GRAPHICS: Add interface for horizontal shake

4 files changed, 11 insertions, 9 deletions

diff --git a/backends/platform/psp/default_display_client.cpp b/backends/platform/psp/default_display_client.cpp
index 1f0cef2e6c..91183a2238 100644
--- a/backends/platform/psp/default_display_client.cpp
+++ b/backends/platform/psp/default_display_client.cpp
@@ -157,9 +157,10 @@ void Screen::init() {
 	_renderer.setFullScreen(true);
 }
 
-void Screen::setShakePos(int pos) {
-	_shakePos = pos;
-	_renderer.setOffsetOnScreen(0, pos);
+void Screen::setShakePos(int shakeXOffset, int shakeYOffset) {
+	_shakeXOffset = shakeXOffset;
+	_shakeYOffset = shakeYOffset;
+	_renderer.setOffsetOnScreen(0, shakeYOffset);
 	setDirty();
 }
 
diff --git a/backends/platform/psp/default_display_client.h b/backends/platform/psp/default_display_client.h
index f2972e0b49..ed7239720e 100644
--- a/backends/platform/psp/default_display_client.h
+++ b/backends/platform/psp/default_display_client.h
@@ -78,14 +78,14 @@ public:
  */
 class Screen : public DefaultDisplayClient {
 public:
-	Screen() : _shakePos(0) {
+	Screen() : _shakeXOffset(0), _shakeYOffset(0) {
 		memset(&_pixelFormat, 0, sizeof(_pixelFormat));
 		memset(&_frameBuffer, 0, sizeof(_frameBuffer));
 	}
 
 	void init();
 	bool allocate();
-	void setShakePos(int pos);
+	void setShakePos(int shakeXOffset, int shakeYOffset);
 	void setScummvmPixelFormat(const Graphics::PixelFormat *format);
 	const Graphics::PixelFormat &getScummvmPixelFormat() const { return _pixelFormat; }
 	Graphics::Surface *lockAndGetForEditing();
@@ -93,7 +93,8 @@ public:
 	void setSize(uint32 width, uint32 height);
 
 private:
-	uint32 _shakePos;
+	uint32 _shakeXOffset;
+	uint32 _shakeYOffset;
 	Graphics::PixelFormat _pixelFormat;
 	Graphics::Surface _frameBuffer;
 };
diff --git a/backends/platform/psp/osys_psp.cpp b/backends/platform/psp/osys_psp.cpp
index 006305c6fd..a65840669b 100644
--- a/backends/platform/psp/osys_psp.cpp
+++ b/backends/platform/psp/osys_psp.cpp
@@ -231,11 +231,11 @@ void OSystem_PSP::updateScreen() {
 	_pendingUpdate = !_displayManager.renderAll();	// if we didn't update, we have a pending update
 }
 
-void OSystem_PSP::setShakePos(int shakeOffset) {
+void OSystem_PSP::setShakePos(int shakeXOffset, int shakeYOffset) {
 	DEBUG_ENTER_FUNC();
 	_displayManager.waitUntilRenderFinished();
 	_pendingUpdate = false;
-	_screen.setShakePos(shakeOffset);
+	_screen.setShakePos(shakeXOffset, shakeYOffset);
 }
 
 void OSystem_PSP::showOverlay() {
diff --git a/backends/platform/psp/osys_psp.h b/backends/platform/psp/osys_psp.h
index 58354bfbce..ff9dd101d2 100644
--- a/backends/platform/psp/osys_psp.h
+++ b/backends/platform/psp/osys_psp.h
@@ -102,7 +102,7 @@ public:
 	Graphics::Surface *lockScreen();
 	void unlockScreen();
 	void updateScreen();
-	void setShakePos(int shakeOffset);
+	void setShakePos(int shakeXOffset, int shakeYOffset);
 
 	// Overlay related
 	void showOverlay();