starfighter/src/gfx.cpp

/*
Copyright (C) 2003 Parallel Realities
Copyright (C) 2011, 2012, 2013 Guus Sliepen
Copyright (C) 2015-2017 Julie Marchant <onpon4@riseup.net>

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3
of 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 of
MERCHANTABILITY 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 License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <ctype.h>

#include "SDL.h"
#include "SDL_image.h"

#include "defs.h"
#include "structs.h"

#include "alien.h"
#include "engine.h"
#include "game.h"
#include "screen.h"
#include "weapons.h"

SDL_Surface *gfx_background;
SDL_Surface *gfx_sprites[SP_MAX];
SDL_Surface *gfx_faceSprites[FS_MAX];
SDL_Surface *gfx_shipSprites[SS_MAX];
SDL_Surface *gfx_fontSprites[FONT_MAX];
SDL_Surface *gfx_shopSprites[SHOP_S_MAX];
TextObject gfx_textSprites[TS_MAX];
SDL_Surface *gfx_messageBox;

void gfx_init()
{
	screen_bufferHead = new LinkedRect;
	screen_bufferHead->next = NULL;
	screen_bufferTail = screen_bufferHead;

	for (int i = 0 ; i < SP_MAX ; i++)
		gfx_sprites[i] = NULL;

	for (int i = 0 ; i < SS_MAX ; i++)
		gfx_shipSprites[i] = NULL;

	for (int i = 0 ; i < TS_MAX ; i++)
		gfx_textSprites[i].image = NULL;

	for (int i = 0 ; i < SHOP_S_MAX ; i++)
		gfx_shopSprites[i] = NULL;

	for (int i = 0 ; i < FONT_MAX ; i++)
		gfx_fontSprites[i] = NULL;

	gfx_background = NULL;
	gfx_messageBox = NULL;

	screen = NULL;
}

SDL_Surface *gfx_setTransparent(SDL_Surface *sprite)
{
	SDL_SetColorKey(sprite, SDL_TRUE, SDL_MapRGB(sprite->format, 0, 0, 0));
	return sprite;
}

void gfx_blit(SDL_Surface *image, int x, int y, SDL_Surface *dest)
{
	SDL_Rect blitRect;

	// Exit early if image is not on dest at all
	if (x + image->w < 0 || x >= dest->w || y + image->h < 0 || y >= dest->h)
		return;

	// Set up a rectangle to draw to
	blitRect.x = x;
	blitRect.y = y;
	blitRect.w = image->w;
	blitRect.h = image->h;

	/* Blit onto the destination surface */
	if (SDL_BlitSurface(image, NULL, dest, &blitRect) < 0)
	{
		printf("BlitSurface error: %s\n", SDL_GetError());
		engine_showError(2, "");
	}

	// Only if it is to the screen, mark the region as damaged
	if (dest == screen)
		screen_addBuffer(blitRect.x, blitRect.y, blitRect.w, blitRect.h);
}

/*
In 16 bit mode this is slow. VERY slow. Don't write directly to a surface
that constantly needs updating (eg - the main game screen)
*/
static int gfx_renderStringBase(const char *in, int x, int y, int fontColor, int wrap, SDL_Surface *dest)
{
	int i;
	int splitword;
	SDL_Rect area;
	SDL_Rect letter;

	area.x = x;
	area.y = y;
	area.w = 8;
	area.h = 14;

	letter.y = 0;
	letter.w = 8;
	letter.h = 14;

	while (*in != '\0')
	{
		if (*in != ' ')
		{
			letter.x = (*in - 33);
			letter.x *= 8;

			/* Blit onto the screen surface */
			if (SDL_BlitSurface(gfx_fontSprites[fontColor], &letter, dest, &area) < 0)
			{
				printf("BlitSurface error: %s\n", SDL_GetError());
				engine_showError(2, "");
			}
		}

		area.x += 9;

		if (wrap)
		{
			if ((area.x > (dest->w - 70)) && (*in == ' '))
			{
				area.y += 16;
				area.x = x;
			}
			else if (area.x > (dest->w - 31))
			{
				splitword = 1;
				for (i = 0 ; i < 4 ; i++)
				{
					if (!isalpha(*(in + i)))
					{
						splitword = 0;
						break;
					}
				}

				if (splitword)
				{
					letter.x = (int)('-') - 33;
					letter.x *= 8;
					if (SDL_BlitSurface(gfx_fontSprites[fontColor], &letter, dest, &area) < 0)
					{
						printf("BlitSurface error: %s\n", SDL_GetError());
						engine_showError(2, "");
					}
					area.y += 16;
					area.x = x;
				}
			}
		}

