#include <windows.h>

#include "../Daodan.h"
#include "BSL.h"
#include "Cheater.h"
#include "../Daodan_Config.h"
#include "GL.h"
#include "../Daodan_Patch.h"
#include "Utility.h"
#include "Win32.h"

#include "../Oni/Oni.h"

typedef int (__cdecl *CHINESEPROC)(DWORD ThreadId); 

// Hooked WMrSlider_SetRange() in ONiOGU_Options_InitDialog. Disables a gamma
// slider in windowed mode.
static void ONICALL DD_ONiOGU_GammaSlider_SetRange(void* window, int min_value, int max_value)
{
	ConfigOption_t* co = DDrConfig_GetOptOfType("graphics.gamma", C_BOOL);
	WMrWindow_SetEnabled(window, M3gResolutionSwitch && co->value.intBoolVal);
	WMrSlider_SetRange(window, min_value, max_value);
}

void ONICALL DD_M3rDraw_BigBitmap(M3tTextureMap_Big* inBigBitmap, const M3tPointScreen* inDestPoint, UUtUns16 inWidth, UUtUns16 inHeight, UUtUns32 inShade, UUtUns16 inAlpha) /* 0 - M3cMaxAlpha */
{
	UUtUns16 x;
	UUtUns16 y;

	UUtUns16 index;
	UUtUns16 remaining_width;
	UUtUns16 remaining_height;

	M3tPointScreen dest_point;
	dest_point.z = inDestPoint->z;
	dest_point.invW = inDestPoint->invW;

	index = 0;
	remaining_height = inHeight;
	dest_point.y = (UUtInt16)((UUtUns16)inDestPoint->y);
	for (y = 0; y < inBigBitmap->num_y; y++)
	{
		remaining_width = inWidth;
		dest_point.x = (UUtInt16)((UUtUns16)inDestPoint->x);
		for (x = 0; x < inBigBitmap->num_x; x++)
		{
			UUtUns16 width;
			UUtUns16 height;
			
			width = 256 < remaining_width ? 256 : remaining_width;
			height = 256 < remaining_height ? 256 : remaining_height;
            			
			M3rDraw_Bitmap(inBigBitmap->textures[index], &dest_point, width, height, inShade, inAlpha);

			dest_point.x += 256;
			remaining_width -= 256;
			index++;
		}
		dest_point.y += 256;
		remaining_height -= 256;
	}
}


uint8_t ONICALL DDrPersist_GetWonGame()
{
	return 1;
}


void ONICALL DDrShowResumeButton(void* window, int visibility)
{
	if (visibility)
		WMrWindow_SetLocation(window, 150, 350);
	WMrWindow_SetVisible(window, visibility);
}


/* Options always visible patch */
void ONICALL DDrShowOptionsButton(void* window, int visibility)
{
	WMrWindow_SetVisible(window, 1);
}

void ONICALL DDrGame_Init()
{
	if (DDrConfig_GetOptOfType("modding.daodanbsl", C_BOOL)->value.intBoolVal)
		SLrDaodan_Initialize();
}


//this was broken 
FILE** _UUgError_WarningFile = (FILE**)0x005711B4;
FILE* ONICALL DDrPrintWarning(int filename, int linenumber, unsigned __int16 errornum, int message)
{
	FILE *v4; // eax@1
	FILE *result; // eax@4
	char v6[512]; // [sp+0h] [bp-100h]@1
	FILE* UUgError_WarningFile = *_UUgError_WarningFile;

	if (filename && message && (strlen((const char*)filename)+strlen((const char*)message))<420) {
		sprintf(
			v6,
			"Error %x reported from File: %s, Line: %d (message follows) \r\n%s",
			errornum,
			(const char*)filename,
			linenumber,
			(const char*)message);

		if ( UUgError_WarningFile 
			|| (UUgError_WarningFile = oni_fopen("debugger.txt", "wb"), UUgError_WarningFile ) )
		{ 
			oni_fprintf(UUgError_WarningFile, "%s\r\n", v6);
			oni_fflush(UUgError_WarningFile);
		}
	}
	//oni_fprintf(stdout, v6);
	//sprintf(&v6, "%s", message);
	*_UUgError_WarningFile = UUgError_WarningFile;
	result = UUgError_WarningFile;
	return result; 
}

