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#include "AlmTiler.h"#include <sstream>#include <iostream>#include <iomanip>//----------------------------------------------------------------------//  singleton me//----------------------------------------------------------------------AlmTiler* AlmTiler::instance = 0;AlmTiler::AlmTiler ( const char *filename = "an_road.alm" ){	alm_file.open(filename, std::ios::binary); 	char buffer;	while( !alm_file.eof() )	{		alm_file.read(&buffer, 1);		Alm.push_back(buffer);	}	alm_file.close();	tiles.resize(this->getWidth() * (this->getHeight()));	fillTiles();	loadSurfaces();}AlmTiler::~AlmTiler ( ){}AlmTiler* AlmTiler::getInstance(){	// TODO: FUCK! SetMap or something, otherwise it looks too hardcoded	if (instance == 0)	{		instance = new AlmTiler();	}	return instance;}char AlmTiler::readCharFromFile(){	char buffer;	alm_file.read(&buffer, 1);	return buffer;}unsigned short AlmTiler::getWidth(){	return getParam(0x28);}unsigned short AlmTiler::getHeight(){	return getParam(0x2C);}unsigned short AlmTiler::getParam(unsigned int address){	return Alm.at(address);}void AlmTiler::fillTiles(){	unsigned short lo = 0;	unsigned short hi = 0;	for( int y = 0; y < this->getHeight(); y++ )	{		for( int x = 0; x < this->getWidth(); x++ )		{			lo = getParam( 0x02D0 + (y * (this->getWidth()) + x) * 2); 			hi = getParam( 0x02D0 + (y * (this->getWidth()) + x) * 2 + 1);			tiles[y*(this->getWidth())+ x] = lo + (hi << 8);		}	}}//----------------------------------------------------------------------//  helper function for testing purposes only//----------------------------------------------------------------------GLuint AlmTiler::getTexture(unsigned short a, unsigned short b, unsigned short c){	// TODO: remove this finction when done with BUBEN and BALALAYKA	GLuint _ret = textures[a][b][c];	return _ret;}//----------------------------------------------------------------------//  helper function to get gltextures//----------------------------------------------------------------------void AlmTiler::setTextureFromFile(GLuint* texture, std::stringstream &filename){	SDL_Surface *surface;	GLenum textureFormat = GL_BGRA;	GLint colors;	if ( ( surface = IMG_Load(filename.str().c_str()) ) )	{		// TODO: add check for sizes of image to be a power of 2		colors = surface->format->BytesPerPixel;		if (colors == 4)		{			if (surface->format->Rmask == 0x000000ff)				textureFormat = GL_RGBA;			else				textureFormat = GL_BGRA;		}		else if (colors == 3)		{			if (surface->format->Rmask == 0x000000ff)				textureFormat = GL_RGB;			else				textureFormat = GL_BGR;		}		else 		{			// TODO: add complaining subsystem (logger)			std::cout << "Dude, errors! Image " << filename.str() 				<< " is not in trueColor. Colors = " << colors << std::endl;		}		glGenTextures(1, texture);		glBindTexture(GL_TEXTURE_2D, *texture);		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);		glTexImage2D(GL_TEXTURE_2D, 0, colors, surface->w, surface->h, 0,				textureFormat, GL_UNSIGNED_BYTE, surface->pixels);	}	else 	{		std::cout << "Dude! That bitch SDL failed to load that fucking " << filename.str() 			<< ", it complains: " << SDL_GetError() << std::endl;		SDL_Quit();	}	if (surface)		SDL_FreeSurface(surface);}void AlmTiler::loadSurfaces(){	for (int i = 0; i < 5; i++)		for (int j = 0; j < 14; j++)			for (int k = 0; k < 14; k++)				textures[i][j][k] = NULL;	GLuint tmp_texture = NULL;	// , , , 	for(int i = 1; i < 3; i++)		for(int j = 0; j < 14; j++)			for( int k = 0; k < 14; k++)			{				std::stringstream stringo;				stringo << "tiles/tile" << i << "-" << std::setw(2) << std::setfill('0') << j 					<< "-" << std::setw(2) << std::setfill('0') << k << ".png";				setTextureFromFile(&tmp_texture, stringo);				textures[i][j][k] = tmp_texture;				tmp_texture = NULL;			}	// 	for(int j = 0; j < 13; j++)		for( int k = 0; k < 8; k++)		{			std::stringstream stringo;			stringo << "tiles/tile" << 3 << "-" << std::setw(2) << std::setfill('0') << j 				<< "-" << std::setw(2) << std::setfill('0') << k << ".png";			setTextureFromFile(&tmp_texture, stringo);			textures[3][j][k] = tmp_texture;			tmp_texture = NULL;		}	//  -.  ? %)	for(int j = 0; j < 4; j++)		for( int k = 0; k < 14; k++)		{			std::stringstream stringo;			stringo << "tiles/tile" << 4 << "-" << std::setw(2) << std::setfill('0') << j 				<< "-" << std::setw(2) << std::setfill('0') << k << ".png";			setTextureFromFile(&tmp_texture, stringo);			textures[4][j][k] = tmp_texture;			tmp_texture = NULL;		}}GLuint AlmTiler::getTileSurface(unsigned short x, unsigned short y){	// TODO: add idiot-check	unsigned short a, b, c, xx;	xx = tiles[y*(this->getWidth())+ x];	xx &= 0x3FF;	a = ((xx & 0x300) >> 8) + 1;	b = (xx & 0x0F0) >> 4;	c = xx & 0x00F;	return textures[a][b][c];}