Decompile itemOnGround.c

src/code_0808091C.c

@@ -5,10 +5,12 @@
 #include "room.h"
 
 extern void sub_0805E5A8();
+extern void sub_08080BC4(void);
 
 extern RoomControls gRoomControls;
 extern u32 gUnk_0200B650;
 extern u32 gUnk_02025EB0;
+extern u8 gUnk_02000070;
 
 extern void DoExitTransition(ScreenTransitionData*);
 extern void sub_080809D4();
@@ -53,7 +55,6 @@ void sub_08080930(void)
 }
 
 u32* GetLayerByIndex(u32 param_1)
-
 {
 
     if (param_1 == 2) {
@@ -64,9 +65,79 @@ u32* GetLayerByIndex(u32 param_1)
 }
 
 void sub_08080964(u16 time, u32 magnitude)
-
 {
     gRoomControls.screenShakeTime = time;
     gRoomControls.screenShakeMagnitude = magnitude & 7;
     return;
 }
+
+void sub_08080974(u32 arg0, u32 arg1) {
+    u32 var0, var1;
+    RoomControls* roomControls = &gRoomControls;
+
+    var0 = roomControls->roomOriginX;
+    if (arg0 <= var0 + 120) {
+        roomControls->roomScrollX = var0;
+    } else {
+        var0 += roomControls->width;
+        var1 = var0 - 120;
+        if (arg0 < var1) {
+            var1 = arg0;
+        }
+        roomControls->roomScrollX = var1 - 120;
+    }
+
+    var0 = roomControls->roomOriginY;
+    if (arg1 <= var0 + 80) {
+        roomControls->roomScrollY = var0;
+    } else {
+        var0 += roomControls->height;
+        var1 = var0 - 80;
+        if (arg1 < var1) {
+            var1 = arg1;
+        }
+        roomControls->roomScrollY = var1 - 80;
+    }
+
+    sub_080809D4();
+    gUnk_02000070 = 1;
+}
+
+void sub_080809D4(void) {
+    register Entity* target asm("r4");
+    int x, y;
+    int var1, var0;
+    RoomControls* roomControls = &gRoomControls;
+    roomControls->unk6 &= 0xFB;
+
+    target = roomControls->cameraTarget;
+    x = target->x.HALF.HI;
+    var0 = roomControls->roomOriginX;
+    if (x <= var0 + 120) {
+        roomControls->roomScrollX = var0;
+    } else {
+        var0 += roomControls->width;
+        var1 = var0 - 120;
+        if (x < var1) {
+            var1 = (u16)target->x.HALF.HI;
+        }
+        roomControls->roomScrollX = var1 - 120;
+    }
+
+    target = roomControls->cameraTarget;
+    y = target->y.HALF.HI;
+    var0 = roomControls->roomOriginY;
+    if (y <= var0 + 80) {
+        roomControls->roomScrollY = var0;
+    } else {
+        var0 += roomControls->height;
+        var1 = var0 - 80;
+        if (y < var1) {
+            var1 = (u16)target->y.HALF.HI;
+        }
+        roomControls->roomScrollY = var1 - 80;
+    }
+
+    sub_08080BC4();
+    gUnk_02000070 = 1;
+}

src/enemy/acroBandits.c

@@ -316,8 +316,8 @@ void sub_08031E48(Entity* this, Entity* child) {
     child->field_0x6c.HALF.LO = this->field_0x6c.HALF.LO;
     child->field_0x70.HALF.LO = this->field_0x70.HALF.LO;
     child->field_0x70.HALF.HI = this->field_0x70.HALF.HI;
-    child->filler4[0] = this->filler4[0];
-    child->filler4[1] = this->filler4[1];
+    child->field_0x6e.HALF.LO = this->field_0x6e.HALF.LO;
+    child->field_0x6e.HALF.HI = this->field_0x6e.HALF.HI;
     child->field_0x7c.WORD = (s32)this;
 }
 

src/enemy/moldworm.c

@@ -186,7 +186,6 @@ void sub_08023330(Entity* this) {
     }
 }
 
-extern u32 GetTileTypeByEntity(Entity*);
 void sub_08023A68(Entity*);
 void sub_08023AB0(Entity*);
 

src/enemy/peahat.c

@@ -12,7 +12,6 @@ extern const s8 gUnk_080CA5D4[];
 void sub_080205F8(Entity*);
 void sub_08020604(Entity*);
 
