#include "scriptapi.h"
#include <iostream>
+#include <list>
extern "C" {
#include <lua.h>
#include <lualib.h>
#include "serverobject.h"
#include "script.h"
//#include "luna.h"
+#include "luaentity_common.h"
+#include "content_sao.h" // For LuaEntitySAO
+#include "tooldef.h"
+#include "nodedef.h"
+#include "craftdef.h"
+#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)
{
}
};
+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 v3f readFloatPos(lua_State *L, int index)
+{
+ v3f pos;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ pos.X = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ pos.Y = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ 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 pushFloatPos(lua_State *L, v3f p)
+{
+ p /= BS;
+ push_v3f(L, p);
+}
+
+static void pushpos(lua_State *L, v3s16 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 v3s16 readpos(lua_State *L, int index)
+{
+ // Correct rounding at <0
+ v3f pf = readFloatPos(L, index);
+ return floatToInt(pf, BS);
+}
+
+static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
+{
+ lua_newtable(L);
+ lua_pushstring(L, ndef->get(n).name.c_str());
+ lua_setfield(L, -2, "name");
+ lua_pushnumber(L, n.getParam1());
+ lua_setfield(L, -2, "param1");
+ lua_pushnumber(L, n.getParam2());
+ lua_setfield(L, -2, "param2");
+}
+
+static MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
+{
+ lua_getfield(L, index, "name");
+ const char *name = luaL_checkstring(L, -1);
+ lua_pop(L, 1);
+ u8 param1;
+ lua_getfield(L, index, "param1");
+ if(lua_isnil(L, -1))
+ param1 = 0;
+ else
+ param1 = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ u8 param2;
+ lua_getfield(L, index, "param2");
+ if(lua_isnil(L, -1))
+ param2 = 0;
+ else
+ param2 = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return MapNode(ndef, name, param1, param2);
+}
+
+static video::SColor readARGB8(lua_State *L, int index)
+{
+ video::SColor color;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "a");
+ if(lua_isnumber(L, -1))
+ color.setAlpha(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ lua_getfield(L, index, "r");
+ color.setRed(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ lua_getfield(L, index, "g");
+ color.setGreen(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ lua_getfield(L, index, "b");
+ color.setBlue(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ 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)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isstring(L, -1)){
+ result = lua_tostring(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+static bool getintfield(lua_State *L, int table,
+ const char *fieldname, int &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isnumber(L, -1)){
+ result = lua_tonumber(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+static bool getfloatfield(lua_State *L, int table,
+ const char *fieldname, float &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isnumber(L, -1)){
+ result = lua_tonumber(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+static bool getboolfield(lua_State *L, int table,
+ const char *fieldname, bool &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isboolean(L, -1)){
+ result = lua_toboolean(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+static std::string getstringfield_default(lua_State *L, int table,
+ const char *fieldname, const std::string &default_)
+{
+ std::string result = default_;
+ getstringfield(L, table, fieldname, result);
+ return result;
+}
+
+static int getintfield_default(lua_State *L, int table,
+ const char *fieldname, int default_)
+{
+ int result = default_;
+ getintfield(L, table, fieldname, result);
+ 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_)
+{
+ bool result = default_;
+ getboolfield(L, table, fieldname, result);
+ return result;
+}
+
+struct EnumString
+{
+ int num;
+ const char *str;
+};
+
+static bool string_to_enum(const EnumString *spec, int &result,
+ const std::string &str)
+{
+ const EnumString *esp = spec;
+ while(esp->str){
+ if(str == std::string(esp->str)){
+ result = esp->num;
+ return true;
+ }
+ esp++;
+ }
+ return false;
+}
+
+/*static bool enum_to_string(const EnumString *spec, std::string &result,
+ int num)
+{
+ const EnumString *esp = spec;
+ while(esp){
+ if(num == esp->num){
+ result = esp->str;
+ return true;
+ }
+ esp++;
+ }
+ return false;
+}*/
+
+static int getenumfield(lua_State *L, int table,
+ const char *fieldname, const EnumString *spec, int default_)
+{
+ int result = default_;
+ string_to_enum(spec, result,
+ getstringfield_default(L, table, fieldname, ""));
+ 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));
+ }
+}
+
+/*
+ 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"},
+ {NDT_AIRLIKE, "airlike"},
+ {NDT_LIQUID, "liquid"},
+ {NDT_FLOWINGLIQUID, "flowingliquid"},
+ {NDT_GLASSLIKE, "glasslike"},
