pokeemerald/src/field_effect_helpers.c
2019-04-01 20:04:23 -05:00

1596 lines
52 KiB
C
Executable File

#include "global.h"
#include "event_object_movement.h"
#include "field_camera.h"
#include "field_effect.h"
#include "field_effect_helpers.h"
#include "field_weather.h"
#include "fieldmap.h"
#include "gpu_regs.h"
#include "metatile_behavior.h"
#include "sound.h"
#include "sprite.h"
#include "trig.h"
#include "constants/field_effects.h"
#include "constants/songs.h"
#define EVENT_OBJ_PAL_TAG_NONE 0x11FF // duplicate of define in event_object_movement.c
static void UpdateObjectReflectionSprite(struct Sprite *);
static void LoadObjectReflectionPalette(struct EventObject *eventObject, struct Sprite *sprite);
static void LoadObjectHighBridgeReflectionPalette(struct EventObject *, u8);
static void LoadObjectRegularReflectionPalette(struct EventObject *, u8);
static void sub_81561FC(struct Sprite *, u8, u8);
static void FadeFootprintsTireTracks_Step0(struct Sprite *);
static void FadeFootprintsTireTracks_Step1(struct Sprite *);
static void UpdateFeetInFlowingWaterFieldEffect(struct Sprite *);
static void UpdateAshFieldEffect_Step0(struct Sprite *);
static void UpdateAshFieldEffect_Step1(struct Sprite *);
static void UpdateAshFieldEffect_Step2(struct Sprite *);
static void SynchroniseSurfAnim(struct EventObject *, struct Sprite *);
static void sub_81556E8(struct EventObject *, struct Sprite *);
static void CreateBobbingEffect(struct EventObject *, struct Sprite *, struct Sprite *);
static void sub_8155850(struct Sprite *);
static u32 ShowDisguiseFieldEffect(u8, u8, u8);
void SetUpReflection(struct EventObject *eventObject, struct Sprite *sprite, bool8 stillReflection)
{
struct Sprite *reflectionSprite;
reflectionSprite = &gSprites[CreateCopySpriteAt(sprite, sprite->pos1.x, sprite->pos1.y, 0x98)];
reflectionSprite->callback = UpdateObjectReflectionSprite;
reflectionSprite->oam.priority = 3;
reflectionSprite->oam.paletteNum = gReflectionEffectPaletteMap[reflectionSprite->oam.paletteNum];
reflectionSprite->usingSheet = TRUE;
reflectionSprite->anims = gDummySpriteAnimTable;
StartSpriteAnim(reflectionSprite, 0);
reflectionSprite->affineAnims = gDummySpriteAffineAnimTable;
reflectionSprite->affineAnimBeginning = TRUE;
reflectionSprite->subspriteMode = SUBSPRITES_OFF;
reflectionSprite->data[0] = sprite->data[0];
reflectionSprite->data[1] = eventObject->localId;
reflectionSprite->data[7] = stillReflection;
LoadObjectReflectionPalette(eventObject, reflectionSprite);
if (!stillReflection)
reflectionSprite->oam.affineMode = ST_OAM_AFFINE_NORMAL;
}
static s16 GetReflectionVerticalOffset(struct EventObject *eventObject)
{
return GetEventObjectGraphicsInfo(eventObject->graphicsId)->height - 2;
}
static void LoadObjectReflectionPalette(struct EventObject *eventObject, struct Sprite *sprite)
{
u8 bridgeType;
u16 bridgeReflectionVerticalOffsets[] = { 12, 28, 44 };
sprite->data[2] = 0;
if (!GetEventObjectGraphicsInfo(eventObject->graphicsId)->disableReflectionPaletteLoad && ((bridgeType = MetatileBehavior_GetBridgeType(eventObject->previousMetatileBehavior)) || (bridgeType = MetatileBehavior_GetBridgeType(eventObject->currentMetatileBehavior))))
{
sprite->data[2] = bridgeReflectionVerticalOffsets[bridgeType - 1];
LoadObjectHighBridgeReflectionPalette(eventObject, sprite->oam.paletteNum);
}
else
{
LoadObjectRegularReflectionPalette(eventObject, sprite->oam.paletteNum);
}
}
static void LoadObjectRegularReflectionPalette(struct EventObject *eventObject, u8 paletteIndex)
{
const struct EventObjectGraphicsInfo *graphicsInfo;
graphicsInfo = GetEventObjectGraphicsInfo(eventObject->graphicsId);
if (graphicsInfo->paletteTag2 != EVENT_OBJ_PAL_TAG_NONE)
{
if (graphicsInfo->paletteSlot == 0)
{
LoadPlayerObjectReflectionPalette(graphicsInfo->paletteTag1, paletteIndex);
}
else if (graphicsInfo->paletteSlot == 10)
{
LoadSpecialObjectReflectionPalette(graphicsInfo->paletteTag1, paletteIndex);
}
else
{
PatchObjectPalette(GetObjectPaletteTag(paletteIndex), paletteIndex);
}
UpdateSpritePaletteWithWeather(paletteIndex);
}
}
// When walking on a bridge high above water (Route 120), the reflection is a solid dark blue color.
// This is so the sprite blends in with the dark water metatile underneath the bridge.
