Organized project to be more portable and require fewer steps to integrate into application projects in Xcode.
Moved standard assets into bundles
This commit is contained in:
441
KREngine/kraken/KRAudioSource.cpp
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441
KREngine/kraken/KRAudioSource.cpp
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//
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// KRAudioSource.cpp
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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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#include "KRAudioSource.h"
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#include "KRContext.h"
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#include "KRAudioManager.h"
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#include "KRAudioSample.h"
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#include "KRAudioBuffer.h"
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OSStatus alcASASetSourceProc(const ALuint property, ALuint source, ALvoid *data, ALuint dataSize);
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KRAudioSource::KRAudioSource(KRScene &scene, std::string name) : KRNode(scene, name)
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{
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m_playing = false;
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m_is3d = true;
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m_isPrimed = false;
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m_audioFile = NULL;
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m_sourceID = 0;
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m_gain = 1.0f;
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m_pitch = 1.0f;
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m_looping = false;
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m_referenceDistance = 1.0f;
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m_reverb = 0.0f;
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m_rolloffFactor = 2.0f;
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m_enable_occlusion = true;
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m_enable_obstruction = true;
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}
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KRAudioSource::~KRAudioSource()
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{
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if(m_sourceID) {
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getContext().getAudioManager()->makeCurrentContext();
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ALDEBUG(alDeleteSources(1, &m_sourceID));
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m_sourceID = 0;
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}
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while(m_audioBuffers.size()) {
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delete m_audioBuffers.front();
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m_audioBuffers.pop();
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}
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}
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std::string KRAudioSource::getElementName() {
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return "audio_source";
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}
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tinyxml2::XMLElement *KRAudioSource::saveXML( tinyxml2::XMLNode *parent)
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{
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tinyxml2::XMLElement *e = KRNode::saveXML(parent);
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e->SetAttribute("sample", m_audio_sample_name.c_str());
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e->SetAttribute("gain", m_gain);
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e->SetAttribute("pitch", m_pitch);
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e->SetAttribute("looping", m_looping ? "true" : "false");
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e->SetAttribute("is3d", m_is3d ? "true" : "false");
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e->SetAttribute("reference_distance", &m_referenceDistance);
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e->SetAttribute("reverb", &m_reverb);
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e->SetAttribute("rolloff_factor", &m_rolloffFactor);
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e->SetAttribute("enable_occlusion", m_enable_occlusion ? "true" : "false");
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e->SetAttribute("enable_obstruction", m_enable_obstruction ? "true" : "false");
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return e;
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}
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void KRAudioSource::loadXML(tinyxml2::XMLElement *e)
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{
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m_audio_sample_name = e->Attribute("sample");
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float gain = 1.0f;
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if(e->QueryFloatAttribute("gain", &gain) != tinyxml2::XML_SUCCESS) {
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gain = 1.0f;
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}
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setGain(gain);
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float pitch = 1.0f;
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if(e->QueryFloatAttribute("pitch", &pitch) != tinyxml2::XML_SUCCESS) {
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pitch = 1.0f;
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}
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setPitch(m_pitch);
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bool looping = false;
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if(e->QueryBoolAttribute("looping", &looping) != tinyxml2::XML_SUCCESS) {
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looping = false;
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}
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setLooping(looping);
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bool is3d = true;
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if(e->QueryBoolAttribute("is3d", &is3d) != tinyxml2::XML_SUCCESS) {
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is3d = true;
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}
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setIs3D(is3d);
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float reference_distance = 1.0f;
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if(e->QueryFloatAttribute("reference_distance", &reference_distance) != tinyxml2::XML_SUCCESS) {
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reference_distance = 1.0f;
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}
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setReferenceDistance(reference_distance);
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float reverb = 0.0f;
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if(e->QueryFloatAttribute("reverb", &reverb) != tinyxml2::XML_SUCCESS) {
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reverb = 0.0f;
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}
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setReverb(reverb);
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float rolloff_factor = 2.0f;
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if(e->QueryFloatAttribute("rolloff_factor", &rolloff_factor) != tinyxml2::XML_SUCCESS) {
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rolloff_factor = 2.0f;
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}
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setRolloffFactor(rolloff_factor);
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m_enable_obstruction = true;
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if(e->QueryBoolAttribute("enable_obstruction", &m_enable_obstruction) != tinyxml2::XML_SUCCESS) {
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m_enable_obstruction = true;
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}
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m_enable_occlusion = true;
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if(e->QueryBoolAttribute("enable_occlusion", &m_enable_occlusion) != tinyxml2::XML_SUCCESS) {
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m_enable_occlusion = true;
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}
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KRNode::loadXML(e);
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}
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void KRAudioSource::prime()
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{
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if(!m_isPrimed) {
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if(m_audioFile == NULL && m_audio_sample_name.size() != 0) {
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m_audioFile = getContext().getAudioManager()->get(m_audio_sample_name);
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}
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if(m_audioFile) {
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getContext().getAudioManager()->makeCurrentContext();
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// Initialize audio source
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m_sourceID = 0;
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ALDEBUG(alGenSources(1, &m_sourceID));
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// Prime the buffer queue
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m_nextBufferIndex = 0;
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for(int i=0; i < KRENGINE_AUDIO_BUFFERS_PER_SOURCE; i++) {
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queueBuffer();
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}
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//alSourcei(_sourceID, AL_BUFFER, firstBuffer.bufferID);
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ALDEBUG(alSourcef(m_sourceID, AL_PITCH, m_pitch));
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ALDEBUG(alSourcei(m_sourceID, AL_LOOPING, m_looping && m_audioFile->getBufferCount() == 1));
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ALDEBUG(alSourcef(m_sourceID, AL_GAIN, m_gain));
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m_isPrimed = true;
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}
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}
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}
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void KRAudioSource::queueBuffer()
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{
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KRAudioBuffer *buffer = m_audioFile->getBuffer(m_nextBufferIndex);
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m_audioBuffers.push(buffer);
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ALuint buffer_ids[1];
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buffer_ids[0] = buffer->getBufferID();
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ALDEBUG(alSourceQueueBuffers(m_sourceID, 1, buffer_ids));
