From 63b823ef2ccfcf2c0bf4223832c34f4528ee4907 Mon Sep 17 00:00:00 2001
From: enzofc708 <47937189+enzofc708@users.noreply.github.com>
Date: Fri, 30 Jan 2026 12:30:17 -0300
Subject: Decomp ModelRender (#139)

* decomp ModelRender

* fix ModelRender function name

* fix other ModelRender references

* reloc vtables

* fix ModelRender obect size

* fix matches

* match 100%
---
 include/Render/ModelRender.hpp | 70 ++++++++++++++++++++++++++++++------------
 1 file changed, 50 insertions(+), 20 deletions(-)

(limited to 'include/Render')

diff --git a/include/Render/ModelRender.hpp b/include/Render/ModelRender.hpp
index 8698d5b9..d0fca92a 100644
--- a/include/Render/ModelRender.hpp
+++ b/include/Render/ModelRender.hpp
@@ -8,46 +8,76 @@
 #include "System/SysNew.hpp"
 #include "Unknown/UnkStruct_ov000_020c0c08.hpp"
 
+class ModelRender;
+
+struct ModelRender_UnkBoneMatrixStruct {
+    /* 00 */ unk8 mUnk_00[0x28];
+    /* 28 */ Mat3p mUnk_28;
+    /* 4c */ unk8 mUnk_4c[0xC];
+    /* 58 */
+};
+
+struct ModelRender_UnkStruct_4 {
+    /* 00 */ unk32 flags;
+    /* 04 */ void *mLcdcAddr;
+    /* 08 */ void *mUnk_08; // this attribute is related to UnkStruct_ov000_020c0c08
+    /* 0c */ void *mUnkTransformFunc;
+    /* 10 */ void *mUnk_10; // also related to UnkStruct_ov000_020c0c08
+    /* 14 */ void *mUnkMaterialFunc;
+    /* 18 */ void *mUnk_18; // also related to UnkStruct_ov000_020c0c08
+    /* 1c */ void *mUnkVisibilityFunc;
+    /* 20 */ void *mUnkFunc_20;
+    /* 24 */ unk8 mUnk_24;
+    /* 25 */ unk8 mUnk_25;
+    /* 26 */ unk8 mUnk_26[2];
+    /* 28 */ void *mUnk_28;
+    /* 2c */ ModelRender *mUnk_2c; // pointer to self?
+    /* 30 */ unk32 mUnk_30;
+    /* 34 */ ModelRender_UnkBoneMatrixStruct *unkBoneMatrixArray1;
+    /* 38 */ unk32 mUnk_38[3];
+    /* 44 */ unk32 mUnk_44[2];
+    /* 4c */ unk32 mUnk_4c[2];
+    /* 54 */
+};
+
+struct ModelRenderCommandsData {
+    /* 00 */ u8 command;
+    /* 04 */ ModelRender_UnkStruct_4 *unkStruct4;
+    /* 08 */
+};
+
 class ItemModel;
 
 class ModelRender : public SysObject {
 public:
     /* 00 (vtable) */
-    /* 04 */ u32 mUnk_04;
-    /* 08 */ void *mLcdcAddr;
-    /* 0c */ s32 mUnk_0c;
-    /* 10 */ unk32 mUnk_10;
-    /* 14 */ s32 mUnk_14;
-    /* 18 */ unk32 mUnk_18;
-    /* 1c */ s32 mUnk_1c;
-    /* 20 */ unk8 mUnk_20[0x38];
-    /* 58 */ void *mUnk_58;
+    /* 04 */ ModelRender_UnkStruct_4 mUnk_04;
+    /* 58 */ ModelRender_UnkBoneMatrixStruct *unkBoneMatrixArray2;
     /* 5c */
 
     /* 00 */ virtual ~ModelRender();
     /* 08 */ virtual void *GetLcdcAddress();
-    /* 0c */ virtual void vfunc_0c(ItemModel *model);
+    /* 0c */ virtual void Init_ModelRender_UnkStruct_4(ItemModel *model);
     /* 10 */ virtual void SetTransform(Vec3p *scale, Mat3p *rotation, Vec3p *translation);
     /* 14 */ virtual void SetRotationTranslation(Mat3p *rotation, Vec3p *translation);
     /* 18 */ virtual void SetTranslation(Vec3p *translation);
     /* 1c */ virtual void PushGeometryCommands();
-    /* 20 */ virtual void vfunc_20();
+    /* 20 */ virtual void ExecRenderCommands(); // Reads the NSBMD Render Commands and push instructions to the FIFO
     /* 24 */ virtual void vfunc_24(UnkStruct_ov000_020c0c08 *param1);
     /* 28 */ virtual void vfunc_28();
     /* 2c */ virtual void vfunc_2c();
     /* 30 */ virtual void vfunc_30();
     /* 34 */ virtual void vfunc_34();
     /* 38 */ virtual void vfunc_38();
-    /* 3c */ virtual void vfunc_3c();
+    /* 3c */ virtual void vfunc_3c(ModelRenderCommandsData *renderData);
     /* 40 */
 
-    ModelRender(ItemModel *param1);
-    void *func_ov000_020a9624(s32 param1);
-    void func_ov000_020a98e8(unk32 param1);
-    void func_ov000_020a990c(unk32 param1);
-    void func_ov000_020a9938(unk32 param1);
-    void func_ov000_020a9960(void *param1);
-    void func_ov000_020a9998(unk32 param1, unk32 param2);
-    void func_ov000_020a99c0();
+    ModelRender(ItemModel *itemModel);
+    ModelRender_UnkBoneMatrixStruct *UnkGetBoneMatrix(s32 index);
+    s32 GetObjectIndex(char *objectName);
+    s32 GetMaterialIndex(char *materialName);
+    void InitBoneMatrixArrays(u32 idLength);
+    void SetUnkBoneMatrixArray1(ModelRender_UnkBoneMatrixStruct *boneMatrix);
+    void UnkInit_Struct4_Params(u8 param1, u8 param2);
     void func_ov000_020b413c(unk16 param1, Vec3p *param2);
 };
-- 
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