rom3 decomp start

1 files changed, 928 insertions, 0 deletions

diff --git a/src/battle_controllers.c b/src/battle_controllers.c
new file mode 100644
index 000000000..cfa4aae71
--- /dev/null
+++ b/src/battle_controllers.c
@@ -0,0 +1,928 @@
+#include "global.h"
+#include "battle.h"
+#include "battle_controllers.h"
+#include "link.h"
+#include "task.h"
+#include "battle_ai_script_commands.h"
+#include "battle_anim.h"
+#include "pokemon.h"
+#include "species.h"
+#include "recorded_battle.h"
+#include "util.h"
+
+extern u32 gBattleTypeFlags;
+extern u32 gBattleExecBuffer;
+extern void (*gBattleMainFunc)(void);
+extern void (*gBattleBankFunc[BATTLE_BANKS_COUNT])(void);
+extern u8 gBanksByIdentity[BATTLE_BANKS_COUNT];
+extern u8 gActionSelectionCursor[BATTLE_BANKS_COUNT];
+extern u8 gMoveSelectionCursor[BATTLE_BANKS_COUNT];
+extern u8 gNoOfAllBanks;
+extern u8 gActiveBank;
+extern u8 gUnknown_0202428C;
+extern u32 gUnknown_02022FF4;
+extern u8 gUnknown_0203C7B4;
+extern u16 gBattlePartyID[BATTLE_BANKS_COUNT];
+extern u8 gBattleBufferA[BATTLE_BANKS_COUNT][0x200];
+extern u8 gBattleBufferB[BATTLE_BANKS_COUNT][0x200];
+extern u8 gUnknown_02022D08;
+extern u8 gUnknown_02022D09;
+extern u8 gUnknown_02022D0A;
+extern u8 gBankAttacker;
+extern u8 gBankTarget;
+extern u8 gAbsentBankFlags;
+extern u8 gEffectBank;
+
+extern void task00_08081A90(u8 taskId); // cable_club
+extern void sub_81B8D64(u8 bank, u8 arg1); // party_menu
+
+// this file's funcionts
+static void sub_8033244(void);
+static void SetControllersVariablesInLinkBattle(void);
+static void SetControllersVariables(void);
+static void sub_8033050(void);
+void PrepareBufferDataTransferLink(u8 bufferId, u16 size, u8 *data);
+static void Task_HandleSendLinkBuffersData(u8 taskId);
+static void Task_HandleCopyReceivedLinkBuffersData(u8 taskId);
+
+void HandleLinkBattleSetup(void)
+{
+    if (gBattleTypeFlags & BATTLE_TYPE_LINK)
+    {
+        if (gLinkVSyncDisabled)
+            sub_800B488();
+        if (!gReceivedRemoteLinkPlayers)
+            sub_8009734();
+        CreateTask(task00_08081A90, 0);
+        sub_8033244();
+    }
+}
+
+void SetUpBattleVarsAndBirchZigzagoon(void)
+{
+    s32 i;
+
+    gBattleMainFunc = nullsub_20;
+
+    for (i = 0; i < BATTLE_BANKS_COUNT; i++)
+    {
+        gBattleBankFunc[i] = nullsub_21;
+        gBanksByIdentity[i] = 0xFF;
+        gActionSelectionCursor[i] = 0;
+        gMoveSelectionCursor[i] = 0;
+    }
+
+    HandleLinkBattleSetup();
+    gBattleExecBuffer = 0;
+    ClearBattleAnimationVars();
+    ClearBattleMonForms();
+    BattleAI_HandleItemUseBeforeAISetup(0xF);
+
+    if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
+    {
+        ZeroEnemyPartyMons();
+        CreateMon(&gEnemyParty[0], SPECIES_ZIGZAGOON, 2, 32, 0, 0, 0, 0);
+        i = 0;
+        SetMonData(&gEnemyParty[0], MON_DATA_HELD_ITEM, &i);
+    }
+
+    gUnknown_02022FF4 = 0;
+    gUnknown_0202428C = 0;
+}
+
+void sub_8032768(void)
+{
+    s32 i;
+    u8 *data;
+
+    if (!(gBattleTypeFlags & BATTLE_TYPE_RECORDED))
+        sub_8184DA4(1);
+    else
+        sub_8184DA4(2);
+
+    if (!(gBattleTypeFlags & BATTLE_TYPE_RECORDED))
+        sub_8185EB8();
+
+    if (gBattleTypeFlags & BATTLE_TYPE_LINK)
+        SetControllersVariablesInLinkBattle();
+    else
+        SetControllersVariables();
+
+    sub_8033050();
+
+    if (!(gBattleTypeFlags & BATTLE_TYPE_MULTI))
+    {
+        for (i = 0; i < gNoOfAllBanks; i++)
+            sub_81B8D64(i, 0);
+    }
+
+    for (i = 0; i < sizeof(gBattleStruct->field_1A4); i++)
+        *(gBattleStruct->field_1A4 + i) = 0;
+
+    for (i = 0; i < sizeof(gBattleStruct->field_204); i++)
+        *(gBattleStruct->field_204 + i) = 0;
+}
+
+static void SetControllersVariables(void)
+{
+    s32 i;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_INGAME_PARTNER)
