#824 Process source files in bulk: replace tabs with spaces, convert CRLF to LF, and trim trailing whitespaces as needed

1 files changed, 1009 insertions, 1009 deletions

diff --git a/indra/newview/llsurface.cpp b/indra/newview/llsurface.cpp
index 1418499f8b..93e1f9c774 100644
--- a/indra/newview/llsurface.cpp
+++ b/indra/newview/llsurface.cpp
@@ -1,25 +1,25 @@
-/** 
+/**
  * @file llsurface.cpp
  * @brief Implementation of LLSurface class
  *
  * $LicenseInfo:firstyear=2000&license=viewerlgpl$
  * 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
  * $/LicenseInfo$
  */
@@ -66,82 +66,82 @@ S32 LLSurface::sTextureSize = 256;
 // ---------------- LLSurface:: Public Members ---------------
 
 LLSurface::LLSurface(U32 type, LLViewerRegion *regionp) :
-	mGridsPerEdge(0),
-	mOOGridsPerEdge(0.f),
-	mPatchesPerEdge(0),
-	mNumberOfPatches(0),
-	mType(type),
-	mDetailTextureScale(0.f),
-	mOriginGlobal(0.0, 0.0, 0.0),
-	mSTexturep(NULL),
-	mWaterTexturep(NULL),
-	mGridsPerPatchEdge(0),
-	mMetersPerGrid(1.0f),
-	mMetersPerEdge(1.0f),
-	mRegionp(regionp)
+    mGridsPerEdge(0),
+    mOOGridsPerEdge(0.f),
+    mPatchesPerEdge(0),
+    mNumberOfPatches(0),
+    mType(type),
+    mDetailTextureScale(0.f),
+    mOriginGlobal(0.0, 0.0, 0.0),
+    mSTexturep(NULL),
+    mWaterTexturep(NULL),
+    mGridsPerPatchEdge(0),
+    mMetersPerGrid(1.0f),
+    mMetersPerEdge(1.0f),
+    mRegionp(regionp)
 {
-	// Surface data
-	mSurfaceZ = NULL;
-	mNorm = NULL;
+    // Surface data
+    mSurfaceZ = NULL;
+    mNorm = NULL;
 
-	// Patch data
-	mPatchList = NULL;
+    // Patch data
+    mPatchList = NULL;
 
-	// One of each for each camera
-	mVisiblePatchCount = 0;
+    // One of each for each camera
+    mVisiblePatchCount = 0;
 
-	mHasZData = FALSE;
-	// "uninitialized" min/max z
-	mMinZ = 10000.f;
-	mMaxZ = -10000.f;
+    mHasZData = FALSE;
+    // "uninitialized" min/max z
+    mMinZ = 10000.f;
+    mMaxZ = -10000.f;
 
-	mWaterObjp = NULL;
+    mWaterObjp = NULL;
 
-	// In here temporarily.
-	mSurfacePatchUpdateCount = 0;
+    // In here temporarily.
+    mSurfacePatchUpdateCount = 0;
 
-	for (S32 i = 0; i < 8; i++)
-	{
-		mNeighbors[i] = NULL;
-	}
+    for (S32 i = 0; i < 8; i++)
+    {
+        mNeighbors[i] = NULL;
+    }
 }
 
 
 LLSurface::~LLSurface()
 {
-	delete [] mSurfaceZ;
-	mSurfaceZ = NULL;
-
-	delete [] mNorm;
-
-	mGridsPerEdge = 0;
-	mGridsPerPatchEdge = 0;
-	mPatchesPerEdge = 0;
-	mNumberOfPatches = 0;
-	destroyPatchData();
-
-	LLDrawPoolTerrain *poolp = (LLDrawPoolTerrain*) gPipeline.findPool(LLDrawPool::POOL_TERRAIN, mSTexturep);
-	if (!poolp)
-	{
-		LL_WARNS() << "No pool for terrain on destruction!" << LL_ENDL;
-	}
-	else if (poolp->mReferences.empty())
-	{
-		gPipeline.removePool(poolp);
-		// Don't enable this until we blitz the draw pool for it as well.  -- djs
-		if (mSTexturep)
-		{
-			mSTexturep = NULL;
-		}
-		if (mWaterTexturep)
-		{
-			mWaterTexturep = NULL;
-		}
-	}
-	else
-	{
-		LL_ERRS() << "Terrain pool not empty!" << LL_ENDL;
-	}
+    delete [] mSurfaceZ;
+    mSurfaceZ = NULL;
+
+    delete [] mNorm;
+
+    mGridsPerEdge = 0;
+    mGridsPerPatchEdge = 0;
+    mPatchesPerEdge = 0;
+    mNumberOfPatches = 0;
+    destroyPatchData();
+
+    LLDrawPoolTerrain *poolp = (LLDrawPoolTerrain*) gPipeline.findPool(LLDrawPool::POOL_TERRAIN, mSTexturep);
+    if (!poolp)
+    {
+        LL_WARNS() << "No pool for terrain on destruction!" << LL_ENDL;
+    }
+    else if (poolp->mReferences.empty())
+    {
+        gPipeline.removePool(poolp);
+        // Don't enable this until we blitz the draw pool for it as well.  -- djs
+        if (mSTexturep)
+        {
+            mSTexturep = NULL;
+        }
+        if (mWaterTexturep)
+        {
+            mWaterTexturep = NULL;
+        }
+    }
+    else
+    {
+        LL_ERRS() << "Terrain pool not empty!" << LL_ENDL;
+    }
 }
 
 void LLSurface::initClasses()
@@ -150,537 +150,537 @@ void LLSurface::initClasses()
 
 void LLSurface::setRegion(LLViewerRegion *regionp)
 {
-	mRegionp = regionp;
-	mWaterObjp = NULL; // depends on regionp, needs recreating
+    mRegionp = regionp;
+    mWaterObjp = NULL; // depends on regionp, needs recreating
 }
 
 // Assumes that arguments are powers of 2, and that
-// grids_per_edge / grids_per_patch_edge = power of 2 
+// grids_per_edge / grids_per_patch_edge = power of 2
 void LLSurface::create(const S32 grids_per_edge,
-					   const S32 grids_per_patch_edge,
-					   const LLVector3d &origin_global,
-					   const F32 width) 
+                       const S32 grids_per_patch_edge,
+                       const LLVector3d &origin_global,
+                       const F32 width)
 {
-	// Initialize various constants for the surface
-	mGridsPerEdge = grids_per_edge + 1;  // Add 1 for the east and north buffer
-	mOOGridsPerEdge = 1.f / mGridsPerEdge;
-	mGridsPerPatchEdge = grids_per_patch_edge;
-	mPatchesPerEdge = (mGridsPerEdge - 1) / mGridsPerPatchEdge;
-	mNumberOfPatches = mPatchesPerEdge * mPatchesPerEdge;
-	mMetersPerGrid = width / ((F32)(mGridsPerEdge - 1));
-	mMetersPerEdge = mMetersPerGrid * (mGridsPerEdge - 1);
-
-	mOriginGlobal.setVec(origin_global);
-
-	mPVArray.create(mGridsPerEdge, mGridsPerPatchEdge, LLWorld::getInstance()->getRegionScale());
-
-	S32 number_of_grids = mGridsPerEdge * mGridsPerEdge;
-
-	/////////////////////////////////////
-	//
-	// Initialize data arrays for surface
-	///
-	mSurfaceZ = new F32[number_of_grids];
-	mNorm = new LLVector3[number_of_grids];
-
-	// Reset the surface to be a flat square grid
-	for(S32 i=0; i < number_of_grids; i++) 
-	{
-		// Surface is flat and zero
-		// Normals all point up
-		mSurfaceZ[i] = 0.0f;
-		mNorm[i].setVec(0.f, 0.f, 1.f);
-	}
+    // Initialize various constants for the surface
+    mGridsPerEdge = grids_per_edge + 1;  // Add 1 for the east and north buffer
+    mOOGridsPerEdge = 1.f / mGridsPerEdge;
+    mGridsPerPatchEdge = grids_per_patch_edge;
+    mPatchesPerEdge = (mGridsPerEdge - 1) / mGridsPerPatchEdge;
+    mNumberOfPatches = mPatchesPerEdge * mPatchesPerEdge;
+    mMetersPerGrid = width / ((F32)(mGridsPerEdge - 1));
+    mMetersPerEdge = mMetersPerGrid * (mGridsPerEdge - 1);
+
+    mOriginGlobal.setVec(origin_global);
+
+    mPVArray.create(mGridsPerEdge, mGridsPerPatchEdge, LLWorld::getInstance()->getRegionScale());
+
+    S32 number_of_grids = mGridsPerEdge * mGridsPerEdge;
+
+    /////////////////////////////////////
+    //
+    // Initialize data arrays for surface
+    ///
+    mSurfaceZ = new F32[number_of_grids];
+    mNorm = new LLVector3[number_of_grids];
+
+    // Reset the surface to be a flat square grid
+    for(S32 i=0; i < number_of_grids; i++)
+    {
+        // Surface is flat and zero
+        // Normals all point up
+        mSurfaceZ[i] = 0.0f;
+        mNorm[i].setVec(0.f, 0.f, 1.f);
+    }
 
 
-	mVisiblePatchCount = 0;
+    mVisiblePatchCount = 0;
 
 
-	///////////////////////
-	//
-	// Initialize textures
-	//
+    ///////////////////////
+    //
+    // Initialize textures
+    //
 
-	initTextures();
+    initTextures();
 
-	// Has to be done after texture initialization
-	createPatchData();
+    // Has to be done after texture initialization
+    createPatchData();
 }
 
 LLViewerTexture* LLSurface::getSTexture()
 {
-	if (mSTexturep.notNull() && !mSTexturep->hasGLTexture())
-	{
-		createSTexture();
-	}
-	return mSTexturep;
+    if (mSTexturep.notNull() && !mSTexturep->hasGLTexture())
+    {
+        createSTexture();
+    }
+    return mSTexturep;
 }
 
