From a4daffa30e1636df56a4a96947670db95ee379bc Mon Sep 17 00:00:00 2001
From: Alexander Batalov <alex.batalov@gmail.com>
Date: Sat, 22 Jul 2023 14:49:56 +0300
Subject: [PATCH] Add proto_copy_proto

---
 src/proto.cc | 28 ++++++++++++++++++++++++++++
 src/proto.h  |  1 +
 2 files changed, 29 insertions(+)

diff --git a/src/proto.cc b/src/proto.cc
index 421939e..f1d6aea 100644
--- a/src/proto.cc
+++ b/src/proto.cc
@@ -828,6 +828,34 @@ int _proto_dude_init(const char* path)
     return 0;
 }
 
+// 0x49FE74
+int proto_copy_proto(int srcPid, int dstPid)
+{
+    int srcType;
+    int dstType;
+    Proto* src;
+    Proto* dst;
+
+    srcType = PID_TYPE(srcPid);
+    dstType = PID_TYPE(dstPid);
+    if (srcType != dstType) {
+        return -1;
+    }
+
+    if (protoGetProto(srcPid, &src) == -1) {
+        return -1;
+    }
+
+    if (protoGetProto(dstPid, &dst) == -1) {
+        return -1;
+    }
+
+    memcpy(dst, src, _proto_sizes[srcType]);
+    dst->pid = dstPid;
+
+    return 0;
+}
+
 // 0x49FEDC
 bool proto_is_subtype(Proto* proto, int subtype)
 {
diff --git a/src/proto.h b/src/proto.h
index e68140f..9448a09 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -118,6 +118,7 @@ int objectDataWrite(Object* obj, File* stream);
 int _proto_update_init(Object* obj);
 int _proto_dude_update_gender();
 int _proto_dude_init(const char* path);
+int proto_copy_proto(int srcPid, int dstPid);
 bool proto_is_subtype(Proto* proto, int subtype);
 int protoGetDataMember(int pid, int member, ProtoDataMemberValue* value);
 int protoInit();