1 files changed, 112 insertions, 0 deletions

diff --git a/src/re3.cpp b/src/re3.cpp
new file mode 100644
index 00000000..4f125098
--- /dev/null
+++ b/src/re3.cpp
@@ -0,0 +1,112 @@
+#include <direct.h>
+#include <Windows.h>
+#include "common.h"
+#include "patcher.h"
+#include "Renderer.h"
+#include "debugmenu_public.h"
+
+void **rwengine = *(void***)0x5A10E1;
+
+RsGlobalType &RsGlobal = *(RsGlobalType*)0x8F4360;
+
+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); }
+
+// Use our own implementation of rand, stolen from PS2
+
+unsigned __int64 myrand_seed = 1;
+
+int
+myrand(void)
+{
+	myrand_seed = 0x5851F42D4C957F2D * myrand_seed + 1;
+	return ((myrand_seed >> 32) & 0x7FFFFFFF);
+}
+
+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;
+
+int (*RsEventHandler_orig)(int a, int b);
+int
+delayedPatches10(int a, int b)
+{
+	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);
+	}
+
+	return RsEventHandler_orig(a, b);
+}
+
+void
+patch()
+{
+	StaticPatcher::Apply();
+
+	Patch<float>(0x46BC61+6, 1.0f);	// car distance
+	InjectHook(0x59E460, printf, 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;
+}