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jak-project/game/kernel/kmemcard.cpp
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ManDude 08d701bb26 overlapping memcpy -> memmove (#1342)
2022-04-29 20:07:58 -04:00

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/*!
* @file kmemcard.cpp
* Memory card interface. Very messy code. Most of it is commented out now, as we've switched away
* from memory cards to just raw saves.
*/
#include <cstdio>
#include <cstring>
#include <array>
#include "third-party/fmt/core.h"
#include "game/sce/sif_ee.h"
#include "game/sce/sif_ee_memcard.h"
#include "kmemcard.h"
#include "game/kernel/kdgo.h"
#include "game/common/ramdisk_rpc_types.h"
#include "game/kernel/fileio.h"
#include "common/util/FileUtil.h"
#include "common/util/Timer.h"
#include "common/util/Assert.h"
static constexpr bool memcard_debug = false;
using McCallbackFunc = void (*)(s32);
McCallbackFunc callback;
// static s32 next;
static s32 language;
static MemoryCardOperation op;
// static MemoryCard mc[2];
// instead of two memory cards we just simulate the 4 save files (8 banks).
static MemoryCardFile mc_files[4];
// keep track of latest file selected. this is only used in an auto-save mode thats not used
static int mc_last_file = -1;
// static RPC_Ramdisk_LoadCmd ramdisk_cmd;
// static ee::sceMcTblGetDir dirent;
// a random value we will use as the memory card "handle" for the pc port, which has no memcards.
constexpr u32 PC_MEM_CARD_HANDLE = 0x6C616F67;
constexpr u32 MEM_CARD_MAGIC = 0x12345678;
struct McHeader {
u32 save_count;
u32 checksum;
u32 magic;
u8 preview_data[64];
u8 data[944];
u32 unk1_repeated;
};
static_assert(sizeof(McHeader) == 0x400, "McHeader size");
constexpr s32 BANK_TOTAL_SIZE = BANK_SIZE + sizeof(McHeader) * 2;
static McHeader header;
// these are the return value for sceMcGetInfo.
static s32 p1, p2, p3, p4;
using namespace ee;
// void cb_reprobe_format(s32);
// void cb_format_complete(s32);
// void cb_unformat(s32);
// void cb_reprobe_createfile(s32);
// void cb_wait_for_ramdisk(s32);
// void cb_wait_for_ramdisk_load(s32);
// void cb_createfile_erasing(s32);
// void cb_createdir(s32);
// void cb_createdfile(s32);
// void cb_writtenfile(s32);
// void cb_closedfile(s32);
// void cb_reprobe_save(s32);
// void cb_reprobe_load(s32);
// void cb_probe(s32);
// void cb_reprobe(s32);
// void cb_getdir(s32);
// void cb_check_open(s32);
// void cb_check_read(s32);
// void cb_check_close(s32);
// void cb_openedsave(s32);
// void cb_savedheader(s32);
// void cb_saveddata(s32);
// void cb_savedfooter(s32);
// void cb_closedsave(s32);
// void cb_openedload(s32);
// void cb_readload(s32);
// void cb_closedload(s32);
template <typename... Args>
void mc_print(const std::string& str, Args&&... args) {
if (memcard_debug) {
fmt::print("[MC] ");
if (!str.empty() && str.back() == '\n') {
fmt::print(str, std::forward<Args>(args)...);
} else {
fmt::print(str + '\n', std::forward<Args>(args)...);
}
}
}
const char* filename[12] = {
"BASCUS-97124AYBABTU!", "BASCUS-97124AYBABTU!/icon.sys",
"BASCUS-97124AYBABTU!/icon.ico", "BASCUS-97124AYBABTU!/BASCUS-97124AYBABTU!",
"BASCUS-97124AYBABTU!/bank0.bin", "BASCUS-97124AYBABTU!/bank1.bin",
"BASCUS-97124AYBABTU!/bank2.bin", "BASCUS-97124AYBABTU!/bank3.bin",
"BASCUS-97124AYBABTU!/bank4.bin", "BASCUS-97124AYBABTU!/bank5.bin",
"BASCUS-97124AYBABTU!/bank6.bin", "BASCUS-97124AYBABTU!/bank7.bin"};
void kmemcard_init_globals() {
// next = 0;
language = 0;
op = {};
// mc[0] = {};
// mc[1] = {};
mc_files[0] = {};
mc_files[1] = {};
mc_files[2] = {};
mc_files[3] = {};
callback = nullptr;
p1 = 0;
p2 = 0;
p3 = 0;
p4 = 0;
// memset(&dirent, 0, sizeof(sceMcTblGetDir));
memset(&header, 0, sizeof(McHeader));
}
/*!
* Get a new memory card handle.
* Will never return 0.
* A handle is a unique integer that can be passed up to the GOAL game code and represents a
* specific memory card. If the card is removed, the handle will become invalid.
*/
// s32 new_mc_handle() {
// s32 handle = next++;
//
// // if you wrap around, it avoids the zero handle.
// // it doesn't seem like you will need billions of memory card handles
// if (handle == 0) {
// handle = next++;
// }
// return handle;
//}
/*!
* A questionable checksum used on memory card data.
*/
u32 mc_checksum(Ptr<u8> data, s32 size) {
if (size < 0) {
size += 3;
}
u32 result = 0;
u32* data_u32 = (u32*)data.c();
for (s32 i = 0; i < size / 4; i++) {
result = result << 1 ^ (s32)result >> 0x1f ^ data_u32[i] ^ MEM_CARD_MAGIC;
}
return result ^ 0xedd1e666;
}
/*!
* Get the slot for a handle. The card must be in the given state.
* Return -1 if it fails.
* There are no slots in the port. This function should not be used.
*/
// s32 handle_to_slot(u32 handle, MemoryCardState state) {
// if (mc[0].state == state && mc[0].handle == handle) {
// return 0;
// }
// if (mc[1].state == state && mc[0].handle == handle) {
// return 1;
// } else {
// return -1;
// }
//}
/*!
* PC port function that returns whether a given bank ID's file exists or not.
*/
bool file_is_present(int id, int bank = 0) {
auto bankname = file_util::get_user_memcard_dir() / filename[4 + id * 2 + bank];
if (!std::filesystem::exists(bankname)) {
// file doesn't exist...
return false;
}
// avoid file check tbh. there shouldn't be any saves with a save count of zero anyway.
// the file check is quite slow and ultimately not very useful.
return true;
/*
// file exists. but let's see if it's an empty one.
