This repository has been archived by the owner on Jan 25, 2018. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 6
/
launcher.cpp
244 lines (192 loc) · 6.41 KB
/
launcher.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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
#include <windows.h>
#include "metahook.h"
#include <IEngine.h>
#include "LoadBlob.h"
#include "ExceptHandle.h"
#include "sys.h"
#pragma warning(disable : 4733)
#pragma comment(lib, "ws2_32.lib")
IFileSystem *g_pFileSystem;
HINTERFACEMODULE LoadFilesystemModule(void)
{
HINTERFACEMODULE hModule = Sys_LoadModule("filesystem_stdio.dll");
if (!hModule)
{
MessageBox(NULL, "Could not load filesystem dll.\nFileSystem crashed during construction.", "Fatal Error", MB_ICONERROR);
return NULL;
}
return hModule;
}
void SetEngineDLL(const char *&pszEngineDLL)
{
pszEngineDLL = "hw.dll";
registry->WriteString("EngineDLL", pszEngineDLL);
}
BOOL OnVideoModeFailed(void)
{
registry->WriteInt("ScreenWidth", 640);
registry->WriteInt("ScreenHeight", 480);
registry->WriteInt("ScreenBPP", 16);
registry->WriteString("EngineDLL", "sw.dll");
return (MessageBox(NULL, "The specified video mode is not supported.\nThe game will now run in software mode.", "Video mode change failure", MB_OKCANCEL | MB_ICONWARNING) == IDOK);
}
BlobFootprint_t g_blobfootprintClient;
int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
HANDLE hObject = NULL;
BOOL (*IsDebuggerPresent)(void) = (BOOL (*)(void))GetProcAddress(GetModuleHandle("kernel32.dll"), "IsDebuggerPresent");
if (!IsDebuggerPresent())
{
hObject = CreateMutex(NULL, FALSE, "ValveHalfLifeLauncherMutex");
DWORD dwStatus = WaitForSingleObject(hObject, 0);
if (dwStatus && dwStatus != WAIT_ABANDONED)
{
MessageBox(NULL, "Could not launch game.\nOnly one instance of this game can be run at a time.", "Error", MB_ICONERROR);
return 0;
}
}
WSAData WSAData;
WSAStartup(2, &WSAData);
registry->Init();
CommandLine()->CreateCmdLine(GetCommandLine());
CommandLine()->AppendParm("-nomaster", NULL);
char szFileName[256];
Sys_GetExecutableName(szFileName, sizeof(szFileName));
char *szExeName = strrchr(szFileName, '\\') + 1;
if (stricmp(szExeName, "hl.exe") && CommandLine()->CheckParm("-game") == NULL)
{
szExeName[strlen(szExeName) - 4] = '\0';
CommandLine()->AppendParm("-game", szExeName);
}
const char *_szGameName;
static char szGameName[32];
const char *szGameStr = CommandLine()->CheckParm("-game", &_szGameName);
strcpy(szGameName, _szGameName);
if (szGameStr && !strnicmp(&szGameStr[6], "czero", 5))
CommandLine()->AppendParm("-forcevalve", NULL);
if (registry->ReadInt("CrashInitializingVideoMode", FALSE))
{
registry->WriteInt("CrashInitializingVideoMode", FALSE);
if (strcmp(registry->ReadString("EngineDLL", "hw.dll"), "hw.dll"))
{
if (registry->ReadInt("EngineD3D", FALSE))
{
registry->WriteInt("EngineD3D", FALSE);
if (MessageBox(NULL, "The game has detected that the previous attempt to start in D3D video mode failed.\nThe game will now run attempt to run in openGL mode.", "Video mode change failure", MB_OKCANCEL | MB_ICONWARNING) != IDOK)
return 0;
}
else
{
registry->WriteString("EngineDLL", "sw.dll");