-extern u32 sub_0800442E(Entity*);
 extern u32 sub_08049F1C(Entity*, Entity*, u32);
 extern void sub_0804AA1C(Entity*);
 

src/enemy/wisp.c

@@ -72,7 +72,7 @@ void sub_08033650(Entity* this) {
 }
 
 void sub_08033658(Entity* this) {
-    sub_0806F4E8();
+    sub_0806F4E8(this);
 }
 
 void sub_08033660(Entity* this) {
@@ -146,4 +146,4 @@ void sub_08033744(Entity* this) {
         }
     }
     this->direction = temp;
-}
+}

src/object/itemOnGround.c

@@ -0,0 +1,442 @@
+#include "global.h"
+#include "entity.h"
+#include "flags.h"
+#include "functions.h"
+#include "player.h"
+
+static void sub_08081150(Entity*);
+static u8 sub_0808147C(u32);
+static void sub_080814A4(Entity*);
+static u32 sub_080814C0(Entity*);
+static void sub_08081500(Entity*);
+static void sub_0808153C(Entity*);
+static void sub_08081598(Entity*);
+static void sub_080813BC(Entity*);
+static void sub_080810FC(Entity*);
+static bool32 CheckShouldPlayItemGetCutscene(Entity*);
+
+extern u32 sub_080002D0(Entity*);
+extern u32 sub_080177A0(Entity*, Entity*);
+extern void GiveItem(u32, u32);
+extern u32 sub_0805E40C(Entity*);
+
+extern void (*const gUnk_0811E7D4[])(Entity*);
+extern void (*const gUnk_0811E7E8[])(Entity*);
+extern void (*const gUnk_0811E814[])(Entity*);
+extern void (*const gUnk_0811E840[])(Entity*);
+extern BoundingBox gUnk_080FD1A8;
+
+typedef struct {
+    u8 unk0[3];
+    u8 unk3;
+    u8 unk4[4];
+} Unk_080FD5B4;
+
+extern const Unk_080FD5B4 gUnk_080FD5B4[];
+
+typedef struct {
+    u8 unk0[2];
+    u16 sfx;
+    u8 unk4;
+    u8 unk5[3];
+} Unk_0811E84C;
+
+extern const Unk_0811E84C gUnk_0811E84C[];
+
+void ItemOnGround(Entity* this) {
+    if (this->bitfield & 0x80) {
+        switch (this->bitfield & 0x7F) {
+            case 20:
+                this->action = 3;
+                this->flags &= 0x7F;
+                this->spriteSettings.b.draw = 1;
+                this->field_0x3c |= 0x10;
+                this->attachedEntity = this->field_0x4c;
+                break;
+            case 0:
+            case 1:
+            case 4:
+            case 5:
+            case 6:
+            case 8:
+            case 9:
+            case 10:
+            case 11:
+            case 12:
+            case 30:
+                sub_08081598(this);
+                break;
+        }
+    }
+
+    if (sub_0806F520(this)) {
+        sub_080813BC(this);
+    } else {
+        gUnk_0811E7D4[this->action](this);
+    }
+
+    if (this->entityType.form == 0x5C) {
+        gRoomVars.field_0x4++;
+    }
+
+    sub_08080CB4(this);
+}
+
+void sub_08080F20(Entity* this) {
+    if (this->field_0x86 && CheckFlags(this->field_0x86)) {
+        DeleteThisEntity();
+    }
+
+    if (this->entityType.form != 0x60) {
+        this->spriteSettings.b.draw = 1;
+        this->spritePriority.b1 = 3;
+        this->spriteSettings.b.shadow = 0;
+        this->damageType = 7;
+        this->field_0x3c = 0x47;
+        this->field_0x40 = 0x44;
+        this->currentHealth = 0xFF;
+        this->boundingBox = &gUnk_080FD1A8;
