Radical change to how custom buildings can be made - Uses Drone.extend so that new player-submitted blueprints can be part of a chain.

drone.js

@@ -368,6 +368,18 @@ var Drone = {
     // for blocks 68 (wall signs) 65 (ladders) 61,62 (furnaces) 23 (dispenser) and 54 (chest)
     Drone.PLAYER_SIGN_FACING = [4,2,5,3]; 
     Drone.PLAYER_TORCH_FACING = [2,4,1,3];
+	 //
+	 // add custom methods to the Drone object using this function
+	 //
+	 Drone.extend = function(name, func)
+	 {
+		  Drone.prototype[name] = func;
+        global[name] = function(){
+            var result = new Drone();
+            result[name].apply(result,arguments);
+            return result;
+        };
+	 };
 
     Drone.prototype.prism0 = function(block,w,d){
         this.prism(block,w,d).fwd().right().prism(0,w-2,d-2).left().back();
@@ -847,8 +859,6 @@ var Drone = {
     for (var i = 0;i < ops.length; i++){
         global[ops[i]] = function(op){
             return function(){
-                for (var i = 0;i < arguments.length;i++)
-                    print ("DEBUG:" + arguments[i]);
                 var result = new Drone();
                 result[op].apply(result,arguments);
                 return result;

example_scripts/castle.js

@@ -2,14 +2,12 @@ load($SCRIPT_DIR + "/fort.js");
 //
 // a castle is just a big wide fort with 4 taller forts at each corner
 //
-function castle (side, height, drone)
+Drone.extend('castle', function(side, height)
 {
 	 // 
 	 // use sensible default parameter values
 	 // if no parameters are supplied
 	 //
-	 if (typeof drone == "undefined")
-		  drone = new Drone();
 	 if (typeof side == "undefined")
 		  side = 24;
 	 if (typeof height == "undefined")
@@ -19,7 +17,7 @@ function castle (side, height, drone)
 	 //
 	 // remember where the drone is so it can return 'home'
 	 //
-	 drone.chkpt('castle');
+	 this.chkpt('castle');
 	 // 
 	 // how big the towers at each corner will be...
 	 //
@@ -29,24 +27,24 @@ function castle (side, height, drone)
 	 //
 	 // the main castle building will be front and right of the first tower
 	 //
-	 drone.fwd(towerSide/2).right(towerSide/2);
+	 this.fwd(towerSide/2).right(towerSide/2);
 	 //
 	 // the castle is really just a big fort with 4 smaller 'tower' forts at each corner
 	 //
-	 drone = fort(side,height,drone);
+	 this.fort(side,height);
 	 //
 	 // move back to start position
 	 //
-	 drone.move('castle');
+	 this.move('castle');
 	 //
 	 // now place 4 towers at each corner (each tower is another fort)
 	 //
 	 for (var corner = 0; corner < 4; corner++)
 	 {
 		  // construct a 'tower' fort
-		  fort(towerSide,towerHeight,drone); 
+		  this.fort(towerSide,towerHeight); 
 		  // move forward the length of the castle then turn right
-		  drone.fwd(side+towerSide-1).turn(); 
+		  this.fwd(side+towerSide-1).turn(); 
 	 }
-	 return drone.move('castle');
+	 return this.move('castle');
-}
+});

example_scripts/cottage.js

@@ -16,15 +16,12 @@ load(scriptDir + "/../drone.js"); // assumes cottage.js and drone.js are in same
 // 
 // [2] to build a cottage using an existing drone...
 // 
-// /js cottage(drone);
+// /js drone.cottage();
 //
 
-function cottage(/* optional */ drone)
+Drone.extend('cottage',function ()
 {
-    if (typeof drone == "undefined"){
+    this.chkpt('cottage')
-        drone = new Drone();
-    }
-    drone.chkpt('cottage')
         .box0(48,7,2,6)  // 4 walls
         .right(3).door() // door front and center
         .up(1).left(2).box(102) // windows to left and right
@@ -33,28 +30,25 @@ function cottage(/* optional */ drone)
     //
     // put up a sign near door. 
     //
-    drone.down().right(4).sign(["Home","Sweet","Home"],68);
+    this.down().right(4).sign(["Home","Sweet","Home"],68);
     
-    return drone.move('cottage');
+    return this.move('cottage');
-};
+});
 //
 // a more complex script that builds an tree-lined avenue with
 // cottages on both sides.
 //
-function cottage_road(numberCottages,/* optional */ drone)
+Drone.extend('cottage_road', function(numberCottages)
 {
     if (typeof numberCottages == "undefined"){
         numberCottages = 6;
     }
-    if (typeof drone == "undefined"){
-        drone = new Drone();
-    }
     var i=0, distanceBetweenTrees = 11;
     //
     // step 1 build the road.
     //
     var cottagesPerSide = Math.floor(numberCottages/2);
-    drone
+    this
         .chkpt("cottage_road") // make sure the drone's state is saved.
         .box(43,3,1,cottagesPerSide*(distanceBetweenTrees+1)) // build the road
         .up().right() // now centered in middle of road
@@ -64,30 +58,30 @@ function cottage_road(numberCottages,/* optional */ drone)
     // step 2 line the road with trees
     //
     for (; i < cottagesPerSide+1;i++){
-        drone
+        this
             .left(5).oak() 
             .right(10).oak()
             .left(5) // return to middle of road
             .fwd(distanceBetweenTrees+1); // move forward.
     }
-    drone.move("cr").back(6); // move back 1/2 the distance between trees
+    this.move("cr").back(6); // move back 1/2 the distance between trees
 
