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Reverse engineered many of the multiplayer events

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Some corrections to the way events are handled and identified.
This commit is contained in:
Phlosioneer
2019-02-10 20:42:50 -05:00
parent f2f1b1978b
commit e75f45dbcf
32 changed files with 412 additions and 350 deletions
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399
src/overworld.c
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@@ -66,48 +66,47 @@
#include "constants/species.h"
#include "constants/weather.h"
// These two are a hack to stop user input until link stuff can be
// resolved.
#define LINK_KEY_CODE_HANDLE_RECV_QUEUE 0x1B
#define LINK_KEY_CODE_HANDLE_SEND_QUEUE 0x1C
#define LINK_KEY_CODE_UNK_7 0x1D
#define LINK_KEY_CODE_UNK_8 0x1E
#define PLAYER_TRADING_STATE_IDLE 0x80
#define PLAYER_TRADING_STATE_BUSY 0x81
#define PLAYER_TRADING_STATE_UNK_2 0x82
#define PLAYER_TRADING_STATE_UNK_3 0x83
#define PLAYER_TRADING_STATE_EXITING_ROOM 0x83
#define EVENT_SCRIPT_NONE 0
#define EVENT_SCRIPT_ID_9 9
#define EVENT_SCRIPT_ID_10 10
#define FACING_NONE 0
#define FACING_UP 1
#define FACING_DOWN 2
#define FACING_LEFT 3
#define FACING_RIGHT 4
#define FACING_FORCED_UP 7
#define FACING_FORCED_DOWN 8
#define FACING_FORCED_LEFT 9
#define FACING_FORCED_RIGHT 10
// event scripts
extern const u8 EventScript_WhiteOut[];
extern const u8 EventScript_271862[];
extern const u8 EventScript_277513[];
extern const u8 EventScript_TradeRoom_TooBusyToNotice[];
extern const u8 EventScript_TradeRoom_ReadTrainerCard_NoColor[];
extern const u8 EventScript_TradeRoom_ReadTrainerCard_Normal[];
extern const u8 gUnknown_08277388[];
extern const u8 gUnknown_082773A3[];
extern const u8 gUnknown_082773BE[];
extern const u8 gUnknown_082773D9[];
extern const u8 gUnknown_0827741D[];
extern const u8 gUnknown_08277432[];
extern const u8 gUnknown_08277447[];
extern const u8 gUnknown_0827745C[];
extern const u8 gUnknown_08277374[];
extern const u8 gUnknown_0827737E[];
extern const u8 gUnknown_082773FF[];
extern const u8 gUnknown_082773F5[];
extern const u8 gEventScript_WhiteOut[];
extern const u8 gEventScript_ResetMrBriney[];
extern const u8 gEventScript_DoLinkRoomExit[];
extern const u8 gEventScript_TradeRoom_TooBusyToNotice[];
extern const u8 gEventScript_TradeRoom_ReadTrainerCard_NoColor[];
extern const u8 gEventScript_TradeRoom_ReadTrainerCard_Normal[];
extern const u8 gEventScript_DoubleBattleColosseum_PlayerSpot0[];
extern const u8 gEventScript_DoubleBattleColosseum_PlayerSpot1[];
extern const u8 gEventScript_DoubleBattleColosseum_PlayerSpot2[];
extern const u8 gEventScript_DoubleBattleColosseum_PlayerSpot3[];
extern const u8 gEventScript_RecordCenter_Spot0[];
extern const u8 gEventScript_RecordCenter_Spot1[];
extern const u8 gEventScript_RecordCenter_Spot2[];
extern const u8 gEventScript_RecordCenter_Spot3[];
extern const u8 gEventScript_SingleBattleColosseum_PlayerSpot0[];
extern const u8 gEventScript_SingleBattleColosseum_PlayerSpot1[];
extern const u8 gEventScript_TradeCenter_Chair1[];
extern const u8 gEventScript_TradeCenter_Chair0[];
extern const u8 gEventScript_ConfirmLeaveTradeRoom[];
extern const u8 gUnknown_08277509[];
extern const u8 gEventScript_TerminateLink[];
extern const struct MapLayout *const gMapLayouts[];
extern const struct MapHeader *const *const gMapGroups[];
extern const int gMaxFlashLevel;
extern const u16 gUnknown_82EC7C4[];
extern const u16 gOverworldBackgroundLayerFlags[];
static void Overworld_ResetStateAfterWhiteOut(void);
static void c2_80567AC(void);
@@ -123,7 +122,7 @@ static bool32 map_loading_iteration_2_link(u8 *state);
static void mli4_mapscripts_and_other(void);
static void InitOverworldGraphicsRegisters(void);
static u8 GetSpriteForLinkedPlayer(u8);
static u16 sub_80871C0(u32 a1);
static u16 KeyInterCB_SendNothing(u32 a1);
static void sub_80867C8(void);
static void sub_80867D8(void);
static void sub_8086AE4(void);
