Fixing lights and shadows

src/Location.h

@@ -28,6 +28,11 @@ namespace ZL
 		Eigen::Vector3f color;      // RGB, values > 1.0 increase intensity
 		bool autoLight = false;          // if true, only activates when nearest light to player
 		float autoLightDistance = -1.0f; // max distance for autoLight activation; <=0 means unlimited
+		// Rectangular limits — keep light confined to a room-sized AABB centred on the light
+		float limitX = 99999.f;          // shader fragment limit: half-width in world X
+		float limitY = 99999.f;          // shader fragment limit: half-width in world Z
+		float autoLightLimitX = -1.0f;   // activation rect half-width X; <0 = use legacy nearest-light logic
+		float autoLightLimitY = -1.0f;   // activation rect half-width Z
 	};
 
 	struct TriggerZone