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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/JKRArchivePub.cpp
+22
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@@ -246,6 +246,7 @@ u32 JKRArchive::readResource(void* buffer, u32 bufferSize, u16 id) {
void JKRArchive::removeResourceAll() {
if (mArcInfoBlock && mMountMode != MOUNT_MEM) {
IF_DUSK(removeAllOverlayResources();)
SDIFileEntry* fileEntry = mFiles;
for (int i = 0; i < mArcInfoBlock->num_file_entries; i++) {
if (JKAR_DATA(fileEntry)) {
@@ -259,6 +260,13 @@ void JKRArchive::removeResourceAll() {
bool JKRArchive::removeResource(void* resource) {
JUT_ASSERT(678, resource != NULL);
#if TARGET_PC
if (removeOverlayResource(resource, true)) {
return true;
}
#endif
SDIFileEntry* fileEntry = findPtrResource(resource);
if (fileEntry == NULL)
return false;
@@ -270,6 +278,13 @@ bool JKRArchive::removeResource(void* resource) {
bool JKRArchive::detachResource(void* resource) {
JUT_ASSERT(707, resource != NULL);
#if TARGET_PC
if (removeOverlayResource(resource, false)) {
return true;
}
#endif
SDIFileEntry* fileEntry = findPtrResource(resource);
if (fileEntry == NULL)
return false;
@@ -280,6 +295,13 @@ bool JKRArchive::detachResource(void* resource) {
u32 JKRArchive::getResSize(const void* resource) const {
JUT_ASSERT(732, resource != NULL);
#if TARGET_PC
if (u32 size; getOverlayResourceSize(resource, &size)) {
return size;
}
#endif
SDIFileEntry* fileEntry = findPtrResource(resource);
if (fileEntry == NULL)
return -1;