ovl_Bg_Ikana_Mirror OK and documented (#873)

* test commit

* undoing test commit

* making sure this is the right repo

* removing test file

* init for OSH bombable wall started. put back Actor* in function declarations.

* BgKin2Bombwall_Init is matching.

* started z_bg_kin2_bombwall destroy function. One mismatch right now.

* BgKin2Bombwall_Destroy matches.

* BgKin2Bombwall_Draw matches.

* Fixed BgKin2Bombwall_Init

* BgKin2Bombwall_Init and BgKin2Bombwall_Destroy both match. Fixed s32 array in struct.

* BgKin2Bombwall_Draw and BgKin2Bombwall_Update match.

* Only func_80B6E020 and func_80B6E090 left to match in ovl_Bg_Kin2_Bombwall.

* func_80B6E020 from ovl_Bg_Kin2_Bombwall matches.

* Went from 8925 to about 5-6k diff score for func_80B6E090 in ovl_Bg_Kin2_Bombwall

* Took func_80B6E090 from about 5300 diff score to about 4300 diff score in ovl_Bg_Kin2_Bombwall.

* Diff score for ovl_Bg_Kin2_Bombwall func_80B6E090 went from 4k ish to 3277

* Diff score for ovl_Bg_Kin2_Bombwall func_80B6E090 went from 3277 to 2262.

* Diff score for ovl_Bg_Kin2_Bombwall func_80B6E090 went from 2262 to 1589.

* only slight progress on ovl_Bg_Kinw_Bombwall's func_80B6E090

* Got to 1473 diff score on ovl_Bg_Kinw_Bombwall's func_80B6E090

* Put in the changes made by EllipticEllipsis and hensldm for ovl_Bg_Kin2_Bombwall's func_8066E090.

* renamed some symbols. Fake symbol removal makes nonzero diff, but rom OK's after make.

* moving declarations around, ordering.

* One.word.away. from importing data in ovl_Bg_Kin2_Bombwall.

* ovl_Bg_Kin2_Bombwall data imported. Matching.

* Edited spec for reloc of ovl_Bg_Kin2_Bombwall.

* Removed extra comments for ovl_Bg_Kin2_Bombwall.

* unpushed stuff. dunno.

* forgot to save z_bg_kin2_bombwall.c

* need to commit before make-ing in master.

* Ported z_bg_kin2_bombwall's code. Data next.

* Imported data for merging z_bg_kin2_bombwall. Yes, I yelled when it OK'd.

* Added comments to remember what does what in z_bg_kin2_bombwall.

* Some comments in z_bg_kin2_bombwall.c and function names ideas.

* Added comments for function name ideas. Cleaned up temps in z_bg_kin2_bombwall except in func_80B6E090.

* Renamed most functions and some variables in z_bg_kin2_bombwall.

* Made a name suggestion for func_80B6E020 after testing in game.

* Ran format.sh.

* Update src/overlays/actors/ovl_Bg_Kin2_Bombwall/z_bg_kin2_bombwall.c

1 and 0 replaced by true and false in func_80B6E020.

Co-authored-by: Isghj <42048411+isghj5@users.noreply.github.com>

* Update src/overlays/actors/ovl_Bg_Kin2_Bombwall/z_bg_kin2_bombwall.c

Bending to the x-- supremacy.

Co-authored-by: Isghj <42048411+isghj5@users.noreply.github.com>

* PR fixes (not done yet) including more consistent use of THIS, removing arg0 and arg1 variable names, standardizing params for z_bg_kin2_bombwall, turning some if-return to if-else, removing unnecessary casts.

* Applied isghj5's and EllipticEllipsis' suggestions except for the object file in z_bg_kin2_bombwall. Object file next.

* Screwd up formatting.

* Thinking of playing with object_kin2_obj.

* Documented most of object_kin2_obj based on bombwall, fence and shelf actors.

* Had forgotten an arg1 in z_bg_kin2_bombwall.c

* First commit for ovl_Bg_Ikana_Mirror branch.

* Started decompiling ovl_Bg_Ikana_Mirror. Setup functions and _Update done matching.

* Replaced a float by its fractional representation. I need to learn float magic.

* Update src/overlays/actors/ovl_Bg_Kin2_Bombwall/z_bg_kin2_bombwall.c

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* Update src/overlays/actors/ovl_Bg_Kin2_Bombwall/z_bg_kin2_bombwall.h

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* Applied more formatting and naming remarks from PR about the C file. Assets and object stuff next.

* Display lists and collision header in z_bg_kin2_bombwall.c renamed after their descriptive names in the object's XML file. Name for Ocean Spider House drawers chests left to change.