_COrTextArea_Resize Oni_COrTextArea_Resize = (_COrTextArea_Resize)0;
int16_t ONICALL DD_COrTextArea_Resize(void* inTextArea, UUtRect* inBounds, int16_t inNumTextEntries) {
	if (inTextArea == COgCommandLine) {
		inBounds->top -= 10;
	} else if (inTextArea == COgConsoleLines) {
		inBounds->bottom -= 10;
	}
	return Oni_COrTextArea_Resize(inTextArea, inBounds, inNumTextEntries);
}

#define IMcShade_Red (0xFFFF0000)
#define IMcShade_Green (0xFF00FF00)
#define IMcShade_Blue (0xFF0000FF)
void ONICALL DD_OBJiTriggerVolume_Draw(OBJtObject* inObject, uint32_t inDrawFlags)
{
	UUtUns32				itr;
	OBJtOSD_All				*inOSD = (OBJtOSD_All *) inObject->object_data;
	OBJtOSD_TriggerVolume	*trigger_osd = &inOSD->osd.trigger_volume_osd;
	M3tPoint3D				*points = trigger_osd->volume.worldPoints;
	UUtUns32				shade = 0xFFFFFF;

	if (!OBJgTriggerVolume_Visible) {
		return;
	}

	if (OBJrTriggerVolume_IntersectsCharacter(inObject, trigger_osd->team_mask, ONgGameState->PlayerCharacter)) {
		shade = IMcShade_Red;
	}
	else
	{
		shade = IMcShade_Blue;
	}

	M3rGeom_Line_Light(points + 0, points + 1, shade);
	M3rGeom_Line_Light(points + 1, points + 3, shade);
	M3rGeom_Line_Light(points + 3, points + 2, shade);
	M3rGeom_Line_Light(points + 2, points + 0, shade);

	M3rGeom_Line_Light(points + 4, points + 5, shade);
	M3rGeom_Line_Light(points + 5, points + 7, shade);
	M3rGeom_Line_Light(points + 7, points + 6, shade);
	M3rGeom_Line_Light(points + 6, points + 4, shade);

	M3rGeom_Line_Light(points + 0, points + 4, shade);
	M3rGeom_Line_Light(points + 1, points + 5, shade);
	M3rGeom_Line_Light(points + 3, points + 7, shade);
	M3rGeom_Line_Light(points + 2, points + 6, shade);
}

_ONrMechanics_Register Oni_ONrMechanics_Register = (_ONrMechanics_Register)0;
int16_t ONICALL DD_ONrMechanics_Register(uint32_t inObjectType, uint32_t inObjectTypeIndex, char* inGroupName,
	uint32_t inSizeInMemory, OBJtMethods* inObjectMethods, uint32_t inFlags, void* inMechanicsMethods)
{
	if (strcmp("Trigger Volume", inGroupName) == 0) {
		inObjectMethods->rDraw = DD_OBJiTriggerVolume_Draw;
	}
	return Oni_ONrMechanics_Register(inObjectType, inObjectTypeIndex, inGroupName, inSizeInMemory, inObjectMethods, inFlags, inMechanicsMethods);
}

_ONrGameState_HandleUtilityInput Oni_ONrGameState_HandleUtilityInput = (_ONrGameState_HandleUtilityInput)0;
void ONICALL DD_ONrGameState_HandleUtilityInput(const void* inInput)
{
	Oni_ONrGameState_HandleUtilityInput(inInput);
	
	if (ONrDebugKey_WentDown(7)) {
		OBJgTriggerVolume_Visible = !OBJgTriggerVolume_Visible;
	}
}


// Enables d_regen script command. Instead of one global flag to only regenerate player each char has a flag to enable local regeneration
void DD_Patch_Regeneration()
{
	// In: WPrInventory_Update
	Character * Chr = 0;
	int NoPath = (int)&(Chr[0].RegenHax) & 0x000000FF;
	const unsigned char regen_patch[] =
	{0x90, 0x90, 0x90, 0x90, 0x90,				// mov    al, _WPgRegenerationCheat	-> NOOP
	0x90, 0x90,						// test   al, al			-> NOOP
	0x90, 0x90,						// jz	  short loc_51BB98			-> NOOP
	0x8B, 0x86, (char)NoPath, 0x01, 0x00, 0x00, // mov     eax, [esi+Character.field_1E8]
							//	-> mov     eax, [esi+Character.RegenHax]
	0x85, 0xC0,						// test eax, eax
	0x74, 0x21						// jnz 0x21 -> jz 0x21
	};
	DDrPatch_Const((char*)(OniExe + 0x0011BB64), regen_patch);
}


