138 lines
4.9 KiB
C++
138 lines
4.9 KiB
C++
/*
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This file is part of Nori, a simple educational ray tracer
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Copyright (c) 2015 by Wenzel Jakob
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Nori is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License Version 3
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as published by the Free Software Foundation.
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Nori 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <nori/color.h>
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#include <nori/transform.h>
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#include <map>
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NORI_NAMESPACE_BEGIN
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/**
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* \brief This is an associative container used to supply the constructors
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* of \ref NoriObject subclasses with parameter information.
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*/
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class PropertyList {
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public:
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PropertyList() { }
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/// Set a boolean property
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void setBoolean(const std::string &name, const bool &value);
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/// Get a boolean property, and throw an exception if it does not exist
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bool getBoolean(const std::string &name) const;
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/// Get a boolean property, and use a default value if it does not exist
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bool getBoolean(const std::string &name, const bool &defaultValue) const;
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/// Set an integer property
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void setInteger(const std::string &name, const int &value);
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/// Get an integer property, and throw an exception if it does not exist
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int getInteger(const std::string &name) const;
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/// Get am integer property, and use a default value if it does not exist
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int getInteger(const std::string &name, const int &defaultValue) const;
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/// Set a float property
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void setFloat(const std::string &name, const float &value);
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/// Get a float property, and throw an exception if it does not exist
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float getFloat(const std::string &name) const;
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/// Get a float property, and use a default value if it does not exist
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float getFloat(const std::string &name, const float &defaultValue) const;
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/// Set a string property
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void setString(const std::string &name, const std::string &value);
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/// Get a string property, and throw an exception if it does not exist
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std::string getString(const std::string &name) const;
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/// Get a string property, and use a default value if it does not exist
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std::string getString(const std::string &name, const std::string &defaultValue) const;
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/// Set a color property
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void setColor(const std::string &name, const Color3f &value);
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/// Get a color property, and throw an exception if it does not exist
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Color3f getColor(const std::string &name) const;
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/// Get a color property, and use a default value if it does not exist
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Color3f getColor(const std::string &name, const Color3f &defaultValue) const;
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/// Set a point property
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void setPoint(const std::string &name, const Point3f &value);
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/// Get a point property, and throw an exception if it does not exist
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Point3f getPoint(const std::string &name) const;
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/// Get a point property, and use a default value if it does not exist
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Point3f getPoint(const std::string &name, const Point3f &defaultValue) const;
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/// Set a vector property
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void setVector(const std::string &name, const Vector3f &value);
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/// Get a vector property, and throw an exception if it does not exist
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Vector3f getVector(const std::string &name) const;
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/// Get a vector property, and use a default value if it does not exist
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Vector3f getVector(const std::string &name, const Vector3f &defaultValue) const;
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/// Set a transform property
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void setTransform(const std::string &name, const Transform &value);
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/// Get a transform property, and throw an exception if it does not exist
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Transform getTransform(const std::string &name) const;
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/// Get a transform property, and use a default value if it does not exist
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Transform getTransform(const std::string &name, const Transform &defaultValue) const;
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private:
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/* Custom variant data type (stores one of boolean/integer/float/...) */
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struct Property {
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enum {
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boolean_type, integer_type, float_type,
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string_type, color_type, point_type,
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vector_type, transform_type
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} type;
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/* Visual studio lacks support for unrestricted unions (as of ver. 2013) */
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struct Value
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{
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Value() : boolean_value(false) { }
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~Value() { }
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bool boolean_value;
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int integer_value;
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float float_value;
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std::string string_value;
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Color3f color_value;
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Point3f point_value;
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Vector3f vector_value;
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Transform transform_value;
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} value;
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Property() : type(boolean_type) { }
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};
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std::map<std::string, Property> m_properties;
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};
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NORI_NAMESPACE_END
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