/*Copyright (C) 2003 Parallel RealitiesThis program is free software; you can redistribute it and/ormodify it under the terms of the GNU General Public Licenseas published by the Free Software Foundation; either version 2of the License, or (at your option) any later version.This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the GNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with this program; if not, write to the Free SoftwareFoundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.*/#include "resources.h"void loadBackground(char *filename){	if (graphics.background != NULL)	{		SDL_FreeSurface(graphics.background);		graphics.background = NULL;	}	graphics.background = loadImage(filename);	SDL_SetColorKey(graphics.background, 0, 0);}void loadGameGraphics(){	int index;	char string[75];	graphics.freeGraphics();	graphics.shipShape[0] = loadImage("gfx/firefly1.png");	graphics.shipShape[1] = loadImage("gfx/firefly2.png");	strcpy(string, "");	switch(currentGame.system)	{		case 0:			strcpy(string, "data/resources_spirit.dat");			break;		case 1:			strcpy(string, "data/resources_eyananth.dat");			break;		case 2:			strcpy(string, "data/resources_mordor.dat");			break;		case 3:			strcpy(string, "data/resources_sol.dat");			break;	}	FILE *fp;	#if USEPACK	int dataLocation = locateDataInPak(string, 1);	fp = fopen(PACKLOCATION, "rb");	fseek(fp, dataLocation, SEEK_SET);	#else	fp = fopen(string, "rb");	#endif	if (fp == NULL)		exit(1);	fscanf(fp, "%d %s", &index, string);	while (index != -1)	{		graphics.shipShape[index] = loadImage(string);		fscanf(fp, "%d %s", &index, string);	}	fclose(fp);	/*	Overlay a red alpha surface onto	*/	SDL_Surface *hitRect;	for (int i = SHIP_HIT_INDEX ; i < MAX_SHIPSHAPES ; i++)	{		if (graphics.shipShape[i - SHIP_HIT_INDEX] == NULL)			continue;		graphics.shipShape[i] = graphics.createSurface(graphics.shipShape[i - SHIP_HIT_INDEX]->w, graphics.shipShape[i- SHIP_HIT_INDEX]->h);		graphics.blit(graphics.shipShape[i - SHIP_HIT_INDEX], 0, 0, graphics.shipShape[i]);		hitRect = graphics.alphaRect(graphics.shipShape[i]->w, graphics.shipShape[i]->h, 255, 0, 0);		graphics.blit(hitRect, 0, 0, graphics.shipShape[i]);		SDL_SetColorKey(graphics.shipShape[i], (SDL_SRCCOLORKEY|SDL_RLEACCEL), SDL_MapRGB(graphics.shipShape[i]->format, 127, 0, 0));		SDL_FreeSurface(hitRect);	}	strcpy(string, "data/resources_all.dat");	#if USEPACK	dataLocation = locateDataInPak(string, 1);	fp = fopen(PACKLOCATION, "rb");	fseek(fp, dataLocation, SEEK_SET);	#else	fp = fopen(string, "rb");	#endif	fscanf(fp, "%d %s", &index, string);	while (index != -1)	{		graphics.shape[index] = loadImage(string);		fscanf(fp, "%d %s", &index, string);	}	fclose(fp);	loadBackground((char *)systemBackground[currentGame.system]);	setAlienShapes();	setWeaponShapes();}void loadSound(){	sound[SFX_EXPLOSION] = loadSound("sound/explode.wav");	sound[SFX_HIT] = loadSound("sound/explode2.wav");	sound[SFX_DEATH] = loadSound("sound/maledeath.wav");	sound[SFX_MISSILE] = loadSound("sound/missile.wav");	sound[SFX_PLASMA] = loadSound("sound/plasma.wav");	sound[SFX_CLOCK] = loadSound("sound/clock.wav");	sound[SFX_FLY] = loadSound("sound/flyby.wav");	sound[SFX_ENERGYRAY] = loadSound("sound/beamLaser.wav");	sound[SFX_PICKUP] = loadSound("sound/item.wav");	sound[SFX_SHIELDUP] = loadSound("sound/shield.wav");	sound[SFX_CLOAK] = loadSound("sound/cloak.wav");	sound[SFX_DEBRIS] = loadSound("sound/explode3.wav");	sound[SFX_DEBRIS2] = loadSound("sound/explode4.wav");	sound[SFX_LASER] = loadSound("sound/laser.wav");	sound[SFX_PLASMA2] = loadSound("sound/plasma2.wav");	sound[SFX_PLASMA3] = loadSound("sound/plasma3.wav");}void freeSound(){	for (int i = 0 ; i < MAX_SOUNDS ; i++)	{		if (sound[i] != NULL)			Mix_FreeChunk(sound[i]);	}	if (engine.music != NULL)		Mix_FreeMusic(engine.music);}void setFontColor(SDL_Surface *image, int red, int green, int blue){	SDL_Color colors[256];	colors[0].r = 0;	colors[0].g = 0;	colors[0].b = 0;	for (int i = 1 ; i < 256 ; i++)	{		colors[i].r = red;		colors[i].g = green;		colors[i].b = blue;	}	SDL_SetPalette(image, SDL_LOGPAL|SDL_PHYSPAL, colors, 0, 256);}/*Custom loading to alter the font color before doingall other things*/void loadFont(){	SDL_Surface *image, *newImage;	for (int i = 0 ; i < MAX_FONTSHAPES ; i++)	{		#if USEPACK		unpack("gfx/smallFont.bmp", PAK_FONT);		image = IMG_Load_RW(engine.sdlrw, 1);		#else		image = IMG_Load("gfx/smallFont.bmp");		#endif		if (image == NULL) {			printf("Couldn't load game font! (%s) Exitting.\n", SDL_GetError());		   exit(1);		}		switch(i)		{			case 1:				setFontColor(image, 255, 0, 0);				break;			case 2:				setFontColor(image, 255, 255, 0);				break;			case 3:				setFontColor(image, 0, 255, 0);				break;			case 4:				setFontColor(image, 0, 255, 255);				break;			case 5:				setFontColor(image, 0, 0, 10);				break;		}		newImage = SDL_DisplayFormat(image);    	graphics.fontShape[i] = graphics.setTransparent(newImage);		SDL_FreeSurface(image); 	}}