storm-64: Local Textures

1 files changed, 925 insertions, 0 deletions

diff --git a/indra/newview/lllocalbitmaps.cpp b/indra/newview/lllocalbitmaps.cpp
new file mode 100644
index 0000000000..b96fc06226
--- /dev/null
+++ b/indra/newview/lllocalbitmaps.cpp
@@ -0,0 +1,925 @@
+/** 
+ * @file lllocalbitmaps.cpp
+ * @author Vaalith Jinn
+ * @brief Local Bitmaps source
+ *
+ * $LicenseInfo:firstyear=2011&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2011, 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
+ * $/LicenseInfo$
+ */
+
+/* precompiled headers */
+#include "llviewerprecompiledheaders.h"
+
+/* own header */
+#include "lllocalbitmaps.h"
+
+/* boost: will not compile unless equivalent is undef'd, beware. */
+#ifdef equivalent
+#undef equivalent
+#endif 
+#include <boost/filesystem.hpp>
+
+/* image compression headers. */
+#include "llimagebmp.h"
+#include "llimagetga.h"
+#include "llimagejpeg.h"
+#include "llimagepng.h"
+
+/* time headers */
+#include <time.h>
+#include <ctime>
+
+/* misc headers */
+#include "llscrolllistctrl.h"
+#include "llfilepicker.h"
+#include "llviewertexturelist.h"
+#include "llviewerobjectlist.h"
+#include "llviewerobject.h"
+#include "llface.h"
+#include "llvoavatarself.h"
+#include "llwearable.h"
+#include "llagentwearables.h"
+#include "lltexlayerparams.h"
+#include "llvovolume.h"
+
+/*=======================================*/
+/*  Formal declarations, constants, etc. */
+/*=======================================*/ 
+std::list<LLLocalBitmap*>   LLLocalBitmapMgr::sBitmapList;
+LLLocalBitmapTimer          LLLocalBitmapMgr::sTimer;
+bool                        LLLocalBitmapMgr::sNeedsRebake;
+
+static const F32 LL_LOCAL_TIMER_HEARTBEAT   = 3.0;
+static const BOOL LL_LOCAL_USE_MIPMAPS      = true;
+static const S32 LL_LOCAL_DISCARD_LEVEL     = 0;
+static const U32 LL_LOCAL_TEXLAYER_FOR_IDX  = 0;
+static const bool LL_LOCAL_SLAM_FOR_DEBUG   = true;
+static const bool LL_LOCAL_REPLACE_ON_DEL   = true;
+static const S32 LL_LOCAL_UPDATE_RETRIES    = 5;
+
+/*=======================================*/
+/*  LLLocalBitmap: unit class            */
+/*=======================================*/ 
+LLLocalBitmap::LLLocalBitmap(std::string filename)
+	: mFilename(filename)
+	, mShortName(gDirUtilp->getBaseFileName(filename, true))
+	, mValid(false)
+	, mLastModified()
+	, mLinkStatus(LS_ON)
+	, mUpdateRetries(LL_LOCAL_UPDATE_RETRIES)
+{
+	mTrackingID.generate();
+
+	/* extension */
+	std::string temp_exten = gDirUtilp->getExtension(mFilename);
+
+	if (temp_exten == "bmp")
+	{ 
+		mExtension = ET_IMG_BMP;
+	}
+	else if (temp_exten == "tga")
+	{
+		mExtension = ET_IMG_TGA;
+	}
+	else if (temp_exten == "jpg" || temp_exten == "jpeg")
+	{
+		mExtension = ET_IMG_JPG;
+	}
+	else if (temp_exten == "png")
+	{
+		mExtension = ET_IMG_PNG;
+	}
+	else
+	{
+		llwarns << "File of no valid extension given, local bitmap creation aborted." << "\n"
+			    << "Filename: " << mFilename << llendl;
+		return; // no valid extension.
+	}
+
+	/* next phase of unit creation is nearly the same as an update cycle.
+	   true means the unit's update is running for the first time so it will not check 
+	   for current usage nor will it attempt to replace the old, non existent image */
+	mValid = updateSelf(true);
+}
+
+LLLocalBitmap::~LLLocalBitmap()
+{
+	// replace IDs with defaults, if set to do so.