+        switch (this->entityType.form - 0x3F) {
+            case 0:
+            case 21:
+            case 22:
+            case 23:
+            case 24:
+            case 25:
+            case 29:
+            case 30:
+            case 31:
+            case 32:
+                this->flags2 = 0x17;
+                break;
+            default:
+                this->flags2 = 0x11;
+                break;
+        }
+
+        this->field_0x68.HALF.HI = this->actionDelay;
+        this->field_0x6a.HALF.LO = 0;
+        this->field_0x6c.HWORD = 0;
+        this->field_0x68.HALF.LO = 0;
+        this->actionDelay = 0;
+        sub_0805E3A0(this, 3);
+        this->field_0x1c = sub_0808147C(this->entityType.form);
+        gUnk_0811E7E8[this->field_0x68.HALF.HI](this);
+    } else {
+        Entity* entity = CreateObject(0x40, 0x60, 0);
+        if (entity) {
+            entity->actionDelay = 0;
+            if (this->actionDelay == 1) {
+                entity->entityType.parameter = 2;
+            }
+
+            CopyPosition(this, entity);
+            DeleteThisEntity();
+        }
+    }
+}
+
+static void sub_080810A8(Entity* this) {
+    this->action = 1;
+    sub_080814A4(this);
+    if (this->direction & 0x80) {
+        this->direction &= 0x1F;
+        if (this->nonPlanarMovement == 0) {
+            this->nonPlanarMovement = 0x100;
+        }
+    } else {
+        this->direction |= 0xFF;
+    }
+
+    if (this->field_0x20 == 0) {
+        this->field_0x20 = 0x1E000;
+    }
+
+    if (this->collisionLayer == 2) {
+        sub_08016A30(this);
+    }
+}
+
+static void sub_080810FC(Entity* this) {
+    if (this->entityType.form != 0x5F) {
+        sub_08081598(this);
+    } else {
+        this->action = 2;
+        this->previousActionFlag = 0;
+        this->flags |= 0x80;
+        this->flags2 = 0x11;
+        CopyPosition(&gPlayerEntity, this);
+    }
+}
+
+void sub_08081134(Entity* this) {
+    sub_080814A4(this);
+    this->field_0x6c.HWORD += 80;
+    sub_08081150(this);
+}
+
+static void sub_08081150(Entity* this) {
+    this->action = 2;
+    this->flags |= 0x80;
+    this->height.HALF.HI = -0x80;
+    this->spriteOrientation.flipY = 1;
+    this->spriteRendering.b3 = 1;
+    PlaySFX(0x12D);
+}
+
+static void sub_08081188(Entity* this) {
+    this->action = 2;
+    this->flags |= 0x80;
+    if (this->collisionLayer == 2) {
+        sub_08016A30(this);
+    }
+}
+
+void sub_080811AC(Entity* this) {
+    this->action = 2;
+    this->spriteSettings.b.draw = 0;
+    this->field_0x6e.HWORD = GetTileTypeByEntity(this);
+}
+
+void sub_080811C8(Entity* this) {
+    this->action = 2;
+    this->spriteSettings.b.draw = 0;
+}
+
+void sub_080811D8(Entity* this) {
+    sub_08081188(this);
+    PlaySFX(0x215);
+}
+
+void sub_080811EC(Entity* this) {
+    if (this->field_0x68.HALF.HI != 6) {
+        sub_080AEFE0(this);
+    } else {
+        sub_0806F69C(this);
+    }
+
+    sub_08003FC4(this, 0x2800);
+    if (this->field_0x20 <= 0) {
+        this->action = 2;
