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Refactor affine_background_set_color to simplify brightness adjustment logic

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cellos51
2025-08-08 00:08:28 -04:00
parent bebe2237e4
commit dbe8585c0a
1 changed files with 1 additions and 14 deletions
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source/affine_background.c
+1 -14
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@@ -38,19 +38,6 @@ void affine_background_set_color(COLOR color)
memcpy16(&pal_bg_mem[AFFINE_BG_PB], affine_background_gfxPal, AFFINE_BG_PAL_LEN);
for (int i = 0; i < AFFINE_BG_PAL_LEN; i++)
{
COLOR old_color;
memcpy16(&old_color, &pal_bg_mem[AFFINE_BG_PB] + i, 1); // Copy the color from the background palette
int r, g, b;
r = (old_color & RED_MASK) >> RED_SHIFT; // Extract red component
g = (old_color & GREEN_MASK) >> GREEN_SHIFT; // Extract green component
b = (old_color & BLUE_MASK) >> BLUE_SHIFT; // Extract blue component
int brightness = (r + g + b) / 3; // Calculate brightness
const float brightness_divergence = 0.03f; // The difference in brightness between each color in the palette
const float brightness_modifier = -0.4f; // The overall brightness modifier for the palette
clr_adj_brightness(&pal_bg_mem[AFFINE_BG_PB] + i, &color, 1, float2fx(brightness_modifier + (brightness * brightness_divergence))); // Adjust brightness for the palette colors
clr_rgbscale(&pal_bg_mem[AFFINE_BG_PB] + i, &pal_bg_mem[AFFINE_BG_PB] + i, 1, color);
}
}