Use new entity struct for octorok boss

include/enemy.h

@@ -190,7 +190,7 @@ void SpinyBeetle(Entity*);
 void MazaalHead(Entity*);
 void MazaalMacro(Entity*);
 void MazaalHand(Entity*);
-void OctorokBoss(Entity*);
+void OctorokBoss();
 void FlyingPot(Entity*);
 void Gibdo(Entity*);
 void OctorokGolden(Entity*);

include/enemy/octorokBoss.h

@@ -0,0 +1,77 @@
+#ifndef ENEMY_OCTOROK_BOSS_H
+#define ENEMY_OCTOROK_BOSS_H
+
+#include "enemy.h"
+
+typedef struct OctorokBossEntity OctorokBossEntity;
+typedef struct {
+    u8 field_0x0; // [0,1,2,4]  is later stored in super->field_0xf
+    u8 tailCount;
+    u8 field_0x2;               // [0,1]
+    u8 targetAngle;             // relates to this->field_0x7a.HALF.HI
+    u8 rotation;                // [0,1,0xff]
+    u8 phase4PrevAttackPattern; // [0-4], sets this->phase4AttackPattern
+    u8 fallingStonesTimer;
+    u8 field_0x7; // some sort of counter that is only set when hit for the first time?
+    OctorokBossEntity* mouthObject;
+    OctorokBossEntity* tailObjects[5];
+    OctorokBossEntity* legObjects[4];
+} OctorokBossHeap;
+static_assert(sizeof(OctorokBossHeap) == 0x30);
+
+struct OctorokBossEntity {
+    Entity base;
+    /*0x68*/ union SplitHWord field_0x68;
+    /*0x6a*/ union SplitHWord field_0x6a;
+    /*0x6c*/ union SplitHWord field_0x6c;
+    /*0x6e*/ union SplitHWord field_0x6e;
+    /*0x70*/ union SplitWord field_0x70;
+    /*0x74*/ u16 unk_74;
+    /*0x76*/ u16 unk_76;
+    /*0x78*/ u8 attackWaitTurns;     /**< Turns until the next attack */
+    /*0x79*/ u8 timer;               /**< Reused timer */
+    /*0x7a*/ union SplitHWord angle; /**< Angle of legs */
+    /*0x7c*/ u8 bossPhase;           /**< Boss Phase
+          0: unfrozen
+          1: frozen 1
+          2: unfrozen
+          3: frozen 2
+          4: unfrozen -> death */
+    /*0x7d*/ u8 currentAttack;
+    /*0x7e*/ u8 nextAttackIndex;
+    /*0x7f*/ u8 unk_7f;
+    /*0x80*/ u8 unk_80;
+    /*0x81*/ u8 phase4AttackPattern; /**< Which attack pattern is currently used in phase 4 */
+    /*0x82*/ union SplitHWord angularSpeed;
+    /*0x84*/ OctorokBossHeap* heap; /**< Heap data allocated with #zMalloc. */
+};
+
+enum OctorokRotation { ROTATION_CW, ROTATION_CCW, NO_ROTATION = 0xff };
+
+enum OctorokBossPart { WHOLE, LEG_BR, LEG_FR, LEG_FL, LEG_BL, MOUTH, TAIL_END, TAIL };
+enum OctorokBossAction {
+    INIT,    // 0
+    ACTION1, // 1
+    HIT,     // 2
+    INTRO,   // 3
+    BURNING, // 4
+};
+
+enum OctorokBossAttack {
+    ATTACK_SPITROCK,      // 0
+    ATTACK_VACUUM,        // 1
+    ATTACK_SMOKE,         // 2
+    ATTACK_FREEZE,        // 3
+    NO_ATTACK,            // 4
+    END_OF_ATTACK_PATTERN // 5
+};
+
+enum OctorokBossAction1SubAction {
+    ACTION1_AIMTOWARDSPLAYER, // Moving around with step sounds
+    ACTION1_WAITFORTURN,      // Also step sounds
+    ACTION1_SUBACTION2,       // Step sounds, some kind of attack that is started in OctorokBoss_StartRegularAttack?
+    ACTION1_WAITFORATTACK,    // Wait for GET_TIMER(), then OctorokBoss_SetWaitTurnsForNextAttack
+    ACTION1_ATTACK,           // Attack
+};
+
+#endif

include/functions.h

@@ -66,6 +66,7 @@ extern void SetDirtTile(u32);
 extern void SetInventoryValue(u32, u32);
 extern void SoundReqClipped(Entity*, u32);
 extern void TryLoadPrologueHyruleTown(void);
+extern void UnloadGFXSlots(Entity*);
 extern void UnloadOBJPalette(Entity*);
 extern void UpdateDisplayControls(void);
 extern void UpdateItemAnim(ItemBehavior*);
@@ -243,7 +244,6 @@ extern void sub_080A57F4(void);
 extern void sub_080A71C4(u32, u32, u32, u32);
 extern void sub_080A7C18(u32, u32, u32);
 extern void sub_080ADD70(void);
-extern void UnloadGFXSlots(Entity*);
 extern bool32 sub_080AE4CC(Entity*, u32, u32, u32);
 extern void sub_080AE58C(Entity*, u32, u32);
 extern void sub_080AF284(void);