170 lines
4.1 KiB
C++
170 lines
4.1 KiB
C++
/**
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*
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* Copyright (c) 2021, Kitty Barnett
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*
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* The source code in this file is provided to you under the terms of the
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* GNU Lesser General Public License, version 2.1, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. Terms of the LGPL can be found in doc/LGPL-licence.txt
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* in this distribution, or online at http://www.gnu.org/licenses/lgpl-2.1.txt
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*
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* By copying, modifying or distributing this software, you acknowledge that
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* you have read and understood your obligations described above, and agree to
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* abide by those obligations.
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*
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*/
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#pragma once
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#include "llsingleton.h"
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// ============================================================================
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//
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//
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class LLRenderTarget;
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// ============================================================================
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//
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//
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enum class EVisualEffect
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{
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RlvOverlay,
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RlvSphere,
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};
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enum class EVisualEffectType
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{
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PostProcessShader,
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Custom,
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};
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// ============================================================================
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//
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//
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struct LLVisualEffectParams
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{
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};
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struct LLShaderEffectParams : LLVisualEffectParams
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{
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explicit LLShaderEffectParams(LLRenderTarget* pSrcBuffer, LLRenderTarget* pDstBuffer) : m_pSrcBuffer(pSrcBuffer), m_pDstBuffer(pDstBuffer) {}
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LLRenderTarget* m_pSrcBuffer = nullptr;
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LLRenderTarget* m_pDstBuffer = nullptr;
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};
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// ============================================================================
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//
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//
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class LLVisualEffect
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{
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public:
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LLVisualEffect(LLUUID id, EVisualEffect eCode, EVisualEffectType eType)
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: m_id(id), m_eCode(eCode), m_eType(eType)
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{}
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virtual ~LLVisualEffect() {}
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EVisualEffect getCode() const { return m_eCode;}
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const LLUUID& getId() const { return m_id;}
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U32 getPriority() const { return m_nPriority; }
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EVisualEffectType getType() const { return m_eType;}
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virtual void run(const LLVisualEffectParams* pParams) = 0;
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/*
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* Member variables
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*/
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protected:
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LLUUID m_id;
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EVisualEffect m_eCode;
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EVisualEffectType m_eType;
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U32 m_nPriority;
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};
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// ============================================================================
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//
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//
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template<typename T>
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class LLTweenableValue
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{
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public:
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LLTweenableValue(const T& defaultValue) : m_CurValue(defaultValue) {}
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virtual ~LLTweenableValue() {}
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virtual T get() = 0;
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virtual void start(const T& endValue, double duration) = 0;
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T& operator =(const T& value) { m_CurValue = value; }
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/*
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* Member variables
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*/
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protected:
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boost::optional<T> m_CurValue;
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};
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template<typename T>
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class LLTweenableValueLerp : public LLTweenableValue<T>
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{
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public:
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LLTweenableValueLerp(const T& defaultValue) : LLTweenableValue<T>(defaultValue) {}
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T get() override;
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void start(const T& endValue, double duration) override
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{
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m_StartValue = get();
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this->m_CurValue = boost::none;
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m_EndValue = endValue;
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m_StartTime = LLTimer::getElapsedSeconds();
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m_Duration = duration;
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}
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/*
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* Member variables
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*/
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protected:
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double m_StartTime;
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double m_Duration;
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T m_StartValue;
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T m_EndValue;
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};
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// ============================================================================
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//
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//
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class LLVfxManager : public LLSingleton<LLVfxManager>
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{
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LLSINGLETON(LLVfxManager);
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protected:
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~LLVfxManager() {}
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/*
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* Member functions
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*/
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public:
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bool addEffect(LLVisualEffect* pEffectInst);
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LLVisualEffect* getEffect(const LLUUID& idEffect) const;
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template<typename T> T* getEffect(const LLUUID& idEffect) const { return dynamic_cast<T*>(getEffect(idEffect)); }
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LLVisualEffect* getEffect(EVisualEffect eCode) const;
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template<typename T> T* getEffect(EVisualEffect eCode) const { return dynamic_cast<T*>(getEffect(eCode)); }
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bool removeEffect(const LLUUID& idEffect);
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void runEffect(EVisualEffect eCode, const LLVisualEffectParams* pParams = nullptr);
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void runEffect(EVisualEffectType eType, const LLVisualEffectParams* pParams = nullptr);
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protected:
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/*
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* Member variables
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*/
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protected:
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std::set<LLVisualEffect*> m_Effects;
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};
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// ============================================================================
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