static void LoadObjectHighBridgeReflectionPalette(struct EventObject *eventObject, u8 paletteNum)
{
const struct EventObjectGraphicsInfo *graphicsInfo;
graphicsInfo = GetEventObjectGraphicsInfo(eventObject->graphicsId);
if (graphicsInfo->paletteTag2 != EVENT_OBJ_PAL_TAG_NONE)
{
PatchObjectPalette(graphicsInfo->paletteTag2, paletteNum);
UpdateSpritePaletteWithWeather(paletteNum);
}
}
static void UpdateObjectReflectionSprite(struct Sprite *reflectionSprite)
{
struct EventObject *eventObject;
struct Sprite *mainSprite;
eventObject = &gEventObjects[reflectionSprite->data[0]];
mainSprite = &gSprites[eventObject->spriteId];
if (!eventObject->active || !eventObject->hasReflection || eventObject->localId != reflectionSprite->data[1])
{
reflectionSprite->inUse = FALSE;
}
else
{
reflectionSprite->oam.paletteNum = gReflectionEffectPaletteMap[mainSprite->oam.paletteNum];
reflectionSprite->oam.shape = mainSprite->oam.shape;
reflectionSprite->oam.size = mainSprite->oam.size;
reflectionSprite->oam.matrixNum = mainSprite->oam.matrixNum | 0x10;
reflectionSprite->oam.tileNum = mainSprite->oam.tileNum;
reflectionSprite->subspriteTables = mainSprite->subspriteTables;
reflectionSprite->subspriteTableNum = mainSprite->subspriteTableNum;
reflectionSprite->invisible = mainSprite->invisible;
reflectionSprite->pos1.x = mainSprite->pos1.x;
// reflectionSprite->data[2] holds an additional vertical offset, used by the high bridges on Route 120
reflectionSprite->pos1.y = mainSprite->pos1.y + GetReflectionVerticalOffset(eventObject) + reflectionSprite->data[2];
reflectionSprite->centerToCornerVecX = mainSprite->centerToCornerVecX;
reflectionSprite->centerToCornerVecY = mainSprite->centerToCornerVecY;
reflectionSprite->pos2.x = mainSprite->pos2.x;
reflectionSprite->pos2.y = -mainSprite->pos2.y;
reflectionSprite->coordOffsetEnabled = mainSprite->coordOffsetEnabled;
if (eventObject->unk3_3 == TRUE)
reflectionSprite->invisible = TRUE;
// Check if the reflection is not still.
if (reflectionSprite->data[7] == FALSE)
{
// Sets the reflection sprite's rot/scale matrix to the appropriate
// matrix based on whether or not the main sprite is horizontally flipped.
// If the sprite is facing to the east, then it is flipped, and its matrixNum is 8.
reflectionSprite->oam.matrixNum = 0;
if (mainSprite->oam.matrixNum & 0x8)
reflectionSprite->oam.matrixNum = 1;
}
}
}
extern const struct SpriteTemplate *const gFieldEffectObjectTemplatePointers[];
u8 CreateWarpArrowSprite(void)
{
u8 spriteId;
struct Sprite *sprite;
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[8], 0, 0, 0x52);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->oam.priority = 1;
sprite->coordOffsetEnabled = TRUE;
sprite->invisible = TRUE;
}
return spriteId;
}
void SetSpriteInvisible(u8 spriteId)
{
gSprites[spriteId].invisible = TRUE;
}
void ShowWarpArrowSprite(u8 spriteId, u8 direction, s16 x, s16 y)
{
s16 x2;
s16 y2;
struct Sprite *sprite;
sprite = &gSprites[spriteId];
if (sprite->invisible || sprite->data[0] != x || sprite->data[1] != y)
{
SetSpritePosToMapCoords(x, y, &x2, &y2);
sprite = &gSprites[spriteId];
sprite->pos1.x = x2 + 8;
sprite->pos1.y = y2 + 8;
sprite->invisible = FALSE;
sprite->data[0] = x;
sprite->data[1] = y;
StartSpriteAnim(sprite, direction - 1);
}
}
const u8 gShadowEffectTemplateIds[] = {
0,
1,
2,
3
};
const u16 gShadowVerticalOffsets[] = {
4,
4,
4,
16
};
u32 FldEff_Shadow(void)
{
u8 eventObjectId;
const struct EventObjectGraphicsInfo *graphicsInfo;
u8 spriteId;
eventObjectId = GetEventObjectIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
graphicsInfo = GetEventObjectGraphicsInfo(gEventObjects[eventObjectId].graphicsId);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[gShadowEffectTemplateIds[graphicsInfo->shadowSize]], 0, 0, 0x94);
if (spriteId != MAX_SPRITES)
{
gSprites[spriteId].coordOffsetEnabled = TRUE;
gSprites[spriteId].data[0] = gFieldEffectArguments[0];
gSprites[spriteId].data[1] = gFieldEffectArguments[1];
gSprites[spriteId].data[2] = gFieldEffectArguments[2];
gSprites[spriteId].data[3] = (graphicsInfo->height >> 1) - gShadowVerticalOffsets[graphicsInfo->shadowSize];
}
return 0;
}
void UpdateShadowFieldEffect(struct Sprite *sprite)
{
u8 eventObjectId;
struct EventObject *eventObject;
struct Sprite *linkedSprite;
if (TryGetEventObjectIdByLocalIdAndMap(sprite->data[0], sprite->data[1], sprite->data[2], &eventObjectId))
{
FieldEffectStop(sprite, FLDEFF_SHADOW);
}
else
{
eventObject = &gEventObjects[eventObjectId];
linkedSprite = &gSprites[eventObject->spriteId];
sprite->oam.priority = linkedSprite->oam.priority;
sprite->pos1.x = linkedSprite->pos1.x;
sprite->pos1.y = linkedSprite->pos1.y + sprite->data[3];
if (!eventObject->active || !eventObject->hasShadow
|| MetatileBehavior_IsPokeGrass(eventObject->currentMetatileBehavior)
|| MetatileBehavior_IsSurfableWaterOrUnderwater(eventObject->currentMetatileBehavior)
|| MetatileBehavior_IsSurfableWaterOrUnderwater(eventObject->previousMetatileBehavior)
|| MetatileBehavior_IsReflective(eventObject->currentMetatileBehavior)
