// redriver2_psxpc.cpp
//

#include <SDL_keyboard.h>

#include "PLATFORM.H"

#include "DRIVER2.H"
#include "C/MAIN.H"
#include "C/SYSTEM.H"
#include "C/GAMESND.H"
#include "C/CAMERA.H"
#include "C/CARS.H"
#include "C/CIV_AI.H"
#include "C/MISSION.H"

#include "EMULATOR.H"

#include "utils/ini.h"

#include <SDL_scancode.h>

#include "C/CUTSCENE.H"
#include "C/GLAUNCH.H"
#include "C/LOADVIEW.H"
#include "C/OVERLAY.H"
#include "C/PLAYERS.H"


// eq engine console output
typedef enum
{
	SPEW_NORM,
	SPEW_INFO,
	SPEW_WARNING,
	SPEW_ERROR,
	SPEW_SUCCESS,
}SpewType_t;


#ifdef _WIN32
#include <Windows.h>

static unsigned short g_InitialColor = 0xFFFF;
static unsigned short g_LastColor = 0xFFFF;
static unsigned short g_BadColor = 0xFFFF;
static WORD g_BackgroundFlags = 0xFFFF;

static void GetInitialColors()
{
	// Get the old background attributes.
	CONSOLE_SCREEN_BUFFER_INFO oldInfo;
	GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &oldInfo);
	g_InitialColor = g_LastColor = oldInfo.wAttributes & (FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY);
	g_BackgroundFlags = oldInfo.wAttributes & (BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE | BACKGROUND_INTENSITY);

	g_BadColor = 0;
	if (g_BackgroundFlags & BACKGROUND_RED)
		g_BadColor |= FOREGROUND_RED;
	if (g_BackgroundFlags & BACKGROUND_GREEN)
		g_BadColor |= FOREGROUND_GREEN;
	if (g_BackgroundFlags & BACKGROUND_BLUE)
		g_BadColor |= FOREGROUND_BLUE;
	if (g_BackgroundFlags & BACKGROUND_INTENSITY)
		g_BadColor |= FOREGROUND_INTENSITY;
}

static WORD SetConsoleTextColor(int red, int green, int blue, int intensity)
{
	WORD ret = g_LastColor;

	g_LastColor = 0;
	if (red)	g_LastColor |= FOREGROUND_RED;
	if (green) g_LastColor |= FOREGROUND_GREEN;
	if (blue)  g_LastColor |= FOREGROUND_BLUE;
	if (intensity) g_LastColor |= FOREGROUND_INTENSITY;

	// Just use the initial color if there's a match...
	if (g_LastColor == g_BadColor)
		g_LastColor = g_InitialColor;

	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), g_LastColor | g_BackgroundFlags);
	return ret;
}

static void RestoreConsoleTextColor(WORD color)
{
	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color | g_BackgroundFlags);
	g_LastColor = color;
}

CRITICAL_SECTION g_SpewCS;
bool g_bSpewCSInitted = false;

void fnConDebugSpew(SpewType_t type, char* text)
{
	// Hopefully two threads won't call this simultaneously right at the start!
	if (!g_bSpewCSInitted)
	{
		GetInitialColors();
		InitializeCriticalSection(&g_SpewCS);
		g_bSpewCSInitted = true;
	}

	WORD old;
	EnterCriticalSection(&g_SpewCS);
	{
		if (type == SPEW_NORM)
		{
			old = SetConsoleTextColor(1, 1, 1, 0);
		}
		else if (type == SPEW_WARNING)
		{
			old = SetConsoleTextColor(1, 1, 0, 1);
		}
		else if (type == SPEW_SUCCESS)
		{
			old = SetConsoleTextColor(0, 1, 0, 1);
		}
		else if (type == SPEW_ERROR)
		{
			old = SetConsoleTextColor(1, 0, 0, 1);
		}
		else if (type == SPEW_INFO)
		{
			old = SetConsoleTextColor(0, 1, 1, 1);
		}
		else
		{
			old = SetConsoleTextColor(1, 1, 1, 1);
		}

		OutputDebugStringA(text);
		printf("%s", text);

		RestoreConsoleTextColor(old);
	}
	LeaveCriticalSection(&g_SpewCS);
}
#endif

void SpewMessageToOutput(SpewType_t spewtype, char const* pMsgFormat, va_list args)
{
	static char pTempBuffer[4096];
	int len = 0;
	vsprintf(&pTempBuffer[len], pMsgFormat, args);