// this prevents the game from reading a bank but classifying it as corrupt data.
// which a file full of zeros logically is.
auto fp = fopen(bankname.c_str(), "rb");
// we can actually just check if the save count is over zero...
u32 savecount = 0;
fread(&savecount, sizeof(u32), 1, fp);
fclose(fp);
return savecount > 0;
*/
}
/*!
* PC port function to set memcard info. We don't use a memory card, instead just the raw savefiles.
*/
void pc_update_card() {
// int highest_save_count = 0;
mc_last_file = -1;
for (s32 file = 0; file < 4; file++) {
auto bankname = file_util::get_user_memcard_dir() / filename[4 + file * 2];
mc_files[file].present = file_is_present(file);
if (mc_files[file].present) {
auto bankdata = file_util::read_binary_file(bankname.string());
auto header1 = reinterpret_cast<McHeader*>(bankdata.data());
if (file_is_present(file, 1)) {
auto bankname2 = file_util::get_user_memcard_dir() / filename[1 + 4 + file * 2];
auto bankdata2 = file_util::read_binary_file(bankname2.string());
auto header2 = reinterpret_cast<McHeader*>(bankdata.data());
if (header2->save_count > header1->save_count) {
// use most recent bank here.
header1 = header2;
}
// banks chosen and checked. copy data and set info.
mc_files[file].last_saved_bank = header1 == header2;
mc_files[file].most_recent_save_count = header1->save_count;
memcpy(mc_files[file].data, header1->preview_data, 64);
} else {
// banks chosen and checked. copy data and set info.
mc_files[file].last_saved_bank = 0;
mc_files[file].most_recent_save_count = header1->save_count;
memcpy(mc_files[file].data, header1->preview_data, 64);
}
// if (mc_files[file].most_recent_save_count > highest_save_count) {
// mc_last_file = file;
// highest_save_count = mc_files[file].most_recent_save_count;
// }
}
}
}
/*!
* PC port function to save a file. This does the whole saving at once, synchronously.
*/
void pc_game_save_synch() {
Timer mc_timer;
mc_timer.start();
pc_update_card();
auto path = file_util::get_user_memcard_dir() / filename[0];
file_util::create_dir_if_needed_for_file(path.string());
// cd_reprobe_save //
if (!file_is_present(op.param2)) {
mc_print("reprobe save: first time!");
// first time saving!
p2 = 0; // save count 0
p4 = 0; // first bank for file
} else {
p2 = mc_files[op.param2].most_recent_save_count + 1; // increment save count
p4 = mc_files[op.param2].last_saved_bank ^ 1; // use the other bank
}
// reserve 0 as "I never saved" and use 1 instead.
if (p2 == 0) {
p2 = 1;
}
// file*2 + p4 is the bank (2 banks per file, p4 is 0 or 1 to select the bank)
// 4 is the first bank file
mc_print("open {} for saving", filename[op.param2 * 2 + 4 + p4]);
auto save_path = file_util::get_user_memcard_dir() / filename[op.param2 * 2 + 4 + p4];
file_util::create_dir_if_needed_for_file(save_path.string());
auto fd = fopen(save_path.string().c_str(), "wb");
fmt::print("[MC] synchronous save file open took {:.2f}ms\n", mc_timer.getMs());
if (fd) {
// cb_openedsave //
mc_print("save file opened, writing header...");
memset(&header, 0, sizeof(McHeader));
header.save_count = p2;
header.checksum = mc_checksum(op.data_ptr, BANK_SIZE);
header.magic = MEM_CARD_MAGIC;
header.unk1_repeated = p2;
memcpy(header.preview_data, op.data_ptr2.c(), 64);
if (fwrite(&header, sizeof(McHeader), 1, fd) == 1) {
// cb_savedheader //
mc_print("save file writing main data");
if (fwrite(op.data_ptr.c(), BANK_SIZE, 1, fd) == 1) {
// cb_saveddata //
mc_print("save file writing footer");
if (fwrite(&header, sizeof(McHeader), 1, fd) == 1) {
// cb_savedfooter //
if (fclose(fd) == 0) {
// cb_closedsave //
mc_print("All done with saving!!");
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::OK;
mc_files[op.param2].present = 1;
mc_files[op.param2].most_recent_save_count = p2;
mc_files[op.param2].last_saved_bank = p4;
memcpy(mc_files[op.param2].data, op.data_ptr2.c(), 64);
mc_last_file = op.param2;
} else {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
} else {
fclose(fd);
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
} else {
fclose(fd);
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
} else {
fclose(fd);
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
} else {
fmt::print("[MC] Error opening file, errno - {}", errno);
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
fmt::print("[MC] synchronous save took {:.2f}ms\n", mc_timer.getMs());
}
void pc_game_load_open_file(FILE* fd) {
if (fd) {
// cb_openedload //
size_t read_size = BANK_TOTAL_SIZE;
mc_print("reading save file...");
if (fread(op.data_ptr.c() + p2 * read_size, read_size, 1, fd) == 1) {
// cb_readload //
mc_print("closing save file..");
if (fclose(fd) == 0) {
// cb_closedload //
p2++;
// added : check if aux bank exists
auto new_bankname = file_util::get_user_memcard_dir() / filename[op.param2 * 2 + 4 + p2];
bool aux_exists = std::filesystem::exists(new_bankname);
if (p2 < 2 && aux_exists) {
mc_print("reading next save bank {}", filename[op.param2 * 2 + 4 + p2]);
auto new_fd = fopen(new_bankname.string().c_str(), "rb");
pc_game_load_open_file(new_fd);
} else {
// let's verify the data.