+	if(LL_LOCAL_REPLACE_ON_DEL)
+	{
+		replaceIDs(mWorldID, IMG_DEFAULT);
+		LLLocalBitmapMgr::doRebake();
+	}
+
+	// delete self from gimagelist
+	LLViewerFetchedTexture* image = gTextureList.findImage(mWorldID);
+	gTextureList.deleteImage(image);
+
+	if (image)
+	{
+		image->unref();
+	}
+}
+
+/* accessors */
+std::string LLLocalBitmap::getFilename()
+{
+	return mFilename;
+}
+
+std::string LLLocalBitmap::getShortName()
+{
+	return mShortName;
+}
+
+LLUUID LLLocalBitmap::getTrackingID()
+{
+	return mTrackingID;
+}
+
+LLUUID LLLocalBitmap::getWorldID()
+{
+	return mWorldID;
+}
+
+bool LLLocalBitmap::getValid()
+{
+	return mValid;
+}
+
+/* update functions */
+bool LLLocalBitmap::updateSelf(bool first_update)
+{
+	bool updated = false;
+	
+	if (mLinkStatus == LS_ON)
+	{
+		// verifying that the file exists
+		if (gDirUtilp->fileExists(mFilename))
+		{
+			// verifying that the file has indeed been modified
+			const std::time_t temp_time = boost::filesystem::last_write_time(boost::filesystem::path(mFilename));
+			LLSD new_last_modified = asctime(localtime(&temp_time));
+
+			if (mLastModified.asString() != new_last_modified.asString())
+			{
+				/* loading the image file and decoding it, here is a critical point which,
+				   if fails, invalidates the whole update (or unit creation) process. */
+				LLPointer<LLImageRaw> raw_image = new LLImageRaw();
+				if (decodeBitmap(raw_image))
+				{
+					// decode is successful, we can safely proceed.
+					LLUUID old_id = LLUUID::null;
+					if (!first_update && !mWorldID.isNull())
+					{
+						old_id = mWorldID;
+					}
+					mWorldID.generate();
+					mLastModified = new_last_modified;
+
+					LLPointer<LLViewerFetchedTexture> texture = new LLViewerFetchedTexture
+						("file://"+mFilename, mWorldID, LL_LOCAL_USE_MIPMAPS);
+
+					texture->createGLTexture(LL_LOCAL_DISCARD_LEVEL, raw_image);
+					texture->setCachedRawImage(LL_LOCAL_DISCARD_LEVEL, raw_image);
+					texture->ref(); 
+
+					gTextureList.addImage(texture);
+			
+					if (!first_update)
+					{
+						// seek out everything old_id uses and replace it with mWorldID
+						replaceIDs(old_id, mWorldID);
+
+						// remove old_id from gimagelist
+						LLViewerFetchedTexture* image = gTextureList.findImage(old_id);
+						gTextureList.deleteImage(image);
+						image->unref();
+					}
+
+					mUpdateRetries = LL_LOCAL_UPDATE_RETRIES;
+					updated = true;
+				}
+
+				// if decoding failed, we get here and it will attempt to decode it in the next cycles
+				// until mUpdateRetries runs out. this is done because some software lock the bitmap while writing to it
+				else
+				{
+					if (mUpdateRetries)
+					{
+						mUpdateRetries--;
+					}
+					else
+					{
+						llwarns << "During the update process the following file was found" << "\n"
+							    << "but could not be opened or decoded for " << LL_LOCAL_UPDATE_RETRIES << " attempts." << "\n"
+								<< "Filename: " << mFilename << "\n"
+								<< "Disabling further update attempts for this file." << llendl;
+
+						mLinkStatus = LS_BROKEN;
+					}
+				}		
+			}
+			
+		} // end if file exists
+
+		else
+		{
+			llwarns << "During the update process, the following file was not found." << "\n" 
+			        << "Filename: " << mFilename << "\n"
+				    << "Disabling further update attempts for this file." << llendl;
+
+			mLinkStatus = LS_BROKEN;
+		}
+	}
+
+	return updated;
+}
+
+bool LLLocalBitmap::decodeBitmap(LLPointer<LLImageRaw> rawimg)
+{
+	bool decode_successful = false;
+
+	switch (mExtension)
+	{
+		case ET_IMG_BMP:
+		{
+			LLPointer<LLImageBMP> bmp_image = new LLImageBMP;
+			if (bmp_image->load(mFilename) && bmp_image->decode(rawimg, 0.0f))
+			{
+				rawimg->biasedScaleToPowerOfTwo(LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
+				decode_successful = true;
+			}
+			break;
+		}
+
+		case ET_IMG_TGA:
+		{
