-
Notifications
You must be signed in to change notification settings - Fork 0
/
extension.cpp
218 lines (176 loc) · 6.52 KB
/
extension.cpp
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
/**
* vim: set ts=4 :
* =============================================================================
* SourceMod Public Interface Wrapper Extension
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#include "extension.h"
/**
* @file extension.cpp
* @brief Implement extension code here.
*/
PublicInterfaceWrapper g_PublicInterfaceWrapper; /**< Global singleton for extension's main interface */
SMEXT_LINK(&g_PublicInterfaceWrapper);
HandleType_t g_GlobalFwdType = 0;
HandleType_t g_PrivateFwdType = 0;
cell_t LoadPluginEx(IPluginContext *pContext, const cell_t *params)
{
char *path;
bool debug = false;
PluginType type = PluginType_MapUpdated;
char *error;
size_t maxlength;
cell_t *wasloaded;
pContext->LocalToString(params[1], &path);
pContext->LocalToString(params[2], &error);
maxlength = static_cast<size_t>(params[3]);
pContext->LocalToPhysAddr(params[4], &wasloaded);
IPlugin *pPlugin = plsys->LoadPlugin(path, debug, type, error, maxlength, reinterpret_cast<bool *>(wasloaded));
if (pPlugin == NULL)
{
return static_cast<cell_t>(BAD_HANDLE);
}
return static_cast<cell_t>(pPlugin->GetMyHandle());
}
cell_t UnloadPluginEx(IPluginContext *pContext, const cell_t *params)
{
Handle_t handle;
HandleError *err;
handle = params[1];
pContext->LocalToPhysAddr(params[2], reinterpret_cast<cell_t **>(&err));
IPlugin *pPlugin = plsys->PluginFromHandle(handle, err);
if (pPlugin == NULL)
{
return static_cast<cell_t>(false);
}
*err = HandleError_None;
return static_cast<cell_t>(plsys->UnloadPlugin(pPlugin));
}
static cell_t AddToGlobalForward(IPluginContext *pContext, const cell_t *params)
{
char *fwdName;
Handle_t plHandle = static_cast<Handle_t>(params[2]);
HandleError err;
IChangeableForward *pForward;
IPlugin *pPlugin;
pContext->LocalToString(params[1], &fwdName);
if ((pForward = static_cast<IChangeableForward *>(forwards->FindForward(fwdName, NULL)))
== NULL)
{
return pContext->ThrowNativeError("Invalid global forward name %s", fwdName);
}
if (plHandle == 0)
{
pPlugin = plsys->FindPluginByContext(pContext->GetContext());
} else {
pPlugin = plsys->PluginFromHandle(plHandle, &err);
if (!pPlugin)
{
return pContext->ThrowNativeError("Plugin handle %x is invalid (error %d)", plHandle, err);
}
}
IPluginFunction *pFunction = pPlugin->GetBaseContext()->GetFunctionById(params[3]);
if (!pFunction)
{
return pContext->ThrowNativeError("Invalid function id (%X)", params[3]);
}
return pForward->AddFunction(pFunction);
}
static cell_t RemoveFromGlobalForward(IPluginContext *pContext, const cell_t *params)
{
char *fwdName;
Handle_t plHandle = static_cast<Handle_t>(params[2]);
HandleError err;
IChangeableForward *pForward;
IPlugin *pPlugin;
pContext->LocalToString(params[1], &fwdName);
if ((pForward = static_cast<IChangeableForward *>(forwards->FindForward(fwdName, NULL)))
== NULL)
{
return pContext->ThrowNativeError("Invalid global forward name %s", fwdName);
}
if (plHandle == 0)
{
pPlugin = plsys->FindPluginByContext(pContext->GetContext());
} else {
pPlugin = plsys->PluginFromHandle(plHandle, &err);
if (!pPlugin)
{
return pContext->ThrowNativeError("Plugin handle %x is invalid (error %d)", plHandle, err);
}
}
IPluginFunction *pFunction = pPlugin->GetBaseContext()->GetFunctionById(params[3]);
if (!pFunction)
{
return pContext->ThrowNativeError("Invalid function id (%X)", params[3]);
}
return pForward->RemoveFunction(pFunction);
}
static cell_t RemoveAllFromGlobalForward(IPluginContext *pContext, const cell_t *params)
{
char *fwdName;
Handle_t plHandle = static_cast<Handle_t>(params[2]);
HandleError err;
IChangeableForward *pForward;
IPlugin *pPlugin;
pContext->LocalToString(params[1], &fwdName);
if ((pForward = static_cast<IChangeableForward *>(forwards->FindForward(fwdName, NULL)))
== NULL)
{
return pContext->ThrowNativeError("Invalid global forward name %s", fwdName);
}
if (plHandle == 0)
{
pPlugin = plsys->FindPluginByContext(pContext->GetContext());
} else {
pPlugin = plsys->PluginFromHandle(plHandle, &err);
if (!pPlugin)
{
return pContext->ThrowNativeError("Plugin handle %x is invalid (error %d)", plHandle, err);
}
}
return pForward->RemoveFunctionsOfPlugin(pPlugin);
}
const sp_nativeinfo_t natives[] =
{
{"LoadPluginEx", LoadPluginEx},
{"UnloadPluginEx", UnloadPluginEx},
{"AddToGlobalForward", AddToGlobalForward},
{"RemoveFromGlobalForward", RemoveFromGlobalForward},
{"RemoveAllFromGlobalForward", RemoveAllFromGlobalForward},
{NULL, NULL},
};
bool PublicInterfaceWrapper::SDK_OnLoad(char *error, size_t maxlen, bool late)
{
handlesys->FindHandleType("GlobalFwd", &g_GlobalFwdType);
handlesys->FindHandleType("PrivateFwd", &g_PrivateFwdType);
return true;
}
void PublicInterfaceWrapper::SDK_OnAllLoaded()
{
sharesys->AddNatives(myself, natives);
}