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#include "JSystem/JSystem.h" // IWYU pragma: keep
#include "JSystem/JKernel/JKRMemArchive.h"
#include "JSystem/JKernel/JKRDecomp.h"
#include "JSystem/JKernel/JKRDvdRipper.h"
#include "JSystem/JUtility/JUTAssert.h"
#include "JSystem/JUtility/JUTException.h"
#include <cstring>
#include "global.h"
#include <stdint.h>
JKRMemArchive::JKRMemArchive(s32 entryNum, JKRArchive::EMountDirection mountDirection)
: JKRArchive(entryNum, MOUNT_MEM) {
mIsMounted = false;
mMountDirection = mountDirection;
if (!open(entryNum, mMountDirection)) {
return;
}
mVolumeType = 'RARC';
mVolumeName = mStringTable + mNodes->name_offset;
sVolumeList.prepend(&mFileLoaderLink);
mIsMounted = true;
}
JKRMemArchive::JKRMemArchive(void* buffer, u32 bufferSize, JKRMemBreakFlag param_3)
: JKRArchive((s32)buffer, MOUNT_MEM) {
mIsMounted = false;
if (!open(buffer, bufferSize, param_3)) {
return;
}
mVolumeType = 'RARC';
mVolumeName = mStringTable + mNodes->name_offset;
sVolumeList.prepend(&mFileLoaderLink);
mIsMounted = true;
}
JKRMemArchive::~JKRMemArchive() {
if (mIsMounted == true) {
if (mIsOpen) {
if (mArcHeader)
JKRFreeToHeap(mHeap, mArcHeader);
}
sVolumeList.remove(&mFileLoaderLink);
mIsMounted = false;
}
}
static void dummy() {
OS_REPORT(__FILE__);
OS_REPORT("isMounted()");
OS_REPORT("mMountCount == 1");
}
bool JKRMemArchive::open(s32 entryNum, JKRArchive::EMountDirection mountDirection) {
mArcHeader = NULL;
mArcInfoBlock = NULL;
mArchiveData = NULL;
mNodes = NULL;
mFiles = NULL;
mStringTable = NULL;
mIsOpen = false;
mMountDirection = mountDirection;
if (mMountDirection == JKRArchive::MOUNT_DIRECTION_HEAD) {
u32 loadedSize;
mArcHeader = (SArcHeader *)JKRDvdToMainRam(
entryNum, NULL, EXPAND_SWITCH_UNKNOWN1, 0, mHeap, JKRDvdRipper::ALLOC_DIRECTION_FORWARD,
0, (int *)&mCompression, &loadedSize);
if (mArcHeader) {
DCInvalidateRange(mArcHeader, loadedSize);
}
}
else {
u32 loadedSize;
mArcHeader = (SArcHeader *)JKRDvdToMainRam(
entryNum, NULL, EXPAND_SWITCH_UNKNOWN1, 0, mHeap,
JKRDvdRipper::ALLOC_DIRECTION_BACKWARD, 0, (int *)&mCompression, &loadedSize);
if (mArcHeader) {
DCInvalidateRange(mArcHeader, loadedSize);
}
}
if (!mArcHeader) {
mMountMode = UNKNOWN_MOUNT_MODE;
}
else {
JUT_ASSERT(438, mArcHeader->signature == 'RARC');
mArcInfoBlock = (SArcDataInfo *)((u8 *)mArcHeader + mArcHeader->header_length);
mNodes = (SDIDirEntry *)((u8 *)&mArcInfoBlock->num_nodes + mArcInfoBlock->node_offset);
mFiles = (SDIFileEntry *)((u8 *)&mArcInfoBlock->num_nodes + mArcInfoBlock->file_entry_offset);
mStringTable = (char *)((u8 *)&mArcInfoBlock->num_nodes + mArcInfoBlock->string_table_offset);
mArchiveData =
(u8 *)((uintptr_t)mArcHeader + mArcHeader->header_length + mArcHeader->file_data_offset);
mIsOpen = true;
}
#if DEBUG
if (mMountMode == 0) {
OSReport(":::Cannot alloc memory [%s][%d]\n", __FILE__, 460);
}
#endif
return (mMountMode == UNKNOWN_MOUNT_MODE) ? false : true;
}
bool JKRMemArchive::open(void* buffer, u32 bufferSize, JKRMemBreakFlag flag) {
mArcHeader = (SArcHeader *)buffer;
JUT_ASSERT(491, mArcHeader->signature == 'RARC');
mArcInfoBlock = (SArcDataInfo *)((u8 *)mArcHeader + mArcHeader->header_length);
