Second Life viewer sources 1.13.2.12

1 files changed, 148 insertions, 0 deletions

diff --git a/linden/indra/llmath/v3dmath.cpp b/linden/indra/llmath/v3dmath.cpp
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+++ b/linden/indra/llmath/v3dmath.cpp
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+/** 
+ * @file v3dmath.cpp
+ * @brief LLVector3d class implementation.
+ *
+ * Copyright (c) 2000-2007, 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 "linden_common.h"
+
+//#include <sstream>    // gcc 2.95.2 doesn't support sstream 
+
+#include "v3dmath.h"
+
+//#include "vmath.h"
+#include "v4math.h"
+#include "m4math.h"
+#include "m3math.h"
+#include "llquaternion.h"
+#include "llquantize.h"
+
+// LLVector3d
+// WARNING: Don't use these for global const definitions!
+// For example: 
+//              const LLQuaternion(0.5f * F_PI, LLVector3d::zero);
+// at the top of a *.cpp file might not give you what you think.
+const LLVector3d LLVector3d::zero(0,0,0);
+const LLVector3d LLVector3d::x_axis(1, 0, 0);
+const LLVector3d LLVector3d::y_axis(0, 1, 0);
+const LLVector3d LLVector3d::z_axis(0, 0, 1);
+const LLVector3d LLVector3d::x_axis_neg(-1, 0, 0);
+const LLVector3d LLVector3d::y_axis_neg(0, -1, 0);
+const LLVector3d LLVector3d::z_axis_neg(0, 0, -1);
+
+
+// Clamps each values to range (min,max).
+// Returns TRUE if data changed.
+BOOL LLVector3d::clamp(F64 min, F64 max)
+{
+        BOOL ret = FALSE;
+
+        if (mdV[0] < min) { mdV[0] = min; ret = TRUE; }
+        if (mdV[1] < min) { mdV[1] = min; ret = TRUE; }
+        if (mdV[2] < min) { mdV[2] = min; ret = TRUE; }
+
+        if (mdV[0] > max) { mdV[0] = max; ret = TRUE; }
+        if (mdV[1] > max) { mdV[1] = max; ret = TRUE; }
+        if (mdV[2] > max) { mdV[2] = max; ret = TRUE; }
+
+        return ret;
+}
+
+// Sets all values to absolute value of their original values
+// Returns TRUE if data changed
+BOOL LLVector3d::abs()
+{
+        BOOL ret = FALSE;
+
+        if (mdV[0] < 0.0) { mdV[0] = -mdV[0]; ret = TRUE; }
+        if (mdV[1] < 0.0) { mdV[1] = -mdV[1]; ret = TRUE; }
+        if (mdV[2] < 0.0) { mdV[2] = -mdV[2]; ret = TRUE; }
+
+        return ret;
+}
+
+std::ostream& operator<<(std::ostream& s, const LLVector3d &a) 
+{
+        s << "{ " << a.mdV[VX] << ", " << a.mdV[VY] << ", " << a.mdV[VZ] << " }";
+        return s;
+}
+
+const LLVector3d& LLVector3d::operator=(const LLVector4 &a) 
+{
+        mdV[0] = a.mV[0];
+        mdV[1] = a.mV[1];
+        mdV[2] = a.mV[2];
+        return *this;
+}
+
+const LLVector3d&       LLVector3d::rotVec(const LLMatrix3 &mat)
+{
+        *this = *this * mat;
+        return *this;
+}
+
+const LLVector3d&       LLVector3d::rotVec(const LLQuaternion &q)
+{
+        *this = *this * q;
+        return *this;
+}
+
+const LLVector3d&       LLVector3d::rotVec(F64 angle, const LLVector3d &vec)
+{
+        if ( !vec.isExactlyZero() && angle )
+        {
+                *this = *this * LLMatrix3((F32)angle, vec);
+        }
+        return *this;
+}
+
+const LLVector3d&       LLVector3d::rotVec(F64 angle, F64 x, F64 y, F64 z)
+{
+        LLVector3d vec(x, y, z);
+        if ( !vec.isExactlyZero() && angle )
+        {
+                *this = *this * LLMatrix3((F32)angle, vec);
+        }
+        return *this;
+}
+
+
+BOOL LLVector3d::parseVector3d(const char* buf, LLVector3d* value)
+{
+        if( buf == NULL || buf[0] == '\0' || value == NULL)
+        {
+                return FALSE;
+        }
+
+        LLVector3d v;
+        S32 count = sscanf( buf, "%lf %lf %lf", v.mdV + 0, v.mdV + 1, v.mdV + 2 );
+        if( 3 == count )
+        {
+                value->setVec( v );
+                return TRUE;
+        }
+
+        return FALSE;
+}
+