ported battle_controllers from pokeem

1 files changed, 1171 insertions, 0 deletions

diff --git a/src/battle_controllers.c b/src/battle_controllers.c
new file mode 100644
index 000000000..20c934a0c
--- /dev/null
+++ b/src/battle_controllers.c
@@ -0,0 +1,1171 @@
+#include "global.h"
+#include "battle.h"
+#include "battle_2.h"
+#include "battle_ai_script_commands.h"
+#include "battle_anim.h"
+#include "battle_util.h"
+#include "battle_controllers.h"
+#include "battle_message.h"
+#include "link.h"
+#include "link_rfu.h"
+#include "cable_club.h"
+#include "party_menu.h"
+#include "pokemon.h"
+#include "task.h"
+#include "util.h"
+#include "constants/abilities.h"
+#include "constants/species.h"
+#include "constants/battle.h"
+
+static EWRAM_DATA u8 sLinkSendTaskId = 0;
+static EWRAM_DATA u8 sLinkReceiveTaskId = 0;
+static EWRAM_DATA u8 gUnknown_202286E = 0;
+EWRAM_DATA struct UnusedControllerStruct gUnknown_2022870 = {0};
+static EWRAM_DATA u8 sBattleBuffersTransferData[0x100] = {0};
+
+static void CreateTasksForSendRecvLinkBuffers(void);
+static void InitLinkBtlControllers(void);
+static void InitSinglePlayerBtlControllers(void);
+static void SetBattlePartyIds(void);
+static void Task_HandleSendLinkBuffersData(u8 taskId);
+static void Task_HandleCopyReceivedLinkBuffersData(u8 taskId);
+
+void HandleLinkBattleSetup(void)
+{
+    if (gBattleTypeFlags & BATTLE_TYPE_LINK)
+    {
+        if (gWirelessCommType)
+            sub_800B1F4();
+        if (!gReceivedRemoteLinkPlayers)
+            OpenLink();
+        CreateTask(sub_8081A90, 0);
+        CreateTasksForSendRecvLinkBuffers();
+    }
+}
+
+void SetUpBattleVars(void)
+{
+    s32 i;
+
+    gBattleMainFunc = nullsub_12;
+    for (i = 0; i < MAX_BATTLERS_COUNT; ++i)
+    {
+        gBattlerControllerFuncs[i] = nullsub_13;
+        gBattlerPositions[i] = 0xFF;
+        gActionSelectionCursor[i] = 0;
+        gMoveSelectionCursor[i] = 0;
+    }
+    HandleLinkBattleSetup();
+    gBattleControllerExecFlags = 0;
+    ClearBattleAnimationVars();
+    ClearBattleMonForms();
+    BattleAI_HandleItemUseBeforeAISetup();
+    gUnknown_2022B54 = 0;
+    gUnknown_2023DDC = 0;
+}
+
+void sub_800D30C(void)
+{
+    s32 i;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_LINK)
+        InitLinkBtlControllers();
+    else
+        InitSinglePlayerBtlControllers();
+    SetBattlePartyIds();
+    if (!(gBattleTypeFlags & BATTLE_TYPE_MULTI))
+        for (i = 0; i < gBattlersCount; ++i)
+            sub_8127DA8(i, 0);
+}
+
+static void InitSinglePlayerBtlControllers(void)
+{
+    if (!(gBattleTypeFlags & BATTLE_TYPE_DOUBLE))
+    {
+        gBattleMainFunc = BeginBattleIntro;
+        if (gBattleTypeFlags & BATTLE_TYPE_POKEDUDE)
+        {
+            gBattlerControllerFuncs[0] = SetControllerToPokedude;
+            gBattlerPositions[0] = B_POSITION_PLAYER_LEFT;
+            gBattlerControllerFuncs[1] = SetControllerToPokedude;
+            gBattlerPositions[1] = B_POSITION_OPPONENT_LEFT;
+            gBattlersCount = 2;
+        }
+        else
+        {
+            if (gBattleTypeFlags & BATTLE_TYPE_SAFARI)
+                gBattlerControllerFuncs[0] = SetControllerToSafari;
+            else if (gBattleTypeFlags & (BATTLE_TYPE_OLDMAN_TUTORIAL | BATTLE_TYPE_FIRST_BATTLE))
+                gBattlerControllerFuncs[0] = SetControllerToOakOrOldman;
+            else
+                gBattlerControllerFuncs[0] = SetControllerToPlayer;
+            gBattlerPositions[0] = B_POSITION_PLAYER_LEFT;
+            gBattlerControllerFuncs[1] = SetControllerToOpponent;
+            gBattlerPositions[1] = B_POSITION_OPPONENT_LEFT;
+            gBattlersCount = 2;
+        }
+    }
+    else
+    {
+        gBattleMainFunc = BeginBattleIntro;
+        if (gBattleTypeFlags & BATTLE_TYPE_POKEDUDE)
+        {
+            gBattlerControllerFuncs[0] = SetControllerToPokedude;
+            gBattlerPositions[0] = B_POSITION_PLAYER_LEFT;
+            gBattlerControllerFuncs[1] = SetControllerToPokedude;
+            gBattlerPositions[1] = B_POSITION_OPPONENT_LEFT;
+            gBattlerControllerFuncs[2] = SetControllerToPokedude;
+            gBattlerPositions[2] = B_POSITION_PLAYER_RIGHT;
+            gBattlerControllerFuncs[3] = SetControllerToPokedude;
+            gBattlerPositions[3] = B_POSITION_OPPONENT_RIGHT;
+            gBattlersCount = MAX_BATTLERS_COUNT;
+        }
+        else
+        {
+            gBattlerControllerFuncs[0] = SetControllerToPlayer;
+            gBattlerPositions[0] = B_POSITION_PLAYER_LEFT;
+            gBattlerControllerFuncs[1] = SetControllerToOpponent;
+            gBattlerPositions[1] = B_POSITION_OPPONENT_LEFT;
+            gBattlerControllerFuncs[2] = SetControllerToPlayer;
+            gBattlerPositions[2] = B_POSITION_PLAYER_RIGHT;
+            gBattlerControllerFuncs[3] = SetControllerToOpponent;
+            gBattlerPositions[3] = B_POSITION_OPPONENT_RIGHT;
+            gBattlersCount = MAX_BATTLERS_COUNT;
+        }
+    }
+}
+
+static void InitLinkBtlControllers(void)
+{
+    s32 i;
+    u8 multiplayerId;
+
+    if (!(gBattleTypeFlags & BATTLE_TYPE_DOUBLE))
+    {
+        if (gBattleTypeFlags & BATTLE_TYPE_IS_MASTER)
+        {
+            gBattleMainFunc = BeginBattleIntro;
+            gBattlerControllerFuncs[0] = SetControllerToPlayer;
+            gBattlerPositions[0] = B_POSITION_PLAYER_LEFT;
+            gBattlerControllerFuncs[1] = SetControllerToLinkOpponent;
+            gBattlerPositions[1] = B_POSITION_OPPONENT_LEFT;
