[9890] | 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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[9896] | 36 | CollisionTube* CollisionTube::instance = NULL; |
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| 37 | |
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| 38 | |
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[9890] | 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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[9892] | 45 | this->registerObject(this, CollisionTube::_objectList); |
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[9981] | 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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[9890] | 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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[9891] | 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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[9892] | 87 | |
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| 88 | // check if there is already a collision defined between these objects |
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[9893] | 89 | if( !collision->match(*entityA, *entityB)) |
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[9892] | 90 | { |
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[9893] | 91 | collision = CREngine::getInstance()->popCollisionObject(); |
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| 92 | collision->collide( entityA, entityB); |
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[9892] | 93 | } |
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[9893] | 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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[9891] | 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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[9893] | 111 | void CollisionTube::registerCollisionEvent(CREngine::CollisionType type, WorldEntity* entity, WorldEntity* groundEntity, |
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[9891] | 112 | const Vector& normal, const Vector& position, bool bInWall) |
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| 113 | { |
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[9939] | 114 | // get last collision |
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[9893] | 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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[9939] | 118 | if( collision != NULL && !collision->match(*entity, *groundEntity)) |
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[9893] | 119 | { |
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[9939] | 120 | // get a new collision object |
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[9893] | 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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[9891] | 129 | } |
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| 130 | |
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[9893] | 131 | |
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[9898] | 132 | |
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[9891] | 133 | /** |
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[9898] | 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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[9939] | 138 | // for all collisions: |
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[9980] | 139 | CollisionIterator ci = this->_collisionList.begin(); |
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| 140 | for(; ci < this->_collisionList.end(); ++ci) |
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[9939] | 141 | { |
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[9981] | 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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[9983] | 147 | |
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| 148 | (*ci)->flushCollisionEvents(); |
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[9981] | 149 | } |
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[9939] | 150 | } |
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[9898] | 151 | } |
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| 152 | |
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| 153 | |
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[9893] | 154 | |
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| 155 | |
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| 156 | |
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| 157 | |
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[9891] | 158 | |
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[9898] | 159 | }// namespace end |
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[9890] | 160 | |
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