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sub_808F8BC

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This commit is contained in:
PikalaxALT 2017-09-13 20:34:25 -04:00
parent c1f5183f40
commit ddf712beac
2 changed files with 64 additions and 108 deletions
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72
asm/field_map_obj.s
View File

@ -5,78 +5,6 @@
.text .text
thumb_func_start sub_808F8BC
sub_808F8BC: @ 808F8BC
push {r4-r6,lr}
sub sp, 0x4
adds r4, r0, 0
lsls r1, 24
lsrs r6, r1, 24
bl FieldObjectIsTrainerAndCloseToPlayer
lsls r0, 24
cmp r0, 0
bne _0808F8D4
movs r0, 0
b _0808F938
_0808F8D4:
mov r5, sp
adds r5, 0x2
mov r0, sp
adds r1, r5, 0
bl PlayerGetDestCoords
mov r2, sp
mov r0, sp
ldrh r0, [r0]
ldrh r1, [r4, 0x10]
subs r0, r1
strh r0, [r2]
ldrh r0, [r5]
ldrh r1, [r4, 0x12]
subs r0, r1
strh r0, [r5]
mov r0, sp
ldrh r3, [r5]
ldrh r2, [r0]
movs r1, 0
ldrsh r0, [r0, r1]
cmp r0, 0
bge _0808F908
negs r0, r0
lsls r0, 16
lsrs r2, r0, 16
_0808F908:
lsls r0, r3, 16
asrs r0, 16
cmp r0, 0
bge _0808F916
negs r0, r0
lsls r0, 16
lsrs r3, r0, 16
_0808F916:
ldr r0, =gUnknown_0850D714
lsls r4, r6, 2
adds r4, r0
mov r0, sp
movs r6, 0
ldrsh r0, [r0, r6]
movs r6, 0
ldrsh r1, [r5, r6]
lsls r2, 16
asrs r2, 16
lsls r3, 16
asrs r3, 16
ldr r4, [r4]
bl _call_via_r4
lsls r0, 24
lsrs r0, 24
_0808F938:
add sp, 0x4
pop {r4-r6}
pop {r1}
bx r1
.pool
thumb_func_end sub_808F8BC
thumb_func_start FieldObjectCB_LookRandomDirections thumb_func_start FieldObjectCB_LookRandomDirections
FieldObjectCB_LookRandomDirections: @ 808F944 FieldObjectCB_LookRandomDirections: @ 808F944
push {lr} push {lr}