* Working on BgIkanaMirror_Destroy. Stack and registers left essentially.

* Update src/overlays/actors/ovl_Bg_Kin2_Bombwall/z_bg_kin2_bombwall.c

Co-authored-by: Derek Hensley <hensley.derek58@gmail.com>

* One extra line in an if, collision naming convention applied and renamed Ocean Spider House nightstands to drawers chests.

* Update src/overlays/actors/ovl_Bg_Kin2_Bombwall/z_bg_kin2_bombwall.c

Co-authored-by: Derek Hensley <hensley.derek58@gmail.com>

* Changed drawers chest to chest of drawers in object_kin2_obj and z_bg_kin2_shelf.

* Removed some unnecessary comment.

* almost done with BgIkanaMirror_Destroy function.

* Update src/overlays/actors/ovl_Bg_Kin2_Bombwall/z_bg_kin2_bombwall.c

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* BgIkanaMirror_Destroy OK.

* Almost done with BgIkanaMirror_Init. Mostly stack stuff left.

* Registers and stack left to fix for BgIkanaMirror_Init.

* BgIkanaMirror_Init matching.

* Ran permuter to improve BgIkanaMirror_Draw's score.

* Actually not mad at permuter for BgIkanaMirror_Draw headstart.

* Matched func_80B7F730 in ovl_Bg_Ikana_Mirror. Progress on its _Init done too.

* func_80B7FA9C in ovl_Bg_Ikana_Mirror is matching. _Init left then documentation.

* Mistake in last commit message: actually, _Draw is left for ovl_Bg_Ikana_Mirror.

* Going to do some groceries, so pushing. About 2/3 across func_80B7FBA4 in ovl_Bg_Ikana_Mirror.

* func_80B7FBA4 in ovl_Bg_Ikana_Mirror is matching. _Draw then data left.

* Need to switch branch.

* Fixed BgKin2Bombwall_SpawnEffects after the Rand_Next() type update.

* Switching branch.

* Learning to decomp draw functions with BgIkanaMirror_Draw. YEP

* Switching branch.

* Went through the first wave of graphics macros attempts for BgIkanaMirror_Draw.

* Removed some temps in BgIkanaMirror_Draw.

* Second pass of macro attempts for BgIkanaMirror_Draw.

* Diff score for BgIkanaMirror_Draw at 1873. Getting there.

* BgIkanaMirror_Draw diff score down to 854. 4 instructions off and registers to fix.

* Instructions are matching for BgIkanaMirror_Draw. Registers left.

* BgIkanaMirror_Draw matches. Data next. Adding some co-authors

* BgIkanaMirror_Draw matches. Data next. Adding some co-authors

Co-authored-by: EllipticEllipsis <73679967+EllipticEllipsis@users.noreply.github.com>
Co-authored-by: Tom-Overton <hensley.derek58@gmail.com>
Co-authored-by: Isghj5 <isghj5@gmail.com>
Co-authored-by: mzxrules <mzxrules@gmail.com>
Co-authored-by: Derek-Hensley <hensley.derek58@gmail.com>

* Data imported and OK.

Co-authored-by: Maide <eeeedddccc@hotmail.co.uk>
Co-authored-by: mzxrules <mzxrules@gmail.com>
Co-authored-by: Derek-Hensley <hensley.derek58@gmail.com>

* Removed commented lines of unused code and useless externs. Documenting C file and object next.

* Renamed fields in actor and variables in 3 functions for ovl_bg_ikana_mirror. Some conventions applied.

* Renamed more variables in the struct and C file for ovl_bg_ikana_mirror.

* More cleanups and naming in ovl_Bg_Ikana_Mirror.

* Renamed some functions in ovl_Bg_Ikana_Mirror. More cleanups. Object documentation next once function names confirmed.

* Renamed collision header, animated textures and display lists for ovl_Bg_Ikana_Mirror in ovl_Bg_Ikana_Mirror and object_ikana_obj. Some textures left to rename.

* Renamed textures only used by ovl_Bg_Ikana_Mirror. Must go back through docs for conventions and styles plus an extra cleanup before PR.

* Went through merging and review docs for extra cleanups. Adding co-authors for documentation.

Co-authored-by: EllipticEllipsis <73679967+EllipticEllipsis@users.noreply.github.com>
Co-authored-by: Derek-Hensley <hensley.derek58@gmail.com>

* Creating branch to merge ovl_Bg_Ikana_Mirror.

* Fixed the merge from zeldaret/mm. ovl_Bg_Ikana_Mirror OK and documented. PR-ready.

* Applied first batch of fixes from PR comments. Adding co-authors for documentation and a function rewrite.

