llwlparamset.cpp
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- /**
- * @file llwlparamset.cpp
- * @brief Implementation for the LLWLParamSet class.
- *
- * $LicenseInfo:firstyear=2005&license=viewergpl$
- *
- * Copyright (c) 2005-2010, 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 "llwlparamset.h"
- #include "llwlanimator.h"
- #include "llfloaterwindlight.h"
- #include "llwlparammanager.h"
- #include "lluictrlfactory.h"
- #include "llsliderctrl.h"
- #include <llgl.h>
- #include <sstream>
- LLWLParamSet::LLWLParamSet(void) :
- mName("Unnamed Preset"),
- mCloudScrollXOffset(0.f), mCloudScrollYOffset(0.f)
- {
- /* REMOVE or init the LLSD
- const std::map<std::string, LLVector4>::value_type hardcodedPreset[] = {
- std::make_pair("lightnorm", LLVector4(0.f, 0.707f, -0.707f, 0.f)),
- std::make_pair("sunlight_color", LLVector4(0.6f, 0.6f, 2.83f, 2.27f)),
- std::make_pair("ambient", LLVector4(0.27f, 0.33f, 0.44f, 1.19f)),
- std::make_pair("blue_horizon", LLVector4(0.3f, 0.4f, 0.9f, 1.f)),
- std::make_pair("blue_density", LLVector4(0.3f, 0.4f, 0.8f, 1.f)),
- std::make_pair("haze_horizon", LLVector4(0.6f, 0.6f, 0.6f, 1.f)),
- std::make_pair("haze_density", LLVector4(0.3f, 0.3f, 0.3f, 1.f)),
- std::make_pair("cloud_shadow", LLVector4(0.f, 0.f, 0.f, 0.f)),
- std::make_pair("density_multiplier", LLVector4(0.001f, 0.001f, 0.001f, 0.001f)),
- std::make_pair("distance_multiplier", LLVector4(1.f, 1.f, 1.f, 1.f)),
- std::make_pair("max_y", LLVector4(600.f, 600.f, 600.f, 0.f)),
- std::make_pair("glow", LLVector4(15.f, 0.001f, -0.03125f, 0.f)),
- std::make_pair("cloud_color", LLVector4(0.0f, 0.0f, 0.0f, 0.0f)),
- std::make_pair("cloud_pos_density1", LLVector4(0.f, 0.f, 0.f, 1.f)),
- std::make_pair("cloud_pos_density2", LLVector4(0.f, 0.f, 0.f, 1.f)),
- std::make_pair("cloud_scale", LLVector4(0.42f, 0.f, 0.f, 1.f)),
- std::make_pair("gamma", LLVector4(2.0f, 2.0f, 2.0f, 0.0f)),
- };
- std::map<std::string, LLVector4>::value_type const * endHardcodedPreset =
- hardcodedPreset + LL_ARRAY_SIZE(hardcodedPreset);
- mParamValues.insert(hardcodedPreset, endHardcodedPreset);
- */
- }
- void LLWLParamSet::update(LLGLSLShader * shader) const
- {
- for(LLSD::map_const_iterator i = mParamValues.beginMap();
- i != mParamValues.endMap();
- ++i)
- {
- const std::string& param = i->first;
-
- if( param == "star_brightness" || param == "preset_num" || param == "sun_angle" ||
- param == "east_angle" || param == "enable_cloud_scroll" ||
- param == "cloud_scroll_rate" || param == "lightnorm" )
- {
- continue;
- }
-
- if(param == "cloud_pos_density1")
- {
- LLVector4 val;
- val.mV[0] = F32(i->second[0].asReal()) + mCloudScrollXOffset;
- val.mV[1] = F32(i->second[1].asReal()) + mCloudScrollYOffset;
- val.mV[2] = (F32) i->second[2].asReal();
- val.mV[3] = (F32) i->second[3].asReal();
-
- shader->uniform4fv(param, 1, val.mV);
- }
- else
- {
- LLVector4 val;
-
- // handle all the different cases
- if(i->second.isArray() && i->second.size() == 4)
- {
- val.mV[0] = (F32) i->second[0].asReal();
- val.mV[1] = (F32) i->second[1].asReal();
- val.mV[2] = (F32) i->second[2].asReal();
- val.mV[3] = (F32) i->second[3].asReal();
- }
- else if(i->second.isReal())
- {
- val.mV[0] = (F32) i->second.asReal();
- }
- else if(i->second.isInteger())
- {
- val.mV[0] = (F32) i->second.asReal();
