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authorTravis Howell2003-07-30 16:25:05 +0000
committerTravis Howell2003-07-30 16:25:05 +0000
commite739a9644cf2d4e39b45928dd9713427e45bb179 (patch)
tree4e429fbe4b94c9af0fd3f93d36b7780bad7e652c
parent2ddd3a989598b1840bf109c948e5779d72695639 (diff)
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Fix Golum Ring causes graphic glitches, bug #777966
svn-id: r9294
-rw-r--r--simon/vga.cpp38
1 files changed, 27 insertions, 11 deletions
diff --git a/simon/vga.cpp b/simon/vga.cpp
index c7b77953f9..12e0c06126 100644
--- a/simon/vga.cpp
+++ b/simon/vga.cpp
@@ -748,8 +748,6 @@ void SimonEngine::vc_10_draw() {
vc_10_skip_cols(&state);
- /* XXX: implement transparency */
-
w = 0;
do {
mask = vc_10_depack_column(&state); /* esi */
@@ -757,15 +755,33 @@ void SimonEngine::vc_10_draw() {
dst = state.surf_addr + w * 2; /* edi */
h = state.draw_height;
- do {
- if (mask[0] & 0xF0)
- dst[0] = src[0];
- if (mask[0] & 0x0F)
- dst[1] = src[1];
- mask++;
- dst += state.surf_pitch;
- src += state.surf2_pitch;
- } while (--h);
+ if (!(_game & GF_SIMON2) && vc_get_bit(88)) {
+ /* transparency */
+ do {
+ if (mask[0] & 0xF0) {
+ if ((dst[0] & 0x0F0) == 0x20)
+ dst[0] = src[0];
+ }
+ if (mask[0] & 0x0F) {
+ if ((dst[1] & 0x0F0) == 0x20)
+ dst[1] = src[1];
+ }
+ mask++;
+ dst += state.surf_pitch;
+ src += state.surf2_pitch;
+ } while (--h);
+ } else {
+ /* no transparency */
+ do {
+ if (mask[0] & 0xF0)
+ dst[0] = src[0];
+ if (mask[0] & 0x0F)
+ dst[1] = src[1];
+ mask++;
+ dst += state.surf_pitch;
+ src += state.surf2_pitch;
+ } while (--h);
+ }
} while (++w != state.draw_width);
/* vc_10_helper_5 */