1 | package com.framsticks.net.client3D;
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2 |
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3 | import java.awt.BorderLayout;
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4 | import java.awt.Container;
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5 | import java.awt.event.MouseEvent;
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6 | import java.awt.event.MouseListener;
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7 | import java.awt.event.MouseMotionListener;
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8 | import java.awt.event.MouseWheelEvent;
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9 | import java.awt.event.MouseWheelListener;
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10 | import java.io.File;
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11 | import java.io.FilenameFilter;
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12 | import java.io.IOException;
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13 | import java.util.HashMap;
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14 | import java.util.Set;
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15 |
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16 | import javax.media.opengl.GLCanvas;
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17 | import javax.swing.JFrame;
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18 | import javax.swing.JPanel;
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19 |
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20 | /**
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21 | * A window rendering the whole scene using OpenGL.
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22 | *
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23 | * @author vorg
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24 | */
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25 | public class Viewer extends JPanel implements MouseListener,
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26 | MouseMotionListener {
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27 | static final long serialVersionUID = 1;
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28 | private Renderer renderer;
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29 | private HashMap<String, cgfxEffect> styles;
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30 | private Creature[] creatures;
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31 | private int clickX;
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32 | private int clickY;
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33 | private float clickRotY;
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34 | private float clickRotX;
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35 | private App app = null;
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36 |
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37 | /**
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38 | * Constructor.
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39 | *
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40 | * @param app
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41 | * An application instance.
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42 | */
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43 | public Viewer(App app) throws IOException {
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44 | this.app = app;
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45 | init();
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46 | }
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47 |
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48 | /**
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49 | * Constructor.
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50 | */
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51 | public Viewer() throws IOException {
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52 | init();
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53 | }
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54 |
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55 | /**
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56 | * Creates a rendering window.
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57 | *
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58 | * @return A window's handler.
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59 | */
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60 | public JFrame showInFrame() {
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61 | JFrame frame = new JFrame("Framsticks 3D View");
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62 | JFrame.setDefaultLookAndFeelDecorated(true);
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63 | frame.setSize(500, 500);
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64 | if (app != null) {
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65 | frame.setLocationRelativeTo(app);
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66 | frame.setLocation(app.getX() - frame.getSize().width, app.getY());
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67 | }
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68 | frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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69 | frame.setVisible(true);
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70 | Container contentPane = frame.getContentPane();
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71 | contentPane.setLayout(new BorderLayout());
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72 | contentPane.add(this, BorderLayout.CENTER);
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73 | return frame;
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74 | }
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75 |
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76 | private void init() throws IOException {
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77 | styles = new HashMap<String, cgfxEffect>();
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78 | createCanvas();
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79 |
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80 | MouseWheelListener listener = new MouseWheelListener() {
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81 | // float zoomFactor = 0.1f;
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82 | public void mouseWheelMoved(MouseWheelEvent e) {
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83 | renderer.setTranslation(renderer.getTranslation()
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84 | * (float) (e.getWheelRotation() * 0.1 + 1.0));
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85 | }
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86 | };
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87 | this.addMouseWheelListener(listener);
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88 | // Log.getInstance().addLoggerListener(new ILogListener() {
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89 | // public void onMesssage(String category, String text) {
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90 | // System.out.println(category + " > " + text );
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91 | // }
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92 | // });
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93 |
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94 | }
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95 |
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96 | /**
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97 | * Creates a surface object for OpenGL rendering.
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98 | */
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99 | private void createCanvas() throws IOException {
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100 | GLCanvas canvas = new GLCanvas();
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101 | renderer = new Renderer();
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102 |
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103 | canvas.addGLEventListener(renderer);
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104 | canvas.addMouseListener(this);
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105 | canvas.addMouseMotionListener(this);
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106 |
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107 | canvas.setVisible(true);
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108 |
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109 | this.setOpaque(true);
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110 |
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111 | this.setLayout(new BorderLayout());
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112 | this.add(canvas, BorderLayout.CENTER);
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113 | this.setVisible(true);
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114 |
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115 | final String shadersPath = "res/shaders";
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116 | File dir = new File(shadersPath);
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117 | if (!dir.canRead()) {
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118 | throw new IOException("Cannot access " + shadersPath);
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119 | }
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120 | if (!dir.isDirectory()) {
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121 | throw new IOException(shadersPath + " is not a directory.");
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122 | }
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123 |
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124 | // It is also possible to filter the list of returned files.
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125 | // This example does not return any files that start with `.'.
