feat: component script reloading

src/logic/scripting/lua/libs/libentity.cpp

@@ -223,6 +223,18 @@ static int l_raycast(lua::State* L) {
     return 0;
 }
 
+static int l_reload_component(lua::State* L) {
+    std::string name = lua::require_string(L, 1);
+    size_t pos = name.find(':');
+    if (pos == std::string::npos) {
+        throw std::runtime_error("missing entry point");
+    }
+    auto filename = name.substr(0, pos + 1) + "scripts/components/" +
+                    name.substr(pos + 1) + ".lua";
+    scripting::load_entity_component(name, filename, filename);
+    return 0;
+}
+
 const luaL_Reg entitylib[] = {
     {"exists", lua::wrap<l_exists>},
     {"def_index", lua::wrap<l_def_index>},
@@ -238,5 +250,6 @@ const luaL_Reg entitylib[] = {
     {"get_all_in_box", lua::wrap<l_get_all_in_box>},
     {"get_all_in_radius", lua::wrap<l_get_all_in_radius>},
     {"raycast", lua::wrap<l_raycast>},
+    {"reload_component", lua::wrap<l_reload_component>},
     {NULL, NULL}
 };