|| MetatileBehavior_IsReflective(eventObject->previousMetatileBehavior))
{
FieldEffectStop(sprite, FLDEFF_SHADOW);
}
}
}
u32 FldEff_TallGrass(void)
{
s16 x;
s16 y;
u8 spriteId;
struct Sprite *sprite;
x = gFieldEffectArguments[0];
y = gFieldEffectArguments[1];
sub_80930E0(&x, &y, 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[4], x, y, 0);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = gFieldEffectArguments[2];
sprite->data[1] = gFieldEffectArguments[0];
sprite->data[2] = gFieldEffectArguments[1];
sprite->data[3] = gFieldEffectArguments[4];
sprite->data[4] = gFieldEffectArguments[5];
sprite->data[5] = gFieldEffectArguments[6];
if (gFieldEffectArguments[7])
{
SeekSpriteAnim(sprite, 4);
}
}
return 0;
}
void UpdateTallGrassFieldEffect(struct Sprite *sprite)
{
u8 mapNum;
u8 mapGroup;
u8 metatileBehavior;
u8 localId;
u8 eventObjectId;
struct EventObject *eventObject;
mapNum = sprite->data[5] >> 8;
mapGroup = sprite->data[5];
if (gCamera.active && (gSaveBlock1Ptr->location.mapNum != mapNum || gSaveBlock1Ptr->location.mapGroup != mapGroup))
{
sprite->data[1] -= gCamera.x;
sprite->data[2] -= gCamera.y;
sprite->data[5] = ((u8)gSaveBlock1Ptr->location.mapNum << 8) | (u8)gSaveBlock1Ptr->location.mapGroup;
}
localId = sprite->data[3] >> 8;
mapNum = sprite->data[3];
mapGroup = sprite->data[4];
metatileBehavior = MapGridGetMetatileBehaviorAt(sprite->data[1], sprite->data[2]);
if (TryGetEventObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &eventObjectId) || !MetatileBehavior_IsTallGrass(metatileBehavior) || (sprite->data[7] && sprite->animEnded))
{
FieldEffectStop(sprite, FLDEFF_TALL_GRASS);
}
else
{
eventObject = &gEventObjects[eventObjectId];
if ((eventObject->currentCoords.x != sprite->data[1] || eventObject->currentCoords.y != sprite->data[2]) && (eventObject->previousCoords.x != sprite->data[1] || eventObject->previousCoords.y != sprite->data[2]))
sprite->data[7] = TRUE;
metatileBehavior = 0;
if (sprite->animCmdIndex == 0)
metatileBehavior = 4;
UpdateEventObjectSpriteVisibility(sprite, 0);
sub_81561FC(sprite, sprite->data[0], metatileBehavior);
}
}
u32 FldEff_JumpTallGrass(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 12);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[10], gFieldEffectArguments[0], gFieldEffectArguments[1], 0);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = gFieldEffectArguments[2];
sprite->data[1] = 12;
}
return 0;
}
u8 FindTallGrassFieldEffectSpriteId(u8 localId, u8 mapNum, u8 mapGroup, s16 x, s16 y)
{
struct Sprite *sprite;
u8 i;
for (i = 0; i < MAX_SPRITES; i ++)
{
if (gSprites[i].inUse)
{
sprite = &gSprites[i];
if (sprite->callback == UpdateTallGrassFieldEffect && (x == sprite->data[1] && y == sprite->data[2]) && (localId == (u8)(sprite->data[3] >> 8) && mapNum == (sprite->data[3] & 0xFF) && mapGroup == sprite->data[4]))
return i;
}
}
return MAX_SPRITES;
}
u32 FldEff_LongGrass(void)
{
s16 x;
s16 y;
u8 spriteId;
struct Sprite *sprite;
x = gFieldEffectArguments[0];
y = gFieldEffectArguments[1];
sub_80930E0(&x, &y, 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[15], x, y, 0);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = ZCoordToPriority(gFieldEffectArguments[2]);
sprite->data[0] = gFieldEffectArguments[2];
sprite->data[1] = gFieldEffectArguments[0];
sprite->data[2] = gFieldEffectArguments[1];
sprite->data[3] = gFieldEffectArguments[4];
sprite->data[4] = gFieldEffectArguments[5];
sprite->data[5] = gFieldEffectArguments[6];
if (gFieldEffectArguments[7])
{
SeekSpriteAnim(sprite, 6);
}
}
return 0;
}
void UpdateLongGrassFieldEffect(struct Sprite *sprite)
{
u8 mapNum;
u8 mapGroup;
u8 metatileBehavior;
u8 localId;
u8 eventObjectId;
struct EventObject *eventObject;
mapNum = sprite->data[5] >> 8;
mapGroup = sprite->data[5];
if (gCamera.active && (gSaveBlock1Ptr->location.mapNum != mapNum || gSaveBlock1Ptr->location.mapGroup != mapGroup))
{
sprite->data[1] -= gCamera.x;
sprite->data[2] -= gCamera.y;
sprite->data[5] = ((u8)gSaveBlock1Ptr->location.mapNum << 8) | (u8)gSaveBlock1Ptr->location.mapGroup;
}
localId = sprite->data[3] >> 8;
mapNum = sprite->data[3];
mapGroup = sprite->data[4];
metatileBehavior = MapGridGetMetatileBehaviorAt(sprite->data[1], sprite->data[2]);
if (TryGetEventObjectIdByLocalIdAndMap(localId, mapNum, mapGroup, &eventObjectId) || !MetatileBehavior_IsLongGrass(metatileBehavior) || (sprite->data[7] && sprite->animEnded))
{
FieldEffectStop(sprite, FLDEFF_LONG_GRASS);
}
else
{
eventObject = &gEventObjects[eventObjectId];
if ((eventObject->currentCoords.x != sprite->data[1] || eventObject->currentCoords.y != sprite->data[2]) && (eventObject->previousCoords.x != sprite->data[1] || eventObject->previousCoords.y != sprite->data[2]))
{
sprite->data[7] = TRUE;
}
UpdateEventObjectSpriteVisibility(sprite, 0);
sub_81561FC(sprite, sprite->data[0], 0);
}
}
u32 FldEff_JumpLongGrass(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[16], gFieldEffectArguments[0], gFieldEffectArguments[1], 0);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = gFieldEffectArguments[2];