		in++;
	}

	return area.y;
}

int gfx_renderString(const char *in, int x, int y, int fontColor, int wrap, SDL_Surface *dest)
{
	if (x == -1)
		x = (dest->w - (strlen(in) * 9)) / 2;

	gfx_renderStringBase(in, x, y - 1, FONT_OUTLINE, wrap, dest);
	gfx_renderStringBase(in, x, y + 1, FONT_OUTLINE, wrap, dest);
	gfx_renderStringBase(in, x, y + 2, FONT_OUTLINE, wrap, dest);
	gfx_renderStringBase(in, x - 1, y, FONT_OUTLINE, wrap, dest);
	gfx_renderStringBase(in, x - 2, y, FONT_OUTLINE, wrap, dest);
	gfx_renderStringBase(in, x + 1, y, FONT_OUTLINE, wrap, dest);
	return gfx_renderStringBase(in, x, y, fontColor, wrap, dest);
}

/*
 * Set the pixel at (x, y) to the given value
 * NOTE: The surface must be locked before calling this!
 */
void gfx_putPixel(SDL_Surface *surface, int x, int y, Uint32 pixel)
{
	int bpp = surface->format->BytesPerPixel;
	/* Here p is the address to the pixel we want to set */
	Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;

	switch(bpp)
	{
		case 1:
			*p = pixel;
			break;

		case 2:
			*(Uint16 *)p = pixel;
			break;

		case 3:
			if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
			{
				p[0] = (pixel >> 16) & 0xff;
				p[1] = (pixel >> 8) & 0xff;
				p[2] = pixel & 0xff;
			}
			else
			{
				p[0] = pixel & 0xff;
				p[1] = (pixel >> 8) & 0xff;
				p[2] = (pixel >> 16) & 0xff;
			}
			break;

		 case 4:
			*(Uint32 *)p = pixel;
			break;
	}
}

void gfx_drawLine(SDL_Surface *dest, int x1, int y1, int x2, int y2, int col)
{
	int counter = 0;

	if ( SDL_MUSTLOCK(dest) )
	{
		if ( SDL_LockSurface(dest) < 0 )
		{
			printf("Can't lock screen: %s\n", SDL_GetError());
			engine_showError(2, "");
		}
	}

	while(1)
	{
		gfx_putPixel(dest, x1, y1, col);

		if (x1 > x2) x1--;
		if (x1 < x2) x1++;
		if (y1 > y2) y1--;
		if (y1 < y2) y1++;

		if ((x1 == x2) && (y1 == y2))
			{break;}
		if (counter == 1000)
			{printf("Loop Error!\n"); break;}
		counter++;
	}

	if (SDL_MUSTLOCK(dest))
	{
		SDL_UnlockSurface(dest);
	}
}

/*
A quick(?) circle draw function. This code was posted to the SDL
mailing list... I didn't write it myself.
*/
void gfx_drawCircle(int xc, int yc, int R, SDL_Surface *PIX, int col)
{
	int x = 0;
	int xx = 0;
	int y = R;
	int yy = 2 * R;
	int p = 1 - R;

	gfx_putPixel(PIX, xc, yc - y, col);
	gfx_putPixel(PIX, xc, yc + y, col);
	gfx_putPixel(PIX, xc - y, yc, col);
	gfx_putPixel(PIX, xc + y, yc, col);

	while (x < y)
	{
		xx += 2;
		x++;
		if (p >= 0)
		{
			yy -= 2;
			y--;
			p -= yy;
		}
		p += xx + 1;

		gfx_putPixel(PIX, xc - x, yc - y, col);
		gfx_putPixel(PIX, xc + x, yc - y, col);
		gfx_putPixel(PIX, xc - x, yc + y, col);
		gfx_putPixel(PIX, xc + x, yc + y, col);
		gfx_putPixel(PIX, xc - y, yc - x, col);
		gfx_putPixel(PIX, xc + y, yc - x, col);
		gfx_putPixel(PIX, xc - y, yc + x, col);
		gfx_putPixel(PIX, xc + y, yc + x, col);
	}

	if ((x = y))
	{
		gfx_putPixel(PIX, xc - x, yc - y, col);
		gfx_putPixel(PIX, xc + x, yc - y, col);
		gfx_putPixel(PIX, xc - x, yc + y, col);
		gfx_putPixel(PIX, xc + x, yc + y, col);
	}
}

void gfx_drawRect(SDL_Surface *dest, int x, int y, int w, int h, Uint8 red, Uint8 green, Uint8 blue)
{
	SDL_Rect r = {x, y, w, h};
	SDL_FillRect(dest, &r, SDL_MapRGB(screen->format, red, green, blue));

	gfx_drawLine(dest, x, y, x + w, y, SDL_MapRGB(screen->format, 255, 255, 255));
	gfx_drawLine(dest, x, y, x, y + h, SDL_MapRGB(screen->format, 255, 255, 255));
	gfx_drawLine(dest, x, y + h, x + w, y + h, SDL_MapRGB(screen->format, 128, 128, 128));
	gfx_drawLine(dest, x + w, y + 1, x + w, y + h, SDL_MapRGB(screen->format, 128, 128, 128));
}

