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-rw-r--r--asm/field_effect.s199
-rw-r--r--data/field_effect_scripts.s2
-rw-r--r--src/field_effect.c64
3 files changed, 65 insertions, 200 deletions
diff --git a/asm/field_effect.s b/asm/field_effect.s
index b955fe12c..3c633130e 100644
--- a/asm/field_effect.s
+++ b/asm/field_effect.s
@@ -5,205 +5,6 @@
.text
- thumb_func_start sub_8087924
-sub_8087924: @ 8087924
- push {r4-r7,lr}
- sub sp, 0x4
- ldr r7, _080879C4 @ =gFieldEffectArguments
- ldrb r0, [r7]
- ldrb r1, [r7, 0x4]
- ldrb r2, [r7, 0x8]
- mov r3, sp
- bl TryGetObjectEventIdByLocalIdAndMap
- lsls r0, 24
- cmp r0, 0
- bne _080879BA
- mov r0, sp
- ldrb r0, [r0]
- lsls r4, r0, 3
- adds r4, r0
- lsls r4, 2
- ldr r0, _080879C8 @ =gObjectEvents
- adds r4, r0
- movs r0, 0x10
- ldrsh r5, [r4, r0]
- subs r5, 0x7
- movs r0, 0x12
- ldrsh r6, [r4, r0]
- subs r6, 0x7
- ldr r1, [r7, 0xC]
- subs r5, r1, r5
- lsls r5, 4
- ldr r2, [r7, 0x10]
- subs r6, r2, r6
- lsls r6, 4
- adds r1, 0x7
- lsls r1, 16
- asrs r1, 16
- adds r2, 0x7
- lsls r2, 16
- asrs r2, 16
- adds r0, r4, 0
- bl npc_coords_shift
- ldr r0, _080879CC @ =sub_80879D8
- movs r1, 0x50
- bl CreateTask
- lsls r0, 24
- lsrs r0, 24
- ldr r1, _080879D0 @ =gTasks
- lsls r2, r0, 2
- adds r2, r0
- lsls r2, 3
- adds r2, r1
- ldrb r0, [r4, 0x4]
- strh r0, [r2, 0xA]
- ldr r3, _080879D4 @ =gSprites
- ldrb r1, [r4, 0x4]
- lsls r0, r1, 4
- adds r0, r1
- lsls r0, 2
- adds r0, r3
- ldrh r0, [r0, 0x20]
- adds r0, r5
- strh r0, [r2, 0xC]
- ldrb r1, [r4, 0x4]
- lsls r0, r1, 4
- adds r0, r1
- lsls r0, 2
- adds r0, r3
- ldrh r0, [r0, 0x22]
- adds r0, r6
- strh r0, [r2, 0xE]
- ldr r0, [r7, 0x14]
- strh r0, [r2, 0x18]
- mov r0, sp
- ldrb r0, [r0]
- strh r0, [r2, 0x1A]
-_080879BA:
- movs r0, 0
- add sp, 0x4
- pop {r4-r7}
- pop {r1}
- bx r1
- .align 2, 0
-_080879C4: .4byte gFieldEffectArguments
-_080879C8: .4byte gObjectEvents
-_080879CC: .4byte sub_80879D8
-_080879D0: .4byte gTasks
-_080879D4: .4byte gSprites
- thumb_func_end sub_8087924
-
- thumb_func_start sub_80879D8
-sub_80879D8: @ 80879D8
- push {r4-r7,lr}
- lsls r0, 24
- lsrs r7, r0, 24
- lsls r0, r7, 2
- adds r0, r7
- lsls r0, 3
- ldr r1, _08087A04 @ =gTasks+0x8
- adds r5, r0, r1
- movs r0, 0x2
- ldrsh r1, [r5, r0]
- lsls r0, r1, 4
- adds r0, r1
- lsls r0, 2
- ldr r1, _08087A08 @ =gSprites
- adds r6, r0, r1
- movs r1, 0
- ldrsh r0, [r5, r1]
- cmp r0, 0
- beq _08087A0C
- cmp r0, 0x1
- beq _08087A4A
- b _08087AA8
- .align 2, 0
-_08087A04: .4byte gTasks+0x8
-_08087A08: .4byte gSprites
-_08087A0C:
- ldrh r0, [r6, 0x20]
- lsls r0, 4
- strh r0, [r5, 0x8]
- ldrh r0, [r6, 0x22]
- lsls r0, 4
- strh r0, [r5, 0xA]
- movs r2, 0x4
- ldrsh r0, [r5, r2]
- lsls r0, 4
- movs r2, 0x8
- ldrsh r1, [r5, r2]
- subs r0, r1
- movs r2, 0x10
- ldrsh r1, [r5, r2]
- bl __divsi3
- strh r0, [r5, 0xC]
- movs r1, 0x6
- ldrsh r0, [r5, r1]
- lsls r0, 4
- movs r2, 0xA
- ldrsh r1, [r5, r2]
- subs r0, r1
- movs r2, 0x10
- ldrsh r1, [r5, r2]
- bl __divsi3
- strh r0, [r5, 0xE]
- ldrh r0, [r5]
- adds r0, 0x1
- strh r0, [r5]
-_08087A4A:
- ldrh r1, [r5, 0x10]
- movs r2, 0x10
- ldrsh r0, [r5, r2]
- cmp r0, 0
- beq _08087A78
- subs r0, r1, 0x1
- strh r0, [r5, 0x10]
- ldrh r1, [r5, 0xC]
- ldrh r0, [r5, 0x8]
- adds r1, r0
- strh r1, [r5, 0x8]
