diff options
Diffstat (limited to 'src/event_object_movement.c')
| -rw-r--r-- | src/event_object_movement.c | 122 |
1 files changed, 63 insertions, 59 deletions
diff --git a/src/event_object_movement.c b/src/event_object_movement.c index 2c7ceedf4..df79a1d62 100644 --- a/src/event_object_movement.c +++ b/src/event_object_movement.c @@ -110,7 +110,7 @@ static void GetGroundEffectFlags_Seaweed(struct ObjectEvent*, u32*); static void GetGroundEffectFlags_JumpLanding(struct ObjectEvent*, u32*); static u8 ObjectEventGetNearbyReflectionType(struct ObjectEvent*); static u8 GetReflectionTypeByMetatileBehavior(u32); -static void InitObjectPriorityByZCoord(struct Sprite *sprite, u8 z); +static void InitObjectPriorityByElevation(struct Sprite *, u8); static void ObjectEventUpdateSubpriority(struct ObjectEvent*, struct Sprite*); static void DoTracksGroundEffect_None(struct ObjectEvent*, struct Sprite*, u8); static void DoTracksGroundEffect_Footprints(struct ObjectEvent*, struct Sprite*, u8); @@ -142,27 +142,29 @@ static void ResetObjectEventFldEffData(struct ObjectEvent *); static u8 LoadSpritePaletteIfTagExists(const struct SpritePalette *); static u8 FindObjectEventPaletteIndexByTag(u16); static void _PatchObjectPalette(u16, u8); -static bool8 ObjectEventDoesZCoordMatch(struct ObjectEvent *, u8); +static bool8 ObjectEventDoesElevationMatch(struct ObjectEvent *, u8); static void SpriteCB_CameraObject(struct Sprite *); static void CameraObject_0(struct Sprite *); static void CameraObject_1(struct Sprite *); static void CameraObject_2(struct Sprite *); -static struct ObjectEventTemplate *FindObjectEventTemplateByLocalId(u8 localId, struct ObjectEventTemplate *templates, u8 count); +static struct ObjectEventTemplate *FindObjectEventTemplateByLocalId(u8, struct ObjectEventTemplate *, u8); static void ClearObjectEventMovement(struct ObjectEvent *, struct Sprite *); static void ObjectEventSetSingleMovement(struct ObjectEvent *, struct Sprite *, u8); static void SetSpriteDataForNormalStep(struct Sprite *, u8, u8); -static void InitSpriteForFigure8Anim(struct Sprite *sprite); -static bool8 AnimateSpriteInFigure8(struct Sprite *sprite); +static void InitSpriteForFigure8Anim(struct Sprite *); +static bool8 AnimateSpriteInFigure8(struct Sprite *); static void SpriteCB_VirtualObject(struct Sprite *); static void DoShadowFieldEffect(struct ObjectEvent *); static void SetJumpSpriteData(struct Sprite *, u8, u8, u8); -static void SetWalkSlowSpriteData(struct Sprite *sprite, u8 direction); -static bool8 UpdateWalkSlowAnim(struct Sprite *sprite); -static u8 DoJumpSpriteMovement(struct Sprite *sprite); -static u8 DoJumpSpecialSpriteMovement(struct Sprite *sprite); +static void SetWalkSlowSpriteData(struct Sprite *, u8); +static bool8 UpdateWalkSlowAnim(struct Sprite *); +static u8 DoJumpSpriteMovement(struct Sprite *); +static u8 DoJumpSpecialSpriteMovement(struct Sprite *); static void CreateLevitateMovementTask(struct ObjectEvent *); static void DestroyLevitateMovementTask(u8); -static bool8 NpcTakeStep(struct Sprite *sprite); +static bool8 NpcTakeStep(struct Sprite *); +static bool8 IsElevationMismatchAt(u8, s16, s16); +static bool8 AreElevationsCompatible(u8 a, u8 b); static const struct SpriteFrameImage sPicTable_PechaBerryTree[]; @@ -1433,7 +1435,7 @@ static u8 TrySetupObjectEventSprite(struct ObjectEventTemplate *objectEventTempl if (!objectEvent->inanimate) StartSpriteAnim(sprite, GetFaceDirectionAnimNum(objectEvent->facingDirection)); - SetObjectSubpriorityByZCoord(objectEvent->previousElevation, sprite, 1); + SetObjectSubpriorityByElevation(objectEvent->previousElevation, sprite, 1); UpdateObjectEventVisibility(objectEvent, sprite); return objectEventId; } @@ -1470,7 +1472,7 @@ u8 SpawnSpecialObjectEvent(struct