+ {NDT_ALLFACES, "allfaces"},
+ {NDT_ALLFACES_OPTIONAL, "allfaces_optional"},
+ {NDT_TORCHLIKE, "torchlike"},
+ {NDT_SIGNLIKE, "signlike"},
+ {NDT_PLANTLIKE, "plantlike"},
+ {NDT_FENCELIKE, "fencelike"},
+ {NDT_RAILLIKE, "raillike"},
+ {0, NULL},
+};
+
+struct EnumString es_ContentParamType[] =
+{
+ {CPT_NONE, "none"},
+ {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
+*/
+
+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)
{
- const char *name = luaL_checkstring(L, 1);
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_entity: "<<name<<std::endl;
luaL_checktype(L, 2, LUA_TTABLE);
- infostream<<"register_entity: "<<name<<std::endl;
// Get minetest.registered_entities
lua_getglobal(L, "minetest");
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);
+ lua_setfield(L, registered_entities, name.c_str());
// Get registered object to top of stack
lua_pushvalue(L, 2);
return 0; /* number of results */
}
-#if 0
-static int l_new_entity(lua_State *L)
+class LuaABM : public ActiveBlockModifier
{
- /* o = o or {}
- setmetatable(o, self)
- self.__index = self
- return o */
- if(lua_isnil(L, -1))
- lua_newtable(L);
- luaL_checktype(L, -1, LUA_TTABLE);
- luaL_getmetatable(L, "minetest.entity");
- lua_pushvalue(L, -1); // duplicate metatable
- lua_setfield(L, -2, "__index");
- lua_setmetatable(L, -2);
- // return table
- return 1;
-}
-#endif
+private:
+ lua_State *m_lua;
+ int m_id;
-static const struct luaL_Reg minetest_f [] = {
- {"register_entity", l_register_entity},
- //{"new_entity", l_new_entity},
- {NULL, NULL}
+ 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);
+ pushpos(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));
+ }
};
-static int l_entity_set_deleted(lua_State *L)
+// register_abm({...})
+static int l_register_abm(lua_State *L)
{
- return 0;
+ //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 */
}
-static const struct luaL_Reg minetest_entity_m [] = {
- {"set_deleted", l_entity_set_deleted},
- {NULL, NULL}
-};
+// 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 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 = read_tool_definition(L, table);
-/*
- Reference objects
-*/
-#define method(class, name) {#name, class::l_##name}
+ tooldef->registerTool(name, def);
+ return 0; /* number of results */
+}
-class EnvRef
+// register_craftitem(name, {lots of stuff})
+static int l_register_craftitem(lua_State *L)
{
-private:
- ServerEnvironment *m_env;
+ 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 server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable CraftItem definition manager from the server
+ IWritableCraftItemDefManager *craftitemdef =
+ server->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 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();
+
+ // 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 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();
+
+ nodedef->setAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
+
+// 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 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();
+
+ 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 server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable CraftItem definition manager from the server
+ IWritableCraftItemDefManager *craftitemdef =
+ server->getWritableCraftItemDefManager();
+
+ craftitemdef->setAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
+
+// 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;
+
+ // 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();
+
+ 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){
+ 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++;
+ }
+ }
+ lua_pop(L, 1);
+
+ CraftDefinition def(output, width, input);
+ craftdef->registerCraft(def);
+
+ return 0; /* number of results */
+}
+
+// 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;
+}
+
+// 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;
+}
+
+// chat_send_all(text)
+static int l_chat_send_all(lua_State *L)
+{
+ const char *text = luaL_checkstring(L, 1);
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // Send
+ server->notifyPlayers(narrow_to_wide(text));
+ return 0;
+}
+
+// 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
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // 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
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // 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());
+ }
+ lua_pushvalue(L, table);
+ 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_modpath", l_get_modpath},
+ {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
+}
+
+/*
+ Reference wrappers
+*/
+
+#define method(class, name) {#name, class::l_##name}
+
+/*
+ NodeMetaRef
+*/
+
+class NodeMetaRef
+{
+private:
+ v3s16 m_p;
+ ServerEnvironment *m_env;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ 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 *(NodeMetaRef**)ud; // unbox pointer