+    {
+        gBattleMainFunc = BeginBattleIntro;
+
+        if (gBattleTypeFlags & BATTLE_TYPE_RECORDED)
+        {
+            gBattleBankFunc[0] = SetBankFuncToRecordedPlayerBufferRunCommand;
+            gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+            gBattleBankFunc[1] = SetBankFuncToOpponentBufferRunCommand;
+            gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+            gBattleBankFunc[2] = SetBankFuncToPlayerPartnerBufferRunCommand;
+            gBanksByIdentity[2] = IDENTITY_PLAYER_MON2;
+
+            gBattleBankFunc[3] = SetBankFuncToOpponentBufferRunCommand;
+            gBanksByIdentity[3] = IDENTITY_OPPONENT_MON2;
+        }
+        else
+        {
+            gBattleBankFunc[0] = SetBankFuncToPlayerBufferRunCommand;
+            gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+            gBattleBankFunc[1] = SetBankFuncToOpponentBufferRunCommand;
+            gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+            gBattleBankFunc[2] = SetBankFuncToPlayerPartnerBufferRunCommand;
+            gBanksByIdentity[2] = IDENTITY_PLAYER_MON2;
+
+            gBattleBankFunc[3] = SetBankFuncToOpponentBufferRunCommand;
+            gBanksByIdentity[3] = IDENTITY_OPPONENT_MON2;
+        }
+
+        gNoOfAllBanks = 4;
+
+        sub_81B8D64(0, 0);
+        sub_81B8D64(1, 0);
+        sub_81B8D64(2, 1);
+        sub_81B8D64(3, 1);
+
+        gBattlePartyID[0] = 0;
+        gBattlePartyID[1] = 0;
+        gBattlePartyID[2] = 3;
+        gBattlePartyID[3] = 3;
+    }
+    else if (!(gBattleTypeFlags & BATTLE_TYPE_DOUBLE))
+    {
+        gBattleMainFunc = BeginBattleIntro;
+
+        if (gBattleTypeFlags & BATTLE_TYPE_SAFARI)
+            gBattleBankFunc[0] = SetBankFuncToSafariBufferRunCommand;
+        else if (gBattleTypeFlags & BATTLE_TYPE_WALLY_TUTORIAL)
+            gBattleBankFunc[0] = SetBankFuncToWallyBufferRunCommand;
+        else
+            gBattleBankFunc[0] = SetBankFuncToPlayerBufferRunCommand;
+
+        gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+        gBattleBankFunc[1] = SetBankFuncToOpponentBufferRunCommand;
+        gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+        gNoOfAllBanks = 2;
+
+        if (gBattleTypeFlags & BATTLE_TYPE_RECORDED)
+        {
+            if (gBattleTypeFlags & BATTLE_TYPE_x2000000)
+            {
+                if (gBattleTypeFlags & BATTLE_TYPE_x80000000)
+                {
+                    gBattleMainFunc = BeginBattleIntro;
+
+                    gBattleBankFunc[0] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                    gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+                    gBattleBankFunc[1] = SetBankFuncToRecordedOpponentBufferRunCommand;
+                    gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+                    gNoOfAllBanks = 2;
+                }
+                else // see how the banks are switched
+                {
+                    gBattleBankFunc[1] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                    gBanksByIdentity[1] = IDENTITY_PLAYER_MON1;
+
+                    gBattleBankFunc[0] = SetBankFuncToRecordedOpponentBufferRunCommand;
+                    gBanksByIdentity[0] = IDENTITY_OPPONENT_MON1;
+
+                    gNoOfAllBanks = 2;
+                }
+            }
+            else
+            {
+                gBattleBankFunc[0] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+                gBattleBankFunc[1] = SetBankFuncToOpponentBufferRunCommand;
+                gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+            }
+        }
+    }
+    else
+    {
+        gBattleMainFunc = BeginBattleIntro;
+
+        gBattleBankFunc[0] = SetBankFuncToPlayerBufferRunCommand;
