#include "scriptapi.h"
#include <iostream>
+#include <list>
extern "C" {
#include <lua.h>
#include <lualib.h>
//#include "luna.h"
#include "luaentity_common.h"
#include "content_sao.h" // For LuaEntitySAO
-#include "tooldef.h"
-
-/*
-TODO:
-- Node definition
-- Random node triggers (like grass growth)
-- Deterministic node triggers (like falling sand)
-- Object visual client-side stuff
- - Blink effect
- - Spritesheets and animation
-- LuaNodeMetadata
- blockdef.has_metadata = true/false
- - Stores an inventory and stuff in a Settings object
- meta.inventory_add_list("main")
- blockdef.on_inventory_modified
- meta.set("owner", playername)
- meta.get("owner")
-- Item definition (actually, only CraftItem)
-*/
+#include "itemdef.h"
+#include "nodedef.h"
+#include "craftdef.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)
{
}
};
-v3f readFloatPos(lua_State *L, int index)
+class ModNameStorer
{
- v3f pos;
- lua_pushvalue(L, index); // 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
- pos *= BS; // Scale to internal format
- return pos;
-}
+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");
+ }
+};
/*
- Global functions
+ Getters for stuff in main tables
*/
-// Register new object prototype
-// register_entity(name, prototype)
-static int l_register_entity(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- infostream<<"register_entity: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
-
- // Get minetest.registered_entities
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_entities");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_entities = lua_gettop(L);
- lua_pushvalue(L, 2); // Object = param 2 -> stack top
- // registered_entities[name] = object
- lua_setfield(L, registered_entities, name);
-
- // Get registered object to top of stack
- lua_pushvalue(L, 2);
-
- // Set __index to point to itself
- lua_pushvalue(L, -1);
- lua_setfield(L, -2, "__index");
-
- // Set metatable.__index = metatable
- luaL_getmetatable(L, "minetest.entity");
- lua_pushvalue(L, -1); // duplicate metatable
- lua_setfield(L, -2, "__index");
- // Set object metatable
- lua_setmetatable(L, -2);
-
- return 0; /* number of results */
-}
-
-// Register a global step function
-// register_globalstep(function)
-static int l_register_globalstep(lua_State *L)
-{
- luaL_checktype(L, 1, LUA_TFUNCTION);
- infostream<<"register_globalstep"<<std::endl;
-
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- // Get minetest.registered_globalsteps
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_globalsteps");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_globalsteps = lua_gettop(L);
- // table.insert(registered_globalsteps, func)
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, registered_globalsteps);
- lua_pushvalue(L, 1); // push function from argument 1
- // Call insert
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
-
- return 0; /* number of results */
-}
-
-#if 0
-// Clear all registered tools
-// deregister_tools()
-static int l_deregister_tools(lua_State *L)
+static Server* get_server(lua_State *L)
{
- infostream<<"deregister_tools"<<std::endl;
-
// 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->clear();
-
- return 0; /* number of results */
+ lua_pop(L, 1);
+ return server;
}
-#endif
-// register_tool(name, {lots of stuff})
-static int l_register_tool(lua_State *L)
+static ServerEnvironment* get_env(lua_State *L)
{
- const char *name = luaL_checkstring(L, 1);
- infostream<<"register_tool: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
-
- // 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();
-
- int table = 2;
-
- ToolDefinition def;
-
- lua_getfield(L, table, "image");
- if(lua_isstring(L, -1))
- def.imagename = lua_tostring(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "basetime");
- def.properties.basetime = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "dt_weight");
- def.properties.dt_weight = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "dt_crackiness");
- def.properties.dt_crackiness = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "dt_crumbliness");
- def.properties.dt_crumbliness = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "dt_cuttability");
- def.properties.dt_cuttability = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "basedurability");
- def.properties.basedurability = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "dd_weight");
- def.properties.dd_weight = lua_tonumber(L, -1);
+ // Get environment from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_env");
+ ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
lua_pop(L, 1);
-
- lua_getfield(L, table, "dd_crackiness");
- def.properties.dd_crackiness = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "dd_crumbliness");
- def.properties.dd_crumbliness = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "dd_cuttability");
- def.properties.dd_cuttability = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- tooldef->registerTool(name, def);
-
- return 0; /* number of results */
+ return env;
}
-static const struct luaL_Reg minetest_f [] = {
- {"register_entity", l_register_entity},
- {"register_globalstep", l_register_globalstep},
- //{"deregister_tools", l_deregister_tools},
- {"register_tool", l_register_tool},
- {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]
}
/*
- Reference objects
+ Table field getters
*/
-#define method(class, name) {#name, class::l_##name}
-class EnvRef
+static bool getstringfield(lua_State *L, int table,
+ const char *fieldname, std::string &result)
{
-private:
- ServerEnvironment *m_env;
-
- static const char className[];
- static const luaL_reg methods[];
-
- static EnvRef *checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(EnvRef**)ud; // unbox pointer
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isstring(L, -1)){
+ size_t len = 0;
+ const char *ptr = lua_tolstring(L, -1, &len);
+ result.assign(ptr, len);
+ got = true;
}
-
- // Exported functions
+ lua_pop(L, 1);
+ return got;
+}
- // EnvRef:add_node(pos, content)
- // pos = {x=num, y=num, z=num}
- // content = number
- static int l_add_node(lua_State *L)
- {
- infostream<<"EnvRef::l_add_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos;
- 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
- // Do it
- env->getMap().addNodeWithEvent(pos, MapNode(content));
- return 0;
+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 int gc_object(lua_State *L) {
- EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
+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;
+}
-public:
- EnvRef(ServerEnvironment *env):
- m_env(env)
- {
- infostream<<"EnvRef created"<<std::endl;
+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;
+}
- ~EnvRef()
- {
- infostream<<"EnvRef destructing"<<std::endl;
+static std::string checkstringfield(lua_State *L, int table,
+ const char *fieldname)
+{
+ lua_getfield(L, table, fieldname);
+ std::string s = luaL_checkstring(L, -1);
+ lua_pop(L, 1);
+ return s;
+}
+
+static std::string getstringfield_default(lua_State *L, int table,
+ const char *fieldname, const std::string &default_)
+{
+ 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;
+}
- // Creates an EnvRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, ServerEnvironment *env)
- {
- EnvRef *o = new EnvRef(env);
- //infostream<<"EnvRef::create: o="<<o<<std::endl;
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
+/*static 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 void set_null(lua_State *L)
- {
- EnvRef *o = checkobject(L, -1);
- o->m_env = NULL;
+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 setintfield(lua_State *L, int table,
+ const char *fieldname, int value)
+{
+ lua_pushinteger(L, value);
+ if(table < 0)
+ table -= 1;
+ lua_setfield(L, table, fieldname);
+}
+
+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 setboolfield(lua_State *L, int table,
+ const char *fieldname, bool value)
+{
+ lua_pushboolean(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;
}
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
+ lua_pop(L, 1);
+}
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+/*
+ EnumString definitions
+*/
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
+struct EnumString es_ItemType[] =
+{
+ {ITEM_NONE, "none"},
+ {ITEM_NODE, "node"},
+ {ITEM_CRAFT, "craft"},
+ {ITEM_TOOL, "tool"},
+ {0, NULL},
+};
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
+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},
+};
- lua_pop(L, 1); // drop metatable
+struct EnumString es_ContentParamType[] =
+{
+ {CPT_NONE, "none"},
+ {CPT_LIGHT, "light"},