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m_nextBufferIndex = (m_nextBufferIndex + 1) % m_audioFile->getBufferCount();
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}
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void KRAudioSource::render(KRCamera *pCamera, std::vector<KRLight *> &lights, const KRViewport &viewport, KRNode::RenderPass renderPass)
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{
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KRNode::render(pCamera, lights, viewport, renderPass);
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bool bVisualize = false;
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if(renderPass == KRNode::RENDER_PASS_FORWARD_TRANSPARENT && bVisualize) {
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KRMat4 sphereModelMatrix = getModelMatrix();
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KRShader *pShader = getContext().getShaderManager()->getShader("visualize_overlay", pCamera, lights, 0, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, renderPass);
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if(getContext().getShaderManager()->selectShader(*pCamera, pShader, viewport, sphereModelMatrix, lights, 0, renderPass)) {
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// Enable additive blending
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GLDEBUG(glEnable(GL_BLEND));
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GLDEBUG(glBlendFunc(GL_ONE, GL_ONE));
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// Disable z-buffer write
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GLDEBUG(glDepthMask(GL_FALSE));
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// Enable z-buffer test
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GLDEBUG(glEnable(GL_DEPTH_TEST));
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GLDEBUG(glDepthFunc(GL_LEQUAL));
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GLDEBUG(glDepthRangef(0.0, 1.0));
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std::vector<KRMesh *> sphereModels = getContext().getModelManager()->getModel("__sphere");
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if(sphereModels.size()) {
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for(int i=0; i < sphereModels[0]->getSubmeshCount(); i++) {
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sphereModels[0]->renderSubmesh(i);
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}
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}
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// Enable alpha blending
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GLDEBUG(glEnable(GL_BLEND));
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GLDEBUG(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
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}
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}
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}
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void KRAudioSource::setGain(float gain)
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{
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m_gain = gain;
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if(m_isPrimed) {
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getContext().getAudioManager()->makeCurrentContext();
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alSourcef(m_sourceID, AL_GAIN, m_gain);
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}
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}
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float KRAudioSource::getGain()
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{
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return m_gain;
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}
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void KRAudioSource::setPitch(float pitch)
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{
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m_pitch = pitch;
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if(m_isPrimed ) {
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getContext().getAudioManager()->makeCurrentContext();
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alSourcef(m_sourceID, AL_PITCH, m_pitch);
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}
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}
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float KRAudioSource::getReferenceDistance()
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{
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return m_referenceDistance;
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}
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void KRAudioSource::setReferenceDistance(float reference_distance)
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{
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m_referenceDistance = reference_distance;
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if(m_isPrimed && m_is3d) {
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getContext().getAudioManager()->makeCurrentContext();
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ALDEBUG(alSourcef(m_sourceID, AL_REFERENCE_DISTANCE, m_referenceDistance));
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}
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}
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float KRAudioSource::getReverb()
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{
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return m_reverb;
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}
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void KRAudioSource::setReverb(float reverb)
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{
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m_reverb = reverb;
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if(m_isPrimed && m_is3d) {
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getContext().getAudioManager()->makeCurrentContext();
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ALDEBUG(alcASASetSourceProc(ALC_ASA_REVERB_SEND_LEVEL, m_sourceID, &m_reverb, sizeof(m_reverb)));
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}
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}
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float KRAudioSource::getRolloffFactor()
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{
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return m_rolloffFactor;
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}
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void KRAudioSource::setRolloffFactor(float rolloff_factor)
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{
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m_rolloffFactor = rolloff_factor;
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if(m_isPrimed && m_is3d) {
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getContext().getAudioManager()->makeCurrentContext();
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ALDEBUG(alSourcef(m_sourceID, AL_ROLLOFF_FACTOR, m_rolloffFactor));
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}
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}
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void KRAudioSource::setLooping(bool looping)
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{
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m_looping = looping;
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// Audio source must be stopped and re-started for loop mode changes to take effect
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}
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bool KRAudioSource::getLooping()
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{
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return m_looping;
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}
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bool KRAudioSource::getEnableOcclusion()
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{
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return m_enable_occlusion;
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}
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void KRAudioSource::setEnableOcclusion(bool enable_occlusion)
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{
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m_enable_occlusion = enable_occlusion;
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}
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bool KRAudioSource::getEnableObstruction()
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{
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return m_enable_obstruction;
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}
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void KRAudioSource::setEnableObstruction(bool enable_obstruction)
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{
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m_enable_obstruction = enable_obstruction;
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}
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bool KRAudioSource::getIs3D()
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{
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return m_is3d;
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}
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void KRAudioSource::setIs3D(bool is3D)
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{
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// Audio source must be stopped and re-started for mode change to take effect
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m_is3d = is3D;
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}
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bool KRAudioSource::hasPhysics()
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{
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return true;
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}
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void KRAudioSource::physicsUpdate(float deltaTime)
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{
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if(m_isPrimed && m_playing) {
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getContext().getAudioManager()->makeCurrentContext();
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updatePosition();
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ALint processed_count = 0;
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ALDEBUG(alGetSourcei(m_sourceID, AL_BUFFERS_PROCESSED, &processed_count));
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while(processed_count-- > 0) {
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ALuint finished_buffer = 0;
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ALDEBUG(alSourceUnqueueBuffers(m_sourceID, 1, &finished_buffer));
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delete m_audioBuffers.front();
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m_audioBuffers.pop();
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queueBuffer();
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}
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ALint val;
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// Make sure the source is still playing, and restart it if needed.
