g3d_TexPatternAnimObj.h

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#ifndef NW_G3D_TEXPATTERNANIMOBJ_H_
#define NW_G3D_TEXPATTERNANIMOBJ_H_
 
#include <nw/g3d/g3d_config.h>
#include <nw/g3d/g3d_AnimObj.h>
#include <nw/g3d/res/g3d_ResTexPatternAnim.h>
 
namespace nw { namespace g3d {
 
class ModelObj;
class MaterialObj;
 
class TexPatternAnimObj : public ModelAnimObj
{
public:
    class InitArg;
 
    enum Alignment
    {
        BUFFER_ALIGNMENT        = 4,
    };
 
    TexPatternAnimObj() : ModelAnimObj(), m_pRes(NULL) {}
 
    bool Init(const InitArg& arg, void* pBuffer, size_t bufferSize);
 
    static size_t CalcBufferSize(const InitArg& arg);
 
    virtual BindResult Bind(const ResModel* pModel);
    virtual BindResult Bind(const ModelObj* pModel);
    virtual void BindFast(const ResModel* pModel);
 
    void SetBindFlag(int materialIndex, BindFlag flag)
    {
        NW_G3D_ASSERT_NOT_NULL(m_pRes);
        SetBindFlagImpl(materialIndex, flag);
    }
 
    BindFlag GetBindFlag(int materialIndex)
    {
        NW_G3D_ASSERT_NOT_NULL(m_pRes);
        return GetBindFlagImpl(materialIndex);
    }
 
    virtual void ClearResult();
    virtual void Calc();
    virtual void ApplyTo(ModelObj* pModelObj) const;
 
    const ResTexPatternAnim* GetResource() const { return m_pRes; };
 
    void SetResource(ResTexPatternAnim* pRes);
 
    void ResetResource()
    {
        m_pRes = NULL;
        SetTargetUnbound();
    }
 
    bool IsAcceptable(const ResModel* pModel) const
    {
        NW_G3D_ASSERT_NOT_NULL(pModel);
        NW_G3D_ASSERT_NOT_NULL(m_pRes);
        return pModel->GetMaterialCount() <= GetBindTable().GetSize();
    }
 
    bool IsAcceptable(const ResTexPatternAnim* pRes) const
    {
        NW_G3D_ASSERT_NOT_NULL(pRes);
        return pRes->GetMatAnimCount() <= m_MaxMatAnim && pRes->GetPatAnimCount() <= m_MaxSubBind
            ;
    }
 
protected:
    ResTexPatternMatAnim* GetMatAnim(int animIndex)
    {
        return ResTexPatternMatAnim::ResCast(&m_pMatAnimArray[animIndex]);
    }
 
    const ResTexPatternMatAnim* GetMatAnim(int animIndex) const
    {
        return ResTexPatternMatAnim::ResCast(&m_pMatAnimArray[animIndex]);
    }
 
    BindResult SubBind(const ResTexPatternMatAnim* pMatAnim, const ResMaterial* pMaterial);
 
    BindResult SubBindFast(const ResTexPatternMatAnim* pMatAnim);
 
    void ApplyTo(MaterialObj* pMaterialObj, int animIndex) const;
 
private:
    class Sizer;
    ResTexPatternAnim* m_pRes;
    ResTexPatternMatAnimData* m_pMatAnimArray;
    s32 m_MaxMatAnim;
    s32 m_MaxSubBind;
 
    s8* m_pSubBindIndexArray;
 
    NW_G3D_DISALLOW_COPY_AND_ASSIGN(TexPatternAnimObj);
};
 
class TexPatternAnimObj::Sizer : public nw::g3d::Sizer
{
public:
    Sizer() : nw::g3d::Sizer() {}
 
    void Calc(const InitArg& arg);
 
    enum
    {
        RESULT_BUFFER,
        BIND_TABLE,
        SUBBIND_TABLE,
        FRAMECACHE_ARRAY,
 
        NUM_CHUNK
    };
 
    Chunk chunk[NUM_CHUNK];
};
 
class TexPatternAnimObj::InitArg
{
public:
    InitArg() { Clear(); }
 
    void Clear()
    {
        m_NumMat = m_NumMatAnim = m_NumPatAnim = m_NumCurve = -1;
        m_ContextEnabled = true;
        m_ContextAvailable = false;
    }
 
    void Reserve(const ResModel* pResModel)
    {
        NW_G3D_ASSERT_NOT_NULL(pResModel);
        m_NumMat = std::max(m_NumMat, pResModel->GetMaterialCount());
        m_Sizer.Invalidate();
    }
 
    void Reserve(const ResTexPatternAnim* pResAnim)
    {
        NW_G3D_ASSERT_NOT_NULL(pResAnim);
        m_NumMatAnim = std::max(m_NumMatAnim, pResAnim->GetMatAnimCount());
        m_NumPatAnim = std::max(m_NumPatAnim, pResAnim->GetPatAnimCount());
        m_NumCurve = std::max(m_NumCurve, pResAnim->GetCurveCount());
 
        m_ContextAvailable |= !pResAnim->IsCurveBaked();
        m_Sizer.Invalidate();
    }
 
    void EnableContext() { m_ContextEnabled = true; m_Sizer.Invalidate(); }
 
    void DisableContext() { m_ContextEnabled = false; m_Sizer.Invalidate(); }
 
    bool IsContextEnabled() const { return m_ContextAvailable && m_ContextEnabled; }
 
    void SetMaxMatCount(int matCount)
    {
        NW_G3D_ASSERT(matCount >= 0);
        m_NumMat = matCount;
        m_Sizer.Invalidate();
    }
 
    int GetMaxMatCount() const { return m_NumMat; }
 
    void SetMaxMatAnimCount(int matAnimCount)
    {
        NW_G3D_ASSERT(matAnimCount >= 0);
        m_NumMatAnim = matAnimCount;
        m_Sizer.Invalidate();
    }
 
    int GetMaxMatAnimCount() const { return m_NumMatAnim; }
 
    void SetMaxPatAnimCount(int patAnimCount)
    {
        NW_G3D_ASSERT(patAnimCount >= 0);
        m_NumPatAnim = patAnimCount;
        m_Sizer.Invalidate();
    }
 
    int GetMaxPatAnimCount() const { return m_NumPatAnim; }
 
    void SetMaxCurveCount(int curveCount)
    {
        NW_G3D_ASSERT(curveCount >= 0);
        m_NumCurve = curveCount;
        m_ContextAvailable = true;
        m_Sizer.Invalidate();
    }
 
    int GetMaxCurveCount() const { return m_NumCurve; }
 
    bool IsValid() const
    {
        return m_NumMat >= 0 && m_NumMatAnim >= 0 && m_NumPatAnim >= 0 && m_NumCurve >= 0;
    }
 
    Sizer& GetSizer() const { return m_Sizer; }
 
private:
    int m_NumMat;
    int m_NumMatAnim;
    int m_NumPatAnim;
    int m_NumCurve;
 
    bool m_ContextEnabled;
    bool m_ContextAvailable;
    mutable Sizer m_Sizer;
};
 
} } // namespace nw::g3d
 
#endif // NW_G3D_TEXPATTERNANIMOBJ_H_