- ldrh r0, [r5, 0xE]
- ldrh r2, [r5, 0xA]
- adds r0, r2
- strh r0, [r5, 0xA]
- lsls r1, 16
- asrs r1, 20
- strh r1, [r6, 0x20]
- ldrh r0, [r5, 0xA]
- lsls r0, 16
- asrs r0, 20
- strh r0, [r6, 0x22]
- b _08087AA8
-_08087A78:
- movs r1, 0x12
- ldrsh r0, [r5, r1]
- lsls r4, r0, 3
- adds r4, r0
- lsls r4, 2
- ldr r0, _08087AB0 @ =gObjectEvents
- adds r4, r0
- ldrh r0, [r5, 0x4]
- strh r0, [r6, 0x20]
- ldrh r0, [r5, 0x6]
- strh r0, [r6, 0x22]
- adds r0, r4, 0
- bl npc_coords_shift_still
- ldrb r0, [r4]
- movs r1, 0x8
- orrs r0, r1
- strb r0, [r4]
- movs r0, 0x43
- bl FieldEffectActiveListRemove
- adds r0, r7, 0
- bl DestroyTask
-_08087AA8:
- pop {r4-r7}
- pop {r0}
- bx r0
- .align 2, 0
-_08087AB0: .4byte gObjectEvents
- thumb_func_end sub_80879D8
-
thumb_func_start sub_8087AB4
sub_8087AB4: @ 8087AB4
push {r4,lr}
diff --git a/data/field_effect_scripts.s b/data/field_effect_scripts.s
index 3b30c8878..484de872b 100644
--- a/data/field_effect_scripts.s
+++ b/data/field_effect_scripts.s
@@ -334,7 +334,7 @@ gFldEffScript_DoubleExclMarkIcon:: @ 81D9998
end
gFldEffScript_Unk43:: @ 81D999E
- callnative sub_8087924
+ callnative FldEff_Unk43
end
gFldEffScript_Unk44:: @ 81D99A4
diff --git a/src/field_effect.c b/src/field_effect.c
index 81b572893..a38924549 100644
--- a/src/field_effect.c
+++ b/src/field_effect.c
@@ -3624,3 +3624,67 @@ void sub_80878C0(struct Sprite * sprite)
}
}
}
+
+void Task_FldEffUnk43(u8 taskId);
+
+bool8 FldEff_Unk43(void)
+{
+ u8 taskId;
+ u8 objectEventIdBuffer;
+ s32 x;
+ s32 y;
+ struct ObjectEvent * objectEvent;
+ if (!TryGetObjectEventIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2], &objectEventIdBuffer))
+ {
+ objectEvent = &gObjectEvents[objectEventIdBuffer];
+ x = objectEvent->currentCoords.x - 7;
+ y = objectEvent->currentCoords.y - 7;
+ x = (gFieldEffectArguments[3] - x) * 16;
+ y = (gFieldEffectArguments[4] - y) * 16;
+ npc_coords_shift(objectEvent, gFieldEffectArguments[3] + 7, gFieldEffectArguments[4] + 7);
+ taskId = CreateTask(Task_FldEffUnk43, 0x50);
+ gTasks[taskId].data[1] = objectEvent->spriteId;
+ gTasks[taskId].data[2] = gSprites[objectEvent->spriteId].pos1.x + x;
+ gTasks[taskId].data[3] = gSprites[objectEvent->spriteId].pos1.y + y;
+ gTasks[taskId].data[8] = gFieldEffectArguments[5];
+ gTasks[taskId].data[9] = objectEventIdBuffer;
+ }
+ return FALSE;
+}
+
+void Task_FldEffUnk43(u8 taskId)
+{
+ s16 *data = gTasks[taskId].data;
+ struct Sprite * sprite = &gSprites[data[1]];
+ struct ObjectEvent * objectEvent;
+ switch (data[0])
+ {
+ case 0:
+ data[4] = sprite->pos1.x << 4;
+ data[5] = sprite->pos1.y << 4;
+ data[6] = ((data[2] << 4) - data[4]) / data[8];
+ data[7] = ((data[3] << 4) - data[5]) / data[8];
+ data[0]++;
+ // fallthrough
+ case 1:
+ if (data[8] != 0)
+ {
+ data[8]--;
+ data[4] += data[6];
+ data[5] += data[7];
+ sprite->pos1.x = data[4] >> 4;
+ sprite->pos1.y = data[5] >> 4;
+ }
+ else
+ {
+ objectEvent = &gObjectEvents[data[9]];
+ sprite->pos1.x = data[2];
+ sprite->pos1.y = data[3];
+ npc_coords_shift_still(objectEvent);
+ objectEvent->triggerGroundEffectsOnStop = TRUE;
+ FieldEffectActiveListRemove(FLDEFF_UNK_43);
+ DestroyTask(taskId);
+ }
+ break;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-08 13:15:19 +0000