Merge pull request #354 from tobiatesan/wintermute_rotozoom_3

WINTERMUTE: Wintermute rotozoom 3

10 files changed, 156 insertions, 124 deletions

diff --git a/engines/wintermute/base/base_sprite.h b/engines/wintermute/base/base_sprite.h
index 05cb9fc936..d464899b04 100644
--- a/engines/wintermute/base/base_sprite.h
+++ b/engines/wintermute/base/base_sprite.h
@@ -32,6 +32,7 @@
 
 #include "engines/wintermute/coll_templ.h"
 #include "engines/wintermute/base/base_script_holder.h"
+#include "engines/wintermute/graphics/transform_tools.h"
 
 namespace Wintermute {
 class BaseFrame;
@@ -44,17 +45,17 @@ public:
 	void setDefaults();
 	DECLARE_PERSISTENT(BaseSprite, BaseScriptHolder)
 
-	bool getBoundingRect(Rect32 *rect, int x, int y, float scaleX = 100, float scaleY = 100);
+	bool getBoundingRect(Rect32 *rect, int x, int y, float scaleX = kDefaultZoomX, float scaleY = kDefaultZoomY);
 	int32 _moveY;
 	int32 _moveX;
-	bool display(int x, int y, BaseObject *registerOwner = nullptr, float zoomX = 100, float zoomY = 100, uint32 alpha = 0xFFFFFFFF, float rotate = 0.0f, TSpriteBlendMode blendMode = BLEND_NORMAL);
-	bool getCurrentFrame(float zoomX = 100, float zoomY = 100);
+	bool display(int x, int y, BaseObject *registerOwner = nullptr, float zoomX = kDefaultZoomX, float zoomY = kDefaultZoomY, uint32 alpha = kDefaultRgbaMod, float rotate = kDefaultAngle, TSpriteBlendMode blendMode = BLEND_NORMAL);
+	bool getCurrentFrame(float zoomX = kDefaultZoomX, float zoomY = kDefaultZoomY);
 	void reset();
 	bool isChanged();
 	bool isFinished();
 	bool loadBuffer(byte *buffer, bool compete = true, int lifeTime = -1, TSpriteCacheType cacheType = CACHE_ALL);
 	bool loadFile(const Common::String &filename, int lifeTime = -1, TSpriteCacheType cacheType = CACHE_ALL);
-	bool draw(int x, int y, BaseObject *Register = nullptr, float zoomX = 100, float zoomY = 100, uint32 alpha = 0xFFFFFFFF);
+	bool draw(int x, int y, BaseObject *Register = nullptr, float zoomX = kDefaultZoomX, float zoomY = kDefaultZoomY, uint32 alpha = kDefaultRgbaMod);
 	bool _looping;
 	int32 _currentFrame;
 	bool addFrame(const char *filename, uint32 delay = 0, int hotspotX = 0, int hotspotY = 0, Rect32 *rect = nullptr);
diff --git a/engines/wintermute/base/base_sub_frame.cpp b/engines/wintermute/base/base_sub_frame.cpp
index d93cf667f1..7012c28feb 100644
--- a/engines/wintermute/base/base_sub_frame.cpp
+++ b/engines/wintermute/base/base_sub_frame.cpp
@@ -38,6 +38,8 @@
 #include "engines/wintermute/base/gfx/base_renderer.h"
 #include "engines/wintermute/base/scriptables/script_value.h"
 #include "engines/wintermute/base/scriptables/script_stack.h"
+#include "engines/wintermute/graphics/transform_tools.h"
+#include "engines/wintermute/graphics/transform_struct.h"
 
 namespace Wintermute {
 
@@ -46,8 +48,9 @@ IMPLEMENT_PERSISTENT(BaseSubFrame, false)
 //////////////////////////////////////////////////////////////////////////
 BaseSubFrame::BaseSubFrame(BaseGame *inGame) : BaseScriptable(inGame, true) {
 	_surface = nullptr;
-	_hotspotX = _hotspotY = 0;
-	_alpha = 0xFFFFFFFF;
+	_hotspotX = kDefaultHotspotX;
+	_hotspotY = kDefaultHotspotY;
+	_alpha = kDefaultRgbaMod;
 	_transparent = 0xFFFF00FF;
 
 	_wantsDefaultRect = false;
@@ -233,12 +236,18 @@ const char* BaseSubFrame::getSurfaceFilename() {
 
 //////////////////////////////////////////////////////////////////////
 bool BaseSubFrame::draw(int x, int y, BaseObject *registerOwner, float zoomX, float zoomY, bool precise, uint32 alpha, float rotate, TSpriteBlendMode blendMode) {
+	
+	rotate = fmod(rotate, 360.0f);
+	if (rotate < 0) {
+		rotate += 360.0f;
+	}
+
 	if (!_surface) {
 		return STATUS_OK;
 	}
 
 	if (registerOwner != nullptr && !_decoration) {
-		if (zoomX == 100 && zoomY == 100) {
+		if (zoomX == kDefaultZoomX && zoomY == kDefaultZoomY) {
 			BaseEngine::getRenderer()->addRectToList(new BaseActiveRect(_gameRef,  registerOwner, this, x - _hotspotX + getRect().left, y  - _hotspotY + getRect().top, getRect().right - getRect().left, getRect().bottom - getRect().top, zoomX, zoomY, precise));
 		} else {
 			BaseEngine::getRenderer()->addRectToList(new BaseActiveRect(_gameRef,  registerOwner, this, (int)(x - (_hotspotX + getRect().left) * (zoomX / 100)), (int)(y - (_hotspotY + getRect().top) * (zoomY / 100)), (int)((getRect().right - getRect().left) * (zoomX / 100)), (int)((getRect().bottom - getRect().top) * (zoomY / 100)), zoomX, zoomY, precise));
@@ -251,17 +260,24 @@ bool BaseSubFrame::draw(int x, int y, BaseObject *registerOwner, float zoomX, fl
 	bool res;
 
