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Add a hack to fix Daiakuji's magenta battle background issue

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kichikuou
2023-06-19 17:23:03 +09:00
parent 0e06cc1e22
commit d9e42dd4bb
4 changed files with 22 additions and 1 deletions
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src/cmdc.c
+12 -1
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@@ -27,6 +27,7 @@
#include "xsystem35.h"
#include "scenario.h"
#include "ags.h"
#include "hacks.h"
void commandCC() {
int src_x = getCaliValue();
@@ -69,7 +70,16 @@ void commandCX() {
switch(mode) {
case 0:
ags_copyArea_shadow(src_x, src_y, width, height, dst_x, dst_y);
// In Daiakuji, the image after the blending is used as a source image
// for sprite copy (CX 1). SDL's SIMD blending implementation has some
// error (blending #ff00ff and #ff00ff results in #fd00fd), so the
// resulting color may not match the colorkey of CX 1. To workaround
// this, specify a small alpha mod so that SDL will use a "slow path"
// that does accurate calculation.
if (daiakuji_cx_hack)
ags_copyArea_shadow_withrate(src_x, src_y, width, height, dst_x, dst_y, 254);
else
ags_copyArea_shadow(src_x, src_y, width, height, dst_x, dst_y);
ags_updateArea(dst_x, dst_y, width, height);
break;
case 1:
@@ -94,6 +104,7 @@ void commandCX() {
DEBUG_COMMAND_YET("CX %d,%d,%d,%d,%d,%d,%d,%d:", mode, src_x, src_y, width, height, dst_x, dst_y, col);
break;
}
daiakuji_cx_hack = false;
DEBUG_COMMAND("CX %d,%d,%d,%d,%d,%d,%d,%d:", mode, src_x, src_y, width, height, dst_x, dst_y, col);
}