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 Copyright (c) 2021-2023 Xiamen Yaji Software Co., Ltd.

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 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights to
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 of the Software, and to permit persons to whom the Software is furnished to do so,
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 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

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****************************************************************************/

#pragma once

#include "base/TypeDef.h"
#include "base/std/optional.h"

#include "core/assets/Material.h"

namespace cc {

struct IMaterialInstanceInfo {
    Material *parent{nullptr};
    //    RenderableComponent *owner{nullptr};
    index_t subModelIdx{0};
};

class PassInstance;

/**
 * @zh
 * 材质实例，当有材质修改需求时，根据材质资源创建的，可任意定制的实例。
 */
class MaterialInstance final : public Material {
public:
    using Super = Material;

    explicit MaterialInstance(const IMaterialInstanceInfo &info);

    Material *getParent() const override {
        return _parent.get();
    }

    //    RenderableComponent *getOwner() const override {
    //        return _owner;
    //    }

    void recompileShaders(const MacroRecord &overrides) override {
        MaterialInstance::recompileShaders(overrides, CC_INVALID_INDEX);
    }
    void recompileShaders(const MacroRecord &overrides, index_t passIdx) override;

    void overridePipelineStates(const PassOverrides &overrides) override {
        MaterialInstance::overridePipelineStates(overrides, CC_INVALID_INDEX);
    }
    void overridePipelineStates(const PassOverrides &overrides, index_t passIdx) override;

    bool destroy() override;

    void onPassStateChange(bool dontNotify);

    // For JS
    using RebuildPSOCallback = std::function<void(index_t index, Material *material)>;
    void setRebuildPSOCallback(const RebuildPSOCallback &cb);
    //

protected:
    ccstd::vector<IntrusivePtr<scene::Pass>> createPasses() override;

private:
    IntrusivePtr<Material> _parent;
    //    RenderableComponent *_owner{nullptr};
    index_t _subModelIdx{0};

    RebuildPSOCallback _rebuildPSOCallback{nullptr};
};

} // namespace cc