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nsyshid: Skylander emulation fixes and code cleanup (#1244)

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Joshua de Reeper 2024-06-28 14:44:49 +01:00 • committed by GitHub
parent 93b58ae6f7
commit aefbb918be
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GPG key ID: B5690EEEBB952194
4 changed files with 101 additions and 79 deletions
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79
src/Cafe/OS/libs/nsyshid/Skylander.cpp
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@ -1,5 +1,7 @@
#include "Skylander.h"
#include <random>
#include "nsyshid.h"
#include "Backend.h"
@ -9,8 +11,8 @@ namespace nsyshid
{
SkylanderUSB g_skyportal;
const std::map<const std::pair<const uint16, const uint16>, const std::string>
listSkylanders = {
const std::map<const std::pair<const uint16, const uint16>, const char*>
s_listSkylanders = {
{{0, 0x0000}, "Whirlwind"},
{{0, 0x1801}, "Series 2 Whirlwind"},
{{0, 0x1C02}, "Polar Whirlwind"},
@ -845,6 +847,49 @@ namespace nsyshid
return false;
}
bool SkylanderUSB::CreateSkylander(fs::path pathName, uint16 skyId, uint16 skyVar)
{
FileStream* skyFile(FileStream::createFile2(pathName));
if (!skyFile)
{
return false;
}
std::array<uint8, BLOCK_COUNT * BLOCK_SIZE> data{};
uint32 first_block = 0x690F0F0F;
uint32 other_blocks = 0x69080F7F;
memcpy(&data[0x36], &first_block, sizeof(first_block));
for (size_t index = 1; index < 0x10; index++)
{
memcpy(&data[(index * 0x40) + 0x36], &other_blocks, sizeof(other_blocks));
}
std::random_device rd;
std::mt19937 mt(rd());
std::uniform_int_distribution<int> dist(0, 255);
data[0] = dist(mt);
data[1] = dist(mt);
data[2] = dist(mt);
data[3] = dist(mt);
data[4] = data[0] ^ data[1] ^ data[2] ^ data[3];
data[5] = 0x81;
data[6] = 0x01;
data[7] = 0x0F;
memcpy(&data[0x10], &skyId, sizeof(skyId));
memcpy(&data[0x1C], &skyVar, sizeof(skyVar));
uint16 crc = nsyshid::g_skyportal.SkylanderCRC16(0xFFFF, data.data(), 0x1E);
memcpy(&data[0x1E], &crc, sizeof(crc));
skyFile->writeData(data.data(), data.size());
delete skyFile;
return true;
}
void SkylanderUSB::QueryBlock(uint8 skyNum, uint8 block, uint8* replyBuf)
{
std::lock_guard lock(m_skyMutex);
@ -865,7 +910,7 @@ namespace nsyshid
}
void SkylanderUSB::WriteBlock(uint8 skyNum, uint8 block,
const uint8* toWriteBuf, uint8* replyBuf)
const uint8* toWriteBuf, uint8* replyBuf)
{
std::lock_guard lock(m_skyMutex);
@ -919,21 +964,39 @@ namespace nsyshid
status |= s.status;
}
interruptResponse = {0x53, 0x00, 0x00, 0x00, 0x00, m_interruptCounter++,
active, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00};
active, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00};
memcpy(&interruptResponse[1], &status, sizeof(status));
}
return interruptResponse;
}
std::string SkylanderUSB::FindSkylander(uint16 skyId, uint16 skyVar)
{
for (const auto& it : GetListSkylanders())
{
if(it.first.first == skyId && it.first.second == skyVar)
{
return it.second;
}
}
return fmt::format("Unknown ({} {})", skyId, skyVar);
}
std::map<const std::pair<const uint16, const uint16>, const char*> SkylanderUSB::GetListSkylanders()
{
return s_listSkylanders;
}
void SkylanderUSB::Skylander::Save()
{
if (!skyFile)
return;
skyFile->SetPosition(0);
skyFile->writeData(data.data(), data.size());
}
} // namespace nsyshid