Second Life viewer sources 1.13.2.12

1 files changed, 157 insertions, 0 deletions

diff --git a/linden/indra/newview/llbbox.cpp b/linden/indra/newview/llbbox.cpp
new file mode 100644
index 0000000..aa3d892
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+++ b/linden/indra/newview/llbbox.cpp
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+/** 
+ * @file llbbox.cpp
+ * @brief General purpose bounding box class (Not axis aligned)
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#include "llviewerprecompiledheaders.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 );
+        }
+}
+
+
+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);
+}
+
+
+/*
+LLBBox operator*(const LLBBox &a, const LLMatrix4 &b)
+{
+        return LLBBox( a.mMin * b, a.mMax * b );
+}
+*/