void Scene::loadBackground(int xAmount, int yAmount) {
// Adjust the scene bounds by the passed scroll amounts
_sceneBounds.translate(xAmount, yAmount);
_sceneBounds.contain(_backgroundBounds);
_sceneBounds.left &= ~3;
_sceneBounds.right &= ~3;
_globals->_sceneOffset.x &= ~3;
if ((_sceneBounds.top != _oldSceneBounds.top) || (_sceneBounds.left != _oldSceneBounds.left)) {
if (_globals->_sceneManager._loadMode == 0) {
_globals->_paneRefreshFlag[0] = 2;
_globals->_paneRefreshFlag[1] = 2;
_globals->_sceneManager._loadMode = 2;
}
_oldSceneBounds = _sceneBounds;
}
_globals->_sceneOffset.x = (_sceneBounds.left / 160) * 160;
_globals->_sceneOffset.y = (_sceneBounds.top / 100) * 100;
if ((_backgroundBounds.width() / 160) == 3)
_globals->_sceneOffset.x = 0;
if ((_backgroundBounds.height() / 100) == 3)
_globals->_sceneOffset.y = 0;
if ((_globals->_sceneOffset.x != _globals->_prevSceneOffset.x) ||
(_globals->_sceneOffset.y != _globals->_prevSceneOffset.y)) {
// Change has happend, so refresh background
_globals->_prevSceneOffset = _globals->_sceneOffset;
refreshBackground(xAmount, yAmount);
}
}
void GameSwitcher::loadBackgroundImage() {
if (background_list.empty()) return;
if (background_filename != "") return;
// load the background image
size_t index = static_cast<size_t>(rand()) % background_list.size();
background_filename = background_list[index];
background_image = render_device->loadImage(background_filename);
refreshBackground();
}
void GameSwitcher::logic() {
// reset the mouse cursor
curs->logic();
// Check if a the game state is to be changed and change it if necessary, deleting the old state
GameState* newState = currentState->getRequestedGameState();
if (newState != NULL) {
if (currentState->reload_backgrounds || render_device->reloadGraphics())
loadBackgroundList();
delete currentState;
currentState = newState;
currentState->load_counter++;
// reload the fps meter position
loadFPS();
// if this game state does not provide music, use the title theme
if (!currentState->hasMusic)
if (!snd->isPlayingMusic())
loadMusic();
// if this game state shows a background image, load it here
if (currentState->has_background)
loadBackgroundImage();
else
freeBackground();
}
// resize background image when window is resized
if (inpt->window_resized && currentState->has_background) {
refreshBackground();
}
currentState->logic();
// Check if the GameState wants to quit the application
done = currentState->isExitRequested();
if (currentState->reload_music) {
loadMusic();
currentState->reload_music = false;
}
}
