#include "scriptapi.h"
#include <iostream>
+#include <list>
extern "C" {
#include <lua.h>
#include <lualib.h>
#include "tooldef.h"
#include "nodedef.h"
#include "craftdef.h"
-
-/*
-TODO:
-- Node definition
-- Random node triggers (like grass growth)
-- Deterministic node triggers (like falling sand)
-- Object visual client-side stuff
- - Blink effect
- - Spritesheets and animation
-- LuaNodeMetadata
- blockdef.metadata_type =
- ""
- "sign"
- "furnace"
- "chest"
- "locked_chest"
- "lua"
- - Stores an inventory and stuff in a Settings object
- meta.inventory_add_list("main")
- blockdef.on_inventory_modified
- meta.set("owner", playername)
- meta.get("owner")
-- Item definition (actually, only CraftItem)
-- (not scripting) Putting items in node metadata (virtual)
-*/
+#include "craftitemdef.h"
+#include "main.h" // For g_settings
+#include "settings.h" // For accessing g_settings
+#include "nodemetadata.h"
+#include "mapblock.h" // For getNodeBlockPos
+#include "content_nodemeta.h"
+#include "utility.h"
static void stackDump(lua_State *L, std::ostream &o)
{
}
};
-static v3f readFloatPos(lua_State *L, int index)
+class ModNameStorer
+{
+private:
+ lua_State *L;
+public:
+ ModNameStorer(lua_State *L_, const std::string modname):
+ L(L_)
+ {
+ // Store current modname in registry
+ lua_pushstring(L, modname.c_str());
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
+ }
+ ~ModNameStorer()
+ {
+ // Clear current modname in registry
+ lua_pushnil(L);
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
+ }
+};
+
+std::string get_current_modname(lua_State *L)
+{
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
+ std::string modname = "";
+ if(lua_type(L, -1) == LUA_TSTRING)
+ modname = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ return modname;
+}
+
+void check_modname_prefix(lua_State *L, std::string &name)
+{
+ if(name.size() == 0)
+ throw LuaError(L, std::string("Name is empty"));
+
+ if(name[0] == ':'){
+ name = name.substr(1);
+ return;
+ }
+
+ std::string modname = get_current_modname(L);
+ assert(modname != "");
+
+ // For __builtin, anything goes
+ if(modname == "__builtin")
+ return;
+
+ if(name.substr(0, modname.size()+1) != modname + ":")
+ throw LuaError(L, std::string("Name \"")+name
+ +"\" does not follow naming conventions: "
+ +"\"modname:\" or \":\" prefix required)");
+
+ std::string subname = name.substr(modname.size()+1);
+ if(!string_allowed(subname, "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"))
+ throw LuaError(L, std::string("Name \"")+name
+ +"\" does not follow naming conventions: "
+ +"\"contains unallowed characters");
+}
+
+static void push_v3f(lua_State *L, v3f p)
+{
+ lua_newtable(L);
+ lua_pushnumber(L, p.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, p.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, p.Z);
+ lua_setfield(L, -2, "z");
+}
+
+static v2s16 read_v2s16(lua_State *L, int index)
+{
+ v2s16 p;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ p.X = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ p.Y = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return p;
+}
+
+static v2f read_v2f(lua_State *L, int index)
+{
+ v2f p;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ p.X = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ p.Y = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return p;
+}
+
+static Server* get_server(lua_State *L)
+{
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ return (Server*)lua_touserdata(L, -1);
+}
+
+static ServerEnvironment* get_env(lua_State *L)
+{
+ // Get environment from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_env");
+ return (ServerEnvironment*)lua_touserdata(L, -1);
+}
+
+static v3f read_v3f(lua_State *L, int index)
{
v3f pos;
luaL_checktype(L, index, LUA_TTABLE);
lua_getfield(L, index, "z");
pos.Z = lua_tonumber(L, -1);
lua_pop(L, 1);
- pos *= BS; // Scale to internal format
return pos;
}
-static void pushpos(lua_State *L, v3s16 p)
+static v3f check_v3f(lua_State *L, int index)
+{
+ v3f pos;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ pos.X = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ pos.Y = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "z");
+ pos.Z = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ return pos;
+}
+
+static void pushFloatPos(lua_State *L, v3f p)
+{
+ p /= BS;
+ push_v3f(L, p);
+}
+
+static v3f checkFloatPos(lua_State *L, int index)
+{
+ return check_v3f(L, index) * BS;
+}
+
+static void push_v3s16(lua_State *L, v3s16 p)
{
lua_newtable(L);
lua_pushnumber(L, p.X);
lua_setfield(L, -2, "z");
}
-static v3s16 readpos(lua_State *L, int index)
+static v3s16 read_v3s16(lua_State *L, int index)
{
// Correct rounding at <0
- v3f pf = readFloatPos(L, index);
- return floatToInt(pf, BS);
+ v3f pf = read_v3f(L, index);
+ return floatToInt(pf, 1.0);
+}
+
+static v3s16 check_v3s16(lua_State *L, int index)
+{
+ // Correct rounding at <0
+ v3f pf = check_v3f(L, index);
+ return floatToInt(pf, 1.0);
}
static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
static MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
{
lua_getfield(L, index, "name");
- const char *name = lua_tostring(L, -1);
+ const char *name = luaL_checkstring(L, -1);
lua_pop(L, 1);
u8 param1;
lua_getfield(L, index, "param1");
return color;
}
+static core::aabbox3d<f32> read_aabbox3df32(lua_State *L, int index, f32 scale)
+{
+ core::aabbox3d<f32> box;
+ if(lua_istable(L, -1)){
+ lua_rawgeti(L, -1, 1);
+ box.MinEdge.X = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 2);
+ box.MinEdge.Y = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 3);
+ box.MinEdge.Z = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 4);
+ box.MaxEdge.X = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 5);
+ box.MaxEdge.Y = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 6);
+ box.MaxEdge.Z = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ }
+ return box;
+}
+
static bool getstringfield(lua_State *L, int table,
const char *fieldname, std::string &result)
{
return got;
}
+static std::string checkstringfield(lua_State *L, int table,
+ const char *fieldname)
+{
+ lua_getfield(L, table, fieldname);
+ std::string s = luaL_checkstring(L, -1);
+ lua_pop(L, 1);
+ return s;
+}
+
static std::string getstringfield_default(lua_State *L, int table,
const char *fieldname, const std::string &default_)
{
return result;
}
+/*static float getfloatfield_default(lua_State *L, int table,
+ const char *fieldname, float default_)
+{
+ float result = default_;
+ getfloatfield(L, table, fieldname, result);
+ return result;
+}*/
+
static bool getboolfield_default(lua_State *L, int table,
const char *fieldname, bool default_)
{
return result;
}
+static void setfloatfield(lua_State *L, int table,
+ const char *fieldname, float value)
+{
+ lua_pushnumber(L, value);
+ if(table < 0)
+ table -= 1;
+ lua_setfield(L, table, fieldname);
+}
+
+static void warn_if_field_exists(lua_State *L, int table,
+ const char *fieldname, const std::string &message)
+{
+ lua_getfield(L, table, fieldname);
+ if(!lua_isnil(L, -1)){
+ infostream<<script_get_backtrace(L)<<std::endl;
+ infostream<<"WARNING: field \""<<fieldname<<"\": "
+ <<message<<std::endl;
+ }
+ lua_pop(L, 1);
+}
+
+/*
+ Inventory stuff
+*/
+
+static void inventory_set_list_from_lua(Inventory *inv, const char *name,
+ lua_State *L, int tableindex, IGameDef *gamedef, int forcesize=-1)
+{
+ if(tableindex < 0)
+ tableindex = lua_gettop(L) + 1 + tableindex;
+ // If nil, delete list
+ if(lua_isnil(L, tableindex)){
+ inv->deleteList(name);
+ return;
+ }
+ // Otherwise set list
+ std::list<std::string> items;
+ luaL_checktype(L, tableindex, LUA_TTABLE);
+ int table = tableindex;
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ std::string itemstring = luaL_checkstring(L, -1);
+ items.push_back(itemstring);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ int listsize = (forcesize != -1) ? forcesize : items.size();
+ InventoryList *invlist = inv->addList(name, listsize);
+ int index = 0;
+ for(std::list<std::string>::const_iterator
+ i = items.begin(); i != items.end(); i++){
+ if(forcesize != -1 && index == forcesize)
+ break;
+ const std::string &itemstring = *i;
+ InventoryItem *newitem = NULL;
+ if(itemstring != "")
+ newitem = InventoryItem::deSerialize(itemstring,
+ gamedef);
+ InventoryItem *olditem = invlist->changeItem(index, newitem);
+ delete olditem;
+ index++;
+ }
+ while(forcesize != -1 && index < forcesize){
+ InventoryItem *olditem = invlist->changeItem(index, NULL);
+ delete olditem;
+ index++;
+ }
+}
+
+static void inventory_get_list_to_lua(Inventory *inv, const char *name,
+ lua_State *L)
+{
+ InventoryList *invlist = inv->getList(name);
+ if(invlist == NULL){
+ lua_pushnil(L);
+ return;
+ }
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ // Create and fill table
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(u32 i=0; i<invlist->getSize(); i++){
+ InventoryItem *item = invlist->getItem(i);
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ if(item == NULL){
+ lua_pushstring(L, "");
+ } else {
+ lua_pushstring(L, item->getItemString().c_str());
+ }
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+}
+
+static void push_stack_item(lua_State *L, InventoryItem *item0)
+{
+ if(item0 == NULL){
+ lua_pushnil(L);
+ }
+ else if(std::string("MaterialItem") == item0->getName()){
+ MaterialItem *item = (MaterialItem*)item0;
+ lua_newtable(L);
+ lua_pushstring(L, "node");
+ lua_setfield(L, -2, "type");
+ lua_pushstring(L, item->getNodeName().c_str());
+ lua_setfield(L, -2, "name");
+ }
+ else if(std::string("CraftItem") == item0->getName()){
+ CraftItem *item = (CraftItem*)item0;
+ lua_newtable(L);
+ lua_pushstring(L, "craft");
+ lua_setfield(L, -2, "type");
+ lua_pushstring(L, item->getSubName().c_str());
+ lua_setfield(L, -2, "name");
+ }
+ else if(std::string("ToolItem") == item0->getName()){
+ ToolItem *item = (ToolItem*)item0;
+ lua_newtable(L);
+ lua_pushstring(L, "tool");
+ lua_setfield(L, -2, "type");
+ lua_pushstring(L, item->getToolName().c_str());
+ lua_setfield(L, -2, "name");
+ lua_pushstring(L, itos(item->getWear()).c_str());
+ lua_setfield(L, -2, "wear");
+ }
+ else{
+ errorstream<<"push_stack_item: Unknown item name: \""
+ <<item0->getName()<<"\""<<std::endl;
+ lua_pushnil(L);
+ }
+}
+
+static InventoryItem* check_stack_item(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+ if(lua_isnil(L, index))
+ return NULL;
+ if(!lua_istable(L, index))
+ throw LuaError(L, "check_stack_item: Item not nil or table");
+ // A very crappy implementation for now
+ // Will be replaced when unified namespace for items is made
+ std::string type = getstringfield_default(L, index, "type", "");
+ std::string name = getstringfield_default(L, index, "name", "");
+ std::string num = getstringfield_default(L, index, "wear", "_");
+ if(num == "_")
+ num = 1;
+ std::string itemstring = type + " \"" + name + "\" " + num;
+ try{
+ return InventoryItem::deSerialize(itemstring, get_server(L));
+ }catch(SerializationError &e){
+ throw LuaError(L, std::string("check_stack_item: "
+ "internal error (itemstring=\"")+itemstring+"\")");
+ }
+}
+
+/*
+ ToolDiggingProperties
+*/
+
+static ToolDiggingProperties read_tool_digging_properties(
+ lua_State *L, int table)
+{
+ ToolDiggingProperties prop;
+ getfloatfield(L, table, "full_punch_interval", prop.full_punch_interval);
+ getfloatfield(L, table, "basetime", prop.basetime);
+ getfloatfield(L, table, "dt_weight", prop.dt_weight);
