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_nodemeta.h"
21 : #include "cpp_api/s_internal.h"
22 : #include "common/c_converter.h"
23 : #include "nodedef.h"
24 : #include "mapnode.h"
25 : #include "server.h"
26 : #include "environment.h"
27 : #include "lua_api/l_item.h"
28 :
29 : // Return number of accepted items to be moved
30 0 : int ScriptApiNodemeta::nodemeta_inventory_AllowMove(v3s16 p,
31 : const std::string &from_list, int from_index,
32 : const std::string &to_list, int to_index,
33 : int count, ServerActiveObject *player)
34 : {
35 0 : SCRIPTAPI_PRECHECKHEADER
36 :
37 0 : INodeDefManager *ndef = getServer()->ndef();
38 :
39 : // If node doesn't exist, we don't know what callback to call
40 0 : MapNode node = getEnv()->getMap().getNodeNoEx(p);
41 0 : if (node.getContent() == CONTENT_IGNORE)
42 0 : return 0;
43 :
44 : // Push callback function on stack
45 0 : std::string nodename = ndef->get(node).name;
46 0 : if (!getItemCallback(nodename.c_str(), "allow_metadata_inventory_move"))
47 0 : return count;
48 :
49 : // function(pos, from_list, from_index, to_list, to_index, count, player)
50 0 : push_v3s16(L, p); // pos
51 0 : lua_pushstring(L, from_list.c_str()); // from_list
52 0 : lua_pushinteger(L, from_index + 1); // from_index
53 0 : lua_pushstring(L, to_list.c_str()); // to_list
54 0 : lua_pushinteger(L, to_index + 1); // to_index
55 0 : lua_pushinteger(L, count); // count
56 0 : objectrefGetOrCreate(L, player); // player
57 0 : if (lua_pcall(L, 7, 1, m_errorhandler))
58 0 : scriptError();
59 0 : if (!lua_isnumber(L, -1))
60 : throw LuaError("allow_metadata_inventory_move should"
61 0 : " return a number, guilty node: " + nodename);
62 0 : int num = luaL_checkinteger(L, -1);
63 0 : lua_pop(L, 1); // Pop integer
64 0 : return num;
65 : }
66 :
67 : // Return number of accepted items to be put
68 0 : int ScriptApiNodemeta::nodemeta_inventory_AllowPut(v3s16 p,
69 : const std::string &listname, int index, ItemStack &stack,
70 : ServerActiveObject *player)
71 : {
72 0 : SCRIPTAPI_PRECHECKHEADER
73 :
74 0 : INodeDefManager *ndef = getServer()->ndef();
75 :
76 : // If node doesn't exist, we don't know what callback to call
77 0 : MapNode node = getEnv()->getMap().getNodeNoEx(p);
78 0 : if (node.getContent() == CONTENT_IGNORE)
79 0 : return 0;
80 :
81 : // Push callback function on stack
82 0 : std::string nodename = ndef->get(node).name;
83 0 : if (!getItemCallback(nodename.c_str(), "allow_metadata_inventory_put"))
84 0 : return stack.count;
85 :
86 : // Call function(pos, listname, index, stack, player)
87 0 : push_v3s16(L, p); // pos
88 0 : lua_pushstring(L, listname.c_str()); // listname
89 0 : lua_pushinteger(L, index + 1); // index
90 0 : LuaItemStack::create(L, stack); // stack
91 0 : objectrefGetOrCreate(L, player); // player
92 0 : if (lua_pcall(L, 5, 1, m_errorhandler))
93 0 : scriptError();
94 0 : if(!lua_isnumber(L, -1))
95 : throw LuaError("allow_metadata_inventory_put should"
96 0 : " return a number, guilty node: " + nodename);
97 0 : int num = luaL_checkinteger(L, -1);
98 0 : lua_pop(L, 1); // Pop integer
99 0 : return num;
100 : }
101 :
102 : // Return number of accepted items to be taken
103 0 : int ScriptApiNodemeta::nodemeta_inventory_AllowTake(v3s16 p,
104 : const std::string &listname, int index, ItemStack &stack,
105 : ServerActiveObject *player)
106 : {
107 0 : SCRIPTAPI_PRECHECKHEADER
108 :
109 0 : INodeDefManager *ndef = getServer()->ndef();
110 :
111 : // If node doesn't exist, we don't know what callback to call
112 0 : MapNode node = getEnv()->getMap().getNodeNoEx(p);
113 0 : if (node.getContent() == CONTENT_IGNORE)
114 0 : return 0;
115 :
116 : // Push callback function on stack
117 0 : std::string nodename = ndef->get(node).name;
118 0 : if (!getItemCallback(nodename.c_str(), "allow_metadata_inventory_take"))
119 0 : return stack.count;
120 :
121 : // Call function(pos, listname, index, count, player)
122 0 : push_v3s16(L, p); // pos
123 0 : lua_pushstring(L, listname.c_str()); // listname
124 0 : lua_pushinteger(L, index + 1); // index
