Adding modding folder with a hacked build.

modding/hacked/ss1/resource/Store.go

@@ -0,0 +1,85 @@
+package resource
+
+import "io/ioutil"
+
+// Store holds a set of resources. This set can be modified.
+type Store struct {
+	ids       []ID
+	resources map[ID]*Resource
+}
+
+// IDs returns a list of available IDs this store currently contains.
+func (store Store) IDs() []ID {
+	ids := make([]ID, 0, len(store.resources))
+	for _, id := range store.ids {
+		if _, existing := store.resources[id]; existing {
+			ids = append(ids, id)
+		}
+	}
+	return ids
+}
+
+// Resource returns reference to the contained resource for given identifier.
+func (store Store) Resource(id ID) (*Resource, error) {
+	res, existing := store.resources[id]
+	if !existing {
+		return nil, ErrNotFound(id)
+	}
+	return res, nil
+}
+
+// View returns a read-only view on the resource for given identifier.
+func (store Store) View(id ID) (View, error) {
+	return store.Resource(id)
+}
+
+// Del removes the resource with given identifier from the store.
+func (store *Store) Del(id ID) bool {
+	_, existing := store.resources[id]
+	if existing {
+		delete(store.resources, id)
+	}
+	return existing
+}
+
+// Put (re-)assigns an identifier with data. If no resource with given ID exists,
+// then it is created. Existing resources are overwritten with the provided data.
+func (store *Store) Put(id ID, view View) error {
+	data := make([][]byte, view.BlockCount())
+	for index := 0; index < len(data); index++ {
+		reader, err := view.Block(index)
+		if err != nil {
+			return err
+		}
+		data[index], err = ioutil.ReadAll(reader)
+		if err != nil {
+			return err
+		}
+	}
+
+	res := &Resource{
+		Properties: Properties{
+			Compound:    view.Compound(),
+			ContentType: view.ContentType(),
+			Compressed:  view.Compressed(),
+		},
+		Blocks: BlocksFrom(data),
+	}
+	if store.resources == nil {
+		store.resources = make(map[ID]*Resource)
+	}
+	store.resources[id] = res
+	if store.findIDIndex(id) < 0 {
+		store.ids = append(store.ids, id)
+	}
+	return nil
+}
+
+func (store Store) findIDIndex(id ID) int {
+	for index := 0; index < len(store.ids); index++ {
+		if store.ids[index] == id {
+			return index
+		}
+	}
+	return -1
+}