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InitFieldObjectStateFromTemplate (nonmatching, same as ruby)

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This commit is contained in:
scnorton
2017-09-06 14:25:17 -04:00
parent 1087d1c822
commit 9498dfa71c
5 changed files with 233 additions and 194 deletions
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230
src/field_map_obj.c
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@@ -15,14 +15,19 @@
/*static*/ void sub_808D450(void);
/*static*/ u8 GetFieldObjectIdByLocalId(u8);
/*static*/ u8 GetFieldObjectIdByLocalIdAndMapInternal(u8, u8, u8);
/*static*/ bool8 GetAvailableFieldObjectSlot(u16, u8, u8, u8 *);
/*static*/ void FieldObjectHandleDynamicGraphicsId(struct MapObject *);
// ROM data
const u8 gUnknown_085055CD[0x53];
const u8 gUnknown_0850557C[0x51];
// Code
/*static*/ void npc_clear_ids_and_state(struct MapObject *mapObject)
{
memset(mapObject, 0, sizeof(struct MapObject));
*mapObject = (struct MapObject){};
mapObject->localId = 0xFF;
mapObject->mapNum = -1;
mapObject->mapGroup = -1;
@@ -124,3 +129,226 @@ u8 GetFieldObjectIdByLocalIdAndMapInternal(u8 localId, u8 mapId, u8 mapGroupId)
}
return ARRAY_COUNT(gMapObjects);
}
u8 GetFieldObjectIdByLocalId(u8 localId)
{
u8 i;
for (i = 0; i < ARRAY_COUNT(gMapObjects); i ++)
{
if (gMapObjects[i].active && gMapObjects[i].localId == localId)
{
return i;
}
}
return ARRAY_COUNT(gMapObjects);
}
// This function has the same nonmatching quirk as in Ruby/Sapphire.
#ifdef NONMATCHING
u8 InitFieldObjectStateFromTemplate(struct MapObjectTemplate *template, u8 mapId, u8 mapGroupId)
{
u8 slot;
struct MapObject *mapObject;
u16 x;
u16 y;
if (GetAvailableFieldObjectSlot(template->localId, mapId, mapGroupId, &slot))
{
return ARRAY_COUNT(gMapObjects);
}
mapObject = &gMapObjects[slot];
npc_clear_ids_and_state(mapObject);
x = template->x + 7;
y = template->y + 7;
mapObject->active = TRUE;
mapObject->mapobj_bit_2 = TRUE;
mapObject->graphicsId = template->graphicsId;
mapObject->animPattern = template->movementType;
mapObject->localId = template->localId;
mapObject->mapNum = mapId;
mapObject->mapGroup = mapGroupId;
mapObject->coords1.x = x;
mapObject->coords1.y = y;
mapObject->coords2.x = x;
mapObject->coords2.y = y;
mapObject->coords3.x = x;
mapObject->coords3.y = y;
mapObject->mapobj_unk_0B_0 = template->elevation;
mapObject->elevation = template->elevation;
mapObject->mapobj_unk_19 = template->unkA_0;
mapObject->mapobj_unk_19b = template->unkA_4;
mapObject->trainerType = template->unkC;
mapObject->trainerRange_berryTreeId = template->unkE;
mapObject->mapobj_unk_20 = gUnknown_085055CD[template->movementType];
FieldObjectSetDirection(mapObject, mapObject->mapobj_unk_20);
FieldObjectHandleDynamicGraphicsId(mapObject);
if (gUnknown_0850557C[mapObject->animPattern])
{
if (mapObject->mapobj_unk_19 == 0)
{
mapObject->mapobj_unk_19 ++;
}
if (mapObject->mapobj_unk_19b == 0)
{
mapObject->mapobj_unk_19b ++;
}
}
return slot;
}
#else
__attribute__((naked)) u8 InitFieldObjectStateFromTemplate(struct MapObjectTemplate *template, u8 mapId, u8 mapGroupId)
{
asm_unified("\tpush {r4-r7,lr}\n"
