1 files changed, 1012 insertions, 321 deletions

diff --git a/engines/zvision/graphics/render_manager.cpp b/engines/zvision/graphics/render_manager.cpp
index aed30ea12c..ce0a02a1ad 100644
--- a/engines/zvision/graphics/render_manager.cpp
+++ b/engines/zvision/graphics/render_manager.cpp
@@ -1,30 +1,33 @@
 /* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
+*
+* ScummVM is the legal property of its developers, whose names
+* are too numerous to list here. Please refer to the COPYRIGHT
+* file distributed with this source distribution.
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+*/
 
 #include "common/scummsys.h"
 
+#include "zvision/zvision.h"
 #include "zvision/graphics/render_manager.h"
+#include "zvision/scripting/script_manager.h"
+#include "zvision/text/text.h"
 
-#include "zvision/utility/lzss_read_stream.h"
+#include "zvision/file/lzss_read_stream.h"
 
 #include "common/file.h"
 #include "common/system.h"
@@ -34,200 +37,153 @@
 
 #include "image/tga.h"
 
-
 namespace ZVision {
 
-RenderManager::RenderManager(OSystem *system, uint32 windowWidth, uint32 windowHeight, const Common::Rect workingWindow, const Graphics::PixelFormat pixelFormat)
-		: _system(system),
-		  _workingWidth(workingWindow.width()),
-		  _workingHeight(workingWindow.height()),
-		  _screenCenterX(_workingWidth / 2),
-		  _screenCenterY(_workingHeight / 2),
-		  _workingWindow(workingWindow),
-		  _pixelFormat(pixelFormat),
-		  _backgroundWidth(0),
-		  _backgroundHeight(0),
-		  _backgroundInverseVelocity(0),
-		  _backgroundOffset(0, 0),
-		  _accumulatedVelocityMilliseconds(0),
-		  _renderTable(_workingWidth, _workingHeight) {
-
-	_workingWindowBuffer.create(_workingWidth, _workingHeight, _pixelFormat);
-	_backBuffer.create(windowWidth, windowHeight, pixelFormat);
+RenderManager::RenderManager(ZVision *engine, uint32 windowWidth, uint32 windowHeight, const Common::Rect workingWindow, const Graphics::PixelFormat pixelFormat, bool doubleFPS)
+	: _engine(engine),
+	  _system(engine->_system),
+	  _screenCenterX(_workingWindow.width() / 2),
+	  _screenCenterY(_workingWindow.height() / 2),
+	  _workingWindow(workingWindow),
+	  _pixelFormat(pixelFormat),
+	  _backgroundWidth(0),
+	  _backgroundHeight(0),
+	  _backgroundOffset(0),
+	  _renderTable(_workingWindow.width(), _workingWindow.height()),
+	  _doubleFPS(doubleFPS),
+	  _subid(0) {
+
+	_backgroundSurface.create(_workingWindow.width(), _workingWindow.height(), _pixelFormat);
+	_effectSurface.create(_workingWindow.width(), _workingWindow.height(), _pixelFormat);
+	_warpedSceneSurface.create(_workingWindow.width(), _workingWindow.height(), _pixelFormat);
+	_menuSurface.create(windowWidth, workingWindow.top, _pixelFormat);
+
+	_menuArea = Common::Rect(0, 0, windowWidth, workingWindow.top);
+
+	initSubArea(windowWidth, windowHeight, workingWindow);
 }
 
 RenderManager::~RenderManager() {
-	_workingWindowBuffer.free();
-	_currentBackground.free();
-	_backBuffer.free();
-
-	for (AlphaEntryMap::iterator iter = _alphaDataEntries.begin(); iter != _alphaDataEntries.end(); ++iter) {
-		iter->_value.data->free();
-		delete iter->_value.data;
-	}
-}
-
-void RenderManager::update(uint deltaTimeInMillis) {
-	// An inverse velocity of 0 would be infinitely fast, so we'll let 0 mean no velocity.
-	if (_backgroundInverseVelocity != 0) {
-		_accumulatedVelocityMilliseconds += deltaTimeInMillis;
-
-		uint absVelocity = uint(abs(_backgroundInverseVelocity));
-
-		int numberOfSteps = 0;
-		while (_accumulatedVelocityMilliseconds >= absVelocity) {
-			_accumulatedVelocityMilliseconds -= absVelocity;
-			numberOfSteps++;
-		}
-
-		// Choose the direction of movement using the sign of the velocity
-		moveBackground(_backgroundInverseVelocity < 0 ? -numberOfSteps : numberOfSteps);
-	}
+	_currentBackgroundImage.free();
+	_backgroundSurface.free();
+	_effectSurface.free();
+	_warpedSceneSurface.free();
+	_menuSurface.free();
+	_subtitleSurface.free();
 }
 
-void RenderManager::renderBackbufferToScreen() {
-	if (!_workingWindowDirtyRect.isEmpty()) {
-		RenderTable::RenderState state = _renderTable.getRenderState();
-		if (state == RenderTable::PANORAMA || state == RenderTable::TILT) {
-			_renderTable.mutateImage((uint16 *)_workingWindowBuffer.getPixels(), (uint16 *)_backBuffer.getBasePtr(_workingWindow.left + _workingWindowDirtyRect.left, _workingWindow.top + _workingWindowDirtyRect.top), _backBuffer.w, _workingWindowDirtyRect);
-		} else {
-			_backBuffer.copyRectToSurface(_workingWindowBuffer.getBasePtr(_workingWindowDirtyRect.left, _workingWindowDirtyRect.top), _workingWindowBuffer.pitch, _workingWindow.left + _workingWindowDirtyRect.left, _workingWindow.top + _workingWindowDirtyRect.top, _workingWindowDirtyRect.width(), _workingWindowDirtyRect.height());
-		}
-
-		// Translate the working window dirty rect to screen coords
-		_workingWindowDirtyRect.translate(_workingWindow.left, _workingWindow.top);
-		// Then extend the backbuffer dirty rect to contain it
-		if (_backBufferDirtyRect.isEmpty()) {
-			_backBufferDirtyRect = _workingWindowDirtyRect;
-		} else {
-			_backBufferDirtyRect.extend(_workingWindowDirtyRect);
-		}
-
-		// Clear the dirty rect
-		_workingWindowDirtyRect = Common::Rect();
-	}
-
-	// TODO: Add menu rendering
+void RenderManager::renderSceneToScreen() {
+	Graphics::Surface *out = &_warpedSceneSurface;
+	Graphics::Surface *in = &_backgroundSurface;
+	Common::Rect outWndDirtyRect;
 
-	// Render alpha entries
-	processAlphaEntries();
+	// If we have graphical effects, we apply them using a temporary buffer
+	if (!_effects.empty()) {
+		bool copied = false;
+		Common::Rect windowRect(_workingWindow.width(), _workingWindow.height());
 
-	if (!_backBufferDirtyRect.isEmpty()) {
-		_system->copyRectToScreen(_backBuffer.getBasePtr(_backBufferDirtyRect.left, _backBufferDirtyRect.top), _backBuffer.pitch, _backBufferDirtyRect.left, _backBufferDirtyRect.top, _backBufferDirtyRect.width(), _backBufferDirtyRect.height());
-		_backBufferDirtyRect = Common::Rect();
-	}
-}
+		for (EffectsList::iterator it = _effects.begin(); it != _effects.end(); it++) {
+			Common::Rect rect = (*it)->getRegion();
+			Common::Rect screenSpaceLocation = rect;
 
-void RenderManager::processAlphaEntries() {
-	// TODO: Add dirty rectangling support. AKA only draw an entry if the _backbufferDirtyRect intersects/contains the entry Rect
-
-	for (AlphaEntryMap::iterator iter = _alphaDataEntries.begin(); iter != _alphaDataEntries.end(); ++iter) {
-		uint32 destOffset = 0;
-		uint32 sourceOffset = 0;
-		uint16 *backbufferPtr = (uint16 *)_backBuffer.getBasePtr(iter->_value.destX + _workingWindow.left, iter->_value.destY + _workingWindow.top);
-		uint16 *entryPtr = (uint16 *)iter->_value.data->getPixels();
+			if ((*it)->isPort()) {
+				screenSpaceLocation = transformBackgroundSpaceRectToScreenSpace(screenSpaceLocation);
+			}
 