mNodes = (SDIDirEntry *)((u8 *)&mArcInfoBlock->num_nodes + mArcInfoBlock->node_offset);
mFiles = (SDIFileEntry *)((u8 *)&mArcInfoBlock->num_nodes + mArcInfoBlock->file_entry_offset);
mStringTable = (char *)((u8 *)&mArcInfoBlock->num_nodes + mArcInfoBlock->string_table_offset);
mArchiveData = (u8 *)(((uintptr_t)mArcHeader + mArcHeader->header_length) + mArcHeader->file_data_offset);
mIsOpen = (flag == JKRMEMBREAK_FLAG_UNKNOWN1) ? true : false; // mIsOpen might be u8
mHeap = JKRHeap::findFromRoot(buffer);
mCompression = COMPRESSION_NONE;
return true;
}
void* JKRMemArchive::fetchResource(SDIFileEntry* fileEntry, u32* resourceSize) {
JUT_ASSERT(555, isMounted());
if (!fileEntry->data) {
fileEntry->data = mArchiveData + fileEntry->data_offset;
}
if (resourceSize) {
*resourceSize = fileEntry->data_size;
}
return fileEntry->data;
}
void* JKRMemArchive::fetchResource(void* buffer, u32 bufferSize, SDIFileEntry* fileEntry,
u32* resourceSize) {
JUT_ASSERT(595, isMounted());
u32 srcLength = fileEntry->data_size;
if (srcLength > bufferSize) {
srcLength = bufferSize;
}
if (fileEntry->data != NULL) {
memcpy(buffer, fileEntry->data, srcLength);
} else {
u8 flags = fileEntry->type_flags_and_name_offset >> 24;
JKRCompression compression = JKRConvertAttrToCompressionType(flags);
srcLength =
fetchResource_subroutine(mArchiveData + fileEntry->data_offset, srcLength, (u8*)buffer, bufferSize, compression);
}
if (resourceSize) {
*resourceSize = srcLength;
}
return buffer;
}
void JKRMemArchive::removeResourceAll(void) {
JUT_ASSERT(642, isMounted());
if (mArcInfoBlock == NULL)
return;
if (mMountMode == MOUNT_MEM)
return;
// !@bug: looping over file entries without incrementing the fileEntry pointer. Thus, only the
// first fileEntry will clear/remove the resource data.
SDIFileEntry* fileEntry = mFiles;
for (int i = 0; i < mArcInfoBlock->num_file_entries; i++) {
if (fileEntry->data) {
fileEntry->data = NULL;
}
}
fileEntry++;
}
bool JKRMemArchive::removeResource(void* resource) {
JUT_ASSERT(673, isMounted());
SDIFileEntry* fileEntry = findPtrResource(resource);
if (!fileEntry)
return false;
fileEntry->data = NULL;
return true;
}
u32 JKRMemArchive::fetchResource_subroutine(u8* src, u32 srcLength, u8* dst, u32 dstLength,
JKRCompression compression) {
switch (compression) {
case COMPRESSION_NONE:
if (srcLength > dstLength) {
srcLength = dstLength;
}
memcpy(dst, src, srcLength);
return srcLength;
case COMPRESSION_YAY0:
case COMPRESSION_YAZ0: {
u32 expendedSize = JKRDecompExpandSize(src);
if (expendedSize > dstLength) {
expendedSize = dstLength;
}
JKRDecompress(src, dst, expendedSize, 0);
return expendedSize;
}
default: {
JUTException::panic(__FILE__, 723, "??? bad sequence\n");
} break;
}
return 0;
}
u32 JKRMemArchive::getExpandedResSize(const void* resource) const {
SDIFileEntry* fileEntry = findPtrResource(resource);
if (fileEntry == NULL)
return -1;
u8 flags = fileEntry->type_flags_and_name_offset >> 24;
if ((flags & 4) == false) {
return getResSize(resource);
}
u32 expandSize = JKRDecompExpandSize((u8*)resource);
return expandSize;
}
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