- }
- else if(i->second.isBoolean())
- {
- val.mV[0] = i->second.asBoolean();
- }
-
-
- shader->uniform4fv(param, 1, val.mV);
- }
- }
- }
- void LLWLParamSet::set(const std::string& paramName, float x)
- {
- // handle case where no array
- if(mParamValues[paramName].isReal())
- {
- mParamValues[paramName] = x;
- }
-
- // handle array
- else if(mParamValues[paramName].isArray() &&
- mParamValues[paramName][0].isReal())
- {
- mParamValues[paramName][0] = x;
- }
- }
- void LLWLParamSet::set(const std::string& paramName, float x, float y) {
- mParamValues[paramName][0] = x;
- mParamValues[paramName][1] = y;
- }
- void LLWLParamSet::set(const std::string& paramName, float x, float y, float z)
- {
- mParamValues[paramName][0] = x;
- mParamValues[paramName][1] = y;
- mParamValues[paramName][2] = z;
- }
- void LLWLParamSet::set(const std::string& paramName, float x, float y, float z, float w)
- {
- mParamValues[paramName][0] = x;
- mParamValues[paramName][1] = y;
- mParamValues[paramName][2] = z;
- mParamValues[paramName][3] = w;
- }
- void LLWLParamSet::set(const std::string& paramName, const float * val)
- {
- mParamValues[paramName][0] = val[0];
- mParamValues[paramName][1] = val[1];
- mParamValues[paramName][2] = val[2];
- mParamValues[paramName][3] = val[3];
- }
- void LLWLParamSet::set(const std::string& paramName, const LLVector4 & val)
- {
- mParamValues[paramName][0] = val.mV[0];
- mParamValues[paramName][1] = val.mV[1];
- mParamValues[paramName][2] = val.mV[2];
- mParamValues[paramName][3] = val.mV[3];
- }
- void LLWLParamSet::set(const std::string& paramName, const LLColor4 & val)
- {
- mParamValues[paramName][0] = val.mV[0];
- mParamValues[paramName][1] = val.mV[1];
- mParamValues[paramName][2] = val.mV[2];
- mParamValues[paramName][3] = val.mV[3];
- }
- LLVector4 LLWLParamSet::getVector(const std::string& paramName, bool& error)
- {
-
- // test to see if right type
- LLSD cur_val = mParamValues.get(paramName);
- if (!cur_val.isArray())
- {
- error = true;
- return LLVector4(0,0,0,0);
- }
-
- LLVector4 val;
- val.mV[0] = (F32) cur_val[0].asReal();
- val.mV[1] = (F32) cur_val[1].asReal();
- val.mV[2] = (F32) cur_val[2].asReal();
- val.mV[3] = (F32) cur_val[3].asReal();
-
- error = false;
- return val;
- }
- F32 LLWLParamSet::getFloat(const std::string& paramName, bool& error)
- {
-
- // test to see if right type
- LLSD cur_val = mParamValues.get(paramName);
- if (cur_val.isArray() && cur_val.size() != 0)
- {
- error = false;
- return (F32) cur_val[0].asReal();
- }
-
- if(cur_val.isReal())
- {
- error = false;
- return (F32) cur_val.asReal();
- }
-
- error = true;
- return 0;
- }
- void LLWLParamSet::setSunAngle(float val)
- {
- // keep range 0 - 2pi
- if(val > F_TWO_PI || val < 0)
- {
- F32 num = val / F_TWO_PI;
- num -= floor(num);
- val = F_TWO_PI * num;
- }
- mParamValues["sun_angle"] = val;
- }
- void LLWLParamSet::setEastAngle(float val)
- {
- // keep range 0 - 2pi
- if(val > F_TWO_PI || val < 0)
- {
- F32 num = val / F_TWO_PI;
- num -= floor(num);
- val = F_TWO_PI * num;
- }
- mParamValues["east_angle"] = val;
- }
- void LLWLParamSet::mix(LLWLParamSet& src, LLWLParamSet& dest, F32 weight)
- {
- // set up the iterators
- LLSD::map_iterator cIt = mParamValues.beginMap();
- // keep cloud positions and coverage the same
