143 lines
3.3 KiB
C++
143 lines
3.3 KiB
C++
#include "GraphicsResources.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "FileSystemUtils.h"
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// Used to load PNG data
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extern "C"
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{
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extern unsigned lodepng_decode24(
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unsigned char** out,
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unsigned* w,
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unsigned* h,
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const unsigned char* in,
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size_t insize
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);
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extern unsigned lodepng_decode32(
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unsigned char** out,
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unsigned* w,
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unsigned* h,
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const unsigned char* in,
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size_t insize
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);
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}
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static SDL_Surface* LoadImage(const char *filename, bool noBlend = true, bool noAlpha = false)
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{
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//Temporary storage for the image that's loaded
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SDL_Surface* loadedImage = NULL;
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//The optimized image that will be used
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SDL_Surface* optimizedImage = NULL;
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unsigned char *data;
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unsigned int width, height;
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unsigned char *fileIn = NULL;
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size_t length = 0;
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FILESYSTEM_loadFileToMemory(filename, &fileIn, &length);
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if (noAlpha)
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{
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lodepng_decode24(&data, &width, &height, fileIn, length);
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}
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else
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{
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lodepng_decode32(&data, &width, &height, fileIn, length);
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}
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FILESYSTEM_freeMemory(&fileIn);
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loadedImage = SDL_CreateRGBSurfaceFrom(
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data,
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width,
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height,
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noAlpha ? 24 : 32,
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width * (noAlpha ? 3 : 4),
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0x000000FF,
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0x0000FF00,
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0x00FF0000,
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noAlpha ? 0x00000000 : 0xFF000000
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);
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if (loadedImage != NULL)
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{
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optimizedImage = SDL_ConvertSurfaceFormat(
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loadedImage,
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SDL_PIXELFORMAT_ABGR8888, // FIXME: Format? -flibit
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0
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);
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SDL_FreeSurface( loadedImage );
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SDL_free(data);
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if (noBlend)
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{
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SDL_SetSurfaceBlendMode(optimizedImage, SDL_BLENDMODE_BLEND);
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}
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return optimizedImage;
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}
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else
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{
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SDL_free(data);
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fprintf(stderr,"Image not found: %s\n", filename);
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SDL_assert(0 && "Image not found! See stderr.");
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return NULL;
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}
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}
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void GraphicsResources::init(void)
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{
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im_tiles = LoadImage("graphics/tiles.png");
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im_tiles2 = LoadImage("graphics/tiles2.png");
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im_tiles3 = LoadImage("graphics/tiles3.png");
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im_entcolours = LoadImage("graphics/entcolours.png");
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im_sprites = LoadImage("graphics/sprites.png");
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im_flipsprites = LoadImage("graphics/flipsprites.png");
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im_bfont = LoadImage("graphics/font.png");
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im_teleporter = LoadImage("graphics/teleporter.png");
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im_image0 = LoadImage("graphics/levelcomplete.png", false);
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im_image1 = LoadImage("graphics/minimap.png", true, true);
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im_image2 = LoadImage("graphics/covered.png", true, true);
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im_image3 = LoadImage("graphics/elephant.png");
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im_image4 = LoadImage("graphics/gamecomplete.png", false);
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im_image5 = LoadImage("graphics/fliplevelcomplete.png", false);
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im_image6 = LoadImage("graphics/flipgamecomplete.png", false);
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im_image7 = LoadImage("graphics/site.png", false);
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im_image8 = LoadImage("graphics/site2.png");
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im_image9 = LoadImage("graphics/site3.png");
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im_image10 = LoadImage("graphics/ending.png");
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im_image11 = LoadImage("graphics/site4.png");
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im_image12 = LoadImage("graphics/minimap.png");
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}
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void GraphicsResources::destroy(void)
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{
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#define CLEAR(img) \
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SDL_FreeSurface(img); \
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img = NULL;
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CLEAR(im_tiles);
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CLEAR(im_tiles2);
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CLEAR(im_tiles3);
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CLEAR(im_entcolours);
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CLEAR(im_sprites);
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CLEAR(im_flipsprites);
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CLEAR(im_bfont);
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CLEAR(im_teleporter);
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CLEAR(im_image0);
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CLEAR(im_image1);
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CLEAR(im_image2);
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CLEAR(im_image3);
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CLEAR(im_image4);
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CLEAR(im_image5);
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CLEAR(im_image6);
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CLEAR(im_image7);
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CLEAR(im_image8);
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CLEAR(im_image9);
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CLEAR(im_image10);
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CLEAR(im_image11);
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CLEAR(im_image12);
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#undef CLEAR
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}
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