+			LLPointer<LLImageTGA> tga_image = new LLImageTGA;
+			if ((tga_image->load(mFilename) && tga_image->decode(rawimg))
+			&& ((tga_image->getComponents() == 3) || (tga_image->getComponents() == 4)))
+			{
+				rawimg->biasedScaleToPowerOfTwo(LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
+				decode_successful = true;
+			}
+			break;
+		}
+
+		case ET_IMG_JPG:
+		{
+			LLPointer<LLImageJPEG> jpeg_image = new LLImageJPEG;
+			if (jpeg_image->load(mFilename) && jpeg_image->decode(rawimg, 0.0f))
+			{
+				rawimg->biasedScaleToPowerOfTwo(LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
+				decode_successful = true;
+			}
+			break;
+		}
+
+		case ET_IMG_PNG:
+		{
+			LLPointer<LLImagePNG> png_image = new LLImagePNG;
+			if (png_image->load(mFilename) && png_image->decode(rawimg, 0.0f))
+			{
+				rawimg->biasedScaleToPowerOfTwo(LLViewerFetchedTexture::MAX_IMAGE_SIZE_DEFAULT);
+				decode_successful = true;
+			}
+			break;
+		}
+
+		default:
+		{
+			// separating this into -several- llwarns calls because in the extremely unlikely case that this happens
+			// accessing mFilename and any other object properties might very well crash the viewer.
+			// getting here should be impossible, or there's been a pretty serious bug.
+
+			llwarns << "During a decode attempt, the following local bitmap had no properly assigned extension." << llendl;
+			llwarns << "Filename: " << mFilename << llendl;
+		    llwarns << "Disabling further update attempts for this file." << llendl;
+			mLinkStatus = LS_BROKEN;
+		}
+	}
+
+	return decode_successful;
+}
+
+void LLLocalBitmap::replaceIDs(LLUUID old_id, LLUUID new_id)
+{
+	// checking for misuse.
+	if (old_id == new_id)
+	{
+		llinfos << "An attempt was made to replace a texture with itself. (matching UUIDs)" << "\n"
+			    << "Texture UUID: " << old_id.asString() << llendl;
+		return;
+	}
+
+	updateUserPrims(old_id, new_id);
+	updateUserSculpts(old_id, new_id); // isn't there supposed to be an IMG_DEFAULT_SCULPT or something?
+	
+	// default safeguard image for layers
+	if( new_id == IMG_DEFAULT )
+	{
+		new_id = IMG_DEFAULT_AVATAR;
+	}
+
+	/* It doesn't actually update all of those, it merely checks if any of them
+		contain the referenced ID and if so, updates. */
+	updateUserLayers(old_id, new_id, LLWearableType::WT_ALPHA);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_EYES);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_GLOVES);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_JACKET);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_PANTS);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_SHIRT);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_SHOES);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_SKIN);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_SKIRT);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_SOCKS);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_TATTOO);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_UNDERPANTS);
+	updateUserLayers(old_id, new_id, LLWearableType::WT_UNDERSHIRT);
+}
+
+// this function sorts the faces from a getFaceList[getNumFaces] into a list of objects
+// in order to prevent multiple sendTEUpdate calls per object during updateUserPrims
+std::vector<LLViewerObject*> LLLocalBitmap::prepUpdateObjects(LLUUID old_id)
+{
+	std::vector<LLViewerObject*> obj_list;
+	LLViewerFetchedTexture* old_texture = gTextureList.findImage(old_id);
+
+	for(U32 face_iterator = 0; face_iterator < old_texture->getNumFaces(); face_iterator++)
+	{
+		// getting an object from a face
+		LLFace* face_to_object = (*old_texture->getFaceList())[face_iterator];
+
+		if(face_to_object)
+		{
+			LLViewerObject* affected_object = face_to_object->getViewerObject();
+
+			if(affected_object)
+			{
+
+				// we have an object, we'll take it's UUID and compare it to
+				// whatever we already have in the returnable object list.