sprite->data[1] = 18;
}
return 0;
}
u32 FldEff_ShortGrass(void)
{
u8 eventObjectId;
struct EventObject *eventObject;
u8 spriteId;
struct Sprite *sprite;
eventObjectId = GetEventObjectIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
eventObject = &gEventObjects[eventObjectId];
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[30], 0, 0, 0);
if (spriteId != MAX_SPRITES)
{
sprite = &(gSprites[spriteId]);
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gSprites[eventObject->spriteId].oam.priority;
sprite->data[0] = gFieldEffectArguments[0];
sprite->data[1] = gFieldEffectArguments[1];
sprite->data[2] = gFieldEffectArguments[2];
sprite->data[3] = gSprites[eventObject->spriteId].pos1.x;
sprite->data[4] = gSprites[eventObject->spriteId].pos1.y;
}
return 0;
}
void UpdateShortGrassFieldEffect(struct Sprite *sprite)
{
u8 eventObjectId;
s16 x;
s16 y;
const struct EventObjectGraphicsInfo *graphicsInfo;
struct Sprite *linkedSprite;
if (TryGetEventObjectIdByLocalIdAndMap(sprite->data[0], sprite->data[1], sprite->data[2], &eventObjectId) || !gEventObjects[eventObjectId].inShortGrass)
{
FieldEffectStop(sprite, FLDEFF_SHORT_GRASS);
}
else
{
graphicsInfo = GetEventObjectGraphicsInfo(gEventObjects[eventObjectId].graphicsId);
linkedSprite = &gSprites[gEventObjects[eventObjectId].spriteId];
y = linkedSprite->pos1.y;
x = linkedSprite->pos1.x;
if (x != sprite->data[3] || y != sprite->data[4])
{
sprite->data[3] = x;
sprite->data[4] = y;
if (sprite->animEnded)
{
StartSpriteAnim(sprite, 0);
}
}
sprite->pos1.x = x;
sprite->pos1.y = y;
sprite->pos2.y = (graphicsInfo->height >> 1) - 8;
sprite->subpriority = linkedSprite->subpriority - 1;
sprite->oam.priority = linkedSprite->oam.priority;
UpdateEventObjectSpriteVisibility(sprite, linkedSprite->invisible);
}
}
u32 FldEff_SandFootprints(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[11], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[7] = FLDEFF_SAND_FOOTPRINTS;
StartSpriteAnim(sprite, gFieldEffectArguments[4]);
}
return 0;
}
u32 FldEff_DeepSandFootprints(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[23], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[7] = FLDEFF_DEEP_SAND_FOOTPRINTS;
StartSpriteAnim(sprite, gFieldEffectArguments[4]);
}
return spriteId;
}
u32 FldEff_BikeTireTracks(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[27], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[7] = FLDEFF_BIKE_TIRE_TRACKS;
StartSpriteAnim(sprite, gFieldEffectArguments[4]);
}
return spriteId;
}
void (*const gFadeFootprintsTireTracksFuncs[])(struct Sprite *) = {
FadeFootprintsTireTracks_Step0,
FadeFootprintsTireTracks_Step1
};
void UpdateFootprintsTireTracksFieldEffect(struct Sprite *sprite)
{
gFadeFootprintsTireTracksFuncs[sprite->data[0]](sprite);
}
static void FadeFootprintsTireTracks_Step0(struct Sprite *sprite)
{
// Wait 40 frames before the flickering starts.
if (++sprite->data[1] > 40)
sprite->data[0] = 1;
UpdateEventObjectSpriteVisibility(sprite, FALSE);
}
static void FadeFootprintsTireTracks_Step1(struct Sprite *sprite)
{
sprite->invisible ^= 1;
sprite->data[1]++;
UpdateEventObjectSpriteVisibility(sprite, sprite->invisible);
if (sprite->data[1] > 56)
{
FieldEffectStop(sprite, sprite->data[7]);
}
}
u32 FldEff_Splash(void)
{
u8 eventObjectId;
struct EventObject *eventObject;
u8 spriteId;
struct Sprite *sprite;
const struct EventObjectGraphicsInfo *graphicsInfo;
struct Sprite *linkedSprite;
eventObjectId = GetEventObjectIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
eventObject = &gEventObjects[eventObjectId];
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[13], 0, 0, 0);
if (spriteId != MAX_SPRITES)
{
graphicsInfo = GetEventObjectGraphicsInfo(eventObject->graphicsId);
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
linkedSprite = &gSprites[eventObject->spriteId];
sprite->oam.priority = linkedSprite->oam.priority;
sprite->data[0] = gFieldEffectArguments[0];
sprite->data[1] = gFieldEffectArguments[1];
sprite->data[2] = gFieldEffectArguments[2];
sprite->pos2.y = (graphicsInfo->height >> 1) - 4;
PlaySE(SE_MIZU);
}
return 0;
}
void UpdateSplashFieldEffect(struct Sprite *sprite)
{
u8 eventObjectId;
if (sprite->animEnded || TryGetEventObjectIdByLocalIdAndMap(sprite->data[0], sprite->data[1], sprite->data[2], &eventObjectId))
{
FieldEffectStop(sprite, FLDEFF_SPLASH);
}
else
{
sprite->pos1.x = gSprites[gEventObjects[eventObjectId].spriteId].pos1.x;
sprite->pos1.y = gSprites[gEventObjects[eventObjectId].spriteId].pos1.y;
UpdateEventObjectSpriteVisibility(sprite, FALSE);
}
}
u32 FldEff_JumpSmallSplash(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 12);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[14], gFieldEffectArguments[0], gFieldEffectArguments[1], 0);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = gFieldEffectArguments[2];
sprite->data[1] = FLDEFF_JUMP_SMALL_SPLASH;
}
return 0;
}
u32 FldEff_JumpBigSplash(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[12], gFieldEffectArguments[0], gFieldEffectArguments[1], 0);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = gFieldEffectArguments[2];
