clean up a few epochs that were missed (#1204)

Co-authored-by: briaguya <briaguya@alice>

soh/src/overlays/actors/ovl_Boss_Tw/z_boss_tw.c

@@ -4416,8 +4416,6 @@ void BossTw_BlastDraw(Actor* thisx, GlobalContext* globalCtx2) {
     f32 scaleFactor;
     s16 tailIdx;
     s16 i;
-    static u32 epoch = 0;
-    epoch++;
 
     OPEN_DISPS(globalCtx->state.gfxCtx);
 
@@ -4428,7 +4426,7 @@ void BossTw_BlastDraw(Actor* thisx, GlobalContext* globalCtx2) {
             gDPSetPrimColor(POLY_XLU_DISP++, 0, 0, 200, 20, 0, (s8)this->workf[TAIL_ALPHA]);
             gDPSetEnvColor(POLY_XLU_DISP++, 255, 215, 255, 128);
             for (i = 9; i >= 0; i--) {
-                FrameInterpolation_RecordOpenChild("Twinrova Fire Blast", epoch + i * 25);
+                FrameInterpolation_RecordOpenChild("Twinrova Fire Blast", i);
 
                 gSPSegment(POLY_XLU_DISP++, 8,
                            Gfx_TwoTexScroll(
@@ -4456,7 +4454,7 @@ void BossTw_BlastDraw(Actor* thisx, GlobalContext* globalCtx2) {
             gDPSetPrimColor(POLY_XLU_DISP++, 0, 0, 195, 225, 235, (s8)this->workf[TAIL_ALPHA]);
             gSPDisplayList(POLY_XLU_DISP++, SEGMENTED_TO_VIRTUAL(object_tw_DL_01A998));
             for (i = 9; i >= 0; i--) {
-                FrameInterpolation_RecordOpenChild("Twinrova Ice Blast", epoch + i * 25);
+                FrameInterpolation_RecordOpenChild("Twinrova Ice Blast", i);
 
                 gSPSegment(POLY_XLU_DISP++, 8,
                            Gfx_TwoTexScroll(

soh/src/overlays/actors/ovl_Demo_6K/z_demo_6k.c

@@ -693,8 +693,6 @@ void func_809688C4(Actor* thisx, GlobalContext* globalCtx2) {
     GlobalContext* globalCtx = globalCtx2;
     u32 frames = globalCtx->state.frames;
     s32 i;
-    static u32 epoch = 0;
-    epoch++;
 
     if ((i = (globalCtx->csCtx.state != CS_STATE_IDLE) && (globalCtx->csCtx.npcActions[1] != NULL)) &&
         (globalCtx->csCtx.npcActions[1]->action != 1)) {
@@ -705,7 +703,7 @@ void func_809688C4(Actor* thisx, GlobalContext* globalCtx2) {
         Matrix_RotateY((s16)(Camera_GetCamDirYaw(GET_ACTIVE_CAM(globalCtx)) + 0x8000) * (M_PI / 0x8000), MTXMODE_APPLY);
 
         for (i = 0; i < 16; i++) {
-            FrameInterpolation_RecordOpenChild("Demo6K 809688C4", epoch + i * 25);
+            FrameInterpolation_RecordOpenChild("Demo6K 809688C4", i);
 
             gDPPipeSync(POLY_XLU_DISP++);
             gDPSetEnvColor(POLY_XLU_DISP++, sEnvColors[this->unk_274[i]].r, sEnvColors[this->unk_274[i]].g,

soh/src/overlays/actors/ovl_Mir_Ray/z_mir_ray.c

@@ -482,8 +482,6 @@ void MirRay_Draw(Actor* thisx, GlobalContext* globalCtx) {
     s32 i;
     MirRayShieldReflection reflection[6];
     s32 temp;
-    static u32 epoch = 0;
-    epoch++;
 
     this->reflectIntensity = 0.0f;
     if ((D_80B8E670 == 0) && !this->unLit && Player_HasMirrorShieldSetToDraw(globalCtx)) {
@@ -514,7 +512,7 @@ void MirRay_Draw(Actor* thisx, GlobalContext* globalCtx) {
             }
             for (i = 0; i < 6; i++) {
                 if (reflection[i].reflectionPoly != NULL) {
-                    FrameInterpolation_RecordOpenChild(&reflection[i], epoch + i * 25);
+                    FrameInterpolation_RecordOpenChild(&reflection[i], i);
                     Matrix_Translate(reflection[i].pos.x, reflection[i].pos.y, reflection[i].pos.z, MTXMODE_NEW);
                     Matrix_Scale(0.01f, 0.01f, 0.01f, MTXMODE_APPLY);
                     Matrix_Mult(&reflection[i].mtx, MTXMODE_APPLY);