100
src/field_map_obj.c
View File

@ -93,6 +93,7 @@ const u8 gUnknown_0850557C[NUM_FIELD_MAP_OBJECT_TEMPLATES];
const u8 gUnknown_085055CD[NUM_FIELD_MAP_OBJECT_TEMPLATES]; const u8 gUnknown_085055CD[NUM_FIELD_MAP_OBJECT_TEMPLATES];
const struct MapObjectGraphicsInfo *const gMauvilleOldManGraphicsInfoPointers[7]; const struct MapObjectGraphicsInfo *const gMauvilleOldManGraphicsInfoPointers[7];
const struct MapObjectGraphicsInfo *const gFieldObjectGraphicsInfoPointers[0xEF]; const struct MapObjectGraphicsInfo *const gFieldObjectGraphicsInfoPointers[0xEF];
u8 (*const gUnknown_0850D714[11])(s16, s16, s16, s16);
// Code // Code
@ -1833,14 +1834,14 @@ bool8 FieldObjectIsTrainerAndCloseToPlayer(struct MapObject *mapObject)
return TRUE; return TRUE;
} }
u8 GetRegularRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetRegularRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
if (dx2 > dy2) if (absdx > absdy)
{ {
direction = DIR_EAST; direction = DIR_EAST;
if (dx1 < 0) if (dx < 0)
{ {
direction = DIR_WEST; direction = DIR_WEST;
} }
@ -1848,7 +1849,7 @@ u8 GetRegularRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
else else
{ {
direction = DIR_SOUTH; direction = DIR_SOUTH;
if (dy1 < 0) if (dy < 0)
{ {
direction = DIR_NORTH; direction = DIR_NORTH;
} }
@ -1856,38 +1857,38 @@ u8 GetRegularRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
return direction; return direction;
} }
u8 GetNorthSouthRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetNorthSouthRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = DIR_SOUTH; direction = DIR_SOUTH;
if (dy1 < 0) if (dy < 0)
{ {
direction = DIR_NORTH; direction = DIR_NORTH;
} }
return direction; return direction;
} }
u8 GetEastWestRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetEastWestRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = DIR_EAST; direction = DIR_EAST;
if (dx1 < 0) if (dx < 0)
{ {
direction = DIR_WEST; direction = DIR_WEST;
} }
return direction; return direction;
} }
u8 GetNorthEastRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetNorthEastRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = GetRegularRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_SOUTH) if (direction == DIR_SOUTH)
{ {
direction = GetEastWestRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_EAST) if (direction == DIR_EAST)
{ {
direction = DIR_NORTH; direction = DIR_NORTH;
@ -1895,7 +1896,7 @@ u8 GetNorthEastRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
} }
else if (direction == DIR_EAST) else if (direction == DIR_EAST)
{ {
direction = GetNorthSouthRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_SOUTH) if (direction == DIR_SOUTH)
{ {
direction = DIR_NORTH; direction = DIR_NORTH;
@ -1904,14 +1905,14 @@ u8 GetNorthEastRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
return direction; return direction;
} }
u8 GetNorthWestRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetNorthWestRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = GetRegularRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_SOUTH) if (direction == DIR_SOUTH)
{ {
direction = GetEastWestRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_WEST) if (direction == DIR_WEST)
{ {
direction = DIR_NORTH; direction = DIR_NORTH;
@ -1919,7 +1920,7 @@ u8 GetNorthWestRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
} }
else if (direction == DIR_WEST) else if (direction == DIR_WEST)
{ {
direction = GetNorthSouthRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_SOUTH) if (direction == DIR_SOUTH)
{ {
direction = DIR_NORTH; direction = DIR_NORTH;
@ -1928,14 +1929,14 @@ u8 GetNorthWestRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
return direction; return direction;
} }
u8 GetSouthEastRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetSouthEastRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = GetRegularRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_NORTH) if (direction == DIR_NORTH)
{ {
direction = GetEastWestRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_EAST) if (direction == DIR_EAST)
{ {
direction = DIR_SOUTH; direction = DIR_SOUTH;
@ -1943,7 +1944,7 @@ u8 GetSouthEastRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
} }
else if (direction == DIR_EAST) else if (direction == DIR_EAST)
{ {
direction = GetNorthSouthRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_NORTH) if (direction == DIR_NORTH)
{ {
direction = DIR_SOUTH; direction = DIR_SOUTH;
@ -1952,14 +1953,14 @@ u8 GetSouthEastRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
return direction; return direction;
} }
u8 GetSouthWestRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetSouthWestRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = GetRegularRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_NORTH) if (direction == DIR_NORTH)
{ {
direction = GetEastWestRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_WEST) if (direction == DIR_WEST)
{ {
direction = DIR_SOUTH; direction = DIR_SOUTH;
@ -1967,7 +1968,7 @@ u8 GetSouthWestRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
} }
else if (direction == DIR_WEST) else if (direction == DIR_WEST)
{ {
direction = GetNorthSouthRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_NORTH) if (direction == DIR_NORTH)
{ {
direction = DIR_SOUTH; direction = DIR_SOUTH;
@ -1976,50 +1977,77 @@ u8 GetSouthWestRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2)
return direction; return direction;
} }
u8 GetNonEastRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetNonEastRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = GetRegularRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_EAST) if (direction == DIR_EAST)
{ {
direction = GetNorthSouthRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
} }
return direction; return direction;
} }
u8 GetNonWestRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetNonWestRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = GetRegularRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_WEST) if (direction == DIR_WEST)
{ {
direction = GetNorthSouthRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetNorthSouthRunningPastFacingDirection(dx, dy, absdx, absdy);
} }
return direction; return direction;
} }
u8 GetNonSouthRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetNonSouthRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = GetRegularRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_SOUTH) if (direction == DIR_SOUTH)
{ {
direction = GetEastWestRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
} }
return direction; return direction;
} }
u8 GetNonNorthRunningPastFacingDirection(s16 dx1, s16 dy1, s16 dx2, s16 dy2) u8 GetNonNorthRunningPastFacingDirection(s16 dx, s16 dy, s16 absdx, s16 absdy)
{ {
u8 direction; u8 direction;
direction = GetRegularRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetRegularRunningPastFacingDirection(dx, dy, absdx, absdy);
if (direction == DIR_NORTH) if (direction == DIR_NORTH)
{ {
direction = GetEastWestRunningPastFacingDirection(dx1, dy1, dx2, dy2); direction = GetEastWestRunningPastFacingDirection(dx, dy, absdx, absdy);
} }
return direction; return direction;
} }
u8 sub_808F8BC(struct MapObject *mapObject, u8 movementType)
{
s16 dx;
s16 dy;
s16 absdx;
s16 absdy;
if (!FieldObjectIsTrainerAndCloseToPlayer(mapObject))
{
return 0;
}
PlayerGetDestCoords(&dx, &dy);
dx -= mapObject->coords2.x;
dy -= mapObject->coords2.y;
absdx = dx;
absdy = dy;
if (absdx < 0)
{
absdx = -absdx;
}
if (absdy < 0)
{
absdy = -absdy;
}
return gUnknown_0850D714[movementType](dx, dy, absdx, absdy);
}