 	//if (Alpha==0xFFFFFFFF) Alpha = _alpha; // TODO: better (combine owner's and self alpha)
-	if (_alpha != 0xFFFFFFFF) {
+	if (_alpha != kDefaultRgbaMod) {
 		alpha = _alpha;
 	}
 
-	if (rotate != 0.0f) {
-		res = _surface->displayTransform((int)(x - _hotspotX * (zoomX / 100)), (int)(y - _hotspotY * (zoomY / 100)), _hotspotX, _hotspotY, getRect(), zoomX, zoomY, alpha, rotate, blendMode, _mirrorX, _mirrorY);
+	if (rotate != kDefaultAngle) {
+		Point32 boxOffset, rotatedHotspot, hotspotOffset, newOrigin;
+		Point32 origin(x, y);
+		Rect32 oldRect = getRect();
+		Point32 newHotspot;
+		TransformStruct transform = TransformStruct(zoomX, zoomY, rotate, _hotspotX, _hotspotY, blendMode, alpha, _mirrorX, _mirrorY, 0, 0);
+		Rect32 newRect = TransformTools::newRect (oldRect, transform, &newHotspot);
+		newOrigin = origin - newHotspot;
+		res = _surface->displayTransform(newOrigin.x, newOrigin.y, oldRect, newRect, transform); 
 	} else {
-		if (zoomX == 100 && zoomY == 100) {
+		if (zoomX == kDefaultZoomX && zoomY == kDefaultZoomY) {
 			res = _surface->displayTrans(x - _hotspotX, y - _hotspotY, getRect(), alpha, blendMode, _mirrorX, _mirrorY);
 		} else {
-			res = _surface->displayTransZoom((int)(x - _hotspotX * (zoomX / 100)), (int)(y - _hotspotY * (zoomY / 100)), getRect(), zoomX, zoomY, alpha, blendMode, _mirrorX, _mirrorY);
+			res = _surface->displayTransZoom((int)(x - _hotspotX * (zoomX / kDefaultZoomX)), (int)(y - _hotspotY * (zoomY / kDefaultZoomY)), getRect(), zoomX, zoomY, alpha, blendMode, _mirrorX, _mirrorY);
 		}
 	}
 
diff --git a/engines/wintermute/base/gfx/base_surface.cpp b/engines/wintermute/base/gfx/base_surface.cpp
index 2002463ea4..42ec51f39e 100644
--- a/engines/wintermute/base/gfx/base_surface.cpp
+++ b/engines/wintermute/base/gfx/base_surface.cpp
@@ -75,8 +75,8 @@ bool BaseSurface::displayHalfTrans(int x, int y, Rect32 rect) {
 }
 
 //////////////////////////////////////////////////////////////////////////
-bool BaseSurface::displayTransform(int x, int y, int hotX, int hotY, Rect32 rect, float zoomX, float zoomY, uint32 alpha, float rotate, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) {
-	return displayTransZoom(x, y, rect, zoomX, zoomY, alpha, blendMode, mirrorX, mirrorY);
+bool BaseSurface::displayTransform(int x, int y, Rect32 rect, Rect32 newRect, const TransformStruct &transform) {
+	return displayTransform(x, y, rect, newRect, transform);
 }
 
 //////////////////////////////////////////////////////////////////////////
diff --git a/engines/wintermute/base/gfx/base_surface.h b/engines/wintermute/base/gfx/base_surface.h
index b83efa0bb8..e308b29996 100644
--- a/engines/wintermute/base/gfx/base_surface.h
+++ b/engines/wintermute/base/gfx/base_surface.h
@@ -32,6 +32,7 @@
 #include "engines/wintermute/base/base.h"
 #include "engines/wintermute/math/rect32.h"
 #include "graphics/surface.h"
+#include "engines/wintermute/graphics/transform_struct.h"
 
 namespace Wintermute {
 
@@ -49,12 +50,12 @@ public:
 
