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Diffstat (limited to 'indra/newview/llsettingsbase.h')
| -rw-r--r-- | indra/newview/llsettingsbase.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/indra/newview/llsettingsbase.h b/indra/newview/llsettingsbase.h new file mode 100644 index 0000000000..01a19c8734 --- /dev/null +++ b/indra/newview/llsettingsbase.h @@ -0,0 +1,155 @@ +/** +* @file llsettingsbase.h +* @author optional +* @brief A base class for asset based settings groups. +* +* $LicenseInfo:2011&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2017, 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_SETTINGS_BASE_H +#define LL_SETTINGS_BASE_H + +#include <string> +#include <map> +#include <vector> + +#include "llsd.h" +#include "llsdutil.h" +#include "v2math.h" +#include "v3math.h" +#include "v4math.h" +#include "llquaternion.h" +#include "v4color.h" + +class LLSettingsBase: private boost::noncopyable +{ + friend class LLEnvironment; + +public: + typedef boost::shared_ptr<LLSettingsBase> ptr_t; + + virtual ~LLSettingsBase() { }; + + //--------------------------------------------------------------------- + virtual std::string getSettingType() const = 0; + + //--------------------------------------------------------------------- + // Settings status + inline bool hasSetting(const std::string ¶m) const { return mSettings.has(param); } + inline bool isDirty() const { return mDirty; } + inline void setDirtyFlag(bool dirty) { mDirty = dirty; } + + //--------------------------------------------------------------------- + // + inline void setValue(const std::string &name, const LLSD &value) + { + mSettings[name] = value; + mDirty = true; + } + + inline LLSD getValue(const std::string &name, const LLSD &deflt = LLSD()) + { + if (!mSettings.has(name)) + return deflt; + return mSettings[name]; + } + + inline void setValue(const std::string &name, const LLVector2 &value) + { + setValue(name, value.getValue()); + } + + inline void setValue(const std::string &name, const LLVector3 &value) + { + setValue(name, value.getValue()); + } + + inline void setValue(const std::string &name, const LLVector4 &value) + { + setValue(name, value.getValue()); + } + + inline void setValue(const std::string &name, const LLQuaternion &value) + { + setValue(name, value.getValue()); + } + + inline void setValue(const std::string &name, const LLColor3 &value) + { + setValue(name, value.getValue()); + } + + inline void setValue(const std::string &name, const LLColor4 &value) + { + setValue(name, value.getValue()); + } + + // Note this method is marked const but may modify the settings object. + // (note the internal const cast). This is so that it may be called without + // special consideration from getters. + inline void update() const + { + if (!mDirty) + return; + (const_cast<LLSettingsBase *>(this))->updateSettings(); + } + + // TODO: This is temporary + virtual void exportSettings(std::string name) const; + +protected: + LLSettingsBase(); + LLSettingsBase(const LLSD setting); + + typedef std::set<std::string> stringset_t; + + // combining settings objects. Customize for specific setting types + virtual void lerpSettings(const LLSettingsBase &other, F32 mix); + + /// when lerping between settings, some may require special handling. + /// Get a list of these key to be skipped by the default settings lerp. + /// (handling should be performed in the override of lerpSettings. + virtual stringset_t getSkipInterpolateKeys() const { return stringset_t(); } + + // A list of settings that represent quaternions and should be slerped + // rather than lerped. + virtual stringset_t getSlerpKeys() const { return stringset_t(); } + + // Calculate any custom settings that may need to be cached. + virtual void updateSettings() { mDirty = false; }; + + virtual stringset_t getSkipApplyKeys() const { return stringset_t(); } + // Apply any settings that need special handling. + virtual void applySpecial(void *) { }; + + LLSD mSettings; + +private: + bool mDirty; + + LLSD combineSDMaps(const LLSD &first, const LLSD &other) const; + LLSD interpolateSDMap(const LLSD &settings, const LLSD &other, F32 mix) const; + +}; + + +#endif |