Added a toggle to disable interpolation

src/engine/fox_bg.c

@@ -213,6 +213,9 @@ void Background_DrawStarfield(void) {
         zCos = __cosf(gStarfieldRoll);
         zSin = __sinf(gStarfieldRoll);
 
+        if(CVarGetInteger("gDisableStarsInterpolation", 0) == 1){
+            FrameInterpolation_ShouldInterpolateFrame(false);
+        }
 
         for (i = 0; i < starCount; i++, yStar++, xStar++, color++) {
             // Adjust star positions with field offsets
@@ -273,6 +276,10 @@ void Background_DrawStarfield(void) {
                 FrameInterpolation_RecordCloseChild();
             }
         }
+
+        if(CVarGetInteger("gDisableStarsInterpolation", 0) == 1){
+            FrameInterpolation_ShouldInterpolateFrame(true);
+        }
     }
 
     // Restore original perspective after drawing stars

src/engine/fox_edisplay.c

@@ -827,6 +827,7 @@ void ItemCheckpoint_Draw(ItemCheckpoint* this) {
     s32 i;
 
     if (((gGameFrameCount & 0x18) != 0) && (this->state == 0)) {
+        FrameInterpolation_RecordOpenChild(this, 0);
         Matrix_Push(&gGfxMatrix);
         RCP_SetupDL(&gMasterDisp, SETUPDL_64);
         gDPSetPrimColor(gMasterDisp++, 0x00, 0x00, 255, 255, 0, 255);
@@ -836,7 +837,9 @@ void ItemCheckpoint_Draw(ItemCheckpoint* this) {
         gSPDisplayList(gMasterDisp++, D_1023C80);
         gDPSetTextureFilter(gMasterDisp++, G_TF_BILERP);
         Matrix_Pop(&gGfxMatrix);
+        FrameInterpolation_RecordCloseChild();
     }
+    FrameInterpolation_RecordOpenChild(this, 1);
     RCP_SetupDL(&gMasterDisp, SETUPDL_29);
     gSPTexture(gMasterDisp++, 2000, 2000, 0, G_TX_RENDERTILE, G_ON);
     gSPSetGeometryMode(gMasterDisp++, G_TEXTURE_GEN);
@@ -852,6 +855,7 @@ void ItemCheckpoint_Draw(ItemCheckpoint* this) {
         Matrix_Pop(&gGfxMatrix);
     }
     gSPClearGeometryMode(gMasterDisp++, G_TEXTURE_GEN);
+    FrameInterpolation_RecordCloseChild();
 }
 
 void ItemSilverRing_Draw(ItemSilverRing* this) {
@@ -1674,8 +1678,8 @@ void Object_DrawAll(s32 arg0) {
         }
 
         for (i = 0, scenery360 = gScenery360; i < 200; i++, scenery360++) {
+            FrameInterpolation_RecordOpenChild(scenery360, i);
             if ((scenery360->obj.status == OBJ_ACTIVE) && (scenery360->obj.id != OBJ_SCENERY_LEVEL_OBJECTS)) {
-                FrameInterpolation_RecordOpenChild(scenery360, i);
                 if (gCurrentLevel == LEVEL_BOLSE) {
                     spAC.x = scenery360->sfxSource[0];
                     spAC.y = scenery360->sfxSource[1];
@@ -1686,8 +1690,8 @@ void Object_DrawAll(s32 arg0) {
                 Matrix_Push(&gGfxMatrix);
                 Scenery360_Draw(scenery360);
                 Matrix_Pop(&gGfxMatrix);
-                FrameInterpolation_RecordCloseChild();
             }
+            FrameInterpolation_RecordCloseChild();
         }
     } else {
         RCP_SetupDL_29(gFogRed, gFogGreen, gFogBlue, gFogAlpha, gFogNear, gFogFar);

src/overlays/ovl_menu/fox_i_menu.c

@@ -1,5 +1,6 @@
 #include "fox_title.h"
 #include "global.h"
+#include "port/interpolation/FrameInterpolation.h"
 
 void Title_Main(void);
 void Title_Draw(void);
@@ -30,7 +31,9 @@ void OvlMenu_CallFunction(u32 mode, void* ptr) {
             break;
 
         case OVLCALL_MAP_DRAW:
+            FrameInterpolation_RecordOpenChild("MapDraw", 0);
             Map_Draw();
+            FrameInterpolation_RecordCloseChild();
             break;
 
         case OVLCALL_OPTION_UPDATE:

src/overlays/ovl_menu/fox_map.c

@@ -15,6 +15,7 @@
 #include "assets/ast_map.h"
 #include "assets/ast_text.h"
 #include "assets/ast_font_3d.h"
+#include "port/interpolation/FrameInterpolation.h"
 
 // BSS STARTS HERE
 u8 gMapVenomCloudTex[96 * 96];

src/port/interpolation/FrameInterpolation.cpp

@@ -402,7 +402,8 @@ unordered_map<Mtx*, MtxF> FrameInterpolation_Interpolate(float step) {
 bool camera_interpolation = true;
 
 void FrameInterpolation_ShouldInterpolateFrame(bool shouldInterpolate) {
-    camera_interpolation = shouldInterpolate;
+    // camera_interpolation = shouldInterpolate;
+    is_recording = shouldInterpolate;
 }
 
 void FrameInterpolation_StartRecord(void) {

src/port/ui/ImguiUI.cpp

@@ -468,6 +468,10 @@ void DrawDebugMenu() {
             .tooltip = "Allows you to play sound effects from the game"
         });
 
+        UIWidgets::CVarCheckbox("Disable stars interpolation", "gDisableStarsInterpolation", {
+            .tooltip = "Disable starfield interpolation for performance"
+        });
+
         UIWidgets::Spacer(0);
 
         UIWidgets::WindowButton("Stats", "gStatsEnabled", GameUI::mStatsWindow, {