diff options
Diffstat (limited to 'indra/llmath/xform.cpp')
| -rw-r--r-- | indra/llmath/xform.cpp | 238 |
1 files changed, 119 insertions, 119 deletions
diff --git a/indra/llmath/xform.cpp b/indra/llmath/xform.cpp index 239c1ca195..39bbb94c9f 100644 --- a/indra/llmath/xform.cpp +++ b/indra/llmath/xform.cpp @@ -1,119 +1,119 @@ -/**
- * @file xform.cpp
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * 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"
-
-#include "xform.h"
-
-LLXform::LLXform()
-{
- init();
-}
-
-LLXform::~LLXform()
-{
-}
-
-// Link optimization - don't inline these LL_WARNS()
-void LLXform::warn(const char* const msg)
-{
- LL_WARNS() << msg << LL_ENDL;
-}
-
-LLXform* LLXform::getRoot() const
-{
- const LLXform* root = this;
- while(root->mParent)
- {
- root = root->mParent;
- }
- return (LLXform*)root;
-}
-
-bool LLXform::isRoot() const
-{
- return (!mParent);
-}
-
-bool LLXform::isRootEdit() const
-{
- return (!mParent);
-}
-
-LLXformMatrix::~LLXformMatrix()
-{
-}
-
-void LLXformMatrix::update()
-{
- if (mParent)
- {
- mWorldPosition = mPosition;
- if (mParent->getScaleChildOffset())
- {
- mWorldPosition.scaleVec(mParent->getScale());
- }
- mWorldPosition *= mParent->getWorldRotation();
- mWorldPosition += mParent->getWorldPosition();
- mWorldRotation = mRotation * mParent->getWorldRotation();
- }
- else
- {
- mWorldPosition = mPosition;
- mWorldRotation = mRotation;
- }
-}
-
-void LLXformMatrix::updateMatrix(bool update_bounds)
-{
- update();
-
- mWorldMatrix.initAll(mScale, mWorldRotation, mWorldPosition);
-
- if (update_bounds && (mChanged & MOVED))
- {
- mMin.mV[0] = mMax.mV[0] = mWorldMatrix.mMatrix[3][0];
- mMin.mV[1] = mMax.mV[1] = mWorldMatrix.mMatrix[3][1];
- mMin.mV[2] = mMax.mV[2] = mWorldMatrix.mMatrix[3][2];
-
- F32 f0 = (fabs(mWorldMatrix.mMatrix[0][0])+fabs(mWorldMatrix.mMatrix[1][0])+fabs(mWorldMatrix.mMatrix[2][0])) * 0.5f;
- F32 f1 = (fabs(mWorldMatrix.mMatrix[0][1])+fabs(mWorldMatrix.mMatrix[1][1])+fabs(mWorldMatrix.mMatrix[2][1])) * 0.5f;
- F32 f2 = (fabs(mWorldMatrix.mMatrix[0][2])+fabs(mWorldMatrix.mMatrix[1][2])+fabs(mWorldMatrix.mMatrix[2][2])) * 0.5f;
-
- mMin.mV[0] -= f0;
- mMin.mV[1] -= f1;
- mMin.mV[2] -= f2;
-
- mMax.mV[0] += f0;
- mMax.mV[1] += f1;
- mMax.mV[2] += f2;
- }
-}
-
-void LLXformMatrix::getMinMax(LLVector3& min, LLVector3& max) const
-{
- min = mMin;
- max = mMax;
-}
+/** + * @file xform.cpp + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * 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" + +#include "xform.h" + +LLXform::LLXform() +{ + init(); +} + +LLXform::~LLXform() +{ +} + +// Link optimization - don't inline these LL_WARNS() +void LLXform::warn(const char* const msg) +{ + LL_WARNS() << msg << LL_ENDL; +} + +LLXform* LLXform::getRoot() const +{ + const LLXform* root = this; + while(root->mParent) + { + root = root->mParent; + } + return (LLXform*)root; +} + +bool LLXform::isRoot() const +{ + return (!mParent); +} + +bool LLXform::isRootEdit() const +{ + return (!mParent); +} + +LLXformMatrix::~LLXformMatrix() +{ +} + +void LLXformMatrix::update() +{ + if (mParent) + { + mWorldPosition = mPosition; + if (mParent->getScaleChildOffset()) + { + mWorldPosition.scaleVec(mParent->getScale()); + } + mWorldPosition *= mParent->getWorldRotation(); + mWorldPosition += mParent->getWorldPosition(); + mWorldRotation = mRotation * mParent->getWorldRotation(); + } + else + { + mWorldPosition = mPosition; + mWorldRotation = mRotation; + } +} + +void LLXformMatrix::updateMatrix(bool update_bounds) +{ + update(); + + mWorldMatrix.initAll(mScale, mWorldRotation, mWorldPosition); + + if (update_bounds && (mChanged & MOVED)) + { + mMin.mV[0] = mMax.mV[0] = mWorldMatrix.mMatrix[3][0]; + mMin.mV[1] = mMax.mV[1] = mWorldMatrix.mMatrix[3][1]; + mMin.mV[2] = mMax.mV[2] = mWorldMatrix.mMatrix[3][2]; + + F32 f0 = (fabs(mWorldMatrix.mMatrix[0][0])+fabs(mWorldMatrix.mMatrix[1][0])+fabs(mWorldMatrix.mMatrix[2][0])) * 0.5f; + F32 f1 = (fabs(mWorldMatrix.mMatrix[0][1])+fabs(mWorldMatrix.mMatrix[1][1])+fabs(mWorldMatrix.mMatrix[2][1])) * 0.5f; + F32 f2 = (fabs(mWorldMatrix.mMatrix[0][2])+fabs(mWorldMatrix.mMatrix[1][2])+fabs(mWorldMatrix.mMatrix[2][2])) * 0.5f; + + mMin.mV[0] -= f0; + mMin.mV[1] -= f1; + mMin.mV[2] -= f2; + + mMax.mV[0] += f0; + mMax.mV[1] += f1; + mMax.mV[2] += f2; + } +} + +void LLXformMatrix::getMinMax(LLVector3& min, LLVector3& max) const +{ + min = mMin; + max = mMax; +} |