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- #include "navmesh/CCNavMeshObstacle.h"
- #if CC_USE_NAVMESH
- #include "navmesh/CCNavMesh.h"
- #include "2d/CCNode.h"
- #include "2d/CCScene.h"
- #include "recast/DetourTileCache/DetourTileCache.h"
- NS_CC_BEGIN
- NavMeshObstacle* NavMeshObstacle::create(float radius, float height)
- {
- auto ref = new (std::nothrow) NavMeshObstacle();
- if (ref && ref->initWith(radius, height))
- {
- ref->autorelease();
- return ref;
- }
- CC_SAFE_DELETE(ref);
- return nullptr;
- }
- const std::string& NavMeshObstacle::getNavMeshObstacleComponentName()
- {
- static std::string comName = "___NavMeshObstacleComponent___";
- return comName;
- }
- NavMeshObstacle::NavMeshObstacle()
- : _radius(0.0f)
- , _height(0.0f)
- , _syncFlag(NODE_AND_NODE)
- , _obstacleID(-1)
- , _tileCache(nullptr)
- {
- }
- cocos2d::NavMeshObstacle::~NavMeshObstacle()
- {
- }
- bool NavMeshObstacle::initWith(float radius, float height)
- {
- _radius = radius;
- _height = height;
- setName(getNavMeshObstacleComponentName());
- return true;
- }
- void cocos2d::NavMeshObstacle::removeFrom(dtTileCache* )
- {
- _tileCache->removeObstacle(_obstacleID);
- _tileCache = nullptr;
- _obstacleID = -1;
- }
- void cocos2d::NavMeshObstacle::addTo(dtTileCache *tileCache)
- {
- _tileCache = tileCache;
- Mat4 mat = _owner->getNodeToWorldTransform();
- _tileCache->addObstacle(&mat.m[12], _radius, _height, &_obstacleID);
- }
- void cocos2d::NavMeshObstacle::onExit()
- {
- if (_obstacleID == -1) return;
- Component::onExit();
- auto scene = _owner->getScene();
- if (scene && scene->getNavMesh()){
- scene->getNavMesh()->removeNavMeshObstacle(this);
- }
- }
- void cocos2d::NavMeshObstacle::onEnter()
- {
- if (_obstacleID != -1) return;
- Component::onEnter();
- auto scene = _owner->getScene();
- if (scene && scene->getNavMesh()){
- scene->getNavMesh()->addNavMeshObstacle(this);
- }
- }
- void cocos2d::NavMeshObstacle::postUpdate(float )
- {
- if ((_syncFlag & OBSTACLE_TO_NODE) != 0)
- syncToNode();
- }
- void cocos2d::NavMeshObstacle::preUpdate(float )
- {
- if ((_syncFlag & NODE_TO_OBSTACLE) != 0)
- syncToObstacle();
- }
- void NavMeshObstacle::syncToNode()
- {
- if (_tileCache){
- auto obstacle = _tileCache->getObstacleByRef(_obstacleID);
- if (obstacle){
- Vec3 localPos = Vec3(obstacle->pos[0], obstacle->pos[1], obstacle->pos[2]);
- if (_owner->getParent())
- _owner->getParent()->getWorldToNodeTransform().transformPoint(localPos, &localPos);
- _owner->setPosition3D(localPos);
- _radius = obstacle->radius;
- _height = obstacle->height;
- }
- }
- }
- void cocos2d::NavMeshObstacle::setRadius(float radius)
- {
- _radius = radius;
- }
- void cocos2d::NavMeshObstacle::setHeight(float height)
- {
- _height = height;
- }
- void NavMeshObstacle::syncToObstacle()
- {
- if (_tileCache){
- auto obstacle = _tileCache->getObstacleByRef(_obstacleID);
- if (obstacle){
- Vec3 worldPos = Vec3(obstacle->pos[0], obstacle->pos[1], obstacle->pos[2]);
- Mat4 mat = _owner->getNodeToWorldTransform();
- if ((mat.m[12] != obstacle->pos[0] && mat.m[13] != obstacle->pos[1] && mat.m[14] != obstacle->pos[2])
- || obstacle->radius != _radius
- || obstacle->height != _height){
- _tileCache->removeObstacle(_obstacleID);
- _tileCache->addObstacle(&mat.m[12], _radius, _height, &_obstacleID);
- }
- }
- }
- }
- NS_CC_END
- #endif
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