SHERLOCK: 3DO: Fixes to allow game to start

5 files changed, 55 insertions, 13 deletions

diff --git a/engines/sherlock/scalpel/3do/scalpel_3do_screen.cpp b/engines/sherlock/scalpel/3do/scalpel_3do_screen.cpp
index f8112d8add..163f10d091 100644
--- a/engines/sherlock/scalpel/3do/scalpel_3do_screen.cpp
+++ b/engines/sherlock/scalpel/3do/scalpel_3do_screen.cpp
@@ -31,6 +31,14 @@ namespace Scalpel {
 Scalpel3DOScreen::Scalpel3DOScreen(SherlockEngine *vm): ScalpelScreen(vm) {
 }
 
+void Scalpel3DOScreen::SHblitFrom(const Graphics::Surface &src) {
+	SHblitFrom(src, Common::Point(0, 0));
+}
+
+void Scalpel3DOScreen::SHblitFrom(const Graphics::Surface &src, const Common::Point &destPos) {
+	SHblitFrom(src, Common::Point(0, 0), Common::Rect(0, 0, src.w, src.h));
+}
+
 void Scalpel3DOScreen::SHblitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds) {
 	if (!_vm->_isScreenDoubled) {
 		ScalpelScreen::SHblitFrom(src, pt, srcBounds);
@@ -107,13 +115,26 @@ void Scalpel3DOScreen::transBlitFromUnscaled(const Graphics::Surface &src, const
 #endif
 }
 
-void Scalpel3DOScreen::fillRect(const Common::Rect &r, uint color) {
+void Scalpel3DOScreen::SHfillRect(const Common::Rect &r, uint color) {
 	if (_vm->_isScreenDoubled)
 		ScalpelScreen::fillRect(Common::Rect(r.left * 2, r.top * 2, r.right * 2, r.bottom * 2), color);
 	else
 		ScalpelScreen::fillRect(r, color);
 }
 
+void Scalpel3DOScreen::SHtransBlitFrom(const ImageFrame &src, const Common::Point &pt,
+		bool flipped, int overrideColor, int scaleVal) {
+	ScalpelScreen::SHtransBlitFrom(src, pt, flipped, overrideColor,
+		_vm->_isScreenDoubled ? scaleVal / 2 : scaleVal);
+}
+
+void Scalpel3DOScreen::SHtransBlitFrom(const Graphics::Surface &src, const Common::Point &pt,
+		bool flipped, int overrideColor, int scaleVal) {
+	ScalpelScreen::SHtransBlitFrom(src, pt, flipped, overrideColor,
+		_vm->_isScreenDoubled ? scaleVal / 2 : scaleVal);
+}
+
+
 void Scalpel3DOScreen::fadeIntoScreen3DO(int speed) {
 	Events &events = *_vm->_events;
 	uint16 *currentScreenBasePtr = (uint16 *)getPixels();
diff --git a/engines/sherlock/scalpel/3do/scalpel_3do_screen.h b/engines/sherlock/scalpel/3do/scalpel_3do_screen.h
index 71674803ba..dc27c10908 100644
--- a/engines/sherlock/scalpel/3do/scalpel_3do_screen.h
+++ b/engines/sherlock/scalpel/3do/scalpel_3do_screen.h
@@ -34,12 +34,6 @@ namespace Scalpel {
 class Scalpel3DOScreen : public ScalpelScreen {
 protected:
 	/**
-	 * Draws a sub-section of a surface at a given position within this surface
-	 * Overriden for the 3DO to automatically double the size of everything to the underlying 640x400 surface
-	 */
-	virtual void SHblitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds);
-
-	/**
 	 * Draws a surface at a given position within this surface with transparency
 	 */
 	virtual void transBlitFromUnscaled(const Graphics::Surface &src, const Common::Point &pt, bool flipped,
@@ -61,9 +55,36 @@ public:
 	void blitFrom3DOcolorLimit(uint16 color);
 