SDL_Surface *gfx_createSurface(int width, int height)
{
	SDL_Surface *surface;
	Uint32 rmask, gmask, bmask, amask;

	/* SDL interprets each pixel as a 32-bit number, so our masks must depend
	on the endianness (byte order) of the machine */
	#if (SDL_BYTEORDER == SDL_BIG_ENDIAN)
		rmask = 0xff000000;
		gmask = 0x00ff0000;
		bmask = 0x0000ff00;
		amask = 0x000000ff;
	#else
		rmask = 0x000000ff;
		gmask = 0x0000ff00;
		bmask = 0x00ff0000;
		amask = 0xff000000;
	#endif

	surface = SDL_CreateRGBSurface(SDL_SWSURFACE, width, height, 32, rmask, gmask, bmask, amask);

	if (surface == NULL) {
		printf("CreateRGBSurface failed: %s\n", SDL_GetError());
		engine_showError(2, "");
	}

	return surface;
}

SDL_Surface *gfx_createTextSurface(const char *inString, int color)
{
	// XXX: Magic numbers
	SDL_Surface *surface = gfx_createSurface(strlen(inString) * 9, 16);

	gfx_renderString(inString, 1, 1, color, 0, surface);

	return gfx_setTransparent(surface);
}

void gfx_createTextObject(int index, const char *inString, int x, int y, int fontColor)
{
	/* Shortcut: if we already rendered the same string in the same color, don't render it again. */
	if(gfx_textSprites[index].text && gfx_textSprites[index].image && gfx_textSprites[index].fontColor == fontColor && !strcmp(gfx_textSprites[index].text, inString)) {
		gfx_textSprites[index].x = x;
		gfx_textSprites[index].y = y;
		if (x == -1)
			gfx_textSprites[index].x = (screen->w - gfx_textSprites[index].image->w) / 2;
		return;
	}

	strcpy(gfx_textSprites[index].text, inString);
	gfx_textSprites[index].x = x;
	gfx_textSprites[index].y = y;
	gfx_textSprites[index].fontColor = fontColor;
	if (gfx_textSprites[index].image != NULL)
	{
		SDL_FreeSurface(gfx_textSprites[index].image);
	}
	gfx_textSprites[index].image = gfx_createTextSurface(inString, fontColor);
	if (x == -1)
		gfx_textSprites[index].x = (screen->w - gfx_textSprites[index].image->w) / 2;
}

SDL_Surface *gfx_createAlphaRect(int width, int height, Uint8 red, Uint8 green, Uint8 blue)
{
	SDL_Surface *surface = gfx_createSurface(width, height);

	SDL_FillRect(surface, NULL, SDL_MapRGB(surface->format, red, green, blue));

	SDL_SetSurfaceAlphaMod(surface, 128);

	return surface;
}

void gfx_createMessageBox(SDL_Surface *face, const char *message, int transparent)
{
	int x = 60;

	if (gfx_messageBox != NULL)
	{
		SDL_FreeSurface(gfx_messageBox);
		gfx_messageBox = NULL;
	}

	if (transparent)
		gfx_messageBox = gfx_createAlphaRect(550, 60, 0x00, 0x00, 0x00);
	else
		gfx_messageBox = gfx_createSurface(550, 60);

	if (face != NULL)
	{
		gfx_drawRect(gfx_messageBox, 0, 0, gfx_messageBox->w - 1, gfx_messageBox->h - 1, 0x00, 0x00, 0xaa);
		gfx_blit(face, 5, 5, gfx_messageBox);
	}
	else
	{
		gfx_drawRect(gfx_messageBox, 0, 0, gfx_messageBox->w - 1, gfx_messageBox->h - 1, 0x00, 0x00, 0x00);
		x = 10;
	}

	gfx_renderString(message, x, 5, FONT_WHITE, 1, gfx_messageBox);
}

SDL_Surface *gfx_loadImage(const char *filename)
{
	SDL_Surface *image, *newImage;

	image = IMG_Load(filename);

	if (image == NULL) {
		printf("Couldn't load %s: %s\n", filename, SDL_GetError());
		engine_showError(0, filename);
	}

	newImage = SDL_ConvertSurface(image, screen->format, 0);
	if ( newImage ) {
		SDL_FreeSurface(image);
	}
	else
	{
		// This happens when we are loading the window icon image
		newImage = image;
	}

