mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-27 00:00:07 -06:00
reconnect the save manager thing
This commit is contained in:
Arisotura
542
src/frontend/qt_sdl/ROMManager.cpp
Normal file
542
src/frontend/qt_sdl/ROMManager.cpp
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@ -0,0 +1,542 @@
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/*
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Copyright 2016-2021 Arisotura
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This file is part of melonDS.
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melonDS is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with melonDS. If not, see http://www.gnu.org/licenses/.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <string>
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#include <utility>
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#ifdef ARCHIVE_SUPPORT_ENABLED
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#include "ArchiveUtil.h"
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#endif
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#include "ROMManager.h"
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#include "Config.h"
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#include "Platform.h"
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#include "NDS.h"
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#include "DSi.h"
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#include "AREngine.h"
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namespace ROMManager
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{
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std::string FullROMPath = "";
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std::string BaseROMDir = "";
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std::string BaseROMName = "";
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std::string BaseAssetName = "";
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int GBACartType = -1;
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SaveManager* NDSSave = nullptr;
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int LastSep(std::string path)
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{
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int i = path.length() - 1;
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while (i >= 0)
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{
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if (path[i] == '/' || path[i] == '\\')
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return i;
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i--;
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}
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return -1;
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}
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std::string GetAssetPath(std::string configpath, std::string ext)
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{
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if (configpath.empty())
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configpath = BaseROMDir;
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for (;;)
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{
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int i = configpath.length() - 1;
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if (configpath[i] == '/' || configpath[i] == '\\')
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configpath = configpath.substr(0, i);
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else
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break;
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}
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if (!configpath.empty())
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configpath += "/";
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return configpath + BaseAssetName + ext;
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}
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QString VerifyDSBIOS()
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{
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FILE* f;
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long len;
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f = Platform::OpenLocalFile(Config::BIOS9Path, "rb");
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if (!f) return "DS ARM9 BIOS was not found or could not be accessed. Check your emu settings.";
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fseek(f, 0, SEEK_END);
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len = ftell(f);
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if (len != 0x1000)
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{
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fclose(f);
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return "DS ARM9 BIOS is not a valid BIOS dump.";
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}
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fclose(f);
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f = Platform::OpenLocalFile(Config::BIOS7Path, "rb");
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if (!f) return "DS ARM7 BIOS was not found or could not be accessed. Check your emu settings.";
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fseek(f, 0, SEEK_END);
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len = ftell(f);
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if (len != 0x4000)
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{
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fclose(f);
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return "DS ARM7 BIOS is not a valid BIOS dump.";
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}
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fclose(f);
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return "";
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}
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QString VerifyDSiBIOS()
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{
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FILE* f;
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long len;
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// TODO: check the first 32 bytes
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f = Platform::OpenLocalFile(Config::DSiBIOS9Path, "rb");
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if (!f) return "DSi ARM9 BIOS was not found or could not be accessed. Check your emu settings.";
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fseek(f, 0, SEEK_END);
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len = ftell(f);
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if (len != 0x10000)
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{
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fclose(f);
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return "DSi ARM9 BIOS is not a valid BIOS dump.";
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}
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fclose(f);
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f = Platform::OpenLocalFile(Config::DSiBIOS7Path, "rb");
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if (!f) return "DSi ARM7 BIOS was not found or could not be accessed. Check your emu settings.";
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fseek(f, 0, SEEK_END);
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len = ftell(f);
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if (len != 0x10000)
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{
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fclose(f);
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return "DSi ARM7 BIOS is not a valid BIOS dump.";
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}
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fclose(f);
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return "";
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}
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QString VerifyDSFirmware()
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{
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FILE* f;
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long len;
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f = Platform::OpenLocalFile(Config::FirmwarePath, "rb");
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if (!f) return "DS firmware was not found or could not be accessed. Check your emu settings.";
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fseek(f, 0, SEEK_END);
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len = ftell(f);
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if (len == 0x20000)
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{
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// 128KB firmware, not bootable
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fclose(f);
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// TODO report it somehow? detect in core?