+				// if there is a match - we do not add (to prevent duplicates)
+				LLUUID mainlist_obj_id = affected_object->getID();
+				bool add_object = true;
+
+				// begin looking for duplicates
+				std::vector<LLViewerObject*>::iterator objlist_iter = obj_list.begin();
+				for(; (objlist_iter != obj_list.end()) && add_object; objlist_iter++)
+				{
+					LLViewerObject* obj = *objlist_iter;
+					if (obj->getID() == mainlist_obj_id)
+					{
+						add_object = false; // duplicate found.
+					}
+				}
+				// end looking for duplicates
+
+				if(add_object)
+				{
+					obj_list.push_back(affected_object);
+				}
+
+			}
+
+		}
+		
+	} // end of face-iterating for()
+
+	return obj_list;
+}
+
+void LLLocalBitmap::updateUserPrims(LLUUID old_id, LLUUID new_id)
+{
+	std::vector<LLViewerObject*> objectlist = prepUpdateObjects(old_id);
+
+	for(std::vector<LLViewerObject*>::iterator object_iterator = objectlist.begin();
+		object_iterator != objectlist.end(); object_iterator++)
+	{
+		LLViewerObject* object = *object_iterator;
+
+		if(object)
+		{
+			bool update_obj = false;
+			S32 num_faces = object->getNumFaces();
+
+			for (U8 face_iter = 0; face_iter < num_faces; face_iter++)
+			{
+				if (object->mDrawable)
+				{
+					LLFace* face = object->mDrawable->getFace(face_iter);
+					if (face && face->getTexture() && face->getTexture()->getID() == old_id)
+					{
+						object->setTEImage(face_iter, LLViewerTextureManager::getFetchedTexture
+							(new_id, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
+
+						update_obj = true;
+					}
+				}
+			}
+			
+			if (update_obj)
+			{
+				object->sendTEUpdate();
+			}
+		}
+	}
+	
+}
+
+void LLLocalBitmap::updateUserSculpts(LLUUID old_id, LLUUID new_id)
+{
+	LLViewerFetchedTexture* old_texture = gTextureList.findImage(old_id);
+	for(U32 volume_iter = 0; volume_iter < old_texture->getNumVolumes(); volume_iter++)
+	{
+		LLVOVolume* volume_to_object = (*old_texture->getVolumeList())[volume_iter];
+		LLViewerObject* object = (LLViewerObject*)volume_to_object;
+	
+		if(object)
+		{
+			if (object->isSculpted() && object->getVolume() &&
+				object->getVolume()->getParams().getSculptID() == old_id)
+			{
+				LLSculptParams* old_params = (LLSculptParams*)object->getParameterEntry(LLNetworkData::PARAMS_SCULPT);
+				LLSculptParams new_params(*old_params);
+				new_params.setSculptTexture(new_id);
+				object->setParameterEntry(LLNetworkData::PARAMS_SCULPT, new_params, TRUE);
+			}
+		}
+	}
+}
+
+void LLLocalBitmap::updateUserLayers(LLUUID old_id, LLUUID new_id, LLWearableType::EType type)
+{
+	U32 count = gAgentWearables.getWearableCount(type);
+	for(U32 wearable_iter = 0; wearable_iter < count; wearable_iter++)
+	{
+		LLWearable* wearable = gAgentWearables.getWearable(type, wearable_iter);
+		if (wearable)
+		{
+			std::vector<LLLocalTextureObject*> texture_list = wearable->getLocalTextureListSeq();
+			for(std::vector<LLLocalTextureObject*>::iterator texture_iter = texture_list.begin();
