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authorRichard Linden <none@none>2014-02-12 10:32:02 -0800
committerRichard Linden <none@none>2014-02-12 10:32:02 -0800
commit5866bb7ef09b786f8f195770a70dc4289d183ca0 (patch)
tree0be3b5e63506bf30edd3748f9e31740ae9ebbaa8 /indra/newview/llvotreenew.h
parent413be91cf5044889ade97dcbec4b17fceff122e3 (diff)
parenta8192fbf60540e42dcff5f1efb8bf8cafbfac484 (diff)
merge with release
Diffstat (limited to 'indra/newview/llvotreenew.h')
-rwxr-xr-xindra/newview/llvotreenew.h218
1 files changed, 0 insertions, 218 deletions
diff --git a/indra/newview/llvotreenew.h b/indra/newview/llvotreenew.h
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--- a/indra/newview/llvotreenew.h
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-/**
- * @file llvotreenew.h
- * @brief LLVOTreeNew class header file
- *
- * $LicenseInfo:firstyear=2003&license=viewerlgpl$
- * 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
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLVOTREENEW_H
-#define LL_LLVOTREENEW_H
-
-#include "llviewerobject.h"
-#include "lldarray.h"
-#include "xform.h"
-
-#include "lltreeparams.h"
-#include "llstrider.h"
-#include "v2math.h"
-#include "v3math.h"
-#include "llviewertexture.h"
-
-class LLFace;
-class LLDrawPool;
-
-// number of static arrays created
-const U8 MAX_SPECIES = 16; // max species of trees
-const U8 MAX_PARTS = 15; // trunk, 2 or 3 branches per species?
-const U8 MAX_RES = 6; // max # cross sections for a branch curve
-const U8 MAX_FLARE = 6; // max # cross sections for flare of trunk
-const U8 MAX_LEVELS = 3;
-
-// initial vertex array allocations
-const U32 NUM_INIT_VERTS = 5000; // number of vertices/normals/texcoords
-const U32 NUM_INIT_INDICES = 15000; // number of indices to vert array (3 vertices per triangle, roughly 3x)
-const U32 NUM_TIMES_TO_DOUBLE = 2; // if we go over initial allocations, num times to double each step
-
-// for finding the closest parts...
-
-// the parts are searched based on:
-const F32 MAX_LOBES_DIFF = 2;
-const F32 MAX_LOBEDEPTH_DIFF = .3f;
-const F32 MAX_CURVEBACK_DIFF = 20.0f;
-const F32 MAX_CURVE_DIFF = 15.0f;
-const F32 MAX_CURVE_V_DIFF = 20.0f;
-
-const F32 CURVEV_DIVIDER = 10.0f; // curveV/CURVEV_DIVIDER = # branch variances...
-const U8 MAX_VARS = 3; // max number of variations of branches
-
-const U8 MAX_RAND_NUMS = 100; // max number of rand numbers to pregenerate and store
-
-// texture params
-const F32 WIDTH_OF_BARK = .48f;
-
-class LLVOTreeNew : public LLViewerObject
-{
-public:
-
- // Some random number generators using the pre-generated random numbers
- // return +- negPos
- static S32 llrand_signed(S32 negPos)
- {
- return (ll_rand((U32)negPos * 2) - negPos);
- };
-
- static S32 llrand_signed(S32 negPos, U32 index)
- {
- return lltrunc((sRandNums[index % MAX_RAND_NUMS] * (negPos * 2.0f) - negPos));
- };
-
- static S32 llrand_unsigned(S32 pos, U32 index)
- {
- return lltrunc((sRandNums[index % MAX_RAND_NUMS] * pos));
- };
-
- // return +- negPos
- static F32 llfrand_signed(F32 negPos)
- {
- return (ll_frand(negPos * 2.0f) - negPos);
- };
-
- static F32 llfrand_signed(F32 negPos, U32 index)
- {
- return (sRandNums[index % MAX_RAND_NUMS] * negPos * 2.0f) - negPos;
- };
-
- static F32 llfrand_unsigned(F32 pos, U32 index)
- {
- return sRandNums[index % MAX_RAND_NUMS] * pos;
- };
-
- // return between 0-pos
