From 4416579210ebbba2a729d2fa9943870877973c96 Mon Sep 17 00:00:00 2001
From: Martin Michelsen <fuzziqersoftware+g@gmail.com>
Date: Mon, 17 Jun 2024 00:42:31 -0700
Subject: [PATCH] add 11/2000 item loss patch

---
 src/SaveFileFormats.hh                          | 16 ++++++++++++++++
 .../ItemLossPrevention.1OJ2.patch.s             | 17 +++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 system/client-functions/ItemLossPrevention/ItemLossPrevention.1OJ2.patch.s

diff --git a/src/SaveFileFormats.hh b/src/SaveFileFormats.hh
index ed4befb0..a45d599f 100644
--- a/src/SaveFileFormats.hh
+++ b/src/SaveFileFormats.hh
@@ -306,6 +306,22 @@ struct PSOBBFullSystemFile {
 ////////////////////////////////////////////////////////////////////////////////
 // Character files
 
+struct PSODC112000CharacterFile {
+  // See PSOGCCharacterFile::Character for descriptions of fields' meanings.
+  /* 0000:---- */ PlayerInventory inventory;
+  /* 034C:---- */ PlayerDispDataDCPCV3 disp;
+  /* 041C:0000 */ le_uint32_t flags = 0;
+  /* 0420:0004 */ le_uint32_t creation_timestamp = 0;
+  /* 0424:0008 */ le_uint32_t signature = 0xA205B064;
+  /* 0428:000C */ le_uint32_t play_time_seconds = 0;
+  /* 042C:0010 */ le_uint32_t option_flags = 0x00040058;
+  /* 0430:0014 */ le_uint16_t save_count_since_last_inventory_erasure = 1;
+  /* 0432:0016 */ le_uint16_t inventory_erasure_count = 0;
+  // TODO: Fill out the rest of this structure.
+  /* 0434:0018 */ parray<uint8_t, 0xFA0> unknown_a1;
+  /* 13D4:0FB8 */
+} __packed_ws__(PSODC112000CharacterFile, 0x13D4);
+
 struct PSODCV1CharacterFile {
   // See PSOGCCharacterFile::Character for descriptions of fields' meanings.
   /* 0000:---- */ PlayerInventory inventory;
diff --git a/system/client-functions/ItemLossPrevention/ItemLossPrevention.1OJ2.patch.s b/system/client-functions/ItemLossPrevention/ItemLossPrevention.1OJ2.patch.s
new file mode 100644
index 00000000..2a0286b5
--- /dev/null
+++ b/system/client-functions/ItemLossPrevention/ItemLossPrevention.1OJ2.patch.s
@@ -0,0 +1,17 @@
+.meta name="No item loss"
+.meta description="Don't lose items if\nyou don't log off\nnormally"
+
+entry_ptr:
+reloc0:
+  .offsetof start
+start:
+  .include  WriteCodeBlocksDC
+
+  .align    4
+  .data     0x8C14C71A
+  .data     2
+  nop
+
+  .align    4
+  .data     0x00000000
+  .data     0x00000000