Line data Source code
1 : /*
2 : Minetest
3 : Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 :
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.
9 :
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.
14 :
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.
18 : */
19 :
20 : #include "cpp_api/s_env.h"
21 : #include "cpp_api/s_internal.h"
22 : #include "common/c_converter.h"
23 : #include "log.h"
24 : #include "environment.h"
25 : #include "mapgen.h"
26 : #include "lua_api/l_env.h"
27 : #include "server.h"
28 :
29 0 : void ScriptApiEnv::environment_OnGenerated(v3s16 minp, v3s16 maxp,
30 : u32 blockseed)
31 : {
32 0 : SCRIPTAPI_PRECHECKHEADER
33 :
34 : // Get core.registered_on_generateds
35 0 : lua_getglobal(L, "core");
36 0 : lua_getfield(L, -1, "registered_on_generateds");
37 : // Call callbacks
38 0 : push_v3s16(L, minp);
39 0 : push_v3s16(L, maxp);
40 0 : lua_pushnumber(L, blockseed);
41 0 : script_run_callbacks(L, 3, RUN_CALLBACKS_MODE_FIRST);
42 0 : }
43 :
44 0 : void ScriptApiEnv::environment_Step(float dtime)
45 : {
46 0 : SCRIPTAPI_PRECHECKHEADER
47 : //infostream<<"scriptapi_environment_step"<<std::endl;
48 :
49 : // Get core.registered_globalsteps
50 0 : lua_getglobal(L, "core");
51 0 : lua_getfield(L, -1, "registered_globalsteps");
52 : // Call callbacks
53 0 : lua_pushnumber(L, dtime);
54 : try {
55 0 : script_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
56 0 : } catch (LuaError &e) {
57 0 : getServer()->setAsyncFatalError(e.what());
58 : }
59 0 : }
60 :
61 0 : void ScriptApiEnv::player_event(ServerActiveObject* player, std::string type)
62 : {
63 0 : SCRIPTAPI_PRECHECKHEADER
64 :
65 0 : if (player == NULL)
66 0 : return;
67 :
68 : // Get minetest.registered_playerevents
69 0 : lua_getglobal(L, "minetest");
70 0 : lua_getfield(L, -1, "registered_playerevents");
71 :
72 : // Call callbacks
73 0 : objectrefGetOrCreate(L, player); // player
74 0 : lua_pushstring(L,type.c_str()); // event type
75 : try {
76 0 : script_run_callbacks(L, 2, RUN_CALLBACKS_MODE_FIRST);
77 0 : } catch (LuaError &e) {
78 0 : getServer()->setAsyncFatalError(e.what());
79 : }
80 : }
81 :
82 0 : void ScriptApiEnv::initializeEnvironment(ServerEnvironment *env)
83 : {
84 0 : SCRIPTAPI_PRECHECKHEADER
85 0 : verbosestream<<"scriptapi_add_environment"<<std::endl;
86 0 : setEnv(env);
87 :
88 : /*
89 : Add ActiveBlockModifiers to environment
90 : */
91 :
92 : // Get core.registered_abms
93 0 : lua_getglobal(L, "core");
94 0 : lua_getfield(L, -1, "registered_abms");
95 0 : luaL_checktype(L, -1, LUA_TTABLE);
96 0 : int registered_abms = lua_gettop(L);
97 :
98 0 : if(lua_istable(L, registered_abms)){
99 0 : int table = lua_gettop(L);
100 0 : lua_pushnil(L);
101 0 : while(lua_next(L, table) != 0){
102 : // key at index -2 and value at index -1
103 0 : int id = lua_tonumber(L, -2);
104 0 : int current_abm = lua_gettop(L);
105 :
106 0 : std::set<std::string> trigger_contents;
107 0 : lua_getfield(L, current_abm, "nodenames");
108 0 : if(lua_istable(L, -1)){
109 0 : int table = lua_gettop(L);
110 0 : lua_pushnil(L);
111 0 : while(lua_next(L, table) != 0){
112 : // key at index -2 and value at index -1
113 0 : luaL_checktype(L, -1, LUA_TSTRING);
114 0 : trigger_contents.insert(lua_tostring(L, -1));
115 : // removes value, keeps key for next iteration
116 0 : lua_pop(L, 1);
117 : }
118 0 : } else if(lua_isstring(L, -1)){
119 0 : trigger_contents.insert(lua_tostring(L, -1));
120 : }
121 0 : lua_pop(L, 1);
122 :
123 0 : std::set<std::string> required_neighbors;
124 0 : lua_getfield(L, current_abm, "neighbors");
125 0 : if(lua_istable(L, -1)){
126 0 : int table = lua_gettop(L);
127 0 : lua_pushnil(L);
128 0 : while(lua_next(L, table) != 0){
129 : // key at index -2 and value at index -1
130 0 : luaL_checktype(L, -1, LUA_TSTRING);
131 0 : required_neighbors.insert(lua_tostring(L, -1));
132 : // removes value, keeps key for next iteration
133 0 : lua_pop(L, 1);
134 : }
135 0 : } else if(lua_isstring(L, -1)){
136 0 : required_neighbors.insert(lua_tostring(L, -1));
137 : }
138 0 : lua_pop(L, 1);
139 :
140 0 : float trigger_interval = 10.0;
141 0 : getfloatfield(L, current_abm, "interval", trigger_interval);
142 :
143 0 : int trigger_chance = 50;
144 0 : getintfield(L, current_abm, "chance", trigger_chance);
145 :
146 : LuaABM *abm = new LuaABM(L, id, trigger_contents,
147 0 : required_neighbors, trigger_interval, trigger_chance);
148 :
149 0 : env->addActiveBlockModifier(abm);
150 :
151 : // removes value, keeps key for next iteration
152 0 : lua_pop(L, 1);
153 : }
154 : }
155 0 : lua_pop(L, 1);
156 3 : }
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