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ALDEBUG(alGetSourcei(m_sourceID, AL_SOURCE_STATE, &val));
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ALDEBUG(if(val != AL_PLAYING) alSourcePlay(m_sourceID));
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}
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}
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void KRAudioSource::play()
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{
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getContext().getAudioManager()->makeCurrentContext();
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prime();
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updatePosition();
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if(m_is3d) {
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ALDEBUG(alSource3f(m_sourceID, AL_VELOCITY, 0.0f, 0.0f, 0.0f));
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ALDEBUG(alSourcef(m_sourceID, AL_REFERENCE_DISTANCE, m_referenceDistance));
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ALDEBUG(alSourcef(m_sourceID, AL_ROLLOFF_FACTOR, m_rolloffFactor));
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ALDEBUG(alcASASetSourceProc(ALC_ASA_REVERB_SEND_LEVEL, m_sourceID, &m_reverb, sizeof(m_reverb)));
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// ALDEBUG(alSourcei(m_sourceID, AL_SOURCE_RELATIVE, AL_FALSE));
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} else {
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ALDEBUG(alSourcei(m_sourceID, AL_SOURCE_RELATIVE, AL_TRUE));
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ALDEBUG(alSource3f(m_sourceID, AL_POSITION, 0.0, 0.0, 0.0));
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}
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ALDEBUG(alSourcePlay(m_sourceID));
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m_playing = true;
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}
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void KRAudioSource::stop()
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{
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}
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bool KRAudioSource::isPlaying()
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{
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return m_playing;
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}
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void KRAudioSource::setSample(const std::string &sound_name)
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{
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m_audio_sample_name = sound_name;
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}
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std::string KRAudioSource::getSample()
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{
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return m_audio_sample_name;
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}
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void KRAudioSource::updatePosition()
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{
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if(m_is3d) {
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ALfloat occlusion = 0.0f; // type ALfloat -100.0 db (most occlusion) - 0.0 db (no occlusion, 0.0 default)
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ALfloat obstruction = 0.0f; // type ALfloat -100.0 db (most obstruction) - 0.0 db (no obstruction, 0.0 default)
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KRVector3 worldPosition = getWorldTranslation();
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worldPosition = KRVector3(0.0, 0.0, 0.0); // FINDME - HACK - TEST CODE
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ALDEBUG(alSource3f(m_sourceID, AL_POSITION, worldPosition.x, worldPosition.y, worldPosition.z));
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ALDEBUG(alSourcef(m_sourceID, AL_GAIN, m_gain));
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ALDEBUG(alSourcef(m_sourceID, AL_MIN_GAIN, 0.0));
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ALDEBUG(alSourcef(m_sourceID, AL_MAX_GAIN, 1.0));
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ALDEBUG(alcASASetSourceProc(ALC_ASA_OCCLUSION, m_sourceID, &occlusion, sizeof(occlusion)));
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ALDEBUG(alcASASetSourceProc(ALC_ASA_OBSTRUCTION, m_sourceID, &obstruction, sizeof(obstruction)));
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ALDEBUG(alcASASetSourceProc(ALC_ASA_REVERB_SEND_LEVEL, m_sourceID, &m_reverb, sizeof(m_reverb)));
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}
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}
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OSStatus alcASASetSourceProc(const ALuint property, ALuint source, ALvoid *data, ALuint dataSize)
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{
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OSStatus err = noErr;
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static alcASASetSourceProcPtr proc = NULL;
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if (proc == NULL) {
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proc = (alcASASetSourceProcPtr) alcGetProcAddress(NULL, (const ALCchar*) "alcASASetSource");
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}
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if (proc)
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err = proc(property, source, data, dataSize);
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return (err);
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}
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Reference in New Issue
Block a user