73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include <vector>
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#include "common/common_types.h"
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#include "core/loader/loader.h"
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#include "core/loader/smdh.h"
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#include "video_core/utils.h"
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namespace Loader {
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bool IsValidSMDH(const std::vector<u8>& smdh_data) {
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if (smdh_data.size() < sizeof(Loader::SMDH))
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return false;
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u32 magic;
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memcpy(&magic, smdh_data.data(), sizeof(u32));
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return Loader::MakeMagic('S', 'M', 'D', 'H') == magic;
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}
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std::vector<u16> SMDH::GetIcon(bool large) const {
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u32 size;
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const u8* icon_data;
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if (large) {
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size = 48;
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icon_data = large_icon.data();
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} else {
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size = 24;
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icon_data = small_icon.data();
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}
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std::vector<u16> icon(size * size);
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for (u32 x = 0; x < size; ++x) {
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for (u32 y = 0; y < size; ++y) {
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u32 coarse_y = y & ~7;
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const u8* pixel = icon_data + VideoCore::GetMortonOffset(x, y, 2) + coarse_y * size * 2;
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icon[x + size * y] = (pixel[1] << 8) + pixel[0];
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}
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}
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return icon;
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}
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std::array<u16, 0x40> SMDH::GetShortTitle(Loader::SMDH::TitleLanguage language) const {
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return titles[static_cast<int>(language)].short_title;
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}
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SMDH::GameRegion SMDH::GetRegion() const {
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if (region_lockout == 0x7fffffff) {
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return GameRegion::RegionFree;
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}
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constexpr u32 taiwan_and_china =
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(1 << static_cast<u32>(GameRegion::Taiwan)) | (1 << static_cast<u32>(GameRegion::China));
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if (region_lockout == taiwan_and_china) {
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return GameRegion::Taiwan;
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} // hack to fix TWN games that support CHN consoles
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constexpr u32 REGION_COUNT = 7;
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u32 region = 0;
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for (; region < REGION_COUNT; ++region) {
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if (region_lockout & (1 << region)) {
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return static_cast<GameRegion>(region);
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}
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}
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return GameRegion::Invalid;
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}
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} // namespace Loader
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