| 1 | /* GFX2mo5 - libraw2mo5.c |
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| 2 | * CloudStrife - 20080921 |
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| 3 | * PulkoMandy - 20101221, 20130213 |
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| 4 | * Diffusé sous licence libre CeCILL v2 |
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| 5 | * Voir LICENCE |
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| 6 | */ |
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| 7 | |
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| 8 | #include <stdbool.h> |
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| 9 | #include <stdio.h> |
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| 10 | #include <stdlib.h> |
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| 11 | #include <string.h> |
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| 12 | |
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| 13 | unsigned char *raw2mo5(unsigned char *input, bool fixup) |
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| 14 | { |
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| 15 | unsigned char *tmpBuffer; |
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| 16 | int x,y; |
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| 17 | int previous = 0; |
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| 18 | |
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| 19 | tmpBuffer = (unsigned char*)calloc(0x4000,1); |
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| 20 | if (tmpBuffer == NULL) |
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| 21 | { |
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| 22 | printf("Allocation tmpBuffer raté\n"); |
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| 23 | exit(4); |
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| 24 | } |
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| 25 | #define width 320 |
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| 26 | |
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| 27 | bool lfo = false; |
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| 28 | for (y = 0; y < 200; y++) |
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| 29 | for (x = 0; x < 320; x+=8) { |
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| 30 | int fore = 255; |
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| 31 | int back = 255; |
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| 32 | int pix; |
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| 33 | bool oldlfo = lfo; |
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| 34 | |
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| 35 | for(pix = 0; pix < 8; pix++) { |
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| 36 | int nc = input[y*width+x+pix]; |
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| 37 | if (nc > 15) printf("Color over limit!\n"); |
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| 38 | if (back == nc) { |
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| 39 | // Pixel is in backcolor, set FORME to 0 |
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| 40 | lfo = false; |
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| 41 | } else if (fore == nc) { |
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| 42 | // Pixel is in forecolor, set FORME to 1 |
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| 43 | tmpBuffer[(y*320+x)/8] |= 0x80>>pix; |
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| 44 | lfo = true; |
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| 45 | } else if (back==255) { |
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| 46 | // Pixel is in unknown color, back is free : allocate backcolor |
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| 47 | back = nc; |
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| 48 | lfo = false; |
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| 49 | } else if (fore == 255) { |
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| 50 | // Pixel is unknown color, back is allocated : allocate front and set FORME |
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| 51 | fore = nc; |
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| 52 | tmpBuffer[(y*320+x)/8] |= 0x80>>pix; |
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| 53 | lfo = true; |
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| 54 | } else { |
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| 55 | printf("Color clash at %d %d : %d %d %d\n",x+pix,y,fore, back, |
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| 56 | input[y*width+x+pix]); |
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| 57 | } |
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| 58 | } |
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| 59 | |
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| 60 | if (fore == 255) fore = 7; |
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| 61 | if (fore != 255) { |
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| 62 | previous &= 0xF; |
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| 63 | previous |= fore << 4; |
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| 64 | } |
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| 65 | if (back != 255) { |
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| 66 | previous &= 0xF0; |
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| 67 | previous |= back; |
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| 68 | } |
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| 69 | |
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| 70 | // Make sure the last pixel of this GPL and the first of the next GPL |
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| 71 | // are both FORME or both FOND, else we get an ugly glitch on the |
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| 72 | // EFGJ033 Gate Array MO5! |
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| 73 | if(fixup && oldlfo == !(tmpBuffer[(y*320+x)/8] & 0x80)) |
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| 74 | { |
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| 75 | previous = (previous >> 4) | (previous << 4); |
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| 76 | tmpBuffer[(y*320+x)/8] ^= 0xFF; |
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| 77 | |
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| 78 | lfo = !lfo; |
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| 79 | } |
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| 80 | |
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| 81 | tmpBuffer[0x2000+(y*320+x)/8] = previous; |
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| 82 | } |
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| 83 | |
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| 84 | return tmpBuffer; |
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| 85 | } |
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