ADD: Multiple Tree Types

CMakeLists.txt

@@ -71,6 +71,8 @@ add_executable(Dicewars_Siedler src/main.cpp
         src/engine/renderer/TerrainRenderer.h
         src/engine/renderer/shaders/TerrainShader.cpp
         src/engine/renderer/shaders/TerrainShader.h
+        src/engine/renderer/model/AssetManager.cpp
+        src/engine/renderer/model/AssetManager.h
 )
 
 target_include_directories(Dicewars_Siedler PRIVATE

src/engine/renderer/model/AssetManager.cpp

@@ -0,0 +1,25 @@
+//
+// Created by sebastian on 08.02.26.
+//
+
+#include "AssetManager.h"
+
+#include <cassert>
+
+#include "../loader/OBJLoader.h"
+
+
+std::shared_ptr<TexturedModel> AssetManager::loadModel(const std::string &name, const std::string &objPath,  const std::string &texturePath, Loader &loader) {
+    if (models.contains(name)) {
+        return models[name];
+    }
+
+    auto model = OBJLoader::loadModel(objPath, texturePath, loader);
+    models[name] = model;
+    return model;
+}
+
+std::shared_ptr<TexturedModel> AssetManager::getModel(const std::string &name) {
+    assert(models.contains(name) && "Model not found!");
+    return models.at(name);
+}

src/engine/renderer/model/AssetManager.h

@@ -0,0 +1,24 @@
+//
+// Created by sebastian on 08.02.26.
+//
+
+#ifndef ASSETMANAGER_H
+#define ASSETMANAGER_H
+#include <memory>
+#include <unordered_map>
+
+#include "TexturedModel.h"
+#include "../loader/Loader.h"
+
+
+class AssetManager {
+public:
+    static std::shared_ptr<TexturedModel> loadModel(const std::string& name, const std::string& objPath, const std::string& texturePath, Loader& loader);
+    static std::shared_ptr<TexturedModel> getModel(const std::string& name);
+private:
+    static inline std::unordered_map<std::string, std::shared_ptr<TexturedModel>> models;
+};
+
+
+
+#endif //ASSETMANAGER_H

src/game/GameLayer.cpp

@@ -11,6 +11,7 @@
 #include "../engine/renderer/textures/ModelTexture.h"
 #include "../engine/toolbox/MathUtils.h"
 #include "../engine/layer/entities/Light.h"
+#include "../engine/renderer/model/AssetManager.h"
 #include "hexWorld/HexModelFactory.h"
 #include "hexWorld/MapGenerator.h"
 
@@ -31,9 +32,12 @@ void GameLayer::onAttach()
     hexModelWood = std::make_shared<TexturedModel>(HexModelFactory::createTexturedHexModel(loader, 10.0f, RessourceType::WOOD));
     map = std::make_unique<Map>();
 
-    treeModel = std::make_unique<TexturedModel>(*OBJLoader::loadModel("assets/trees/lowPolyTree.obj", "assets/trees/lowPolyTree.png", loader));
-    treeEntity = std::make_unique<Entity>(Entity(treeModel, glm::vec3(0,0,0), 0,0,0, 0.5f));
-    MapGenerator::generateHexMap(*map, 10,10,10.f, mapEntities, treeModel);
+    AssetManager::loadModel("lowPolyTree", "assets/trees/lowPolyTree.obj", "assets/trees/lowPolyTree.png", loader);
+    AssetManager::loadModel("lowPolyTree2", "assets/trees/tree.obj", "assets/trees/tree.png", loader);
+
+    //treeModel = std::make_unique<TexturedModel>(*OBJLoader::loadModel("assets/trees/lowPolyTree.obj", "assets/trees/lowPolyTree.png", loader));
+    //treeEntity = std::make_unique<Entity>(Entity(treeModel, glm::vec3(0,0,0), 0,0,0, 0.5f));
+    MapGenerator::generateHexMap(*map, 10,10,10.f, mapEntities);
     printf("Generated Terrain with %lu Tiles!\n", map->tiles.size());
 }
 

