Decomp ModelRender (#139)

* decomp ModelRender

* fix ModelRender function name

* fix other ModelRender references

* reloc vtables

* fix ModelRender obect size

* fix matches

* match 100%

2 files changed, 173 insertions, 24 deletions

diff --git a/src/00_Core/Item/ItemManager.cpp b/src/00_Core/Item/ItemManager.cpp
index c15eafe4..2e1f3c01 100644
--- a/src/00_Core/Item/ItemManager.cpp
+++ b/src/00_Core/Item/ItemManager.cpp
@@ -556,7 +556,7 @@ THUMB void ItemManager::LoadFanfareItem(ItemId id) {
         strcat(textureName, sSpecialItemModelNames[6]);

         model = LoadNsbTexturedModel(mFanfareItemModel, modelName, textureName, 0, 0, 0, true);

     }

-    mUnk_114->vfunc_0c(model);

+    mUnk_114->Init_ModelRender_UnkStruct_4(model);

 }

 

 THUMB bool ItemManager::GetFanfareItemScale(Vec3p *scale) const {

diff --git a/src/00_Core/Render/ModelRender.cpp b/src/00_Core/Render/ModelRender.cpp
index 92d32375..cd984739 100644
--- a/src/00_Core/Render/ModelRender.cpp
+++ b/src/00_Core/Render/ModelRender.cpp
@@ -1,25 +1,174 @@
 #include "Render/ModelRender.hpp"
+#include "DTCM/UnkStruct_027e037c.hpp"
 
