103 lines
1.7 KiB
C++
103 lines
1.7 KiB
C++
#ifndef _H_EVENTS_H
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#define _H_EVENTS_H
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#include <string>
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#include <typeindex>
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#include <memory>
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#include <functional>
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#include <unordered_map>
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#include "utility/direction.h"
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#include <glm/glm.hpp>
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class Bullet;
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struct PhysicsComponent;
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struct BulletFiredEvent {
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std::weak_ptr<Bullet> bullet;
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};
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struct BulletDiedEvent {
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std::shared_ptr<PhysicsComponent> physObj;
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};
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struct BulletCollideEvent {
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unsigned int ownerID;
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unsigned int victimID;
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std::shared_ptr<PhysicsComponent> bullet;
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glm::vec2 normal;
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};
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struct DirectionChangeEvent {
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int entityid;
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Direction direction;
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};
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struct EntityMoveEvent {
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int entityid;
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};
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struct EntityStopEvent {
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int entityid;
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};
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struct EntityReloadEvent {
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int entityid;
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glm::vec3 position;
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std::string weaponType;
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};
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struct EntityFinishReloadEvent {
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int entityid;
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};
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struct EntityFireEvent {
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int entityid;
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float fireDelay;
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glm::vec3 firePosition;
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std::string weaponType;
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};
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struct AnimationFinishedEvent {
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int entityid;
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std::string animType;
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};
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struct ScreenShakeEvent {
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float intensity;
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float duration;
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};
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struct ScreenBlurEvent {
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float intensity;
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float duration;
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};
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class EventManager {
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public:
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template <typename T>
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using EventCallback = std::function<void(const T&)>;
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template <typename T>
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void subscribe(EventCallback<T> cb) {
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auto wrapper = [cb](void *ev) {
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cb(*static_cast<T*>(ev));
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};
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callbacks[typeid(T)].push_back(wrapper);
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}
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template <typename T>
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void notify(const T& event) {
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auto iterator = callbacks.find(typeid(T));
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if (iterator != callbacks.end())
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{
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for (auto& cb : iterator->second)
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{
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cb((void*)&event);
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}
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}
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}
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private:
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std::unordered_map <std::type_index, std::vector <std::function<void(void*)>>> callbacks;
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};
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#endif //_H_EVENTS_H
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