forked from pret/pokeemerald
/
field_control_avatar.c
1129 lines (1012 loc) · 36.6 KB
/
field_control_avatar.c
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#include "global.h"
#include "battle_setup.h"
#include "bike.h"
#include "coord_event_weather.h"
#include "daycare.h"
#include "faraway_island.h"
#include "event_data.h"
#include "event_object_movement.h"
#include "event_scripts.h"
#include "fieldmap.h"
#include "field_control_avatar.h"
#include "field_message_box.h"
#include "field_player_avatar.h"
#include "field_poison.h"
#include "field_screen_effect.h"
#include "field_specials.h"
#include "fldeff_misc.h"
#include "item_menu.h"
#include "link.h"
#include "match_call.h"
#include "metatile_behavior.h"
#include "overworld.h"
#include "pokemon.h"
#include "safari_zone.h"
#include "script.h"
#include "secret_base.h"
#include "sound.h"
#include "start_menu.h"
#include "trainer_see.h"
#include "trainer_hill.h"
#include "wild_encounter.h"
#include "constants/event_bg.h"
#include "constants/event_objects.h"
#include "constants/field_poison.h"
#include "constants/map_types.h"
#include "constants/maps.h"
#include "constants/songs.h"
#include "constants/trainer_hill.h"
static EWRAM_DATA u8 sWildEncounterImmunitySteps = 0;
static EWRAM_DATA u16 sPreviousPlayerMetatileBehavior = 0;
u8 gSelectedObjectEvent;
#define SIGNPOST_POKECENTER 0
#define SIGNPOST_POKEMART 1
#define SIGNPOST_INDIGO_1 2
#define SIGNPOST_INDIGO_2 3
#define SIGNPOST_SCRIPTED 240
#define SIGNPOST_NA 255
static void GetPlayerPosition(struct MapPosition *);
static void GetInFrontOfPlayerPosition(struct MapPosition *);
static u16 GetPlayerCurMetatileBehavior(int);
static bool8 TryStartInteractionScript(struct MapPosition*, u16, u8);
static const u8 *GetInteractionScript(struct MapPosition*, u8, u8);
static const u8 *GetInteractedObjectEventScript(struct MapPosition *, u8, u8);
static const u8 *GetInteractedBackgroundEventScript(struct MapPosition *, u8, u8);
static const u8 *GetInteractedMetatileScript(struct MapPosition *, u8, u8);
static const u8 *GetInteractedWaterScript(struct MapPosition *, u8, u8);
static bool32 TrySetupDiveDownScript(void);
static bool32 TrySetupDiveEmergeScript(void);
static bool8 TryStartStepBasedScript(struct MapPosition *, u16, u16);
static bool8 CheckStandardWildEncounter(u16);
static bool8 TryArrowWarp(struct MapPosition *, u16, u8);
static bool8 IsWarpMetatileBehavior(u16);
static bool8 IsArrowWarpMetatileBehavior(u16, u8);
static s8 GetWarpEventAtMapPosition(struct MapHeader *, struct MapPosition *);
static void SetupWarp(struct MapHeader *, s8, struct MapPosition *);
static bool8 TryDoorWarp(struct MapPosition *, u16, u8);
static s8 GetWarpEventAtPosition(struct MapHeader *, u16, u16, u8);
static u8 *GetCoordEventScriptAtPosition(struct MapHeader *, u16, u16, u8);
static struct BgEvent *GetBackgroundEventAtPosition(struct MapHeader *, u16, u16, u8);
static bool8 TryStartCoordEventScript(struct MapPosition *);
static bool8 TryStartWarpEventScript(struct MapPosition *, u16);
static bool8 TryStartMiscWalkingScripts(u16);
static bool8 TryStartStepCountScript(u16);
static void UpdateFriendshipStepCounter(void);
static bool8 UpdatePoisonStepCounter(void);
static bool8 TrySetUpWalkIntoSignpostScript(struct MapPosition * position, u16 metatileBehavior, u8 playerDirection);
static void SetUpWalkIntoSignScript(const u8 *script, u8 playerDirection);
static u8 GetFacingSignpostType(u16 metatileBehvaior, u8 direction);
static const u8 *GetSignpostScriptAtMapPosition(struct MapPosition * position);
void FieldClearPlayerInput(struct FieldInput *input)
{
input->pressedAButton = FALSE;
input->checkStandardWildEncounter = FALSE;
input->pressedStartButton = FALSE;
input->pressedSelectButton = FALSE;
input->heldDirection = FALSE;
input->heldDirection2 = FALSE;
input->tookStep = FALSE;
input->pressedBButton = FALSE;
input->input_field_1_0 = FALSE;
input->input_field_1_1 = FALSE;
input->input_field_1_2 = FALSE;
input->input_field_1_3 = FALSE;
input->dpadDirection = 0;
}
void FieldGetPlayerInput(struct FieldInput *input, u16 newKeys, u16 heldKeys)
{
u8 tileTransitionState = gPlayerAvatar.tileTransitionState;
u8 runningState = gPlayerAvatar.runningState;
