Second Life viewer sources 1.13.2.12

1 files changed, 206 insertions, 0 deletions

diff --git a/linden/indra/llprimitive/lltreeparams.cpp b/linden/indra/llprimitive/lltreeparams.cpp
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+/** 
+ * @file lltreeparams.cpp
+ * @brief implementation of the LLTreeParams class.
+ *
+ * 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 "linden_common.h"
+
+#include "llmath.h"
+
+#include "lltreeparams.h"
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+
+LLTreeParams::LLTreeParams()
+{
+
+//      llinfos << "TREE PARAMS INITIALIZED" << llendl;
+        // init to basic something or other...
+        mShape = SR_TEND_FLAME;
+        mLevels = 1;
+        mScale = 15;
+        mScaleV = 0;
+
+        mBaseSize = 0.3f;
+
+        mRatio = 0.015f;
+        mRatioPower = 1.3f;
+
+        mLobes = 0;
+        mLobeDepth = .1f;
+
+        mFlare = 1.2f;
+        mFlarePercentage = 0.1f;
+        mFlareRes = 3;
+
+        //mAttractionUp = .5f;
+
+        mBaseSplits = 0;
+
+        mScale0 = 2.0;          
+        mScaleV0 = 0.0;
+
+        // level 0
+
+        // scaling
+        mLength[0] = 1.0f;
+        mLengthV[0] = 0;
+        mTaper[0] = 1.0f;
+
+        // stem splits
+        mSegSplits[0] = 0.15f;
+        mSplitAngle[0] = 15.0f;
+        mSplitAngleV[0] = 10.0f;
+
+        mVertices[0] = 5;
+        
+        // curvature
+        mCurveRes[0] = 4;
+        mCurve[0] = 0;
+        mCurveV[0] = 25;
+        mCurveBack[0] = 0;
+
+        // level 1
+
+        // scaling
+        mLength[1] = .3f;
+        mLengthV[1] = 0.05f;
+        mTaper[1] = 1.0f;
+
+        // angle params
+        mDownAngle[0] = 60.0f;
+        mDownAngleV[0] = 20.0f;
+        mRotate[0] = 140.0f;
+        mRotateV[0] = 0.0f;
+        mBranches[0] = 35;
+
+        mVertices[1] = 3; 
+
+        // stem splits
+        mSplitAngle[1] = 0.0f;
+        mSplitAngleV[1] = 0.0f;
+        mSegSplits[1] = 0.0f;
+
+        // curvature
+        mCurveRes[1] = 4;
+        mCurve[1] = 0;
+        mCurveV[1] = 0;
+        mCurveBack[1] = 40;
+
+        // level 2
+        mLength[2] = .6f;
+        mLengthV[2] = .1f;
+        mTaper[2] = 1;
+
+        mDownAngle[1] = 30;
+        mDownAngleV[1] = 10;
+        mRotate[1] = 140;
+        mRotateV[1] = 0;
+
+        mBranches[1] = 20;
+        mVertices[2] = 3;
+
+        mSplitAngle[2] = 0;
+        mSplitAngleV[2] = 0;
+        mSegSplits[2] = 0;
+
+        mCurveRes[2] = 3;
+        mCurve[2] = 10;
+        mCurveV[2] = 150;
+        mCurveBack[2] = 0;
+
+        // level 3
+        mLength[3] = .4f;
+        mLengthV[3] = 0;
+        mTaper[3] = 1;
+
+        mDownAngle[2] = 45;
+        mDownAngleV[2] = 10;
+        mRotate[2] = 140;
+        mRotateV[2] = 0;
+
+        mBranches[2] = 5;
+        mVertices[3] = 3;
+
+
+        mSplitAngle[3] = 0;
+        mSplitAngleV[3] = 0;
+        mSegSplits[3] = 0;
+
+        mCurveRes[3] = 2;
+        mCurve[3] = 0;
+        mCurveV[3] = 0;
+        mCurveBack[3] = 0;
+
+        mLeaves = 0;
+        mLeafScaleX = 1.0f;
+        mLeafScaleY = 1.0f;
+
+        mLeafQuality = 1.25;
+}
+
+LLTreeParams::~LLTreeParams()
+{
+
+}
+
+F32 LLTreeParams::ShapeRatio(EShapeRatio shape, F32 ratio) 
+{
+        switch (shape) {
+                case (SR_CONICAL): 
+                        return (.2f + .8f * ratio);
+                case (SR_SPHERICAL):
+                        return (.2f + .8f * sinf(F_PI*ratio));
+                case (SR_HEMISPHERICAL):
+                        return (.2f + .8f * sinf(.5*F_PI*ratio));
+                case (SR_CYLINDRICAL):
+                        return (1);
+                case (SR_TAPERED_CYLINDRICAL):
+                        return (.5f + .5f * ratio);
+                case (SR_FLAME):
+                        if (ratio <= .7f) {
+                                return ratio/.7f;
+                        } else {
+                                return ((1 - ratio)/.3f);
+                        }
+                case (SR_INVERSE_CONICAL):
+                        return (1 - .8f * ratio);
+                case (SR_TEND_FLAME):
+                        if (ratio <= .7) {
+                                return (.5f + .5f*(ratio/.7f));
+                        } else {
+                                return (.5f + .5f * (1 - ratio)/.3f);
+                        }
+                case (SR_ENVELOPE):
+                        return 1;
+                default:
+                        return 1;
+        }
+}