+        gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+        gBattleBankFunc[1] = SetBankFuncToOpponentBufferRunCommand;
+        gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+        gBattleBankFunc[2] = SetBankFuncToPlayerBufferRunCommand;
+        gBanksByIdentity[2] = IDENTITY_PLAYER_MON2;
+
+        gBattleBankFunc[3] = SetBankFuncToOpponentBufferRunCommand;
+        gBanksByIdentity[3] = IDENTITY_OPPONENT_MON2;
+
+        gNoOfAllBanks = 4;
+
+        if (gBattleTypeFlags & BATTLE_TYPE_RECORDED)
+        {
+            if (gBattleTypeFlags & BATTLE_TYPE_MULTI && gBattleTypeFlags & BATTLE_TYPE_BATTLE_TOWER)
+            {
+                gBattleMainFunc = BeginBattleIntro;
+
+                gBattleBankFunc[0] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                gBanksByIdentity[0] = 0;
+
+                gBattleBankFunc[1] = SetBankFuncToOpponentBufferRunCommand;
+                gBanksByIdentity[1] = 1;
+
+                gBattleBankFunc[2] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                gBanksByIdentity[2] = 2;
+
+                gBattleBankFunc[3] = SetBankFuncToOpponentBufferRunCommand;
+                gBanksByIdentity[3] = 3;
+
+                gNoOfAllBanks = 4;
+
+                sub_81B8D64(0, 0);
+                sub_81B8D64(1, 0);
+                sub_81B8D64(2, 1);
+                sub_81B8D64(3, 1);
+
+                gBattlePartyID[0] = 0;
+                gBattlePartyID[1] = 0;
+                gBattlePartyID[2] = 3;
+                gBattlePartyID[3] = 3;
+            }
+            else if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
+            {
+                u8 var; // multiplayer Id in a recorded battle?
+
+                for (var = gUnknown_0203C7B4, i = 0; i < BATTLE_BANKS_COUNT; i++)
+                {
+                    switch (gLinkPlayers[i].lp_field_18)
+                    {
+                    case 0:
+                    case 3:
+                        sub_81B8D64(gLinkPlayers[i].lp_field_18, 0);
+                        break;
+                    case 1:
+                    case 2:
+                        sub_81B8D64(gLinkPlayers[i].lp_field_18, 1);
+                        break;
+                    }
+
+                    if (i == var)
+                    {
+                        gBattleBankFunc[gLinkPlayers[i].lp_field_18] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                        switch (gLinkPlayers[i].lp_field_18)
+                        {
+                        case 0:
+                        case 3:
+                            gBanksByIdentity[gLinkPlayers[i].lp_field_18] = IDENTITY_PLAYER_MON1;
+                            gBattlePartyID[gLinkPlayers[i].lp_field_18] = 0;
+                            break;
+                        case 1:
+                        case 2:
+                            gBanksByIdentity[gLinkPlayers[i].lp_field_18] = IDENTITY_PLAYER_MON2;
+                            gBattlePartyID[gLinkPlayers[i].lp_field_18] = 3;
+                            break;
+                        }
+                    }
+                    else if ((!(gLinkPlayers[i].lp_field_18 & 1) && !(gLinkPlayers[var].lp_field_18 & 1))
+                            || ((gLinkPlayers[i].lp_field_18 & 1) && (gLinkPlayers[var].lp_field_18 & 1)))
+                    {
+                        gBattleBankFunc[gLinkPlayers[i].lp_field_18] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                        switch (gLinkPlayers[i].lp_field_18)
+                        {
+                        case 0:
+                        case 3:
+                            gBanksByIdentity[gLinkPlayers[i].lp_field_18] = IDENTITY_PLAYER_MON1;
+                            gBattlePartyID[gLinkPlayers[i].lp_field_18] = 0;
