1 files changed, 46 insertions, 0 deletions
diff --git a/include/JSystem/J3DGraphBase/J3DPacket.h b/include/JSystem/J3DGraphBase/J3DPacket.h
index 790e734825..06eaa771bd 100644
--- a/include/JSystem/J3DGraphBase/J3DPacket.h
+++ b/include/JSystem/J3DGraphBase/J3DPacket.h
@@ -18,6 +18,48 @@ class J3DTexMtx;
 class J3DTexMtxObj;
 class J3DTexture;
 
+inline u32 getDiffFlag_LightObjNum(u32 param_1) {
+    return (param_1 & 0xf0) >> 4;
+}
+
+inline u32 getDiffFlag_TexGenNum(u32 param_1) {
+    return (param_1 & 0xf00) >> 8;
+}
+
+inline int calcDifferedBufferSize_TexMtxSize(int param_1) {
+  return param_1 * 0x35;
+}
+
+inline int calcDifferedBufferSize_TexGenSize(int param_1) {
+    return param_1 * 0x3d + 10;
+}
+
+inline u32 getDiffFlag_TexNoNum(u32 param_1) {
+    return (param_1 & 0xf0000) >> 0x10;
+}
+
+inline int calcDifferedBufferSize_TexNoSize(int param_1) {
+    return param_1 * 0x37;
+}
+
+inline u32 calcDifferedBufferSize_TexNoAndTexCoordScaleSize(u32 param_1) {
+    u32 res = param_1 * 0x37;
+    res += ((param_1 + 1) >> 1) * 0x37;
+    return res;
+}
+
+inline u32 getDiffFlag_TevStageNum(u32 param_1) {
+    return (param_1 & 0xf00000) >> 0x14;
+}
+
+inline int calcDifferedBufferSize_TevStageSize(int param_1) {
+    return param_1 * 10;
+}
+
+inline int calcDifferedBufferSize_TevStageDirectSize(int param_1) {
+    return param_1 * 5;
+}
+
 class J3DDisplayListObj {
 public:
     J3DDisplayListObj() {
@@ -90,6 +132,9 @@ public:
     J3DDisplayListObj* getDisplayListObj() const { return mpDisplayListObj; }
     void setDisplayListObj(J3DDisplayListObj* pObj) { mpDisplayListObj = pObj; }
 
+    void beginPatch() { mpDisplayListObj->beginPatch(); }
+    void endPatch() { mpDisplayListObj->endPatch(); }
+
     void callDL() const { getDisplayListObj()->callDL(); }
 
     enum {
@@ -153,6 +198,7 @@ public:
     void setInitShapePacket(J3DShapePacket* packet) { mpInitShapePacket = packet; }
     void setMaterialAnmID(J3DMaterialAnm* materialAnm) { mpMaterialAnm = materialAnm; }
     bool isChanged() const { return mDiffFlag & 0x80000000; }
+    bool isEnabled_Diff() const { return mpInitShapePacket->getDisplayListObj() != NULL; }
 
     virtual ~J3DMatPacket();
     virtual int entry(J3DDrawBuffer*);