-ModelRender::ModelRender(ItemModel *param1) {}
-ModelRender::~ModelRender() {}
-void *ModelRender::GetLcdcAddress() {}
-void ModelRender::vfunc_0c(ItemModel *model) {}
-void *ModelRender::func_ov000_020a9624(s32 param1) {}
-void ModelRender::SetTransform(Vec3p *scale, Mat3p *rotation, Vec3p *translation) {}
-void ModelRender::SetRotationTranslation(Mat3p *rotation, Vec3p *translation) {}
-void ModelRender::SetTranslation(Vec3p *translation) {}
-void ModelRender::PushGeometryCommands() {}
-void ModelRender::vfunc_20() {}
-void ModelRender::vfunc_24(UnkStruct_ov000_020c0c08 *param1) {}
-void ModelRender::vfunc_28() {}
-void ModelRender::vfunc_2c() {}
-void ModelRender::vfunc_34() {}
-void ModelRender::vfunc_30() {}
-void ModelRender::func_ov000_020a98e8(unk32 param1) {}
-void ModelRender::func_ov000_020a990c(unk32 param1) {}
-void ModelRender::func_ov000_020a9938(unk32 param1) {}
-void ModelRender::func_ov000_020a9960(void *param1) {}
-void ModelRender::vfunc_38() {}
-void ModelRender::vfunc_3c() {}
-void ModelRender::func_ov000_020a9998(unk32 param1, unk32 param2) {}
-void ModelRender::func_ov000_020a99c0() {}
+extern "C" void func_020189dc(ModelRender_UnkStruct_4 *unkStruct4, ItemModel *model);
+extern "C" void func_02018c3c(ModelRender_UnkStruct_4 *unkStruct4, void *param2);
+extern "C" void UnkInit_ModelRender_Struct4_Params(ModelRender_UnkStruct_4 *unkStruct4,
+                                                   void (*func)(ModelRenderCommandsData *), unk32 param3, u8 param4,
+                                                   u8 param5);
+extern "C" void ExecModelRenderCommands(ModelRender_UnkStruct_4 *unkStruct4);
+extern "C" void CopySingle288(Mat3p *src, Mat3p *dest);
+extern "C" void SetGeometryScale(Vec3p *scale);
+extern "C" void SetGeometryTranslation(Vec3p *translation);
+extern "C" void PushGeometryCommand(u32 command, void *data, s32 length);
+extern "C" void func_ov000_020c0d70(UnkStruct_ov000_020c0c08 *param1, ModelRender_UnkStruct_4 *param2);
+extern "C" void func_ov000_020b3ea8(void *param1);
+extern "C" unk32 func_0201e388(void *param1, const char *param2);
+extern "C" u8 *GetModelUnknownHeader(ModelRender *modelRender);
+extern "C" Mat3p gGeomMatrix;
+extern "C" Vec3p gGeomTranslation;
+extern "C" Vec3p gGeomScale;
+extern "C" UnkStruct_027e037c data_027e037c;
+extern "C" void *data_027e03c8;
+extern "C" Vec3p gDefaultScale;
+extern "C" Mat3p gDefaultMatrix;
+extern "C" u32 *data_027e0ce0[];
+
+THUMB ModelRender::ModelRender(ItemModel *itemModel) {
+    this->unkBoneMatrixArray2 = NULL;
+    this->Init_ModelRender_UnkStruct_4(itemModel);
+}
+
+THUMB ModelRender::~ModelRender() {
+    if (this->unkBoneMatrixArray2 != NULL) {
+        SysObject::operator delete[](this->unkBoneMatrixArray2);
+    }
+    func_ov000_020b3ea8(this);
+}
+
+ARM void *ModelRender::GetLcdcAddress() {
+    return mUnk_04.mLcdcAddr;
+}
+
+void ModelRender::Init_ModelRender_UnkStruct_4(ItemModel *model) {
+    func_020189dc(&this->mUnk_04, model);
+}
+
+ModelRender_UnkBoneMatrixStruct *ModelRender::UnkGetBoneMatrix(s32 index) {
+    if (this->unkBoneMatrixArray2 != NULL) {
+        return &this->unkBoneMatrixArray2[index];
+    }
+    if (this->mUnk_04.unkBoneMatrixArray1 != NULL) {
+        return &this->mUnk_04.unkBoneMatrixArray1[index];
+    }
+    return NULL;
+}
+
+void ModelRender::SetTransform(Vec3p *scale, Mat3p *rotation, Vec3p *translation) {
+    SetGeometryScale(scale);
+    CopySingle288(rotation, &gGeomMatrix);
+    data_027e037c.flags = data_027e037c.flags & 0xffffff5b;
+    SetGeometryTranslation(translation);
+    this->PushGeometryCommands();
+    SetGeometryScale(&gDefaultScale);
+    CopySingle288(&gDefaultMatrix, &gGeomMatrix);
+    data_027e037c.flags = data_027e037c.flags & 0xffffff5b;
+}
+
+void ModelRender::SetRotationTranslation(Mat3p *rotation, Vec3p *translation) {
+    CopySingle288(rotation, &gGeomMatrix);
+    data_027e037c.flags = data_027e037c.flags & 0xffffff5b;
+    SetGeometryTranslation(translation);
+    this->PushGeometryCommands();
+    CopySingle288(&gDefaultMatrix, &gGeomMatrix);
+    data_027e037c.flags = data_027e037c.flags & 0xffffff5b;
+}
+
+void ModelRender::SetTranslation(Vec3p *translation) {
+    SetGeometryTranslation(translation);
+    this->PushGeometryCommands();
+}
+
+void ModelRender::PushGeometryCommands() {
+    PushGeometryCommand(0x1c, &gGeomTranslation.x, 3);
+    PushGeometryCommand(0x1a, &gGeomMatrix, 9);
+    PushGeometryCommand(0x1b, &gGeomScale.x, 3);
+    this->ExecRenderCommands();
+    PushGeometryCommand(0x17, &data_027e03c8, 0xc);
+}
+
+void ModelRender::ExecRenderCommands() {
+    ExecModelRenderCommands(&this->mUnk_04);
+}
+
+void ModelRender::vfunc_24(UnkStruct_ov000_020c0c08 *param1) {
+    func_ov000_020c0d70(param1, &this->mUnk_04);
+}
+
+void ModelRender::vfunc_28() {
+    while (this->mUnk_04.mUnk_10 != NULL) {
+        func_02018c3c(&this->mUnk_04, this->mUnk_04.mUnk_10);
+    }
+    while (this->mUnk_04.mUnk_08 != NULL) {
+        func_02018c3c(&this->mUnk_04, this->mUnk_04.mUnk_08);
+    }
+    while (this->mUnk_04.mUnk_18 != NULL) {
+        func_02018c3c(&this->mUnk_04, this->mUnk_04.mUnk_18);
+    }
+}
+
+void ModelRender::vfunc_2c() {
+    while (this->mUnk_04.mUnk_10 != NULL) {
+        func_02018c3c(&this->mUnk_04, this->mUnk_04.mUnk_10);
+    }
+}
+
+void ModelRender::vfunc_34() {
+    while (this->mUnk_04.mUnk_18 != NULL) {
+        func_02018c3c(&this->mUnk_04, this->mUnk_04.mUnk_18);
+    }
+}
+
+void ModelRender::vfunc_30() {
+    while (this->mUnk_04.mUnk_08 != NULL) {
+        func_02018c3c(&this->mUnk_04, this->mUnk_04.mUnk_08);
+    }
+}
+
+// An object is a subdivision of a model e.g.: link's arm, link's head, etc.
+ARM s32 ModelRender::GetObjectIndex(char *objectName) {
+    char *model      = (char *) GetLcdcAddress();
+    void *objectList = model + 0x40;
+    unk32 index      = func_0201e388(objectList, objectName);
+    return index;
+}
+
+ARM s32 ModelRender::GetMaterialIndex(char *materialName) {
+    char *model         = (char *) GetLcdcAddress();
+    u32 materialsOffset = *(u32 *) ((u32) model + 8);
+    void *materialList  = (void *) ((u32) model + materialsOffset + 4);
+    unk32 index         = func_0201e388(materialList, materialName);
+    return index;
+}
+
+THUMB void ModelRender::InitBoneMatrixArrays(u32 idLength) {
+    u32 *id            = data_027e0ce0[1];
+    u8 *unkPtr         = GetModelUnknownHeader(this);
+    u8 boneMatrixCount = *(unkPtr + 3);
+
+    ModelRender_UnkBoneMatrixStruct *boneMatrixArray =
+        (ModelRender_UnkBoneMatrixStruct *) SysObject::operator new[](boneMatrixCount * 0x58, id, idLength);
+    this->unkBoneMatrixArray2         = boneMatrixArray;
+    this->mUnk_04.unkBoneMatrixArray1 = boneMatrixArray;
+}
+
+ARM void ModelRender::SetUnkBoneMatrixArray1(ModelRender_UnkBoneMatrixStruct *boneMatrix) {
+    this->mUnk_04.unkBoneMatrixArray1 = boneMatrix;
+}
+
+void ModelRender::vfunc_38() {
+    this->mUnk_04.flags |= 3;
+    ExecModelRenderCommands(&this->mUnk_04);
+    this->mUnk_04.flags &= 0xfffffffd;
+}
+
+void ModelRender::vfunc_3c(ModelRenderCommandsData *renderData) {}
+
+void func_ov000_020a99c0(ModelRenderCommandsData *renderData) {
+    renderData->unkStruct4->mUnk_2c->vfunc_3c(renderData);
+}
+
+void ModelRender::UnkInit_Struct4_Params(u8 param1, u8 param2) {
+    this->mUnk_04.mUnk_2c = this;
+    UnkInit_ModelRender_Struct4_Params(&this->mUnk_04, &func_ov000_020a99c0, 0, param1, param2);
+}
\ No newline at end of file