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612 lines
16 KiB
C
612 lines
16 KiB
C
/*
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* This file is part of open_agb_firm
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* Copyright (C) 2021 derrek, profi200
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "types.h"
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#include "error_codes.h"
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#include "fs.h"
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#include "util.h"
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#include "arm11/drivers/hid.h"
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#include "arm11/console.h"
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#include "arm11/fmt.h"
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#include "drivers/gfx.h"
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#include "arm11/acf.h"
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#include "arm11/atp.h"
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#include "arm11/acl.h"
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#include "arm11/cheat.h"
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#define screenClean() memset(consoleGet()->frameBuffer, 0, CWIDTH*CHEIGHT*sizeof(uint16_t))
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// Notes on these settings:
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// MAX_ENT_BUF_SIZE should be big enough to hold the average file/dir name length * MAX_DIR_ENTRIES.
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#define MAX_ENT_BUF_SIZE (1024u * 196) // 196 KiB.
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#define MAX_DIR_ENTRIES (999u)
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#define DIR_READ_BLOCKS (10u)
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#define CWIDTH 320u
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#define CHEIGHT 240u
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#define ENT_TYPE_FILE (0)
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#define ENT_TYPE_DIR (1)
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typedef struct
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{
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u32 num; // Total number of entries.
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char entBuf[MAX_ENT_BUF_SIZE]; // Format: char entryType; char name[X]; // null terminated.
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char *ptrs[MAX_DIR_ENTRIES]; // For fast sorting.
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} DirList;
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int dlistCompare(const void *a, const void *b)
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{
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const char *entA = *(char**)a;
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const char *entB = *(char**)b;
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// Compare the entry type. Dirs have priority over files.
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if(*entA != *entB) return (int)*entB - *entA;
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// Compare the string.
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int res;
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do
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{
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res = *++entA - *++entB;
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} while(res == 0 && *entA != '\0' && *entB != '\0');
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return res;
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}
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static Result scanDir(const char *const path, DirList *const dList, const char *const filter, const char *match, int *index)
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{
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FILINFO *const fis = (FILINFO*)malloc(sizeof(FILINFO) * DIR_READ_BLOCKS);
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if(fis == NULL) return RES_OUT_OF_MEM;
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dList->num = 0;
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Result res;
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DHandle dh;
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u32 received = 0;
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if((res = fOpenDir(&dh, path)) == RES_OK)
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{
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u32 read; // Number of entries read by fReadDir().
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u32 numEntries = 0; // Total number of processed entries.
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u32 entBufPos = 0; // Entry buffer position/number of bytes used.
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const u32 filterLen = strlen(filter);
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do
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{
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if((res = fReadDir(dh, fis, DIR_READ_BLOCKS, &read)) != RES_OK) break;
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received = numEntries + read;
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read = (read <= MAX_DIR_ENTRIES - numEntries ? read : MAX_DIR_ENTRIES - numEntries);
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for(u32 i = 0; i < read; i++)
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{
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const char entType = (fis[i].fattrib & AM_DIR ? ENT_TYPE_DIR : ENT_TYPE_FILE);
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const u32 nameLen = strlen(fis[i].fname);
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if(entType == ENT_TYPE_FILE)
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{
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if(nameLen <= filterLen || strcmp(filter, fis[i].fname + nameLen - filterLen) != 0)
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continue;
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}
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// nameLen does not include the entry type and NULL termination.