bool8 forcedMove = MetatileBehavior_IsForcedMovementTile(GetPlayerCurMetatileBehavior(runningState));
if ((tileTransitionState == T_TILE_CENTER && forcedMove == FALSE) || tileTransitionState == T_NOT_MOVING)
{
if (GetPlayerSpeed() != 4)
{
if (newKeys & START_BUTTON)
input->pressedStartButton = TRUE;
if (newKeys & SELECT_BUTTON)
input->pressedSelectButton = TRUE;
if (newKeys & A_BUTTON)
input->pressedAButton = TRUE;
if (newKeys & B_BUTTON)
input->pressedBButton = TRUE;
}
if (heldKeys & (DPAD_UP | DPAD_DOWN | DPAD_LEFT | DPAD_RIGHT))
{
input->heldDirection = TRUE;
input->heldDirection2 = TRUE;
}
}
if (forcedMove == FALSE)
{
if (tileTransitionState == T_TILE_CENTER && runningState == MOVING)
input->tookStep = TRUE;
if (forcedMove == FALSE && tileTransitionState == T_TILE_CENTER)
input->checkStandardWildEncounter = TRUE;
}
if (heldKeys & DPAD_UP)
input->dpadDirection = DIR_NORTH;
else if (heldKeys & DPAD_DOWN)
input->dpadDirection = DIR_SOUTH;
else if (heldKeys & DPAD_LEFT)
input->dpadDirection = DIR_WEST;
else if (heldKeys & DPAD_RIGHT)
input->dpadDirection = DIR_EAST;
}
int ProcessPlayerFieldInput(struct FieldInput *input)
{
struct MapPosition position;
u8 playerDirection;
u16 metatileBehavior;
gSpecialVar_LastTalked = 0;
gSelectedObjectEvent = 0;
ResetFacingNpcOrSignPostVars();
playerDirection = GetPlayerFacingDirection();
GetPlayerPosition(&position);
metatileBehavior = MapGridGetMetatileBehaviorAt(position.x, position.y);
if (CheckForTrainersWantingBattle() == TRUE)
return TRUE;
if (TryRunOnFrameMapScript() == TRUE)
return TRUE;
if (input->pressedBButton && TrySetupDiveEmergeScript() == TRUE)
return TRUE;
if (input->tookStep)
{
IncrementGameStat(GAME_STAT_STEPS);
IncrementBirthIslandRockStepCount();
if (TryStartStepBasedScript(&position, metatileBehavior, playerDirection) == TRUE)
return TRUE;
}
if (input->checkStandardWildEncounter)
{
if (input->dpadDirection == 0 || input->dpadDirection == playerDirection)
{
GetInFrontOfPlayerPosition(&position);
metatileBehavior = MapGridGetMetatileBehaviorAt(position.x, position.y);
if (TrySetUpWalkIntoSignpostScript(&position, metatileBehavior, playerDirection) == TRUE)
return TRUE;
GetPlayerPosition(&position);
metatileBehavior = MapGridGetMetatileBehaviorAt(position.x, position.y);
}
}
if (input->checkStandardWildEncounter && CheckStandardWildEncounter(metatileBehavior) == TRUE)
return TRUE;
if (input->heldDirection && input->dpadDirection == playerDirection)
{
if (TryArrowWarp(&position, metatileBehavior, playerDirection) == TRUE)
return TRUE;
}
GetInFrontOfPlayerPosition(&position);
metatileBehavior = MapGridGetMetatileBehaviorAt(position.x, position.y);
if (input->heldDirection && input->dpadDirection == playerDirection)
{
if (TrySetUpWalkIntoSignpostScript(&position, metatileBehavior, playerDirection) == TRUE)
return TRUE;
}
if (input->pressedAButton && TryStartInteractionScript(&position, metatileBehavior, playerDirection) == TRUE)
return TRUE;
if (input->heldDirection2 && input->dpadDirection == playerDirection)
{
if (TryDoorWarp(&position, metatileBehavior, playerDirection) == TRUE)
return TRUE;
}
if (input->pressedAButton && TrySetupDiveDownScript() == TRUE)
return TRUE;
if (input->pressedStartButton)
{
PlaySE(SE_WIN_OPEN);
ShowStartMenu();
return TRUE;
}
if (input->pressedSelectButton && UseRegisteredKeyItemOnField() == TRUE)
return TRUE;
return FALSE;
}
static void GetPlayerPosition(struct MapPosition *position)
{
PlayerGetDestCoords(&position->x, &position->y);
position->height = PlayerGetZCoord();
}
static void GetInFrontOfPlayerPosition(struct MapPosition *position)
{
s16 x, y;
GetXYCoordsOneStepInFrontOfPlayer(&position->x, &position->y);
PlayerGetDestCoords(&x, &y);
if (MapGridGetZCoordAt(x, y) != 0)
position->height = PlayerGetZCoord();
else
position->height = 0;
}
static u16 GetPlayerCurMetatileBehavior(int runningState)
{
s16 x, y;
PlayerGetDestCoords(&x, &y);
return MapGridGetMetatileBehaviorAt(x, y);
}
static bool8 TryStartInteractionScript(struct MapPosition *position, u16 metatileBehavior, u8 direction)
{
const u8 *script = GetInteractionScript(position, metatileBehavior, direction);
if (script == NULL)
return FALSE;
// Don't play interaction sound for certain scripts.
