mirror of
https://github.com/luanti-org/luanti.git
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Node place/dig Lua callbacks
This commit is contained in:
Perttu Ahola
parent
d7cb6146c8
commit
cc03718d3c
5 changed files with 255 additions and 31 deletions
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@ -123,7 +123,7 @@ public:
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}
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};
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v3f readFloatPos(lua_State *L, int index)
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static v3f readFloatPos(lua_State *L, int index)
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{
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v3f pos;
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lua_pushvalue(L, index); // Push pos
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@ -142,6 +142,42 @@ v3f readFloatPos(lua_State *L, int index)
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return pos;
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}
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static void pushpos(lua_State *L, v3s16 p)
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{
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lua_newtable(L);
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lua_pushnumber(L, p.X);
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lua_setfield(L, -2, "x");
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lua_pushnumber(L, p.Y);
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lua_setfield(L, -2, "y");
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lua_pushnumber(L, p.Z);
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lua_setfield(L, -2, "z");
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}
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static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
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{
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lua_newtable(L);
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lua_pushstring(L, ndef->get(n).name.c_str());
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lua_setfield(L, -2, "name");
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lua_pushnumber(L, n.getParam1());
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lua_setfield(L, -2, "param1");
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lua_pushnumber(L, n.getParam2());
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lua_setfield(L, -2, "param2");
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}
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static MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
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{
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lua_getfield(L, index, "name");
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const char *name = lua_tostring(L, -1);
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lua_pop(L, 1);
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lua_getfield(L, index, "param1");
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u8 param1 = lua_tonumber(L, -1);
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lua_pop(L, 1);
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lua_getfield(L, index, "param2");
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u8 param2 = lua_tonumber(L, -1);
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lua_pop(L, 1);
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return MapNode(ndef, name, param1, param2);
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}
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/*
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Global functions
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*/
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@ -180,32 +216,6 @@ static int l_register_entity(lua_State *L)
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return 0; /* number of results */
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}
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// Register a global step function
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// register_globalstep(function)
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static int l_register_globalstep(lua_State *L)
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{
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luaL_checktype(L, 1, LUA_TFUNCTION);
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infostream<<"register_globalstep"<<std::endl;
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lua_getglobal(L, "table");
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lua_getfield(L, -1, "insert");
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int table_insert = lua_gettop(L);
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// Get minetest.registered_globalsteps
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lua_getglobal(L, "minetest");
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lua_getfield(L, -1, "registered_globalsteps");
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luaL_checktype(L, -1, LUA_TTABLE);
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int registered_globalsteps = lua_gettop(L);
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// table.insert(registered_globalsteps, func)
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lua_pushvalue(L, table_insert);
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lua_pushvalue(L, registered_globalsteps);
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lua_pushvalue(L, 1); // push function from argument 1
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// Call insert
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if(lua_pcall(L, 2, 0, 0))
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script_error(L, "error: %s\n", lua_tostring(L, -1));
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return 0; /* number of results */
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}
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// register_tool(name, {lots of stuff})
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static int l_register_tool(lua_State *L)
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{
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@ -395,12 +405,90 @@ static int l_register_craft(lua_State *L)
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return 0; /* number of results */
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}
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// Register a global step function
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// register_globalstep(function)
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static int l_register_globalstep(lua_State *L)
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{
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luaL_checktype(L, 1, LUA_TFUNCTION);
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infostream<<"register_globalstep"<<std::endl;
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lua_getglobal(L, "table");
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lua_getfield(L, -1, "insert");
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int table_insert = lua_gettop(L);
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// Get minetest.registered_globalsteps
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lua_getglobal(L, "minetest");
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lua_getfield(L, -1, "registered_globalsteps");
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luaL_checktype(L, -1, LUA_TTABLE);
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int registered_globalsteps = lua_gettop(L);
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// table.insert(registered_globalsteps, func)
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lua_pushvalue(L, table_insert);
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lua_pushvalue(L, registered_globalsteps);
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lua_pushvalue(L, 1); // push function from argument 1
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// Call insert
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if(lua_pcall(L, 2, 0, 0))
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script_error(L, "error: %s\n", lua_tostring(L, -1));
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return 0; /* number of results */
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}
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// register_on_placenode(function)
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static int l_register_on_placenode(lua_State *L)
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{
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luaL_checktype(L, 1, LUA_TFUNCTION);
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infostream<<"register_on_placenode"<<std::endl;
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lua_getglobal(L, "table");
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lua_getfield(L, -1, "insert");
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int table_insert = lua_gettop(L);
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// Get minetest.registered_on_placenodes
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lua_getglobal(L, "minetest");
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lua_getfield(L, -1, "registered_on_placenodes");
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luaL_checktype(L, -1, LUA_TTABLE);
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int registered_on_placenodes = lua_gettop(L);
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// table.insert(registered_on_placenodes, func)
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lua_pushvalue(L, table_insert);
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lua_pushvalue(L, registered_on_placenodes);
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lua_pushvalue(L, 1); // push function from argument 1
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// Call insert
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if(lua_pcall(L, 2, 0, 0))