@@ -140,7 +139,7 @@ static void ClearAllPlayerKeys(void);
static void ResetAllTradingStates(void);
static void UpdateHeldKeyCode(u16);
static void UpdateAllLinkPlayers(u16*, s32);
static u8 npc_something3(u8 a1, u8 a2);
static u8 FlipVerticalAndClearForced(u8 a1, u8 a2);
static u8 LinkPlayerDetectCollision(u8 selfEventObjId, u8 a2, s16 x, s16 y);
static void CreateLinkPlayerSprite(u8 linkPlayerId, u8 gameVersion);
static void GetLinkPlayerCoords(u8 linkPlayerId, u16 *x, u16 *y);
@@ -148,7 +147,7 @@ static u8 GetLinkPlayerFacingDirection(u8 linkPlayerId);
static u8 GetLinkPlayerElevation(u8 linkPlayerId);
static s32 sub_80878E4(u8 linkPlayerId);
static u8 GetLinkPlayerIdAt(s16 x, s16 y);
static void RunPlayerEventScript(u8 linkPlayerId, u8 a2);
static void SetPlayerFacingDirection(u8 linkPlayerId, u8 a2);
static void ZeroEventObject(struct EventObject *eventObj);
static void SpawnLinkPlayerEventObject(u8 linkPlayerId, s16 x, s16 y, u8 a4);
static void InitLinkPlayerEventObjectPos(struct EventObject *eventObj, s16 x, s16 y);
@@ -159,7 +158,7 @@ static void sub_8087584(void);
static u32 GetLinkSendQueueLength(void);
static void ZeroLinkPlayerEventObject(struct LinkPlayerEventObject *linkPlayerEventObj);
static const u8 *TryInteractWithPlayer(struct TradeRoomPlayer *a1);
static u16 GetTypeForTileEventScript(const u8 *script);
static u16 GetDirectionForEventScript(const u8 *script);
static void sub_8087510(void);
static void InitLinkRoomStartMenuScript(void);
static void sub_8087530(const u8 *script);
@@ -176,7 +175,7 @@ static u16 KeyInterCB_DeferToSendQueue(u32);
static void ResetPlayerHeldKeys(u16 *a1);
static u16 KeyInterCB_SelfIdle(u32 a1);
static u16 KeyInterCB_DeferToEventScript(u32 a1);
static u16 sub_8087068(u16 a1);
static u16 GetDirectionForDpadKey(u16 a1);
static void CB1_UpdateLinkState(void);
static void SetKeyInterceptCallback(u16 (*func)(u32));
static void SetFieldVBlankCallback(void);
@@ -187,7 +186,7 @@ static u8 GetAdjustedInitialDirection(struct InitialPlayerAvatarState *playerStr
static u16 GetCenterScreenMetatileBehavior(void);
// IWRAM bss vars
IWRAM_DATA static void *sUnknown_03000E0C;
IWRAM_DATA static void *sUnusedCallback;
IWRAM_DATA static u8 sPlayerTradingStates[4];
// This callback is called with a player's key code. It then returns an
// adjusted key code, effectively intercepting the input before anything
@@ -338,49 +337,53 @@ static const struct ScanlineEffectParams sFlashEffectParams =
0,
};
static u8 sub_80879D8(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 sub_80879F8(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 sub_80879FC(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 MovementEventModeCB_Normal(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 MovementEventModeCB_Ignored(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 MovementEventModeCB_Normal_2(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 (*const gLinkPlayerEventModes[])(struct LinkPlayerEventObject *, struct EventObject *, u8) =
static u8 (*const gLinkPlayerMovementModes[])(struct LinkPlayerEventObject *, struct EventObject *, u8) =
{
sub_80879D8,
sub_80879F8,
sub_80879FC,
MovementEventModeCB_Normal, // MOVEMENT_MODE_FREE
MovementEventModeCB_Ignored, // MOVEMENT_MODE_FROZEN
MovementEventModeCB_Normal_2, // MOVEMENT_MODE_SCRIPTED
};
static u8 sub_8087A1C(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 sub_8087A20(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 sub_8087A88(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 FacingHandler_DoNothing(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 FacingHandler_DpadMovement(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 FacingHandler_ForcedFacingChange(struct LinkPlayerEventObject *, struct EventObject *, u8);
static u8 (*const gUnknown_08339DD4[])(struct LinkPlayerEventObject *, struct EventObject *, u8) =
// These handlers return TRUE if the movement was scripted and successful, and FALSE otherwise.