     // this function builds a path leading to a cottage.
     function pathAndCottage(d){
-        return cottage(d.down().box(43,1,1,5).fwd(5).left(3).up());
+        return d.down().box(43,1,1,5).fwd(5).left(3).up().cottage();
     };
     //
     // step 3 build cottages on each side
     //
     for (i = 0;i < cottagesPerSide; i++)
     {
-        drone.fwd(distanceBetweenTrees+1).chkpt("r"+i);
+        this.fwd(distanceBetweenTrees+1).chkpt("r"+i);
         // build cottage on left
-        pathAndCottage(drone.turn(3)).move("r"+i);
+        pathAndCottage(this.turn(3)).move("r"+i);
         // build cottage on right
-        pathAndCottage(drone.turn()).move("r"+i);
+        pathAndCottage(this.turn()).move("r"+i);
     }
     // return drone to where it was at start of function
-    return drone.move("cottage_road"); 
+    return this.move("cottage_road"); 
-}
+});
 

example_scripts/fort.js

@@ -1,11 +1,9 @@
 load($SCRIPT_DIR + "/../drone.js");
 //
 // constructs a medieval fort
-//
+// 
-function fort(side, height, drone)
+Drone.extend('fort', function(side, height)
 {
-	 if (typeof drone == "undefined")
-		  drone = new Drone();
 	 if (typeof side == "undefined")
 		  side = 18;
 	 if (typeof height == "undefined")
@@ -19,43 +17,45 @@ function fort(side, height, drone)
 	 //
 	 // build walls.
 	 //
-	 drone.chkpt('fort').box0(brick,side,height-1,side);
+	 this.chkpt('fort').box0(brick,side,height-1,side);
 	 //
 	 // build turrets
 	 //
-	 drone.up(height-1);
+	 this.up(height-1);
 	 for (i = 0;i <= 3;i++){
 		  var turret = [];
-		  drone.box(brick) // solid brick corners
+		  this.box(brick) // solid brick corners
 				.up().box('50:5').down() // light a torch on each corner
 				.fwd(); 
-		  turret.push('109:'+ Drone.PLAYER_STAIRS_FACING[drone.dir]);
+		  turret.push('109:'+ Drone.PLAYER_STAIRS_FACING[this.dir]);
-		  turret.push('109:'+ Drone.PLAYER_STAIRS_FACING[(drone.dir+2)%4]);
+		  turret.push('109:'+ Drone.PLAYER_STAIRS_FACING[(this.dir+2)%4]);
-		  drone.box(turret,1,1,side-2).fwd(side-2).turn();
+		  this.box(turret,1,1,side-2).fwd(side-2).turn();
 	 }
 	 //
 	 // build battlements
 	 //
-	 drone.move('fort');
+	 this.move('fort');
-	 drone.up(height-2).fwd().right().box('44:5',side-2,1,side-2);
+	 this.up(height-2).fwd().right().box('44:5',side-2,1,side-2);
 	 var battlementWidth = 3;
 	 if (side <= 12)
 		  battlementWidth = 2;
 	 
-	 drone.fwd(battlementWidth).right(battlementWidth)
+	 this.fwd(battlementWidth).right(battlementWidth)
 		  .box(0,side-((1+battlementWidth)*2),1,side-((1+battlementWidth)*2));
 	 //
 	 // add door
 	 //
-	 var torch = '50:' + Drone.PLAYER_TORCH_FACING[drone.dir];
+	 var torch = '50:' + Drone.PLAYER_TORCH_FACING[this.dir];
-	 drone.move('fort').right((side/2)-1).door2() // double doors
+	 this.move('fort').right((side/2)-1).door2() // double doors
 		  .back().left().up().box(torch) // left torch
 		  .right(3).box(torch); // right torch
 	 //
 	 // add ladder up to battlements
 	 //
-	 var ladder = '65:' + Drone.PLAYER_SIGN_FACING[(drone.dir+2)%4];
+	 var ladder = '65:' + Drone.PLAYER_SIGN_FACING[(this.dir+2)%4];
-	 drone.move('fort').right((side/2)-3).fwd(1) // move inside fort
+	 this.move('fort').right((side/2)-3).fwd(1) // move inside fort
 		  .box(ladder, 1,height-1,1);
-	 return drone.move('fort');
+	 return this.move('fort');
-};
+	 
+});
+