	return gfx_setTransparent(newImage);
}

void gfx_free()
{
	for (int i = 0 ; i < SP_MAX ; i++)
	{
		if (gfx_sprites[i] != NULL)
		{
			SDL_FreeSurface(gfx_sprites[i]);
			gfx_sprites[i] = NULL;
		}
	}

	for (int i = 0 ; i < FS_MAX ; i++)
	{
		if (gfx_faceSprites[i] != NULL)
		{
			SDL_FreeSurface(gfx_faceSprites[i]);
			gfx_faceSprites[i] = NULL;
		}
	}

	for (int i = 0 ; i < SS_MAX ; i++)
	{
		if (gfx_shipSprites[i] != NULL)
		{
			SDL_FreeSurface(gfx_shipSprites[i]);
			gfx_shipSprites[i] = NULL;
		}
	}

	for (int i = 0 ; i < TS_MAX ; i++)
	{
		if (gfx_textSprites[i].image != NULL)
		{
			SDL_FreeSurface(gfx_textSprites[i].image);
			gfx_textSprites[i].image = NULL;
		}
	}

	for (int i = 0 ; i < SHOP_S_MAX ; i++)
	{
		if (gfx_shopSprites[i] != NULL)
		{
			SDL_FreeSurface(gfx_shopSprites[i]);
				gfx_shopSprites[i] = NULL;
		}
	}

	if (gfx_messageBox != NULL)
	{
		SDL_FreeSurface(gfx_messageBox);
		gfx_messageBox = NULL;
	}
}

void gfx_loadBackground(const char *filename)
{
	if (gfx_background != NULL)
	{
		SDL_FreeSurface(gfx_background);
		gfx_background = NULL;
	}
	gfx_background = gfx_loadImage(filename);
	SDL_SetColorKey(gfx_background, 0, 0);
}

void gfx_loadSprites()
{
	Uint32 *p32;
	Uint16 *p16;
	Uint8 *p8;

	gfx_free();

	// Faces
	gfx_faceSprites[FS_CHRIS] = gfx_loadImage("gfx/face_chris.png");
	gfx_faceSprites[FS_SID] = gfx_loadImage("gfx/face_sid.png");
	gfx_faceSprites[FS_KRASS] = gfx_loadImage("gfx/face_krass.png");
	gfx_faceSprites[FS_PHOEBE] = gfx_loadImage("gfx/face_phoebe.png");
	gfx_faceSprites[FS_URSULA] = gfx_loadImage("gfx/face_ursula.png");
	gfx_faceSprites[FS_KLINE] = gfx_loadImage("gfx/face_kline.png");
	gfx_faceSprites[FS_CREW] = gfx_loadImage("gfx/face_crew.png");

