Files
SingularityViewer/indra/newview/llwaterparamset.cpp
2013-03-04 16:04:05 -05:00

267 lines
7.3 KiB
C++

/**
* @file llwaterparamset.cpp
* @brief Implementation for the LLWaterParamSet class.
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llwaterparamset.h"
#include "llsd.h"
#include "llwaterparammanager.h"
#include "lluictrlfactory.h"
#include "llsliderctrl.h"
#include "llviewertexturelist.h"
#include "llviewercontrol.h"
#include "lluuid.h"
#include <llgl.h>
#include <sstream>
LLWaterParamSet::LLWaterParamSet(void) :
mName("Unnamed Preset")
{
LLSD vec4;
LLSD vec3;
LLSD real(0.0f);
vec4 = LLSD::emptyArray();
vec4.append(22.f/255.f);
vec4.append(43.f/255.f);
vec4.append(54.f/255.f);
vec4.append(0.f/255.f);
vec3 = LLSD::emptyArray();
vec3.append(2);
vec3.append(2);
vec3.append(2);
LLSD wave1, wave2;
wave1 = LLSD::emptyArray();
wave2 = LLSD::emptyArray();
wave1.append(0.5f);
wave1.append(-.17f);
wave2.append(0.58f);
wave2.append(-.67f);
mParamValues.insert("waterFogColor", vec4);
mParamValues.insert("waterFogDensity", 16.0f);
mParamValues.insert("underWaterFogMod", 0.25f);
mParamValues.insert("normScale", vec3);
mParamValues.insert("fresnelScale", 0.5f);
mParamValues.insert("fresnelOffset", 0.4f);
mParamValues.insert("scaleAbove", 0.025f);
mParamValues.insert("scaleBelow", 0.2f);
mParamValues.insert("blurMultiplier", 0.01f);
mParamValues.insert("wave1Dir", wave1);
mParamValues.insert("wave2Dir", wave2);
mParamValues.insert("normalMap", DEFAULT_WATER_NORMAL);
}
void LLWaterParamSet::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 LLWaterParamSet::set(const std::string& paramName, float x, float y) {
mParamValues[paramName][0] = x;
mParamValues[paramName][1] = y;
}
void LLWaterParamSet::set(const std::string& paramName, float x, float y, float z)
{
mParamValues[paramName][0] = x;
mParamValues[paramName][1] = y;
mParamValues[paramName][2] = z;
}
void LLWaterParamSet::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 LLWaterParamSet::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 LLWaterParamSet::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 LLWaterParamSet::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 LLWaterParamSet::getVector4(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() != 4)
{
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;
}
LLVector3 LLWaterParamSet::getVector3(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() != 3)
{
error = true;
return LLVector3(0,0,0);
}
LLVector3 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();
error = false;
return val;
}
LLVector2 LLWaterParamSet::getVector2(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() != 2)
{
error = true;
return LLVector2(0,0);
}
LLVector2 val;
val.mV[0] = (F32) cur_val[0].asReal();
val.mV[1] = (F32) cur_val[1].asReal();
error = false;
return val;
}
F32 LLWaterParamSet::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;
}
// Added for interpolation effect in DEV-33645
// Based on LLWLParamSet::mix, but written by Jacob without an intimate knowledge of how WindLight works.
// The function definition existed in the header but was never implemented. If you think there is something
// wrong with this, you're probably right. Ask Jacob, Q, or a member of the original WindLight team.
void LLWaterParamSet::mix(LLWaterParamSet& src, LLWaterParamSet& dest, F32 weight)
{
// Setup
LLSD srcVal, destVal; // LLSD holders for get/set calls, reusable
// Iterate through values
for(LLSD::map_iterator iter = mParamValues.beginMap(); iter != mParamValues.endMap(); ++iter)
{
// If param exists in both src and dest, set the holder variables, otherwise skip
if(src.mParamValues.has(iter->first) && dest.mParamValues.has(iter->first))
{
srcVal = src.mParamValues[iter->first];
destVal = dest.mParamValues[iter->first];
}
else
{
continue;
}
if(iter->second.isReal()) // If it's a real, interpolate directly
{
iter->second = srcVal.asReal() + ((destVal.asReal() - srcVal.asReal()) * weight);
}
else if(iter->second.isArray() && iter->second[0].isReal() // If it's an array of reals, loop through the reals and interpolate on those
&& iter->second.size() == srcVal.size() && iter->second.size() == destVal.size())
{
// Actually do interpolation: old value + (difference in values * factor)
for(int i=0; i < iter->second.size(); ++i)
{
// 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
iter->second[i] = srcVal[i].asReal() + ((destVal[i].asReal() - srcVal[i].asReal()) * weight);
}
}
else // Else, skip
{
continue;
}
}
}