diff --git a/assets/base/alternate_tank/manifest.yaml b/assets/base/alternate_tank/manifest.yaml
index d74da7c..1dd6fd6 100644
--- a/assets/base/alternate_tank/manifest.yaml
+++ b/assets/base/alternate_tank/manifest.yaml
@@ -1,2 +1,5 @@
 name: "Alternate Tank"
-model: "alternate_tank.obj"
\ No newline at end of file
+model: "alternate_tank.obj"
+scripts: [
+  "vehicle"
+]
\ No newline at end of file
diff --git a/assets/base/alternate_tank/scripts/vehicle.rb b/assets/base/alternate_tank/scripts/vehicle.rb
new file mode 100644
index 0000000..cbe4fb2
--- /dev/null
+++ b/assets/base/alternate_tank/scripts/vehicle.rb
@@ -0,0 +1,9 @@
+context Vehicle # Generic, Weapon
+
+on.button_down(:interact) do |event|
+  if event.player.touching?(event.entity)
+    event.player.enter_vehicle
+  elsif event.player.driving?(event.entity) or event.player.passenger?(event.entity)
+    event.player.exit_vehicle
+  end
+end
\ No newline at end of file
diff --git a/assets/base/power_plant/manifest.yaml b/assets/base/power_plant/manifest.yaml
index a594f80..c704838 100644
--- a/assets/base/power_plant/manifest.yaml
+++ b/assets/base/power_plant/manifest.yaml
@@ -2,10 +2,16 @@ name: "power_plant"
 model: "power_plant.obj"
 collision: "mesh"
 collision_mesh: null # Use model mesh for collision detection
+scripts: [
+  "power_plant"
+]
 uses:
   -
     package: "base"
-    model: "purchase_terminal"
+    name: "purchase_terminal"
   -
     package: "base"
-    model: "information_panel"
\ No newline at end of file
+    name: "information_panel"
+  -
+    package: "base"
+    name: "door"
\ No newline at end of file
diff --git a/assets/base/power_plant/scripts/power_plant.rb b/assets/base/power_plant/scripts/power_plant.rb
new file mode 100644
index 0000000..4459ddd
--- /dev/null
+++ b/assets/base/power_plant/scripts/power_plant.rb
@@ -0,0 +1,8 @@
+context Building
+
+on.create do |event|
+  map.add_entity("base", "purchase_terminal", Vector.new(0, 1.5, 0), Vector.new(0, 90, 0), data: {team: event.entity.team})
+  map.add_entity("base", "information_panel", Vector.new(2, 1.5, 0), Vector.new(0, 0, 0))
+  map.add_entity("base", "door", Vector.new(2, 0, 6), Vector.new(0, 0, 0))
+  map.add_entity("base", "door", Vector.new(2, 0, 6), Vector.new(0, 180, 0))
+end
\ No newline at end of file
diff --git a/lib/game_objects/camera.rb b/lib/game_objects/camera.rb
index 3bd607f..d867726 100644
--- a/lib/game_objects/camera.rb
+++ b/lib/game_objects/camera.rb
@@ -91,6 +91,7 @@ class IMICFPS
 
         if @entity
           @entity.orientation.y += delta
+          @entity.orientation.y %= 360.0
           position_camera
         else
           free_move
diff --git a/lib/game_objects/entities/player.rb b/lib/game_objects/entities/player.rb
index b46e11a..589ff5e 100644
--- a/lib/game_objects/entities/player.rb
+++ b/lib/game_objects/entities/player.rb
@@ -7,7 +7,7 @@ class IMICFPS
     attr_reader :name, :bound_model, :first_person_view
 
     def setup
-      bind_model("base", "biped")
+      bind_model
       @collision = :dynamic
       @physics = true
 
diff --git a/lib/game_objects/entity.rb b/lib/game_objects/entity.rb
index 6937739..112266f 100644
--- a/lib/game_objects/entity.rb
+++ b/lib/game_objects/entity.rb
@@ -17,7 +17,7 @@ class IMICFPS
 
