diff options
Diffstat (limited to 'src/field_ground_effect.c')
| -rw-r--r-- | src/field_ground_effect.c | 595 |
1 files changed, 574 insertions, 21 deletions
diff --git a/src/field_ground_effect.c b/src/field_ground_effect.c index 42862d0ff..b9935463b 100644 --- a/src/field_ground_effect.c +++ b/src/field_ground_effect.c @@ -1,11 +1,38 @@ #include "global.h" #include "field_ground_effect.h" +#include "field_effect.h" +#include "field_effect_helpers.h" +#include "field_map_obj_helpers.h" #include "fieldmap.h" #include "metatile_behavior.h" -extern u32 gUnknown_08376008[]; +static void nullsub(struct MapObject *mapObj, struct Sprite *sprite, u8); +static void DoTracksGroundEffect_Footprints(struct MapObject *mapObj, struct Sprite *sprite, u8); +static void DoTracksGroundEffect_BikeTireTracks( + struct MapObject *mapObj, struct Sprite *sprite, u8); +void GroundEffect_SpawnOnTallGrass(struct MapObject *mapObj, struct Sprite *sprite); +void sub_8063E94(struct MapObject *mapObj, struct Sprite *sprite); +void sub_8063EE0(struct MapObject *mapObj, struct Sprite *sprite); +void sub_8063F2C(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_WaterReflection(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_IceReflection(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_FlowingWater(struct MapObject *mapObj, struct Sprite *sprite); +void sub_8063FA0(struct MapObject *mapObj, struct Sprite *sprite); +void sub_8063FCC(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_Ripple(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_StepOnPuddle(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_SandPile(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_JumpOnTallGrass(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_JumpOnLongGrass(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_JumpOnShallowWater(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_JumpOnWater(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_JumpLandingDust(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_ShortGrass(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_HotSprings(struct MapObject *mapObj, struct Sprite *sprite); +void GroundEffect_Seaweed(struct MapObject *mapObj, struct Sprite *sprite); +u8 GetReflectionTypeByMetatileBehavior(u32 behavior); -void GetAllGroundEffectFlags_OnSpawn(struct MapObject *mapObj, u32 *flags) +static void GetAllGroundEffectFlags_OnSpawn(struct MapObject *mapObj, u32 *flags) { FieldObjectUpdateMetatileBehaviors(mapObj); GetGroundEffectFlags_Reflection(mapObj, flags); @@ -17,7 +44,7 @@ void GetAllGroundEffectFlags_OnSpawn(struct MapObject *mapObj, u32 *flags) GetGroundEffectFlags_HotSprings(mapObj, flags); } -void GetAllGroundEffectFlags_OnBeginStep(struct MapObject *mapObj, u32 *flags) +static void GetAllGroundEffectFlags_OnBeginStep(struct MapObject *mapObj, u32 *flags) { FieldObjectUpdateMetatileBehaviors(mapObj); GetGroundEffectFlags_Reflection(mapObj, flags); @@ -31,7 +58,7 @@ void GetAllGroundEffectFlags_OnBeginStep(struct MapObject *mapObj, u32 *flags) GetGroundEffectFlags_HotSprings(mapObj, flags); } -void