#ifdef WIN32
	fnConDebugSpew(spewtype, pTempBuffer);
#else
	printf(pTempBuffer);
#endif
}

void printMsg(char *fmt, ...)
{
	va_list		argptr;

	va_start(argptr, fmt);
	SpewMessageToOutput(SPEW_NORM, fmt, argptr);
	va_end(argptr);
}

void printInfo(char *fmt, ...)
{
	va_list		argptr;

	va_start(argptr, fmt);
	SpewMessageToOutput(SPEW_INFO, fmt, argptr);
	va_end(argptr);
}

void printWarning(char *fmt, ...)
{
	va_list		argptr;

	va_start(argptr, fmt);
	SpewMessageToOutput(SPEW_WARNING, fmt, argptr);
	va_end(argptr);
}

void printError(char *fmt, ...)
{
	va_list		argptr;

	va_start(argptr, fmt);
	SpewMessageToOutput(SPEW_ERROR, fmt, argptr);
	va_end(argptr);
}

int(*GPU_printf)(const char *fmt, ...);

bool CtrlModifier;
bool ShiftModifier;
bool AltModifier;

void CheckModifierKeys(int nKey, bool down)
{
	switch (nKey)
	{
	case SDL_SCANCODE_LCTRL:
		CtrlModifier = down;
		break;
	case SDL_SCANCODE_LSHIFT:
		ShiftModifier = down;
		break;
	case SDL_SCANCODE_LALT:
		AltModifier = down;
		break;
	}
}

extern int gDrawDistance;

int cursorX, cursorY, cursorOldX, cursorOldY;
extern int g_FreeCameraEnabled;

void FreeCameraMouseHandler(int x, int y)
{
	if (g_FreeCameraEnabled)
	{
		extern SVECTOR g_FreeCameraRotation;

		int width, height;
		Emulator_GetScreenSize(width, height);

		cursorX = x;
		cursorY = y;

		Emulator_SetCursorPosition(width / 2, height / 2);

		g_FreeCameraRotation.vy -= cursorX - cursorOldX;
		g_FreeCameraRotation.vx += cursorY - cursorOldY;

		cursorX = width / 2;
		cursorY = height / 2;

		cursorOldX = cursorX;
		cursorOldY = cursorY;
	}
}

void FreeCameraKeyboardHandler(int nKey, bool down)
{
	if (g_FreeCameraEnabled)
	{
		extern int g_FreeCameraControls;
		if (nKey == SDL_SCANCODE_W)
		{
			if (down)
				g_FreeCameraControls |= 0x1;
			else
				g_FreeCameraControls &= ~0x1;
		}
		else if (nKey == SDL_SCANCODE_S)
		{
			if (down)
				g_FreeCameraControls |= 0x2;
			else
				g_FreeCameraControls &= ~0x2;
		}
		else if (nKey == SDL_SCANCODE_A)
		{
			if (down)
				g_FreeCameraControls |= 0x4;
			else
				g_FreeCameraControls &= ~0x4;
		}
		else if (nKey == SDL_SCANCODE_D)
		{
			if (down)
				g_FreeCameraControls |= 0x8;
			else
				g_FreeCameraControls &= ~0x8;
		}
	}

	if(!down)
		return;

	if (nKey == SDL_SCANCODE_F7)
	{
		g_FreeCameraEnabled ^= 1;
		printf("Free camera: %s\n", g_FreeCameraEnabled ? "ON" : "OFF");
	}
}

int gShowCollisionDebug = 0;

#if defined(DEBUG_OPTIONS) || defined(_DEBUG)

extern int g_texturelessMode;
extern int g_wireframeMode;
extern int gDisplayPosition;
extern int gDisplayDrawStats;
int gStopCivCars = 0;

extern void FunkUpDaBGMTunez(int funk);

void GameDebugKeys(int nKey, bool down)
{
	CheckModifierKeys(nKey, down);
	FreeCameraKeyboardHandler(nKey, down);

	if (!down)
		return;

	if (nKey == SDL_SCANCODE_1)
	{
		gDisplayPosition ^= 1;
		printf("Position display %s\n", gDisplayPosition ? "ON" : "OFF");
	}
	else if (nKey == SDL_SCANCODE_2)
	{
		gShowCollisionDebug++;
		if (gShowCollisionDebug > 3)
			gShowCollisionDebug = 0;
		printf("Collision debug: %d\n", gShowCollisionDebug);
	}
	else if (nKey == SDL_SCANCODE_3)
	{
		gDisplayDrawStats ^= 1;
		printf("Stats %s\n", gDisplayDrawStats ? "ON" : "OFF");
	}
	else if (nKey == SDL_SCANCODE_BACKSPACE)
	{
		extern int FastForward;
		FastForward = 1;
	}
#ifdef _DEBUG
	else if (nKey == SDL_SCANCODE_0)
	{
		gStopCivCars ^= 1;
		printf("Civ cars stop %s\n", gStopCivCars ? "ON" : "OFF");
	}
	else if (nKey == SDL_SCANCODE_PAGEUP)
	{
		player[0].cameraCarId++;

