Did some reorganizing

i-mic-fps.rb

@@ -18,13 +18,16 @@ end
 
 BoundingBox = Struct.new(:min_x, :min_y, :min_z, :max_x, :max_y, :max_z)
 
-$debug = true if ARGV.join.include?("--debug")
+$debug = ARGV.join.include?("--debug") ? true : false
+
+require_relative "lib/managers/object_manager"
+require_relative "lib/managers/light_manager"
 
 require_relative "lib/objects/light"
-require_relative "lib/wavefront/parser"
+require_relative "lib/objects/model"
+
 require_relative "lib/wavefront/model"
-require_relative "lib/wavefront/object"
-require_relative "lib/wavefront/material"
+
 require_relative "lib/window"
 
 MODEL_METER_SCALE = 0.001 # Objects exported from blender using the millimeter object scale will be close to 1 GL unit

lib/managers/light_manager.rb

@@ -0,0 +1,4 @@
+class IMICFPS
+  class LightManager
+  end
+end

lib/managers/object_manager.rb

@@ -0,0 +1,20 @@
+class IMICFPS
+  TextureCoordinate = Struct.new(:u, :v, :weight)
+  Vertex = Struct.new(:x, :y, :z, :weight)
+  Point = Struct.new(:x, :y)
+  Color = Struct.new(:red, :green, :blue, :alpha)
+
+  class ObjectManager
+    OBJECTS = []
+    def self.add_object(model)
+      OBJECTS << model
+    end
+
+    def self.find_object()
+    end
+
+    def self.objects
+      OBJECTS
+    end
+  end
+end

lib/objects/model.rb

@@ -0,0 +1,97 @@
+class IMICFPS
+  class Model
+    def self.supported_models
+      ["Wavefront OBJ"]
+    end
+
+    CACHE = {}
+
+    include OpenGL
+    include GLU
+
+    attr_accessor :x, :y, :z, :scale
+    attr_accessor :visible, :renderable
+    attr_accessor :x_rotation, :y_rotation, :z_rotation
+
+    def initialize(type:, file_path:, x: 0, y: 0, z: 0, scale: MODEL_METER_SCALE, backface_culling: true)
+      @type = type
+      @file_path = file_path
+      @x,@y,@z,@scale = x,y,z,scale
+      @backface_culling = backface_culling
+      @visible = true
+      @renderable = true
+      @x_rotation,@y_rotation,@z_rotation = 0,0,0
+
+      @model = nil
+
+      unless load_model_from_cache
+        case type
+        when :obj
+          p file_path
+          @model = Wavefront::Model.new(@file_path)
+        else
+          raise "Unsupported model type, supported models are: #{Model.supported_models.join(', ')}"
+        end
+      end
+
+      cache_model
+
+      ObjectManager.add_object(self)
+
+      setup
+
+      return self
+    end
+
+    def setup
+    end
+
+    def draw
+      handleGlError
+
+      glEnable(GL_NORMALIZE)
+      glPushMatrix
+      glTranslatef(x,y,z)
+      glScalef(scale, scale, scale)
+      glRotatef(@x_rotation,1.0, 0, 0)
+      glRotatef(@y_rotation,0, 1.0, 0)
+      glRotatef(@z_rotation,0, 0, 1.0)
+
+      handleGlError
+      @model.draw(@x, @y, @z, @scale, @backface_culling)
+      handleGlError
+
+      glPopMatrix
+      handleGlError
+    end
+
+    def update
+    end
+
+    def load_model_from_cache
+      found = false
+      if CACHE[@type].is_a?(Hash)
+        if CACHE[@type][@file_path]
+          @model = CACHE[@type][@file_path]
+          puts "Used cached model for: #{@file_path.split('/').last}"
+          found = true
+        end
+      end
+
+      return found
+    end
+
+    def cache_model
+      CACHE[@type] = {} unless CACHE[@type].is_a?(Hash)
+      CACHE[@type][@file_path] = @model
+    end
+
+    def handleGlError
+      e = glGetError()
+      if e != GL_NO_ERROR
+        $stderr.puts "OpenGL error in: #{gluErrorString(e)} (#{e})\n"
+        exit
+      end
+    end
+  end
+end