// Load chinese font DLL if available
void DD_Patch_Chinese()
{
	if (GetFileAttributes("xfhsm_oni.dll") != INVALID_FILE_ATTRIBUTES)
	{
		HMODULE dll;
		DWORD err;

 		STARTUPMESSAGE("Loading chinese DLL", 0);
		dll = LoadLibrary("xfhsm_oni.dll");
		err = GetLastError();
		if( dll )
		{
			void* proc = GetProcAddress( dll, "InstallHook" );
			if(proc)
			{
				((CHINESEPROC)proc)(GetCurrentThreadId());
			}
		} else {
			char msg[100];
			FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, err, 0, msg, 100, NULL);
			STARTUPMESSAGE("Loading DLL failed with error %i: %s", err, msg);
		}
	}
}



int DD_Patch_DebugNameTextureInit(short width, short height, int type, int allocated, int flags, char* name, void** output)
{
	//flags = (1 << 10);
	type = 1;
	//DDrPatch_Byte( 0x005EB83C + 3, 0xff );
	DDrPatch_Int32((int*)(OniExe + 0x001EB83C), 0xFF000000 );
	return M3rTextureMap_New(width, height, type, allocated, flags, name, output);
}

short DD_Patch_DebugNameShadeHack( Character* Char )
{
	return TSrContext_SetShade(*(void**)(OniExe + 0x001EB844), ONrCharacter_GetHealthShade( Char->Health, Char->MaxHealth ));
}

//Fix crappy ai2_shownames
void DD_Patch_ShowNames()
{
	//Set distance above head to 4.0
	DDrPatch_Int32((int*)(OniExe + 0x0008C998), 0x005296C8);
	//texture height
	DDrPatch_Byte((char*)(OniExe + 0x0008C9DF), 0x3F );
	//texture	width
	DDrPatch_NOOP((char*)(OniExe + 0x0008C9CA), 6 );

/*
// Crashes game.
	//Set the text color to whatever we like ;)
	DDrPatch_NOOP((char*)(OniExe + 0x0008C898), 6 );
	DDrPatch_Byte((char*)(OniExe + 0x0008C898), 0x8B );
	DDrPatch_Byte((char*)(OniExe + 0x0008C899), 0xCE );

	DDrPatch_MakeCall((void*)(OniExe + 0x0008C8A3), DD_Patch_DebugNameShadeHack);
	
	//Make the background black for additive blending
	DDrPatch_MakeCall((void*)(OniExe + 0x0008C802), DD_Patch_DebugNameTextureInit );
*/
}









bool DD_Patch_Init()
{
	STARTUPMESSAGE("Patching engine", 0);
	
	// Disable UUrPlatform_Initalize/Terminate, this enables the Alt-Tab and the
	// Windows key but has the possible side effect of allowing the screensaver
	// to enable itself in-game.
	if (DDrConfig_GetOptOfType("windows.alttab", C_BOOL)->value.intBoolVal)
	{
		// 0xC3 = ret, so makes those functions just have a "ret" instruction at their start
		DDrPatch_Byte((char*)UUrPlatform_Initialize, 0xC3);
		DDrPatch_Byte((char*)UUrPlatform_Terminate, 0xC3);
	}
	
	// Textures using ARGB8888 can be used
	if (DDrConfig_GetOptOfType("modding.argb8888", C_BOOL)->value.intBoolVal)
	{
		// Update conversion lookups in IMgConvertPixelType_List
		DDrPatch_Byte((char*)(OniExe + 0x00135af0), 0x07);
		DDrPatch_Byte((char*)(OniExe + 0x00135af4), 0x0B);
	}

	// Fix BinkBufferInit() call in BKrMovie_Play() to use GDI (DIB) blitting
	// instead of DirectDraw; patch ONiRunGame to use the same method to play
	// outro (ie., BKrMovie_Play() instead of ONrMovie_Play_Hardware() as the
	// latter has problems on WINE).
	if (DDrConfig_GetOptOfType("graphics.binkplay", C_BOOL)->value.intBoolVal)
	{
		// push BINKBUFFERAUTO -> push BINKBUFFERDIBSECTION.
		DDrPatch_Byte((void*)(OniExe + 0x0008829b + 1), 0x02);
		// call ONrMovie_Play_Hardware -> call ONrMovie_Play
		DDrPatch_MakeCall((void*)(OniExe + 0x000d496f), ONrMovie_Play);
	}

	if (DDrConfig_GetOptOfType("modding.d_regen", C_BOOL)->value.intBoolVal)
		DD_Patch_Regeneration();