"\tmov r7, r9\n"
"\tmov r6, r8\n"
"\tpush {r6,r7}\n"
"\tsub sp, 0x4\n"
"\tadds r5, r0, 0\n"
"\tlsls r1, 24\n"
"\tlsrs r6, r1, 24\n"
"\tlsls r2, 24\n"
"\tlsrs r7, r2, 24\n"
"\tldrb r0, [r5]\n"
"\tadds r1, r6, 0\n"
"\tadds r2, r7, 0\n"
"\tmov r3, sp\n"
"\tbl GetAvailableFieldObjectSlot\n"
"\tlsls r0, 24\n"
"\tcmp r0, 0\n"
"\tbeq _0808D66E\n"
"\tmovs r0, 0x10\n"
"\tb _0808D762\n"
"_0808D66E:\n"
"\tmov r0, sp\n"
"\tldrb r1, [r0]\n"
"\tlsls r0, r1, 3\n"
"\tadds r0, r1\n"
"\tlsls r0, 2\n"
"\tldr r1, =gMapObjects\n"
"\tadds r4, r0, r1\n"
"\tadds r0, r4, 0\n"
"\tbl npc_clear_ids_and_state\n"
"\tldrh r3, [r5, 0x4]\n"
"\tadds r3, 0x7\n"
"\tlsls r3, 16\n"
"\tlsrs r3, 16\n"
"\tldrh r2, [r5, 0x6]\n"
"\tadds r2, 0x7\n"
"\tlsls r2, 16\n"
"\tlsrs r2, 16\n"
"\tldrb r0, [r4]\n"
"\tmovs r1, 0x1\n"
"\torrs r0, r1\n"
"\tmovs r1, 0x4\n"
"\torrs r0, r1\n"
"\tstrb r0, [r4]\n"
"\tldrb r0, [r5, 0x1]\n"
"\tstrb r0, [r4, 0x5]\n"
"\tldrb r0, [r5, 0x9]\n"
"\tstrb r0, [r4, 0x6]\n"
"\tldrb r0, [r5]\n"
"\tstrb r0, [r4, 0x8]\n"
"\tstrb r6, [r4, 0x9]\n"
"\tstrb r7, [r4, 0xA]\n"
"\tstrh r3, [r4, 0xC]\n"
"\tstrh r2, [r4, 0xE]\n"
"\tstrh r3, [r4, 0x10]\n"
"\tstrh r2, [r4, 0x12]\n"
"\tstrh r3, [r4, 0x14]\n"
"\tstrh r2, [r4, 0x16]\n"
"\tldrb r0, [r5, 0x8]\n"
"\tmovs r7, 0xF\n"
"\tadds r1, r7, 0\n"
"\tands r1, r0\n"
"\tldrb r2, [r4, 0xB]\n"
"\tmovs r0, 0x10\n"
"\tnegs r0, r0\n"
"\tmov r8, r0\n"
"\tands r0, r2\n"
"\torrs r0, r1\n"
"\tstrb r0, [r4, 0xB]\n"
"\tldrb r1, [r5, 0x8]\n"
"\tlsls r1, 4\n"
"\tands r0, r7\n"
"\torrs r0, r1\n"
"\tstrb r0, [r4, 0xB]\n"
"\tldrb r1, [r5, 0xA]\n"
"\tlsls r1, 28\n"
"\tmovs r0, 0xF\n"
"\tmov r9, r0\n"
"\tlsrs r1, 28\n"
"\tldrb r2, [r4, 0x19]\n"
"\tmov r0, r8\n"
"\tands r0, r2\n"
"\torrs r0, r1\n"
"\tstrb r0, [r4, 0x19]\n"
"\tldrb r1, [r5, 0xA]\n"
"\tlsrs r1, 4\n"
"\tlsls r1, 4\n"
"\tands r0, r7\n"
"\torrs r0, r1\n"
"\tstrb r0, [r4, 0x19]\n"
"\tldrh r0, [r5, 0xC]\n"
"\tstrb r0, [r4, 0x7]\n"
"\tldrh r0, [r5, 0xE]\n"
"\tstrb r0, [r4, 0x1D]\n"
"\tldr r1, =gUnknown_085055CD\n"
"\tldrb r0, [r5, 0x9]\n"
"\tadds r0, r1\n"
"\tldrb r1, [r0]\n"
"\tadds r0, r4, 0\n"
"\tadds r0, 0x20\n"
"\tstrb r1, [r0]\n"
"\tldrb r1, [r0]\n"
"\tadds r0, r4, 0\n"
"\tbl FieldObjectSetDirection\n"
"\tadds r0, r4, 0\n"
"\tbl FieldObjectHandleDynamicGraphicsId\n"
"\tldr r1, =gUnknown_0850557C\n"
"\tldrb r0, [r4, 0x6]\n"
"\tadds r0, r1\n"
"\tldrb r0, [r0]\n"
"\tcmp r0, 0\n"
"\tbeq _0808D75E\n"
"\tldrb r2, [r4, 0x19]\n"
"\tadds r0, r7, 0\n"
"\tands r0, r2\n"
"\tcmp r0, 0\n"
"\tbne _0808D746\n"
"\tlsls r0, r2, 28\n"
"\tlsrs r0, 28\n"
"\tadds r0, 0x1\n"
"\tmov r1, r9\n"
"\tands r0, r1\n"
"\tmov r1, r8\n"
"\tands r1, r2\n"
"\torrs r1, r0\n"
"\tstrb r1, [r4, 0x19]\n"
"_0808D746:\n"
"\tldrb r2, [r4, 0x19]\n"
"\tmovs r0, 0xF0\n"
"\tands r0, r2\n"
"\tcmp r0, 0\n"
"\tbne _0808D75E\n"
"\tlsrs r1, r2, 4\n"
"\tadds r1, 0x1\n"
"\tlsls r1, 4\n"
"\tadds r0, r7, 0\n"
"\tands r0, r2\n"
"\torrs r0, r1\n"
"\tstrb r0, [r4, 0x19]\n"
"_0808D75E:\n"
"\tmov r0, sp\n"
"\tldrb r0, [r0]\n"
"_0808D762:\n"
"\tadd sp, 0x4\n"
"\tpop {r3,r4}\n"
"\tmov r8, r3\n"
"\tmov r9, r4\n"
"\tpop {r4-r7}\n"
"\tpop {r1}\n"
"\tbx r1\n"
".pool");
}
#endif