+            gBattlersCount = 2;
+        }
+        else
+        {
+            gBattlerControllerFuncs[1] = SetControllerToPlayer;
+            gBattlerPositions[1] = B_POSITION_PLAYER_LEFT;
+            gBattlerControllerFuncs[0] = SetControllerToLinkOpponent;
+            gBattlerPositions[0] = B_POSITION_OPPONENT_LEFT;
+            gBattlersCount = 2;
+        }
+    }
+    else if (!(gBattleTypeFlags & BATTLE_TYPE_MULTI) && (gBattleTypeFlags & BATTLE_TYPE_DOUBLE))
+    {
+        if (gBattleTypeFlags & BATTLE_TYPE_IS_MASTER)
+        {
+            gBattleMainFunc = BeginBattleIntro;
+            gBattlerControllerFuncs[0] = SetControllerToPlayer;
+            gBattlerPositions[0] = B_POSITION_PLAYER_LEFT;
+            gBattlerControllerFuncs[1] = SetControllerToLinkOpponent;
+            gBattlerPositions[1] = B_POSITION_OPPONENT_LEFT;
+            gBattlerControllerFuncs[2] = SetControllerToPlayer;
+            gBattlerPositions[2] = B_POSITION_PLAYER_RIGHT;
+            gBattlerControllerFuncs[3] = SetControllerToLinkOpponent;
+            gBattlerPositions[3] = B_POSITION_OPPONENT_RIGHT;
+            gBattlersCount = MAX_BATTLERS_COUNT;
+        }
+        else
+        {
+            gBattlerControllerFuncs[1] = SetControllerToPlayer;
+            gBattlerPositions[1] = B_POSITION_PLAYER_LEFT;
+            gBattlerControllerFuncs[0] = SetControllerToLinkOpponent;
+            gBattlerPositions[0] = B_POSITION_OPPONENT_LEFT;
+            gBattlerControllerFuncs[3] = SetControllerToPlayer;
+            gBattlerPositions[3] = B_POSITION_PLAYER_RIGHT;
+            gBattlerControllerFuncs[2] = SetControllerToLinkOpponent;
+            gBattlerPositions[2] = B_POSITION_OPPONENT_RIGHT;
+            gBattlersCount = MAX_BATTLERS_COUNT;
+        }
+    }
+    else
+    {
+        multiplayerId = GetMultiplayerId();
+        if (gBattleTypeFlags & BATTLE_TYPE_IS_MASTER)
+            gBattleMainFunc = BeginBattleIntro;
+
+        for (i = 0; i < MAX_BATTLERS_COUNT; ++i)
+        {
+            switch (gLinkPlayers[i].id)
+            {
+            case 0:
+            case 3:
+                sub_8127DA8(gLinkPlayers[i].id, 0);
+                break;
+            case 1:
+            case 2:
+                sub_8127DA8(gLinkPlayers[i].id, 1);
+                break;
+            }
+            if (i == multiplayerId)
+            {
+                gBattlerControllerFuncs[gLinkPlayers[i].id] = SetControllerToPlayer;
+                switch (gLinkPlayers[i].id)
+                {
+                case 0:
+                case 3:
+                    gBattlerPositions[gLinkPlayers[i].id] = B_POSITION_PLAYER_LEFT;
+                    gBattlerPartyIndexes[gLinkPlayers[i].id] = B_POSITION_PLAYER_LEFT;
+                    break;
+                case 1:
+                case 2:
+                    gBattlerPositions[gLinkPlayers[i].id] = B_POSITION_PLAYER_RIGHT;
+                    gBattlerPartyIndexes[gLinkPlayers[i].id] = 3;
+                    break;
+                }
+            }
+            else
+            {
+                if ((!(gLinkPlayers[i].id & 1) && !(gLinkPlayers[multiplayerId].id & 1)) || ((gLinkPlayers[i].id & 1) && (gLinkPlayers[multiplayerId].id & 1)))
+                {
+                    gBattlerControllerFuncs[gLinkPlayers[i].id] = SetControllerToLinkPartner;
+                    switch (gLinkPlayers[i].id)
+                    {
+                    case 0:
+                    case 3:
+                        gBattlerPositions[gLinkPlayers[i].id] = B_POSITION_PLAYER_LEFT;
+                        gBattlerPartyIndexes[gLinkPlayers[i].id] = B_POSITION_PLAYER_LEFT;
+                        break;
+                    case 1:
+                    case 2:
+                        gBattlerPositions[gLinkPlayers[i].id] = B_POSITION_PLAYER_RIGHT;
+                        gBattlerPartyIndexes[gLinkPlayers[i].id] = B_POSITION_OPPONENT_RIGHT;
+                        break;
+                    }
+                }
+                else
+                {
+                    gBattlerControllerFuncs[gLinkPlayers[i].id] = SetControllerToLinkOpponent;
+                    switch (gLinkPlayers[i].id)
+                    {
+                    case 0:
+                    case 3:
+                        gBattlerPositions[gLinkPlayers[i].id] = B_POSITION_OPPONENT_LEFT;
+                        gBattlerPartyIndexes[gLinkPlayers[i].id] = B_POSITION_PLAYER_LEFT;
+                        break;
+                    case 1:
+                    case 2:
+                        gBattlerPositions[gLinkPlayers[i].id] = B_POSITION_OPPONENT_RIGHT;
+                        gBattlerPartyIndexes[gLinkPlayers[i].id] = B_POSITION_OPPONENT_RIGHT;
+                        break;
+                    }
+                }
+            }
+        }
+        gBattlersCount = MAX_BATTLERS_COUNT;
+    }
+}
+
+static void SetBattlePartyIds(void)
+{
+    s32 i, j;
+
+    if (!(gBattleTypeFlags & BATTLE_TYPE_MULTI))
+    {
+        for (i = 0; i < gBattlersCount; ++i)
+        {
+            for (j = 0; j < PARTY_SIZE; ++j)
+            {
+                if (i < 2)
+                {
+                    if (GET_BATTLER_SIDE2(i) == B_SIDE_PLAYER)
+                    {
+                        if (GetMonData(&gPlayerParty[j], MON_DATA_HP) != 0
+                         && GetMonData(&gPlayerParty[j], MON_DATA_SPECIES2) != SPECIES_NONE