GetAllGroundEffectFlags_OnFinishStep(struct MapObject *mapObj, u32 *flags) +static void GetAllGroundEffectFlags_OnFinishStep(struct MapObject *mapObj, u32 *flags) { FieldObjectUpdateMetatileBehaviors(mapObj); GetGroundEffectFlags_ShallowFlowingWater(mapObj, flags); @@ -101,7 +128,7 @@ void GetGroundEffectFlags_Tracks(struct MapObject *mapObj, u32 *flags) *flags |= 0x100; } else if (MetatileBehavior_IsSandOrDeepSand(mapObj->mapobj_unk_1F) - || MetatileBehavior_IsUnusedFootprintMetatile(mapObj->mapobj_unk_1F)) + || MetatileBehavior_IsUnusedFootprintMetatile(mapObj->mapobj_unk_1F)) { *flags |= 0x80; } @@ -110,7 +137,7 @@ void GetGroundEffectFlags_Tracks(struct MapObject *mapObj, u32 *flags) void GetGroundEffectFlags_SandPile(struct MapObject *mapObj, u32 *flags) { if (MetatileBehavior_IsDeepSand(mapObj->mapobj_unk_1E) - && MetatileBehavior_IsDeepSand(mapObj->mapobj_unk_1F)) + && MetatileBehavior_IsDeepSand(mapObj->mapobj_unk_1F)) { if (!mapObj->mapobj_bit_20) { @@ -127,8 +154,10 @@ void GetGroundEffectFlags_SandPile(struct MapObject *mapObj, u32 *flags) void GetGroundEffectFlags_ShallowFlowingWater(struct MapObject *mapObj, u32 *flags) { - if ((MetatileBehavior_IsShallowFlowingWater(mapObj->mapobj_unk_1E) && MetatileBehavior_IsShallowFlowingWater(mapObj->mapobj_unk_1F)) - || (MetatileBehavior_IsPacifidlogLog(mapObj->mapobj_unk_1E) && MetatileBehavior_IsPacifidlogLog(mapObj->mapobj_unk_1F))) + if ((MetatileBehavior_IsShallowFlowingWater(mapObj->mapobj_unk_1E) + && MetatileBehavior_IsShallowFlowingWater(mapObj->mapobj_unk_1F)) + || (MetatileBehavior_IsPacifidlogLog(mapObj->mapobj_unk_1E) + && MetatileBehavior_IsPacifidlogLog(mapObj->mapobj_unk_1F))) { if (!mapObj->mapobj_bit_19) { @@ -146,7 +175,7 @@ void GetGroundEffectFlags_ShallowFlowingWater(struct MapObject *mapObj, u32 *fla void GetGroundEffectFlags_Puddle(struct MapObject *mapObj, u32 *flags) { if (MetatileBehavior_IsPuddle(mapObj->mapobj_unk_1E) - && MetatileBehavior_IsPuddle(mapObj->mapobj_unk_1F)) + && MetatileBehavior_IsPuddle(mapObj->mapobj_unk_1F)) { *flags |= 0x400; } @@ -161,7 +190,7 @@ void GetGroundEffectFlags_Ripple(struct MapObject *mapObj, u32 *flags) void GetGroundEffectFlags_ShortGrass(struct MapObject *mapObj, u32 *flags) { if (MetatileBehavior_IsShortGrass(mapObj->mapobj_unk_1E) - && MetatileBehavior_IsShortGrass(mapObj->mapobj_unk_1F)) + && MetatileBehavior_IsShortGrass(mapObj->mapobj_unk_1F)) { if (!mapObj->mapobj_bit_18) { @@ -179,7 +208,7 @@ void GetGroundEffectFlags_ShortGrass(struct MapObject *mapObj, u32 *flags) void GetGroundEffectFlags_HotSprings(struct MapObject *mapObj, u32 *flags) { if (MetatileBehavior_IsHotSprings(mapObj->mapobj_unk_1E) - && MetatileBehavior_IsHotSprings(mapObj->mapobj_unk_1F)) + && MetatileBehavior_IsHotSprings(mapObj->mapobj_unk_1F)) { if (!mapObj->mapobj_bit_21) { @@ -204,8 +233,7 @@ void GetGroundEffectFlags_JumpLanding(struct MapObject *mapObj, u32 *flags) { typedef bool8 (*MetatileFunc)(u8); - static const MetatileFunc metatileFuncs[] = - { + static const MetatileFunc