metaforce/Runtime/Particle/CDecal.hpp

#pragma once

#include "RetroTypes.hpp"
#include "CToken.hpp"
#include "zeus/CTransform.hpp"
#include "CDecalDescription.hpp"
#include "CRandom16.hpp"

namespace urde
{
struct SQuadDescr;
struct CQuadDecal
{
    union
    {
        struct
        {
            bool x0_24_invalid : 1;
        };
        u32 _dummy = 0;
    };
    s32 x4_lifetime = 0;
    float x8_rotation = 0.f;
    const SQuadDescr* m_desc = nullptr;
    CQuadDecal() = default;
    CQuadDecal(s32 i, float f)
    : x4_lifetime(i),
      x8_rotation(f)
    {
        x0_24_invalid = true;
    }

    boo::ObjToken<boo::IGraphicsBufferD> m_instBuf;
    boo::ObjToken<boo::IGraphicsBufferD> m_uniformBuf;
    boo::ObjToken<boo::IShaderDataBinding> m_normalDataBind;
    boo::ObjToken<boo::IShaderDataBinding> m_redToAlphaDataBind;
};

class CDecal
{
    friend class CDecalManager;
    static bool sMoveRedToAlphaBuffer;
    static CRandom16 sDecalRandom;

    TLockedToken<CDecalDescription> x0_description;
    zeus::CTransform xc_transform;
    CQuadDecal x3c_decalQuads[2];
    s32 x54_modelLifetime = 0;
    s32 x58_frameIdx = 0;
    union
    {
        struct
        {
            bool x5c_31_quad1Invalid : 1;
            bool x5c_30_quad2Invalid : 1;
            bool x5c_29_modelInvalid : 1;
        };
        u32 x5c_dummy = 0;
    };
    zeus::CVector3f x60_rotation;
    bool InitQuad(CQuadDecal& quad, const SQuadDescr& desc);
public:
    CDecal(const TToken<CDecalDescription>& desc, const zeus::CTransform& xf);
    void RenderQuad(CQuadDecal& decal, const SQuadDescr& desc) const;
    void RenderMdl() const;
    void Render() const;
    void Update(float dt);

    static void SetGlobalSeed(u16);
    static void SetMoveRedToAlphaBuffer(bool);
};
}