	// Cheats always enabled
	if (DDrConfig_GetOptOfType("gameplay.cheatsenabled", C_BOOL)->value.intBoolVal)
	{
		DDrPatch_MakeJump((void*)ONrPersist_GetWonGame, (void*)DDrPersist_GetWonGame);
	}

	// Use Daodan's own cheattable
	if (DDrConfig_GetOptOfType("gameplay.cheattable", C_BOOL)->value.intBoolVal)
	{
		// In ONrGameState_HandleCheats: Replace pointers to orig cheattable
		DDrPatch_Int32 ((int*)(OniExe + 0x000f616b), (int)&DDr_CheatTable[0].name);
		DDrPatch_Int32 ((int*)(OniExe + 0x000f617a), (int)&DDr_CheatTable[0].message_on);

		// ONrGameState_HandleCheats: Replace call to ONrCheater
		DDrPatch_MakeCall((void*)(OniExe + 0x000f618f), (void*)DDrCheater);

		// In: ONrGameState_DoCharacterFrame
		//  -> NOP; PUSH ebp; CALL FallingFrames
		// Replace fall height frame counter (actually in-air frame counter) increase by a
		//  conditional one (only counted when inc_fallingframes)
		DDrPatch_Int16((short*)(OniExe + 0x000deb45), 0x5590);
		DDrPatch_MakeCall((void*)(OniExe + 0x000deb47), (void*)FallingFrames);

		// At end of ONrUnlockLevel to init values on level loading
		DDrPatch_MakeJump((void*)(OniExe + 0x0010f021), (void*)DDrCheater_LevelLoad);
	}
	
	if (DDrConfig_GetOptOfType("language.chinese", C_BOOL)->value.intBoolVal)
		DD_Patch_Chinese();

	// Limit cursor to Oni's window
	if (DDrConfig_GetOptOfType("windows.clipcursor", C_BOOL)->value.intBoolVal)
	{
		// LIrMode_Set: replace LIrPlatform_Mode_Set call with our hook.
		DDrPatch_MakeCall((void*)(OniExe + 0x00003f9f), (void*) DD_LIrPlatform_Mode_Set);

		// LIrMode_Set_Internal: replace LIrPlatform_Mode_Set call with our hook.
		DDrPatch_MakeCall((void*)(OniExe + 0x00003fff), (void*) DD_LIrPlatform_Mode_Set);
	
		// LIrTerminate: replace LIrPlatform_Terminate call with our hook.
		DDrPatch_MakeCall((void*)(OniExe + 0x000004cb8), (void*) DD_LIrPlatform_Terminate);
	}

	// Disables weapon cooldown exploit
	if (DDrConfig_GetOptOfType("gameplay.cooldowntimer", C_BOOL)->value.intBoolVal)
	{
		// In WPrRelease: NoOp 4 MOVs
		DDrPatch_NOOP((char*)(OniExe + 0x0011a825), 22);
	}

	// Daodan device mode enumeration function
	if (DDrConfig_GetOptOfType("graphics.displayenum", C_BOOL)->value.intBoolVal)
	{
		DDrPatch_MakeJump((void*)gl_enumerate_valid_display_modes, (void*)DD_GLrEnumerateDisplayModes);
	}
	
	// Forced DirectInput (for Windows NT)
	if (DDrConfig_GetOptOfType("windows.directinput", C_BOOL)->value.intBoolVal)
	{
		// LIrPlatform_Initialize: replace conditional jump by unconditional
		DDrPatch_Byte((char*)(OniExe + 0x00002e6d), 0xeb);
	}

	// Disable Oni's command line parser so it doesn't interfere with ours
	if (DDrConfig_GetOptOfType("windows.disablecmdline", C_BOOL)->value.intBoolVal)
	{
		// Replace start of OniParseCommandLine with XOR eax,eax; RET
		DDrPatch_Int32 ((int*)(OniExe + 0x000d3570), 0x00c3c033);
		// NoOp first 51 byte in ONiMain, including tests and conditional exec of CLrGetCommandLine
		DDrPatch_NOOP((char*)(OniExe + 0x000d3280), 51);
	}

