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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 openmelee.melee.contactListener;
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32
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33 import blaze.collision.bzCollision : bzContactID;
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34 import blaze.dynamics.contact.bzContact : bzContactPoint, bzContactResult;
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35 import blaze.dynamics.bzWorldCallbacks : bzContactListener;
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36 import blaze.collision.shapes.bzShape : bzShape;
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37 import blaze.common.bzMath : bzVec2;
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38
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39 import openmelee.melee.melee;
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0
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40
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18
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41 enum ContactState {
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42 e_contactAdded,
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43 e_contactPersisted,
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44 e_contactRemoved
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45 }
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46
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47 struct ContactPoint {
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48 bzShape shape1;
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49 bzShape shape2;
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50 bzVec2 normal;
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51 bzVec2 position;
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52 bzVec2 velocity;
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53 bzContactID id;
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54 ContactState state;
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55 }
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0
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56
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57 // bzWorld contact callback
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58 class ContactListener : bzContactListener
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59 {
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60
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61 Melee melee;
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62
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63 this(Melee melee) {
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64 this.melee = melee;
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65 }
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66
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67 void add(bzContactPoint point)
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68 {
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69 if (melee.pointCount == k_maxContactPoints) {
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70 return;
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71 }
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72
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73 ContactPoint *cp = &melee.points[melee.pointCount];
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74 cp.shape1 = point.shape1;
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75 cp.shape2 = point.shape2;
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76 cp.position = point.position;
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77 cp.normal = point.normal;
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78 cp.id = point.id;
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79 cp.state = ContactState.e_contactAdded;
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80
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81 ++melee.pointCount;
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82 }
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83
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84 void persist(bzContactPoint point)
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85 {
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86 if (melee.pointCount == k_maxContactPoints) {
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87 return;
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88 }
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89
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90 ContactPoint *cp = &melee.points[melee.pointCount];
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91 cp.shape1 = point.shape1;
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92 cp.shape2 = point.shape2;
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93 cp.position = point.position;
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94 cp.normal = point.normal;
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95 cp.id = point.id;
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96 cp.state = ContactState.e_contactPersisted;
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97
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98 ++melee.pointCount;
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99 }
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100
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101 void remove(bzContactPoint point)
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102 {
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103 if (melee.pointCount == k_maxContactPoints) {
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104 return;
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105 }
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106
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107 ContactPoint *cp = &melee.points[melee.pointCount];
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108 cp.shape1 = point.shape1;
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109 cp.shape2 = point.shape2;
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110 cp.position = point.position;
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111 cp.normal = point.normal;
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112 cp.id = point.id;
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113 cp.state = ContactState.e_contactRemoved;
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114
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115 ++melee.pointCount;
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116 }
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117
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118 void result(bzContactResult point) {}
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119
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120 }
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