+                         && GetMonData(&gPlayerParty[j], MON_DATA_SPECIES2) != SPECIES_EGG
+                         && !GetMonData(&gPlayerParty[j], MON_DATA_IS_EGG))
+                        {
+                            gBattlerPartyIndexes[i] = j;
+                            break;
+                        }
+                    }
+                    else
+                    {
+                        if (GetMonData(&gEnemyParty[j], MON_DATA_HP) != 0
+                         && GetMonData(&gEnemyParty[j], MON_DATA_SPECIES2) != SPECIES_NONE
+                         && GetMonData(&gEnemyParty[j], MON_DATA_SPECIES2) != SPECIES_EGG
+                         && !GetMonData(&gEnemyParty[j], MON_DATA_IS_EGG))
+                        {
+                            gBattlerPartyIndexes[i] = j;
+                            break;
+                        }
+                    }
+                }
+                else
+                {
+                    if (GET_BATTLER_SIDE2(i) == B_SIDE_PLAYER)
+                    {
+                        if (GetMonData(&gPlayerParty[j], MON_DATA_HP) != 0
+                         && GetMonData(&gPlayerParty[j], MON_DATA_SPECIES) != SPECIES_NONE  // Probably a typo by Game Freak. The rest use SPECIES2.
+                         && GetMonData(&gPlayerParty[j], MON_DATA_SPECIES2) != SPECIES_EGG
+                         && !GetMonData(&gPlayerParty[j], MON_DATA_IS_EGG)
+                         && gBattlerPartyIndexes[i - 2] != j)
+                        {
+                            gBattlerPartyIndexes[i] = j;
+                            break;
+                        }
+                    }
+                    else
+                    {
+                        if (GetMonData(&gEnemyParty[j], MON_DATA_HP) != 0
+                         && GetMonData(&gEnemyParty[j], MON_DATA_SPECIES2) != SPECIES_NONE
+                         && GetMonData(&gEnemyParty[j], MON_DATA_SPECIES2) != SPECIES_EGG
+                         && !GetMonData(&gEnemyParty[j], MON_DATA_IS_EGG)
+                         && gBattlerPartyIndexes[i - 2] != j)
+                        {
+                            gBattlerPartyIndexes[i] = j;
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+static void PrepareBufferDataTransfer(u8 bufferId, u8 *data, u16 size)
+{
+    s32 i;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_LINK)
+    {
+        PrepareBufferDataTransferLink(bufferId, size, data);
+    }
+    else
+    {
+        switch (bufferId)
+        {
+        case 0:
+            for (i = 0; i < size; ++data, ++i)
+                gBattleBufferA[gActiveBattler][i] = *data;
+            break;
+        case 1:
+            for (i = 0; i < size; ++data, ++i)
+                gBattleBufferB[gActiveBattler][i] = *data;
+            break;
+        }
+    }
+}
+
+static void CreateTasksForSendRecvLinkBuffers(void)
+{
+    sLinkSendTaskId = CreateTask(Task_HandleSendLinkBuffersData, 0);
+    gTasks[sLinkSendTaskId].data[11] = 0;
+    gTasks[sLinkSendTaskId].data[12] = 0;
+    gTasks[sLinkSendTaskId].data[13] = 0;
+    gTasks[sLinkSendTaskId].data[14] = 0;
+    gTasks[sLinkSendTaskId].data[15] = 0;
+    sLinkReceiveTaskId = CreateTask(Task_HandleCopyReceivedLinkBuffersData, 0);
+    gTasks[sLinkReceiveTaskId].data[12] = 0;
+    gTasks[sLinkReceiveTaskId].data[13] = 0;
+    gTasks[sLinkReceiveTaskId].data[14] = 0;
+    gTasks[sLinkReceiveTaskId].data[15] = 0;
+    gUnknown_202286E = 0;
+}
+
+enum
+{
+    LINK_BUFF_BUFFER_ID,
+    LINK_BUFF_ACTIVE_BATTLER,
+    LINK_BUFF_ATTACKER,
+    LINK_BUFF_TARGET,
+    LINK_BUFF_SIZE_LO,
+    LINK_BUFF_SIZE_HI,
+    LINK_BUFF_ABSENT_BATTLER_FLAGS,
+    LINK_BUFF_EFFECT_BATTLER,
+    LINK_BUFF_DATA,
+};
+
+void PrepareBufferDataTransferLink(u8 bufferId, u16 size, u8 *data)
+{
+    s32 alignedSize, i;
+
+    alignedSize = size - size % 4 + 4;
+    if (gTasks[sLinkSendTaskId].data[14] + alignedSize + LINK_BUFF_DATA + 1 > BATTLE_BUFFER_LINK_SIZE)
+    {
+        gTasks[sLinkSendTaskId].data[12] = gTasks[sLinkSendTaskId].data[14];
+        gTasks[sLinkSendTaskId].data[14] = 0;
+    }
+    gLinkBattleSendBuffer[gTasks[sLinkSendTaskId].data[14] + LINK_BUFF_BUFFER_ID] = bufferId;
+    gLinkBattleSendBuffer[gTasks[sLinkSendTaskId].data[14] + LINK_BUFF_ACTIVE_BATTLER] = gActiveBattler;
+    gLinkBattleSendBuffer[gTasks[sLinkSendTaskId].data[14] + LINK_BUFF_ATTACKER] = gBattlerAttacker;
+    gLinkBattleSendBuffer[gTasks[sLinkSendTaskId].data[14] + LINK_BUFF_TARGET] = gBattlerTarget;
+    gLinkBattleSendBuffer[gTasks[sLinkSendTaskId].data[14] + LINK_BUFF_SIZE_LO] = alignedSize;
+    gLinkBattleSendBuffer[gTasks[sLinkSendTaskId].data[14] + LINK_BUFF_SIZE_HI] = (alignedSize & 0x0000FF00) >> 8;
+    gLinkBattleSendBuffer[gTasks[sLinkSendTaskId].data[14] + LINK_BUFF_ABSENT_BATTLER_FLAGS] = gAbsentBattlerFlags;
+    gLinkBattleSendBuffer[gTasks[sLinkSendTaskId].data[14] + LINK_BUFF_EFFECT_BATTLER] = gEffectBattler;
+    for (i = 0; i < size; ++i)
+        gLinkBattleSendBuffer[gTasks[sLinkSendTaskId].data[14] + LINK_BUFF_DATA + i] = data[i];
+    gTasks[sLinkSendTaskId].data[14] = gTasks[sLinkSendTaskId].data[14] + alignedSize + LINK_BUFF_DATA;
+}
+
+static void Task_HandleSendLinkBuffersData(u8 taskId)
+{
+    u16 blockSize;
+    s32 playerCount;
+
+    switch (gTasks[taskId].data[11])
+    {
+    case 0:
+        gTasks[taskId].data[10] = 100;
+        ++gTasks[taskId].data[11];
+        break;
+    case 1:
+        if (!--gTasks[taskId].data[10])
+        {
+            ++gTasks[taskId].data[11];
+            if (gReceivedRemoteLinkPlayers)
+                gTasks[taskId].data[11] = 3;
+        }
+        break;
+    case 2:
+        playerCount = GetLinkPlayerCount_2();
+        if ((gBattleTypeFlags & BATTLE_TYPE_MULTI && playerCount > 3) || (!(gBattleTypeFlags & BATTLE_TYPE_MULTI) && playerCount > 1))
+        {
+            if (IsLinkMaster())
+            {
+                CheckShouldAdvanceLinkState();
+                ++gTasks[taskId].data[11];
+            }
+            else
+            {
+                ++gTasks[taskId].data[11];
+            }
+        }
+        break;
+    case 3:
+        if (gTasks[taskId].data[15] != gTasks[taskId].data[14])
+        {
+            if (!gTasks[taskId].data[13])
+            {
+                if (gTasks[taskId].data[15] > gTasks[taskId].data[14]
+                 && gTasks[taskId].data[15] == gTasks[taskId].data[12])
+                {
+                    gTasks[taskId].data[12] = 0;
+                    gTasks[taskId].data[15] = 0;
+                }
+                blockSize = (gLinkBattleSendBuffer[gTasks[taskId].data[15] + LINK_BUFF_SIZE_LO] | (gLinkBattleSendBuffer[gTasks[taskId].data[15] + LINK_BUFF_SIZE_HI] << 8)) + LINK_BUFF_DATA;
+                SendBlock(bitmask_all_link_players_but_self(), &gLinkBattleSendBuffer[gTasks[taskId].data[15]], blockSize);
+                ++gTasks[taskId].data[11];
+            }
+            else
+            {
+                --gTasks[taskId].data[13];
+                break;
+            }
+        }
+        break;
+    case 4:
+        if (IsLinkTaskFinished())
+        {
+            blockSize = gLinkBattleSendBuffer[gTasks[taskId].data[15] + LINK_BUFF_SIZE_LO] | (gLinkBattleSendBuffer[gTasks[taskId].data[15] + LINK_BUFF_SIZE_HI] << 8);
+            gTasks[taskId].data[13] = 5;
+            gTasks[taskId].data[15] = gTasks[taskId].data[15] + blockSize + LINK_BUFF_DATA;
+            gTasks[taskId].data[11] = 3;
+        }
+        break;
+    case 5:
+        if (!--gTasks[taskId].data[13])
+        {
+            gTasks[taskId].data[13] = 5;
+            gTasks[taskId].data[11] = 3;
+        }
+        break;
+    }
+}
+
+void sub_800DD28(void)
+{
+    u8 i;
+    s32 j;
+    u16 r6;
+    u8 *recvBuffer, *dest, *src;
+
+    if (gReceivedRemoteLinkPlayers && (gBattleTypeFlags & BATTLE_TYPE_20) && (gLinkPlayers[0].linkType == 0x2211))
+    {
+        sub_80FBB4C();
+        for (i = 0; i < GetLinkPlayerCount(); ++i)
+        {
+            if (GetBlockReceivedStatus() & gBitTable[i])
+            {
+                ResetBlockReceivedFlag(i);
+                recvBuffer = (u8 *)gBlockRecvBuffer[i];
+                {
+                    r6 = gBlockRecvBuffer[i][2];
+                    if (gTasks[sLinkReceiveTaskId].data[14] + 9 + r6 > 0x1000)
+                    {
+                        gTasks[sLinkReceiveTaskId].data[12] = gTasks[sLinkReceiveTaskId].data[14];
+                        gTasks[sLinkReceiveTaskId].data[14] = 0;
+                    }
+                    dest = &gLinkBattleRecvBuffer[gTasks[sLinkReceiveTaskId].data[14]];
+                    src = recvBuffer;
+                    for (j = 0; j < r6 + 8; ++j)
+                        dest[j] = src[j];
+                }
+                gTasks[sLinkReceiveTaskId].data[14] = gTasks[sLinkReceiveTaskId].data[14] + r6 + 8;
+            }
+        }
+    }
+}
+
+static void Task_HandleCopyReceivedLinkBuffersData(u8 taskId)
+{
+    u16 blockSize;
+    u8 battlerId;
+    u8 var;
+
+    if (gTasks[taskId].data[15] != gTasks[taskId].data[14])
+    {
+        if (gTasks[taskId].data[15] > gTasks[taskId].data[14]
+         && gTasks[taskId].data[15] == gTasks[taskId].data[12])
+        {
+            gTasks[taskId].data[12] = 0;
+            gTasks[taskId].data[15] = 0;
+        }
+        battlerId = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_ACTIVE_BATTLER];
+        blockSize = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_SIZE_LO] | (gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_SIZE_HI] << 8);
+        switch (gLinkBattleRecvBuffer[gTasks[taskId].data[15] + 0])
+        {
+        case 0:
+            if (gBattleControllerExecFlags & gBitTable[battlerId])
+                return;
+            memcpy(gBattleBufferA[battlerId], &gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_DATA], blockSize);
+            sub_8017298(battlerId);
+            if (!(gBattleTypeFlags & BATTLE_TYPE_IS_MASTER))
+            {
+                gBattlerAttacker = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_ATTACKER];
+                gBattlerTarget = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_TARGET];
+                gAbsentBattlerFlags = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_ABSENT_BATTLER_FLAGS];
+                gEffectBattler = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_EFFECT_BATTLER];
+            }
+            break;
+        case 1:
+            memcpy(gBattleBufferB[battlerId], &gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_DATA], blockSize);
+            break;
+        case 2:
+            var = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_DATA];
+            gBattleControllerExecFlags &= ~(gBitTable[battlerId] << (var * 4));
+            break;
+        }
+        gTasks[taskId].data[15] = gTasks[taskId].data[15] + blockSize + LINK_BUFF_DATA;