McHeader* headers[2];
McHeader* footers[2];
bool ok[2];
headers[0] = (McHeader*)(op.data_ptr.c());
footers[0] = (McHeader*)(op.data_ptr.c() + sizeof(McHeader) + BANK_SIZE);
headers[1] = (McHeader*)(op.data_ptr.c() + BANK_TOTAL_SIZE);
footers[1] =
(McHeader*)(op.data_ptr.c() + BANK_TOTAL_SIZE + sizeof(McHeader) + BANK_SIZE);
static_assert(BANK_TOTAL_SIZE * 2 == 0x21000, "save layout");
ok[0] = true;
ok[1] = aux_exists;
for (int idx = 0; idx < 2; idx++) {
u32 expected_save_count = headers[idx]->save_count;
if (headers[idx]->unk1_repeated == expected_save_count &&
footers[idx]->save_count == expected_save_count &&
footers[idx]->unk1_repeated == expected_save_count) {
// save count is okay!
if (headers[idx]->magic == MEM_CARD_MAGIC && footers[idx]->magic == MEM_CARD_MAGIC) {
// magic numbers okay!
if (headers[idx]->checksum == footers[idx]->checksum) {
// checksum
auto expected_checksum = headers[idx]->checksum;
if (mc_checksum(make_u8_ptr(headers[idx] + 1), BANK_SIZE) != expected_checksum) {
mc_print("failed checksum");
ok[idx] = false;
}
} else {
mc_print("corrupted checksum");
ok[idx] = false;
}
} else {
mc_print("bad magic");
ok[idx] = false;
}
} else {
mc_print("bad save count");
ok[idx] = false;
}
}
mc_print("checking loaded banks");
//
if (!ok[0] && !ok[1]) {
// no good data.
if (headers[0]->save_count == 0 && headers[0]->checksum == 0 &&
headers[0]->magic == 0 && headers[0]->unk1_repeated == 0 &&
headers[1]->save_count == 0 && headers[1]->checksum == 0 &&
headers[1]->magic == 0 && headers[1]->unk1_repeated == 0) {
// this is a fresh file that you tried to load from...
mc_print("new game result");
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::NEW_GAME;
mc_last_file = op.param2;
} else {
mc_print("corrupted data");
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::READ_ERROR;
}
} else {
// pick the bank
int bank = 0;
if (!ok[0] || !ok[1]) {
if (ok[1]) {
bank = 1;
}
} else {
bank = headers[0]->save_count <= headers[1]->save_count;
}
mc_print(fmt::format("loading bank {}", bank));
u32 current_save_count = headers[bank]->save_count;
memmove(op.data_ptr.c(), op.data_ptr.c() + bank * BANK_TOTAL_SIZE + sizeof(McHeader),
BANK_SIZE);
mc_last_file = op.param2;
mc_files[op.param2].most_recent_save_count = current_save_count;
mc_files[op.param2].last_saved_bank = bank;
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::OK;
mc_print("load succeeded");
}
}
} else {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
} else {
fclose(fd);
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
} else {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
}
/*!
* PC port function to load a file. This does the whole loading at once, synchronously.
*/
void pc_game_load_synch() {
Timer mc_timer;
mc_timer.start();
pc_update_card();
// cb_reprobe_load //
p2 = 0;
mc_print("opening save file {}", filename[op.param2 * 2 + 4]);
auto path = file_util::get_user_memcard_dir() / filename[op.param2 * 2 + 4];
auto fd = fopen(path.string().c_str(), "rb");
pc_game_load_open_file(fd);
fmt::print("[MC] synchronous load took {:.2f}ms\n", mc_timer.getMs());
}
/*!
* Run the Memory Card state machine. This is called once per frame in GOAL.
* It:
* - does nothing if there is an in-progress memory card operation
* - if async memory card functions are done, runs their callbacks
* - if there is a requested operation, starts running sony functions.
* - if there is none of the above, and unknown cards, finds out about them.
* - every now and then, recheck cards.
*/
void MC_run() {
// if we have an in-progress operation, it will have set a callback.
if (callback) {
s32 sony_cmd, sony_status;
// check the status
s32 status = sceMcSync(1, &sony_cmd, &sony_status);
McCallbackFunc callback_for_sync = callback;
if (status == sceMcExecRun) {
// busy, return.
return;
}
if (status == sceMcExecFinish) {
// sony function is done. do the callback.
callback = nullptr;
(*callback_for_sync)(sony_status);
} else {
// sony function is done, but failed.
callback = nullptr;
(*callback_for_sync)(0);
}
if (callback) {
// if we got another callback, it means there's another op started by the prev callback.
// and this case, we want to wait for that operation to finish.
return;
}
}
// if we got here, there is no in-progress sony function. So start the next one, if we should
if (op.operation == MemoryCardOperationKind::FORMAT) {
// format memory card. Not used in PC port, so lets move on.
return;
/*
mc_print("begin format operation");
// grab the slot. should be open, but not formatted
p1 = handle_to_slot(op.param, MemoryCardState::OPEN_BUT_UNFORMATTED);
if (p1 == -1) {
// no slot in the right state.
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::BAD_HANDLE;
} else {
// do a getInfo
s32 info_result = sceMcGetInfo(p1, 0, &p2, &p3, &p4);
if (info_result == sceMcResSucceed) {
callback = cb_reprobe_format;
}
// allow some number of errors.
op.retry_count--;
if (op.retry_count == 0) {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
} */
} else if (op.operation == MemoryCardOperationKind::UNFORMAT) {
// unformat memory card.
return;
/*
mc_print("begin unformat operation");
p1 = handle_to_slot(op.param, MemoryCardState::FORMATTED);
if (p1 == -1) {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::BAD_HANDLE;
} else {
s32 rv = sceMcUnformat(p1, 0);
if (rv == sceMcResSucceed) {
callback = cb_unformat;
}
op.retry_count--;
if (op.retry_count == 0) {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
}
*/
} else if (op.operation == MemoryCardOperationKind::CREATE_FILE) {
// create the game file.
// there's no cards, keep in mind.
return;
/*
mc_print("begin create file operation");
p1 = handle_to_slot(op.param, MemoryCardState::FORMATTED);
if (p1 == -1) {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::BAD_HANDLE;
} else {
s32 info_result = sceMcGetInfo(p1, 0, &p2, &p3, &p4);
if (info_result == sceMcResSucceed) {
callback = cb_reprobe_createfile;
}
// allow some number of errors.
op.retry_count--;
if (op.retry_count == 0) {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
} */
} else if (op.operation == MemoryCardOperationKind::SAVE) {
// write game save.
// there's no cards, keep in mind.
pc_game_save_synch();
// allow some number of errors.
op.retry_count--;
if (op.retry_count == 0) {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
// p1 = handle_to_slot(op.param, MemoryCardState::FORMATTED);
// if (p1 == -1) {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::BAD_HANDLE;
//} else {
// s32 info_result = sceMcGetInfo(p1, 0, &p2, &p3, &p4);
// if (info_result == sceMcResSucceed) {
// callback = cb_reprobe_save;
// }
// // allow some number of errors.
// op.retry_count--;
// if (op.retry_count == 0) {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
//}
} else if (op.operation == MemoryCardOperationKind::LOAD) {
// load game save.