	// Font texture cache doubled
	if (DDrConfig_GetOptOfType("language.fonttexturecache", C_BOOL)->value.intBoolVal)
	{
		// Double two values in TMrGame_Initialize
		DDrPatch_Byte((char*)(OniExe + 0x00020ea7), 0x20);
		DDrPatch_Byte((char*)(OniExe + 0x00020f4a), 0x40);
	}

	// Allow HD screens on resolutions < 1024*768
	if (DDrConfig_GetOptOfType("modding.hdscreens_lowres", C_BOOL)->value.intBoolVal)
	{
		DDrPatch_MakeJump((void*)M3rDraw_BigBitmap, (void*)DD_M3rDraw_BigBitmap);
	}

	// Allow for console to show on higher resolutions
	if (DDrConfig_GetOptOfType("devmode.highres_console", C_BOOL)->value.intBoolVal)
	{
		Oni_COrTextArea_Resize = DDrPatch_MakeDetour((void*)COrTextArea_Resize, (void*)DD_COrTextArea_Resize);
	}
	
	// Hackish fix for Konoko not kicking guns
	// Don't use this, it breaks stairs.
	if (DDrConfig_GetOptOfType("gameplay.kickguns", C_BOOL)->value.intBoolVal)
	{
		// In ONrCharacter_EnablePhysics: Load different values to same addresses as before
		const unsigned char kickgun_patch[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0xC7, 0x05, 0x1C, 0xC9, 0x5E, 0x00, 0x70, 0xB8, 0x43, 0x00, 0xC7, 0x05, 0x20, 0xC9, 0x5E, 0x00, 0x20, 0xBE, 0x43 };
		DDrPatch_Const ((char*)(OniExe + 0x000dc420), kickgun_patch);
	}
	
	// Disable loading the vtuneapi.dll
	if (DDrConfig_GetOptOfType("windows.killvtune", C_BOOL)->value.intBoolVal)
	{
		// Instantly return from UUrLoadVtuneAPI
		DDrPatch_Byte((char*)(OniExe + 0x00026340), 0xC3);
	}

	// Now supports textures up to 512x512
	if (DDrConfig_GetOptOfType("modding.largetextures", C_BOOL)->value.intBoolVal)
	{
		DDrPatch_Byte((char*)(OniExe + 0x00005251), 0x10);
	}
	
	// Non-"_Final" levels are now valid
	if (DDrConfig_GetOptOfType("modding.levelplugins", C_BOOL)->value.intBoolVal)
	{
		// Patch in TMrUtility_LevelInfo_Get: 
		DDrPatch_Byte((char*)(OniExe + 0x000206a8), 0x01);
	}

	// Weapon on ground shown with name and magazine contents
	if (DDrConfig_GetOptOfType("graphics.newweap", C_BOOL)->value.intBoolVal)
	{
		//Makes it always say "Received weapon_name."
		//Needs check for loc_4DFC66
		//DDrPatch_NOOP((char*)(OniExe + 0x000E4DF8),2);

		//Adds Weapon name and ammo meter to pickup autoprompt (patches to ONrGameState_ProcessHeartbeat)
		// Do not call WPrHasAmmo and ignore conditional jump:
		DDrPatch_NOOP((char*)(OniExe + 0x000FAC73), 9);
		// Do not load ecx with some magic value?
		DDrPatch_NOOP((char*)(OniExe + 0x000FAC80), 5);
		// Replace call to ONiGameState_FindAutoPromptMessage
		DDrPatch_MakeCall((void*)(OniExe + 0xFAC85), (void*)DDrWeapon2Message);
	
		//Moves location of colors
		//DDrPatch_Int32((int*)(OniExe + 0x0002E3D5), (int)&DDrDSayColors );
		//DDrPatch_Int32((int*)(OniExe + 0x0002E3DA), (int)&DDrDSayColors );
	}