ObjectEventTemplate *objectEventTemplate) return TrySpawnObjectEventTemplate(objectEventTemplate, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup, cameraX, cameraY); } -u8 SpawnSpecialObjectEventParameterized(u8 graphicsId, u8 movementBehavior, u8 localId, s16 x, s16 y, u8 z) +u8 SpawnSpecialObjectEventParameterized(u8 graphicsId, u8 movementBehavior, u8 localId, s16 x, s16 y, u8 elevation) { struct ObjectEventTemplate objectEventTemplate; @@ -1481,7 +1483,7 @@ u8 SpawnSpecialObjectEventParameterized(u8 graphicsId, u8 movementBehavior, u8 l objectEventTemplate.inConnection = 0; objectEventTemplate.x = x; objectEventTemplate.y = y; - objectEventTemplate.elevation = z; + objectEventTemplate.elevation = elevation; objectEventTemplate.movementType = movementBehavior; objectEventTemplate.movementRangeX = 0; objectEventTemplate.movementRangeY = 0; @@ -1560,7 +1562,7 @@ u8 CreateObjectGraphicsSprite(u16 graphicsId, void (*callback)(struct Sprite *), // A unique id is given as an argument and stored in the sprite data to allow referring back to the same virtual object. // They can be turned (and, in the case of the Union Room, animated teleporting in and out) but do not have movement types // or any of the other data normally associated with object events. -u8 CreateVirtualObject(u8 graphicsId, u8 virtualObjId, s16 x, s16 y, u8 z, u8 direction) +u8 CreateVirtualObject(u8 graphicsId, u8 virtualObjId, s16 x, s16 y, u8 elevation, u8 direction) { u8 spriteId; struct Sprite *sprite; @@ -1587,7 +1589,7 @@ u8 CreateVirtualObject(u8 graphicsId, u8 virtualObjId, s16 x, s16 y, u8 z, u8 di sprite->coordOffsetEnabled = TRUE; sprite->sVirtualObjId = virtualObjId; - sprite->sVirtualObjElev = z; + sprite->sVirtualObjElev = elevation; if (graphicsInfo->paletteSlot == 10) LoadSpecialObjectReflectionPalette(graphicsInfo->paletteTag, graphicsInfo->paletteSlot); else if (graphicsInfo->paletteSlot >= 16) @@ -1598,8 +1600,8 @@ u8 CreateVirtualObject(u8 graphicsId, u8 virtualObjId, s16 x, s16 y, u8 z, u8 di SetSubspriteTables(sprite, subspriteTables); sprite->subspriteMode = SUBSPRITES_IGNORE_PRIORITY; } - InitObjectPriorityByZCoord(sprite, z); - SetObjectSubpriorityByZCoord(z, sprite, 1); + InitObjectPriorityByElevation(sprite, elevation); + SetObjectSubpriorityByElevation(elevation, sprite, 1); StartSpriteAnim(sprite, GetFaceDirectionAnimNum(direction)); } return spriteId; @@ -1755,7 +1757,7 @@ static void SpawnObjectEventOnReturnToField(u8 objectEventId, s16 x, s16 y) StartSpriteAnim(sprite, GetFaceDirectionAnimNum(objectEvent->facingDirection)); ResetObjectEventFldEffData(objectEvent); - SetObjectSubpriorityByZCoord(objectEvent->previousElevation, sprite, 1); + SetObjectSubpriorityByElevation(objectEvent->previousElevation, sprite, 1); } } @@ -2148,7 +2150,7 @@ void UpdateObjectEventCoordsForCameraUpdate(void) } } -u8 GetObjectEventIdByXYZ(u16 x, u16 y, u8 z) +u8 GetObjectEventIdByPosition(u16 x, u16 y, u8 elevation) { u8 i; @@ -2156,16 +2158,18 @@ u8 GetObjectEventIdByXYZ(u16 x, u16 y, u8 z) { if (gObjectEvents[i].active) { - if (gObjectEvents[i].currentCoords.x == x && gObjectEvents[i].currentCoords.y == y && ObjectEventDoesZCoordMatch(&gObjectEvents[i], z)) + if (gObjectEvents[i].currentCoords.x == x + && gObjectEvents[i].currentCoords.y == y + && ObjectEventDoesElevationMatch(&gObjectEvents[i], elevation)) return i; } } return OBJECT_EVENTS_COUNT; } -static bool8 ObjectEventDoesZCoordMatch(struct ObjectEvent *objectEvent, u8 z) +static bool8 ObjectEventDoesElevationMatch(struct ObjectEvent *objectEvent, u8 elevation) { - if (objectEvent->currentElevation != 0 && z != 0 && objectEvent->currentElevation != z) + if (objectEvent->currentElevation != 0 && elevation != 0 && objectEvent->currentElevation != elevation) return