// potato.
if (!file_is_present(op.param2)) {
// tried to load, but there's no save data in the file.
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::NO_MEMORY;
} else {
pc_game_load_synch();
op.retry_count--;
if (op.retry_count == 0) {
op.operation = MemoryCardOperationKind::NO_OP;
op.result = McStatusCode::INTERNAL_ERROR;
}
}
// mc_print("begin load operation");
// p1 = handle_to_slot(op.param, MemoryCardState::FORMATTED);
// if (p1 == -1) {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::BAD_HANDLE;
//} else {
// if (!mc[p1].files[op.param2].present) {
// // tried to load, but there's no save data in the file.
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::NO_MEMORY;
// } else {
// s32 info_result = sceMcGetInfo(p1, 0, &p2, &p3, &p4);
// if (info_result == sceMcResSucceed) {
// callback = cb_reprobe_load;
// }
// op.retry_count--;
// if (op.retry_count == 0) {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
//}
// below here is just doing maintenance to look for new/removed memory cards.
// it's cut from the port. we do not use memory cards. just raw saves.
} /* else if (mc[0].state == MemoryCardState::UNKNOWN) {
mc_print("begin probe operation for slot 0");
// don't know anything about port 0, try and see
p1 = 0;
if (sceMcGetInfo(0, 0, &p2, &p3, &p4) == sceMcResSucceed) {
callback = cb_probe;
}
} else if (mc[1].state == MemoryCardState::UNKNOWN) {
mc_print("begin probe operation for slot 1");
// don't know anything about port 1, try and see
p1 = 1;
if (sceMcGetInfo(1, 0, &p2, &p3, &p4) == sceMcResSucceed) {
callback = cb_probe;
}
} else if (mc[0].state == MemoryCardState::KNOWN) {
if (mc[0].countdown_to_check == 1) {
// we're about to recheck the memory card. If we're only inknown, reset to unknown so we do a
// completely fresh probe instead of a reprobe.
mc[0].state = MemoryCardState::UNKNOWN;
}
} else if (mc[0].countdown_to_check == 1) {
// it's been a while, do a check and see if the memory card is still there.
p1 = 0;
mc[0].countdown_to_check--;
mc_print("begin reprobe operation for slot 0");
if (sceMcGetInfo(0, 0, &p2, &p3, &p4) == sceMcResSucceed) {
callback = cb_reprobe;
}
return;
} else {
// decrement port 0's countdown
mc[0].countdown_to_check--;
// do the same thing for port 1
if (mc[1].state == MemoryCardState::KNOWN) {
mc[1].countdown_to_check--;
if (mc[1].countdown_to_check == 0) {
// hack - will make us do a probe next time we get here.
mc[1].state = MemoryCardState::UNKNOWN;
}
} else {
mc[1].countdown_to_check--;
if (mc[1].countdown_to_check == 0) {
p1 = 1;
mc_print("begin probe operation for slot 0");
if (sceMcGetInfo(1, 0, &p2, &p3, &p4) == sceMcResSucceed) {
callback = cb_reprobe;
}
}
}
}*/
}
/////////////////////////
// Memory Card Functions
/////////////////////////
// These functions are called from GOAL to start memory card operations.
/*!
* Set the language or something.
* Why is this a memory card func?
*/
void MC_set_language(s32 l) {
printf("Language set to %d\n", l);
language = l;
}
/*!
* Set the current memory card operation to FORMAT the given card.
* Doesn't do anything in the port because we don't use memory cards.
*/
u64 MC_format(s32 /*card_idx*/) {
return u64(McStatusCode::OK);
// u64 can_add = op.operation == MemoryCardOperationKind::NO_OP;
// mc_print("requested format");
// if (can_add) {
// mc_print("setting op to format");
// op.operation = MemoryCardOperationKind::FORMAT;
// op.result = McStatusCode::BUSY;
// op.retry_count = 100;
// op.param = card_idx;
//}
// return can_add;
}
/*!
* Set the current memory card operation to UNFORMAT the given card.
* You get the idea.
*/
u64 MC_unformat(s32 /*card_idx*/) {
return u64(McStatusCode::OK);
// u64 can_add = op.operation == MemoryCardOperationKind::NO_OP;
// mc_print("requested unformat");
// if (can_add) {
// mc_print("setting op to unformat");
// op.operation = MemoryCardOperationKind::UNFORMAT;
// op.result = McStatusCode::BUSY;
// op.retry_count = 100;
// op.param = card_idx;
//}
// return can_add;
}
/*!
* Set the current memory card operation to create the save file.
* The data I believe is just an empty buffer used as temporary storage.
*/
u64 MC_createfile(s32 /*param*/, Ptr<u8> /*data*/) {
return u64(McStatusCode::OK);
// u64 can_add = op.operation == MemoryCardOperationKind::NO_OP;
// mc_print("requested createfile");
// if (can_add) {
// mc_print("setting op to create file");
// op.operation = MemoryCardOperationKind::CREATE_FILE;
// op.result = McStatusCode::BUSY;
// op.retry_count = 100;
// op.param = param;
// op.data_ptr = data;
//}
// return can_add;
}
/*!
* Set the current operation to SAVE.
* The "summary data" is data that will be used when previewing save files (number of orbs etc)
* TODO put synchronous call here
*/
u64 MC_save(s32 card_idx, s32 file_idx, Ptr<u8> save_data, Ptr<u8> save_summary_data) {
mc_print("requested save");
u64 can_add = op.operation == MemoryCardOperationKind::NO_OP;
if (can_add) {
mc_print("setting op to save");
op.operation = MemoryCardOperationKind::SAVE;
op.result = McStatusCode::BUSY;
op.retry_count = 100;
op.param = card_idx;
op.param2 = file_idx;
op.data_ptr = save_data;
op.data_ptr2 = save_summary_data;
}
return can_add;
}
/*!
* Set the current operation to LOAD.
* TODO put synchronous call here
*/
u64 MC_load(s32 card_idx, s32 file_idx, Ptr<u8> data) {
mc_print("requested load");
u64 can_add = op.operation == MemoryCardOperationKind::NO_OP;
if (can_add) {
mc_print("setting op to load");
op.operation = MemoryCardOperationKind::LOAD;
op.result = McStatusCode::BUSY;
op.retry_count = 100;
op.param = card_idx;
op.param2 = file_idx;
op.data_ptr = data;
}
return can_add;
}
/*!