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126 | FilenameFilter filter = new FilenameFilter() {
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127 | public boolean accept(File dir, String name) {
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128 | return name.matches(".*[cC][gG][fF][xX]$");
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129 | }
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130 | };
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131 | String[] children = dir.list(filter);
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132 | dir = new File("../..");
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133 | for (int i = 0; i < children.length; i++) {
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134 | String name = children[i].substring(0, children[i].length() - 5);
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135 | cgfxEffect effect = new cgfxEffect(name);
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136 |
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137 | styles.put(name, effect);
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138 | if (app != null) {
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139 | app.AddStyle(name);
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140 | }
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141 | // effect.LoadByName(name, context)
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142 | // children[i];
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143 |
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144 | Log.getInstance().log("dbg", name);
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145 | }
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146 | setStyle("basic"); //seems even simpler (and thus supported) than "default"
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147 | }
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148 |
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149 | /**
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150 | * Sets creatures to render.
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151 | *
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152 | * @param creatures
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153 | * Creatures to render.
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154 | */
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155 | public void setCreatures(Creature[] creatures) {
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156 | this.creatures = creatures;
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157 | renderer.setCreatures(creatures);
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158 | }
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159 |
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160 | /**
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161 | * Sets a world to render.
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162 | *
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163 | * @param world
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164 | * A world to render.
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165 | */
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166 | public void setWorld(World world) {
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167 | renderer.setWorld(world);
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168 | }
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169 |
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170 | /**
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171 | * Gets a set of style names.
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172 | *
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173 | * @return A set of style names.
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174 | */
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175 | public Set<String> getStyleNames() {
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176 | return styles.keySet();
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177 | }
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178 |
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179 | /**
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180 | * Sets a currently activated style. If a style doesn't exist, it prints a
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181 | * warning and a list of available styles.
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182 | *
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183 | * @param styleName
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184 | * Name of a style to turn on.
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185 | */
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186 | public void setStyle(String styleName) {
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187 | if (styles.containsKey(styleName)) {
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188 | renderer.setStyle(styles.get(styleName));
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189 | } else {
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190 | Log.getInstance().log("wrn", "Style: " + styleName + " not found");
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191 | Log.getInstance().log("dbg", "Available styles:");
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192 | for (String key : styles.keySet()) {
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193 | Log.getInstance().log("dbg", key);
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194 | }
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195 | }
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196 | }
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197 |
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198 | /**
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199 | * Switches the view to a creature from a specified group, with a specified
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200 | * index. Passing value <value>1</value> in both parameters turns on the
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201 | * general view of the whole world.
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202 | *
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203 | * @param group
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204 | * Number of a group.
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205 | * @param index
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206 | * Index of a creature.
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207 | */
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208 | public void setView(int group, int index) {
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209 | if (creatures == null) {
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210 | return;
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211 | }
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212 | renderer.resetTranslation();
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213 | if ((group == -1) || (index == -1)) {
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214 | // if ((creatures != null) && creatures.length > 0)
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215 | renderer.setCreatures(creatures);
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216 | renderer.setModelType(Creature.ModelType.MechParts);
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217 | } else {
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218 | Creature creature = null;
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219 | for (Creature c : creatures) {
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220 | if ((c.getGroup() == group) && (c.getIndex() == index)) {
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221 | creature = c;
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222 | break;
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223 | }
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224 | }
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225 | if (creature != null) {
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226 | renderer.setCreatures(new Creature[] { creature });
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227 | renderer.setModelType(Creature.ModelType.Parts);
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228 | } else {
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229 | renderer.setCreatures(creatures);
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230 | renderer.setModelType(Creature.ModelType.MechParts);
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231 | }
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232 |
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233 | }
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234 | }
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235 |
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236 | /* (non-Javadoc)
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237 | * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
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238 | */
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239 | public void mouseClicked(MouseEvent e) {
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240 | }
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241 |
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242 | /* (non-Javadoc)
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243 | * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
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244 | */
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245 | public void mouseEntered(MouseEvent e) {
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246 | }
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247 |
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248 | /* (non-Javadoc)
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249 | * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
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250 | */
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251 | public void mouseExited(MouseEvent e) {
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252 | }
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253 |
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254 | /* (non-Javadoc)
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255 | * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
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256 | */
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257 | public void mousePressed(MouseEvent e) {
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258 | clickX = e.getX();
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259 | clickY = e.getY();
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260 | clickRotY = renderer.getRotationY();
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261 | clickRotX = renderer.getRotationX();
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262 | }
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263 |
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264 | /* (non-Javadoc)
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265 | * @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
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266 | */
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267 | public void mouseReleased(MouseEvent e) {
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268 | }
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269 |
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270 | /* (non-Javadoc)
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271 | * @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
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272 | */
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273 | public void mouseDragged(MouseEvent e) {
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274 | float difX = (e.getX() - clickX) / (float) getWidth();
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275 | float difY = (e.getY() - clickY) / (float) getHeight();
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276 | renderer.setRotationY(clickRotY + 180 * difX);
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277 | renderer.setRotationX(clickRotX + 180 * difY);
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278 | }
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279 |
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280 | /* (non-Javadoc)
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281 | * @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)
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282 | */
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283 | public void mouseMoved(MouseEvent e) {
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284 | }
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285 | } |
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