texture_manager.hpp

/*
 * Copyright 2025 Guillaume Guillet
 *
 * 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 _FGE_TEXTURE_MANAGER_HPP_INCLUDED
#define _FGE_TEXTURE_MANAGER_HPP_INCLUDED
 
#include "FastEngine/fge_extern.hpp"
 
#include "FastEngine/graphic/C_surface.hpp"
#include "FastEngine/manager/C_baseManager.hpp"
#include "FastEngine/textureType.hpp"
#include <vector>
 
#define FGE_TEXTURE_BAD FGE_MANAGER_BAD
#define FGE_TEXTURE_BAD_W 32
#define FGE_TEXTURE_BAD_H 32
#define FGE_TEXTURE_BAD_COLOR_1 fge::Color::Black
#define FGE_TEXTURE_BAD_COLOR_2 fge::Color::Magenta
 
namespace fge::texture
{
 
struct DataBlock final : manager::BaseDataBlock<TextureType>
{
    inline void unload() override { this->_group.clear(); }
 
    [[nodiscard]] inline virtual bool duplicate(BaseDataBlock& block) const override
    {
        auto& castedBlock = dynamic_cast<DataBlock&>(block);
        if (!BaseDataBlock::duplicate(castedBlock))
        {
            return false;
        }
        castedBlock._group.clear();
        for (auto& group: this->_group)
        {
            castedBlock._group.emplace_back(std::make_shared<TextureType>(*group));
        }
        castedBlock._group = this->_group;
        return true;
    }
 
    std::vector<DataPointer> _group;
};

class FGE_API TextureManager final : public manager::BaseManager<TextureType, DataBlock>
{
public:
    using BaseManager::BaseManager;
 
    bool initialize() override;
    void uninitialize() override;

    bool loadFromSurface(std::string_view name, fge::Surface const& surface);
    bool loadFromFile(std::string_view name, std::filesystem::path const& path);
    bool loadToGroupFromSurface(std::string_view name, fge::Surface const& surface) const;
};

FGE_API extern TextureManager gManager;
 
} // namespace fge::texture
 
#endif // _FGE_TEXTURE_MANAGER_HPP_INCLUDED