MaterialBase.h

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#pragma once
 
#include "Assets/Material.h"
 
#include "Vertex.h"
 
#include "Graphics/GraphicsConstants.h"
#include "Graphics/GraphicsTypes.h"
 
class Texture;
class MaterialLite;
 
class POLYPHASE_API MaterialBase : public Material
{
public:
 
    DECLARE_ASSET(MaterialBase, Material);
 
    MaterialBase();
    ~MaterialBase();
 
    virtual void LoadStream(Stream& stream, Platform platform) override;
    virtual void SaveStream(Stream& stream, Platform platform) override;
    virtual void Create() override;
    virtual void Destroy() override;
    virtual bool Import(const std::string& path, ImportOptions* options) override;
    virtual void GatherProperties(std::vector<Property>& outProps) override;
    virtual glm::vec4 GetTypeColor() override;
    virtual const char* GetTypeName() override;
 
    virtual bool IsBase() const override;
 
    void Compile();
    void MarkStale();
 
    virtual BlendMode GetBlendMode() const override;
    virtual float GetMaskCutoff() const override;
    virtual int32_t GetSortPriority() const override;
    virtual bool IsDepthTestDisabled() const override;
    virtual bool ShouldApplyFog() const override;
    virtual CullMode GetCullMode() const override;
 
    void SetBlendMode(BlendMode blendMode);
    void SetMaskCutoff(float cutoff);
    void SetSortPriority(int32_t priority);
    void SetDepthTestDisabled(bool depthTest);
    void SetApplyFog(bool applyFog);
    void SetCullMode(CullMode cullMode);
 
    uint32_t GetNumScalarParameters();
    uint32_t GetNumVectorParameters();
    uint32_t GetNumTextureParameters();
    uint32_t GetUniformBufferSize();
 
    const std::vector<uint8_t>& GetVertexShaderCode(VertexType type) const;
    const std::vector<uint8_t>& GetFragmentShaderCode();
 
    MaterialLite* GetLiteFallback() const;
 
    static bool HandlePropChange(Datum* datum, uint32_t index, const void* newValue);
 
protected:
 
    // Properties
    std::string mShader;
    BlendMode mBlendMode = BlendMode::Opaque;
    float mMaskCutoff = 0.5f;
    int32_t mSortPriority = 0;
    bool mDisableDepthTest = false;
    bool mApplyFog = true;
    CullMode mCullMode = CullMode::Back;
 
    // Misc
    MaterialRef mLiteFallback;
    std::vector<uint8_t> mVertexCode[(uint32_t)VertexType::Max];
    std::vector<uint8_t> mFragmentCode;
    uint32_t mNumScalarParams = 0;
    uint32_t mNumVectorParams = 0;
    uint32_t mNumTextureParams = 0;
    bool mCompiled = false;
    bool mCompilationStale = true;
};