mirror of https://github.com/pret/pokeemerald.git
349 lines
11 KiB
C
349 lines
11 KiB
C
#ifndef GUARD_LINK_H
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#define GUARD_LINK_H
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#define MAX_LINK_PLAYERS 4
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#define MAX_RFU_PLAYERS 5
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#define CMD_LENGTH 8
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#define QUEUE_CAPACITY 50
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#define OVERWORLD_RECV_QUEUE_MAX 3
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#define BLOCK_BUFFER_SIZE 0x100
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#define LINK_SLAVE 0
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#define LINK_MASTER 8
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#define LINK_STAT_LOCAL_ID 0x00000003
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#define LINK_STAT_PLAYER_COUNT 0x0000001C
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#define LINK_STAT_PLAYER_COUNT_SHIFT 2
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#define LINK_STAT_MASTER 0x00000020
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#define LINK_STAT_MASTER_SHIFT 5
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#define LINK_STAT_CONN_ESTABLISHED 0x00000040
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#define LINK_STAT_CONN_ESTABLISHED_SHIFT 6
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#define LINK_STAT_RECEIVED_NOTHING 0x00000100
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#define LINK_STAT_RECEIVED_NOTHING_SHIFT 8
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#define LINK_STAT_UNK_FLAG_9 0x00000200
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#define LINK_STAT_UNK_FLAG_9_SHIFT 9
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#define LINK_STAT_ERRORS 0x0007F000
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#define LINK_STAT_ERRORS_SHIFT 12
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#define LINK_STAT_ERROR_HARDWARE 0x00001000
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#define LINK_STAT_ERROR_HARDWARE_SHIFT 12
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#define LINK_STAT_ERROR_CHECKSUM 0x00002000
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#define LINK_STAT_ERROR_CHECKSUM_SHIFT 13
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#define LINK_STAT_ERROR_QUEUE_FULL 0x00004000
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#define LINK_STAT_ERROR_QUEUE_FULL_SHIFT 14
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#define LINK_STAT_ERROR_LAG_MASTER 0x00010000
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#define LINK_STAT_ERROR_LAG_MASTER_SHIFT 16
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#define LINK_STAT_ERROR_INVALID_ID 0x00020000
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#define LINK_STAT_ERROR_INVALID_ID_SHIFT 17
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#define LINK_STAT_ERROR_LAG_SLAVE 0x00040000
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#define LINK_STAT_ERROR_LAG_SLAVE_SHIFT 18
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#define EXTRACT_PLAYER_COUNT(status) \
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(((status) & LINK_STAT_PLAYER_COUNT) >> LINK_STAT_PLAYER_COUNT_SHIFT)
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#define EXTRACT_MASTER(status) \
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(((status) >> LINK_STAT_MASTER_SHIFT) & 1)
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#define EXTRACT_CONN_ESTABLISHED(status) \
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(((status) >> LINK_STAT_CONN_ESTABLISHED_SHIFT) & 1)
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#define EXTRACT_RECEIVED_NOTHING(status) \
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(((status) >> LINK_STAT_RECEIVED_NOTHING_SHIFT) & 1)
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#define EXTRACT_LINK_ERRORS(status) \
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(((status) & LINK_STAT_ERRORS) >> LINK_STAT_ERRORS_SHIFT)
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#define LINKCMD_BLENDER_STOP 0x1111
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#define LINKCMD_SEND_LINK_TYPE 0x2222
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#define LINKCMD_BLENDER_SCORE_MISS 0x2345
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#define LINKCMD_READY_EXIT_STANDBY 0x2FFE
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#define LINKCMD_SEND_PACKET 0x2FFF
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#define LINKCMD_BLENDER_SEND_KEYS 0x4444
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#define LINKCMD_BLENDER_SCORE_BEST 0x4523
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#define LINKCMD_BLENDER_SCORE_GOOD 0x5432
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#define LINKCMD_DUMMY_1 0x5555
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#define LINKCMD_DUMMY_2 0x5566
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#define LINKCMD_READY_CLOSE_LINK 0x5FFF
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#define LINKCMD_SEND_EMPTY 0x6666
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#define LINKCMD_SEND_0xEE 0x7777
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#define LINKCMD_BLENDER_PLAY_AGAIN 0x7779
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#define LINKCMD_COUNTDOWN 0x7FFF
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#define LINKCMD_CONT_BLOCK 0x8888
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#define LINKCMD_BLENDER_NO_BERRIES 0x9999
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#define LINKCMD_BLENDER_NO_PBLOCK_SPACE 0xAAAA
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#define LINKCMD_SEND_ITEM 0xAAAB
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#define LINKCMD_READY_TO_TRADE 0xAABB
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#define LINKCMD_READY_FINISH_TRADE 0xABCD
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#define LINKCMD_INIT_BLOCK 0xBBBB
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#define LINKCMD_READY_CANCEL_TRADE 0xBBCC
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#define LINKCMD_SEND_HELD_KEYS 0xCAFE
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#define LINKCMD_SEND_BLOCK_REQ 0xCCCC
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#define LINKCMD_START_TRADE 0xCCDD
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#define LINKCMD_CONFIRM_FINISH_TRADE 0xDCBA
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#define LINKCMD_SET_MONS_TO_TRADE 0xDDDD