if (script != LittlerootTown_BrendansHouse_2F_EventScript_PC
&& script != LittlerootTown_MaysHouse_2F_EventScript_PC
&& script != SecretBase_EventScript_PC
&& script != SecretBase_EventScript_RecordMixingPC
&& script != SecretBase_EventScript_DollInteract
&& script != SecretBase_EventScript_CushionInteract
&& script != EventScript_PC)
PlaySE(SE_SELECT);
ScriptContext1_SetupScript(script);
return TRUE;
}
static const u8 *GetInteractionScript(struct MapPosition *position, u8 metatileBehavior, u8 direction)
{
const u8 *script = GetInteractedObjectEventScript(position, metatileBehavior, direction);
if (script != NULL)
return script;
script = GetInteractedBackgroundEventScript(position, metatileBehavior, direction);
if (script != NULL)
return script;
script = GetInteractedMetatileScript(position, metatileBehavior, direction);
if (script != NULL)
return script;
script = GetInteractedWaterScript(position, metatileBehavior, direction);
if (script != NULL)
return script;
return NULL;
}
const u8 *GetInteractedLinkPlayerScript(struct MapPosition *position, u8 metatileBehavior, u8 direction)
{
u8 objectEventId;
s32 i;
if (!MetatileBehavior_IsCounter(MapGridGetMetatileBehaviorAt(position->x, position->y)))
objectEventId = GetObjectEventIdByXYZ(position->x, position->y, position->height);
else
objectEventId = GetObjectEventIdByXYZ(position->x + gDirectionToVectors[direction].x, position->y + gDirectionToVectors[direction].y, position->height);
if (objectEventId == OBJECT_EVENTS_COUNT || gObjectEvents[objectEventId].localId == OBJ_EVENT_ID_PLAYER)
return NULL;
for (i = 0; i < 4; i++)
{
if (gLinkPlayerObjectEvents[i].active == TRUE && gLinkPlayerObjectEvents[i].objEventId == objectEventId)
return NULL;
}
gSelectedObjectEvent = objectEventId;
gSpecialVar_LastTalked = gObjectEvents[objectEventId].localId;
gSpecialVar_Facing = direction;
return GetObjectEventScriptPointerByObjectEventId(objectEventId);
}
static const u8 *GetInteractedObjectEventScript(struct MapPosition *position, u8 metatileBehavior, u8 direction)
{
u8 objectEventId;
const u8 *script;
objectEventId = GetObjectEventIdByXYZ(position->x, position->y, position->height);
if (objectEventId == OBJECT_EVENTS_COUNT || gObjectEvents[objectEventId].localId == OBJ_EVENT_ID_PLAYER)
{
if (MetatileBehavior_IsCounter(metatileBehavior) != TRUE)
return NULL;
// Look for an object event on the other side of the counter.
