Imported existing code

indra/newview/llwlparammanager.cpp

@@ -0,0 +1,569 @@
+/**
+ * @file llwlparammanager.cpp
+ * @brief Implementation for the LLWLParamManager class.
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ * 
+ * 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 "llwlparammanager.h"
+
+#include "pipeline.h"
+#include "llsky.h"
+
+#include "llsliderctrl.h"
+#include "llspinctrl.h"
+#include "llcheckboxctrl.h"
+#include "lluictrlfactory.h"
+#include "llviewercamera.h"
+#include "llcombobox.h"
+#include "lllineeditor.h"
+#include "llsdserialize.h"
+
+#include "v4math.h"
+#include "llviewerdisplay.h"
+#include "llviewercontrol.h"
+#include "llviewerwindow.h"
+#include "lldrawpoolwater.h"
+#include "llagent.h"
+#include "llviewerregion.h"
+
+#include "llwlparamset.h"
+#include "llpostprocess.h"
+#include "llfloaterwindlight.h"
+#include "llfloaterdaycycle.h"
+#include "llfloaterenvsettings.h"
+
+#include "curl/curl.h"
+
+LLWLParamManager * LLWLParamManager::sInstance = NULL;
+
+LLWLParamManager::LLWLParamManager() :
+
+	//set the defaults for the controls
+	// index is from sWLUniforms in pipeline.cpp line 979
+
+	/// Sun Delta Terrain tweak variables.
+	mSunDeltaYaw(180.0f),
+	mSceneLightStrength(2.0f),
+	mWLGamma(1.0f, "gamma"),
+
+	mBlueHorizon(0.25f, 0.25f, 1.0f, 1.0f, "blue_horizon", "WLBlueHorizon"),
+	mHazeDensity(1.0f, 1.0f, 1.0f, 0.5f, "haze_density"),
+	mBlueDensity(0.25f, 0.25f, 0.25f, 1.0f, "blue_density", "WLBlueDensity"),
+	mDensityMult(1.0f, "density_multiplier", 1000),
+	mHazeHorizon(1.0f, 1.0f, 1.0f, 0.5f, "haze_horizon"),
+	mMaxAlt(4000.0f, "max_y"),
+
+	// Lighting
+	mLightnorm(0.f, 0.707f, -0.707f, 1.f, "lightnorm"),
+	mSunlight(0.5f, 0.5f, 0.5f, 1.0f, "sunlight_color", "WLSunlight"),
+	mAmbient(0.5f, 0.75f, 1.0f, 1.19f, "ambient", "WLAmbient"),
+	mGlow(18.0f, 0.0f, -0.01f, 1.0f, "glow"),
+
+	// Clouds
+	mCloudColor(0.5f, 0.5f, 0.5f, 1.0f, "cloud_color", "WLCloudColor"),
+	mCloudMain(0.5f, 0.5f, 0.125f, 1.0f, "cloud_pos_density1"),
+	mCloudCoverage(0.0f, "cloud_shadow"),
+	mCloudDetail(0.0f, 0.0f, 0.0f, 1.0f, "cloud_pos_density2"),
+	mDistanceMult(1.0f, "distance_multiplier"),
+	mCloudScale(0.42f, "cloud_scale"),
+
+	// sky dome
+	mDomeOffset(0.96f),
+	mDomeRadius(15000.f)
+{
+}
+
+LLWLParamManager::~LLWLParamManager()
+{
+}
+
+void LLWLParamManager::loadPresets(const std::string& file_name)
+{
+	std::string path_name(gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "windlight/skies", ""));
+	LL_INFOS2("AppInit", "Shaders") << "Loading Default WindLight settings from " << path_name << LL_ENDL;
+			
+	bool found = true;			
+	while(found) 
+	{
+		std::string name;
+		found = gDirUtilp->getNextFileInDir(path_name, "*.xml", name, false);
+		if(found)
+		{
+
+			name=name.erase(name.length()-4);
+
+			// bugfix for SL-46920: preventing filenames that break stuff.
+			char * curl_str = curl_unescape(name.c_str(), name.size());
+			std::string unescaped_name(curl_str);
+			curl_free(curl_str);
+			curl_str = NULL;
+
+			LL_DEBUGS2("AppInit", "Shaders") << "name: " << name << LL_ENDL;
+			loadPreset(unescaped_name,FALSE);
+		}
+	}
+
+	// And repeat for user presets, note the user presets will modify any system presets already loaded
+
+	std::string path_name2(gDirUtilp->getExpandedFilename( LL_PATH_USER_SETTINGS , "windlight/skies", ""));
+	LL_INFOS2("AppInit", "Shaders") << "Loading User WindLight settings from " << path_name2 << LL_ENDL;
+			
+	found = true;			
+	while(found) 
+	{
+		std::string name;
+		found = gDirUtilp->getNextFileInDir(path_name2, "*.xml", name, false);
+		if(found)
+		{
+			name=name.erase(name.length()-4);
+
+			// bugfix for SL-46920: preventing filenames that break stuff.