static bool8 (*const gLinkPlayerFacingHandlers[])(struct LinkPlayerEventObject *, struct EventObject *, u8) =
{
sub_8087A1C,
sub_8087A20,
sub_8087A20,
sub_8087A20,
sub_8087A20,
sub_8087A1C,
sub_8087A1C,
sub_8087A88,
sub_8087A88,
sub_8087A88,
sub_8087A88,
FacingHandler_DoNothing,
FacingHandler_DpadMovement,
FacingHandler_DpadMovement,
FacingHandler_DpadMovement,
FacingHandler_DpadMovement,
FacingHandler_DoNothing,
FacingHandler_DoNothing,
FacingHandler_ForcedFacingChange,
FacingHandler_ForcedFacingChange,
FacingHandler_ForcedFacingChange,
FacingHandler_ForcedFacingChange,
};
static void sub_8087AA0(struct LinkPlayerEventObject *, struct EventObject *);
static void sub_8087AA8(struct LinkPlayerEventObject *, struct EventObject *);
static void MovementStatusHandler_EnterFreeMode(struct LinkPlayerEventObject *, struct EventObject *);
static void MovementStatusHandler_TryAdvanceScript(struct LinkPlayerEventObject *, struct EventObject *);
static void (*const gUnknown_08339E00[])(struct LinkPlayerEventObject *, struct EventObject *) =
// These handlers are run after an attempted movement.
static void (*const gMovementStatusHandler[])(struct LinkPlayerEventObject *, struct EventObject *) =
{
sub_8087AA0,
sub_8087AA8,
// FALSE:
MovementStatusHandler_EnterFreeMode,
// TRUE:
MovementStatusHandler_TryAdvanceScript,
};
// code
void DoWhiteOut(void)
{
ScriptContext2_RunNewScript(EventScript_WhiteOut);
ScriptContext2_RunNewScript(gEventScript_WhiteOut);
SetMoney(&gSaveBlock1Ptr->money, GetMoney(&gSaveBlock1Ptr->money) / 2);
HealPlayerParty();
Overworld_ResetStateAfterWhiteOut();
@@ -406,7 +409,7 @@ void Overworld_ResetStateAfterTeleport(void)
FlagClear(FLAG_SYS_SAFARI_MODE);
FlagClear(FLAG_SYS_USE_STRENGTH);
FlagClear(FLAG_SYS_USE_FLASH);
ScriptContext2_RunNewScript(EventScript_271862);
ScriptContext2_RunNewScript(gEventScript_ResetMrBriney);
}
void Overworld_ResetStateAfterDigEscRope(void)
@@ -1495,9 +1498,10 @@ void SetMainCallback1(MainCallback cb)
gMain.callback1 = cb;
}
void sub_8085E94(void *a0)
// This function is never called.
void SetUnusedCallback(void *func)
{
sUnknown_03000E0C = a0;
sUnusedCallback = func;
}
static bool8 map_post_load_hook_exec(void)
@@ -2102,7 +2106,7 @@ static void InitOverworldGraphicsRegisters(void)
SetGpuReg(REG_OFFSET_WIN0V, 0xFF);
SetGpuReg(REG_OFFSET_WIN1H, 0xFFFF);
SetGpuReg(REG_OFFSET_WIN1V, 0xFFFF);
SetGpuReg(REG_OFFSET_BLDCNT, gUnknown_82EC7C4[1] | gUnknown_82EC7C4[2] | gUnknown_82EC7C4[3]
SetGpuReg(REG_OFFSET_BLDCNT, gOverworldBackgroundLayerFlags[1] | gOverworldBackgroundLayerFlags[2] | gOverworldBackgroundLayerFlags[3]
| BLDCNT_TGT2_OBJ | BLDCNT_EFFECT_BLEND);
SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(13, 7));
InitOverworldBgs();
@@ -2249,6 +2253,9 @@ static void CB1_UpdateLinkState(void)
// UpdateHeldKeyCode performs a sanity check on its input; if
// sPlayerKeyInterceptCallback echoes back the argument, which is selfId, then
// it'll use LINK_KEY_CODE_EMPTY instead.
//
// Note 2: There are some key intercept callbacks that treat the key as a player
// ID. It's so hacky.