+    }
+}
+
+void BtlController_EmitGetMonData(u8 bufferId, u8 requestId, u8 monToCheck)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_GETMONDATA;
+    sBattleBuffersTransferData[1] = requestId;
+    sBattleBuffersTransferData[2] = monToCheck;
+    sBattleBuffersTransferData[3] = 0;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+// not used
+static void BtlController_EmitGetRawMonData(u8 bufferId, u8 monId, u8 bytes)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_GETRAWMONDATA;
+    sBattleBuffersTransferData[1] = monId;
+    sBattleBuffersTransferData[2] = bytes;
+    sBattleBuffersTransferData[3] = 0;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitSetMonData(u8 bufferId, u8 requestId, u8 monToCheck, u8 bytes, void *data)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_SETMONDATA;
+    sBattleBuffersTransferData[1] = requestId;
+    sBattleBuffersTransferData[2] = monToCheck;
+    for (i = 0; i < bytes; ++i)
+        sBattleBuffersTransferData[3 + i] = *(u8 *)(data++);
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 3 + bytes);
+}
+
+// not used
+static void BtlController_EmitSetRawMonData(u8 bufferId, u8 monId, u8 bytes, void *data)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_SETRAWMONDATA;
+    sBattleBuffersTransferData[1] = monId;
+    sBattleBuffersTransferData[2] = bytes;
+    for (i = 0; i < bytes; ++i)
+        sBattleBuffersTransferData[3 + i] = *(u8*)(data++);
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, bytes + 3);
+}
+
+void BtlController_EmitLoadMonSprite(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_LOADMONSPRITE;
+    sBattleBuffersTransferData[1] = CONTROLLER_LOADMONSPRITE;
+    sBattleBuffersTransferData[2] = CONTROLLER_LOADMONSPRITE;
+    sBattleBuffersTransferData[3] = CONTROLLER_LOADMONSPRITE;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitSwitchInAnim(u8 bufferId, u8 partyId, bool8 dontClearSubstituteBit)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_SWITCHINANIM;
+    sBattleBuffersTransferData[1] = partyId;
+    sBattleBuffersTransferData[2] = dontClearSubstituteBit;
+    sBattleBuffersTransferData[3] = 5;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitReturnMonToBall(u8 bufferId, u8 arg1)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_RETURNMONTOBALL;
+    sBattleBuffersTransferData[1] = arg1;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 2);
+}
+
+void BtlController_EmitDrawTrainerPic(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_DRAWTRAINERPIC;
+    sBattleBuffersTransferData[1] = CONTROLLER_DRAWTRAINERPIC;
+    sBattleBuffersTransferData[2] = CONTROLLER_DRAWTRAINERPIC;
+    sBattleBuffersTransferData[3] = CONTROLLER_DRAWTRAINERPIC;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitTrainerSlide(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_TRAINERSLIDE;
+    sBattleBuffersTransferData[1] = CONTROLLER_TRAINERSLIDE;
+    sBattleBuffersTransferData[2] = CONTROLLER_TRAINERSLIDE;
+    sBattleBuffersTransferData[3] = CONTROLLER_TRAINERSLIDE;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitTrainerSlideBack(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_TRAINERSLIDEBACK;
+    sBattleBuffersTransferData[1] = CONTROLLER_TRAINERSLIDEBACK;
+    sBattleBuffersTransferData[2] = CONTROLLER_TRAINERSLIDEBACK;
+    sBattleBuffersTransferData[3] = CONTROLLER_TRAINERSLIDEBACK;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitFaintAnimation(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_FAINTANIMATION;
+    sBattleBuffersTransferData[1] = CONTROLLER_FAINTANIMATION;
+    sBattleBuffersTransferData[2] = CONTROLLER_FAINTANIMATION;
+    sBattleBuffersTransferData[3] = CONTROLLER_FAINTANIMATION;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+// not used
+static void BtlController_EmitPaletteFade(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_PALETTEFADE;
+    sBattleBuffersTransferData[1] = CONTROLLER_PALETTEFADE;
+    sBattleBuffersTransferData[2] = CONTROLLER_PALETTEFADE;
+    sBattleBuffersTransferData[3] = CONTROLLER_PALETTEFADE;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+// not used
+static void BtlController_EmitSuccessBallThrowAnim(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_SUCCESSBALLTHROWANIM;
+    sBattleBuffersTransferData[1] = CONTROLLER_SUCCESSBALLTHROWANIM;
+    sBattleBuffersTransferData[2] = CONTROLLER_SUCCESSBALLTHROWANIM;
+    sBattleBuffersTransferData[3] = CONTROLLER_SUCCESSBALLTHROWANIM;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitBallThrowAnim(u8 bufferId, u8 caseId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_BALLTHROWANIM;
+    sBattleBuffersTransferData[1] = caseId;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 2);
+}
+
+// not used
+static void BtlController_EmitPause(u8 bufferId, u8 toWait, void *data)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_PAUSE;
+    sBattleBuffersTransferData[1] = toWait;
+    for (i = 0; i < toWait * 3; ++i)
+        sBattleBuffersTransferData[2 + i] = *(u8*)(data++);
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, toWait * 3 + 2);
+}
+
+void BtlController_EmitMoveAnimation(u8 bufferId, u16 move, u8 turnOfMove, u16 movePower, s32 dmg, u8 friendship, struct DisableStruct *disableStructPtr)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_MOVEANIMATION;
+    sBattleBuffersTransferData[1] = move;
+    sBattleBuffersTransferData[2] = (move & 0xFF00) >> 8;
+    sBattleBuffersTransferData[3] = turnOfMove;
