aboutsummaryrefslogtreecommitdiff
path: root/engines/sword2/sprite.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'engines/sword2/sprite.cpp')
-rw-r--r--engines/sword2/sprite.cpp18
1 files changed, 16 insertions, 2 deletions
diff --git a/engines/sword2/sprite.cpp b/engines/sword2/sprite.cpp
index 8d260947f1..cb0923cc2f 100644
--- a/engines/sword2/sprite.cpp
+++ b/engines/sword2/sprite.cpp
@@ -500,6 +500,16 @@ int32 Screen::drawSprite(SpriteInfo *s) {
recomposePsxSprite(s);
}
+ // If the height is not an even value, fix it.
+ // Apparently it's a problem in the data of a few sprites
+ // of the PSX version. This should fix an evident problem
+ // in the foyer at the beginning of the game, where a line
+ // of pixels is missing near the stairs. But it should also
+ // fix a more subtle one in the glease gallery and in quaramonte
+ // police office.
+ if (s->h % 2)
+ s->h++;
+
freeSprite = true;
byte *tempBuf = (byte *)malloc(s->w * s->h * 2);
memset(tempBuf, 0, s->w * s->h * 2);
@@ -762,14 +772,18 @@ int32 Screen::drawSprite(SpriteInfo *s) {
src = sprite + rs.top * srcPitch + rs.left;
dst = _buffer + _screenWide * rd.top + rd.left;
- if (s->type & RDSPR_BLEND && !Sword2Engine::isPsx()) { // Blending is unavailable in PSX version
+ if (s->type & RDSPR_BLEND) {
// The original code had two different blending cases. One for
// s->blend & 0x01 and one for s->blend & 0x02. However, the
// only values that actually appear in the cluster files are
// 0, 513 and 1025 so the s->blend & 0x02 case was never used.
// Which is just as well since that code made no sense to me.
- if (!(_renderCaps & RDBLTFX_SPRITEBLEND)) {
+ // TODO: In PSX version, blending is done through hardware transparency.
+ // The only correct way to simulate this would be using 16-bit mode.
+ // As this is not yet available for this engine, fake transparency is used
+ // as placeholder.
+ if (!(_renderCaps & RDBLTFX_SPRITEBLEND) || Sword2Engine::isPsx()) {
for (i = 0; i < rs.height(); i++) {
for (j = 0; j < rs.width(); j++) {
if (src[j] && ((i & 1) == (j & 1)))