Co-authored-by: EllipticEllipsis <73679967+EllipticEllipsis@users.noreply.github.com>
Co-authored-by: Derek-Hensley <hensley.derek58@gmail.com>
Co-authored-by: Kelebek1 <eeeedddccc@hotmail.co.uk>

* Renamed the colliders in ovl_Bg_Ikana_Mirror's struct and fixed naming in object file plus spacing cleanups.

* Full rename for data and temps with respect to the mirror's and light rays' respective colliders.

* Update src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.h

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* Update src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.c

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* Update src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.c

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* Update src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.c

Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>

* Formatting needed to be applied after commiting suggestions.

* Renamed more textures and removed unnecessary array sizes in the data.

* Forgot to run formatter.

Co-authored-by: Isghj <42048411+isghj5@users.noreply.github.com>
Co-authored-by: EllipticEllipsis <elliptic.ellipsis@gmail.com>
Co-authored-by: Derek Hensley <hensley.derek58@gmail.com>
Co-authored-by: EllipticEllipsis <73679967+EllipticEllipsis@users.noreply.github.com>
Co-authored-by: Isghj5 <isghj5@gmail.com>
Co-authored-by: mzxrules <mzxrules@gmail.com>
Co-authored-by: Maide <eeeedddccc@hotmail.co.uk>

2 files changed, 349 insertions, 62 deletions

diff --git a/src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.c b/src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.c
index 0a3b7b445..cfa67eb1d 100644
--- a/src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.c
+++ b/src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.c
@@ -2,9 +2,15 @@
  * File: z_bg_ikana_mirror.c
  * Overlay: ovl_Bg_Ikana_Mirror
  * Description: Stone Tower Temple - Mirror
+ *
+ * This mirror absorbs light reflected by the mirror shield or by another mirror of the same kind for a
+ * maximum of 400 frames (20 seconds) to then release light for the same number of frames it was charged. This number
+ * of frames is stored in the actor struct's lightRayCharge field and is updated in the BgIkanaMirror_Wait and
+ * BgIkanaMirror_EmitLight functions both described below.
  */
 
 #include "z_bg_ikana_mirror.h"
+#include "objects/object_ikana_obj/object_ikana_obj.h"
 
 #define FLAGS (ACTOR_FLAG_10)
 
@@ -15,7 +21,11 @@ void BgIkanaMirror_Destroy(Actor* thisx, PlayState* play);
 void BgIkanaMirror_Update(Actor* thisx, PlayState* play);
 void BgIkanaMirror_Draw(Actor* thisx, PlayState* play);
 
-#if 0
+void BgIkanaMirror_SetupWait(BgIkanaMirror* this);
+void BgIkanaMirror_Wait(BgIkanaMirror* this, PlayState* play);
+void BgIkanaMirror_SetupEmitLight(BgIkanaMirror* this);
+void BgIkanaMirror_EmitLight(BgIkanaMirror* this, PlayState* play);
+
 const ActorInit Bg_Ikana_Mirror_InitVars = {
     ACTOR_BG_IKANA_MIRROR,
     ACTORCAT_PROP,
@@ -28,99 +38,371 @@ const ActorInit Bg_Ikana_Mirror_InitVars = {
     (ActorFunc)BgIkanaMirror_Draw,
 };
 