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#define LINKCMD_PLAYER_CANCEL_TRADE 0xDDEE
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#define LINKCMD_REQUEST_CANCEL 0xEEAA
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#define LINKCMD_BOTH_CANCEL_TRADE 0xEEBB
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#define LINKCMD_PARTNER_CANCEL_TRADE 0xEECC
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#define LINKCMD_NONE 0xEFFF
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#define LINKTYPE_TRADE 0x1111
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#define LINKTYPE_TRADE_CONNECTING 0x1122
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#define LINKTYPE_TRADE_SETUP 0x1133
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#define LINKTYPE_TRADE_DISCONNECTED 0x1144
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#define LINKTYPE_BATTLE 0x2211
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#define LINKTYPE_UNUSED_BATTLE 0x2222 // Unused, inferred from gap
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#define LINKTYPE_SINGLE_BATTLE 0x2233
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#define LINKTYPE_DOUBLE_BATTLE 0x2244
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#define LINKTYPE_MULTI_BATTLE 0x2255
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#define LINKTYPE_BATTLE_TOWER_50 0x2266
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#define LINKTYPE_BATTLE_TOWER_OPEN 0x2277
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#define LINKTYPE_BATTLE_TOWER 0x2288
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#define LINKTYPE_RECORD_MIX_BEFORE 0x3311
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#define LINKTYPE_RECORD_MIX_AFTER 0x3322
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#define LINKTYPE_BERRY_BLENDER_SETUP 0x4411
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#define LINKTYPE_BERRY_BLENDER 0x4422
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#define LINKTYPE_MYSTERY_EVENT 0x5501
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#define LINKTYPE_EREADER_FRLG 0x5502
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#define LINKTYPE_EREADER_EM 0x5503
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#define LINKTYPE_CONTEST_GMODE 0x6601
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#define LINKTYPE_CONTEST_EMODE 0x6602
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enum {
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BLOCK_REQ_SIZE_NONE, // Identical to 200
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BLOCK_REQ_SIZE_200,
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BLOCK_REQ_SIZE_100,
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BLOCK_REQ_SIZE_220,
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BLOCK_REQ_SIZE_40,
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};
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struct LinkStatus
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{
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u32 localId:2;
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u32 playerCount:3;
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u32 master:1;
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u32 connEstablished:1;
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u32 unused_7:1;
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u32 receivedNothing:1;
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u32 unused_9:7;
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u32 errors:7;
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};
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#define MASTER_HANDSHAKE 0x8FFF
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#define SLAVE_HANDSHAKE 0xB9A0
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#define EREADER_HANDSHAKE 0xCCD0
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#define SIO_MULTI_CNT ((struct SioMultiCnt *)REG_ADDR_SIOCNT)
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enum
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{
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LINK_STATE_START0,
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LINK_STATE_START1,
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LINK_STATE_HANDSHAKE,
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LINK_STATE_INIT_TIMER,
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LINK_STATE_CONN_ESTABLISHED,
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};
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enum
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{
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EXCHANGE_NOT_STARTED,
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EXCHANGE_COMPLETE,
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EXCHANGE_TIMED_OUT,
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EXCHANGE_DIFF_SELECTIONS,
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EXCHANGE_PLAYER_NOT_READY,
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EXCHANGE_PARTNER_NOT_READY,
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EXCHANGE_WRONG_NUM_PLAYERS,
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EXCHANGE_STAT_7
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};
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enum
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{
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QUEUE_FULL_NONE,
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QUEUE_FULL_SEND,
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QUEUE_FULL_RECV,
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};
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enum
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{
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LAG_NONE,
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LAG_MASTER,
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LAG_SLAVE,
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};
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struct LinkPlayer
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{
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/* 0x00 */ u16 version;
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/* 0x02 */ u16 lp_field_2;
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/* 0x04 */ u32 trainerId;
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/* 0x08 */ u8 name[PLAYER_NAME_LENGTH + 1];
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/* 0x10 */ u8 progressFlags; // (& 0x0F) is hasNationalDex, (& 0xF0) is hasClearedGame
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/* 0x11 */ u8 neverRead;