+ getfloatfield(L, table, "dt_crackiness", prop.dt_crackiness);
+ getfloatfield(L, table, "dt_crumbliness", prop.dt_crumbliness);
+ getfloatfield(L, table, "dt_cuttability", prop.dt_cuttability);
+ getfloatfield(L, table, "basedurability", prop.basedurability);
+ getfloatfield(L, table, "dd_weight", prop.dd_weight);
+ getfloatfield(L, table, "dd_crackiness", prop.dd_crackiness);
+ getfloatfield(L, table, "dd_crumbliness", prop.dd_crumbliness);
+ getfloatfield(L, table, "dd_cuttability", prop.dd_cuttability);
+ return prop;
+}
+
+static void set_tool_digging_properties(lua_State *L, int table,
+ const ToolDiggingProperties &prop)
+{
+ setfloatfield(L, table, "full_punch_interval", prop.full_punch_interval);
+ setfloatfield(L, table, "basetime", prop.basetime);
+ setfloatfield(L, table, "dt_weight", prop.dt_weight);
+ setfloatfield(L, table, "dt_crackiness", prop.dt_crackiness);
+ setfloatfield(L, table, "dt_crumbliness", prop.dt_crumbliness);
+ setfloatfield(L, table, "dt_cuttability", prop.dt_cuttability);
+ setfloatfield(L, table, "basedurability", prop.basedurability);
+ setfloatfield(L, table, "dd_weight", prop.dd_weight);
+ setfloatfield(L, table, "dd_crackiness", prop.dd_crackiness);
+ setfloatfield(L, table, "dd_crumbliness", prop.dd_crumbliness);
+ setfloatfield(L, table, "dd_cuttability", prop.dd_cuttability);
+}
+
+static void push_tool_digging_properties(lua_State *L,
+ const ToolDiggingProperties &prop)
+{
+ lua_newtable(L);
+ set_tool_digging_properties(L, -1, prop);
+}
+
+/*
+ ToolDefinition
+*/
+
+static ToolDefinition read_tool_definition(lua_State *L, int table)
+{
+ ToolDefinition def;
+ getstringfield(L, table, "image", def.imagename);
+ def.properties = read_tool_digging_properties(L, table);
+ return def;
+}
+
+static void push_tool_definition(lua_State *L, const ToolDefinition &def)
+{
+ lua_newtable(L);
+ lua_pushstring(L, def.imagename.c_str());
+ lua_setfield(L, -2, "image");
+ set_tool_digging_properties(L, -1, def.properties);
+}
+
+/*
+ EnumString definitions
+*/
+
struct EnumString es_DrawType[] =
{
{NDT_NORMAL, "normal"},
{CPT_LIGHT, "light"},
{CPT_MINERAL, "mineral"},
{CPT_FACEDIR_SIMPLE, "facedir_simple"},
+ {0, NULL},
+};
+
+struct EnumString es_LiquidType[] =
+{
+ {LIQUID_NONE, "none"},
+ {LIQUID_FLOWING, "flowing"},
+ {LIQUID_SOURCE, "source"},
+ {0, NULL},
+};
+
+struct EnumString es_NodeBoxType[] =
+{
+ {NODEBOX_REGULAR, "regular"},
+ {NODEBOX_FIXED, "fixed"},
+ {NODEBOX_WALLMOUNTED, "wallmounted"},
+ {0, NULL},
+};
+
+struct EnumString es_Diggability[] =
+{
+ {DIGGABLE_NOT, "not"},
+ {DIGGABLE_NORMAL, "normal"},
+ {DIGGABLE_CONSTANT, "constant"},
+ {0, NULL},
};
/*
- Global functions
+ Getters for stuff in main tables
*/
-// Register new object prototype
-// register_entity(name, prototype)
-static int l_register_entity(lua_State *L)
+static void objectref_get(lua_State *L, u16 id)
{
- const char *name = luaL_checkstring(L, 1);
- infostream<<"register_entity: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
+ // Get minetest.object_refs[i]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "object_refs");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushnumber(L, id);
+ lua_gettable(L, -2);
+ lua_remove(L, -2); // object_refs
+ lua_remove(L, -2); // minetest
+}
- // Get minetest.registered_entities
+static void luaentity_get(lua_State *L, u16 id)
+{
+ // Get minetest.luaentities[i]
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_entities");
+ lua_getfield(L, -1, "luaentities");
luaL_checktype(L, -1, LUA_TTABLE);
- int registered_entities = lua_gettop(L);
- lua_pushvalue(L, 2); // Object = param 2 -> stack top
- // registered_entities[name] = object
- lua_setfield(L, registered_entities, name);
-
- // Get registered object to top of stack
- lua_pushvalue(L, 2);
-
- // Set __index to point to itself
- lua_pushvalue(L, -1);
- lua_setfield(L, -2, "__index");
+ lua_pushnumber(L, id);
+ lua_gettable(L, -2);
+ lua_remove(L, -2); // luaentities
+ lua_remove(L, -2); // minetest
+}
- // Set metatable.__index = metatable
- luaL_getmetatable(L, "minetest.entity");
- lua_pushvalue(L, -1); // duplicate metatable
- lua_setfield(L, -2, "__index");
- // Set object metatable
- lua_setmetatable(L, -2);
+/*
+ Object wrappers
+*/
- return 0; /* number of results */
-}
+#define method(class, name) {#name, class::l_##name}
-// register_tool(name, {lots of stuff})
-static int l_register_tool(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- infostream<<"register_tool: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
- int table = 2;
-
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- // And get the writable tool definition manager from the server
- IWritableToolDefManager *tooldef =
- server->getWritableToolDefManager();
-
- ToolDefinition def;
-
- getstringfield(L, table, "image", def.imagename);
- getfloatfield(L, table, "basetime", def.properties.basetime);
- getfloatfield(L, table, "dt_weight", def.properties.dt_weight);
- getfloatfield(L, table, "dt_crackiness", def.properties.dt_crackiness);
- getfloatfield(L, table, "dt_crumbliness", def.properties.dt_crumbliness);
- getfloatfield(L, table, "dt_cuttability", def.properties.dt_cuttability);
- getfloatfield(L, table, "basedurability", def.properties.basedurability);
- getfloatfield(L, table, "dd_weight", def.properties.dd_weight);
- getfloatfield(L, table, "dd_crackiness", def.properties.dd_crackiness);
- getfloatfield(L, table, "dd_crumbliness", def.properties.dd_crumbliness);
- getfloatfield(L, table, "dd_cuttability", def.properties.dd_cuttability);
-
- tooldef->registerTool(name, def);
- return 0; /* number of results */
-}
+/*
+ ItemStack
+*/
-// register_node(name, {lots of stuff})
-static int l_register_node(lua_State *L)
+class ItemStack
{
- const char *name = luaL_checkstring(L, 1);
- infostream<<"register_node: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
- int table0 = 2;
-
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- // And get the writable node definition manager from the server
- IWritableNodeDefManager *nodedef =
- server->getWritableNodeDefManager();
-
- ContentFeatures f;
+private:
+ InventoryItem *m_stack;
- f.name = name;
+ static const char className[];
+ static const luaL_reg methods[];
- /*
- Visual definition
- */
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L) {
+ ItemStack *o = *(ItemStack **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
- f.drawtype = (NodeDrawType)getenumfield(L, table0, "drawtype", es_DrawType,
- f.drawtype);
- getfloatfield(L, table0, "visual_scale", f.visual_scale);
+ // peek_item(self)
+ static int l_peek_item(lua_State *L)
+ {
+ ItemStack *o = checkobject(L, 1);
+ push_stack_item(L, o->m_stack);
+ return 1;
+ }
- lua_getfield(L, table0, "tile_images");
- if(lua_istable(L, -1)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- int i = 0;
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- if(lua_isstring(L, -1))
- f.tname_tiles[i] = lua_tostring(L, -1);
- else
- f.tname_tiles[i] = "";
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- i++;
- if(i==6){
- lua_pop(L, 1);
- break;
- }
+ // take_item(self)
+ static int l_take_item(lua_State *L)
+ {
+ ItemStack *o = checkobject(L, 1);
+ push_stack_item(L, o->m_stack);
+ if(o->m_stack->getCount() <= 1){
+ delete o->m_stack;
+ o->m_stack = NULL;
+ } else {
+ o->m_stack->remove(1);
}
+ return 1;
}
- lua_pop(L, 1);
- getstringfield(L, table0, "inventory_image", f.tname_inventory);
+ // put_item(self, item) -> true/false
+ static int l_put_item(lua_State *L)
+ {
+ ItemStack *o = checkobject(L, 1);
+ InventoryItem *item = check_stack_item(L, 2);
+ if(!item){ // nil can always be inserted
+ lua_pushboolean(L, true);
+ return 1;
+ }
+ if(!item->addableTo(o->m_stack)){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ o->m_stack->add(1);
+ delete item;
+ lua_pushboolean(L, true);
+ return 1;
+ }
- lua_getfield(L, table0, "special_materials");
- if(lua_istable(L, -1)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- int i = 0;
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- int smtable = lua_gettop(L);
- std::string tname = getstringfield_default(
- L, smtable, "image", "");
- bool backface_culling = getboolfield_default(
- L, smtable, "backface_culling", true);
- MaterialSpec mspec(tname, backface_culling);
- f.setSpecialMaterial(i, mspec);
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- i++;
- if(i==6){
- lua_pop(L, 1);
- break;
+ // put_stackstring(self, stackstring) -> true/false
+ static int l_put_stackstring(lua_State *L)
+ {
+ ItemStack *o = checkobject(L, 1);
+ std::string stackstring = luaL_checkstring(L, 2);
+ try{
+ InventoryItem *item = InventoryItem::deSerialize(stackstring,
+ get_server(L));
+ if(!item->addableTo(o->m_stack)){
+ lua_pushboolean(L, false);
+ return 1;
}
+ o->m_stack->add(1);
+ delete item;
+ lua_pushboolean(L, true);
+ return 1;
+ }
+ catch(SerializationError &e){
+ lua_pushboolean(L, false);
+ return 1;
}
}
- lua_pop(L, 1);
-
- f.alpha = getintfield_default(L, table0, "alpha", 255);
-
- /*
- Other stuff
- */
-
- lua_getfield(L, table0, "post_effect_color");
- if(!lua_isnil(L, -1))
- f.post_effect_color = readARGB8(L, -1);
-
- f.param_type = (ContentParamType)getenumfield(L, table0, "paramtype",
- es_ContentParamType, f.param_type);
-
- // True for all ground-like things like stone and mud, false for eg. trees
- getboolfield(L, table0, "is_ground_content", f.is_ground_content);
- getboolfield(L, table0, "light_propagates", f.light_propagates);
- getboolfield(L, table0, "sunlight_propagates", f.sunlight_propagates);
- // This is used for collision detection.
- // Also for general solidness queries.
- getboolfield(L, table0, "walkable", f.walkable);
- // Player can point to these
- getboolfield(L, table0, "pointable", f.pointable);
- // Player can dig these
- getboolfield(L, table0, "diggable", f.diggable);
- // Player can climb these
- getboolfield(L, table0, "climbable", f.climbable);
- // Player can build on these
- getboolfield(L, table0, "buildable_to", f.buildable_to);
- // If true, param2 is set to direction when placed. Used for torches.
- // NOTE: the direction format is quite inefficient and should be changed
- getboolfield(L, table0, "wall_mounted", f.wall_mounted);
- // If true, node is equivalent to air. Torches are, air is. Water is not.
- // Is used for example to check whether a mud block can have grass on.
- getboolfield(L, table0, "air_equivalent", f.air_equivalent);
- // Whether this content type often contains mineral.
- // Used for texture atlas creation.
- // Currently only enabled for CONTENT_STONE.
- getboolfield(L, table0, "often_contains_mineral", f.often_contains_mineral);
- // Inventory item string as which the node appears in inventory when dug.
- // Mineral overrides this.
- getstringfield(L, table0, "dug_item", f.dug_item);
- // Extra dug item and its rarity
- getstringfield(L, table0, "extra_dug_item", f.extra_dug_item);
- // Usual get interval for extra dug item
- getintfield(L, table0, "extra_dug_item_rarity", f.extra_dug_item_rarity);
- // Initial metadata is cloned from this
- // TODO: As metadata name
- // NodeMetadata *initial_metadata;
- // Whether the node is non-liquid, source liquid or flowing liquid
- // TODO: Enum read
- // enum LiquidType liquid_type;
- // If the content is liquid, this is the flowing version of the liquid.
- // TODO: as name
- // content_t liquid_alternative_flowing;
- // If the content is liquid, this is the source version of the liquid.