objectEventId = GetObjectEventIdByXYZ(position->x + gDirectionToVectors[direction].x, position->y + gDirectionToVectors[direction].y, position->height);
if (objectEventId == OBJECT_EVENTS_COUNT || gObjectEvents[objectEventId].localId == OBJ_EVENT_ID_PLAYER)
return NULL;
}
gSelectedObjectEvent = objectEventId;
gSpecialVar_LastTalked = gObjectEvents[objectEventId].localId;
gSpecialVar_Facing = direction;
if (InTrainerHill() == TRUE)
script = GetTrainerHillTrainerScript();
else
script = GetObjectEventScriptPointerByObjectEventId(objectEventId);
script = GetRamScript(gSpecialVar_LastTalked, script);
return script;
}
static const u8 *GetInteractedBackgroundEventScript(struct MapPosition *position, u8 metatileBehavior, u8 direction)
{
struct BgEvent *bgEvent = GetBackgroundEventAtPosition(&gMapHeader, position->x - 7, position->y - 7, position->height);
if (bgEvent == NULL)
return NULL;
if (bgEvent->bgUnion.script == NULL)
return EventScript_TestSignpostMsg;
switch (bgEvent->kind)
{
case BG_EVENT_PLAYER_FACING_ANY:
default:
return bgEvent->bgUnion.script;
case BG_EVENT_PLAYER_FACING_NORTH:
if (direction != DIR_NORTH)
return NULL;
break;
case BG_EVENT_PLAYER_FACING_SOUTH:
if (direction != DIR_SOUTH)
return NULL;
break;
case BG_EVENT_PLAYER_FACING_EAST:
if (direction != DIR_EAST)
return NULL;
break;
case BG_EVENT_PLAYER_FACING_WEST:
if (direction != DIR_WEST)
return NULL;
break;
case 5:
case 6:
case BG_EVENT_HIDDEN_ITEM:
gSpecialVar_0x8004 = ((u32)bgEvent->bgUnion.script >> 16) + FLAG_HIDDEN_ITEMS_START;
gSpecialVar_0x8005 = (u32)bgEvent->bgUnion.script;
if (FlagGet(gSpecialVar_0x8004) == TRUE)
return NULL;
return EventScript_HiddenItemScript;
case BG_EVENT_SECRET_BASE:
if (direction == DIR_NORTH)
{
gSpecialVar_0x8004 = bgEvent->bgUnion.secretBaseId;
if (TrySetCurSecretBase())
return SecretBase_EventScript_CheckEntrance;
}
return NULL;
}
return bgEvent->bgUnion.script;
}
static const u8 *GetInteractedMetatileScript(struct MapPosition *position, u8 metatileBehavior, u8 direction)
{
s8 height;
if (MetatileBehavior_IsPlayerFacingTVScreen(metatileBehavior, direction) == TRUE)
return EventScript_TV;
if (MetatileBehavior_IsPC(metatileBehavior) == TRUE)
return EventScript_PC;
if (MetatileBehavior_IsClosedSootopolisDoor(metatileBehavior) == TRUE)
return EventScript_ClosedSootopolisDoor;
if (MetatileBehavior_IsSkyPillarClosedDoor(metatileBehavior) == TRUE)
return SkyPillar_Outside_EventScript_ClosedDoor;
if (MetatileBehavior_IsCableBoxResults1(metatileBehavior) == TRUE)
return EventScript_CableBoxResults;
if (MetatileBehavior_IsPokeblockFeeder(metatileBehavior) == TRUE)
return EventScript_PokeBlockFeeder;
if (MetatileBehavior_IsTrickHousePuzzleDoor(metatileBehavior) == TRUE)
return Route110_TrickHousePuzzle_EventScript_Door;
if (MetatileBehavior_IsRegionMap(metatileBehavior) == TRUE)
return EventScript_RegionMap;
if (MetatileBehavior_IsRunningShoesManual(metatileBehavior) == TRUE)
return EventScript_RunningShoesManual;
if (MetatileBehavior_IsPictureBookShelf(metatileBehavior) == TRUE)
return EventScript_PictureBookShelf;
if (MetatileBehavior_IsBookShelf(metatileBehavior) == TRUE)
return EventScript_BookShelf;
if (MetatileBehavior_IsPokeCenterBookShelf(metatileBehavior) == TRUE)
return EventScript_PokemonCenterBookShelf;
if (MetatileBehavior_IsVase(metatileBehavior) == TRUE)
return EventScript_Vase;