-// static ColliderTrisElementInit sTrisElementsInit[9] = {
-static ColliderTrisElementInit D_80B7FF50[9] = {
+static ColliderTrisElementInit sMirrorColliderElementsInit[] = {
     {
-        { ELEMTYPE_UNK4, { 0x00000000, 0x00, 0x00 }, { 0x00200000, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_NONE, },
-        { { { 0.0f, 21.600000381469727f, 13.699999809265137f }, { -25.299999237060547f, 6.0f, 8.399999618530273f }, { 25.299999237060547f, 6.0f, 8.399999618530273f } } },
+        {
+            ELEMTYPE_UNK4,
+            { 0x00000000, 0x00, 0x00 },
+            { 0x00200000, 0x00, 0x00 },
+            TOUCH_NONE | TOUCH_SFX_NORMAL,
+            BUMP_ON,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 21.6f, 13.7f }, { -25.3f, 6.0f, 8.4f }, { 25.3f, 6.0f, 8.4f } } },
     },
     {
-        { ELEMTYPE_UNK4, { 0x00000000, 0x00, 0x00 }, { 0x00200000, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_NONE, },
-        { { { 0.0f, 45.0f, 13.699999809265137f }, { -25.299999237060547f, 6.0f, 8.399999618530273f }, { 0.0f, 21.600000381469727f, 13.699999809265137f } } },
+        {
+            ELEMTYPE_UNK4,
+            { 0x00000000, 0x00, 0x00 },
+            { 0x00200000, 0x00, 0x00 },
+            TOUCH_NONE | TOUCH_SFX_NORMAL,
+            BUMP_ON,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 45.0f, 13.7f }, { -25.3f, 6.0f, 8.4f }, { 0.0f, 21.6f, 13.7f } } },
     },
     {
-        { ELEMTYPE_UNK4, { 0x00000000, 0x00, 0x00 }, { 0x00200000, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_NONE, },
-        { { { 0.0f, 45.0f, 13.699999809265137f }, { 0.0f, 21.600000381469727f, 13.699999809265137f }, { 25.299999237060547f, 6.0f, 8.399999618530273f } } },
+        {
+            ELEMTYPE_UNK4,
+            { 0x00000000, 0x00, 0x00 },
+            { 0x00200000, 0x00, 0x00 },
+            TOUCH_NONE | TOUCH_SFX_NORMAL,
+            BUMP_ON,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 45.0f, 13.7f }, { 0.0f, 21.6f, 13.7f }, { 25.3f, 6.0f, 8.4f } } },
     },
     {
-        { ELEMTYPE_UNK4, { 0x00000000, 0x00, 0x00 }, { 0x00200000, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_NONE, },
-        { { { 0.0f, 45.0f, 13.699999809265137f }, { -25.299999237060547f, 45.0f, 8.399999618530273f }, { -25.299999237060547f, 6.0f, 8.399999618530273f } } },
+        {
+            ELEMTYPE_UNK4,
+            { 0x00000000, 0x00, 0x00 },
+            { 0x00200000, 0x00, 0x00 },
+            TOUCH_NONE | TOUCH_SFX_NORMAL,
+            BUMP_ON,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 45.0f, 13.7f }, { -25.3f, 45.0f, 8.4f }, { -25.3f, 6.0f, 8.4f } } },
     },
     {
-        { ELEMTYPE_UNK4, { 0x00000000, 0x00, 0x00 }, { 0x00200000, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_NONE, },
-        { { { 0.0f, 45.0f, 13.699999809265137f }, { 25.299999237060547f, 6.0f, 8.399999618530273f }, { 25.299999237060547f, 45.0f, 8.399999618530273f } } },
+        {
+            ELEMTYPE_UNK4,
+            { 0x00000000, 0x00, 0x00 },
+            { 0x00200000, 0x00, 0x00 },
+            TOUCH_NONE | TOUCH_SFX_NORMAL,
+            BUMP_ON,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 45.0f, 13.7f }, { 25.3f, 6.0f, 8.4f }, { 25.3f, 45.0f, 8.4f } } },
     },
     {
-        { ELEMTYPE_UNK4, { 0x00000000, 0x00, 0x00 }, { 0x00200000, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_NONE, },
-        { { { 0.0f, 45.0f, 13.699999809265137f }, { -17.899999618530273f, 64.0999984741211f, 8.399999618530273f }, { -25.299999237060547f, 45.0f, 8.399999618530273f } } },
+        {
+            ELEMTYPE_UNK4,
+            { 0x00000000, 0x00, 0x00 },
+            { 0x00200000, 0x00, 0x00 },
+            TOUCH_NONE | TOUCH_SFX_NORMAL,
+            BUMP_ON,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 45.0f, 13.7f }, { -17.9f, 64.1f, 8.4f }, { -25.3f, 45.0f, 8.4f } } },
     },
     {
-        { ELEMTYPE_UNK4, { 0x00000000, 0x00, 0x00 }, { 0x00200000, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_NONE, },
-        { { { 0.0f, 45.0f, 13.699999809265137f }, { 25.299999237060547f, 45.0f, 8.399999618530273f }, { 17.899999618530273f, 64.0999984741211f, 8.399999618530273f } } },
+        {
+            ELEMTYPE_UNK4,
+            { 0x00000000, 0x00, 0x00 },
+            { 0x00200000, 0x00, 0x00 },
+            TOUCH_NONE | TOUCH_SFX_NORMAL,
+            BUMP_ON,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 45.0f, 13.7f }, { 25.3f, 45.0f, 8.4f }, { 17.9f, 64.1f, 8.4f } } },
     },
     {
-        { ELEMTYPE_UNK4, { 0x00000000, 0x00, 0x00 }, { 0x00200000, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_NONE, },
-        { { { 0.0f, 45.0f, 13.699999809265137f }, { 0.0f, 72.0f, 8.399999618530273f }, { -17.899999618530273f, 64.0999984741211f, 8.399999618530273f } } },
+        {
+            ELEMTYPE_UNK4,
+            { 0x00000000, 0x00, 0x00 },
+            { 0x00200000, 0x00, 0x00 },
+            TOUCH_NONE | TOUCH_SFX_NORMAL,
+            BUMP_ON,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 45.0f, 13.7f }, { 0.0f, 72.0f, 8.4f }, { -17.9f, 64.1f, 8.4f } } },
     },
     {
-        { ELEMTYPE_UNK4, { 0x00000000, 0x00, 0x00 }, { 0x00200000, 0x00, 0x00 }, TOUCH_NONE | TOUCH_SFX_NORMAL, BUMP_ON, OCELEM_NONE, },
-        { { { 0.0f, 45.0f, 13.699999809265137f }, { 17.899999618530273f, 64.0999984741211f, 8.399999618530273f }, { 0.0f, 72.0f, 8.399999618530273f } } },
+        {
+            ELEMTYPE_UNK4,
+            { 0x00000000, 0x00, 0x00 },
+            { 0x00200000, 0x00, 0x00 },
+            TOUCH_NONE | TOUCH_SFX_NORMAL,
+            BUMP_ON,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 45.0f, 13.7f }, { 17.9f, 64.1f, 8.4f }, { 0.0f, 72.0f, 8.4f } } },
     },
 };
 