lib/wavefront/material.rb

@@ -6,9 +6,9 @@ class IMICFPS
       attr_reader :texture
       def initialize(name)
         @name    = name
-        @ambient = Wavefront::Model::Color.new(1, 1, 1, 1)
-        @diffuse = Wavefront::Model::Color.new(1, 1, 1, 1)
-        @specular= Wavefront::Model::Color.new(1, 1, 1, 1)
+        @ambient = Color.new(1, 1, 1, 1)
+        @diffuse = Color.new(1, 1, 1, 1)
+        @specular= Color.new(1, 1, 1, 1)
         @texture = nil
         @texture_id = nil
       end

lib/wavefront/model.rb

@@ -1,3 +1,7 @@
+require_relative "parser"
+require_relative "object"
+require_relative "material"
+
 class IMICFPS
   class Wavefront
     class Model
@@ -47,25 +51,7 @@ class IMICFPS
         end
       end
 
-      def handleGlError
-        e = glGetError()
-        if e != GL_NO_ERROR
-          $stderr.puts "OpenGL error in: #{gluErrorString(e)} (#{e})\n"
-          exit
-        end
-      end
-
-      def draw(x, y, z, scale = MODEL_METER_SCALE, back_face_culling = true)
-        handleGlError
-        render(x,y,z, scale, back_face_culling)
-        handleGlError
-      end
-
-      def render(x,y,z, scale, back_face_culling)
-        glEnable(GL_NORMALIZE)
-        glPushMatrix
-        glTranslatef(x,y,z)
-        glScalef(scale, scale, scale)
+      def draw(x,y,z, scale, back_face_culling)
         @objects.each_with_index do |o, i|
           glEnable(GL_CULL_FACE) if back_face_culling
           glEnable(GL_COLOR_MATERIAL)
@@ -95,12 +81,11 @@ class IMICFPS
             # glBindTexture(GL_TEXTURE_2D, 0)
             glDisable(GL_TEXTURE_2D)
           end
+          render_bounding_box(o.bounding_box, o.debug_color) if $debug
           glDisable(GL_CULL_FACE) if back_face_culling
           glDisable(GL_COLOR_MATERIAL)
-          render_bounding_box(o.bounding_box, o.debug_color) if $debug
         end
         render_bounding_box(@bounding_box) if $debug
-        glPopMatrix
 
 
         $window.number_of_faces+=self.faces.size

lib/wavefront/object.rb

@@ -11,7 +11,7 @@ class IMICFPS
         @normals  = []
         @faces    = []
         @bounding_box = BoundingBox.new(nil,nil,nil, nil,nil,nil)
-        @debug_color = Parser::Color.new(1.0,0.0,0.0)
+        @debug_color = Color.new(1.0,0.0,0.0)
 
         # Faces array packs everything:
         #   vertex   = index[0]

lib/wavefront/parser.rb

@@ -1,10 +1,6 @@
 class IMICFPS
   class Wavefront
     module Parser
-      TextureCoordinate = Struct.new(:u, :v, :weight)
-      Vertex = Struct.new(:x, :y, :z, :weight)
-      Color = Struct.new(:red, :green, :blue, :alpha)
-
       def parse
         lines = 0
         @file.each_line do |line|

lib/window.rb

@@ -3,7 +3,6 @@ class IMICFPS
     include OpenGL
     include GLU
     # include GLUT
-    Point = Struct.new(:x, :y)
 