	// Ships
	gfx_shipSprites[SS_FIREFLY] = gfx_loadImage("gfx/firefly1.png");
	gfx_shipSprites[SS_FIREFLY_L] = gfx_loadImage("gfx/firefly2.png");
	gfx_shipSprites[SS_SID] = gfx_loadImage("gfx/sid1.png");
	gfx_shipSprites[SS_SID_L] = gfx_loadImage("gfx/sid2.png");
	gfx_shipSprites[SS_FRIEND] = gfx_loadImage("gfx/wingmate1.png");
	gfx_shipSprites[SS_FRIEND_L] = gfx_loadImage("gfx/wingmate2.png");
	gfx_shipSprites[SS_GOODTRANSPORT] = gfx_loadImage("gfx/goodTrans1.png");
	gfx_shipSprites[SS_GOODTRANSPORT_L] = gfx_loadImage("gfx/goodTrans2.png");
	gfx_shipSprites[SS_REBELCARRIER] = gfx_loadImage("gfx/rebelCarrier1.png");
	gfx_shipSprites[SS_REBELCARRIER_L] = gfx_loadImage("gfx/rebelCarrier2.png");
	gfx_shipSprites[SS_DUALFIGHTER] = gfx_loadImage("gfx/dualFighter1.png");
	gfx_shipSprites[SS_DUALFIGHTER_L] = gfx_loadImage("gfx/dualFighter2.png");
	gfx_shipSprites[SS_MISSILEBOAT] = gfx_loadImage("gfx/missileBoat1.png");
	gfx_shipSprites[SS_MISSILEBOAT_L] = gfx_loadImage("gfx/missileBoat2.png");
	gfx_shipSprites[SS_PROTOFIGHTER] = gfx_loadImage("gfx/eliteFighter1.png");
	gfx_shipSprites[SS_PROTOFIGHTER_L] = gfx_loadImage("gfx/eliteFighter2.png");
	gfx_shipSprites[SS_AIMFIGHTER] = gfx_loadImage("gfx/aimFighter1.png");
	gfx_shipSprites[SS_AIMFIGHTER_L] = gfx_loadImage("gfx/aimFighter2.png");
	gfx_shipSprites[SS_DRONE] = gfx_loadImage("gfx/drone1.png");
	gfx_shipSprites[SS_DRONE_L] = gfx_loadImage("gfx/drone2.png");
	gfx_shipSprites[SS_MINER] = gfx_loadImage("gfx/miner1.png");
	gfx_shipSprites[SS_MINER_L] = gfx_loadImage("gfx/miner2.png");
	gfx_shipSprites[SS_ESCORT] = gfx_loadImage("gfx/escort1.png");
	gfx_shipSprites[SS_ESCORT_L] = gfx_loadImage("gfx/escort2.png");
	gfx_shipSprites[SS_MOBILE_RAY] = gfx_loadImage("gfx/mobileCannon1.png");
	gfx_shipSprites[SS_MOBILE_RAY_L] = gfx_loadImage("gfx/mobileCannon2.png");
	gfx_shipSprites[SS_TRANSPORTSHIP] = gfx_loadImage("gfx/transport1.png");
	gfx_shipSprites[SS_TRANSPORTSHIP_L] = gfx_loadImage("gfx/transport2.png");
	gfx_shipSprites[SS_CARGOSHIP] = gfx_loadImage("gfx/tug1.png");
	gfx_shipSprites[SS_CARGOSHIP_L] = gfx_loadImage("gfx/tug2.png");
	gfx_shipSprites[SS_SLAVETRANSPORT] = gfx_loadImage("gfx/slaveTrans1.png");
	gfx_shipSprites[SS_SLAVETRANSPORT_L] = gfx_loadImage("gfx/slaveTrans2.png");
	gfx_shipSprites[SS_BARRIER] = gfx_loadImage("gfx/barrier.png");
	gfx_shipSprites[SS_MOBILESHIELD] = gfx_loadImage("gfx/mobileShield1.png");
	gfx_shipSprites[SS_MOBILESHIELD_L] = gfx_loadImage("gfx/mobileShield2.png");
	gfx_shipSprites[SS_ASTEROID] = gfx_loadImage("gfx/asteroid1.png");
	gfx_shipSprites[SS_ASTEROID_SMALL] = gfx_loadImage("gfx/asteroid2.png");
	gfx_shipSprites[SS_ASTEROID_SMALL_L] = gfx_loadImage("gfx/asteroid3.png");
	gfx_shipSprites[SS_CLOAKFIGHTER] = gfx_loadImage("gfx/cloakShip1.png");
	gfx_shipSprites[SS_CLOAKFIGHTER_L] = gfx_loadImage("gfx/cloakShip2.png");
	gfx_shipSprites[SS_EVILURSULA] = gfx_loadImage("gfx/evilUrsula1.png");
	gfx_shipSprites[SS_EVILURSULA_L] = gfx_loadImage("gfx/evilUrsula2.png");
	gfx_shipSprites[SS_KRASS] = gfx_loadImage("gfx/merc1.png");
	gfx_shipSprites[SS_KRASS_L] = gfx_loadImage("gfx/merc2.png");
	gfx_shipSprites[SS_FRIGATE] = gfx_loadImage("gfx/frigateBody1.png");
	gfx_shipSprites[SS_FRIGATE_L] = gfx_loadImage("gfx/frigateBody2.png");
	gfx_shipSprites[SS_FRIGATE_WING1] = gfx_loadImage("gfx/frigateGun11.png");
	gfx_shipSprites[SS_FRIGATE_WING1_L] = gfx_loadImage("gfx/frigateGun12.png");
	gfx_shipSprites[SS_FRIGATE_WING2] = gfx_loadImage("gfx/frigateGun21.png");
	gfx_shipSprites[SS_FRIGATE_WING2_L] = gfx_loadImage("gfx/frigateGun22.png");
	gfx_shipSprites[SS_MINERBOSS] = gfx_loadImage("gfx/mineBoss1.png");
	gfx_shipSprites[SS_MINERBOSS_L] = gfx_loadImage("gfx/mineBoss2.png");
	gfx_shipSprites[SS_MINERBOSS_WING1] = gfx_loadImage("gfx/mineBossWing11.png");
	gfx_shipSprites[SS_MINERBOSS_WING1_L] = gfx_loadImage("gfx/mineBossWing12.png");
	gfx_shipSprites[SS_MINERBOSS_WING2] = gfx_loadImage("gfx/mineBossWing21.png");
	gfx_shipSprites[SS_MINERBOSS_WING2_L] = gfx_loadImage("gfx/mineBossWing22.png");
	gfx_shipSprites[SS_MINERBOSS_WING3] = gfx_loadImage("gfx/mineBossWing31.png");
	gfx_shipSprites[SS_MINERBOSS_WING3_L] = gfx_loadImage("gfx/mineBossWing32.png");
	gfx_shipSprites[SS_MINERBOSS_WING4] = gfx_loadImage("gfx/mineBossWing41.png");
	gfx_shipSprites[SS_MINERBOSS_WING4_L] = gfx_loadImage("gfx/mineBossWing42.png");
	gfx_shipSprites[SS_EXEC] = gfx_loadImage("gfx/execTrans1.png");
	gfx_shipSprites[SS_EXEC_L] = gfx_loadImage("gfx/execTrans2.png");
	gfx_shipSprites[SS_PLUTOBOSS] = gfx_loadImage("gfx/plutoBoss1.png");
	gfx_shipSprites[SS_PLUTOBOSS_L] = gfx_loadImage("gfx/plutoBoss2.png");
	gfx_shipSprites[SS_URANUSBOSS] = gfx_loadImage("gfx/splitBoss11.png");
	gfx_shipSprites[SS_URANUSBOSS_L] = gfx_loadImage("gfx/splitBoss12.png");
	gfx_shipSprites[SS_URANUSBOSS_WING1] = gfx_loadImage("gfx/splitBoss21.png");
	gfx_shipSprites[SS_URANUSBOSS_WING1_L] = gfx_loadImage("gfx/splitBoss22.png");
	gfx_shipSprites[SS_URANUSBOSS_WING2] = gfx_loadImage("gfx/splitBoss31.png");
	gfx_shipSprites[SS_URANUSBOSS_WING2_L] = gfx_loadImage("gfx/splitBoss32.png");
	gfx_shipSprites[SS_KLINE] = gfx_loadImage("gfx/kline11.png");
	gfx_shipSprites[SS_KLINE_L] = gfx_loadImage("gfx/kline12.png");