+ }
+
+ static NodeMetadata* getmeta(NodeMetaRef *ref)
+ {
+ NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
+ return meta;
+ }
+
+ /*static IGenericNodeMetadata* getgenericmeta(NodeMetaRef *ref)
+ {
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL)
+ return NULL;
+ if(meta->typeId() != NODEMETA_GENERIC)
+ return NULL;
+ 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) {
+ NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+ // get_type(self)
+ static int l_get_type(lua_State *L)
+ {
+ 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;
+ }
+
+ // get_text(self)
+ static int l_get_text(lua_State *L)
+ {
+ 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 */
+
+ // set_infotext(self, text)
+ static int l_set_infotext(lua_State *L)
+ {
+ infostream<<__FUNCTION_NAME<<std::endl;
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string text = luaL_checkstring(L, 2);
+ meta->setInfoText(text);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // inventory_set_list(self, name, {item1, item2, ...})
+ static int l_inventory_set_list(lua_State *L)
+ {
+ 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;
+ }
+
+ // inventory_get_list(self, name)
+ static int l_inventory_get_list(lua_State *L)
+ {
+ 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, inventory_set_list),
+ method(NodeMetaRef, inventory_get_list),
+ 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 = readFloatPos(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 = readFloatPos(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 = readFloatPos(L, 2);
+ // Do it
+ co->setVelocity(pos);
+ return 0;
+ }
+
+ // 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 = readFloatPos(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;
+ }
+
+ // 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;
+ }
+
+ /* 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;
+ }
+
+ // inventory_set_list(self, name, {item1, item2, ...})
+ static int l_inventory_set_list(lua_State *L)
+ {
+ 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;
+ }
+
+ // inventory_get_list(self, name)
+ static int l_inventory_get_list(lua_State *L)
+ {
+ 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;
+ }
- static const char className[];
- static const luaL_reg methods[];
+ // 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();
+ if(item0 == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ if(std::string("MaterialItem") == item0->getName()){
+ MaterialItem *item = (MaterialItem*)item0;
+ lua_newtable(L);
+ lua_pushstring(L, "NodeItem");
+ 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, "CraftItem");
+ 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, "ToolItem");
+ 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<<"l_get_wielded_item: Unknown item name: \""
+ <<item0->getName()<<"\""<<std::endl;
+ lua_pushnil(L);
+ }
+ return 1;
+ }
- static EnvRef *checkobject(lua_State *L, int narg)
+ // get_look_dir(self)
+ static int l_get_look_dir(lua_State *L)
{
- 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
+ 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;
}
-
- // Exported functions
- // EnvRef:add_node(pos, content)
- // pos = {x=num, y=num, z=num}
- // content = number
- static int l_add_node(lua_State *L)
+ // get_look_pitch(self)
+ static int l_get_look_pitch(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;
- lua_pushvalue(L, 2); // Push pos
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, "x");
- pos.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, -1, "y");
- pos.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, -1, "z");
- pos.Z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_pop(L, 1); // Pop pos
- // content
- u16 content = 0;
- lua_pushvalue(L, 3); // Push content
- content = lua_tonumber(L, -1);
- lua_pop(L, 1); // Pop content
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
// Do it
- env->getMap().addNodeWithEvent(pos, MapNode(content));
- return 0;
+ lua_pushnumber(L, player->getRadPitch());
+ return 1;
}
- static int gc_object(lua_State *L) {
- EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
+ // 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:
- EnvRef(ServerEnvironment *env):
- m_env(env)
+ ObjectRef(ServerActiveObject *object):
+ m_object(object)
{
- infostream<<"EnvRef created"<<std::endl;
+ //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
}
- ~EnvRef()
+ ~ObjectRef()
{
- infostream<<"EnvRef destructing"<<std::endl;
+ /*if(m_object)
+ infostream<<"ObjectRef destructing for id="
+ <<m_object->getId()<<std::endl;
+ else
+ infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
}
- // Creates an EnvRef and leaves it on top of stack
+ // 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, ServerEnvironment *env)
