133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
//
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// KRAudioSource.h
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// KREngine
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//
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// Copyright 2012 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#ifndef KRAUDIOSOURCE_H
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#define KRAUDIOSOURCE_H
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#include "KREngine-common.h"
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#include "KRResource.h"
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#include "KRNode.h"
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#include "KRTexture.h"
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class KRAudioSample;
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class KRAudioBuffer;
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class KRAudioSource : public KRNode {
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public:
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KRAudioSource(KRScene &scene, std::string name);
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virtual ~KRAudioSource();
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virtual std::string getElementName();
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virtual tinyxml2::XMLElement *saveXML( tinyxml2::XMLNode *parent);
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virtual void loadXML(tinyxml2::XMLElement *e);
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virtual bool hasPhysics();
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virtual void physicsUpdate(float deltaTime);
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void render(KRCamera *pCamera, std::vector<KRPointLight *> &point_lights, std::vector<KRDirectionalLight *> &directional_lights, std::vector<KRSpotLight *>&spot_lights, const KRViewport &viewport, KRNode::RenderPass renderPass);
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void play();
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void stop();
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bool isPlaying();
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void setSample(const std::string &sound_name);
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std::string getSample();
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KRAudioSample *getAudioSample();
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float getGain();
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void setGain(float gain);
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float getPitch();
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void setPitch(float pitch);
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bool getLooping();
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void setLooping(bool looping);
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bool getIs3D();
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void setIs3D(bool is3D);
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// 3d only properties:
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float getReverb();
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void setReverb(float reverb);
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float getReferenceDistance();
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void setReferenceDistance(float reference_distance);
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float getRolloffFactor();
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void setRolloffFactor(float rolloff_factor);
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bool getEnableOcclusion();
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void setEnableOcclusion(bool enable_occlusion);
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bool getEnableObstruction();
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void setEnableObstruction(bool enable_obstruction);
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// ---- Siren Audio Engine Interface ----
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void advanceFrames(int frame_count);
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KRAudioBuffer *getBuffer();
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int getBufferFrame();
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__int64_t getStartAudioFrame();
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void sample(int frame_count, int channel, float *buffer, float gain);
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private:
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__int64_t m_start_audio_frame; // Global audio frame that matches the start of the audio sample playback
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int m_currentBufferFrame; // Siren Audio Engine frame number within current buffer
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void advanceBuffer();
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std::string m_audio_sample_name;
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KRAudioSample *m_audioFile;
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unsigned int m_sourceID;
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float m_gain;
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float m_pitch;
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bool m_looping;
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std::queue<KRAudioBuffer *> m_audioBuffers;
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int m_nextBufferIndex;
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bool m_playing;
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bool m_is3d;
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bool m_isPrimed;
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void prime();
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void queueBuffer();
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// 3d only properties:
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float m_referenceDistance;
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float m_reverb; // type ALfloat 0.0 (dry) - 1.0 (wet) (0-100% dry/wet mix, 0.0 default)
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float m_rolloffFactor;
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bool m_enable_occlusion;
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bool m_enable_obstruction;
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void updatePosition();
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};
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#endif /* defined(KRAUDIOSOURCE_H) */
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