redoing bump

maps/start.toml

@@ -56,16 +56,16 @@ fn dance(me) {
     say("Ho!", 0.5);
     me.delay(0.5);
 }
-// Fires when something steps into this object; id is the bumper's object id,
-// or -1 for the player.
-fn bump(me, id) {
-    log(`mover bumped by ${id}`);
+// Fires when a solid (the player, an object, or a pushed crate) presses into this
+// object; dir is the direction the bump came from.
+fn bump(me, dir) {
+    log(`mover bumped from ${dir}`);
     say("Ow!");
 }
 """
 
 muffin = """
-fn bump(me, _id) {
+fn bump(me, _dir) {
     scroll([
         "You find a small muffin on the ground, your favorite kind.",
         "It smells of cinnamon and warm mornings.",
@@ -84,7 +84,7 @@ fn ignore() {
 """
 
 noticeboard = """
-fn bump(me, id) {
+fn bump(me, _dir) {
     scroll([
         "  TOWN NOTICE BOARD",
         " ",
@@ -117,7 +117,7 @@ fn bump(me, id) {
 """
 
 bookshelf = """
-fn bump(me, id) {
+fn bump(me, _dir) {
     scroll([
         "  THE BOOKSHELF",
         " ",
@@ -136,13 +136,13 @@ fn bump(me, id) {
 """
 
 fireplace = """
-fn bump(me, id) {
+fn bump(me, _dir) {
     say("The fire crackles warmly.\\nYou feel at ease.");
 }
 """
 
 chest = """
-fn bump(me, id) {
+fn bump(me, _dir) {
     scroll([
         "  THE CHEST",
         " ",