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1 /*
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2 * Copyright (c) 2009, Mason Green (zzzzrrr)
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3 * Based on Box2D by Erin Catto, http://www.box2d.org
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4 *
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5 * All rights reserved.
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6 *
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7 * Redistribution and use in source and binary forms, with or without modification,
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8 * are permitted provided that the following conditions are met:
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9 *
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10 * * Redistributions of source code must retain the above copyright notice,
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11 * this list of conditions and the following disclaimer.
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12 * * Redistributions in binary form must reproduce the above copyright notice,
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13 * this list of conditions and the following disclaimer in the documentation
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14 * and/or other materials provided with the distribution.
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15 * * Neither the name of the polygonal nor the names of its contributors may be
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16 * used to endorse or promote products derived from this software without specific
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17 * prior written permission.
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18 *
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19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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30 */
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31 module melee.contactListener;
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32
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33 import melee.melee;
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34
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35 // bzWorld contact callback
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36 class ContactListener : bzContactListener
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37 {
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38
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39 Melee melee;
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40
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41 this(Melee melee) {
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42 this.melee = melee;
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43 }
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44
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45 void add(bzContactPoint point)
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46 {
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47 if (melee.pointCount == k_maxContactPoints) {
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48 return;
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49 }
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50
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51 ContactPoint *cp = &melee.points[melee.pointCount];
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52 cp.shape1 = point.shape1;
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53 cp.shape2 = point.shape2;
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54 cp.position = point.position;
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55 cp.normal = point.normal;
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56 cp.id = point.id;
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57 cp.state = ContactState.e_contactAdded;
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58
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59 ++melee.pointCount;
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60 }
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61
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62 void persist(bzContactPoint point)
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63 {
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64 if (melee.pointCount == k_maxContactPoints) {
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65 return;
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66 }
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67
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68 ContactPoint *cp = &melee.points[melee.pointCount];
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69 cp.shape1 = point.shape1;
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70 cp.shape2 = point.shape2;
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71 cp.position = point.position;
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72 cp.normal = point.normal;
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73 cp.id = point.id;
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74 cp.state = ContactState.e_contactPersisted;
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75
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76 ++melee.pointCount;
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77 }
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78
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79 void remove(bzContactPoint point)
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80 {
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81 if (melee.pointCount == k_maxContactPoints) {
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82 return;
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83 }
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84
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85 ContactPoint *cp = &melee.points[melee.pointCount];
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86 cp.shape1 = point.shape1;
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87 cp.shape2 = point.shape2;
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88 cp.position = point.position;
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89 cp.normal = point.normal;
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90 cp.id = point.id;
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91 cp.state = ContactState.e_contactRemoved;
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92
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93 ++melee.pointCount;
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94 }
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95
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96 void result(bzContactResult point) {}
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97
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98 }
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