metatileFuncs[] = { MetatileBehavior_IsTallGrass, MetatileBehavior_IsLongGrass, MetatileBehavior_IsPuddle, @@ -214,14 +242,13 @@ void GetGroundEffectFlags_JumpLanding(struct MapObject *mapObj, u32 *flags) MetatileBehavior_IsATile, }; - static const u32 jumpLandingFlags[] = - { - 0x00001000, // Landing in tall grass - 0x00002000, // Landing in long grass - 0x00004000, // Landing on puddle - 0x00008000, // Landing on surfable water or underwater - 0x00004000, // Landing on shallow flowing water - 0x00010000, // Landing on any other type of ground + static const u32 jumpLandingFlags[] = { + 0x00001000, // Landing in tall grass + 0x00002000, // Landing in long grass + 0x00004000, // Landing on puddle + 0x00008000, // Landing on surfable water or underwater + 0x00004000, // Landing on shallow flowing water + 0x00010000, // Landing on any other type of ground }; if (mapObj->mapobj_bit_5 && !mapObj->mapobj_bit_25) @@ -238,3 +265,529 @@ void GetGroundEffectFlags_JumpLanding(struct MapObject *mapObj, u32 *flags) } } } + +u8 FieldObjectCheckForReflectiveSurface(struct MapObject *mapObj) +{ + const struct MapObjectGraphicsInfo *info = GetFieldObjectGraphicsInfo(mapObj->graphicsId); + + // ceil div by tile width? + s16 width = (info->width + 8) >> 4; + s16 height = (info->height + 8) >> 4; + s16 i; + s16 j; + u8 result; + u8 b; + s16 one; + +#define RETURN_REFLECTION_TYPE_AT(x, y) \ + b = MapGridGetMetatileBehaviorAt(x, y); \ + result = GetReflectionTypeByMetatileBehavior(b); \ + if (result != 0) \ + return result; + + for (i = 0, one = 1; i < height; i++) + { + RETURN_REFLECTION_TYPE_AT(mapObj->coords2.x, mapObj->coords2.y + one + i) + RETURN_REFLECTION_TYPE_AT(mapObj->coords3.x, mapObj->coords3.y + one + i) + for (j = 1; j < width; j++) + { + RETURN_REFLECTION_TYPE_AT(mapObj->coords2.x + j, mapObj->coords2.y + one + i) + RETURN_REFLECTION_TYPE_AT(mapObj->coords2.x - j, mapObj->coords2.y + one + i) + RETURN_REFLECTION_TYPE_AT(mapObj->coords3.x + j, mapObj->coords3.y + one + i) + RETURN_REFLECTION_TYPE_AT(mapObj->coords3.x - j, mapObj->coords3.y + one + i) + } + } + return 0; + +#undef RETURN_REFLECTION_TYPE_AT +} + +u8 GetReflectionTypeByMetatileBehavior(u32 behavior) +{ + if (MetatileBehavior_IsIce(behavior)) + return 1; + else if (MetatileBehavior_IsReflective(behavior)) + return 2; + else + return 0; +} + +u8 GetLedgeJumpDirection(s16 x, s16 y, u8 z) +{ + static bool8 (*const unknown_08376040[])(u8) = { + MetatileBehavior_IsJumpSouth, + MetatileBehavior_IsJumpNorth, + MetatileBehavior_IsJumpWest, + MetatileBehavior_IsJumpEast, + }; + + u8 b; + u8 index = z; + + if (index == 0) + return 0; + else if (index > 4) + index -= 4; + + index--; + b = MapGridGetMetatileBehaviorAt(x, y); + + if (unknown_08376040[index](b) == 1) + return index + 1; + + return 0; +} + +void FieldObjectSetSpriteOamTableForLongGrass(struct MapObject *mapObj, struct Sprite *sprite) +{ + if (mapObj->mapobj_bit_4) + return; + + if (!MetatileBehavior_IsLongGrass(mapObj->mapobj_unk_1E)) + return; + + if (!MetatileBehavior_IsLongGrass(mapObj->mapobj_unk_1F)) + return; + + sprite->subspriteTableNum = 4; + + if (ZCoordToPriority(mapObj->elevation) == 1) + sprite->subspriteTableNum = 5; +} + +bool8 IsZCoordMismatchAt(u8 z, s16 x, s16 y) +{ + u8 mapZ; + + if (z == 0) + return FALSE; + + mapZ = MapGridGetZCoordAt(x, y); + + if (mapZ == 0 || mapZ == 0xF) + return FALSE; + + if (mapZ != z) + return TRUE; + + return FALSE; +} + +static const u8 sUnknown_08376050[] = { + 0x73, 0x73, 0x53, 0x73, 0x53, 0x73, 0x53, 0x73, 0x53, 0x73, 0x53, 0x73, 0x53, 0x00, 0x00, 0x73 +}; + +// Each byte corresponds to a sprite priority for a field object. +// This is directly the inverse of gFieldObjectPriorities_08376070. +static const u8 sFieldObjectPriorities_08376060[] = { + 2, 2, 2, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 0, 0, 2 +}; + +// Each byte corresponds to a sprite priority for a field object. +// This is the inverse of gFieldObjectPriorities_08376060. +// 1 = Above player sprite +// 2 = Below player sprite +static const u8 sFieldObjectPriorities_08376070[] = { + 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 0, 0, 1, +}; + +void FieldObjectUpdateZCoordAndPriority(struct MapObject *mapObj, struct Sprite *sprite) +{ + if (mapObj->mapobj_bit_26) + return; + + FieldObjectUpdateZCoord(mapObj); + + sprite->subspriteTableNum = sFieldObjectPriorities_08376070[mapObj->elevation]; + sprite->oam.priority = sFieldObjectPriorities_08376060[mapObj->elevation]; +} + +void InitObjectPriorityByZCoord(struct Sprite *sprite, u8 z) +{ + sprite->subspriteTableNum = sFieldObjectPriorities_08376070[z]; + sprite->oam.priority = sFieldObjectPriorities_08376060[z]; +} + +u8 ZCoordToPriority(u8 z) +{ + return sFieldObjectPriorities_08376060[z]; +} + +void FieldObjectUpdateZCoord(struct MapObject *mapObj) +{ + u8 z = MapGridGetZCoordAt(mapObj->coords2.x, mapObj->coords2.y); + u8 z2 = MapGridGetZCoordAt(mapObj->coords3.x, mapObj->coords3.y); + + if (z == 0xF || z2 == 0xF) + return; + + mapObj->mapobj_unk_0B_0 = z; + + if (z != 0 && z != 0xF) + mapObj->elevation = z; +} + +void SetObjectSubpriorityByZCoord(u8 a, struct Sprite *sprite, u8 b) +{ + s32 tmp = sprite->centerToCornerVecY; + u32 tmpa = *(u16 *)&sprite->pos1.y; + u32 tmpb = *(u16 *)&gSpriteCoordOffsetY; + s32 tmp2 = (tmpa - tmp) + tmpb; + u16 tmp3 = (0x10 - ((((u32)tmp2 + 8) & 0xFF) >> 4)) * 2; + sprite->subpriority = tmp3 + sUnknown_08376050[a] + b; +} + +void FieldObjectUpdateSubpriority(struct MapObject *mapObj, struct Sprite *sprite) +{ + if (mapObj->mapobj_bit_26) + return; + + SetObjectSubpriorityByZCoord(mapObj->elevation, sprite, 1); +} + +bool8 AreZCoordsCompatible(u8 a, u8 b) +{ + if (a == 0 || b == 0) + return TRUE; + + if (a != b) + return FALSE; + + return TRUE; +} + +void GroundEffect_SpawnOnTallGrass(struct MapObject *mapObj, struct Sprite *sprite) +{ + u8 *ptr; + + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + gUnknown_0202FF84[2] = mapObj->elevation; + gUnknown_0202FF84[3] = 2; + gUnknown_0202FF84[4] = (mapObj->localId << 8) | mapObj->mapNum; + gUnknown_0202FF84[5] = mapObj->mapGroup; + + ptr = (u8 *)&gSaveBlock1; + gUnknown_0202FF84[6] = ((u8)gSaveBlock1.location.mapNum << 