+ {0, NULL},
+};
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
+struct EnumString es_ContentParamType2[] =
+{
+ {CPT2_NONE, "none"},
+ {CPT2_FULL, "full"},
+ {CPT2_FLOWINGLIQUID, "flowingliquid"},
+ {CPT2_FACEDIR, "facedir"},
+ {CPT2_WALLMOUNTED, "wallmounted"},
+ {0, NULL},
+};
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
- }
+struct EnumString es_LiquidType[] =
+{
+ {LIQUID_NONE, "none"},
+ {LIQUID_FLOWING, "flowing"},
+ {LIQUID_SOURCE, "source"},
+ {0, NULL},
};
-const char EnvRef::className[] = "EnvRef";
-const luaL_reg EnvRef::methods[] = {
- method(EnvRef, add_node),
- {0,0}
+
+struct EnumString es_NodeBoxType[] =
+{
+ {NODEBOX_REGULAR, "regular"},
+ {NODEBOX_FIXED, "fixed"},
+ {NODEBOX_WALLMOUNTED, "wallmounted"},
+ {0, NULL},
};
-class ObjectRef
+struct EnumString es_Diggability[] =
{
-private:
- ServerActiveObject *m_object;
+ {DIGGABLE_NOT, "not"},
+ {DIGGABLE_NORMAL, "normal"},
+ {DIGGABLE_CONSTANT, "constant"},
+ {0, NULL},
+};
- static const char className[];
- static const luaL_reg methods[];
+/*
+ C struct <-> Lua table converter functions
+*/
- static ObjectRef *checkobject(lua_State *L, int narg)
+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 read_v3f(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);
+ return pos;
+}
+
+static v3f check_v3f(lua_State *L, int index)
+{
+ v3f pos;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ pos.X = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ pos.Y = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "z");
+ pos.Z = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ return pos;
+}
+
+static void pushFloatPos(lua_State *L, v3f p)
+{
+ p /= BS;
+ push_v3f(L, p);
+}
+
+static v3f checkFloatPos(lua_State *L, int index)
+{
+ return check_v3f(L, index) * BS;
+}
+
+static void push_v3s16(lua_State *L, v3s16 p)
+{
+ lua_newtable(L);
+ lua_pushnumber(L, p.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, p.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, p.Z);
+ lua_setfield(L, -2, "z");
+}
+
+static v3s16 read_v3s16(lua_State *L, int index)
+{
+ // Correct rounding at <0
+ v3f pf = read_v3f(L, index);
+ return floatToInt(pf, 1.0);
+}
+
+static v3s16 check_v3s16(lua_State *L, int index)
+{
+ // Correct rounding at <0
+ v3f pf = check_v3f(L, index);
+ return floatToInt(pf, 1.0);
+}
+
+static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
+{
+ 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;
+}
+
+/*
+ MaterialProperties
+*/
+
+static MaterialProperties read_material_properties(
+ lua_State *L, int table)
+{
+ MaterialProperties prop;
+ prop.diggability = (Diggability)getenumfield(L, -1, "diggability",
+ es_Diggability, DIGGABLE_NORMAL);
+ getfloatfield(L, -1, "constant_time", prop.constant_time);
+ getfloatfield(L, -1, "weight", prop.weight);
+ getfloatfield(L, -1, "crackiness", prop.crackiness);
+ getfloatfield(L, -1, "crumbliness", prop.crumbliness);
+ getfloatfield(L, -1, "cuttability", prop.cuttability);
+ getfloatfield(L, -1, "flammability", prop.flammability);
+ return prop;
+}
+
+/*
+ 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);
+}
+
+/*
+ DiggingProperties
+*/
+
+static void set_digging_properties(lua_State *L, int table,
+ const DiggingProperties &prop)
+{
+ setboolfield(L, table, "diggable", prop.diggable);
+ setfloatfield(L, table, "time", prop.time);
+ setintfield(L, table, "wear", prop.wear);
+}
+
+static void push_digging_properties(lua_State *L,
+ const DiggingProperties &prop)
+{
+ lua_newtable(L);
+ set_digging_properties(L, -1, prop);
+}
+
+/*
+ HittingProperties
+*/
+
+static void set_hitting_properties(lua_State *L, int table,
+ const HittingProperties &prop)
+{
+ setintfield(L, table, "hp", prop.hp);
+ setintfield(L, table, "wear", prop.wear);
+}
+
+static void push_hitting_properties(lua_State *L,
+ const HittingProperties &prop)
+{
+ lua_newtable(L);
+ set_hitting_properties(L, -1, prop);
+}
+
+/*
+ PointedThing
+*/
+
+static void push_pointed_thing(lua_State *L, const PointedThing& pointed)
+{
+ lua_newtable(L);
+ if(pointed.type == POINTEDTHING_NODE)
+ {
+ lua_pushstring(L, "node");
+ lua_setfield(L, -2, "type");
+ push_v3s16(L, pointed.node_undersurface);
+ lua_setfield(L, -2, "under");
+ push_v3s16(L, pointed.node_abovesurface);
+ lua_setfield(L, -2, "above");
+ }
+ else if(pointed.type == POINTEDTHING_OBJECT)
+ {
+ lua_pushstring(L, "object");
+ lua_setfield(L, -2, "type");
+ objectref_get(L, pointed.object_id);
+ lua_setfield(L, -2, "ref");
+ }
+ else
+ {
+ lua_pushstring(L, "nothing");
+ lua_setfield(L, -2, "type");
+ }
+}
+
+/*
+ ItemDefinition
+*/
+
+static ItemDefinition read_item_definition(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ // Read the item definition
+ ItemDefinition def;
+
+ def.type = (ItemType)getenumfield(L, index, "type",
+ es_ItemType, ITEM_NONE);
+ getstringfield(L, index, "name", def.name);
+ getstringfield(L, index, "description", def.description);
+ getstringfield(L, index, "inventory_image", def.inventory_image);
+ getstringfield(L, index, "wield_image", def.wield_image);
+
+ lua_getfield(L, index, "wield_scale");
+ if(lua_istable(L, -1)){
+ def.wield_scale = check_v3f(L, -1);
+ }
+ lua_pop(L, 1);
+
+ def.stack_max = getintfield_default(L, index, "stack_max", def.stack_max);
+ if(def.stack_max == 0)
+ def.stack_max = 1;
+
+ lua_getfield(L, index, "on_use");
+ def.usable = lua_isfunction(L, -1);
+ lua_pop(L, 1);
+
+ getboolfield(L, index, "liquids_pointable", def.liquids_pointable);
+
+ lua_getfield(L, index, "tool_digging_properties");
+ if(lua_istable(L, -1)){
+ def.tool_digging_properties = new ToolDiggingProperties(
+ read_tool_digging_properties(L, -1));
+ }
+ lua_pop(L, 1);
+
+ // If name is "" (hand), ensure there are ToolDiggingProperties
+ // because it will be looked up there whenever any other item has
+ // no ToolDiggingProperties
+ if(def.name == "" && def.tool_digging_properties == NULL){
+ def.tool_digging_properties = new ToolDiggingProperties();
+ }
+
+ return def;
+}
+
+/*
+ ContentFeatures
+*/
+
+static ContentFeatures read_content_features(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ ContentFeatures f;
+ getstringfield(L, index, "name", f.name);
+
+ /* Visual definition */
+
+ f.drawtype = (NodeDrawType)getenumfield(L, index, "drawtype", es_DrawType,
+ NDT_NORMAL);
+ getfloatfield(L, index, "visual_scale", f.visual_scale);
+
+ lua_getfield(L, index, "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);
+
+ lua_getfield(L, index, "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.mspec_special[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, index, "alpha", 255);
+
+ /* Other stuff */
+
+ lua_getfield(L, index, "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, index, "paramtype",
+ es_ContentParamType, CPT_NONE);
+ f.param_type_2 = (ContentParamType2)getenumfield(L, index, "paramtype2",
+ es_ContentParamType2, CPT2_NONE);
+
+ // Warn about some deprecated fields
+ warn_if_field_exists(L, index, "wall_mounted",
+ "deprecated: use paramtype2 = 'wallmounted'");
+ warn_if_field_exists(L, index, "light_propagates",
+ "deprecated: determined from paramtype");
+ warn_if_field_exists(L, index, "dug_item",
+ "deprecated: use 'drops' field");
+ warn_if_field_exists(L, index, "extra_dug_item",
+ "deprecated: use 'drops' field");
+ warn_if_field_exists(L, index, "extra_dug_item_rarity",
+ "deprecated: use 'drops' field");
+
+ // True for all ground-like things like stone and mud, false for eg. trees
+ getboolfield(L, index, "is_ground_content", f.is_ground_content);
+ f.light_propagates = (f.param_type == CPT_LIGHT);
+ getboolfield(L, index, "sunlight_propagates", f.sunlight_propagates);
+ // This is used for collision detection.
+ // Also for general solidness queries.
+ getboolfield(L, index, "walkable", f.walkable);
+ // Player can point to these
+ getboolfield(L, index, "pointable", f.pointable);
+ // Player can dig these
+ getboolfield(L, index, "diggable", f.diggable);
+ // Player can climb these
+ getboolfield(L, index, "climbable", f.climbable);
+ // Player can build on these
+ getboolfield(L, index, "buildable_to", f.buildable_to);
+ // Metadata name of node (eg. "furnace")
+ getstringfield(L, index, "metadata_name", f.metadata_name);
+ // Whether the node is non-liquid, source liquid or flowing liquid
+ f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
+ es_LiquidType, LIQUID_NONE);
+ // If the content is liquid, this is the flowing version of the liquid.
+ getstringfield(L, index, "liquid_alternative_flowing",
+ f.liquid_alternative_flowing);
+ // If the content is liquid, this is the source version of the liquid.
