640 lines
18 KiB
C
640 lines
18 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <assert.h>
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#ifdef __DREAMCAST__
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#include <kos.h>
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#endif
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#include "GL/gl.h"
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#include "GL/glu.h"
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#include "GL/glext.h"
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#include "GL/glkos.h"
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/* using 4bpp textures from BMP files instead of 8bpp from PCX files */
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#define USE_16C_PALETTE
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#ifdef __DREAMCAST__
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#include <kos.h>
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extern uint8 romdisk[];
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KOS_INIT_ROMDISK(romdisk);
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#ifdef USE_16C_PALETTE
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#define IMG_PATH "/rd/NeHe.bmp"
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#define IMG_ALPHA_PATH "/rd/NeHe-Alpha.bmp"
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#else
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#define IMG_PATH "/rd/NeHe.pcx"
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#define IMG_ALPHA_PATH "/rd/NeHe-Alpha.pcx"
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#endif
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#else
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#ifdef USE_16C_PALETTE
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#define IMG_PATH "../samples/paletted_pcx/romdisk/NeHe.bmp"
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#define IMG_ALPHA_PATH "../samples/paletted_pcx/romdisk/NeHe-Alpha.bmp"
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#else
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#define IMG_PATH "../samples/paletted_pcx/romdisk/NeHe.pcx"
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#define IMG_ALPHA_PATH "../samples/paletted_pcx/romdisk/NeHe-Alpha.pcx"
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#endif
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#endif
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/* floats for x rotation, y rotation, z rotation */
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float xrot, yrot, zrot;
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int textures[3];
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typedef struct {
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uint32_t height;
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uint32_t width;
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uint32_t palette_width;
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char* palette;
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char* data;
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} Image;
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#ifndef USE_16C_PALETTE
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#pragma pack(push)
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#pragma pack(1)
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/* PCX header */
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typedef struct {
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uint8_t manufacturer;
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uint8_t version;
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uint8_t encoding;
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uint8_t bits_per_pixel;
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uint16_t xmin, ymin;
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uint16_t xmax, ymax;
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uint16_t horz_res, vert_res;
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uint8_t palette[48];
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uint8_t reserved;
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uint8_t num_color_planes;
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uint16_t bytes_per_scan_line;
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uint16_t palette_type;
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uint16_t horz_size, vert_size;
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uint8_t padding[54];
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} Header;
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#pragma pack(pop)
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int LoadPalettedPCX(const char* filename, Image* image) {
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FILE* filein = NULL;
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filein = fopen(filename, "rb");
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if(!filein) {
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printf("Unable to open file\n");
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return 0;
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}
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Header header;
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fread(&header, sizeof(header), 1, filein);
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if(header.manufacturer != 0x0a) {
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printf("Invalid file\n");
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return 0;
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}
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/* Read the rest of the file */
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long pos = ftell(filein);
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fseek(filein, 0, SEEK_END);
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long end = ftell(filein);
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fseek(filein, pos, SEEK_SET);
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long size = end - pos;
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uint8_t* buffer = (uint8_t*) malloc(size);
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fread(buffer, 1, size, filein);
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image->width = header.xmax - header.xmin + 1;
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image->height = header.ymax - header.ymin + 1;
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image->data = (char*) malloc(sizeof(char) * image->width * image->height);
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int bitcount = header.bits_per_pixel * header.num_color_planes;
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if(bitcount != 8) {
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printf("Wrong bitcount\n");
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return 0;
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}
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uint8_t palette_marker = buffer[size - 769];
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const uint8_t* palette = (palette_marker == 12) ? &buffer[size - 768] : header.palette;
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image->palette_width = (palette_marker == 12) ? 256 : 16;
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image->palette = (char*) malloc(sizeof(char) * 3 * image->palette_width);
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memcpy(image->palette, palette, sizeof(char) * 3 * image->palette_width);
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int32_t rle_count = 0;
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int32_t rle_value = 0;
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const uint8_t* image_data = buffer;
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uint32_t idx;
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for(idx = 0; idx < (image->width * image->height); idx++) {
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if(rle_count == 0) {
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rle_value = *image_data;
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++image_data;
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if((rle_value & 0xc0) == 0xc0) {
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rle_count = rle_value & 0x3f;