+ static void create(lua_State *L, ServerActiveObject *object)
{
- EnvRef *o = new EnvRef(env);
- //infostream<<"EnvRef::create: o="<<o<<std::endl;
+ 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)
{
- EnvRef *o = checkobject(L, -1);
- o->m_env = NULL;
+ ObjectRef *o = checkobject(L, -1);
+ o->m_object = NULL;
}
static void Register(lua_State *L)
//lua_register(L, className, create_object);
}
};
-const char EnvRef::className[] = "EnvRef";
-const luaL_reg EnvRef::methods[] = {
- method(EnvRef, add_node),
+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, setacceleration),
+ method(ObjectRef, getacceleration),
+ method(ObjectRef, settexturemod),
+ method(ObjectRef, setsprite),
+ // Player-only
+ method(ObjectRef, get_player_name),
+ method(ObjectRef, inventory_set_list),
+ method(ObjectRef, inventory_get_list),
+ 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}
};
-class ObjectRef
+// 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:
- ServerActiveObject *m_object;
+ ServerEnvironment *m_env;
static const char className[];
static const luaL_reg methods[];
- static ObjectRef *checkobject(lua_State *L, int narg)
+ 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 *(ObjectRef**)ud; // unbox pointer
+ return *(EnvRef**)ud; // unbox pointer
}
// Exported functions
- static int l_remove(lua_State *L)
+ // EnvRef:add_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_node(lua_State *L)
{
- ObjectRef *o = checkobject(L, 1);
- ServerActiveObject *co = o->m_object;
- if(co == NULL) return 0;
- infostream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
- co->m_removed = true;
+ //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);
+ 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 = readpos(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 = readpos(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 = readpos(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 = readpos(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 = readFloatPos(L, 2);
+ // content
+ const char *name = luaL_checkstring(L, 3);
+ // Do it
+ ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
+ env->addActiveObject(obj);
return 0;
}
- static int l_getpos(lua_State *L)
+ // EnvRef:add_item(pos, inventorystring)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_item(lua_State *L)
{
- ObjectRef *o = checkobject(L, 1);
- ServerActiveObject *co = o->m_object;
- if(co == NULL) return 0;
- infostream<<"ObjectRef::l_getpos(): id="<<co->getId()<<std::endl;
- v3f pos = co->getBasePosition() / BS;
+ 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 = readFloatPos(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 = readFloatPos(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 = readFloatPos(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 = readpos(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 = readFloatPos(L, 2);
+ float radius = luaL_checknumber(L, 3) * BS;
+ std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
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");
+ 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) {
- //ObjectRef *o = checkobject(L, 1);
- ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
- //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
+ EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
delete o;
return 0;
}
public:
- ObjectRef(ServerActiveObject *object):
- m_object(object)
+ EnvRef(ServerEnvironment *env):
+ m_env(env)
{
- //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
+ infostream<<"EnvRef created"<<std::endl;
}
- ~ObjectRef()
+ ~EnvRef()
{
- /*if(m_object)
- infostream<<"ObjectRef destructing for id="
- <<m_object->getId()<<std::endl;
- else
- infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
+ infostream<<"EnvRef destructing"<<std::endl;
}
- // Creates an ObjectRef and leaves it on top of stack
+ // 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, ServerActiveObject *object)
+ static void create(lua_State *L, ServerEnvironment *env)
{
- ObjectRef *o = new ObjectRef(object);
- //infostream<<"ObjectRef::create: o="<<o<<std::endl;
+ 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)
{
- ObjectRef *o = checkobject(L, -1);
- o->m_object = NULL;
+ EnvRef *o = checkobject(L, -1);
+ o->m_env = NULL;
}
static void Register(lua_State *L)
//lua_register(L, className, create_object);
}
};
-const char ObjectRef::className[] = "ObjectRef";
-const luaL_reg ObjectRef::methods[] = {
- method(ObjectRef, remove),
- method(ObjectRef, getpos),
+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}
};
realitycheck(L);
assert(lua_checkstack(L, 20));
infostream<<"scriptapi_export"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // 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);
// Get the main minetest table
lua_getglobal(L, "minetest");
- // Add registered_entities table in minetest
+ // Add tables to minetest
