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More shadow options and documentation

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This commit is contained in:
Hedara 2025-04-10 22:41:38 +02:00
parent b075163c57
commit d78afca94f
4 changed files with 26 additions and 3 deletions
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9
docs/tutorials/dns.md
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@ -1,5 +1,8 @@
## Day/Night system FAQ
### Q: How do I disable DNS?
A: Set `OW_ENABLE_DNS` to `FALSE` in `include/config/overworld.h`.
### Q: How do I mark certain colors in a palette as light-blended?
A: Create a `.pla` file in the same folder as the `.pal` with the same name.
@ -14,3 +17,9 @@ on separate lines to mark those colors as being light-blended, i.e:
9
10
```
### Q: How do I return to using regular shadows?
A: Set `OW_OBJECT_VANILLA_SHADOWS` to `TRUE` in `include/config/overworld.h`.
### Q: How do I disable shadows for certain locations?
A: Shadows can be disabled for certain locations by modifying the `CurrentMapHasShadows` function in `src/overworld.c`

3
include/overworld.h
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@ -141,7 +141,8 @@ bool32 IsOverworldLinkActive(void);
void CB1_Overworld(void);
void CB2_OverworldBasic(void);
void UpdateTimeOfDay(void);
bool8 MapHasNaturalLight(u8 mapType);
bool32 MapHasNaturalLight(u8 mapType);
bool32 CurrentMapHasShadows(void);
void UpdateAltBgPalettes(u16 palettes);
void UpdatePalettesWithTime(u32);
void CB2_Overworld(void);

4
src/event_object_movement.c
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@ -10214,8 +10214,10 @@ static void DoFlaggedGroundEffects(struct ObjectEvent *objEvent, struct Sprite *
for (i = 0; i < ARRAY_COUNT(sGroundEffectFuncs); i++, flags >>= 1)
if (flags & 1)
sGroundEffectFuncs[i](objEvent, sprite);
if (!OW_OBJECT_VANILLA_SHADOWS && !(gWeatherPtr->noShadows || objEvent->inHotSprings || objEvent->inSandPile || MetatileBehavior_IsPuddle(objEvent->currentMetatileBehavior)))
if (!OW_OBJECT_VANILLA_SHADOWS && CurrentMapHasShadows() && !(gWeatherPtr->noShadows || objEvent->inHotSprings || objEvent->inSandPile || MetatileBehavior_IsPuddle(objEvent->currentMetatileBehavior)))
{
SetUpShadow(objEvent);
}
}
void filters_out_some_ground_effects(struct ObjectEvent *objEvent, u32 *flags)

13
src/overworld.c
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@ -1614,10 +1614,12 @@ void UpdateTimeOfDay(void)
}
}
#undef MORNING_HOUR_MIDDLE
#undef TIME_BLEND_WEIGHT
#undef DEFAULT_WEIGHT
// Whether a map type is naturally lit/outside
bool8 MapHasNaturalLight(u8 mapType)
bool32 MapHasNaturalLight(u8 mapType)
{
return (mapType == MAP_TYPE_TOWN
|| mapType == MAP_TYPE_CITY
@ -1626,6 +1628,15 @@ bool8 MapHasNaturalLight(u8 mapType)
);
}
bool32 CurrentMapHasShadows(void)
{
bool32 shouldHaveShadows = TRUE;
u32 currentMapType = gMapHeader.mapType;
if (currentMapType == MAP_TYPE_UNDERGROUND)
shouldHaveShadows = FALSE;
return shouldHaveShadows;
}
// Update & mix day / night bg palettes (into unfaded)
void UpdateAltBgPalettes(u16 palettes)
{