1 | /* |
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2 | orxonox - the future of 3D-vertical-scrollers |
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3 | |
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4 | Copyright (C) 2004 orx |
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5 | |
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6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | ### File Specific: |
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12 | main-programmer: Patrick Boenzli |
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13 | */ |
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14 | |
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15 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_COLLISION_REACTION |
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16 | |
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17 | #include "collision_tube.h" |
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18 | |
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19 | #include "world_entity.h" |
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20 | |
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21 | #include "collision.h" |
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22 | #include "collision_event.h" |
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23 | #include "collision_reaction.h" |
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24 | |
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25 | #include "cr_object_damage.h" |
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26 | #include "cr_physics_ground_walk.h" |
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27 | #include "cr_physics_full_walk.h" |
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28 | |
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29 | |
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30 | |
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31 | namespace CoRe |
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32 | { |
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33 | |
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34 | ObjectListDefinition(CollisionTube); |
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35 | |
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36 | CollisionTube* CollisionTube::instance = NULL; |
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37 | |
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38 | |
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39 | /** |
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40 | * standard constructor |
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41 | * @todo this constructor is not jet implemented - do it |
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42 | */ |
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43 | CollisionTube::CollisionTube () |
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44 | { |
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45 | this->registerObject(this, CollisionTube::_objectList); |
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46 | |
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47 | |
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48 | // push the collision reaction object on the list in the right order |
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49 | // WARNING: do not mess with the order, it should be the same as in |
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50 | |
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51 | // physical reactions |
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52 | this->_reactionList[CREngine::CR_PHYSICS_MOMENTUM] = NULL; |
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53 | this->_reactionList[CREngine::CR_PHYSICS_STEP_BACK] = NULL; |
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54 | this->_reactionList[CREngine::CR_PHYSICS_GROUND_WALK] = new CRPhysicsGroundWalk(); |
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55 | this->_reactionList[CREngine::CR_PHYSICS_FULL_WALK] = new CRPhysicsFullWalk(); |
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56 | this->_reactionList[CREngine::CR_PHYSICS_DAMAGE] = NULL; |
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57 | // object based reactions |
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58 | this->_reactionList[CREngine::CR_OBJECT_DAMAGE] = new CRObjectDamage(); |
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59 | this->_reactionList[CREngine::CR_OBJECT_PICKUP] = NULL; |
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60 | // misc reactions |
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61 | this->_reactionList[CREngine::CR_VERTEX_TRAFO] = NULL; |
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62 | this->_reactionList[CREngine::CR_SPECIAL_CALLBACK] = NULL; |
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63 | } |
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64 | |
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65 | |
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66 | /** |
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67 | * standard deconstructor |
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68 | */ |
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69 | CollisionTube::~CollisionTube () |
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70 | { |
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71 | this->_collisionList.clear(); |
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72 | } |
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73 | |
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74 | |
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75 | /** |
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76 | * registers a new CollisionEvent |
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77 | * @param entityA one collision object |
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78 | * @param entityB the other collision objectName |
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79 | * @param bvA bounding volume of object A |
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80 | * @param bvB bounding volume of object B |
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81 | * |
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82 | * this function doesn't check if the entities in question actualy are registered for any collisions |
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83 | */ |
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84 | void CollisionTube::registerCollisionEvent(WorldEntity* entityA, WorldEntity* entityB, BoundingVolume* bvA, BoundingVolume* bvB) |
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85 | { |
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86 | Collision* collision = this->_collisionList.back(); |
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87 | |
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88 | // check if there is already a collision defined between these objects |
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89 | if( !collision->match(*entityA, *entityB)) |
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90 | { |
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91 | collision = CREngine::getInstance()->popCollisionObject(); |
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92 | collision->collide( entityA, entityB); |
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93 | } |
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94 | |
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95 | // now register the new collision event |
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96 | CollisionEvent* collisionEvent = CREngine::getInstance()->popCollisionEventObject(); |
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97 | collisionEvent->collide( CREngine::CR_COLLISION_TYPE_OBB, entityA, entityB, bvA, bvB); |
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98 | collision->registerCollisionEvent( collisionEvent); |
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99 | } |
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100 | |
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101 | |
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102 | /** |
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103 | * registers a new CollisionEvent, only used by ground to object collision (eg. bsp model) |
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104 | * @param type type of collision as stated in cr_def.h |
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105 | * @param entity the WorldEntity colliding with the ground |
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106 | * @param groundEntity the WorldEntity representing the ground |
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107 | * @param normal the normal vector for the ground (up) - not always specified |
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108 | * @param position the position of the collision relative to the object center |
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109 | * @param bInWall true if the entity is in the ground material |
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110 | */ |
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111 | void CollisionTube::registerCollisionEvent(CREngine::CollisionType type, WorldEntity* entity, WorldEntity* groundEntity, |
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112 | const Vector& normal, const Vector& position, bool bInWall) |
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113 | { |
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114 | // get last collision |
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115 | Collision* collision = this->_collisionList.back(); |
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116 | |
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117 | // check if there is already a collision defined between these objects |
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118 | if( collision != NULL && !collision->match(*entity, *groundEntity)) |
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119 | { |
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120 | // get a new collision object |
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121 | collision = CREngine::getInstance()->popCollisionObject(); |
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122 | collision->collide( entity, groundEntity); |
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123 | } |
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124 | |
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125 | // now register the new collision event |
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126 | CollisionEvent* collisionEvent = CREngine::getInstance()->popCollisionEventObject(); |
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127 | collisionEvent->collide( type, entity, groundEntity, normal, position, bInWall); |
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128 | collision->registerCollisionEvent( collisionEvent); |
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129 | } |
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130 | |
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131 | |
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132 | |
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133 | /** |
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134 | * handles all collisions in registered in this tube |
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135 | */ |
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136 | void CollisionTube::handleCollisions() |
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137 | { |
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138 | // for all collisions: |
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139 | CollisionIterator ci = this->_collisionList.begin(); |
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140 | for(; ci < this->_collisionList.end(); ++ci) |
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141 | { |
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142 | for( int i = CREngine::CR_PHYSICS_MOMENTUM; i < CREngine::CR_NUBER; i++) |
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143 | { |
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144 | // check if entity A or B is subscibed for this event |
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145 | if( (*ci)->getEntityA()->bReactibe((*it)->getEnityB(), i) || (*ci)->getEntityB()->bReactibe((*it)->getEnityA(), i)) |
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146 | (*ci)->reactToCollision(*ci); |
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147 | |
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148 | (*ci)->flushCollisionEvents(); |
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149 | } |
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150 | } |
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151 | } |
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152 | |
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153 | |
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154 | |
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155 | |
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156 | |
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157 | |
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158 | |
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159 | }// namespace end |
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160 | |
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