diff options
Diffstat (limited to 'engines/saga/render.cpp')
| -rw-r--r-- | engines/saga/render.cpp | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/engines/saga/render.cpp b/engines/saga/render.cpp index 85448bc412..42c5120d80 100644 --- a/engines/saga/render.cpp +++ b/engines/saga/render.cpp @@ -92,6 +92,8 @@ void Render::drawScene() { // Get mouse coordinates mousePoint = _vm->mousePos(); + restoreChangedRects(); + if (!(_flags & (RF_DEMO_SUBST | RF_MAP) || curMode == kPanelPlacard)) { // Do not redraw the whole scene and the actors if the scene is fading out or // if an overlay is drawn above it (e.g. the options menu) @@ -100,8 +102,10 @@ void Render::drawScene() { curMode != kPanelLoad && curMode != kPanelSave && curMode != kPanelProtect)) { // Display scene background - if (!(_flags & RF_DISABLE_ACTORS) || _vm->getGameType() == GType_ITE) - _vm->_scene->draw(); + if (_fullRefresh) { + if (!(_flags & RF_DISABLE_ACTORS) || _vm->getGameType() == GType_ITE) + _vm->_scene->draw(); + } if (_vm->_puzzle->isActive()) { _vm->_puzzle->movePiece(mousePoint); @@ -202,6 +206,8 @@ void Render::drawScene() { drawDirtyRects(); _system->updateScreen(); + + _fullRefresh = false; } void Render::addDirtyRect(Common::Rect rect) { @@ -215,6 +221,16 @@ void Render::addDirtyRect(Common::Rect rect) { _dirtyRects.push_back(rect); } +void Render::restoreChangedRects() { + if (!_fullRefresh) { + Common::List<Common::Rect>::const_iterator it; + for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) { + g_system->copyRectToScreen((byte *)_backGroundSurface.pixels, _backGroundSurface.w, it->left, it->top, it->width(), it->height()); + } + } + _dirtyRects.clear(); +} + void Render::drawDirtyRects() { if (_fullRefresh) { _system->copyRectToScreen(_vm->_gfx->getBackBufferPixels(), _vm->_gfx->getBackBufferWidth(), 0, 0, @@ -222,11 +238,9 @@ void Render::drawDirtyRects() { } else { Common::List<Common::Rect>::const_iterator it; for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) { - g_system->copyRectToScreen(_vm->_gfx->getBackBufferPixels(), it->width(), it->left, it->top, it->width(), it->height()); + g_system->copyRectToScreen(_vm->_gfx->getBackBufferPixels(), _backGroundSurface.w, it->left, it->top, it->width(), it->height()); } } - - _dirtyRects.clear(); } #ifdef SAGA_DEBUG |