+    sBattleBuffersTransferData[4] = movePower;
+    sBattleBuffersTransferData[5] = (movePower & 0xFF00) >> 8;
+    sBattleBuffersTransferData[6] = dmg;
+    sBattleBuffersTransferData[7] = (dmg & 0x0000FF00) >> 8;
+    sBattleBuffersTransferData[8] = (dmg & 0x00FF0000) >> 16;
+    sBattleBuffersTransferData[9] = (dmg & 0xFF000000) >> 24;
+    sBattleBuffersTransferData[10] = friendship;
+    sBattleBuffersTransferData[11] = gUnknown_2023D72; // multihit in pokeem
+    if (WEATHER_HAS_EFFECT2)
+    {
+        sBattleBuffersTransferData[12] = gBattleWeather;
+        sBattleBuffersTransferData[13] = (gBattleWeather & 0xFF00) >> 8;
+    }
+    else
+    {
+        sBattleBuffersTransferData[12] = 0;
+        sBattleBuffersTransferData[13] = 0;
+    }
+    sBattleBuffersTransferData[14] = 0;
+    sBattleBuffersTransferData[15] = 0;
+    memcpy(&sBattleBuffersTransferData[16], disableStructPtr, sizeof(struct DisableStruct));
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 16 + sizeof(struct DisableStruct));
+}
+
+void BtlController_EmitPrintString(u8 bufferId, u16 stringID)
+{
+    s32 i;
+    struct BattleMsgData *stringInfo;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_PRINTSTRING;
+    sBattleBuffersTransferData[1] = gBattleOutcome;
+    sBattleBuffersTransferData[2] = stringID;
+    sBattleBuffersTransferData[3] = (stringID & 0xFF00) >> 8;
+    stringInfo = (struct BattleMsgData *)(&sBattleBuffersTransferData[4]);
+    stringInfo->currentMove = gCurrentMove;
+    stringInfo->originallyUsedMove = gChosenMove;
+    stringInfo->lastItem = gLastUsedItem;
+    stringInfo->lastAbility = gLastUsedAbility;
+    stringInfo->scrActive = gBattleScripting.battler;
+    stringInfo->unk1605E = gBattleStruct->field_52;
+    stringInfo->hpScale = gBattleStruct->hpScale;
+    stringInfo->itemEffectBattler = gPotentialItemEffectBattler;
+    stringInfo->moveType = gBattleMoves[gCurrentMove].type;
+    for (i = 0; i < MAX_BATTLERS_COUNT; ++i)
+        stringInfo->abilities[i] = gBattleMons[i].ability;
+    for (i = 0; i < TEXT_BUFF_ARRAY_COUNT; ++i)
+    {
+        stringInfo->textBuffs[0][i] = gBattleTextBuff1[i];
+        stringInfo->textBuffs[1][i] = gBattleTextBuff2[i];
+        stringInfo->textBuffs[2][i] = gBattleTextBuff3[i];
+    }
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, sizeof(struct BattleMsgData) + 4);
+}
+
+void BtlController_EmitPrintSelectionString(u8 bufferId, u16 stringID)
+{
+    s32 i;
+    struct BattleMsgData *stringInfo;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_PRINTSTRINGPLAYERONLY;
+    sBattleBuffersTransferData[1] = CONTROLLER_PRINTSTRINGPLAYERONLY;
+    sBattleBuffersTransferData[2] = stringID;
+    sBattleBuffersTransferData[3] = (stringID & 0xFF00) >> 8;
+
+    stringInfo = (struct BattleMsgData*)(&sBattleBuffersTransferData[4]);
+    stringInfo->currentMove = gCurrentMove;
+    stringInfo->originallyUsedMove = gChosenMove;
+    stringInfo->lastItem = gLastUsedItem;
+    stringInfo->lastAbility = gLastUsedAbility;
+    stringInfo->scrActive = gBattleScripting.battler;
+    stringInfo->unk1605E = gBattleStruct->field_52;
+    for (i = 0; i < MAX_BATTLERS_COUNT; ++i)
+        stringInfo->abilities[i] = gBattleMons[i].ability;
+    for (i = 0; i < TEXT_BUFF_ARRAY_COUNT; ++i)
+    {
+        stringInfo->textBuffs[0][i] = gBattleTextBuff1[i];
+        stringInfo->textBuffs[1][i] = gBattleTextBuff2[i];
+        stringInfo->textBuffs[2][i] = gBattleTextBuff3[i];
+    }
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, sizeof(struct BattleMsgData) + 4);
+}
+
+void BtlController_EmitChooseAction(u8 bufferId, u8 arg1, u16 arg2)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_CHOOSEACTION;
+    sBattleBuffersTransferData[1] = arg1;
+    sBattleBuffersTransferData[2] = arg2;
+    sBattleBuffersTransferData[3] = (arg2 & 0xFF00) >> 8;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+// not used
+static void BtlController_EmitUnknownYesNoBox(u8 bufferId, u32 arg1) // TODO: Does the function name make sense for pokefirered? 
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_UNKNOWNYESNOBOX;
+    sBattleBuffersTransferData[1] = arg1;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 2);
+}
+
+void BtlController_EmitChooseMove(u8 bufferId, bool8 isDoubleBattle, bool8 NoPpNumber, struct ChooseMoveStruct *movePpData)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_CHOOSEMOVE;
+    sBattleBuffersTransferData[1] = isDoubleBattle;
+    sBattleBuffersTransferData[2] = NoPpNumber;
+    sBattleBuffersTransferData[3] = 0;
+    for (i = 0; i < sizeof(*movePpData); ++i)
+        sBattleBuffersTransferData[4 + i] = *((u8*)(movePpData) + i);
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, sizeof(*movePpData) + 4);
+}
+
+void BtlController_EmitChooseItem(u8 bufferId, u8 *arg1)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_OPENBAG;
+    for (i = 0; i < 3; ++i)
+        sBattleBuffersTransferData[1 + i] = arg1[i];
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitChoosePokemon(u8 bufferId, u8 caseId, u8 arg2, u8 abilityId, u8 *arg4)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_CHOOSEPOKEMON;
+    sBattleBuffersTransferData[1] = caseId;
+    sBattleBuffersTransferData[2] = arg2;
+    sBattleBuffersTransferData[3] = abilityId;
+    for (i = 0; i < 3; ++i)
+        sBattleBuffersTransferData[4 + i] = arg4[i];
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 8);  // Only 7 bytes were written.
