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-rw-r--r--src/shared/vmap/BaseModel.cpp95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/shared/vmap/BaseModel.cpp b/src/shared/vmap/BaseModel.cpp
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+/*
+ * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "BaseModel.h"
+#include "VMapTools.h"
+
+using namespace G3D;
+
+namespace VMAP
+{
+ //==========================================================
+
+ void BaseModel::getMember(Array<TriangleBox>& pMembers)
+ {
+ for(unsigned int i=0; i<iNTriangles; i++)
+ {
+ pMembers.append(iTriangles[i]);
+ }
+ }
+
+ //==========================================================
+ BaseModel::BaseModel(unsigned int pNNodes, unsigned int pNTriangles)
+ {
+ init(pNNodes, pNTriangles);
+ };
+
+ //==========================================================
+
+ void BaseModel::init(unsigned int pNNodes, unsigned int pNTriangles)
+ {
+ iNNodes = pNNodes;
+ iNTriangles = pNTriangles;
+ iTriangles = 0;
+ iTreeNodes = 0;
+ if(iNNodes >0) iTreeNodes = new TreeNode[iNNodes];
+ if(iNTriangles >0) iTriangles = new TriangleBox[iNTriangles];
+ }
+
+ //==========================================================
+
+ void BaseModel::free()
+ {
+ if(getTriangles() != 0) delete [] getTriangles(); setNTriangles(0);
+ if(getTreeNodes() != 0) delete [] getTreeNodes(); setNNodes(0);
+ }
+
+ //==========================================================
+
+ void BaseModel::intersect(const G3D::AABox& pBox, const G3D::Ray& pRay, float& pMaxDist, G3D::Vector3& pOutLocation, G3D::Vector3& /*pOutNormal*/) const
+ {
+ bool isInside = false;
+
+ float d = MyCollisionDetection::collisionLocationForMovingPointFixedAABox(
+ pRay.origin, pRay.direction,
+ pBox,
+ pOutLocation, isInside);
+ if (!isInside && ((d > 0) && (d < pMaxDist)))
+ {
+ pMaxDist = d;
+ }
+ }
+
+ //==========================================================
+
+ bool BaseModel::intersect(const G3D::AABox& pBox, const G3D::Ray& pRay, float& pMaxDist) const
+ {
+ // See if the ray will ever hit this node or its children
+ Vector3 location;
+ bool alreadyInsideBounds = false;
+ bool rayWillHitBounds =
+ MyCollisionDetection::collisionLocationForMovingPointFixedAABox(
+ pRay.origin, pRay.direction, pBox, location, alreadyInsideBounds);
+
+ bool canHitThisNode = (alreadyInsideBounds ||
+ (rayWillHitBounds && ((location - pRay.origin).squaredLength() < (pMaxDist * pMaxDist))));
+
+ return canHitThisNode;
+ }
+
+} // VMAP