Merge branch 'lua-hud-crosshair' into 'next'

Let Lua toggle the crosshair

See merge request STJr/SRB2!1360

src/hu_stuff.c

@@ -2109,6 +2109,8 @@ void HU_Drawer(void)
 		return;
 
 	// draw the crosshair, not when viewing demos nor with chasecam
+	if (LUA_HudEnabled(hud_crosshair))
+	{
 		if (!automapactive && cv_crosshair.value && !demoplayback &&
 			(!camera.chase || ticcmd_ztargetfocus[0])
 		&& !players[displayplayer].spectator)
@@ -2118,6 +2120,7 @@ void HU_Drawer(void)
 			(!camera2.chase || ticcmd_ztargetfocus[1])
 		&& !players[secondarydisplayplayer].spectator)
 			HU_DrawCrosshair2();
+	}
 
 	// draw desynch text
 	if (hu_redownloadinggamestate)

src/lua_hud.h

@@ -13,6 +13,7 @@
 enum hud {
 	hud_stagetitle = 0,
 	hud_textspectator,
+	hud_crosshair,
 	// Singleplayer / Co-op
 	hud_score,
 	hud_time,

src/lua_hudlib.c

@@ -39,6 +39,7 @@ static UINT8 hudAvailable; // hud hooks field
 static const char *const hud_disable_options[] = {
 	"stagetitle",
 	"textspectator",
+	"crosshair",
 
 	"score",
 	"time",