 	/**
+	 * Draws a surface on this surface
+	 */
+	virtual void SHblitFrom(const Graphics::Surface &src);
+
+	/**
+	 * Draws a surface at a given position within this surface
+	 */
+	virtual void SHblitFrom(const Graphics::Surface &src, const Common::Point &destPos);
+
+	/**
+	 * Draws a sub-section of a surface at a given position within this surface
+	 */
+	virtual void SHblitFrom(const Graphics::Surface &src, const Common::Point &destPos, const Common::Rect &srcBounds);
+
+	/**
+	 * Draws an image frame at a given position within this surface with transparency
+	 */
+	virtual void SHtransBlitFrom(const ImageFrame &src, const Common::Point &pt,
+		bool flipped = false, int overrideColor = 0, int scaleVal = SCALE_THRESHOLD);
+
+	/**
+	 * Draws an image frame at a given position within this surface with transparency
+	 */
+	virtual void SHtransBlitFrom(const Graphics::Surface &src, const Common::Point &pt,
+		bool flipped = false, int overrideColor = 0, int scaleVal = SCALE_THRESHOLD);
+
+	/**
 	 * Fill a given area of the surface with a given color
 	 */
-	virtual void fillRect(const Common::Rect &r, uint color);
+	virtual void SHfillRect(const Common::Rect &r, uint color);
 
 	virtual uint16 width() const;
 	virtual uint16 height() const;
diff --git a/engines/sherlock/scalpel/scalpel_screen.cpp b/engines/sherlock/scalpel/scalpel_screen.cpp
index 15e8436be6..1b564ec611 100644
--- a/engines/sherlock/scalpel/scalpel_screen.cpp
+++ b/engines/sherlock/scalpel/scalpel_screen.cpp
@@ -28,8 +28,8 @@ namespace Sherlock {
 namespace Scalpel {
 
 ScalpelScreen::ScalpelScreen(SherlockEngine *vm) : Screen(vm) {
-	_backBuffer1.create(320, 200);
-	_backBuffer2.create(320, 200);
+	_backBuffer1.create(320, 200, g_system->getScreenFormat());
+	_backBuffer2.create(320, 200, g_system->getScreenFormat());
 	activateBackBuffer1();
 }
 
diff --git a/engines/sherlock/screen.cpp b/engines/sherlock/screen.cpp
index 423be448fe..fdc6a02b47 100644
--- a/engines/sherlock/screen.cpp
+++ b/engines/sherlock/screen.cpp
@@ -57,7 +57,7 @@ Screen::Screen(SherlockEngine *vm) : BaseSurface(), _vm(vm),
 	_oldFadePercent = 0;
 	_flushScreen = false;
 
-	create(_backBuffer1.w, _backBuffer1.h);
+	create(g_system->getWidth(), g_system->getHeight(), g_system->getScreenFormat());
 	_backBuffer.create(_backBuffer1, _backBuffer1.getBounds());
 }
 
diff --git a/engines/sherlock/surface.h b/engines/sherlock/surface.h
index d55606ed82..7514c89122 100644
--- a/engines/sherlock/surface.h
+++ b/engines/sherlock/surface.h
@@ -75,13 +75,13 @@ public:
 	/**
 	 * Draws an image frame at a given position within this surface with transparency
 	 */
-	void SHtransBlitFrom(const ImageFrame &src, const Common::Point &pt,
+	virtual void SHtransBlitFrom(const ImageFrame &src, const Common::Point &pt,
 		bool flipped = false, int overrideColor = 0, int scaleVal = SCALE_THRESHOLD);
 
 	/**
 	 * Draws an image frame at a given position within this surface with transparency
 	 */
-	void SHtransBlitFrom(const Graphics::Surface &src, const Common::Point &pt,
+	virtual void SHtransBlitFrom(const Graphics::Surface &src, const Common::Point &pt,
 		bool flipped = false, int overrideColor = 0, int scaleVal = SCALE_THRESHOLD);
 
 	/**