+                            break;
+                        case 1:
+                        case 2:
+                            gBanksByIdentity[gLinkPlayers[i].lp_field_18] = IDENTITY_PLAYER_MON2;
+                            gBattlePartyID[gLinkPlayers[i].lp_field_18] = 3;
+                            break;
+                        }
+                    }
+                    else
+                    {
+                        gBattleBankFunc[gLinkPlayers[i].lp_field_18] = SetBankFuncToRecordedOpponentBufferRunCommand;
+                        switch (gLinkPlayers[i].lp_field_18)
+                        {
+                        case 0:
+                        case 3:
+                            gBanksByIdentity[gLinkPlayers[i].lp_field_18] = IDENTITY_OPPONENT_MON1;
+                            gBattlePartyID[gLinkPlayers[i].lp_field_18] = 0;
+                            break;
+                        case 1:
+                        case 2:
+                            gBanksByIdentity[gLinkPlayers[i].lp_field_18] = IDENTITY_OPPONENT_MON2;
+                            gBattlePartyID[gLinkPlayers[i].lp_field_18] = 3;
+                            break;
+                        }
+                    }
+                }
+            }
+            else if (gBattleTypeFlags & BATTLE_TYPE_WILD)
+            {
+                gBattleBankFunc[0] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+                gBattleBankFunc[2] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                gBanksByIdentity[2] = IDENTITY_PLAYER_MON2;
+
+                if (gBattleTypeFlags & BATTLE_TYPE_x2000000)
+                {
+                  gBattleBankFunc[1] = SetBankFuncToRecordedOpponentBufferRunCommand;
+                  gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+                  gBattleBankFunc[3] = SetBankFuncToRecordedOpponentBufferRunCommand;
+                  gBanksByIdentity[3] = IDENTITY_OPPONENT_MON2;
+                }
+                else
+                {
+                  gBattleBankFunc[1] = SetBankFuncToOpponentBufferRunCommand;
+                  gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+                  gBattleBankFunc[3] = SetBankFuncToOpponentBufferRunCommand;
+                  gBanksByIdentity[3] = IDENTITY_OPPONENT_MON2;
+                }
+            }
+            else
+            {
+                gBattleBankFunc[1] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                gBanksByIdentity[1] = IDENTITY_PLAYER_MON1;
+
+                gBattleBankFunc[3] = SetBankFuncToRecordedPlayerBufferRunCommand;
+                gBanksByIdentity[3] = IDENTITY_PLAYER_MON2;
+
+                if (gBattleTypeFlags & BATTLE_TYPE_x2000000)
+                {
+                    gBattleBankFunc[0] = SetBankFuncToRecordedOpponentBufferRunCommand;
+                    gBanksByIdentity[0] = IDENTITY_OPPONENT_MON1;
+
+                    gBattleBankFunc[2] = SetBankFuncToRecordedOpponentBufferRunCommand;
+                    gBanksByIdentity[2] = IDENTITY_OPPONENT_MON2;
+                }
+                else
+                {
+                    gBattleBankFunc[0] = SetBankFuncToOpponentBufferRunCommand;
+                    gBanksByIdentity[0] = IDENTITY_OPPONENT_MON1;
+
+                    gBattleBankFunc[2] = SetBankFuncToOpponentBufferRunCommand;
+                    gBanksByIdentity[2] = IDENTITY_OPPONENT_MON2;
+                }
+            }
+        }
+    }
+}
+
+static void SetControllersVariablesInLinkBattle(void)
+{
+    s32 i;
+    u8 multiplayerId;
+
+    if (!(gBattleTypeFlags & BATTLE_TYPE_DOUBLE))
+    {
+        if (gBattleTypeFlags & BATTLE_TYPE_WILD)
+        {
+            gBattleMainFunc = BeginBattleIntro;
+