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/* 0x12 */ u8 progressFlagsCopy;
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/* 0x13 */ u8 gender;
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/* 0x14 */ u32 linkType;
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/* 0x18 */ u16 id; // battler id in battles
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/* 0x1A */ u16 language;
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};
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struct LinkPlayerBlock
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{
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char magic1[16];
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struct LinkPlayer linkPlayer;
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char magic2[16];
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};
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// circular queues
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struct SendQueue
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{
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/* 0x000 */ u16 data[CMD_LENGTH][QUEUE_CAPACITY];
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/* 0x320 */ u8 pos;
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/* 0x321 */ u8 count;
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};
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struct RecvQueue
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{
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u16 data[MAX_LINK_PLAYERS][CMD_LENGTH][QUEUE_CAPACITY];
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u8 pos;
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u8 count;
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};
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struct Link
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{
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/* 0x000 */ u8 isMaster; // 0: slave, 8: master
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/* 0x001 */ u8 state;
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/* 0x002 */ u8 localId; // local multi-player ID
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/* 0x003 */ u8 playerCount;
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/* 0x004 */ u16 handshakeBuffer[MAX_LINK_PLAYERS];
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/* 0x00c */ bool8 receivedNothing;
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/* 0x00d */ s8 serialIntrCounter;
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/* 0x00e */ bool8 handshakeAsMaster;
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/* 0x00f */ u8 link_field_F;
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// error conditions
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/* 0x010 */ bool8 hardwareError; // hardware reported an error
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/* 0x011 */ bool8 badChecksum; // checksum didn't match between devices
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/* 0x012 */ u8 queueFull; // send or recv queue out of space
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/* 0x013 */ u8 lag; // connection is lagging
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/* 0x014 */ u16 checksum;
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/* 0x016 */ u8 sendCmdIndex;
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/* 0x017 */ u8 recvCmdIndex;
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/* 0x018 */ struct SendQueue sendQueue;
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/* 0x33c */ struct RecvQueue recvQueue;
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};
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struct BlockRequest
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{
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void * address;
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u32 size;
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};
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extern struct Link gLink;
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extern u16 ALIGNED(4) gRecvCmds[MAX_RFU_PLAYERS][CMD_LENGTH];
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extern u8 gBlockSendBuffer[BLOCK_BUFFER_SIZE];
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extern u16 gLinkType;
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extern u32 gLinkStatus;
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extern u16 gBlockRecvBuffer[MAX_RFU_PLAYERS][BLOCK_BUFFER_SIZE / 2];
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extern u16 gSendCmd[CMD_LENGTH];
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extern struct LinkPlayer gLinkPlayers[MAX_RFU_PLAYERS];
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extern bool8 gReceivedRemoteLinkPlayers;
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extern u32 gBerryBlenderKeySendAttempts;
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extern bool8 gLinkVSyncDisabled;
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extern u32 gLinkStatus;
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bool8 IsWirelessAdapterConnected(void);
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void Task_DestroySelf(u8 taskId);
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void OpenLink(void);
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void CloseLink(void);
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u16 LinkMain2(const u16 *);
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void ClearLinkCallback(void);
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void ClearLinkCallback_2(void);
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u8 GetLinkPlayerCount(void);
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void OpenLinkTimed(void);
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u8 GetLinkPlayerDataExchangeStatusTimed(int lower, int upper);
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bool8 IsLinkPlayerDataExchangeComplete(void);
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u32 GetLinkPlayerTrainerId(u8);
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void ResetLinkPlayers(void);
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u8 GetMultiplayerId(void);
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u8 BitmaskAllOtherLinkPlayers(void);
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bool8 SendBlock(u8, const void *, u16);
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u8 GetBlockReceivedStatus(void);
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void ResetBlockReceivedFlags(void);