+				texture_iter != texture_list.end(); texture_iter++)
+			{
+				LLLocalTextureObject* lto = *texture_iter;
+
+				if (lto && lto->getID() == old_id)
+				{
+					U32 local_texlayer_index = 0; /* can't keep that as static const, gives errors, so i'm leaving this var here */
+					LLVOAvatarDefines::EBakedTextureIndex baked_texind =
+						lto->getTexLayer(local_texlayer_index)->getTexLayerSet()->getBakedTexIndex();
+				
+					LLVOAvatarDefines::ETextureIndex reg_texind = getTexIndex(type, baked_texind);
+					if (reg_texind != LLVOAvatarDefines::TEX_NUM_INDICES)
+					{
+						U32 index = gAgentWearables.getWearableIndex(wearable);
+						gAgentAvatarp->setLocalTexture(reg_texind, gTextureList.getImage(new_id), FALSE, index);
+						gAgentAvatarp->wearableUpdated(type, FALSE);
+
+						/* telling the manager to rebake once update cycle is fully done */
+						LLLocalBitmapMgr::setNeedsRebake();
+					}
+
+				}
+			}
+		}
+	}
+}
+
+LLVOAvatarDefines::ETextureIndex LLLocalBitmap::getTexIndex(
+	LLWearableType::EType type, LLVOAvatarDefines::EBakedTextureIndex baked_texind)
+{
+	LLVOAvatarDefines::ETextureIndex result = LLVOAvatarDefines::TEX_NUM_INDICES; // using as a default/fail return.
+
+	switch(type)
+	{
+		case LLWearableType::WT_ALPHA:
+		{
+			switch(baked_texind)
+			{
+				case LLVOAvatarDefines::BAKED_EYES:
+				{
+					result = LLVOAvatarDefines::TEX_EYES_ALPHA;
+					break;
+				}
+
+				case LLVOAvatarDefines::BAKED_HAIR:
+				{
+					result = LLVOAvatarDefines::TEX_HAIR_ALPHA;
+					break;
+				}
+
+				case LLVOAvatarDefines::BAKED_HEAD:
+				{
+					result = LLVOAvatarDefines::TEX_HEAD_ALPHA;
+					break;
+				}
+
+				case LLVOAvatarDefines::BAKED_LOWER:
+				{
+					result = LLVOAvatarDefines::TEX_LOWER_ALPHA;
+					break;
+				}
+				case LLVOAvatarDefines::BAKED_UPPER:
+				{
+					result = LLVOAvatarDefines::TEX_UPPER_ALPHA;
+					break;
+				}
+
+				default:
+				{
+					break;
+				}
+
+			}
+			break;
+
+		}
+
+		case LLWearableType::WT_EYES:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_EYES)
+			{
+				result = LLVOAvatarDefines::TEX_EYES_IRIS;
+			}
+
+			break;
+		}
+
+		case LLWearableType::WT_GLOVES:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_UPPER)
+			{
+				result = LLVOAvatarDefines::TEX_UPPER_GLOVES;
+			}
+
+			break;
+		}
+
+		case LLWearableType::WT_JACKET:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_LOWER)
+			{
+				result = LLVOAvatarDefines::TEX_LOWER_JACKET;
+			}
+			else if (baked_texind == LLVOAvatarDefines::BAKED_UPPER)
+			{
+				result = LLVOAvatarDefines::TEX_UPPER_JACKET;
+			}
+
+			break;
+		}
+
+		case LLWearableType::WT_PANTS:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_LOWER)
+			{
+				result = LLVOAvatarDefines::TEX_LOWER_PANTS;
+			}
+
+			break;
+		}
+
+		case LLWearableType::WT_SHIRT:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_UPPER)
+			{
+				result = LLVOAvatarDefines::TEX_UPPER_SHIRT;
+			}
+
+			break;
+		}
+
+		case LLWearableType::WT_SHOES:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_LOWER)