+
+ lua_newtable(L);
+ lua_setfield(L, -2, "registered_nodes");
lua_newtable(L);
lua_setfield(L, -2, "registered_entities");
-
- // Add object_refs table in minetest
+ lua_newtable(L);
+ lua_setfield(L, -2, "registered_craftitems");
+ lua_newtable(L);
+ lua_setfield(L, -2, "registered_abms");
+
lua_newtable(L);
lua_setfield(L, -2, "object_refs");
-
- // Add luaentities table in minetest
lua_newtable(L);
lua_setfield(L, -2, "luaentities");
-
- // Load and run some base Lua stuff
- /*script_load(L, (porting::path_data + DIR_DELIM + "scripts"
- + DIR_DELIM + "base.lua").c_str());*/
-
- // Create entity reference metatable
- //luaL_newmetatable(L, "minetest.entity_reference");
- //lua_pop(L, 1);
-
+
// Create entity prototype
luaL_newmetatable(L, "minetest.entity");
// metatable.__index = metatable
// Put functions in metatable
luaL_register(L, NULL, minetest_entity_m);
// Put other stuff in metatable
-
- // Environment C reference
+
+ // Register reference wrappers
+ NodeMetaRef::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)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
infostream<<"scriptapi_add_environment"<<std::endl;
+ StackUnroller stack_unroller(L);
// Create EnvRef on stack
EnvRef::create(L, 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);
- // pop minetest and envref
- lua_pop(L, 2);
+ 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
// Dump stack top with the dump2 function
static void dump2(lua_State *L, const char *name)
{
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
/*
object_reference
{
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
ObjectRef::create(L, cobj); // Puts ObjectRef (as userdata) on stack
lua_pushnumber(L, cobj->getId()); // Push id
lua_pushvalue(L, object); // Copy object to top of stack
lua_settable(L, objectstable);
-
- // pop object_refs, minetest and the object
- lua_pop(L, 3);
}
void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj)
{
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_getglobal(L, "minetest");
lua_pushnumber(L, cobj->getId()); // Push id
lua_pushnil(L);
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");
+ pushpos(L, pointed.node_undersurface);
+ lua_setfield(L, -2, "under");
+ pushpos(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
+*/
+
+void scriptapi_environment_step(lua_State *L, float dtime)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_environment_step"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_globalsteps
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_globalsteps");
+ 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_pushnumber(L, dtime);
+ if(lua_pcall(L, 1, 0, 0))
+ 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,
+ 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
+ IWritableNodeDefManager *ndef =
+ server->getWritableNodeDefManager();
- // pop object_refs, minetest
- lua_pop(L, 2);
+ // Get minetest.registered_on_placenodes
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_placenodes");
+ 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
+ pushpos(L, p);
+ pushnode(L, newnode, ndef);
+ 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
+ }
}
-static void objectref_get(lua_State *L, u16 id)
+void scriptapi_environment_on_dignode(lua_State *L, v3s16 p, MapNode oldnode,
+ ServerActiveObject *digger)
{
- // Get minetest.object_refs[i]
+ 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
+ IWritableNodeDefManager *ndef =
+ server->getWritableNodeDefManager();
+
+ // Get minetest.registered_on_dignodes
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "object_refs");
+ lua_getfield(L, -1, "registered_on_dignodes");
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
+ 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
+ pushpos(L, p);
+ pushnode(L, oldnode, ndef);
+ 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 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
+ IWritableNodeDefManager *ndef =
+ server->getWritableNodeDefManager();
+
+ // Get minetest.registered_on_punchnodes
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_punchnodes");
+ 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
+ pushpos(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
+ pushpos(L, minp);
+ pushpos(L, maxp);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
}
/*
luaentity
*/
-void scriptapi_luaentity_add(lua_State *L, u16 id, const char *name,
- const char *init_state)
+bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name,
+ const std::string &staticdata)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
<<name<<"\""<<std::endl;
StackUnroller stack_unroller(L);
- // Create object as a dummy string (TODO: Create properly)
-
// Get minetest.registered_entities[name]
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_entities");
lua_pushstring(L, name);
lua_gettable(L, -2);