+}
+
+// not used
+static void BtlController_EmitCmd23(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_23;
+    sBattleBuffersTransferData[1] = CONTROLLER_23;
+    sBattleBuffersTransferData[2] = CONTROLLER_23;
+    sBattleBuffersTransferData[3] = CONTROLLER_23;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitHealthBarUpdate(u8 bufferId, u16 hpValue)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_HEALTHBARUPDATE;
+    sBattleBuffersTransferData[1] = 0;
+    sBattleBuffersTransferData[2] = (s16)hpValue;
+    sBattleBuffersTransferData[3] = ((s16)hpValue & 0xFF00) >> 8;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitExpUpdate(u8 bufferId, u8 partyId, u16 expPoints)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_EXPUPDATE;
+    sBattleBuffersTransferData[1] = partyId;
+    sBattleBuffersTransferData[2] = (s16)expPoints;
+    sBattleBuffersTransferData[3] = ((s16)expPoints & 0xFF00) >> 8;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitStatusIconUpdate(u8 bufferId, u32 status1, u32 status2)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_STATUSICONUPDATE;
+    sBattleBuffersTransferData[1] = status1;
+    sBattleBuffersTransferData[2] = (status1 & 0x0000FF00) >> 8;
+    sBattleBuffersTransferData[3] = (status1 & 0x00FF0000) >> 16;
+    sBattleBuffersTransferData[4] = (status1 & 0xFF000000) >> 24;
+    sBattleBuffersTransferData[5] = status2;
+    sBattleBuffersTransferData[6] = (status2 & 0x0000FF00) >> 8;
+    sBattleBuffersTransferData[7] = (status2 & 0x00FF0000) >> 16;
+    sBattleBuffersTransferData[8] = (status2 & 0xFF000000) >> 24;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 9);
+}
+
+void BtlController_EmitStatusAnimation(u8 bufferId, bool8 status2, u32 status)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_STATUSANIMATION;
+    sBattleBuffersTransferData[1] = status2;
+    sBattleBuffersTransferData[2] = status;
+    sBattleBuffersTransferData[3] = (status & 0x0000FF00) >> 8;
+    sBattleBuffersTransferData[4] = (status & 0x00FF0000) >> 16;
+    sBattleBuffersTransferData[5] = (status & 0xFF000000) >> 24;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 6);
+}
+
+// not used
+static void BtlController_EmitStatusXor(u8 bufferId, u8 b)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_STATUSXOR;
+    sBattleBuffersTransferData[1] = b;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 2);
+}
+
+void BtlController_EmitDataTransfer(u8 bufferId, u16 size, void *data)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_DATATRANSFER;
+    sBattleBuffersTransferData[1] = CONTROLLER_DATATRANSFER;
+    sBattleBuffersTransferData[2] = size;
+    sBattleBuffersTransferData[3] = (size & 0xFF00) >> 8;
+    for (i = 0; i < size; ++i)
+        sBattleBuffersTransferData[4 + i] = *(u8*)(data++);
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, size + 4);
+}
+
+// not used
+static void BtlController_EmitDMA3Transfer(u8 bufferId, void *dst, u16 size, void *data)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_DMA3TRANSFER;
+    sBattleBuffersTransferData[1] = (u32)(dst);
+    sBattleBuffersTransferData[2] = ((u32)(dst) & 0x0000FF00) >> 8;
+    sBattleBuffersTransferData[3] = ((u32)(dst) & 0x00FF0000) >> 16;
+    sBattleBuffersTransferData[4] = ((u32)(dst) & 0xFF000000) >> 24;
+    sBattleBuffersTransferData[5] = size;
+    sBattleBuffersTransferData[6] = (size & 0xFF00) >> 8;
+    for (i = 0; i < size; ++i)
+        sBattleBuffersTransferData[7 + i] = *(u8*)(data++);
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, size + 7);
+}
+
+// not used
+static void BtlController_EmitPlayBGM(u8 bufferId, u16 songId, void *unusedDumbDataParameter)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_31;
+    sBattleBuffersTransferData[1] = songId;
+    sBattleBuffersTransferData[2] = (songId & 0xFF00) >> 8;
+    for (i = 0; i < songId; ++i)
+        sBattleBuffersTransferData[3 + i] = *(u8*)(unusedDumbDataParameter++);
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, songId + 3);
+}
+
+// not used
+static void BtlController_EmitCmd32(u8 bufferId, u16 size, void *data)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_32;
+    sBattleBuffersTransferData[1] = size;
+    sBattleBuffersTransferData[2] = (size & 0xFF00) >> 8;
+    for (i = 0; i < size; ++i)
+        sBattleBuffersTransferData[3 + i] = *(u8*)(data++);
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, size + 3);
+}
+
+void BtlController_EmitTwoReturnValues(u8 bufferId, u8 arg1, u16 arg2)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_TWORETURNVALUES;
+    sBattleBuffersTransferData[1] = arg1;
+    sBattleBuffersTransferData[2] = arg2;
+    sBattleBuffersTransferData[3] = (arg2 & 0xFF00) >> 8;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitChosenMonReturnValue(u8 bufferId, u8 b, u8 *c)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_CHOSENMONRETURNVALUE;
+    sBattleBuffersTransferData[1] = b;
+    for (i = 0; i < 3; ++i)
+        sBattleBuffersTransferData[2 + i] = c[i];
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 5);
+}
+
+void BtlController_EmitOneReturnValue(u8 bufferId, u16 arg1)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_ONERETURNVALUE;
+    sBattleBuffersTransferData[1] = arg1;
+    sBattleBuffersTransferData[2] = (arg1 & 0xFF00) >> 8;
+    sBattleBuffersTransferData[3] = 0;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitOneReturnValue_Duplicate(u8 bufferId, u16 b)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_ONERETURNVALUE_DUPLICATE;
+    sBattleBuffersTransferData[1] = b;
+    sBattleBuffersTransferData[2] = (b & 0xFF00) >> 8;
+    sBattleBuffersTransferData[3] = 0;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+// not used
+static void BtlController_EmitCmd37(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_37;
+    sBattleBuffersTransferData[1] = CONTROLLER_37;