+            gBattleBankFunc[0] = SetBankFuncToPlayerBufferRunCommand;
+            gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+            gBattleBankFunc[1] = SetBankFuncToLinkOpponentBufferRunCommand;
+            gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+            gNoOfAllBanks = 2;
+        }
+        else
+        {
+            gBattleBankFunc[1] = SetBankFuncToPlayerBufferRunCommand;
+            gBanksByIdentity[1] = IDENTITY_PLAYER_MON1;
+
+            gBattleBankFunc[0] = SetBankFuncToLinkOpponentBufferRunCommand;
+            gBanksByIdentity[0] = IDENTITY_OPPONENT_MON1;
+
+            gNoOfAllBanks = 2;
+        }
+    }
+    else if (!(gBattleTypeFlags & BATTLE_TYPE_MULTI) && gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
+    {
+        if (gBattleTypeFlags & BATTLE_TYPE_WILD)
+        {
+            gBattleMainFunc = BeginBattleIntro;
+
+            gBattleBankFunc[0] = SetBankFuncToPlayerBufferRunCommand;
+            gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+            gBattleBankFunc[1] = SetBankFuncToLinkOpponentBufferRunCommand;
+            gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+            gBattleBankFunc[2] = SetBankFuncToPlayerBufferRunCommand;
+            gBanksByIdentity[2] = IDENTITY_PLAYER_MON2;
+
+            gBattleBankFunc[3] = SetBankFuncToLinkOpponentBufferRunCommand;
+            gBanksByIdentity[3] = IDENTITY_OPPONENT_MON2;
+
+            gNoOfAllBanks = 4;
+        }
+        else
+        {
+            gBattleBankFunc[1] = SetBankFuncToPlayerBufferRunCommand;
+            gBanksByIdentity[1] = IDENTITY_PLAYER_MON1;
+
+            gBattleBankFunc[0] = SetBankFuncToLinkOpponentBufferRunCommand;
+            gBanksByIdentity[0] = IDENTITY_OPPONENT_MON1;
+
+            gBattleBankFunc[3] = SetBankFuncToPlayerBufferRunCommand;
+            gBanksByIdentity[3] = IDENTITY_PLAYER_MON2;
+
+            gBattleBankFunc[2] = SetBankFuncToLinkOpponentBufferRunCommand;
+            gBanksByIdentity[2] = IDENTITY_OPPONENT_MON2;
+
+            gNoOfAllBanks = 4;
+        }
+    }
+    else if (gBattleTypeFlags & BATTLE_TYPE_BATTLE_TOWER)
+    {
+        if (gBattleTypeFlags & BATTLE_TYPE_WILD)
+        {
+            gBattleMainFunc = BeginBattleIntro;
+
+            gBattleBankFunc[0] = SetBankFuncToPlayerBufferRunCommand;
+            gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+            gBattleBankFunc[1] = SetBankFuncToOpponentBufferRunCommand;
+            gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+            gBattleBankFunc[2] = SetBankFuncToLinkPartnerBufferRunCommand;
+            gBanksByIdentity[2] = IDENTITY_PLAYER_MON2;
+
+            gBattleBankFunc[3] = SetBankFuncToOpponentBufferRunCommand;
+            gBanksByIdentity[3] = IDENTITY_OPPONENT_MON2;
+
+            gNoOfAllBanks = 4;
+        }
+        else
+        {
+            gBattleBankFunc[0] = SetBankFuncToLinkPartnerBufferRunCommand;
+            gBanksByIdentity[0] = IDENTITY_PLAYER_MON1;
+
+            gBattleBankFunc[1] = SetBankFuncToLinkOpponentBufferRunCommand;
+            gBanksByIdentity[1] = IDENTITY_OPPONENT_MON1;
+
+            gBattleBankFunc[2] = SetBankFuncToPlayerBufferRunCommand;
+            gBanksByIdentity[2] = IDENTITY_PLAYER_MON2;
+
+            gBattleBankFunc[3] = SetBankFuncToLinkOpponentBufferRunCommand;
+            gBanksByIdentity[3] = IDENTITY_OPPONENT_MON2;
+
+            gNoOfAllBanks = 4;
+        }
+
+        sub_81B8D64(0, 0);
+        sub_81B8D64(1, 0);
+        sub_81B8D64(2, 1);
+        sub_81B8D64(3, 1);
+        gBattlePartyID[0] = 0;
+        gBattlePartyID[1] = 0;
+        gBattlePartyID[2] = 3;
+        gBattlePartyID[3] = 3;
+    }
+    else
+    {
+        multiplayerId = GetMultiplayerId();
+
+        if (gBattleTypeFlags & BATTLE_TYPE_WILD)
