1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "cpp_api/s_inventory.h"
#include "cpp_api/s_internal.h"
#include "inventorymanager.h"
#include "lua_api/l_inventory.h"
#include "lua_api/l_item.h"
#include "log.h"
// Return number of accepted items to be moved
int ScriptApiDetached::detached_inventory_AllowMove(
const std::string &name,
const std::string &from_list, int from_index,
const std::string &to_list, int to_index,
int count, ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "allow_move"))
return count;
// function(inv, from_list, from_index, to_list, to_index, count, player)
// inv
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
lua_pushstring(L, from_list.c_str()); // from_list
lua_pushinteger(L, from_index + 1); // from_index
lua_pushstring(L, to_list.c_str()); // to_list
lua_pushinteger(L, to_index + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(player); // player
if (lua_pcall(L, 7, 1, m_errorhandler))
scriptError();
if(!lua_isnumber(L, -1))
throw LuaError("allow_move should return a number. name=" + name);
int ret = luaL_checkinteger(L, -1);
lua_pop(L, 1); // Pop integer
return ret;
}
// Return number of accepted items to be put
int ScriptApiDetached::detached_inventory_AllowPut(
const std::string &name,
const std::string &listname, int index, ItemStack &stack,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "allow_put"))
return stack.count; // All will be accepted
// Call function(inv, listname, index, stack, player)
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc); // inv
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if (lua_pcall(L, 5, 1, m_errorhandler))
scriptError();
if (!lua_isnumber(L, -1))
throw LuaError("allow_put should return a number. name=" + name);
int ret = luaL_checkinteger(L, -1);
lua_pop(L, 1); // Pop integer
return ret;
}
// Return number of accepted items to be taken
int ScriptApiDetached::detached_inventory_AllowTake(
const std::string &name,
const std::string &listname, int index, ItemStack &stack,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "allow_take"))
return stack.count; // All will be accepted
// Call function(inv, listname, index, stack, player)
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc); // inv
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if (lua_pcall(L, 5, 1, m_errorhandler))
scriptError();
if (!lua_isnumber(L, -1))
throw LuaError("allow_take should return a number. name=" + name);
int ret = luaL_checkinteger(L, -1);
lua_pop(L, 1); // Pop integer
return ret;
}
// Report moved items
void ScriptApiDetached::detached_inventory_OnMove(
const std::string &name,
const std::string &from_list, int from_index,
const std::string &to_list, int to_index,
int count, ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "on_move"))
return;
// function(inv, from_list, from_index, to_list, to_index, count, player)
// inv
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
lua_pushstring(L, from_list.c_str()); // from_list
lua_pushinteger(L, from_index + 1); // from_index
lua_pushstring(L, to_list.c_str()); // to_list
lua_pushinteger(L, to_index + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(player); // player
if (lua_pcall(L, 7, 0, m_errorhandler))
scriptError();
}
// Report put items
void ScriptApiDetached::detached_inventory_OnPut(
const std::string &name,
const std::string &listname, int index, ItemStack &stack,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "on_put"))
return;
// Call function(inv, listname, index, stack, player)
// inv
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if (lua_pcall(L, 5, 0, m_errorhandler))
scriptError();
}
// Report taken items
void ScriptApiDetached::detached_inventory_OnTake(
const std::string &name,
const std::string &listname, int index, ItemStack &stack,
ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "on_take"))
return;
// Call function(inv, listname, index, stack, player)
// inv
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if (lua_pcall(L, 5, 0, m_errorhandler))
scriptError();
}
// Retrieves minetest.detached_inventories[name][callbackname]
// If that is nil or on error, return false and stack is unchanged
// If that is a function, returns true and pushes the
// function onto the stack
bool ScriptApiDetached::getDetachedInventoryCallback(
const std::string &name, const char *callbackname)
{
lua_State *L = getStack();
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "detached_inventories");
lua_remove(L, -2);
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, name.c_str());
lua_remove(L, -2);
// Should be a table
if(lua_type(L, -1) != LUA_TTABLE)
{
errorstream<<"Detached inventory \""<<name<<"\" not defined"<<std::endl;
lua_pop(L, 1);
return false;
}
lua_getfield(L, -1, callbackname);
lua_remove(L, -2);
// Should be a function or nil
if(lua_type(L, -1) == LUA_TFUNCTION)
{
return true;
}
else if(lua_isnil(L, -1))
{
lua_pop(L, 1);
return false;
}
else
{
errorstream<<"Detached inventory \""<<name<<"\" callback \""
<<callbackname<<"\" is not a function"<<std::endl;
lua_pop(L, 1);
return false;
}
}
|
