267 lines
7.3 KiB
C++
267 lines
7.3 KiB
C++
/**
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* @file llwaterparamset.cpp
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* @brief Implementation for the LLWaterParamSet class.
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*
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* $LicenseInfo:firstyear=2005&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llwaterparamset.h"
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#include "llsd.h"
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#include "llwaterparammanager.h"
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#include "lluictrlfactory.h"
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#include "llsliderctrl.h"
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#include "llviewertexturelist.h"
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#include "llviewercontrol.h"
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#include "lluuid.h"
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#include <llgl.h>
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#include <sstream>
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LLWaterParamSet::LLWaterParamSet(void) :
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mName("Unnamed Preset")
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{
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LLSD vec4;
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LLSD vec3;
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LLSD real(0.0f);
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vec4 = LLSD::emptyArray();
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vec4.append(22.f/255.f);
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vec4.append(43.f/255.f);
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vec4.append(54.f/255.f);
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vec4.append(0.f/255.f);
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vec3 = LLSD::emptyArray();
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vec3.append(2);
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vec3.append(2);
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vec3.append(2);
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LLSD wave1, wave2;
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wave1 = LLSD::emptyArray();
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wave2 = LLSD::emptyArray();
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wave1.append(0.5f);
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wave1.append(-.17f);
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wave2.append(0.58f);
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wave2.append(-.67f);
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mParamValues.insert("waterFogColor", vec4);
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mParamValues.insert("waterFogDensity", 16.0f);
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mParamValues.insert("underWaterFogMod", 0.25f);
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mParamValues.insert("normScale", vec3);
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mParamValues.insert("fresnelScale", 0.5f);
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mParamValues.insert("fresnelOffset", 0.4f);
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mParamValues.insert("scaleAbove", 0.025f);
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mParamValues.insert("scaleBelow", 0.2f);
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mParamValues.insert("blurMultiplier", 0.01f);
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mParamValues.insert("wave1Dir", wave1);
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mParamValues.insert("wave2Dir", wave2);
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mParamValues.insert("normalMap", DEFAULT_WATER_NORMAL);
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}
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void LLWaterParamSet::set(const std::string& paramName, float x)
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{
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// handle case where no array
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if(mParamValues[paramName].isReal())
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{
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mParamValues[paramName] = x;
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}
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// handle array
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else if(mParamValues[paramName].isArray() &&
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mParamValues[paramName][0].isReal())
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{
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mParamValues[paramName][0] = x;
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}
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}
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void LLWaterParamSet::set(const std::string& paramName, float x, float y) {
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mParamValues[paramName][0] = x;
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mParamValues[paramName][1] = y;
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}
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void LLWaterParamSet::set(const std::string& paramName, float x, float y, float z)
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{
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mParamValues[paramName][0] = x;
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mParamValues[paramName][1] = y;
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mParamValues[paramName][2] = z;
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}
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void LLWaterParamSet::set(const std::string& paramName, float x, float y, float z, float w)
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{
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mParamValues[paramName][0] = x;
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mParamValues[paramName][1] = y;
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mParamValues[paramName][2] = z;
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mParamValues[paramName][3] = w;
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}
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void LLWaterParamSet::set(const std::string& paramName, const float * val)
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{
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mParamValues[paramName][0] = val[0];
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mParamValues[paramName][1] = val[1];
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mParamValues[paramName][2] = val[2];
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mParamValues[paramName][3] = val[3];
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}
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void LLWaterParamSet::set(const std::string& paramName, const LLVector4 & val)
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{
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mParamValues[paramName][0] = val.mV[0];
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mParamValues[paramName][1] = val.mV[1];
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mParamValues[paramName][2] = val.mV[2];
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mParamValues[paramName][3] = val.mV[3];
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}
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void LLWaterParamSet::set(const std::string& paramName, const LLColor4 & val)
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{
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mParamValues[paramName][0] = val.mV[0];
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mParamValues[paramName][1] = val.mV[1];
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mParamValues[paramName][2] = val.mV[2];
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mParamValues[paramName][3] = val.mV[3];
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}
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LLVector4 LLWaterParamSet::getVector4(const std::string& paramName, bool& error)
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{
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// test to see if right type