+ getstringfield(L, index, "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, index,
+ "liquid_viscosity", f.liquid_viscosity);
+ // Amount of light the node emits
+ f.light_source = getintfield_default(L, index,
+ "light_source", f.light_source);
+ f.damage_per_second = getintfield_default(L, index,
+ "damage_per_second", f.damage_per_second);
+
+ lua_getfield(L, index, "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, index, "material");
+ if(lua_istable(L, -1)){
+ f.material = read_material_properties(L, -1);
+ }
+ lua_pop(L, 1);
+
+ // Set to true if paramtype used to be 'facedir_simple'
+ getboolfield(L, index, "legacy_facedir_simple", f.legacy_facedir_simple);
+ // Set to true if wall_mounted used to be set to true
+ getboolfield(L, index, "legacy_wallmounted", f.legacy_wallmounted);
+
+ return f;
+}
+
+/*
+ Inventory stuff
+*/
+
+static ItemStack read_item(lua_State *L, int index);
+
+static void inventory_set_list_from_lua(Inventory *inv, const char *name,
+ lua_State *L, int tableindex, int forcesize=-1)
+{
+ dstream<<"inventory_set_list_from_lua\n";
+ 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::vector<ItemStack> items;
+ luaL_checktype(L, tableindex, LUA_TTABLE);
+ lua_pushnil(L);
+ while(lua_next(L, tableindex) != 0){
+ // key at index -2 and value at index -1
+ items.push_back(read_item(L, -1));
+ // 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::vector<ItemStack>::const_iterator
+ i = items.begin(); i != items.end(); i++){
+ if(forcesize != -1 && index == forcesize)
+ break;
+ invlist->changeItem(index, *i);
+ index++;
+ }
+ while(forcesize != -1 && index < forcesize){
+ invlist->deleteItem(index);
+ index++;
+ }
+ dstream<<"inventory_set_list_from_lua done\n";
+}
+
+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++){
+ ItemStack item = invlist->getItem(i);
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ lua_pushstring(L, item.getItemString().c_str());
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+}
+
+/*
+ Helpful macros for userdata classes
+*/
+
+#define method(class, name) {#name, class::l_##name}
+
+/*
+ LuaItemStack
+*/
+
+class LuaItemStack
+{
+private:
+ ItemStack m_stack;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L)
+ {
+ LuaItemStack *o = *(LuaItemStack **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+ // is_empty(self) -> true/false
+ static int l_is_empty(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushboolean(L, item.empty());
+ return 1;
+ }
+
+ // get_name(self) -> string
+ static int l_get_name(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushstring(L, item.name.c_str());
+ return 1;
+ }
+
+ // get_count(self) -> number
+ static int l_get_count(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.count);
+ return 1;
+ }
+
+ // get_wear(self) -> number
+ static int l_get_wear(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.wear);
+ return 1;
+ }
+
+ // get_metadata(self) -> string
+ static int l_get_metadata(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushlstring(L, item.metadata.c_str(), item.metadata.size());
+ return 1;
+ }
+
+ // clear(self) -> true
+ static int l_clear(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ o->m_stack.clear();
+ lua_pushboolean(L, true);
+ return 1;
+ }
+
+ // replace(self, itemstack or itemstring or table or nil) -> true
+ static int l_replace(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ o->m_stack = read_item(L, 2);
+ lua_pushboolean(L, true);
+ return 1;
+ }
+
+ // to_string(self) -> string
+ static int l_to_string(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ std::string itemstring = o->m_stack.getItemString();
+ lua_pushstring(L, itemstring.c_str());
+ return 1;
+ }
+
+ // to_table(self) -> table or nil
+ static int l_to_table(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ const ItemStack &item = o->m_stack;
+ if(item.empty())
+ {
+ lua_pushnil(L);
+ }
+ else
+ {
+ lua_newtable(L);
+ lua_pushstring(L, item.name.c_str());
+ lua_setfield(L, -2, "name");
+ lua_pushinteger(L, item.count);
+ lua_setfield(L, -2, "count");
+ lua_pushinteger(L, item.wear);
+ lua_setfield(L, -2, "wear");
+ lua_pushlstring(L, item.metadata.c_str(), item.metadata.size());
+ lua_setfield(L, -2, "metadata");
+ }
+ return 1;
+ }
+
+ // get_stack_max(self) -> number
+ static int l_get_stack_max(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.getStackMax(get_server(L)->idef()));
+ return 1;
+ }
+
+ // get_free_space(self) -> number
+ static int l_get_free_space(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.freeSpace(get_server(L)->idef()));
+ return 1;
+ }
+
+ // is_known(self) -> true/false
+ // Checks if the item is defined.
+ static int l_is_known(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ bool is_known = item.isKnown(get_server(L)->idef());
+ lua_pushboolean(L, is_known);
+ return 1;
+ }
+
+ // get_definition(self) -> table
+ // Returns the item definition table from minetest.registered_items,
+ // or a fallback one (name="unknown")
+ static int l_get_definition(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+
+ // Get minetest.registered_items[name]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_items");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, item.name.c_str());
+ if(lua_isnil(L, -1))
+ {
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "unknown");
+ }
+ return 1;
+ }
+
+ // get_tool_digging_properties(self) -> table
+ // Returns the effective tool digging properties.
+ // Returns those of the hand ("") if this item has none associated.
+ static int l_get_tool_digging_properties(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ const ToolDiggingProperties &prop =
+ item.getToolDiggingProperties(get_server(L)->idef());
+ push_tool_digging_properties(L, prop);
+ return 1;
+ }
+
+ // add_wear(self, amount) -> true/false
+ // The range for "amount" is [0,65535]. Wear is only added if the item
+ // is a tool. Adding wear might destroy the item.
+ // Returns true if the item is (or was) a tool.
+ static int l_add_wear(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ int amount = lua_tointeger(L, 2);
+ bool result = item.addWear(amount, get_server(L)->idef());
+ lua_pushboolean(L, result);
+ return 1;
+ }
+
+ // add_item(self, itemstack or itemstring or table or nil) -> itemstack
+ // Returns leftover item stack
+ static int l_add_item(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ ItemStack newitem = read_item(L, 2);
+ ItemStack leftover = item.addItem(newitem, get_server(L)->idef());
+ create(L, leftover);
+ return 1;
+ }
+
+ // item_fits(self, itemstack or itemstring or table or nil) -> true/false, itemstack
+ // First return value is true iff the new item fits fully into the stack
+ // Second return value is the would-be-left-over item stack
+ static int l_item_fits(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ ItemStack newitem = read_item(L, 2);
+ ItemStack restitem;
+ bool fits = item.itemFits(newitem, &restitem, get_server(L)->idef());
+ lua_pushboolean(L, fits); // first return value
+ create(L, restitem); // second return value
+ return 2;
+ }
+
+ // take_item(self, takecount=1) -> itemstack
+ static int l_take_item(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ u32 takecount = 1;
+ if(!lua_isnone(L, 2))
+ takecount = lua_tointeger(L, 2);
+ ItemStack taken = item.takeItem(takecount);
+ create(L, taken);
+ return 1;
+ }
+
+ // peek_item(self, peekcount=1) -> itemstack
+ static int l_peek_item(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ u32 peekcount = 1;
+ if(!lua_isnone(L, 2))
+ peekcount = lua_tointeger(L, 2);
+ ItemStack peekaboo = item.peekItem(peekcount);
+ create(L, peekaboo);
+ return 1;
+ }
+
+public:
+ LuaItemStack(const ItemStack &item):
+ m_stack(item)
+ {
+ }
+
+ ~LuaItemStack()
+ {
+ }
+
+ const ItemStack& getItem() const
+ {
+ return m_stack;
+ }
+ ItemStack& getItem()
+ {
+ return m_stack;
+ }
+
+ // LuaItemStack(itemstack or itemstring or table or nil)
+ // Creates an LuaItemStack and leaves it on top of stack
+ static int create_object(lua_State *L)
+ {
+ ItemStack item = read_item(L, 1);
+ LuaItemStack *o = new LuaItemStack(item);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+ // Not callable from Lua
+ static int create(lua_State *L, const ItemStack &item)
+ {
+ LuaItemStack *o = new LuaItemStack(item);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+
+ static LuaItemStack* 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 *(LuaItemStack**)ud; // unbox pointer
+ }
+
+ 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
+
+ // Can be created from Lua (LuaItemStack(itemstack or itemstring or table or nil))
+ lua_register(L, className, create_object);
+ }
+};
+const char LuaItemStack::className[] = "ItemStack";
+const luaL_reg LuaItemStack::methods[] = {
+ method(LuaItemStack, is_empty),
+ method(LuaItemStack, get_name),
+ method(LuaItemStack, get_count),
+ method(LuaItemStack, get_wear),
+ method(LuaItemStack, get_metadata),
+ method(LuaItemStack, clear),
+ method(LuaItemStack, replace),
+ method(LuaItemStack, to_string),
+ method(LuaItemStack, to_table),
+ method(LuaItemStack, get_stack_max),
+ method(LuaItemStack, get_free_space),
+ method(LuaItemStack, is_known),
+ method(LuaItemStack, get_definition),
+ method(LuaItemStack, get_tool_digging_properties),
+ method(LuaItemStack, add_wear),
+ method(LuaItemStack, add_item),
+ method(LuaItemStack, item_fits),
+ method(LuaItemStack, take_item),
+ method(LuaItemStack, peek_item),
+ {0,0}
+};
+
+static ItemStack read_item(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(lua_isnil(L, index))
