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#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('G') & 0x8000)
return open_script_orig("main.scm", 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;
}
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