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-rw-r--r--indra/llmath/llbbox.cpp356
1 files changed, 178 insertions, 178 deletions
diff --git a/indra/llmath/llbbox.cpp b/indra/llmath/llbbox.cpp
index c4dffc8cf8..728b222d09 100644
--- a/indra/llmath/llbbox.cpp
+++ b/indra/llmath/llbbox.cpp
@@ -1,178 +1,178 @@
-/**
- * @file llbbox.cpp
- * @brief General purpose bounding box class (Not axis aligned)
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-// self include
-#include "llbbox.h"
-
-// library includes
-#include "m4math.h"
-
-void LLBBox::addPointLocal(const LLVector3& p)
-{
- if (mEmpty)
- {
- mMinLocal = p;
- mMaxLocal = p;
- mEmpty = FALSE;
- }
- else
- {
- mMinLocal.mV[VX] = llmin( p.mV[VX], mMinLocal.mV[VX] );
- mMinLocal.mV[VY] = llmin( p.mV[VY], mMinLocal.mV[VY] );
- mMinLocal.mV[VZ] = llmin( p.mV[VZ], mMinLocal.mV[VZ] );
- mMaxLocal.mV[VX] = llmax( p.mV[VX], mMaxLocal.mV[VX] );
- mMaxLocal.mV[VY] = llmax( p.mV[VY], mMaxLocal.mV[VY] );
- mMaxLocal.mV[VZ] = llmax( p.mV[VZ], mMaxLocal.mV[VZ] );
- }
-}
-
-void LLBBox::addPointAgent( LLVector3 p)
-{
- p -= mPosAgent;
- p.rotVec( ~mRotation );
- addPointLocal( p );
-}
-
-
-void LLBBox::addBBoxAgent(const LLBBox& b)
-{
- if (mEmpty)
- {
- mPosAgent = b.mPosAgent;
- mRotation = b.mRotation;
- mMinLocal.clearVec();
- mMaxLocal.clearVec();
- }
- LLVector3 vertex[8];
- vertex[0].setVec( b.mMinLocal.mV[VX], b.mMinLocal.mV[VY], b.mMinLocal.mV[VZ] );
- vertex[1].setVec( b.mMinLocal.mV[VX], b.mMinLocal.mV[VY], b.mMaxLocal.mV[VZ] );
- vertex[2].setVec( b.mMinLocal.mV[VX], b.mMaxLocal.mV[VY], b.mMinLocal.mV[VZ] );
- vertex[3].setVec( b.mMinLocal.mV[VX], b.mMaxLocal.mV[VY], b.mMaxLocal.mV[VZ] );
- vertex[4].setVec( b.mMaxLocal.mV[VX], b.mMinLocal.mV[VY], b.mMinLocal.mV[VZ] );
- vertex[5].setVec( b.mMaxLocal.mV[VX], b.mMinLocal.mV[VY], b.mMaxLocal.mV[VZ] );
- vertex[6].setVec( b.mMaxLocal.mV[VX], b.mMaxLocal.mV[VY], b.mMinLocal.mV[VZ] );
- vertex[7].setVec( b.mMaxLocal.mV[VX], b.mMaxLocal.mV[VY], b.mMaxLocal.mV[VZ] );
-
- LLMatrix4 m( b.mRotation );
- m.translate( b.mPosAgent );
- m.translate( -mPosAgent );
- m.rotate( ~mRotation );
-
- for( S32 i=0; i<8; i++ )
- {
- addPointLocal( vertex[i] * m );
- }
-}
-
-LLBBox LLBBox::getAxisAligned() const
-{
- // no rotation = axis aligned rotation
- LLBBox aligned(mPosAgent, LLQuaternion(), LLVector3(), LLVector3());
-
- // add the center point so that it's not empty
- aligned.addPointAgent(mPosAgent);
-
- // add our BBox
- aligned.addBBoxAgent(*this);
-
- return aligned;
-}
-
-void LLBBox::expand( F32 delta )
-{
- mMinLocal.mV[VX] -= delta;
- mMinLocal.mV[VY] -= delta;