+            gBattleMainFunc = BeginBattleIntro;
+
+        for (i = 0; i < BATTLE_BANKS_COUNT; i++)
+        {
+            switch (gLinkPlayers[i].lp_field_18)
+            {
+            case 0:
+            case 3:
+                sub_81B8D64(gLinkPlayers[i].lp_field_18, 0);
+                break;
+            case 1:
+            case 2:
+                sub_81B8D64(gLinkPlayers[i].lp_field_18, 1);
+                break;
+            }
+
+            if (i == multiplayerId)
+            {
+                gBattleBankFunc[gLinkPlayers[i].lp_field_18] = SetBankFuncToPlayerBufferRunCommand;
+                switch (gLinkPlayers[i].lp_field_18)
+                {
+                case 0:
+                case 3:
+                    gBanksByIdentity[gLinkPlayers[i].lp_field_18] = 0;
+                    gBattlePartyID[gLinkPlayers[i].lp_field_18] = 0;
+                    break;
+                case 1:
+                case 2:
+                    gBanksByIdentity[gLinkPlayers[i].lp_field_18] = 2;
+                    gBattlePartyID[gLinkPlayers[i].lp_field_18] = 3;
+                    break;
+                }
+            }
+            else
+            {
+                if ((!(gLinkPlayers[i].lp_field_18 & 1) && !(gLinkPlayers[multiplayerId].lp_field_18 & 1))
+                 || ((gLinkPlayers[i].lp_field_18 & 1) && (gLinkPlayers[multiplayerId].lp_field_18 & 1)))
+                {
+                    gBattleBankFunc[gLinkPlayers[i].lp_field_18] = SetBankFuncToLinkPartnerBufferRunCommand;
+                    switch (gLinkPlayers[i].lp_field_18)
+                    {
+                    case 0:
+                    case 3:
+                        gBanksByIdentity[gLinkPlayers[i].lp_field_18] = 0;
+                        gBattlePartyID[gLinkPlayers[i].lp_field_18] = 0;
+                        break;
+                    case 1:
+                    case 2:
+                        gBanksByIdentity[gLinkPlayers[i].lp_field_18] = 2;
+                        gBattlePartyID[gLinkPlayers[i].lp_field_18] = 3;
+                        break;
+                    }
+                }
+                else
+                {
+                    gBattleBankFunc[gLinkPlayers[i].lp_field_18] = SetBankFuncToLinkOpponentBufferRunCommand;
+                    switch (gLinkPlayers[i].lp_field_18)
+                    {
+                    case 0:
+                    case 3:
+                        gBanksByIdentity[gLinkPlayers[i].lp_field_18] = 1;
+                        gBattlePartyID[gLinkPlayers[i].lp_field_18] = 0;
+                        break;
+                    case 1:
+                    case 2:
+                        gBanksByIdentity[gLinkPlayers[i].lp_field_18] = 3;
+                        gBattlePartyID[gLinkPlayers[i].lp_field_18] = 3;
+                        break;
+                    }
+                }
+            }
+        }
+
+        gNoOfAllBanks = 4;
+    }
+}
+
+static void sub_8033050(void)
+{
+    s32 i, j;
+
+    if (!(gBattleTypeFlags & BATTLE_TYPE_MULTI))
+    {
+        for (i = 0; i < gNoOfAllBanks; i++)
+        {
+            for (j = 0; j < 6; j++)
+            {
+                if (i < 2)
+                {
+                    if (GET_BANK_SIDE2(i) == 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) == 0)
+                        {
+                            gBattlePartyID[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) == 0)
+                        {
+                            gBattlePartyID[i] = j;
+                            break;
+                        }
+                    }
+                }
+                else
+                {
+                    if (GET_BANK_SIDE2(i) == 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) == 0