		if (player[0].cameraCarId > MAX_CARS - 1)
			player[0].cameraCarId = MAX_CARS - 1;

		printf("Car on camera: %d\n", player[0].cameraCarId);
	}
	else if (nKey == SDL_SCANCODE_PAGEDOWN)
	{
		player[0].cameraCarId--;

		if (player[0].cameraCarId < 0)
			player[0].cameraCarId = 0;

		printf("Car on camera: %d\n", player[0].cameraCarId);
	}
	else if (nKey == SDL_SCANCODE_KP_DIVIDE)
	{
		FunkUpDaBGMTunez(0);
	}
	else if (nKey == SDL_SCANCODE_KP_MULTIPLY)
	{
		FunkUpDaBGMTunez(1);
		extern void CreateRoadblock();
		CreateRoadblock();
	}
	else if (nKey == SDL_SCANCODE_KP_PLUS)
	{
		extern LEAD_PARAMETERS LeadValues;

		static bool already = false;
		static bool leadReady = false;
		static int lastmodel = 1;

		/*
			---- LEAD VALUES ----
			500 1000 428 21 885 10 487 2
			700 350 1731 30 320 7 225 3
		*/

		// Find the clue
		LeadValues.tEnd			= 500;	LeadValues.tAvelLimit	= 1000;
		LeadValues.tDist		= 428;	LeadValues.tDistMul		= 21;
		LeadValues.tWidth		= 885;	LeadValues.tWidthMul	= 10;
		LeadValues.tWidth80		= 487;	LeadValues.tWidth80Mul	= 2;

		LeadValues.hEnd			= 700;	LeadValues.dEnd			= 350;
		LeadValues.hDist		= 1731; LeadValues.hDistMul		= 30;
		LeadValues.hWidth		= 320;	LeadValues.hWidthMul	= 7;
		LeadValues.hWidth80		= 225;	LeadValues.hWidth80Mul	= 3;

		CAR_DATA *pCar = &car_data[player[0].playerCarId];

		LONGVECTOR startpos = {
			pCar->hd.where.t[0],
			pCar->hd.where.t[1],
			pCar->hd.where.t[2],
		};

		int dir = pCar->hd.direction;
		int offset = 1000 + (pCar->hd.speed * 36);
		int heading = (((dir + 512) & 0xfff) >> 10) + 2 & 3;

		int which = (heading & 1) ? 0 : 2;

		int model = lastmodel;
		int palette = 1;

		if (ShiftModifier)
		{
			// force a special car
			model = MissionHeader->residentModels[4];
			palette = 0;
			lastmodel = model;
		}
		else
		{
			for (int i = 0; i < 5; i++)
			{
				// horrible randomness
				int newmodel = MissionHeader->residentModels[i];

				if (newmodel == 0 || newmodel == lastmodel)
					continue;

				if (newmodel != model)
				{
					int tmp = CameraCnt % (newmodel + 1);

					if (tmp & 4)
					{
						// rare chance of spawning special car
						model = MissionHeader->residentModels[4];
						palette = 0;
						lastmodel = model;
						break;
					}
					else if (tmp & 3)
					{
						model = newmodel;
						palette = CameraCnt % 6;
						lastmodel = model;
						break;
					}
				}
			}
		}

		// add a little more room
		if (model > 4)
			offset += 250;

		// spawn it in front of us
		if (ABS(dir) >= 750)
		{
			if ((heading >> 1) != 1)
				offset = -offset;
		}

		startpos[which] += offset;

		int slot = CreateStationaryCivCar(dir, 0, 0, &startpos, model, palette, 0);

		if (slot == -1)
		{
			slot = PingInCivCar(15900);
			slot--;
		}

		if (slot != -1)
		{
			char playerid = 0xff;

			InitPlayer((PLAYER *)(player + 1), &car_data[slot], 4, dir, &startpos, model, palette, &playerid);
			already = true;
		}
		else
		{
			requestStationaryCivCar = 1;
		}
	}
	else if (nKey == SDL_SCANCODE_KP_MINUS)
	{
		PingOutAllCivCarsAndCopCars();
	}
#endif
}
#endif