 LLViewerTexture* LLSurface::getWaterTexture()
 {
-	if (mWaterTexturep.notNull() && !mWaterTexturep->hasGLTexture())
-	{
-		createWaterTexture();
-	}
-	return mWaterTexturep;
+    if (mWaterTexturep.notNull() && !mWaterTexturep->hasGLTexture())
+    {
+        createWaterTexture();
+    }
+    return mWaterTexturep;
 }
 
 void LLSurface::createSTexture()
 {
-	if (!mSTexturep)
-	{
-		// Fill with dummy gray data.	
-		// GL NOT ACTIVE HERE
-		LLPointer<LLImageRaw> raw = new LLImageRaw(sTextureSize, sTextureSize, 3);
-		U8 *default_texture = raw->getData();
-		for (S32 i = 0; i < sTextureSize; i++)
-		{
-			for (S32 j = 0; j < sTextureSize; j++)
-			{
-				*(default_texture + (i*sTextureSize + j)*3) = 128;
-				*(default_texture + (i*sTextureSize + j)*3 + 1) = 128;
-				*(default_texture + (i*sTextureSize + j)*3 + 2) = 128;
-			}
-		}
-
-		mSTexturep = LLViewerTextureManager::getLocalTexture(raw.get(), FALSE);
-		mSTexturep->dontDiscard();
-		gGL.getTexUnit(0)->bind(mSTexturep);
-		mSTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);		
-	}
+    if (!mSTexturep)
+    {
+        // Fill with dummy gray data.
+        // GL NOT ACTIVE HERE
+        LLPointer<LLImageRaw> raw = new LLImageRaw(sTextureSize, sTextureSize, 3);
+        U8 *default_texture = raw->getData();
+        for (S32 i = 0; i < sTextureSize; i++)
+        {
+            for (S32 j = 0; j < sTextureSize; j++)
+            {
+                *(default_texture + (i*sTextureSize + j)*3) = 128;
+                *(default_texture + (i*sTextureSize + j)*3 + 1) = 128;
+                *(default_texture + (i*sTextureSize + j)*3 + 2) = 128;
+            }
+        }
+
+        mSTexturep = LLViewerTextureManager::getLocalTexture(raw.get(), FALSE);
+        mSTexturep->dontDiscard();
+        gGL.getTexUnit(0)->bind(mSTexturep);
+        mSTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);
+    }
 }
 
 void LLSurface::createWaterTexture()
 {
-	if (!mWaterTexturep)
-	{
-		// Create the water texture
-		LLPointer<LLImageRaw> raw = new LLImageRaw(sTextureSize/2, sTextureSize/2, 4);
-		U8 *default_texture = raw->getData();
-		for (S32 i = 0; i < sTextureSize/2; i++)
-		{
-			for (S32 j = 0; j < sTextureSize/2; j++)
-			{
-				*(default_texture + (i*sTextureSize/2 + j)*4) = MAX_WATER_COLOR.mV[0];
-				*(default_texture + (i*sTextureSize/2 + j)*4 + 1) = MAX_WATER_COLOR.mV[1];
-				*(default_texture + (i*sTextureSize/2 + j)*4 + 2) = MAX_WATER_COLOR.mV[2];
-				*(default_texture + (i*sTextureSize/2 + j)*4 + 3) = MAX_WATER_COLOR.mV[3];
-			}
-		}		
-		
-		mWaterTexturep = LLViewerTextureManager::getLocalTexture(raw.get(), FALSE);
-		mWaterTexturep->dontDiscard();
-		gGL.getTexUnit(0)->bind(mWaterTexturep);
-		mWaterTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);
-	}
+    if (!mWaterTexturep)
+    {
+        // Create the water texture
+        LLPointer<LLImageRaw> raw = new LLImageRaw(sTextureSize/2, sTextureSize/2, 4);
+        U8 *default_texture = raw->getData();
+        for (S32 i = 0; i < sTextureSize/2; i++)
+        {
+            for (S32 j = 0; j < sTextureSize/2; j++)
+            {
+                *(default_texture + (i*sTextureSize/2 + j)*4) = MAX_WATER_COLOR.mV[0];
+                *(default_texture + (i*sTextureSize/2 + j)*4 + 1) = MAX_WATER_COLOR.mV[1];
+                *(default_texture + (i*sTextureSize/2 + j)*4 + 2) = MAX_WATER_COLOR.mV[2];
+                *(default_texture + (i*sTextureSize/2 + j)*4 + 3) = MAX_WATER_COLOR.mV[3];
+            }
+        }
+
+        mWaterTexturep = LLViewerTextureManager::getLocalTexture(raw.get(), FALSE);
+        mWaterTexturep->dontDiscard();
+        gGL.getTexUnit(0)->bind(mWaterTexturep);
+        mWaterTexturep->setAddressMode(LLTexUnit::TAM_CLAMP);
+    }
 }
 
 void LLSurface::initTextures()
 {
-	///////////////////////
-	//
-	// Main surface texture
-	//
-	createSTexture();
-
-	///////////////////////
-	//
-	// Water texture
-	//
-	if (gSavedSettings.getBOOL("RenderWater") )
-	{
-		createWaterTexture();
-		mWaterObjp = (LLVOWater *)gObjectList.createObjectViewer(LLViewerObject::LL_VO_WATER, mRegionp);
-		gPipeline.createObject(mWaterObjp);
-		LLVector3d water_pos_global = from_region_handle(mRegionp->getHandle());
-		water_pos_global += LLVector3d(128.0, 128.0, DEFAULT_WATER_HEIGHT);		// region doesn't have a valid water height yet
-		mWaterObjp->setPositionGlobal(water_pos_global);
-	}
+    ///////////////////////
+    //
+    // Main surface texture
+    //
+    createSTexture();
+
+    ///////////////////////
+    //
+    // Water texture
+    //
+    if (gSavedSettings.getBOOL("RenderWater") )
+    {
+        createWaterTexture();
+        mWaterObjp = (LLVOWater *)gObjectList.createObjectViewer(LLViewerObject::LL_VO_WATER, mRegionp);
+        gPipeline.createObject(mWaterObjp);
+        LLVector3d water_pos_global = from_region_handle(mRegionp->getHandle());
+        water_pos_global += LLVector3d(128.0, 128.0, DEFAULT_WATER_HEIGHT);     // region doesn't have a valid water height yet
+        mWaterObjp->setPositionGlobal(water_pos_global);
+    }
 }
 
 
-void LLSurface::setOriginGlobal(const LLVector3d &origin_global) 
+void LLSurface::setOriginGlobal(const LLVector3d &origin_global)
 {
-	LLVector3d new_origin_global;
-	mOriginGlobal = origin_global;
-	LLSurfacePatch *patchp;
-	S32 i, j;
-	// Need to update the southwest corners of the patches
-	for (j=0; j<mPatchesPerEdge; j++) 
-	{
-		for (i=0; i<mPatchesPerEdge; i++) 
-		{
-			patchp = getPatch(i, j);
-
-			new_origin_global = patchp->getOriginGlobal();
-			
-			new_origin_global.mdV[0] = mOriginGlobal.mdV[0] + i * mMetersPerGrid * mGridsPerPatchEdge;
-			new_origin_global.mdV[1] = mOriginGlobal.mdV[1] + j * mMetersPerGrid * mGridsPerPatchEdge;
-			patchp->setOriginGlobal(new_origin_global);
-		}
-	}
-
-	// Hack!
-	if (mWaterObjp.notNull() && mWaterObjp->mDrawable.notNull())
-	{
-		const F64 x = origin_global.mdV[VX] + 128.0;
-		const F64 y = origin_global.mdV[VY] + 128.0;
-		const F64 z = mWaterObjp->getPositionGlobal().mdV[VZ];
-
-		LLVector3d water_origin_global(x, y, z);
-
-		mWaterObjp->setPositionGlobal(water_origin_global);
-	}
+    LLVector3d new_origin_global;
+    mOriginGlobal = origin_global;
+    LLSurfacePatch *patchp;
+    S32 i, j;
+    // Need to update the southwest corners of the patches
+    for (j=0; j<mPatchesPerEdge; j++)
+    {
+        for (i=0; i<mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(i, j);
+
+            new_origin_global = patchp->getOriginGlobal();
+
+            new_origin_global.mdV[0] = mOriginGlobal.mdV[0] + i * mMetersPerGrid * mGridsPerPatchEdge;
+            new_origin_global.mdV[1] = mOriginGlobal.mdV[1] + j * mMetersPerGrid * mGridsPerPatchEdge;
+            patchp->setOriginGlobal(new_origin_global);
+        }
+    }
+
+    // Hack!
+    if (mWaterObjp.notNull() && mWaterObjp->mDrawable.notNull())
+    {
+        const F64 x = origin_global.mdV[VX] + 128.0;
+        const F64 y = origin_global.mdV[VY] + 128.0;
+        const F64 z = mWaterObjp->getPositionGlobal().mdV[VZ];
+
+        LLVector3d water_origin_global(x, y, z);
+
+        mWaterObjp->setPositionGlobal(water_origin_global);
+    }
 }
 
 void LLSurface::getNeighboringRegions( std::vector<LLViewerRegion*>& uniqueRegions )
 {
-	S32 i;
-	for (i = 0; i < 8; i++)
-	{
-		if ( mNeighbors[i] != NULL )
-		{
-			uniqueRegions.push_back( mNeighbors[i]->getRegion() );
-		}
-	}	
+    S32 i;
+    for (i = 0; i < 8; i++)
+    {
+        if ( mNeighbors[i] != NULL )
+        {
+            uniqueRegions.push_back( mNeighbors[i]->getRegion() );
+        }
+    }
 }
 
 
 void LLSurface::getNeighboringRegionsStatus( std::vector<S32>& regions )
 {
-	S32 i;
-	for (i = 0; i < 8; i++)
-	{
-		if ( mNeighbors[i] != NULL )
-		{
-			regions.push_back( i );
-		}
-	}	
+    S32 i;
+    for (i = 0; i < 8; i++)
+    {
+        if ( mNeighbors[i] != NULL )
+        {
+            regions.push_back( i );
+        }
+    }
 }
 
