added npc's gift

src/Game.cpp

@@ -305,6 +305,28 @@ namespace ZL
 
 		return closestObject;
 	}
+
+	Character* Game::raycastNpcs(const Eigen::Vector3f& rayOrigin, const Eigen::Vector3f& rayDir, float maxDistance) {
+		Character* closestNpc = nullptr;
+		float closestDist = maxDistance;
+
+		for (auto& npc : npcs) {
+			Eigen::Vector3f toNpc = npc->position - rayOrigin;
+			float distAlongRay = toNpc.dot(rayDir);
+			if (distAlongRay < 0.1f) continue;
+
+			Eigen::Vector3f closestPoint = rayOrigin + rayDir * distAlongRay;
+			float distToNpc = (closestPoint - npc->position).norm();
+
+			float radius = npc->modelScale * 50.0f;
+
+			if (distToNpc <= radius && distAlongRay < closestDist) {
+				closestDist = distAlongRay;
+				closestNpc = npc.get();
+			}
+		}
+		return closestNpc;
+	}
 	
 	void Game::drawUI()
 	{
@@ -585,24 +607,41 @@ namespace ZL
 						InteractiveObject* clickedObject = raycastInteractiveObjects(camPos, rayDir);
 						if (clickedObject && player && clickedObject->isActive) {
 							std::cout << "[CLICK] *** SUCCESS: Clicked on interactive object: " << clickedObject->name << " ***" << std::endl;
-							std::cout << "[CLICK] Object position: (" << clickedObject->position.x() << ", " 
+							std::cout << "[CLICK] Object position: (" << clickedObject->position.x() << ", "
 								<< clickedObject->position.y() << ", " << clickedObject->position.z() << ")" << std::endl;
-							std::cout << "[CLICK] Player position: (" << player->position.x() << ", " 
+							std::cout << "[CLICK] Player position: (" << player->position.x() << ", "
 								<< player->position.y() << ", " << player->position.z() << ")" << std::endl;
-							
+
 							targetInteractiveObject = clickedObject;
 							player->setTarget(clickedObject->position);
 							std::cout << "[CLICK] Player moving to object..." << std::endl;
 						}
-						else if (rayDir.y() < -0.001f && player) {
-							// Otherwise, unproject click to ground plane for Viola's walk target
-							float t = -camPos.y() / rayDir.y();
-							Eigen::Vector3f hit = camPos + rayDir * t;
-							std::cout << "[CLICK] Clicked on ground at: (" << hit.x() << ", " << hit.z() << ")" << std::endl;
-							player->setTarget(Eigen::Vector3f(hit.x(), 0.f, hit.z()));
-						}
 						else {
-							std::cout << "[CLICK] No valid target found" << std::endl;
+							// Check if we clicked on an NPC
+							Character* clickedNpc = raycastNpcs(camPos, rayDir);
+							if (clickedNpc && player) {
+								int npcIndex = -1;
+								for (size_t i = 0; i < npcs.size(); ++i) {
+									if (npcs[i].get() == clickedNpc) {
+										npcIndex = static_cast<int>(i);
+										break;
+									}
+								}
+								if (npcIndex != -1) {
+									std::cout << "[CLICK] *** SUCCESS: Clicked on NPC index: " << npcIndex << " ***" << std::endl;
+									scriptEngine.callNpcInteractCallback(npcIndex);
+								}
+							}
+							else if (rayDir.y() < -0.001f && player) {
+								// Otherwise, unproject click to ground plane for Viola's walk target
+								float t = -camPos.y() / rayDir.y();
+								Eigen::Vector3f hit = camPos + rayDir * t;
+								std::cout << "[CLICK] Clicked on ground at: (" << hit.x() << ", " << hit.z() << ")" << std::endl;
+								player->setTarget(Eigen::Vector3f(hit.x(), 0.f, hit.z()));
+							}
+							else {
+								std::cout << "[CLICK] No valid target found" << std::endl;
+							}
 						}
 						std::cout << "========================================\n" << std::endl;
 					} else {