1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2015 Joseph Helm and Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Drawing.Printing;
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24 | using System.Windows.Forms;
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25 | using SharpDX;
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26 | using SharpDX.Direct3D11;
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27 | using SharpDX.Toolkit;
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28 | using SharpDX.Toolkit.Graphics;
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29 | using SharpDX.Toolkit.Input;
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30 |
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31 | using ButtonStateDX = SharpDX.Toolkit.Input.ButtonState;
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32 |
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33 |
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34 | namespace PackingPlanVisualizations {
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35 | public class PackingGame : Game {
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36 |
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37 |
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38 | #region Global Private Variables
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39 | private GraphicsDeviceManager graphicsDeviceManager;
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40 | private PackingPlan3D control;
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41 | private Matrix worldMatrix;
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42 | private Matrix viewMatrix;
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43 | private Matrix projectionMatrix;
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44 | private float zoom = 50;
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45 | private int selectedItemIndex = -1;
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46 |
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47 | private BasicEffect basicEffect;
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48 | private Color backgroundColor { get; set; }
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49 |
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50 | private CenteredContainer container;
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51 | private MouseManager Mouse;
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52 | #endregion Global Private Variables
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53 |
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54 | protected override void Dispose(bool disposeManagedResources) {
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55 | control.disposedByGame = true;
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56 | base.Dispose(disposeManagedResources);
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57 | control.disposedByGame = false;
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58 | }
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59 |
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60 |
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61 | public PackingGame(PackingPlan3D control)
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62 | : base() {
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63 | this.control = control;
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64 | graphicsDeviceManager = new GraphicsDeviceManager(this);
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65 | graphicsDeviceManager.PreferMultiSampling = true;
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66 | graphicsDeviceManager.PreparingDeviceSettings +=
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67 | (object sender, PreparingDeviceSettingsEventArgs e) => {
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68 | e.GraphicsDeviceInformation.PresentationParameters.MultiSampleCount = MSAALevel.X4;
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69 | return;
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70 | };
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71 | var controlColor = Color.White; // System.Drawing.SystemColors.Control;
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72 | backgroundColor = new Color(controlColor.R, controlColor.G, controlColor.B, controlColor.A);
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73 |
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74 | Mouse = new MouseManager(this);
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75 | }
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76 |
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77 | public void SetSize(int width, int height) {
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78 |
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79 | graphicsDeviceManager.PreferredBackBufferHeight = height;
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80 | graphicsDeviceManager.PreferredBackBufferWidth = width;
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81 | }
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82 |
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83 |
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84 |
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85 | public void InitializeContainer(BasicCuboidShape containerShape) {
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86 | container = new CenteredContainer(containerShape);
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87 | }
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88 | public void InitializeContainer(float width, float height, float depth) {
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89 | InitializeContainer(new BasicCuboidShape(new Vector3(width, height, depth), -1));
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90 | }
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91 |
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92 | public void AddItemToContainer(float width, float height, float depth, float x, float y, float z, int index, int material) {
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93 | container.AddPackingItem(new Vector3(width, height, depth), new Vector3(x, y, z), index, material);
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94 | }
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95 |
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96 | public void SelectItem(int itemIndex) {
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97 | selectedItemIndex = itemIndex;
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98 | }
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99 | public void UnselectItem() {
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100 | selectedItemIndex = -1;
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101 | }
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102 |
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103 |
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104 | protected override void Initialize() {
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105 | base.Initialize();
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106 | InitializeWorld();
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107 | previousMouseState = Mouse.GetState();
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108 | Console.WriteLine("Initial bounds:" + Window.ClientBounds);
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109 | this.Window.IsMouseVisible = true;
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110 | }
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111 | private void InitializeWorld() {
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112 | #region Matrix-Initialization