 void LLSurface::connectNeighbor(LLSurface *neighborp, U32 direction)
 {
-	S32 i;
-	LLSurfacePatch *patchp, *neighbor_patchp;
-
-	mNeighbors[direction] = neighborp;
-	neighborp->mNeighbors[gDirOpposite[direction]] = this;
-
-	// Connect patches
-	if (NORTHEAST == direction)
-	{
-		patchp = getPatch(mPatchesPerEdge - 1, mPatchesPerEdge - 1);
-		neighbor_patchp = neighborp->getPatch(0, 0);
-
-		patchp->connectNeighbor(neighbor_patchp, direction);
-		neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
-
-		patchp->updateNorthEdge(); // Only update one of north or east.
-		patchp->dirtyZ();
-	}
-	else if (NORTHWEST == direction)
-	{
-		patchp = getPatch(0, mPatchesPerEdge - 1);
-		neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, 0);
-
-		patchp->connectNeighbor(neighbor_patchp, direction);
-		neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
-	}
-	else if (SOUTHWEST == direction)
-	{
-		patchp = getPatch(0, 0);
-		neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, mPatchesPerEdge - 1);
-
-		patchp->connectNeighbor(neighbor_patchp, direction);
-		neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
-
-		neighbor_patchp->updateNorthEdge(); // Only update one of north or east.
-		neighbor_patchp->dirtyZ();
-	}
-	else if (SOUTHEAST == direction)
-	{
-		patchp = getPatch(mPatchesPerEdge - 1, 0);
-		neighbor_patchp = neighborp->getPatch(0, mPatchesPerEdge - 1);
-
-		patchp->connectNeighbor(neighbor_patchp, direction);
-		neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
-	}
-	else if (EAST == direction)
-	{
-		// Do east/west connections, first
-		for (i = 0; i < (S32)mPatchesPerEdge; i++)
-		{
-			patchp = getPatch(mPatchesPerEdge - 1, i);
-			neighbor_patchp = neighborp->getPatch(0, i);
-
-			patchp->connectNeighbor(neighbor_patchp, direction);
-			neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
-
-			patchp->updateEastEdge();
-			patchp->dirtyZ();
-		}
-
-		// Now do northeast/southwest connections
-		for (i = 0; i < (S32)mPatchesPerEdge - 1; i++)
-		{
-			patchp = getPatch(mPatchesPerEdge - 1, i);
-			neighbor_patchp = neighborp->getPatch(0, i+1);
-
-			patchp->connectNeighbor(neighbor_patchp, NORTHEAST);
-			neighbor_patchp->connectNeighbor(patchp, SOUTHWEST);
-		}
-		// Now do southeast/northwest connections
-		for (i = 1; i < (S32)mPatchesPerEdge; i++)
-		{
-			patchp = getPatch(mPatchesPerEdge - 1, i);
-			neighbor_patchp = neighborp->getPatch(0, i-1);
-
-			patchp->connectNeighbor(neighbor_patchp, SOUTHEAST);
-			neighbor_patchp->connectNeighbor(patchp, NORTHWEST);
-		}
-	}
-	else if (NORTH == direction)
-	{
-		// Do north/south connections, first
-		for (i = 0; i < (S32)mPatchesPerEdge; i++)
-		{
-			patchp = getPatch(i, mPatchesPerEdge - 1);
-			neighbor_patchp = neighborp->getPatch(i, 0);
-
-			patchp->connectNeighbor(neighbor_patchp, direction);
-			neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
-
-			patchp->updateNorthEdge();
-			patchp->dirtyZ();
-		}
-
-		// Do northeast/southwest connections
-		for (i = 0; i < (S32)mPatchesPerEdge - 1; i++)
-		{
-			patchp = getPatch(i, mPatchesPerEdge - 1);
-			neighbor_patchp = neighborp->getPatch(i+1, 0);
-
-			patchp->connectNeighbor(neighbor_patchp, NORTHEAST);
-			neighbor_patchp->connectNeighbor(patchp, SOUTHWEST);
-		}
-		// Do southeast/northwest connections
-		for (i = 1; i < (S32)mPatchesPerEdge; i++)
-		{
-			patchp = getPatch(i, mPatchesPerEdge - 1);
-			neighbor_patchp = neighborp->getPatch(i-1, 0);
-
-			patchp->connectNeighbor(neighbor_patchp, NORTHWEST);
-			neighbor_patchp->connectNeighbor(patchp, SOUTHEAST);
-		}
-	}
-	else if (WEST == direction)
-	{
-		// Do east/west connections, first
-		for (i = 0; i < mPatchesPerEdge; i++)
-		{
-			patchp = getPatch(0, i);
-			neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, i);
-
-			patchp->connectNeighbor(neighbor_patchp, direction);
-			neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
-
-			neighbor_patchp->updateEastEdge();
-			neighbor_patchp->dirtyZ();
-		}
-
-		// Now do northeast/southwest connections
-		for (i = 1; i < mPatchesPerEdge; i++)
-		{
-			patchp = getPatch(0, i);
-			neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, i - 1);
-
-			patchp->connectNeighbor(neighbor_patchp, SOUTHWEST);
-			neighbor_patchp->connectNeighbor(patchp, NORTHEAST);
-		}
-
-		// Now do northwest/southeast connections
-		for (i = 0; i < mPatchesPerEdge - 1; i++)
-		{
-			patchp = getPatch(0, i);
-			neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, i + 1);
-
-			patchp->connectNeighbor(neighbor_patchp, NORTHWEST);
-			neighbor_patchp->connectNeighbor(patchp, SOUTHEAST);
-		}
-	}
-	else if (SOUTH == direction)
-	{
-		// Do north/south connections, first
-		for (i = 0; i < mPatchesPerEdge; i++)
-		{
-			patchp = getPatch(i, 0);
-			neighbor_patchp = neighborp->getPatch(i, mPatchesPerEdge - 1);
-
-			patchp->connectNeighbor(neighbor_patchp, direction);
-			neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
-
-			neighbor_patchp->updateNorthEdge();
-			neighbor_patchp->dirtyZ();
-		}
-
-		// Now do northeast/southwest connections
-		for (i = 1; i < mPatchesPerEdge; i++)
-		{
-			patchp = getPatch(i, 0);
-			neighbor_patchp = neighborp->getPatch(i - 1, mPatchesPerEdge - 1);
-
-			patchp->connectNeighbor(neighbor_patchp, SOUTHWEST);
-			neighbor_patchp->connectNeighbor(patchp, NORTHEAST);
-		}
-		// Now do northeast/southwest connections
-		for (i = 0; i < mPatchesPerEdge - 1; i++)
-		{
-			patchp = getPatch(i, 0);
-			neighbor_patchp = neighborp->getPatch(i + 1, mPatchesPerEdge - 1);
-
-			patchp->connectNeighbor(neighbor_patchp, SOUTHEAST);
-			neighbor_patchp->connectNeighbor(patchp, NORTHWEST);
-		}
-	}		
+    S32 i;
+    LLSurfacePatch *patchp, *neighbor_patchp;
+
+    mNeighbors[direction] = neighborp;
+    neighborp->mNeighbors[gDirOpposite[direction]] = this;
+
+    // Connect patches
+    if (NORTHEAST == direction)
+    {
+        patchp = getPatch(mPatchesPerEdge - 1, mPatchesPerEdge - 1);
+        neighbor_patchp = neighborp->getPatch(0, 0);
+
+        patchp->connectNeighbor(neighbor_patchp, direction);
+        neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
+
+        patchp->updateNorthEdge(); // Only update one of north or east.
+        patchp->dirtyZ();
+    }
+    else if (NORTHWEST == direction)
+    {
+        patchp = getPatch(0, mPatchesPerEdge - 1);
+        neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, 0);
+
+        patchp->connectNeighbor(neighbor_patchp, direction);
+        neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
+    }
+    else if (SOUTHWEST == direction)
+    {
+        patchp = getPatch(0, 0);
+        neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, mPatchesPerEdge - 1);
+
+        patchp->connectNeighbor(neighbor_patchp, direction);
+        neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
+
+        neighbor_patchp->updateNorthEdge(); // Only update one of north or east.
+        neighbor_patchp->dirtyZ();
+    }
+    else if (SOUTHEAST == direction)
+    {
+        patchp = getPatch(mPatchesPerEdge - 1, 0);
+        neighbor_patchp = neighborp->getPatch(0, mPatchesPerEdge - 1);
+
+        patchp->connectNeighbor(neighbor_patchp, direction);
+        neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
+    }
+    else if (EAST == direction)
+    {
+        // Do east/west connections, first
+        for (i = 0; i < (S32)mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(mPatchesPerEdge - 1, i);
+            neighbor_patchp = neighborp->getPatch(0, i);
+
+            patchp->connectNeighbor(neighbor_patchp, direction);
+            neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
+
+            patchp->updateEastEdge();
+            patchp->dirtyZ();
+        }
+
+        // Now do northeast/southwest connections
+        for (i = 0; i < (S32)mPatchesPerEdge - 1; i++)
+        {
+            patchp = getPatch(mPatchesPerEdge - 1, i);
+            neighbor_patchp = neighborp->getPatch(0, i+1);
+
+            patchp->connectNeighbor(neighbor_patchp, NORTHEAST);
+            neighbor_patchp->connectNeighbor(patchp, SOUTHWEST);
+        }
+        // Now do southeast/northwest connections
+        for (i = 1; i < (S32)mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(mPatchesPerEdge - 1, i);
+            neighbor_patchp = neighborp->getPatch(0, i-1);
+
+            patchp->connectNeighbor(neighbor_patchp, SOUTHEAST);
+            neighbor_patchp->connectNeighbor(patchp, NORTHWEST);
+        }
+    }
+    else if (NORTH == direction)
+    {
+        // Do north/south connections, first
+        for (i = 0; i < (S32)mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(i, mPatchesPerEdge - 1);
+            neighbor_patchp = neighborp->getPatch(i, 0);
+
+            patchp->connectNeighbor(neighbor_patchp, direction);
+            neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
+
+            patchp->updateNorthEdge();
+            patchp->dirtyZ();
+        }
+
+        // Do northeast/southwest connections
+        for (i = 0; i < (S32)mPatchesPerEdge - 1; i++)
+        {
+            patchp = getPatch(i, mPatchesPerEdge - 1);
+            neighbor_patchp = neighborp->getPatch(i+1, 0);
+
+            patchp->connectNeighbor(neighbor_patchp, NORTHEAST);
+            neighbor_patchp->connectNeighbor(patchp, SOUTHWEST);
+        }
+        // Do southeast/northwest connections
+        for (i = 1; i < (S32)mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(i, mPatchesPerEdge - 1);
+            neighbor_patchp = neighborp->getPatch(i-1, 0);
+
+            patchp->connectNeighbor(neighbor_patchp, NORTHWEST);
+            neighbor_patchp->connectNeighbor(patchp, SOUTHEAST);
+        }
+    }
+    else if (WEST == direction)
+    {
+        // Do east/west connections, first
+        for (i = 0; i < mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(0, i);
+            neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, i);
+
+            patchp->connectNeighbor(neighbor_patchp, direction);
+            neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
+
+            neighbor_patchp->updateEastEdge();
+            neighbor_patchp->dirtyZ();
+        }
+
+        // Now do northeast/southwest connections
+        for (i = 1; i < mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(0, i);
+            neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, i - 1);
+
+            patchp->connectNeighbor(neighbor_patchp, SOUTHWEST);
+            neighbor_patchp->connectNeighbor(patchp, NORTHEAST);
+        }
+
+        // Now do northwest/southeast connections
+        for (i = 0; i < mPatchesPerEdge - 1; i++)
+        {
+            patchp = getPatch(0, i);
+            neighbor_patchp = neighborp->getPatch(mPatchesPerEdge - 1, i + 1);
+
+            patchp->connectNeighbor(neighbor_patchp, NORTHWEST);
+            neighbor_patchp->connectNeighbor(patchp, SOUTHEAST);
+        }
+    }
+    else if (SOUTH == direction)
+    {
+        // Do north/south connections, first
+        for (i = 0; i < mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(i, 0);
+            neighbor_patchp = neighborp->getPatch(i, mPatchesPerEdge - 1);
+
+            patchp->connectNeighbor(neighbor_patchp, direction);
+            neighbor_patchp->connectNeighbor(patchp, gDirOpposite[direction]);
+
+            neighbor_patchp->updateNorthEdge();
+            neighbor_patchp->dirtyZ();
+        }
+
+        // Now do northeast/southwest connections
+        for (i = 1; i < mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(i, 0);
+            neighbor_patchp = neighborp->getPatch(i - 1, mPatchesPerEdge - 1);
+
+            patchp->connectNeighbor(neighbor_patchp, SOUTHWEST);
+            neighbor_patchp->connectNeighbor(patchp, NORTHEAST);
+        }
+        // Now do northeast/southwest connections
+        for (i = 0; i < mPatchesPerEdge - 1; i++)
+        {
+            patchp = getPatch(i, 0);
+            neighbor_patchp = neighborp->getPatch(i + 1, mPatchesPerEdge - 1);
+
+            patchp->connectNeighbor(neighbor_patchp, SOUTHEAST);
+            neighbor_patchp->connectNeighbor(patchp, NORTHWEST);
+        }
+    }
 }
 
