Adds randomiseFloor and randomiseBorder functions

app/templates/modal/terrain_randomise.jade

@@ -6,7 +6,7 @@ block modal-header-content
 block modal-body-content
   div#normal-view
     a(href="#")
-        div.choose-option(data-preset-type="grassy", data-preset-size="small")
+        div.choose-option(data-preset-type="dungeon", data-preset-size="small")
           div.preset-size.name-label
             span(data-i18n="ladder.small") Small
           div.preset-name

app/views/modal/terrain_randomise_modal.coffee

@@ -2,6 +2,34 @@ ModalView = require 'views/kinds/ModalView'
 template = require 'templates/modal/terrain_randomise'
 CocoModel = require 'models/CocoModel'
 
+presets = {
+  'dungeon': {
+    'type':'dungeon'
+    'borders':['Dungeon Wall']
+    'floors':['Dungeon Floor']
+    'decorations':[]
+  }
+}
+
+sizes = {
+  'small': {
+    'x':80
+    'y':68
+  }
+  'large': {
+    'x':160
+    'y':136
+  }
+  'floorSize': {
+    'x':20
+    'y':20
+  }
+  'borderSize': {
+    'x':4
+    'y':4
+  }
+}
+
 module.exports = class TerrainRandomiseModal extends ModalView
   id: 'terrain-randomise-modal'
   template: template
@@ -18,16 +46,68 @@ module.exports = class TerrainRandomiseModal extends ModalView
 
   onRandomise: (e) ->
     @thangs = []
-    @thangs.push {
-      'id':'Grass01'
-      'pos':{
-        'x':20
-        'y':20
-        }
-      }
+    target = $(e.target)
+    presetType = target.attr 'data-preset-type'
+    presetSize = target.attr 'data-preset-size'
+    @randomiseThangs presetType, presetSize
+
     Backbone.Mediator.publish('randomise:terrain-generated', 
       'thangs': @thangs
     )
+
+  randomiseThangs: (presetName, presetSize) ->
+    preset = presets[presetName]
+    presetSize = sizes[presetSize]
+    @thangs = []
+    @randomiseFloor preset, presetSize
+    @randomiseBorder preset, presetSize
+
+  randomiseFloor: (preset, presetSize) ->
+    for i in _.range(0, presetSize.x, sizes.floorSize.x)
+      for j in _.range(0, presetSize.y, sizes.floorSize.y)
+        @thangs.push {
+          'id': @getRandomThang(preset.floors)
+          'pos': {
+            'x': i
+            'y': j
+          }
+        }
+
+  randomiseBorder: (preset, presetSize) ->
+    for i in _.range(0-sizes.floorSize.x/2+sizes.borderSize.x, presetSize.x-sizes.floorSize.x/2, sizes.borderSize.x)
+      @thangs.push {
+        'id': @getRandomThang(preset.borders)
+        'pos': {
+          'x': i
+          'y': 0-sizes.floorSize.x/2
+        }
+      }
+      @thangs.push {
+        'id': @getRandomThang(preset.borders)
+        'pos': {
+          'x': i
+          'y': presetSize.y - sizes.borderSize.y
+        }
+      }
+
+    for i in _.range(0-sizes.floorSize.y/2, presetSize.y-sizes.borderSize.y, sizes.borderSize.y)
+      @thangs.push {
+        'id': @getRandomThang(preset.borders)
+        'pos': {
+          'x': 0-sizes.floorSize.x/2+sizes.borderSize.x
+          'y': i
+        }
+      }
+      @thangs.push {
+        'id': @getRandomThang(preset.borders)
+        'pos': {
+          'x': presetSize.x - sizes.borderSize.x - sizes.floorSize.x/2
+          'y': i
+        }
+      }
+
+  getRandomThang: (thangList) ->
+    return thangList[_.random(0, thangList.length-1)]
     
   getRenderData: ->
     c = super()