	// Disable Multi-byte character awareness patch (multiple language support)
	if (DDrConfig_GetOptOfType("language.nomultibyte", C_BOOL)->value.intBoolVal)
	{
		// TSiContext_DrawLine: Replace conditional jumps by unconditional ones
		DDrPatch_Byte  ((char*)(OniExe + 0x0002d8f8), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002d9ad), 0xeb);
		// TSiContext_DrawTextLine: same
		DDrPatch_Byte  ((char*)(OniExe + 0x0002dbe2), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002dec3), 0xeb);
		// TSrContext_FormatString: same
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e2ab), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e2c4), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e379), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e48c), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e4d0), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e4f4), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e646), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e695), 0xeb);
		// TSrContext_GetStringRect: same
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e944), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e95d), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e98e), 0xeb);
		DDrPatch_Byte  ((char*)(OniExe + 0x0002e9dc), 0xeb);
	}

	// Fix options not visible in main menu when a game was started
	if (DDrConfig_GetOptOfType("graphics.optionsvisible", C_BOOL)->value.intBoolVal)
	{
		// replace WMrWindow_SetVisible calls
		DDrPatch_MakeCall((void*)(OniExe + 0x000d2d2d), DDrShowOptionsButton);
		DDrPatch_MakeCall((void*)(OniExe + 0x000d2d43), DDrShowResumeButton);
	}

	// Pathfinding grid cache size x8
	if (DDrConfig_GetOptOfType("gameplay.pathfinding", C_BOOL)->value.intBoolVal)
	{
		// Replaces conditional jump (je) with unconditional jump
		const unsigned char pathfinding[2] = {0x90 , 0xE9 };
		DDrPatch_Byte  ((char*)(OniExe + 0x0010b03b), 0x20);
		DDrPatch_Byte  ((char*)(OniExe + 0x0010b04c), 0x20);

		//other stuff
		DDrPatch_Const((char*)(OniExe + 0x00040789), pathfinding);
	}

	// Projectile awareness fixed
	if (DDrConfig_GetOptOfType("gameplay.projaware", C_BOOL)->value.intBoolVal)
	{
		DDrPatch_Byte  ((char*)(OniExe + 0x0009c07c), 0x6c);
		DDrPatch_Byte  ((char*)(OniExe + 0x0009c080), 0x70);
		DDrPatch_Byte  ((char*)(OniExe + 0x0009c084), 0x74);
		DDrPatch_Byte  ((char*)(OniExe + 0x0009c110), 0x6c);
	}

	// Safe startup message printer
	if (DDrConfig_GetOptOfType("windows.safeprintf", C_BOOL)->value.intBoolVal)
	{
		DDrPatch_MakeJump((void*)UUrStartupMessage, (void*)DDrStartupMessage);
	}

	// Show all (also enemies') lasersights
	if (DDrConfig_GetOptOfType("graphics.showalllasersights", C_BOOL)->value.intBoolVal)
	{
		DDrPatch_NOOP((char*)(OniExe + 0x000E1957), 6 );
	}

	// Allow bsl-var show_triggervolumes or ctrl+shift+x (devmode) to work
	if (DDrConfig_GetOptOfType("devmode.showtriggervolumes", C_BOOL)->value.intBoolVal)
	{
		Oni_ONrMechanics_Register = DDrPatch_MakeDetour((void*)ONrMechanics_Register, (void*)DD_ONrMechanics_Register);
		Oni_ONrGameState_HandleUtilityInput = DDrPatch_MakeDetour((void*)ONrGameState_HandleUtilityInput, (void*)DD_ONrGameState_HandleUtilityInput);
	}
	
	// Experiment with allowing enemies to be thrown over railings
	if (DDrConfig_GetOptOfType("gameplay.throwtest", C_BOOL)->value.intBoolVal)
	{
		DDrPatch_NOOP((char*)(OniExe + 0x000dc190), 10);
	}

	// DaodanGL with windowed mode support
	if (DDrConfig_GetOptOfType("graphics.daodangl", C_BOOL)->value.intBoolVal)
	{
		// LIrPlatform_Mode_Set: GetWindowRect -> GetClientRect.
		DDrPatch_NOOP((char*) OniExe + 0x00002dd6, 6);
		DDrPatch_MakeCall((char*) OniExe + 0x00002dd6, (void*) GetClientRect);

		// UUrWindow_GetSize: GetWindowRect -> GetClientRect.
		DDrPatch_NOOP((char*) OniExe + 0x0002651c, 6);
		DDrPatch_MakeCall((char*) OniExe + 0x0002651c, (void*) GetClientRect);

		// LIrPlatform_PollInputForAction: fix GetCursorPos call to return client coordinates.
		DDrPatch_NOOP((char*) OniExe + 0x000032cc, 6);
		DDrPatch_MakeCall((char*) OniExe + 0x000032cc, (void*) DD_GetCursorPos);