-		for (int32 y = 0; y < iter->_value.height; ++y) {
-			for (int32 x = 0; x < iter->_value.width; ++x) {
-				uint16 color = entryPtr[sourceOffset + x];
-				if (color != iter->_value.alphaColor) {
-					backbufferPtr[destOffset + x] = color;
+			if (windowRect.intersects(screenSpaceLocation)) {
+				if (!copied) {
+					copied = true;
+					_effectSurface.copyFrom(_backgroundSurface);
+					in = &_effectSurface;
+				}
+				const Graphics::Surface *post;
+				if ((*it)->isPort())
+					post = (*it)->draw(_currentBackgroundImage.getSubArea(rect));
+				else
+					post = (*it)->draw(_effectSurface.getSubArea(rect));
+				Common::Rect empty;
+				blitSurfaceToSurface(*post, empty, _effectSurface, screenSpaceLocation.left, screenSpaceLocation.top);
+				screenSpaceLocation.clip(windowRect);
+				if (_backgroundSurfaceDirtyRect .isEmpty()) {
+					_backgroundSurfaceDirtyRect = screenSpaceLocation;
+				} else {
+					_backgroundSurfaceDirtyRect.extend(screenSpaceLocation);
 				}
 			}
-
-			destOffset += _backBuffer.w;
-			sourceOffset += iter->_value.width;
 		}
+	}
 
-		if (_backBufferDirtyRect.isEmpty()) {
-			_backBufferDirtyRect = Common::Rect(iter->_value.destX + _workingWindow.left, iter->_value.destY + _workingWindow.top, iter->_value.destX + _workingWindow.left + iter->_value.width, iter->_value.destY + _workingWindow.top + iter->_value.height);
-		} else {
-			_backBufferDirtyRect.extend(Common::Rect(iter->_value.destX + _workingWindow.left, iter->_value.destY + _workingWindow.top, iter->_value.destX + _workingWindow.left + iter->_value.width, iter->_value.destY + _workingWindow.top + iter->_value.height));
+	RenderTable::RenderState state = _renderTable.getRenderState();
+	if (state == RenderTable::PANORAMA || state == RenderTable::TILT) {
+		if (!_backgroundSurfaceDirtyRect.isEmpty()) {
+			_renderTable.mutateImage(&_warpedSceneSurface, in);
+			out = &_warpedSceneSurface;
+			outWndDirtyRect = Common::Rect(_workingWindow.width(), _workingWindow.height());
 		}
+	} else {
+		out = in;
+		outWndDirtyRect = _backgroundSurfaceDirtyRect;
 	}
-}
 
-void RenderManager::clearWorkingWindowTo555Color(uint16 color) {
-	uint32 workingWindowSize = _workingWidth * _workingHeight;
-	byte r, g, b;
-	Graphics::PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0).colorToRGB(color, r, g, b);
-	uint16 colorIn565 = _pixelFormat.RGBToColor(r, g, b);
-	uint16 *bufferPtr = (uint16 *)_workingWindowBuffer.getPixels();
-
-	for (uint32 i = 0; i < workingWindowSize; ++i) {
-		bufferPtr[i] = colorIn565;
+	if (!outWndDirtyRect.isEmpty()) {
+		Common::Rect rect(
+			outWndDirtyRect.left + _workingWindow.left,
+			outWndDirtyRect.top + _workingWindow.top,
+			outWndDirtyRect.left + _workingWindow.left + outWndDirtyRect.width(),
+			outWndDirtyRect.top + _workingWindow.top + outWndDirtyRect.height()
+		);
+		copyToScreen(*out, rect, outWndDirtyRect.left, outWndDirtyRect.top);
 	}
 }
 
-void RenderManager::renderSubRectToScreen(Graphics::Surface &surface, int16 destinationX, int16 destinationY, bool wrap) {
-	int16 subRectX = 0;
-	int16 subRectY = 0;
-
-	// Take care of negative destinations
-	if (destinationX < 0) {
-		subRectX = -destinationX;
-		destinationX = 0;
-	} else if (destinationX >= surface.w) {
-		// Take care of extreme positive destinations
-		destinationX -= surface.w;
-	}
-
-	// Take care of negative destinations
-	if (destinationY < 0) {
-		subRectY = -destinationY;
-		destinationY = 0;
-	} else if (destinationY >= surface.h) {
-		// Take care of extreme positive destinations
-		destinationY -= surface.h;
-	}
-
-	if (wrap) {
-		_backgroundWidth = surface.w;
-		_backgroundHeight = surface.h;
-
-		if (destinationX > 0) {
-			// Move destinationX to 0
-			subRectX = surface.w - destinationX;
-			destinationX = 0;
-		}
-
-		if (destinationY > 0) {
-			// Move destinationY to 0
-			subRectY = surface.h - destinationY;
-			destinationY = 0;
-		}
-	}
+void RenderManager::copyToScreen(const Graphics::Surface &surface, Common::Rect &rect, int16 srcLeft, int16 srcTop) {
+	// Convert the surface to RGB565, if needed
+	Graphics::Surface *outSurface = surface.convertTo(_engine->_screenPixelFormat);
+	_system->copyRectToScreen(outSurface->getBasePtr(srcLeft, srcTop),
+		                        outSurface->pitch,
+		                        rect.left,
+		                        rect.top,
+		                        rect.width(),
+		                        rect.height());
+	outSurface->free();
+	delete outSurface;
+}
 
-	// Clip subRect to working window bounds
-	Common::Rect subRect(subRectX, subRectY, subRectX + _workingWidth, subRectY + _workingHeight);
+void RenderManager::renderImageToBackground(const Common::String &fileName, int16 destX, int16 destY) {
+	Graphics::Surface surface;
+	readImageToSurface(fileName, surface);
 
-	if (!wrap) {
-		// Clip to image bounds
-		subRect.clip(surface.w, surface.h);
-	}
+	blitSurfaceToBkg(surface, destX, destY);
+	surface.free();
+}
 
-	// Check destRect for validity
-	if (!subRect.isValidRect() || subRect.isEmpty())
-		return;
+void RenderManager::renderImageToBackground(const Common::String &fileName, int16 destX, int16 destY, uint32 keycolor) {
+	Graphics::Surface surface;
+	readImageToSurface(fileName, surface);
 
-	copyRectToWorkingWindow((const uint16 *)surface.getBasePtr(subRect.left, subRect.top), destinationX, destinationY, surface.w, subRect.width(), subRect.height());
+	blitSurfaceToBkg(surface, destX, destY, keycolor);
+	surface.free();
 }
 
-void RenderManager::renderImageToScreen(const Common::String &fileName, int16 destinationX, int16 destinationY, bool wrap) {
+void RenderManager::renderImageToBackground(const Common::String &fileName, int16 destX, int16 destY, int16  keyX, int16 keyY) {
 	Graphics::Surface surface;
 	readImageToSurface(fileName, surface);
 
-	renderSubRectToScreen(surface, destinationX, destinationY, wrap);
-}
+	uint16 keycolor = *(uint16 *)surface.getBasePtr(keyX, keyY);
 
-void RenderManager::renderImageToScreen(Graphics::Surface &surface, int16 destinationX, int16 destinationY, bool wrap) {
-	renderSubRectToScreen(surface, destinationX, destinationY, wrap);
+	blitSurfaceToBkg(surface, destX, destY, keycolor);
+	surface.free();
 }
 
 void RenderManager::readImageToSurface(const Common::String &fileName, Graphics::Surface &destination) {
+	bool isTransposed = _renderTable.getRenderState() == RenderTable::PANORAMA;
+	readImageToSurface(fileName, destination, isTransposed);
+}
+
+void RenderManager::readImageToSurface(const Common::String &fileName, Graphics::Surface &destination, bool transposed) {
 	Common::File file;
 