- // TODO: as name
- // content_t liquid_alternative_source;
- // Viscosity for fluid flow, ranging from 1 to 7, with
- // 1 giving almost instantaneous propagation and 7 being
- // the slowest possible
- f.liquid_viscosity = getintfield_default(L, table0,
- "liquid_viscosity", f.liquid_viscosity);
- // Amount of light the node emits
- f.light_source = getintfield_default(L, table0,
- "light_source", f.light_source);
- f.damage_per_second = getintfield_default(L, table0,
- "damage_per_second", f.damage_per_second);
- // TODO
- //NodeBox selection_box;
- // TODO
- //MaterialProperties material;
- getstringfield(L, table0, "cookresult_item", f.cookresult_item);
- getfloatfield(L, table0, "furnace_cooktime", f.furnace_cooktime);
- getfloatfield(L, table0, "furnace_burntime", f.furnace_burntime);
-
- /*
- Temporary stuff
- */
- // TODO: Replace with actual parameter reading
- // Temporarily set some sane parameters to allow digging
- f.material.diggability = DIGGABLE_NORMAL;
- f.material.weight = 0;
- f.material.crackiness = 0;
- f.material.crumbliness = 0;
- f.material.cuttability = 0;
- f.dug_item = std::string("NodeItem \"")+name+"\" 1";
+public:
+ ItemStack(InventoryItem *item=NULL):
+ m_stack(item)
+ {
+ }
- /*
- Register it
- */
- nodedef->set(name, f);
-
- return 0; /* number of results */
-}
+ ~ItemStack()
+ {
+ delete m_stack;
+ }
-// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
-static int l_register_craft(lua_State *L)
-{
- infostream<<"register_craft"<<std::endl;
- luaL_checktype(L, 1, LUA_TTABLE);
- int table0 = 1;
+ static ItemStack* checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(ItemStack**)ud; // unbox pointer
+ }
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- // And get the writable craft definition manager from the server
- IWritableCraftDefManager *craftdef =
- server->getWritableCraftDefManager();
+ InventoryItem* getItemCopy()
+ {
+ if(!m_stack)
+ return NULL;
+ return m_stack->clone();
+ }
- std::string output;
- int width = 0;
- std::vector<std::string> input;
-
- lua_getfield(L, table0, "output");
- luaL_checktype(L, -1, LUA_TSTRING);
- if(lua_isstring(L, -1))
- output = lua_tostring(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table0, "recipe");
- luaL_checktype(L, -1, LUA_TTABLE);
- if(lua_istable(L, -1)){
- int table1 = lua_gettop(L);
- lua_pushnil(L);
- int rowcount = 0;
- while(lua_next(L, table1) != 0){
- int colcount = 0;
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TTABLE);
- if(lua_istable(L, -1)){
- int table2 = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table2) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TSTRING);
- input.push_back(lua_tostring(L, -1));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- colcount++;
- }
- }
- if(rowcount == 0){
- width = colcount;
- } else {
- if(colcount != width){
- script_error(L, "error: %s\n", "Invalid crafting recipe");
+ // Creates an ItemStack and leaves it on top of stack
+ static int create_object(lua_State *L)
+ {
+ InventoryItem *item = NULL;
+ if(lua_isstring(L, 1)){
+ std::string itemstring = lua_tostring(L, 1);
+ if(itemstring != ""){
+ try{
+ IGameDef *gdef = get_server(L);
+ item = InventoryItem::deSerialize(itemstring, gdef);
+ }catch(SerializationError &e){
}
}
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- rowcount++;
}
+ ItemStack *o = new ItemStack(item);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+ // Not callable from Lua
+ static int create(lua_State *L, InventoryItem *item)
+ {
+ ItemStack *o = new ItemStack(item);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
}
- lua_pop(L, 1);
- CraftDefinition def(output, width, input);
- craftdef->registerCraft(def);
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
- return 0; /* number of results */
-}
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
-static int register_lua_callback(lua_State *L, const char *tablename)
-{
- luaL_checktype(L, 1, LUA_TFUNCTION);
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- // Get minetest.registered_globalsteps
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, tablename);
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered = lua_gettop(L);
- // table.insert(registered_globalsteps, func)
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, registered);
- lua_pushvalue(L, 1); // push function from argument 1
- // Call insert
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
- return 0; /* number of results */
-}
+ lua_pop(L, 1); // drop metatable
-// Register a global step function
-// register_globalstep(function)
-static int l_register_globalstep(lua_State *L)
-{
- infostream<<"register_globalstep"<<std::endl;
- return register_lua_callback(L, "registered_globalsteps");
-}
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
-// register_on_placenode(function)
-static int l_register_on_placenode(lua_State *L)
-{
- infostream<<"register_on_placenode"<<std::endl;
- return register_lua_callback(L, "registered_on_placenodes");
-}
-
-// register_on_dignode(function)
-static int l_register_on_dignode(lua_State *L)
-{
- infostream<<"register_on_dignode"<<std::endl;
- return register_lua_callback(L, "registered_on_dignodes");
-}
-
-// register_on_punchnode(function)
-static int l_register_on_punchnode(lua_State *L)
-{
- infostream<<"register_on_punchnode"<<std::endl;
- return register_lua_callback(L, "registered_on_punchnodes");
-}
-
-static const struct luaL_Reg minetest_f [] = {
- {"register_entity", l_register_entity},
- {"register_tool", l_register_tool},
- {"register_node", l_register_node},
- {"register_craft", l_register_craft},
- {"register_globalstep", l_register_globalstep},
- {"register_on_placenode", l_register_on_placenode},
- {"register_on_dignode", l_register_on_dignode},
- {"register_on_punchnode", l_register_on_punchnode},
- {NULL, NULL}
-};
-
-/*
- LuaEntity functions
-*/
-
-static const struct luaL_Reg minetest_entity_m [] = {
- {NULL, NULL}
-};
-
-/*
- Getters for stuff in main tables
-*/
-
-static void objectref_get(lua_State *L, u16 id)
-{
- // Get minetest.object_refs[i]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "object_refs");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushnumber(L, id);
- lua_gettable(L, -2);
- lua_remove(L, -2); // object_refs
- lua_remove(L, -2); // minetest
-}
-
-static void luaentity_get(lua_State *L, u16 id)
-{
- // Get minetest.luaentities[i]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "luaentities");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushnumber(L, id);
- lua_gettable(L, -2);
- lua_remove(L, -2); // luaentities
- lua_remove(L, -2); // minetest
-}
+ // Can be created from Lua (ItemStack::create(itemstring))
+ lua_register(L, className, create_object);
+ }
+};
+const char ItemStack::className[] = "ItemStack";
+const luaL_reg ItemStack::methods[] = {
+ method(ItemStack, peek_item),
+ method(ItemStack, take_item),
+ method(ItemStack, put_item),
+ method(ItemStack, put_stackstring),
+ {0,0}
+};
/*
- Reference objects
+ InvRef
*/
-#define method(class, name) {#name, class::l_##name}
-class EnvRef
+class InvRef
{
private:
- ServerEnvironment *m_env;
+ InventoryLocation m_loc;
static const char className[];
static const luaL_reg methods[];
- static EnvRef *checkobject(lua_State *L, int narg)
+ static InvRef *checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if(!ud) luaL_typerror(L, narg, className);
- return *(EnvRef**)ud; // unbox pointer
+ return *(InvRef**)ud; // unbox pointer
+ }
+
+ static Inventory* getinv(lua_State *L, InvRef *ref)
+ {
+ return get_server(L)->getInventory(ref->m_loc);
+ }
+
+ static InventoryList* getlist(lua_State *L, InvRef *ref,
+ const char *listname)
+ {
+ Inventory *inv = getinv(L, ref);
+ if(!inv)
+ return NULL;
+ return inv->getList(listname);
+ }
+
+ static InventoryItem* getitem(lua_State *L, InvRef *ref,
+ const char *listname, int i)
+ {
+ InventoryList *list = getlist(L, ref, listname);
+ if(!list)
+ return NULL;
+ return list->getItem(i);
+ }
+
+ static void reportInventoryChange(lua_State *L, InvRef *ref)
+ {
+ // Inform other things that the inventory has changed
+ get_server(L)->setInventoryModified(ref->m_loc);
}
// Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L) {
+ InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
- // EnvRef:add_node(pos, node)
- // pos = {x=num, y=num, z=num}
- static int l_add_node(lua_State *L)
+ // get_size(self, listname)
+ static int l_get_size(lua_State *L)
{
- infostream<<"EnvRef::l_add_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = readpos(L, 2);
- // content
- MapNode n = readnode(L, 3, env->getGameDef()->ndef());
- // Do it
- bool succeeded = env->getMap().addNodeWithEvent(pos, n);
- lua_pushboolean(L, succeeded);
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushinteger(L, list->getSize());
+ } else {
+ lua_pushinteger(L, 0);
+ }
return 1;
}
- // EnvRef:remove_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_remove_node(lua_State *L)
+ // set_size(self, listname, size)
+ static int l_set_size(lua_State *L)
{
- infostream<<"EnvRef::l_remove_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = readpos(L, 2);
- // Do it
- bool succeeded = env->getMap().removeNodeWithEvent(pos);
- lua_pushboolean(L, succeeded);
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int newsize = luaL_checknumber(L, 3);
+ Inventory *inv = getinv(L, ref);
+ if(newsize == 0){
+ inv->deleteList(listname);
+ reportInventoryChange(L, ref);
+ return 0;
+ }
+ InventoryList *list = inv->getList(listname);
+ if(list){
+ list->setSize(newsize);
+ } else {
+ list = inv->addList(listname, newsize);
+ }
+ reportInventoryChange(L, ref);
+ return 0;
+ }
+
+ // get_stack(self, listname, i)
+ static int l_get_stack(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3) - 1;
+ InventoryItem *item = getitem(L, ref, listname, i);
+ if(!item){
+ ItemStack::create(L, NULL);
+ return 1;
+ }
+ ItemStack::create(L, item->clone());
return 1;
}
- // EnvRef:get_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_get_node(lua_State *L)
+ // set_stack(self, listname, i, stack)
+ static int l_set_stack(lua_State *L)
{
- infostream<<"EnvRef::l_get_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = readpos(L, 2);
- // Do it
- MapNode n = env->getMap().getNodeNoEx(pos);
- // Return node
- pushnode(L, n, env->getGameDef()->ndef());
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3) - 1;
+ ItemStack *stack = ItemStack::checkobject(L, 4);
+ InventoryList *list = getlist(L, ref, listname);
+ if(!list){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ InventoryItem *newitem = stack->getItemCopy();
+ InventoryItem *olditem = list->changeItem(i, newitem);
+ bool success = (olditem != newitem);
+ delete olditem;
+ lua_pushboolean(L, success);
+ reportInventoryChange(L, ref);
return 1;
}
- // EnvRef:add_luaentity(pos, entityname)
- // pos = {x=num, y=num, z=num}
- static int l_add_luaentity(lua_State *L)
+ // get_list(self, listname) -> list or nil
+ static int l_get_list(lua_State *L)
{
- infostream<<"EnvRef::l_add_luaentity()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // content
- const char *name = lua_tostring(L, 3);
- // Do it
- ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
- env->addActiveObject(obj);
- return 0;
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ Inventory *inv = getinv(L, ref);
+ inventory_get_list_to_lua(inv, listname, L);
+ return 1;
}
- static int gc_object(lua_State *L) {
- EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
- delete o;
+ // set_list(self, listname, list)
+ static int l_set_list(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ Inventory *inv = getinv(L, ref);
+ InventoryList *list = inv->getList(listname);
+ if(list)
+ inventory_set_list_from_lua(inv, listname, L, 3,
+ get_server(L), list->getSize());
+ else
+ inventory_set_list_from_lua(inv, listname, L, 3,
+ get_server(L));
+ reportInventoryChange(L, ref);
return 0;
}
+ // autoinsert_stack(self, listname, stack)
+ static int l_autoinsert_stack(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack *stack = ItemStack::checkobject(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(!list){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ InventoryItem *item = stack->getItemCopy();
+ if(list->roomForItem(item)){
+ delete list->addItem(item);
+ lua_pushboolean(L, true);
+ reportInventoryChange(L, ref);
+ } else {
+ delete item;
+ lua_pushboolean(L, false);
+ }
+ return 1;
+ }
+
+ // autoinsert_stackstring(self, listname, stackstring)
+ static int l_autoinsert_stackstring(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ const char *stackstring = luaL_checkstring(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(!list){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ InventoryItem *item = InventoryItem::deSerialize(stackstring,
+ get_server(L));
+ if(list->roomForItem(item)){
+ delete list->addItem(item);
+ lua_pushboolean(L, true);
+ reportInventoryChange(L, ref);
+ } else {
+ delete item;
+ lua_pushboolean(L, false);
