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89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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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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*/
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#ifndef TWP_SHADERS_H
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#define TWP_SHADERS_H
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#include "twp/room.h"
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#include "math/vector3d.h"
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namespace Twp {
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extern const char *vsrc;
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extern const char *bwShader;
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extern const char *ghostShader;
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extern const char *sepiaShader;
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struct ShaderParams {
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RoomEffect effect = RoomEffect::None;
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float sepiaFlicker = 1.f;
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float randomValue[5];
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float timeLapse;
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float iGlobalTime;
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float iNoiseThreshold = 1.f;
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float iFade = 1.f;
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float wobbleIntensity = 1.f;
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Color shadows = Color(-0.3f, 0.f, 0.f);
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Color midtones = Color(-0.2f, 0.f, 0.1f);
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Color highlights = Color(0.f, 0.f, 0.2f);
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void updateShader();
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};
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enum class FadeEffect {
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None,
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In,
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Out,
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Wobble
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};
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class FadeShader : public Shader {
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public:
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FadeShader();
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virtual ~FadeShader() override;
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int getNumTextures() override;
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int getTexture(int index) override;
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int getTextureLoc(int index) override;
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private:
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void applyUniforms() override;
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public:
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FadeEffect _effect = FadeEffect::None;
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Common::SharedPtr<Room> _room;
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Texture *_texture1 = nullptr;
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Texture *_texture2 = nullptr;
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Math::Vector2d _cameraPos;
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float _duration = 0.f;
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float _elapsed = 0.f;
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float _movement = 0.f; // movement for wobble effect
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float _fade = 0.f; // fade value between [0.f,1.f]
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bool _fadeToSepia = false; // true to fade to sepia
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private:
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int _textureLoc[2];
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};
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} // namespace Twp
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#endif
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