X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FBlock.hpp;h=4b4ea210596bbd8d3c6adb0f63e5131cf6065708;hb=ad7cf72ed47c39640d5588ba53386e090289b4d1;hp=5f52d173882903af05a8346561842d0f77006f52;hpb=e872614d387c4bfc3afb04bcc7cba3d9b8f3954b;p=blank.git

diff --git a/src/world/Block.hpp b/src/world/Block.hpp
index 5f52d17..4b4ea21 100644
--- a/src/world/Block.hpp
+++ b/src/world/Block.hpp
@@ -66,6 +66,22 @@ struct Block {
 		}
 	}
 
+	/// returns 1 for pro-axis, -1 for retro-axis, 0 for invalid faces
+	static int Direction(Face f) noexcept {
+		switch (f) {
+			case FACE_RIGHT:
+			case FACE_UP:
+			case FACE_FRONT:
+				return 1;
+			case FACE_LEFT:
+			case FACE_DOWN:
+			case FACE_BACK:
+				return -1;
+			default:
+				return 0;
+		}
+	}
+
 	static glm::ivec3 FaceNormal(Face face) noexcept {
 		return face2normal[face];
 	}