add aabb drop models support

src/logic/scripting/lua/libblock.cpp

@@ -280,8 +280,23 @@ static int l_get_model(lua::State* L) {
             case BlockModel::custom: return lua::pushstring(L, "custom");
             case BlockModel::none: return lua::pushstring(L, "none");
         }
-        return 0;
     }
+    return 0;
+}
+
+static int l_get_hitbox(lua::State* L) {
+    if (auto def = require_block(L)) {
+        auto& hitbox = def->rt.hitboxes[0].at(lua::tointeger(L, 2));
+        lua::createtable(L, 2, 0);
+        
+        lua::pushvec3_arr(L, hitbox.min());
+        lua::rawseti(L, 1);
+
+        lua::pushvec3_arr(L, hitbox.size());
+        lua::rawseti(L, 2);
+        return 1;
+    }
+    return 0;
 }
 
 const luaL_Reg blocklib [] = {
@@ -309,5 +324,6 @@ const luaL_Reg blocklib [] = {
     {"seek_origin", lua::wrap<l_seek_origin>},
     {"get_textures", lua::wrap<l_get_textures>},
     {"get_model", lua::wrap<l_get_model>},
+    {"get_hitbox", lua::wrap<l_get_hitbox>},
     {NULL, NULL}
 };