thirdparty/scummvm
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DREAMWEB: Better API for 'showframe' and no more registers used (expect es:bx for diffdest blitting)

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This commit is contained in:
Bertrand Augereau 2011-07-30 15:04:25 +02:00
parent 2d0dfffe00
commit b2748740db
5 changed files with 15 additions and 15 deletions
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7
engines/dreamweb/sprite.cpp
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@ -70,14 +70,15 @@ void DreamGenContext::printasprite(const Sprite *sprite) {
else
c = 0;
uint8 width, height;
showframe(READ_LE_UINT16(&sprite->w6), x, y, sprite->b15, c, &width, &height);
ds = sprite->frameData();
showframe(ds.ptr(0, 0), x, y, sprite->b15, c, &width, &height);
}
void DreamGenContext::clearsprites() {
memset(spritetable(), 0xff, sizeof(Sprite) * 16);
}
Sprite *DreamGenContext::makesprite(uint8 x, uint8 y, uint16 updateCallback, uint16 somethingInDx, uint16 somethingInDi) {
Sprite *DreamGenContext::makesprite(uint8 x, uint8 y, uint16 updateCallback, uint16 frameData, uint16 somethingInDi) {
Sprite *sprite = spritetable();
while (sprite->b15 != 0xff) { // NB: No boundchecking in the original code either
++sprite;
@ -86,7 +87,7 @@ Sprite *DreamGenContext::makesprite(uint8 x, uint8 y, uint16 updateCallback, uin
sprite->setUpdateCallback(updateCallback);
sprite->x = x;
sprite->y = y;
WRITE_LE_UINT16(&sprite->w6, somethingInDx);
sprite->setFrameData(frameData);
WRITE_LE_UINT16(&sprite->w8, somethingInDi);
sprite->w2 = 0xffff;
sprite->b15 = 0;