thirdparty/scummvm
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OPENGL: Add shake effect.

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svn-id: r51344
This commit is contained in:
Alejandro Marzini 2010-07-27 03:16:10 +00:00
parent 126fe84d3d
commit 591b371f2b
2 changed files with 16 additions and 4 deletions
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17
backends/graphics/opengl/opengl-graphics.cpp
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@ -40,7 +40,7 @@ OpenGLGraphicsManager::OpenGLGraphicsManager()
#endif
_gameTexture(0), _overlayTexture(0), _cursorTexture(0),
_screenChangeCount(0), _screenNeedsRedraw(false),
_currentShakePos(0), _newShakePos(0),
_shakePos(0),
_overlayVisible(false), _overlayNeedsRedraw(false),
_transactionMode(kTransactionNone),
_cursorNeedsRedraw(false), _cursorPaletteDisabled(true),
@ -410,7 +410,7 @@ void OpenGLGraphicsManager::updateScreen() {
void OpenGLGraphicsManager::setShakePos(int shakeOffset) {
assert (_transactionMode == kTransactionNone);
_newShakePos = shakeOffset;
_shakePos = shakeOffset;
}
void OpenGLGraphicsManager::setFocusRectangle(const Common::Rect& rect) {
@ -866,9 +866,17 @@ void OpenGLGraphicsManager::internUpdateScreen() {
// Refresh texture if dirty
refreshGameScreen();
int scaleFactor = _videoMode.hardwareHeight / _videoMode.screenHeight;
glPushMatrix();
glTranslatef(0, _shakePos * scaleFactor, 0); CHECK_GL_ERROR();
// Draw the game screen
_gameTexture->drawTexture(0, 0, _videoMode.hardwareWidth, _videoMode.hardwareHeight);
glPopMatrix();
if (_overlayVisible) {
if (_overlayNeedsRedraw || !_overlayDirtyRect.isEmpty())
// Refresh texture if dirty
@ -883,6 +891,9 @@ void OpenGLGraphicsManager::internUpdateScreen() {
// Refresh texture if dirty
refreshCursor();
glPushMatrix();
glTranslatef(0, _overlayVisible ? 0 : _shakePos * scaleFactor, 0); CHECK_GL_ERROR();
// Draw the cursor
if (_overlayVisible)
_cursorTexture->drawTexture(_cursorState.x - _cursorState.rHotX,
@ -890,6 +901,8 @@ void OpenGLGraphicsManager::internUpdateScreen() {
else
_cursorTexture->drawTexture(_cursorState.x - _cursorState.vHotX,
_cursorState.y - _cursorState.vHotY, _cursorState.vW, _cursorState.vH);
glPopMatrix();
}
#ifdef USE_OSD