 void LLSurface::disconnectNeighbor(LLSurface *surfacep)
 {
-	S32 i;
-	for (i = 0; i < 8; i++)
-	{
-		if (surfacep == mNeighbors[i])
-		{
-			mNeighbors[i] = NULL;
-		}
-	}
-
-	// Iterate through surface patches, removing any connectivity to removed surface.
-	for (i = 0; i < mNumberOfPatches; i++)
-	{
-		(mPatchList + i)->disconnectNeighbor(surfacep);
-	}
+    S32 i;
+    for (i = 0; i < 8; i++)
+    {
+        if (surfacep == mNeighbors[i])
+        {
+            mNeighbors[i] = NULL;
+        }
+    }
+
+    // Iterate through surface patches, removing any connectivity to removed surface.
+    for (i = 0; i < mNumberOfPatches; i++)
+    {
+        (mPatchList + i)->disconnectNeighbor(surfacep);
+    }
 }
 
 
 void LLSurface::disconnectAllNeighbors()
 {
-	S32 i;
-	for (i = 0; i < 8; i++)
-	{
-		if (mNeighbors[i])
-		{
-			mNeighbors[i]->disconnectNeighbor(this);
-			mNeighbors[i] = NULL;
-		}
-	}
+    S32 i;
+    for (i = 0; i < 8; i++)
+    {
+        if (mNeighbors[i])
+        {
+            mNeighbors[i]->disconnectNeighbor(this);
+            mNeighbors[i] = NULL;
+        }
+    }
 }
 
 
 
 const LLVector3d &LLSurface::getOriginGlobal() const
 {
-	return mOriginGlobal;
+    return mOriginGlobal;
 }
 
 LLVector3 LLSurface::getOriginAgent() const
 {
-	return gAgent.getPosAgentFromGlobal(mOriginGlobal);
+    return gAgent.getPosAgentFromGlobal(mOriginGlobal);
 }
 
 F32 LLSurface::getMetersPerGrid() const
 {
-	return mMetersPerGrid;
+    return mMetersPerGrid;
 }
 
 S32 LLSurface::getGridsPerEdge() const
 {
-	return mGridsPerEdge;
+    return mGridsPerEdge;
 }
 
 S32 LLSurface::getPatchesPerEdge() const
 {
-	return mPatchesPerEdge;
+    return mPatchesPerEdge;
 }
 
 S32 LLSurface::getGridsPerPatchEdge() const
 {
-	return mGridsPerPatchEdge;
+    return mGridsPerPatchEdge;
 }
 
 void LLSurface::moveZ(const S32 x, const S32 y, const F32 delta)
 {
-	llassert(x >= 0);
-	llassert(y >= 0);
-	llassert(x < mGridsPerEdge);
-	llassert(y < mGridsPerEdge);
-	mSurfaceZ[x + y*mGridsPerEdge] += delta;
+    llassert(x >= 0);
+    llassert(y >= 0);
+    llassert(x < mGridsPerEdge);
+    llassert(y < mGridsPerEdge);
+    mSurfaceZ[x + y*mGridsPerEdge] += delta;
 }
 
 
-void LLSurface::updatePatchVisibilities(LLAgent &agent) 
+void LLSurface::updatePatchVisibilities(LLAgent &agent)
 {
-	if (gShiftFrame)
-	{
-		return;
-	}
-
-	LLVector3 pos_region = mRegionp->getPosRegionFromGlobal(gAgentCamera.getCameraPositionGlobal());
-
-	LLSurfacePatch *patchp;
-	
-	mVisiblePatchCount = 0;
-	for (S32 i=0; i<mNumberOfPatches; i++) 
-	{
-		patchp = mPatchList + i;
-
-		patchp->updateVisibility();
-		if (patchp->getVisible())
-		{
-			mVisiblePatchCount++;
-			patchp->updateCameraDistanceRegion(pos_region);
-		}
-	}
+    if (gShiftFrame)
+    {
+        return;
+    }
+
+    LLVector3 pos_region = mRegionp->getPosRegionFromGlobal(gAgentCamera.getCameraPositionGlobal());
+
+    LLSurfacePatch *patchp;
+
+    mVisiblePatchCount = 0;
+    for (S32 i=0; i<mNumberOfPatches; i++)
+    {
+        patchp = mPatchList + i;
+
+        patchp->updateVisibility();
+        if (patchp->getVisible())
+        {
+            mVisiblePatchCount++;
+            patchp->updateCameraDistanceRegion(pos_region);
+        }
+    }
 }
 
 BOOL LLSurface::idleUpdate(F32 max_update_time)
 {
-	if (!gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_TERRAIN))
-	{
-		return FALSE;
-	}
-	
-	// Perform idle time update of non-critical stuff.
-	// In this case, texture and normal updates.
-	LLTimer update_timer;
-	BOOL did_update = FALSE;
-
-	// If the Z height data has changed, we need to rebuild our
-	// property line vertex arrays.
-	if (mDirtyPatchList.size() > 0)
-	{
-		getRegion()->dirtyHeights();
-	}
-
-	// Always call updateNormals() / updateVerticalStats()
-	//  every frame to avoid artifacts
-	for(std::set<LLSurfacePatch *>::iterator iter = mDirtyPatchList.begin();
-		iter != mDirtyPatchList.end(); )
-	{
-		std::set<LLSurfacePatch *>::iterator curiter = iter++;
-		LLSurfacePatch *patchp = *curiter;
-		patchp->updateNormals();
-		patchp->updateVerticalStats();
-		if (max_update_time == 0.f || update_timer.getElapsedTimeF32() < max_update_time)
-		{
-			if (patchp->updateTexture())
-			{
-				did_update = TRUE;
-				patchp->clearDirty();
-				mDirtyPatchList.erase(curiter);
-			}
-		}
-	}
+    if (!gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_TERRAIN))
+    {
+        return FALSE;
+    }
+
+    // Perform idle time update of non-critical stuff.
+    // In this case, texture and normal updates.
+    LLTimer update_timer;
+    BOOL did_update = FALSE;
+
+    // If the Z height data has changed, we need to rebuild our
+    // property line vertex arrays.
+    if (mDirtyPatchList.size() > 0)
+    {
+        getRegion()->dirtyHeights();
+    }
+
+    // Always call updateNormals() / updateVerticalStats()
+    //  every frame to avoid artifacts
+    for(std::set<LLSurfacePatch *>::iterator iter = mDirtyPatchList.begin();
+        iter != mDirtyPatchList.end(); )
+    {
+        std::set<LLSurfacePatch *>::iterator curiter = iter++;
+        LLSurfacePatch *patchp = *curiter;
+        patchp->updateNormals();
+        patchp->updateVerticalStats();
+        if (max_update_time == 0.f || update_timer.getElapsedTimeF32() < max_update_time)
+        {
+            if (patchp->updateTexture())
+            {
+                did_update = TRUE;
+                patchp->clearDirty();
+                mDirtyPatchList.erase(curiter);
+            }
+        }
+    }
 
     if (did_update)
     {
@@ -688,73 +688,73 @@ BOOL LLSurface::idleUpdate(F32 max_update_time)
         mRegionp->updateReflectionProbes();
     }
 