+        this->flags |= 0x80;
+        sub_080814A4(this);
+    }
+}
+
+void sub_0808122C(Entity* this) {
+    gUnk_0811E814[this->field_0x68.HALF.HI](this);
+}
+
+void sub_08081248(Entity* this) {
+    sub_08081500(this);
+    if (sub_080814C0(this)) {
+        sub_08081404(this, 0);
+    } else {
+        sub_0800442E(this);
+    }
+}
+
+void sub_0808126C(Entity* this) {
+    UpdateAnimationSingleFrame(this);
+    sub_0808153C(this);
+}
+
+void sub_0808127C(Entity* this) {
+    if (sub_080814C0(this)) {
+        sub_08081404(this, 0);
+    } else {
+        sub_0808153C(this);
+    }
+}
+
+void nullsub_113(Entity* this) {
+}
+
+void sub_080812A0(Entity* this) {
+    sub_08081500(this);
+}
+
+void sub_080812A8(Entity* this) {
+    if (sub_080002D0(this) != 0xF && this->field_0x6e.HWORD != GetTileTypeByEntity(this)) {
+        this->direction = 0;
+        this->nonPlanarMovement = 0;
+        this->spriteSettings.b.draw = 1;
+        this->field_0x68.HALF.HI = 0;
+        sub_080810A8(this);
+    }
+}
+
+void sub_080812E8(Entity* this) {
+    PlayerState* playerState = &gPlayerState;
+    if ((playerState->swimState & 0x80) &&
+        !(playerState->flags.all & 0x80) &&
+        sub_080177A0(this, &gPlayerEntity)) {
+        sub_080810FC(this);
+    }
+}
+
+void nullsub_510(Entity* this) {
+}
+
+void sub_08081328(Entity* this) {
+    Entity* other = this->attachedEntity;
+    if (!(other->entityType.type == 8 && other->entityType.subtype == 3)) {
+        sub_08081404(this, 0);
+    } else {
+        CopyPosition(other, this);
+        this->height.HALF.HI--;
+        other = &gPlayerEntity;
+        if (sub_080177A0(this, other)) {
+            sub_080810FC(this);
+        }
+    }
+}
+
+void sub_0808136C(Entity* this) {
+    if (--this->actionDelay) {
+        Entity* other = this->attachedEntity;
+        this->x.WORD = other->x.WORD;
+        this->y.WORD = other->y.WORD;
+        this->spriteOrientation.flipY = other->spriteOrientation.flipY;
+        this->spriteRendering.b3 = other->spriteRendering.b3;
+        sub_08003FC4(this, 0x2800);
+    } else {
+        sub_08081404(this, 1);
+    }
+}
+
+static void sub_080813BC(Entity* this) {
+    gUnk_0811E840[this->previousActionFlag](this);
+}
+
+void sub_080813D4(Entity* this) {
+    this->previousActionFlag = 1;
+    this->field_0x1d = 1;
+    this->spriteSettings.b.draw = 1;
+}
+
+void sub_080813E8(Entity* this) {
+    sub_0806F4E8(this);
+}
+
+void sub_080813F0(Entity* this) {
+    if (sub_0806F3E4(this)) {
+        sub_080810FC(this);
+    }
+}
+
+void sub_08081404(Entity* this, u32 arg1) {
+    if (arg1 && this->field_0x86) {
+        SetFlag(this->field_0x86);
+    }
+
+    DeleteThisEntity();
+}
+
+bool32 sub_08081420(Entity* this) {
+    if (CheckShouldPlayItemGetCutscene(this)) {
+        sub_0805E3A0(this, 6);
+        CreateItemEntity(this->entityType.form, this->entityType.parameter, 0);
+        return TRUE;
+    } else {
+        GiveItem(this->entityType.form, this->entityType.parameter);