* Some sort of test function for memory card stuff.
* This is exported as a GOAL function, but nothing calls it.
*/
void MC_makefile(s32 port, s32 size) {
sceMcMkdir(port, 0, "/BASCUS-00000XXXXXXXX");
// wait for operation to complete
s32 cmd, result, fd;
sceMcSync(0, &cmd, &result);
if (result == sceMcResSucceed || result == sceMcResNoEntry) {
// it worked, or the folder already exists...
// open file
sceMcOpen(port, 0, "/BASCUS-00000XXXXXXXX/BASCUS-00000XXXXXXXX", SCE_CREAT | SCE_WRONLY);
sceMcSync(0, &cmd, &fd);
if (result < 0) {
printf("Can't open file on memcard [%d]\n", result);
} else {
// write some random crap into the memory card.
sceMcWrite(fd, Ptr<u8>(0x1000000).c(), size);
sceMcSync(0, &cmd, &result);
if (result != size) {
printf("Only written %d bytes\n", result);
}
sceMcClose(fd);
sceMcSync(0, &cmd, &result);
}
} else {
printf("Can\'t create garbage folder [%d]\n", result);
}
}
/*!
* Get the result of the currently executing (or most recently executed) command
*/
u32 MC_check_result() {
return (u32)op.result;
}
/*!
* Update the info for the given slot.
* You can call this at any time.
* The slot includes the four save slots (8 banks), and a few other files.
*/
void MC_get_status(s32 slot, Ptr<mc_slot_info> info) {
ASSERT(slot == 0); // no memory cards so only allow "slot 0"!!!
info->handle = 0;
info->known = 0;
info->formatted = 0;
info->initted = 0;
for (s32 i = 0; i < 4; i++) {
info->files[i].present = 0;
}
info->last_file = 0xffffffff;
info->mem_required = SAVE_SIZE;
info->mem_actual = 0;
pc_update_card();
info->known = 1;
info->handle = PC_MEM_CARD_HANDLE;
info->formatted = 1;
info->mem_actual = SAVE_SIZE; // idk TODO does this matter?
info->initted = 1;
// copy over the preview data.
for (s32 file = 0; file < 4; file++) {
info->files[file].present = mc_files[file].present;
for (s32 i = 0; i < 64; i++) { // actually a loop over u32's
info->files[file].data[i] = mc_files[file].data[i];
}
}
info->last_file = mc_last_file;
/*
switch (mc[slot].state) {
case MemoryCardState::KNOWN:
info->known = 1;
break;
case MemoryCardState::OPEN_BUT_UNFORMATTED:
info->known = 1;
info->handle = mc[slot].handle;
break;
case MemoryCardState::FORMATTED:
info->known = 1;
info->handle = mc[slot].handle;
info->formatted = 1;
if (mc[slot].inited == 0) {
info->mem_actual = mc[slot].mem_size;
} else {
info->initted = 1;
// copy over the preview data.
for (s32 file = 0; file < 4; file++) {
info->files[file].present = mc[slot].files[file].present;
for (s32 i = 0; i < 64; i++) { // actually a loop over u32's
info->files[file].data[i] = mc[slot].files[file].data[i];
}
}
info->last_file = mc[slot].last_file;
}
break;
case MemoryCardState::UNKNOWN:
break;
}*/
}
/*!
* Check for an error. Returns true if there is an error and sets op.result as needed
*/
// u64 cb_check(s32 sony_error, McStatusCode goal_error) {
// if (sony_error < 0) {
// // sony thing failed.
// if (sony_error < -9) {
// // memory card gone. reset state
// mc[p1].state = MemoryCardState::UNKNOWN;
// // kill in progress op
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::BAD_HANDLE;
// return 1;
// } else {
// // return the given GOAL error.
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = goal_error;
// return 1;
// }
// }
// return 0;
//}
/*!
* Is this sync-result an error? If so, set status to unknown.
*/
// bool cb_pcheck(s32 sync_result) {
// if (sync_result < 0) {
// mc[p1].state = MemoryCardState::UNKNOWN;
// }
// return sync_result < 0;
//}
/*!
* Callback for sceMcGetInfo for the first time (assumes nothing about the card)
* Cut. We don't use memory cards.
*/
// void cb_probe(s32 sync_result) {
// if (sync_result < -9) {
// // changed card. We have the card, but we don't know anything about it.
// mc[p1].state = MemoryCardState::KNOWN;
// mc[p1].countdown_to_check = 100;
// mc_print("probe: bad sync, trying again in a bit");
// } else {
// // there is a memory card.
// if (p2 == sceMcTypePS2) {
// // it is the right type.
// // create a new handle
// mc[p1].handle = new_mc_handle();
// if (p4 == 0) {
// mc_print("probe: got a card, but it's not formatted");
// // it's not formatted. But open (we have a handle)
// mc[p1].state = MemoryCardState::OPEN_BUT_UNFORMATTED;
// mc[p1].countdown_to_check = 100;
// } else {
// mc_print("probe: got a formatted card, trying getdir");
// // it's formatted. Get the size
// mc[p1].mem_size = p3;
// p2 = 0;
//
// // and get our jak and daxter directory
// if (sceMcGetDir(p1, 0, filename[0], 0, 1, &dirent) == sceMcResSucceed) {
// callback = cb_getdir;
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// }
// }
//
// } else {
// mc_print("probe: bad card type, trying again in a bit");
// mc[p1].state = MemoryCardState::KNOWN;
// mc[p1].countdown_to_check = 100;
// }
// }
//}
/*!
* Callback for sceMcGetDir. This runs again and again to check all files
*/
// void cb_getdir(s32 sync_result) {
// // called after sceMcGetDir
// if (sync_result == 0) {
// // didn't find the jak and daxter dir, or some stuff is missing.
// // call this uninitialized.
// mc[p1].inited = false;
// mc[p1].state = MemoryCardState::FORMATTED;
// mc[p1].countdown_to_check = 100;
// mc[p1].last_file = -1;
// } else if (sync_result == 1) {
// // found whatever we were looking for
// p2++;
// if (p2 == 12) {
// // all done checking for files.
// mc[p1].inited = true;
// mc[p1].countdown_to_check = 100;
// mc[p1].last_file = -1;
// for (int i = 0; i < 4; i++) {
// mc[p1].files[i].present = 0;
// }
//
// // now open file 4, which is the first bank.