+ {
+ return ItemStack();
+ }
+ else if(lua_isuserdata(L, index))
+ {
+ // Convert from LuaItemStack
+ LuaItemStack *o = LuaItemStack::checkobject(L, index);
+ return o->getItem();
+ }
+ else if(lua_isstring(L, index))
+ {
+ // Convert from itemstring
+ std::string itemstring = lua_tostring(L, index);
+ IItemDefManager *idef = get_server(L)->idef();
+ try
+ {
+ ItemStack item;
+ item.deSerialize(itemstring, idef);
+ return item;
+ }
+ catch(SerializationError &e)
+ {
+ infostream<<"WARNING: unable to create item from itemstring"
+ <<": "<<itemstring<<std::endl;
+ return ItemStack();
+ }
+ }
+ else if(lua_istable(L, index))
+ {
+ // Convert from table
+ IItemDefManager *idef = get_server(L)->idef();
+ std::string name = getstringfield_default(L, index, "name", "");
+ int count = getintfield_default(L, index, "count", 1);
+ int wear = getintfield_default(L, index, "wear", 0);
+ std::string metadata = getstringfield_default(L, index, "metadata", "");
+ return ItemStack(name, count, wear, metadata, idef);
+ }
+ else
+ {
+ throw LuaError(L, "Expecting itemstack, itemstring, table or nil");
+ }
+}
+
+/*
+ InvRef
+*/
+
+class InvRef
+{
+private:
+ InventoryLocation m_loc;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static InvRef *checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(InvRef**)ud; // unbox pointer
+ }
+
+ static Inventory* getinv(lua_State *L, InvRef *ref)
+ {
+ return get_server(L)->getInventory(ref->m_loc);
+ }
+
+ static InventoryList* getlist(lua_State *L, InvRef *ref,
+ const char *listname)
+ {
+ Inventory *inv = getinv(L, ref);
+ if(!inv)
+ return NULL;
+ return inv->getList(listname);
+ }
+
+ static void reportInventoryChange(lua_State *L, InvRef *ref)
+ {
+ // Inform other things that the inventory has changed
+ get_server(L)->setInventoryModified(ref->m_loc);
+ }
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L) {
+ InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+ // get_size(self, listname)
+ static int l_get_size(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushinteger(L, list->getSize());
+ } else {
+ lua_pushinteger(L, 0);
+ }
+ return 1;
+ }
+
+ // set_size(self, listname, size)
+ static int l_set_size(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int newsize = luaL_checknumber(L, 3);
+ Inventory *inv = getinv(L, ref);
+ if(newsize == 0){
+ inv->deleteList(listname);
+ reportInventoryChange(L, ref);
+ return 0;
+ }
+ InventoryList *list = inv->getList(listname);
+ if(list){
+ list->setSize(newsize);
+ } else {
+ list = inv->addList(listname, newsize);
+ }
+ reportInventoryChange(L, ref);
+ return 0;
+ }
+
+ // get_stack(self, listname, i) -> itemstack
+ static int l_get_stack(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3) - 1;
+ InventoryList *list = getlist(L, ref, listname);
+ ItemStack item;
+ if(list != NULL && i >= 0 && i < (int) list->getSize())
+ item = list->getItem(i);
+ LuaItemStack::create(L, item);
+ return 1;
+ }
+
+ // set_stack(self, listname, i, stack) -> true/false
+ static int l_set_stack(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3) - 1;
+ ItemStack newitem = read_item(L, 4);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list != NULL && i >= 0 && i < (int) list->getSize()){
+ list->changeItem(i, newitem);
+ reportInventoryChange(L, ref);
+ lua_pushboolean(L, true);
+ } else {
+ lua_pushboolean(L, false);
+ }
+ return 1;
+ }
+
+ // get_list(self, listname) -> list or nil
+ static int l_get_list(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ Inventory *inv = getinv(L, ref);
+ inventory_get_list_to_lua(inv, listname, L);
+ return 1;
+ }
+
+ // set_list(self, listname, list)
+ static int l_set_list(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ Inventory *inv = getinv(L, ref);
+ InventoryList *list = inv->getList(listname);
+ if(list)
+ inventory_set_list_from_lua(inv, listname, L, 3,
+ list->getSize());
+ else
+ inventory_set_list_from_lua(inv, listname, L, 3);
+ reportInventoryChange(L, ref);
+ return 0;
+ }
+
+ // add_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
+ // Returns the leftover stack
+ static int l_add_item(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ ItemStack leftover = list->addItem(item);
+ if(leftover.count != item.count)
+ reportInventoryChange(L, ref);
+ LuaItemStack::create(L, leftover);
+ } else {
+ LuaItemStack::create(L, item);
+ }
+ return 1;
+ }
+
+ // room_for_item(self, listname, itemstack or itemstring or table or nil) -> true/false
+ // Returns true if the item completely fits into the list
+ static int l_room_for_item(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushboolean(L, list->roomForItem(item));
+ } else {
+ lua_pushboolean(L, false);
+ }
+ return 1;
+ }
+
+ // contains_item(self, listname, itemstack or itemstring or table or nil) -> true/false
+ // Returns true if the list contains the given count of the given item name
+ static int l_contains_item(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushboolean(L, list->containsItem(item));
+ } else {
+ lua_pushboolean(L, false);
+ }
+ return 1;
+ }
+
+ // remove_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
+ // Returns the items that were actually removed
+ static int l_remove_item(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ ItemStack removed = list->removeItem(item);
+ if(!removed.empty())
+ reportInventoryChange(L, ref);
+ LuaItemStack::create(L, removed);
+ } else {
+ LuaItemStack::create(L, ItemStack());
+ }
+ return 1;
+ }
+
+public:
+ InvRef(const InventoryLocation &loc):
+ m_loc(loc)
+ {
+ }
+
+ ~InvRef()
+ {
+ }
+
+ // Creates an InvRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, const InventoryLocation &loc)
+ {
+ InvRef *o = new InvRef(loc);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ }
+ static void createPlayer(lua_State *L, Player *player)
+ {
+ InventoryLocation loc;
+ loc.setPlayer(player->getName());
+ create(L, loc);
+ }
+ static void createNodeMeta(lua_State *L, v3s16 p)
+ {
+ InventoryLocation loc;
+ loc.setNodeMeta(p);
+ create(L, loc);
+ }
+
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ 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 InvRef::className[] = "InvRef";
+const luaL_reg InvRef::methods[] = {
+ method(InvRef, get_size),
+ method(InvRef, set_size),
+ method(InvRef, get_stack),
+ method(InvRef, set_stack),
+ method(InvRef, get_list),
+ method(InvRef, set_list),
+ method(InvRef, add_item),
+ method(InvRef, room_for_item),
+ method(InvRef, contains_item),
+ method(InvRef, remove_item),
+ {0,0}
+};
+
+/*
+ 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;
+ }
+
+ // set_owner(self, string)
+ static int l_set_owner(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string owner = luaL_checkstring(L, 2);
+ meta->setOwner(owner);
+ reportMetadataChange(ref);
+ return 1;
+ }
+
+ // get_allow_removal(self)
+ static int l_get_allow_removal(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL){
+ lua_pushboolean(L, true);
+ return 1;
+ }
+ // Do it
+ lua_pushboolean(L, !meta->nodeRemovalDisabled());
+ return 1;
+ }
+
+ /* IGenericNodeMetadata interface */
+
+ // set_infotext(self, text)
+ static int l_set_infotext(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->setInfoText(text);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // get_inventory(self)
+ static int l_get_inventory(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ InvRef::createNodeMeta(L, ref->m_p);
+ return 1;
+ }
+
+ // 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_owner),
+ method(NodeMetaRef, get_allow_removal),
+ method(NodeMetaRef, set_infotext),
+ method(NodeMetaRef, get_inventory),
+ 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);
return *(ObjectRef**)ud; // unbox pointer
}
- static ServerActiveObject* getobject(ObjectRef *ref)
+ static ServerActiveObject* getobject(ObjectRef *ref)
+ {
+ ServerActiveObject *co = ref->m_object;
+ return co;
+ }
+
+ static LuaEntitySAO* getluaobject(ObjectRef *ref)
+ {
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
+ return NULL;
+ return (LuaEntitySAO*)obj;
+ }
+
+ static ServerRemotePlayer* getplayer(ObjectRef *ref)
+ {
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
+ return NULL;
+ return static_cast<ServerRemotePlayer*>(obj);
+ }
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L) {
+ ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
+ //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
+ delete o;
+ return 0;
+ }
+
+ // remove(self)
+ static int l_remove(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ infostream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
+ co->m_removed = true;
+ return 0;
+ }
+
+ // getpos(self)
+ // returns: {x=num, y=num, z=num}
+ static int l_getpos(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ v3f pos = co->getBasePosition() / BS;
+ lua_newtable(L);
+ lua_pushnumber(L, pos.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, pos.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, pos.Z);
+ lua_setfield(L, -2, "z");
+ return 1;
+ }
+
+ // setpos(self, pos)
+ static int l_setpos(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setPos(pos);
+ // Move player if applicable
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player != NULL)
+ get_server(L)->SendMovePlayer(player);
+ return 0;
+ }
+
+ // moveto(self, pos, continuous=false)
+ static int l_moveto(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // continuous
+ bool continuous = lua_toboolean(L, 3);
+ // Do it
+ co->moveTo(pos, continuous);
+ return 0;
+ }
+
+ // punch(self, puncher); puncher = an another ObjectRef