       @backface_culling = backface_culling
       @name = @manifest.name
-      @bound_model = map_entity ? bind_model(map_entity.package, map_entity.model) : nil
+      @bound_model = map_entity ? bind_model : nil
 
       @visible = true
       @renderable = true
@@ -32,7 +32,7 @@ class IMICFPS
       # :static => does not move ever,
       # :none => no collision check, entities can pass through
       @collision  = :static
-      @physics    = false # Entity affected by gravity and what not
+      @physics    = @manifest.physics # Entity affected by gravity and what not
       @mass       = 100 # kg
 
       @delta_time = Gosu.milliseconds
@@ -56,7 +56,7 @@ class IMICFPS
       @collidable.include?(@collision)
     end
 
-    def bind_model(package, name)
+    def bind_model
       model = ModelLoader.new(manifest: @manifest, entity: @dummy_entity)
 
       raise "model isn't a model!" unless model.is_a?(ModelLoader)
diff --git a/lib/manifest.rb b/lib/manifest.rb
index bf6fa3f..6ada404 100644
--- a/lib/manifest.rb
+++ b/lib/manifest.rb
@@ -1,17 +1,19 @@
 class IMICFPS
   class Manifest
-    attr_reader :name, :model, :collision, :collision_mesh, :scripts, :uses
-    def initialize(manifest_file: nil, package: nil, model: nil)
+    attr_reader :name, :model, :collision, :collision_mesh, :physics, :scripts, :uses
+    def initialize(manifest_file: nil, package: nil, name: nil)
       unless manifest_file
         raise "Entity package not specified!" unless package
-        raise "Entity model not specified!" unless model
-        manifest_file = "#{IMICFPS.assets_path}/#{package}/#{model}/manifest.yaml"
+        raise "Entity name not specified!" unless name
+        manifest_file = "#{IMICFPS.assets_path}/#{package}/#{name}/manifest.yaml"
       end
 
       raise "No manifest found at: #{manifest_file}" unless  File.exist?(manifest_file)
 
       @file = manifest_file
       parse(manifest_file)
+
+      pp @scripts
     end
 
     def parse(file)
@@ -24,12 +26,34 @@ class IMICFPS
       # optional
       @collision = data["collision"] ? data["collision"] : nil
       @collision_mesh = data["collision_mesh"] ? data["collision_mesh"] : nil
-      @scripts = data["scripts"] ? data["scripts"] : []
-      @uses = data["uses"] ? data["uses"] : [] # List of entities that this Entity uses
+      @physics = data["physics"] ? data["physics"] : false
+      @scripts = data["scripts"] ? parse_scripts(data["scripts"]) : []
+      @uses = data["uses"] ? parse_dependencies(data["uses"]) : [] # List of entities that this Entity uses
+    end
+
+    def parse_scripts(scripts)
+      list = []
+      scripts.each do |script|
+        list << Script.new(script, File.read("#{file_path}/scripts/#{script}.rb"))
+      end
+
+      return list
+    end
+
+    def parse_dependencies(list)
+      dependencies = []
+      list.each do |item|
+        dependencies << Dependency.new(item["package"], item["name"])
+      end
+
+      return dependencies
     end
 
     def file_path
       File.expand_path("./../", @file)
     end
+
+    Script = Struct.new(:name, :source)
+    Dependency = Struct.new(:package, :name)
   end
 end
\ No newline at end of file
diff --git a/lib/map.rb b/lib/map.rb
index 7506370..a356093 100644
--- a/lib/map.rb
+++ b/lib/map.rb
@@ -31,7 +31,7 @@ class IMICFPS
 
       if section = data["terrain"]
         @terrain.package     = section["package"]
-        @terrain.model       = section["model"]
+        @terrain.name        = section["name"]
         @terrain.position    = Vector.new
         @terrain.orientation = Vector.new
         if section["scale"]
@@ -55,7 +55,7 @@ class IMICFPS
 
