decompile WallMaster

1 files changed, 219 insertions, 0 deletions

diff --git a/src/enemy/wallMaster.c b/src/enemy/wallMaster.c
new file mode 100644
index 00000000..8f359f31
--- /dev/null
+++ b/src/enemy/wallMaster.c
@@ -0,0 +1,219 @@
+#include "enemy.h"
+#include "entity.h"
+#include "functions.h"
+#include "area.h"
+
+extern void sub_08001328(Entity*);
+extern Entity* sub_08049DF4(u32);
+extern void DoExitTransition(u32*);
+
+extern u32* gUnk_0813AB1C[];
+
+void sub_0802A78C(Entity*);
+void sub_0802A7D0(Entity*);
+
+extern void (*const gUnk_080CD07C[])(Entity*);
+extern void (*const gUnk_080CD094[])(Entity*);
+extern const s8 gUnk_080CD0B0[];
+
+void WallMaster(Entity* this) {
+    gUnk_080CD07C[GetNextFunction(this)](this);
+    SetChildOffset(this, 0, 1, -0x10);
+}
+
+void sub_0802A434(Entity* this) {
+    sub_0802A78C(this);
+    gUnk_080CD094[this->action](this);
+}
+
+void sub_0802A454(Entity* this) {
+    if (this->damageType != 0x75 && ((this->bitfield & 0x7f) == 0 || (this->bitfield & 0x7f) == 0x1e)) {
+        this->action = 5;
+        this->flags &= ~0x80;
+        this->field_0x7c.HALF.HI = gPlayerEntity.x.HALF.HI;
+        this->field_0x80.HWORD = gPlayerEntity.y.HALF.HI;
+        this->field_0x82.HWORD = gPlayerEntity.height.HALF.HI;
+        if (this->action != 3) {
+            InitializeAnimation(this, 1);
+        }
+    }
+
+    if (this->field_0x42)
+        if (this->field_0x42 > 4)
+            this->field_0x42 -= 4;
+
+    if (this->field_0x43 != 0) {
+        sub_0804A9FC(this, 0x1c);
+    }
+
+    sub_0804AA30(this, gUnk_080CD07C);
+}
+
+void nullsub_142(Entity* this) {
+    /* ... */
+}
+
+void sub_0802A4E4(Entity* this) {
+    sub_0804A720(this);
+    this->action = 1;
+    this->collisionLayer = 3;
+    this->field_0x7c.BYTES.byte1 = Random();
+    this->field_0x7a.HWORD = this->entityType.parameter * 0x3c;
+    this->field_0x7c.BYTES.byte0 = this->actionDelay;
+    this->field_0x78.HWORD = this->actionDelay * 0x3c;
+    UpdateSpriteForCollisionLayer(this);
+    sub_0802A7D0(this);
+}
+
+void sub_0802A534(Entity* this) {
+    if (this->field_0x78.HWORD) {
+        this->field_0x78.HWORD--;
+    } else if (this->field_0x7a.HWORD == 0) {
+        Entity* ent = sub_08049DF4(1);
+        if (ent != NULL) {
+            this->action = 2;
+            this->actionDelay = 0x5a;
+            this->flags |= 0x80;
+            this->spriteSettings.b.draw = 3;
+            this->x.HALF.HI = ent->x.HALF.HI;
+            this->y.HALF.HI = ent->y.HALF.HI;
+            this->height.HALF.HI = -0x80;
+            this->spritePriority.b1 = 1;
+            this->spriteSettings.b.shadow = 2;
+            InitializeAnimation(this, 2);
+            sub_0802A7D0(this);
+        }
+    }
+}
+
+void sub_0802A5B8(Entity* this) {
+    sub_0802A7D0(this);
+    if (this->actionDelay) {
+        if (--this->actionDelay == 0) {
+            EnqueueSFX(0x12d);
+            InitializeAnimation(this, 0);
+        }
+    } else {
+        this->height.HALF.HI += 3;
+        if (-1 < this->height.HALF.HI) {
+            this->action = 3;
+            this->spriteSettings.b.draw = 1;