		// LIrPlatform_InputEvent_GetMouse: fix GetCursorPos call to return client coordinates.
		DDrPatch_NOOP((char*) OniExe + 0x00002cc2, 6);
		DDrPatch_MakeCall((char*) OniExe + 0x00002cc2, (void*) DD_GetCursorPos);

		// LIrPlatform_PollInputForAction: translate SetCursorPos position to screen coordinates.
		DDrPatch_NOOP((char*) OniExe + 0x000032b7, 6);
		DDrPatch_MakeCall((char*) OniExe + 0x000032b7, (void*) DD_SetCursorPos);

		// LIrPlatform_PollInputForAction: translate SetCursorPos position to screen coordinates.
		DDrPatch_NOOP((char*) OniExe + 0x00003349, 6);
		DDrPatch_MakeCall((char*) OniExe + 0x00003349, (void*) DD_SetCursorPos);

		// Replace ONrPlatformInitialize.
		DDrPatch_MakeJump((void*) ONrPlatform_Initialize, (void*) DD_ONrPlatform_Initialize);

		// Replace gl_platform_initialize.
		DDrPatch_MakeJump((void*) gl_platform_initialize, (void*) DD_GLrPlatform_Initialize);

		// Replace gl_platform_dispose.
		DDrPatch_MakeJump((void *) gl_platform_dispose, (void*) DD_GLrPlatform_Dispose);
	}

	// Performance patch
	if (DDrConfig_GetOptOfType("windows.usegettickcount", C_BOOL)->value.intBoolVal)
	{
		DDrPatch_MakeJump((void*)UUrMachineTime_High, (void*)DDrMachineTime_High);
		DDrPatch_MakeJump((void*)UUrMachineTime_High_Frequency, (void*)DDrMachineTime_High_Frequency);
		DDrPatch_MakeJump((void*)UUrMachineTime_Sixtieths, (void*)DDrMachineTime_Sixtieths);
	}

	// Fix displaying the talking portraits in widescreen modes
	if (DDrConfig_GetOptOfType("graphics.widescreenportraits", C_BOOL)->value.intBoolVal)
	{
		SLrDaodan_Patch();
	}
	
	// Adds working function for existing BSL command wp_fadetime, sets fade time to 4800
	if (DDrConfig_GetOptOfType("gameplay.wpfadetime", C_BOOL)->value.intBoolVal)
	{
		// Makes wp_fadetime actually have a function (changes within WPrRelease)
		// Patches end of function to instead of use a constant value for fadetime (12c0 = 4800) actually use value of wp_fadetime:
		// orig: MOV [esi+0x46], 0x12c0 ; POP ebx ; POP esi ; ADD esp, 0x14 ; RET
		// new:  MOV bx, [0x627dc4] ; MOV [esi+0x46], bx ; POP ebx ; POP esi ; ADD esp, 0x14 ; RET
		const unsigned char fadetime_patch[] = { 0x66, 0x8B, 0x1D, 0xC4, 0x7D, 0x62, 0x00, 0x66, 0x89, 0x5E, 0x46, 0x5B, 0x5E, 0x83, 0xC4, 0x14, 0xC3 };
		DDrPatch_Const ((char*)(OniExe + 0x0011a889), fadetime_patch);
		// Fixes jump because of new length of code in patch
		DDrPatch_Byte  ((char*)(OniExe + 0x0011a560), 0x31);
	
		// Sets the fadetime to 4800 by default (in WPrInitialize)
		DDrPatch_Int16 ((short*)(OniExe + 0x0011ab0e), 4800);
	}

	// Adds new BSL functions
	// Replaces an early unused call (OBJrLevel_Unload_Unknown_2) in ONiMain
	DDrPatch_MakeCall((void*)(OniExe + 0x000d345a), (void*)DDrGame_Init);
	
	// Disable gamma slider in options in windowed mode
	// In ONiOGU_Options_Callback: Replace WMrSlider_SetRange
	DDrPatch_MakeCall((void*)(OniExe + 0x000d262c), (void*)DD_ONiOGU_GammaSlider_SetRange);

	// Fix the warning print method
	// Replace UUrError_Report_Internal
	DDrPatch_MakeJump((void*)(OniExe + 0x000245A0), (void*)DDrPrintWarning);

	DD_Patch_ShowNames();

	return true;
}