+			{
+				result = LLVOAvatarDefines::TEX_LOWER_SHOES;
+			}
+
+			break;
+		}
+
+		case LLWearableType::WT_SKIN:
+		{
+			switch(baked_texind)
+			{
+				case LLVOAvatarDefines::BAKED_HEAD:
+				{
+					result = LLVOAvatarDefines::TEX_HEAD_BODYPAINT;
+					break;
+				}
+
+				case LLVOAvatarDefines::BAKED_LOWER:
+				{
+					result = LLVOAvatarDefines::TEX_LOWER_BODYPAINT;
+					break;
+				}
+				case LLVOAvatarDefines::BAKED_UPPER:
+				{
+					result = LLVOAvatarDefines::TEX_UPPER_BODYPAINT;
+					break;
+				}
+
+				default:
+				{
+					break;
+				}
+
+			}
+			break;
+		}
+
+		case LLWearableType::WT_SKIRT:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_SKIRT)
+			{
+				result = LLVOAvatarDefines::TEX_SKIRT;
+			}
+
+			break;
+		}
+
+		case LLWearableType::WT_SOCKS:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_LOWER)
+			{
+				result = LLVOAvatarDefines::TEX_LOWER_SOCKS;
+			}
+
+			break;
+		}
+
+		case LLWearableType::WT_TATTOO:
+		{
+			switch(baked_texind)
+			{
+				case LLVOAvatarDefines::BAKED_HEAD:
+				{
+					result = LLVOAvatarDefines::TEX_HEAD_TATTOO;
+					break;
+				}
+
+				case LLVOAvatarDefines::BAKED_LOWER:
+				{
+					result = LLVOAvatarDefines::TEX_LOWER_TATTOO;
+					break;
+				}
+				case LLVOAvatarDefines::BAKED_UPPER:
+				{
+					result = LLVOAvatarDefines::TEX_UPPER_TATTOO;
+					break;
+				}
+
+				default:
+				{
+					break;
+				}
+
+			}
+			break;
+		}
+
+		case LLWearableType::WT_UNDERPANTS:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_LOWER)
+			{
+				result = LLVOAvatarDefines::TEX_LOWER_UNDERPANTS;
+			}
+
+			break;
+		}
+
+		case LLWearableType::WT_UNDERSHIRT:
+		{
+			if (baked_texind == LLVOAvatarDefines::BAKED_UPPER)
+			{
+				result = LLVOAvatarDefines::TEX_UPPER_UNDERSHIRT;
+			}
+
+			break;
+		}
+
+		default:
+		{
+			llwarns << "Unknown wearable type: " << (int)type << "\n"
+				    << "Baked Texture Index: " << (int)baked_texind << "\n"
+					<< "Filename: " << mFilename << "\n"
+					<< "TrackingID: " << mTrackingID << "\n"
+					<< "InworldID: " << mWorldID << llendl;
+		}
+
+	}
+	return result;
+}
+
+/*=======================================*/
+/*  LLLocalBitmapTimer: timer class      */
+/*=======================================*/ 
+LLLocalBitmapTimer::LLLocalBitmapTimer() : LLEventTimer(LL_LOCAL_TIMER_HEARTBEAT)
+{
+}
+
+LLLocalBitmapTimer::~LLLocalBitmapTimer()
+{
+}
+
+void LLLocalBitmapTimer::startTimer()
+{
+	mEventTimer.start();
+}
+
+void LLLocalBitmapTimer::stopTimer()
+{
+	mEventTimer.stop();
+}
+
+bool LLLocalBitmapTimer::isRunning()
+{
+	return mEventTimer.getStarted();
+}
+
+BOOL LLLocalBitmapTimer::tick()
+{
+	LLLocalBitmapMgr::doUpdates();
+	return FALSE;
+}
+
+/*=======================================*/
+/*  LLLocalBitmapMgr: manager class      */
+/*=======================================*/ 
+LLLocalBitmapMgr::LLLocalBitmapMgr()
+{
+	// The class is all made of static members, should i even bother instantiating?