 	virtual bool displayHalfTrans(int x, int y, Rect32 rect);
 	virtual bool isTransparentAt(int x, int y);
-	virtual bool displayTransZoom(int x, int y, Rect32 rect, float zoomX, float zoomY, uint32 alpha = 0xFFFFFFFF, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) = 0;
+	virtual bool displayTransZoom(int x, int y, Rect32 rect, int32 zoomX, int32 zoomY, uint32 alpha = 0xFFFFFFFF, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) = 0;
 	virtual bool displayTrans(int x, int y, Rect32 rect, uint32 alpha = 0xFFFFFFFF, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) = 0;
 	virtual bool displayTransOffset(int x, int y, Rect32 rect, uint32 alpha = 0xFFFFFFFF, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false, int offsetX = 0, int offsetY = 0) = 0;
 	virtual bool display(int x, int y, Rect32 rect, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) = 0;
-	virtual bool displayZoom(int x, int y, Rect32 rect, float zoomX, float zoomY, uint32 alpha = 0xFFFFFFFF, bool transparent = false, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) = 0;
-	virtual bool displayTransform(int x, int y, int hotX, int hotY, Rect32 rect, float zoomX, float zoomY, uint32 alpha, float rotate, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) = 0;
+	virtual bool displayTransform(int x, int y, Rect32 rect, Rect32 newRect, const TransformStruct &transform) = 0;
+	virtual bool displayZoom(int x, int y, Rect32 rect, int32 zoomX, int32 zoomY, uint32 alpha = 0xFFFFFFFF, bool transparent = false, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) = 0;
 	virtual bool repeatLastDisplayOp(int offsetX, int offsetY, int numTimesX, int numTimesY) = 0;
 	virtual bool restore();
 	virtual bool create(const Common::String &filename, bool defaultCK, byte ckRed, byte ckGreen, byte ckBlue, int lifeTime = -1, bool keepLoaded = false) = 0;
diff --git a/engines/wintermute/base/gfx/osystem/base_render_osystem.cpp b/engines/wintermute/base/gfx/osystem/base_render_osystem.cpp
index eca2998da5..7905184190 100644
--- a/engines/wintermute/base/gfx/osystem/base_render_osystem.cpp
+++ b/engines/wintermute/base/gfx/osystem/base_render_osystem.cpp
@@ -60,8 +60,7 @@ BaseRenderOSystem::BaseRenderOSystem(BaseGame *inGame) : BaseRenderer(inGame) {
 
 	_borderLeft = _borderRight = _borderTop = _borderBottom = 0;
 	_ratioX = _ratioY = 1.0f;
-	setAlphaMod(255);
-	setColorMod(255, 255, 255);
+	_colorMod = kDefaultRgbaMod;
 	_dirtyRect = nullptr;
 	_disableDirtyRects = false;
 	_tempDisableDirtyRects = 0;
@@ -150,18 +149,6 @@ bool BaseRenderOSystem::initRenderer(int width, int height, bool windowed) {
 	return STATUS_OK;
 }
 
-void BaseRenderOSystem::setAlphaMod(byte alpha) {
-	byte r = RGBCOLGetR(_colorMod);
-	byte g = RGBCOLGetB(_colorMod);
-	byte b = RGBCOLGetB(_colorMod);
-	_colorMod = BS_ARGB(alpha, r, g, b);
-}
-
-void BaseRenderOSystem::setColorMod(byte r, byte g, byte b) {
-	byte alpha = RGBCOLGetA(_colorMod);
-	_colorMod = BS_ARGB(alpha, r, g, b);
-}
-
 bool BaseRenderOSystem::indicatorFlip() {
 	g_system->copyRectToScreen((byte *)_renderSurface->getBasePtr(_indicatorX, _indicatorY), _renderSurface->pitch, _indicatorX, _indicatorY, _indicatorWidthDrawn, _indicatorHeight);
 	g_system->updateScreen();
@@ -256,7 +243,6 @@ void BaseRenderOSystem::fade(uint16 alpha) {
 	return fadeToColor(0, 0, 0, dwAlpha);
 }
 
-
 //////////////////////////////////////////////////////////////////////////
 void BaseRenderOSystem::fadeToColor(byte r, byte g, byte b, byte a, Common::Rect *rect) {
 	Common::Rect fillRect;
@@ -279,14 +265,14 @@ void BaseRenderOSystem::fadeToColor(byte r, byte g, byte b, byte a, Common::Rect
 	//TODO: This is only here until I'm sure about the final pixelformat
 	uint32 col = _renderSurface->format.ARGBToColor(a, r, g, b);
 
-	setAlphaMod(255);
-	setColorMod(255, 255, 255);
 	Graphics::Surface surf;
 	surf.create((uint16)fillRect.width(), (uint16)fillRect.height(), _renderSurface->format);
 	Common::Rect sizeRect(fillRect);
 	sizeRect.translate(-fillRect.top, -fillRect.left);
 	surf.fillRect(fillRect, col);
-	drawSurface(nullptr, &surf, &sizeRect, &fillRect, false, false);
+	TransformStruct temp = TransformStruct();
+	temp._alphaDisable = false;
+	drawSurface(nullptr, &surf, &sizeRect, &fillRect, temp);
 	surf.free();
 
 	//SDL_SetRenderDrawColor(_renderer, r, g, b, a);
@@ -298,16 +284,18 @@ Graphics::PixelFormat BaseRenderOSystem::getPixelFormat() const {
 	return _renderSurface->format;
 }
 