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if(entBufPos + nameLen + 2 > MAX_ENT_BUF_SIZE)
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{
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res = RES_PATH_TOO_LONG;
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goto scanEnd;
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}
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char *const entry = &dList->entBuf[entBufPos];
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*entry = entType;
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safeStrcpy(&entry[1], fis[i].fname, 256);
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dList->ptrs[numEntries++] = entry;
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entBufPos += nameLen + 2;
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}
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} while(read == DIR_READ_BLOCKS);
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scanEnd:
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dList->num = numEntries;
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fCloseDir(dh);
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}
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free(fis);
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qsort(dList->ptrs, dList->num, sizeof(char*), dlistCompare);
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if( match != NULL )
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{
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for( u32 i=0; i < dList->num; ++i )
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{
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if( strcmp(match, &dList->ptrs[i][1]) == 0 )
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{
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*index = i;
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break;
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}
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}
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}
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return received > MAX_DIR_ENTRIES ? RES_OUT_OF_RANGE : res;
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}
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static Result rom_get_serial( const char *file, char serial[5] )
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{
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FHandle f;
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Result res;
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u32 readed;
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serial[0] = serial[4] = '\0';
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if( RES_OK != (res=fOpen(&f, file, FA_OPEN_EXISTING | FA_READ)) )
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{
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return res;
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}
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if( RES_OK != (res=fLseek(f, 0xac)) )
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{
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fClose( f );
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return res;
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}
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if( RES_OK != (res=fRead(f, serial, 4, &readed))
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|| readed != 4 )
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{
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fClose(f);
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return res;
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}
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fClose(f);
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return RES_OK;
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}
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static atp_text_t folder_help[] = {
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"操 作 说 明",
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"~ ~ ~ ~ ~ ~ ~",
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"蓝色 目录",
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"白色 游戏",
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"~ ~ ~ ~ ~ ~ ~",
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"上下方向键 切换选中文件或目录",
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"左右方向键 翻页",
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"Ａ键 查看目录或启动游戏",
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"Ｂ键 上层文件夹",
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"Ｘ键 金手指",
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"Ｙ键 暂不使用",
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"ＳＴＡＲＴ 查看说明",
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"ＳＥＬＥＣＴ 系统设置"
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};
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static atp_error_t display_folder( atp_callerdata_t data, atp_counter_t index, atp_itemcfg_t *config )
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{
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void* *dat = (void **)data;
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DirList *const dList = (DirList*)dat[0];
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u8 type = *dList->ptrs[index];
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if( type == ENT_TYPE_DIR )
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config->text_color = ATP_COLOR_BLUE;
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config->text = &dList->ptrs[index][1];
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config->value = index;
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return ATP_SUCCESS;
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}
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#define DECLARE_ERROR_PAGE(name, message) static atp_error_t name (atp_callerdata_t, atp_counter_t, atp_linecfg_t *c) \
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{ \
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c->text = message; \
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c->text_align = ATP_PLACEMENT_CENTER; \
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c->text_color = ATP_COLOR_RED; \
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return ATP_SUCCESS; \
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}
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DECLARE_ERROR_PAGE( display_openlib, "打开金手指文件出错" )
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DECLARE_ERROR_PAGE( display_selcht, "查找金手指配置出错" )
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DECLARE_ERROR_PAGE( display_noserial, "提取游戏识别码失败" )
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DECLARE_ERROR_PAGE( display_nocheat, "找不到对应的金手指配置" )
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DECLARE_ERROR_PAGE( display_empty, "没有合适的文件" )
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DECLARE_ERROR_PAGE( display_toolong, "路径过长，改名或移动文件后再试" )
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DECLARE_ERROR_PAGE( display_pathfull, "游戏或目录过量，最多显示999个" )
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DECLARE_ERROR_PAGE( display_longname, "文件名总计过长，只显示前面的文件" )
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static atp_error_t display_help( atp_callerdata_t table, atp_counter_t index, atp_linecfg_t *config )
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{
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atp_text_t *list = (atp_text_t*)table;
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config->text_align = ATP_PLACEMENT_CENTER;
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config->text_color = index == 0 ? ATP_COLOR_MAGENTA : ATP_COLOR_LIGHT;
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config->text = list[index];
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return ATP_SUCCESS;
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}
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atp_error_t help_page( atp_text_t *wording, atp_counter_t length )
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{
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atp_tips( NULL, "返回：按A/B" );
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atp_error_t res = atp_show( length, display_help, (atp_callerdata_t)wording );
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atp_tips( NULL, "指引：按START" );
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return res;
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}
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static atp_error_t disp_str( atp_callerdata_t data, atp_counter_t, atp_linecfg_t *cfg )