+    sBattleBuffersTransferData[2] = CONTROLLER_37;
+    sBattleBuffersTransferData[3] = CONTROLLER_37;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+// not used
+static void BtlController_EmitCmd38(u8 bufferId, u8 b)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_38;
+    sBattleBuffersTransferData[1] = b;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 2);
+}
+
+// not used
+static void BtlController_EmitCmd39(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_39;
+    sBattleBuffersTransferData[1] = CONTROLLER_39;
+    sBattleBuffersTransferData[2] = CONTROLLER_39;
+    sBattleBuffersTransferData[3] = CONTROLLER_39;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+// not used
+static void BtlController_EmitCmd40(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_40;
+    sBattleBuffersTransferData[1] = CONTROLLER_40;
+    sBattleBuffersTransferData[2] = CONTROLLER_40;
+    sBattleBuffersTransferData[3] = CONTROLLER_40;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitHitAnimation(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_HITANIMATION;
+    sBattleBuffersTransferData[1] = CONTROLLER_HITANIMATION;
+    sBattleBuffersTransferData[2] = CONTROLLER_HITANIMATION;
+    sBattleBuffersTransferData[3] = CONTROLLER_HITANIMATION;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitCmd42(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_42;
+    sBattleBuffersTransferData[1] = CONTROLLER_42;
+    sBattleBuffersTransferData[2] = CONTROLLER_42;
+    sBattleBuffersTransferData[3] = CONTROLLER_42;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitPlaySE(u8 bufferId, u16 songId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_EFFECTIVENESSSOUND;
+    sBattleBuffersTransferData[1] = songId;
+    sBattleBuffersTransferData[2] = (songId & 0xFF00) >> 8;
+    sBattleBuffersTransferData[3] = 0;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitPlayFanfare(u8 bufferId, u16 songId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_PLAYFANFAREORBGM;
+    sBattleBuffersTransferData[1] = songId;
+    sBattleBuffersTransferData[2] = (songId & 0xFF00) >> 8;
+    sBattleBuffersTransferData[3] = 0;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitFaintingCry(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_FAINTINGCRY;
+    sBattleBuffersTransferData[1] = CONTROLLER_FAINTINGCRY;
+    sBattleBuffersTransferData[2] = CONTROLLER_FAINTINGCRY;
+    sBattleBuffersTransferData[3] = CONTROLLER_FAINTINGCRY;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitIntroSlide(u8 bufferId, u8 terrainId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_INTROSLIDE;
+    sBattleBuffersTransferData[1] = terrainId;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 2);
+}
+
+void BtlController_EmitIntroTrainerBallThrow(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_INTROTRAINERBALLTHROW;
+    sBattleBuffersTransferData[1] = CONTROLLER_INTROTRAINERBALLTHROW;
+    sBattleBuffersTransferData[2] = CONTROLLER_INTROTRAINERBALLTHROW;
+    sBattleBuffersTransferData[3] = CONTROLLER_INTROTRAINERBALLTHROW;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitDrawPartyStatusSummary(u8 bufferId, struct HpAndStatus* hpAndStatus, u8 arg2)
+{
+    s32 i;
+
+    sBattleBuffersTransferData[0] = CONTROLLER_DRAWPARTYSTATUSSUMMARY;
+    sBattleBuffersTransferData[1] = arg2 & 0x7F;
+    sBattleBuffersTransferData[2] = (arg2 & 0x80) >> 7;
+    sBattleBuffersTransferData[3] = CONTROLLER_DRAWPARTYSTATUSSUMMARY;
+    for (i = 0; i < (s32)(sizeof(struct HpAndStatus) * PARTY_SIZE); ++i)
+        sBattleBuffersTransferData[4 + i] = *(i + (u8*)(hpAndStatus));
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, sizeof(struct HpAndStatus) * PARTY_SIZE + 4);
+}
+
+void BtlController_EmitHidePartyStatusSummary(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_HIDEPARTYSTATUSSUMMARY;
+    sBattleBuffersTransferData[1] = CONTROLLER_HIDEPARTYSTATUSSUMMARY;
+    sBattleBuffersTransferData[2] = CONTROLLER_HIDEPARTYSTATUSSUMMARY;
+    sBattleBuffersTransferData[3] = CONTROLLER_HIDEPARTYSTATUSSUMMARY;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitEndBounceEffect(u8 bufferId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_ENDBOUNCE;
+    sBattleBuffersTransferData[1] = CONTROLLER_ENDBOUNCE;
+    sBattleBuffersTransferData[2] = CONTROLLER_ENDBOUNCE;
+    sBattleBuffersTransferData[3] = CONTROLLER_ENDBOUNCE;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitSpriteInvisibility(u8 bufferId, bool8 isInvisible)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_SPRITEINVISIBILITY;
+    sBattleBuffersTransferData[1] = isInvisible;
+    sBattleBuffersTransferData[2] = CONTROLLER_SPRITEINVISIBILITY;
+    sBattleBuffersTransferData[3] = CONTROLLER_SPRITEINVISIBILITY;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitBattleAnimation(u8 bufferId, u8 animationId, u16 argument)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_BATTLEANIMATION;
+    sBattleBuffersTransferData[1] = animationId;
+    sBattleBuffersTransferData[2] = argument;
+    sBattleBuffersTransferData[3] = (argument & 0xFF00) >> 8;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
+}
+
+void BtlController_EmitLinkStandbyMsg(u8 bufferId, u8 arg1)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_LINKSTANDBYMSG;
+    sBattleBuffersTransferData[1] = arg1;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 2);
+}
+
+void BtlController_EmitResetActionMoveSelection(u8 bufferId, u8 caseId)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_RESETACTIONMOVESELECTION;
+    sBattleBuffersTransferData[1] = caseId;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 2);
+}
+
+void BtlController_EmitCmd55(u8 bufferId, u8 battleOutcome)
+{
+    sBattleBuffersTransferData[0] = CONTROLLER_55;
+    sBattleBuffersTransferData[1] = battleOutcome;
+    PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 2);
+}