+ }
+ return 1;
+ }
+
public:
- EnvRef(ServerEnvironment *env):
- m_env(env)
+ InvRef(const InventoryLocation &loc):
+ m_loc(loc)
{
- infostream<<"EnvRef created"<<std::endl;
}
- ~EnvRef()
+ ~InvRef()
{
- infostream<<"EnvRef destructing"<<std::endl;
}
- // Creates an EnvRef and leaves it on top of stack
+ // Creates an InvRef and leaves it on top of stack
// Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, ServerEnvironment *env)
+ static void create(lua_State *L, const InventoryLocation &loc)
{
- EnvRef *o = new EnvRef(env);
- //infostream<<"EnvRef::create: o="<<o<<std::endl;
+ InvRef *o = new InvRef(loc);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
}
-
- static void set_null(lua_State *L)
+ static void createPlayer(lua_State *L, Player *player)
{
- EnvRef *o = checkobject(L, -1);
- o->m_env = NULL;
+ InventoryLocation loc;
+ loc.setPlayer(player->getName());
+ create(L, loc);
}
-
+ static void createNodeMeta(lua_State *L, v3s16 p)
+ {
+ InventoryLocation loc;
+ loc.setNodeMeta(p);
+ create(L, loc);
+ }
+
static void Register(lua_State *L)
{
lua_newtable(L);
//lua_register(L, className, create_object);
}
};
-const char EnvRef::className[] = "EnvRef";
-const luaL_reg EnvRef::methods[] = {
- method(EnvRef, add_node),
- method(EnvRef, remove_node),
- method(EnvRef, get_node),
- method(EnvRef, add_luaentity),
+const char InvRef::className[] = "InvRef";
+const luaL_reg InvRef::methods[] = {
+ method(InvRef, get_size),
+ method(InvRef, set_size),
+ method(InvRef, get_stack),
+ method(InvRef, set_stack),
+ method(InvRef, get_list),
+ method(InvRef, set_list),
+ method(InvRef, autoinsert_stack),
+ method(InvRef, autoinsert_stackstring),
{0,0}
};
-class ObjectRef
+/*
+ NodeMetaRef
+*/
+
+class NodeMetaRef
{
private:
- ServerActiveObject *m_object;
+ v3s16 m_p;
+ ServerEnvironment *m_env;
static const char className[];
static const luaL_reg methods[];
- static ObjectRef *checkobject(lua_State *L, int narg)
+ static NodeMetaRef *checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if(!ud) luaL_typerror(L, narg, className);
- return *(ObjectRef**)ud; // unbox pointer
+ return *(NodeMetaRef**)ud; // unbox pointer
}
- static ServerActiveObject* getobject(ObjectRef *ref)
+ static NodeMetadata* getmeta(NodeMetaRef *ref)
{
- ServerActiveObject *co = ref->m_object;
- return co;
+ NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
+ return meta;
}
-
- static LuaEntitySAO* getluaobject(ObjectRef *ref)
+
+ /*static IGenericNodeMetadata* getgenericmeta(NodeMetaRef *ref)
{
- ServerActiveObject *obj = getobject(ref);
- if(obj == NULL)
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL)
return NULL;
- if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
+ if(meta->typeId() != NODEMETA_GENERIC)
return NULL;
- return (LuaEntitySAO*)obj;
+ return (IGenericNodeMetadata*)meta;
+ }*/
+
+ static void reportMetadataChange(NodeMetaRef *ref)
+ {
+ // Inform other things that the metadata has changed
+ v3s16 blockpos = getNodeBlockPos(ref->m_p);
+ MapEditEvent event;
+ event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
+ event.p = blockpos;
+ ref->m_env->getMap().dispatchEvent(&event);
+ // Set the block to be saved
+ MapBlock *block = ref->m_env->getMap().getBlockNoCreateNoEx(blockpos);
+ if(block)
+ block->raiseModified(MOD_STATE_WRITE_NEEDED,
+ "NodeMetaRef::reportMetadataChange");
}
// Exported functions
// garbage collector
static int gc_object(lua_State *L) {
- ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
- //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
+ NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
delete o;
return 0;
}
- // remove(self)
- static int l_remove(lua_State *L)
+ // get_type(self)
+ static int l_get_type(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- infostream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
- co->m_removed = true;
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // Do it
+ lua_pushstring(L, meta->typeName());
+ return 1;
+ }
+
+ // allows_text_input(self)
+ static int l_allows_text_input(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ lua_pushboolean(L, meta->allowsTextInput());
+ return 1;
+ }
+
+ // set_text(self, text)
+ static int l_set_text(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string text = luaL_checkstring(L, 2);
+ meta->setText(text);
+ reportMetadataChange(ref);
return 0;
}
-
- // getpos(self)
- // returns: {x=num, y=num, z=num}
- static int l_getpos(lua_State *L)
+
+ // get_text(self)
+ static int l_get_text(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- v3f pos = co->getBasePosition() / BS;
- lua_newtable(L);
- lua_pushnumber(L, pos.X);
- lua_setfield(L, -2, "x");
- lua_pushnumber(L, pos.Y);
- lua_setfield(L, -2, "y");
- lua_pushnumber(L, pos.Z);
- lua_setfield(L, -2, "z");
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string text = meta->getText();
+ lua_pushstring(L, text.c_str());
+ return 1;
+ }
+
+ // get_owner(self)
+ static int l_get_owner(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string owner = meta->getOwner();
+ lua_pushstring(L, owner.c_str());
return 1;
}
+
+ /* IGenericNodeMetadata interface */
- // setpos(self, pos)
- static int l_setpos(lua_State *L)
+ // set_infotext(self, text)
+ static int l_set_infotext(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- //LuaEntitySAO *co = getluaobject(ref);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
// Do it
- co->setPos(pos);
+ std::string text = luaL_checkstring(L, 2);
+ meta->setInfoText(text);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // get_inventory(self)
+ static int l_get_inventory(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ InvRef::createNodeMeta(L, ref->m_p);
+ return 1;
+ }
+
+ // deprecated: inventory_set_list(self, name, {item1, item2, ...})
+ static int l_inventory_set_list(lua_State *L)
+ {
+ infostream<<"Deprecated: inventory_set_list"<<std::endl;
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ Inventory *inv = meta->getInventory();
+ const char *name = luaL_checkstring(L, 2);
+ inventory_set_list_from_lua(inv, name, L, 3,
+ ref->m_env->getGameDef());
+ reportMetadataChange(ref);
return 0;
}
+
+ // deprecated: inventory_get_list(self, name)
+ static int l_inventory_get_list(lua_State *L)
+ {
+ infostream<<"Deprecated: inventory_get_list"<<std::endl;
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ Inventory *inv = meta->getInventory();
+ const char *name = luaL_checkstring(L, 2);
+ inventory_get_list_to_lua(inv, name, L);
+ return 1;
+ }
+
+ // set_inventory_draw_spec(self, text)
+ static int l_set_inventory_draw_spec(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string text = luaL_checkstring(L, 2);
+ meta->setInventoryDrawSpec(text);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // set_allow_text_input(self, text)
+ static int l_set_allow_text_input(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ bool b = lua_toboolean(L, 2);
+ meta->setAllowTextInput(b);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // set_allow_removal(self, text)
+ static int l_set_allow_removal(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ bool b = lua_toboolean(L, 2);
+ meta->setRemovalDisabled(!b);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // set_enforce_owner(self, text)
+ static int l_set_enforce_owner(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ bool b = lua_toboolean(L, 2);
+ meta->setEnforceOwner(b);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // is_inventory_modified(self)
+ static int l_is_inventory_modified(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ lua_pushboolean(L, meta->isInventoryModified());
+ return 1;
+ }
+
+ // reset_inventory_modified(self)
+ static int l_reset_inventory_modified(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ meta->resetInventoryModified();
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // is_text_modified(self)
+ static int l_is_text_modified(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ lua_pushboolean(L, meta->isTextModified());
+ return 1;
+ }
+
+ // reset_text_modified(self)
+ static int l_reset_text_modified(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ meta->resetTextModified();
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // set_string(self, name, var)
+ static int l_set_string(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string name = luaL_checkstring(L, 2);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 3, &len);
+ std::string str(s, len);
+ meta->setString(name, str);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // get_string(self, name)
+ static int l_get_string(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string name = luaL_checkstring(L, 2);
+ std::string str = meta->getString(name);
+ lua_pushlstring(L, str.c_str(), str.size());
+ return 1;
+ }
+
+public:
+ NodeMetaRef(v3s16 p, ServerEnvironment *env):
+ m_p(p),
+ m_env(env)
+ {
+ }
+
+ ~NodeMetaRef()
+ {
+ }
+
+ // Creates an NodeMetaRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, v3s16 p, ServerEnvironment *env)
+ {
+ NodeMetaRef *o = new NodeMetaRef(p, env);
+ //infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ }
+
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+ }
+};
+const char NodeMetaRef::className[] = "NodeMetaRef";
+const luaL_reg NodeMetaRef::methods[] = {
+ method(NodeMetaRef, get_type),
+ method(NodeMetaRef, allows_text_input),
+ method(NodeMetaRef, set_text),
+ method(NodeMetaRef, get_text),
+ method(NodeMetaRef, get_owner),
+ method(NodeMetaRef, set_infotext),
+ method(NodeMetaRef, get_inventory),
+ method(NodeMetaRef, inventory_set_list), // deprecated
+ method(NodeMetaRef, inventory_get_list), // deprecated
+ method(NodeMetaRef, set_inventory_draw_spec),
+ method(NodeMetaRef, set_allow_text_input),
+ method(NodeMetaRef, set_allow_removal),
+ method(NodeMetaRef, set_enforce_owner),
+ method(NodeMetaRef, is_inventory_modified),
+ method(NodeMetaRef, reset_inventory_modified),
+ method(NodeMetaRef, is_text_modified),
+ method(NodeMetaRef, reset_text_modified),
+ method(NodeMetaRef, set_string),
+ method(NodeMetaRef, get_string),
+ {0,0}
+};
+
+/*
+ ObjectRef
+*/
+
+class ObjectRef
+{
+private:
+ ServerActiveObject *m_object;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static ObjectRef *checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(ObjectRef**)ud; // unbox pointer
+ }
+
+ static ServerActiveObject* getobject(ObjectRef *ref)
+ {
+ ServerActiveObject *co = ref->m_object;
+ return co;
+ }
+
+ static LuaEntitySAO* getluaobject(ObjectRef *ref)
+ {
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
+ return NULL;
+ return (LuaEntitySAO*)obj;
+ }
+
+ static ServerRemotePlayer* getplayer(ObjectRef *ref)
+ {
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
+ return NULL;
+ return static_cast<ServerRemotePlayer*>(obj);
+ }
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L) {
+ ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
+ //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
+ delete o;
+ return 0;
+ }
+
+ // remove(self)
+ static int l_remove(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ infostream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
+ co->m_removed = true;
+ return 0;
+ }
+
+ // getpos(self)
+ // returns: {x=num, y=num, z=num}
+ static int l_getpos(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ v3f pos = co->getBasePosition() / BS;
+ lua_newtable(L);
+ lua_pushnumber(L, pos.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, pos.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, pos.Z);
+ lua_setfield(L, -2, "z");
+ return 1;
+ }
+
+ // setpos(self, pos)
+ static int l_setpos(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setPos(pos);
+ return 0;
+ }
+
+ // moveto(self, pos, continuous=false)
+ static int l_moveto(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // continuous
+ bool continuous = lua_toboolean(L, 3);
+ // Do it
+ co->moveTo(pos, continuous);
+ return 0;
+ }
+
+ // punch(self, puncher); puncher = an another ObjectRef
+ static int l_punch(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *ref2 = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *co2 = getobject(ref2);
+ if(co == NULL) return 0;
+ if(co2 == NULL) return 0;
+ // Do it
+ co->punch(co2);
+ return 0;
+ }
+
+ // right_click(self, clicker); clicker = an another ObjectRef
+ static int l_right_click(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *ref2 = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *co2 = getobject(ref2);
+ if(co == NULL) return 0;
+ if(co2 == NULL) return 0;
+ // Do it
+ co->rightClick(co2);
+ return 0;
+ }
+
+ // get_wield_digging_properties(self)
+ static int l_get_wield_digging_properties(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ ToolDiggingProperties prop;
+ co->getWieldDiggingProperties(&prop);
+ push_tool_digging_properties(L, prop);
+ return 1;
+ }
+
+ // damage_wielded_item(self, amount)
+ static int l_damage_wielded_item(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ int amount = lua_tonumber(L, 2);
