parametermat.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
// Local Includes
#include "mathutils.h"
 
// External Includes
#include <parameter.h>
#include <nap/signalslot.h>
 
namespace nap
{
    template<typename T>
    class ParameterMat : public Parameter
    {
        RTTI_ENABLE(Parameter)
    public:
 
        virtual void setValue(const Parameter& value) override;
 
        void setValue(T value);
 
    public:
        T                       mValue;                                             
        Signal<T>               valueChanged;                                       
    };
 
 
    // Matrix Parameter Type Definitions
 
    using ParameterMat3     = ParameterMat<glm::mat3>;
    using ParameterMat4     = ParameterMat<glm::mat4>;
 
 
    // Template Definitions
 
    template<typename T>
    void ParameterMat<T>::setValue(const Parameter& value)
    {
        const ParameterMat<T>* derived_type = rtti_cast<const ParameterMat<T>>(&value);
        assert(derived_type != nullptr);
        setValue(derived_type->mValue);
    }
 
    template<typename T>
    void ParameterMat<T>::setValue(T value)
    {
        // Set the components for each element individually
        T oldValue = mValue;
        mValue = value;
 
        if (oldValue != mValue)
            valueChanged(mValue);
    }
}
 
#define DEFINE_MATRIX_PARAMETER(Type)                                                                       \
    RTTI_BEGIN_CLASS(Type)                                                                                  \
        RTTI_PROPERTY("Value",      &Type::mValue,          nap::rtti::EPropertyMetaData::Default)          \
        RTTI_FUNCTION("setValue",   static_cast<void (Type::*)(decltype(Type::mValue))>(&Type::setValue))   \
    RTTI_END_CLASS