/** 
 * @file llviewercontrol.cpp
 * @brief Viewer configuration
 * @author Richard Nelson
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 * 
 * Copyright (c) 2001-2007, 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://secondlife.com/developers/opensource/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at http://secondlife.com/developers/opensource/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llviewercontrol.h"

#include "indra_constants.h"

// For Listeners
#include "audioengine.h"
#include "llagent.h"
#include "llconsole.h"
#include "lldrawpoolterrain.h"
#include "llflexibleobject.h"
#include "llfeaturemanager.h"
#include "llglslshader.h"
#include "llnetmap.h"
#include "llpanelgeneral.h"
#include "llpanelinput.h"
#include "llsky.h"
#include "llvieweraudio.h"
#include "llviewerimagelist.h"
#include "llviewerthrottle.h"
#include "llviewerwindow.h"
#include "llvoavatar.h"
#include "llvoiceclient.h"
#include "llvosky.h"
#include "llvotree.h"
#include "llvovolume.h"
#include "llworld.h"
#include "pipeline.h"
#include "llviewerjoystick.h"
#include "llviewerparcelmgr.h"
#include "llparcel.h"
#include "llnotify.h"
#include "llkeyboard.h"
#include "llerrorcontrol.h"
#include "llversionviewer.h"
#include "llappviewer.h"
#include "llvosurfacepatch.h"
#include "llvowlsky.h"
#include "llglimmediate.h"

#ifdef TOGGLE_HACKED_GODLIKE_VIEWER
BOOL 				gHackGodmode = FALSE;
#endif


std::map<LLString, LLControlGroup*> gSettings;
LLControlGroup gSavedSettings;	// saved at end of session
LLControlGroup gSavedPerAccountSettings; // saved at end of session
LLControlGroup gColors;			// read-only
LLControlGroup gCrashSettings;	// saved at end of session

LLString gLastRunVersion;
LLString gCurrentVersion;

extern BOOL gResizeScreenTexture;

////////////////////////////////////////////////////////////////////////////
// Listeners

static bool handleRenderAvatarMouselookChanged(const LLSD& newvalue)
{
	LLVOAvatar::sVisibleInFirstPerson = newvalue.asBoolean();
	return true;
}

static bool handleRenderFarClipChanged(const LLSD& newvalue)
{
	F32 draw_distance = (F32) newvalue.asReal();
	gAgent.mDrawDistance = draw_distance;
	LLWorld::getInstance()->setLandFarClip(draw_distance);
	return true;
}

static bool handleTerrainDetailChanged(const LLSD& newvalue)
{
	LLDrawPoolTerrain::sDetailMode = newvalue.asInteger();
	return true;
}


static bool handleSetShaderChanged(const LLSD& newvalue)
{
	LLShaderMgr::setShaders();
	return true;
}

static bool handleReleaseGLBufferChanged(const LLSD& newvalue)
{
	if (gPipeline.isInit())
	{
		gPipeline.releaseGLBuffers();
		gPipeline.createGLBuffers();
	}
	return true;
}

static bool handleVolumeLODChanged(const LLSD& newvalue)
{
	LLVOVolume::sLODFactor = (F32) newvalue.asReal();
	LLVOVolume::sDistanceFactor = 1.f-LLVOVolume::sLODFactor * 0.1f;
	return true;
}

static bool handleAvatarLODChanged(const LLSD& newvalue)
{
	LLVOAvatar::sLODFactor = (F32) newvalue.asReal();
	return true;
}

static bool handleTerrainLODChanged(const LLSD& newvalue)
{
		LLVOSurfacePatch::sLODFactor = (F32)newvalue.asReal();
		//sqaure lod factor to get exponential range of [0,4] and keep
		//a value of 1 in the middle of the detail slider for consistency
		//with other detail sliders (see panel_preferences_graphics1.xml)
		LLVOSurfacePatch::sLODFactor *= LLVOSurfacePatch::sLODFactor;
		return true;
}

static bool handleTreeLODChanged(const LLSD& newvalue)
{
	LLVOTree::sTreeFactor = (F32) newvalue.asReal();
	return true;
}

static bool handleFlexLODChanged(const LLSD& newvalue)
{
	LLVolumeImplFlexible::sUpdateFactor = (F32) newvalue.asReal();
	return true;
}

