From ad0be89459f318147f47e9c2bda29583a64592aa Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Mon, 18 Aug 2014 20:15:43 -0400
Subject: ACCESS: Simplified surface creation, added drawing for scaled flipped
 images

---
 engines/access/access.cpp   |  6 +++---
 engines/access/asurface.cpp | 24 +++++++++++++++++++++---
 engines/access/asurface.h   | 14 ++++++++++++--
 engines/access/screen.cpp   |  2 +-
 4 files changed, 37 insertions(+), 9 deletions(-)

(limited to 'engines/access')

diff --git a/engines/access/access.cpp b/engines/access/access.cpp
index 7d12ba5b35..ab58f8effc 100644
--- a/engines/access/access.cpp
+++ b/engines/access/access.cpp
@@ -153,8 +153,8 @@ void AccessEngine::initialize() {
 	_screen = new Screen(this);
 	_sound = new SoundManager(this, _mixer);
 
-	_buffer1.create(g_system->getWidth() + TILE_WIDTH, g_system->getHeight(), Graphics::PixelFormat::createFormatCLUT8());
-	_buffer2.create(g_system->getWidth(), g_system->getHeight(), Graphics::PixelFormat::createFormatCLUT8());
+	_buffer1.create(g_system->getWidth() + TILE_WIDTH, g_system->getHeight());
+	_buffer2.create(g_system->getWidth(), g_system->getHeight());
 }
 
 Common::Error AccessEngine::run() {
@@ -272,7 +272,7 @@ void AccessEngine::plotList1() {
 				bounds.setWidth(bounds.width() / _scale);
 
 				if (ie._flags & 2) {
-					_buffer2.sPlotB(frame, Common::Point(bounds.left, bounds.top));
+					_buffer2.sPlotB(frame, destBounds);
 				} else {
 					_buffer2.sPlotF(frame, destBounds);
 				}
diff --git a/engines/access/asurface.cpp b/engines/access/asurface.cpp
index 99292278f3..746e8d0f5a 100644
--- a/engines/access/asurface.cpp
+++ b/engines/access/asurface.cpp
@@ -59,7 +59,7 @@ SpriteResource::~SpriteResource() {
 SpriteFrame::SpriteFrame(AccessEngine *vm, Common::MemoryReadStream &stream, int frameSize) {
 	int xSize = stream.readUint16LE();
 	int ySize = stream.readUint16LE();
-	create(xSize, ySize, Graphics::PixelFormat::createFormatCLUT8());
+	create(xSize, ySize);
 	
 	// Empty surface
 	byte *data = (byte *)getPixels();
@@ -138,6 +138,10 @@ ASurface::~ASurface() {
 	_savedBlock.free();
 }
 
+void ASurface::create(uint16 width, uint16 height) {
+	Graphics::Surface::create(width, height, Graphics::PixelFormat::createFormatCLUT8());
+}
+
 void ASurface::clearBuffer() {
 	byte *pSrc = (byte *)getPixels();
 	Common::fill(pSrc, pSrc + w * h, 0);
@@ -301,8 +305,10 @@ void ASurface::copyTo(ASurface *dest, const Common::Rect &bounds) {
 	}
 }
 
-void ASurface::sPlotB(SpriteFrame *frame, const Common::Point &pt) {
-	frame->copyTo(this, pt);
+void ASurface::sPlotB(SpriteFrame *frame, const Common::Rect &bounds) {
+	ASurface flippedFrame;
+	frame->flipHorizontal(flippedFrame);
+	flippedFrame.copyTo(this, bounds);
 }
 
 void ASurface::sPlotF(SpriteFrame *frame, const Common::Rect &bounds) {
@@ -341,4 +347,16 @@ void ASurface::drawRect() {
 	Graphics::Surface::fillRect(Common::Rect(_orgX1, _orgY1, _orgX2, _orgY2), _lColor);
 }
 
+void ASurface::flipHorizontal(ASurface &dest) {
+	dest.create(this->w, this->h);
+	for (int y = 0; y < h; ++y) {
+		const byte *pSrc = (const byte *)getBasePtr(this->w - 1, y);
+		byte *pDest = (byte *)dest.getBasePtr(0, y);
+
+		for (int x = 0; x < w; ++x, --pSrc, ++pDest)
+			*pDest = *pSrc;
+	}
+}
+
+
 } // End of namespace Access
diff --git a/engines/access/asurface.h b/engines/access/asurface.h
index 400dd07b4d..460f73d2c0 100644
--- a/engines/access/asurface.h
+++ b/engines/access/asurface.h
@@ -39,6 +39,8 @@ class ASurface : public Graphics::Surface {
 private:
 	Graphics::Surface _savedBlock;
 	Common::Rect _savedBounds;
+
+	void flipHorizontal(ASurface &dest);
 public:
 	static int _leftSkip, _rightSkip;
 	static int _topSkip, _bottomSkip;
@@ -56,6 +58,8 @@ public:
 public:
 	virtual ~ASurface();
 
+	void create(uint16 width, uint16 height);
+
 	void clearBuffer();
 
 	void copyBuffer(Graphics::Surface *src) { copyFrom(*src); }
@@ -64,10 +68,16 @@ public:
 
 	void plotImage(SpriteResource *sprite, int frameNum, const Common::Point &pt);
 
-	void sPlotB(SpriteFrame *frame, const Common::Point &pt);
-
+	/**
+	 * Scaled draw frame
+	 */
 	void sPlotF(SpriteFrame *frame, const Common::Rect &bounds);
 
+	/**
+	 * Scaled flipped horizontal draw frame
+	 */
+	void sPlotB(SpriteFrame *frame, const Common::Rect &bounds);
+
 	void plotB(SpriteFrame *frame, const Common::Point &pt);
 
 	void copyBlock(ASurface *src, const Common::Rect &bounds);
diff --git a/engines/access/screen.cpp b/engines/access/screen.cpp
index 8e9b08234f..3092d7e152 100644
--- a/engines/access/screen.cpp
+++ b/engines/access/screen.cpp
@@ -35,7 +35,7 @@ namespace Access {
 #define VGA_COLOR_TRANS(x) ((x) * 255 / 63)
 
 Screen::Screen(AccessEngine *vm) : _vm(vm) {
-	create(320, 200, Graphics::PixelFormat::createFormatCLUT8());
+	create(320, 200);
 	Common::fill(&_tempPalette[0], &_tempPalette[PALETTE_SIZE], 0);
 	Common::fill(&_manPal[0], &_manPal[0x60], 0);
 	Common::fill(&_scaleTable1[0], &_scaleTable1[256], 0);
-- 
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