EditorSystem.h

// =====================================================================================================================
// Copyright 2024 Medusa Slockbower
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// =====================================================================================================================
 
#ifndef EDITORSYSTEM_H
#define EDITORSYSTEM_H
 
#include <SDL_events.h>
#include <open-cpp-utils/unique_id.h>
#include <unordered_map>
 
#include <Editor/EditorWindow.h>
 
#define MAX_EDITORS 256
 
namespace OpenShaderDesigner
{
    class EditorSystem
    {
    public:
        using WindowID = uint64_t;
 
        template<typename T>
        static WindowID ID() { return open_cpp_utils::unique_id<WindowID, T>(); }
 
        template<typename T>
        static T* Open() { T* window; (window = Get<T>())->Open(); return window; }
 
        template<typename T>
        static T* Close() { T* window; (window = Get<T>())->Close(); return window; }
 
        template<typename T>
        static T* Get()
        {
            T* window = reinterpret_cast<T*>(Windows[ID<T>()]);
            if(window == nullptr) Windows[ID<T>()] = window = new T();
            return window;
        }
 
        static void Initialize();
        static void Draw();
        static void Shutdown();
        static void HandleEvents(SDL_Event* event);
 
    private:
        inline static EditorWindow* Windows[MAX_EDITORS] { nullptr };
    };
}
 
 
 
#endif //EDITORSYSTEM_H