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author | Marcus Huderle <huderlem@gmail.com> | 2017-09-30 19:23:55 -0700 |
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committer | GitHub <noreply@github.com> | 2017-09-30 19:23:55 -0700 |
commit | 83efcc9c3d1e81b78c2cd9ceab3ac6420a5f4070 (patch) | |
tree | 19bbb03916702b468956e82ed2bbe6d259b77a85 /src/engine/blend_palette.c | |
parent | 5fb9b9052276243d54ecfc27d0514e9c35825e8c (diff) | |
parent | 70c45eb2616195eb47b8bc67d03a1589cd6c56e6 (diff) |
Merge pull request #411 from ProjectRevoTPP/refactor_src
split out src/ directory into categorized subdirectories.
Diffstat (limited to 'src/engine/blend_palette.c')
-rw-r--r-- | src/engine/blend_palette.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/engine/blend_palette.c b/src/engine/blend_palette.c new file mode 100644 index 000000000..843c50ac1 --- /dev/null +++ b/src/engine/blend_palette.c @@ -0,0 +1,20 @@ +#include "global.h" +#include "blend_palette.h" +#include "palette.h" + +void BlendPalette(u16 palOffset, u16 numEntries, u8 coeff, u16 blendColor) +{ + u16 i; + for (i = 0; i < numEntries; i++) + { + u16 index = i + palOffset; + struct PlttData *data1 = (struct PlttData *)&gPlttBufferUnfaded[index]; + s8 r = data1->r; + s8 g = data1->g; + s8 b = data1->b; + struct PlttData *data2 = (struct PlttData *)&blendColor; + gPlttBufferFaded[index] = ((r + (((data2->r - r) * coeff) >> 4)) << 0) + | ((g + (((data2->g - g) * coeff) >> 4)) << 5) + | ((b + (((data2->b - b) * coeff) >> 4)) << 10); + } +} |