125 0 : LuaItemStack::create(L, stack); // stack
126 0 : objectrefGetOrCreate(L, player); // player
127 0 : if (lua_pcall(L, 5, 1, m_errorhandler))
128 0 : scriptError();
129 0 : if (!lua_isnumber(L, -1))
130 : throw LuaError("allow_metadata_inventory_take should"
131 0 : " return a number, guilty node: " + nodename);
132 0 : int num = luaL_checkinteger(L, -1);
133 0 : lua_pop(L, 1); // Pop integer
134 0 : return num;
135 : }
136 :
137 : // Report moved items
138 0 : void ScriptApiNodemeta::nodemeta_inventory_OnMove(v3s16 p,
139 : const std::string &from_list, int from_index,
140 : const std::string &to_list, int to_index,
141 : int count, ServerActiveObject *player)
142 : {
143 0 : SCRIPTAPI_PRECHECKHEADER
144 :
145 0 : INodeDefManager *ndef = getServer()->ndef();
146 :
147 : // If node doesn't exist, we don't know what callback to call
148 0 : MapNode node = getEnv()->getMap().getNodeNoEx(p);
149 0 : if (node.getContent() == CONTENT_IGNORE)
150 0 : return;
151 :
152 : // Push callback function on stack
153 0 : std::string nodename = ndef->get(node).name;
154 0 : if (!getItemCallback(nodename.c_str(), "on_metadata_inventory_move"))
155 0 : return;
156 :
157 : // function(pos, from_list, from_index, to_list, to_index, count, player)
158 0 : push_v3s16(L, p); // pos
159 0 : lua_pushstring(L, from_list.c_str()); // from_list
160 0 : lua_pushinteger(L, from_index + 1); // from_index
161 0 : lua_pushstring(L, to_list.c_str()); // to_list
162 0 : lua_pushinteger(L, to_index + 1); // to_index
163 0 : lua_pushinteger(L, count); // count
164 0 : objectrefGetOrCreate(L, player); // player
165 0 : if (lua_pcall(L, 7, 0, m_errorhandler))
166 0 : scriptError();
167 : }
168 :
169 : // Report put items
170 0 : void ScriptApiNodemeta::nodemeta_inventory_OnPut(v3s16 p,
171 : const std::string &listname, int index, ItemStack &stack,
172 : ServerActiveObject *player)
173 : {
174 0 : SCRIPTAPI_PRECHECKHEADER
175 :
176 0 : INodeDefManager *ndef = getServer()->ndef();
177 :
178 : // If node doesn't exist, we don't know what callback to call
179 0 : MapNode node = getEnv()->getMap().getNodeNoEx(p);
180 0 : if (node.getContent() == CONTENT_IGNORE)
181 0 : return;
182 :
183 : // Push callback function on stack
184 0 : std::string nodename = ndef->get(node).name;
185 0 : if (!getItemCallback(nodename.c_str(), "on_metadata_inventory_put"))
186 0 : return;
187 :
188 : // Call function(pos, listname, index, stack, player)
189 0 : push_v3s16(L, p); // pos
190 0 : lua_pushstring(L, listname.c_str()); // listname
191 0 : lua_pushinteger(L, index + 1); // index
192 0 : LuaItemStack::create(L, stack); // stack
193 0 : objectrefGetOrCreate(L, player); // player
194 0 : if (lua_pcall(L, 5, 0, m_errorhandler))
195 0 : scriptError();
196 : }
197 :
198 : // Report taken items
199 0 : void ScriptApiNodemeta::nodemeta_inventory_OnTake(v3s16 p,
200 : const std::string &listname, int index, ItemStack &stack,
201 : ServerActiveObject *player)
202 : {
203 0 : SCRIPTAPI_PRECHECKHEADER
204 :
205 0 : INodeDefManager *ndef = getServer()->ndef();
206 :
207 : // If node doesn't exist, we don't know what callback to call
208 0 : MapNode node = getEnv()->getMap().getNodeNoEx(p);
209 0 : if (node.getContent() == CONTENT_IGNORE)
210 0 : return;
211 :
212 : // Push callback function on stack
213 0 : std::string nodename = ndef->get(node).name;
214 0 : if (!getItemCallback(nodename.c_str(), "on_metadata_inventory_take"))
215 0 : return;
216 :
217 : // Call function(pos, listname, index, stack, player)
218 0 : push_v3s16(L, p); // pos
219 0 : lua_pushstring(L, listname.c_str()); // listname
220 0 : lua_pushinteger(L, index + 1); // index
221 0 : LuaItemStack::create(L, stack); // stack
222 0 : objectrefGetOrCreate(L, player); // player
223 0 : if (lua_pcall(L, 5, 0, m_errorhandler))
224 0 : scriptError();
225 : }
226 :
227 0 : ScriptApiNodemeta::ScriptApiNodemeta() {
228 0 : }
229 :
230 0 : ScriptApiNodemeta::~ScriptApiNodemeta() {
231 3 : }
232 :
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