+			char * curl_str = curl_unescape(name.c_str(), name.size());
+			std::string unescaped_name(curl_str);
+			curl_free(curl_str);
+			curl_str = NULL;
+
+			LL_DEBUGS2("AppInit", "Shaders") << "name: " << name << LL_ENDL;
+			loadPreset(unescaped_name,FALSE);
+		}
+	}
+
+}
+
+void LLWLParamManager::savePresets(const std::string & fileName)
+{
+	//Nobody currently calls me, but if they did, then its reasonable to write the data out to the user's folder
+	//and not over the RO system wide version.
+
+	LLSD paramsData(LLSD::emptyMap());
+	
+	std::string pathName(gDirUtilp->getExpandedFilename( LL_PATH_USER_SETTINGS , "windlight", fileName));
+
+	for(std::map<std::string, LLWLParamSet>::iterator mIt = mParamList.begin();
+		mIt != mParamList.end();
+		++mIt) 
+	{
+		paramsData[mIt->first] = mIt->second.getAll();
+	}
+
+	llofstream presetsXML(pathName);
+
+	LLPointer<LLSDFormatter> formatter = new LLSDXMLFormatter();
+
+	formatter->format(paramsData, presetsXML, LLSDFormatter::OPTIONS_PRETTY);
+
+	presetsXML.close();
+}
+
+void LLWLParamManager::loadPreset(const std::string & name,bool propagate)
+{
+	
+	// bugfix for SL-46920: preventing filenames that break stuff.
+	char * curl_str = curl_escape(name.c_str(), name.size());
+	std::string escaped_filename(curl_str);
+	curl_free(curl_str);
+	curl_str = NULL;
+
+	escaped_filename += ".xml";
+
+	std::string pathName(gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "windlight/skies", escaped_filename));
+	llinfos << "Loading WindLight sky setting from " << pathName << llendl;
+
+	llifstream presetsXML;
+	presetsXML.open(pathName.c_str());
+
+	// That failed, try loading from the users area instead.
+	if(!presetsXML)
+	{
+		pathName=gDirUtilp->getExpandedFilename( LL_PATH_USER_SETTINGS , "windlight/skies", escaped_filename);
+		llinfos << "Loading User WindLight sky setting from " << pathName << llendl;
+		presetsXML.open(pathName.c_str());
+	}
+
+	if (presetsXML)
+	{
+		LLSD paramsData(LLSD::emptyMap());
+
+		LLPointer<LLSDParser> parser = new LLSDXMLParser();
+
+		parser->parse(presetsXML, paramsData, LLSDSerialize::SIZE_UNLIMITED);
+
+		std::map<std::string, LLWLParamSet>::iterator mIt = mParamList.find(name);
+		if(mIt == mParamList.end())
+		{
+			addParamSet(name, paramsData);
+		}
+		else 
+		{
+			setParamSet(name, paramsData);
+		}
+		presetsXML.close();
+	} 
+	else 
+	{
+		llwarns << "Can't find " << name << llendl;
+		return;
+	}
+
+	
+	if(propagate)
+	{
+		getParamSet(name, mCurParams);
+		propagateParameters();
+	}
+}	
+
+void LLWLParamManager::savePreset(const std::string & name)
+{
+	// bugfix for SL-46920: preventing filenames that break stuff.