+                         && gBattlePartyID[i - 2] != j)
+                        {
+                            gBattlePartyID[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) == 0
+                         && gBattlePartyID[i - 2] != j)
+                        {
+                            gBattlePartyID[i] = j;
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+
+        if (gBattleTypeFlags & BATTLE_TYPE_TWO_OPPONENTS)
+            gBattlePartyID[1] = 0, gBattlePartyID[3] = 3;
+    }
+}
+
+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; i++)
+            {
+                gBattleBufferA[gActiveBank][i] = *data;
+                data++;
+            }
+            break;
+        case 1:
+            for (i = 0; i < size; i++)
+            {
+                gBattleBufferB[gActiveBank][i] = *data;
+                data++;
+            }
+            break;
+        }
+    }
+}
+
+static void sub_8033244(void)
+{
+    gUnknown_02022D08 = CreateTask(Task_HandleSendLinkBuffersData, 0);
+    gTasks[gUnknown_02022D08].data[11] = 0;
+    gTasks[gUnknown_02022D08].data[12] = 0;
+    gTasks[gUnknown_02022D08].data[13] = 0;
+    gTasks[gUnknown_02022D08].data[14] = 0;
+    gTasks[gUnknown_02022D08].data[15] = 0;
+
+    gUnknown_02022D09 = CreateTask(Task_HandleCopyReceivedLinkBuffersData, 0);
+    gTasks[gUnknown_02022D09].data[12] = 0;
+    gTasks[gUnknown_02022D09].data[13] = 0;
+    gTasks[gUnknown_02022D09].data[14] = 0;
+    gTasks[gUnknown_02022D09].data[15] = 0;
+
+    gUnknown_02022D0A = 0;
+}
+
+enum
+{
+    LINK_BUFF_BUFFER_ID,
+    LINK_BUFF_ACTIVE_BANK,
+    LINK_BUFF_ATTACKER,
+    LINK_BUFF_TARGET,
+    LINK_BUFF_SIZE_LO,
+    LINK_BUFF_SIZE_HI,
+    LINK_BUFF_ABSENT_BANK_FLAGS,
+    LINK_BUFF_EFFECT_BANK,
+    LINK_BUFF_DATA
+};
+
+void PrepareBufferDataTransferLink(u8 bufferId, u16 size, u8 *data)
+{
+    s32 alignedSize;
+    s32 i;
+
+    alignedSize = size - size % 4 + 4;
+    if (gTasks[gUnknown_02022D08].data[14] + alignedSize + LINK_BUFF_DATA + 1 > BATTLE_BUFFER_LINK_SIZE)
+    {
+        gTasks[gUnknown_02022D08].data[12] = gTasks[gUnknown_02022D08].data[14];
+        gTasks[gUnknown_02022D08].data[14] = 0;
+    }
+    gLinkBattleSendBuffer[gTasks[gUnknown_02022D08].data[14] + LINK_BUFF_BUFFER_ID] = bufferId;
+    gLinkBattleSendBuffer[gTasks[gUnknown_02022D08].data[14] + LINK_BUFF_ACTIVE_BANK] = gActiveBank;
+    gLinkBattleSendBuffer[gTasks[gUnknown_02022D08].data[14] + LINK_BUFF_ATTACKER] = gBankAttacker;
+    gLinkBattleSendBuffer[gTasks[gUnknown_02022D08].data[14] + LINK_BUFF_TARGET] = gBankTarget;
+    gLinkBattleSendBuffer[gTasks[gUnknown_02022D08].data[14] + LINK_BUFF_SIZE_LO] = alignedSize;
+    gLinkBattleSendBuffer[gTasks[gUnknown_02022D08].data[14] + LINK_BUFF_SIZE_HI] = (alignedSize & 0x0000FF00) >> 8;
+    gLinkBattleSendBuffer[gTasks[gUnknown_02022D08].data[14] + LINK_BUFF_ABSENT_BANK_FLAGS] = gAbsentBankFlags;
+    gLinkBattleSendBuffer[gTasks[gUnknown_02022D08].data[14] + LINK_BUFF_EFFECT_BANK] = gEffectBank;
+
+    for (i = 0; i < size; i++)
+        gLinkBattleSendBuffer[gTasks[gUnknown_02022D08].data[14] + LINK_BUFF_DATA + i] = data[i];
+
+    gTasks[gUnknown_02022D08].data[14] = gTasks[gUnknown_02022D08].data[14] + alignedSize + LINK_BUFF_DATA;
+}
+
+static void Task_HandleSendLinkBuffersData(u8 taskId)
+{
+    u16 var;
+    u16 blockSize;
+
+    switch (gTasks[taskId].data[11])
+    {
+    case 0:
+        gTasks[taskId].data[10] = 100;
+        gTasks[taskId].data[11]++;
+        break;
+    case 1:
+        gTasks[taskId].data[10]--;
+        if (gTasks[taskId].data[10] == 0)
+            gTasks[taskId].data[11]++;
+        break;
+    case 2:
+        if (gLinkVSyncDisabled)
+        {
+            gTasks[taskId].data[11]++;
+        }
+        else
+        {
+            if (gBattleTypeFlags & BATTLE_TYPE_BATTLE_TOWER)
