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authorMarcus Huderle <huderlem@gmail.com>2018-03-15 06:35:40 -0700
committerGitHub <noreply@github.com>2018-03-15 06:35:40 -0700
commita4988e4a997ae17ff686b8c8b9d62cd9df3c18aa (patch)
tree8ad23a98fef7efaf4a4ca01d3cf440b39e9009c4 /src/blend_palette.c
parent8ef4e1785212901e77bf10a90138c9f69fcb0d8b (diff)
parent48eee3aa1efff48045b890796a5e7e795604a679 (diff)
Merge pull request #574 from camthesaxman/reorganize
remove subdirectories
Diffstat (limited to 'src/blend_palette.c')
-rw-r--r--src/blend_palette.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/blend_palette.c b/src/blend_palette.c
new file mode 100644
index 000000000..843c50ac1
--- /dev/null
+++ b/src/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);
+ }
+}