src/game/GameLayer.h

@@ -36,8 +36,6 @@ private:
     std::shared_ptr<TexturedModel> hexModelWood;
 
     std::vector<std::shared_ptr<Entity>> tileEntities;
-    std::shared_ptr<TexturedModel> treeModel;
-    std::unique_ptr<Entity> treeEntity;
 
     std::vector<std::shared_ptr<Entity>> mapEntities;
     std::unique_ptr<Map> map;

src/game/hexWorld/MapGenerator.h

@@ -9,10 +9,11 @@
 
 #include "HexTile.h"
 #include "Map.h"
+#include "../../engine/renderer/model/AssetManager.h"
 
 class MapGenerator {
 public:
-    static void generateHexMap(Map& map, int width, int height, float hexRadius, std::vector<std::shared_ptr<Entity>>& mapEntities, const std::shared_ptr<TexturedModel>& treeModel) {
+    static void generateHexMap(Map& map, int width, int height, float hexRadius, std::vector<std::shared_ptr<Entity>>& mapEntities) {
         // Zufallsgenerator initialisieren (einmal)
         std::random_device rd;  // Zufälliger Seed
         std::mt19937 gen(rd()); // Mersenne Twister Generator
@@ -24,6 +25,12 @@ public:
         float xOffset = hexRadius * std::sqrt(3.0f);
         float zOffset = hexRadius * 1.5f;
 
+        std::shared_ptr<TexturedModel> treeModel = AssetManager::getModel("lowPolyTree");
+        std::shared_ptr<TexturedModel> treeModel2 = AssetManager::getModel("lowPolyTree2");
+        std::vector<std::shared_ptr<TexturedModel>> treeModels = {treeModel, treeModel2};
+
+        std::uniform_int_distribution<int> treeModelDistribution(0, treeModels.size() - 1);
+
         for (int r = 0; r < height; ++r) {
             for (int q = 0; q < width; ++q) {
                 HexTile tile;
@@ -43,17 +50,40 @@ public:
                     int treeCount = 3 + (int) (dis(gen) * 3);
                     std::uniform_real_distribution<float> offsetDis(-hexRadius * 0.5f, hexRadius * 0.5f);
 
+                    float minDistance = 3.0f; // Minimaler Abstand zwischen Bäumen
+
                     for (int i = 0; i < treeCount; ++i) {
-                        glm::vec3 treePos = tile.worldPos;
-                        treePos.x += offsetDis(gen);
-                        treePos.z += offsetDis(gen);
+                        glm::vec3 treePos;
+                        bool validPos = false;
 
-                        std::shared_ptr<Entity> treeEntity = std::make_shared<Entity>(Entity(treeModel, treePos, 0,0,0,.4f));
+                        // versuche zufällige Position, bis Abstand stimmt oder max Versuche erreicht
+                        int attempts = 0;
+                        const int maxAttempts = 10;
 
+                        while (!validPos && attempts < maxAttempts) {
+                            treePos = tile.worldPos;
+                            treePos.x += offsetDis(gen);
+                            treePos.z += offsetDis(gen);
+
+                            validPos = true;
+                            for (const auto& otherTree : tile.entitiesOnTile) {
+                                if (glm::distance(treePos, otherTree->getPosition()) < minDistance) {
+                                    validPos = false;
+                                    break;
+                                }
+                            }
+                            attempts++;
+                        }
+
+                        if (!validPos) continue; // zu viele Versuche, überspringen
+
+                        int treeModelIndex = treeModelDistribution(gen);
+                        auto treeEntity = std::make_shared<Entity>(treeModels[treeModelIndex], treePos, 0, 0, 0, 1.f);
                         mapEntities.push_back(treeEntity);
                         tile.entitiesOnTile.push_back(treeEntity);
                     }
 
+
                 }
 
                 map.tiles.push_back(tile);