+                var = 2;
+            else
+                var = (gBattleTypeFlags & BATTLE_TYPE_MULTI) ? 4 : 2;
+
+            if (sub_800ABAC() >= var)
+            {
+                if (sub_800ABBC())
+                {
+                    sub_800A620();
+                    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] == 0)
+            {
+                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 (sub_800A520())
+        {
+            blockSize = gLinkBattleSendBuffer[gTasks[taskId].data[15] + LINK_BUFF_SIZE_LO] | (gLinkBattleSendBuffer[gTasks[taskId].data[15] + LINK_BUFF_SIZE_HI] << 8);
+            gTasks[taskId].data[13] = 1;
+            gTasks[taskId].data[15] = gTasks[taskId].data[15] + blockSize + LINK_BUFF_DATA;
+            gTasks[taskId].data[11] = 3;
+        }
+        break;
+    case 5:
+        gTasks[taskId].data[13]--;
+        if (gTasks[taskId].data[13] == 0)
+        {
+            gTasks[taskId].data[13] = 1;
+            gTasks[taskId].data[11] = 3;
+        }
+        break;
+    }
+}
+
+// fix me
+void sub_8033648(void)
+{
+    u8 i;
+    s32 j;
+    u16 r6;
+    u8 *recvBuffer;
+    u8 *dest;
+    u8 *src;
+
+    if (gReceivedRemoteLinkPlayers != 0 && (gBattleTypeFlags & BATTLE_TYPE_20))
+    {
+        sub_8011BD0();
+        for (i = 0; i < GetLinkPlayerCount(); i++)
+        {
+            if (GetBlockReceivedStatus() & gBitTable[i])
+            {
+                ResetBlockReceivedFlag(i);
+                recvBuffer = (u8 *)gBlockRecvBuffer[i];
+                #ifndef NONMATCHING
+                    asm("");
+                    recvBuffer = (u8 *)&gBlockRecvBuffer[i];
+                #endif
+                r6 = gBlockRecvBuffer[i][2];
+
+                if (gTasks[gUnknown_02022D09].data[14] + 9 + r6 > 0x1000)
+                {
+                    gTasks[gUnknown_02022D09].data[12] = gTasks[gUnknown_02022D09].data[14];
+                    gTasks[gUnknown_02022D09].data[14] = 0;
+                }
+
+                dest = &gLinkBattleRecvBuffer[gTasks[gUnknown_02022D09].data[14]];
+                src = recvBuffer;
+
+                for (j = 0; j < r6 + 8; j++)
+                    dest[j] = src[j];
+
+                gTasks[gUnknown_02022D09].data[14] = gTasks[gUnknown_02022D09].data[14] + r6 + 8;
+            }
+        }
+    }
+}
+
+static void Task_HandleCopyReceivedLinkBuffersData(u8 taskId)
+{
+    u16 blockSize;
+    u8 bank;
+    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;
+        }
+        bank = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_ACTIVE_BANK];
+        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 (gBattleExecBuffer & gBitTable[bank])
+                return;
+
+            memcpy(gBattleBufferA[bank], &gLinkBattleRecvBuffer[gTasks[taskId].data[15] + 8], blockSize);
+            sub_803F850(bank);
+
+            if (!(gBattleTypeFlags & BATTLE_TYPE_WILD))
+            {
+                gBankAttacker = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + 2];
+                gBankTarget = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + 3];
+                gAbsentBankFlags = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + 6];
+                gEffectBank = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + 7];
+            }
+            break;
+        case 1:
+            memcpy(gBattleBufferB[bank], &gLinkBattleRecvBuffer[gTasks[taskId].data[15] + 8], blockSize);
+            break;
+        case 2:
+            var = gLinkBattleRecvBuffer[gTasks[taskId].data[15] + LINK_BUFF_DATA];
+            gBattleExecBuffer &= ~(gBitTable[bank] << (var * 4));
+            break;
+        }
+
+        gTasks[taskId].data[15] = gTasks[taskId].data[15] + blockSize + LINK_BUFF_DATA;
+    }
+}