-	return did_update;
+    return did_update;
 }
 
-void LLSurface::decompressDCTPatch(LLBitPack &bitpack, LLGroupHeader *gopp, BOOL b_large_patch) 
+void LLSurface::decompressDCTPatch(LLBitPack &bitpack, LLGroupHeader *gopp, BOOL b_large_patch)
 {
 
-	LLPatchHeader  ph;
-	S32 j, i;
-	S32 patch[LARGE_PATCH_SIZE*LARGE_PATCH_SIZE];
-	LLSurfacePatch *patchp;
-
-	init_patch_decompressor(gopp->patch_size);
-	gopp->stride = mGridsPerEdge;
-	set_group_of_patch_header(gopp);
-
-	while (1)
-	{
-		decode_patch_header(bitpack, &ph);
-		if (ph.quant_wbits == END_OF_PATCHES)
-		{
-			break;
-		}
-
-		i = ph.patchids >> 5;
-		j = ph.patchids & 0x1F;
-
-		if ((i >= mPatchesPerEdge) || (j >= mPatchesPerEdge))
-		{
-			LL_WARNS() << "Received invalid terrain packet - patch header patch ID incorrect!" 
-				<< " patches per edge " << mPatchesPerEdge
-				<< " i " << i
-				<< " j " << j
-				<< " dc_offset " << ph.dc_offset
-				<< " range " << (S32)ph.range
-				<< " quant_wbits " << (S32)ph.quant_wbits
-				<< " patchids " << (S32)ph.patchids
-				<< LL_ENDL;
-			return;
-		}
-
-		patchp = &mPatchList[j*mPatchesPerEdge + i];
-
-
-		decode_patch(bitpack, patch);
-		decompress_patch(patchp->getDataZ(), patch, &ph);
-
-		// Update edges for neighbors.  Need to guarantee that this gets done before we generate vertical stats.
-		patchp->updateNorthEdge();
-		patchp->updateEastEdge();
-		if (patchp->getNeighborPatch(WEST))
-		{
-			patchp->getNeighborPatch(WEST)->updateEastEdge();
-		}
-		if (patchp->getNeighborPatch(SOUTHWEST))
-		{
-			patchp->getNeighborPatch(SOUTHWEST)->updateEastEdge();
-			patchp->getNeighborPatch(SOUTHWEST)->updateNorthEdge();
-		}
-		if (patchp->getNeighborPatch(SOUTH))
-		{
-			patchp->getNeighborPatch(SOUTH)->updateNorthEdge();
-		}
-
-		// Dirty patch statistics, and flag that the patch has data.
-		patchp->dirtyZ();
-		patchp->setHasReceivedData();
-	}
+    LLPatchHeader  ph;
+    S32 j, i;
+    S32 patch[LARGE_PATCH_SIZE*LARGE_PATCH_SIZE];
+    LLSurfacePatch *patchp;
+
+    init_patch_decompressor(gopp->patch_size);
+    gopp->stride = mGridsPerEdge;
+    set_group_of_patch_header(gopp);
+
+    while (1)
+    {
+        decode_patch_header(bitpack, &ph);
+        if (ph.quant_wbits == END_OF_PATCHES)
+        {
+            break;
+        }
+
+        i = ph.patchids >> 5;
+        j = ph.patchids & 0x1F;
+
+        if ((i >= mPatchesPerEdge) || (j >= mPatchesPerEdge))
+        {
+            LL_WARNS() << "Received invalid terrain packet - patch header patch ID incorrect!"
+                << " patches per edge " << mPatchesPerEdge
+                << " i " << i
+                << " j " << j
+                << " dc_offset " << ph.dc_offset
+                << " range " << (S32)ph.range
+                << " quant_wbits " << (S32)ph.quant_wbits
+                << " patchids " << (S32)ph.patchids
+                << LL_ENDL;
+            return;
+        }
+
+        patchp = &mPatchList[j*mPatchesPerEdge + i];
+
+
+        decode_patch(bitpack, patch);
+        decompress_patch(patchp->getDataZ(), patch, &ph);
+
+        // Update edges for neighbors.  Need to guarantee that this gets done before we generate vertical stats.
+        patchp->updateNorthEdge();
+        patchp->updateEastEdge();
+        if (patchp->getNeighborPatch(WEST))
+        {
+            patchp->getNeighborPatch(WEST)->updateEastEdge();
+        }
+        if (patchp->getNeighborPatch(SOUTHWEST))
+        {
+            patchp->getNeighborPatch(SOUTHWEST)->updateEastEdge();
+            patchp->getNeighborPatch(SOUTHWEST)->updateNorthEdge();
+        }
+        if (patchp->getNeighborPatch(SOUTH))
+        {
+            patchp->getNeighborPatch(SOUTH)->updateNorthEdge();
+        }
+
+        // Dirty patch statistics, and flag that the patch has data.
+        patchp->dirtyZ();
+        patchp->setHasReceivedData();
+    }
 }
 
 
@@ -762,157 +762,157 @@ void LLSurface::decompressDCTPatch(LLBitPack &bitpack, LLGroupHeader *gopp, BOOL
 // "position" is region-local
 BOOL LLSurface::containsPosition(const LLVector3 &position)
 {
-	if (position.mV[VX] < 0.0f  ||  position.mV[VX] > mMetersPerEdge ||
-		position.mV[VY] < 0.0f  ||  position.mV[VY] > mMetersPerEdge)
-	{
-		return FALSE;
-	}
-	return TRUE;
+    if (position.mV[VX] < 0.0f  ||  position.mV[VX] > mMetersPerEdge ||
+        position.mV[VY] < 0.0f  ||  position.mV[VY] > mMetersPerEdge)
+    {
+        return FALSE;
+    }
+    return TRUE;
 }
 
 
 F32 LLSurface::resolveHeightRegion(const F32 x, const F32 y) const
 {
-	F32 height = 0.0f;
-	F32 oometerspergrid = 1.f/mMetersPerGrid;
-
-	// Check to see if v is actually above surface 
-	// We use (mGridsPerEdge-1) below rather than (mGridsPerEdge) 
-	// becuase of the east and north buffers 
-
-	if (x >= 0.f  &&  
-		x <= mMetersPerEdge  &&
-		y >= 0.f  &&  
-		y <= mMetersPerEdge)
-	{
-		const S32 left   = llfloor(x * oometerspergrid);
-		const S32 bottom = llfloor(y * oometerspergrid);
-
-		// Don't walk off the edge of the array!
-		const S32 right  = ( left+1   < (S32)mGridsPerEdge-1 ? left+1   : left );
-		const S32 top    = ( bottom+1 < (S32)mGridsPerEdge-1 ? bottom+1 : bottom );
-
-		// Figure out if v is in first or second triangle of the square
-		// and calculate the slopes accordingly
-		//    |       |
-		// -(i,j+1)---(i+1,j+1)--   
-		//    |  1   /  |          ^
-		//    |    /  2 |          |
-		//    |  /      |          j
-		// --(i,j)----(i+1,j)--
-		//    |       |
-		// 
-		//      i ->
-		// where N = mGridsPerEdge
-
-		const F32 left_bottom  = getZ( left,  bottom );
-		const F32 right_bottom = getZ( right, bottom );
-		const F32 left_top     = getZ( left,  top );
-		const F32 right_top    = getZ( right, top );
-
-		// dx and dy are incremental steps from (mSurface + k)
-		F32 dx = x - left   * mMetersPerGrid;
-		F32 dy = y - bottom * mMetersPerGrid;
-
-		if (dy > dx) 
-		{
-			// triangle 1
-			dy *= left_top  - left_bottom;
-			dx *= right_top - left_top;
-		}
-		else 
-		{
-			// triangle 2
-			dx *= right_bottom - left_bottom;
-			dy *= right_top    - right_bottom;
-		}
-		height = left_bottom + (dx + dy) * oometerspergrid;
-	}
-	return height;
+    F32 height = 0.0f;
+    F32 oometerspergrid = 1.f/mMetersPerGrid;
+
+    // Check to see if v is actually above surface
+    // We use (mGridsPerEdge-1) below rather than (mGridsPerEdge)
+    // becuase of the east and north buffers
+
+    if (x >= 0.f  &&
+        x <= mMetersPerEdge  &&
+        y >= 0.f  &&
+        y <= mMetersPerEdge)
+    {
+        const S32 left   = llfloor(x * oometerspergrid);
+        const S32 bottom = llfloor(y * oometerspergrid);
+
+        // Don't walk off the edge of the array!
+        const S32 right  = ( left+1   < (S32)mGridsPerEdge-1 ? left+1   : left );
+        const S32 top    = ( bottom+1 < (S32)mGridsPerEdge-1 ? bottom+1 : bottom );
+
+        // Figure out if v is in first or second triangle of the square
+        // and calculate the slopes accordingly
+        //    |       |
+        // -(i,j+1)---(i+1,j+1)--
+        //    |  1   /  |          ^
+        //    |    /  2 |          |
+        //    |  /      |          j
+        // --(i,j)----(i+1,j)--
+        //    |       |
+        //
+        //      i ->
+        // where N = mGridsPerEdge
+
+        const F32 left_bottom  = getZ( left,  bottom );
+        const F32 right_bottom = getZ( right, bottom );
+        const F32 left_top     = getZ( left,  top );
+        const F32 right_top    = getZ( right, top );
+
+        // dx and dy are incremental steps from (mSurface + k)
+        F32 dx = x - left   * mMetersPerGrid;
+        F32 dy = y - bottom * mMetersPerGrid;
+
+        if (dy > dx)
+        {
+            // triangle 1
+            dy *= left_top  - left_bottom;
+            dx *= right_top - left_top;
+        }
+        else
+        {
+            // triangle 2
+            dx *= right_bottom - left_bottom;
+            dy *= right_top    - right_bottom;
+        }
+        height = left_bottom + (dx + dy) * oometerspergrid;
+    }
+    return height;
 }
 