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return "";
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}
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else if (len != 0x40000 && len != 0x80000)
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{
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fclose(f);
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return "DS firmware is not a valid firmware dump.";
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}
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fclose(f);
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return "";
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}
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QString VerifyDSiFirmware()
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{
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FILE* f;
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long len;
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f = Platform::OpenLocalFile(Config::DSiFirmwarePath, "rb");
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if (!f) return "DSi firmware was not found or could not be accessed. Check your emu settings.";
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fseek(f, 0, SEEK_END);
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len = ftell(f);
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if (len != 0x20000)
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{
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// not 128KB
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// TODO: check whether those work
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fclose(f);
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return "DSi firmware is not a valid firmware dump.";
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}
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fclose(f);
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return "";
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}
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QString VerifyDSiNAND()
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{
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FILE* f;
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long len;
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f = Platform::OpenLocalFile(Config::DSiNANDPath, "r+b");
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if (!f) return "DSi NAND was not found or could not be accessed. Check your emu settings.";
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// TODO: some basic checks
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// check that it has the nocash footer, and all
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fclose(f);
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return "";
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}
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QString VerifySetup()
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{
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QString res;
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if (Config::ExternalBIOSEnable)
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{
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res = VerifyDSBIOS();
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if (!res.isEmpty()) return res;
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}
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if (Config::ConsoleType == 1)
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{
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res = VerifyDSiBIOS();
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if (!res.isEmpty()) return res;
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if (Config::ExternalBIOSEnable)
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{
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res = VerifyDSiFirmware();
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if (!res.isEmpty()) return res;
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}
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res = VerifyDSiNAND();
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if (!res.isEmpty()) return res;
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}
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else
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{
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if (Config::ExternalBIOSEnable)
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{
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res = VerifyDSFirmware();
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if (!res.isEmpty()) return res;
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}
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}
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return "";
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}
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void Reset()
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{
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NDS::SetConsoleType(Config::ConsoleType);
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NDS::Reset();
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if (!BaseROMName.empty())
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{
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if (Config::DirectBoot || NDS::NeedsDirectBoot())
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{
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NDS::SetupDirectBoot(BaseROMName);
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}
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}
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}
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bool LoadBIOS()
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{
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NDS::SetConsoleType(Config::ConsoleType);
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if (NDS::NeedsDirectBoot())
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return false;
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if (NDSSave) delete NDSSave;
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NDSSave = nullptr;
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FullROMPath = "";
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BaseROMDir = "";
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BaseROMName = "";
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BaseAssetName = "";
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NDS::Reset();
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return true;
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}
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bool LoadROM(QStringList filepath, bool reset)
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{
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if (filepath.empty()) return false;
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u8* filedata;
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u32 filelen;
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std::string fullpath;
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std::string basepath;
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std::string romname;
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int num = filepath.count();
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if (num == 1)
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{
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// regular file
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std::string filename = filepath.at(0).toStdString();
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FILE* f = Platform::OpenFile(filename, "rb", true);
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if (!f) return false;
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fseek(f, 0, SEEK_END);
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long len = ftell(f);
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if (len > 0x40000000)
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{
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fclose(f);
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return false;
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}
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fseek(f, 0, SEEK_SET);
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filedata = new u8[len];
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size_t nread = fread(filedata, (size_t)len, 1, f);
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if (nread != 1)
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{
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fclose(f);
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delete[] filedata;
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return false;
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}
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fclose(f);
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filelen = (u32)len;
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fullpath = filename;
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int pos = LastSep(filename);
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basepath = filename.substr(0, pos);
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romname = filename.substr(pos+1);
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}
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#ifdef ARCHIVE_SUPPORT_ENABLED
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else if (num == 2)
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{
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// file inside archive
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u32 lenread = Archive::ExtractFileFromArchive(filepath.at(0), filepath.at(1), &filedata, &filelen);
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if (lenread < 0) return false;
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if (!filedata) return false;
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if (lenread != filelen)
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{
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delete[] filedata;
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return false;
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}
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std::string std_archivepath = filepath.at(0).toStdString();
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basepath = std_archivepath.substr(0, LastSep(std_archivepath));
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std::string std_romname = filepath.at(1).toStdString();