#ifndef USE_CRT_MALLOC
char g_Overlay_buffer[0x50000];		// 0x1C0000
char g_Frontend_buffer[0x60000];	// 0xFB400
char g_Other_buffer[0x50000];		// 0xF3000
char g_Other_buffer2[0x50000];		// 0xE7000
OTTYPE g_OT1[OTSIZE];				// 0xF3000
OTTYPE g_OT2[OTSIZE];				// 0xF7200
char g_PrimTab1[PRIMTAB_SIZE];			// 0xFB400
char g_PrimTab2[PRIMTAB_SIZE];			// 0x119400
char g_Replay_buffer[0x50000];		// 0x1fABBC
#endif

int ParseKeyMapping(const char* str, int default_value)
{
	const char* scancodeName;
	int i;

	if(str)
	{
		for (i = 0; i < SDL_NUM_SCANCODES; i++)
		{
			scancodeName = SDL_GetScancodeName((SDL_Scancode)i);
			if (strlen(scancodeName))
			{
				if (!_stricmp(scancodeName, str))
				{
					return i;
				}
			}
		}
	}

	return default_value;
}

void LoadKeyMappings(ini_t* config, char* section, KeyboardMapping& outMapping)
{
	const char* str;

	str = ini_get(config, section, "square");
	outMapping.kc_square = ParseKeyMapping(str, SDL_SCANCODE_X);

	str = ini_get(config, section, "circle");
	outMapping.kc_circle = ParseKeyMapping(str, SDL_SCANCODE_V);

	str = ini_get(config, section, "triangle");
	outMapping.kc_triangle = ParseKeyMapping(str, SDL_SCANCODE_Z);

	str = ini_get(config, section, "cross");
	outMapping.kc_cross = ParseKeyMapping(str, SDL_SCANCODE_C);

	str = ini_get(config, section, "l1");
	outMapping.kc_l1 = ParseKeyMapping(str, SDL_SCANCODE_LSHIFT);

	str = ini_get(config, section, "l2");
	outMapping.kc_l2 = ParseKeyMapping(str, SDL_SCANCODE_LCTRL);

	str = ini_get(config, section, "l3");
	outMapping.kc_l3 = ParseKeyMapping(str, SDL_SCANCODE_LEFTBRACKET);

	str = ini_get(config, section, "r1");
	outMapping.kc_r1 = ParseKeyMapping(str, SDL_SCANCODE_RSHIFT);

	str = ini_get(config, section, "r2");
	outMapping.kc_r2 = ParseKeyMapping(str, SDL_SCANCODE_RCTRL);

	str = ini_get(config, section, "r3");
	outMapping.kc_r3 = ParseKeyMapping(str, SDL_SCANCODE_RIGHTBRACKET);

	str = ini_get(config, section, "up");
	outMapping.kc_dpad_up = ParseKeyMapping(str, SDL_SCANCODE_UP);

	str = ini_get(config, section, "down");
	outMapping.kc_dpad_down = ParseKeyMapping(str, SDL_SCANCODE_DOWN);

	str = ini_get(config, section, "left");
	outMapping.kc_dpad_left = ParseKeyMapping(str, SDL_SCANCODE_LEFT);

	str = ini_get(config, section, "right");
	outMapping.kc_dpad_right = ParseKeyMapping(str, SDL_SCANCODE_RIGHT);

	str = ini_get(config, section, "select");
	outMapping.kc_select = ParseKeyMapping(str, SDL_SCANCODE_SPACE);

	str = ini_get(config, section, "start");
	outMapping.kc_start = ParseKeyMapping(str, SDL_SCANCODE_RETURN);
}

KeyboardMapping g_gameMappings = { 0x123 };
KeyboardMapping g_menuMappings = { 0x456 };

void SwitchMappings(int menu)
{
	extern KeyboardMapping g_keyboard_mapping;

	if(menu)
		g_keyboard_mapping = g_menuMappings;
	else
		g_keyboard_mapping = g_gameMappings;
}

int main(int argc, char** argv)
{
	ini_t* config;