- /// TODO masking will do this later
- F32 cloudPos1X = (F32) mParamValues["cloud_pos_density1"][0].asReal();
- F32 cloudPos1Y = (F32) mParamValues["cloud_pos_density1"][1].asReal();
- F32 cloudPos2X = (F32) mParamValues["cloud_pos_density2"][0].asReal();
- F32 cloudPos2Y = (F32) mParamValues["cloud_pos_density2"][1].asReal();
- F32 cloudCover = (F32) mParamValues["cloud_shadow"][0].asReal();
- LLSD srcVal;
- LLSD destVal;
- // do the interpolation for all the ones saved as vectors
- // skip the weird ones
- for(; cIt != mParamValues.endMap(); cIt++) {
- // check params to make sure they're actually there
- if(src.mParamValues.has(cIt->first))
- {
- srcVal = src.mParamValues[cIt->first];
- }
- else
- {
- continue;
- }
-
- if(dest.mParamValues.has(cIt->first))
- {
- destVal = dest.mParamValues[cIt->first];
- }
- else
- {
- continue;
- }
-
- // skip if not a vector
- if(!cIt->second.isArray())
- {
- continue;
- }
- // only Real vectors allowed
- if(!cIt->second[0].isReal())
- {
- continue;
- }
-
- // make sure all the same size
- if( cIt->second.size() != srcVal.size() ||
- cIt->second.size() != destVal.size())
- {
- continue;
- }
-
- // more error checking might be necessary;
-
- for(int i=0; i < cIt->second.size(); ++i)
- {
- cIt->second[i] = (1.0f - weight) * (F32) srcVal[i].asReal() +
- weight * (F32) destVal[i].asReal();
- }
- }
- // now mix the extra parameters
- setStarBrightness((1 - weight) * (F32) src.getStarBrightness()
- + weight * (F32) dest.getStarBrightness());
- llassert(src.getSunAngle() >= - F_PI &&
- src.getSunAngle() <= 3 * F_PI);
- llassert(dest.getSunAngle() >= - F_PI &&
- dest.getSunAngle() <= 3 * F_PI);
- llassert(src.getEastAngle() >= 0 &&
- src.getEastAngle() <= 4 * F_PI);
- llassert(dest.getEastAngle() >= 0 &&
- dest.getEastAngle() <= 4 * F_PI);
- // sun angle and east angle require some handling to make sure
- // they go in circles. Yes quaternions would work better.
- F32 srcSunAngle = src.getSunAngle();
- F32 destSunAngle = dest.getSunAngle();
- F32 srcEastAngle = src.getEastAngle();
- F32 destEastAngle = dest.getEastAngle();
-
- if(fabsf(srcSunAngle - destSunAngle) > F_PI)
- {
- if(srcSunAngle > destSunAngle)
- {
- destSunAngle += 2 * F_PI;
- }
- else
- {
- srcSunAngle += 2 * F_PI;
- }
- }
- if(fabsf(srcEastAngle - destEastAngle) > F_PI)
- {
- if(srcEastAngle > destEastAngle)
- {
- destEastAngle += 2 * F_PI;
- }
- else
- {
- srcEastAngle += 2 * F_PI;
- }
- }
- setSunAngle((1 - weight) * srcSunAngle + weight * destSunAngle);
- setEastAngle((1 - weight) * srcEastAngle + weight * destEastAngle);
-
- // now setup the sun properly
- // reset those cloud positions
- mParamValues["cloud_pos_density1"][0] = cloudPos1X;
- mParamValues["cloud_pos_density1"][1] = cloudPos1Y;
- mParamValues["cloud_pos_density2"][0] = cloudPos2X;
- mParamValues["cloud_pos_density2"][1] = cloudPos2Y;
- mParamValues["cloud_shadow"][0] = cloudCover;
- }
- void LLWLParamSet::updateCloudScrolling(void)
- {
- static LLTimer s_cloud_timer;
- F64 delta_t = s_cloud_timer.getElapsedTimeAndResetF64();
- if(getEnableCloudScrollX())
- {
- mCloudScrollXOffset += F32(delta_t * (getCloudScrollX() - 10.f) / 100.f);
- }
- if(getEnableCloudScrollY())
- {
- mCloudScrollYOffset += F32(delta_t * (getCloudScrollY() - 10.f) / 100.f);
- }
- }