- mMinLocal.mV[VZ] -= delta;
- mMaxLocal.mV[VX] += delta;
- mMaxLocal.mV[VY] += delta;
- mMaxLocal.mV[VZ] += delta;
-}
-
-LLVector3 LLBBox::localToAgent(const LLVector3& v) const
-{
- LLMatrix4 m( mRotation );
- m.translate( mPosAgent );
- return v * m;
-}
-
-LLVector3 LLBBox::agentToLocal(const LLVector3& v) const
-{
- LLMatrix4 m;
- m.translate( -mPosAgent );
- m.rotate( ~mRotation ); // inverse rotation
- return v * m;
-}
-
-LLVector3 LLBBox::localToAgentBasis(const LLVector3& v) const
-{
- LLMatrix4 m( mRotation );
- return v * m;
-}
-
-LLVector3 LLBBox::agentToLocalBasis(const LLVector3& v) const
-{
- LLMatrix4 m( ~mRotation ); // inverse rotation
- return v * m;
-}
-
-BOOL LLBBox::containsPointLocal(const LLVector3& p) const
-{
- if ( (p.mV[VX] < mMinLocal.mV[VX])
- ||(p.mV[VX] > mMaxLocal.mV[VX])
- ||(p.mV[VY] < mMinLocal.mV[VY])
- ||(p.mV[VY] > mMaxLocal.mV[VY])
- ||(p.mV[VZ] < mMinLocal.mV[VZ])
- ||(p.mV[VZ] > mMaxLocal.mV[VZ]))
- {
- return FALSE;
- }
- return TRUE;
-}
-
-BOOL LLBBox::containsPointAgent(const LLVector3& p) const
-{
- LLVector3 point_local = agentToLocal(p);
- return containsPointLocal(point_local);
-}
-
-LLVector3 LLBBox::getMinAgent() const
-{
- return localToAgent(mMinLocal);
-}
-
-LLVector3 LLBBox::getMaxAgent() const
-{
- return localToAgent(mMaxLocal);
-}
-
-/*
-LLBBox operator*(const LLBBox &a, const LLMatrix4 &b)
-{
- return LLBBox( a.mMin * b, a.mMax * b );
-}
-*/
+/**
+ * @file llbbox.cpp
+ * @brief General purpose bounding box class (Not axis aligned)
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+// self include
+#include "llbbox.h"
+
+// library includes
+#include "m4math.h"
+
+void LLBBox::addPointLocal(const LLVector3& p)
+{
+ if (mEmpty)
+ {
+ mMinLocal = p;
+ mMaxLocal = p;
+ mEmpty = false;
+ }
+ else
+ {
+ mMinLocal.mV[VX] = llmin( p.mV[VX], mMinLocal.mV[VX] );
+ mMinLocal.mV[VY] = llmin( p.mV[VY], mMinLocal.mV[VY] );
+ mMinLocal.mV[VZ] = llmin( p.mV[VZ], mMinLocal.mV[VZ] );
+ mMaxLocal.mV[VX] = llmax( p.mV[VX], mMaxLocal.mV[VX] );
+ mMaxLocal.mV[VY] = llmax( p.mV[VY], mMaxLocal.mV[VY] );
+ mMaxLocal.mV[VZ] = llmax( p.mV[VZ], mMaxLocal.mV[VZ] );
+ }
+}
+
+void LLBBox::addPointAgent( LLVector3 p)
+{
+ p -= mPosAgent;
+ p.rotVec( ~mRotation );
+ addPointLocal( p );
+}
+
+
+void LLBBox::addBBoxAgent(const LLBBox& b)
+{
+ if (mEmpty)
+ {
+ mPosAgent = b.mPosAgent;
+ mRotation = b.mRotation;
+ mMinLocal.clearVec();
+ mMaxLocal.clearVec();
+ }
+ LLVector3 vertex[8];
+ vertex[0].setVec( b.mMinLocal.mV[VX], b.mMinLocal.mV[VY], b.mMinLocal.mV[VZ] );
+ vertex[1].setVec( b.mMinLocal.mV[VX], b.mMinLocal.mV[VY], b.mMaxLocal.mV[VZ] );
