added finding path with A* and json file to know where character can walk

src/Game.cpp

@@ -233,6 +233,8 @@ namespace ZL
 		npcs.push_back(std::move(npc02));
 
 		std::cout << "Load resurces step 12" << std::endl;
+
+		setupNavigation();
 		
 		loadingCompleted = true;
 
@@ -279,6 +281,40 @@ namespace ZL
 		}
 	}
 
+	void Game::setupNavigation()
+	{
+		std::vector<PathFinder::ObstacleMesh> obstacles;
+		obstacles.reserve(gameObjects.size() + interactiveObjects.size());
+
+		for (const auto& item : gameObjects) {
+			const LoadedGameObject& gameObj = item.second;
+			obstacles.push_back({ &gameObj.mesh.data, Eigen::Vector3f::Zero() });
+		}
+
+		for (const InteractiveObject& intObj : interactiveObjects) {
+			if (!intObj.isActive) {
+				continue;
+			}
+			obstacles.push_back({ &intObj.mesh.data, intObj.position });
+		}
+
+		navigation.build(obstacles, "resources/config2/navigation.json", CONST_ZIP_FILE);
+
+		auto planner = [this](const Eigen::Vector3f& start, const Eigen::Vector3f& end) {
+			return navigation.findPath(start, end);
+		};
+
+		if (player) {
+			player->setPathPlanner(planner);
+		}
+
+		for (auto& npc : npcs) {
+			if (npc) {
+				npc->setPathPlanner(planner);
+			}
+		}
+	}
+
 	InteractiveObject* Game::raycastInteractiveObjects(const Eigen::Vector3f& rayOrigin, const Eigen::Vector3f& rayDir) {
 		if (interactiveObjects.empty()) {
 			std::cout << "[RAYCAST] No interactive objects to check" << std::endl;
@@ -897,5 +933,10 @@ namespace ZL
 		return dialogueSystem.getFlag(flag);
 	}
 
+	bool Game::setNavigationAreaAvailable(const std::string& areaName, bool available)
+	{
+		return navigation.setAreaAvailable(areaName, available);
+	}
+
 
 }  // namespace ZL