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/**
* @file llwlparamset.h
* @brief Interface for the LLWLParamSet 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
* $/LicenseInfo$
*/
#ifndef LL_WLPARAM_SET_H
#define LL_WLPARAM_SET_H
#include <string>
#include <map>
#include "v4math.h"
#include "v4color.h"
#include "llviewershadermgr.h"
class LLFloaterWindLight;
class LLWLParamSet;
/// A class representing a set of parameter values for the WindLight shaders.
class LLWLParamSet {
friend class LLWLParamManager;
public:
std::string mName;
private:
LLSD mParamValues;
float mCloudScrollXOffset, mCloudScrollYOffset;
public:
LLWLParamSet();
/// Update this set of shader uniforms from the parameter values.
void update(LLGLSLShader * shader) const;
/// set the total llsd
void setAll(const LLSD& val);
/// get the total llsd
const LLSD& getAll();
/// Set a float parameter.
/// \param paramName The name of the parameter to set.
/// \param x The float value to set.
void set(const std::string& paramName, float x);
/// Set a float2 parameter.
/// \param paramName The name of the parameter to set.
/// \param x The x component's value to set.
/// \param y The y component's value to set.
void set(const std::string& paramName, float x, float y);
/// Set a float3 parameter.
/// \param paramName The name of the parameter to set.
/// \param x The x component's value to set.
/// \param y The y component's value to set.
/// \param z The z component's value to set.
void set(const std::string& paramName, float x, float y, float z);
/// Set a float4 parameter.
/// \param paramName The name of the parameter to set.
/// \param x The x component's value to set.
/// \param y The y component's value to set.
/// \param z The z component's value to set.
/// \param w The w component's value to set.
void set(const std::string& paramName, float x, float y, float z, float w);
/// Set a float4 parameter.
/// \param paramName The name of the parameter to set.
/// \param val An array of the 4 float values to set the parameter to.
void set(const std::string& paramName, const float * val);
/// Set a float4 parameter.
/// \param paramName The name of the parameter to set.
/// \param val A struct of the 4 float values to set the parameter to.
void set(const std::string& paramName, const LLVector4 & val);
/// Set a float4 parameter.
/// \param paramName The name of the parameter to set.
/// \param val A struct of the 4 float values to set the parameter to.
void set(const std::string& paramName, const LLColor4 & val);
/// Get a float4 parameter.
/// \param paramName The name of the parameter to set.
/// \param error A flag to set if it's not the proper return type
LLVector4 getVector(const std::string& paramName, bool& error);
/// Get an integer parameter
/// \param paramName The name of the parameter to set.
/// \param error A flag to set if it's not the proper return type
F32 getFloat(const std::string& paramName, bool& error);
// specific getters and setters
/// set the star's brightness
/// \param val brightness value
void setStarBrightness(F32 val);
/// get the star brightness value;
F32 getStarBrightness();
void setSunAngle(F32 val);
F32 getSunAngle();
void setEastAngle(F32 val);
F32 getEastAngle();
/// set the cloud scroll x enable value
/// \param val scroll x value
void setEnableCloudScrollX(bool val);
/// get the scroll x enable value;
bool getEnableCloudScrollX();
/// set the star's brightness
/// \param val scroll y bool value
void setEnableCloudScrollY(bool val);
/// get the scroll enable y value;
bool getEnableCloudScrollY();
/// set the cloud scroll x enable value
/// \param val scroll x value
void setCloudScrollX(F32 val);
/// get the scroll x enable value;
F32 getCloudScrollX();
/// set the star's brightness
/// \param val scroll y bool value
void setCloudScrollY(F32 val);
/// get the scroll enable y value;
F32 getCloudScrollY();
/// interpolate two parameter sets
/// \param src The parameter set to start with
/// \param dest The parameter set to end with
/// \param weight The amount to interpolate
void mix(LLWLParamSet& src, LLWLParamSet& dest,
F32 weight);
void updateCloudScrolling(void);
};
inline void LLWLParamSet::setAll(const LLSD& val)
{
if(val.isMap()) {
mParamValues = val;
}
}
inline const LLSD& LLWLParamSet::getAll()
{
return mParamValues;
}
inline void LLWLParamSet::setStarBrightness(float val) {
mParamValues["star_brightness"] = val;
}
inline F32 LLWLParamSet::getStarBrightness() {
return (F32) mParamValues["star_brightness"].asReal();
}
inline F32 LLWLParamSet::getSunAngle() {
return (F32) mParamValues["sun_angle"].asReal();
}
inline F32 LLWLParamSet::getEastAngle() {
return (F32) mParamValues["east_angle"].asReal();
}
inline void LLWLParamSet::setEnableCloudScrollX(bool val) {
mParamValues["enable_cloud_scroll"][0] = val;
}
inline bool LLWLParamSet::getEnableCloudScrollX() {
return mParamValues["enable_cloud_scroll"][0].asBoolean();
}
inline void LLWLParamSet::setEnableCloudScrollY(bool val) {
mParamValues["enable_cloud_scroll"][1] = val;
}
inline bool LLWLParamSet::getEnableCloudScrollY() {
return mParamValues["enable_cloud_scroll"][1].asBoolean();
}
inline void LLWLParamSet::setCloudScrollX(F32 val) {
mParamValues["cloud_scroll_rate"][0] = val;
}
inline F32 LLWLParamSet::getCloudScrollX() {
return (F32) mParamValues["cloud_scroll_rate"][0].asReal();
}
inline void LLWLParamSet::setCloudScrollY(F32 val) {
mParamValues["cloud_scroll_rate"][1] = val;
}
inline F32 LLWLParamSet::getCloudScrollY() {
return (F32) mParamValues["cloud_scroll_rate"][1].asReal();
}
#endif // LL_WLPARAM_SET_H
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