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-rw-r--r--src/newgrf_callbacks.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/newgrf_callbacks.h b/src/newgrf_callbacks.h
index 5c693761d..30bdd2fc2 100644
--- a/src/newgrf_callbacks.h
+++ b/src/newgrf_callbacks.h
@@ -263,6 +263,13 @@ enum HouseCallbackMask {
};
/**
+ * Callback masks for canals.
+ */
+enum CanalCallbackMask {
+ CBM_CANAL_SPRITE_OFFSET = 1, ///< Enable add sprite offset callback
+};
+
+/**
* Callback masks for cargos.
*/
enum CargoCallbackMask {