+ co->damageWieldedItem(amount);
+ return 0;
+ }
+
+ // add_to_inventory(self, itemstring)
+ // returns: true if item was added, (false, "reason") otherwise
+ static int l_add_to_inventory(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ luaL_checkstring(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // itemstring
+ const char *itemstring = luaL_checkstring(L, 2);
+ infostream<<"ObjectRef::l_add_to_inventory(): id="<<co->getId()
+ <<" itemstring=\""<<itemstring<<"\""<<std::endl;
+ // Do it
+ std::istringstream is(itemstring, std::ios::binary);
+ ServerEnvironment *env = co->getEnv();
+ assert(env);
+ IGameDef *gamedef = env->getGameDef();
+ try{
+ InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
+ if(item->getCount() == 0)
+ item->setCount(1);
+ bool added = co->addToInventory(item);
+ // Return
+ lua_pushboolean(L, added);
+ if(!added)
+ lua_pushstring(L, "failed to add item");
+ return 2;
+ } catch(SerializationError &e){
+ // Return
+ lua_pushboolean(L, false);
+ lua_pushstring(L, (std::string("Invalid item: ")
+ + e.what()).c_str());
+ return 2;
+ }
+ }
+
+ // add_to_inventory_later(self, itemstring)
+ // returns: nil
+ static int l_add_to_inventory_later(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ luaL_checkstring(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // itemstring
+ const char *itemstring = luaL_checkstring(L, 2);
+ infostream<<"ObjectRef::l_add_to_inventory_later(): id="<<co->getId()
+ <<" itemstring=\""<<itemstring<<"\""<<std::endl;
+ // Do it
+ std::istringstream is(itemstring, std::ios::binary);
+ ServerEnvironment *env = co->getEnv();
+ assert(env);
+ IGameDef *gamedef = env->getGameDef();
+ InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
+ infostream<<"item="<<env<<std::endl;
+ co->addToInventoryLater(item);
+ // Return
+ return 0;
+ }
+
+ // set_hp(self, hp)
+ // hp = number of hitpoints (2 * number of hearts)
+ // returns: nil
+ static int l_set_hp(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ luaL_checknumber(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ int hp = lua_tonumber(L, 2);
+ infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
+ <<" hp="<<hp<<std::endl;
+ // Do it
+ co->setHP(hp);
+ // Return
+ return 0;
+ }
+
+ // get_hp(self)
+ // returns: number of hitpoints (2 * number of hearts)
+ // 0 if not applicable to this type of object
+ static int l_get_hp(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ int hp = co->getHP();
+ infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
+ <<" hp="<<hp<<std::endl;
+ // Return
+ lua_pushnumber(L, hp);
+ return 1;
+ }
+
+ /* LuaEntitySAO-only */
+
+ // setvelocity(self, {x=num, y=num, z=num})
+ static int l_setvelocity(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setVelocity(pos);
+ return 0;
+ }
+
+ // getvelocity(self)
+ static int l_getvelocity(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v3f v = co->getVelocity();
+ pushFloatPos(L, v);
+ return 1;
+ }
+
+ // setacceleration(self, {x=num, y=num, z=num})
+ static int l_setacceleration(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setAcceleration(pos);
+ return 0;
+ }
+
+ // getacceleration(self)
+ static int l_getacceleration(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v3f v = co->getAcceleration();
+ pushFloatPos(L, v);
+ return 1;
+ }
+
+ // setyaw(self, radians)
+ static int l_setyaw(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
+ // Do it
+ co->setYaw(yaw);
+ return 0;
+ }
+
+ // getyaw(self)
+ static int l_getyaw(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ float yaw = co->getYaw() * core::DEGTORAD;
+ lua_pushnumber(L, yaw);
+ return 1;
+ }
+
+ // settexturemod(self, mod)
+ static int l_settexturemod(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string mod = luaL_checkstring(L, 2);
+ co->setTextureMod(mod);
+ return 0;
+ }
+
+ // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
+ // select_horiz_by_yawpitch=false)
+ static int l_setsprite(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v2s16 p(0,0);
+ if(!lua_isnil(L, 2))
+ p = read_v2s16(L, 2);
+ int num_frames = 1;
+ if(!lua_isnil(L, 3))
+ num_frames = lua_tonumber(L, 3);
+ float framelength = 0.2;
+ if(!lua_isnil(L, 4))
+ framelength = lua_tonumber(L, 4);
+ bool select_horiz_by_yawpitch = false;
+ if(!lua_isnil(L, 5))
+ select_horiz_by_yawpitch = lua_toboolean(L, 5);
+ co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
+ return 0;
+ }
+
+ // get_entity_name(self)
+ static int l_get_entity_name(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string name = co->getName();
+ lua_pushstring(L, name.c_str());
+ return 1;
+ }
+
+ // get_luaentity(self)
+ static int l_get_luaentity(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ luaentity_get(L, co->getId());
+ return 1;
+ }
+
+ /* Player-only */
+
+ // get_player_name(self)
+ static int l_get_player_name(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // Do it
+ lua_pushstring(L, player->getName());
+ return 1;
+ }
+
+ // get_inventory(self)
+ static int l_get_inventory(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ InvRef::createPlayer(L, player);
+ return 1;
+ }
+
+ // deprecated: inventory_set_list(self, name, {item1, item2, ...})
+ static int l_inventory_set_list(lua_State *L)
+ {
+ infostream<<"Deprecated: inventory_set_list"<<std::endl;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ const char *name = luaL_checkstring(L, 2);
+ // Do it
+ inventory_set_list_from_lua(&player->inventory, name, L, 3,
+ player->getEnv()->getGameDef(), PLAYER_INVENTORY_SIZE);
+ player->m_inventory_not_sent = true;
+ return 0;
+ }
+
+ // deprecated: inventory_get_list(self, name)
+ static int l_inventory_get_list(lua_State *L)
+ {
+ infostream<<"Deprecated: inventory_get_list"<<std::endl;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ const char *name = luaL_checkstring(L, 2);
+ // Do it
+ inventory_get_list_to_lua(&player->inventory, name, L);
+ return 1;
+ }
+
+ // get_wielded_itemstring(self)
+ static int l_get_wielded_itemstring(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ InventoryItem *item = player->getWieldedItem();
+ if(item == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ lua_pushstring(L, item->getItemString().c_str());
+ return 1;
+ }
+
+ // get_wielded_item(self)
+ static int l_get_wielded_item(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ InventoryItem *item0 = player->getWieldedItem();
+ push_stack_item(L, item0);
+ return 1;
+ }
+
+ // get_look_dir(self)
+ static int l_get_look_dir(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ float pitch = player->getRadPitch();
+ float yaw = player->getRadYaw();
+ v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw));
+ push_v3f(L, v);
+ return 1;
+ }
+
+ // get_look_pitch(self)
+ static int l_get_look_pitch(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ lua_pushnumber(L, player->getRadPitch());
+ return 1;
+ }
+
+ // get_look_yaw(self)
+ static int l_get_look_yaw(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ lua_pushnumber(L, player->getRadYaw());
+ return 1;
+ }
+
+public:
+ ObjectRef(ServerActiveObject *object):
+ m_object(object)
+ {
+ //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
+ }
+
+ ~ObjectRef()
+ {
+ /*if(m_object)
+ infostream<<"ObjectRef destructing for id="
+ <<m_object->getId()<<std::endl;
+ else
+ infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
+ }
+
+ // Creates an ObjectRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, ServerActiveObject *object)
+ {
+ ObjectRef *o = new ObjectRef(object);
+ //infostream<<"ObjectRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ }
+
+ static void set_null(lua_State *L)
+ {
+ ObjectRef *o = checkobject(L, -1);
+ o->m_object = NULL;
+ }
+
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+ }
+};
+const char ObjectRef::className[] = "ObjectRef";
+const luaL_reg ObjectRef::methods[] = {
+ // ServerActiveObject
+ method(ObjectRef, remove),
+ method(ObjectRef, getpos),
+ method(ObjectRef, setpos),
+ method(ObjectRef, moveto),
+ method(ObjectRef, punch),
+ method(ObjectRef, right_click),
+ method(ObjectRef, get_wield_digging_properties),
+ method(ObjectRef, damage_wielded_item),
+ method(ObjectRef, add_to_inventory),
+ method(ObjectRef, add_to_inventory_later),
+ method(ObjectRef, set_hp),
+ method(ObjectRef, get_hp),
+ // LuaEntitySAO-only
+ method(ObjectRef, setvelocity),
+ method(ObjectRef, getvelocity),
+ method(ObjectRef, setacceleration),
+ method(ObjectRef, getacceleration),
+ method(ObjectRef, setyaw),
+ method(ObjectRef, getyaw),
+ method(ObjectRef, settexturemod),
+ method(ObjectRef, setsprite),
+ method(ObjectRef, get_entity_name),
+ method(ObjectRef, get_luaentity),
+ // Player-only
+ method(ObjectRef, get_player_name),
+ method(ObjectRef, get_inventory),
+ method(ObjectRef, inventory_set_list), // deprecated
+ method(ObjectRef, inventory_get_list), // deprecated
+ method(ObjectRef, get_wielded_itemstring),
+ method(ObjectRef, get_wielded_item),
+ method(ObjectRef, get_look_dir),
+ method(ObjectRef, get_look_pitch),
+ method(ObjectRef, get_look_yaw),
+ {0,0}
+};
+
+// Creates a new anonymous reference if id=0
+static void objectref_get_or_create(lua_State *L,
+ ServerActiveObject *cobj)
+{
+ if(cobj->getId() == 0){
+ ObjectRef::create(L, cobj);
+ } else {
+ objectref_get(L, cobj->getId());
+ }
+}
+
+/*
+ EnvRef
+*/
+
+class EnvRef
+{
+private:
+ ServerEnvironment *m_env;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static EnvRef *checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(EnvRef**)ud; // unbox pointer
+ }
+
+ // Exported functions
+
+ // EnvRef:add_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_node(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_add_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // content
+ MapNode n = readnode(L, 3, env->getGameDef()->ndef());
+ // Do it
+ bool succeeded = env->getMap().addNodeWithEvent(pos, n);
+ lua_pushboolean(L, succeeded);
+ return 1;
+ }
+
+ // EnvRef:remove_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_remove_node(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_remove_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ bool succeeded = env->getMap().removeNodeWithEvent(pos);
+ lua_pushboolean(L, succeeded);
+ return 1;
+ }
+
+ // EnvRef:get_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_get_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+ }
+
+ // EnvRef:get_node_or_nil(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node_or_nil(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_get_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+ }
+
+ // EnvRef:get_node_light(pos, timeofday)
+ // pos = {x=num, y=num, z=num}
+ // timeofday: nil = current time, 0 = night, 0.5 = day
+ static int l_get_node_light(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3s16 pos = read_v3s16(L, 2);
+ u32 time_of_day = env->getTimeOfDay();
+ if(lua_isnumber(L, 3))
+ time_of_day = 24000.0 * lua_tonumber(L, 3);
+ time_of_day %= 24000;
+ u32 dnr = time_to_daynight_ratio(time_of_day);
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+ lua_pushinteger(L, n.getLightBlend(dnr, ndef));
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+ }
+
+ // EnvRef:add_entity(pos, entityname)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_entity(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_add_entity()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // content
+ const char *name = luaL_checkstring(L, 3);
+ // Do it
+ ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
+ int objectid = env->addActiveObject(obj);
+ // If failed to add, return nothing (reads as nil)
+ if(objectid == 0)
+ return 0;
+ // Return ObjectRef
+ objectref_get_or_create(L, obj);
+ return 1;
+ }
+
+ // EnvRef:add_item(pos, inventorystring)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_item(lua_State *L)
+ {
+ infostream<<"EnvRef::l_add_item()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // inventorystring
+ const char *inventorystring = luaL_checkstring(L, 3);
+ // Do it
+ ServerActiveObject *obj = new ItemSAO(env, pos, inventorystring);
+ env->addActiveObject(obj);
+ return 0;
+ }
+
+ // EnvRef:add_rat(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_rat(lua_State *L)
+ {
+ infostream<<"EnvRef::l_add_rat()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ ServerActiveObject *obj = new RatSAO(env, pos);
+ env->addActiveObject(obj);
+ return 0;
+ }
+
+ // EnvRef:add_firefly(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_firefly(lua_State *L)
+ {
+ infostream<<"EnvRef::l_add_firefly()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ ServerActiveObject *obj = new FireflySAO(env, pos);
+ env->addActiveObject(obj);
+ return 0;
+ }
+
+ // EnvRef:get_meta(pos)
+ static int l_get_meta(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_get_meta()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3s16 p = read_v3s16(L, 2);
+ NodeMetaRef::create(L, p, env);