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script_error(L, "error: %s\n", lua_tostring(L, -1));
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return 0; /* number of results */
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}
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// register_on_dignode(function)
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static int l_register_on_dignode(lua_State *L)
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{
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luaL_checktype(L, 1, LUA_TFUNCTION);
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infostream<<"register_on_dignode"<<std::endl;
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lua_getglobal(L, "table");
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lua_getfield(L, -1, "insert");
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int table_insert = lua_gettop(L);
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// Get minetest.registered_on_dignodes
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lua_getglobal(L, "minetest");
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lua_getfield(L, -1, "registered_on_dignodes");
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luaL_checktype(L, -1, LUA_TTABLE);
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int registered_on_dignodes = lua_gettop(L);
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// table.insert(registered_on_dignodes, func)
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lua_pushvalue(L, table_insert);
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lua_pushvalue(L, registered_on_dignodes);
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lua_pushvalue(L, 1); // push function from argument 1
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// Call insert
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if(lua_pcall(L, 2, 0, 0))
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script_error(L, "error: %s\n", lua_tostring(L, -1));
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return 0; /* number of results */
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}
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static const struct luaL_Reg minetest_f [] = {
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{"register_entity", l_register_entity},
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{"register_globalstep", l_register_globalstep},
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{"register_tool", l_register_tool},
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{"register_node", l_register_node},
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{"register_craft", l_register_craft},
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{"register_globalstep", l_register_globalstep},
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{"register_on_placenode", l_register_on_placenode},
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{"register_on_dignode", l_register_on_dignode},
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{NULL, NULL}
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};
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@ -807,6 +895,12 @@ void scriptapi_export(lua_State *L, Server *server)
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lua_newtable(L);
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lua_setfield(L, -2, "registered_globalsteps");
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lua_newtable(L);
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lua_setfield(L, -2, "registered_on_placenodes");
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lua_newtable(L);
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lua_setfield(L, -2, "registered_on_dignodes");
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lua_newtable(L);
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lua_setfield(L, -2, "object_refs");
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@ -922,7 +1016,7 @@ void scriptapi_environment_step(lua_State *L, float dtime)
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{
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realitycheck(L);
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assert(lua_checkstack(L, 20));
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//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
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//infostream<<"scriptapi_environment_step"<<std::endl;
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StackUnroller stack_unroller(L);
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// Get minetest.registered_globalsteps
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@ -943,6 +1037,72 @@ void scriptapi_environment_step(lua_State *L, float dtime)
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}
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}
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void scriptapi_environment_on_placenode(lua_State *L, v3s16 p, MapNode newnode)
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{
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realitycheck(L);
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assert(lua_checkstack(L, 20));
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//infostream<<"scriptapi_environment_on_placenode"<<std::endl;
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StackUnroller stack_unroller(L);
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// Get server from registry
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lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
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Server *server = (Server*)lua_touserdata(L, -1);
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// And get the writable node definition manager from the server
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IWritableNodeDefManager *ndef =
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server->getWritableNodeDefManager();
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// Get minetest.registered_on_placenodes
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lua_getglobal(L, "minetest");
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lua_getfield(L, -1, "registered_on_placenodes");
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luaL_checktype(L, -1, LUA_TTABLE);
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int table = lua_gettop(L);
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// Foreach
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lua_pushnil(L);
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while(lua_next(L, table) != 0){
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// key at index -2 and value at index -1
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luaL_checktype(L, -1, LUA_TFUNCTION);
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// Call function
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pushpos(L, p);
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pushnode(L, newnode, ndef);
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if(lua_pcall(L, 2, 0, 0))
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script_error(L, "error: %s\n", lua_tostring(L, -1));
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// value removed, keep key for next iteration
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}
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}
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void scriptapi_environment_on_dignode(lua_State *L, v3s16 p, MapNode oldnode)
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{
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realitycheck(L);
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assert(lua_checkstack(L, 20));
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//infostream<<"scriptapi_environment_on_dignode"<<std::endl;
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StackUnroller stack_unroller(L);
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// Get server from registry
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lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
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Server *server = (Server*)lua_touserdata(L, -1);
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// And get the writable node definition manager from the server
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IWritableNodeDefManager *ndef =
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server->getWritableNodeDefManager();
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// Get minetest.registered_on_dignodes
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lua_getglobal(L, "minetest");
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lua_getfield(L, -1, "registered_on_dignodes");
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luaL_checktype(L, -1, LUA_TTABLE);
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int table = lua_gettop(L);
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// Foreach
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lua_pushnil(L);
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while(lua_next(L, table) != 0){
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// key at index -2 and value at index -1
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luaL_checktype(L, -1, LUA_TFUNCTION);
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// Call function
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pushpos(L, p);
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pushnode(L, oldnode, ndef);
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if(lua_pcall(L, 2, 0, 0))
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script_error(L, "error: %s\n", lua_tostring(L, -1));
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// value removed, keep key for next iteration
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}
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}
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/*
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luaentity
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*/
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