-	if (!file.open(fileName)) {
+	if (!_engine->getSearchManager()->openFile(file, fileName)) {
 		warning("Could not open file %s", fileName.c_str());
 		return;
 	}
@@ -240,10 +196,8 @@ void RenderManager::readImageToSurface(const Common::String &fileName, Graphics:
 	uint32 imageHeight;
 	Image::TGADecoder tga;
 	uint16 *buffer;
-	bool isTransposed = _renderTable.getRenderState() == RenderTable::PANORAMA;
 	// All ZVision images are in RGB 555
-	Graphics::PixelFormat pixelFormat555 = Graphics::PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0);
-	destination.format = pixelFormat555;
+	destination.format = _engine->_resourcePixelFormat;
 
 	bool isTGZ;
 
@@ -252,13 +206,17 @@ void RenderManager::readImageToSurface(const Common::String &fileName, Graphics:
 		isTGZ = true;
 
 		// TGZ files have a header and then Bitmap data that is compressed with LZSS
-		uint32 decompressedSize = file.readSint32LE();
+		uint32 decompressedSize = file.readSint32LE() / 2;
 		imageWidth = file.readSint32LE();
 		imageHeight = file.readSint32LE();
 
 		LzssReadStream lzssStream(&file);
 		buffer = (uint16 *)(new uint16[decompressedSize]);
-		lzssStream.read(buffer, decompressedSize);
+		lzssStream.read(buffer, 2 * decompressedSize);
+#ifndef SCUMM_LITTLE_ENDIAN
+		for (uint32 i = 0; i < decompressedSize; ++i)
+			buffer[i] = FROM_LE_16(buffer[i]);
+#endif
 	} else {
 		isTGZ = false;
 
@@ -279,7 +237,7 @@ void RenderManager::readImageToSurface(const Common::String &fileName, Graphics:
 	}
 
 	// Flip the width and height if transposed
-	if (isTransposed) {
+	if (transposed) {
 		uint16 temp = imageHeight;
 		imageHeight = imageWidth;
 		imageWidth = temp;
@@ -288,12 +246,12 @@ void RenderManager::readImageToSurface(const Common::String &fileName, Graphics:
 	// If the destination internal buffer is the same size as what we're copying into it,
 	// there is no need to free() and re-create
 	if (imageWidth != destination.w || imageHeight != destination.h) {
-		destination.create(imageWidth, imageHeight, pixelFormat555);
+		destination.create(imageWidth, imageHeight, _engine->_resourcePixelFormat);
 	}
 
 	// If transposed, 'un-transpose' the data while copying it to the destination
 	// Otherwise, just do a simple copy
-	if (isTransposed) {
+	if (transposed) {
 		uint16 *dest = (uint16 *)destination.getPixels();
 
 		for (uint32 y = 0; y < imageHeight; ++y) {
@@ -304,7 +262,7 @@ void RenderManager::readImageToSurface(const Common::String &fileName, Graphics:
 			}
 		}
 	} else {
-		memcpy(destination.getPixels(), buffer, imageWidth * imageHeight * _pixelFormat.bytesPerPixel);
+		memcpy(destination.getPixels(), buffer, imageWidth * imageHeight * destination.format.bytesPerPixel);
 	}
 
 	// Cleanup
@@ -313,214 +271,947 @@ void RenderManager::readImageToSurface(const Common::String &fileName, Graphics:
 	} else {
 		tga.destroy();
 	}
-
-	// Convert in place to RGB 565 from RGB 555
-	destination.convertToInPlace(_pixelFormat);
 }
 
-void RenderManager::copyRectToWorkingWindow(const uint16 *buffer, int32 destX, int32 destY, int32 imageWidth, int32 width, int32 height) {
-	uint32 destOffset = 0;
-	uint32 sourceOffset = 0;
-	uint16 *workingWindowBufferPtr = (uint16 *)_workingWindowBuffer.getBasePtr(destX, destY);
+const Common::Point RenderManager::screenSpaceToImageSpace(const Common::Point &point) {
+	if (_workingWindow.contains(point)) {
+		// Convert from screen space to working window space
+		Common::Point newPoint(point - Common::Point(_workingWindow.left, _workingWindow.top));
+
+		RenderTable::RenderState state = _renderTable.getRenderState();
+		if (state == RenderTable::PANORAMA || state == RenderTable::TILT) {
+			newPoint = _renderTable.convertWarpedCoordToFlatCoord(newPoint);
+		}
 
-	for (int32 y = 0; y < height; ++y) {
-		for (int32 x = 0; x < width; ++x) {
-			workingWindowBufferPtr[destOffset + x] = buffer[sourceOffset + x];
+		if (state == RenderTable::PANORAMA) {
+			newPoint += (Common::Point(_backgroundOffset - _screenCenterX, 0));
+		} else if (state == RenderTable::TILT) {
+			newPoint += (Common::Point(0, _backgroundOffset - _screenCenterY));
 		}
 
-		destOffset += _workingWidth;
-		sourceOffset += imageWidth;
+		if (_backgroundWidth)
+			newPoint.x %= _backgroundWidth;
+		if (_backgroundHeight)
+			newPoint.y %= _backgroundHeight;
+
+		if (newPoint.x < 0)
+			newPoint.x += _backgroundWidth;
+		if (newPoint.y < 0)
+			newPoint.y += _backgroundHeight;
+
+		return newPoint;
+	} else {
+		return Common::Point(0, 0);
 	}
+}
+
+RenderTable *RenderManager::getRenderTable() {
+	return &_renderTable;
+}
+
+void RenderManager::setBackgroundImage(const Common::String &fileName) {
+	readImageToSurface(fileName, _currentBackgroundImage);
+	_backgroundWidth = _currentBackgroundImage.w;
+	_backgroundHeight = _currentBackgroundImage.h;
+	_backgroundDirtyRect = Common::Rect(_backgroundWidth, _backgroundHeight);
+}
+
+void RenderManager::setBackgroundPosition(int offset) {
+	RenderTable::RenderState state = _renderTable.getRenderState();
+	if (state == RenderTable::TILT || state == RenderTable::PANORAMA)
+		if (_backgroundOffset != offset)
+			_backgroundDirtyRect = Common::Rect(_backgroundWidth, _backgroundHeight);
+	_backgroundOffset = offset;
 
-	if (_workingWindowDirtyRect.isEmpty()) {
-		_workingWindowDirtyRect = Common::Rect(destX, destY, destX + width, destY + height);
+	_engine->getScriptManager()->setStateValue(StateKey_ViewPos, offset);
+}
+
+uint32 RenderManager::getCurrentBackgroundOffset() {
+	RenderTable::RenderState state = _renderTable.getRenderState();
+
+	if (state == RenderTable::PANORAMA) {
+		return _backgroundOffset;
+	} else if (state == RenderTable::TILT) {
+		return _backgroundOffset;
 	} else {
-		_workingWindowDirtyRect.extend(Common::Rect(destX, destY, destX + width, destY + height));
+		return 0;
+	}
+}
+
+Graphics::Surface *RenderManager::tranposeSurface(const Graphics::Surface *surface) {
+	Graphics::Surface *tranposedSurface = new Graphics::Surface();
+	tranposedSurface->create(surface->h, surface->w, surface->format);
+
+	const uint16 *source = (const uint16 *)surface->getPixels();
+	uint16 *dest = (uint16 *)tranposedSurface->getPixels();
+
+	for (uint32 y = 0; y < tranposedSurface->h; ++y) {
+		uint32 columnIndex = y * tranposedSurface->w;
+
+		for (uint32 x = 0; x < tranposedSurface->w; ++x) {
+			dest[columnIndex + x] = source[x * surface->w + y];
+		}
 	}
 
-	// TODO: Remove this from release. It's here to make sure code that uses this function clips their destinations correctly
-	assert(_workingWindowDirtyRect.width() <= _workingWidth && _workingWindowDirtyRect.height() <= _workingHeight);
+	return tranposedSurface;
 }
 
