src/dehacked.c

@@ -8732,6 +8732,9 @@ struct {
 	{"TC_ALLWHITE",TC_ALLWHITE},
 	{"TC_RAINBOW",TC_RAINBOW},
 	{"TC_BLINK",TC_BLINK},
+
+	// Custom client features exposed to lua
+	{"FEATURE_INTERMISSIONHUD",1},
 #endif
 
 	{NULL,0}

src/lua_hud.h

@@ -43,5 +43,6 @@ boolean LUA_HudEnabled(enum hud option);
 
 void LUAh_GameHUD(player_t *stplyr, huddrawlist_h list);
 void LUAh_ScoresHUD(huddrawlist_h list);
+void LUAh_IntermissionHUD(huddrawlist_h list);
 
 #endif // __LUA_HUD_H__

src/lua_hudlib.c

@@ -84,11 +84,13 @@ static const char *const patch_opt[] = {
 
 enum hudhook {
 	hudhook_game = 0,
-	hudhook_scores
+	hudhook_scores = 1,
+	hudhook_intermission = 2,
 };
 static const char *const hudhook_opt[] = {
 	"game",
 	"scores",
+	"intermission",
 	NULL};
 
 // alignment types for v.drawString
@@ -987,7 +989,10 @@ int LUA_HudLib(lua_State *L)
 		lua_rawseti(L, -2, 2); // HUD[2] = game rendering functions array
 
 		lua_newtable(L);
-		lua_rawseti(L, -2, 3); // HUD[2] = scores rendering functions array
+		lua_rawseti(L, -2, 3); // HUD[3] = scores rendering functions array
+
+		lua_newtable(L);
+		lua_rawseti(L, -2, 4); // HUD[4] = intermission rendering functions array
 	lua_setfield(L, LUA_REGISTRYINDEX, "HUD");
 
 	luaL_newmetatable(L, META_HUDINFO);
@@ -1132,4 +1137,37 @@ void LUAh_ScoresHUD(huddrawlist_h list)
 	lua_setfield(gL, LUA_REGISTRYINDEX, "HUD_DRAW_LIST");
 }
 
+void LUAh_IntermissionHUD(huddrawlist_h list)
+{
+	if (!gL || !(hudAvailable & (1<<hudhook_intermission)))
+		return;
+	
+	lua_pushlightuserdata(gL, list);
+	lua_setfield(gL, LUA_REGISTRYINDEX, "HUD_DRAW_LIST");
+
+	hud_running = true;
+	lua_settop(gL, 0);
+	
+	lua_pushcfunction(gL, LUA_GetErrorMessage);
+
+	lua_getfield(gL, LUA_REGISTRYINDEX, "HUD");
+	I_Assert(lua_istable(gL, -1));
+	lua_rawgeti(gL, -1, 4); // HUD[4] = rendering funcs
+	I_Assert(lua_istable(gL, -1));
+
+	lua_rawgeti(gL, -2, 1); // HUD[1] = lib_draw
+	I_Assert(lua_istable(gL, -1));
+	lua_remove(gL, -3); // pop HUD
+	lua_pushnil(gL);
+	while (lua_next(gL, -3) != 0) {
+		lua_pushvalue(gL, -3); // graphics library (HUD[1])
+		LUA_Call(gL, 1, 0, 1);
+	}
+	lua_settop(gL, 0);
+	hud_running = false;
+
+	lua_pushlightuserdata(gL, NULL);
+	lua_setfield(gL, LUA_REGISTRYINDEX, "HUD_DRAW_LIST");
+}
+
 #endif

src/y_inter.c

@@ -41,6 +41,7 @@
 #include "k_kart.h" // colortranslations
 #include "console.h" // cons_menuhighlight
 #include "lua_hook.h" // IntermissionThinker hook
+#include "lua_hud.h" // intermission hud hook
 
 #ifdef HWRENDER
 #include "hardware/hw_main.h"
@@ -117,6 +118,11 @@ static INT32 sorttic = -1;
 
 intertype_t intertype = int_none;
 
+
+#ifdef HAVE_BLUA
+static huddrawlist_h luahuddrawlist_intermission = NULL;
+#endif
+
 static void Y_FollowIntermission(void);
 static void Y_UnloadData(void);
 
@@ -360,6 +366,15 @@ void Y_IntermissionDrawer(void)
 	if (usebuffer) // Fade everything out
 		V_DrawFadeScreen(0xFF00, 22);
 
+#ifdef HAVE_BLUA
+	if (renderisnewtic)
+	{
+		LUA_HUD_ClearDrawList(luahuddrawlist_intermission);
+		LUAh_IntermissionHUD(luahuddrawlist_intermission);
+	}
+	LUA_HUD_DrawList(luahuddrawlist_intermission);
+#endif
+
 	if (!splitscreen)
 		whiteplayer = demo.playback ? displayplayers[0] : consoleplayer;
 
@@ -880,6 +895,11 @@ void Y_StartIntermission(void)
 		usetile = useinterpic = false;
 		usebuffer = true;
 	}
+
+#ifdef HAVE_BLUA
+	LUA_HUD_DestroyDrawList(luahuddrawlist_intermission);
+	luahuddrawlist_intermission = LUA_HUD_CreateDrawList();
+#endif
 }
 
 // ======