if (MessageBox(NULL, "The game has detected that the previous attempt to start in openGL video mode failed.\nThe game will now run in software mode.", "Video mode change failure", MB_OKCANCEL | MB_ICONWARNING) != IDOK)
return 0;
}
registry->WriteInt("ScreenWidth", 640);
registry->WriteInt("ScreenHeight", 480);
registry->WriteInt("ScreenBPP", 16);
}
}
while (1)
{
HINTERFACEMODULE hFileSystem = LoadFilesystemModule();
if (!hFileSystem)
break;
MH_Init(szGameName);
CreateInterfaceFn fsCreateInterface = (CreateInterfaceFn)Sys_GetFactory(hFileSystem);
g_pFileSystem = (IFileSystem *)fsCreateInterface(FILESYSTEM_INTERFACE_VERSION, NULL);
g_pFileSystem->Mount();
g_pFileSystem->AddSearchPath(Sys_GetLongPathName(), "ROOT");
static char szNewCommandParams[2048];
const char *pszEngineDLL;
int iResult = ENGINE_RESULT_NONE;
szNewCommandParams[0] = 0;
SetEngineDLL(pszEngineDLL);
g_blobfootprintClient.m_hDll = NULL;
IEngine *engineAPI = NULL;
HINTERFACEMODULE hEngine;
bool bUseBlobDLL = false;
if (FIsBlob(pszEngineDLL))
{
Sys_CloseDEP();
SetupExceptHandler3();
NLoadBlobFile(pszEngineDLL, &g_blobfootprintClient, (void **)&engineAPI);
bUseBlobDLL = true;
}
else
{
hEngine = Sys_LoadModule(pszEngineDLL);
if (!hEngine)
{
static char msg[512];
wsprintf(msg, "Could not load %s.\nPlease try again at a later time.", pszEngineDLL);
MessageBox(NULL, msg, "Fatal Error", MB_ICONERROR);
break;
}
CreateInterfaceFn engineCreateInterface = (CreateInterfaceFn)Sys_GetFactory(hEngine);
engineAPI = (IEngine *)engineCreateInterface(VENGINE_LAUNCHER_API_VERSION, NULL);
if (!engineCreateInterface || !engineAPI)
Sys_FreeModule(hEngine);
}
if (engineAPI)
{
MH_LoadEngine(bUseBlobDLL ? NULL : (HMODULE)hEngine);
iResult = engineAPI->Run(hInstance, Sys_GetLongPathName(), CommandLine()->GetCmdLine(), szNewCommandParams, Sys_GetFactoryThis(), Sys_GetFactory(hFileSystem));
MH_ExitGame(iResult);
if (bUseBlobDLL)
FreeBlob(&g_blobfootprintClient);
else
Sys_FreeModule(hEngine);
}
if (iResult == ENGINE_RESULT_NONE || iResult > ENGINE_RESULT_UNSUPPORTEDVIDEO)
break;
bool bContinue;
switch (iResult)
{
case ENGINE_RESULT_RESTART:
{
bContinue = true;
break;
}
case ENGINE_RESULT_UNSUPPORTEDVIDEO:
{
bContinue = OnVideoModeFailed();
break;
}
}
CommandLine()->RemoveParm("-sw");
CommandLine()->RemoveParm("-startwindowed");
CommandLine()->RemoveParm("-windowed");
CommandLine()->RemoveParm("-window");
CommandLine()->RemoveParm("-full");
CommandLine()->RemoveParm("-fullscreen");
CommandLine()->RemoveParm("-soft");
CommandLine()->RemoveParm("-software");
CommandLine()->RemoveParm("-gl");
CommandLine()->RemoveParm("-d3d");
CommandLine()->RemoveParm("-w");
CommandLine()->RemoveParm("-width");
CommandLine()->RemoveParm("-h");
CommandLine()->RemoveParm("-height");
CommandLine()->RemoveParm("-novid");
if (strstr(szNewCommandParams, "-game"))
CommandLine()->RemoveParm("-game");
if (strstr(szNewCommandParams, "+load"))
CommandLine()->RemoveParm("+load");
CommandLine()->AppendParm(szNewCommandParams, NULL);
g_pFileSystem->Unmount();
Sys_FreeModule(hFileSystem);
MH_Shutdown();
if (!bContinue)
break;
}
registry->Shutdown();
if (hObject)
{
ReleaseMutex(hObject);
CloseHandle(hObject);
}
WSACleanup();
MH_Shutdown();
TerminateProcess(GetCurrentProcess(), 1);
return 1;
}