Minor refactoring, comments
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@ -532,9 +532,9 @@ static void ChoosePalette(void)
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// need to apply grayscale filter
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// need to apply grayscale filter
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// allocate memory for grayscale palette
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// allocate memory for grayscale palette
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if (grayscaled_palo == NULL)
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if (grayscaled_palo == NULL)
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grayscaled_palo = (pal*)malloc(sizeof(pal) * 512);
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grayscaled_palo = (pal*)malloc(sizeof(pal) * 64 * 8);
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// make every color grayscale
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// make every color grayscale
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for (int x = 0; x < 512; x++)
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for (int x = 0; x < 64 * 8; x++)
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{
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{
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uint8 gray = ((float)palo[x].r * 0.299 + (float)palo[x].g * 0.587 + (float)palo[x].b * 0.114);
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uint8 gray = ((float)palo[x].r * 0.299 + (float)palo[x].g * 0.587 + (float)palo[x].b * 0.114);
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grayscaled_palo[x].r = gray;
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grayscaled_palo[x].r = gray;
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@ -546,6 +546,7 @@ static void ChoosePalette(void)
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}
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}
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else if (grayscaled_palo != NULL)
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else if (grayscaled_palo != NULL)
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{
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{
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// free allocated memory if the grayscale filter is not used anymore
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free(grayscaled_palo);
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free(grayscaled_palo);
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grayscaled_palo = NULL;
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grayscaled_palo = NULL;
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}
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}
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