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romname = std_romname.substr(LastSep(std_romname)+1);
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fullpath = std_archivepath + "//" + std_romname;
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}
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#endif
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else
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return false;
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if (NDSSave) delete NDSSave;
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NDSSave = nullptr;
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FullROMPath = fullpath;
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BaseROMDir = basepath;
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BaseROMName = romname;
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BaseAssetName = romname.substr(0, romname.rfind('.'));
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if (reset)
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{
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NDS::SetConsoleType(Config::ConsoleType);
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NDS::Reset();
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}
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u32 savelen = 0;
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u8* savedata = nullptr;
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std::string savname = GetAssetPath(Config::SaveFilePath, ".sav");
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FILE* sav = Platform::OpenFile(savname, "rb", true);
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if (sav)
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{
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fseek(sav, 0, SEEK_END);
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savelen = (u32)ftell(sav);
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fseek(sav, 0, SEEK_SET);
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savedata = new u8[savelen];
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fread(savedata, savelen, 1, sav);
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fclose(sav);
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}
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bool res = NDS::LoadCart(filedata, filelen, savedata, savelen);
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if (res && reset)
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{
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if (Config::DirectBoot || NDS::NeedsDirectBoot())
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{
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NDS::SetupDirectBoot(romname);
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}
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}
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if (res)
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{
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NDSSave = new SaveManager(savname);
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}
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delete[] savedata;
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delete[] filedata;
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return res;
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}
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void EjectCart()
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{
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if (NDSSave) delete NDSSave;
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NDSSave = nullptr;
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NDS::EjectCart();
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FullROMPath = "";
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BaseROMDir = "";
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BaseROMName = "";
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BaseAssetName = "";
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}
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QString CartLabel()
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{
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if (BaseROMName.empty())
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return "(none)";
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QString ret = QString::fromStdString(BaseROMName);
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int maxlen = 32;
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if (ret.length() > maxlen)
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ret = ret.left(maxlen-6) + "..." + ret.right(3);
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return ret;
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}
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void LoadGBAAddon(int type)
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{
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NDS::LoadGBAAddon(type);
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GBACartType = type;
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}
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// PLACEHOLDER
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QString GBACartLabel()
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{
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switch (GBACartType)
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{
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case 0:
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return "it's a ROM (TODO)";
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case NDS::GBAAddon_RAMExpansion:
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return "Memory expansion";
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}
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return "(none)";
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}
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void ROMIcon(u8 (&data)[512], u16 (&palette)[16], u32* iconRef)
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{
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int index = 0;
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for (int i = 0; i < 4; i++)
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{
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for (int j = 0; j < 4; j++)
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{
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for (int k = 0; k < 8; k++)
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{
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for (int l = 0; l < 8; l++)
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{
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u8 pal_index = index % 2 ? data[index/2] >> 4 : data[index/2] & 0x0F;
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u8 r = ((palette[pal_index] >> 0) & 0x1F) * 255 / 31;
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u8 g = ((palette[pal_index] >> 5) & 0x1F) * 255 / 31;
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u8 b = ((palette[pal_index] >> 10) & 0x1F) * 255 / 31;
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u8 a = pal_index ? 255: 0;
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u32* row = &iconRef[256 * i + 32 * k + 8 * j];
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row[l] = (a << 24) | (r << 16) | (g << 8) | b;
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index++;
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}
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}
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}
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}
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}
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#define SEQ_FLIPV(i) ((i & 0b1000000000000000) >> 15)
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#define SEQ_FLIPH(i) ((i & 0b0100000000000000) >> 14)
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#define SEQ_PAL(i) ((i & 0b0011100000000000) >> 11)
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#define SEQ_BMP(i) ((i & 0b0000011100000000) >> 8)
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#define SEQ_DUR(i) ((i & 0b0000000011111111) >> 0)
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void AnimatedROMIcon(u8 (&data)[8][512], u16 (&palette)[8][16], u16 (&sequence)[64], u32 (&animatedTexRef)[32 * 32 * 64], std::vector<int> &animatedSequenceRef)
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{
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for (int i = 0; i < 64; i++)
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{
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if (!sequence[i])
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break;
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u32* frame = &animatedTexRef[32 * 32 * i];
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ROMIcon(data[SEQ_BMP(sequence[i])], palette[SEQ_PAL(sequence[i])], frame);
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if (SEQ_FLIPH(sequence[i]))
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{
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for (int x = 0; x < 32; x++)
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{
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for (int y = 0; y < 32/2; y++)
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{
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std::swap(frame[x * 32 + y], frame[x * 32 + (32 - 1 - y)]);
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}
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}
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}
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if (SEQ_FLIPV(sequence[i]))
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{
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for (int x = 0; x < 32/2; x++)
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{
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for (int y = 0; y < 32; y++)
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{
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std::swap(frame[x * 32 + y], frame[(32 - 1 - x) * 32 + y]);
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}
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}
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}
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for (int j = 0; j < SEQ_DUR(sequence[i]); j++)
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animatedSequenceRef.push_back(i);
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}
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}
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||||
}
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