     attr_accessor :number_of_faces, :needs_cursor
 
@@ -19,15 +18,16 @@ class IMICFPS
       @delta_time = Gosu.milliseconds
       @number_of_faces = 0
       @draw_skydome = true
-      @skydome = Wavefront::Model.new("objects/skydome.obj")
-      @plane = Wavefront::Model.new("objects/plane.obj")
-      @cube = Wavefront::Model.new("objects/cube.obj")
-      @model = Wavefront::Model.new("objects/biped.obj")
-      @tree = Wavefront::Model.new("objects/tree.obj")
-      @mega_model = Wavefront::Model.new("objects/sponza.obj")
+      Model.new(type: :obj, file_path: "objects/skydome.obj", x: 0, y: 0,z: 0, scale: 1, backface_culling: false)
+      Model.new(type: :obj, file_path: "objects/cube.obj", x: 0,y: 1,z: -2, scale: 0.0005)
+      Model.new(type: :obj, file_path: "objects/biped.obj", x: 1, y: 0, z: 0)
+      Model.new(type: :obj, file_path: "objects/tree.obj", x: 3)
+      Model.new(type: :obj, file_path: "objects/tree.obj", z: -5)
+      Model.new(type: :obj, file_path: "objects/tree.obj", x: -2, z: -6)
+      Model.new(type: :obj, file_path: "objects/sponza.obj", scale: 1, y: -0.2)
 
-      @camera = Wavefront::Model::Vertex.new(0,-1,0)
-      @camera_target = Wavefront::Model::Vertex.new(0,-1,0)
+      @camera = Vertex.new(0,-1,0)
+      @camera_target = Vertex.new(0,-1,0)
       @speed = 0.05
       @old_speed = @speed
       @vertical_angle = 0.0 # |
@@ -35,7 +35,7 @@ class IMICFPS
       self.mouse_x, self.mouse_y = Gosu.screen_width/2, Gosu.screen_height/2
       @true_mouse = Point.new(Gosu.screen_width/2, Gosu.screen_height/2)
       @true_mouse_checked = 0
-      @mouse_sesitivity = 5.0
+      @mouse_sesitivity = 20.0
       @initial_fov = 70.0
 
       @crosshair_size = 10
@@ -81,22 +81,17 @@ class IMICFPS
         glMatrixMode(GL_MODELVIEW) # The modelview matrix is where object information is stored.
         glLoadIdentity
 
-        @camera_light.draw
         glEnable(GL_DEPTH_TEST)
+        @camera_light.draw
 
         glRotatef(@vertical_angle,1,0,0)
         glRotatef(@horizontal_angle,0,1,0)
         glTranslatef(@camera.x, @camera.y, @camera.z)
         # gluLookAt(@camera.x,@camera.y,@camera.z, @horizontal_angle,@vertical_angle,0, 0,1,0)
 
-        @skydome.draw(0,0,0, 1, false) if @draw_skydome
-        @cube.draw(0,1,-2, 0.0005)
-        @plane.draw(0,-1,-4, 0.0005, false)
-        @model.draw(1, 0, 0)
-        @tree.draw(5, 0, 0)
-        @tree.draw(5, 0, 3)
-        @tree.draw(3, 0, 10)
-        # @mega_model.draw(0,0,0, 1)
+        ObjectManager.objects.each do |object|
+          object.draw if object.visible && object.renderable
+        end
       end
 
       # Draw crosshair
@@ -109,6 +104,7 @@ class IMICFPS
     end
 
     def update
+      @last_frame_time = Gosu.milliseconds
       @text = "OpenGL Vendor: #{glGetString(GL_VENDOR)}~
       OpenGL Renderer: #{glGetString(GL_RENDERER)} ~
       OpenGL Version: #{glGetString(GL_VERSION)}~
@@ -122,7 +118,10 @@ class IMICFPS
       ~
       Draw Skydome: #{@draw_skydome}~
       Debug mode: <c=992200>#{$debug}</b>~"
-      @last_frame_time = Gosu.milliseconds
+
+      ObjectManager.objects.each do |object|
+        object.update
+      end
 
       if @true_mouse_checked > 2
         @horizontal_angle-=Float(@true_mouse.x-self.mouse_x)/@mouse_sesitivity