+ static int l_punch(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *ref2 = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *co2 = getobject(ref2);
+ if(co == NULL) return 0;
+ if(co2 == NULL) return 0;
+ // Do it
+ co->punch(co2);
+ return 0;
+ }
+
+ // right_click(self, clicker); clicker = an another ObjectRef
+ static int l_right_click(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *ref2 = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *co2 = getobject(ref2);
+ if(co == NULL) return 0;
+ if(co2 == NULL) return 0;
+ // Do it
+ co->rightClick(co2);
+ return 0;
+ }
+
+ // 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;
+ }
+
+ // get_inventory(self)
+ static int l_get_inventory(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ InventoryLocation loc = co->getInventoryLocation();
+ if(get_server(L)->getInventory(loc) != NULL)
+ InvRef::create(L, loc);
+ else
+ lua_pushnil(L);
+ return 1;
+ }
+
+ // get_wield_list(self)
+ static int l_get_wield_list(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ lua_pushstring(L, co->getWieldList().c_str());
+ return 1;
+ }
+
+ // get_wield_index(self)
+ static int l_get_wield_index(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ lua_pushinteger(L, co->getWieldIndex() + 1);
+ return 1;
+ }
+
+ // get_wielded_item(self)
+ static int l_get_wielded_item(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ LuaItemStack::create(L, co->getWieldedItem());
+ return 1;
+ }
+
+ // set_wielded_item(self, itemstack or itemstring or table or nil)
+ static int l_set_wielded_item(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ ItemStack item = read_item(L, 2);
+ bool success = co->setWieldedItem(item);
+ lua_pushboolean(L, success);
+ return 1;
+ }
+
+ /* LuaEntitySAO-only */
+
+ // setvelocity(self, {x=num, y=num, z=num})
+ static int l_setvelocity(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setVelocity(pos);
+ return 0;
+ }
+
+ // getvelocity(self)
+ static int l_getvelocity(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v3f v = co->getVelocity();
+ pushFloatPos(L, v);
+ return 1;
+ }
+
+ // setacceleration(self, {x=num, y=num, z=num})
+ static int l_setacceleration(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setAcceleration(pos);
+ return 0;
+ }
+
+ // getacceleration(self)
+ static int l_getacceleration(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v3f v = co->getAcceleration();
+ pushFloatPos(L, v);
+ return 1;
+ }
+
+ // setyaw(self, radians)
+ static int l_setyaw(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
+ // Do it
+ co->setYaw(yaw);
+ return 0;
+ }
+
+ // getyaw(self)
+ static int l_getyaw(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ float yaw = co->getYaw() * core::DEGTORAD;
+ lua_pushnumber(L, yaw);
+ return 1;
+ }
+
+ // settexturemod(self, mod)
+ static int l_settexturemod(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string mod = luaL_checkstring(L, 2);
+ co->setTextureMod(mod);
+ return 0;
+ }
+
+ // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
+ // select_horiz_by_yawpitch=false)
+ static int l_setsprite(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v2s16 p(0,0);
+ if(!lua_isnil(L, 2))
+ p = read_v2s16(L, 2);
+ int num_frames = 1;
+ if(!lua_isnil(L, 3))
+ num_frames = lua_tonumber(L, 3);
+ float framelength = 0.2;
+ if(!lua_isnil(L, 4))
+ framelength = lua_tonumber(L, 4);
+ bool select_horiz_by_yawpitch = false;
+ if(!lua_isnil(L, 5))
+ select_horiz_by_yawpitch = lua_toboolean(L, 5);
+ co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
+ return 0;
+ }
+
+ // DEPRECATED
+ // get_entity_name(self)
+ static int l_get_entity_name(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string name = co->getName();
+ lua_pushstring(L, name.c_str());
+ return 1;
+ }
+
+ // get_luaentity(self)
+ static int l_get_luaentity(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ luaentity_get(L, co->getId());
+ return 1;
+ }
+
+ /* Player-only */
+
+ // get_player_name(self)
+ static int l_get_player_name(lua_State *L)
{
- ServerActiveObject *co = ref->m_object;
- return co;
+ 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;
}
- static LuaEntitySAO* getluaobject(ObjectRef *ref)
+ // get_look_dir(self)
+ static int l_get_look_dir(lua_State *L)
{
- ServerActiveObject *obj = getobject(ref);
- if(obj == NULL)
- return NULL;
- if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
- return NULL;
- return (LuaEntitySAO*)obj;
+ 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
-
- // 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;
+
+ // get_look_pitch(self)
+ static int l_get_look_pitch(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ lua_pushnumber(L, player->getRadPitch());
+ return 1;
}
- // remove(self)
- static int l_remove(lua_State *L)
+ // get_look_yaw(self)
+ static int l_get_look_yaw(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;
+ ServerRemotePlayer *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ lua_pushnumber(L, player->getRadYaw());
+ return 1;
+ }
+
+public:
+ ObjectRef(ServerActiveObject *object):
+ m_object(object)
+ {
+ //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
+ }
+
+ ~ObjectRef()
+ {
+ /*if(m_object)
+ infostream<<"ObjectRef destructing for id="
+ <<m_object->getId()<<std::endl;
+ else
+ infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
+ }
+
+ // Creates an ObjectRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, ServerActiveObject *object)
+ {
+ ObjectRef *o = new ObjectRef(object);
+ //infostream<<"ObjectRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ }
+
+ static void set_null(lua_State *L)
+ {
+ ObjectRef *o = checkobject(L, -1);
+ o->m_object = NULL;
}
- // getpos(self)
- // returns: {x=num, y=num, z=num}
- static int l_getpos(lua_State *L)
+ static void Register(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;
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+ }
+};
+const char ObjectRef::className[] = "ObjectRef";
+const luaL_reg ObjectRef::methods[] = {
+ // ServerActiveObject
+ method(ObjectRef, remove),
+ method(ObjectRef, getpos),
+ method(ObjectRef, setpos),
+ method(ObjectRef, moveto),
+ method(ObjectRef, punch),
+ method(ObjectRef, right_click),
+ method(ObjectRef, set_hp),
+ method(ObjectRef, get_hp),
+ method(ObjectRef, get_inventory),
+ method(ObjectRef, get_wield_list),
+ method(ObjectRef, get_wield_index),
+ method(ObjectRef, get_wielded_item),
+ method(ObjectRef, set_wielded_item),
+ // LuaEntitySAO-only
+ method(ObjectRef, setvelocity),
+ method(ObjectRef, getvelocity),
+ method(ObjectRef, setacceleration),
+ method(ObjectRef, getacceleration),
+ method(ObjectRef, setyaw),
+ method(ObjectRef, getyaw),
+ method(ObjectRef, settexturemod),
+ method(ObjectRef, setsprite),
+ method(ObjectRef, get_entity_name),
+ method(ObjectRef, get_luaentity),
+ // Player-only
+ method(ObjectRef, get_player_name),
+ method(ObjectRef, get_look_dir),
+ method(ObjectRef, get_look_pitch),
+ method(ObjectRef, get_look_yaw),
+ {0,0}
+};
+
+// Creates a new anonymous reference if id=0
+static void objectref_get_or_create(lua_State *L,
+ ServerActiveObject *cobj)
+{
+ if(cobj->getId() == 0){
+ ObjectRef::create(L, cobj);
+ } else {
+ objectref_get(L, cobj->getId());
+ }
+}
+
+/*
+ EnvRef
+*/
+
+class EnvRef
+{
+private:
+ ServerEnvironment *m_env;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static EnvRef *checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(EnvRef**)ud; // unbox pointer
}
- // setpos(self, pos)
- static int l_setpos(lua_State *L)
+ // Exported functions
+
+ // EnvRef:add_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_node(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- //LuaEntitySAO *co = getluaobject(ref);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
+ //infostream<<"EnvRef::l_add_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // content
+ MapNode n = readnode(L, 3, env->getGameDef()->ndef());
+ // Do it
+ bool succeeded = env->getMap().addNodeWithEvent(pos, n);
+ lua_pushboolean(L, succeeded);
+ return 1;
+ }
+
+ // EnvRef:remove_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_remove_node(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_remove_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ bool succeeded = env->getMap().removeNodeWithEvent(pos);
+ lua_pushboolean(L, succeeded);
+ return 1;
+ }
+
+ // EnvRef:get_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_get_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+ }
+
+ // EnvRef:get_node_or_nil(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node_or_nil(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_get_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+ }
+
+ // EnvRef:get_node_light(pos, timeofday)
+ // pos = {x=num, y=num, z=num}
+ // timeofday: nil = current time, 0 = night, 0.5 = day
+ static int l_get_node_light(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3s16 pos = read_v3s16(L, 2);
+ u32 time_of_day = env->getTimeOfDay();
+ if(lua_isnumber(L, 3))
+ time_of_day = 24000.0 * lua_tonumber(L, 3);
+ time_of_day %= 24000;
+ u32 dnr = time_to_daynight_ratio(time_of_day);
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+ lua_pushinteger(L, n.getLightBlend(dnr, ndef));
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+ }
+
+ // EnvRef:add_entity(pos, entityname) -> ObjectRef or nil
+ // pos = {x=num, y=num, z=num}
+ static int l_add_entity(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_add_entity()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // content
+ const char *name = luaL_checkstring(L, 3);
