spotlightcomponent.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 "lightcomponent.h"
 
// External includes
#include <perspcameracomponent.h>
#include <renderfrustumcomponent.h>
#include <rendergnomoncomponent.h>
 
namespace nap
{
    // Forward declares
    class SpotLightComponentInstance;
    class SceneService;
 
    class NAPAPI SpotLightComponent : public LightComponent
    {
        RTTI_ENABLE(LightComponent)
        DECLARE_COMPONENT(SpotLightComponent, SpotLightComponentInstance)
    public:
        float mAttenuation = 0.1f;                              
        float mAngle = 90.0f;                                   
        float mFOVClip = 1.0f;                                  
        float mFalloff = 0.5f;                                  
        glm::vec2 mClippingPlanes = { 1.0f, 1000.0f };          
        uint mShadowMapSize = 1024;                             
    };
 
 
    class NAPAPI SpotLightComponentInstance : public LightComponentInstance
    {
        RTTI_ENABLE(LightComponentInstance)
    public:
        SpotLightComponentInstance(EntityInstance& entity, Component& resource) :
            LightComponentInstance(entity, resource) { }
 
        virtual bool init(utility::ErrorState& errorState) override;
 
        virtual ELightType getLightType() const override                    { return ELightType::Spot; }
 
        virtual EShadowMapType getShadowMapType() const override            { return EShadowMapType::Quad; }
 
        float getAttenuation() const                                        { return mAttenuation; }
 
        void setAttenuation(float attenuation)                              { mAttenuation = attenuation; }
 
        float getAngle() const                                              { return mAngle; }
 
        void setAngle(float angle);
 
        float getFOVClip() const                                            { return mFOVClip; }
 
        void setFOVClip(float clip);
 
        float getFalloff() const                                            { return mFalloff; }
 
        void setFalloff(float falloff)                                      { mFalloff = falloff; }
 
        float mAttenuation = 0.1f;
        float mAngle = 90.0f;
        float mFOVClip = 1.0f;
        float mFalloff = 0.5f;
 
    private:
        // Shadow camera entity resource
        std::unique_ptr<Entity> mShadowCamEntity = nullptr;
        std::unique_ptr<PerspCameraComponent> mShadowCamComponent = nullptr;
        std::unique_ptr<RenderFrustumComponent> mShadowFrustrumComponent = nullptr;
        std::unique_ptr<RenderGnomonComponent> mShadowOriginComponent = nullptr;
        std::unique_ptr<TransformComponent> mShadowCamXformComponent = nullptr;
        std::unique_ptr<GnomonMesh> mGnomonMesh = nullptr;
    };
}