-void BaseRenderOSystem::drawSurface(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRect, bool mirrorX, bool mirrorY, bool disableAlpha) {
+void BaseRenderOSystem::drawSurface(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRect, TransformStruct &transform) { 
+
 	if (_tempDisableDirtyRects || _disableDirtyRects) {
-		RenderTicket *ticket = new RenderTicket(owner, surf, srcRect, dstRect, mirrorX, mirrorY, disableAlpha);
-		ticket->_colorMod = _colorMod;
+		RenderTicket *ticket = new RenderTicket(owner, surf, srcRect, dstRect, transform);
+		ticket->_transform._rgbaMod = _colorMod;
 		ticket->_wantsDraw = true;
 		_renderQueue.push_back(ticket);
 		_previousTicket = ticket;
 		drawFromSurface(ticket);
 		return;
 	}
+
 	// Start searching from the beginning for the first and second items (since it's empty the first time around
 	// then keep incrementing the start-position, to avoid comparing against already used tickets.
 	if (_drawNum == 0 || _drawNum == 1) {
@@ -320,12 +308,11 @@ void BaseRenderOSystem::drawSurface(BaseSurfaceOSystem *owner, const Graphics::S
 	}
 
 	if (owner) { // Fade-tickets are owner-less
-		RenderTicket compare(owner, nullptr, srcRect, dstRect, mirrorX, mirrorY, disableAlpha);
+		RenderTicket compare(owner, nullptr, srcRect, dstRect, transform);
 		compare._batchNum = _batchNum;
 		if (_spriteBatch) {
 			_batchNum++;
 		}
-		compare._colorMod = _colorMod;
 		RenderQueueIterator it;
 		// Avoid calling end() and operator* every time, when potentially going through
 		// LOTS of tickets.
@@ -334,7 +321,7 @@ void BaseRenderOSystem::drawSurface(BaseSurfaceOSystem *owner, const Graphics::S
 		for (it = _lastAddedTicket; it != endIterator; ++it) {
 			compareTicket = *it;
 			if (*(compareTicket) == compare && compareTicket->_isValid) {
-				compareTicket->_colorMod = _colorMod;
+				compareTicket->_transform._rgbaMod = transform._rgbaMod; 
 				if (_disableDirtyRects) {
 					drawFromSurface(compareTicket);
 				} else {
@@ -349,8 +336,7 @@ void BaseRenderOSystem::drawSurface(BaseSurfaceOSystem *owner, const Graphics::S
 			}
 		}
 	}
-	RenderTicket *ticket = new RenderTicket(owner, surf, srcRect, dstRect, mirrorX, mirrorY, disableAlpha);
-	ticket->_colorMod = _colorMod;
+	RenderTicket *ticket = new RenderTicket(owner, surf, srcRect, dstRect, transform);
 	if (!_disableDirtyRects) {
 		drawFromTicket(ticket);
 		_previousTicket = ticket;
@@ -385,12 +371,14 @@ void BaseRenderOSystem::repeatLastDraw(int offsetX, int offsetY, int numTimesX,
 		int initLeft = dstRect.left;
 		int initRight = dstRect.right;
 
+		TransformStruct temp = TransformStruct(kDefaultZoomX, kDefaultZoomY, kDefaultAngle, kDefaultHotspotX, kDefaultHotspotY, BLEND_NORMAL, kDefaultRgbaMod, false, false, kDefaultOffsetX, kDefaultOffsetY);
+
 		for (int i = 0; i < numTimesY; i++) {
 			if (i == 0) {
 				dstRect.translate(offsetX, 0);
 			}
 			for (int j = (i == 0 ? 1 : 0); j < numTimesX; j++) {
-				drawSurface(origTicket->_owner, origTicket->getSurface(), &srcRect, &dstRect, false, false);
+				drawSurface(origTicket->_owner, origTicket->getSurface(), &srcRect, &dstRect, temp); 
 				dstRect.translate(offsetX, 0);
 			}
 			dstRect.left = initLeft;
@@ -535,7 +523,7 @@ void BaseRenderOSystem::drawTickets() {
 			// convert from screen-coords to surface-coords.
 			dstClip.translate(-offsetX, -offsetY);
 
-			_colorMod = ticket->_colorMod;
+			_colorMod = ticket->_transform._rgbaMod; 
 			drawFromSurface(ticket, &pos, &dstClip);
 			_needsFlip = true;
 		}
diff --git a/engines/wintermute/base/gfx/osystem/base_render_osystem.h b/engines/wintermute/base/gfx/osystem/base_render_osystem.h
index 3cb0fa82a3..5531961623 100644
--- a/engines/wintermute/base/gfx/osystem/base_render_osystem.h
+++ b/engines/wintermute/base/gfx/osystem/base_render_osystem.h
@@ -33,6 +33,7 @@
 #include "common/rect.h"
 #include "graphics/surface.h"
 #include "common/list.h"
+#include "engines/wintermute/graphics/transform_struct.h"
 
 namespace Wintermute {
 class BaseSurfaceOSystem;
@@ -56,8 +57,6 @@ public:
 
 	BaseImage *takeScreenshot() override;
 