// p2 = 4;
// mc_print("opening first bank...");
// if (sceMcOpen(p1, 0, filename[4], 1) == sceMcResSucceed) {
// callback = cb_check_open;
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// }
// } else {
// // still checking files, check the next one.
// mc_print("checking {}", filename[p2]);
// if (sceMcGetDir(p1, 0, filename[p2], 0, 1, &dirent) == sceMcResSucceed) {
// callback = cb_getdir;
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// }
// }
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// }
//}
/*!
* Callback for sceMcOpen for opening bank files.
*/
// void cb_check_open(s32 sync_result) {
// if (!cb_pcheck(sync_result)) {
// p3 = sync_result;
// // read the header.
// mc_print("read header");
// if (sceMcRead(sync_result, &header, sizeof(McHeader)) == sceMcResSucceed) {
// callback = cb_check_read;
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// }
// }
//}
/*!
* Callback for sceMcRead for reading the header of a bank file.
*/
// void cb_check_read(s32 sync_result) {
// if (!cb_pcheck(sync_result)) {
// if (header.save_count != 0 && // we've saved into this bank
// header.magic == MEM_CARD_MAGIC // looks valid
// ) {
// // each file has two banks. so if you corrupt a save, you hopefully have the other bank.
// // get the file that goes with this bank
// s32 file_idx = (p2 - 4) / 2;
// if (mc_files[file_idx].present == 0 || // haven't found any banks for this file
// header.save_count > mc_files[file_idx].most_recent_save_count // newer than prev.
// ) {
// // this is so far our best guess at the right bank to use.
// mc_files[file_idx].present = 1;
// mc_files[file_idx].most_recent_save_count = header.save_count;
// mc_files[file_idx].last_saved_bank = p2 & 1;
// // copy header data (for GOAL to read)
// for (int i = 0; i < 64; i++) {
// mc_files[file_idx].data[i] = header.preview_data[i];
// }
// }
// }
//
// if (sceMcClose(p3) == sceMcResSucceed) {
// // close the file
// callback = cb_check_close;
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// }
// }
//}
/*!
* Callback for closing a file after reading the header
*/
// void cb_check_close(s32 sync_result) {
// if (!cb_pcheck(sync_result)) {
// // next bank.
// p2++;
// if (p2 == 12) {
// // done with banks
// mc[p1].state = MemoryCardState::FORMATTED;
// // and we're done!
// } else {
// // on to the next bank...
// if (sceMcOpen(p1, 0, filename[p2], 1) == sceMcResSucceed) {
// callback = cb_check_open;
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// }
// }
// }
//}
/*!
* Callback for checking on a known memory card. If it is swapped, will reset.
*/
// void cb_reprobe(s32 sync_result) {
// if (sync_result == sceMcResSucceed) {
// // nobody took out the memory card. try again in 100 frames
// mc[p1].countdown_to_check = 100;
// } else {
// // somebody took it out. reset everything!
// mc[p1].state = MemoryCardState::UNKNOWN;
// }
//}
/*!
* Callback for probe before formatting.
*/
// void cb_reprobe_format(s32 sync_result) {
// if (sync_result == sceMcResSucceed) {
// // get info succeeded. we can format.
// s32 format_result = sceMcFormat(p1, 0);
// if (format_result == sceMcResSucceed) {
// callback = cb_format_complete;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else {
// // get info failed. Revert the state to unknown, this will restart everything.
// mc[p1].state = MemoryCardState::UNKNOWN;
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::BAD_HANDLE;
// }
//}
/*!
* Callback for actual formatting operation
*/
// void cb_format_complete(s32 sync_result) {
// if (sync_result == sceMcResSucceed) {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::OK;
// mc[p1].state = MemoryCardState::FORMATTED;
// mc[p1].countdown_to_check = 100;
// mc[p1].inited = 0;
// for (int i = 0; i < 4; i++) {
// mc[p1].files[i].present = 0;
// }
// mc[p1].last_file = -1;
// mc[p1].mem_size = 8000;
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::FORMAT_FAILED;
// }
//}
/*!
* Callback for actual unformatting operation
*/
// void cb_unformat(s32 sync_result) {
// if (sync_result == sceMcResSucceed) {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::OK;
// mc[p1].state = MemoryCardState::UNKNOWN;
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::FORMAT_FAILED;
// }
//}
/*!
* Callback for probe before creating save files.
*/
// void cb_reprobe_createfile(s32 sync_result) {
// if (sync_result == sceMcResSucceed) {
// // if the ramdisk is ready, just jump directly to its callback
// if (!RpcBusy(RAMDISK_RPC_CHANNEL)) {
// cb_wait_for_ramdisk(0);
// } else {
// // I think this is a typo and should be cb_reprobe_createfile again.
// callback = cb_wait_for_ramdisk;
// }
// } else {
// mc[p1].state = MemoryCardState::UNKNOWN;
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::BAD_HANDLE;
// }
//}
/*!
* Actually start the ramdisk load of the icon file to temp buffer
*/
// void cb_wait_for_ramdisk(s32) {
// ramdisk_cmd.pad = 0;
// // caller should have given us a temporary buffer.
// ramdisk_cmd.file_id_or_ee_addr = op.data_ptr.offset;
// ramdisk_cmd.offset_into_file = 0;
// ramdisk_cmd.size = 0x1e800;
// memcpy(ramdisk_cmd.name, "SAVEGAME.ICO", 13); // was 16.
// RpcCall(RAMDISK_RPC_CHANNEL, RAMDISK_BYPASS_LOAD_FILE, 1, &ramdisk_cmd, 0x20, nullptr, 0);
// callback = cb_wait_for_ramdisk_load;
//}
/*!
* Callback for checking if the ramdisk load is done
*/
// void cb_wait_for_ramdisk_load(s32) {
// if (RpcBusy(RAMDISK_RPC_CHANNEL) == 0) {
// // ramdisk is done. start deleting 12 files
// p2 = 11; // filenames left to delete
// mc_print("start delete {}", filename[11]);
// if (sceMcDelete(p1, 0, filename[11]) == sceMcResSucceed) {
// callback = cb_createfile_erasing;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else {
// // still waiting...
// callback = cb_wait_for_ramdisk_load;
// }
//}
/*!
* Callback to start erasing previous save files.
*/
// void cb_createfile_erasing(s32 sync_result) {
// if (sync_result == sceMcResSucceed || sync_result == sceMcResNoEntry ||
// sync_result == sceMcResNotEmpty) {
// mc[p1].inited = 0;
// // delete didn't fail.
