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
|
#include <direct.h>
#include <Windows.h>
#include "common.h"
#include "patcher.h"
#include "Renderer.h"
#include "Credits.h"
#include "Camera.h"
#include "debugmenu_public.h"
void **rwengine = *(void***)0x5A10E1;
GlobalScene &Scene = *(GlobalScene*)0x726768;
DebugMenuAPI gDebugMenuAPI;
WRAPPER void *gtanew(uint32 sz) { EAXJMP(0x5A0690); }
WRAPPER void gtadelete(void *p) { EAXJMP(0x5A07E0); }
// overload our own new/delete with GTA's functions
void *operator new(size_t sz) { return gtanew(sz); }
void operator delete(void *ptr) noexcept { gtadelete(ptr); }
#if USE_PS2_RAND == TRUE
unsigned __int64 myrand_seed = 1;
#else
unsigned long int myrand_seed = 1;
#endif
int
myrand(void)
{
#if USE_PS2_RAND == TRUE
// Use our own implementation of rand, stolen from PS2
myrand_seed = 0x5851F42D4C957F2D * myrand_seed + 1;
return ((myrand_seed >> 32) & 0x7FFFFFFF);
#else
// or original codewarrior rand
myrand_seed = myrand_seed * 1103515245 + 12345;
return((myrand_seed >> 16) & 0x7FFF);
#endif
}
void
mysrand(unsigned int seed)
{
myrand_seed = seed;
}
// platform stuff
char*
GetUserDirectory(void)
{
static char path[MAX_PATH];
strcpy(path, "userfiles");
mkdir(path);
return path;
}
int (*open_script_orig)(const char *path, const char *mode);
int
open_script(const char *path, const char *mode)
{
if(GetAsyncKeyState('D') & 0x8000)
return open_script_orig("main_d.scm", mode);
// if(GetAsyncKeyState('R') & 0x8000)
return open_script_orig("main_freeroam.scm", mode);
return open_script_orig(path, mode);
}
int gDbgSurf;
void (*DebugMenuProcess)(void);
void (*DebugMenuRender)(void);
static void stub(void) { }
void
DebugMenuInit(void)
{
if(DebugMenuLoad()){
DebugMenuProcess = (void(*)(void))GetProcAddress(gDebugMenuAPI.module, "DebugMenuProcess");
DebugMenuRender = (void(*)(void))GetProcAddress(gDebugMenuAPI.module, "DebugMenuRender");
}
if(DebugMenuProcess == nil || DebugMenuRender == nil){
DebugMenuProcess = stub;
DebugMenuRender = stub;
}
}
int (*RsEventHandler_orig)(int a, int b);
int
delayedPatches10(int a, int b)
{
DebugMenuInit();
if(DebugMenuLoad()){
DebugMenuAddVarBool8("Debug", "Show Ped Road Groups", (int8*)&gbShowPedRoadGroups, nil);
DebugMenuAddVarBool8("Debug", "Show Car Road Groups", (int8*)&gbShowCarRoadGroups, nil);
DebugMenuAddVarBool8("Debug", "Show Collision Polys", (int8*)&gbShowCollisionPolys, nil);
DebugMenuAddVarBool8("Debug", "Don't render Buildings", (int8*)&gbDontRenderBuildings, nil);
DebugMenuAddVarBool8("Debug", "Don't render Big Buildings", (int8*)&gbDontRenderBigBuildings, nil);
DebugMenuAddVarBool8("Debug", "Don't render Peds", (int8*)&gbDontRenderPeds, nil);
DebugMenuAddVarBool8("Debug", "Don't render Objects", (int8*)&gbDontRenderObjects, nil);
DebugMenuAddVar("Debug", "Dbg Surface", &gDbgSurf, nil, 1, 0, 34, nil);
DebugMenuAddCmd("Debug", "Start Credits", CCredits::Start);
DebugMenuAddCmd("Debug", "Stop Credits", CCredits::Stop);
}
return RsEventHandler_orig(a, b);
}
void __declspec(naked) HeadlightsFix()
{
static const float fMinusOne = -1.0f;
_asm
{
fld [esp+708h-690h]
fcomp fMinusOne
fnstsw ax
and ah, 5
cmp ah, 1
jnz HeadlightsFix_DontLimit
fld fMinusOne
fstp [esp+708h-690h]
HeadlightsFix_DontLimit:
fld [esp+708h-690h]
fabs
fld st
push 0x5382F2
retn
}
}
void
patch()
{
StaticPatcher::Apply();
Patch<float>(0x46BC61+6, 1.0f); // car distance
InjectHook(0x59E460, printf, PATCH_JUMP);
// stolen from silentpatch (sorry)
Patch<WORD>(0x5382BF, 0x0EEB);
InjectHook(0x5382EC, HeadlightsFix, PATCH_JUMP);
InterceptCall(&open_script_orig, open_script, 0x438869);
InterceptCall(&RsEventHandler_orig, delayedPatches10, 0x58275E);
}
BOOL WINAPI
DllMain(HINSTANCE hInst, DWORD reason, LPVOID)
{
if(reason == DLL_PROCESS_ATTACH){
AllocConsole();
freopen("CONIN$", "r", stdin);
freopen("CONOUT$", "w", stdout);
freopen("CONOUT$", "w", stderr);
if (*(DWORD*)0x5C1E75 == 0xB85548EC) // 1.0
patch();
else
return FALSE;
}
return TRUE;
}
|
