diff options
Diffstat (limited to 'src/3rdparty/assimp/contrib/poly2tri/poly2tri/sweep/advancing_front.cc')
-rw-r--r-- | src/3rdparty/assimp/contrib/poly2tri/poly2tri/sweep/advancing_front.cc | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/src/3rdparty/assimp/contrib/poly2tri/poly2tri/sweep/advancing_front.cc b/src/3rdparty/assimp/contrib/poly2tri/poly2tri/sweep/advancing_front.cc deleted file mode 100644 index 9739babce..000000000 --- a/src/3rdparty/assimp/contrib/poly2tri/poly2tri/sweep/advancing_front.cc +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Poly2Tri Copyright (c) 2009-2010, Poly2Tri Contributors - * http://code.google.com/p/poly2tri/ - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * * Neither the name of Poly2Tri nor the names of its contributors may be - * used to endorse or promote products derived from this software without specific - * prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -#include "advancing_front.h" - -namespace p2t { - -AdvancingFront::AdvancingFront(Node& head, Node& tail) -{ - head_ = &head; - tail_ = &tail; - search_node_ = &head; -} - -Node* AdvancingFront::LocateNode(double x) -{ - Node* node = search_node_; - - if (x < node->value) { - while ((node = node->prev) != NULL) { - if (x >= node->value) { - search_node_ = node; - return node; - } - } - } else { - while ((node = node->next) != NULL) { - if (x < node->value) { - search_node_ = node->prev; - return node->prev; - } - } - } - return NULL; -} - -Node* AdvancingFront::FindSearchNode(double x) -{ - (void)x; // suppress compiler warnings "unused parameter 'x'" - // TODO: implement BST index - return search_node_; -} - -Node* AdvancingFront::LocatePoint(const Point* point) -{ - const double px = point->x; - Node* node = FindSearchNode(px); - const double nx = node->point->x; - - if (px == nx) { - if (point != node->point) { - // We might have two nodes with same x value for a short time - if (point == node->prev->point) { - node = node->prev; - } else if (point == node->next->point) { - node = node->next; - } else { - assert(0); - } - } - } else if (px < nx) { - while ((node = node->prev) != NULL) { - if (point == node->point) { - break; - } - } - } else { - while ((node = node->next) != NULL) { - if (point == node->point) - break; - } - } - if(node) search_node_ = node; - return node; -} - -AdvancingFront::~AdvancingFront() -{ -} - -} |