// if (p2 < 1) {
// // on the last one. move on on to creating the directory again.
// mc_print("create dir {}", filename[0]);
// if (sceMcMkdir(p1, 0, filename[0]) == sceMcResSucceed) {
// callback = cb_createdir;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else {
// p2--;
// mc_print("delete next {}", filename[p2]);
// if (sceMcDelete(p1, 0, filename[p2]) == sceMcResSucceed) {
// callback = cb_createfile_erasing;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
// } else {
// if (sync_result == sceMcResDeniedPermit) {
// mc_print("erasing: denied");
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// } else {
// mc_print("erasing: other bad");
// mc[p1].state = MemoryCardState::UNKNOWN;
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::BAD_HANDLE;
// }
// }
//}
/*!
* Callback after creating directory for jak save data
*/
// void cb_createdir(s32 sync_result) {
// if (!cb_check(sync_result, McStatusCode::WRITE_ERROR)) {
// // this sets up some stuff for the icon file that we will ignore.
// // memset(&iconsys,0,0x3c4);
// // kstrcpy(&iconsys,&DAT_00137000);
// // if (language == Language::Japanese) {
// // kstrcpy(&DAT_00137560,titles[5]);
// // } else {
// // // non japanese need to convert to shift-JIS format.
// // ASCII2SJIS(&DAT_00137560,titles[language]);
// // }
// // DAT_001374a6 = 0x20;
// // DAT_001374ac = 0;
// // memcpy(&DAT_001374b0,bgcolor.610,0x40);
// // memcpy(&DAT_001374f0,lightdir.611,0x30);
// // memcpy(&DAT_00137520,lightcol.612,0x30);
// // memcpy(&DAT_00137550,ambient.613,0x10);
// // kstrcpy(&DAT_001375a4,"icon.ico");
// // kstrcpy(&DAT_001375e4,"icon.ico");
// // kstrcpy(&DAT_00137624,"icon.ico");
//
// p2 = 1;
// // move on to creating files
// mc_print("starting create file at {}", filename[p2]);
// if (sceMcOpen(p1, 0, filename[1], 0x203) == 0) {
// callback = cb_createdfile;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
//}
/*!
* Callback after creating the file.
*/
// void cb_createdfile(s32 sync_result) {
// if (!cb_check(sync_result, McStatusCode::WRITE_ERROR)) {
// mc_print("create file cb {}", filename[p2]);
// if (p2 == 1) {
// p3 = sync_result; // the fd of the icon file.
// // actually would write the icon sys file.
// if (sceMcWrite(sync_result, nullptr, 0) == sceMcResSucceed) {
// callback = cb_writtenfile;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else if (p2 == 2) {
// p3 = sync_result;
// // would write the icon data (ramdisk loaded into the temp buffer)
// if (sceMcWrite(sync_result, nullptr, 0) == sceMcResSucceed) {
// callback = cb_writtenfile;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else if (p2 == 3) {
// // writes the aybabtu meme file
// p3 = sync_result;
// kstrcpy(op.data_ptr.cast<char>().c(), "Nope, the save game data isn\'t in this file!\n");
// if (sceMcWrite(p3, op.data_ptr.c(), strlen((const char*)op.data_ptr.c())) ==
// sceMcResSucceed) {
// callback = cb_writtenfile;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else {
// // writes the actual bank files.
// p3 = sync_result;
// memset(op.data_ptr.c(), 0, 0x11800);
// if (sceMcWrite(p3, op.data_ptr.c(), 0x11800) == sceMcResSucceed) {
// callback = cb_writtenfile;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
// }
//}
/*!
* Callback after writing data to files.
*/
// void cb_writtenfile(s32 sync_result) {
// if (!cb_check(sync_result, McStatusCode::WRITE_ERROR)) {
// if (sceMcClose(p3) == sceMcResSucceed) {
// callback = cb_closedfile;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
//}
/*!
* Callback after closing the file.
*/
// void cb_closedfile(s32 sync_result) {
// if (!cb_check(sync_result, McStatusCode::WRITE_ERROR)) {
// p2++;
// if (p2 < 12) {
// // open the next one
// if (sceMcOpen(p1, 0, filename[p2], 0x203) == sceMcResSucceed) {
// callback = cb_createdfile;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else {
// // done!
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::OK;
//
// // save data is inited
// mc[p1].inited = 1;
// // but no files have anything in it.
// for (int i = 0; i < 4; i++) {
// mc[p1].files[i].present = 0;
// }
// mc[p1].last_file = -1;
// }
// }
//}
/*!
* Callback after check before saving.
*/
// void cb_reprobe_save(s32 sync_result) {
// if (sync_result == sceMcResSucceed) {
// if (!mc[p1].files[op.param2].present) {
// mc_print("reprobe save: first time!");
// // first time saving!
// p2 = 0; // save count 0
// p4 = 0; // first bank for file
// } else {
// p2 = mc_files[op.param2].most_recent_save_count + 1; // increment save count
// p4 = mc_files[op.param2].last_saved_bank ^ 1; // use the other bank
// }
//
// // reserve 0 as "I never saved" and use 1 instead.
