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-rw-r--r--engines/prince/prince.cpp178
1 files changed, 141 insertions, 37 deletions
diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp
index 8f1710593d..b48ba76308 100644
--- a/engines/prince/prince.cpp
+++ b/engines/prince/prince.cpp
@@ -1474,58 +1474,162 @@ void PrinceEngine::grabMap() {
}
void PrinceEngine::initZoomIn(int slot) {
- //TODO
+ freeZoomObject(slot);
+ Object *object = _objList[slot];
+ if (object != nullptr) {
+ Graphics::Surface *zoomSource = object->getSurface();
+ if (zoomSource != nullptr) {
+ object->_flags |= 0x8000;
+ object->_zoomSurface = new Graphics::Surface();
+ object->_zoomSurface->create(zoomSource->w, zoomSource->h, Graphics::PixelFormat::createFormatCLUT8());
+ object->_zoomTime = 20;
+ }
+ }
}
void PrinceEngine::initZoomOut(int slot) {
- //TODO
+ freeZoomObject(slot);
+ Object *object = _objList[slot];
+ if (object != nullptr) {
+ Graphics::Surface *zoomSource = object->getSurface();
+ if (zoomSource != nullptr) {
+ object->_flags |= 0x4000;
+ object->_zoomSurface = new Graphics::Surface();
+ object->_zoomSurface->copyFrom(*zoomSource);
+ object->_zoomTime = 10;
+ }
+ }
+}
+
+void PrinceEngine::doZoomIn(int slot) {
+ Object *object = _objList[slot];
+ if (object != nullptr) {
+ Graphics::Surface *orgSurface = object->getSurface();
+ if (orgSurface != nullptr) {
+ byte *src1 = (byte *)orgSurface->getBasePtr(0, 0);
+ byte *dst1 = (byte *)object->_zoomSurface->getBasePtr(0, 0);
+ int x = 0;
+ int w, rand;
+ for (int y = 0; y < orgSurface->h; y++) {
+ byte *src2 = src1;
+ byte *dst2 = dst1;
+ w = orgSurface->w - x;
+ src2 += x;
+ dst2 += x;
+ while (w > 0) {
+ rand = _randomSource.getRandomNumber(zoomInStep - 1);
+ if (rand < w) {
+ *(dst2 + rand) = *(src2 + rand);
+ src2 += zoomInStep;
+ dst2 += zoomInStep;
+ } else {
+ *(dst1 + orgSurface->pitch + rand - w) = *(src1 + orgSurface->pitch + rand - w);
+ }
+ w -= zoomInStep;
+ }
+ x = -1 * w;
+ src1 += orgSurface->pitch;
+ dst1 += orgSurface->pitch;
+ }
+ }
+ }
+}
+
+void PrinceEngine::doZoomOut(int slot) {
+ Object *object = _objList[slot];
+ if (object != nullptr) {
+ Graphics::Surface *orgSurface = object->getSurface();
+ if (orgSurface != nullptr) {
+ byte *dst1 = (byte *)object->_zoomSurface->getBasePtr(0, 0);
+ int x = 0;
+ int w, rand;
+ for (int y = 0; y < orgSurface->h; y++) {
+ byte *dst2 = dst1;
+ w = orgSurface->w - x;
+ dst2 += x;
+ while (w > 0) {
+ rand = _randomSource.getRandomNumber(zoomInStep - 1);
+ if (rand < w) {
+ *(dst2 + rand) = 255;
+ dst2 += zoomInStep;
+ } else {
+ *(dst1 + orgSurface->pitch + rand - w) = 255;
+ }
+ w -= zoomInStep;
+ }
+ x = -1 * w;
+ dst1 += orgSurface->pitch;
+ }
+ }
+ }
+}
+
+void PrinceEngine::freeZoomObject(int slot) {
+ Object *object = _objList[slot];
+ if (object != nullptr) {
+ if (object->_zoomSurface != nullptr) {
+ object->_zoomSurface->free();
+ delete object->_zoomSurface;
+ object->_zoomSurface = nullptr;
+ }
+ }
}
void PrinceEngine::showObjects() {
