PRINCE: Begin of showBackAnims

3 files changed, 64 insertions, 5 deletions

diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp
index 844944184f..092fa93156 100644
--- a/engines/prince/prince.cpp
+++ b/engines/prince/prince.cpp
@@ -253,6 +253,7 @@ bool AnimListItem::loadFromStream(Common::SeekableReadStream &stream) {
 	_flags = stream.readUint16LE();
 
 	debug("AnimListItem type %d, fileNumber %d, x %d, y %d, flags %d", _type, _fileNumber, _x, _y, _flags);
+	debug("startPhase %d, endPhase %d, loopPhase %d", _startPhase, _endPhase, _loopPhase);
 
 	// 32 byte aligment
 	stream.seek(pos + 32);
@@ -704,7 +705,64 @@ void PrinceEngine::showBackAnims() {
 	int tempAnimNr = 0;
 	for (uint i = 0; i < _backAnimList.size(); i++) {
 		if (_backAnimList[i].backAnims[tempAnimNr]._state == 0) {
-			Graphics::Surface *backAnimSurface = _backAnimList[i].backAnims[tempAnimNr]._animData->getFrame(testAnimFrame);
+			_backAnimList[i]._seq._counter++;
+
+			if (_backAnimList[i]._seq._type == 2) {
+				if (_backAnimList[i]._seq._currRelative == 0) {
+					if (_backAnimList[i]._seq._counter >= _backAnimList[i]._seq._data) {
+						//change_back_anim
+					} else {
+						//not_type_2_1
+					}
+				} else {
+					//not_type_2_1
+				}
+			}
+
+			//not_type_2_1:
+			if (_backAnimList[i]._seq._type == 3) {
+				if (_backAnimList[i]._seq._currRelative == 0) {
+					if (_backAnimList[i]._seq._counter < _backAnimList[i]._seq._data2) {
+						//empty_frame - do not show anything
+					} else {
+						//movzx	eax,w [ebx+size BAS+BASA_Num]
+						//mov	d [ebx.BAS_Current],eax
+						//call	SetBackAnim
+						//inc	d [ebx.BAS_CurrRelative]
+					}
+				} else {
+					//not_type_3_1
+				}
+			}
+			//not_type_3_1:
+
+			//show_bugger
+
+			debug("frame: %d", _backAnimList[i].backAnims[tempAnimNr]._lastFrame);
+			if (_backAnimList[i].backAnims[tempAnimNr]._frame == _backAnimList[i].backAnims[tempAnimNr]._lastFrame) {
+				//loop_back_anim
+				_backAnimList[i].backAnims[tempAnimNr]._frame = _backAnimList[i].backAnims[tempAnimNr]._loopFrame;
+
+				//change_back_anim
+				if (_backAnimList[i]._seq._type == 0) {
+					//show_bugger ??
+					_backAnimList[i].backAnims[tempAnimNr]._frame++; //??
+					//not_end
+				} else if (_backAnimList[i]._seq._type == 1) {
+					//repeat_rnd
+				}
+			} else {
+				_backAnimList[i].backAnims[tempAnimNr]._frame++;
+				//not_end
+			}
+
+			//not_end:
+			_backAnimList[i].backAnims[tempAnimNr]._showFrame = _backAnimList[i].backAnims[tempAnimNr]._frame;
+			//ShowFrameCode
+			//ShowFrameCodeShadow
+
+			int frame = _backAnimList[i].backAnims[tempAnimNr]._frame;
+			Graphics::Surface *backAnimSurface = _backAnimList[i].backAnims[tempAnimNr]._animData->getFrame(frame);
 			_graph->drawTransparent(_backAnimList[i].backAnims[tempAnimNr]._x, _backAnimList[i].backAnims[tempAnimNr]._y, backAnimSurface); // out of range now - crash .exe
 			backAnimSurface->free();
 			delete backAnimSurface;
diff --git a/engines/prince/prince.h b/engines/prince/prince.h
index 3f8e3f9c78..efa6033c93 100644
--- a/engines/prince/prince.h
+++ b/engines/prince/prince.h
@@ -76,16 +76,16 @@ struct Text {
 };
 
 struct AnimListItem {
-	uint16 _type;
+	uint16 _type; // type of animation - for background anims RND of frame
 	uint16 _fileNumber;
-	uint16 _startPhase;
+	uint16 _startPhase; // first phase number
 	uint16 _endPhase;
 	uint16 _loopPhase;
 	int16 _x;
 	int16 _y;
 	uint16 _loopType;
-	uint16 _nextAnim;
-	uint16 _flags;
+	uint16 _nextAnim; // number of animation to do for loop = 3
+	uint16 _flags; // byte 0 - draw overlays, byte 1 - draw in front of overlay, byte 2 - load but turn off drawing
 	bool loadFromStream(Common::SeekableReadStream &stream);
 };
 
diff --git a/engines/prince/script.cpp b/engines/prince/script.cpp
index 0c52e6a97e..16439dd604 100644
--- a/engines/prince/script.cpp
+++ b/engines/prince/script.cpp
@@ -242,6 +242,7 @@ void Script::installSingleBackAnim(Common::Array<BackgroundAnim> &_backanimList,
 			}
 			newAnim._flags = _vm->_animList[animNumber]._flags;
 			newAnim._lastFrame = _vm->_animList[animNumber]._endPhase;
+			debug("lastFrame: %d", _vm->_animList[animNumber]._endPhase);
 			newAnim._loopFrame = _vm->_animList[animNumber]._loopPhase;
 			newAnim._loopType = _vm->_animList[animNumber]._loopType;
 			newAnim._nextAnim = _vm->_animList[animNumber]._nextAnim;