object.hpp

/*
    KTech, Kaup's C++ 2D terminal game engine library.
    Copyright (C) 2023-2025 Ethan Kaufman (AKA Kaup)
 
    This file is part of KTech.
 
    KTech is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    any later version.
 
    KTech is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with KTech. If not, see <https://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#define KTECH_DEFINITION
#include "../ktech.hpp"
#undef KTECH_DEFINITION
#include "../utility/id.hpp"
#include "../basic/point.hpp"
#include "collider.hpp"
#include "texture.hpp"
 
class KTech::Object
{
public:
    Engine& engine; 
    const ID<Object> m_id{ID<Object>::Unique()}; 
    std::string m_name; 
    ID<Layer> m_parentLayer; 
 
    Point m_pos; 
    std::vector<Texture> m_textures = {}; 
    std::vector<Collider> m_colliders = {}; 
 
    Object(Engine& engine, Point position = Point(0, 0), std::string name = "");
    Object(Engine& engine, const ID<Layer>& parentLayer, Point position = Point(0, 0), std::string name = "");
    virtual ~Object();
 
    auto EnterLayer(const ID<Layer>& layer) -> bool;
    auto LeaveLayer() -> bool;
 
    auto Move(Point direction) -> bool;
 
protected:
    virtual auto OnTick() -> bool;
    virtual void OnMove(Point direction);
    virtual void OnPushed(Point direction, size_t collider, ID<Object> otherObject, size_t otherCollider);
    virtual void OnPush(Point direction, size_t collider, ID<Object> otherObject, size_t otherCollider);
    virtual void OnBlocked(Point direction, size_t collider, ID<Object> otherObject, size_t otherCollider);
    virtual void OnBlock(Point direction, size_t collider, ID<Object> otherObject, size_t otherCollider);
    virtual void OnOverlap(Point direction, size_t collider, ID<Object> otherObject, size_t otherCollider);
    virtual void OnOverlapExit(Point direction, size_t collider, ID<Object> otherObject, size_t otherCollider);
    virtual void OnOverlapped(Point direction, size_t collider, ID<Object> otherObject, size_t otherCollider);
    virtual void OnOverlappedExit(Point direction, size_t collider, ID<Object> otherObject, size_t otherCollider);
 
    friend class KTech::Collision;
    friend class KTech::Memory;
};