// if (p2 == 0) {
// p2 = 1;
// }
//
// // file*2 + p4 is the bank (2 banks per file, p4 is 0 or 1 to select the bank)
// // 4 is the first bank file
// mc_print("open {} for saving", filename[op.param2 * 2 + 4 + p4]);
// if (sceMcOpen(p1, 0, filename[op.param2 * 2 + 4 + p4], 2) == sceMcResSucceed) {
// callback = cb_openedsave;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else {
// // mc[p1].state = MemoryCardState::UNKNOWN;
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::BAD_HANDLE;
// }
//}
//
// void cb_openedsave(s32 sync_result) {
// mc_print("save file opened, writing header...");
// if (!cb_check(sync_result, McStatusCode::WRITE_ERROR)) {
// p3 = sync_result;
// memset(&header, 0, sizeof(McHeader));
// header.save_count = p2;
// header.checksum = mc_checksum(op.data_ptr, BANK_SIZE);
// header.magic = MEM_CARD_MAGIC;
// header.unk1_repeated = p2;
// for (int i = 0; i < 64; i++) {
// header.preview_data[i] = op.data_ptr2.c()[i];
// }
// if (sceMcWrite(p3, &header, sizeof(McHeader)) == sceMcResSucceed) {
// callback = cb_savedheader;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
//}
//
// void cb_savedheader(s32 sync_result) {
// mc_print("save file writing main data");
// if (!cb_check(sync_result, McStatusCode::WRITE_ERROR)) {
// if (sceMcWrite(p3, op.data_ptr.c(), BANK_SIZE) == sceMcResSucceed) {
// callback = cb_saveddata;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
//}
//
// void cb_saveddata(s32 sync_result) {
// mc_print("save file writing footer");
// if (!cb_check(sync_result, McStatusCode::WRITE_ERROR)) {
// if (sceMcWrite(p3, &header, sizeof(McHeader)) == sceMcResSucceed) {
// callback = cb_savedfooter;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
//}
//
// void cb_savedfooter(s32 sync_result) {
// mc_print("closing after save");
// if (!cb_check(sync_result, McStatusCode::WRITE_ERROR)) {
// if (sceMcClose(p3) == sceMcResSucceed) {
// callback = cb_closedsave;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
//}
//
// void cb_closedsave(s32 sync_result) {
// if (!cb_check(sync_result, McStatusCode::WRITE_ERROR)) {
// mc_print("All done with saving!!");
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::OK;
// // mc_files[op.param2].present = 1;
// mc_files[op.param2].most_recent_save_count = p2;
// mc_files[op.param2].last_saved_bank = p4;
// for (int i = 0; i < 64; i++) {
// mc_files[op.param2].data[i] = op.data_ptr2.c()[i];
// }
// mc_last_file = op.param2;
// flush_memory_card_to_file();
// }
//}
//
// void cb_reprobe_load(s32 sync_result) {
// if (sync_result == 0) {
// p2 = 0;
// mc_print("opening save file {}", filename[op.param2 * 2 + 4]);
// if (sceMcOpen(p1, 0, filename[op.param2 * 2 + 4], 1) == sceMcResSucceed) {
// callback = cb_openedload;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else {
// // mc[p1].state = MemoryCardState::UNKNOWN;
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::BAD_HANDLE;
// }
//}
//
// void cb_openedload(s32 sync_result) {
// if (cb_check(sync_result, McStatusCode::READ_ERROR) == 0) {
// p3 = sync_result;
// size_t read_size = BANK_TOTAL_SIZE;
// mc_print("reading save file...");
// if (sceMcRead(sync_result, op.data_ptr.c() + p2 * read_size, read_size) == sceMcResSucceed) {
// callback = cb_readload;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
//}
//
// void cb_readload(s32 sync_result) {
// if (cb_check(sync_result, McStatusCode::READ_ERROR) == 0) {
// mc_print("closing save file..");
// if (sceMcClose(p3) == sceMcResSucceed) {
// callback = cb_closedload;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// }
//}
//
// void cb_closedload(s32 sync_result) {
// if (cb_check(sync_result, McStatusCode::READ_ERROR) == 0) {
// p2++;
// if (p2 < 2) {
// mc_print("reading next save bank {}", filename[op.param2 * 2 + 4 + p2]);
// if (sceMcOpen(p1, 0, filename[op.param2 * 2 + 4 + p2], 1) == sceMcResSucceed) {
// callback = cb_openedload;
// } else {
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::INTERNAL_ERROR;
// }
// } else {
// // let's verify the data.
// McHeader* headers[2];
// McHeader* footers[2];
// bool ok[2];
//
// headers[0] = (McHeader*)(op.data_ptr.c());
// footers[0] = (McHeader*)(op.data_ptr.c() + sizeof(McHeader) + BANK_SIZE);
// headers[1] = (McHeader*)(op.data_ptr.c() + BANK_TOTAL_SIZE);
// footers[1] = (McHeader*)(op.data_ptr.c() + BANK_TOTAL_SIZE + sizeof(McHeader) + BANK_SIZE);
// static_assert(BANK_TOTAL_SIZE * 2 == 0x21000, "save layout");
// ok[0] = true;
// ok[1] = true;
//
// for (int idx = 0; idx < 2; idx++) {
// u32 expected_save_count = headers[idx]->save_count;
// if (headers[idx]->unk1_repeated == expected_save_count &&
// footers[idx]->save_count == expected_save_count &&
// footers[idx]->unk1_repeated == expected_save_count) {
// // save count is okay!
// if (headers[idx]->magic == MEM_CARD_MAGIC && footers[idx]->magic == MEM_CARD_MAGIC) {
// // magic numbers okay!
// if (headers[idx]->checksum == footers[idx]->checksum) {
// // checksum
// auto expected_checksum = headers[idx]->checksum;
// if (mc_checksum(make_u8_ptr(headers[idx] + 1), BANK_SIZE) != expected_checksum) {
// mc_print("failed checksum");
// ok[idx] = false;
// }
// } else {
// mc_print("corrupted checksum");
// ok[idx] = false;
// }
// } else {
// mc_print("bad magic");
// ok[idx] = false;
// }
// } else {
// mc_print("bad save count");
// ok[idx] = false;
// }
// }
//
// mc_print("checking loaded banks");
//
// //
// if (!ok[0] && !ok[1]) {
// // no good data.
// if (headers[0]->save_count == 0 && headers[0]->checksum == 0 && headers[0]->magic == 0 &&
// headers[0]->unk1_repeated == 0 && headers[1]->save_count == 0 &&
// headers[1]->checksum == 0 && headers[1]->magic == 0 && headers[1]->unk1_repeated == 0)
// {
// // this is a fresh file that you tried to load from...
// mc_print("new game result");
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::NEW_GAME;
// mc_last_file = op.param2;
// } else {
// mc_print("corrupted data");
// op.operation = MemoryCardOperationKind::NO_OP;
// op.result = McStatusCode::READ_ERROR;
// }
// } else {
// // pick the bank
// int bank = 0;
//
// if (!ok[0] || !ok[1]) {
// if (ok[1]) {
// bank = 1;
// }
// } else {
// bank = headers[0]->save_count <= headers[1]->save_count;
// }
//
// u32 current_save_count = headers[bank]->save_count;
// memcpy(op.data_ptr.c(), op.data_ptr.c() + bank * BANK_TOTAL_SIZE + sizeof(McHeader),
// BANK_SIZE); mc_last_file = op.param2; mc_files[op.param2].most_recent_save_count =
// current_save_count; mc_files[op.param2].last_saved_bank = bank; op.operation =
// MemoryCardOperationKind::NO_OP; op.result = McStatusCode::OK; mc_print("load succeeded");
// }
// }
// }
//}
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