-void RenderManager::copyRectToWorkingWindow(const uint16 *buffer, int32 destX, int32 destY, int32 imageWidth, int32 width, int32 height, int16 alphaColor, uint32 idNumber) {
-	AlphaDataEntry entry;
-	entry.alphaColor = alphaColor;
-	entry.data = new Graphics::Surface();
-	entry.data->create(width, height, _pixelFormat);
-	entry.destX = destX;
-	entry.destY = destY;
-	entry.width = width;
-	entry.height = height;
+void RenderManager::scaleBuffer(const void *src, void *dst, uint32 srcWidth, uint32 srcHeight, byte bytesPerPixel, uint32 dstWidth, uint32 dstHeight) {
+	assert(bytesPerPixel == 1 || bytesPerPixel == 2);
 
-	uint32 sourceOffset = 0;
-	uint32 destOffset = 0;
-	uint16 *surfacePtr = (uint16 *)entry.data->getPixels();
+	const float  xscale = (float)srcWidth / (float)dstWidth;
+	const float  yscale = (float)srcHeight / (float)dstHeight;
 
-	for (int32 y = 0; y < height; ++y) {
-		for (int32 x = 0; x < width; ++x) {
-			surfacePtr[destOffset + x] = buffer[sourceOffset + x];
+	if (bytesPerPixel == 1) {
+		const byte *srcPtr = (const byte *)src;
+		byte *dstPtr = (byte *)dst;
+		for (uint32 y = 0; y < dstHeight; ++y) {
+			for (uint32 x = 0; x < dstWidth; ++x) {
+				*dstPtr = srcPtr[(int)(x * xscale) + (int)(y * yscale) * srcWidth];
+				dstPtr++;
+			}
 		}
+	} else if (bytesPerPixel == 2) {
+		const uint16 *srcPtr = (const uint16 *)src;
+		uint16 *dstPtr = (uint16 *)dst;
+		for (uint32 y = 0; y < dstHeight; ++y) {
+			for (uint32 x = 0; x < dstWidth; ++x) {
+				*dstPtr = srcPtr[(int)(x * xscale) + (int)(y * yscale) * srcWidth];
+				dstPtr++;
+			}
+		}
+	}
+}
+
+void RenderManager::blitSurfaceToSurface(const Graphics::Surface &src, const Common::Rect &_srcRect , Graphics::Surface &dst, int _x, int _y) {
+	Common::Rect srcRect = _srcRect;
+	if (srcRect.isEmpty())
+		srcRect = Common::Rect(src.w, src.h);
+	srcRect.clip(src.w, src.h);
+	Common::Rect dstRect = Common::Rect(-_x + srcRect.left , -_y + srcRect.top, -_x + srcRect.left + dst.w, -_y + srcRect.top + dst.h);
+	srcRect.clip(dstRect);
+
+	if (srcRect.isEmpty() || !srcRect.isValidRect())
+		return;
+
+	Graphics::Surface *srcAdapted = src.convertTo(dst.format);
+
+	// Copy srcRect from src surface to dst surface
+	const byte *srcBuffer = (const byte *)srcAdapted->getBasePtr(srcRect.left, srcRect.top);
+
+	int xx = _x;
+	int yy = _y;
+
+	if (xx < 0)
+		xx = 0;
+	if (yy < 0)
+		yy = 0;
+
+	if (_x >= dst.w || _y >= dst.h) {
+		srcAdapted->free();
+		delete srcAdapted;
+		return;
+	}
+
+	byte *dstBuffer = (byte *)dst.getBasePtr(xx, yy);
 
-		destOffset += width;
-		sourceOffset += imageWidth;
+	int32 w = srcRect.width();
+	int32 h = srcRect.height();
+
+	for (int32 y = 0; y < h; y++) {
+		memcpy(dstBuffer, srcBuffer, w * srcAdapted->format.bytesPerPixel);
+		srcBuffer += srcAdapted->pitch;
+		dstBuffer += dst.pitch;
 	}
 
-	_alphaDataEntries[idNumber] = entry;
+	srcAdapted->free();
+	delete srcAdapted;
 }
 
-Common::Rect RenderManager::renderTextToWorkingWindow(uint32 idNumber, const Common::String &text, TruetypeFont *font, int destX, int destY, uint16 textColor, int maxWidth, int maxHeight, Graphics::TextAlign align, bool wrap) {
-	AlphaDataEntry entry;
-	entry.alphaColor = 0;
-	entry.destX = destX;
-	entry.destY = destY;
+void RenderManager::blitSurfaceToSurface(const Graphics::Surface &src, const Common::Rect &_srcRect , Graphics::Surface &dst, int _x, int _y, uint32 colorkey) {
+	Common::Rect srcRect = _srcRect;
+	if (srcRect.isEmpty())
+		srcRect = Common::Rect(src.w, src.h);
+	srcRect.clip(src.w, src.h);
+	Common::Rect dstRect = Common::Rect(-_x + srcRect.left , -_y + srcRect.top, -_x + srcRect.left + dst.w, -_y + srcRect.top + dst.h);
+	srcRect.clip(dstRect);
+
+	if (srcRect.isEmpty() || !srcRect.isValidRect())
+		return;
 
-	// Draw the text to the working window
-	entry.data = font->drawTextToSurface(text, textColor, maxWidth, maxHeight, align, wrap);
-	entry.width = entry.data->w;
-	entry.height = entry.data->h;
+	Graphics::Surface *srcAdapted = src.convertTo(dst.format);
+	uint32 keycolor = colorkey & ((1 << (src.format.bytesPerPixel << 3)) - 1);
 
-	_alphaDataEntries[idNumber] = entry;
+	// Copy srcRect from src surface to dst surface
+	const byte *srcBuffer = (const byte *)srcAdapted->getBasePtr(srcRect.left, srcRect.top);
 
-	return Common::Rect(destX, destY, destX + entry.width, destY + entry.height);
-}
+	int xx = _x;
+	int yy = _y;
 
-const Common::Point RenderManager::screenSpaceToImageSpace(const Common::Point &point) {
-	// Convert from screen space to working window space
-	Common::Point newPoint(point - Common::Point(_workingWindow.left, _workingWindow.top));
+	if (xx < 0)
+		xx = 0;
+	if (yy < 0)
+		yy = 0;
 
-	RenderTable::RenderState state = _renderTable.getRenderState();
-	if (state == RenderTable::PANORAMA || state == RenderTable::TILT) {
-		newPoint = _renderTable.convertWarpedCoordToFlatCoord(newPoint);
+	if (_x >= dst.w || _y >= dst.h) {
+		srcAdapted->free();
+		delete srcAdapted;
+		return;
 	}
 
-	if (state == RenderTable::PANORAMA) {
-		newPoint -= (Common::Point(_screenCenterX, 0) - _backgroundOffset);
-	} else if (state == RenderTable::TILT) {
-		newPoint -= (Common::Point(0, _screenCenterY) - _backgroundOffset);
+	byte *dstBuffer = (byte *)dst.getBasePtr(xx, yy);
+
+	int32 w = srcRect.width();
+	int32 h = srcRect.height();
+
+	for (int32 y = 0; y < h; y++) {
+		switch (srcAdapted->format.bytesPerPixel) {
+		case 1: {
+			const uint *srcTemp = (const uint *)srcBuffer;
+			uint *dstTemp = (uint *)dstBuffer;
+			for (int32 x = 0; x < w; x++) {
+				if (*srcTemp != keycolor)
+					*dstTemp = *srcTemp;
+				srcTemp++;
+				dstTemp++;
+			}
+		}
+		break;
+
+		case 2: {
+			const uint16 *srcTemp = (const uint16 *)srcBuffer;
+			uint16 *dstTemp = (uint16 *)dstBuffer;
+			for (int32 x = 0; x < w; x++) {
+				if (*srcTemp != keycolor)
+					*dstTemp = *srcTemp;
+				srcTemp++;
+				dstTemp++;
+			}
+		}
+		break;
+
+		case 4: {
+			const uint32 *srcTemp = (const uint32 *)srcBuffer;
+			uint32 *dstTemp = (uint32 *)dstBuffer;
+			for (int32 x = 0; x < w; x++) {
+				if (*srcTemp != keycolor)
+					*dstTemp = *srcTemp;
+				srcTemp++;
+				dstTemp++;
+			}
+		}
+		break;
+
+		default:
+			break;
+		}
+		srcBuffer += srcAdapted->pitch;
+		dstBuffer += dst.pitch;
 	}
 