 
 F32 LLSurface::resolveHeightGlobal(const LLVector3d& v) const
 {
-	if (!mRegionp)
-	{
-		return 0.f;
-	}
-	
-	LLVector3 pos_region = mRegionp->getPosRegionFromGlobal(v);
-
-	return resolveHeightRegion(pos_region);
+    if (!mRegionp)
+    {
+        return 0.f;
+    }
+
+    LLVector3 pos_region = mRegionp->getPosRegionFromGlobal(v);
+
+    return resolveHeightRegion(pos_region);
 }
 
 
 LLVector3 LLSurface::resolveNormalGlobal(const LLVector3d& pos_global) const
 {
-	if (!mSurfaceZ)
-	{
-		// Hmm.  Uninitialized surface!
-		return LLVector3::z_axis;
-	}
-	//
-	// Returns the vector normal to a surface at location specified by vector v
-	//
-	F32 oometerspergrid = 1.f/mMetersPerGrid;
-	LLVector3 normal;
-	F32 dzx, dzy;
-
-	if (pos_global.mdV[VX] >= mOriginGlobal.mdV[VX]  &&  
-		pos_global.mdV[VX] < mOriginGlobal.mdV[VX] + mMetersPerEdge  &&
-		pos_global.mdV[VY] >= mOriginGlobal.mdV[VY]  &&  
-		pos_global.mdV[VY] < mOriginGlobal.mdV[VY] + mMetersPerEdge)
-	{
-		U32 i, j, k;
-		F32 dx, dy;
-		i = (U32) ((pos_global.mdV[VX] - mOriginGlobal.mdV[VX]) * oometerspergrid);
-		j = (U32) ((pos_global.mdV[VY] - mOriginGlobal.mdV[VY]) * oometerspergrid );
-		k = i + j*mGridsPerEdge;
-
-		// Figure out if v is in first or second triangle of the square
-		// and calculate the slopes accordingly
-		//    |       |
-		// -(k+N)---(k+1+N)--   
-		//    |  1 /  |          ^
-		//    |   / 2 |          |
-		//    |  /    |          j
-		// --(k)----(k+1)--
-		//    |       |
-		// 
-		//      i ->
-		// where N = mGridsPerEdge
-
-		// dx and dy are incremental steps from (mSurface + k)
-		dx = (F32)(pos_global.mdV[VX] - i*mMetersPerGrid - mOriginGlobal.mdV[VX]);
-		dy = (F32)(pos_global.mdV[VY] - j*mMetersPerGrid - mOriginGlobal.mdV[VY]);
-		if (dy > dx) 
-		{  // triangle 1
-			dzx = *(mSurfaceZ + k + 1 + mGridsPerEdge) - *(mSurfaceZ + k + mGridsPerEdge);
-			dzy = *(mSurfaceZ + k) - *(mSurfaceZ + k + mGridsPerEdge);
-			normal.setVec(-dzx,dzy,1);
-		}
-		else 
-		{	// triangle 2
-			dzx = *(mSurfaceZ + k) - *(mSurfaceZ + k + 1);
-			dzy = *(mSurfaceZ + k + 1 + mGridsPerEdge) - *(mSurfaceZ + k + 1);
-			normal.setVec(dzx,-dzy,1);
-		}
-	}
-	normal.normVec();
-	return normal;
+    if (!mSurfaceZ)
+    {
+        // Hmm.  Uninitialized surface!
+        return LLVector3::z_axis;
+    }
+    //
+    // Returns the vector normal to a surface at location specified by vector v
+    //
+    F32 oometerspergrid = 1.f/mMetersPerGrid;
+    LLVector3 normal;
+    F32 dzx, dzy;
+
+    if (pos_global.mdV[VX] >= mOriginGlobal.mdV[VX]  &&
+        pos_global.mdV[VX] < mOriginGlobal.mdV[VX] + mMetersPerEdge  &&
+        pos_global.mdV[VY] >= mOriginGlobal.mdV[VY]  &&
+        pos_global.mdV[VY] < mOriginGlobal.mdV[VY] + mMetersPerEdge)
+    {
+        U32 i, j, k;
+        F32 dx, dy;
+        i = (U32) ((pos_global.mdV[VX] - mOriginGlobal.mdV[VX]) * oometerspergrid);
+        j = (U32) ((pos_global.mdV[VY] - mOriginGlobal.mdV[VY]) * oometerspergrid );
+        k = i + j*mGridsPerEdge;
+
+        // Figure out if v is in first or second triangle of the square
+        // and calculate the slopes accordingly
+        //    |       |
+        // -(k+N)---(k+1+N)--
+        //    |  1 /  |          ^
+        //    |   / 2 |          |
+        //    |  /    |          j
+        // --(k)----(k+1)--
+        //    |       |
+        //
+        //      i ->
+        // where N = mGridsPerEdge
+
+        // dx and dy are incremental steps from (mSurface + k)
+        dx = (F32)(pos_global.mdV[VX] - i*mMetersPerGrid - mOriginGlobal.mdV[VX]);
+        dy = (F32)(pos_global.mdV[VY] - j*mMetersPerGrid - mOriginGlobal.mdV[VY]);
+        if (dy > dx)
+        {  // triangle 1
+            dzx = *(mSurfaceZ + k + 1 + mGridsPerEdge) - *(mSurfaceZ + k + mGridsPerEdge);
+            dzy = *(mSurfaceZ + k) - *(mSurfaceZ + k + mGridsPerEdge);
+            normal.setVec(-dzx,dzy,1);
+        }
+        else
+        {   // triangle 2
+            dzx = *(mSurfaceZ + k) - *(mSurfaceZ + k + 1);
+            dzy = *(mSurfaceZ + k + 1 + mGridsPerEdge) - *(mSurfaceZ + k + 1);
+            normal.setVec(dzx,-dzy,1);
+        }
+    }
+    normal.normVec();
+    return normal;
 
 
 }
 
 LLSurfacePatch *LLSurface::resolvePatchRegion(const F32 x, const F32 y) const
 {
-// x and y should be region-local coordinates. 
+// x and y should be region-local coordinates.
 // If x and y are outside of the surface, then the returned
 // index will be for the nearest boundary patch.
 //
 // 12      | 13| 14|       15
-//         |   |   |    
+//         |   |   |
 //     +---+---+---+---+
 //     | 12| 13| 14| 15|
 // ----+---+---+---+---+-----
@@ -922,393 +922,393 @@ LLSurfacePatch *LLSurface::resolvePatchRegion(const F32 x, const F32 y) const
 // ----+---+---+---+---+-----
 //     | 0 | 1 | 2 | 3 |
 //     +---+---+---+---+
-//         |   |   |    
+//         |   |   |
 // 0       | 1 | 2 |        3
 //
 
 // When x and y are not region-local do the following first
 
-	S32 i, j;
-	if (x < 0.0f)
-	{
-		i = 0;
-	}
-	else if (x >= mMetersPerEdge)
-	{
-		i = mPatchesPerEdge - 1;
-	}
-	else
-	{
-		i = (U32) (x / (mMetersPerGrid * mGridsPerPatchEdge));
-	}
-
-	if (y < 0.0f)
-	{
-		j = 0;
-	}
-	else if (y >= mMetersPerEdge)
-	{
-		j = mPatchesPerEdge - 1;
-	}
-	else
-	{
-		j = (U32) (y / (mMetersPerGrid * mGridsPerPatchEdge));
-	}
-
-	// *NOTE: Super paranoia code follows.
-	S32 index = i + j * mPatchesPerEdge;
-	if((index < 0) || (index >= mNumberOfPatches))
-	{
-		if(0 == mNumberOfPatches)
-		{
-			LL_WARNS() << "No patches for current region!" << LL_ENDL;
-			return NULL;
-		}
-		S32 old_index = index;
-		index = llclamp(old_index, 0, (mNumberOfPatches - 1));
-		LL_WARNS() << "Clamping out of range patch index " << old_index
-				<< " to " << index << LL_ENDL;
-	}
-	return &(mPatchList[index]);
+    S32 i, j;
+    if (x < 0.0f)
+    {
+        i = 0;
+    }
+    else if (x >= mMetersPerEdge)
+    {
+        i = mPatchesPerEdge - 1;
+    }
+    else
+    {
+        i = (U32) (x / (mMetersPerGrid * mGridsPerPatchEdge));
+    }
+
+    if (y < 0.0f)
+    {
+        j = 0;
+    }
+    else if (y >= mMetersPerEdge)
+    {
+        j = mPatchesPerEdge - 1;
+    }
+    else
+    {
+        j = (U32) (y / (mMetersPerGrid * mGridsPerPatchEdge));
+    }
+
+    // *NOTE: Super paranoia code follows.
+    S32 index = i + j * mPatchesPerEdge;
+    if((index < 0) || (index >= mNumberOfPatches))
+    {
+        if(0 == mNumberOfPatches)
+        {
+            LL_WARNS() << "No patches for current region!" << LL_ENDL;
+            return NULL;
+        }
+        S32 old_index = index;
+        index = llclamp(old_index, 0, (mNumberOfPatches - 1));
+        LL_WARNS() << "Clamping out of range patch index " << old_index
+                << " to " << index << LL_ENDL;
+    }
+    return &(mPatchList[index]);
 }
 
 
 LLSurfacePatch *LLSurface::resolvePatchRegion(const LLVector3 &pos_region) const
 {
-	return resolvePatchRegion(pos_region.mV[VX], pos_region.mV[VY]);
+    return resolvePatchRegion(pos_region.mV[VX], pos_region.mV[VY]);
 }
 
 
 LLSurfacePatch *LLSurface::resolvePatchGlobal(const LLVector3d &pos_global) const
 {
-	llassert(mRegionp);
-	LLVector3 pos_region = mRegionp->getPosRegionFromGlobal(pos_global);
-	return resolvePatchRegion(pos_region);
+    llassert(mRegionp);
+    LLVector3 pos_region = mRegionp->getPosRegionFromGlobal(pos_global);
+    return resolvePatchRegion(pos_region);
 }
 