+            this->height.HALF.HI = 0;
+            InitializeAnimation(this, 1);
+        }
+    }
+}
+
+/* Kids... don't try to optimize code like this... */
+void sub_0802A610(Entity* this) {
+    u32 flags;
+
+    GetNextFrame(this);
+    sub_0802A7D0(this);
+    flags = this->frames.all & 0x80;
+    if (flags) {
+        this->action = 4;
+        this->actionDelay = 0x1e;
+    } else if (this->frames.all & 1) {
+        this->frames.all = flags;
+        this->damageType = 0x75;
+    }
+}
+
+void sub_0802A650(Entity* this) {
+    sub_0802A7D0(this);
+    this->height.HALF.HI -= 2;
+    if (-0xa0 > this->height.HALF.HI) {
+        this->action = 1;
+        this->flags &= ~0x80;
+        this->spriteSettings.b.draw = 0;
+        this->damageType = 0x74;
+        this->field_0x78.HWORD = this->field_0x7c.BYTES.byte0 * 0x3c;
+    }
+}
+
+void sub_0802A69C(Entity* this) {
+    u32 flags;
+
+    sub_0802A7D0(this);
+    gPlayerState.field_0xa |= 0x80;
+    gPlayerState.field_0x1a[0] |= 0x80;
+    gPlayerEntity.x.HALF.HI = this->field_0x7c.HALF.HI;
+    gPlayerEntity.y.HALF.HI = this->field_0x80.HWORD;
+    gPlayerEntity.height.HALF.HI = this->field_0x82.HWORD;
+
+    if (gPlayerEntity.height.HALF.HI != this->height.HALF.HI) {
+        if (gPlayerEntity.height.HALF.HI < this->height.HALF.HI) {
+            this->height.HALF.HI--;
+        } else {
+            this->height.HALF.HI++;
+        }
+    }
+
+    /* sigh... */
+    GetNextFrame(this);
+    flags = this->frames.all & 0x80;
+    if (flags) {
+        this->action = 6;
+        this->actionDelay = 0x1e;
+    } else if (this->frames.all & 0x1) {
+        this->frames.all = flags;
+        this->spriteOffsetY = 3;
+        gPlayerEntity.spriteSettings.b.draw = 0;
+    }
+}
+
+void sub_0802A734(Entity* this) {
+    sub_0802A7D0(this);
+    if (--this->actionDelay == 0) {
+        sub_0805E5A8();
+        DoExitTransition(gUnk_0813AB1C[gArea.regret]);
+    } else {
+        this->height.WORD -= 0x20000;
+        gPlayerState.field_0xa |= 0x80;
+        gPlayerState.field_0x1a[0] |= 0x80;
+    }
+}
+
+void sub_0802A78C(Entity* this) {
+    if (this->action != 0) {
+        if (sub_08049FDC(this, 1)) {
+            if (this->field_0x78.HWORD == 0) {
+                if (this->field_0x7a.HWORD) {
+                    this->field_0x7a.HWORD--;
+                }
+            }
+        } else {
+            this->field_0x7a.HWORD = this->entityType.parameter * 0x3c + 1;
+        }
+    }
+}
+
+void sub_0802A7D0(Entity* this) {
+    u32 unk = gUnk_080CD0B0[(this->field_0x7c.BYTES.byte1++ >> 3) & 7] + 0x100;
+    sub_0805EC9C(this, unk, unk, 0);
+}
+// clang-format off
+void (*const gUnk_080CD07C[])(Entity*) = {
+    sub_0802A434,
+    sub_0802A454,
+    sub_08001328,
+    sub_0804A7D4,
+    sub_08001242,
+    nullsub_142,
+};
+
+void (*const gUnk_080CD094[])(Entity*) = {
+    sub_0802A4E4,
+    sub_0802A534,
+    sub_0802A5B8,
+    sub_0802A610,
+    sub_0802A650,
+    sub_0802A69C,
+    sub_0802A734,
+};
+
+const s8 gUnk_080CD0B0[] = {
+    -2, -4, -2, 0, 2, 4, 2, 0,
+};
+// clang-format on