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LLSD cur_val = mParamValues.get(paramName);
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if (!cur_val.isArray() || cur_val.size() != 4)
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{
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error = true;
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return LLVector4(0,0,0,0);
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}
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LLVector4 val;
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val.mV[0] = (F32) cur_val[0].asReal();
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val.mV[1] = (F32) cur_val[1].asReal();
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val.mV[2] = (F32) cur_val[2].asReal();
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val.mV[3] = (F32) cur_val[3].asReal();
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error = false;
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return val;
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}
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LLVector3 LLWaterParamSet::getVector3(const std::string& paramName, bool& error)
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{
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// test to see if right type
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LLSD cur_val = mParamValues.get(paramName);
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if (!cur_val.isArray()|| cur_val.size() != 3)
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{
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error = true;
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return LLVector3(0,0,0);
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}
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LLVector3 val;
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val.mV[0] = (F32) cur_val[0].asReal();
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val.mV[1] = (F32) cur_val[1].asReal();
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val.mV[2] = (F32) cur_val[2].asReal();
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error = false;
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return val;
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}
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LLVector2 LLWaterParamSet::getVector2(const std::string& paramName, bool& error)
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{
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// test to see if right type
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LLSD cur_val = mParamValues.get(paramName);
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if (!cur_val.isArray() || cur_val.size() != 2)
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{
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error = true;
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return LLVector2(0,0);
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}
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LLVector2 val;
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val.mV[0] = (F32) cur_val[0].asReal();
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val.mV[1] = (F32) cur_val[1].asReal();
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error = false;
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return val;
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}
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F32 LLWaterParamSet::getFloat(const std::string& paramName, bool& error)
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{
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// test to see if right type
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LLSD cur_val = mParamValues.get(paramName);
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if (cur_val.isArray() && cur_val.size() != 0)
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{
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error = false;
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return (F32) cur_val[0].asReal();
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}
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if(cur_val.isReal())
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{
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error = false;
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return (F32) cur_val.asReal();
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}
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error = true;
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return 0;
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}
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// Added for interpolation effect in DEV-33645
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// Based on LLWLParamSet::mix, but written by Jacob without an intimate knowledge of how WindLight works.
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// The function definition existed in the header but was never implemented. If you think there is something
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// wrong with this, you're probably right. Ask Jacob, Q, or a member of the original WindLight team.
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void LLWaterParamSet::mix(LLWaterParamSet& src, LLWaterParamSet& dest, F32 weight)
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{
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// Setup
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LLSD srcVal, destVal; // LLSD holders for get/set calls, reusable
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// Iterate through values
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for(LLSD::map_iterator iter = mParamValues.beginMap(); iter != mParamValues.endMap(); ++iter)
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{
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// If param exists in both src and dest, set the holder variables, otherwise skip
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if(src.mParamValues.has(iter->first) && dest.mParamValues.has(iter->first))
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{
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srcVal = src.mParamValues[iter->first];
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destVal = dest.mParamValues[iter->first];
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}
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else
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{
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continue;
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}
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if(iter->second.isReal()) // If it's a real, interpolate directly
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{
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iter->second = srcVal.asReal() + ((destVal.asReal() - srcVal.asReal()) * weight);
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}
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else if(iter->second.isArray() && iter->second[0].isReal() // If it's an array of reals, loop through the reals and interpolate on those
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&& iter->second.size() == srcVal.size() && iter->second.size() == destVal.size())
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{
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// Actually do interpolation: old value + (difference in values * factor)
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for(int i=0; i < iter->second.size(); ++i)
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{
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// iter->second[i] = (1.f-weight)*(F32)srcVal[i].asReal() + weight*(F32)destVal[i].asReal(); // old way of doing it -- equivalent but one more operation
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iter->second[i] = srcVal[i].asReal() + ((destVal[i].asReal() - srcVal[i].asReal()) * weight);
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}
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}
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else // Else, skip
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{
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continue;
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}
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}
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}
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