 
-std::ostream& operator<<(std::ostream &s, const LLSurface &S) 
+std::ostream& operator<<(std::ostream &s, const LLSurface &S)
 {
-	s << "{ \n";
-	s << "  mGridsPerEdge = " << S.mGridsPerEdge - 1 << " + 1\n";
-	s << "  mGridsPerPatchEdge = " << S.mGridsPerPatchEdge << "\n";
-	s << "  mPatchesPerEdge = " << S.mPatchesPerEdge << "\n";
-	s << "  mOriginGlobal = " << S.mOriginGlobal << "\n";
-	s << "  mMetersPerGrid = " << S.mMetersPerGrid << "\n";
-	s << "  mVisiblePatchCount = " << S.mVisiblePatchCount << "\n";
-	s << "}";
-	return s;
+    s << "{ \n";
+    s << "  mGridsPerEdge = " << S.mGridsPerEdge - 1 << " + 1\n";
+    s << "  mGridsPerPatchEdge = " << S.mGridsPerPatchEdge << "\n";
+    s << "  mPatchesPerEdge = " << S.mPatchesPerEdge << "\n";
+    s << "  mOriginGlobal = " << S.mOriginGlobal << "\n";
+    s << "  mMetersPerGrid = " << S.mMetersPerGrid << "\n";
+    s << "  mVisiblePatchCount = " << S.mVisiblePatchCount << "\n";
+    s << "}";
+    return s;
 }
 
 
 // ---------------- LLSurface:: Protected ----------------
 
-void LLSurface::createPatchData() 
+void LLSurface::createPatchData()
 {
-	// Assumes mGridsPerEdge, mGridsPerPatchEdge, and mPatchesPerEdge have been properly set
-	// TODO -- check for create() called when surface is not empty
-	S32 i, j;
-	LLSurfacePatch *patchp;
-
-	// Allocate memory
-	mPatchList = new LLSurfacePatch[mNumberOfPatches];
-
-	// One of each for each camera
-	mVisiblePatchCount = mNumberOfPatches;
-
-	for (j=0; j<mPatchesPerEdge; j++) 
-	{
-		for (i=0; i<mPatchesPerEdge; i++) 
-		{
-			patchp = getPatch(i, j);
-			patchp->setSurface(this);
-		}
-	}
-
-	for (j=0; j<mPatchesPerEdge; j++) 
-	{
-		for (i=0; i<mPatchesPerEdge; i++) 
-		{
-			patchp = getPatch(i, j);
-			patchp->mHasReceivedData = FALSE;
-			patchp->mSTexUpdate = TRUE;
-
-			S32 data_offset = i * mGridsPerPatchEdge + j * mGridsPerPatchEdge * mGridsPerEdge;
-
-			patchp->setDataZ(mSurfaceZ + data_offset);
-			patchp->setDataNorm(mNorm + data_offset);
-
-
-			// We make each patch point to its neighbors so we can do resolution checking 
-			// when butting up different resolutions.  Patches that don't have neighbors
-			// somewhere will point to NULL on that side.
-			if (i < mPatchesPerEdge-1)  
-			{
-				patchp->setNeighborPatch(EAST,getPatch(i+1, j));
-			}
-			else 
-			{
-				patchp->setNeighborPatch(EAST, NULL);
-			}
-
-			if (j < mPatchesPerEdge-1)  
-			{
-				patchp->setNeighborPatch(NORTH, getPatch(i, j+1));
-			}
-			else 
-			{
-				patchp->setNeighborPatch(NORTH, NULL);
-			}
-
-			if (i > 0) 
-			{
-				patchp->setNeighborPatch(WEST, getPatch(i - 1, j));
-			}
-			else 
-			{
-				patchp->setNeighborPatch(WEST, NULL);
-			}
-
-			if (j > 0)  
-			{
-				patchp->setNeighborPatch(SOUTH, getPatch(i, j-1));
-			}
-			else 
-			{
-				patchp->setNeighborPatch(SOUTH, NULL);
-			}
-
-			if (i < (mPatchesPerEdge-1)  &&  j < (mPatchesPerEdge-1)) 
-			{
-				patchp->setNeighborPatch(NORTHEAST, getPatch(i + 1, j + 1));
-			}
-			else 
-			{
-				patchp->setNeighborPatch(NORTHEAST, NULL);		
-			}
-
-			if (i > 0  &&  j < (mPatchesPerEdge-1)) 
-			{
-				patchp->setNeighborPatch(NORTHWEST, getPatch(i - 1, j + 1));
-			}
-			else 
-			{
-				patchp->setNeighborPatch(NORTHWEST, NULL);
-			}
-
-			if (i > 0  &&  j > 0) 
-			{
-				patchp->setNeighborPatch(SOUTHWEST, getPatch(i - 1, j - 1));
-			}
-			else 
-			{
-				patchp->setNeighborPatch(SOUTHWEST, NULL);
-			}
-
-			if (i < (mPatchesPerEdge-1)  &&  j > 0) 
-			{
-				patchp->setNeighborPatch(SOUTHEAST, getPatch(i + 1, j - 1));
-			}
-			else 
-			{
-				patchp->setNeighborPatch(SOUTHEAST, NULL);
-			}
-
-			LLVector3d origin_global;
-			origin_global.mdV[0] = mOriginGlobal.mdV[0] + i * mMetersPerGrid * mGridsPerPatchEdge;
-			origin_global.mdV[1] = mOriginGlobal.mdV[0] + j * mMetersPerGrid * mGridsPerPatchEdge;
-			origin_global.mdV[2] = 0.f;
-			patchp->setOriginGlobal(origin_global);
-		}
-	}
+    // Assumes mGridsPerEdge, mGridsPerPatchEdge, and mPatchesPerEdge have been properly set
+    // TODO -- check for create() called when surface is not empty
+    S32 i, j;
+    LLSurfacePatch *patchp;
+
+    // Allocate memory
+    mPatchList = new LLSurfacePatch[mNumberOfPatches];
+
+    // One of each for each camera
+    mVisiblePatchCount = mNumberOfPatches;
+
+    for (j=0; j<mPatchesPerEdge; j++)
+    {
+        for (i=0; i<mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(i, j);
+            patchp->setSurface(this);
+        }
+    }
+
+    for (j=0; j<mPatchesPerEdge; j++)
+    {
+        for (i=0; i<mPatchesPerEdge; i++)
+        {
+            patchp = getPatch(i, j);
+            patchp->mHasReceivedData = FALSE;
+            patchp->mSTexUpdate = TRUE;
+
+            S32 data_offset = i * mGridsPerPatchEdge + j * mGridsPerPatchEdge * mGridsPerEdge;
+
+            patchp->setDataZ(mSurfaceZ + data_offset);
+            patchp->setDataNorm(mNorm + data_offset);
+
+
+            // We make each patch point to its neighbors so we can do resolution checking
+            // when butting up different resolutions.  Patches that don't have neighbors
+            // somewhere will point to NULL on that side.
+            if (i < mPatchesPerEdge-1)
+            {
+                patchp->setNeighborPatch(EAST,getPatch(i+1, j));
+            }
+            else
+            {
+                patchp->setNeighborPatch(EAST, NULL);
+            }
+
+            if (j < mPatchesPerEdge-1)
+            {
+                patchp->setNeighborPatch(NORTH, getPatch(i, j+1));
+            }
+            else
+            {
+                patchp->setNeighborPatch(NORTH, NULL);
+            }
+
+            if (i > 0)
+            {
+                patchp->setNeighborPatch(WEST, getPatch(i - 1, j));
+            }
+            else
+            {
+                patchp->setNeighborPatch(WEST, NULL);
+            }
+
+            if (j > 0)
+            {
+                patchp->setNeighborPatch(SOUTH, getPatch(i, j-1));
+            }
+            else
+            {
+                patchp->setNeighborPatch(SOUTH, NULL);
+            }
+
+            if (i < (mPatchesPerEdge-1)  &&  j < (mPatchesPerEdge-1))
+            {
+                patchp->setNeighborPatch(NORTHEAST, getPatch(i + 1, j + 1));
+            }
+            else
+            {
+                patchp->setNeighborPatch(NORTHEAST, NULL);
+            }
+
+            if (i > 0  &&  j < (mPatchesPerEdge-1))
+            {
+                patchp->setNeighborPatch(NORTHWEST, getPatch(i - 1, j + 1));
+            }
+            else
+            {
+                patchp->setNeighborPatch(NORTHWEST, NULL);
+            }
+
+            if (i > 0  &&  j > 0)
+            {
+                patchp->setNeighborPatch(SOUTHWEST, getPatch(i - 1, j - 1));
+            }
+            else
+            {
+                patchp->setNeighborPatch(SOUTHWEST, NULL);
+            }
+
+            if (i < (mPatchesPerEdge-1)  &&  j > 0)
+            {
+                patchp->setNeighborPatch(SOUTHEAST, getPatch(i + 1, j - 1));
+            }
+            else
+            {
+                patchp->setNeighborPatch(SOUTHEAST, NULL);
+            }
+
+            LLVector3d origin_global;
+            origin_global.mdV[0] = mOriginGlobal.mdV[0] + i * mMetersPerGrid * mGridsPerPatchEdge;
+            origin_global.mdV[1] = mOriginGlobal.mdV[0] + j * mMetersPerGrid * mGridsPerPatchEdge;
+            origin_global.mdV[2] = 0.f;
+            patchp->setOriginGlobal(origin_global);
+        }
+    }
 }
 
 
 void LLSurface::destroyPatchData()
 {
-	// Delete all of the cached patch data for these patches.
+    // Delete all of the cached patch data for these patches.
 