FALSE; return TRUE; @@ -4626,11 +4630,11 @@ u8 GetCollisionAtCoords(struct ObjectEvent *objectEvent, s16 x, s16 y, u32 dir) u8 direction = dir; if (IsCoordOutsideObjectEventMovementRange(objectEvent, x, y)) return COLLISION_OUTSIDE_RANGE; - else if (MapGridIsImpassableAt(x, y) || GetMapBorderIdAt(x, y) == -1 || IsMetatileDirectionallyImpassable(objectEvent, x, y, direction)) + else if (MapGridIsImpassableAt(x, y) || GetMapBorderIdAt(x, y) == CONNECTION_INVALID || IsMetatileDirectionallyImpassable(objectEvent, x, y, direction)) return COLLISION_IMPASSABLE; else if (objectEvent->trackedByCamera && !CanCameraMoveInDirection(direction)) return COLLISION_IMPASSABLE; - else if (IsZCoordMismatchAt(objectEvent->currentElevation, x, y)) + else if (IsElevationMismatchAt(objectEvent->currentElevation, x, y)) return COLLISION_ELEVATION_MISMATCH; else if (DoesObjectCollideWithObjectAt(objectEvent, x, y)) return COLLISION_OBJECT_EVENT; @@ -4642,13 +4646,13 @@ u8 GetCollisionFlagsAtCoords(struct ObjectEvent *objectEvent, s16 x, s16 y, u8 d u8 flags = 0; if (IsCoordOutsideObjectEventMovementRange(objectEvent, x, y)) - flags |= 1; - if (MapGridIsImpassableAt(x, y) || GetMapBorderIdAt(x, y) == -1 || IsMetatileDirectionallyImpassable(objectEvent, x, y, direction) || (objectEvent->trackedByCamera && !CanCameraMoveInDirection(direction))) - flags |= 2; - if (IsZCoordMismatchAt(objectEvent->currentElevation, x, y)) - flags |= 4; + flags |= 1 << (COLLISION_OUTSIDE_RANGE - 1); + if (MapGridIsImpassableAt(x, y) || GetMapBorderIdAt(x, y) == CONNECTION_INVALID || IsMetatileDirectionallyImpassable(objectEvent, x, y, direction) || (objectEvent->trackedByCamera && !CanCameraMoveInDirection(direction))) + flags |= 1 << (COLLISION_IMPASSABLE - 1); + if (IsElevationMismatchAt(objectEvent->currentElevation, x, y)) + flags |= 1 << (COLLISION_ELEVATION_MISMATCH - 1); if (DoesObjectCollideWithObjectAt(objectEvent, x, y)) - flags |= 8; + flags |= 1 << (COLLISION_OBJECT_EVENT - 1); return flags; } @@ -4699,7 +4703,7 @@ static bool8 DoesObjectCollideWithObjectAt(struct ObjectEvent *objectEvent, s16 { if ((curObject->currentCoords.x == x && curObject->currentCoords.y == y) || (curObject->previousCoords.x == x && curObject->previousCoords.y == y)) { - if (AreZCoordsCompatible(objectEvent->currentElevation, curObject->currentElevation)) + if (AreElevationsCompatible(objectEvent->currentElevation, curObject->currentElevation)) return TRUE; } } @@ -7667,23 +7671,23 @@ static void SetObjectEventSpriteOamTableForLongGrass(struct ObjectEvent *objEven sprite->subspriteTableNum = 4; - if (ZCoordToPriority(objEvent->previousElevation) == 1) + if (ElevationToPriority(objEvent->previousElevation) == 1) sprite->subspriteTableNum = 5; } -bool8 IsZCoordMismatchAt(u8 z, s16 x, s16 y) +static bool8 IsElevationMismatchAt(u8 elevation, s16 x, s16 y) { - u8 mapZ; + u8 mapElevation; - if (z == 0) + if (elevation == 0) return FALSE; - mapZ = MapGridGetZCoordAt(x, y); + mapElevation = MapGridGetElevationAt(x, y); - if (mapZ == 0 || mapZ == 15) + if (mapElevation == 0 || mapElevation == 15) return FALSE; - if (mapZ != z) + if (mapElevation != elevation) return TRUE; return FALSE; @@ -7701,43 +7705,43 @@ static const u8 sElevationToSubspriteTableNum[] = { 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 0, 0, 1, }; -void UpdateObjectEventZCoordAndPriority(struct ObjectEvent *objEvent, struct Sprite *sprite) +static void UpdateObjectEventElevationAndPriority(struct ObjectEvent *objEvent, struct Sprite *sprite) { if (objEvent->fixedPriority) return; - ObjectEventUpdateZCoord(objEvent); + ObjectEventUpdateElevation(objEvent); sprite->subspriteTableNum = sElevationToSubspriteTableNum[objEvent->previousElevation]; sprite->oam.priority = sElevationToPriority[objEvent->previousElevation]; } -static