#ifdef USE_CRT_MALLOC
	_overlay_buffer = (char*)malloc(0x50000);			// 0x1C0000
	_frontend_buffer = (char*)malloc(0x60000);			// 0xFB400
	_other_buffer = (char*)malloc(0x50000);				// 0xF3000
	_other_buffer2 = (char*)malloc(0x50000);			// 0xE7000
	_OT1 = (OTTYPE*)malloc(OTSIZE * sizeof(OTTYPE));	// 0xF3000
	_OT2 = (OTTYPE*)malloc(OTSIZE * sizeof(OTTYPE));	// 0xF7200
	_primTab1 = (char*)malloc(PRIMTAB_SIZE);					// 0xFB400
	_primTab2 = (char*)malloc(PRIMTAB_SIZE);					// 0x119400
	_replay_buffer = (char*)malloc(0x50000);			// 0x1fabbc
#else
	_overlay_buffer = g_Overlay_buffer;		// 0x1C0000
	_frontend_buffer = g_Frontend_buffer;	// 0xFB400
	_other_buffer = g_Other_buffer;			// 0xF3000
	_other_buffer2 = g_Other_buffer2;		// 0xE7000
	_OT1 = g_OT1;							// 0xF3000
	_OT2 = g_OT2;							// 0xF7200
	_primTab1 = g_PrimTab1;					// 0xFB400
	_primTab2 = g_PrimTab2;					// 0x119400
	_replay_buffer = g_Replay_buffer;		// 0x1fABBC
#endif

#if defined(DEBUG_OPTIONS) || defined(_DEBUG)
	GPU_printf = printf;
#endif // _DEBUG

	config = ini_load("config.ini");


	// best distance
	gDrawDistance = 600;

	int windowWidth = 800;
	int windowHeight = 600;
	int fullScreen = 0;
	int enableFreecamera = 0;
	extern int g_pgxpTextureCorrection;
	extern int g_pgxpZBuffer;
	extern int g_bilinearFiltering;

	if (config)
	{
		const char* dataFolderStr = ini_get(config, "fs", "dataFolder");
		const char* userReplaysStr = ini_get(config, "game", "userChases");

		InitUserReplays(userReplaysStr);

		ini_sget(config, "render", "windowWidth", "%d", &windowWidth);
		ini_sget(config, "render", "windowHeight", "%d", &windowHeight);
		ini_sget(config, "render", "fullscreen", "%d", &fullScreen);
		ini_sget(config, "render", "pgxpTextureMapping", "%d", &g_pgxpTextureCorrection);
		ini_sget(config, "render", "pgxpZbuffer", "%d", &g_pgxpZBuffer);
		ini_sget(config, "render", "bilinearFiltering", "%d", &g_bilinearFiltering);
		ini_sget(config, "game", "drawDistance", "%d", &gDrawDistance);
		ini_sget(config, "game", "freeCamera", "%d", &enableFreecamera);
		ini_sget(config, "game", "driver1music", "%d", &gDriver1Music);
		ini_sget(config, "game", "widescreenOverlays", "%d", &gWidescreenOverlayAlign);
		ini_sget(config, "game", "fastLoadingScreens", "%d", &gFastLoadingScreens);
		

		if (dataFolderStr)
		{
			strcpy(gDataFolder, dataFolderStr);

			int len = strlen(gDataFolder);
			if (gDataFolder[len - 1] != '\\')
			{
				gDataFolder[len] = '\\';
				gDataFolder[len + 1] = '\0';
			}
		}

#if defined(DEBUG_OPTIONS)
		int unlockAll = 0;
		ini_sget(config, "game", "unlockAll", "%d", &unlockAll);

		if (unlockAll)
		{
			gFurthestMission = 40;
			AvailableCheats.cheat5 = 1;
			AvailableCheats.cheat6 = 1;
			AvailableCheats.cheat7 = 1;
			AvailableCheats.cheat8 = 1;
			AvailableCheats.cheat2 = 1;
			AvailableCheats.cheat11 = 1;
			AvailableCheats.cheat1 = 1;
			AvailableCheats.cheat3 = 1;
			AvailableCheats.cheat4 = 1;
		}
#endif
	}
#ifndef _DEBUG
	if (enableFreecamera)
	{
		gameDebugKeys = FreeCameraKeyboardHandler;
		gameDebugMouse = FreeCameraMouseHandler;
	}
#else

	gameDebugKeys = GameDebugKeys;
	gameDebugMouse = FreeCameraMouseHandler;

#endif

	Emulator_Initialise("REDRIVER2", windowWidth, windowHeight, fullScreen);

	if (config)
	{
		LoadKeyMappings(config, "kbcontrols_game", g_gameMappings);
		LoadKeyMappings(config, "kbcontrols_menu", g_menuMappings);

		SwitchMappings(1);
		
		ini_free(config);
	}
	redriver2_main(argc, argv);		
}