UpdateHeldKeyCode(sPlayerKeyInterceptCallback(selfId));
ClearAllPlayerKeys();
}
@@ -2311,7 +2318,7 @@ static bool32 AreAnyPlayersInState(u16 tradingState)
return FALSE;
}
static void HandleLinkPlayerKeyInput(u32 playerId, u16 key, struct TradeRoomPlayer *trainer, u16 *eventScriptType)
static void HandleLinkPlayerKeyInput(u32 playerId, u16 key, struct TradeRoomPlayer *trainer, u16 *forceFacing)
{
const u8 *script;
@@ -2320,7 +2327,7 @@ static void HandleLinkPlayerKeyInput(u32 playerId, u16 key, struct TradeRoomPlay
script = TryGetTileEventScript(trainer);
if (script)
{
*eventScriptType = GetTypeForTileEventScript(script);
*forceFacing = GetDirectionForEventScript(script);
sPlayerTradingStates[playerId] = PLAYER_TRADING_STATE_BUSY;
if (trainer->isSelf)
{
@@ -2329,7 +2336,7 @@ static void HandleLinkPlayerKeyInput(u32 playerId, u16 key, struct TradeRoomPlay
}
return;
}
if (AreAnyPlayersInState(PLAYER_TRADING_STATE_UNK_3) == TRUE)
if (AreAnyPlayersInState(PLAYER_TRADING_STATE_EXITING_ROOM) == TRUE)
{
sPlayerTradingStates[playerId] = PLAYER_TRADING_STATE_BUSY;
if (trainer->isSelf)
@@ -2403,8 +2410,8 @@ static void HandleLinkPlayerKeyInput(u32 playerId, u16 key, struct TradeRoomPlay
switch (key)
{
case LINK_KEY_CODE_UNK_3:
sPlayerTradingStates[playerId] = PLAYER_TRADING_STATE_UNK_3;
case LINK_KEY_CODE_EXIT_ROOM:
sPlayerTradingStates[playerId] = PLAYER_TRADING_STATE_EXITING_ROOM;
break;
case LINK_KEY_CODE_UNK_2:
sPlayerTradingStates[playerId] = PLAYER_TRADING_STATE_UNK_2;
@@ -2429,12 +2436,12 @@ static void UpdateAllLinkPlayers(u16 *keys, s32 selfId)
for (i = 0; i < 4; i++)
{
u8 key = keys[i];
u16 eventScriptType = EVENT_SCRIPT_NONE;
u16 setFacing = FACING_NONE;
LoadTradeRoomPlayer(i, selfId, &trainer);
HandleLinkPlayerKeyInput(i, key, &trainer, &eventScriptType);
HandleLinkPlayerKeyInput(i, key, &trainer, &setFacing);
if (sPlayerTradingStates[i] == PLAYER_TRADING_STATE_IDLE)
eventScriptType = sub_8087068(key);
RunPlayerEventScript(i, eventScriptType);
setFacing = GetDirectionForDpadKey(key);
SetPlayerFacingDirection(i, setFacing);
}
}
@@ -2483,20 +2490,20 @@ static u16 KeyInterCB_ReadButtons(u32 key)
return LINK_KEY_CODE_EMPTY;
}
static u16 sub_8087068(u16 a1)
static u16 GetDirectionForDpadKey(u16 a1)
{
switch (a1)
{
case LINK_KEY_CODE_DPAD_RIGHT:
return 4;
return FACING_RIGHT;
case LINK_KEY_CODE_DPAD_LEFT:
return 3;
return FACING_LEFT;
case LINK_KEY_CODE_DPAD_UP:
return 1;
return FACING_UP;
case LINK_KEY_CODE_DPAD_DOWN:
return 2;
return FACING_DOWN;
default:
return 0;
return FACING_NONE;
}
}
@@ -2577,19 +2584,19 @@ static u16 KeyInterCB_DeferToSendQueue(u32 key)
return retVal;
}
static u16 sub_8087164(u32 key)
static u16 KeyInterCB_DoNothingAndKeepAlive(u32 key)
{
CheckRfuKeepAliveTimer();
return LINK_KEY_CODE_EMPTY;
}
static u16 sub_8087170(u32 linkPlayerId)
static u16 sub_8087170(u32 keyOrPlayerId)
{
if (sPlayerTradingStates[linkPlayerId] == PLAYER_TRADING_STATE_UNK_2)
if (sPlayerTradingStates[keyOrPlayerId] == PLAYER_TRADING_STATE_UNK_2)
{
if (gMain.newKeys & B_BUTTON)
{
SetKeyInterceptCallback(sub_8087164);
SetKeyInterceptCallback(KeyInterCB_DoNothingAndKeepAlive);
return LINK_KEY_CODE_UNK_7;
}
else
@@ -2610,41 +2617,45 @@ static u16 sub_80871AC(u32 a1)
return LINK_KEY_CODE_UNK_2;
}
static u16 sub_80871C0(u32 a1)
static u16 KeyInterCB_SendNothing(u32 key)
{
return LINK_KEY_CODE_EMPTY;
}
static u16 sub_80871C4(u32 a1)
static u16 KeyInterCB_WaitForPlayersToExit(u32 keyOrPlayerId)
{
if (sPlayerTradingStates[a1] != PLAYER_TRADING_STATE_UNK_3)
// keyOrPlayerId could be any keycode. This callback does no sanity checking
// on the size of the key. It's assuming that it is being called from
// CB1_UpdateLinkState.