void InitObjectPriorityByZCoord(struct Sprite *sprite, u8 z) +static void InitObjectPriorityByElevation(struct Sprite *sprite, u8 elevation) { - sprite->subspriteTableNum = sElevationToSubspriteTableNum[z]; - sprite->oam.priority = sElevationToPriority[z]; + sprite->subspriteTableNum = sElevationToSubspriteTableNum[elevation]; + sprite->oam.priority = sElevationToPriority[elevation]; } -u8 ZCoordToPriority(u8 z) +u8 ElevationToPriority(u8 elevation) { - return sElevationToPriority[z]; + return sElevationToPriority[elevation]; } -void ObjectEventUpdateZCoord(struct ObjectEvent *objEvent) +void ObjectEventUpdateElevation(struct ObjectEvent *objEvent) { - u8 z = MapGridGetZCoordAt(objEvent->currentCoords.x, objEvent->currentCoords.y); - u8 z2 = MapGridGetZCoordAt(objEvent->previousCoords.x, objEvent->previousCoords.y); + u8 curElevation = MapGridGetElevationAt(objEvent->currentCoords.x, objEvent->currentCoords.y); + u8 prevElevation = MapGridGetElevationAt(objEvent->previousCoords.x, objEvent->previousCoords.y); - if (z == 0xF || z2 == 0xF) + if (curElevation == 15 || prevElevation == 15) return; - objEvent->currentElevation = z; + objEvent->currentElevation = curElevation; - if (z != 0 && z != 0xF) - objEvent->previousElevation = z; + if (curElevation != 0 && curElevation != 15) + objEvent->previousElevation = curElevation; } -void SetObjectSubpriorityByZCoord(u8 elevation, struct Sprite *sprite, u8 subpriority) +void SetObjectSubpriorityByElevation(u8 elevation, struct Sprite *sprite, u8 subpriority) { s32 tmp = sprite->centerToCornerVecY; u32 tmpa = *(u16 *)&sprite->y; @@ -7752,10 +7756,10 @@ static void ObjectEventUpdateSubpriority(struct ObjectEvent *objEvent, struct Sp if (objEvent->fixedPriority) return; - SetObjectSubpriorityByZCoord(objEvent->previousElevation, sprite, 1); + SetObjectSubpriorityByElevation(objEvent->previousElevation, sprite, 1); } -bool8 AreZCoordsCompatible(u8 a, u8 b) +static bool8 AreElevationsCompatible(u8 a, u8 b) { if (a == 0 || b == 0) return TRUE; @@ -8051,7 +8055,7 @@ static void DoGroundEffects_OnSpawn(struct ObjectEvent *objEvent, struct Sprite if (objEvent->triggerGroundEffectsOnMove) { flags = 0; - UpdateObjectEventZCoordAndPriority(objEvent, sprite); + UpdateObjectEventElevationAndPriority(objEvent, sprite); GetAllGroundEffectFlags_OnSpawn(objEvent, &flags); SetObjectEventSpriteOamTableForLongGrass(objEvent, sprite); DoFlaggedGroundEffects(objEvent, sprite, flags); @@ -8067,7 +8071,7 @@ static void DoGroundEffects_OnBeginStep(struct ObjectEvent *objEvent, struct Spr if (objEvent->triggerGroundEffectsOnMove) { flags = 0; - UpdateObjectEventZCoordAndPriority(objEvent, sprite); + UpdateObjectEventElevationAndPriority(objEvent, sprite); GetAllGroundEffectFlags_OnBeginStep(objEvent, &flags); SetObjectEventSpriteOamTableForLongGrass(objEvent, sprite); filters_out_some_ground_effects(objEvent, &flags); @@ -8084,7 +8088,7 @@ static void DoGroundEffects_OnFinishStep(struct ObjectEvent *objEvent, struct Sp if (objEvent->triggerGroundEffectsOnStop) { flags = 0; - UpdateObjectEventZCoordAndPriority(objEvent, sprite); + UpdateObjectEventElevationAndPriority(objEvent, sprite); GetAllGroundEffectFlags_OnFinishStep(objEvent, &flags); SetObjectEventSpriteOamTableForLongGrass(objEvent, sprite); FilterOutStepOnPuddleGroundEffectIfJumping(objEvent, &flags); @@ -8548,7 +8552,7 @@ void UpdateObjectEventSpriteInvisibility(struct Sprite *sprite, bool8 invisible) static void SpriteCB_VirtualObject(struct Sprite *sprite) { VirtualObject_UpdateAnim(sprite); - SetObjectSubpriorityByZCoord(sprite->sVirtualObjElev, sprite, 1); + SetObjectSubpriorityByElevation(sprite->sVirtualObjElev, sprite, 1); UpdateObjectEventSpriteInvisibility(sprite, sprite->sInvisible); } |