8) + | (u8)gSaveBlock1.location.mapGroup; + + gUnknown_0202FF84[7] = 1; + FieldEffectStart(4); +} + +void sub_8063E94(struct MapObject *mapObj, struct Sprite *sprite) +{ + u8 *ptr; + + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + gUnknown_0202FF84[2] = mapObj->elevation; + gUnknown_0202FF84[3] = 2; + gUnknown_0202FF84[4] = (mapObj->localId << 8) | mapObj->mapNum; + gUnknown_0202FF84[5] = mapObj->mapGroup; + + ptr = (u8 *)&gSaveBlock1; + gUnknown_0202FF84[6] = ((u8)gSaveBlock1.location.mapNum << 8) + | (u8)gSaveBlock1.location.mapGroup; + + gUnknown_0202FF84[7] = 0; + FieldEffectStart(4); +} + +void sub_8063EE0(struct MapObject *mapObj, struct Sprite *sprite) +{ + u8 *ptr; + + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + gUnknown_0202FF84[2] = mapObj->elevation; + gUnknown_0202FF84[3] = 2; + gUnknown_0202FF84[4] = (mapObj->localId << 8) | mapObj->mapNum; + gUnknown_0202FF84[5] = mapObj->mapGroup; + + ptr = (u8 *)&gSaveBlock1; + gUnknown_0202FF84[6] = ((u8)gSaveBlock1.location.mapNum << 8) + | (u8)gSaveBlock1.location.mapGroup; + + gUnknown_0202FF84[7] = 1; + FieldEffectStart(17); +} + +void sub_8063F2C(struct MapObject *mapObj, struct Sprite *sprite) +{ + u8 *ptr; + + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + gUnknown_0202FF84[2] = mapObj->elevation; + gUnknown_0202FF84[3] = 2; + gUnknown_0202FF84[4] = (mapObj->localId << 8) | mapObj->mapNum; + gUnknown_0202FF84[5] = mapObj->mapGroup; + + ptr = (u8 *)&gSaveBlock1; + gUnknown_0202FF84[6] = ((u8)gSaveBlock1.location.mapNum << 8) + | (u8)gSaveBlock1.location.mapGroup; + + gUnknown_0202FF84[7] = 0; + FieldEffectStart(17); +} + +void GroundEffect_WaterReflection(struct MapObject *mapObj, struct Sprite *sprite) +{ + SetUpReflection(mapObj, sprite, 0); +} + +void GroundEffect_IceReflection(struct MapObject *mapObj, struct Sprite *sprite) +{ + SetUpReflection(mapObj, sprite, 1); +} + +void GroundEffect_FlowingWater(struct MapObject *mapObj, struct Sprite *sprite) +{ + oe_exec_and_other_stuff(FLDEFF_FEET_IN_FLOWING_WATER, mapObj); +} + +static void (*const gUnknown_08376080[])(struct MapObject *mapObj, struct Sprite *sprite, u8 a) = { + nullsub, DoTracksGroundEffect_Footprints, DoTracksGroundEffect_BikeTireTracks, +}; + +void sub_8063FA0(struct MapObject *mapObj, struct Sprite *sprite) +{ + const struct MapObjectGraphicsInfo *info = GetFieldObjectGraphicsInfo(mapObj->graphicsId); + gUnknown_08376080[info->tracks](mapObj, sprite, 0); +} + +void sub_8063FCC(struct MapObject *mapObj, struct Sprite *sprite) +{ + const struct MapObjectGraphicsInfo *info = GetFieldObjectGraphicsInfo(mapObj->graphicsId); + gUnknown_08376080[info->tracks](mapObj, sprite, 1); +} + +static void nullsub(struct MapObject *mapObj, struct Sprite *sprite, u8 a) +{ +} + +static void DoTracksGroundEffect_Footprints(struct MapObject *mapObj, struct Sprite *sprite, u8 a) +{ + // First half-word is a Field Effect script id. (gFieldEffectScriptPointers) + u16 sandFootprints_FieldEffectData[2] = { 0xD, 0x18 }; + + gUnknown_0202FF84[0] = mapObj->coords3.x; + gUnknown_0202FF84[1] = mapObj->coords3.y; + gUnknown_0202FF84[2] = 