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void ResetBlockReceivedFlag(u8);
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u8 GetLinkPlayerCount_2(void);
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bool8 IsLinkMaster(void);
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void CB2_LinkError(void);
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bool8 GetSioMultiSI(void);
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bool8 IsLinkConnectionEstablished(void);
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bool8 HasLinkErrorOccurred(void);
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void ResetSerial(void);
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u32 LinkMain1(u8 *shouldAdvanceLinkState, u16 *sendCmd, u16 (*recvCmds)[CMD_LENGTH]);
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void LinkVSync(void);
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void Timer3Intr(void);
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void SerialCB(void);
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bool32 InUnionRoom(void);
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void LoadWirelessStatusIndicatorSpriteGfx(void);
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bool8 IsLinkTaskFinished(void);
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void CreateWirelessStatusIndicatorSprite(u8 x, u8 y);
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void SetLinkStandbyCallback(void);
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void SetWirelessCommType1(void);
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void CheckShouldAdvanceLinkState(void);
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void SetCloseLinkCallback(void);
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bool8 HandleLinkConnection(void);
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void SetLinkDebugValues(u32 seed, u32 flags);
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void SetBerryBlenderLinkCallback(void);
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void SetSuppressLinkErrorMessage(bool8 flag);
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void ConvertLinkPlayerName(struct LinkPlayer *linkPlayer);
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void ClearSavedLinkPlayers(void);
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void SetLinkErrorBuffer(u32 status, u8 lastSendQueueCount, u8 lastRecvQueueCount, bool8 disconnected);
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void LocalLinkPlayerToBlock(void);
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void LinkPlayerFromBlock(u32 who);
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bool32 Link_AnyPartnersPlayingFRLG_JP(void);
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void ResetLinkPlayerCount(void);
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void SaveLinkPlayers(u8 playerCount);
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void SetWirelessCommType0(void);
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bool32 IsLinkRecvQueueAtOverworldMax(void);
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extern u16 gLinkPartnersHeldKeys[6];
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extern u32 gLinkDebugSeed;
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extern struct LinkPlayerBlock gLocalLinkPlayerBlock;
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extern bool8 gLinkErrorOccurred;
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extern u32 gLinkDebugFlags;
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extern bool8 gRemoteLinkPlayersNotReceived[MAX_LINK_PLAYERS];
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extern u8 gBlockReceivedStatus[MAX_LINK_PLAYERS];
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extern u16 gLinkHeldKeys;
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extern u32 gLinkStatus;
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extern bool8 gReadyToExitStandby[MAX_LINK_PLAYERS];
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extern bool8 gReadyToCloseLink[MAX_LINK_PLAYERS];
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extern u16 gReadyCloseLinkType;
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extern u8 gSuppressLinkErrorMessage;
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extern u8 gWirelessCommType;
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extern bool8 gSavedLinkPlayerCount;
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extern u8 gSavedMultiplayerId;
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extern struct LinkTestBGInfo gLinkTestBGInfo;
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extern void (*gLinkCallback)(void);
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extern u8 gShouldAdvanceLinkState;
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extern u16 gLinkTestBlockChecksums[MAX_LINK_PLAYERS];
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extern u8 gBlockRequestType;
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extern u8 gLastSendQueueCount;
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extern u8 gLastRecvQueueCount;
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extern u16 gLinkSavedIme;
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extern struct LinkPlayer gLocalLinkPlayer;
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bool32 Link_AnyPartnersPlayingRubyOrSapphire(void);
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bool32 LinkDummy_Return2(void);
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void SetLocalLinkPlayerId(u8);
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u8 GetSavedPlayerCount(void);
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bool8 SendBlockRequest(u8 type);
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u8 GetLinkPlayerCountAsBitFlags(void);
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u8 GetSavedLinkPlayerCountAsBitFlags(void);
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void SetCloseLinkCallbackHandleJP(void);
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void CheckLinkPlayersMatchSaved(void);
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void StartSendingKeysToLink(void);
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bool8 DoesLinkPlayerCountMatchSaved(void);
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void SetCloseLinkCallbackAndType(u16 type);
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bool32 IsSendingKeysToLink(void);
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u32 GetLinkRecvQueueLength(void);
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#endif // GUARD_LINK_H
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