static bool handleGammaChanged(const LLSD& newvalue)
{
	F32 gamma = (F32) newvalue.asReal();
	if (gamma == 0.0f)
	{
		gamma = 1.0f; // restore normal gamma
	}
	if (gViewerWindow && gViewerWindow->getWindow() && gamma != gViewerWindow->getWindow()->getGamma())
	{
		// Only save it if it's changed
		if (!gViewerWindow->getWindow()->setGamma(gamma))
		{
			llwarns << "setGamma failed!" << llendl;
		}
	}

	return true;
}

const F32 MAX_USER_FOG_RATIO = 10.f;
const F32 MIN_USER_FOG_RATIO = 0.5f;

static bool handleFogRatioChanged(const LLSD& newvalue)
{
	F32 fog_ratio = llmax(MIN_USER_FOG_RATIO, llmin((F32) newvalue.asReal(), MAX_USER_FOG_RATIO));
	gSky.setFogRatio(fog_ratio);
	return true;
}

static bool handleMaxPartCountChanged(const LLSD& newvalue)
{
	LLViewerPartSim::setMaxPartCount(newvalue.asInteger());
	return true;
}

const S32 MAX_USER_COMPOSITE_LIMIT = 100;
const S32 MIN_USER_COMPOSITE_LIMIT = 0;

static bool handleCompositeLimitChanged(const LLSD& newvalue)
{
	S32 composite_limit = llmax(MIN_USER_COMPOSITE_LIMIT,  llmin((S32)newvalue.asInteger(), MAX_USER_COMPOSITE_LIMIT));
	LLVOAvatar::sMaxOtherAvatarsToComposite = composite_limit;
	return true;
}

static bool handleVideoMemoryChanged(const LLSD& newvalue)
{
	gImageList.updateMaxResidentTexMem(newvalue.asInteger());
	return true;
}

static bool handleBandwidthChanged(const LLSD& newvalue)
{
	gViewerThrottle.setMaxBandwidth((F32) newvalue.asReal());
	return true;
}

static bool handleChatFontSizeChanged(const LLSD& newvalue)
{
	if(gConsole)
	{
		gConsole->setFontSize(newvalue.asInteger());
	}
	return true;
}

static bool handleChatPersistTimeChanged(const LLSD& newvalue)
{
	if(gConsole)
	{
		gConsole->setLinePersistTime((F32) newvalue.asReal());
	}
	return true;
}

static bool handleConsoleMaxLinesChanged(const LLSD& newvalue)
{
	if(gConsole)
	{
		gConsole->setMaxLines(newvalue.asInteger());
	}
	return true;
}

static void handleAudioVolumeChanged(const LLSD& newvalue)
{
	audio_update_volume(true);
}

static bool handleJoystickChanged(const LLSD& newvalue)
{
	LLViewerJoystick::updateCamera(TRUE);
	return true;
}

static bool handleAudioStreamMusicChanged(const LLSD& newvalue)
{
	if (gAudiop)
	{
		if ( newvalue.asBoolean() )
		{
			if (LLViewerParcelMgr::getInstance()->getAgentParcel()
				&& !LLViewerParcelMgr::getInstance()->getAgentParcel()->getMusicURL().empty())
			{
				// if stream is already playing, don't call this
				// otherwise music will briefly stop
				if ( !gAudiop->isInternetStreamPlaying() )
				{
					gAudiop->startInternetStream(LLViewerParcelMgr::getInstance()->getAgentParcel()->getMusicURL().c_str());
				}
			}
		}
		else
		{
			gAudiop->stopInternetStream();
		}
	}
	return true;
}

static bool handleUseOcclusionChanged(const LLSD& newvalue)
{
	LLPipeline::sUseOcclusion = (newvalue.asBoolean() && gGLManager.mHasOcclusionQuery 
		&& LLFeatureManager::getInstance()->isFeatureAvailable("UseOcclusion") && !gUseWireframe) ? 2 : 0;
	return true;
}

static bool handleNumpadControlChanged(const LLSD& newvalue)
{
	if (gKeyboard)
	{
		gKeyboard->setNumpadDistinct(static_cast<LLKeyboard::e_numpad_distinct>(newvalue.asInteger()));
	}
	return true;
}

static bool handleRenderUseVBOChanged(const LLSD& newvalue)
{
	if (gPipeline.isInit())
	{
		gPipeline.setUseVBO(newvalue.asBoolean());
	}
	return true;
}