+	char * curl_str = curl_escape(name.c_str(), name.size());
+	std::string escaped_filename(curl_str);
+	curl_free(curl_str);
+	curl_str = NULL;
+
+	escaped_filename += ".xml";
+
+	// make an empty llsd
+	LLSD paramsData(LLSD::emptyMap());
+	std::string pathName(gDirUtilp->getExpandedFilename( LL_PATH_USER_SETTINGS , "windlight/skies", escaped_filename));
+
+	// fill it with LLSD windlight params
+	paramsData = mParamList[name].getAll();
+
+	// write to file
+	llofstream presetsXML(pathName);
+	LLPointer<LLSDFormatter> formatter = new LLSDXMLFormatter();
+	formatter->format(paramsData, presetsXML, LLSDFormatter::OPTIONS_PRETTY);
+	presetsXML.close();
+
+	propagateParameters();
+}
+
+void LLWLParamManager::updateShaderUniforms(LLGLSLShader * shader)
+{
+	if (gPipeline.canUseWindLightShaders())
+	{
+		mCurParams.update(shader);
+	}
+
+	if (shader->mShaderGroup == LLGLSLShader::SG_DEFAULT)
+	{
+		shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, mRotatedLightDir.mV);
+		shader->uniform3fv("camPosLocal", 1, LLViewerCamera::getInstance()->getOrigin().mV);
+	} 
+
+	else if (shader->mShaderGroup == LLGLSLShader::SG_SKY)
+	{
+		shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, mClampedLightDir.mV);
+	}
+
+	shader->uniform1f("scene_light_strength", mSceneLightStrength);
+	
+}
+
+void LLWLParamManager::propagateParameters(void)
+{
+	LLFastTimer ftm(LLFastTimer::FTM_UPDATE_WLPARAM);
+	
+	LLVector4 sunDir;
+	LLVector4 moonDir;
+
+	// set the sun direction from SunAngle and EastAngle
+	F32 sinTheta = sin(mCurParams.getEastAngle());
+	F32 cosTheta = cos(mCurParams.getEastAngle());
+
+	F32 sinPhi = sin(mCurParams.getSunAngle());
+	F32 cosPhi = cos(mCurParams.getSunAngle());
+
+	sunDir.mV[0] = -sinTheta * cosPhi;
+	sunDir.mV[1] = sinPhi;
+	sunDir.mV[2] = cosTheta * cosPhi;
+	sunDir.mV[3] = 0;
+
+	moonDir = -sunDir;
+
+	// is the normal from the sun or the moon
+	if(sunDir.mV[1] >= 0)
+	{
+		mLightDir = sunDir;
+	}
+	else if(sunDir.mV[1] < 0 && sunDir.mV[1] > NIGHTTIME_ELEVATION_COS)
+	{
+		// clamp v1 to 0 so sun never points up and causes weirdness on some machines
+		LLVector3 vec(sunDir.mV[0], sunDir.mV[1], sunDir.mV[2]);
+		vec.mV[1] = 0;
+		vec.normVec();
+		mLightDir = LLVector4(vec, 0.f);
+	}
+	else
+	{
+		mLightDir = moonDir;
+	}
+
+	// calculate the clamp lightnorm for sky (to prevent ugly banding in sky
+	// when haze goes below the horizon
+	mClampedLightDir = sunDir;
+
+	if (mClampedLightDir.mV[1] < -0.1f)
+	{
+		mClampedLightDir.mV[1] = -0.1f;
+	}
+
+	mCurParams.set("lightnorm", mLightDir);
+
+	// bind the variables for all shaders only if we're using WindLight
+	LLViewerShaderMgr::shader_iter shaders_iter, end_shaders;
+	end_shaders = LLViewerShaderMgr::instance()->endShaders();
+	for(shaders_iter = LLViewerShaderMgr::instance()->beginShaders(); shaders_iter != end_shaders; ++shaders_iter) 
+	{
+		if (shaders_iter->mProgramObject != 0
+			&& (gPipeline.canUseWindLightShaders()
+				|| shaders_iter->mShaderGroup == LLGLSLShader::SG_WATER))
+		{
+			shaders_iter->mUniformsDirty = TRUE;
+		}
+	}
+
+	// get the cfr version of the sun's direction
+	LLVector3 cfrSunDir(sunDir.mV[2], sunDir.mV[0], sunDir.mV[1]);
+
+	// set direction and don't allow overriding
+	gSky.setSunDirection(cfrSunDir, LLVector3(0,0,0));
+	gSky.setOverrideSun(TRUE);
+}
+
+void LLWLParamManager::update(LLViewerCamera * cam)
+{
+	LLFastTimer ftm(LLFastTimer::FTM_UPDATE_WLPARAM);
+	
+	// update clouds, sun, and general
+	mCurParams.updateCloudScrolling();
+	
+	// update only if running
+	if(mAnimator.mIsRunning) 
+	{
+		mAnimator.update(mCurParams);
+	}
+
+	// update the shaders and the menu
+	propagateParameters();
+	
+	// sync menus if they exist
+	if(LLFloaterWindLight::isOpen()) 
+	{
+		LLFloaterWindLight::instance()->syncMenu();
+	}
+	if(LLFloaterDayCycle::isOpen()) 
+	{
+		LLFloaterDayCycle::instance()->syncMenu();
+	}
+	if(LLFloaterEnvSettings::isOpen()) 
+	{
+		LLFloaterEnvSettings::instance()->syncMenu();
+	}
+
+	F32 camYaw = cam->getYaw();
+
+	stop_glerror();
+
+	// *TODO: potential optimization - this block may only need to be
+	// executed some of the time.  For example for water shaders only.
