3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #include "cpp_api/s_env.h"
21 #include "cpp_api/s_internal.h"
22 #include "common/c_converter.h"
24 #include "environment.h"
26 #include "lua_api/l_env.h"
29 void ScriptApiEnv::environment_OnGenerated(v3s16 minp, v3s16 maxp,
32 SCRIPTAPI_PRECHECKHEADER
34 // Get minetest.registered_on_generateds
35 lua_getglobal(L, "minetest");
36 lua_getfield(L, -1, "registered_on_generateds");
40 lua_pushnumber(L, blockseed);
41 script_run_callbacks(L, 3, RUN_CALLBACKS_MODE_FIRST);
44 void ScriptApiEnv::environment_Step(float dtime)
46 SCRIPTAPI_PRECHECKHEADER
47 //infostream<<"scriptapi_environment_step"<<std::endl;
49 // Get minetest.registered_globalsteps
50 lua_getglobal(L, "minetest");
51 lua_getfield(L, -1, "registered_globalsteps");
53 lua_pushnumber(L, dtime);
55 script_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
56 } catch (LuaError &e) {
57 getServer()->setAsyncFatalError(e.what());
61 void ScriptApiEnv::environment_OnMapgenInit(MapgenParams *mgparams)
63 SCRIPTAPI_PRECHECKHEADER
65 // Get minetest.registered_on_mapgen_inits
66 lua_getglobal(L, "minetest");
67 lua_getfield(L, -1, "registered_on_mapgen_inits");
72 lua_pushstring(L, mgparams->mg_name.c_str());
73 lua_setfield(L, -2, "mgname");
75 lua_pushinteger(L, mgparams->seed);
76 lua_setfield(L, -2, "seed");
78 lua_pushinteger(L, mgparams->water_level);
79 lua_setfield(L, -2, "water_level");
81 std::string flagstr = writeFlagString(mgparams->flags,
82 flagdesc_mapgen, (u32)-1);
83 lua_pushstring(L, flagstr.c_str());
84 lua_setfield(L, -2, "flags");
86 script_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
89 void ScriptApiEnv::initializeEnvironment(ServerEnvironment *env)
91 SCRIPTAPI_PRECHECKHEADER
92 verbosestream<<"scriptapi_add_environment"<<std::endl;
96 Add ActiveBlockModifiers to environment
99 // Get minetest.registered_abms
100 lua_getglobal(L, "minetest");
101 lua_getfield(L, -1, "registered_abms");
102 luaL_checktype(L, -1, LUA_TTABLE);
103 int registered_abms = lua_gettop(L);
105 if(lua_istable(L, registered_abms)){
106 int table = lua_gettop(L);
108 while(lua_next(L, table) != 0){
109 // key at index -2 and value at index -1
110 int id = lua_tonumber(L, -2);
111 int current_abm = lua_gettop(L);
113 std::set<std::string> trigger_contents;
114 lua_getfield(L, current_abm, "nodenames");
115 if(lua_istable(L, -1)){
116 int table = lua_gettop(L);
118 while(lua_next(L, table) != 0){
119 // key at index -2 and value at index -1
120 luaL_checktype(L, -1, LUA_TSTRING);
121 trigger_contents.insert(lua_tostring(L, -1));
122 // removes value, keeps key for next iteration
125 } else if(lua_isstring(L, -1)){
126 trigger_contents.insert(lua_tostring(L, -1));
130 std::set<std::string> required_neighbors;
131 lua_getfield(L, current_abm, "neighbors");
132 if(lua_istable(L, -1)){
133 int table = lua_gettop(L);
135 while(lua_next(L, table) != 0){
136 // key at index -2 and value at index -1
137 luaL_checktype(L, -1, LUA_TSTRING);
138 required_neighbors.insert(lua_tostring(L, -1));
139 // removes value, keeps key for next iteration
142 } else if(lua_isstring(L, -1)){
143 required_neighbors.insert(lua_tostring(L, -1));
147 float trigger_interval = 10.0;
148 getfloatfield(L, current_abm, "interval", trigger_interval);
150 int trigger_chance = 50;
151 getintfield(L, current_abm, "chance", trigger_chance);
153 LuaABM *abm = new LuaABM(L, id, trigger_contents,
154 required_neighbors, trigger_interval, trigger_chance);
156 env->addActiveBlockModifier(abm);
158 // removes value, keeps key for next iteration