Decompile a few functions in objectutils

asm/code_08078778.s

@@ -5113,7 +5113,7 @@ _0807AEA8:
 	bne _0807AEDE
 	adds r0, r4, #0
 	movs r1, #4
-	bl sub_080A2A84
+	bl CreateRandomWaterTrace
 	b _0807AEDE
 	.align 2, 0
 _0807AEC8: .4byte gRoomTransition

asm/non_matching/lilypadLarge/sub_080855E8.inc

@@ -288,7 +288,7 @@ _08085808:
 	cmp r0, #0
 	bne _0808581A
 	adds r0, r7, #0
-	bl sub_080A2AD4
+	bl CreateLargeWaterTrace
 _0808581A:
 	ldr r0, [r7, #0x2c]
 	ldr r1, [r7, #0x6c]

asm/object/object37.s

@@ -63,7 +63,7 @@ sub_0808BE2C: @ 0x0808BE2C
 	adds r0, r2, #0
 	movs r1, #0x58
 	movs r2, #0
-	bl sub_080A2A20
+	bl CreateGroundItem
 	adds r1, r0, #0
 	cmp r1, #0
 	beq _0808BE6C

asm/objectUtils.s

@@ -5,66 +5,7 @@
 
 	.text
 
-	thumb_func_start sub_080A2A84
-sub_080A2A84: @ 0x080A2A84
-	push {r4, r5, r6, r7, lr}
-	adds r5, r1, #0
-	bl CreateWaterTrace
-	adds r6, r0, #0
-	cmp r6, #0
-	beq _080A2AD2
-	bl Random
-	adds r4, r0, #0
-	adds r5, #1
-	adds r1, r5, #0
-	bl __modsi3
-	adds r1, r0, #0
-	lsrs r4, r4, #8
-	movs r7, #1
-	adds r0, r4, #0
-	ands r0, r7
-	cmp r0, #0
-	beq _080A2AB0
-	rsbs r1, r1, #0
-_080A2AB0:
-	ldrh r0, [r6, #0x2e]
-	adds r0, r0, r1
-	strh r0, [r6, #0x2e]
-	lsrs r4, r4, #8
-	adds r0, r4, #0
-	adds r1, r5, #0
-	bl __modsi3
-	adds r1, r0, #0
-	lsrs r4, r4, #8
-	ands r4, r7
-	cmp r4, #0
-	beq _080A2ACC
-	rsbs r1, r1, #0
-_080A2ACC:
-	ldrh r0, [r6, #0x32]
-	adds r0, r0, r1
-	strh r0, [r6, #0x32]
-_080A2AD2:
-	pop {r4, r5, r6, r7, pc}
 
-	thumb_func_start sub_080A2AD4
-sub_080A2AD4: @ 0x080A2AD4
-	push {lr}
-	movs r1, #0x21
-	movs r2, #0
-	bl CreateFx
-	adds r2, r0, #0
-	cmp r2, #0
-	beq _080A2AF0
-	adds r3, r2, #0
-	adds r3, #0x29
-	ldrb r0, [r3]
-	movs r1, #7
-	orrs r0, r1
-	strb r0, [r3]
-_080A2AF0:
-	adds r0, r2, #0
-	pop {pc}
 
 	thumb_func_start sub_080A2AF4
 sub_080A2AF4: @ 0x080A2AF4
@@ -73,7 +14,7 @@ sub_080A2AF4: @ 0x080A2AF4
 	push {r7}
 	adds r5, r1, #0
 	adds r4, r2, #0
-	bl sub_080A2AD4
+	bl CreateLargeWaterTrace
 	adds r6, r0, #0
 	cmp r6, #0
 	beq _080A2B74

include/functions.h

@@ -198,9 +198,9 @@ extern void sub_0809EABC(Entity*);
 extern void sub_0809EAD8(Entity*);
 extern void sub_0809EB30(Entity*);
 extern void sub_080A1ED0(u32, u32, u32);
-extern Entity* sub_080A2A20(Entity*, u32, u32);
+extern Entity* CreateGroundItem(Entity*, u32, u32);
-extern Entity* sub_080A2A3C(Entity*, u32, u32, u32);
+extern Entity* CreateGroundItemWithFlags(Entity*, u32, u32, u32);
-extern Entity* sub_080A2AD4(Entity*);
+extern Entity* CreateLargeWaterTrace(Entity*);
 extern void sub_080A2AF4(Entity*, u32, u32);
 extern void sub_080A2CC0(Entity*, Entity**, u16*);
 extern void sub_080A57F4(void);

src/object/bigIceBlock.c

@@ -91,7 +91,7 @@ void BigIceBlock_Action2(BigIceBlockEntity* this) {
         if (super->type != 2) {
             SetFlag(this->unk_86);
         } else {
-            sub_080A2A3C(super, 0x53, 0, this->unk_86);
+            CreateGroundItemWithFlags(super, 0x53, 0, this->unk_86);
         }
     }
     super->action = 3;