-	void setAlphaMod(byte alpha);
-	void setColorMod(byte r, byte g, byte b);
 	void invalidateTicket(RenderTicket *renderTicket);
 	void invalidateTicketsFromSurface(BaseSurfaceOSystem *surf);
 	void drawFromTicket(RenderTicket *renderTicket);
@@ -80,7 +79,7 @@ public:
 	virtual bool startSpriteBatch() override;
 	virtual bool endSpriteBatch() override;
 	void endSaveLoad();
-	void drawSurface(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRect, bool mirrorX, bool mirrorY, bool disableAlpha = false) ;
+	void drawSurface(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRect, TransformStruct &transform); 
 	void repeatLastDraw(int offsetX, int offsetY, int numTimesX, int numTimesY);
 	BaseSurface *createSurface() override;
 private:
diff --git a/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp b/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp
index 87bb2fdb53..b809318133 100644
--- a/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp
+++ b/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp
@@ -52,6 +52,7 @@ BaseSurfaceOSystem::BaseSurfaceOSystem(BaseGame *inGame) : BaseSurface(inGame) {
 	_lockPixels = nullptr;
 	_lockPitch = 0;
 	_loaded = false;
+	_rotation = 0;
 }
 
 //////////////////////////////////////////////////////////////////////////
@@ -319,39 +320,56 @@ bool BaseSurfaceOSystem::endPixelOp() {
 
 //////////////////////////////////////////////////////////////////////////
 bool BaseSurfaceOSystem::display(int x, int y, Rect32 rect, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) {
-	return drawSprite(x, y, &rect, 100, 100, 0xFFFFFFFF, true, blendMode, mirrorX, mirrorY);
+	_rotation = 0;
+	return drawSprite(x, y, &rect, nullptr, TransformStruct(kDefaultZoomX, kDefaultZoomY,  mirrorX, mirrorY));
 }
 
 
 //////////////////////////////////////////////////////////////////////////
 bool BaseSurfaceOSystem::displayTrans(int x, int y, Rect32 rect, uint32 alpha, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) {
-	return drawSprite(x, y, &rect, 100, 100, alpha, false, blendMode, mirrorX, mirrorY);
+	_rotation = 0;
+	return drawSprite(x, y, &rect, nullptr, TransformStruct(kDefaultZoomX, kDefaultZoomY, blendMode, alpha, mirrorX, mirrorY)); 
 }
 
 //////////////////////////////////////////////////////////////////////////
 bool BaseSurfaceOSystem::displayTransOffset(int x, int y, Rect32 rect, uint32 alpha, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY, int offsetX, int offsetY) {
-	return drawSprite(x, y, &rect, 100, 100, alpha, false, blendMode, mirrorX, mirrorY, offsetX, offsetY);
+	_rotation = 0;
+	return drawSprite(x, y, &rect, nullptr,  TransformStruct(kDefaultZoomX, kDefaultZoomY, kDefaultAngle, kDefaultHotspotX, kDefaultHotspotY, blendMode, alpha, mirrorX, mirrorY, offsetX, offsetY));
 }
 
 //////////////////////////////////////////////////////////////////////////
-bool BaseSurfaceOSystem::displayTransZoom(int x, int y, Rect32 rect, float zoomX, float zoomY, uint32 alpha, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) {
-	return drawSprite(x, y, &rect, zoomX, zoomY, alpha, false, blendMode, mirrorX, mirrorY);
+bool BaseSurfaceOSystem::displayTransZoom(int x, int y, Rect32 rect, int32 zoomX, int32 zoomY, uint32 alpha, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) {
+	_rotation = 0;
+	return drawSprite(x, y, &rect, nullptr, TransformStruct(zoomX, zoomY, blendMode, alpha, mirrorX, mirrorY));
 }
 
 
 //////////////////////////////////////////////////////////////////////////
-bool BaseSurfaceOSystem::displayZoom(int x, int y, Rect32 rect, float zoomX, float zoomY, uint32 alpha, bool transparent, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) {
-	return drawSprite(x, y, &rect, zoomX, zoomY, alpha, !transparent, blendMode, mirrorX, mirrorY);
+bool BaseSurfaceOSystem::displayZoom(int x, int y, Rect32 rect, int32 zoomX, int32 zoomY, uint32 alpha, bool transparent, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) {
+	_rotation = 0;
+	TransformStruct transform;
+	if (transparent) {
+		transform = TransformStruct(zoomX, zoomY, kDefaultAngle, kDefaultHotspotX, kDefaultHotspotY, blendMode, alpha,  mirrorX, mirrorY);
+	} else {
+		transform = TransformStruct(zoomX, zoomY, mirrorX, mirrorY);
+	}
+	return drawSprite(x, y, &rect, nullptr, transform);
 }
 
 
 //////////////////////////////////////////////////////////////////////////
-bool BaseSurfaceOSystem::displayTransform(int x, int y, int hotX, int hotY, Rect32 rect, float zoomX, float zoomY, uint32 alpha, float rotate, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY) {
-	return drawSprite(x, y, &rect, zoomX, zoomY, alpha, false, blendMode, mirrorX, mirrorY);
+bool BaseSurfaceOSystem::displayTransform(int x, int y, Rect32 rect, Rect32 newRect, const TransformStruct &transform) {
+	_rotation = (uint32)transform._angle;
+	if (transform._angle < 0.0f) {
+		warning("Negative rotation: %d %d", transform._angle, _rotation);
+		_rotation = (uint32)(360.0f + transform._angle);
+		warning("Negative post rotation: %d %d", transform._angle, _rotation);
+	}
+	return drawSprite(x, y, &rect, &newRect, transform);
 }
 
