thirdparty/scummvm
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implementation of spritesSortActiveSprites()

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svn-id: r16885
This commit is contained in:
Eugene Sandulenko 2005-02-23 23:28:53 +00:00
parent 23306f5921
commit e936c234af
2 changed files with 49 additions and 0 deletions
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1
scumm/intern.h
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@ -971,6 +971,7 @@ protected:
void spritesMarkDirty(bool unkFlag); void spritesMarkDirty(bool unkFlag);
void spritesUpdateImages(); void spritesUpdateImages();
void spriteInfoSet_addImageToList(int spriteId, int imageNum, int *spriteIdptr); void spriteInfoSet_addImageToList(int spriteId, int imageNum, int *spriteIdptr);
void spritesSortActiveSprites();
/* HE version 90 script opcodes */ /* HE version 90 script opcodes */
void o90_dup(); void o90_dup();

48
scumm/sprite_he.cpp
View file

@ -1091,4 +1091,52 @@ void ScummEngine_v90he::spritesUpdateImages() {
} }
} }
static int compareSprTable(const void *a, const void *b) {
const SpriteInfo *spr1 = *(const SpriteInfo *const*)a;
const SpriteInfo *spr2 = *(const SpriteInfo *const*)b;
if (spr1->field_0 > spr2->field_0)
return 1;
if (spr1->field_0 < spr2->field_0)
return -1;
return 0;
}
void ScummEngine_v90he::spritesSortActiveSprites() {
int groupField;
_numSpritesToProcess = 0;
if (_varNumSprites <= 1)
return;
for (int i = 1; i < _varNumSprites; i++) {
SpriteInfo *spi = &_spriteTable[i];
if (spi->flags & kSF08) {
if (!spi->flags & kSF23) {
if (!spi->flags & kSF30)
spi->flags |= kSFNeedRedraw;
if (!spi->flags & kSF31)
spi->flags |= kSF01;
}
if (spi->group_num)
groupField = _spriteGroups[spi->group_num].field_10;
else
groupField = 0;
spi->field_0 = spi->field_18 + groupField;
_activeSpritesTable[_numSpritesToProcess++] = spi;
}
}
if (_numSpritesToProcess < 2)
return;
qsort(_activeSpritesTable, _numSpritesToProcess, sizeof(SpriteInfo *), compareSprTable);
}
} // End of namespace Scumm } // End of namespace Scumm