	/*
	Create images of ships being hit that show a lot of red
	*/
	for (int i = SS_HIT_INDEX ; i < SS_MAX ; i++)
	{
		if (gfx_shipSprites[i - SS_HIT_INDEX] == NULL)
			continue;
		gfx_shipSprites[i] = gfx_createSurface(gfx_shipSprites[i - SS_HIT_INDEX]->w,
			gfx_shipSprites[i - SS_HIT_INDEX]->h);
		SDL_SetSurfaceBlendMode(gfx_shipSprites[i - SS_HIT_INDEX], SDL_BLENDMODE_NONE);
		gfx_blit(gfx_shipSprites[i - SS_HIT_INDEX], 0, 0, gfx_shipSprites[i]);
		SDL_SetSurfaceBlendMode(gfx_shipSprites[i - SS_HIT_INDEX], SDL_BLENDMODE_BLEND);

		switch (gfx_shipSprites[i]->format->BitsPerPixel)
		{
			case 32:
				SDL_LockSurface(gfx_shipSprites[i]);
				p32 = (Uint32 *)gfx_shipSprites[i]->pixels;
				for (int j = 0; j < gfx_shipSprites[i]->w * gfx_shipSprites[i]->h; j++)
				{
					if (p32[j])
						p32[j] |= gfx_shipSprites[i]->format->Rmask;
				}
				SDL_UnlockSurface(gfx_shipSprites[i]);
				break;

			case 16:
				SDL_LockSurface(gfx_shipSprites[i]);
				p16 = (Uint16 *)gfx_shipSprites[i]->pixels;
				for (int j = 0; j < gfx_shipSprites[i]->w * gfx_shipSprites[i]->h; j++)
				{
					if (p16[j])
						p16[j] |= gfx_shipSprites[i]->format->Rmask;
				}
				SDL_UnlockSurface(gfx_shipSprites[i]);
				break;

			case 8:
				SDL_LockSurface(gfx_shipSprites[i]);
				p8 = (Uint8 *)gfx_shipSprites[i]->pixels;
				for (int j = 0; j < gfx_shipSprites[i]->w * gfx_shipSprites[i]->h; j++)
				{
					if (p8[j])
						p8[j] = SDL_MapRGB(gfx_shipSprites[i]->format, 255, 0, 0);
				}
				SDL_UnlockSurface(gfx_shipSprites[i]);
				break;
		}

		SDL_SetColorKey(gfx_shipSprites[i], SDL_TRUE,
			SDL_MapRGB(gfx_shipSprites[i]->format, 0, 0, 0));
	}

