From 27f20b277ebba16eb61afd5f914f96f21cfd3057 Mon Sep 17 00:00:00 2001
From: Shpoike <Shpoike@users.noreply.github.com>
Date: Tue, 30 Mar 2021 14:52:13 +0100
Subject: [PATCH] Fix copyentity builtin.

---
 Quake/pr_ext.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Quake/pr_ext.c b/Quake/pr_ext.c
index 36114892..9e5c17b4 100644
--- a/Quake/pr_ext.c
+++ b/Quake/pr_ext.c
@@ -3780,13 +3780,15 @@ static void PF_WasFreed(void)
 static void PF_copyentity(void)
 {
 	edict_t *src = G_EDICT(OFS_PARM0);
-	edict_t *dst = G_EDICT(OFS_PARM1);
+	edict_t *dst = (qcvm->argc<2)?ED_Alloc():G_EDICT(OFS_PARM1);
 	if (src->free || dst->free)
 		Con_Printf("PF_copyentity: entity is free\n");
-	memcpy(&dst->v, &src->v, qcvm->edict_size - sizeof(edict_t));
+	memcpy(&dst->v, &src->v, qcvm->edict_size - sizeof(entvars_t));
 	dst->alpha = src->alpha;
 	dst->sendinterval = src->sendinterval;
 	SV_LinkEdict(dst, false);
+
+	G_INT(OFS_RETURN) = EDICT_TO_PROG(dst);
 }
 static void PF_edict_for_num(void)
 {