src/object/object68.c

@@ -66,7 +66,7 @@ void sub_08094774(Object68Entity* this) {
             }
             break;
         case 2:
-            child = sub_080A2A20(&gPlayerEntity, 0x60, 0);
+            child = CreateGroundItem(&gPlayerEntity, 0x60, 0);
             super->child = child;
             if (child != NULL) {
                 child->actionDelay = 1;

src/object/smallIceBlock.c

@@ -138,10 +138,10 @@ void SmallIceBlock_Action3(SmallIceBlockEntity* this) {
     }
     sub_0805EC9C(super, 0x100, gUnk_08123748[super->actionDelay >> 5], 0);
     if (super->type == 1) {
-        sub_080A2A3C(super, 0x53, 0, this->unk_86);
+        CreateGroundItemWithFlags(super, 0x53, 0, this->unk_86);
         SoundReq(SFX_SECRET);
     } else if (super->type == 2) {
-        sub_080A2A3C(super, 0x52, 0, this->unk_86);
+        CreateGroundItemWithFlags(super, 0x52, 0, this->unk_86);
         SoundReq(SFX_SECRET);
     }
     super->action = 4;

src/objectUtils.c

@@ -97,20 +97,20 @@ u32 LoadObjectSprite(Entity* this, s32 type, const ObjectDefinition* definition)
     return 2;
 }
 
-Entity* CreateObject(u32 subtype, u32 form, u32 parameter) {
+Entity* CreateObject(u32 subtype, u32 form, u32 type2) {
     Entity* entity = GetEmptyEntity();
     if (entity != NULL) {
         entity->kind = OBJECT;
         entity->id = subtype;
         entity->type = form;
-        entity->type2 = parameter;
+        entity->type2 = type2;
         AppendEntityToList(entity, 6);
     }
     return entity;
 }
 
-Entity* CreateObjectWithParent(Entity* parent, u32 subtype, u32 form, u32 parameter) {
+Entity* CreateObjectWithParent(Entity* parent, u32 subtype, u32 form, u32 type2) {
-    Entity* entity = CreateObject(subtype, form, parameter);
+    Entity* entity = CreateObject(subtype, form, type2);
     if (entity != NULL) {
         entity->parent = parent;
         CopyPosition(parent, entity);
@@ -150,23 +150,23 @@ void CreateWaterSplash(Entity* parent) {
     CreateFx(parent, FX_WATER_SPLASH, 0);
 }
 
-Entity* sub_080A2A20(Entity* parent, u32 form, u32 parameter) {
+Entity* CreateGroundItem(Entity* parent, u32 form, u32 subtype) {
     Entity* ent;
 
-    ent = CreateObjectWithParent(parent, GROUND_ITEM, form, parameter);
+    ent = CreateObjectWithParent(parent, GROUND_ITEM, form, subtype);
     if (ent != NULL) {
         ent->actionDelay = 5;
     }
     return ent;
 }
 
-Entity* sub_080A2A3C(Entity* parent, u32 form, u32 subtype, u32 param_4) {
+Entity* CreateGroundItemWithFlags(Entity* parent, u32 form, u32 subtype, u32 flags) {
     Entity* ent;
 
     ent = CreateObjectWithParent(parent, GROUND_ITEM, form, subtype);
     if (ent != NULL) {
         ent->actionDelay = 5;
-        ent->field_0x86.HWORD = param_4;
+        ent->field_0x86.HWORD = flags;
     }
     return ent;
 }
@@ -180,3 +180,37 @@ Entity* CreateWaterTrace(Entity* parent) {
     }
     return ent;
 }
+
+void CreateRandomWaterTrace(Entity* parent, int range) {
+    s32 sVar1, sVar2, sVar3;
+    Entity* ent;
+    u32 uVar3;
+
+    ent = CreateWaterTrace(parent);
+    if (ent != NULL) {
+        uVar3 = Random();
+        sVar1 = (int)uVar3 % (++range);
+        uVar3 >>= 8;
+        if ((uVar3 & 1) != 0) {
+            sVar1 = -sVar1;
+        }
+        ent->x.HALF.HI += sVar1;
+        uVar3 >>= 8;
+        sVar2 = (int)uVar3 % range;
+        uVar3 >>= 8;
+        if ((uVar3 & 1) != 0) {
+            sVar2 = -sVar2;
+        }
+        ent->y.HALF.HI += sVar2;
+    }
+}
+
+Entity* CreateLargeWaterTrace(Entity* parent) {
+    Entity* ent;
+
+    ent = CreateFx(parent, FX_RIPPLE_LARGE, 0);
+    if (ent != NULL) {
+        ent->spritePriority.b0 = 7;
+    }
+    return ent;
+}