static bool handleWLSkyDetailChanged(const LLSD&)
{
	if (gSky.mVOWLSkyp.notNull())
	{
		gSky.mVOWLSkyp->updateGeometry(gSky.mVOWLSkyp->mDrawable);
	}
	return true;
}

static bool handleRenderLightingDetailChanged(const LLSD& newvalue)
{
	if (gPipeline.isInit())
	{
		gPipeline.setLightingDetail(newvalue.asInteger());
	}
	return true;
}

static bool handleResetVertexBuffersChanged(const LLSD&)
{
	if (gPipeline.isInit())
	{
		gPipeline.resetVertexBuffers();
	}
	return true;
}

static bool handleRenderDynamicLODChanged(const LLSD& newvalue)
{
	LLPipeline::sDynamicLOD = newvalue.asBoolean();
	return true;
}

static bool handleRenderUseFBOChanged(const LLSD& newvalue)
{
	LLRenderTarget::sUseFBO = newvalue.asBoolean();
	if (gPipeline.isInit())
	{
		gPipeline.releaseGLBuffers();
		gPipeline.createGLBuffers();
	}
	return true;
}

static bool handleRenderUseImpostorsChanged(const LLSD& newvalue)
{
	LLVOAvatar::sUseImpostors = newvalue.asBoolean();
	return true;
}

static bool handleRenderUseCleverUIChanged(const LLSD& newvalue)
{
	gGL.setClever(newvalue.asBoolean());
	return true;
}

static bool handleRenderResolutionDivisorChanged(const LLSD&)
{
	gResizeScreenTexture = TRUE;
	return true;
}

static bool handleDebugViewsChanged(const LLSD& newvalue)
{
	LLView::sDebugRects = newvalue.asBoolean();
	return true;
}

static bool handleLogFileChanged(const LLSD& newvalue)
{
	std::string log_filename = newvalue.asString();
	LLFile::remove(log_filename.c_str());
	LLError::logToFile(log_filename);
	return true;
}

bool handleHideGroupTitleChanged(const LLSD& newvalue)
{
	gAgent.setHideGroupTitle(newvalue);
	return true;
}

bool handleEffectColorChanged(const LLSD& newvalue)
{
	gAgent.setEffectColor(LLColor4(newvalue));
	return true;
}

bool handleRotateNetMapChanged(const LLSD& newvalue)
{
	LLNetMap::setRotateMap(newvalue.asBoolean());
	return true;
}

bool handleVectorizeChanged(const LLSD& newvalue)
{
	LLViewerJointMesh::updateVectorize();
	return true;
}

bool handleVoiceClientPrefsChanged(const LLSD& newvalue)
{
	if(gVoiceClient)
	{
		// Note: Ignore the specific event value, look up the ones we want

		gVoiceClient->setVoiceEnabled(gSavedSettings.getBOOL("EnableVoiceChat"));
		gVoiceClient->setUsePTT(gSavedSettings.getBOOL("PTTCurrentlyEnabled"));
		std::string keyString = gSavedSettings.getString("PushToTalkButton");
		gVoiceClient->setPTTKey(keyString);
		gVoiceClient->setPTTIsToggle(gSavedSettings.getBOOL("PushToTalkToggle"));
		gVoiceClient->setEarLocation(gSavedSettings.getS32("VoiceEarLocation"));
		std::string serverName = gSavedSettings.getString("VivoxDebugServerName");
		gVoiceClient->setVivoxDebugServerName(serverName);

		std::string inputDevice = gSavedSettings.getString("VoiceInputAudioDevice");
		gVoiceClient->setCaptureDevice(inputDevice);
		std::string outputDevice = gSavedSettings.getString("VoiceOutputAudioDevice");
		gVoiceClient->setRenderDevice(outputDevice);
	}
	return true;
}