+ // Do it
+ ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
+ int objectid = env->addActiveObject(obj);
+ // If failed to add, return nothing (reads as nil)
+ if(objectid == 0)
+ return 0;
+ // Return ObjectRef
+ objectref_get_or_create(L, obj);
+ return 1;
+ }
+
+ // EnvRef:add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
+ // pos = {x=num, y=num, z=num}
+ static int l_add_item(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_add_item()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // item
+ ItemStack item = read_item(L, 3);
+ if(item.empty() || !item.isKnown(get_server(L)->idef()))
+ return 0;
+ // Do it
+ ServerActiveObject *obj = new ItemSAO(env, pos, item.getItemString());
+ int objectid = env->addActiveObject(obj);
+ // If failed to add, return nothing (reads as nil)
+ if(objectid == 0)
+ return 0;
+ // Return ObjectRef
+ objectref_get_or_create(L, obj);
+ return 1;
+ }
+
+ // EnvRef:add_rat(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_rat(lua_State *L)
+ {
+ infostream<<"EnvRef::l_add_rat()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ ServerActiveObject *obj = new RatSAO(env, pos);
+ env->addActiveObject(obj);
+ return 0;
+ }
+
+ // EnvRef:add_firefly(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_firefly(lua_State *L)
+ {
+ infostream<<"EnvRef::l_add_firefly()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
// pos
- v3f pos = readFloatPos(L, 2);
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ ServerActiveObject *obj = new FireflySAO(env, pos);
+ env->addActiveObject(obj);
+ return 0;
+ }
+
+ // EnvRef:get_meta(pos)
+ static int l_get_meta(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_get_meta()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
// Do it
- co->setPos(pos);
- return 0;
+ v3s16 p = read_v3s16(L, 2);
+ NodeMetaRef::create(L, p, env);
+ return 1;
}
-
- // moveto(self, pos, continuous=false)
- static int l_moveto(lua_State *L)
+
+ // EnvRef:get_player_by_name(name)
+ static int l_get_player_by_name(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);
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
// Do it
- co->moveTo(pos, continuous);
- return 0;
+ 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;
}
- // add_to_inventory(self, itemstring)
- // returns: true if item was added, false otherwise
- static int l_add_to_inventory(lua_State *L)
+ // EnvRef:get_objects_inside_radius(pos, radius)
+ static int l_get_objects_inside_radius(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- luaL_checkstring(L, 2);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // itemstring
- const char *itemstring = lua_tostring(L, 2);
- infostream<<"ObjectRef::l_add_to_inventory(): id="<<co->getId()
- <<" itemstring=\""<<itemstring<<"\""<<std::endl;
+ // 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
- std::istringstream is(itemstring, std::ios::binary);
- ServerEnvironment *env = co->getEnv();
- assert(env);
- IGameDef *gamedef = env->getGameDef();
- InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
- infostream<<"item="<<env<<std::endl;
- bool fits = co->addToInventory(item);
- // Return
- lua_pushboolean(L, fits);
+ v3f pos = checkFloatPos(L, 2);
+ float radius = luaL_checknumber(L, 3) * BS;
+ std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(std::set<u16>::const_iterator
+ i = ids.begin(); i != ids.end(); i++){
+ ServerActiveObject *obj = env->getActiveObject(*i);
+ // Insert object reference into table
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ objectref_get_or_create(L, obj);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
return 1;
}
+ static int gc_object(lua_State *L) {
+ EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
public:
- 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),
- method(ObjectRef, setpos),
- method(ObjectRef, moveto),
- method(ObjectRef, add_to_inventory),
+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}
};
-// Creates a new anonymous reference if id=0
-static void objectref_get_or_create(lua_State *L,
- ServerActiveObject *cobj)
+/*
+ Global functions
+*/
+
+class LuaABM : public ActiveBlockModifier
{
- if(cobj->getId() == 0){
- ObjectRef::create(L, cobj);
+private:
+ lua_State *m_lua;
+ int m_id;
+
+ std::set<std::string> m_trigger_contents;
+ std::set<std::string> m_required_neighbors;
+ float m_trigger_interval;
+ u32 m_trigger_chance;
+public:
+ LuaABM(lua_State *L, int id,
+ const std::set<std::string> &trigger_contents,
+ const std::set<std::string> &required_neighbors,
+ float trigger_interval, u32 trigger_chance):
+ m_lua(L),
+ m_id(id),
+ m_trigger_contents(trigger_contents),
+ m_required_neighbors(required_neighbors),
+ m_trigger_interval(trigger_interval),
+ m_trigger_chance(trigger_chance)
+ {
+ }
+ virtual std::set<std::string> getTriggerContents()
+ {
+ return m_trigger_contents;
+ }
+ virtual std::set<std::string> getRequiredNeighbors()
+ {
+ return m_required_neighbors;
+ }
+ virtual float getTriggerInterval()
+ {
+ return m_trigger_interval;
+ }
+ virtual u32 getTriggerChance()
+ {
+ return m_trigger_chance;
+ }
+ virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
+ u32 active_object_count, u32 active_object_count_wider)
+ {
+ lua_State *L = m_lua;
+
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ // Get minetest.registered_abms[m_id]
+ lua_pushnumber(L, m_id);
+ lua_gettable(L, registered_abms);
+ if(lua_isnil(L, -1))
+ assert(0);
+
+ // Call action
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, "action");
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ push_v3s16(L, p);
+ pushnode(L, n, env->getGameDef()->ndef());
+ lua_pushnumber(L, active_object_count);
+ lua_pushnumber(L, active_object_count_wider);
+ if(lua_pcall(L, 4, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+};
+
+// debug(text)
+// Writes a line to dstream
+static int l_debug(lua_State *L)
+{
+ std::string text = lua_tostring(L, 1);
+ dstream << text << std::endl;
+ return 0;
+}
+
+// log([level,] text)
+// Writes a line to the logger.
+// The one-argument version logs to infostream.
+// The two-argument version accept a log level: error, action, info, or verbose.
+static int l_log(lua_State *L)
+{
+ std::string text;
+ LogMessageLevel level = LMT_INFO;
+ if(lua_isnone(L, 2))
+ {
+ text = lua_tostring(L, 1);
+ }
+ else
+ {
+ std::string levelname = lua_tostring(L, 1);
+ text = lua_tostring(L, 2);
+ if(levelname == "error")
+ level = LMT_ERROR;
+ else if(levelname == "action")
+ level = LMT_ACTION;
+ else if(levelname == "verbose")
+ level = LMT_VERBOSE;
+ }
+ log_printline(level, text);
+ return 0;
+}
+
+// register_item_raw({lots of stuff})
+static int l_register_item_raw(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int table = 1;
+
+ // Get the writable item and node definition managers from the server
+ IWritableItemDefManager *idef =
+ get_server(L)->getWritableItemDefManager();
+ IWritableNodeDefManager *ndef =
+ get_server(L)->getWritableNodeDefManager();
+
+ // Check if name is defined
+ lua_getfield(L, table, "name");
+ if(lua_isstring(L, -1)){
+ std::string name = lua_tostring(L, -1);
+ infostream<<"register_item_raw: "<<name<<std::endl;
} else {
- objectref_get(L, cobj->getId());
+ throw LuaError(L, "register_item_raw: name is not defined or not a string");
+ }
+
+ // Check if on_use is defined
+
+ // Read the item definition and register it
+ ItemDefinition def = read_item_definition(L, table);
+ idef->registerItem(def);
+
+ // Read the node definition (content features) and register it
+ if(def.type == ITEM_NODE)
+ {
+ ContentFeatures f = read_content_features(L, table);
+ ndef->set(f.name, f);
+ }
+
+ return 0; /* number of results */
+}
+
+// register_alias_raw(name, convert_to_name)
+static int l_register_alias_raw(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get the writable item definition manager from the server
+ IWritableItemDefManager *idef =
+ get_server(L)->getWritableItemDefManager();
+
+ idef->registerAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
+
+// helper for register_craft
+static bool read_craft_recipe_shaped(lua_State *L, int index,
+ int &width, std::vector<std::string> &recipe)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(!lua_istable(L, index))
+ return false;
+
+ lua_pushnil(L);
+ int rowcount = 0;
+ while(lua_next(L, index) != 0){
+ int colcount = 0;
+ // key at index -2 and value at index -1
+ if(!lua_istable(L, -1))
+ return false;
+ int table2 = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table2) != 0){
+ // key at index -2 and value at index -1
+ if(!lua_isstring(L, -1))
+ return false;
+ recipe.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)
+ return false;
+ }
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ rowcount++;
+ }
+ return width != 0;
+}
+
+// helper for register_craft
+static bool read_craft_recipe_shapeless(lua_State *L, int index,
+ std::vector<std::string> &recipe)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(!lua_istable(L, index))
+ return false;
+
+ lua_pushnil(L);
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ if(!lua_isstring(L, -1))
+ return false;
+ recipe.push_back(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ return true;
+}
+
+// helper for register_craft
+static bool read_craft_replacements(lua_State *L, int index,
+ CraftReplacements &replacements)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(!lua_istable(L, index))
+ return false;
+
+ lua_pushnil(L);
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ if(!lua_istable(L, -1))
+ return false;
+ lua_rawgeti(L, -1, 1);