+ vertex[2].setVec( b.mMinLocal.mV[VX], b.mMaxLocal.mV[VY], b.mMinLocal.mV[VZ] );
+ vertex[3].setVec( b.mMinLocal.mV[VX], b.mMaxLocal.mV[VY], b.mMaxLocal.mV[VZ] );
+ vertex[4].setVec( b.mMaxLocal.mV[VX], b.mMinLocal.mV[VY], b.mMinLocal.mV[VZ] );
+ vertex[5].setVec( b.mMaxLocal.mV[VX], b.mMinLocal.mV[VY], b.mMaxLocal.mV[VZ] );
+ vertex[6].setVec( b.mMaxLocal.mV[VX], b.mMaxLocal.mV[VY], b.mMinLocal.mV[VZ] );
+ vertex[7].setVec( b.mMaxLocal.mV[VX], b.mMaxLocal.mV[VY], b.mMaxLocal.mV[VZ] );
+
+ LLMatrix4 m( b.mRotation );
+ m.translate( b.mPosAgent );
+ m.translate( -mPosAgent );
+ m.rotate( ~mRotation );
+
+ for( S32 i=0; i<8; i++ )
+ {
+ addPointLocal( vertex[i] * m );
+ }
+}
+
+LLBBox LLBBox::getAxisAligned() const
+{
+ // no rotation = axis aligned rotation
+ LLBBox aligned(mPosAgent, LLQuaternion(), LLVector3(), LLVector3());
+
+ // add the center point so that it's not empty
+ aligned.addPointAgent(mPosAgent);
+
+ // add our BBox
+ aligned.addBBoxAgent(*this);
+
+ return aligned;
+}
+
+void LLBBox::expand( F32 delta )
+{
+ mMinLocal.mV[VX] -= delta;
+ mMinLocal.mV[VY] -= delta;
+ mMinLocal.mV[VZ] -= delta;
+ mMaxLocal.mV[VX] += delta;
+ mMaxLocal.mV[VY] += delta;
+ mMaxLocal.mV[VZ] += delta;
+}
+
+LLVector3 LLBBox::localToAgent(const LLVector3& v) const
+{
+ LLMatrix4 m( mRotation );
+ m.translate( mPosAgent );
+ return v * m;
+}
+
+LLVector3 LLBBox::agentToLocal(const LLVector3& v) const
+{
+ LLMatrix4 m;
+ m.translate( -mPosAgent );
+ m.rotate( ~mRotation ); // inverse rotation
+ return v * m;
+}
+
+LLVector3 LLBBox::localToAgentBasis(const LLVector3& v) const
+{
+ LLMatrix4 m( mRotation );
+ return v * m;
+}
+
+LLVector3 LLBBox::agentToLocalBasis(const LLVector3& v) const
+{
+ LLMatrix4 m( ~mRotation ); // inverse rotation
+ return v * m;
+}
+
+bool LLBBox::containsPointLocal(const LLVector3& p) const
+{
+ if ( (p.mV[VX] < mMinLocal.mV[VX])
+ ||(p.mV[VX] > mMaxLocal.mV[VX])
+ ||(p.mV[VY] < mMinLocal.mV[VY])
+ ||(p.mV[VY] > mMaxLocal.mV[VY])
+ ||(p.mV[VZ] < mMinLocal.mV[VZ])
+ ||(p.mV[VZ] > mMaxLocal.mV[VZ]))
+ {
+ return false;
+ }
+ return true;
+}
+
+bool LLBBox::containsPointAgent(const LLVector3& p) const
+{
+ LLVector3 point_local = agentToLocal(p);
+ return containsPointLocal(point_local);
+}
+
+LLVector3 LLBBox::getMinAgent() const
+{
+ return localToAgent(mMinLocal);
+}
+
+LLVector3 LLBBox::getMaxAgent() const
+{
+ return localToAgent(mMaxLocal);
+}
+
+/*
+LLBBox operator*(const LLBBox &a, const LLMatrix4 &b)
+{
+ return LLBBox( a.mMin * b, a.mMax * b );
+}
+*/
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