Did some reorganizing

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