-	if (newPoint.x < 0)
-		newPoint.x += _backgroundWidth;
-	else if (newPoint.x >= _backgroundWidth)
-		newPoint.x -= _backgroundWidth;
-	if (newPoint.y < 0)
-		newPoint.y += _backgroundHeight;
-	else if (newPoint.y >= _backgroundHeight)
-		newPoint.y -= _backgroundHeight;
+	srcAdapted->free();
+	delete srcAdapted;
+}
+
+void RenderManager::blitSurfaceToBkg(const Graphics::Surface &src, int x, int y, int32 colorkey) {
+	Common::Rect empt;
+	if (colorkey >= 0)
+		blitSurfaceToSurface(src, empt, _currentBackgroundImage, x, y, colorkey);
+	else
+		blitSurfaceToSurface(src, empt, _currentBackgroundImage, x, y);
+	Common::Rect dirty(src.w, src.h);
+	dirty.translate(x, y);
+	if (_backgroundDirtyRect.isEmpty())
+		_backgroundDirtyRect = dirty;
+	else
+		_backgroundDirtyRect.extend(dirty);
+}
+
+void RenderManager::blitSurfaceToBkgScaled(const Graphics::Surface &src, const Common::Rect &_dstRect, int32 colorkey) {
+	if (src.w == _dstRect.width() && src.h == _dstRect.height()) {
+		blitSurfaceToBkg(src, _dstRect.left, _dstRect.top, colorkey);
+	} else {
+		Graphics::Surface *tmp = new Graphics::Surface;
+		tmp->create(_dstRect.width(), _dstRect.height(), src.format);
+		scaleBuffer(src.getPixels(), tmp->getPixels(), src.w, src.h, src.format.bytesPerPixel, _dstRect.width(), _dstRect.height());
+		blitSurfaceToBkg(*tmp, _dstRect.left, _dstRect.top, colorkey);
+		tmp->free();
+		delete tmp;
+	}
+}
 
-	return newPoint;
+void RenderManager::blitSurfaceToMenu(const Graphics::Surface &src, int x, int y, int32 colorkey) {
+	Common::Rect empt;
+	if (colorkey >= 0)
+		blitSurfaceToSurface(src, empt, _menuSurface, x, y, colorkey);
+	else
+		blitSurfaceToSurface(src, empt, _menuSurface, x, y);
+	Common::Rect dirty(src.w, src.h);
+	dirty.translate(x, y);
+	if (_menuSurfaceDirtyRect.isEmpty())
+		_menuSurfaceDirtyRect = dirty;
+	else
+		_menuSurfaceDirtyRect.extend(dirty);
 }
 
-const Common::Point RenderManager::imageSpaceToWorkingWindowSpace(const Common::Point &point) {
-	Common::Point newPoint(point);
+Graphics::Surface *RenderManager::getBkgRect(Common::Rect &rect) {
+	Common::Rect dst = rect;
+	dst.clip(_backgroundWidth, _backgroundHeight);
+
+	if (dst.isEmpty() || !dst.isValidRect())
+		return NULL;
 
+	Graphics::Surface *srf = new Graphics::Surface;
+	srf->create(dst.width(), dst.height(), _currentBackgroundImage.format);
+
+	srf->copyRectToSurface(_currentBackgroundImage, 0, 0, Common::Rect(dst));
+
+	return srf;
+}
+
+Graphics::Surface *RenderManager::loadImage(Common::String file) {
+	Graphics::Surface *tmp = new Graphics::Surface;
+	readImageToSurface(file, *tmp);
+	return tmp;
+}
+
+Graphics::Surface *RenderManager::loadImage(Common::String file, bool transposed) {
+	Graphics::Surface *tmp = new Graphics::Surface;
+	readImageToSurface(file, *tmp, transposed);
+	return tmp;
+}
+
+void RenderManager::prepareBackground() {
+	_backgroundDirtyRect.clip(_backgroundWidth, _backgroundHeight);
 	RenderTable::RenderState state = _renderTable.getRenderState();
+
 	if (state == RenderTable::PANORAMA) {
-		newPoint += (Common::Point(_screenCenterX, 0) - _backgroundOffset);
+		// Calculate the visible portion of the background
+		Common::Rect viewPort(_workingWindow.width(), _workingWindow.height());
+		viewPort.translate(-(_screenCenterX - _backgroundOffset), 0);
+		Common::Rect drawRect = _backgroundDirtyRect;
+		drawRect.clip(viewPort);
+
+		// Render the visible portion
+		if (!drawRect.isEmpty()) {
+			blitSurfaceToSurface(_currentBackgroundImage, drawRect, _backgroundSurface, _screenCenterX - _backgroundOffset + drawRect.left, drawRect.top);
+		}
+
+		// Mark the dirty portion of the surface
+		_backgroundSurfaceDirtyRect = _backgroundDirtyRect;
+		_backgroundSurfaceDirtyRect.translate(_screenCenterX - _backgroundOffset, 0);
+
+		// Panorama mode allows the user to spin in circles. Therefore, we need to render
+		// the portion of the image that wrapped to the other side of the screen
+		if (_backgroundOffset < _screenCenterX) {
+			viewPort.moveTo(-(_screenCenterX - (_backgroundOffset + _backgroundWidth)), 0);
+			drawRect = _backgroundDirtyRect;
+			drawRect.clip(viewPort);
+
+			if (!drawRect.isEmpty())
+				blitSurfaceToSurface(_currentBackgroundImage, drawRect, _backgroundSurface, _screenCenterX - (_backgroundOffset + _backgroundWidth) + drawRect.left, drawRect.top);
+
+			Common::Rect tmp = _backgroundDirtyRect;
+			tmp.translate(_screenCenterX - (_backgroundOffset + _backgroundWidth), 0);
+			if (!tmp.isEmpty())
+				_backgroundSurfaceDirtyRect.extend(tmp);
+
+		} else if (_backgroundWidth - _backgroundOffset < _screenCenterX) {
+			viewPort.moveTo(-(_screenCenterX + _backgroundWidth - _backgroundOffset), 0);
+			drawRect = _backgroundDirtyRect;
+			drawRect.clip(viewPort);
+
+			if (!drawRect.isEmpty())
+				blitSurfaceToSurface(_currentBackgroundImage, drawRect, _backgroundSurface, _screenCenterX + _backgroundWidth - _backgroundOffset + drawRect.left, drawRect.top);
+
+			Common::Rect tmp = _backgroundDirtyRect;
+			tmp.translate(_screenCenterX + _backgroundWidth - _backgroundOffset, 0);
+			if (!tmp.isEmpty())
+				_backgroundSurfaceDirtyRect.extend(tmp);
+
+		}
 	} else if (state == RenderTable::TILT) {
-		newPoint += (Common::Point(0, _screenCenterY) - _backgroundOffset);
+		// Tilt doesn't allow wrapping, so we just do a simple clip
+		Common::Rect viewPort(_workingWindow.width(), _workingWindow.height());
+		viewPort.translate(0, -(_screenCenterY - _backgroundOffset));
+		Common::Rect drawRect = _backgroundDirtyRect;
+		drawRect.clip(viewPort);
+		if (!drawRect.isEmpty())
+			blitSurfaceToSurface(_currentBackgroundImage, drawRect, _backgroundSurface, drawRect.left, _screenCenterY - _backgroundOffset + drawRect.top);
+
+		// Mark the dirty portion of the surface
+		_backgroundSurfaceDirtyRect = _backgroundDirtyRect;
+		_backgroundSurfaceDirtyRect.translate(0, _screenCenterY - _backgroundOffset);
+
+	} else {
+		if (!_backgroundDirtyRect.isEmpty())
+			blitSurfaceToSurface(_currentBackgroundImage, _backgroundDirtyRect, _backgroundSurface, _backgroundDirtyRect.left, _backgroundDirtyRect.top);
+		_backgroundSurfaceDirtyRect = _backgroundDirtyRect;
 	}
 
