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 core.registered_on_generateds
35 lua_getglobal(L, "core");
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 core.registered_globalsteps
50 lua_getglobal(L, "core");
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::player_event(ServerActiveObject* player, std::string type)
63 SCRIPTAPI_PRECHECKHEADER
65 // Get minetest.registered_playerevents
66 lua_getglobal(L, "minetest");
67 lua_getfield(L, -1, "registered_playerevents");
70 objectrefGetOrCreate(player); // player
71 lua_pushstring(L,type.c_str()); // event type
73 script_run_callbacks(L, 2, RUN_CALLBACKS_MODE_FIRST);
74 } catch (LuaError &e) {
75 getServer()->setAsyncFatalError(e.what());
79 void ScriptApiEnv::environment_OnMapgenInit(MapgenParams *mgparams)
81 SCRIPTAPI_PRECHECKHEADER
83 // Get core.registered_on_mapgen_inits
84 lua_getglobal(L, "core");
85 lua_getfield(L, -1, "registered_on_mapgen_inits");
90 lua_pushstring(L, mgparams->mg_name.c_str());
91 lua_setfield(L, -2, "mgname");
93 lua_pushinteger(L, mgparams->seed);
94 lua_setfield(L, -2, "seed");
96 lua_pushinteger(L, mgparams->water_level);
97 lua_setfield(L, -2, "water_level");
99 std::string flagstr = writeFlagString(mgparams->flags,
100 flagdesc_mapgen, (u32)-1);
101 lua_pushstring(L, flagstr.c_str());
102 lua_setfield(L, -2, "flags");
104 script_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
107 void ScriptApiEnv::initializeEnvironment(ServerEnvironment *env)
109 SCRIPTAPI_PRECHECKHEADER
110 verbosestream<<"scriptapi_add_environment"<<std::endl;
114 Add ActiveBlockModifiers to environment
117 // Get core.registered_abms
118 lua_getglobal(L, "core");
119 lua_getfield(L, -1, "registered_abms");
120 luaL_checktype(L, -1, LUA_TTABLE);
121 int registered_abms = lua_gettop(L);
123 if(lua_istable(L, registered_abms)){
124 int table = lua_gettop(L);
126 while(lua_next(L, table) != 0){
127 // key at index -2 and value at index -1
128 int id = lua_tonumber(L, -2);
129 int current_abm = lua_gettop(L);
131 std::set<std::string> trigger_contents;
132 lua_getfield(L, current_abm, "nodenames");
133 if(lua_istable(L, -1)){
134 int table = lua_gettop(L);
136 while(lua_next(L, table) != 0){
137 // key at index -2 and value at index -1
138 luaL_checktype(L, -1, LUA_TSTRING);
139 trigger_contents.insert(lua_tostring(L, -1));
140 // removes value, keeps key for next iteration
143 } else if(lua_isstring(L, -1)){
144 trigger_contents.insert(lua_tostring(L, -1));
148 std::set<std::string> required_neighbors;
149 lua_getfield(L, current_abm, "neighbors");
150 if(lua_istable(L, -1)){
151 int table = lua_gettop(L);
153 while(lua_next(L, table) != 0){
154 // key at index -2 and value at index -1
155 luaL_checktype(L, -1, LUA_TSTRING);
156 required_neighbors.insert(lua_tostring(L, -1));
157 // removes value, keeps key for next iteration
160 } else if(lua_isstring(L, -1)){
161 required_neighbors.insert(lua_tostring(L, -1));
165 float trigger_interval = 10.0;
166 getfloatfield(L, current_abm, "interval", trigger_interval);
168 int trigger_chance = 50;
169 getintfield(L, current_abm, "chance", trigger_chance);
171 LuaABM *abm = new LuaABM(L, id, trigger_contents,
172 required_neighbors, trigger_interval, trigger_chance);
174 env->addActiveBlockModifier(abm);
176 // removes value, keeps key for next iteration