sprite->data[1] = FLDEFF_JUMP_BIG_SPLASH;
}
return 0;
}
u32 FldEff_FeetInFlowingWater(void)
{
u8 eventObjectId;
struct EventObject *eventObject;
u8 spriteId;
struct Sprite *sprite;
const struct EventObjectGraphicsInfo *graphicsInfo;
eventObjectId = GetEventObjectIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
eventObject = &gEventObjects[eventObjectId];
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[13], 0, 0, 0);
if (spriteId != MAX_SPRITES)
{
graphicsInfo = GetEventObjectGraphicsInfo(eventObject->graphicsId);
sprite = &gSprites[spriteId];
sprite->callback = UpdateFeetInFlowingWaterFieldEffect;
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gSprites[eventObject->spriteId].oam.priority;
sprite->data[0] = gFieldEffectArguments[0];
sprite->data[1] = gFieldEffectArguments[1];
sprite->data[2] = gFieldEffectArguments[2];
sprite->data[3] = -1;
sprite->data[4] = -1;
sprite->pos2.y = (graphicsInfo->height >> 1) - 4;
StartSpriteAnim(sprite, 1);
}
return 0;
}
static void UpdateFeetInFlowingWaterFieldEffect(struct Sprite *sprite)
{
u8 eventObjectId;
struct Sprite *linkedSprite;
struct EventObject *eventObject;
if (TryGetEventObjectIdByLocalIdAndMap(sprite->data[0], sprite->data[1], sprite->data[2], &eventObjectId) || !gEventObjects[eventObjectId].inShallowFlowingWater)
{
FieldEffectStop(sprite, FLDEFF_FEET_IN_FLOWING_WATER);
}
else
{
eventObject = &gEventObjects[eventObjectId];
linkedSprite = &gSprites[eventObject->spriteId];
sprite->pos1.x = linkedSprite->pos1.x;
sprite->pos1.y = linkedSprite->pos1.y;
sprite->subpriority = linkedSprite->subpriority;
UpdateEventObjectSpriteVisibility(sprite, FALSE);
if (eventObject->currentCoords.x != sprite->data[3] || eventObject->currentCoords.y != sprite->data[4])
{
sprite->data[3] = eventObject->currentCoords.x;
sprite->data[4] = eventObject->currentCoords.y;
if (!sprite->invisible)
{
PlaySE(SE_MIZU);
}
}
}
}
u32 FldEff_Ripple(void)
{
u8 spriteId;
struct Sprite *sprite;
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[5], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = FLDEFF_RIPPLE;
}
return 0;
}
u32 FldEff_HotSpringsWater(void)
{
u8 eventObjectId;
struct EventObject *eventObject;
u8 spriteId;
struct Sprite *sprite;
eventObjectId = GetEventObjectIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
eventObject = &gEventObjects[eventObjectId];
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[31], 0, 0, 0);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gSprites[eventObject->spriteId].oam.priority;
sprite->data[0] = gFieldEffectArguments[0];
sprite->data[1] = gFieldEffectArguments[1];
sprite->data[2] = gFieldEffectArguments[2];
sprite->data[3] = gSprites[eventObject->spriteId].pos1.x;
sprite->data[4] = gSprites[eventObject->spriteId].pos1.y;
}
return 0;
}
void UpdateHotSpringsWaterFieldEffect(struct Sprite *sprite)
{
u8 eventObjectId;
const struct EventObjectGraphicsInfo *graphicsInfo;
struct Sprite *linkedSprite;
if (TryGetEventObjectIdByLocalIdAndMap(sprite->data[0], sprite->data[1], sprite->data[2], &eventObjectId) || !gEventObjects[eventObjectId].inHotSprings)
{
FieldEffectStop(sprite, FLDEFF_HOT_SPRINGS_WATER);
}
else
{
graphicsInfo = GetEventObjectGraphicsInfo(gEventObjects[eventObjectId].graphicsId);
linkedSprite = &gSprites[gEventObjects[eventObjectId].spriteId];
sprite->pos1.x = linkedSprite->pos1.x;
sprite->pos1.y = (graphicsInfo->height >> 1) + linkedSprite->pos1.y - 8;
sprite->subpriority = linkedSprite->subpriority - 1;
UpdateEventObjectSpriteVisibility(sprite, FALSE);
}
}
u32 FldEff_Unknown19(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[17], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = FLDEFF_UNKNOWN_19;
}
return 0;
}
u32 FldEff_Unknown20(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[18], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = FLDEFF_UNKNOWN_20;
}
return 0;
}
u32 FldEff_Unknown21(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[19], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = FLDEFF_UNKNOWN_21;
}
return 0;
}
u32 FldEff_Unknown22(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[20], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = FLDEFF_UNKNOWN_22;
}
return 0;
}
void StartAshFieldEffect(s16 x, s16 y, u16 c, s16 d)
{
gFieldEffectArguments[0] = x;
gFieldEffectArguments[1] = y;
gFieldEffectArguments[2] = 0x52;
gFieldEffectArguments[3] = 1;
gFieldEffectArguments[4] = c;
gFieldEffectArguments[5] = d;
FieldEffectStart(FLDEFF_ASH);
}
u32 FldEff_Ash(void)
{
s16 x;
s16 y;
u8 spriteId;
struct Sprite *sprite;
x = gFieldEffectArguments[0];
y = gFieldEffectArguments[1];
sub_80930E0(&x, &y, 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[6], x, y, gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[1] = gFieldEffectArguments[0];
sprite->data[2] = gFieldEffectArguments[1];
sprite->data[3] = gFieldEffectArguments[4];
sprite->data[4] = gFieldEffectArguments[5];
}
return 0;
}
void (*const gAshFieldEffectFuncs[])(struct Sprite *) = {
UpdateAshFieldEffect_Step0,
