From 3649a3e01698ef22e00740ace4a72bef90d89af0 Mon Sep 17 00:00:00 2001
From: octorock <79596758+octorock@users.noreply.github.com>
Date: Sat, 5 Feb 2022 23:00:30 +0100
Subject: Decompile Armos

---
 src/enemy/armos.c                 | 355 ++++++++++++++++++++++++++++++++++++++
 src/enemy/helmasaur.c             |   1 -
 src/enemy/leever.c                |   2 -
 src/enemy/octorokGolden.c         |   1 -
 src/enemy/sensorBladeTrap.c       |   2 +-
 src/npc/npc5.c                    |   1 -
 src/object/objectB2.c             |   2 -
 src/projectile/guardLineOfSight.c |   1 -
 8 files changed, 356 insertions(+), 9 deletions(-)
 create mode 100644 src/enemy/armos.c

(limited to 'src')

diff --git a/src/enemy/armos.c b/src/enemy/armos.c
new file mode 100644
index 00000000..c2df4d80
--- /dev/null
+++ b/src/enemy/armos.c
@@ -0,0 +1,355 @@
+/**
+ * @file armos.c
+ * @ingroup Enemies
+ *
+ * @brief Armos enemy
+ */
+
+#define NENT_DEPRECATED
+#include "global.h"
+#include "enemy.h"
+#include "functions.h"
+
+typedef struct {
+    /*0x00*/ Entity base;
+    /*0x68*/ u8 unk_68[0x10];
+    /*0x78*/ u16 unk_78;
+    /*0x7a*/ u16 unk_7a;
+    /*0x7c*/ ScreenTransitionData* unk_7c;
+    /*0x80*/ u8 unk_80;
+    /*0x81*/ u8 unk_81;
+    /*0x82*/ u8 unk_82;
+    /*0x83*/ u8 unk_83;
+    /*0x84*/ u32 unk_84;
+} ArmosEntity;
+
+extern Hitbox gUnk_080FD2F0;
+extern Hitbox gHitbox_15;
+extern Entity* gUnk_020000B0;
+extern Entity gUnk_02027EB4;
+extern Entity gUnk_0200D654;
+
+extern void (*const gUnk_080CE124[])(ArmosEntity*);
+extern void (*const gUnk_080CE13C[])(ArmosEntity*);
+extern const u8 gUnk_080CE160[];
+extern const s8 gUnk_080CE164[];
+
+void sub_08030150(ArmosEntity*);
+void sub_080309C8(ArmosEntity*, u32);
+void sub_080309E8(ArmosEntity*);
+void sub_08030580(ArmosEntity*);
+void sub_080307EC(ArmosEntity*);
+bool32 sub_0803086C(ArmosEntity*);
+bool32 sub_08030650(ArmosEntity*);
+void sub_080309A8(ArmosEntity*);
+void sub_08030834(ArmosEntity*);
+void sub_080306C4(ArmosEntity*);
+void sub_08030A04(ArmosEntity*);
+bool32 sub_080305BC(ArmosEntity*);
+void sub_080307D4(ArmosEntity*);
+void sub_08030590(ArmosEntity*);
+
+void Armos(ArmosEntity* this) {
+    EnemyFunctionHandler(super, (EntityActionArray)&gUnk_080CE124);
+    SetChildOffset(super, 0, 1, -0x10);
+    sub_08030150(this);
+}
+
+void sub_080301BC(ArmosEntity* this) {
+    gUnk_080CE13C[super->action](this);
+}
+
+void sub_080301D4(ArmosEntity* this) {
+    if ((super->action == 1) && (super->field_0x4c == &gPlayerEntity)) {
+        super->iframes = -0x1e;
+    }
+    if ((super->health != 0) && (super->health != this->unk_81)) {
+        super->action = 8;
+        sub_080309C8(this, 6);
+        sub_080309E8(this);
+    }
+    if (super->field_0x43 != 0) {
+        sub_0804A9FC(super, 0x1c);
+    }
+    this->unk_81 = super->health;
+    sub_0804AA30(super, gUnk_080CE124);
+}
+
+void sub_08030240(ArmosEntity* this) {
+    if (super->animIndex == 6) {
+        if ((super->frame & 0x80) == 0) {
+            GetNextFrame(super);
+        }
+    }
+    sub_08001242(super);
+}
+
+void nullsub_17(ArmosEntity* this) {
+}
+
+void sub_0803026C(ArmosEntity* this) {
+    u16* ptr;
+    sub_0804A720(super);
+    this->unk_80 = super->actionDelay;
+    ptr = &gRoomTransition.armos_data.data[this->unk_80 * 2];
+    if (ptr[0] != 0) {
+        super->x.HALF.HI = ptr[0];
+        super->y.HALF.HI = ptr[1];
+        this->unk_84 = (gRoomTransition.armos_data.field_0xac >> this->unk_80) & 1;
+    } else {
+        this->unk_84 = (0x47d >> this->unk_80) & 1;