+ if(!lua_isstring(L, -1))
+ return false;
+ std::string replace_from = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 2);
+ if(!lua_isstring(L, -1))
+ return false;
+ std::string replace_to = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ replacements.pairs.push_back(
+ std::make_pair(replace_from, replace_to));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ return true;
+}
+// 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 table = 1;
+
+ // Get the writable craft definition manager from the server
+ IWritableCraftDefManager *craftdef =
+ get_server(L)->getWritableCraftDefManager();
+
+ std::string type = getstringfield_default(L, table, "type", "shaped");
+
+ /*
+ CraftDefinitionShaped
+ */
+ if(type == "shaped"){
+ std::string output = getstringfield_default(L, table, "output", "");
+ if(output == "")
+ throw LuaError(L, "Crafting definition is missing an output");
+
+ int width = 0;
+ std::vector<std::string> recipe;
+ lua_getfield(L, table, "recipe");
+ if(lua_isnil(L, -1))
+ throw LuaError(L, "Crafting definition is missing a recipe"
+ " (output=\"" + output + "\")");
+ if(!read_craft_recipe_shaped(L, -1, width, recipe))
+ throw LuaError(L, "Invalid crafting recipe"
+ " (output=\"" + output + "\")");
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (output=\"" + output + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionShaped(
+ output, width, recipe, replacements);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionShapeless
+ */
+ else if(type == "shapeless"){
+ std::string output = getstringfield_default(L, table, "output", "");
+ if(output == "")
+ throw LuaError(L, "Crafting definition (shapeless)"
+ " is missing an output");
+
+ std::vector<std::string> recipe;
+ lua_getfield(L, table, "recipe");
+ if(lua_isnil(L, -1))
+ throw LuaError(L, "Crafting definition (shapeless)"
+ " is missing a recipe"
+ " (output=\"" + output + "\")");
+ if(!read_craft_recipe_shapeless(L, -1, recipe))
+ throw LuaError(L, "Invalid crafting recipe"
+ " (output=\"" + output + "\")");
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (output=\"" + output + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionShapeless(
+ output, recipe, replacements);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionToolRepair
+ */
+ else if(type == "toolrepair"){
+ float additional_wear = getfloatfield_default(L, table,
+ "additional_wear", 0.0);
+
+ CraftDefinition *def = new CraftDefinitionToolRepair(
+ additional_wear);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionCooking
+ */
+ else if(type == "cooking"){
+ std::string output = getstringfield_default(L, table, "output", "");
+ if(output == "")
+ throw LuaError(L, "Crafting definition (cooking)"
+ " is missing an output");
+
+ std::string recipe = getstringfield_default(L, table, "recipe", "");
+ if(recipe == "")
+ throw LuaError(L, "Crafting definition (cooking)"
+ " is missing a recipe"
+ " (output=\"" + output + "\")");
+
+ float cooktime = getfloatfield_default(L, table, "cooktime", 3.0);
+
+ CraftDefinition *def = new CraftDefinitionCooking(
+ output, recipe, cooktime);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionFuel
+ */
+ else if(type == "fuel"){
+ std::string recipe = getstringfield_default(L, table, "recipe", "");
+ if(recipe == "")
+ throw LuaError(L, "Crafting definition (fuel)"
+ " is missing a recipe");
+
+ float burntime = getfloatfield_default(L, table, "burntime", 1.0);
+
+ CraftDefinition *def = new CraftDefinitionFuel(
+ recipe, burntime);
+ craftdef->registerCraft(def);
+ }
+ else
+ {
+ throw LuaError(L, "Unknown crafting definition type: \"" + type + "\"");
+ }
+
+ lua_pop(L, 1);
+ 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
+ Server *server = get_server(L);
+ // 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
+ Server *server = get_server(L);
+ // Send
+ server->notifyPlayer(name, narrow_to_wide(text));
+ return 0;
+}
+
+// get_player_privs(name, text)
+static int l_get_player_privs(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Do it
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ u64 privs_i = server->getPlayerAuthPrivs(name);
+ // Special case for the "name" setting (local player / server owner)
+ if(name == g_settings->get("name"))
+ privs_i = PRIV_ALL;
+ std::set<std::string> privs_s = privsToSet(privs_i);
+ for(std::set<std::string>::const_iterator
+ i = privs_s.begin(); i != privs_s.end(); i++){
+ lua_pushboolean(L, true);
+ lua_setfield(L, table, i->c_str());
+ }
+ lua_pushvalue(L, table);
+ return 1;
+}
+
+// get_inventory(location)
+static int l_get_inventory(lua_State *L)
+{
+ InventoryLocation loc;
+
+ std::string type = checkstringfield(L, 1, "type");
+ if(type == "player"){
+ std::string name = checkstringfield(L, 1, "name");
+ loc.setPlayer(name);
+ } else if(type == "node"){
+ lua_getfield(L, 1, "pos");
+ v3s16 pos = check_v3s16(L, -1);
+ loc.setNodeMeta(pos);
+ }
+
+ if(get_server(L)->getInventory(loc) != NULL)
+ InvRef::create(L, loc);
+ else
+ lua_pushnil(L);
+ return 1;
+}
+
+// get_digging_properties(material_properties, tool_digging_properties[, time_from_last_punch])
+static int l_get_digging_properties(lua_State *L)
+{
+ MaterialProperties mp = read_material_properties(L, 1);
+ ToolDiggingProperties tp = read_tool_digging_properties(L, 2);
+ if(lua_isnoneornil(L, 3))
+ push_digging_properties(L, getDiggingProperties(&mp, &tp));
+ else
+ push_digging_properties(L, getDiggingProperties(&mp, &tp,
+ luaL_checknumber(L, 3)));
+ return 1;
+}
+
+// get_hitting_properties(material_properties, tool_digging_properties[, time_from_last_punch])
+static int l_get_hitting_properties(lua_State *L)
+{
+ MaterialProperties mp = read_material_properties(L, 1);
+ ToolDiggingProperties tp = read_tool_digging_properties(L, 2);
+ if(lua_isnoneornil(L, 3))
+ push_hitting_properties(L, getHittingProperties(&mp, &tp));
+ else
+ push_hitting_properties(L, getHittingProperties(&mp, &tp,
+ luaL_checknumber(L, 3)));
+ return 1;
+}
+
+// get_current_modname()
+static int l_get_current_modname(lua_State *L)
+{
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
+ return 1;
+}
+
+// get_modpath(modname)
+static int l_get_modpath(lua_State *L)
+{
+ const char *modname = luaL_checkstring(L, 1);
+ // Do it
+ const ModSpec *mod = get_server(L)->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 [] = {
+ {"debug", l_debug},
+ {"log", l_log},
+ {"register_item_raw", l_register_item_raw},
+ {"register_alias_raw", l_register_alias_raw},
+ {"register_craft", l_register_craft},
+ {"setting_get", l_setting_get},
+ {"setting_getbool", l_setting_getbool},
+ {"chat_send_all", l_chat_send_all},
+ {"chat_send_player", l_chat_send_player},
+ {"get_player_privs", l_get_player_privs},
+ {"get_inventory", l_get_inventory},
+ {"get_digging_properties", l_get_digging_properties},
+ {"get_hitting_properties", l_get_hitting_properties},
+ {"get_current_modname", l_get_current_modname},
+ {"get_modpath", l_get_modpath},
+ {NULL, NULL}
+};
+
/*
Main export function
*/
// Store server as light userdata in registry
lua_pushlightuserdata(L, server);
lua_setfield(L, LUA_REGISTRYINDEX, "minetest_server");
-
+
// Register global functions in table minetest
lua_newtable(L);
luaL_register(L, NULL, minetest_f);
// Add tables to minetest
- /*lua_newtable(L);
- lua_setfield(L, -2, "registered_blocks");*/
-
- lua_newtable(L);
- lua_setfield(L, -2, "registered_entities");
-
- lua_newtable(L);
- lua_setfield(L, -2, "registered_globalsteps");
-
lua_newtable(L);
lua_setfield(L, -2, "object_refs");
-
lua_newtable(L);
lua_setfield(L, -2, "luaentities");
- // Create entity prototype
- luaL_newmetatable(L, "minetest.entity");
- // metatable.__index = metatable
- lua_pushvalue(L, -1); // Duplicate metatable
- lua_setfield(L, -2, "__index");
- // Put functions in metatable
- luaL_register(L, NULL, minetest_entity_m);
- // Put other stuff in metatable
-
- // Environment C reference
+ // Register wrappers
+ LuaItemStack::Register(L);
+ InvRef::Register(L);
+ NodeMetaRef::Register(L);
+ ObjectRef::Register(L);
EnvRef::Register(L);
+}
- // Object C reference
- ObjectRef::Register(L);
+bool scriptapi_loadmod(lua_State *L, const std::string &scriptpath,
+ const std::string &modname)
+{
+ ModNameStorer modnamestorer(L, modname);
+
+ if(!string_allowed(modname, "abcdefghijklmnopqrstuvwxyz"
+ "0123456789_")){
+ errorstream<<"Error loading mod \""<<modname
+ <<"\": modname does not follow naming conventions: "
+ <<"Only chararacters [a-z0-9_] are allowed."<<std::endl;
+ return false;
+ }
+
+ bool success = false;
+
+ try{
+ success = script_load(L, scriptpath.c_str());
+ }
+ catch(LuaError &e){
+ errorstream<<"Error loading mod \""<<modname
+ <<"\": "<<e.what()<<std::endl;
+ }
+
+ return success;
}
void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
luaL_checktype(L, -1, LUA_TTABLE);
lua_pushvalue(L, envref);
lua_setfield(L, -2, "env");
+
+ // Store environment as light userdata in registry
+ lua_pushlightuserdata(L, env);
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_env");
+
+ /*
+ Add ActiveBlockModifiers to environment
+ */
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ if(lua_istable(L, registered_abms)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ int id = lua_tonumber(L, -2);
+ int current_abm = lua_gettop(L);
+
+ std::set<std::string> trigger_contents;
+ lua_getfield(L, current_abm, "nodenames");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ trigger_contents.insert(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, -1)){
+ trigger_contents.insert(lua_tostring(L, -1));
+ }
+ lua_pop(L, 1);