+}
+
+LLLocalBitmapMgr::~LLLocalBitmapMgr()
+{
+}
+
+bool LLLocalBitmapMgr::addUnit()
+{
+	bool add_successful = false;
+
+	LLFilePicker& picker = LLFilePicker::instance();
+	if (picker.getMultipleOpenFiles(LLFilePicker::FFLOAD_IMAGE))
+	{
+		sTimer.stopTimer();
+
+		std::string filename = picker.getFirstFile();
+		while(!filename.empty())
+		{
+			LLLocalBitmap* unit = new LLLocalBitmap(filename);
+
+			if (unit->getValid())
+			{
+				sBitmapList.push_back(unit);
+				add_successful = true;
+			}
+			else
+			{
+				delete unit;
+				unit = NULL;
+			}
+
+			filename = picker.getNextFile();
+		}
+		
+		sTimer.startTimer();
+	}
+
+	return add_successful;
+}
+
+void LLLocalBitmapMgr::delUnit(LLUUID tracking_id)
+{
+	if (!sBitmapList.empty())
+	{	
+		std::vector<LLLocalBitmap*> to_delete;
+		for (local_list_iter iter = sBitmapList.begin(); iter != sBitmapList.end(); iter++)
+		{   /* finding which ones we want deleted and making a separate list */
+			LLLocalBitmap* unit = *iter;
+			if (unit->getTrackingID() == tracking_id)
+			{
+				to_delete.push_back(unit);
+			}
+		}
+
+		for(std::vector<LLLocalBitmap*>::iterator del_iter = to_delete.begin();
+			del_iter != to_delete.end(); del_iter++)
+		{   /* iterating over a temporary list, hence preserving the iterator validity while deleting. */
+			LLLocalBitmap* unit = *del_iter;
+			sBitmapList.remove(unit);
+			delete unit;
+			unit = NULL;
+		}
+	}
+}
+
+LLUUID LLLocalBitmapMgr::getWorldID(LLUUID tracking_id)
+{
+	LLUUID world_id = LLUUID::null;
+
+	for (local_list_iter iter = sBitmapList.begin(); iter != sBitmapList.end(); iter++)
+	{
+		LLLocalBitmap* unit = *iter;
+		if (unit->getTrackingID() == tracking_id)
+		{
+			world_id = unit->getWorldID();
+		}
+	}
+
+	return world_id;
+}
+
+std::string LLLocalBitmapMgr::getFilename(LLUUID tracking_id)
+{
+	std::string filename = "";
+
+	for (local_list_iter iter = sBitmapList.begin(); iter != sBitmapList.end(); iter++)
+	{
+		LLLocalBitmap* unit = *iter;
+		if (unit->getTrackingID() == tracking_id)
+		{
+			filename = unit->getFilename();
+		}
+	}
+
+	return filename;
+}
+
+void LLLocalBitmapMgr::feedScrollList(LLScrollListCtrl* ctrl)
+{
+	if (ctrl)
+	{
+		ctrl->clearRows();
+
+		if (!sBitmapList.empty())
+		{
+			for (local_list_iter iter = sBitmapList.begin();
+				 iter != sBitmapList.end(); iter++)
+			{
+				LLSD element;
+				element["columns"][0]["column"] = "unit_name";
+				element["columns"][0]["type"]   = "text";
+				element["columns"][0]["value"]  = (*iter)->getShortName();
+
+				element["columns"][1]["column"] = "unit_id_HIDDEN";
+				element["columns"][1]["type"]   = "text";
+				element["columns"][1]["value"]  = (*iter)->getTrackingID();
+
+				ctrl->addElement(element);
+			}
+		}
+	}
+
+}
+
+void LLLocalBitmapMgr::doUpdates()
+{
+	// preventing theoretical overlap in cases with huge number of loaded images.
+	sTimer.stopTimer();
+	sNeedsRebake = false;
+
+	for (local_list_iter iter = sBitmapList.begin(); iter != sBitmapList.end(); iter++)
+	{
+		(*iter)->updateSelf();
+	}
+
+	doRebake();
+	sTimer.startTimer();
+}
+
+void LLLocalBitmapMgr::setNeedsRebake()
+{
+	sNeedsRebake = true;
+}
+
+void LLLocalBitmapMgr::doRebake()
+{ /* separated that from doUpdates to insure a rebake can be called separately during deletion */
+	if (sNeedsRebake)
+	{
+		gAgentAvatarp->forceBakeAllTextures(LL_LOCAL_SLAM_FOR_DEBUG);
+		sNeedsRebake = false;
+	}
+}
+