1 files changed, 33 insertions, 0 deletions
diff --git a/src/heightmap.h b/src/heightmap.h
new file mode 100644
index 000000000..d7592bf27
--- /dev/null
+++ b/src/heightmap.h
@@ -0,0 +1,33 @@
+/* $Id$ */
+
+#ifndef HEIGHTMAP_H
+#define HEIGHTMAP_H
+
+/*
+ * Order of these enums has to be the same as in lang/english.txt
+ * Otherwise you will get inconsistent behaviour.
+ */
+enum {
+	HM_COUNTER_CLOCKWISE, //! Rotate the map counter clockwise 45 degrees
+	HM_CLOCKWISE,         //! Rotate the map clockwise 45 degrees
+};
+
+/**
+ * Get the dimensions of a heightmap.
+ * @return Returns false if loading of the image failed.
+ */
+bool GetHeightmapDimensions(char *filename, uint *x, uint *y);
+
+/**
+ * Load a heightmap from file and change the map in his current dimensions
+ *  to a landscape representing the heightmap.
+ * It converts pixels to height. The brighter, the higher.
+ */
+void LoadHeightmap(char *filename);
+
+/**
+ * Make an empty world where all tiles are of height 'tile_height'.
+ */
+void FlatEmptyWorld(byte tile_height);
+
+#endif /* HEIGHTMAP_H */