       if section = data["skydome"]
         @skydome.package     = section["package"]
-        @skydome.model       = section["model"]
+        @skydome.name        = section["name"]
         @skydome.position    = Vector.new
         @skydome.orientation = Vector.new
         if section["scale"]
@@ -80,7 +80,7 @@ class IMICFPS
         section.each do |ent|
           entity = Map::Entity.new
           entity.package  = ent["package"]
-          entity.model    = ent["model"]
+          entity.name     = ent["name"]
           entity.position = Vector.new(
             ent["position"]["x"],
             ent["position"]["y"],
@@ -132,7 +132,7 @@ class IMICFPS
     end
 
     MetaData   = Struct.new(:name, :gamemode, :authors, :datetime, :thumbnail, :description)
-    Entity     = Struct.new(:package, :model, :position, :orientation, :scale, :water_level, :scripts)
+    Entity     = Struct.new(:package, :name, :position, :orientation, :scale, :water_level, :scripts)
     SpawnPoint = Struct.new(:team, :position, :orientation)
   end
 end
\ No newline at end of file
diff --git a/lib/states/game_states/game.rb b/lib/states/game_states/game.rb
index 478afd2..f4b9c10 100644
--- a/lib/states/game_states/game.rb
+++ b/lib/states/game_states/game.rb
@@ -6,17 +6,17 @@ class IMICFPS
       @collision_manager = CollisionManager.new(game_state: self)
       @renderer = Renderer.new(game_state: self)
       @map = @options[:map]
-      add_entity(Terrain.new(map_entity: @map.terrain, manifest: Manifest.new(package: @map.terrain.package, model: @map.terrain.model)))
+      add_entity(Terrain.new(map_entity: @map.terrain, manifest: Manifest.new(package: @map.terrain.package, name: @map.terrain.name)))
 
       @draw_skydome = true
-      @skydome = Skydome.new(map_entity: @map.skydome, manifest: Manifest.new(package: @map.skydome.package, model: @map.skydome.model), backface_culling: false)
+      @skydome = Skydome.new(map_entity: @map.skydome, manifest: Manifest.new(package: @map.skydome.package, name: @map.skydome.name), backface_culling: false)
       add_entity(@skydome)
 
       @map.entities.each do |ent|
-        add_entity(Entity.new(map_entity: ent, manifest: Manifest.new(package: ent.package, model: ent.model)))
+        add_entity(Entity.new(map_entity: ent, manifest: Manifest.new(package: ent.package, name: ent.name)))
       end
 
-      @player = Player.new(spawnpoint: @map.spawnpoints.sample, manifest: Manifest.new(package: "base", model: "biped"))
+      @player = Player.new(spawnpoint: @map.spawnpoints.sample, manifest: Manifest.new(package: "base", name: "biped"))
       add_entity(@player)
       @camera = Camera.new(position: @player.position.clone)
       @camera.attach_to(@player)
diff --git a/lib/states/game_states/loading_state.rb b/lib/states/game_states/loading_state.rb
index a932c14..8f00736 100644
--- a/lib/states/game_states/loading_state.rb
+++ b/lib/states/game_states/loading_state.rb
@@ -14,10 +14,10 @@ class IMICFPS
       @asset_index = 0
       # add_asset(:shader, nil, "default")
 
