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/**
* @file llviewerparcelmediaautoplay.cpp
* @brief timer to automatically play media in a parcel
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llviewerparcelmediaautoplay.h"
#include "llviewerparcelmedia.h"
#include "llviewercontrol.h"
#include "llviewermedia.h"
#include "llparcel.h"
#include "llviewerparcelmgr.h"
#include "lluuid.h"
#include "message.h"
#include "llviewerimagelist.h" // for texture stats
#include "llagent.h"
const F32 AUTOPLAY_TIME = 5; // how many seconds before we autoplay
const F32 AUTOPLAY_SIZE = 24*24; // how big the texture must be (pixel area) before we autoplay
const F32 AUTOPLAY_SPEED = 0.1f; // how slow should the agent be moving to autoplay
LLViewerParcelMediaAutoPlay::LLViewerParcelMediaAutoPlay() :
LLEventTimer(1),
mPlayed(FALSE),
mTimeInParcel(0)
{
}
static LLViewerParcelMediaAutoPlay *sAutoPlay = NULL;
// static
void LLViewerParcelMediaAutoPlay::initClass()
{
if (!sAutoPlay)
sAutoPlay = new LLViewerParcelMediaAutoPlay;
}
// static
void LLViewerParcelMediaAutoPlay::cleanupClass()
{
if (sAutoPlay)
delete sAutoPlay;
}
// static
void LLViewerParcelMediaAutoPlay::playStarted()
{
if (sAutoPlay)
{
sAutoPlay->mPlayed = TRUE;
}
}
BOOL LLViewerParcelMediaAutoPlay::tick()
{
LLParcel *this_parcel = NULL;
std::string this_media_url;
LLUUID this_media_texture_id;
S32 this_parcel_id = 0;
this_parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
if (this_parcel)
{
this_media_url = std::string(this_parcel->getMediaURL());
this_media_texture_id = this_parcel->getMediaID();
this_parcel_id = this_parcel->getLocalID();
}
if (this_parcel_id != mLastParcelID)
{
// we've entered a new parcel
mPlayed = FALSE; // we haven't autoplayed yet
mTimeInParcel = 0; // reset our timer
mLastParcelID = this_parcel_id;
}
mTimeInParcel += mPeriod; // increase mTimeInParcel by the amount of time between ticks
if ((!mPlayed) && // if we've never played
(mTimeInParcel > AUTOPLAY_TIME) && // and if we've been here for so many seconds
(this_media_url.size() != 0) && // and if the parcel has media
(LLViewerParcelMedia::sMediaImpl.isNull())) // and if the media is not already playing
{
if (this_media_texture_id.notNull()) // and if the media texture is good
{
LLViewerImage *image = gImageList.getImage(this_media_texture_id, FALSE);
F32 image_size = 0;
if (image)
{
image_size = image->mMaxVirtualSize;
}
if (gAgent.getVelocity().magVec() < AUTOPLAY_SPEED) // and if the agent is stopped (slow enough)
{
if (image_size > AUTOPLAY_SIZE) // and if the target texture is big enough on screen
{
if (this_parcel)
{
if (gSavedSettings.getBOOL("ParcelMediaAutoPlayEnable"))
{
// and last but not least, only play when autoplay is enabled
LLViewerParcelMedia::play(this_parcel);
}
}
mPlayed = TRUE;
}
}
}
}
return FALSE; // continue ticking forever please.
}
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