Adding modding folder with a hacked build.

modding/hacked/ss1/resource/Errors.go

@@ -0,0 +1,51 @@
+package resource
+
+import "fmt"
+
+// NotFoundError indicates the unknown ID.
+type NotFoundError struct {
+	ID ID
+}
+
+// Error implements the error interface.
+func (err NotFoundError) Error() string {
+	return fmt.Sprintf("resource with ID %v does not exist", err.ID)
+}
+
+// ErrNotFound returns an error specifying the given ID doesn't
+// have an associated resource.
+func ErrNotFound(id ID) error {
+	return NotFoundError{ID: id}
+}
+
+// BlockNotFoundError indicates the unknown block index.
+type BlockNotFoundError struct {
+	Index     int
+	Available int
+}
+
+// Error implements the error interface.
+func (err BlockNotFoundError) Error() string {
+	return fmt.Sprintf("block index wrong: %v/%v", err.Index, err.Available)
+}
+
+// ErrBlockNotFound returns an error specifying the given index does not identify a valid block.
+func ErrBlockNotFound(index, available int) error {
+	return BlockNotFoundError{Index: index, Available: available}
+}
+
+// WrongTypeError indicates a resource of unexpected type.
+type WrongTypeError struct {
+	Key      Key
+	Expected ContentType
+}
+
+// Error implements the error interface.
+func (err WrongTypeError) Error() string {
+	return fmt.Sprintf("resource %v does not have expected type %v", err.Key, err.Expected)
+}
+
+// ErrWrongType returns an error specifying a resource was of unexpected type.
+func ErrWrongType(key Key, expected ContentType) error {
+	return WrongTypeError{Key: key, Expected: expected}
+}