-	delete [] mPatchList;
-	mPatchList = NULL;
-	mVisiblePatchCount = 0;
+    delete [] mPatchList;
+    mPatchList = NULL;
+    mVisiblePatchCount = 0;
 }
 
 
 void LLSurface::setTextureSize(const S32 texture_size)
 {
-	sTextureSize = texture_size;
+    sTextureSize = texture_size;
 }
 
 
 U32 LLSurface::getRenderLevel(const U32 render_stride) const
 {
-	return mPVArray.mRenderLevelp[render_stride];
+    return mPVArray.mRenderLevelp[render_stride];
 }
 
 
 U32 LLSurface::getRenderStride(const U32 render_level) const
 {
-	return mPVArray.mRenderStridep[render_level];
+    return mPVArray.mRenderStridep[render_level];
 }
 
 
 LLSurfacePatch *LLSurface::getPatch(const S32 x, const S32 y) const
 {
-	if ((x < 0) || (x >= mPatchesPerEdge))
-	{
-		LL_ERRS() << "Asking for patch out of bounds" << LL_ENDL;
-		return NULL;
-	}
-	if ((y < 0) || (y >= mPatchesPerEdge))
-	{
-		LL_ERRS() << "Asking for patch out of bounds" << LL_ENDL;
-		return NULL;
-	}
-
-	return mPatchList + x + y*mPatchesPerEdge;
+    if ((x < 0) || (x >= mPatchesPerEdge))
+    {
+        LL_ERRS() << "Asking for patch out of bounds" << LL_ENDL;
+        return NULL;
+    }
+    if ((y < 0) || (y >= mPatchesPerEdge))
+    {
+        LL_ERRS() << "Asking for patch out of bounds" << LL_ENDL;
+        return NULL;
+    }
+
+    return mPatchList + x + y*mPatchesPerEdge;
 }
 
 
 void LLSurface::dirtyAllPatches()
 {
-	S32 i;
-	for (i = 0; i < mNumberOfPatches; i++)
-	{
-		mPatchList[i].dirtyZ();
-	}
+    S32 i;
+    for (i = 0; i < mNumberOfPatches; i++)
+    {
+        mPatchList[i].dirtyZ();
+    }
 }
 
 void LLSurface::dirtySurfacePatch(LLSurfacePatch *patchp)
 {
-	// Put surface patch on dirty surface patch list
-	mDirtyPatchList.insert(patchp);
+    // Put surface patch on dirty surface patch list
+    mDirtyPatchList.insert(patchp);
 }
 
 
 void LLSurface::setWaterHeight(F32 height)
 {
-	if (!mWaterObjp.isNull())
-	{
-		LLVector3 water_pos_region = mWaterObjp->getPositionRegion();
-		bool changed = water_pos_region.mV[VZ] != height;
-		water_pos_region.mV[VZ] = height;
-		mWaterObjp->setPositionRegion(water_pos_region);
-		if (changed)
-		{
-			LLWorld::getInstance()->updateWaterObjects();
-		}
-	}
-	else
-	{
-		LL_WARNS() << "LLSurface::setWaterHeight with no water object!" << LL_ENDL;
-	}
+    if (!mWaterObjp.isNull())
+    {
+        LLVector3 water_pos_region = mWaterObjp->getPositionRegion();
+        bool changed = water_pos_region.mV[VZ] != height;
+        water_pos_region.mV[VZ] = height;
+        mWaterObjp->setPositionRegion(water_pos_region);
+        if (changed)
+        {
+            LLWorld::getInstance()->updateWaterObjects();
+        }
+    }
+    else
+    {
+        LL_WARNS() << "LLSurface::setWaterHeight with no water object!" << LL_ENDL;
+    }
 }
 
 F32 LLSurface::getWaterHeight() const
 {
-	if (!mWaterObjp.isNull())
-	{
-		// we have a water object, the usual case
-		return mWaterObjp->getPositionRegion().mV[VZ];
-	}
-	else
-	{
-		return DEFAULT_WATER_HEIGHT;
-	}
+    if (!mWaterObjp.isNull())
+    {
+        // we have a water object, the usual case
+        return mWaterObjp->getPositionRegion().mV[VZ];
+    }
+    else
+    {
+        return DEFAULT_WATER_HEIGHT;
+    }
 }
 
 
 BOOL LLSurface::generateWaterTexture(const F32 x, const F32 y,
-									 const F32 width, const F32 height)
+                                     const F32 width, const F32 height)
 {
-	LL_PROFILE_ZONE_SCOPED
-	if (!getWaterTexture())
-	{
-		return FALSE;
-	}
-
-	S32 tex_width = mWaterTexturep->getWidth();
-	S32 tex_height = mWaterTexturep->getHeight();
-	S32 tex_comps = mWaterTexturep->getComponents();
-	S32 tex_stride = tex_width * tex_comps;
-	LLPointer<LLImageRaw> raw = new LLImageRaw(tex_width, tex_height, tex_comps);
-	U8 *rawp = raw->getData();
-
-	F32 scale = 256.f * getMetersPerGrid() / (F32)tex_width;
-	F32 scale_inv = 1.f / scale;
-
-	S32 x_begin, y_begin, x_end, y_end;
-
-	x_begin = ll_round(x * scale_inv);
-	y_begin = ll_round(y * scale_inv);
-	x_end = ll_round((x + width) * scale_inv);
-	y_end = ll_round((y + width) * scale_inv);
-
-	if (x_end > tex_width)
-	{
-		x_end = tex_width;
-	}
-	if (y_end > tex_width)
-	{
-		y_end = tex_width;
-	}
-
-	// OK, for now, just have the composition value equal the height at the point.
-	LLVector3 location;
-	LLColor4U coloru;
-
-	const F32 WATER_HEIGHT = getWaterHeight();
-
-	S32 i, j, offset;
-	for (j = y_begin; j < y_end; j++)
-	{
-		for (i = x_begin; i < x_end; i++)
-		{
-			//F32 nv[2];
-			//nv[0] = i/256.f;
-			//nv[1] = j/256.f;
-			// const S32 modulation = noise2(nv)*40;
-			offset = j*tex_stride + i*tex_comps;
-			location.mV[VX] = i*scale;
-			location.mV[VY] = j*scale;
-
-			// Sample multiple points
-			const F32 height = resolveHeightRegion(location);
-
-			if (height > WATER_HEIGHT)
-			{
-				// Above water...
-				coloru = MAX_WATER_COLOR;
-				coloru.mV[3] = ABOVE_WATERLINE_ALPHA;
-				*(rawp + offset++) = coloru.mV[0];
-				*(rawp + offset++) = coloru.mV[1];
-				*(rawp + offset++) = coloru.mV[2];
-				*(rawp + offset++) = coloru.mV[3];
-			}
-			else
-			{
-				// Want non-linear curve for transparency gradient
-				coloru = MAX_WATER_COLOR;
-				const F32 frac = 1.f - 2.f/(2.f - (height - WATER_HEIGHT));
-				S32 alpha = 64 + ll_round((255-64)*frac);
-
-				alpha = llmin(ll_round((F32)MAX_WATER_COLOR.mV[3]), alpha);
-				alpha = llmax(64, alpha);
-
-				coloru.mV[3] = alpha;
-				*(rawp + offset++) = coloru.mV[0];
-				*(rawp + offset++) = coloru.mV[1];
-				*(rawp + offset++) = coloru.mV[2];
-				*(rawp + offset++) = coloru.mV[3];
-			}
-		}
-	}
-
-	if (!mWaterTexturep->hasGLTexture())
-	{
-		mWaterTexturep->createGLTexture(0, raw);
-	}
-
-	mWaterTexturep->setSubImage(raw, x_begin, y_begin, x_end - x_begin, y_end - y_begin);
-	return TRUE;
+    LL_PROFILE_ZONE_SCOPED
+    if (!getWaterTexture())
+    {
+        return FALSE;
+    }
+
+    S32 tex_width = mWaterTexturep->getWidth();
+    S32 tex_height = mWaterTexturep->getHeight();
+    S32 tex_comps = mWaterTexturep->getComponents();
+    S32 tex_stride = tex_width * tex_comps;
+    LLPointer<LLImageRaw> raw = new LLImageRaw(tex_width, tex_height, tex_comps);
+    U8 *rawp = raw->getData();
+
+    F32 scale = 256.f * getMetersPerGrid() / (F32)tex_width;
+    F32 scale_inv = 1.f / scale;
+
+    S32 x_begin, y_begin, x_end, y_end;
+
+    x_begin = ll_round(x * scale_inv);
+    y_begin = ll_round(y * scale_inv);
+    x_end = ll_round((x + width) * scale_inv);
+    y_end = ll_round((y + width) * scale_inv);
+
+    if (x_end > tex_width)
+    {
+        x_end = tex_width;
+    }
+    if (y_end > tex_width)
+    {
+        y_end = tex_width;
+    }
+
+    // OK, for now, just have the composition value equal the height at the point.
+    LLVector3 location;
+    LLColor4U coloru;
+
+    const F32 WATER_HEIGHT = getWaterHeight();
+
+    S32 i, j, offset;
+    for (j = y_begin; j < y_end; j++)
+    {
+        for (i = x_begin; i < x_end; i++)
+        {
+            //F32 nv[2];
+            //nv[0] = i/256.f;
+            //nv[1] = j/256.f;
+            // const S32 modulation = noise2(nv)*40;
+            offset = j*tex_stride + i*tex_comps;
+            location.mV[VX] = i*scale;
+            location.mV[VY] = j*scale;
+
+            // Sample multiple points
+            const F32 height = resolveHeightRegion(location);
+
+            if (height > WATER_HEIGHT)
+            {
+                // Above water...
+                coloru = MAX_WATER_COLOR;
+                coloru.mV[3] = ABOVE_WATERLINE_ALPHA;
+                *(rawp + offset++) = coloru.mV[0];
+                *(rawp + offset++) = coloru.mV[1];
+                *(rawp + offset++) = coloru.mV[2];
+                *(rawp + offset++) = coloru.mV[3];
+            }
+            else
+            {
+                // Want non-linear curve for transparency gradient
+                coloru = MAX_WATER_COLOR;
+                const F32 frac = 1.f - 2.f/(2.f - (height - WATER_HEIGHT));
+                S32 alpha = 64 + ll_round((255-64)*frac);
+
+                alpha = llmin(ll_round((F32)MAX_WATER_COLOR.mV[3]), alpha);
+                alpha = llmax(64, alpha);
+
+                coloru.mV[3] = alpha;
+                *(rawp + offset++) = coloru.mV[0];
+                *(rawp + offset++) = coloru.mV[1];
+                *(rawp + offset++) = coloru.mV[2];
+                *(rawp + offset++) = coloru.mV[3];
+            }
+        }
+    }
+
+    if (!mWaterTexturep->hasGLTexture())
+    {
+        mWaterTexturep->createGLTexture(0, raw);
+    }
+
+    mWaterTexturep->setSubImage(raw, x_begin, y_begin, x_end - x_begin, y_end - y_begin);
+    return TRUE;
 }