Decompiles z_bg_ingate (#301)

* Decompiles z_bg_ingate

	* BgIngate_SetupAction
	* BgIngate_Init
	* BgIngate_Destroy
	* BgIngate_Update
	* func_80892990
	* func_80892890
	* BgIngate_Draw
Removes unused asm's
Formats z_bg_ingate.c

* Addresses PR comments

* Fixes usage of cutscene id instead of regular scene

* Addresses PR comments

1 files changed, 85 insertions, 10 deletions

diff --git a/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c b/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c
index 629249aff..2f0cca4f5 100644
--- a/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c
+++ b/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c
@@ -16,9 +16,8 @@ void BgIngate_Update(Actor* thisx, GlobalContext* globalCtx);
 void BgIngate_Draw(Actor* thisx, GlobalContext* globalCtx);
 
 void func_80892890(BgIngate* this, GlobalContext* globalCtx);
-void func_80892990(BgIngate* this, GlobalContext* globalCtx);
+void BgIngate_DoNothing(BgIngate* this, GlobalContext* globalCtx);
 
-/*
 const ActorInit Bg_Ingate_InitVars = {
     ACTOR_BG_INGATE,
     ACTORTYPE_PROP,
@@ -30,17 +29,93 @@ const ActorInit Bg_Ingate_InitVars = {
     (ActorFunc)BgIngate_Update,
     (ActorFunc)BgIngate_Draw,
 };
-*/
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Ingate/BgIngate_SetupAction.s")
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Ingate/BgIngate_Init.s")
+extern UNK_TYPE D_060011B8;
+extern Gfx D_06001040[];
+
+void BgIngate_SetupAction(BgIngate* this, BgIngateActionFunc actionFunc) {
+    this->actionFunc = actionFunc;
+}
+
+void BgIngate_Init(Actor* thisx, GlobalContext* globalCtx) {
+    BgIngate* this = THIS;
+
+    s32 pad;
+    s32 sp32 = 0;
+
+    DynaPolyInfo_SetActorMove(&this->dyna, 0);
+    DynaPolyInfo_Alloc(&D_060011B8, &sp32);
+
+    this->dyna.dynaPolyId = DynaPolyInfo_RegisterActor(globalCtx, &globalCtx->colCtx.dyna, &this->dyna.actor, sp32);
+
+    if ((globalCtx->sceneNum != SCENE_SPOT20 || LINK_IS_CHILD) ||
+        (((gSaveContext.eventChkInf[1] & 0x100)) && (gSaveContext.cutsceneIndex != 0xFFF0))) {
+        Actor_Kill(&this->dyna.actor);
+        return;
+    }
+
+    Actor_SetScale(&this->dyna.actor, 0.1f);
+    if (((this->dyna.actor.params & 1) != 0) && ((gSaveContext.eventInf[0] & 0xF) == 6)) {
+        globalCtx->csCtx.frames = 0;
+        BgIngate_SetupAction(this, func_80892890);
+    } else {
+        BgIngate_SetupAction(this, BgIngate_DoNothing);
+    }
+}
+
+void BgIngate_Destroy(Actor* thisx, GlobalContext* globalCtx) {
+    BgIngate* this = THIS;
+
+    DynaPolyInfo_Free(globalCtx, &globalCtx->colCtx.dyna, this->dyna.dynaPolyId);
+}
+
+void func_80892890(BgIngate* this, GlobalContext* globalCtx) {
+    s32 phi0;
+    s16 phi1;
+    s16 csFrames;
+
+    if (globalCtx->csCtx.frames >= 50) {
+        phi0 = 0x4000;
+        if ((this->dyna.actor.params & 2) == 0) {
+            phi0 = -0x4000;
+        }
+        this->dyna.actor.shape.rot.y = this->dyna.actor.posRot.rot.y + phi0;
+        BgIngate_SetupAction(this, &BgIngate_DoNothing);
+    } else if (globalCtx->csCtx.frames >= 10) {
+        csFrames = globalCtx->csCtx.frames - 10;
+        csFrames *= 400;
+        phi1 = csFrames;
+        if (csFrames > 0x4000) {
+            csFrames = 0x4000;
+        }
+        csFrames = (Math_Sins(csFrames) * 16384.0f);
+        phi1 = csFrames;
+        if ((this->dyna.actor.params & 2) == 0) {
+            phi1 = -phi1;
+        }
+        this->dyna.actor.shape.rot.y = this->dyna.actor.posRot.rot.y + phi1;
+    }
+}
+
+void BgIngate_DoNothing(BgIngate* this, GlobalContext* globalCtx) {}
+
+void BgIngate_Update(Actor* thisx, GlobalContext* globalCtx) {
+    BgIngate* this = THIS;
+    
+    this->actionFunc(this, globalCtx);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Ingate/BgIngate_Destroy.s")
+void BgIngate_Draw(Actor* thisx, GlobalContext* globalCtx) {
+    GraphicsContext* gfxCtx = globalCtx->state.gfxCtx;
+    Gfx* dispRefs[4];
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Ingate/func_80892890.s")
+    Graph_OpenDisps(dispRefs, globalCtx->state.gfxCtx, "../z_bg_ingate.c", 240);
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Ingate/func_80892990.s")
+    func_80093D18(globalCtx->state.gfxCtx);
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Ingate/BgIngate_Update.s")
+    gSPMatrix(gfxCtx->polyOpa.p++, Matrix_NewMtx(globalCtx->state.gfxCtx, "../z_bg_ingate.c", 245),
+              G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/actors/ovl_Bg_Ingate/BgIngate_Draw.s")
+    gSPDisplayList(gfxCtx->polyOpa.p++, D_06001040);
+    Graph_CloseDisps(dispRefs, globalCtx->state.gfxCtx, "../z_bg_ingate.c", 250);
+}