UpdateAshFieldEffect_Step1,
UpdateAshFieldEffect_Step2
};
void UpdateAshFieldEffect(struct Sprite *sprite)
{
gAshFieldEffectFuncs[sprite->data[0]](sprite);
}
static void UpdateAshFieldEffect_Step0(struct Sprite *sprite)
{
sprite->invisible = TRUE;
sprite->animPaused = TRUE;
if (--sprite->data[4] == 0)
sprite->data[0] = 1;
}
static void UpdateAshFieldEffect_Step1(struct Sprite *sprite)
{
sprite->invisible = FALSE;
sprite->animPaused = FALSE;
MapGridSetMetatileIdAt(sprite->data[1], sprite->data[2], sprite->data[3]);
CurrentMapDrawMetatileAt(sprite->data[1], sprite->data[2]);
gEventObjects[gPlayerAvatar.eventObjectId].triggerGroundEffectsOnMove = TRUE;
sprite->data[0] = 2;
}
static void UpdateAshFieldEffect_Step2(struct Sprite *sprite)
{
UpdateEventObjectSpriteVisibility(sprite, FALSE);
if (sprite->animEnded)
FieldEffectStop(sprite, FLDEFF_ASH);
}
u32 FldEff_SurfBlob(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[7], gFieldEffectArguments[0], gFieldEffectArguments[1], 0x96);
if (spriteId !=MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.paletteNum = 0;
sprite->data[2] = gFieldEffectArguments[2];
sprite->data[3] = -1;
sprite->data[6] = -1;
sprite->data[7] = -1;
}
FieldEffectActiveListRemove(FLDEFF_SURF_BLOB);
return spriteId;
}
void sub_81555AC(u8 spriteId, u8 value)
{
gSprites[spriteId].data[0] = (gSprites[spriteId].data[0] & ~0xF) | (value & 0xF);
}
void sub_81555D8(u8 spriteId, u8 value)
{
gSprites[spriteId].data[0] = (gSprites[spriteId].data[0] & ~0xF0) | ((value & 0xF) << 4);
}
void sub_8155604(u8 spriteId, u8 value, s16 data1)
{
gSprites[spriteId].data[0] = (gSprites[spriteId].data[0] & ~0xF00) | ((value & 0xF) << 8);
gSprites[spriteId].data[1] = data1;
}
static u8 sub_8155638(struct Sprite *sprite)
{
return sprite->data[0] & 0xF;
}
static u8 sub_8155640(struct Sprite *sprite)
{
return (sprite->data[0] & 0xF0) >> 4;
}
static u8 sub_815564C(struct Sprite *sprite)
{
return (sprite->data[0] & 0xF00) >> 8;
}
void UpdateSurfBlobFieldEffect(struct Sprite *sprite)
{
struct EventObject *eventObject;
struct Sprite *linkedSprite;
eventObject = &gEventObjects[sprite->data[2]];
linkedSprite = &gSprites[eventObject->spriteId];
SynchroniseSurfAnim(eventObject, sprite);
sub_81556E8(eventObject, sprite);
CreateBobbingEffect(eventObject, linkedSprite, sprite);
sprite->oam.priority = linkedSprite->oam.priority;
}
static void SynchroniseSurfAnim(struct EventObject *eventObject, struct Sprite *sprite)
{
u8 surfBlobDirectionAnims[] = {
[DIR_NONE] = 0,
[DIR_SOUTH] = 0,
[DIR_NORTH] = 1,
[DIR_WEST] = 2,
[DIR_EAST] = 3,
[DIR_SOUTHWEST] = 0,
[DIR_SOUTHEAST] = 0,
[DIR_NORTHWEST] = 1,
[DIR_NORTHEAST] = 1,
};
if (sub_8155640(sprite) == 0)
StartSpriteAnimIfDifferent(sprite, surfBlobDirectionAnims[eventObject->movementDirection]);
}
void sub_81556E8(struct EventObject *eventObject, struct Sprite *sprite)
{
u8 i;
s16 x = eventObject->currentCoords.x;
s16 y = eventObject->currentCoords.y;
s32 spriteY = sprite->pos2.y;
if (spriteY == 0 && (x != sprite->data[6] || y != sprite->data[7]))
{
sprite->data[5] = spriteY;
sprite->data[6] = x;
sprite->data[7] = y;
for (i = DIR_SOUTH; i <= DIR_EAST; i++, x = sprite->data[6], y = sprite->data[7])
{
MoveCoords(i, &x, &y);
if (MapGridGetZCoordAt(x, y) == 3)
{
sprite->data[5] ++;
break;
}
}
}
}
static void CreateBobbingEffect(struct EventObject *eventObject, struct Sprite *linkedSprite, struct Sprite *sprite)
{
u16 unk_085CDC6A[] = {3, 7};
u8 v0 = sub_8155638(sprite);
if (v0 != 0)
{
if (((u16)(++ sprite->data[4]) & unk_085CDC6A[sprite->data[5]]) == 0)
{
sprite->pos2.y += sprite->data[3];
}
if ((sprite->data[4] & 0x0F) == 0)
{
sprite->data[3] = -sprite->data[3];
}
if (v0 != 2)
{
if (sub_815564C(sprite) == 0)
linkedSprite->pos2.y = sprite->pos2.y;
else
linkedSprite->pos2.y = sprite->data[1] + sprite->pos2.y;
sprite->pos1.x = linkedSprite->pos1.x;
sprite->pos1.y = linkedSprite->pos1.y + 8;
}
}
}
u8 sub_8155800(u8 oldSpriteId)
{
u8 spriteId;
struct Sprite *sprite;
spriteId = CreateSpriteAtEnd(&gDummySpriteTemplate, 0, 0, -1);
sprite = &gSprites[spriteId];
sprite->callback = sub_8155850;
sprite->invisible = TRUE;
sprite->data[0] = oldSpriteId;
sprite->data[1] = 1;
return spriteId;
}
static void sub_8155850(struct Sprite *sprite)
{
struct Sprite *oldSprite;
oldSprite = &gSprites[sprite->data[0]];
if (((sprite->data[2]++) & 0x03) == 0)
{
oldSprite->pos2.y += sprite->data[1];
}
if ((sprite->data[2] & 0x0F) == 0)
{
sprite->data[1] = -sprite->data[1];
}
}
u32 FldEff_Dust(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 12);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[9], gFieldEffectArguments[0], gFieldEffectArguments[1], 0);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->data[0] = gFieldEffectArguments[2];
sprite->data[1] = 10;
}
return 0;
}
u32 FldEff_SandPile(void)
{
u8 eventObjectId;
struct EventObject *eventObject;
u8 spriteId;
struct Sprite *sprite;
const struct EventObjectGraphicsInfo *graphicsInfo;
eventObjectId = GetEventObjectIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