	// Other sprites
	gfx_sprites[SP_PLASMA_GREEN] = gfx_loadImage("gfx/plasmaGreen.png");
	gfx_sprites[SP_PLASMA_RED] = gfx_loadImage("gfx/plasmaRed.png");
	gfx_sprites[SP_DIR_PLASMA_GREEN] = gfx_loadImage("gfx/greenDir.png");
	gfx_sprites[SP_DIR_PLASMA_RED] = gfx_loadImage("gfx/redDir.png");
	gfx_sprites[SP_ROCKET] = gfx_loadImage("gfx/rocket1.png");
	gfx_sprites[SP_ROCKET_L] = gfx_loadImage("gfx/rocket2.png");
	gfx_sprites[SP_SMALL_EXPLOSION] = gfx_loadImage("gfx/explode1.png");
	gfx_sprites[SP_SMALL_EXPLOSION_2] = gfx_loadImage("gfx/explode2.png");
	gfx_sprites[SP_SMALL_EXPLOSION_3] = gfx_loadImage("gfx/explode3.png");
	gfx_sprites[SP_SMALL_EXPLOSION_L] = gfx_loadImage("gfx/explode4.png");
	gfx_sprites[SP_BIG_EXPLOSION] = gfx_loadImage("gfx/explode05.png");
	gfx_sprites[SP_BIG_EXPLOSION_2] = gfx_loadImage("gfx/explode06.png");
	gfx_sprites[SP_BIG_EXPLOSION_3] = gfx_loadImage("gfx/explode07.png");
	gfx_sprites[SP_BIG_EXPLOSION_L] = gfx_loadImage("gfx/explode08.png");
	gfx_sprites[SP_SMOKE] = gfx_loadImage("gfx/explode9.png");
	gfx_sprites[SP_SMOKE_2] = gfx_loadImage("gfx/explode10.png");
	gfx_sprites[SP_SMOKE_3] = gfx_loadImage("gfx/explode11.png");
	gfx_sprites[SP_SMOKE_L] = gfx_loadImage("gfx/explode12.png");
	gfx_sprites[SP_TINY_EXPLOSION] = gfx_loadImage("gfx/explode13.png");
	gfx_sprites[SP_TINY_EXPLOSION_2] = gfx_loadImage("gfx/explode14.png");
	gfx_sprites[SP_TINY_EXPLOSION_3] = gfx_loadImage("gfx/explode15.png");
	gfx_sprites[SP_TINY_EXPLOSION_L] = gfx_loadImage("gfx/explode16.png");
	gfx_sprites[SP_ELECTRICAL] = gfx_loadImage("gfx/elec1.png");
	gfx_sprites[SP_ELECTRICAL_2] = gfx_loadImage("gfx/elec2.png");
	gfx_sprites[SP_ELECTRICAL_3] = gfx_loadImage("gfx/elec3.png");
	gfx_sprites[SP_ELECTRICAL_L] = gfx_loadImage("gfx/elec4.png");
	gfx_sprites[SP_PICKUP_MONEY] = gfx_loadImage("gfx/dollar.png");
	gfx_sprites[SP_PICKUP_PLASMA] = gfx_loadImage("gfx/rocket.png");
	gfx_sprites[SP_PICKUP_SHIELD] = gfx_loadImage("gfx/heart.png");
	gfx_sprites[SP_PICKUP_PLASMA_OUTPUT] = gfx_loadImage("gfx/plasmaAmmo.png");
	gfx_sprites[SP_PICKUP_PLASMA_RATE] = gfx_loadImage("gfx/plasmaRate.png");
	gfx_sprites[SP_PICKUP_PLASMA_POWER] = gfx_loadImage("gfx/plasmaDamage.png");
	gfx_sprites[SP_CHAIN_LINK] = gfx_loadImage("gfx/chainLink.png");
	gfx_sprites[SP_MINE] = gfx_loadImage("gfx/mine.png");
	gfx_sprites[SP_CARGO] = gfx_loadImage("gfx/cargo1.png");
	gfx_sprites[SP_ION] = gfx_loadImage("gfx/stunBolt.png");
	gfx_sprites[SP_ARROW_NORTH] = gfx_loadImage("gfx/arrowNorth.png");
	gfx_sprites[SP_ARROW_NORTHEAST] = gfx_loadImage("gfx/arrowNorthEast.png");
	gfx_sprites[SP_ARROW_EAST] = gfx_loadImage("gfx/arrowEast.png");
	gfx_sprites[SP_ARROW_SOUTHEAST] = gfx_loadImage("gfx/arrowSouthEast.png");
	gfx_sprites[SP_ARROW_SOUTH] = gfx_loadImage("gfx/arrowSouth.png");
	gfx_sprites[SP_ARROW_SOUTHWEST] = gfx_loadImage("gfx/arrowSouthWest.png");
	gfx_sprites[SP_ARROW_WEST] = gfx_loadImage("gfx/arrowWest.png");
	gfx_sprites[SP_ARROW_NORTHWEST] = gfx_loadImage("gfx/arrowNorthWest.png");
	gfx_sprites[SP_ARROW_FRIEND_NORTH] = gfx_loadImage("gfx/friendArrowNorth.png");
	gfx_sprites[SP_ARROW_FRIEND_NORTHEAST] = gfx_loadImage("gfx/friendArrowNorthEast.png");
	gfx_sprites[SP_ARROW_FRIEND_EAST] = gfx_loadImage("gfx/friendArrowEast.png");
	gfx_sprites[SP_ARROW_FRIEND_SOUTHEAST] = gfx_loadImage("gfx/friendArrowSouthEast.png");
	gfx_sprites[SP_ARROW_FRIEND_SOUTH] = gfx_loadImage("gfx/friendArrowSouth.png");
	gfx_sprites[SP_ARROW_FRIEND_SOUTHWEST] = gfx_loadImage("gfx/friendArrowSouthWest.png");
	gfx_sprites[SP_ARROW_FRIEND_WEST] = gfx_loadImage("gfx/friendArrowWest.png");
	gfx_sprites[SP_ARROW_FRIEND_NORTHWEST] = gfx_loadImage("gfx/friendArrowNorthWest.png");
	gfx_sprites[SP_INDICATOR_TARGET] = gfx_loadImage("gfx/targetText.png");
	gfx_sprites[SP_INDICATOR_SID] = gfx_loadImage("gfx/sidText.png");
	gfx_sprites[SP_INDICATOR_PHOEBE] = gfx_loadImage("gfx/phoebeText.png");
	gfx_sprites[SP_INDICATOR_URSULA] = gfx_loadImage("gfx/ursulaText.png");
	gfx_sprites[SP_INDICATOR_KLINE] = gfx_loadImage("gfx/klineText.png");
	gfx_sprites[SP_ESCAPE_POD] = gfx_loadImage("gfx/pod.png");
	gfx_sprites[SP_ORE] = gfx_loadImage("gfx/ore1.png");
	gfx_sprites[SP_ORE_2] = gfx_loadImage("gfx/ore2.png");
	gfx_sprites[SP_ORE_L] = gfx_loadImage("gfx/ore3.png");
	gfx_sprites[SP_PICKUP_ROCKETS] = gfx_loadImage("gfx/rocketAmmo.png");
	gfx_sprites[SP_SUPERCHARGE] = gfx_loadImage("gfx/superCharge.png");