+    }
+    if (super->type2 != 0) {
+        this->unk_7c = (ScreenTransitionData*)GetCurrentRoomProperty(super->type2);
+    }
+    this->unk_81 = super->health;
+    sub_08030580(this);
+    sub_080307EC(this);
+    if (this->unk_80 == 2 && gRoomControls.origin_y + 0x80 < super->y.HALF.HI) {
+        super->action = 7;
+        sub_080309C8(this, 7);
+    }
+}
+
+void sub_0803030C(ArmosEntity* this) {
+    if (sub_0803086C(this) == 0 && this->unk_84 != 0 && sub_08030650(this)) {
+        super->action = 2;
+        super->subAction = 0;
+    }
+}
+
+void sub_08030338(ArmosEntity* this) {
+    u8 bVar2;
+    u32 uVar3;
+
+    if (this->unk_80 != 2) {
+        sub_080309A8(this);
+    } else {
+        UpdateAnimationVariableFrames(super, 3);
+        if ((this->unk_84 != 0) && (super->frameIndex == 0x25)) {
+            super->frameIndex = 0x19;
+        }
+    }
+    if (super->frame == 1) {
+        if (super->subAction == 0) {
+            super->subAction = 1;
+        }
+        uVar3 = super->actionDelay + 1;
+        super->actionDelay = (u8)uVar3;
+        if ((uVar3 & 1) == 0) {
+            return;
+        }
+        super->spriteOffsetX = gUnk_080CE160[(uVar3 & 6) >> 1];
+    } else {
+        if (super->frame == 2) {
+            super->frame = 0;
+            if (this->unk_80 != 2) {
+                super->flags2 = 0xb;
+                super->hitType = 8;
+                super->hitbox = (Hitbox*)&gUnk_080FD2F0;
+            }
+            sub_08030834(this);
+            EnqueueSFX(SFX_12A);
+            return;
+        }
+        bVar2 = super->frame & 0x80;
+        if ((super->frame & 0x80) != 0) {
+            if (this->unk_80 != 2) {
+                super->action = 3;
+                super->animationState = 0xff;
+                this->unk_7a = 600;
+                this->unk_82 = 0;
+                sub_080306C4(this);
+                sub_080309E8(this);
+                return;
+            }
+            super->action = 6;
+            super->actionDelay = 0x1a;
+            super->speed = 0x300;
+            super->direction = 0x10;
+            return;
+        } else {
+            super->spriteOffsetX = bVar2;
+        }
+    }
+}
+
+void sub_08030430(ArmosEntity* this) {
+    sub_08030A04(this);
+    if (0x100 < super->speed) {
+        GetNextFrame(super);
+    }
+    sub_080309A8(this);
+    if (this->unk_7a != 0) {
+        this->unk_7a--;
+    }
+    if (--super->actionDelay == 0) {
+        sub_080306C4(this);
+    }
+}
+
+void sub_08030474(ArmosEntity* this) {
+    if (--super->actionDelay == 0) {
+        super->action = 3;
+        super->actionDelay = 1;
+        this->unk_7a = 0x3c;
+        sub_080309E8(this);
+    } else {
+        if (sub_080305BC(this)) {
+            sub_08030590(this);
+        } else {
+            sub_080307D4(this);
+            sub_080309A8(this);
+        }
+    }
+}
+
+NONMATCH("asm/non_matching/armos/sub_080304BC.inc", void sub_080304BC(ArmosEntity* this)) {
+    u32 tmp;
+
+    sub_080309A8(this);
+    tmp = super->frame & 0x80;
+    if (tmp != 0) {
+        sub_08030580(this);
+    } else {
+        if (super->frame == 1) {
+            super->frame = tmp;
+            EnqueueSFX(SFX_12A);
+        }
+    }
+}
+END_NONMATCH
+
+void sub_080304F4(ArmosEntity* this) {
+    LinearMoveUpdate(super);
+    sub_080309A8(this);
+    if (--super->actionDelay == 0) {
+        super->action = 7;
+        sub_080309C8(this, 5);
+        sub_080307EC(this);
+    }
+}
+
+void sub_08030524(ArmosEntity* this) {
+    if ((super->frame & 0x80) == 0) {