for (int i = 0; i < kMaxObjects; i++) {
int nr = _objSlot[i];
if (nr != -1) {
- if ((_objList[nr]->_mask & 0x8000)) {
- _objList[nr]->_zoomInTime--;
- if (!_objList[nr]->_zoomInTime) {
- _objList[nr]->_mask &= 0x7FFF;
+ Graphics::Surface *objSurface = nullptr;
+ if ((_objList[nr]->_flags & 0x8000)) {
+ _objList[nr]->_zoomTime--;
+ if (!_objList[nr]->_zoomTime) {
+ freeZoomObject(nr);
+ _objList[nr]->_flags &= 0x7FFF;
+ objSurface = _objList[nr]->getSurface();
} else {
- // doZoomIn();
- // mov edx, d [esi.Obj_ZoomInAddr]
+ doZoomIn(nr);
+ objSurface = _objList[nr]->_zoomSurface;
}
- }
- if ((_objList[nr]->_mask & 0x4000)) {
- _objList[nr]->_zoomInTime--;
- if (!_objList[nr]->_zoomInTime) {
- _objList[nr]->_mask &= 0xBFFF;
+ } else if ((_objList[nr]->_flags & 0x4000)) {
+ _objList[nr]->_zoomTime--;
+ if (!_objList[nr]->_zoomTime) {
+ freeZoomObject(nr);
+ _objList[nr]->_flags &= 0xBFFF;
+ objSurface = _objList[nr]->getSurface();
} else {
- // doZoomOut();
- // mov edx, d [esi.Obj_ZoomInAddr]
+ doZoomOut(nr);
+ objSurface = _objList[nr]->_zoomSurface;
}
+ } else {
+ objSurface = _objList[nr]->getSurface();
}
- Graphics::Surface *objSurface = _objList[nr]->getSurface();
- if (spriteCheck(objSurface->w, objSurface->h, _objList[nr]->_x, _objList[nr]->_y)) {
- if ((_objList[i]->_mask & 0x0200) == 0) {
- int destX = _objList[nr]->_x - _picWindowX;
- int destY = _objList[nr]->_y - _picWindowY;
- DrawNode newDrawNode;
- newDrawNode.posX = destX;
- newDrawNode.posY = destY;
- newDrawNode.posZ = _objList[nr]->_z;
- newDrawNode.width = 0;
- newDrawNode.height = 0;
- newDrawNode.s = objSurface;
- newDrawNode.originalRoomSurface = nullptr;
- newDrawNode.data = nullptr;
- newDrawNode.freeSurfaceSMemory = false;
- newDrawNode.drawFunction = &_graph->drawTransparentDrawNode;
- _drawNodeList.push_back(newDrawNode);
- } else {
- // showBackSprite();
+
+ if (objSurface != nullptr) {
+ if (spriteCheck(objSurface->w, objSurface->h, _objList[nr]->_x, _objList[nr]->_y)) {
+ if ((_objList[i]->_flags & 0x0200) == 0) {
+ int destX = _objList[nr]->_x - _picWindowX;
+ int destY = _objList[nr]->_y - _picWindowY;
+ DrawNode newDrawNode;
+ newDrawNode.posX = destX;
+ newDrawNode.posY = destY;
+ newDrawNode.posZ = _objList[nr]->_z;
+ newDrawNode.width = 0;
+ newDrawNode.height = 0;
+ newDrawNode.s = objSurface;
+ newDrawNode.originalRoomSurface = nullptr;
+ newDrawNode.data = nullptr;
+ newDrawNode.freeSurfaceSMemory = false;
+ newDrawNode.drawFunction = &_graph->drawTransparentDrawNode;
+ _drawNodeList.push_back(newDrawNode);
+ } else {
+ // showBackSprite();
+ error("showBackSprite() - showObjects");
+ }
+ }
+
+ if ((_objList[nr]->_flags & 1)) {
+ checkMasks(_objList[nr]->_x, _objList[nr]->_y, objSurface->w, objSurface->h, _objList[nr]->_z);
}
- }
- if ((_objList[nr]->_mask & 1)) {
- checkMasks(_objList[nr]->_x, _objList[nr]->_y, objSurface->w, objSurface->h, _objList[nr]->_z);
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-10 09:08:52 +0000