149; + gUnknown_0202FF84[3] = 2; + gUnknown_0202FF84[4] = mapObj->mapobj_unk_18; + FieldEffectStart(sandFootprints_FieldEffectData[a]); +} + +static void DoTracksGroundEffect_BikeTireTracks( + struct MapObject *mapObj, struct Sprite *sprite, u8 a) +{ + // Specifies which bike track shape to show next. + // For example, when the bike turns from up to right, it will show + // a track that curves to the right. + // Each 4-byte row corresponds to the initial direction of the bike, and + // each byte in that row is for the next direction of the bike in the order + // of down, up, left, right. + static const u8 bikeTireTracks_Transitions[4][4] = { + 1, 2, 7, 8, + 1, 2, 6, 5, + 5, 8, 3, 4, + 6, 7, 3, 4, + }; + + if (mapObj->coords2.x != mapObj->coords3.x || mapObj->coords2.y != mapObj->coords3.y) + { + gUnknown_0202FF84[0] = mapObj->coords3.x; + gUnknown_0202FF84[1] = mapObj->coords3.y; + gUnknown_0202FF84[2] = 149; + gUnknown_0202FF84[3] = 2; + gUnknown_0202FF84[4] = + bikeTireTracks_Transitions[mapObj->mapobj_unk_20][mapObj->mapobj_unk_18 - 5]; + FieldEffectStart(FLDEFF_BIKE_TIRE_TRACKS); + } +} + +void GroundEffect_Ripple(struct MapObject *mapObj, struct Sprite *sprite) +{ + DoRippleFieldEffect(mapObj, sprite); +} + +void GroundEffect_StepOnPuddle(struct MapObject *mapObj, struct Sprite *sprite) +{ + oe_exec_and_other_stuff(FLDEFF_SPLASH, mapObj); +} + +void GroundEffect_SandPile(struct MapObject *mapObj, struct Sprite *sprite) +{ + oe_exec_and_other_stuff(FLDEFF_SAND_PILE, mapObj); +} + +void GroundEffect_JumpOnTallGrass(struct MapObject *mapObj, struct Sprite *sprite) +{ + u8 spriteId; + + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + gUnknown_0202FF84[2] = mapObj->elevation; + gUnknown_0202FF84[3] = 2; + FieldEffectStart(FLDEFF_JUMP_TALL_GRASS); + + spriteId = sub_8126FF0( + mapObj->localId, mapObj->mapNum, mapObj->mapGroup, mapObj->coords2.x, mapObj->coords2.y); + + if (spriteId == MAX_SPRITES) + GroundEffect_SpawnOnTallGrass(mapObj, sprite); +} + +void GroundEffect_JumpOnLongGrass(struct MapObject *mapObj, struct Sprite *sprite) +{ + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + gUnknown_0202FF84[2] = mapObj->elevation; + gUnknown_0202FF84[3] = 2; + FieldEffectStart(FLDEFF_JUMP_LONG_GRASS); +} + +void GroundEffect_JumpOnShallowWater(struct MapObject *mapObj, struct Sprite *sprite) +{ + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + gUnknown_0202FF84[2] = mapObj->elevation; + gUnknown_0202FF84[3] = sprite->oam.priority; + FieldEffectStart(FLDEFF_JUMP_SMALL_SPLASH); +} + +void GroundEffect_JumpOnWater(struct MapObject *mapObj, struct Sprite *sprite) +{ + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + gUnknown_0202FF84[2] = mapObj->elevation; + gUnknown_0202FF84[3] = sprite->oam.priority; + FieldEffectStart(FLDEFF_JUMP_BIG_SPLASH); +} + +void GroundEffect_JumpLandingDust(struct MapObject *mapObj, struct Sprite *sprite) +{ + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + gUnknown_0202FF84[2] = mapObj->elevation; + gUnknown_0202FF84[3] = sprite->oam.priority; + FieldEffectStart(FLDEFF_DUST); +} + +void