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113 | worldMatrix = Matrix.Identity;
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114 |
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115 | viewMatrix = Matrix.LookAtLH(
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116 | new Vector3(0, 10, zoom),
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117 | Vector3.Zero,
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118 | Vector3.UnitY);
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119 |
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120 | projectionMatrix = Matrix.PerspectiveFovLH(
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121 | (float)Math.PI / 6.0f,
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122 | (float)GraphicsDevice.BackBuffer.Width /
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123 | (float)GraphicsDevice.BackBuffer.Height,
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124 | 1.0f, 1000.0f);
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125 | #endregion Matrix-Initialization
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126 |
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127 | #region Effect and Color
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128 | //Effect initialization
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129 | basicEffect = new BasicEffect(GraphicsDevice);
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130 | basicEffect.World = worldMatrix;
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131 | basicEffect.View = viewMatrix;
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132 | basicEffect.Projection = projectionMatrix;
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133 |
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134 | //Primitive color
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135 | basicEffect.AmbientLightColor = new Vector3(0.1f, 0.1f, 0.1f);
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136 | basicEffect.DiffuseColor = new Vector4(1.0f, 1.0f, 1.0f, 1.0f);
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137 | basicEffect.SpecularColor = new Vector3(0.25f, 0.25f, 0.25f);
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138 | basicEffect.SpecularPower = 5.0f;
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139 | basicEffect.Alpha = 1.0f;
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140 | basicEffect.VertexColorEnabled = true;
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141 | #endregion Effect-World and Color
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142 |
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143 | #region World lighting
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144 | basicEffect.LightingEnabled = true;
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145 |
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146 | basicEffect.PreferPerPixelLighting = true;
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147 |
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148 | if (basicEffect.LightingEnabled) {
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149 | basicEffect.DirectionalLight0.Enabled = true; // enable each light individually
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150 | if (basicEffect.DirectionalLight0.Enabled) {
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151 | // x direction
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152 | basicEffect.DirectionalLight0.DiffuseColor = new Vector3(1, 1, 1); // range is 0 to 1
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153 | basicEffect.DirectionalLight0.Direction = Vector3.Normalize(new Vector3(-1, 0, 0));
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154 | // points from the light to the origin of the scene
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155 | basicEffect.DirectionalLight0.SpecularColor = Vector3.One;
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156 | }
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157 |
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158 | basicEffect.DirectionalLight1.Enabled = true;
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159 | if (basicEffect.DirectionalLight1.Enabled) {
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160 | // y direction
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161 | basicEffect.DirectionalLight1.DiffuseColor = new Vector3(1, 1, 1);
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162 | basicEffect.DirectionalLight1.Direction = Vector3.Normalize(new Vector3(0, -1, 0));
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163 | basicEffect.DirectionalLight1.SpecularColor = Vector3.One;
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164 | }
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165 |
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166 | basicEffect.DirectionalLight2.Enabled = true;
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167 | if (basicEffect.DirectionalLight2.Enabled) {
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168 | // z direction
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169 | basicEffect.DirectionalLight2.DiffuseColor = new Vector3(1, 1, 1);
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170 | basicEffect.DirectionalLight2.Direction = Vector3.Normalize(new Vector3(0, 0, -1));
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171 | basicEffect.DirectionalLight2.SpecularColor = Vector3.One;
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172 | }
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173 | }
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174 | #endregion World lighting
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175 |
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176 | #region Transparency
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177 |
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178 | BlendStateDescription blendStateDescription = new SharpDX.Direct3D11.BlendStateDescription();
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179 | blendStateDescription.RenderTarget[0].IsBlendEnabled = true;
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180 | blendStateDescription.RenderTarget[0].SourceBlend = BlendOption.SourceAlpha;
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181 | blendStateDescription.RenderTarget[0].DestinationBlend = BlendOption.InverseSourceAlpha;
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182 | blendStateDescription.RenderTarget[0].BlendOperation = BlendOperation.Add;
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183 | blendStateDescription.RenderTarget[0].SourceAlphaBlend = BlendOption.One;
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184 | blendStateDescription.RenderTarget[0].DestinationAlphaBlend = BlendOption.Zero;
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185 | blendStateDescription.RenderTarget[0].AlphaBlendOperation = BlendOperation.Add;
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186 | blendStateDescription.RenderTarget[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
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187 | SharpDX.Toolkit.Graphics.BlendState blendState = SharpDX.Toolkit.Graphics.BlendState.New(GraphicsDevice, blendStateDescription);
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188 | GraphicsDevice.SetBlendState(blendState);
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189 |
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190 | #endregion
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191 | }
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192 |
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193 |
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194 | protected override void LoadContent() {