eventObject = &gEventObjects[eventObjectId];
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[29], 0, 0, 0);
if (spriteId != MAX_SPRITES)
{
graphicsInfo = GetEventObjectGraphicsInfo(eventObject->graphicsId);
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gSprites[eventObject->spriteId].oam.priority;
sprite->data[0] = gFieldEffectArguments[0];
sprite->data[1] = gFieldEffectArguments[1];
sprite->data[2] = gFieldEffectArguments[2];
sprite->data[3] = gSprites[eventObject->spriteId].pos1.x;
sprite->data[4] = gSprites[eventObject->spriteId].pos1.y;
sprite->pos2.y = (graphicsInfo->height >> 1) - 2;
SeekSpriteAnim(sprite, 2);
}
return 0;
}
void UpdateSandPileFieldEffect(struct Sprite *sprite)
{
u8 eventObjectId;
s16 x;
s16 y;
if (TryGetEventObjectIdByLocalIdAndMap(sprite->data[0], sprite->data[1], sprite->data[2], &eventObjectId) || !gEventObjects[eventObjectId].inSandPile)
{
FieldEffectStop(sprite, FLDEFF_SAND_PILE);
}
else
{
y = gSprites[gEventObjects[eventObjectId].spriteId].pos1.y;
x = gSprites[gEventObjects[eventObjectId].spriteId].pos1.x;
if (x != sprite->data[3] || y != sprite->data[4])
{
sprite->data[3] = x;
sprite->data[4] = y;
if (sprite->animEnded)
{
StartSpriteAnim(sprite, 0);
}
}
sprite->pos1.x = x;
sprite->pos1.y = y;
sprite->subpriority = gSprites[gEventObjects[eventObjectId].spriteId].subpriority;
UpdateEventObjectSpriteVisibility(sprite, FALSE);
}
}
u32 FldEff_Bubbles(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 0);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[34], gFieldEffectArguments[0], gFieldEffectArguments[1], 0x52);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = 1;
}
return 0;
}
void UpdateBubblesFieldEffect(struct Sprite *sprite)
{
sprite->data[0] += 0x80;
sprite->data[0] &= 0x100;
sprite->pos1.y -= sprite->data[0] >> 8;
UpdateEventObjectSpriteVisibility(sprite, FALSE);
if (sprite->invisible || sprite->animEnded)
{
FieldEffectStop(sprite, FLDEFF_BUBBLES);
}
}
u32 FldEff_BerryTreeGrowthSparkle(void)
{
u8 spriteId;
struct Sprite *sprite;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 4);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[22], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled = TRUE;
sprite->oam.priority = gFieldEffectArguments[3];
sprite->oam.paletteNum = 5;
sprite->data[0] = FLDEFF_BERRY_TREE_GROWTH_SPARKLE;
}
return 0;
}
u32 ShowTreeDisguiseFieldEffect(void)
{
return ShowDisguiseFieldEffect(FLDEFF_TREE_DISGUISE, 24, 4);
}
u32 ShowMountainDisguiseFieldEffect(void)
{
return ShowDisguiseFieldEffect(FLDEFF_MOUNTAIN_DISGUISE, 25, 3);
}
u32 ShowSandDisguiseFieldEffect(void)
{
return ShowDisguiseFieldEffect(FLDEFF_SAND_DISGUISE, 28, 2);
}
static u32 ShowDisguiseFieldEffect(u8 fldEff, u8 templateIdx, u8 paletteNum)
{
u8 spriteId;
struct Sprite *sprite;
if (TryGetEventObjectIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2], &spriteId))
{
FieldEffectActiveListRemove(fldEff);
return MAX_SPRITES;
}
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[templateIdx], 0, 0, 0);
if (spriteId != MAX_SPRITES)
{
sprite = &gSprites[spriteId];
sprite->coordOffsetEnabled ++;
sprite->oam.paletteNum = paletteNum;
sprite->data[1] = fldEff;
sprite->data[2] = gFieldEffectArguments[0];
sprite->data[3] = gFieldEffectArguments[1];
sprite->data[4] = gFieldEffectArguments[2];
}
return spriteId;
}
void UpdateDisguiseFieldEffect(struct Sprite *sprite)
{
u8 eventObjectId;
const struct EventObjectGraphicsInfo *graphicsInfo;
struct Sprite *linkedSprite;
if (TryGetEventObjectIdByLocalIdAndMap(sprite->data[2], sprite->data[3], sprite->data[4], &eventObjectId))
{
FieldEffectStop(sprite, sprite->data[1]);
}
graphicsInfo = GetEventObjectGraphicsInfo(gEventObjects[eventObjectId].graphicsId);
linkedSprite = &gSprites[gEventObjects[eventObjectId].spriteId];
sprite->invisible = linkedSprite->invisible;
sprite->pos1.x = linkedSprite->pos1.x;
sprite->pos1.y = (graphicsInfo->height >> 1) + linkedSprite->pos1.y - 16;
sprite->subpriority = linkedSprite->subpriority - 1;
if (sprite->data[0] == 1)
{
sprite->data[0] ++;
StartSpriteAnim(sprite, 1);
}
if (sprite->data[0] == 2 && sprite->animEnded)
{
sprite->data[7] = 1;
}
if (sprite->data[0] == 3)
{
FieldEffectStop(sprite, sprite->data[1]);
}
}
void sub_8155D78(struct EventObject *eventObject)
{
if (eventObject->directionSequenceIndex == 1)
{
gSprites[eventObject->fieldEffectSpriteId].data[0]++;
}
}
bool8 sub_8155DA0(struct EventObject *eventObject)
{
struct Sprite *sprite;
if (eventObject->directionSequenceIndex == 2)
{
return TRUE;
}
if (eventObject->directionSequenceIndex == 0)
{
return TRUE;
}
sprite = &gSprites[eventObject->fieldEffectSpriteId];
if (sprite->data[7])
{
eventObject->directionSequenceIndex = 2;
sprite->data[0]++;
return TRUE;
}
return FALSE;
}
u32 FldEff_Sparkle(void)
{
u8 spriteId;
gFieldEffectArguments[0] += 7;
gFieldEffectArguments[1] += 7;
sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[35], gFieldEffectArguments[0], gFieldEffectArguments[1], 0x52);
if (spriteId != MAX_SPRITES)
{
gSprites[spriteId].oam.priority = gFieldEffectArguments[2];