if (sPlayerTradingStates[keyOrPlayerId] != PLAYER_TRADING_STATE_EXITING_ROOM)
CheckRfuKeepAliveTimer();
if (AreAllPlayersInState(PLAYER_TRADING_STATE_UNK_3) == TRUE)
if (AreAllPlayersInState(PLAYER_TRADING_STATE_EXITING_ROOM) == TRUE)
{
ScriptContext1_SetupScript(EventScript_277513);
SetKeyInterceptCallback(sub_80871C0);
ScriptContext1_SetupScript(gEventScript_DoLinkRoomExit);
SetKeyInterceptCallback(KeyInterCB_SendNothing);
}
return LINK_KEY_CODE_EMPTY;
}
static u16 sub_80871FC(u32 a1)
static u16 KeyInterCB_SendExitRoomKey(u32 key)
{
SetKeyInterceptCallback(sub_80871C4);
return 23;
SetKeyInterceptCallback(KeyInterCB_WaitForPlayersToExit);
return LINK_KEY_CODE_EXIT_ROOM;
}
static u16 sub_8087210(u32 a1)
// Duplicate function.
static u16 KeyInterCB_SendNothing_2(u32 key)
{
return LINK_KEY_CODE_EMPTY;
}
u32 sub_8087214(void)
{
if (AreAnyPlayersInState(PLAYER_TRADING_STATE_UNK_3) == TRUE)
if (AreAnyPlayersInState(PLAYER_TRADING_STATE_EXITING_ROOM) == TRUE)
return 2;
if (sPlayerKeyInterceptCallback == sub_8087170 && sPlayerTradingStates[gLinkSelfPlayerId] != PLAYER_TRADING_STATE_UNK_2)
return 0;
if (sPlayerKeyInterceptCallback == sub_8087164 && sPlayerTradingStates[gLinkSelfPlayerId] == PLAYER_TRADING_STATE_BUSY)
if (sPlayerKeyInterceptCallback == KeyInterCB_DoNothingAndKeepAlive && sPlayerTradingStates[gLinkSelfPlayerId] == PLAYER_TRADING_STATE_BUSY)
return 2;
if (AreAllPlayersInState(PLAYER_TRADING_STATE_UNK_2) != FALSE)
return 1;
@@ -2653,7 +2664,7 @@ u32 sub_8087214(void)
bool32 sub_808727C(void)
{
return AreAnyPlayersInState(PLAYER_TRADING_STATE_UNK_3);
return AreAnyPlayersInState(PLAYER_TRADING_STATE_EXITING_ROOM);
}
u16 sub_8087288(void)
@@ -2668,15 +2679,17 @@ u16 sub_808729C(void)
return 0;
}
u16 sub_80872B0(void)
// The exit room key will be sent at the next opportunity.
// The return value is meaningless.