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rle_value = *image_data;
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++image_data;
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} else {
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rle_count = 1;
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}
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}
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rle_count--;
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assert(rle_value < 256);
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image->data[idx] = rle_value;
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}
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free(buffer);
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return 1;
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}
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#else
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#define BMP_BI_RGB 0L
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#define BMP_BI_UNCOMPRESSED 0L
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#define BMP_BI_RLE8 1L
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#define BMP_BI_RLE4 2L
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#define BMP_BI_BITFIELDS 3L
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#pragma pack(push)
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#pragma pack(1)
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typedef struct BITMAP_FILE_HEADER
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{
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uint16_t Type;
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uint32_t Size;
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uint16_t Reserved1;
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uint16_t Reserved2;
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uint32_t OffBits;
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} BITMAP_FILE_HEADER;
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typedef struct BITMAP_INFO_HEADER
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{
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uint32_t Size;
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int32_t Width;
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int32_t Height;
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uint16_t Planes;
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uint16_t BitCount;
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uint32_t Compression;
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uint32_t SizeImage;
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int32_t XPelsPerMeter;
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int32_t YPelsPerMeter;
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uint32_t ClrUsed;
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uint32_t ClrImportant;
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} BITMAP_INFO_HEADER;
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typedef struct RGB_QUAD
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{
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uint8_t Blue;
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uint8_t Green;
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uint8_t Red;
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uint8_t Reserved;
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} RGB_QUAD;
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typedef struct BITMAP_INFO
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{
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BITMAP_INFO_HEADER Header;
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RGB_QUAD Colors[1];
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} BITMAP_INFO;
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#pragma pack(pop)
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/* some global variables used to load a 4bpp BMP file */
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static BITMAP_FILE_HEADER BmpFileHeader;
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static BITMAP_INFO_HEADER BmpInfoHeader;
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static RGB_QUAD BmpRgbQuad[256];
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static uint8_t BmpPal[256 * 3];
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int BMP_Infos(FILE *pFile, uint32_t *width, uint32_t *height)
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{
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if (!pFile)
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return 0;
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if (fread(&BmpFileHeader.Type, 1, 2, pFile) != 2)
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return 0;
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if (fread(&BmpFileHeader.Size, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpFileHeader.Reserved1, 1, 2, pFile) != 2)
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return 0;
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if (fread(&BmpFileHeader.Reserved2, 1, 2, pFile) != 2)
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return 0;
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if (fread(&BmpFileHeader.OffBits, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpInfoHeader.Size, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpInfoHeader.Width, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpInfoHeader.Height, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpInfoHeader.Planes, 1, 2, pFile) != 2)
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return 0;
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if (fread(&BmpInfoHeader.BitCount, 1, 2, pFile) != 2)
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return 0;
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if (fread(&BmpInfoHeader.Compression, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpInfoHeader.SizeImage, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpInfoHeader.XPelsPerMeter, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpInfoHeader.YPelsPerMeter, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpInfoHeader.ClrUsed, 1, 4, pFile) != 4)
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return 0;
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if (fread(&BmpInfoHeader.ClrImportant, 1, 4, pFile) != 4)
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return 0;
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*width = (uint32_t)BmpInfoHeader.Width;
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*height = (uint32_t)BmpInfoHeader.Height;
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return 1;
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}
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int BMP_GetPalette(FILE *pFile)
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{
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int32_t i,bitCount;
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if (BmpInfoHeader.BitCount == 4) {
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if (!BmpInfoHeader.ClrImportant) {
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BmpInfoHeader.ClrImportant = 16;
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}
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bitCount = BmpInfoHeader.ClrImportant * sizeof(RGB_QUAD);
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if (fread(BmpRgbQuad, 1, bitCount, pFile) != bitCount){
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return 0;
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}
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for (i = 0; i < BmpInfoHeader.ClrImportant; i++) {
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BmpPal[i * 3] = (uint8_t)BmpRgbQuad[i].Red;
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BmpPal[i * 3 + 1] = (uint8_t)BmpRgbQuad[i].Green;
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BmpPal[i * 3 + 2] = (uint8_t)BmpRgbQuad[i].Blue;
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}
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return 1;
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}
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return 0;
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}
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/* maybe not the best BMP loader... */
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int BMP_Depack(FILE *pFile,char *pZone)
