Working on path visualization

src/Location.h

@@ -8,6 +8,7 @@
 #include "items/InteractiveObject.h"
 #include "navigation/PathFinder.h"
 #include "render/ShadowMap.h"
+#include "render/PathVisualization.h"
 
 #include "ScriptEngine.h"
 #include "dialogue/DialogueSystem.h"
@@ -178,6 +179,10 @@ namespace FRG
 
 		void update(int64_t deltaMs);
 		void updateNpcCar(int64_t deltaMs);
+		// Purely visual feedback for click-triggered player routes. Disabling it
+		// also cancels an animation that is currently playing.
+		void setPathVisualizationEnabled(bool enabled);
+		bool isPathVisualizationEnabled() const { return pathVisualization.isEnabled(); }
 
 		void handleDown(int64_t fingerId, int eventX, int eventY, int mx, int my);
 		void handleUp(int64_t fingerId, int mx, int my);
@@ -228,6 +233,8 @@ namespace FRG
 		int  findNpcIndex(const Character* npc) const;
 		void fireBumpCallbacks(Character* mover, Character* standing);
 
+		PathVisualization pathVisualization;
+
 		std::unordered_map<Character*, Eigen::Vector3f> lastCharacterPositions;
 		std::unordered_map<Character*, int64_t> replanCooldownRemainingMs;
 		std::unordered_map<Character*, int> stuckFrameCounts;