From 6f19bd82f48ffb7c9f772c8b3112449df36ce6eb Mon Sep 17 00:00:00 2001
From: lukaslw <lukaslw@gmail.com>
Date: Sun, 1 Jun 2014 02:58:27 +0200
Subject: [PATCH] PRINCE: Object class update, showObjects() beginning

---
 engines/prince/graphics.cpp |  1 +
 engines/prince/object.cpp   |  8 +++---
 engines/prince/object.h     | 10 +++++++-
 engines/prince/prince.cpp   | 49 +++++++++++++++++++++++++++++++------
 engines/prince/prince.h     |  2 ++
 5 files changed, 58 insertions(+), 12 deletions(-)

diff --git a/engines/prince/graphics.cpp b/engines/prince/graphics.cpp
index 46c52a86ca2c..679885f7b83c 100644
--- a/engines/prince/graphics.cpp
+++ b/engines/prince/graphics.cpp
@@ -101,6 +101,7 @@ void GraphicsMan::drawMask(int32 posX, int32 posY, int32 width, int32 height, by
 					if ((maskData[tempMaskPostion] & maskCounter) != 0) {
 						byte orgPixel = *((byte*)originalRoomSurface->getBasePtr(x + posX, y + posY));
 						*((byte*)_frontScreen->getBasePtr(x + posX, y + posY)) = orgPixel;
+						//*((byte*)_frontScreen->getBasePtr(x + posX, y + posY)) = 0; // for debugging
 					}
 				}
 			}
diff --git a/engines/prince/object.cpp b/engines/prince/object.cpp
index 9386eaa4963d..11c553ffbc3d 100644
--- a/engines/prince/object.cpp
+++ b/engines/prince/object.cpp
@@ -32,7 +32,9 @@
 
 namespace Prince {
 
-Object::Object() : _surface(NULL), _x(0), _y(0), _z(0), _overlay(0) {
+Object::Object() : _surface(NULL), _x(0), _y(0), _z(0), _mask(0),
+	_zoomInSource(0), _zoomInLen(0), _zoomInAddr(0), _zoomInTime(0)
+{
 }
 
 Object::~Object() {
@@ -73,12 +75,12 @@ bool Object::loadFromStream(Common::SeekableReadStream &stream) {
 	loadSurface(*obStream);
 	delete obStream;
 
-	_overlay = stream.readUint16LE();
+	_mask = stream.readUint16LE();
 	_z = stream.readUint16LE();
 	
 	stream.seek(pos + 16);
 
-	debug("Object x %d, y %d, z %d overlay %d", _x, _y, _z, _overlay);
+	debug("Object x %d, y %d, z %d overlay %d", _x, _y, _z, _mask);
 
 	return true;
 }
diff --git a/engines/prince/object.h b/engines/prince/object.h
index 66f2a725f834..5bc7c580daad 100644
--- a/engines/prince/object.h
+++ b/engines/prince/object.h
@@ -33,9 +33,17 @@ class Object {
 	Object();
 	~Object();
 
+	int32 _x;
+	int32 _y;
+	int32 _z;
+	int32 _mask; // or flags
+	int32 _zoomInSource;
+	int32 _zoomInLen;
+	int32 _zoomInAddr;
+	int32 _zoomInTime;
+
 	bool loadFromStream(Common::SeekableReadStream &stream);
 	const Graphics::Surface *getSurface() const { return _surface; }
-	uint16 _x, _y, _z, _overlay;
 private:
 	void loadSurface(Common::SeekableReadStream &stream);
 	Graphics::Surface *_surface; 
diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp
index 6a65ee162b5b..a82fe9569dfc 100644
--- a/engines/prince/prince.cpp
+++ b/engines/prince/prince.cpp
@@ -977,6 +977,44 @@ void PrinceEngine::clearBackAnimList() {
 	_backAnimList.clear();
 }
 
+void PrinceEngine::showObjects() {
+	if (!_objList.empty()) {
+		for (uint i = 0; i < _objList.size(); i++) {
+			if ((_objList[i]->_mask & 32768) != 0) { // 8000h
+				_objList[i]->_zoomInTime--;
+				if (_objList[i]->_zoomInTime == 0) {
+					_objList[i]->_mask &= 32767; //7FFFh
+				} else {
+					// doZoomIn();
+					// mov edx, d [esi.Obj_ZoomInAddr]
+				}
+			}
+			if ((_objList[i]->_mask & 16384) != 0) { // 4000h
+				_objList[i]->_zoomInTime--;
+				if (_objList[i]->_zoomInTime == 0) {
+					_objList[i]->_mask &= 49151; //0BFFFh
+				} else {
+					// doZoomOut();
+					// mov edx, d [esi.Obj_ZoomInAddr]
+				}
+			}
+			const Graphics::Surface *objSurface = _objList[i]->getSurface();
+			if (spriteCheck(objSurface->w, objSurface->h, _objList[i]->_x, _objList[i]->_y)) {
+				if ((_objList[i]->_mask & 512) == 0) { // 0200h
+					int destX = _objList[i]->_x - _picWindowX;
+					int destY = _objList[i]->_y - _picWindowY;
+					_graph->drawTransparent(destX, destY, objSurface);
+				} else {
+					// showBackSprite();
+				}
+			}
+			if ((_objList[i]->_mask & 1) != 0) {
+				checkMasks(_objList[i]->_x, _objList[i]->_y, objSurface->w, objSurface->h, _objList[i]->_z);
+			}
+		}
+	}
+}
+
 void PrinceEngine::drawScreen() {
 	const Graphics::Surface *roomSurface = _roomBmp->getSurface();	
 	Graphics::Surface visiblePart;
@@ -1002,15 +1040,10 @@ void PrinceEngine::drawScreen() {
 		delete mainHeroSurface;
 	}
 
-	/*
-	if (!_objList.empty()) {
-		for (int i = 0; i < _objList.size(); i++) {
-			_graph->drawTransparent(_objList[i]->_x, _objList[i]->_y, _objList[i]->getSurface());
-		}
-	}
-	*/
-
 	showBackAnims();
+
+	showObjects();
+
 	if (roomSurface) {
 		insertMasks(&visiblePart);
 	}
diff --git a/engines/prince/prince.h b/engines/prince/prince.h
index 443a5bd1482b..15dfdb4b7b21 100644
--- a/engines/prince/prince.h
+++ b/engines/prince/prince.h
@@ -171,6 +171,7 @@ struct Mask {
 	int16 getHeight() const {
 		return READ_LE_UINT16(_data + 6);
 	}
+
 	byte *getMask() const {
 		return (byte *)(_data + 8);
 	}
@@ -266,6 +267,7 @@ class PrinceEngine : public Engine {
 	bool spriteCheck(int sprWidth, int sprHeight, int destX, int destY);
 	void showSprite(Graphics::Surface *backAnimSurface, int destX, int destY);
 	void showSpriteShadow(Graphics::Surface *shadowSurface, int destX, int destY);
+	void showObjects();
 	void makeShadowTable(int brightness);
 
 	uint32 getTextWidth(const char *s);