Remove As Much Code As Possible and Still Pass Tests (#732)

* Update render_objects.c

* Remove unused HUD texture function declarations

Removed several unused function declarations related to HUD textures.

* Update skybox_and_splitscreen.c

* Remove unused set_viewport2 function declaration

Removed unused function declaration for set_viewport2.

* Update code_80005FD0.c

* Remove set_bomb_kart_spawn_positions function declaration

* Update skybox_and_splitscreen.c

* Update skybox_and_splitscreen.h

* Modify Draw function to adjust crab visibility

Commented out code to prevent premature disappearance of the crab when the camera rotates.

* Update Crab.cpp

* Update Crab.h

* Update Crab.cpp

* Delete unused texture rendering functions

Removed unused functions related to texture rendering.

* Update render_objects.h

2 files changed, 7 insertions, 30 deletions

diff --git a/src/engine/objects/Crab.cpp b/src/engine/objects/Crab.cpp
index a435e881e..bc278e158 100644
--- a/src/engine/objects/Crab.cpp
+++ b/src/engine/objects/Crab.cpp
@@ -74,6 +74,13 @@ Vtx common_vtx_crab[] = {
 void OCrab::Draw(s32 cameraId) {
     Camera* camera;
     s32 objectIndex = _objectIndex;
+
+    // With this the crab disappears too early when the camera is rotating away from the crab
+    // func_8008A364(objectIndex, cameraId, 0x2AABU, 800);
+    // if (is_obj_flag_status_active(objectIndex, VISIBLE) == 0) {
+    //     return;
+    // }
+    
     if (gObjectList[objectIndex].state >= 2) {
         camera = &camera1[cameraId];
         FrameInterpolation_RecordOpenChild("crab", (_idx << 5) | cameraId);
@@ -94,34 +101,6 @@ void OCrab::Draw(s32 cameraId) {
     }
 }
 
-void OCrab::DrawModel(s32 cameraId) {
-    s32 someIndex;
-    s32 objectIndex = _objectIndex;
-    func_8008A364(objectIndex, cameraId, 0x2AABU, 800);
-    if (is_obj_flag_status_active(objectIndex, VISIBLE) != 0) {
-        Camera* camera;
-
-        if (gObjectList[objectIndex].state >= 2) {
-            camera = &camera1[cameraId];
-            FrameInterpolation_RecordOpenChild("crab3", (_idx << 5) | cameraId);
-            func_8004A6EC(objectIndex, 0.5f);
-            FrameInterpolation_RecordCloseChild();
-            gObjectList[objectIndex].orientation[1] =
-                func_800418AC(gObjectList[objectIndex].pos[0], gObjectList[objectIndex].pos[2], camera->pos);
-            FrameInterpolation_RecordOpenChild("crab4", (_idx << 5) | cameraId);
-            rsp_set_matrix_transformation(gObjectList[objectIndex].pos, gObjectList[objectIndex].orientation,
-                                          gObjectList[objectIndex].sizeScaling);
-            gSPDisplayList(gDisplayListHead++, (Gfx*) D_0D007D78);
-            gDPLoadTLUT_pal256(gDisplayListHead++, gObjectList[objectIndex].activeTLUT);
-            rsp_load_texture((u8*) gObjectList[objectIndex].activeTexture, 64, 64);
-            gSPVertex(gDisplayListHead++, (uintptr_t) common_vtx_crab, 4, 0);
-            gSPDisplayList(gDisplayListHead++, (Gfx*) common_rectangle_display);
-            gSPTexture(gDisplayListHead++, 1, 1, 0, G_TX_RENDERTILE, G_OFF);
-            FrameInterpolation_RecordCloseChild();
-        }
-    }
-}
-
 void OCrab::init_ktb_crab(s32 objectIndex) {
     Object* object;
 
diff --git a/src/engine/objects/Crab.h b/src/engine/objects/Crab.h
index 9a892bcf7..6c2ef7de6 100644
--- a/src/engine/objects/Crab.h
+++ b/src/engine/objects/Crab.h
@@ -52,8 +52,6 @@ public:
     virtual void SetSpawnParams(SpawnParams& params) override;
     virtual void DrawEditorProperties() override;
 
-    void DrawModel(s32 cameraId);
-
     void init_ktb_crab(s32 objectIndex);
     void func_80082B34(s32 objectIndex);
     void func_80082C30(s32 objectIndex);