GroundEffect_ShortGrass(struct MapObject *mapObj, struct Sprite *sprite) +{ + oe_exec_and_other_stuff(FLDEFF_SHORT_GRASS, mapObj); +} + +void GroundEffect_HotSprings(struct MapObject *mapObj, struct Sprite *sprite) +{ + oe_exec_and_other_stuff(FLDEFF_HOT_SPRINGS_WATER, mapObj); +} + +void GroundEffect_Seaweed(struct MapObject *mapObj, struct Sprite *sprite) +{ + gUnknown_0202FF84[0] = mapObj->coords2.x; + gUnknown_0202FF84[1] = mapObj->coords2.y; + FieldEffectStart(FLDEFF_BUBBLES); +} + +static void (*const gUnknown_083760A0[])(struct MapObject *mapObj, struct Sprite *sprite) = { + GroundEffect_SpawnOnTallGrass, + sub_8063E94, + sub_8063EE0, + sub_8063F2C, + GroundEffect_WaterReflection, + GroundEffect_IceReflection, + GroundEffect_FlowingWater, + sub_8063FA0, + sub_8063FCC, + GroundEffect_Ripple, + GroundEffect_StepOnPuddle, + GroundEffect_SandPile, + GroundEffect_JumpOnTallGrass, + GroundEffect_JumpOnLongGrass, + GroundEffect_JumpOnShallowWater, + GroundEffect_JumpOnWater, + GroundEffect_JumpLandingDust, + GroundEffect_ShortGrass, + GroundEffect_HotSprings, + GroundEffect_Seaweed +}; + +void sub_8064218(struct MapObject *mapObj, struct Sprite *sprite, u32 flags) +{ + u8 i; + for (i = 0; i < ARRAY_COUNT(gUnknown_083760A0); i++, flags >>= 1) + if (flags & 1) + gUnknown_083760A0[i](mapObj, sprite); +} + +void filters_out_some_ground_effects(struct MapObject *mapObj, u32 *flags) +{ + if (mapObj->mapobj_bit_4) + { + mapObj->mapobj_bit_18 = 0; + mapObj->mapobj_bit_20 = 0; + mapObj->mapobj_bit_19 = 0; + mapObj->mapobj_bit_21 = 0; + *flags &= 0xFFF9F7BD; + } +} + +void FilterOutStepOnPuddleGroundEffectIfJumping(struct MapObject *mapObj, u32 *flags) +{ + if (mapObj->mapobj_bit_5) + *flags &= 0xFFFFFBFF; +} + +void DoGroundEffects_OnSpawn(struct MapObject *mapObj, struct Sprite *sprite) +{ + u32 flags; + + if (mapObj->mapobj_bit_2) + { + flags = 0; + FieldObjectUpdateZCoordAndPriority(mapObj, sprite); + GetAllGroundEffectFlags_OnSpawn(mapObj, &flags); + FieldObjectSetSpriteOamTableForLongGrass(mapObj, sprite); + sub_8064218(mapObj, sprite, flags); + mapObj->mapobj_bit_2 = 0; + mapObj->mapobj_bit_4 = 0; + } +} + +void DoGroundEffects_OnBeginStep(struct MapObject *mapObj, struct Sprite *sprite) +{ + u32 flags; + + if (mapObj->mapobj_bit_2) + { + flags = 0; + FieldObjectUpdateZCoordAndPriority(mapObj, sprite); + GetAllGroundEffectFlags_OnBeginStep(mapObj, &flags); + FieldObjectSetSpriteOamTableForLongGrass(mapObj, sprite); + filters_out_some_ground_effects(mapObj, &flags); + sub_8064218(mapObj, sprite, flags); + mapObj->mapobj_bit_2 = 0; + mapObj->mapobj_bit_4 = 0; + } +} + +void DoGroundEffects_OnFinishStep(struct MapObject *mapObj, struct Sprite *sprite) +{ + u32 flags; + + if (mapObj->mapobj_bit_3) + { + flags = 0; + FieldObjectUpdateZCoordAndPriority(mapObj, sprite); + GetAllGroundEffectFlags_OnFinishStep(mapObj, &flags); + FieldObjectSetSpriteOamTableForLongGrass(mapObj, sprite); + FilterOutStepOnPuddleGroundEffectIfJumping(mapObj, &flags); + sub_8064218(mapObj, sprite, flags); + mapObj->mapobj_bit_3 = 0; + mapObj->mapobj_bit_5 = 0; + } +} |