if (MetatileBehavior_IsTrashCan(metatileBehavior) == TRUE)
return EventScript_EmptyTrashCan;
if (MetatileBehavior_IsShopShelf(metatileBehavior) == TRUE)
return EventScript_ShopShelf;
if (MetatileBehavior_IsBlueprint(metatileBehavior) == TRUE)
return EventScript_Blueprint;
if (MetatileBehavior_IsPlayerFacingWirelessBoxResults(metatileBehavior, direction) == TRUE)
return EventScript_WirelessBoxResults;
if (MetatileBehavior_IsCableBoxResults2(metatileBehavior, direction) == TRUE)
return EventScript_CableBoxResults;
if (MetatileBehavior_IsQuestionnaire(metatileBehavior) == TRUE)
return EventScript_Questionnaire;
if (MetatileBehavior_IsTrainerHillTimer(metatileBehavior) == TRUE)
return EventScript_TrainerHillTimer;
height = position->height;
if (height == MapGridGetZCoordAt(position->x, position->y))
{
if (MetatileBehavior_IsSecretBasePC(metatileBehavior) == TRUE)
return SecretBase_EventScript_PC;
if (MetatileBehavior_IsRecordMixingSecretBasePC(metatileBehavior) == TRUE)
return SecretBase_EventScript_RecordMixingPC;
if (MetatileBehavior_IsSecretBaseSandOrnament(metatileBehavior) == TRUE)
return SecretBase_EventScript_SandOrnament;
if (MetatileBehavior_IsSecretBaseShieldOrToyTV(metatileBehavior) == TRUE)
return SecretBase_EventScript_ShieldOrToyTV;
if (MetatileBehavior_IsMB_C6(metatileBehavior) == TRUE)
{
CheckInteractedWithFriendsFurnitureBottom();
return NULL;
}
if (MetatileBehavior_HoldsLargeDecoration(metatileBehavior) == TRUE)
{
CheckInteractedWithFriendsFurnitureMiddle();
return NULL;
}
if (MetatileBehavior_HoldsSmallDecoration(metatileBehavior) == TRUE)
{
CheckInteractedWithFriendsFurnitureTop();
return NULL;
}
}
else if (MetatileBehavior_IsSecretBasePoster(metatileBehavior) == TRUE)
{
CheckInteractedWithFriendsPosterDecor();
return NULL;
}
return NULL;
}
static const u8 *GetInteractedWaterScript(struct MapPosition *unused1, u8 metatileBehavior, u8 direction)
{
if (FlagGet(FLAG_BADGE05_GET) == TRUE && PartyHasMonWithSurf() == TRUE && IsPlayerFacingSurfableFishableWater() == TRUE)
return EventScript_UseSurf;
if (MetatileBehavior_IsWaterfall(metatileBehavior) == TRUE)
{
if (FlagGet(FLAG_BADGE08_GET) == TRUE && IsPlayerSurfingNorth() == TRUE)
return EventScript_UseWaterfall;
else
return EventScript_CannotUseWaterfall;
}
return NULL;
}
static bool32 TrySetupDiveDownScript(void)
{
if (FlagGet(FLAG_BADGE07_GET) && TrySetDiveWarp() == 2)
{
ScriptContext1_SetupScript(EventScript_UseDive);
return TRUE;
}
return FALSE;
}
static bool32 TrySetupDiveEmergeScript(void)
{
if (FlagGet(FLAG_BADGE07_GET) && gMapHeader.mapType == MAP_TYPE_UNDERWATER && TrySetDiveWarp() == 1)
{
ScriptContext1_SetupScript(EventScript_UseDiveUnderwater);
return TRUE;
}
return FALSE;
}
static bool8 TryStartStepBasedScript(struct MapPosition *position, u16 metatileBehavior, u16 direction)
{
if (TryStartCoordEventScript(position) == TRUE)
return TRUE;
if (TryStartWarpEventScript(position, metatileBehavior) == TRUE)
return TRUE;
if (TryStartMiscWalkingScripts(metatileBehavior) == TRUE)
return TRUE;
if (TryStartStepCountScript(metatileBehavior) == TRUE)
return TRUE;
if (UpdateRepelCounter() == TRUE)
return TRUE;
return FALSE;
}
static bool8 TryStartCoordEventScript(struct MapPosition *position)
{
u8 *script = GetCoordEventScriptAtPosition(&gMapHeader, position->x - 7, position->y - 7, position->height);
if (script == NULL)
return FALSE;