-// static ColliderTrisInit sTrisInit = {
-static ColliderTrisInit D_80B8016C = {
-    { COLTYPE_NONE, AT_NONE, AC_ON | AC_TYPE_PLAYER | AC_TYPE_OTHER, OC1_NONE, OC2_NONE, COLSHAPE_TRIS, },
-    9, D_80B7FF50, // sTrisElementsInit,
-};
-
-// static ColliderQuadInit sQuadInit = {
-static ColliderQuadInit D_80B8017C = {
-    { COLTYPE_NONE, AT_ON | AT_TYPE_OTHER, AC_NONE, OC1_NONE, OC2_NONE, COLSHAPE_QUAD, },
-    { ELEMTYPE_UNK0, { 0x00200000, 0x00, 0x00 }, { 0x00000000, 0x00, 0x00 }, TOUCH_ON | TOUCH_SFX_NONE, BUMP_NONE, OCELEM_NONE, },
-    { { { 0.0f, 72.0f, 20.0f }, { 0.0f, 72.0f, 240.0f }, { 0.0f, 6.0f, 20.0f }, { 0.0f, 6.0f, 240.0f } } },
+static ColliderTrisInit sMirrorColliderInit = {
+    {
+        COLTYPE_NONE,
+        AT_NONE,
+        AC_ON | AC_TYPE_PLAYER | AC_TYPE_OTHER,
+        OC1_NONE,
+        OC2_NONE,
+        COLSHAPE_TRIS,
+    },
+    ARRAY_COUNT(sMirrorColliderElementsInit),
+    sMirrorColliderElementsInit,
 };
 
-// static ColliderQuadInit sQuadInit = {
-static ColliderQuadInit D_80B801FC = {
-    { 0x41, AT_NONE | AT_TYPE_OTHER, AC_NONE, OC1_NONE, OC2_FIRST_ONLY | OC2_UNK1 | OC2_HIT_PLAYER, 0x70, },
-    { 0xC1, { 0x41A00000, 0x41, 0xA0 }, { 0xC1CA6666, 0x41, 0xA0 }, TOUCH_ON | TOUCH_HIT | TOUCH_SFX_NORMAL | TOUCH_DREW_HITMARK, BUMP_NONE | BUMP_NO_DAMAGE | BUMP_NO_SWORD_SFX | BUMP_NO_HITMARK, OCELEM_NONE, },
-    { { { -1.8339854079840734e-09f, -1.8626939990440405e-09f, -1.9208972190654094e-09f }, { 221185.5625f, 0.0f, 0.003921568859368563f }, { 0.0f, 0.0f, 0.0f }, { 2.8698592549372254e-42f, 1.0761972206014595e-42f, 2.2420775429197073e-44f } } },
+static ColliderQuadInit sLightRaysCollidersInit[] = {
+    {
+        {
+            COLTYPE_NONE,
+            AT_ON | AT_TYPE_OTHER,
+            AC_NONE,
+            OC1_NONE,
+            OC2_NONE,
+            COLSHAPE_QUAD,
+        },
+        {
+            ELEMTYPE_UNK0,
+            { 0x00200000, 0x00, 0x00 },
+            { 0x00000000, 0x00, 0x00 },
+            TOUCH_ON | TOUCH_SFX_NONE,
+            BUMP_NONE,
+            OCELEM_NONE,
+        },
+        { { { 0.0f, 72.0f, 20.0f }, { 0.0f, 72.0f, 240.0f }, { 0.0f, 6.0f, 20.0f }, { 0.0f, 6.0f, 240.0f } } },
+    },
+    {
+        {
+            COLTYPE_NONE,
+            AT_ON | AT_TYPE_OTHER,
+            AC_NONE,
+            OC1_NONE,
+            OC2_NONE,
+            COLSHAPE_QUAD,
+        },
+        {
+            ELEMTYPE_UNK0,
+            { 0x00200000, 0x00, 0x00 },
+            { 0x00000000, 0x00, 0x00 },
+            TOUCH_ON | TOUCH_SFX_NONE,
+            BUMP_NONE,
+            OCELEM_NONE,
+        },
+        { { { 25.3f, 20.0f, 20.0f }, { 25.3f, 20.0f, 240.0f }, { -25.3f, 20.0f, 20.0f }, { -25.3f, 20.0f, 240.0f } } },
+    }
 };
 