-	return newPoint;
+	// Clear the dirty rect since everything is clean now
+	_backgroundDirtyRect = Common::Rect();
+
+	_backgroundSurfaceDirtyRect.clip(_workingWindow.width(), _workingWindow.height());
+}
+
+void RenderManager::clearMenuSurface() {
+	_menuSurfaceDirtyRect = Common::Rect(0, 0, _menuSurface.w, _menuSurface.h);
+	_menuSurface.fillRect(_menuSurfaceDirtyRect, 0);
 }
 
-bool RenderManager::clipRectToWorkingWindow(Common::Rect &rect) {
-	if (!_workingWindow.contains(rect)) {
-		return false;
+void RenderManager::clearMenuSurface(const Common::Rect &r) {
+	if (_menuSurfaceDirtyRect.isEmpty())
+		_menuSurfaceDirtyRect = r;
+	else
+		_menuSurfaceDirtyRect.extend(r);
+	_menuSurface.fillRect(r, 0);
+}
+
+void RenderManager::renderMenuToScreen() {
+	if (!_menuSurfaceDirtyRect.isEmpty()) {
+		_menuSurfaceDirtyRect.clip(Common::Rect(_menuSurface.w, _menuSurface.h));
+		if (!_menuSurfaceDirtyRect.isEmpty()) {
+			Common::Rect rect(
+				_menuSurfaceDirtyRect.left + _menuArea.left,
+				_menuSurfaceDirtyRect.top + _menuArea.top,
+				_menuSurfaceDirtyRect.left + _menuArea.left + _menuSurfaceDirtyRect.width(),
+				_menuSurfaceDirtyRect.top + _menuArea.top + _menuSurfaceDirtyRect.height()
+			);
+			copyToScreen(_menuSurface, rect, _menuSurfaceDirtyRect.left, _menuSurfaceDirtyRect.top);
+		}
+		_menuSurfaceDirtyRect = Common::Rect();
 	}
+}
 
-	// We can't clip against the actual working window rect because it's in screen space
-	// But rect is in working window space
-	rect.clip(_workingWidth, _workingHeight);
-	return true;
+void RenderManager::initSubArea(uint32 windowWidth, uint32 windowHeight, const Common::Rect workingWindow) {
+	_workingWindow = workingWindow;
+
+	_subtitleSurface.free();
+
+	_subtitleSurface.create(windowWidth, windowHeight - workingWindow.bottom, _pixelFormat);
+	_subtitleArea = Common::Rect(0, workingWindow.bottom, windowWidth, windowHeight);
 }
 
-RenderTable *RenderManager::getRenderTable() {
-	return &_renderTable;
+uint16 RenderManager::createSubArea(const Common::Rect &area) {
+	_subid++;
+
+	OneSubtitle sub;
+	sub.redraw = false;
+	sub.timer = -1;
+	sub.todelete = false;
+	sub.r = area;
+
+	_subsList[_subid] = sub;
+
+	return _subid;
 }
 
-void RenderManager::setBackgroundImage(const Common::String &fileName) {
-	readImageToSurface(fileName, _currentBackground);
+uint16 RenderManager::createSubArea() {
+	Common::Rect r(_subtitleArea.left, _subtitleArea.top, _subtitleArea.right, _subtitleArea.bottom);
+	r.translate(-_workingWindow.left, -_workingWindow.top);
+	return createSubArea(r);
+}
 
-	moveBackground(0);
+void RenderManager::deleteSubArea(uint16 id) {
+	if (_subsList.contains(id))
+		_subsList[id].todelete = true;
 }
 
-void RenderManager::setBackgroundPosition(int offset) {
-	RenderTable::RenderState state = _renderTable.getRenderState();
-	if (state == RenderTable::TILT) {
-		_backgroundOffset.x = 0;
-		_backgroundOffset.y = offset;
-	} else if (state == RenderTable::PANORAMA) {
-		_backgroundOffset.x = offset;
-		_backgroundOffset.y = 0;
-	} else {
-		_backgroundOffset.x = 0;
-		_backgroundOffset.y = 0;
+void RenderManager::deleteSubArea(uint16 id, int16 delay) {
+	if (_subsList.contains(id))
+		_subsList[id].timer = delay;
+}
+
+void RenderManager::updateSubArea(uint16 id, const Common::String &txt) {
+	if (_subsList.contains(id)) {
+		OneSubtitle *sub = &_subsList[id];
+		sub->txt = txt;
+		sub->redraw = true;
 	}
 }
 
-void RenderManager::setBackgroundVelocity(int velocity) {
-	// setBackgroundVelocity(0) will be called quite often, so make sure
-	// _backgroundInverseVelocity isn't already 0 to prevent an extraneous assignment
-	if (velocity == 0) {
-		if (_backgroundInverseVelocity != 0) {
-			_backgroundInverseVelocity = 0;
+void RenderManager::processSubs(uint16 deltatime) {
+	bool redraw = false;
+	for (SubtitleMap::iterator it = _subsList.begin(); it != _subsList.end(); it++) {
+		if (it->_value.timer != -1) {
+			it->_value.timer -= deltatime;
+			if (it->_value.timer <= 0)
+				it->_value.todelete = true;
+		}
+		if (it->_value.todelete) {
+			_subsList.erase(it);
+			redraw = true;
+		} else if (it->_value.redraw) {
+			redraw = true;
 		}
-	} else {
-		_backgroundInverseVelocity = 1000 / velocity;
 	}
-}
 
-void RenderManager::moveBackground(int offset) {
-	RenderTable::RenderState state = _renderTable.getRenderState();
-	if (state == RenderTable::TILT) {
-		_backgroundOffset += Common::Point(0, offset);
+	if (redraw) {
+		_subtitleSurface.fillRect(Common::Rect(_subtitleSurface.w, _subtitleSurface.h), 0);
+
+		for (SubtitleMap::iterator it = _subsList.begin(); it != _subsList.end(); it++) {
+			OneSubtitle *sub = &it->_value;
+			if (sub->txt.size()) {
+				Graphics::Surface subtitleSurface;
+				subtitleSurface.create(sub->r.width(), sub->r.height(), _engine->_resourcePixelFormat);
+				_engine->getTextRenderer()->drawTextWithWordWrapping(sub->txt, subtitleSurface);
+				Common::Rect empty;
+				blitSurfaceToSurface(subtitleSurface, empty, _subtitleSurface, sub->r.left - _subtitleArea.left + _workingWindow.left, sub->r.top - _subtitleArea.top + _workingWindow.top);
+				subtitleSurface.free();
+			}
+			sub->redraw = false;
+		}
 
-		_backgroundOffset.y = CLIP<int16>(_backgroundOffset.y, _screenCenterY, (int16)_backgroundHeight - _screenCenterY);
+		Common::Rect rect(
+			_subtitleArea.left,
+			_subtitleArea.top,
+			_subtitleArea.left + _subtitleSurface.w,
+			_subtitleArea.top + _subtitleSurface.h
+		);
+		copyToScreen(_subtitleSurface, rect, 0, 0);
+	}
+}
 
-		renderImageToScreen(_currentBackground, 0, _screenCenterY - _backgroundOffset.y, true);
-	} else if (state == RenderTable::PANORAMA) {
-		_backgroundOffset += Common::Point(offset, 0);
+Common::Point RenderManager::getBkgSize() {
+	return Common::Point(_backgroundWidth, _backgroundHeight);
+}
 
-		if (_backgroundOffset.x <= -_backgroundWidth)
-			_backgroundOffset.x += _backgroundWidth;
-		else if (_backgroundOffset.x >= _backgroundWidth)
-			_backgroundOffset.x -= _backgroundWidth;
+void RenderManager::addEffect(GraphicsEffect *_effect) {
+	_effects.push_back(_effect);
+}
 
-		renderImageToScreen(_currentBackground, _screenCenterX - _backgroundOffset.x, 0, true);
-	} else {
-		renderImageToScreen(_currentBackground, 0, 0);
+void RenderManager::deleteEffect(uint32 ID) {
+	for (EffectsList::iterator it = _effects.begin(); it != _effects.end(); it++) {
+		if ((*it)->getKey() == ID) {
+			delete *it;
+			it = _effects.erase(it);
+		}
 	}
 }
 