-      add_asset(:model, @map.terrain.package, @map.terrain.model)
-      add_asset(:model, @map.skydome.package, @map.skydome.model)
+      add_asset(:model, @map.terrain.package, @map.terrain.name)
+      add_asset(:model, @map.skydome.package, @map.skydome.name)
       @map.entities.each do |entity|
-        add_asset(:model, entity.package, entity.model)
+        add_asset(:model, entity.package, entity.name)
       end
 
       add_asset(:model, "base", "biped")
@@ -53,6 +53,7 @@ class IMICFPS
         case hash[:type]
         when :model
           manifest = Manifest.new(manifest_file: IMICFPS.assets_path + "/#{hash[:package]}/#{hash[:name]}/manifest.yaml")
+          add_required_assets(manifest)
           ModelLoader.new(manifest: manifest, entity: @dummy_entity)
         when :shader
           Shader.new(name: hash[:name], vertex: "shaders/vertex/#{hash[:name]}.glsl", fragment: "shaders/fragment/#{hash[:name]}.glsl")
@@ -82,6 +83,15 @@ class IMICFPS
       @assets << {type: type, package: package, name: name}
     end
 
+    def add_required_assets(manifest)
+      manifest.uses.each do |dependency|
+        known = @assets.detect {|asset| asset[:package] == dependency.package && asset[:name] == dependency.name}
+        unless known
+          add_asset(:model, dependency.package, dependency.name)
+        end
+      end
+    end
+
     def progressbar(x = window.width/4, y = window.height - 104)
       @percentage.draw
       progress = (@asset_index.to_f/@assets.count)*window.width/2
diff --git a/maps/test_map.json b/maps/test_map.json
index 0445c52..2d8d532 100644
--- a/maps/test_map.json
+++ b/maps/test_map.json
@@ -10,20 +10,20 @@
 
   "terrain":{
     "package":"base",
-    "model":"river_terrain",
+    "name":"river_terrain",
     "water_level":null
   },
 
   "skydome":{
     "package":"base",
-    "model":"skydome",
+    "name":"skydome",
     "scale":0.08
   },
 
   "entities":[
     {
       "package":"base",
-      "model":"tree",
+      "name":"tree",
       "position": {
         "x":0,
         "y":0.6,
@@ -39,7 +39,7 @@
     },
     {
       "package":"base",
-      "model":"tree",
+      "name":"tree",
       "position": {
         "x":16.7,
         "y":1.1,
@@ -55,7 +55,7 @@
     },
     {
       "package":"base",
-      "model":"tree",
+      "name":"tree",
       "position": {
         "x":-21.2121,
         "y":0.06,
@@ -71,7 +71,7 @@
     },
     {
       "package":"base",
-      "model":"power_plant",
+      "name":"power_plant",
       "position": {
         "x":37.8788,
         "y":0.343869,
@@ -87,7 +87,7 @@
     },
     {
       "package":"base",
-      "model":"purchase_terminal",
+      "name":"purchase_terminal",
       "position": {
         "x":37.8788,
         "y":1.843869,
@@ -103,7 +103,7 @@
     },
     {
       "package":"base",
-      "model":"information_panel",
+      "name":"information_panel",
       "position": {
         "x":37.8788,
         "y":0.343869,
@@ -119,7 +119,7 @@
     },
     {
       "package":"base",
-      "model":"door",
+      "name":"door",
       "position": {
         "x":37.8788,
         "y":0.343869,
@@ -135,7 +135,7 @@
     },
     {
       "package":"base",
-      "model":"door",
+      "name":"door",
       "position": {
         "x":37.8788,
         "y":0.343869,
@@ -151,7 +151,7 @@
     },
     {
       "package":"base",
-      "model":"war_factory",
+      "name":"war_factory",
       "position": {
         "x":39.3939,
         "y":0.499657,
@@ -167,7 +167,7 @@
     },
     {
       "package":"base",
-      "model":"alternate_tank",
+      "name":"alternate_tank",
       "position": {
         "x":39.3939,
         "y":0.799657,
@@ -200,13 +200,13 @@
     {
       "team":1,
       "position": {
-        "x": 37.8788,
-        "y": 0.343869,
-        "z": -4.06061
+        "x": 39.3939,
+        "y": 0.799657,
+        "z": 17.69697
       },
       "orientation": {
         "x": 0,
-        "y": 180,
+        "y": 0,
         "z": 0
       }
     }