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195 |
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196 | }
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197 |
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198 | protected override void Draw(GameTime gameTime) {
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199 | GraphicsDevice.Clear(backgroundColor);
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200 |
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201 | worldMatrix =
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202 | Matrix.RotationY(MathUtil.DegreesToRadians(-currentViewAngle.X * control.Width / 4)) *
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203 | Matrix.RotationX(MathUtil.DegreesToRadians(currentViewAngle.Y * control.Height / 4));
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204 | basicEffect.World = worldMatrix;
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205 |
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206 | viewMatrix = Matrix.LookAtLH(
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207 | new Vector3(0, zoom, zoom),
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208 | Vector3.Zero,
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209 | Vector3.UnitY);
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210 | basicEffect.View = viewMatrix;
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211 |
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212 | foreach (EffectPass pass in basicEffect.CurrentTechnique.Passes) {
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213 | pass.Apply();
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214 |
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215 | if (container != null) {
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216 | if (container.PackingItems.Count == 0)
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217 | container.Container.RenderShapeTrianglesAndLines(GraphicsDevice);
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218 | else {
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219 | container.Container.RenderShapeLines(GraphicsDevice, new Color(0, 0, 0));
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220 | var selectedItem = container.PackingItems.Find(x => x.ShapeID == selectedItemIndex);
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221 | foreach (BasicCuboidShape item in container.PackingItems) {
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222 | if (selectedItem == null || selectedItemIndex == item.ShapeID) {
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223 | item.RenderShapeLines(GraphicsDevice);
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224 | item.RenderShapeTriangles(GraphicsDevice);
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225 | } else
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226 | item.RenderShapeLines(GraphicsDevice, new Color(0, 0, 0));
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227 | }
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228 | }
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229 | }
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230 | }
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231 |
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232 | base.Draw(gameTime);
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233 | }
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234 |
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235 | protected override void Update(GameTime gameTime) {
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236 | ComputeMouseHandling();
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237 | base.Update(gameTime);
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238 | }
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239 | #region Mouse-Handling Variables
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240 | private MouseState previousMouseState;
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241 | private Vector2 mousePositionOnBtnDown;
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242 | private Vector2 viewAngleOnBtnRelease;
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243 | private Vector2 currentViewAngle = new Vector2(0, 0);
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244 | #endregion Mouse-Handling Variables
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245 | private void ComputeMouseHandling() {
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246 | MouseState mouseState = Mouse.GetState();
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247 |
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248 | ComputeLeftMouseBtnHandling(mouseState);
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249 | ComputeMouseWheelHandling(mouseState);
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250 |
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251 | previousMouseState = mouseState;
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252 | }
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253 | private void ComputeLeftMouseBtnHandling(MouseState mouseState) {
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254 | //Left btn pressed
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255 | if (mouseState.LeftButton.Down && (previousMouseState.LeftButton.Pressed || previousMouseState.LeftButton.Down)) {
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256 | currentViewAngle = new Vector2(
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257 | viewAngleOnBtnRelease.X + mouseState.X - mousePositionOnBtnDown.X,
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258 | viewAngleOnBtnRelease.Y + mouseState.Y - mousePositionOnBtnDown.Y);
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259 | }
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260 |
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261 | //Left btn freshly pressed ==> ONLICK-EVENT
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262 | else if (mouseState.LeftButton.Pressed && !(previousMouseState.LeftButton.Pressed || previousMouseState.LeftButton.Down)) {
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263 | mousePositionOnBtnDown = new Vector2(mouseState.X, mouseState.Y);
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264 | }
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265 |
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266 | //Left btn freshly released ==> ONRELEASE-EVENT
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267 | else if (mouseState.LeftButton.Released && !previousMouseState.LeftButton.Released) {
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268 | viewAngleOnBtnRelease = currentViewAngle;
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269 | }
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270 | }
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271 | private void ComputeMouseWheelHandling(MouseState mouseState) {
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272 | int curr = mouseState.WheelDelta;
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273 | if (curr < 0 && zoom > 1) {
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274 | zoom++;
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275 | } else if (curr > 0 && zoom < 300) {
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276 | zoom--;
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277 | }
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278 | }
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279 |
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280 | }
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281 | }
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