u16 QueueExitLinkRoomKey(void)
{
SetKeyInterceptCallback(sub_80871FC);
SetKeyInterceptCallback(KeyInterCB_SendExitRoomKey);
return 0;
}
u16 sub_80872C4(void)
{
SetKeyInterceptCallback(sub_8087210);
SetKeyInterceptCallback(KeyInterCB_SendNothing_2);
return 0;
}
@@ -2686,7 +2699,7 @@ static void LoadTradeRoomPlayer(s32 linkPlayerId, s32 myPlayerId, struct TradeRo
trainer->playerId = linkPlayerId;
trainer->isSelf = (linkPlayerId == myPlayerId) ? 1 : 0;
trainer->c = gLinkPlayerEventObjects[linkPlayerId].mode;
trainer->c = gLinkPlayerEventObjects[linkPlayerId].movementMode;
trainer->facing = GetLinkPlayerFacingDirection(linkPlayerId);
GetLinkPlayerCoords(linkPlayerId, &x, &y);
trainer->pos.x = x;
@@ -2698,7 +2711,7 @@ static void LoadTradeRoomPlayer(s32 linkPlayerId, s32 myPlayerId, struct TradeRo
static bool32 sub_8087340(struct TradeRoomPlayer *player)
{
u8 v1 = player->c;
if (v1 == 2 || v1 == 0)
if (v1 == MOVEMENT_MODE_SCRIPTED || v1 == MOVEMENT_MODE_FREE)
return TRUE;
else
return FALSE;
@@ -2708,7 +2721,7 @@ static bool32 sub_8087340(struct TradeRoomPlayer *player)
static bool32 sub_8087340_2(struct TradeRoomPlayer *player)
{
u8 v1 = player->c;
if (v1 == 2 || v1 == 0)
if (v1 == MOVEMENT_MODE_SCRIPTED || v1 == MOVEMENT_MODE_FREE)
return TRUE;
else
return FALSE;
@@ -2716,14 +2729,14 @@ static bool32 sub_8087340_2(struct TradeRoomPlayer *player)
static u8 *TryGetTileEventScript(struct TradeRoomPlayer *player)
{
if (player->c != 2)
return 0;
if (player->c != MOVEMENT_MODE_SCRIPTED)
return FACING_NONE;
return GetCoordEventScriptAtMapPosition(&player->pos);
}
static bool32 PlayerIsAtSouthExit(struct TradeRoomPlayer *player)
{
if (player->c != 2 && player->c != 0)
if (player->c != MOVEMENT_MODE_SCRIPTED && player->c != MOVEMENT_MODE_FREE)
return FALSE;
else if (!MetatileBehavior_IsSouthArrowWarp(player->field_C))
return FALSE;
@@ -2738,8 +2751,8 @@ static const u8 *TryInteractWithPlayer(struct TradeRoomPlayer *player)
struct MapPosition otherPlayerPos;
u8 linkPlayerId;
if (player->c && player->c != 2)
return 0;
if (player->c != MOVEMENT_MODE_FREE && player->c != MOVEMENT_MODE_SCRIPTED)
return FACING_NONE;
otherPlayerPos = player->pos;
otherPlayerPos.x += gDirectionToVectors[player->facing].x;
@@ -2750,46 +2763,48 @@ static const u8 *TryInteractWithPlayer(struct TradeRoomPlayer *player)
if (linkPlayerId != 4)
{
if (!player->isSelf)
return EventScript_TradeRoom_TooBusyToNotice;
return gEventScript_TradeRoom_TooBusyToNotice;
else if (sPlayerTradingStates[linkPlayerId] != PLAYER_TRADING_STATE_IDLE)
return EventScript_TradeRoom_TooBusyToNotice;
return gEventScript_TradeRoom_TooBusyToNotice;
else if (!GetLinkTrainerCardColor(linkPlayerId))
return EventScript_TradeRoom_ReadTrainerCard_NoColor;
return gEventScript_TradeRoom_ReadTrainerCard_NoColor;
else
return EventScript_TradeRoom_ReadTrainerCard_Normal;
return gEventScript_TradeRoom_ReadTrainerCard_Normal;
}
return GetInteractedLinkPlayerScript(&otherPlayerPos, player->field_C, player->facing);
}
static u16 GetTypeForTileEventScript(const u8 *script)
// This returns which direction to force the player to look when one of
// these event scripts runs.