+        return FALSE;
+    }
+}
+
+static bool32 CheckShouldPlayItemGetCutscene(Entity* this) {
+    bool32 result = FALSE;
+    if ((gUnk_080FD5B4[this->entityType.form].unk0[3] & 0x2) || !GetInventoryValue(this->entityType.form)) {
+        result = TRUE;
+    }
+    return result;
+}
+
+static u8 sub_0808147C(u32 arg0) {
+    const Unk_0811E84C* var0 = &gUnk_0811E84C[arg0];
+    return var0->unk4;
+}
+
+void sub_0808148C(u32 arg0) {
+    const Unk_0811E84C* var0 = &gUnk_0811E84C[arg0];
+    if (var0->sfx) {
+        PlaySFX(var0->sfx);
+    }
+}
+
+static void sub_080814A4(Entity* this) {
+    if (this->field_0x68.HALF.HI == 10) {
+        this->field_0x6c.HWORD = 120;
+    } else {
+        this->field_0x6c.HWORD = 600;
+    }
+}
+
+static u32 sub_080814C0(Entity* this) {
+    if (!sub_0805E40C(this)) {
+        if (--this->field_0x6c.HWORD == 0) {
+            return TRUE;
+        }
+
+        if (this->field_0x6c.HWORD < 90) {
+            this->spriteSettings.b.draw ^= 1;
+        }
+    }
+
+    return FALSE;
+}
+
+static void sub_08081500(Entity* this) {
+    if (this->field_0x68.HALF.LO == 0) {
+        u32 var0 = sub_080044EC(this, 0x2800);
+        if (var0 == 0) {
+            this->field_0x68.HALF.LO = 1;
+        } else {
+            if (var0 == 1) {
+                sub_0808148C(this->entityType.form);
+                UpdateSpriteForCollisionLayer(this);
+            }
+
+            sub_080AEFE0(this);
+        }
+    }
+}
+
+static void sub_0808153C(Entity* this) {
+    if (this->field_0x68.HALF.LO > 1)
+        return;
+
+    if (this->field_0x68.HALF.LO == 0) {
+        if (!sub_08003FC4(this, 0x1000) && !sub_0800442E(this)) {
+            this->field_0x68.HALF.LO = 1;
+            this->field_0x20 = 0x1E000;
+            sub_0808148C(this->entityType.form);
+            UpdateSpriteForCollisionLayer(this);
+        }
+    } else {
+        if (!sub_08003FC4(this, 0x2800)) {
+            this->field_0x68.HALF.LO = 2;
+            sub_0808148C(this->entityType.form);
+        }
+    }
+}
+
+static void sub_08081598(Entity* this) {
+    if (this->currentHealth == 0) {
+        sub_08081404(this, 1);
+    }
+
+    this->flags &= 0x7F;
+    this->action = 4;
+    this->actionDelay = 14;
+    this->field_0x20 = 0x20000;
+    this->spriteSettings.b.draw = 1;
+    this->spritePriority.b1 = 2;
+    this->spritePriority.b0 = 3;
+    this->attachedEntity = &gPlayerEntity;
+    CopyPosition(this->attachedEntity, this);
+    this->height.HALF.HI -= 4;
+    if (this->entityType.form != 0x5F && sub_08081420(this)) {
+        sub_08081404(this, 1);
+    }
+}

src/object/pot.c

@@ -18,11 +18,9 @@ extern BoundingBox gUnk_080FD340; // TODO: should be const
 
 extern u32 sub_08016A30(Entity*);
 extern u32 sub_080001DA(u32, u32);
-extern u32 GetTileTypeByEntity(Entity*);
 extern void sub_08078930(Entity*);
 extern u32 sub_080002B8(Entity*);
 extern void sub_08016A6C(Entity*);
-extern u32 sub_0800442E(Entity*);
 
 void Pot(Entity* this) {
     gUnk_0811F090[this->action](this);