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Reverse engineer unusual weather events

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This commit is contained in:
Phlosioneer
2019-02-27 03:42:04 -05:00
parent 231355f84d
commit fe55580fe1
18 changed files with 115 additions and 87 deletions
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src/field_specials.c
+11 -11
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@@ -3421,28 +3421,28 @@ bool8 sub_813B260(void)
return FALSE;
}
void sub_813B2E4(void)
void CreateUnusualWeatherEvent(void)
{
u16 randomValue = Random();
VarSet(VAR_0x4038, 0);
if (FlagGet(FLAG_DEFEATED_KYOGRE) == TRUE)
{
VarSet(VAR_0x4037, (randomValue & 7) + 1);
VarSet(VAR_UNUSUAL_WEATHER_LOCATION, (randomValue & (UNUSUAL_WEATHER_COUNT_PER_LEGENDARY - 1)) + UNUSUAL_WEATHER_GROUDON_LOCATIONS_START);
}
else if (FlagGet(FLAG_DEFEATED_GROUDON) == TRUE)
{
VarSet(VAR_0x4037, (randomValue & 7) + 9);
VarSet(VAR_UNUSUAL_WEATHER_LOCATION, (randomValue & (UNUSUAL_WEATHER_COUNT_PER_LEGENDARY - 1)) + UNUSUAL_WEATHER_KYOGRE_LOCATIONS_START);
}
else if ((randomValue & 1) == 0)
{
randomValue = Random();
VarSet(VAR_0x4037, (randomValue & 7) + 1);
VarSet(VAR_UNUSUAL_WEATHER_LOCATION, (randomValue & (UNUSUAL_WEATHER_COUNT_PER_LEGENDARY - 1)) + UNUSUAL_WEATHER_GROUDON_LOCATIONS_START);
}
else
{
randomValue = Random();
VarSet(VAR_0x4037, (randomValue & 7) + 9);
VarSet(VAR_UNUSUAL_WEATHER_LOCATION, (randomValue & (UNUSUAL_WEATHER_COUNT_PER_LEGENDARY - 1)) + UNUSUAL_WEATHER_KYOGRE_LOCATIONS_START);
}
}
@@ -3450,7 +3450,7 @@ bool32 sub_813B374(void)
{
static const u8 gUnknown_085B3400[] = { 0x1d, 0x1d, 0x1e, 0x1e, 0x1f, 0x1f, 0x21, 0x21, 0x14, 0x14, 0x28, 0x28, 0x2a, 0x2a, 0x2c, 0x2c };
u16 var = VarGet(VAR_0x4037);
u16 var = VarGet(VAR_UNUSUAL_WEATHER_LOCATION);
GetMapName(gStringVar1, gUnknown_085B3400[var - 1], 0);
@@ -3466,12 +3466,12 @@ bool32 sub_813B374(void)
bool8 sub_813B3B0(void)
{
static const u8 gUnknown_085B3410[] = { 0x1d, 0x1d, 0x1e, 0x1e, 0x1f, 0x1f, 0x21, 0x21, 0x14, 0x14, 0x28, 0x28, 0x2a, 0x2a, 0x2c, 0x2c };
static const u8 sUnusualWeatherMapNumbers[] = { 0x1d, 0x1d, 0x1e, 0x1e, 0x1f, 0x1f, 0x21, 0x21, 0x14, 0x14, 0x28, 0x28, 0x2a, 0x2a, 0x2c, 0x2c };
u16 var1 = VarGet(VAR_0x4038);
u16 var2 = VarGet(VAR_0x4037);
u16 unusualWeather = VarGet(VAR_UNUSUAL_WEATHER_LOCATION);
if (!var2)
if (unusualWeather == UNUSUAL_WEATHER_NONE)
{
return FALSE;
}
@@ -3510,14 +3510,14 @@ bool8 sub_813B3B0(void)
}
}
if (gSaveBlock1Ptr->location.mapNum == gUnknown_085B3410[var2 - 1] &&
if (gSaveBlock1Ptr->location.mapNum == sUnusualWeatherMapNumbers[unusualWeather - 1] &&
gSaveBlock1Ptr->location.mapGroup == 0)
{
return TRUE;
}
else
{
VarSet(VAR_0x4037, 0);
VarSet(VAR_UNUSUAL_WEATHER_LOCATION, UNUSUAL_WEATHER_NONE);
return FALSE;
}
}