-uint32 RenderManager::getCurrentBackgroundOffset() {
+Common::Rect RenderManager::transformBackgroundSpaceRectToScreenSpace(const Common::Rect &src) {
+	Common::Rect tmp = src;
 	RenderTable::RenderState state = _renderTable.getRenderState();
 
 	if (state == RenderTable::PANORAMA) {
-		return _backgroundOffset.x;
+		if (_backgroundOffset < _screenCenterX) {
+			Common::Rect rScreen(_screenCenterX + _backgroundOffset, _workingWindow.height());
+			Common::Rect lScreen(_workingWindow.width() - rScreen.width(), _workingWindow.height());
+			lScreen.translate(_backgroundWidth - lScreen.width(), 0);
+			lScreen.clip(src);
+			rScreen.clip(src);
+			if (rScreen.width() < lScreen.width()) {
+				tmp.translate(_screenCenterX - _backgroundOffset - _backgroundWidth, 0);
+			} else {
+				tmp.translate(_screenCenterX - _backgroundOffset, 0);
+			}
+		} else if (_backgroundWidth - _backgroundOffset < _screenCenterX) {
+			Common::Rect rScreen(_screenCenterX - (_backgroundWidth - _backgroundOffset), _workingWindow.height());
+			Common::Rect lScreen(_workingWindow.width() - rScreen.width(), _workingWindow.height());
+			lScreen.translate(_backgroundWidth - lScreen.width(), 0);
+			lScreen.clip(src);
+			rScreen.clip(src);
+			if (lScreen.width() < rScreen.width()) {
+				tmp.translate(_screenCenterX + (_backgroundWidth - _backgroundOffset), 0);
+			} else {
+				tmp.translate(_screenCenterX - _backgroundOffset, 0);
+			}
+		} else {
+			tmp.translate(_screenCenterX - _backgroundOffset, 0);
+		}
 	} else if (state == RenderTable::TILT) {
-		return _backgroundOffset.y;
-	} else {
-		return 0;
+		tmp.translate(0, (_screenCenterY - _backgroundOffset));
 	}
+
+	return tmp;
 }
 
-Graphics::Surface *RenderManager::tranposeSurface(const Graphics::Surface *surface) {
-	Graphics::Surface *tranposedSurface = new Graphics::Surface();
-	tranposedSurface->create(surface->h, surface->w, surface->format);
+EffectMap *RenderManager::makeEffectMap(const Common::Point &xy, int16 depth, const Common::Rect &rect, int8 *_minComp, int8 *_maxComp) {
+	Common::Rect bkgRect(_backgroundWidth, _backgroundHeight);
+	if (!bkgRect.contains(xy))
+		return NULL;
+
+	if (!bkgRect.intersects(rect))
+		return NULL;
+
+	uint16 color = *(uint16 *)_currentBackgroundImage.getBasePtr(xy.x, xy.y);
+	uint8 stC1, stC2, stC3;
+	_currentBackgroundImage.format.colorToRGB(color, stC1, stC2, stC3);
+	EffectMap *newMap = new EffectMap;
+
+	EffectMapUnit unit;
+	unit.count = 0;
+	unit.inEffect = false;
+
+	int16 w = rect.width();
+	int16 h = rect.height();
+
+	bool first = true;
+
+	uint8 minComp = MIN(MIN(stC1, stC2), stC3);
+	uint8 maxComp = MAX(MAX(stC1, stC2), stC3);
+
+	uint8 depth8 = depth << 3;
+
+	for (int16 j = 0; j < h; j++) {
+		uint16 *pix = (uint16 *)_currentBackgroundImage.getBasePtr(rect.left, rect.top + j);
+		for (int16 i = 0; i < w; i++) {
+			uint16 curClr = pix[i];
+			uint8 cC1, cC2, cC3;
+			_currentBackgroundImage.format.colorToRGB(curClr, cC1, cC2, cC3);
+
+			bool use = false;
+
+			if (curClr == color)
+				use = true;
+			else if (curClr > color) {
+				if ((cC1 - stC1 < depth8) &&
+				        (cC2 - stC2 < depth8) &&
+				        (cC3 - stC3 < depth8))
+					use = true;
+			} else { /* if (curClr < color) */
+				if ((stC1 - cC1 < depth8) &&
+				        (stC2 - cC2 < depth8) &&
+				        (stC3 - cC3 < depth8))
+					use = true;
+			}
 
-	const uint16 *source = (const uint16 *)surface->getPixels();
-	uint16 *dest = (uint16 *)tranposedSurface->getPixels();
+			if (first) {
+				unit.inEffect = use;
+				first = false;
+			}
 
-	for (uint32 y = 0; y < tranposedSurface->h; ++y) {
-		uint32 columnIndex = y * tranposedSurface->w;
+			if (use) {
+				uint8 cMinComp = MIN(MIN(cC1, cC2), cC3);
+				uint8 cMaxComp = MAX(MAX(cC1, cC2), cC3);
+				if (cMinComp < minComp)
+					minComp = cMinComp;
+				if (cMaxComp > maxComp)
+					maxComp = cMaxComp;
+			}
 
-		for (uint32 x = 0; x < tranposedSurface->w; ++x) {
-			dest[columnIndex + x] = source[x * surface->w + y];
+			if (unit.inEffect == use)
+				unit.count++;
+			else {
+				newMap->push_back(unit);
+				unit.count = 1;
+				unit.inEffect = use;
+			}
 		}
 	}
+	newMap->push_back(unit);
 