-// static InitChainEntry sInitChain[] = {
-static InitChainEntry D_80B8021C[] = {
+static InitChainEntry sInitChain[] = {
     ICHAIN_F32(uncullZoneForward, 4000, ICHAIN_CONTINUE),
     ICHAIN_F32(uncullZoneScale, 220, ICHAIN_CONTINUE),
     ICHAIN_F32(uncullZoneDownward, 200, ICHAIN_CONTINUE),
     ICHAIN_VEC3F_DIV1000(scale, 100, ICHAIN_STOP),
 };
 
-#endif
+void BgIkanaMirror_SetQuadVertices(BgIkanaMirror* this) {
+    ColliderQuadDimInit* dim;
+    ColliderQuad* lightRaysCollider;
+    Vec3f v0;
+    Vec3f v1;
+    Vec3f v2;
+    Vec3f v3;
+    s32 i;
+
+    Matrix_Push();
+    Matrix_SetTranslateRotateYXZ(this->dyna.actor.world.pos.x, this->dyna.actor.world.pos.y,
+                                 this->dyna.actor.world.pos.z, &this->dyna.actor.shape.rot);
+    for (i = 0; i < ARRAY_COUNT(this->lightRaysColliders); i++) {
+        dim = &sLightRaysCollidersInit[i].dim;
+        Matrix_MultVec3f(&dim->quad[0], &v0);
+        Matrix_MultVec3f(&dim->quad[1], &v1);
+        Matrix_MultVec3f(&dim->quad[2], &v2);
+        Matrix_MultVec3f(&dim->quad[3], &v3);
+        lightRaysCollider = &this->lightRaysColliders[i];
+        Collider_SetQuadVertices(lightRaysCollider, &v0, &v1, &v2, &v3);
+    }
+
+    Matrix_Pop();
+}
+
+void BgIkanaMirror_Init(Actor* thisx, PlayState* play2) {
+    PlayState* play = play2;
+    BgIkanaMirror* this = THIS;
+    ColliderTrisElementInit* element;
+    Vec3f vertices[3];
+    s32 i;
+    s32 j;
+
+    Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
+    DynaPolyActor_Init(&this->dyna, 0);
+    DynaPolyActor_LoadMesh(play, &this->dyna, &gStoneTowerTempleMirrorCol);
+    Collider_InitTris(play, &this->mirrorCollider);
+    Collider_SetTris(play, &this->mirrorCollider, &this->dyna.actor, &sMirrorColliderInit,
+                     this->mirrorColliderElements);
+    Matrix_SetTranslateRotateYXZ(this->dyna.actor.world.pos.x, this->dyna.actor.world.pos.y,
+                                 this->dyna.actor.world.pos.z, &this->dyna.actor.shape.rot);
+
+    for (i = 0; i < ARRAY_COUNT(sMirrorColliderElementsInit); i++) {
+        element = &sMirrorColliderInit.elements[i];
+        for (j = 0; j < 3; j++) {
+            Matrix_MultVec3f(&element->dim.vtx[j], &vertices[j]);
+        }
+        Collider_SetTrisVertices(&this->mirrorCollider, i, &vertices[0], &vertices[1], &vertices[2]);
+    }
+
+    for (i = 0; i < ARRAY_COUNT(this->lightRaysColliders); i++) {
+        Collider_InitQuad(play, &this->lightRaysColliders[i]);
+        Collider_SetQuad(play, &this->lightRaysColliders[i], &this->dyna.actor, &sLightRaysCollidersInit[i]);
+    }
+
+    BgIkanaMirror_SetQuadVertices(this);
+    this->lightAbsorptionTexScroll = Lib_SegmentedToVirtual(&gStoneTowerTempleMirrorLightAbsorptionTexAnim);
+    this->lightEmissionTexScroll = Lib_SegmentedToVirtual(&gStoneTowerTempleMirrorLightEmissionTexAnim);
+    BgIkanaMirror_SetupWait(this);
+}
+
+void BgIkanaMirror_Destroy(Actor* thisx, PlayState* play) {
+    BgIkanaMirror* this = THIS;
+    s32 i;
+