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{
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cfg->text = (atp_text_t)data;
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return ATP_SUCCESS;
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}
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static atp_error_t select_region( atp_callerdata_t, atp_counter_t index, atp_itemcfg_t *config )
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{
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static char text[16];
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acl_region_t sreg;
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acl_chtid_t sid, id;
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if( ACHTLIB_SUCCESS != acl_query_cheat_set(index, &sid, &sreg) )
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{
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config->text = "无效数据";
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config->value = index;
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return ATP_SUCCESS;
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}
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char *t;
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switch( sreg )
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{
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case 'C': t = "官方中文"; break;
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case 'J': t = "日文版"; break;
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case 'E': t = "英文版"; break;
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case 'F': t = "法语版"; break;
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case 'S': t = "西班牙语"; break;
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case 'I': t = "意大利语"; break;
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case 'D': t = "德语版"; break;
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case 'K': t = "韩文版"; break;
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case 'X': case 'P': t = "欧洲语种"; break;
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default: t = "其他语种"; break;
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}
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ee_sprintf(text, "%c-%s", 'A'+(char)index, t);
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if( CCHT_NOT_INIT == info_current_cheat( &id, NULL ) )
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id = 0;
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config->text = text;
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config->value = index;
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// show saved information
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if( sid == id )
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{
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config->extra_text = "已启用";
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config->extra_text_color = ATP_COLOR_GREEN;
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}
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return ATP_SUCCESS;
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}
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static atp_error_t select_holes( atp_callerdata_t, atp_counter_t index, atp_itemcfg_t *cfg )
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{
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acl_text_t text;
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acl_error_t res = acl_entry_get_label(index, &text);
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if( res == ACHTLIB_SUCCESS )
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cfg->text = text;
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else cfg->text = "无效数据";
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cfg->value = 1+index;
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// show saved information
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acl_entryid_t id;
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if( CCHT_OK == get_current_cheat( index, &id ) && ENT_USING(id) )
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{
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cfg->extra_text = "开";
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cfg->extra_text_color = ATP_COLOR_GREEN;
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}
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return ATP_SUCCESS;
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}
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static atp_error_t select_onoff( atp_callerdata_t data, atp_counter_t index, atp_itemcfg_t *cfg )
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{
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acl_entryid_t eid = (acl_entryid_t)data;
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cfg->text = index == 0 ? "不开启" : "开启";
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cfg->value = index << 16 | eid;
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// show saved information
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if( CCHT_OK == include_current_cheat((acl_entryid_t)cfg->value) )
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{
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cfg->extra_text = "选中";
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cfg->extra_text_color = ATP_COLOR_GREEN;
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}
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return ATP_SUCCESS;
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}
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static atp_error_t select_keys( atp_callerdata_t data, atp_counter_t index, atp_itemcfg_t *cfg )
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{
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acl_text_t text;
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if( index == 0 )
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{
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cfg->text = "不开启";
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}
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else
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{
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acl_error_t res = acl_entry_get_label(index-1, &text);
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if( res == ACHTLIB_SUCCESS )
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cfg->text = text;
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else cfg->text = "无效数据";
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}
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acl_entryid_t eid = (acl_entryid_t)data;
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cfg->value = index<<16 | eid;
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if( CCHT_OK == include_current_cheat((acl_entryid_t)cfg->value) )
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{
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cfg->extra_text = "选中";
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cfg->extra_text_color = ATP_COLOR_GREEN;
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}
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return ATP_SUCCESS;
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}
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extern atp_error_t oaf_config_page();
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#define DIRBUFFSIZE 512
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#define WAIT_ON_ACT( act ) ( ATP_POWER_OFF == (act) ) ? ATP_POWER_OFF : ATP_PAGE_REFRESH
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#define WAIT_ON_ERRPAGE( page ) WAIT_ON_ACT( atp_show(1, (page), NULL) )
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static atp_pageopt_t serve_on_key( atp_callerdata_t data, atp_counter_t index, atp_boolean_t x, atp_boolean_t y, atp_boolean_t l, atp_boolean_t r, atp_boolean_t start, atp_boolean_t select )
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{
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if( start )
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{
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atp_tips( "", NULL );
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return WAIT_ON_ACT( help_page( folder_help, sizeof(folder_help)/sizeof(atp_text_t) ) );
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}
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else if( select )
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{
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return WAIT_ON_ACT( oaf_config_page() );
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}
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else if( x )