static u16 GetDirectionForEventScript(const u8 *script)
{
if (script == gUnknown_08277388)
return 10;
else if (script == gUnknown_082773A3)
return 9;
else if (script == gUnknown_082773BE)
return 10;
else if (script == gUnknown_082773D9)
return 9;
else if (script == gUnknown_0827741D)
return 10;
else if (script == gUnknown_08277432)
return 9;
else if (script == gUnknown_08277447)
return 10;
else if (script == gUnknown_0827745C)
return 9;
else if (script == gUnknown_08277374)
return 10;
else if (script == gUnknown_0827737E)
return 9;
else if (script == gUnknown_082773F5)
return 10;
else if (script == gUnknown_082773FF)
return 9;
if (script == gEventScript_DoubleBattleColosseum_PlayerSpot0)
return FACING_FORCED_RIGHT;
else if (script == gEventScript_DoubleBattleColosseum_PlayerSpot1)
return FACING_FORCED_LEFT;
else if (script == gEventScript_DoubleBattleColosseum_PlayerSpot2)
return FACING_FORCED_RIGHT;
else if (script == gEventScript_DoubleBattleColosseum_PlayerSpot3)
return FACING_FORCED_LEFT;
else if (script == gEventScript_RecordCenter_Spot0)
return FACING_FORCED_RIGHT;
else if (script == gEventScript_RecordCenter_Spot1)
return FACING_FORCED_LEFT;
else if (script == gEventScript_RecordCenter_Spot2)
return FACING_FORCED_RIGHT;
else if (script == gEventScript_RecordCenter_Spot3)
return FACING_FORCED_LEFT;
else if (script == gEventScript_SingleBattleColosseum_PlayerSpot0)
return FACING_FORCED_RIGHT;
else if (script == gEventScript_SingleBattleColosseum_PlayerSpot1)
return FACING_FORCED_LEFT;
else if (script == gEventScript_TradeCenter_Chair0)
return FACING_FORCED_RIGHT;
else if (script == gEventScript_TradeCenter_Chair1)
return FACING_FORCED_LEFT;
else
return 0;
return FACING_NONE;
}
static void sub_8087510(void)
@@ -2827,7 +2842,7 @@ static void InitMenuBasedScript(const u8 *script)
static void sub_8087584(void)
{
ScriptContext1_SetupScript(gUnknown_08277509);
ScriptContext1_SetupScript(gEventScript_TerminateLink);
ScriptContext2_Enable();
}
@@ -2927,7 +2942,7 @@ static void SpawnLinkPlayerEventObject(u8 linkPlayerId, s16 x, s16 y, u8 a4)
linkPlayerEventObj->active = 1;
linkPlayerEventObj->linkPlayerId = linkPlayerId;
linkPlayerEventObj->eventObjId = eventObjId;
linkPlayerEventObj->mode = 0;
linkPlayerEventObj->movementMode = MOVEMENT_MODE_FREE;
eventObj->active = 1;
eventObj->singleMovementActive = a4;
@@ -3012,7 +3027,7 @@ static u8 GetLinkPlayerIdAt(s16 x, s16 y)
for (i = 0; i < 4; i++)
{
if (gLinkPlayerEventObjects[i].active
&& (gLinkPlayerEventObjects[i].mode == 0 || gLinkPlayerEventObjects[i].mode == 2))
&& (gLinkPlayerEventObjects[i].movementMode == 0 || gLinkPlayerEventObjects[i].movementMode == 2))
{
struct EventObject *eventObj = &gEventObjects[gLinkPlayerEventObjects[i].eventObjId];
if (eventObj->currentCoords.x == x && eventObj->currentCoords.y == y)
@@ -3022,7 +3037,7 @@ static u8 GetLinkPlayerIdAt(s16 x, s16 y)
return 4;
}
static void RunPlayerEventScript(u8 linkPlayerId, u8 eventScriptType)
static void SetPlayerFacingDirection(u8 linkPlayerId, u8 facing)
{
struct LinkPlayerEventObject *linkPlayerEventObj = &gLinkPlayerEventObjects[linkPlayerId];
u8 eventObjId = linkPlayerEventObj->eventObjId;
@@ -3030,94 +3045,108 @@ static void RunPlayerEventScript(u8 linkPlayerId, u8 eventScriptType)
if (linkPlayerEventObj->active)
{
if (eventScriptType > 10)
if (facing > FACING_FORCED_RIGHT)
eventObj->triggerGroundEffectsOnMove = 1;
else
gUnknown_08339E00[gLinkPlayerEventModes[linkPlayerEventObj->mode](linkPlayerEventObj, eventObj, eventScriptType)](linkPlayerEventObj, eventObj);
else {
// This is a hack to split this code onto two separate lines, without declaring a local variable.
// C++ style inline variables would be nice here.
#define TEMP gLinkPlayerMovementModes[linkPlayerEventObj->movementMode](linkPlayerEventObj, eventObj, facing)
gMovementStatusHandler[TEMP](linkPlayerEventObj, eventObj);
// Clean up the hack.