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{
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char PadRead[4];
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int32_t i, j, Offset, PadSize, pix, c;
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if (BmpInfoHeader.Compression != BMP_BI_RGB)
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return 0;
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PadSize = (BmpInfoHeader.Width & 3);
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PadSize = (4 - (BmpInfoHeader.Width & 3)) & 3;
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for (i = BmpInfoHeader.Height - 1; (i > -1); i--) {
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Offset = i * BmpInfoHeader.Width / 2;
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if (PadSize < 4) {
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for (j = 0; (j < BmpInfoHeader.Width / 2); j++) {
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if (!fread(&c, 1, 1, pFile)) {
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return 0;
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}
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pZone[Offset + j] = c;
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}
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}
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if (PadSize) {
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if (fread(PadRead, PadSize, 1, pFile) != PadSize) {
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return 0;
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}
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}
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}
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if (i != -1) {
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return 0;
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}
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return 1;
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}
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int LoadPalettedBMP(const char* filename, Image* image)
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{
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FILE *fp;
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uint32_t bytes;
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if (filename == NULL || image == NULL) {
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printf("Invalid NULL argument\n");
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return 0;
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}
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fp = fopen(filename, "rb");
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if (fp == NULL) {
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printf("Unable to open file\n");
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return 0;
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}
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if (!BMP_Infos(fp, &image->width, &image->height)) {
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printf("Error reading BMP:%s header\n",filename);
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return 0;
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}
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if (!BMP_GetPalette(fp)) {
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printf("Only 16c BMP are supported for this sample");
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return 0;
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}
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/* store palette information */
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image->palette = BmpPal;
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image->palette_width = 16;
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bytes = sizeof(char) * image->width * image->height;
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/* 4bpp is half byte size*/
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bytes >>= 1;
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image->data = (char*)malloc(bytes);
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if (image->data == NULL) {
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printf("Error allocating image data");
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return 0;
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}
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if (!BMP_Depack(fp, image->data)) {
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printf("Error depacking BMP:%s",filename);
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return 0;
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}
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fclose(fp);
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return 1;
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}
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#endif
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// Load Bitmaps And Convert To Textures
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void LoadGLTextures() {
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// Load Texture
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Image image1, image2;
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#ifndef USE_16C_PALETTE
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if(!LoadPalettedPCX(IMG_PATH, &image1)) {
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exit(1);
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}
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if(!LoadPalettedPCX(IMG_ALPHA_PATH, &image2)) {
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exit(1);
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}
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#else
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if (!LoadPalettedBMP(IMG_PATH, &image1)) {
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exit(1);
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}
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if (!LoadPalettedBMP(IMG_ALPHA_PATH, &image2)) {
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exit(1);
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}
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#endif
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glEnable(GL_SHARED_TEXTURE_PALETTE_EXT);
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/* First palette */
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glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGBA8, image1.palette_width, GL_RGB, GL_UNSIGNED_BYTE, image1.palette);
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char* inversed_palette = (char*) malloc(sizeof(char) * image1.palette_width * 3);
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GLuint i;
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for(i = 0; i < image1.palette_width; i++) {
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/* Swap red and green */
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inversed_palette[i * 3] = image1.palette[(i * 3) + 1];
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inversed_palette[(i * 3) + 1] = image1.palette[(i * 3)];
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inversed_palette[(i * 3) + 2] = image1.palette[(i * 3) + 2];
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}
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glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_1_KOS, GL_RGBA8, image1.palette_width, GL_RGB, GL_UNSIGNED_BYTE, inversed_palette);
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// Create Texture
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glGenTextures(3, textures);
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glBindTexture(GL_TEXTURE_2D, textures[0]); // 2d texture (x and y size)
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_LINEAR); // scale linearly when image bigger than texture
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_LINEAR); // scale linearly when image smalled than texture
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// 2d texture, level of detail 0 (normal), 3 components (red, green, blue), x size from image, y size from image,
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// border 0 (normal), rgb color data, unsigned byte data, and finally the data itself.
