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Game Boy Color constraints support

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Thomas Bernard
2018-11-29 10:07:20 +01:00
parent 14f7eb1ba4
commit 8d7c37cc5f
3 changed files with 91 additions and 27 deletions
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29
src/graph.c
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@@ -3386,6 +3386,31 @@ done:
}
}
/// Paint a pixel with GBC constraints
///
/// Same 4 color palette for all pixels in a 8x8 block.
static void Pixel_in_screen_gbc_with_opt_preview(word x,word y,byte color,int preview)
{
word startx = x & ~7;
word starty = y & ~7;
word x2, y2;
byte palette;
// first set the pixel
Pixel_in_screen_layered_with_opt_preview(x,y,color,preview);
palette = color & ~3;
// force all pixels of the block to the same palette
for (y2 = 0; y2 < 8; y2++)
{
for (x2 = 0; x2 < 8; x2++)
{
byte col = Read_pixel_from_current_layer(startx+x2, starty+y2);
if ((col & ~3) != palette)
Pixel_in_screen_layered_with_opt_preview(startx+x2, starty+y2, palette | (col & 3), preview);
}
}
}
/// Paint a pixel with C64 MultiColor constraints
///
/// Only 4 colors in a 4x8 block, including the background color
@@ -3558,7 +3583,6 @@ void Update_pixel_renderer(void)
switch (Main.backups->Pages->Image_mode)
{
case IMAGE_MODE_C64FLI: //TODO
case IMAGE_MODE_GBC: // TODO
case IMAGE_MODE_ANIMATION:
// direct
Pixel_in_current_screen_with_opt_preview = Pixel_in_screen_direct_with_opt_preview;
@@ -3575,6 +3599,9 @@ void Update_pixel_renderer(void)
case IMAGE_MODE_THOMSON:
Pixel_in_current_screen_with_opt_preview = Pixel_in_screen_thomson_with_opt_preview;
break;
case IMAGE_MODE_GBC:
Pixel_in_current_screen_with_opt_preview = Pixel_in_screen_gbc_with_opt_preview;
break;
case IMAGE_MODE_C64HIRES:
case IMAGE_MODE_ZX:
Pixel_in_current_screen_with_opt_preview = Pixel_in_screen_zx_with_opt_preview;