+ return 1;
+ }
+
+ // EnvRef:get_player_by_name(name)
+ static int l_get_player_by_name(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ const char *name = luaL_checkstring(L, 2);
+ ServerRemotePlayer *player =
+ static_cast<ServerRemotePlayer*>(env->getPlayer(name));
+ if(player == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // Put player on stack
+ objectref_get_or_create(L, player);
+ return 1;
+ }
+
+ // EnvRef:get_objects_inside_radius(pos, radius)
+ static int l_get_objects_inside_radius(lua_State *L)
+ {
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ // Get environemnt
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3f pos = checkFloatPos(L, 2);
+ float radius = luaL_checknumber(L, 3) * BS;
+ std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(std::set<u16>::const_iterator
+ i = ids.begin(); i != ids.end(); i++){
+ ServerActiveObject *obj = env->getActiveObject(*i);
+ // Insert object reference into table
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ objectref_get_or_create(L, obj);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ return 1;
+ }
+
+ static int gc_object(lua_State *L) {
+ EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+public:
+ EnvRef(ServerEnvironment *env):
+ m_env(env)
+ {
+ infostream<<"EnvRef created"<<std::endl;
+ }
+
+ ~EnvRef()
+ {
+ infostream<<"EnvRef destructing"<<std::endl;
+ }
+
+ // Creates an EnvRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, ServerEnvironment *env)
+ {
+ EnvRef *o = new EnvRef(env);
+ //infostream<<"EnvRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ }
+
+ static void set_null(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, -1);
+ o->m_env = NULL;
+ }
+
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+ }
+};
+const char EnvRef::className[] = "EnvRef";
+const luaL_reg EnvRef::methods[] = {
+ method(EnvRef, add_node),
+ method(EnvRef, remove_node),
+ method(EnvRef, get_node),
+ method(EnvRef, get_node_or_nil),
+ method(EnvRef, get_node_light),
+ method(EnvRef, add_entity),
+ method(EnvRef, add_item),
+ method(EnvRef, add_rat),
+ method(EnvRef, add_firefly),
+ method(EnvRef, get_meta),
+ method(EnvRef, get_player_by_name),
+ method(EnvRef, get_objects_inside_radius),
+ {0,0}
+};
+
+/*
+ Global functions
+*/
+
+static int l_register_nodedef_defaults(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+
+ lua_pushvalue(L, 1); // Explicitly put parameter 1 on top of stack
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
+
+ return 0;
+}
+
+// Register new object prototype
+// register_entity(name, prototype)
+static int l_register_entity(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_entity: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+
+ // Get minetest.registered_entities
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_entities");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_entities = lua_gettop(L);
+ lua_pushvalue(L, 2); // Object = param 2 -> stack top
+ // registered_entities[name] = object
+ lua_setfield(L, registered_entities, name.c_str());
+
+ // Get registered object to top of stack
+ lua_pushvalue(L, 2);
+
+ // Set name field
+ lua_pushvalue(L, 1);
+ lua_setfield(L, -2, "name");
+
+ // Set __index to point to itself
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+
+ // Set metatable.__index = metatable
+ luaL_getmetatable(L, "minetest.entity");
+ lua_pushvalue(L, -1); // duplicate metatable
+ lua_setfield(L, -2, "__index");
+ // Set object metatable
+ lua_setmetatable(L, -2);
+
+ return 0; /* number of results */
+}
+
+class LuaABM : public ActiveBlockModifier
+{
+private:
+ lua_State *m_lua;
+ int m_id;
+
+ std::set<std::string> m_trigger_contents;
+ std::set<std::string> m_required_neighbors;
+ float m_trigger_interval;
+ u32 m_trigger_chance;
+public:
+ LuaABM(lua_State *L, int id,
+ const std::set<std::string> &trigger_contents,
+ const std::set<std::string> &required_neighbors,
+ float trigger_interval, u32 trigger_chance):
+ m_lua(L),
+ m_id(id),
+ m_trigger_contents(trigger_contents),
+ m_required_neighbors(required_neighbors),
+ m_trigger_interval(trigger_interval),
+ m_trigger_chance(trigger_chance)
+ {
+ }
+ virtual std::set<std::string> getTriggerContents()
+ {
+ return m_trigger_contents;
+ }
+ virtual std::set<std::string> getRequiredNeighbors()
+ {
+ return m_required_neighbors;
+ }
+ virtual float getTriggerInterval()
+ {
+ return m_trigger_interval;
+ }
+ virtual u32 getTriggerChance()
+ {
+ return m_trigger_chance;
+ }
+ virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
+ u32 active_object_count, u32 active_object_count_wider)
+ {
+ lua_State *L = m_lua;
+
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ // Get minetest.registered_abms[m_id]
+ lua_pushnumber(L, m_id);
+ lua_gettable(L, registered_abms);
+ if(lua_isnil(L, -1))
+ assert(0);
+
+ // Call action
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, "action");
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ push_v3s16(L, p);
+ pushnode(L, n, env->getGameDef()->ndef());
+ lua_pushnumber(L, active_object_count);
+ lua_pushnumber(L, active_object_count_wider);
+ if(lua_pcall(L, 4, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+};
+
+// register_abm({...})
+static int l_register_abm(lua_State *L)
+{
+ //infostream<<"register_abm"<<std::endl;
+ luaL_checktype(L, 1, LUA_TTABLE);
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ int id = 1;
+ // Find free id
+ for(;;){
+ lua_pushnumber(L, id);
+ lua_gettable(L, registered_abms);
+ if(lua_isnil(L, -1))
+ break;
+ lua_pop(L, 1);
+ id++;
+ }
+ lua_pop(L, 1);
+
+ infostream<<"register_abm: id="<<id<<std::endl;
+
+ // registered_abms[id] = spec
+ lua_pushnumber(L, id);
+ lua_pushvalue(L, 1);
+ lua_settable(L, registered_abms);
+
+ return 0; /* number of results */
+}
+
+// register_tool(name, {lots of stuff})
+static int l_register_tool(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_tool: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int table = 2;
+
+ // Get the writable tool definition manager from the server
+ IWritableToolDefManager *tooldef =
+ get_server(L)->getWritableToolDefManager();
+
+ ToolDefinition def = read_tool_definition(L, table);
+
+ tooldef->registerTool(name, def);
+ return 0; /* number of results */
+}
+
+// register_craftitem(name, {lots of stuff})
+static int l_register_craftitem(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_craftitem: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int table = 2;
+
+ // Get the writable CraftItem definition manager from the server
+ IWritableCraftItemDefManager *craftitemdef =
+ get_server(L)->getWritableCraftItemDefManager();
+
+ // Check if on_drop is defined
+ lua_getfield(L, table, "on_drop");
+ bool got_on_drop = !lua_isnil(L, -1);
+ lua_pop(L, 1);
+
+ // Check if on_use is defined
+ lua_getfield(L, table, "on_use");
+ bool got_on_use = !lua_isnil(L, -1);
+ lua_pop(L, 1);
+
+ CraftItemDefinition def;
+
+ getstringfield(L, table, "image", def.imagename);
+ getstringfield(L, table, "cookresult_itemstring", def.cookresult_item);
+ getfloatfield(L, table, "furnace_cooktime", def.furnace_cooktime);
+ getfloatfield(L, table, "furnace_burntime", def.furnace_burntime);
+ def.usable = getboolfield_default(L, table, "usable", got_on_use);
+ getboolfield(L, table, "liquids_pointable", def.liquids_pointable);
+ def.dropcount = getintfield_default(L, table, "dropcount", def.dropcount);
+ def.stack_max = getintfield_default(L, table, "stack_max", def.stack_max);
+
+ // If an on_drop callback is defined, force dropcount to 1
+ if (got_on_drop)
+ def.dropcount = 1;
+
+ // Register it
+ craftitemdef->registerCraftItem(name, def);
+
+ lua_pushvalue(L, table);
+ scriptapi_add_craftitem(L, name.c_str());
+
+ return 0; /* number of results */
+}
+
+// register_node(name, {lots of stuff})
+static int l_register_node(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_node: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int nodedef_table = 2;
+
+ // Get the writable node definition manager from the server
+ IWritableNodeDefManager *nodedef =
+ get_server(L)->getWritableNodeDefManager();
+
+ // Get default node definition from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
+ int nodedef_default = lua_gettop(L);
+
+ /*
+ Add to minetest.registered_nodes with default as metatable
+ */
+
+ // Get the node definition table given as parameter
+ lua_pushvalue(L, nodedef_table);
+
+ // Set __index to point to itself
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+
+ // Set nodedef_default as metatable for the definition
+ lua_pushvalue(L, nodedef_default);
+ lua_setmetatable(L, nodedef_table);
+
+ // minetest.registered_nodes[name] = nodedef
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_nodes");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushstring(L, name.c_str());
+ lua_pushvalue(L, nodedef_table);
+ lua_settable(L, -3);
+
+ /*
+ Create definition
+ */
+
+ ContentFeatures f;
+
+ // Default to getting the corresponding NodeItem when dug
+ f.dug_item = std::string("NodeItem \"")+name+"\" 1";
+
+ // Default to unknown_block.png as all textures
+ f.setAllTextures("unknown_block.png");
+
+ /*
+ Read definiton from Lua
+ */
+
+ f.name = name;
+
+ /* Visual definition */
+
+ f.drawtype = (NodeDrawType)getenumfield(L, nodedef_table, "drawtype", es_DrawType,
+ NDT_NORMAL);
+ getfloatfield(L, nodedef_table, "visual_scale", f.visual_scale);
+
+ lua_getfield(L, nodedef_table, "tile_images");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ if(lua_isstring(L, -1))
+ f.tname_tiles[i] = lua_tostring(L, -1);
+ else
+ f.tname_tiles[i] = "";
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
+ }
+ // Copy last value to all remaining textures
+ if(i >= 1){
+ std::string lastname = f.tname_tiles[i-1];
+ while(i < 6){
+ f.tname_tiles[i] = lastname;
+ i++;
+ }
+ }
+ }
+ lua_pop(L, 1);
+
+ getstringfield(L, nodedef_table, "inventory_image", f.tname_inventory);
+
+ lua_getfield(L, nodedef_table, "special_materials");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ int smtable = lua_gettop(L);
+ std::string tname = getstringfield_default(
+ L, smtable, "image", "");
+ bool backface_culling = getboolfield_default(
+ L, smtable, "backface_culling", true);
+ MaterialSpec mspec(tname, backface_culling);
+ f.setSpecialMaterial(i, mspec);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
+ }
+ }
+ lua_pop(L, 1);
+
+ f.alpha = getintfield_default(L, nodedef_table, "alpha", 255);
+
+ /* Other stuff */
+
+ lua_getfield(L, nodedef_table, "post_effect_color");
+ if(!lua_isnil(L, -1))
+ f.post_effect_color = readARGB8(L, -1);
+ lua_pop(L, 1);
+
+ f.param_type = (ContentParamType)getenumfield(L, nodedef_table, "paramtype",
+ es_ContentParamType, CPT_NONE);
+
+ // True for all ground-like things like stone and mud, false for eg. trees
+ getboolfield(L, nodedef_table, "is_ground_content", f.is_ground_content);
+ f.light_propagates = (f.param_type == CPT_LIGHT);
+ warn_if_field_exists(L, nodedef_table, "light_propagates",
+ "deprecated: determined from paramtype");
+ getboolfield(L, nodedef_table, "sunlight_propagates", f.sunlight_propagates);
+ // This is used for collision detection.
+ // Also for general solidness queries.
+ getboolfield(L, nodedef_table, "walkable", f.walkable);
+ // Player can point to these
+ getboolfield(L, nodedef_table, "pointable", f.pointable);
+ // Player can dig these
+ getboolfield(L, nodedef_table, "diggable", f.diggable);
+ // Player can climb these
+ getboolfield(L, nodedef_table, "climbable", f.climbable);
+ // Player can build on these
+ getboolfield(L, nodedef_table, "buildable_to", f.buildable_to);
+ // If true, param2 is set to direction when placed. Used for torches.
+ // NOTE: the direction format is quite inefficient and should be changed
+ getboolfield(L, nodedef_table, "wall_mounted", f.wall_mounted);
+ // Whether this content type often contains mineral.
+ // Used for texture atlas creation.
+ // Currently only enabled for CONTENT_STONE.
+ getboolfield(L, nodedef_table, "often_contains_mineral", f.often_contains_mineral);
+ // Inventory item string as which the node appears in inventory when dug.
+ // Mineral overrides this.
+ getstringfield(L, nodedef_table, "dug_item", f.dug_item);
+ // Extra dug item and its rarity
+ getstringfield(L, nodedef_table, "extra_dug_item", f.extra_dug_item);
+ // Usual get interval for extra dug item
+ getintfield(L, nodedef_table, "extra_dug_item_rarity", f.extra_dug_item_rarity);
+ // Metadata name of node (eg. "furnace")
+ getstringfield(L, nodedef_table, "metadata_name", f.metadata_name);
+ // Whether the node is non-liquid, source liquid or flowing liquid
+ f.liquid_type = (LiquidType)getenumfield(L, nodedef_table, "liquidtype",
+ es_LiquidType, LIQUID_NONE);
+ // If the content is liquid, this is the flowing version of the liquid.
+ getstringfield(L, nodedef_table, "liquid_alternative_flowing",
+ f.liquid_alternative_flowing);
+ // If the content is liquid, this is the source version of the liquid.