#undef TEMP
}
}
}
static u8 sub_80879D8(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
static u8 MovementEventModeCB_Normal(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
{
return gUnknown_08339DD4[a3](linkPlayerEventObj, eventObj, a3);
return gLinkPlayerFacingHandlers[a3](linkPlayerEventObj, eventObj, a3);
}
static u8 sub_80879F8(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
static u8 MovementEventModeCB_Ignored(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
{
return 1;
return FACING_UP;
}
static u8 sub_80879FC(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
// Duplicate Function
static u8 MovementEventModeCB_Normal_2(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
{
return gUnknown_08339DD4[a3](linkPlayerEventObj, eventObj, a3);
return gLinkPlayerFacingHandlers[a3](linkPlayerEventObj, eventObj, a3);
}
static u8 sub_8087A1C(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
static bool8 FacingHandler_DoNothing(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
{
return 0;
return FALSE;
}
static u8 sub_8087A20(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
static bool8 FacingHandler_DpadMovement(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
{
s16 x, y;
eventObj->range.as_byte = npc_something3(a3, eventObj->range.as_byte);
eventObj->range.as_byte = FlipVerticalAndClearForced(a3, eventObj->range.as_byte);
EventObjectMoveDestCoords(eventObj, eventObj->range.as_byte, &x, &y);
if (LinkPlayerDetectCollision(linkPlayerEventObj->eventObjId, eventObj->range.as_byte, x, y))
{
return 0;
return FALSE;
}
else
{
eventObj->directionSequenceIndex = 16;
ShiftEventObjectCoords(eventObj, x, y);
EventObjectUpdateZCoord(eventObj);
return 1;
return TRUE;
}
}
static u8 sub_8087A88(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
static bool8 FacingHandler_ForcedFacingChange(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj, u8 a3)
{
eventObj->range.as_byte = npc_something3(a3, eventObj->range.as_byte);
return 0;
eventObj->range.as_byte = FlipVerticalAndClearForced(a3, eventObj->range.as_byte);
return FALSE;
}
static void sub_8087AA0(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj)
// This is called every time a free movement happens. Most of the time it's a No-Op.
static void MovementStatusHandler_EnterFreeMode(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj)
{
linkPlayerEventObj->mode = 0;
linkPlayerEventObj->movementMode = MOVEMENT_MODE_FREE;
}
static void sub_8087AA8(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj)
static void MovementStatusHandler_TryAdvanceScript(struct LinkPlayerEventObject *linkPlayerEventObj, struct EventObject *eventObj)
{
eventObj->directionSequenceIndex--;
linkPlayerEventObj->mode = 1;
linkPlayerEventObj->movementMode = MOVEMENT_MODE_FROZEN;
MoveCoords(eventObj->range.as_byte, &eventObj->initialCoords.x, &eventObj->initialCoords.y);
if (!eventObj->directionSequenceIndex)
{
ShiftStillEventObjectCoords(eventObj);
linkPlayerEventObj->mode = 2;
linkPlayerEventObj->movementMode = MOVEMENT_MODE_SCRIPTED;
}
}
static u8 npc_something3(u8 a1, u8 a2)
// Flip Up/Down facing codes. If newFacing doesn't specify a direction, default
// to oldFacing. Note that this clears also the "FORCED" part of the facing code,
// even for Left/Right codes.
static u8 FlipVerticalAndClearForced(u8 newFacing, u8 oldFacing)
{
switch (a1 - 1)
switch (newFacing - 1)
{
case 0:
case 6:
return 2;
case 1:
case 7:
return 1;
case 2:
case 8:
return 3;
case 3:
case 9:
return 4;
case (FACING_UP - 1):
case (FACING_FORCED_UP - 1):
return FACING_DOWN;
case (FACING_DOWN - 1):
case (FACING_FORCED_DOWN - 1):
return FACING_UP;
case (FACING_LEFT - 1):
case (FACING_FORCED_LEFT - 1):
return FACING_LEFT;
case (FACING_RIGHT - 1):
case (FACING_FORCED_RIGHT - 1):
return FACING_RIGHT;
}
return a2;
return oldFacing;
}
static u8 LinkPlayerDetectCollision(u8 selfEventObjId, u8 a2, s16 x, s16 y)
@@ -3177,7 +3206,7 @@ static void SpriteCB_LinkPlayer(struct Sprite *sprite)
SetObjectSubpriorityByZCoord(eventObj->previousElevation, sprite, 1);
sprite->oam.priority = ZCoordToPriority(eventObj->previousElevation);
if (!linkPlayerEventObj->mode)
if (!linkPlayerEventObj->movementMode != MOVEMENT_MODE_FREE)
StartSpriteAnim(sprite, GetFaceDirectionAnimNum(eventObj->range.as_byte));
else
StartSpriteAnimIfDifferent(sprite, GetMoveDirectionAnimNum(eventObj->range.as_byte));