-	return tranposedSurface;
+	if (_minComp) {
+		if (minComp - depth8 < 0)
+			*_minComp = -(minComp >> 3);
+		else
+			*_minComp = -depth;
+	}
+	if (_maxComp) {
+		if ((int16)maxComp + (int16)depth8 > 255)
+			*_maxComp = (255 - maxComp) >> 3;
+		else
+			*_maxComp = depth;
+	}
+
+	return newMap;
+}
+
+EffectMap *RenderManager::makeEffectMap(const Graphics::Surface &surf, uint16 transp) {
+	EffectMapUnit unit;
+	unit.count = 0;
+	unit.inEffect = false;
+
+	int16 w = surf.w;
+	int16 h = surf.h;
+
+	EffectMap *newMap = new EffectMap;
+
+	bool first = true;
+
+	for (int16 j = 0; j < h; j++) {
+		const uint16 *pix = (const uint16 *)surf.getBasePtr(0, j);
+		for (int16 i = 0; i < w; i++) {
+			bool use = false;
+			if (pix[i] != transp)
+				use = true;
+
+			if (first) {
+				unit.inEffect = use;
+				first = false;
+			}
+
+			if (unit.inEffect == use)
+				unit.count++;
+			else {
+				newMap->push_back(unit);
+				unit.count = 1;
+				unit.inEffect = use;
+			}
+		}
+	}
+	newMap->push_back(unit);
+
+	return newMap;
+}
+
+void RenderManager::markDirty() {
+	_backgroundDirtyRect = Common::Rect(_backgroundWidth, _backgroundHeight);
+}
+
+#if 0
+void RenderManager::bkgFill(uint8 r, uint8 g, uint8 b) {
+	_currentBackgroundImage.fillRect(Common::Rect(_currentBackgroundImage.w, _currentBackgroundImage.h), _currentBackgroundImage.format.RGBToColor(r, g, b));
+	markDirty();
+}
+#endif
+
+void RenderManager::timedMessage(const Common::String &str, uint16 milsecs) {
+	uint16 msgid = createSubArea();
+	updateSubArea(msgid, str);
+	deleteSubArea(msgid, milsecs);
+}
+
+bool RenderManager::askQuestion(const Common::String &str) {
+	Graphics::Surface textSurface;
+	textSurface.create(_subtitleArea.width(), _subtitleArea.height(), _engine->_resourcePixelFormat);
+	_engine->getTextRenderer()->drawTextWithWordWrapping(str, textSurface);
+	copyToScreen(textSurface, _subtitleArea, 0, 0);
+
+	_engine->stopClock();
+
+	int result = 0;
+
+	while (result == 0) {
+		Common::Event evnt;
+		while (_engine->getEventManager()->pollEvent(evnt)) {
+			if (evnt.type == Common::EVENT_KEYDOWN) {
+				// English: yes/no
+				// German: ja/nein
+				// Spanish: si/no
+				// French Nemesis: F4/any other key
+				// French ZGI: oui/non
+				switch (evnt.kbd.keycode) {
+				case Common::KEYCODE_y:
+					if (_engine->getLanguage() == Common::EN_ANY)
+						result = 2;
+					break;
+				case Common::KEYCODE_j:
+					if (_engine->getLanguage() == Common::DE_DEU)
+						result = 2;
+					break;
+				case Common::KEYCODE_s:
+					if (_engine->getLanguage() == Common::ES_ESP)
+						result = 2;
+					break;
+				case Common::KEYCODE_o:
+					if (_engine->getLanguage() == Common::FR_FRA && _engine->getGameId() == GID_GRANDINQUISITOR)
+						result = 2;
+					break;
+				case Common::KEYCODE_F4:
+					if (_engine->getLanguage() == Common::FR_FRA && _engine->getGameId() == GID_NEMESIS)
+						result = 2;
+					break;
+				case Common::KEYCODE_n:
+					result = 1;
+					break;
+				default:
+					if (_engine->getLanguage() == Common::FR_FRA && _engine->getGameId() == GID_NEMESIS)
+						result = 1;
+					break;
+				}
+			}
+		}
+		_system->updateScreen();
+		if (_doubleFPS)
+			_system->delayMillis(33);
+		else
+			_system->delayMillis(66);
+	}
+
+	// Draw over the text in order to clear it
+	textSurface.fillRect(Common::Rect(_subtitleArea.width(), _subtitleArea.height()), 0);
+	copyToScreen(textSurface, _subtitleArea, 0, 0);
+
+	// Free the surface
+	textSurface.free();
+
+	_engine->startClock();
+	return result == 2;
+}
+
+void RenderManager::delayedMessage(const Common::String &str, uint16 milsecs) {
+	uint16 msgid = createSubArea();
+	updateSubArea(msgid, str);
+	processSubs(0);
+	renderSceneToScreen();
+	_engine->stopClock();
+
+	uint32 stopTime = _system->getMillis() + milsecs;
+	while (_system->getMillis() < stopTime) {
+		Common::Event evnt;
+		while (_engine->getEventManager()->pollEvent(evnt)) {
+			if (evnt.type == Common::EVENT_KEYDOWN &&
+			        (evnt.kbd.keycode == Common::KEYCODE_SPACE ||
+			         evnt.kbd.keycode == Common::KEYCODE_RETURN ||
+			         evnt.kbd.keycode == Common::KEYCODE_ESCAPE))
+				break;
+		}
+		_system->updateScreen();
+		if (_doubleFPS)
+			_system->delayMillis(33);
+		else
+			_system->delayMillis(66);
+	}
+	deleteSubArea(msgid);
+	_engine->startClock();
+}
+
+void RenderManager::showDebugMsg(const Common::String &msg, int16 delay) {
+	uint16 msgid = createSubArea();
+	updateSubArea(msgid, msg);
+	deleteSubArea(msgid, delay);
+}
+
+void RenderManager::updateRotation() {
+	int16 _velocity = _engine->getMouseVelocity() + _engine->getKeyboardVelocity();
+	ScriptManager *scriptManager = _engine->getScriptManager();
+
+	if (_doubleFPS)
+		_velocity /= 2;
+
+	if (_velocity) {
+		RenderTable::RenderState renderState = _renderTable.getRenderState();
+		if (renderState == RenderTable::PANORAMA) {
+			int16 startPosition = scriptManager->getStateValue(StateKey_ViewPos);
+
+			int16 newPosition = startPosition + (_renderTable.getPanoramaReverse() ? -_velocity : _velocity);
+
+			int16 zeroPoint = _renderTable.getPanoramaZeroPoint();
+			if (startPosition >= zeroPoint && newPosition < zeroPoint)
+				scriptManager->setStateValue(StateKey_Rounds, scriptManager->getStateValue(StateKey_Rounds) - 1);
+			if (startPosition <= zeroPoint && newPosition > zeroPoint)
+				scriptManager->setStateValue(StateKey_Rounds, scriptManager->getStateValue(StateKey_Rounds) + 1);
+
+			int16 screenWidth = getBkgSize().x;
+			if (screenWidth)
+				newPosition %= screenWidth;
+
+			if (newPosition < 0)
+				newPosition += screenWidth;
+
+			setBackgroundPosition(newPosition);
+		} else if (renderState == RenderTable::TILT) {
+			int16 startPosition = scriptManager->getStateValue(StateKey_ViewPos);
+
+			int16 newPosition = startPosition + _velocity;
+
+			int16 screenHeight = getBkgSize().y;
+			int16 tiltGap = (int16)_renderTable.getTiltGap();
+
+			if (newPosition >= (screenHeight - tiltGap))
+				newPosition = screenHeight - tiltGap;
+			if (newPosition <= tiltGap)
+				newPosition = tiltGap;
+
+			setBackgroundPosition(newPosition);
+		}
+	}
+}
+
+void RenderManager::checkBorders() {
+	RenderTable::RenderState renderState = _renderTable.getRenderState();
+	if (renderState == RenderTable::PANORAMA) {
+		int16 startPosition = _engine->getScriptManager()->getStateValue(StateKey_ViewPos);
+
+		int16 newPosition = startPosition;
+
+		int16 screenWidth = getBkgSize().x;
+
+		if (screenWidth)
+			newPosition %= screenWidth;
+
+		if (newPosition < 0)
+			newPosition += screenWidth;
+
+		if (startPosition != newPosition)
+			setBackgroundPosition(newPosition);
+	} else if (renderState == RenderTable::TILT) {
+		int16 startPosition = _engine->getScriptManager()->getStateValue(StateKey_ViewPos);
+
+		int16 newPosition = startPosition;
+
+		int16 screenHeight = getBkgSize().y;
+		int16 tiltGap = (int16)_renderTable.getTiltGap();
+
+		if (newPosition >= (screenHeight - tiltGap))
+			newPosition = screenHeight - tiltGap;
+		if (newPosition <= tiltGap)
+			newPosition = tiltGap;
+
+		if (startPosition != newPosition)
+			setBackgroundPosition(newPosition);
+	}
+}
+
+void RenderManager::rotateTo(int16 _toPos, int16 _time) {
+	if (_renderTable.getRenderState() != RenderTable::PANORAMA)
+		return;
+
+	if (_time == 0)
+		_time = 1;
+
+	int32 maxX = getBkgSize().x;
+	int32 curX = getCurrentBackgroundOffset();
+	int32 dx = 0;
+
+	if (curX == _toPos)
+		return;
+
+	if (curX > _toPos) {
+		if (curX - _toPos > maxX / 2)
+			dx = (_toPos + (maxX - curX)) / _time;
+		else
+			dx = -(curX - _toPos) / _time;
+	} else {
+		if (_toPos - curX > maxX / 2)
+			dx = -((maxX - _toPos) + curX) / _time;
+		else
+			dx = (_toPos - curX) / _time;
+	}
+
+	_engine->stopClock();
+
+	for (int16 i = 0; i <= _time; i++) {
+		if (i == _time)
+			curX = _toPos;
+		else
+			curX += dx;
+
+		if (curX < 0)
+			curX = maxX - curX;
+		else if (curX >= maxX)
+			curX %= maxX;
+
+		setBackgroundPosition(curX);
+
+		prepareBackground();
+		renderSceneToScreen();
+
+		_system->updateScreen();
+
+		_system->delayMillis(500 / _time);
+	}
+
+	_engine->startClock();
+}
+
+void RenderManager::upscaleRect(Common::Rect &rect) {
+	rect.top = rect.top * HIRES_WINDOW_HEIGHT / WINDOW_HEIGHT;
+	rect.left = rect.left * HIRES_WINDOW_WIDTH / WINDOW_WIDTH;
+	rect.bottom = rect.bottom * HIRES_WINDOW_HEIGHT / WINDOW_HEIGHT;
+	rect.right = rect.right * HIRES_WINDOW_WIDTH / WINDOW_WIDTH;
 }
 
 } // End of namespace ZVision