+ getstringfield(L, nodedef_table, "liquid_alternative_source",
+ f.liquid_alternative_source);
+ // Viscosity for fluid flow, ranging from 1 to 7, with
+ // 1 giving almost instantaneous propagation and 7 being
+ // the slowest possible
+ f.liquid_viscosity = getintfield_default(L, nodedef_table,
+ "liquid_viscosity", f.liquid_viscosity);
+ // Amount of light the node emits
+ f.light_source = getintfield_default(L, nodedef_table,
+ "light_source", f.light_source);
+ f.damage_per_second = getintfield_default(L, nodedef_table,
+ "damage_per_second", f.damage_per_second);
+
+ lua_getfield(L, nodedef_table, "selection_box");
+ if(lua_istable(L, -1)){
+ f.selection_box.type = (NodeBoxType)getenumfield(L, -1, "type",
+ es_NodeBoxType, NODEBOX_REGULAR);
+
+ lua_getfield(L, -1, "fixed");
+ if(lua_istable(L, -1))
+ f.selection_box.fixed = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "wall_top");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_top = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "wall_bottom");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_bottom = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "wall_side");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_side = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+ }
+ lua_pop(L, 1);
+
+ lua_getfield(L, nodedef_table, "material");
+ if(lua_istable(L, -1)){
+ f.material.diggability = (Diggability)getenumfield(L, -1, "diggability",
+ es_Diggability, DIGGABLE_NORMAL);
+
+ getfloatfield(L, -1, "constant_time", f.material.constant_time);
+ getfloatfield(L, -1, "weight", f.material.weight);
+ getfloatfield(L, -1, "crackiness", f.material.crackiness);
+ getfloatfield(L, -1, "crumbliness", f.material.crumbliness);
+ getfloatfield(L, -1, "cuttability", f.material.cuttability);
+ getfloatfield(L, -1, "flammability", f.material.flammability);
+ }
+ lua_pop(L, 1);
+
+ getstringfield(L, nodedef_table, "cookresult_itemstring", f.cookresult_item);
+ getfloatfield(L, nodedef_table, "furnace_cooktime", f.furnace_cooktime);
+ getfloatfield(L, nodedef_table, "furnace_burntime", f.furnace_burntime);
+
+ /*
+ Register it
+ */
+
+ nodedef->set(name, f);
+
+ return 0; /* number of results */
+}
+
+// alias_node(name, convert_to_name)
+static int l_alias_node(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get the writable node definition manager from the server
+ IWritableNodeDefManager *nodedef =
+ get_server(L)->getWritableNodeDefManager();
- // moveto(self, pos, continuous=false)
- static int l_moveto(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- //LuaEntitySAO *co = getluaobject(ref);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // continuous
- bool continuous = lua_toboolean(L, 3);
- // Do it
- co->moveTo(pos, continuous);
- return 0;
- }
+ nodedef->setAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
- // setvelocity(self, velocity)
- static int l_setvelocity(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // Do it
- co->setVelocity(pos);
- return 0;
- }
+// alias_tool(name, convert_to_name)
+static int l_alias_tool(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get the writable tool definition manager from the server
+ IWritableToolDefManager *tooldef =
+ get_server(L)->getWritableToolDefManager();
- // setacceleration(self, acceleration)
- static int l_setacceleration(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // Do it
- co->setAcceleration(pos);
- return 0;
- }
+ tooldef->setAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
+
+// alias_craftitem(name, convert_to_name)
+static int l_alias_craftitem(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get the writable CraftItem definition manager from the server
+ IWritableCraftItemDefManager *craftitemdef =
+ get_server(L)->getWritableCraftItemDefManager();
- // add_to_inventory(self, itemstring)
- // returns: true if item was added, false otherwise
- static int l_add_to_inventory(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- luaL_checkstring(L, 2);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // itemstring
- const char *itemstring = lua_tostring(L, 2);
- infostream<<"ObjectRef::l_add_to_inventory(): id="<<co->getId()
- <<" itemstring=\""<<itemstring<<"\""<<std::endl;
- // Do it
- std::istringstream is(itemstring, std::ios::binary);
- ServerEnvironment *env = co->getEnv();
- assert(env);
- IGameDef *gamedef = env->getGameDef();
- InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
- infostream<<"item="<<env<<std::endl;
- bool fits = co->addToInventory(item);
- // Return
- lua_pushboolean(L, fits);
- return 1;
- }
+ craftitemdef->setAlias(name, convert_to);
-public:
- ObjectRef(ServerActiveObject *object):
- m_object(object)
- {
- //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
- }
+ return 0; /* number of results */
+}
- ~ObjectRef()
- {
- /*if(m_object)
- infostream<<"ObjectRef destructing for id="
- <<m_object->getId()<<std::endl;
- else
- infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
- }
+// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
+static int l_register_craft(lua_State *L)
+{
+ //infostream<<"register_craft"<<std::endl;
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int table0 = 1;
- // Creates an ObjectRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, ServerActiveObject *object)
- {
- ObjectRef *o = new ObjectRef(object);
- //infostream<<"ObjectRef::create: o="<<o<<std::endl;
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
+ // Get the writable craft definition manager from the server
+ IWritableCraftDefManager *craftdef =
+ get_server(L)->getWritableCraftDefManager();
+
+ std::string output;
+ int width = 0;
+ std::vector<std::string> input;
- static void set_null(lua_State *L)
- {
- ObjectRef *o = checkobject(L, -1);
- o->m_object = NULL;
+ lua_getfield(L, table0, "output");
+ luaL_checktype(L, -1, LUA_TSTRING);
+ if(lua_isstring(L, -1))
+ output = lua_tostring(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, table0, "recipe");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ if(lua_istable(L, -1)){
+ int table1 = lua_gettop(L);
+ lua_pushnil(L);
+ int rowcount = 0;
+ while(lua_next(L, table1) != 0){
+ int colcount = 0;
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TTABLE);
+ if(lua_istable(L, -1)){
+ int table2 = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table2) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ input.push_back(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ colcount++;
+ }
+ }
+ if(rowcount == 0){
+ width = colcount;
+ } else {
+ if(colcount != width){
+ std::string error;
+ error += "Invalid crafting recipe (output=\""
+ + output + "\")";
+ throw LuaError(L, error);
+ }
+ }
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ rowcount++;
+ }
}
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
+ lua_pop(L, 1);
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+ CraftDefinition def(output, width, input);
+ craftdef->registerCraft(def);
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
+ return 0; /* number of results */
+}
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
+// setting_get(name)
+static int l_setting_get(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ std::string value = g_settings->get(name);
+ lua_pushstring(L, value.c_str());
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
+ }
+ return 1;
+}
- lua_pop(L, 1); // drop metatable
+// setting_getbool(name)
+static int l_setting_getbool(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ bool value = g_settings->getBool(name);
+ lua_pushboolean(L, value);
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
+ }
+ return 1;
+}
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
+// chat_send_all(text)
+static int l_chat_send_all(lua_State *L)
+{
+ const char *text = luaL_checkstring(L, 1);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Send
+ server->notifyPlayers(narrow_to_wide(text));
+ return 0;
+}
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
+// chat_send_player(name, text)
+static int l_chat_send_player(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ const char *text = luaL_checkstring(L, 2);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Send
+ server->notifyPlayer(name, narrow_to_wide(text));
+ return 0;
+}
+
+// get_player_privs(name, text)
+static int l_get_player_privs(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Do it
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ u64 privs_i = server->getPlayerAuthPrivs(name);
+ // Special case for the "name" setting (local player / server owner)
+ if(name == g_settings->get("name"))
+ privs_i = PRIV_ALL;
+ std::set<std::string> privs_s = privsToSet(privs_i);
+ for(std::set<std::string>::const_iterator
+ i = privs_s.begin(); i != privs_s.end(); i++){
+ lua_pushboolean(L, true);
+ lua_setfield(L, table, i->c_str());
}
-};
-const char ObjectRef::className[] = "ObjectRef";
-const luaL_reg ObjectRef::methods[] = {
- method(ObjectRef, remove),
- method(ObjectRef, getpos),
- method(ObjectRef, setpos),
- method(ObjectRef, moveto),
- method(ObjectRef, setvelocity),
- method(ObjectRef, setacceleration),
- method(ObjectRef, add_to_inventory),
- {0,0}
-};
+ lua_pushvalue(L, table);
+ return 1;
+}
-// Creates a new anonymous reference if id=0
-static void objectref_get_or_create(lua_State *L,
- ServerActiveObject *cobj)
+// get_inventory(location)
+static int l_get_inventory(lua_State *L)
{
- if(cobj->getId() == 0){
- ObjectRef::create(L, cobj);
- } else {
- objectref_get(L, cobj->getId());
+ InventoryLocation loc;
+
+ std::string type = checkstringfield(L, 1, "type");
+ if(type == "player"){
+ std::string name = checkstringfield(L, 1, "name");
+ loc.setPlayer(name);
+ } else if(type == "node"){
+ lua_getfield(L, 1, "pos");
+ v3s16 pos = check_v3s16(L, -1);
+ loc.setNodeMeta(pos);
+ }
+
+ if(get_server(L)->getInventory(loc) != NULL)
+ InvRef::create(L, loc);
+ else
+ lua_pushnil(L);
+ return 1;
+}
+
+// get_modpath(modname)
+static int l_get_modpath(lua_State *L)
+{
+ const char *modname = luaL_checkstring(L, 1);
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // Do it
+ const ModSpec *mod = server->getModSpec(modname);
+ if(!mod){
+ lua_pushnil(L);
+ return 1;
}
+ lua_pushstring(L, mod->path.c_str());
+ return 1;
}
+static const struct luaL_Reg minetest_f [] = {
+ {"register_nodedef_defaults", l_register_nodedef_defaults},
+ {"register_entity", l_register_entity},
+ {"register_tool", l_register_tool},
+ {"register_craftitem", l_register_craftitem},
+ {"register_node", l_register_node},
+ {"register_craft", l_register_craft},
+ {"register_abm", l_register_abm},
+ {"alias_node", l_alias_node},
+ {"alias_tool", l_alias_tool},
+ {"alias_craftitem", l_alias_craftitem},
+ {"setting_get", l_setting_get},
+ {"setting_getbool", l_setting_getbool},
+ {"chat_send_all", l_chat_send_all},
+ {"chat_send_player", l_chat_send_player},
+ {"get_player_privs", l_get_player_privs},
+ {"get_inventory", l_get_inventory},
+ {"get_modpath", l_get_modpath},
+ {NULL, NULL}
+};
+
+/*
+ LuaEntity functions
+*/
+
+static const struct luaL_Reg minetest_entity_m [] = {
+ {NULL, NULL}
+};
+
/*
Main export function
*/
// Store server as light userdata in registry
lua_pushlightuserdata(L, server);
lua_setfield(L, LUA_REGISTRYINDEX, "minetest_server");
+
+ // Store nil as minetest_nodedef_defaults in registry
+ lua_pushnil(L);
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
// Register global functions in table minetest
lua_newtable(L);
// Add tables to minetest
- /*lua_newtable(L);
- lua_setfield(L, -2, "registered_blocks");*/
-
- lua_newtable(L);
- lua_setfield(L, -2, "registered_entities");
-
lua_newtable(L);
- lua_setfield(L, -2, "registered_globalsteps");
-
+ lua_setfield(L, -2, "registered_nodes");
lua_newtable(L);
- lua_setfield(L, -2, "registered_on_placenodes");
-
+ lua_setfield(L, -2, "registered_entities");
lua_newtable(L);
- lua_setfield(L, -2, "registered_on_dignodes");
-
+ lua_setfield(L, -2, "registered_craftitems");
lua_newtable(L);
- lua_setfield(L, -2, "registered_on_punchnodes");
-
+ lua_setfield(L, -2, "registered_abms");
+
lua_newtable(L);
lua_setfield(L, -2, "object_refs");
-
lua_newtable(L);
lua_setfield(L, -2, "luaentities");
// Put functions in metatable
luaL_register(L, NULL, minetest_entity_m);
// Put other stuff in metatable
-
- // Environment C reference
+
+ // Register wrappers
+ ItemStack::Register(L);
+ InvRef::Register(L);
+ NodeMetaRef::Register(L);
+ ObjectRef::Register(L);
EnvRef::Register(L);
+}
- // Object C reference
- ObjectRef::Register(L);
+bool scriptapi_loadmod(lua_State *L, const std::string &scriptpath,
+ const std::string &modname)
+{
+ ModNameStorer modnamestorer(L, modname);
+
+ if(!string_allowed(modname, "abcdefghijklmnopqrstuvwxyz"
+ "0123456789_")){
+ errorstream<<"Error loading mod \""<<modname
+ <<"\": modname does not follow naming conventions: "
+ <<"Only chararacters [a-z0-9_] are allowed."<<std::endl;
+ return false;
+ }
+
+ bool success = false;
+
+ try{
+ success = script_load(L, scriptpath.c_str());
+ }
+ catch(LuaError &e){
+ errorstream<<"Error loading mod \""<<modname
+ <<"\": "<<e.what()<<std::endl;
+ }
+
+ return success;
}
void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
luaL_checktype(L, -1, LUA_TTABLE);
lua_pushvalue(L, envref);
lua_setfield(L, -2, "env");
+
+ // Store environment as light userdata in registry
+ lua_pushlightuserdata(L, env);
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_env");
+
+ /*
+ Add ActiveBlockModifiers to environment
+ */
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ if(lua_istable(L, registered_abms)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ int id = lua_tonumber(L, -2);
+ int current_abm = lua_gettop(L);
+
+ std::set<std::string> trigger_contents;
+ lua_getfield(L, current_abm, "nodenames");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ trigger_contents.insert(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, -1)){