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{
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void* *dat = (void **)data;
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DirList const *dList = (DirList*)dat[0];
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char *path = (char*)dat[1];
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const char *file = &dList->ptrs[index][1];
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int pathlen = strlen(path);
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int filelen = strlen(file);
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if( pathlen + filelen > DIRBUFFSIZE - 1)
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{
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return WAIT_ON_ERRPAGE( display_toolong );
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}
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else if( ENT_TYPE_DIR == dList->ptrs[index][0] )
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{
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return WAIT_ON_ERRPAGE( display_empty );
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}
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path[pathlen] = '/';
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safeStrcpy( path+pathlen+1, file, DIRBUFFSIZE - filelen );
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#define RECOVER_PATH path[pathlen] = '\0'
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// 确定game serial
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char serial[5];
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if( RES_OK != rom_get_serial(path, serial) )
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{
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RECOVER_PATH;
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return WAIT_ON_ERRPAGE( display_noserial );
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}
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else RECOVER_PATH;
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acl_count_t len;
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if( ACHTLIB_SUCCESS != acl_open_lib( "gba.acl" ) )
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{
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return WAIT_ON_ERRPAGE( display_openlib );
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}
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if( ACHTLIB_SUCCESS != acl_select_game( serial, 0, &len ) )
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{
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acl_close_lib();
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return WAIT_ON_ERRPAGE( display_selcht );
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}
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if( len == 0 )
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{
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acl_close_lib();
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return WAIT_ON_ERRPAGE( display_nocheat );
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}
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// 显示配置页面
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atp_error_t res;
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atp_itemval_t item;
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acl_elemlen_t cnt;
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#define DISP_DONE 0
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#define DISP_REGION 1
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#define DISP_HOLES 2
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#define DISP_KEYS 3
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uint8_t status = DISP_REGION;
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atp_counter_t defi = 0;
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acl_entryid_t eid = 0;
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while( status != DISP_DONE )
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{
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if( status == DISP_REGION )
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{
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res = atp_select("请谨慎使用金手指！金手指可能会引起卡顿、死机、损坏存档等现象。"
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"选择一个金手指配置", len, select_region, NULL, NULL, defi, 0, &item );
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if( res == ATP_SUCCESS )
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{
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defi = item;
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acl_chtid_t sid;
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acl_elemlen_t len;
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u32 ccid, cclen;
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acl_query_cheat_set((acl_index_t)item, &sid, NULL );
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acl_select_cheat_set( sid );
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acl_select_entry(0, &len);
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if( CCHT_OK == info_current_cheat(&ccid, &cclen) )
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{
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// SKIP the init process when id and len is the same
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if( ccid != sid || cclen != len )
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init_current_cheat( sid, len );
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}
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else init_current_cheat( sid, len );
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eid = 0;
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status = DISP_HOLES;
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}
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else if( res == ATP_NO_ACTION)
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{
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status = DISP_DONE;
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}
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else break;
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}
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else if( status == DISP_HOLES )
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{
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acl_select_entry(0, &cnt);
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res = atp_select("选择一个金手指项目", cnt, select_holes, NULL, NULL, eid > 0 ? (eid&0xffff)-1 : 0, 0, &item);
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if( res == ATP_SUCCESS )
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{
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eid = (acl_entryid_t)item;
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acl_select_entry(eid, &cnt);
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status = DISP_KEYS;
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}
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else if( res == ATP_NO_ACTION )
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{
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status = DISP_REGION;
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}
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else break;
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}
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else // DISP_KEYS
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{
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res = atp_select("选择此项目对应的设置", cnt==0 ? 2:cnt, cnt==0 ? select_onoff : select_keys, NULL, (atp_callerdata_t)eid, 0, 0, &item);
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if( res == ATP_SUCCESS )
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{
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||
put_current_cheat( (acl_entryid_t)item );
|
||
status = DISP_HOLES;
|
||
}
|
||
else if( res == ATP_NO_ACTION )
|
||
{
|
||
status = DISP_HOLES;
|
||
}
|
||
else break;
|
||
}
|
||
}
|
||
|
||
acl_close_lib();
|
||
return WAIT_ON_ACT( res );
|
||
}
|
||
return ATP_PAGE_NOOPTION;
|
||
}
|
||
|
||
#define PATH_SAME 0
|
||
#define PATH_PUSH 1
|
||
#define PATH_POP 2
|
||
#define DIRUP { \
|
||
char *tmpPathPtr = curDir + pathLen; \
|
||
while(*--tmpPathPtr != '/'); \
|
||
if(*(tmpPathPtr - 1) == ':') tmpPathPtr++; \
|
||
*tmpPathPtr = '\0'; \
|
||
path_recover = PATH_POP; \
|
||
upFrom = tmpPathPtr + 1; \
|
||
}
|
||
Result browseFiles(const char *const basePath, char selected[512])
|
||
{
|
||
if(basePath == NULL || selected == NULL) return RES_INVALID_ARG;
|
||
// TODO: Check if the base path is empty.
