1 files changed, 115 insertions, 0 deletions
diff --git a/public/assets/javascripts/rectangles/engine/scenery/randomize.js b/public/assets/javascripts/rectangles/engine/scenery/randomize.js
new file mode 100644
index 0000000..6581f38
--- /dev/null
+++ b/public/assets/javascripts/rectangles/engine/scenery/randomize.js
@@ -0,0 +1,115 @@
+/*
+  // get the list of media we want to place
+  var media_objs = $(".mediaContainer").toArray().map(function(el){
+    return $(el).data("media")
+  })
+  Scenery.randomize.add( media_objs )
+*/
+
+Scenery.randomize = {};
+
+// Given a list of media objects, generate their ideal dimensions
+Scenery.randomize.get_dimensions = function (media_objs){
+  var media_list = media_objs.map(function(media){
+    var width, height
+    if (media.width > media.height) {
+      width = Math.min(DEFAULT_PICTURE_WIDTH, media.width)
+      height = media.height/media.width * width
+    }
+    else {
+      height = Math.min(DEFAULT_PICTURE_WIDTH, media.height)
+      width = media.width/media.height * height
+    }
+    return {
+      dimensions: new vec2( width, height ),
+      media: media,
+    }
+  })
+  return media_list
+}
+
+// Build the lookup of empty walls.
+// Takes a list of walls to use, or undefined to use all empty walls.
+// Returns a lookup of walls to use, keyed by wall ID.
+Scenery.randomize.get_empty_walls = function(wall_list){
+  // get a list of all walls
+  var walls = {}, removed = [];
+
+  (wall_list || Walls.list).forEach(function(wall){
+    walls[wall.id] = wall
+  })
+
+  // remove the walls that already have stuff on them
+  if (! wall_list) {
+    Scenery.forEach(function(scenery){
+      if (scenery.was_randomly_placed) {
+        // remove it and reuse this wall?
+        removed.push( scenery.serialize() )
+        Scenery.remove( scenery.id )
+      }
+      else {
+        delete walls[scenery.wall.id] 
+      }
+    })
+  }
+  
+  return { walls: walls, removed: removed }
+}
+
+// Randomly place a set of media objects on empty walls.
+// Only one object per wall will be added.
+// Optionally takes a list of walls to use.
+Scenery.randomize.add = function (media_objs, wall_list) {
+  var media_list = Scenery.randomize.get_dimensions(media_objs)
+  var empty_data = Scenery.randomize.get_empty_walls(wall_list)
+  var walls = empty_data.walls
+  var removed = empty_data.removed
+  var added = []
+  
+  var wall_ids = _.keys(walls)
+  if (! wall_ids.length) { return }
+
+  // randomize walls
+  shuffle(wall_ids)
+  shuffle(media_list)
+
+  // assign each of the media to the walls, until we run out of either
+  media_list.some(function(media){
+    // bail if we're out of walls
+    if (wall_ids.length == 0) { return true }
+  
+    var i, fits = -1
+
+    for (i = 0; i < wall_ids.length; i++) {
+      if (walls[wall_ids[i]].surface.fits(media.dimensions)) {
+        fits = i
+        break
+      }
+    }
+
+    if (fits != -1) {
+      var wall = walls[wall_ids[fits]]
+      wall_ids.splice(fits, 1)
+    
+      var scenery = Scenery.add({
+        media: media.media,
+        wall: wall,
+        index: 0,
+      })
+      scenery.was_randomly_placed = true
+      added.push(scenery.serialize())
+    }
+    else {
+      // artwork won't fit anywhere??
+    }
+  
+    return false
+  })
+  
+  UndoStack.push({
+    type: "randomize-scenery",
+    undo: { added: added, removed: removed },
+    redo: { added: added, removed: removed },
+  })
+  
+}
+\ No newline at end of file