+    DynaPoly_DeleteBgActor(play, &play->colCtx.dyna, this->dyna.bgId);
+    Collider_DestroyTris(play, &this->mirrorCollider);
+
+    for (i = 0; i < ARRAY_COUNT(this->lightRaysColliders); i++) {
+        Collider_DestroyQuad(play, &this->lightRaysColliders[i]);
+    }
+}
+
+void BgIkanaMirror_SetupWait(BgIkanaMirror* this) {
+    this->isEmittingLight = 0;
+    this->actionFunc = BgIkanaMirror_Wait;
+}
+
+/**
+ * Charges the mirror with light, increment the alpha value for the light absorption textures and decrement the alpha
+ * value for the light emission textures.
+ */
+void BgIkanaMirror_Wait(BgIkanaMirror* this, PlayState* play) {
+    s8 isEmittingLight;
+    s32 startEmittingLight = false;
+
+    // The light emission texture gradually fades.
+    if (this->lightEmissionAlpha > 100) {
+        this->lightEmissionAlpha -= 100;
+    } else {
+        this->lightEmissionAlpha = 0;
+    }
+
+    // This checks if light is touching the mirror.
+    if (this->mirrorCollider.base.acFlags & AC_HIT) {
+        this->mirrorCollider.base.acFlags &= ~AC_HIT;
+        this->isEmittingLight = 0;
+
+        if (this->lightRayCharge < 400) {
+            this->lightRayCharge++;
+        }
+
+        if (this->lightAbsorptionAlpha < 195) {
+            this->lightAbsorptionAlpha += 60;
+        } else {
+            this->lightAbsorptionAlpha = 255;
+        }
+
+    } else {
+        isEmittingLight = this->isEmittingLight;
+
+        if (isEmittingLight > 0) {
+            startEmittingLight = true;
+        } else if (this->lightRayCharge > 0) {
+            this->isEmittingLight = isEmittingLight + 1;
+        }
+    }
+
+    if (startEmittingLight) {
+        BgIkanaMirror_SetupEmitLight(this);
+    } else {
+        CollisionCheck_SetAC(play, &play->colChkCtx, &this->mirrorCollider.base);
+    }
+}
+
+void BgIkanaMirror_SetupEmitLight(BgIkanaMirror* this) {
+    this->dyna.actor.flags |= ACTOR_FLAG_20;
+    this->actionFunc = BgIkanaMirror_EmitLight;
+}
+
+/**
+ * Depletes the mirror's light and release it, increase alpha value for the light
+ * emission textures and decrease the alpha value for the light absorption textures.
+ */
+void BgIkanaMirror_EmitLight(BgIkanaMirror* this, PlayState* play) {
+    s32 i;
+
+    for (i = 0; i < ARRAY_COUNT(this->lightRaysColliders); i++) {
+        if (this->lightRaysColliders[i].base.atFlags & AT_HIT) {
+            this->lightRaysColliders[i].base.atFlags &= ~AT_HIT;
+        }
+    }
+
+    if (this->lightEmissionAlpha < 155) {
+        this->lightEmissionAlpha += 100;
+    } else {
+        this->lightEmissionAlpha = 255;
+    }
+
+    if (this->lightAbsorptionAlpha > 60) {
+        this->lightAbsorptionAlpha -= 60;
+    } else {
+        this->lightAbsorptionAlpha = 0;
+    }
 
-extern ColliderTrisElementInit D_80B7FF50[9];
-extern ColliderTrisInit D_80B8016C;
-extern ColliderQuadInit D_80B8017C;
-extern ColliderQuadInit D_80B801FC;
-extern InitChainEntry D_80B8021C[];
+    if (this->lightRayCharge > 0) {
+        this->lightRayCharge--;
 