 //////////////////////////////////////////////////////////////////////////
-bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, float zoomX, float zoomY, uint32 alpha, bool alphaDisable, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY, int offsetX, int offsetY) {
+bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, Rect32 *newRect, TransformStruct transform) {
 	BaseRenderOSystem *renderer = static_cast<BaseRenderOSystem *>(_gameRef->_renderer);
 
 	if (!_loaded) {
@@ -359,17 +377,9 @@ bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, float zoomX, flo
 	}
 
 	if (renderer->_forceAlphaColor != 0) {
-		alpha = renderer->_forceAlphaColor;
+		transform._rgbaMod = renderer->_forceAlphaColor;
 	}
 
-	byte r = RGBCOLGetR(alpha);
-	byte g = RGBCOLGetG(alpha);
-	byte b = RGBCOLGetB(alpha);
-	byte a = RGBCOLGetA(alpha);
-
-	renderer->setAlphaMod(a);
-	renderer->setColorMod(r, g, b);
-
 #if 0 // These are kept for reference if BlendMode is reimplemented at some point.
 	if (alphaDisable) {
 		SDL_SetTextureBlendMode(_texture, SDL_BLENDMODE_NONE);
@@ -386,8 +396,8 @@ bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, float zoomX, flo
 	srcRect.setHeight(rect->bottom - rect->top);
 
 	Common::Rect position;
-	position.left = x + offsetX;
-	position.top = y + offsetY;
+	position.left = x + transform._offset.x;
+	position.top = y + transform._offset.y;
 
 	// Crop off-by-ones:
 	if (position.left == -1) {
@@ -396,31 +406,34 @@ bool BaseSurfaceOSystem::drawSprite(int x, int y, Rect32 *rect, float zoomX, flo
 	if (position.top == -1) {
 		position.top = 0; // TODO: Something is wrong
 	}
-
-	position.setWidth((int16)((float)srcRect.width() * zoomX / 100.f));
-	position.setHeight((int16)((float)srcRect.height() * zoomX / 100.f));
-
+	if (newRect) {
+		position.top = y;
+		position.left = x;
+		position.right = x + newRect->width();
+		position.bottom = y + newRect->height();
+		position.setWidth(newRect->width());
+		position.setHeight(newRect->height());
+	} else {
+		position.setWidth((int16)((float)srcRect.width() * transform._zoom.x / kDefaultZoomX));
+		position.setHeight((int16)((float)srcRect.height() * transform._zoom.y / kDefaultZoomY));
+	}
 	renderer->modTargetRect(&position);
 
-	/*  position.left += offsetX;
-	    position.top += offsetY;*/
-
 	// TODO: This actually requires us to have the SAME source-offsets every time,
 	// But no checking is in place for that yet.
 
 	// TODO: Optimize by not doing alpha-blits if we lack or disable alpha
-	bool hasAlpha;
-	if (_hasAlpha && !alphaDisable) {
+
+	bool hasAlpha = false;
+
+	if (_hasAlpha && !transform._alphaDisable) {
 		hasAlpha = true;
-	} else {
-		hasAlpha = false;
-	}
-	if (alphaDisable) {
+	}      
+	
+	if (transform._alphaDisable) {
 		warning("BaseSurfaceOSystem::drawSprite - AlphaDisable ignored");
 	}
-
-	renderer->drawSurface(this, _surface, &srcRect, &position, mirrorX, mirrorY, !hasAlpha);
-
+	renderer->drawSurface(this, _surface, &srcRect, &position, transform); 
 	return STATUS_OK;
 }
 
diff --git a/engines/wintermute/base/gfx/osystem/base_surface_osystem.h b/engines/wintermute/base/gfx/osystem/base_surface_osystem.h
index 9091ec65b1..5290170db8 100644
--- a/engines/wintermute/base/gfx/osystem/base_surface_osystem.h
+++ b/engines/wintermute/base/gfx/osystem/base_surface_osystem.h
@@ -51,12 +51,12 @@ public:
 	bool endPixelOp() override;
 
