mirror of
https://github.com/Ninjdai1/pokeemerald.git
synced 2024-11-16 11:37:40 +01:00
303 lines
8.8 KiB
C
303 lines
8.8 KiB
C
#include "global.h"
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#include "malloc.h"
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#include "decompress.h"
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#include "overworld.h"
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#include "script.h"
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#include "battle_tower.h"
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#include "mystery_gift.h"
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#include "mystery_event_script.h"
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#include "mystery_gift_client.h"
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enum {
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FUNC_INIT,
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FUNC_DONE,
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FUNC_RECV,
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FUNC_SEND,
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FUNC_RUN,
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FUNC_WAIT,
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FUNC_RUN_MEVENT,
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FUNC_RUN_BUFFER,
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};
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EWRAM_DATA static struct MysteryGiftClient * sClient = NULL;
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static void MysteryGiftClient_Init(struct MysteryGiftClient *, u32, u32);
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static u32 MysteryGiftClient_CallFunc(struct MysteryGiftClient *);
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static void MysteryGiftClient_Free(struct MysteryGiftClient *);
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extern const struct MysteryGiftClientCmd gMysteryGiftClientScript_Init[];
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void MysteryGiftClient_Create(bool32 isWonderNews)
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{
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sClient = AllocZeroed(sizeof(*sClient));
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MysteryGiftClient_Init(sClient, 1, 0);
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sClient->isWonderNews = isWonderNews;
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}
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u32 MysteryGiftClient_Run(u16 * endVal)
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{
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u32 result;
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if (sClient == NULL)
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return CLI_RET_END;
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result = MysteryGiftClient_CallFunc(sClient);
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if (result == CLI_RET_END)
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{
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*endVal = sClient->param;
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MysteryGiftClient_Free(sClient);
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FREE_AND_SET_NULL(sClient);
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}
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return result;
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}
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void MysteryGiftClient_AdvanceState(void)
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{
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sClient->funcState++;
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}
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void * MysteryGiftClient_GetMsg(void)
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{
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return sClient->msg;
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}
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void MysteryGiftClient_SetParam(u32 val)
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{
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sClient->param = val;
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}
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static void MysteryGiftClient_Init(struct MysteryGiftClient * client, u32 sendPlayerId, u32 recvPlayerId)
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{
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client->unused = 0;
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client->funcId = FUNC_INIT;
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client->funcState = 0;
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client->sendBuffer = AllocZeroed(MG_LINK_BUFFER_SIZE);
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client->recvBuffer = AllocZeroed(MG_LINK_BUFFER_SIZE);
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client->script = AllocZeroed(MG_LINK_BUFFER_SIZE);
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client->msg = AllocZeroed(CLIENT_MAX_MSG_SIZE);
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MysteryGiftLink_Init(&client->link, sendPlayerId, recvPlayerId);
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}
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static void MysteryGiftClient_Free(struct MysteryGiftClient * client)
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{
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Free(client->sendBuffer);
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Free(client->recvBuffer);
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Free(client->script);
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Free(client->msg);
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}
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static void MysteryGiftClient_CopyRecvScript(struct MysteryGiftClient * client)
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{
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memcpy(client->script, client->recvBuffer, MG_LINK_BUFFER_SIZE);
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client->cmdidx = 0;
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}
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static void MysteryGiftClient_InitSendWord(struct MysteryGiftClient * client, u32 ident, u32 word)
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{
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CpuFill32(0, client->sendBuffer, MG_LINK_BUFFER_SIZE);
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*(u32 *)client->sendBuffer = word;
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MysteryGiftLink_InitSend(&client->link, ident, client->sendBuffer, sizeof(word));
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}
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static u32 Client_Init(struct MysteryGiftClient * client)
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{
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memcpy(client->script, gMysteryGiftClientScript_Init, MG_LINK_BUFFER_SIZE);
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client->cmdidx = 0;
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client->funcId = FUNC_RUN;
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client->funcState = 0;
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return CLI_RET_INIT;
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}
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static u32 Client_Done(struct MysteryGiftClient * client)
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{
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return CLI_RET_END;
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}
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static u32 Client_Recv(struct MysteryGiftClient * client)
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{
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if (MysteryGiftLink_Recv(&client->link))
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{
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client->funcId = FUNC_RUN;
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client->funcState = 0;
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}
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return CLI_RET_ACTIVE;
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}
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static u32 Client_Send(struct MysteryGiftClient * client)
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{
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if (MysteryGiftLink_Send(&client->link))
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{
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client->funcId = FUNC_RUN;
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client->funcState = 0;
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}
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return CLI_RET_ACTIVE;
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}
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static u32 Client_Run(struct MysteryGiftClient * client)
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{
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// process command
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struct MysteryGiftClientCmd * cmd = &client->script[client->cmdidx];
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client->cmdidx++;
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switch (cmd->instr)
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{
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case CLI_NONE:
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break;
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case CLI_RETURN:
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client->param = cmd->parameter; // Set for endVal in MysteryGiftClient_Run
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client->funcId = FUNC_DONE;
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client->funcState = 0;
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break;
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case CLI_RECV:
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MysteryGiftLink_InitRecv(&client->link, cmd->parameter, client->recvBuffer);
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client->funcId = FUNC_RECV;
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client->funcState = 0;
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break;
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case CLI_SEND_LOADED:
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// Send without a MysteryGiftLink_InitSend
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// Sends whatever has been loaded already
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client->funcId = FUNC_SEND;
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client->funcState = 0;
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break;