ScriptContext1_SetupScript(script);
return TRUE;
}
static bool8 TryStartMiscWalkingScripts(u16 metatileBehavior)
{
s16 x, y;
if (MetatileBehavior_IsCrackedFloorHole(metatileBehavior))
{
ScriptContext1_SetupScript(EventScript_FallDownHole);
return TRUE;
}
else if (MetatileBehavior_IsBattlePyramidWarp(metatileBehavior))
{
ScriptContext1_SetupScript(BattlePyramid_WarpToNextFloor);
return TRUE;
}
else if (MetatileBehavior_IsSecretBaseGlitterMat(metatileBehavior) == TRUE)
{
DoSecretBaseGlitterMatSparkle();
return FALSE;
}
else if (MetatileBehavior_IsSecretBaseSoundMat(metatileBehavior) == TRUE)
{
PlayerGetDestCoords(&x, &y);
PlaySecretBaseMusicNoteMatSound(MapGridGetMetatileIdAt(x, y));
return FALSE;
}
return FALSE;
}
static bool8 TryStartStepCountScript(u16 metatileBehavior)
{
if (InUnionRoom() == TRUE)
{
return FALSE;
}
IncrementRematchStepCounter();
UpdateFriendshipStepCounter();
UpdateFarawayIslandStepCounter();
if (!(gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_FORCED_MOVE) && !MetatileBehavior_IsForcedMovementTile(metatileBehavior))
{
if (UpdatePoisonStepCounter() == TRUE)
{
ScriptContext1_SetupScript(EventScript_FieldPoison);
return TRUE;
}
if (ShouldEggHatch())
{
IncrementGameStat(GAME_STAT_HATCHED_EGGS);
ScriptContext1_SetupScript(EventScript_EggHatch);
return TRUE;
}
if (AbnormalWeatherHasExpired() == TRUE)
{
ScriptContext1_SetupScript(AbnormalWeather_EventScript_EndEventAndCleanup_1);
return TRUE;
}
if (ShouldDoBrailleRegicePuzzle() == TRUE)
{
ScriptContext1_SetupScript(IslandCave_EventScript_OpenRegiEntrance);
return TRUE;
}
if (ShouldDoWallyCall() == TRUE)
{
ScriptContext1_SetupScript(MauvilleCity_EventScript_RegisterWallyCall);
return TRUE;
}
if (ShouldDoScottFortreeCall() == TRUE)
{
ScriptContext1_SetupScript(Route119_EventScript_ScottWonAtFortreeGymCall);
return TRUE;
}
if (ShouldDoScottBattleFrontierCall() == TRUE)
{
ScriptContext1_SetupScript(LittlerootTown_ProfessorBirchsLab_EventScript_ScottAboardSSTidalCall);
return TRUE;
}
if (ShouldDoRoxanneCall() == TRUE)
{
ScriptContext1_SetupScript(RustboroCity_Gym_EventScript_RegisterRoxanne);
return TRUE;
}
if (ShouldDoRivalRayquazaCall() == TRUE)
{
ScriptContext1_SetupScript(MossdeepCity_SpaceCenter_2F_EventScript_RivalRayquazaCall);
return TRUE;
}
}
if (SafariZoneTakeStep() == TRUE)
return TRUE;
if (CountSSTidalStep(1) == TRUE)
{
ScriptContext1_SetupScript(SSTidalCorridor_EventScript_ReachedStepCount);
return TRUE;
}
if (TryStartMatchCall())
return TRUE;
return FALSE;
}
// Unused
static void ClearFriendshipStepCounter(void)
{
VarSet(VAR_FRIENDSHIP_STEP_COUNTER, 0);
}
static void UpdateFriendshipStepCounter(void)
{
u16 *ptr = GetVarPointer(VAR_FRIENDSHIP_STEP_COUNTER);
int i;
(*ptr)++;
(*ptr) %= 128;
if (*ptr == 0)
{
struct Pokemon *mon = gPlayerParty;
for (i = 0; i < PARTY_SIZE; i++)
{
AdjustFriendship(mon, FRIENDSHIP_EVENT_WALKING);
mon++;
}
}
}
void ClearPoisonStepCounter(void)
{
VarSet(VAR_POISON_STEP_COUNTER, 0);
}
static bool8 UpdatePoisonStepCounter(void)
{
u16 *ptr;
if (gMapHeader.mapType != MAP_TYPE_SECRET_BASE)
{
ptr = GetVarPointer(VAR_POISON_STEP_COUNTER);
(*ptr)++;
(*ptr) %= 4;
if (*ptr == 0)
{
switch (DoPoisonFieldEffect())
{
case FLDPSN_NONE:
return FALSE;
case FLDPSN_PSN:
return FALSE;
case FLDPSN_FNT:
return TRUE;
}
}
}
return FALSE;
}
void RestartWildEncounterImmunitySteps(void)
{
// Starts at 0 and counts up to 4 steps.