 
-	bool displayTransZoom(int x, int y, Rect32 rect, float zoomX, float zoomY, uint32 alpha = 0xFFFFFFFF, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
-	bool displayTrans(int x, int y, Rect32 rect, uint32 alpha = 0xFFFFFFFF, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
-	bool displayTransOffset(int x, int y, Rect32 rect, uint32 alpha = 0xFFFFFFFF, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false, int offsetX = 0, int offsetY = 0) override;
+	bool displayTransZoom(int x, int y, Rect32 rect, int32 zoomX, int32 zoomY, uint32 alpha = kDefaultRgbaMod, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
+	bool displayTrans(int x, int y, Rect32 rect, uint32 alpha = kDefaultRgbaMod, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
+	bool displayTransOffset(int x, int y, Rect32 rect, uint32 alpha = kDefaultRgbaMod, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false, int offsetX = 0, int offsetY = 0) override;
 	bool display(int x, int y, Rect32 rect, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
-	bool displayZoom(int x, int y, Rect32 rect, float zoomX, float zoomY, uint32 alpha = 0xFFFFFFFF, bool transparent = false, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
-	bool displayTransform(int x, int y, int hotX, int hotY, Rect32 Rect, float zoomX, float zoomY, uint32 alpha, float rotate, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
+	bool displayZoom(int x, int y, Rect32 rect, int32 zoomX, int32 zoomY, uint32 alpha = kDefaultRgbaMod, bool transparent = false, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
+	bool displayTransform(int x, int y, Rect32 rect, Rect32 newRect, const TransformStruct &transform) override;
 	bool repeatLastDisplayOp(int offsetX, int offsetY, int numTimesX, int numTimesY) override;
 	virtual bool putSurface(const Graphics::Surface &surface, bool hasAlpha = false) override;
 	/*  static unsigned DLL_CALLCONV ReadProc(void *buffer, unsigned size, unsigned count, fi_handle handle);
@@ -85,10 +85,11 @@ private:
 	Graphics::Surface *_surface;
 	bool _loaded;
 	bool finishLoad();
-	bool drawSprite(int x, int y, Rect32 *rect, float zoomX, float zoomY, uint32 alpha, bool alphaDisable, TSpriteBlendMode blendMode, bool mirrorX, bool mirrorY, int offsetX = 0, int offsetY = 0);
+	bool drawSprite(int x, int y, Rect32 *rect, Rect32 *newRect, TransformStruct transformStruct);
 	void genAlphaMask(Graphics::Surface *surface);
 	uint32 getPixelAt(Graphics::Surface *surface, int x, int y);
 
+	uint32 _rotation;
 	bool _hasAlpha;
 	void *_lockPixels;
 	int _lockPitch;
diff --git a/engines/wintermute/base/gfx/osystem/render_ticket.cpp b/engines/wintermute/base/gfx/osystem/render_ticket.cpp
index 98c5be62a8..8d9d5325c4 100644
--- a/engines/wintermute/base/gfx/osystem/render_ticket.cpp
+++ b/engines/wintermute/base/gfx/osystem/render_ticket.cpp
@@ -26,22 +26,22 @@
  * Copyright (c) 2011 Jan Nedoma
  */
 
-#include "engines/wintermute/graphics/transparent_surface.h"
+
 #include "engines/wintermute/base/gfx/osystem/render_ticket.h"
+#include "engines/wintermute/graphics/transform_tools.h"
+#include "common/textconsole.h"
 
 namespace Wintermute {
 
-RenderTicket::RenderTicket(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRect, bool mirrorX, bool mirrorY, bool disableAlpha) : _owner(owner),
-_srcRect(*srcRect), _dstRect(*dstRect), _drawNum(0), _isValid(true), _wantsDraw(true), _hasAlpha(!disableAlpha) {
-	_colorMod = 0;
+RenderTicket::RenderTicket(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRect, TransformStruct transform) :
+	_owner(owner),
+	_srcRect(*srcRect),
+	_dstRect(*dstRect),
+	_drawNum(0),
+	_isValid(true),
+	_wantsDraw(true),
+	_transform(transform) {
 	_batchNum = 0;
-	_mirror = TransparentSurface::FLIP_NONE;
-	if (mirrorX) {
-		_mirror |= TransparentSurface::FLIP_V;
-	}
-	if (mirrorY) {
-		_mirror |= TransparentSurface::FLIP_H;
-	}
 	if (surf) {
 		_surface = new Graphics::Surface();
 		_surface->create((uint16)srcRect->width(), (uint16)srcRect->height(), surf->format);
@@ -51,7 +51,13 @@ _srcRect(*srcRect), _dstRect(*dstRect), _drawNum(0), _isValid(true), _wantsDraw(
 			memcpy(_surface->getBasePtr(0, i), surf->getBasePtr(srcRect->left, srcRect->top + i), srcRect->width() * _surface->format.bytesPerPixel);
 		}
 		// Then scale it if necessary
-		if (dstRect->width() != srcRect->width() || dstRect->height() != srcRect->height()) {
+		if (_transform._angle != kDefaultAngle) {
+			TransparentSurface src(*_surface, false);
+			Graphics::Surface *temp = src.rotoscale(transform);
+			_surface->free();
+			delete _surface;
+			_surface = temp;
+		} else if (dstRect->width() != srcRect->width() || dstRect->height() != srcRect->height()) { 
 			TransparentSurface src(*_surface, false);
 			Graphics::Surface *temp = src.scale(dstRect->width(), dstRect->height());
 			_surface->free();
@@ -60,6 +66,14 @@ _srcRect(*srcRect), _dstRect(*dstRect), _drawNum(0), _isValid(true), _wantsDraw(
 		}
 	} else {
 		_surface = nullptr;
+		
+		if (transform._angle != kDefaultAngle) { // Make sure comparison-tickets get the correct width
+			Rect32 newDstRect;
+			Point32 newHotspot;
+			newDstRect = TransformTools::newRect(_srcRect, transform, &newHotspot);
+			_dstRect.setWidth(newDstRect.right - newDstRect.left);
+			_dstRect.setHeight(newDstRect.bottom - newDstRect.top);
+		}
 	}
 }
 
