GRIM: Reset the lights when setting a new scene. Fix #193

engines/grim/grim.cpp

@@ -1480,6 +1480,7 @@ void GrimEngine::setScene(Scene *scene) {
 	Scene *lastScene = _currScene;
 	_currScene = scene;
 	_currScene->setSoundParameters(20, 127);
+	_currScene->setLightsDirty();
 	// should delete the old scene after setting the new one
 	if (lastScene && !lastScene->_locked) {
 		removeScene(lastScene);

engines/grim/scene.cpp

@@ -571,6 +571,10 @@ ObjectState *Scene::findState(const char *filename) {
 	return NULL;
 }
 
+void Scene::setLightsDirty() {
+	_lightsConfigured = false;
+}
+
 void Scene::setLightIntensity(const char *light, float intensity) {
 	for (int i = 0; i < _numLights; ++i) {
 		Light &l = _lights[i];

engines/grim/scene.h

@@ -71,6 +71,7 @@ public:
 		_enableLights = state;
 		_lightsConfigured = false;
 	}
+	void setLightsDirty();
 	void setLightIntensity(const char *light, float intensity);
 	void setLightIntensity(int light, float intensity);
 	void setLightPosition(const char *light, const Graphics::Vector3d &pos);