1 package net.mograsim.logic.ui.model.wires;
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3 import java.util.ArrayList;
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4 import java.util.Arrays;
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5 import java.util.List;
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7 import net.haspamelodica.swt.helper.gcs.GeneralGC;
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8 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
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9 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
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10 import net.mograsim.logic.core.LogicObservable;
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11 import net.mograsim.logic.core.LogicObserver;
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12 import net.mograsim.logic.core.types.BitVectorFormatter;
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13 import net.mograsim.logic.core.wires.Wire.ReadEnd;
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14 import net.mograsim.logic.ui.ColorHelper;
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15 import net.mograsim.logic.ui.model.ViewModelModifiable;
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17 public class GUIWire
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19 private final ViewModelModifiable model;
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20 public final int logicWidth;
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23 private Point[] path;
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24 private final Rectangle bounds;
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25 private double[] effectivePath;
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27 private final List<Runnable> redrawListeners;
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29 private final LogicObserver logicObs;
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30 private ReadEnd end;
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32 public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, WireCrossPoint pin2)
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34 this(model, pin1, pin2, (Point[]) null);
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37 public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, Pin pin2)
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39 this(model, pin1, pin2, (Point[]) null);
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42 public GUIWire(ViewModelModifiable model, Pin pin1, WireCrossPoint pin2)
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44 this(model, pin1, pin2, (Point[]) null);
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47 public GUIWire(ViewModelModifiable model, Pin pin1, Pin pin2)
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49 this(model, pin1, pin2, (Point[]) null);
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52 public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, WireCrossPoint pin2, Point... path)
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54 this(model, pin1.getPin(), pin2.getPin(), path);
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57 public GUIWire(ViewModelModifiable model, WireCrossPoint pin1, Pin pin2, Point... path)
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59 this(model, pin1.getPin(), pin2, path);
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62 public GUIWire(ViewModelModifiable model, Pin pin1, WireCrossPoint pin2, Point... path)
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64 this(model, pin1, pin2.getPin(), path);
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67 public GUIWire(ViewModelModifiable model, Pin pin1, Pin pin2, Point... path)
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69 logicObs = (i) -> callRedrawListeners();
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71 this.logicWidth = pin1.logicWidth;
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72 if (pin2.logicWidth != pin1.logicWidth)
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73 throw new IllegalArgumentException("Can't connect pins of different logic width");
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78 this.path = path == null ? null : Arrays.copyOf(path, path.length);
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79 this.bounds = new Rectangle(0, 0, -1, -1);
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81 redrawListeners = new ArrayList<>();
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83 pin1.addPinMovedListener(p -> pin1Moved());
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84 pin2.addPinMovedListener(p -> pin2Moved());
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86 recalculateEffectivePath();
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88 model.wireCreated(this);
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91 private void recalculateEffectivePath()
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93 Point pos1 = pin1.getPos(), pos2 = pin2.getPos();
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95 double boundsX1 = Math.min(pos1.x, pos2.x);
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96 double boundsY1 = Math.min(pos1.y, pos2.y);
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97 double boundsX2 = Math.max(pos1.x, pos2.x);
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98 double boundsY2 = Math.max(pos1.y, pos2.y);
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101 effectivePath = new double[] { pos1.x, pos1.y, (pos1.x + pos2.x) / 2, pos1.y, (pos1.x + pos2.x) / 2, pos2.y, pos2.x, pos2.y };
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104 effectivePath = new double[path.length * 2 + 4];
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105 effectivePath[0] = pos1.x;
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106 effectivePath[1] = pos1.y;
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107 for (int srcI = 0, dstI = 2; srcI < path.length; srcI++, dstI += 2)
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109 double pathX = path[srcI].x;
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110 double pathY = path[srcI].y;
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111 effectivePath[dstI + 0] = pathX;
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112 effectivePath[dstI + 1] = pathY;
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113 if (pathX < boundsX1)
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115 if (pathX > boundsX2)
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117 if (pathY < boundsY1)
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119 if (pathY > boundsY2)
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122 effectivePath[effectivePath.length - 2] = pos2.x;
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123 effectivePath[effectivePath.length - 1] = pos2.y;
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126 bounds.x = boundsX1;
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127 bounds.y = boundsY1;
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128 bounds.width = boundsX2 - boundsX1;
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129 bounds.height = boundsY2 - boundsY1;
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132 private void pin1Moved()
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134 recalculateEffectivePath();
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135 callRedrawListeners();
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138 private void pin2Moved()
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140 recalculateEffectivePath();
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141 callRedrawListeners();
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144 public void destroy()
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146 model.wireDestroyed(this);
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149 public Rectangle getBounds()
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151 return new Rectangle(bounds.x, bounds.y, bounds.width, bounds.height);
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154 public void render(GeneralGC gc)
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156 ColorHelper.executeWithDifferentForeground(gc, BitVectorFormatter.formatAsColor(end), () -> gc.drawPolyline(effectivePath));
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159 public void setLogicModelBinding(ReadEnd end)
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161 deregisterLogicObs(this.end);
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163 registerLogicObs(end);
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166 private void registerLogicObs(LogicObservable observable)
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168 if (observable != null)
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169 observable.registerObserver(logicObs);
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172 private void deregisterLogicObs(LogicObservable observable)
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174 if (observable != null)
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175 observable.deregisterObserver(logicObs);
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178 public Pin getPin1()
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183 public Pin getPin2()
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189 public void addRedrawListener (Runnable listener) {redrawListeners .add (listener);}
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191 public void removeRedrawListener(Runnable listener) {redrawListeners .remove(listener);}
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193 private void callRedrawListeners() {redrawListeners.forEach(l -> l.run());}
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