+        sub_080309A8(this);
+    } else if (super->frame == 1) {
+        super->frame = 0;
+        EnqueueSFX(SFX_12A);
+    }
+}
+
+void sub_08030554(ArmosEntity* this) {
+    sub_080309A8(this);
+    if ((super->frame & 0x80) != 0) {
+        super->action = 3;
+        sub_080309C8(this, (u32)super->animationState);
+        sub_080306C4(this);
+    }
+}
+
+void sub_08030580(ArmosEntity* this) {
+    super->action = 1;
+    sub_080309C8(this, 4);
+}
+
+void sub_08030590(ArmosEntity* this) {
+    super->action = 5;
+    super->flags2 = 1;
+    super->hitType = 1;
+    super->hitbox = (Hitbox*)&gHitbox_15;
+    sub_080309C8(this, 5);
+    sub_080307EC(this);
+}
+
+ASM_FUNC("asm/non_matching/armos/sub_080305BC.inc", bool32 sub_080305BC(ArmosEntity* this))
+
+bool32 sub_08030650(ArmosEntity* this) {
+    if (super->type == 0) {
+        if (super->bitfield == 0x80) {
+            return 1;
+        }
+    } else if (this->unk_80 != 2) {
+        if ((sub_08049FDC(super, 1) == 0) || (0x20 < (gUnk_020000B0->x.HALF.HI - super->x.HALF.HI) + 0x10U)) {
+            return FALSE;
+        }
+        return TRUE;
+    } else {
+        if (sub_08049FDC(super, 1) == 0) {
+            return FALSE;
+        }
+        if (gUnk_020000B0->x.HALF.HI >= (s32)(gRoomControls.origin_x + 0xa8)) {
+            return FALSE;
+        }
+        return TRUE;
+    }
+    return FALSE;
+}
+
+ASM_FUNC("asm/non_matching/armos/sub_080306C4.inc", void sub_080306C4(ArmosEntity* this))
+
+void sub_080307D4(ArmosEntity* this) {
+    u8 tmp = super->direction >> 3;
+    if (tmp != super->animationState) {
+        super->animationState = tmp;
+        sub_080309C8(this, tmp);
+    }
+}
+
+void sub_080307EC(ArmosEntity* this) {
+    u32 position = COORD_TO_TILE(super);
+    this->unk_78 = GetTileIndex(position, super->collisionLayer);
+    SetTile(0x4022, position, (u32)super->collisionLayer);
+}
+
+void sub_08030834(ArmosEntity* this) {
+    SetTile(this->unk_78, COORD_TO_TILE(super), super->collisionLayer);
+}
+
+ASM_FUNC("asm/non_matching/armos/sub_0803086C.inc", bool32 sub_0803086C(ArmosEntity* this))
+
+void sub_080309A8(ArmosEntity* this) {
+    GetNextFrame(super);
+    if ((this->unk_84 != 0) && (super->frameIndex == 0x25)) {
+        super->frameIndex = 0x19;
+    }
+}
+
+void sub_080309C8(ArmosEntity* this, u32 param_2) {
+    InitializeAnimation(super, param_2);
+    if ((this->unk_84 != 0) && (super->frameIndex == 0x25)) {
+        super->frameIndex = 0x19;
+    }
+}
+
+void sub_080309E8(ArmosEntity* this) {
+    if (super->health < 5) {
+        super->speed = 0x120;
+    } else if (super->health <= 8) {
+        super->speed = 0xe0;
+    }
+}
+
+void sub_08030A04(ArmosEntity* this) {
+    ProcessMovement(super);
+    if ((super->frame & 1) != 0) {
+        super->frame = super->frame & 0xfe;
+        EnqueueSFX(SFX_101);
+    }
+}
+
+void (*const gUnk_080CE124[])(ArmosEntity*) = {
+    sub_080301BC, sub_080301D4, (void (*)(ArmosEntity*))sub_08001324, (void (*)(ArmosEntity*))sub_0804A7D4,
+    sub_08030240, nullsub_17,
+};
+void (*const gUnk_080CE13C[])(ArmosEntity*) = {
+    sub_0803026C, sub_0803030C, sub_08030338, sub_08030430, sub_08030474,
+    sub_080304BC, sub_080304F4, sub_08030524, sub_08030554,
+};
+const u8 gUnk_080CE160[] = {
+    255,
+    0,
+    1,
+    0,
+};
+const s8 gUnk_080CE164[] = { 0, -7, 7, 0, 0, 7, -7, 0 };
diff --git a/src/enemy/helmasaur.c b/src/enemy/helmasaur.c
index be7f9dad..5aeca1ca 100644
--- a/src/enemy/helmasaur.c
+++ b/src/enemy/helmasaur.c
@@ -11,7 +11,6 @@
 