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#ifndef USE_16C_PALETTE
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glTexImage2D(GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, image1.width, image1.height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, image1.data);
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#else
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glTexImage2D(GL_TEXTURE_2D, 0, GL_COLOR_INDEX4_EXT, image1.width, image1.height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, image1.data);
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#endif
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glBindTexture(GL_TEXTURE_2D, textures[1]); // 2d texture (x and y size)
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_LINEAR); // scale linearly when image bigger than texture
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_LINEAR); // scale linearly when image smalled than texture
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/* Texture-specific palette! */
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glColorTableEXT(GL_TEXTURE_2D, GL_RGBA8, image1.palette_width, GL_RGB, GL_UNSIGNED_BYTE, inversed_palette);
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// 2d texture, level of detail 0 (normal), 3 components (red, green, blue), x size from image, y size from image,
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// border 0 (normal), rgb color data, unsigned byte data, and finally the data itself.
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#ifndef USE_16C_PALETTE
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glTexImage2D(GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, image1.width, image1.height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, image1.data);
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#else
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glTexImage2D(GL_TEXTURE_2D, 0, GL_COLOR_INDEX4_EXT, image1.width, image1.height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, image1.data);
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#endif
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glBindTexture(GL_TEXTURE_2D, textures[2]);
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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char* new_palette = (char*) malloc(image2.palette_width * 4);
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for(i = 0; i < image2.palette_width; ++i) {
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new_palette[(i * 4) + 0] = image2.palette[(i * 3) + 0];
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new_palette[(i * 4) + 1] = image2.palette[(i * 3) + 1];
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new_palette[(i * 4) + 2] = image2.palette[(i * 3) + 2];
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new_palette[(i * 4) + 3] = (i == 2) ? 0 : 255;
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}
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glColorTableEXT(GL_TEXTURE_2D, GL_RGBA8, image2.palette_width, GL_RGBA, GL_UNSIGNED_BYTE, new_palette);
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#ifndef USE_16C_PALETTE
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glTexImage2D(GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, image2.width, image2.height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, image2.data);
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#else
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glTexImage2D(GL_TEXTURE_2D, 0, GL_COLOR_INDEX4_EXT, image2.width, image2.height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, image2.data);
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#endif
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}
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/* A general OpenGL initialization function. Sets all of the initial parameters. */
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void InitGL(int Width, int Height) // We call this right after our OpenGL window is created.
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{
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LoadGLTextures();
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glEnable(GL_TEXTURE_2D);
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glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // This Will Clear The Background Color To Black
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glClearDepth(1.0); // Enables Clearing Of The Depth Buffer
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glDepthFunc(GL_LEQUAL); // The Type Of Depth Test To Do
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glEnable(GL_DEPTH_TEST); // Enables Depth Testing
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glShadeModel(GL_SMOOTH); // Enables Smooth Color Shading
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity(); // Reset The Projection Matrix
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gluPerspective(45.0f,(GLfloat)Width/(GLfloat)Height,0.1f,100.0f); // Calculate The Aspect Ratio Of The Window
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glMatrixMode(GL_MODELVIEW);
