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 838dee0a54..239c1ca195 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;
+}
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