////////////////////////////////////////////////////////////////////////////

void settings_setup_listeners()
{
	gSavedSettings.getControl("FirstPersonAvatarVisible")->getSignal()->connect(boost::bind(&handleRenderAvatarMouselookChanged, _1));
	gSavedSettings.getControl("RenderFarClip")->getSignal()->connect(boost::bind(&handleRenderFarClipChanged, _1));
	gSavedSettings.getControl("RenderTerrainDetail")->getSignal()->connect(boost::bind(&handleTerrainDetailChanged, _1));
	gSavedSettings.getControl("RenderAvatarVP")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _1));
	gSavedSettings.getControl("VertexShaderEnable")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _1));
	gSavedSettings.getControl("RenderDynamicReflections")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _1));
	gSavedSettings.getControl("RenderGlow")->getSignal()->connect(boost::bind(&handleReleaseGLBufferChanged, _1));
	gSavedSettings.getControl("RenderGlow")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _1));
	gSavedSettings.getControl("EnableRippleWater")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _1));
	gSavedSettings.getControl("RenderGlowResolutionPow")->getSignal()->connect(boost::bind(&handleReleaseGLBufferChanged, _1));
	gSavedSettings.getControl("RenderAvatarCloth")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _1));
	gSavedSettings.getControl("WindLightUseAtmosShaders")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _1));
	gSavedSettings.getControl("RenderGammaFull")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _1));
	gSavedSettings.getControl("RenderVolumeLODFactor")->getSignal()->connect(boost::bind(&handleVolumeLODChanged, _1));
	gSavedSettings.getControl("RenderAvatarLODFactor")->getSignal()->connect(boost::bind(&handleAvatarLODChanged, _1));
	gSavedSettings.getControl("RenderTerrainLODFactor")->getSignal()->connect(boost::bind(&handleTerrainLODChanged, _1));
	gSavedSettings.getControl("RenderTreeLODFactor")->getSignal()->connect(boost::bind(&handleTreeLODChanged, _1));
	gSavedSettings.getControl("RenderFlexTimeFactor")->getSignal()->connect(boost::bind(&handleFlexLODChanged, _1));
	gSavedSettings.getControl("ThrottleBandwidthKBPS")->getSignal()->connect(boost::bind(&handleBandwidthChanged, _1));
	gSavedSettings.getControl("RenderGamma")->getSignal()->connect(boost::bind(&handleGammaChanged, _1));
	gSavedSettings.getControl("RenderFogRatio")->getSignal()->connect(boost::bind(&handleFogRatioChanged, _1));
	gSavedSettings.getControl("RenderMaxPartCount")->getSignal()->connect(boost::bind(&handleMaxPartCountChanged, _1));
	gSavedSettings.getControl("RenderDynamicLOD")->getSignal()->connect(boost::bind(&handleRenderDynamicLODChanged, _1));
	gSavedSettings.getControl("RenderDebugTextureBind")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _1));
	gSavedSettings.getControl("RenderFastAlpha")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _1));
	gSavedSettings.getControl("RenderObjectBump")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _1));
	gSavedSettings.getControl("RenderMaxVBOSize")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _1));
	gSavedSettings.getControl("RenderUseFBO")->getSignal()->connect(boost::bind(&handleRenderUseFBOChanged, _1));
	gSavedSettings.getControl("RenderUseImpostors")->getSignal()->connect(boost::bind(&handleRenderUseImpostorsChanged, _1));
	gSavedSettings.getControl("RenderUseCleverUI")->getSignal()->connect(boost::bind(&handleRenderUseCleverUIChanged, _1));
	gSavedSettings.getControl("RenderResolutionDivisor")->getSignal()->connect(boost::bind(&handleRenderResolutionDivisorChanged, _1));
	gSavedSettings.getControl("RenderDeferred")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _1));
	gSavedSettings.getControl("AvatarCompositeLimit")->getSignal()->connect(boost::bind(&handleCompositeLimitChanged, _1));
	gSavedSettings.getControl("TextureMemory")->getSignal()->connect(boost::bind(&handleVideoMemoryChanged, _1));
	gSavedSettings.getControl("ChatFontSize")->getSignal()->connect(boost::bind(&handleChatFontSizeChanged, _1));
	gSavedSettings.getControl("ChatPersistTime")->getSignal()->connect(boost::bind(&handleChatPersistTimeChanged, _1));
	gSavedSettings.getControl("ConsoleMaxLines")->getSignal()->connect(boost::bind(&handleConsoleMaxLinesChanged, _1));
	gSavedSettings.getControl("UseOcclusion")->getSignal()->connect(boost::bind(&handleUseOcclusionChanged, _1));
	gSavedSettings.getControl("AudioLevelMaster")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