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}
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/* The function called when our window is resized (which shouldn't happen, because we're fullscreen) */
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void ReSizeGLScene(int Width, int Height)
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{
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if (Height == 0) // Prevent A Divide By Zero If The Window Is Too Small
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Height = 1;
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|
|
glViewport(0, 0, Width, Height); // Reset The Current Viewport And Perspective Transformation
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
|
|
gluPerspective(45.0f,(GLfloat)Width/(GLfloat)Height,0.1f,100.0f);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
}
|
|
|
|
int check_start() {
|
|
#ifdef __DREAMCAST__
|
|
maple_device_t *cont;
|
|
cont_state_t *state;
|
|
|
|
cont = maple_enum_type(0, MAPLE_FUNC_CONTROLLER);
|
|
|
|
if(cont) {
|
|
state = (cont_state_t *)maple_dev_status(cont);
|
|
|
|
if(state)
|
|
return state->buttons & CONT_START;
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
void DrawPolygon() {
|
|
glBegin(GL_QUADS); // begin drawing a cube
|
|
|
|
// Front Face (note that the texture's corners have to match the quad's corners)
|
|
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and Quad
|
|
glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and Quad
|
|
glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Right Of The Texture and Quad
|
|
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Left Of The Texture and Quad
|
|
|
|
// Back Face
|
|
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and Quad
|
|
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Right Of The Texture and Quad
|
|
glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Left Of The Texture and Quad
|
|
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and Quad
|
|
|
|
// Top Face
|
|
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and Quad
|
|
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Bottom Left Of The Texture and Quad
|
|
glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Bottom Right Of The Texture and Quad
|
|
glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and Quad
|
|
|
|
// Bottom Face
|
|
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Top Right Of The Texture and Quad
|
|
glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Top Left Of The Texture and Quad
|
|
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and Quad
|
|
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and Quad
|
|
|
|
// Right face
|
|
glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and Quad
|
|
glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and Quad
|
|
glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Left Of The Texture and Quad
|
|
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and Quad
|
|
|
|
// Left Face
|
|
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and Quad
|
|
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and Quad
|
|
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Right Of The Texture and Quad
|
|
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and Quad
|
|
|
|
glEnd(); // done with the polygon.
|
|
}
|
|
|
|
/* The main drawing function. */
|
|
void DrawGLScene()
|
|
{
|
|
static GLuint switch_counter = 0;
|
|
static GLuint current_bank = 0;
|
|
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And The Depth Buffer
|
|
glLoadIdentity(); // Reset The View
|
|
|
|
glEnable(GL_SHARED_TEXTURE_PALETTE_EXT);
|
|
|
|
glTranslatef(-1.5f,0.0f,-8.0f); // move 5 units into the screen.
|
|
|
|
glPushMatrix();
|
|
glRotatef(xrot,1.0f,0.0f,0.0f); // Rotate On The X Axis
|
|
glRotatef(yrot,0.0f,1.0f,0.0f); // Rotate On The Y Axis
|
|
glRotatef(zrot,0.0f,0.0f,1.0f); // Rotate On The Z Axis
|
|
glBindTexture(GL_TEXTURE_2D, textures[0]); // choose the texture to use.
|
|
|
|
if(switch_counter++ > 200) {
|
|
switch_counter = 0;
|
|
current_bank = !current_bank;
|
|
glTexParameteri(GL_TEXTURE_2D, GL_SHARED_TEXTURE_BANK_KOS, current_bank);
|
|
}
|
|
|
|
DrawPolygon();
|
|
glPopMatrix();
|
|
|
|
glDisable(GL_SHARED_TEXTURE_PALETTE_EXT);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, textures[1]);
|
|
glTranslatef(3.0, 0, 0);
|
|
DrawPolygon();
|
|
|
|
static float x = 0.0f;
|
|
x += 0.05f;
|
|
if(x > 5.0f) {
|
|
x = 0.0f;
|
|
}
|
|
|
|
glAlphaFunc(GL_GREATER, 0.666f);
|
|
glEnable(GL_ALPHA_TEST);
|
|
glBindTexture(GL_TEXTURE_2D, textures[2]);
|
|
glTranslatef(x - 3.0, 0, 3.0);
|
|
DrawPolygon();
|
|
glDisable(GL_ALPHA_TEST);
|
|
|
|
xrot+=1.5f; // X Axis Rotation
|
|
yrot+=1.5f; // Y Axis Rotation
|
|
zrot+=1.5f; // Z Axis Rotation
|
|
//
|
|
// swap buffers to display, since we're double buffered.
|
|
glKosSwapBuffers();
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
GLdcConfig config;
|
|
glKosInitConfig(&config);
|
|
|
|
config.internal_palette_format = GL_RGBA8;
|
|
|
|
glKosInitEx(&config);
|
|
|
|
InitGL(640, 480);
|
|
ReSizeGLScene(640, 480);
|
|
|
|
while(1) {
|
|
if(check_start())
|
|
break;
|
|
|
|
DrawGLScene();
|
|
}
|
|
|
|
return 0;
|
|
}
|