|
||
|
||
char *curDir = (char*)malloc(DIRBUFFSIZE);
|
||
if(curDir == NULL) return RES_OUT_OF_MEM;
|
||
safeStrcpy(curDir, basePath, 512);
|
||
|
||
DirList *const dList = (DirList*)malloc(sizeof(DirList));
|
||
if(dList == NULL) return RES_OUT_OF_MEM;
|
||
|
||
Result res;
|
||
if((res = scanDir(curDir, dList, ".gba", NULL, NULL)) != RES_OK)
|
||
{
|
||
if( res == RES_OUT_OF_RANGE )
|
||
atp_show(1, display_pathfull, NULL);
|
||
else if( res == RES_PATH_TOO_LONG )
|
||
atp_show(1, display_longname, NULL );
|
||
else goto end;
|
||
}
|
||
|
||
const char *upFrom = NULL;
|
||
int selecting = 0;
|
||
while( 1 )
|
||
{
|
||
atp_itemval_t value;
|
||
atp_error_t error;
|
||
int path_recover = PATH_SAME;
|
||
const u32 count = dList->num;
|
||
|
||
u32 pathLen = strlen(curDir);
|
||
|
||
if( count > 0 )
|
||
{
|
||
GFX_waitForVBlank0();
|
||
hidScanInput();
|
||
atp_tips( NULL, "指引：按START" );
|
||
void *cust[2] = {dList, curDir};
|
||
error = atp_select( curDir, count, display_folder, serve_on_key, (atp_callerdata_t)cust, selecting, 0, &value );
|
||
}
|
||
else error = atp_show( 1, display_empty, NULL );
|
||
|
||
if( error == ATP_POWER_OFF )
|
||
{
|
||
res = error;
|
||
break;
|
||
}
|
||
else if( error == ATP_SUCCESS )
|
||
{// 进入目录或文件
|
||
if( count == 0 )
|
||
{
|
||
DIRUP;
|
||
}
|
||
else
|
||
{
|
||
const char *fname = &dList->ptrs[value][1];
|
||
u32 namelen = strlen( fname ) + 1;
|
||
if( namelen + pathLen > DIRBUFFSIZE-1 )
|
||
{
|
||
atp_show( 1, display_toolong, NULL );
|
||
continue;
|
||
}
|
||
curDir[pathLen++] = '/';
|
||
safeStrcpy( curDir+pathLen, fname, DIRBUFFSIZE - namelen );
|
||
if( *dList->ptrs[value] == ENT_TYPE_FILE )
|
||
{
|
||
safeStrcpy( selected, curDir, 512 );
|
||
break;
|
||
}
|
||
else
|
||
{
|
||
path_recover = PATH_PUSH;
|
||
selecting = 0;
|
||
upFrom = NULL;
|
||
}
|
||
}
|
||
}
|
||
else if( error == ATP_NO_ACTION )
|
||
{// 上层目录
|
||
if( strcmp(curDir, FS_DRIVE_NAMES) == 0 )
|
||
{
|
||
atp_tips("没有上层目录", NULL);
|
||
help_page( folder_help, sizeof(folder_help)/sizeof(atp_text_t) );
|
||
atp_tips("", NULL);
|
||
}
|
||
else DIRUP;
|
||
}
|
||
|
||
if( path_recover )
|
||
{
|
||
if(RES_OK != (res = scanDir(curDir, dList, ".gba", upFrom, &selecting)) )
|
||
{
|
||
if( res == RES_OUT_OF_RANGE )
|
||
atp_show( 1, display_pathfull, NULL ); // give a warning for user, and keep show the list
|
||
else if( res == RES_PATH_TOO_LONG )
|
||
atp_show( 1, display_longname, NULL );
|
||
else break;
|
||
}
|
||
path_recover = PATH_SAME;
|
||
}
|
||
}
|
||
|
||
end:
|
||
free(dList);
|
||
free(curDir);
|
||
|
||
// Clear screen.
|
||
screenClean();
|
||
|
||
return res;
|
||
}
|