Dicewars-Siedler/src/engine/core/ECS/EntityManager.h
2026-02-08 20:05:48 +01:00

96 lines
3.8 KiB
C++

//
// Created by sebastian on 08.02.26.
//
#ifndef ENTITYMANAGER_H
#define ENTITYMANAGER_H
#include <cstdint>
#include <memory>
#include <unordered_map>
#include <vector>
#include "../../../game/hexWorld/ecs/components/OwnerComponent.h"
class BuildingComponent;
// Forward Declarations (KEINE includes hier!)
class TransformComponent;
class ModelComponent;
class TileRenderComponent;
class TileGameplayComponent;
class MapEntityComponent;
using EntityID = std::uint32_t;
class EntityManager {
private:
EntityID nextID = 1;
std::vector<EntityID> entities;
std::unordered_map<EntityID, std::shared_ptr<TransformComponent>> transforms;
std::unordered_map<EntityID, std::shared_ptr<ModelComponent>> models;
std::unordered_map<EntityID, std::shared_ptr<TileRenderComponent>> tileRenderComponents;
std::unordered_map<EntityID, std::shared_ptr<TileGameplayComponent>> tileGameplayComponents;
std::unordered_map<EntityID, std::shared_ptr<MapEntityComponent>> mapEntityComponents;
std::unordered_map<EntityID, std::shared_ptr<BuildingComponent>> buildings;
std::unordered_map<EntityID, std::shared_ptr<OwnerComponent>> owners;
public:
EntityID createEntity();
void destroyEntity(EntityID entity);
template<typename T>
void addComponent(EntityID entity, std::shared_ptr<T> component) {
if constexpr (std::is_same_v<T, TransformComponent>) {
transforms[entity] = component;
} else if constexpr (std::is_same_v<T, ModelComponent>) {
models[entity] = component;
} else if constexpr (std::is_same_v<T, TileRenderComponent>) {
tileRenderComponents[entity] = component;
} else if constexpr (std::is_same_v<T, TileGameplayComponent>) {
tileGameplayComponents[entity] = component;
} else if constexpr (std::is_same_v<T, MapEntityComponent>) {
mapEntityComponents[entity] = component;
} else if constexpr (std::is_same_v<T, BuildingComponent>) {
buildings[entity] = component;
} else if constexpr (std::is_same_v<T, OwnerComponent>) {
owners[entity] = component;
} else {
static_assert(sizeof(T) == 0, "Component-Typ nicht unterstützt");
}
}
template<typename T>
std::shared_ptr<T> getComponent(EntityID entity) {
if constexpr (std::is_same_v<T, TransformComponent>) {
auto it = transforms.find(entity);
return (it != transforms.end()) ? it->second : nullptr;
} else if constexpr (std::is_same_v<T, ModelComponent>) {
auto it = models.find(entity);
return (it != models.end()) ? it->second : nullptr;
} else if constexpr (std::is_same_v<T, TileRenderComponent>) {
auto it = tileRenderComponents.find(entity);
return (it != tileRenderComponents.end()) ? it->second : nullptr;
} else if constexpr (std::is_same_v<T, TileGameplayComponent>) {
auto it = tileGameplayComponents.find(entity);
return (it != tileGameplayComponents.end()) ? it->second : nullptr;
} else if constexpr (std::is_same_v<T, MapEntityComponent>) {
auto it = mapEntityComponents.find(entity);
return (it != mapEntityComponents.end()) ? it->second : nullptr;
} else if constexpr (std::is_same_v<T, BuildingComponent>) {
auto it = buildings.find(entity);
return (it != buildings.end()) ? it->second : nullptr;
} else if constexpr (std::is_same_v<T, OwnerComponent>) {
auto it = owners.find(entity);
return (it != owners.end()) ? it->second : nullptr;
} else {
static_assert(sizeof(T) == 0, "Component-Typ nicht unterstützt");
}
}
const std::vector<EntityID>& getAllEntities() const { return entities; }
};
#endif //ENTITYMANAGER_H