More refactoring and cleanup

luprex/core/cpp/world-testing.cpp

@@ -30,6 +30,16 @@ std::string World::tangible_ids_debug_string() const {
     return util::id_vector_debug_string(idv);
 }
 
+std::string World::tangibles_near_debug_string(int64_t actor, int64_t distance) {
+    std::ostringstream result;
+    for (int64_t id : get_near(actor, distance, true)) {
+        const Tangible *tan = tangible_get(id);
+        const AnimStep &aqback = tan->anim_queue_.back();
+        result << id << ": " << aqback.graphic() << " " << aqback.plane() << " " << aqback.xyz().debug_string() << std::endl;
+    }
+    return result.str();
+}
+
 std::string World::tangible_pprint(int64_t id) const {
     lua_State *L = state();
     LuaVar tangibles, tan, meta;