// Should be a table, which we will use as a prototype
- luaL_checktype(L, -1, LUA_TTABLE);
+ //luaL_checktype(L, -1, LUA_TTABLE);
+ if(lua_type(L, -1) != LUA_TTABLE){
+ errorstream<<"LuaEntity name \""<<name<<"\" not defined"<<std::endl;
+ return false;
+ }
int prototype_table = lua_gettop(L);
//dump2(L, "prototype_table");
luaL_typerror(L, -1, "ObjectRef");
lua_setfield(L, -2, "object");
- // Get minetest.luaentities table
+ // minetest.luaentities[id] = object
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "luaentities");
luaL_checktype(L, -1, LUA_TTABLE);
- int luaentities = lua_gettop(L);
-
- // luaentities[id] = object
lua_pushnumber(L, id); // Push id
lua_pushvalue(L, object); // Copy object to top of stack
- lua_settable(L, luaentities);
+ lua_settable(L, -3);
+
+ // Get on_activate function
+ lua_pushvalue(L, object);
+ lua_getfield(L, -1, "on_activate");
+ if(!lua_isnil(L, -1)){
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, object); // self
+ lua_pushlstring(L, staticdata.c_str(), staticdata.size());
+ // Call with 2 arguments, 0 results
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error running function %s:on_activate: %s\n",
+ name, lua_tostring(L, -1));
+ }
+
+ return true;
}
void scriptapi_luaentity_rm(lua_State *L, u16 id)
lua_pop(L, 2); // pop luaentities, minetest
}
-static void luaentity_get(lua_State *L, u16 id)
+std::string scriptapi_luaentity_get_staticdata(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
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ int object = lua_gettop(L);
+
+ // Get get_staticdata function
+ lua_pushvalue(L, object);
+ lua_getfield(L, -1, "get_staticdata");
+ if(lua_isnil(L, -1))
+ return "";
+
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, object); // self
+ // Call with 1 arguments, 1 results
+ if(lua_pcall(L, 1, 1, 0))
+ script_error(L, "error running function get_staticdata: %s\n",
+ lua_tostring(L, -1));
+
+ size_t len=0;
+ const char *s = lua_tolstring(L, -1, &len);
+ return std::string(s, len);
}
-std::string scriptapi_luaentity_get_state(lua_State *L, u16 id)
+void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
+ LuaEntityProperties *prop)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_luaentity_get_state: id="<<id<<std::endl;
+ infostream<<"scriptapi_luaentity_get_properties: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ //int object = lua_gettop(L);
+
+ /* Read stuff */
+
+ getboolfield(L, -1, "physical", prop->physical);
+
+ getfloatfield(L, -1, "weight", prop->weight);
+
+ lua_getfield(L, -1, "collisionbox");
+ if(lua_istable(L, -1))
+ prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
+ 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();
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ if(lua_isstring(L, -1))
+ prop->textures.push_back(lua_tostring(L, -1));
+ else
+ prop->textures.push_back("");
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
- return "";
+ 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)
// State: object is at top of stack
// Get step function
lua_getfield(L, -1, "on_step");
+ if(lua_isnil(L, -1))
+ return;
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
lua_pushnumber(L, dtime); // dtime
// Call with 2 arguments, 0 results
if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error running function 'step': %s\n", lua_tostring(L, -1));
+ script_error(L, "error running function 'on_step': %s\n", lua_tostring(L, -1));
}
-void scriptapi_luaentity_rightclick_player(lua_State *L, u16 id,
- const char *playername)
+// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch)
+void scriptapi_luaentity_punch(lua_State *L, u16 id,
+ ServerActiveObject *puncher, float time_from_last_punch)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
luaentity_get(L, id);
int object = lua_gettop(L);
// State: object is at top of stack
- // Get step function
+ // Get function
+ lua_getfield(L, -1, "on_punch");
+ if(lua_isnil(L, -1))
+ return;
+ 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, 3, 0, 0))
+ script_error(L, "error running function 'on_punch': %s\n", lua_tostring(L, -1));
+}
+
+// Calls entity:on_rightclick(ObjectRef clicker)
+void scriptapi_luaentity_rightclick(lua_State *L, u16 id,
+ ServerActiveObject *clicker)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ int object = lua_gettop(L);
+ // State: object is at top of stack
+ // Get function
lua_getfield(L, -1, "on_rightclick");
+ if(lua_isnil(L, -1))
+ return;
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
- // Call with 1 arguments, 0 results
- if(lua_pcall(L, 1, 0, 0))
- script_error(L, "error running function 'step': %s\n", lua_tostring(L, -1));
+ objectref_get_or_create(L, clicker); // Clicker reference
+ // Call with 2 arguments, 0 results
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error running function 'on_rightclick': %s\n", lua_tostring(L, -1));
}