 	gSavedSettings.getControl("AudioLevelSFX")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
 	gSavedSettings.getControl("AudioLevelUI")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("AudioLevelAmbient")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("AudioLevelMusic")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("AudioLevelMedia")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("AudioLevelVoice")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("AudioLevelDistance")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("AudioLevelDoppler")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("AudioLevelRolloff")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("AudioStreamingMusic")->getSignal()->connect(boost::bind(&handleAudioStreamMusicChanged, _1));
	gSavedSettings.getControl("MuteAudio")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("MuteMusic")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("MuteMedia")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("MuteVoice")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("MuteAmbient")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("MuteUI")->getSignal()->connect(boost::bind(&handleAudioVolumeChanged, _1));
	gSavedSettings.getControl("RenderVBOEnable")->getSignal()->connect(boost::bind(&handleRenderUseVBOChanged, _1));
	gSavedSettings.getControl("WLSkyDetail")->getSignal()->connect(boost::bind(&handleWLSkyDetailChanged, _1));
	gSavedSettings.getControl("RenderLightingDetail")->getSignal()->connect(boost::bind(&handleRenderLightingDetailChanged, _1));
	gSavedSettings.getControl("NumpadControl")->getSignal()->connect(boost::bind(&handleNumpadControlChanged, _1));
	gSavedSettings.getControl("FlycamAxis0")->getSignal()->connect(boost::bind(&handleJoystickChanged, _1));
	gSavedSettings.getControl("FlycamAxis1")->getSignal()->connect(boost::bind(&handleJoystickChanged, _1));
	gSavedSettings.getControl("FlycamAxis2")->getSignal()->connect(boost::bind(&handleJoystickChanged, _1));
	gSavedSettings.getControl("FlycamAxis3")->getSignal()->connect(boost::bind(&handleJoystickChanged, _1));
	gSavedSettings.getControl("FlycamAxis4")->getSignal()->connect(boost::bind(&handleJoystickChanged, _1));
	gSavedSettings.getControl("FlycamAxis5")->getSignal()->connect(boost::bind(&handleJoystickChanged, _1));
	gSavedSettings.getControl("FlycamAxis6")->getSignal()->connect(boost::bind(&handleJoystickChanged, _1));
    gSavedSettings.getControl("DebugViews")->getSignal()->connect(boost::bind(&handleDebugViewsChanged, _1));
    gSavedSettings.getControl("UserLogFile")->getSignal()->connect(boost::bind(&handleLogFileChanged, _1));
	gSavedSettings.getControl("RenderHideGroupTitle")->getSignal()->connect(boost::bind(handleHideGroupTitleChanged, _1));
	gSavedSettings.getControl("EffectColor")->getSignal()->connect(boost::bind(handleEffectColorChanged, _1));
	gSavedSettings.getControl("MiniMapRotate")->getSignal()->connect(boost::bind(handleRotateNetMapChanged, _1));
	gSavedSettings.getControl("VectorizePerfTest")->getSignal()->connect(boost::bind(&handleVectorizeChanged, _1));
	gSavedSettings.getControl("VectorizeEnable")->getSignal()->connect(boost::bind(&handleVectorizeChanged, _1));
	gSavedSettings.getControl("VectorizeProcessor")->getSignal()->connect(boost::bind(&handleVectorizeChanged, _1));
	gSavedSettings.getControl("VectorizeSkin")->getSignal()->connect(boost::bind(&handleVectorizeChanged, _1));
	gSavedSettings.getControl("EnableVoiceChat")->getSignal()->connect(boost::bind(&handleVoiceClientPrefsChanged, _1));
	gSavedSettings.getControl("PTTCurrentlyEnabled")->getSignal()->connect(boost::bind(&handleVoiceClientPrefsChanged, _1));
	gSavedSettings.getControl("PushToTalkButton")->getSignal()->connect(boost::bind(&handleVoiceClientPrefsChanged, _1));
	gSavedSettings.getControl("PushToTalkToggle")->getSignal()->connect(boost::bind(&handleVoiceClientPrefsChanged, _1));
	gSavedSettings.getControl("VoiceEarLocation")->getSignal()->connect(boost::bind(&handleVoiceClientPrefsChanged, _1));
	gSavedSettings.getControl("VivoxDebugServerName")->getSignal()->connect(boost::bind(&handleVoiceClientPrefsChanged, _1));
	gSavedSettings.getControl("VoiceInputAudioDevice")->getSignal()->connect(boost::bind(&handleVoiceClientPrefsChanged, _1));
	gSavedSettings.getControl("VoiceOutputAudioDevice")->getSignal()->connect(boost::bind(&handleVoiceClientPrefsChanged, _1));
}