3 files changed, 159 insertions, 0 deletions
diff --git a/include/JSystem/J3DGraphBase/J3DDrawBuffer.h b/include/JSystem/J3DGraphBase/J3DDrawBuffer.h
index 5f62d772f8..f24f798b08 100644
--- a/include/JSystem/J3DGraphBase/J3DDrawBuffer.h
+++ b/include/JSystem/J3DGraphBase/J3DDrawBuffer.h
@@ -1,6 +1,51 @@
 #ifndef J3DDRAWBUFFER_H
 #define J3DDRAWBUFFER_H
 
+#include "JSystem/J3DGraphBase/J3DSys.h"
+#include "dolphin/mtx/mtx.h"
 #include "dolphin/types.h"
 
+class J3DDrawBuffer;
+class J3DPacket;
+class J3DDrawPacket;
+class J3DMatPacket;
+class J3DShapePacket;
+
+typedef void (*J3DDrawBuffer_DrawFunc)(const J3DDrawBuffer* this_);
+
+class J3DDrawBuffer {
+public:
+    ~J3DDrawBuffer();
+    void initialize();
+    J3DError allocBuffer(u32);
+    void frameInit();
+    void entryMatSort(J3DMatPacket*);
+    void entryMatAnmSort(J3DMatPacket*);
+    void entryZSort(J3DMatPacket*);
+    void entryModelSort(J3DMatPacket*);
+    void entryInvalidSort(J3DMatPacket*);
+    bool entryNonSort(J3DMatPacket*);
+    bool entryImm(J3DPacket* pPacket, u16 index);
+    void draw() const;
+    void drawHead() const;
+    void drawTail() const;
+
+    inline void calcZRatio();
+
+public:
+    J3DPacket** mpBuf;
+    u32 mBufSize;
+    u32 mDrawType;
+    u32 mSortType;
+    float mZNear;
+    float mZFar;
+    float mZRatio;
+    Mtx* mpZMtx;
+    J3DPacket* mpCallBackPacket;
+
+    static u8 sortFuncTable[72];
+    static u8 drawFuncTable[24];
+    static u8 entryNum[4 + 4 /* padding */];
+};
+
 #endif /* J3DDRAWBUFFER_H */
diff --git a/include/JSystem/J3DGraphBase/J3DPacket.h b/include/JSystem/J3DGraphBase/J3DPacket.h
index 4c0f4064b4..09e3a7c739 100644
--- a/include/JSystem/J3DGraphBase/J3DPacket.h
+++ b/include/JSystem/J3DGraphBase/J3DPacket.h
@@ -1,6 +1,114 @@
 #ifndef J3DPACKET_H
 #define J3DPACKET_H
 
+#include "JSystem/J3DGraphBase/J3DSys.h"
+#include "dolphin/mtx/mtx.h"
 #include "dolphin/types.h"
 
+class J3DMatPacket;
+
+class J3DDrawBuffer;
+class J3DMaterial;
+class J3DMaterialAnm;
+class J3DModel;
+class J3DMtxBuffer;
+class J3DShape;
+class J3DTexMtx;
+class J3DTexture;
+
+class J3DDisplayListObj {
+public:
+    J3DError newDisplayList(u32);
+    J3DError newSingleDisplayList(u32);
+    J3DError single_To_Double();
+    void setSingleDisplayList(void*, u32);
+    void swapBuffer();
+    void callDL() const;
+    void beginDL();
+    void endDL();
+    void beginPatch();
+    void endPatch();
+
+    static u8 sGDLObj[16];
+    static u8 sInterruptFlag[4 + 4 /* padding */];
+
+    void* mpData[2];
+    u32 mSize;
+    u32 mCapacity;
+};
+
+class J3DPacket {
+public:
+    void addChildPacket(J3DPacket* pChild);
+
+    inline void clear() {
+        mpNextSibling = NULL;
+        mpFirstChild = NULL;
+    }
+
+    virtual bool entry(J3DDrawBuffer* pDrawBuffer);
+    virtual void draw();
+    virtual ~J3DPacket();
+
+public:
+    J3DPacket* mpNextSibling;
+    J3DPacket* mpFirstChild;
+};
+
+class J3DDrawPacket : public J3DPacket {
+public:
+    J3DDrawPacket();
+    ~J3DDrawPacket();
+    J3DError newDisplayList(u32);
+    J3DError newSingleDisplayList(u32);
+    virtual void draw();
+
+public:
+    void* mpUserData;
+    int mFlags;
+    char mPad0[0x0C];  // unk
+    J3DDisplayListObj* mpDisplayListObj;
+    J3DTexMtx* mpTexMtx;
+};
+
+class J3DShapePacket : public J3DDrawPacket {
+public:
+    J3DShapePacket();
+    void calcDifferedBufferSize(u32);
+    void newDifferedDisplayList(u32);
+    void prepareDraw() const;
+    void drawFast();
+
+    virtual ~J3DShapePacket();
+    virtual void draw();
+
+public:
+    J3DShape* mpShape;
+    J3DMtxBuffer* mpMtxBuffer;
+    Mtx* mpViewMtx;
+    u32 mDiffFlag;
+    J3DModel* mpModel;
+};
+
+class J3DMatPacket : public J3DDrawPacket {
+public:
+    J3DMatPacket();
+    void addShapePacket(J3DShapePacket*);
+    void beginDiff();
+    void endDiff();
+    void isSame(J3DMatPacket*) const;
+
+    virtual ~J3DMatPacket();
+    virtual bool entry(J3DDrawBuffer* pDrawBuffer);
+    virtual void draw();
+
+public:
+    J3DShapePacket* mpShapePacket;
+    J3DShapePacket* mpFirstShapePacket;
+    J3DMaterial* mpMaterial;
+    s32 mSortFlags;
+    J3DTexture* mpTexture;
+    J3DMaterialAnm* mpMaterialAnm;
+};
+
 #endif /* J3DPACKET_H */
diff --git a/include/JSystem/J3DGraphBase/J3DSys.h b/include/JSystem/J3DGraphBase/J3DSys.h
index 5802253819..73cef8bde9 100644
--- a/include/JSystem/J3DGraphBase/J3DSys.h
+++ b/include/JSystem/J3DGraphBase/J3DSys.h
@@ -3,4 +3,10 @@
 
 #include "dolphin/types.h"
 
+// Perhaps move to a new J3DEnum.h?
+enum J3DError {
+    kJ3DError_Success = 0,
+    kJ3DError_Alloc = 4,
+};
+
 #endif /* J3DSYS_H */