+ trigger_contents.insert(lua_tostring(L, -1));
+ }
+ lua_pop(L, 1);
+
+ std::set<std::string> required_neighbors;
+ lua_getfield(L, current_abm, "neighbors");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ required_neighbors.insert(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, -1)){
+ required_neighbors.insert(lua_tostring(L, -1));
+ }
+ lua_pop(L, 1);
+
+ float trigger_interval = 10.0;
+ getfloatfield(L, current_abm, "interval", trigger_interval);
+
+ int trigger_chance = 50;
+ getintfield(L, current_abm, "chance", trigger_chance);
+
+ LuaABM *abm = new LuaABM(L, id, trigger_contents,
+ required_neighbors, trigger_interval, trigger_chance);
+
+ env->addActiveBlockModifier(abm);
+
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
}
#if 0
lua_pushvalue(L, -2); // Get previous stack top as first parameter
lua_pushstring(L, name);
if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ script_error(L, "error: %s", lua_tostring(L, -1));
}
#endif
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl;
+ //infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl;
StackUnroller stack_unroller(L);
// Create object on stack
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl;
+ //infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl;
StackUnroller stack_unroller(L);
// Get minetest.object_refs table
lua_settable(L, objectstable);
}
+bool scriptapi_on_chat_message(lua_State *L, const std::string &name,
+ const std::string &message)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_chat_messages
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_chat_messages");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int table = lua_gettop(L);
+ // Foreach
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ // Call function
+ lua_pushstring(L, name.c_str());
+ lua_pushstring(L, message.c_str());
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ bool ate = lua_toboolean(L, -1);
+ lua_pop(L, 1);
+ if(ate)
+ return true;
+ // value removed, keep key for next iteration
+ }
+ return false;
+}
+
+/*
+ misc
+*/
+
+void scriptapi_on_newplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_newplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_newplayers");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int table = lua_gettop(L);
+ // Foreach
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ // Call function
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 1, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
+}
+bool scriptapi_on_respawnplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ bool positioning_handled_by_some = false;
+
+ // Get minetest.registered_on_respawnplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_respawnplayers");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int table = lua_gettop(L);
+ // Foreach
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ // Call function
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 1, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ bool positioning_handled = lua_toboolean(L, -1);
+ lua_pop(L, 1);
+ if(positioning_handled)
+ positioning_handled_by_some = true;
+ // value removed, keep key for next iteration
+ }
+ return positioning_handled_by_some;
+}
+
+void scriptapi_get_creative_inventory(lua_State *L, ServerRemotePlayer *player)
+{
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "creative_inventory");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ inventory_set_list_from_lua(&player->inventory, "main", L, -1,
+ player->getEnv()->getGameDef(), PLAYER_INVENTORY_SIZE);
+}
+
+/*
+ craftitem
+*/
+
+static void pushPointedThing(lua_State *L, const PointedThing& pointed)
+{
+ lua_newtable(L);
+ if(pointed.type == POINTEDTHING_NODE)
+ {
+ lua_pushstring(L, "node");
+ lua_setfield(L, -2, "type");
+ push_v3s16(L, pointed.node_undersurface);
+ lua_setfield(L, -2, "under");
+ push_v3s16(L, pointed.node_abovesurface);
+ lua_setfield(L, -2, "above");
+ }
+ else if(pointed.type == POINTEDTHING_OBJECT)
+ {
+ lua_pushstring(L, "object");
+ lua_setfield(L, -2, "type");
+ objectref_get(L, pointed.object_id);
+ lua_setfield(L, -2, "ref");
+ }
+ else
+ {
+ lua_pushstring(L, "nothing");
+ lua_setfield(L, -2, "type");
+ }
+}
+
+void scriptapi_add_craftitem(lua_State *L, const char *name)
+{
+ StackUnroller stack_unroller(L);
+ assert(lua_gettop(L) > 0);
+
+ // Set minetest.registered_craftitems[name] = table on top of stack
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_craftitems");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushvalue(L, -3); // push another reference to the table to be registered
+ lua_setfield(L, -2, name); // set minetest.registered_craftitems[name]
+}
+
+static bool get_craftitem_callback(lua_State *L, const char *name,
+ const char *callbackname)
+{
+ // Get minetest.registered_craftitems[name][callbackname]
+ // If that is nil or on error, return false and stack is unchanged
+ // If that is a function, returns true and pushes the
+ // function onto the stack
+
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_craftitems");
+ lua_remove(L, -2);
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, name);
+ lua_remove(L, -2);
+ // Should be a table
+ if(lua_type(L, -1) != LUA_TTABLE)
+ {
+ errorstream<<"CraftItem name \""<<name<<"\" not defined"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
+ lua_getfield(L, -1, callbackname);
+ lua_remove(L, -2);
+ // Should be a function or nil
+ if(lua_type(L, -1) == LUA_TFUNCTION)
+ {
+ return true;
+ }
+ else if(lua_isnil(L, -1))
+ {
+ lua_pop(L, 1);
+ return false;
+ }
+ else
+ {
+ errorstream<<"CraftItem name \""<<name<<"\" callback \""
+ <<callbackname<<" is not a function"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
+}
+
+bool scriptapi_craftitem_on_drop(lua_State *L, const char *name,
+ ServerActiveObject *dropper, v3f pos,
+ bool &callback_exists)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_craftitem_on_drop"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ bool result = false;
+ callback_exists = get_craftitem_callback(L, name, "on_drop");
+ if(callback_exists)
+ {
+ // Call function
+ lua_pushstring(L, name);
+ objectref_get_or_create(L, dropper);
+ pushFloatPos(L, pos);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ result = lua_toboolean(L, -1);
+ }
+ return result;
+}
+
+bool scriptapi_craftitem_on_place_on_ground(lua_State *L, const char *name,
+ ServerActiveObject *placer, v3f pos,
+ bool &callback_exists)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_craftitem_on_place_on_ground"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ bool result = false;
+ callback_exists = get_craftitem_callback(L, name, "on_place_on_ground");
+ if(callback_exists)
+ {
+ // Call function
+ lua_pushstring(L, name);
+ objectref_get_or_create(L, placer);
+ pushFloatPos(L, pos);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ result = lua_toboolean(L, -1);
+ }
+ return result;
+}
+
+bool scriptapi_craftitem_on_use(lua_State *L, const char *name,
+ ServerActiveObject *user, const PointedThing& pointed,
+ bool &callback_exists)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_craftitem_on_use"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ bool result = false;
+ callback_exists = get_craftitem_callback(L, name, "on_use");
+ if(callback_exists)
+ {
+ // Call function
+ lua_pushstring(L, name);
+ objectref_get_or_create(L, user);
+ pushPointedThing(L, pointed);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ result = lua_toboolean(L, -1);
+ }
+ return result;
+}
+
/*
environment
*/
// Call function
lua_pushnumber(L, dtime);
if(lua_pcall(L, 1, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ script_error(L, "error: %s", lua_tostring(L, -1));
// value removed, keep key for next iteration
}
}
-void scriptapi_environment_on_placenode(lua_State *L, v3s16 p, MapNode newnode)
+void scriptapi_environment_on_placenode(lua_State *L, v3s16 p, MapNode newnode,
+ ServerActiveObject *placer)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
//infostream<<"scriptapi_environment_on_placenode"<<std::endl;
StackUnroller stack_unroller(L);
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- // And get the writable node definition manager from the server
+ // Get the writable node definition manager from the server
IWritableNodeDefManager *ndef =
- server->getWritableNodeDefManager();
+ get_server(L)->getWritableNodeDefManager();
// Get minetest.registered_on_placenodes
lua_getglobal(L, "minetest");
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TFUNCTION);
// Call function
- pushpos(L, p);
+ push_v3s16(L, p);
pushnode(L, newnode, ndef);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ objectref_get_or_create(L, placer);
+ if(lua_pcall(L, 3, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
// value removed, keep key for next iteration
}
}
-void scriptapi_environment_on_dignode(lua_State *L, v3s16 p, MapNode oldnode)
+void scriptapi_environment_on_dignode(lua_State *L, v3s16 p, MapNode oldnode,
+ ServerActiveObject *digger)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
//infostream<<"scriptapi_environment_on_dignode"<<std::endl;
StackUnroller stack_unroller(L);
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- // And get the writable node definition manager from the server
+ // Get the writable node definition manager from the server
IWritableNodeDefManager *ndef =
- server->getWritableNodeDefManager();
+ get_server(L)->getWritableNodeDefManager();
// Get minetest.registered_on_dignodes
lua_getglobal(L, "minetest");
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TFUNCTION);
// Call function
- pushpos(L, p);
+ push_v3s16(L, p);
pushnode(L, oldnode, ndef);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ objectref_get_or_create(L, digger);
+ if(lua_pcall(L, 3, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
// value removed, keep key for next iteration
}
}
-void scriptapi_environment_on_punchnode(lua_State *L, v3s16 p, MapNode oldnode)
+void scriptapi_environment_on_punchnode(lua_State *L, v3s16 p, MapNode node,
+ ServerActiveObject *puncher)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
//infostream<<"scriptapi_environment_on_punchnode"<<std::endl;
StackUnroller stack_unroller(L);
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- // And get the writable node definition manager from the server
+ // Get the writable node definition manager from the server
IWritableNodeDefManager *ndef =
- server->getWritableNodeDefManager();
+ get_server(L)->getWritableNodeDefManager();
// Get minetest.registered_on_punchnodes
lua_getglobal(L, "minetest");
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TFUNCTION);
// Call function
- pushpos(L, p);
- pushnode(L, oldnode, ndef);
+ push_v3s16(L, p);
+ pushnode(L, node, ndef);
+ objectref_get_or_create(L, puncher);
+ if(lua_pcall(L, 3, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
+}
+
+void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_environment_on_generated"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_generateds
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_generateds");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int table = lua_gettop(L);
+ // Foreach
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ // Call function
+ push_v3s16(L, minp);
+ push_v3s16(L, maxp);
if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ script_error(L, "error: %s", lua_tostring(L, -1));
// value removed, keep key for next iteration
}
}
luaentity_get(L, id);
//int object = lua_gettop(L);
- lua_getfield(L, -1, "physical");
- if(lua_isboolean(L, -1))
- prop->physical = lua_toboolean(L, -1);
- lua_pop(L, 1);
+ /* Read stuff */
- lua_getfield(L, -1, "weight");
- prop->weight = lua_tonumber(L, -1);
- lua_pop(L, 1);
+ getboolfield(L, -1, "physical", prop->physical);
+
+ getfloatfield(L, -1, "weight", prop->weight);
lua_getfield(L, -1, "collisionbox");
- if(lua_istable(L, -1)){
- lua_rawgeti(L, -1, 1);
- prop->collisionbox.MinEdge.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 2);
- prop->collisionbox.MinEdge.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 3);
- prop->collisionbox.MinEdge.Z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 4);
- prop->collisionbox.MaxEdge.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 5);
- prop->collisionbox.MaxEdge.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 6);
- prop->collisionbox.MaxEdge.Z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- }
+ if(lua_istable(L, -1))
+ prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
lua_pop(L, 1);
- lua_getfield(L, -1, "visual");
- if(lua_isstring(L, -1))
- prop->visual = lua_tostring(L, -1);
- lua_pop(L, 1);
+ getstringfield(L, -1, "visual", prop->visual);
+ lua_getfield(L, -1, "visual_size");
+ if(lua_istable(L, -1))
+ prop->visual_size = read_v2f(L, -1);
+ lua_pop(L, 1);
+
lua_getfield(L, -1, "textures");
if(lua_istable(L, -1)){
prop->textures.clear();
}
}
lua_pop(L, 1);
+
+ lua_getfield(L, -1, "spritediv");
+ if(lua_istable(L, -1))
+ prop->spritediv = read_v2s16(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "initial_sprite_basepos");
+ if(lua_istable(L, -1))
+ prop->initial_sprite_basepos = read_v2s16(L, -1);
+ lua_pop(L, 1);
}
void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)
script_error(L, "error running function 'on_step': %s\n", lua_tostring(L, -1));
}
-// Calls entity:on_punch(ObjectRef puncher)
+// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch)
void scriptapi_luaentity_punch(lua_State *L, u16 id,
- ServerActiveObject *puncher)
+ ServerActiveObject *puncher, float time_from_last_punch)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
objectref_get_or_create(L, puncher); // Clicker reference
+ lua_pushnumber(L, time_from_last_punch);
// Call with 2 arguments, 0 results
- if(lua_pcall(L, 2, 0, 0))
+ if(lua_pcall(L, 3, 0, 0))
script_error(L, "error running function 'on_punch': %s\n", lua_tostring(L, -1));
}