@@ -70,32 +84,31 @@ RenderTicket::~RenderTicket() {
 	}
 }
 
-bool RenderTicket::operator==(RenderTicket &t) {
+bool RenderTicket::operator==(const RenderTicket &t) const {
 	if ((t._owner != _owner) ||
 		(t._batchNum != _batchNum) ||
-		(t._hasAlpha != _hasAlpha) ||
-		(t._mirror != _mirror) ||
-		(t._colorMod != _colorMod) ||
+		(t._transform != _transform)  || 
 		(t._dstRect != _dstRect) ||
-		(t._srcRect != _srcRect)) {
+		(t._srcRect != _srcRect) 
+	) {
 		return false;
 	}
 	return true;
 }
 
 // Replacement for SDL2's SDL_RenderCopy
-void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface) {
+void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface) const {
 	TransparentSurface src(*getSurface(), false);
 
 	Common::Rect clipRect;
 	clipRect.setWidth(getSurface()->w);
 	clipRect.setHeight(getSurface()->h);
 
-	src._enableAlphaBlit = _hasAlpha;
-	src.blit(*_targetSurface, _dstRect.left, _dstRect.top, _mirror, &clipRect, _colorMod, clipRect.width(), clipRect.height());
+	src._enableAlphaBlit = !_transform._alphaDisable;
+	src.blit(*_targetSurface, _dstRect.left, _dstRect.top, _transform._flip, &clipRect, _transform._rgbaMod, clipRect.width(), clipRect.height());
 }
 
-void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface, Common::Rect *dstRect, Common::Rect *clipRect) {
+void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface, Common::Rect *dstRect, Common::Rect *clipRect) const {
 	TransparentSurface src(*getSurface(), false);
 	bool doDelete = false;
 	if (!clipRect) {
@@ -105,8 +118,8 @@ void RenderTicket::drawToSurface(Graphics::Surface *_targetSurface, Common::Rect
 		clipRect->setHeight(getSurface()->h);
 	}
 
-	src._enableAlphaBlit = _hasAlpha;
-	src.blit(*_targetSurface, dstRect->left, dstRect->top, _mirror, clipRect, _colorMod, clipRect->width(), clipRect->height());
+	src._enableAlphaBlit = !_transform._alphaDisable; 
+	src.blit(*_targetSurface, dstRect->left, dstRect->top, _transform._flip, clipRect, _transform._rgbaMod, clipRect->width(), clipRect->height());
 	if (doDelete) {
 		delete clipRect;
 	}
diff --git a/engines/wintermute/base/gfx/osystem/render_ticket.h b/engines/wintermute/base/gfx/osystem/render_ticket.h
index 64df3590a1..ec1412b032 100644
--- a/engines/wintermute/base/gfx/osystem/render_ticket.h
+++ b/engines/wintermute/base/gfx/osystem/render_ticket.h
@@ -29,6 +29,7 @@
 #ifndef WINTERMUTE_RENDER_TICKET_H
 #define WINTERMUTE_RENDER_TICKET_H
 
+#include "engines/wintermute/graphics/transparent_surface.h"
 #include "graphics/surface.h"
 #include "common/rect.h"
 
@@ -37,14 +38,14 @@ namespace Wintermute {
 class BaseSurfaceOSystem;
 class RenderTicket {
 public:
-	RenderTicket(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRest, bool mirrorX = false, bool mirrorY = false, bool disableAlpha = false);
-	RenderTicket() : _isValid(true), _wantsDraw(false), _drawNum(0) {}
+	RenderTicket(BaseSurfaceOSystem *owner, const Graphics::Surface *surf, Common::Rect *srcRect, Common::Rect *dstRest, TransformStruct transform); 
+	RenderTicket() : _isValid(true), _wantsDraw(false), _drawNum(0), _transform(TransformStruct()) {}
 	~RenderTicket();
-	const Graphics::Surface *getSurface() { return _surface; }
+	const Graphics::Surface *getSurface() const { return _surface; }
 	// Non-dirty-rects:
-	void drawToSurface(Graphics::Surface *_targetSurface);
+	void drawToSurface(Graphics::Surface *_targetSurface) const;
 	// Dirty-rects:
-	void drawToSurface(Graphics::Surface *_targetSurface, Common::Rect *dstRect, Common::Rect *clipRect);
+	void drawToSurface(Graphics::Surface *_targetSurface, Common::Rect *dstRect, Common::Rect *clipRect) const;
 
 	Common::Rect _dstRect;
 	uint32 _batchNum;
@@ -52,16 +53,15 @@ public:
 	bool _isValid;
 	bool _wantsDraw;
 	uint32 _drawNum;
-	uint32 _colorMod;
 
+	TransformStruct _transform; 
+	
 	BaseSurfaceOSystem *_owner;
-	bool operator==(RenderTicket &a);
-	const Common::Rect *getSrcRect() { return &_srcRect; }
+	bool operator==(const RenderTicket &a) const;
+	const Common::Rect *getSrcRect() const { return &_srcRect; }
 private:
 	Graphics::Surface *_surface;
 	Common::Rect _srcRect;
-	bool _hasAlpha;
-	uint32 _mirror;
 };
 
 } // end of namespace Wintermute