+	{
+		F32 camYawDelta = mSunDeltaYaw * DEG_TO_RAD;
+		
+		LLVector3 lightNorm3(mLightDir);	
+		lightNorm3 *= LLQuaternion(-(camYaw + camYawDelta), LLVector3(0.f, 1.f, 0.f));
+		mRotatedLightDir = LLVector4(lightNorm3, 0.f);
+
+		LLViewerShaderMgr::shader_iter shaders_iter, end_shaders;
+		end_shaders = LLViewerShaderMgr::instance()->endShaders();
+		for(shaders_iter = LLViewerShaderMgr::instance()->beginShaders(); shaders_iter != end_shaders; ++shaders_iter)
+		{
+			if (shaders_iter->mProgramObject != 0
+				&& (gPipeline.canUseWindLightShaders()
+				|| shaders_iter->mShaderGroup == LLGLSLShader::SG_WATER))
+			{
+				shaders_iter->mUniformsDirty = TRUE;
+			}
+		}
+	}
+}
+
+// static
+void LLWLParamManager::initClass(void)
+{
+	instance();
+}
+
+// static
+void LLWLParamManager::cleanupClass()
+{
+	delete sInstance;
+	sInstance = NULL;
+}
+
+void LLWLParamManager::resetAnimator(F32 curTime, bool run)
+{
+	mAnimator.setTrack(mDay.mTimeMap, mDay.mDayRate, 
+		curTime, run);
+
+	return;
+}
+bool LLWLParamManager::addParamSet(const std::string& name, LLWLParamSet& param)
+{
+	// add a new one if not one there already
+	std::map<std::string, LLWLParamSet>::iterator mIt = mParamList.find(name);
+	if(mIt == mParamList.end()) 
+	{	
+		mParamList[name] = param;
+		return true;
+	}
+
+	return false;
+}
+
+BOOL LLWLParamManager::addParamSet(const std::string& name, LLSD const & param)
+{
+	// add a new one if not one there already
+	std::map<std::string, LLWLParamSet>::const_iterator finder = mParamList.find(name);
+	if(finder == mParamList.end())
+	{
+		mParamList[name].setAll(param);
+		return TRUE;
+	}
+	else
+	{
+		return FALSE;
+	}
+}
+
+bool LLWLParamManager::getParamSet(const std::string& name, LLWLParamSet& param)
+{
+	// find it and set it
+	std::map<std::string, LLWLParamSet>::iterator mIt = mParamList.find(name);
+	if(mIt != mParamList.end()) 
+	{
+		param = mParamList[name];
+		param.mName = name;
+		return true;
+	}
+
+	return false;
+}
+
+bool LLWLParamManager::setParamSet(const std::string& name, LLWLParamSet& param)
+{
+	mParamList[name] = param;
+
+	return true;
+}
+
+bool LLWLParamManager::setParamSet(const std::string& name, const LLSD & param)
+{
+	// quick, non robust (we won't be working with files, but assets) check
+	if(!param.isMap()) 
+	{
+		return false;
+	}
+	
+	mParamList[name].setAll(param);
+
+	return true;
+}
+
+bool LLWLParamManager::removeParamSet(const std::string& name, bool delete_from_disk)
+{
+	// remove from param list
+	std::map<std::string, LLWLParamSet>::iterator mIt = mParamList.find(name);
+	if(mIt != mParamList.end()) 
+	{
+		mParamList.erase(mIt);
+	}
+
+	F32 key;
+
+	// remove all references
+	bool stat = true;
+	do 
+	{
+		// get it
+		stat = mDay.getKey(name, key);
+		if(stat == false) 
+		{
+			break;
+		}
+
+		// and remove
+		stat = mDay.removeKey(key);
+
+	} while(stat == true);
+	
+	if(delete_from_disk)
+	{
+		std::string path_name(gDirUtilp->getExpandedFilename( LL_PATH_USER_SETTINGS , "windlight/skies", ""));
+		
+		// use full curl escaped name
+		char * curl_str = curl_escape(name.c_str(), name.size());
+		std::string escaped_name(curl_str);
+		curl_free(curl_str);
+		curl_str = NULL;
+		
+		gDirUtilp->deleteFilesInDir(path_name, escaped_name + ".xml");
+	}
+
+	return true;
+}
+
+
+// static
+LLWLParamManager * LLWLParamManager::instance()
+{
+	if(NULL == sInstance)
+	{
+		sInstance = new LLWLParamManager();
+
+		sInstance->loadPresets(LLStringUtil::null);
+
+		// load the day
+		sInstance->mDay.loadDayCycle(std::string("Default.xml"));
+
+		// *HACK - sets cloud scrolling to what we want... fix this better in the future
+		sInstance->getParamSet("Default", sInstance->mCurParams);
+
+		// set it to noon
+		sInstance->resetAnimator(0.5, true);
+
+		// but use linden time sets it to what the estate is
+		sInstance->mAnimator.mUseLindenTime = true;
+	}
+
+	return sInstance;
+}