sWildEncounterImmunitySteps = 0;
}
static bool8 CheckStandardWildEncounter(u16 metatileBehavior)
{
if (sWildEncounterImmunitySteps < 4)
{
sWildEncounterImmunitySteps++;
sPreviousPlayerMetatileBehavior = metatileBehavior;
return FALSE;
}
if (StandardWildEncounter(metatileBehavior, sPreviousPlayerMetatileBehavior) == TRUE)
{
sWildEncounterImmunitySteps = 0;
sPreviousPlayerMetatileBehavior = metatileBehavior;
return TRUE;
}
sPreviousPlayerMetatileBehavior = metatileBehavior;
return FALSE;
}
static bool8 TryArrowWarp(struct MapPosition *position, u16 metatileBehavior, u8 direction)
{
s8 warpEventId = GetWarpEventAtMapPosition(&gMapHeader, position);
if (IsArrowWarpMetatileBehavior(metatileBehavior, direction) == TRUE && warpEventId != -1)
{
StoreInitialPlayerAvatarState();
SetupWarp(&gMapHeader, warpEventId, position);
DoWarp();
return TRUE;
}
return FALSE;
}
static bool8 TryStartWarpEventScript(struct MapPosition *position, u16 metatileBehavior)
{
s8 warpEventId = GetWarpEventAtMapPosition(&gMapHeader, position);
if (warpEventId != -1 && IsWarpMetatileBehavior(metatileBehavior) == TRUE)
{
StoreInitialPlayerAvatarState();
SetupWarp(&gMapHeader, warpEventId, position);
if (MetatileBehavior_IsEscalator(metatileBehavior) == TRUE)
{
DoEscalatorWarp(metatileBehavior);
return TRUE;
}
if (MetatileBehavior_IsLavaridgeB1FWarp(metatileBehavior) == TRUE)
{
DoLavaridgeGymB1FWarp();
return TRUE;
}
if (MetatileBehavior_IsLavaridge1FWarp(metatileBehavior) == TRUE)
{
DoLavaridgeGym1FWarp();
return TRUE;
}
if (MetatileBehavior_IsAquaHideoutWarp(metatileBehavior) == TRUE)
{
DoTeleportTileWarp();
return TRUE;
}
if (MetatileBehavior_IsWarpOrBridge(metatileBehavior) == TRUE)
{
// Maybe unused? This MB is used by log bridges, but there's never a warp event on them
DoSpinExitWarp();
return TRUE;
}
if (MetatileBehavior_IsMtPyreHole(metatileBehavior) == TRUE)
{
ScriptContext1_SetupScript(EventScript_FallDownHoleMtPyre);
return TRUE;
}
if (MetatileBehavior_IsMossdeepGymWarp(metatileBehavior) == TRUE)
{
DoMossdeepGymWarp();
return TRUE;
}
DoWarp();
return TRUE;
}
return FALSE;
}
static bool8 IsWarpMetatileBehavior(u16 metatileBehavior)
{
if (MetatileBehavior_IsWarpDoor(metatileBehavior) != TRUE
&& MetatileBehavior_IsLadder(metatileBehavior) != TRUE
&& MetatileBehavior_IsEscalator(metatileBehavior) != TRUE
&& MetatileBehavior_IsNonAnimDoor(metatileBehavior) != TRUE
&& MetatileBehavior_IsLavaridgeB1FWarp(metatileBehavior) != TRUE
&& MetatileBehavior_IsLavaridge1FWarp(metatileBehavior) != TRUE
&& MetatileBehavior_IsAquaHideoutWarp(metatileBehavior) != TRUE
&& MetatileBehavior_IsMtPyreHole(metatileBehavior) != TRUE
&& MetatileBehavior_IsMossdeepGymWarp(metatileBehavior) != TRUE
&& MetatileBehavior_IsWarpOrBridge(metatileBehavior) != TRUE)
return FALSE;
return TRUE;
}
static bool8 IsArrowWarpMetatileBehavior(u16 metatileBehavior, u8 direction)
{
switch (direction)
{
case DIR_NORTH:
return MetatileBehavior_IsNorthArrowWarp(metatileBehavior);
case DIR_SOUTH:
return MetatileBehavior_IsSouthArrowWarp(metatileBehavior);
case DIR_WEST:
return MetatileBehavior_IsWestArrowWarp(metatileBehavior);
case DIR_EAST:
return MetatileBehavior_IsEastArrowWarp(metatileBehavior);
}
return FALSE;
}
static s8 GetWarpEventAtMapPosition(struct MapHeader *mapHeader, struct MapPosition *position)
{
return GetWarpEventAtPosition(mapHeader, position->x - 7, position->y - 7, position->height);
}
static void SetupWarp(struct MapHeader *unused, s8 warpEventId, struct MapPosition *position)
{
const struct WarpEvent *warpEvent;
u8 trainerHillMapId = GetCurrentTrainerHillMapId();
if (trainerHillMapId)
{
if (trainerHillMapId == GetNumFloorsInTrainerHillChallenge())
{
if (warpEventId == 0)
warpEvent = &gMapHeader.events->warps[0];
else
warpEvent = SetWarpDestinationTrainerHill4F();
}
else if (trainerHillMapId == TRAINER_HILL_ROOF)
