/** * @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" class LLWLParamSet; class LLGLSLShader; /// 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 a float 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