gSprites[spriteId].coordOffsetEnabled = TRUE;
}
return 0;
}
void UpdateSparkleFieldEffect(struct Sprite *sprite)
{
if (sprite->data[0] == 0)
{
if (sprite->animEnded)
{
sprite->invisible = TRUE;
sprite->data[0]++;
}
if (sprite->data[0] == 0)
return;
}
if (++sprite->data[1] > 34)
FieldEffectStop(sprite, FLDEFF_SPARKLE);
}
void sub_8155EA0(struct Sprite *sprite)
{
sprite->data[6] = 0;
sprite->data[7] = 0;
}
bool8 sub_8155EA8(struct Sprite *sprite)
{
bool8 returnBool = FALSE;
switch (sprite->data[7])
{
case 0:
sprite->pos2.x += sub_809773C(sprite->data[6]);
sprite->pos2.y += sub_8097728(sprite->data[6]);
break;
case 1:
sprite->pos2.x -= sub_809773C(0x47 - sprite->data[6]);
sprite->pos2.y += sub_8097728(0x47 - sprite->data[6]);
break;
case 2:
sprite->pos2.x -= sub_809773C(sprite->data[6]);
sprite->pos2.y += sub_8097728(sprite->data[6]);
break;
case 3:
sprite->pos2.x += sub_809773C(0x47 - sprite->data[6]);
sprite->pos2.y += sub_8097728(0x47 - sprite->data[6]);
break;
}
SetGpuReg(REG_OFFSET_BG0HOFS, -sprite->pos2.x);
if (++sprite->data[6] == 72)
{
sprite->data[6] = 0;
sprite->data[7]++;
}
if (sprite->data[7] == 4)
{
sprite->pos2.y = 0;
sprite->pos2.x = 0;
returnBool = TRUE;
}
return returnBool;
}
void sub_8155F80(struct Sprite *sprite)
{
u8 i, j;
switch (sprite->data[2])
{
case 0:
SetGpuReg(REG_OFFSET_BG0VOFS, 0x78 - (sprite->data[0] / 3));
if (sprite->data[0] == 0x60)
{
for (i = 0; i < 3; i++)
{
for (j = 12; j < 18; j++)
{
((u16*)(BG_SCREEN_ADDR(31)))[i * 32 + j] = 0xBFF4 + i * 6 + j + 1;
}
}
}
if (sprite->data[0] > 0x137)
{
sprite->data[2] = 1;
sprite->data[0] = 0;
}
break;
case 1:
sprite->pos1.y = (gSineTable[sprite->data[0] / 3] >> 2) + sprite->data[4];
if (sprite->data[0] == 0xBD)
{
sprite->data[2] = 2;
sprite->data[5] = 0;
sprite->data[0] = 0;
}
break;
case 2:
if (sprite->data[0] == 0x3C)
{
sprite->data[5]++;
sprite->data[0] = 0;
}
if (sprite->data[5] == 7)
{
sprite->data[5] = 0;
sprite->data[2] = 3;
}
break;
case 3:
if (sprite->pos2.y == 0)
{
sprite->data[0] = 0;
sprite->data[2]++;
}
if (sprite->data[0] == 5)
{
sprite->data[0] = 0;
if (sprite->pos2.y > 0)
sprite->pos2.y--;
else
sprite->pos2.y++;
}
break;
case 4:
if (sprite->data[0] == 0x3C)
{
sprite->data[2] = 5;
sprite->data[0] = 0;
sprite->data[5] = 0;
}
break;
case 5:
sub_8155EA0(sprite);
sprite->data[2] = 6;
sprite->data[0] = 0;
break;
case 6:
if (sub_8155EA8(sprite))
{
sprite->data[0] = 0;
if (++sprite->data[5] <= 2)
{
sub_8155EA0(sprite);
}
else
{
sprite->data[5] = 0;
sprite->data[2] = 7;
}
}
break;
case 7:
if (sprite->data[0] == 0x1E)
{
sprite->data[2] = 8;
sprite->data[0] = 0;
}
break;
case 8:
for (i = 0; i < 15; i++)
{
for (j = 12; j < 18; j++)
{
((u16*)(BG_SCREEN_ADDR(31)))[i * 32 + j] = 0;
}
}
SetGpuReg(REG_OFFSET_BG0VOFS, 0);
FieldEffectStop(sprite, FLDEFF_RAYQUAZA);
break;
}
if (sprite->data[2] == 1)
{
if ((sprite->data[1] & 7) == 0)
sprite->pos2.y += sprite->data[3];
if ((sprite->data[1] & 15) == 0)
sprite->data[3] = -sprite->data[3];
sprite->data[1]++;
}
sprite->data[0]++;
}
void sub_8156194(struct Sprite *sprite)
{
if (sprite->animEnded)
{
FieldEffectStop(sprite, sprite->data[1]);
}
else
{
UpdateEventObjectSpriteVisibility(sprite, FALSE);
SetObjectSubpriorityByZCoord(sprite->data[0], sprite, 0);
}
}
void WaitFieldEffectSpriteAnim(struct Sprite *sprite)
{
if (sprite->animEnded)
FieldEffectStop(sprite, sprite->data[0]);
else
UpdateEventObjectSpriteVisibility(sprite, FALSE);
}
static void sub_81561FC(struct Sprite *sprite, u8 z, u8 offset)
{
u8 i;
s16 var, xhi, lyhi, yhi, ylo;
const struct EventObjectGraphicsInfo *graphicsInfo; // Unused Variable
struct Sprite *linkedSprite;
SetObjectSubpriorityByZCoord(z, sprite, offset);
for (i = 0; i < EVENT_OBJECTS_COUNT; i ++)
{
struct EventObject *eventObject = &gEventObjects[i];
if (eventObject->active)
{
graphicsInfo = GetEventObjectGraphicsInfo(eventObject->graphicsId);
linkedSprite = &gSprites[eventObject->spriteId];
xhi = sprite->pos1.x + sprite->centerToCornerVecX;
var = sprite->pos1.x - sprite->centerToCornerVecX;
if (xhi < linkedSprite->pos1.x && var > linkedSprite->pos1.x)
{
lyhi = linkedSprite->pos1.y + linkedSprite->centerToCornerVecY;
var = linkedSprite->pos1.y;
ylo = sprite->pos1.y - sprite->centerToCornerVecY;
yhi = ylo + linkedSprite->centerToCornerVecY;
if ((lyhi < yhi || lyhi < ylo) && var > yhi && sprite->subpriority <= linkedSprite->subpriority)
{
sprite->subpriority = linkedSprite->subpriority + 2;
break;
}
}
}
}
}
// Unused data. Feel free to remove.
static const u8 gUnknown_085CDC6E[] =
{
0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x02, 0x02,
0x01, 0x02, 0x02, 0x01, 0x02, 0x02, 0x01, 0x02, 0x01, 0x01, 0x02, 0x01, 0x01, 0x02,
0x01, 0x01, 0x02, 0x01, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x01, 0x01, 0x00, 0x01, 0x01, 0x00,
0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x01, 0x01,
0x00, 0x01, 0x01, 0x00, 0x01, 0x01, 0x00, 0x01, 0x01, 0x00, 0x01, 0x01, 0x00, 0x00,
0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF,
0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00
};