{
warpEvent = SetWarpDestinationTrainerHillFinalFloor(warpEventId);
}
else
{
warpEvent = &gMapHeader.events->warps[warpEventId];
}
}
else
{
warpEvent = &gMapHeader.events->warps[warpEventId];
}
if (warpEvent->mapNum == MAP_NUM(NONE))
{
SetWarpDestinationToDynamicWarp(warpEvent->warpId);
}
else
{
const struct MapHeader *mapHeader;
SetWarpDestinationToMapWarp(warpEvent->mapGroup, warpEvent->mapNum, warpEvent->warpId);
UpdateEscapeWarp(position->x, position->y);
mapHeader = Overworld_GetMapHeaderByGroupAndId(warpEvent->mapGroup, warpEvent->mapNum);
if (mapHeader->events->warps[warpEvent->warpId].mapNum == MAP_NUM(NONE))
SetDynamicWarp(mapHeader->events->warps[warpEventId].warpId, gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, warpEventId);
}
}
static bool8 TryDoorWarp(struct MapPosition *position, u16 metatileBehavior, u8 direction)
{
s8 warpEventId;
if (direction == DIR_NORTH)
{
if (MetatileBehavior_IsOpenSecretBaseDoor(metatileBehavior) == TRUE)
{
WarpIntoSecretBase(position, gMapHeader.events);
return TRUE;
}
if (MetatileBehavior_IsWarpDoor(metatileBehavior) == TRUE)
{
warpEventId = GetWarpEventAtMapPosition(&gMapHeader, position);
if (warpEventId != -1 && IsWarpMetatileBehavior(metatileBehavior) == TRUE)
{
StoreInitialPlayerAvatarState();
SetupWarp(&gMapHeader, warpEventId, position);
DoDoorWarp();
return TRUE;
}
}
}
return FALSE;
}
static s8 GetWarpEventAtPosition(struct MapHeader *mapHeader, u16 x, u16 y, u8 elevation)
{
s32 i;
struct WarpEvent *warpEvent = mapHeader->events->warps;
u8 warpCount = mapHeader->events->warpCount;
for (i = 0; i < warpCount; i++, warpEvent++)
{
if ((u16)warpEvent->x == x && (u16)warpEvent->y == y)
{
if (warpEvent->elevation == elevation || warpEvent->elevation == 0)
return i;
}
}
return -1;
}
static u8 *TryRunCoordEventScript(struct CoordEvent *coordEvent)
{
if (coordEvent != NULL)
{
if (coordEvent->script == NULL)
{
DoCoordEventWeather(coordEvent->trigger);
return NULL;
}
if (coordEvent->trigger == 0)
{
ScriptContext2_RunNewScript(coordEvent->script);
return NULL;
}
if (VarGet(coordEvent->trigger) == (u8)coordEvent->index)
return coordEvent->script;
}
return NULL;
}
static u8 *GetCoordEventScriptAtPosition(struct MapHeader *mapHeader, u16 x, u16 y, u8 elevation)
{
s32 i;
struct CoordEvent *coordEvents = mapHeader->events->coordEvents;
u8 coordEventCount = mapHeader->events->coordEventCount;
for (i = 0; i < coordEventCount; i++)
{
if ((u16)coordEvents[i].x == x && (u16)coordEvents[i].y == y)
{
if (coordEvents[i].elevation == elevation || coordEvents[i].elevation == 0)
{
u8 *script = TryRunCoordEventScript(&coordEvents[i]);
if (script != NULL)
return script;
}
}
}
return NULL;
}
u8 *GetCoordEventScriptAtMapPosition(struct MapPosition *position)
{
return GetCoordEventScriptAtPosition(&gMapHeader, position->x - 7, position->y - 7, position->height);
}
static struct BgEvent *GetBackgroundEventAtPosition(struct MapHeader *mapHeader, u16 x, u16 y, u8 elevation)
{
u8 i;
struct BgEvent *bgEvents = mapHeader->events->bgEvents;
u8 bgEventCount = mapHeader->events->bgEventCount;
for (i = 0; i < bgEventCount; i++)
{
if ((u16)bgEvents[i].x == x && (u16)bgEvents[i].y == y)
{
if (bgEvents[i].elevation == elevation || bgEvents[i].elevation == 0)
return &bgEvents[i];
}
}
return NULL;
}
bool8 TryDoDiveWarp(struct MapPosition *position, u16 metatileBehavior)
{
if (gMapHeader.mapType == MAP_TYPE_UNDERWATER && !MetatileBehavior_IsUnableToEmerge(metatileBehavior))
{
if (SetDiveWarpEmerge(position->x - 7, position->y - 7))
{
StoreInitialPlayerAvatarState();
DoDiveWarp();
PlaySE(SE_M_DIVE);
return TRUE;
}
}
else if (MetatileBehavior_IsDiveable(metatileBehavior) == TRUE)
{
if (SetDiveWarpDive(position->x - 7, position->y - 7))
{
StoreInitialPlayerAvatarState();
DoDiveWarp();
PlaySE(SE_M_DIVE);
return TRUE;
}
}
return FALSE;
}