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Mod SDK: Arc Overlays (#2280)

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* Mod SDK: Arc Overlays

* Use DVD Functions for Arc overlays

* Re-add Fetchcontent for json.hpp

* Fix build for actions

* Make sure buffer usues aligned length

* Add include so msvc compiles

* Arc Overlays fixes: remove _arc suffix, handle getting overlayed file size from arcs, copy data correctly, etc.

* Reload overlayed data during loading screens

* Rename sync function

* Free overlayed files on load instead of re-loading them

* Rework arc overlays & load overlay files into host memory

---------

Co-authored-by: Luke Street <luke@street.dev>
This commit is contained in:
jdflyer
2026-08-19 23:47:57 -07:00
committed by GitHub
parent 386d2f964b
commit 5a4e6f3254
13 changed files with 474 additions and 29 deletions
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libs/JSystem/src/JKernel/JKRCompArchive.cpp
+27
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@@ -226,6 +226,13 @@ bool JKRCompArchive::open(s32 entryNum) {
void* JKRCompArchive::fetchResource(SDIFileEntry *fileEntry, u32 *pSize) {
JUT_ASSERT(597, isMounted());
#if TARGET_PC
if (void* data = getOverlayData(fileEntry, pSize); data != nullptr) {
return data;
}
#endif
u32 ptrSize;
u32 size = fileEntry->data_size;
int compression = JKRConvertAttrToCompressionType(u8(fileEntry->type_flags_and_name_offset >> 0x18));
@@ -274,6 +281,13 @@ void *JKRCompArchive::fetchResource(void *data, u32 compressedSize, SDIFileEntry
{
u32 size = 0;
JUT_ASSERT(708, isMounted());
#if TARGET_PC
if (copyOverlayData(data, compressedSize, fileEntry, pSize)) {
return data;
}
#endif
u32 fileSize = fileEntry->data_size;
u32 alignedSize = ALIGN_NEXT(fileSize, 32);
u32 fileFlag = fileEntry->type_flags_and_name_offset >> 0x18;
@@ -319,6 +333,7 @@ void *JKRCompArchive::fetchResource(void *data, u32 compressedSize, SDIFileEntry
void JKRCompArchive::removeResourceAll() {
if (mArcInfoBlock != NULL && mMountMode != MOUNT_MEM) {
IF_DUSK(removeAllOverlayResources();)
SDIFileEntry* fileEntry = mFiles;
for (int i = 0; i < mArcInfoBlock->num_file_entries; i++) {
int tmp = fileEntry->type_flags_and_name_offset >> 0x18;
@@ -336,6 +351,12 @@ void JKRCompArchive::removeResourceAll() {
}
bool JKRCompArchive::removeResource(void* resource) {
#if TARGET_PC
if (removeOverlayResource(resource, true)) {
return true;
}
#endif
SDIFileEntry* fileEntry = findPtrResource(resource);
if (!fileEntry)
return false;
@@ -356,6 +377,12 @@ u32 JKRCompArchive::getExpandedResSize(const void *resource) const
return getResSize(resource);
}
#if TARGET_PC
if (u32 size; getOverlayResourceSize(resource, &size)) {
return size;
}
#endif
SDIFileEntry *fileEntry = findPtrResource(resource);
if(!fileEntry) {
return 0xffffffff;