From 46c61660cfb4aa3c3b1e5644ff2f200649d4925d Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Fri, 15 Dec 2023 07:37:40 +0300
Subject: [PATCH] engine: expose world BSP version through world global
 structure

---
 engine/common/mod_bmodel.c | 1 +
 engine/common/mod_local.h  | 2 ++
 engine/common/model.c      | 1 +
 3 files changed, 4 insertions(+)

diff --git a/engine/common/mod_bmodel.c b/engine/common/mod_bmodel.c
index 2e7d95c6..2adf38ae 100644
--- a/engine/common/mod_bmodel.c
+++ b/engine/common/mod_bmodel.c
@@ -2998,6 +2998,7 @@ static qboolean Mod_LoadBmodelLumps( model_t *mod, const byte *mod_base, qboolea
 
 	if( isworld )
 	{
+		world.version = bmod->version;
 #if !XASH_DEDICATED
 		Mod_InitDebugHulls( mod );	// FIXME: build hulls for separate bmodels (shells, medkits etc)
 		world.deluxedata = bmod->deluxedata_out;	// deluxemap data pointer
diff --git a/engine/common/mod_local.h b/engine/common/mod_local.h
index ccf6e7f0..c69d81e2 100644
--- a/engine/common/mod_local.h
+++ b/engine/common/mod_local.h
@@ -113,6 +113,8 @@ typedef struct world_static_s
 	// tree visualization stuff
 	int		recursion_level;
 	int		max_recursion;
+
+	uint32_t version; // BSP version
 } world_static_t;
 
 #ifndef REF_DLL
diff --git a/engine/common/model.c b/engine/common/model.c
index 3a25cc97..1553e5d9 100644
--- a/engine/common/model.c
+++ b/engine/common/model.c
@@ -111,6 +111,7 @@ void Mod_FreeModel( model_t *mod )
 
 	if( mod->type == mod_brush && FBitSet( mod->flags, MODEL_WORLD ) )
 	{
+		world.version = 0;
 		world.shadowdata = NULL;
 		world.deluxedata = NULL;
 	}