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case CLI_SEND_READY_END:
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MysteryGiftLink_InitSend(&client->link, MG_LINKID_READY_END, client->sendBuffer, 0);
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client->funcId = FUNC_SEND;
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client->funcState = 0;
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break;
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case CLI_SEND_STAT:
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MysteryGiftClient_InitSendWord(client, MG_LINKID_GAME_STAT, GetGameStat(cmd->parameter));
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client->funcId = FUNC_SEND;
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client->funcState = 0;
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break;
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case CLI_COPY_RECV_IF_N:
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if (client->param == FALSE)
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MysteryGiftClient_CopyRecvScript(client);
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break;
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case CLI_COPY_RECV_IF:
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if (client->param == TRUE)
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MysteryGiftClient_CopyRecvScript(client);
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break;
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case CLI_COPY_RECV:
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MysteryGiftClient_CopyRecvScript(client);
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break;
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case CLI_YES_NO:
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memcpy(client->msg, client->recvBuffer, CLIENT_MAX_MSG_SIZE);
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client->funcId = FUNC_WAIT;
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client->funcState = 0;
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return CLI_RET_YES_NO;
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case CLI_PRINT_MSG:
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memcpy(client->msg, client->recvBuffer, CLIENT_MAX_MSG_SIZE);
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client->funcId = FUNC_WAIT;
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client->funcState = 0;
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return CLI_RET_PRINT_MSG;
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case CLI_COPY_MSG:
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memcpy(client->msg, client->recvBuffer, CLIENT_MAX_MSG_SIZE);
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client->funcId = FUNC_WAIT;
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client->funcState = 0;
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return CLI_RET_COPY_MSG;
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case CLI_ASK_TOSS:
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client->funcId = FUNC_WAIT;
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client->funcState = 0;
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return CLI_RET_ASK_TOSS;
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case CLI_LOAD_GAME_DATA:
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MysteryGift_LoadLinkGameData(client->sendBuffer, client->isWonderNews);
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MysteryGiftLink_InitSend(&client->link, MG_LINKID_GAME_DATA, client->sendBuffer, sizeof(struct MysteryGiftLinkGameData));
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break;
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case CLI_LOAD_TOSS_RESPONSE:
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// param here is set by MG_STATE_CLIENT_ASK_TOSS or MG_STATE_CLIENT_ASK_TOSS_UNRECEIVED
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MysteryGiftClient_InitSendWord(client, MG_LINKID_RESPONSE, client->param);
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break;
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case CLI_SAVE_CARD:
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SaveWonderCard(client->recvBuffer);
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break;
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case CLI_SAVE_NEWS:
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if (!IsWonderNewsSameAsSaved(client->recvBuffer))
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{
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SaveWonderNews(client->recvBuffer);
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MysteryGiftClient_InitSendWord(client, MG_LINKID_RESPONSE, FALSE);
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}
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else
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{
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// Wonder News has already been saved (or is invalid).
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// Prepare a signal to indicate it was not saved.
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MysteryGiftClient_InitSendWord(client, MG_LINKID_RESPONSE, TRUE);
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}
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break;
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case CLI_RUN_MEVENT_SCRIPT:
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client->funcId = FUNC_RUN_MEVENT;
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client->funcState = 0;
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break;
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case CLI_SAVE_STAMP:
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MysteryGift_TrySaveStamp(client->recvBuffer);
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break;
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case CLI_SAVE_RAM_SCRIPT:
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InitRamScript_NoObjectEvent(client->recvBuffer, sizeof(struct RamScriptData));
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break;
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case CLI_RECV_EREADER_TRAINER:
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memcpy(&gSaveBlock2Ptr->frontier.ereaderTrainer, client->recvBuffer, sizeof(gSaveBlock2Ptr->frontier.ereaderTrainer));
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ValidateEReaderTrainer();
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break;
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case CLI_RUN_BUFFER_SCRIPT:
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memcpy(gDecompressionBuffer, client->recvBuffer, MG_LINK_BUFFER_SIZE);
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client->funcId = FUNC_RUN_BUFFER;
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client->funcState = 0;
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break;
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}
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return CLI_RET_ACTIVE;
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}
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static u32 Client_Wait(struct MysteryGiftClient * client)
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{
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if (client->funcState)
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{
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client->funcId = FUNC_RUN;
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client->funcState = 0;
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}
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return CLI_RET_ACTIVE;
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}
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static u32 Client_RunMysteryEventScript(struct MysteryGiftClient * client)
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{
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switch (client->funcState)
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{
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case 0:
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InitMysteryEventScriptContext(client->recvBuffer);
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client->funcState++;
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break;
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case 1:
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if (!RunMysteryEventScriptContextCommand(&client->param))
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{
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client->funcId = FUNC_RUN;
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client->funcState = 0;
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}
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break;
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}
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return CLI_RET_ACTIVE;
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}
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static u32 Client_RunBufferScript(struct MysteryGiftClient * client)
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{
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// exec arbitrary code
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u32 (*func)(u32 *, struct SaveBlock2 *, struct SaveBlock1 *) = (void *)gDecompressionBuffer;
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if (func(&client->param, gSaveBlock2Ptr, gSaveBlock1Ptr) == 1)
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{
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client->funcId = FUNC_RUN;
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client->funcState = 0;
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}
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return CLI_RET_ACTIVE;
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}
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static u32 MysteryGiftClient_CallFunc(struct MysteryGiftClient * client)
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{
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u32 (*funcs[])(struct MysteryGiftClient *) = {
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[FUNC_INIT] = Client_Init,
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[FUNC_DONE] = Client_Done,
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[FUNC_RECV] = Client_Recv,
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[FUNC_SEND] = Client_Send,
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[FUNC_RUN] = Client_Run,
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[FUNC_WAIT] = Client_Wait,
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[FUNC_RUN_MEVENT] = Client_RunMysteryEventScript,
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[FUNC_RUN_BUFFER] = Client_RunBufferScript
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};
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return funcs[client->funcId](client);
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}
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