Remove path_length() as it's unused and is obsolete

2 files changed, 0 insertions, 18 deletions

diff --git a/path.c b/path.c
index dc31f18..d643167 100644
--- a/path.c
+++ b/path.c
@@ -309,22 +309,6 @@ size_t diagonal_distance(Position a, Position b) {
     return COST_ORTHOGONAL * (dx + dy) + (COST_DIAGONAL - 2 * COST_ORTHOGONAL) * min;
 }
 
-size_t path_length(Path path, Position start, Position goal) {
-    size_t length = 0;
-    if (path != NULL) {
-        Position cur = goal;
-        while (cur.x != start.x || cur.y != start.y) {
-            if (cur.x - path[cur.y][cur.x].x == 0 || cur.y - path[cur.y][cur.x].y == 0) {
-                length += COST_ORTHOGONAL;
-            } else {
-                length += COST_DIAGONAL;
-            }
-            cur = path[cur.y][cur.x];
-        }
-    }
-    return length;
-}
-
 Path path_new(size_t width, size_t height) {
     Path path = malloc(sizeof(Position*)*height);
     if (path == NULL) return NULL;
diff --git a/path.h b/path.h
index ab22f8b..ea812e8 100644
--- a/path.h
+++ b/path.h
@@ -20,8 +20,6 @@ size_t diagonal_distance(Position a, Position b);
 Path path_new(size_t width, size_t height);
 void path_free(Path path, size_t height);
 
-size_t path_length(Path path, Position start, Position goal);
-
 /* Helper funcs for the visited array */
 char **visited_new(size_t width, size_t height);
 void visited_clear(char **visited, size_t width, size_t height);