- static F32 llfrand_unsigned(F32 pos)
- {
- return ll_frand(pos);
- };
-
- static void cleanupTextures() {}; // not needed anymore
-
- struct TreePart
- {
- F32 mRadius; // scale x/y
- F32 mLength; // scale z
- F32 mCurve;
- F32 mCurveV;
- F32 mCurveRes;
- F32 mCurveBack;
- U8 mLobes;
- F32 mLobeDepth;
- U8 mLevel;
- U32 mNumTris;
- U8 mVertsPerSection;
- U8 mNumVariants;
-
- // first index into the drawpool arrays for this particular branch
- U32 mIndiceIndex[MAX_VARS];
- U32 mOffsets[MAX_VARS][MAX_RES]; // offsets for the partial branch pieces
- // local section frames for this branch
- LLMatrix4 mFrames[MAX_VARS][(MAX_RES*(MAX_RES + 1))/2]; // (0...n) + (1...n) + ... + (n-1..n)
- LLDynamicArray<LLVector3> mFaceNormals;
-
- };
-
- LLVOTreeNew(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
- virtual ~LLVOTreeNew();
-
- /*virtual*/
- U32 processUpdateMessage(LLMessageSystem *mesgsys,
- void **user_data,
- U32 block_num, const EObjectUpdateType update_type,
- LLDataPacker *dp);
-
- /*virtual*/ BOOL idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time);
-
- /*virtual*/ void render(LLAgent &agent);
- /*virtual*/ void updateTextures();
-
- /*virtual*/ LLDrawable* createDrawable(LLPipeline *pipeline);
- /*virtual*/ BOOL updateGeometry(LLDrawable *drawable);
-
- F32 CalcZStep(TreePart *part, U8 section);
-
- void createPart(U8 level, F32 length, F32 radius, LLStrider<LLVector3> &vertices, LLStrider<LLVector3> &normals,
- LLStrider<LLVector2> &tex_coords, U32 *indices,
- U32 &curVertexIndex, U32 &curTexCoordIndex,
- U32 &curNormalIndex, U32 &curIndiceIndex);
-
- S32 findSimilarPart(U8 level);
-
- F32 CalculateSectionRadius(U8 level, F32 y, F32 stemLength, F32 stemRadius);
- //F32 CalculateVerticalAttraction(U8 level, LLMatrix4 &sectionFrame);
-
- void createSection(LLMatrix4 &frame, TreePart *part, F32 sectionRadius, F32 stemZ,
- LLStrider<LLVector3> &vertices, LLStrider<LLVector2> &tex_coords, U32 *indices,
- U32 &curVertexIndex, U32 &curTexCoordIndex, U32 &curIndiceIndex, U8 curSection, BOOL firstBranch);
-
- void genIndicesAndFaceNormalsForLastSection(TreePart *part, U8 numVerts, LLStrider<LLVector3> &vertices, U32 curVertexIndex, U32 *indices, U32 &curIndiceIndex, BOOL firstBranch);
-
- void genVertexNormals(TreePart *part, LLStrider<LLVector3> &normals, U8 numSections, U32 curNormalOffset);
-
- void drawTree(LLDrawPool &draw_pool, const LLMatrix4 &frame, U8 level, F32 offsetChild, F32 curLength, F32 parentLength, F32 curRadius, F32 parentRadius, U8 part, U8 variant, U8 startSection);
- void drawTree(LLDrawPool &draw_pool);
-
-
- //LLTreeParams mParams;
- U8 mSpecies;
- LLPointer<LLViewerTexture> mTreeImagep;
- LLMatrix4 mTrunkFlareFrames[MAX_FLARE];
- F32 mSegSplitsError[3];
- U32 mRandOffset[MAX_LEVELS];
-
- U32 mNumTrisDrawn;
- U32 mTotalIndices;
- U32 mTotalVerts;
-
- static void initClass();
-
- // tree params
- static LLTreeParams sParameters;
-
- // next indexes used to drawpool arrays
- static U32 sNextVertexIndex[MAX_SPECIES];
- static U32 sNextIndiceIndex[MAX_SPECIES];
-
- // tree parts
- static U32 sNextPartIndex[MAX_PARTS];
- static TreePart sTreeParts[MAX_SPECIES][MAX_PARTS];
-
- // species images
- static LLUUID sTreeImageIDs[MAX_SPECIES];
-
- // random numbers
- static F32 sRandNums[MAX_RAND_NUMS];
-
- // usage data
- static U32 sTreePartsUsed[MAX_SPECIES][MAX_PARTS][MAX_VARS];
-
-
-};
-
-#endif