	gfx_loadBackground(systemBackground[game.system]);

	for (int i = 0 ; i < CD_MAX ; i++)
	{
		if (gfx_shipSprites[alien_defs[i].imageIndex[0]] != NULL)
		{
			alien_defs[i].image[0] = gfx_shipSprites[alien_defs[i].imageIndex[0]];
			alien_defs[i].image[1] = gfx_shipSprites[alien_defs[i].imageIndex[1]];
			alien_defs[i].engineX = alien_defs[i].image[0]->w;
			alien_defs[i].engineY = (alien_defs[i].image[0]->h / 2);
		}
	}

	for (int i = 0 ; i < W_MAX ; i++)
	{
		weapons[i].image[0] = gfx_sprites[weapons[i].imageIndex[0]];
		weapons[i].image[1] = gfx_sprites[weapons[i].imageIndex[1]];
	}
}

/*
Custom loading to alter the font color before doing
all other things
*/
void gfx_loadFont()
{
	SDL_Surface *image, *newImage;

	for (int i = 0 ; i < FONT_MAX ; i++)
	{
		image = IMG_Load("gfx/smallFont.png");

		if (image == NULL) {
			printf("Couldn't load game font! (%s) Exitting.\n", SDL_GetError());
		   exit(1);
		}

		switch(i)
		{
			case FONT_RED:
				SDL_SetSurfaceColorMod(image, 255, 0, 0);
				break;
			case FONT_YELLOW:
				SDL_SetSurfaceColorMod(image, 255, 255, 0);
				break;
			case FONT_GREEN:
				SDL_SetSurfaceColorMod(image, 0, 255, 0);
				break;
			case FONT_CYAN:
				SDL_SetSurfaceColorMod(image, 0, 255, 255);
				break;
			case FONT_OUTLINE:
				SDL_SetSurfaceColorMod(image, 0, 0, 10);
				break;
		}

		newImage = SDL_ConvertSurface(image, screen->format, 0);

		gfx_fontSprites[i] = gfx_setTransparent(newImage);

		SDL_FreeSurface(image);
 	}
}