-extern UNK_TYPE D_06001E18;
-extern UNK_TYPE D_06002358;
+        for (i = 0; i < ARRAY_COUNT(this->lightRaysColliders); i++) {
+            CollisionCheck_SetAT(play, &play->colChkCtx, &this->lightRaysColliders[i].base);
+        }
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Bg_Ikana_Mirror/func_80B7F730.s")
+    } else {
+        this->dyna.actor.flags &= ~ACTOR_FLAG_20;
+        BgIkanaMirror_SetupWait(this);
+    }
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Bg_Ikana_Mirror/BgIkanaMirror_Init.s")
+void BgIkanaMirror_Update(Actor* thisx, PlayState* play) {
+    BgIkanaMirror* this = THIS;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Bg_Ikana_Mirror/BgIkanaMirror_Destroy.s")
+    this->actionFunc(this, play);
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Bg_Ikana_Mirror/func_80B7FA84.s")
+void BgIkanaMirror_Draw(Actor* thisx, PlayState* play) {
+    s32 pad;
+    BgIkanaMirror* this = THIS;
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Bg_Ikana_Mirror/func_80B7FA9C.s")
+    OPEN_DISPS(play->state.gfxCtx);
+    func_8012C28C(play->state.gfxCtx);
+    func_8012C2DC(play->state.gfxCtx);
+    gSPMatrix(POLY_OPA_DISP++, Matrix_NewMtx(play->state.gfxCtx), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
+    gSPDisplayList(POLY_OPA_DISP++, gStoneTowerTempleMirrorDL);
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Bg_Ikana_Mirror/func_80B7FB84.s")
+    if (this->lightAbsorptionAlpha > 0) {
+        AnimatedMat_Draw(play, this->lightAbsorptionTexScroll);
+        gDPSetPrimColor(POLY_XLU_DISP++, 0, 0x80, 255, 255, 255, this->lightAbsorptionAlpha);
+        gSPMatrix(POLY_XLU_DISP++, Matrix_NewMtx(play->state.gfxCtx), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
+        gSPDisplayList(POLY_XLU_DISP++, gStoneTowerTempleMirrorLightAbsorptionDL);
+    }
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Bg_Ikana_Mirror/func_80B7FBA4.s")
+    if (this->lightEmissionAlpha > 0) {
+        f32 alphaFraction = this->lightEmissionAlpha * (1.0f / 255.0f);
+        s32 primColorAlpha = (s32)(alphaFraction * 123.0f);
+        s32 envColorAlpha = (s32)(alphaFraction * 185.0f);
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Bg_Ikana_Mirror/BgIkanaMirror_Update.s")
+        AnimatedMat_Draw(play, this->lightEmissionTexScroll);
+        gDPSetPrimColor(POLY_XLU_DISP++, 0, 0x80, 255, 255, 255, primColorAlpha);
+        gDPSetEnvColor(POLY_XLU_DISP++, 215, 215, 255, envColorAlpha);
+        gSPMatrix(POLY_XLU_DISP++, Matrix_NewMtx(play->state.gfxCtx), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
+        gSPDisplayList(POLY_XLU_DISP++, gStoneTowerTempleMirrorLightEmissionDL);
+    }
 
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Bg_Ikana_Mirror/BgIkanaMirror_Draw.s")
+    CLOSE_DISPS(play->state.gfxCtx);
+}
diff --git a/src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.h b/src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.h
index c9f881208..5bd272480 100644
--- a/src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.h
+++ b/src/overlays/actors/ovl_Bg_Ikana_Mirror/z_bg_ikana_mirror.h
@@ -8,12 +8,17 @@ struct BgIkanaMirror;
 typedef void (*BgIkanaMirrorActionFunc)(struct BgIkanaMirror*, PlayState*);
 
 typedef struct BgIkanaMirror {
-    /* 0x0000 */ Actor actor;
-    /* 0x0144 */ char unk_144[0x474];
-    /* 0x05B8 */ BgIkanaMirrorActionFunc actionFunc;
-    /* 0x05BC */ char unk_5BC[0x10];
+    /* 0x000 */ DynaPolyActor dyna;
+    /* 0x15C */ ColliderTris mirrorCollider;
+    /* 0x17C */ ColliderTrisElement mirrorColliderElements[9];
+    /* 0x4B8 */ ColliderQuad lightRaysColliders[2];
+    /* 0x5B8 */ BgIkanaMirrorActionFunc actionFunc;
+    /* 0x5BC */ AnimatedMaterial* lightAbsorptionTexScroll;
+    /* 0x5C0 */ AnimatedMaterial* lightEmissionTexScroll;
+    /* 0x5C4 */ s16 lightRayCharge;
+    /* 0x5C6 */ u8 lightAbsorptionAlpha;
+    /* 0x5C7 */ u8 lightEmissionAlpha;
+    /* 0x5C8 */ s8 isEmittingLight;
 } BgIkanaMirror; // size = 0x5CC
 
-extern const ActorInit Bg_Ikana_Mirror_InitVars;
-
 #endif // Z_BG_IKANA_MIRROR_H