 extern void sub_08008796(Entity*, u32, u32, u32);
 extern u32 sub_0804A024(Entity*, u32, u32);
-extern bool32 sub_080AE4CC(Entity*, u32, u32, u32);
 
 extern Entity gUnk_0200D654;
 extern Entity gUnk_02027EB4;
diff --git a/src/enemy/leever.c b/src/enemy/leever.c
index 3f33914b..df9542f0 100644
--- a/src/enemy/leever.c
+++ b/src/enemy/leever.c
@@ -163,8 +163,6 @@ bool32 Leever_PlayerInRange(Entity* ent, s32 arg2) {
     }
 }
 
-extern u32 sub_0800132C(Entity*, Entity*);
-
 void Leever_Move(Entity* this) {
     if (sub_08049FDC(this, 1) == 0) {
         this->field_0x74.HWORD = 1;
diff --git a/src/enemy/octorokGolden.c b/src/enemy/octorokGolden.c
index bcad77be..60137119 100644
--- a/src/enemy/octorokGolden.c
+++ b/src/enemy/octorokGolden.c
@@ -10,7 +10,6 @@ const u8 gUnk_080CF498[];
 
 extern u16* GetLayerByIndex(u32);
 extern s32 sub_080012DC(Entity*);
-extern bool32 sub_080AE4CC(Entity*, u32, u32, u32);
 extern u32 sub_0804A044(Entity*, Entity*, u32);
 
 void sub_08037E14(Entity* this);
diff --git a/src/enemy/sensorBladeTrap.c b/src/enemy/sensorBladeTrap.c
index 77af113a..2c8c4ecf 100644
--- a/src/enemy/sensorBladeTrap.c
+++ b/src/enemy/sensorBladeTrap.c
@@ -6,9 +6,9 @@
  */
 
 #include "enemy.h"
+#include "functions.h"
 
 extern u32 sub_0804A024(Entity*, u32, u32);
-extern bool32 sub_080AE4CC(Entity*, u32, u32, u32);
 extern bool32 sub_080AF038(Entity*);
 
 extern Entity gUnk_02027EB4;
diff --git a/src/npc/npc5.c b/src/npc/npc5.c
index c7640746..3ffa94fb 100644
--- a/src/npc/npc5.c
+++ b/src/npc/npc5.c
@@ -41,7 +41,6 @@ u32 PointInsideRadius(s32, s32, s32);
 
 extern Entity gUnk_0200D654;
 extern Entity gUnk_02027EB4;
-extern bool32 sub_080AE4CC(Entity*, u32, u32, u32);
 
 extern u32 sub_080AF1EC(Entity*);
 u32 sub_080611D4(Entity*);
diff --git a/src/object/objectB2.c b/src/object/objectB2.c
index b40c73b6..1e5f0b58 100644
--- a/src/object/objectB2.c
+++ b/src/object/objectB2.c
@@ -2,8 +2,6 @@
 #include "entity.h"
 #include "functions.h"
 
-extern u32 sub_080AE4CC(Entity*, u32, u32, u32);
-
 extern void* gUnk_02027EB4;
 extern void* gUnk_0200D654;
 
diff --git a/src/projectile/guardLineOfSight.c b/src/projectile/guardLineOfSight.c
index 9d8472f3..909530b4 100644
--- a/src/projectile/guardLineOfSight.c
+++ b/src/projectile/guardLineOfSight.c
@@ -5,7 +5,6 @@
 #include "projectile.h"
 
 extern u32 sub_080644C8(Entity*);
-extern bool32 sub_080AE4CC(Entity*, u32, u32, u32);
 extern Entity gUnk_02027EB4;
 extern const Hitbox gUnk_080FD1E4;
 
-- 
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