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CheckForCollisionBetweenFieldObjects

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This commit is contained in:
PikalaxALT 2017-09-16 21:29:04 -04:00
parent c982993860
commit 951acc8c31
3 changed files with 23 additions and 68 deletions
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68
asm/field_map_obj.s
View File

@ -5,74 +5,6 @@
.text
thumb_func_start CheckForCollisionBetweenFieldObjects
@ bool8 CheckForCollisionBetweenFieldObjects(struct npc_state *fieldObject, u16 x, u16 y)
CheckForCollisionBetweenFieldObjects: @ 8092E20
push {r4-r7,lr}
adds r6, r0, 0
lsls r1, 16
lsrs r7, r1, 16
movs r4, 0
lsls r2, 16
asrs r5, r2, 16
_08092E2E:
lsls r0, r4, 3
adds r0, r4
lsls r0, 2
ldr r1, =gMapObjects
adds r2, r0, r1
ldrb r0, [r2]
lsls r0, 31
cmp r0, 0
beq _08092E88
cmp r2, r6
beq _08092E88
movs r0, 0x10
ldrsh r1, [r2, r0]
lsls r0, r7, 16
asrs r3, r0, 16
cmp r1, r3
bne _08092E58
movs r1, 0x12
ldrsh r0, [r2, r1]
cmp r0, r5
beq _08092E68
_08092E58:
movs r1, 0x14
ldrsh r0, [r2, r1]
cmp r0, r3
bne _08092E88
movs r1, 0x16
ldrsh r0, [r2, r1]
cmp r0, r5
bne _08092E88
_08092E68:
ldrb r0, [r6, 0xB]
lsls r0, 28
lsrs r0, 28
ldrb r1, [r2, 0xB]
lsls r1, 28
lsrs r1, 28
bl AreZCoordsCompatible
lsls r0, 24
cmp r0, 0
beq _08092E88
movs r0, 0x1
b _08092E94
.pool
_08092E88:
adds r0, r4, 0x1
lsls r0, 24
lsrs r4, r0, 24
cmp r4, 0xF
bls _08092E2E
movs r0, 0
_08092E94:
pop {r4-r7}
pop {r1}
bx r1
thumb_func_end CheckForCollisionBetweenFieldObjects
thumb_func_start sub_8092E9C
sub_8092E9C: @ 8092E9C
push {lr}

1
include/field_ground_effect.h
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@ -13,5 +13,6 @@
void SetObjectSubpriorityByZCoord(u8, struct Sprite *, u8);
void InitObjectPriorityByZCoord(struct Sprite *, u8);
bool8 IsZCoordMismatchAt(u8, s16, s16);
bool8 AreZCoordsCompatible(u8, u8);
#endif //GUARD_FIELD_GROUND_EFFECT_H

22
src/field_map_obj.c
View File

@ -3741,6 +3741,28 @@ bool8 IsMetatileDirectionallyImpassable(struct MapObject *mapObject, s16 x, s16
return FALSE;
}
bool8 CheckForCollisionBetweenFieldObjects(struct MapObject *mapObject, s16 x, s16 y)
{
u8 i;
struct MapObject *curObject;
for (i = 0; i < NUM_FIELD_OBJECTS; i ++)
{
curObject = &gMapObjects[i];
if (curObject->active && curObject != mapObject)
{
if ((curObject->coords2.x == x && curObject->coords2.y == y) || (curObject->coords3.x == x && curObject->coords3.y == y))
{
if (AreZCoordsCompatible(mapObject->mapobj_unk_0B_0, curObject->mapobj_unk_0B_0))
{
return TRUE;
}
}
}
}
return FALSE;
}
asm(".section .text.get_face_direction_anim_id");
void FieldObjectClearAnimIfSpecialAnimActive(struct MapObject *);