+
+ std::set<std::string> required_neighbors;
+ lua_getfield(L, current_abm, "neighbors");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ required_neighbors.insert(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, -1)){
+ required_neighbors.insert(lua_tostring(L, -1));
+ }
+ lua_pop(L, 1);
+
+ float trigger_interval = 10.0;
+ getfloatfield(L, current_abm, "interval", trigger_interval);
+
+ int trigger_chance = 50;
+ getintfield(L, current_abm, "chance", trigger_chance);
+
+ LuaABM *abm = new LuaABM(L, id, trigger_contents,
+ required_neighbors, trigger_interval, trigger_chance);
+
+ env->addActiveBlockModifier(abm);
+
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
}
#if 0
lua_pushvalue(L, -2); // Get previous stack top as first parameter
lua_pushstring(L, name);
if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ script_error(L, "error: %s", lua_tostring(L, -1));
}
#endif
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl;
+ //infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl;
StackUnroller stack_unroller(L);
// Create object on stack
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl;
+ //infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl;
StackUnroller stack_unroller(L);
// Get minetest.object_refs table
lua_settable(L, objectstable);
}
+bool scriptapi_on_chat_message(lua_State *L, const std::string &name,
+ const std::string &message)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_chat_messages
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_chat_messages");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int table = lua_gettop(L);
+ // Foreach
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ // Call function
+ lua_pushstring(L, name.c_str());
+ lua_pushstring(L, message.c_str());
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ bool ate = lua_toboolean(L, -1);
+ lua_pop(L, 1);
+ if(ate)
+ return true;
+ // value removed, keep key for next iteration
+ }
+ return false;
+}
+
+/*
+ misc
+*/
+
+void scriptapi_on_newplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_newplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_newplayers");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int table = lua_gettop(L);
+ // Foreach
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ // Call function
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 1, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
+}
+
+void scriptapi_on_dieplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_dieplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_dieplayers");
+ 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);
+
+ dstream<<"player: "<<player<<" id: "<<player->getId()<<std::endl;
+
+ 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_INVENTORY_SIZE);
+}
+
+/*
+ item callbacks and node callbacks
+*/
+
+// Retrieves minetest.registered_items[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
+static bool get_item_callback(lua_State *L,
+ const char *name, const char *callbackname)
+{
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_items");
+ 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<<"Item \""<<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<<"Item \""<<name<<"\" callback \""
+ <<callbackname<<" is not a function"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
+}
+
+bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
+ ServerActiveObject *dropper, v3f pos)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_drop"))
+ return false;
+
+ // Call function
+ LuaItemStack::create(L, item);
+ 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));
+ if(!lua_isnil(L, -1))
+ item = read_item(L, -1);
+ return true;
+}
+
+bool scriptapi_item_on_place(lua_State *L, ItemStack &item,
+ ServerActiveObject *placer, const PointedThing &pointed)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_place"))
+ return false;
+
+ // Call function
+ LuaItemStack::create(L, item);
+ objectref_get_or_create(L, placer);
+ push_pointed_thing(L, pointed);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnil(L, -1))
+ item = read_item(L, -1);
+ return true;
+}
+
+bool scriptapi_item_on_use(lua_State *L, ItemStack &item,
+ ServerActiveObject *user, const PointedThing &pointed)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_use"))
+ return false;
+
+ // Call function
+ LuaItemStack::create(L, item);
+ objectref_get_or_create(L, user);
+ push_pointed_thing(L, pointed);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnil(L, -1))
+ item = read_item(L, -1);
+ return true;
+}
+
+bool scriptapi_node_on_punch(lua_State *L, v3s16 pos, MapNode node,
+ ServerActiveObject *puncher)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_punch"))
+ return false;
+
+ // Call function
+ push_v3s16(L, pos);
+ 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));
+ return true;
+}
+
+bool scriptapi_node_on_dig(lua_State *L, v3s16 pos, MapNode node,
+ ServerActiveObject *digger)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_dig"))
+ return false;
+
+ // Call function
+ push_v3s16(L, pos);
+ pushnode(L, node, ndef);
+ objectref_get_or_create(L, digger);
+ if(lua_pcall(L, 3, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return true;
+}
+
/*
environment
*/
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
+ //infostream<<"scriptapi_environment_step"<<std::endl;
StackUnroller stack_unroller(L);
// Get minetest.registered_globalsteps
// Call function
lua_pushnumber(L, dtime);
if(lua_pcall(L, 1, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
+}
+
+void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_environment_on_generated"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_generateds
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_generateds");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int table = lua_gettop(L);
+ // Foreach
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ // Call function
+ push_v3s16(L, minp);
+ push_v3s16(L, maxp);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
// value removed, keep key for next iteration
}
}
*/
bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name,
- const char *init_state)
+ 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_pushvalue(L, object); // Copy object to top of stack
lua_settable(L, -3);
- // This callback doesn't really make sense
- /*// Get on_activate function
+ // Get on_activate function
lua_pushvalue(L, object);
lua_getfield(L, -1, "on_activate");
- 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 %s:on_activate: %s\n",
- name, lua_tostring(L, -1));*/
-
+ 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;
}
lua_pop(L, 2); // pop luaentities, minetest
}
-std::string scriptapi_luaentity_get_state(lua_State *L, u16 id)
+std::string scriptapi_luaentity_get_staticdata(lua_State *L, u16 id)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_luaentity_get_state: id="<<id<<std::endl;
+ 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 "";
- 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);
}
void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
luaentity_get(L, id);
//int object = lua_gettop(L);
- lua_getfield(L, -1, "physical");
- if(lua_isboolean(L, -1))
- prop->physical = lua_toboolean(L, -1);
- lua_pop(L, 1);
+ /* Read stuff */
- lua_getfield(L, -1, "weight");
- prop->weight = lua_tonumber(L, -1);
- lua_pop(L, 1);
+ getboolfield(L, -1, "physical", prop->physical);
+
+ getfloatfield(L, -1, "weight", prop->weight);
lua_getfield(L, -1, "collisionbox");
- if(lua_istable(L, -1)){
- lua_rawgeti(L, -1, 1);
- prop->collisionbox.MinEdge.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 2);
- prop->collisionbox.MinEdge.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 3);
- prop->collisionbox.MinEdge.Z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 4);
- prop->collisionbox.MaxEdge.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 5);
- prop->collisionbox.MaxEdge.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 6);
- prop->collisionbox.MaxEdge.Z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- }
+ if(lua_istable(L, -1))
+ prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
lua_pop(L, 1);
- lua_getfield(L, -1, "visual");
- if(lua_isstring(L, -1))
- prop->visual = lua_tostring(L, -1);
- lua_pop(L, 1);
+ getstringfield(L, -1, "visual", prop->visual);
+ lua_getfield(L, -1, "visual_size");
+ if(lua_istable(L, -1))
+ prop->visual_size = read_v2f(L, -1);
+ lua_pop(L, 1);
+
lua_getfield(L, -1, "textures");
if(lua_istable(L, -1)){
prop->textures.clear();
}
}
lua_pop(L, 1);
+
+ lua_getfield(L, -1, "spritediv");
+ if(lua_istable(L, -1))
+ prop->spritediv = read_v2s16(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "initial_sprite_basepos");
+ if(lua_istable(L, -1))
+ prop->initial_sprite_basepos = read_v2s16(L, -1);
+ lua_pop(L, 1);
}
void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)
// 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));
}
-// Calls entity:on_punch(ObjectRef puncher)
+// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch)
void scriptapi_luaentity_punch(lua_State *L, u16 id,
- ServerActiveObject *puncher)
+ ServerActiveObject *puncher, float time_from_last_punch)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
// State: object is at top of stack
// 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, 2, 0, 0))
+ if(lua_pcall(L, 3, 0, 0))
script_error(L, "error running function 'on_punch': %s\n", lua_tostring(L, -1));
}
// 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
objectref_get_or_create(L, clicker); // Clicker reference