Integrating audio engine

--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%40208

KREngine/KREngine/Classes/KRAudioSource.cpp

@@ -0,0 +1,126 @@
+//
+//  KRAudioSource.cpp
+//  KREngine
+//
+//  Copyright 2012 Kearwood Gilbert. All rights reserved.
+//
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#include "KRAudioSource.h"
+#include "KRContext.h"
+
+KRAudioSource::KRAudioSource(KRScene &scene, std::string name) : KRNode(scene, name)
+{
+    
+}
+
+KRAudioSource::~KRAudioSource()
+{
+}
+
+std::string KRAudioSource::getElementName() {
+    return "audio_source";
+}
+
+tinyxml2::XMLElement *KRAudioSource::saveXML( tinyxml2::XMLNode *parent)
+{
+    tinyxml2::XMLElement *e = KRNode::saveXML(parent);
+    e->SetAttribute("sound", m_sound.c_str());
+    return e;
+}
+
+void KRAudioSource::loadXML(tinyxml2::XMLElement *e)
+{
+    m_sound = e->Attribute("sound");
+    KRNode::loadXML(e);
+}
+
+
+void KRAudioSource::render(KRCamera *pCamera, std::vector<KRLight *> &lights, const KRViewport &viewport, KRNode::RenderPass renderPass)
+{
+    
+    KRNode::render(pCamera, lights, viewport, renderPass);
+    
+    bool bVisualize = false;
+    
+    if(renderPass == KRNode::RENDER_PASS_FORWARD_TRANSPARENT && bVisualize) {
+        KRMat4 sphereModelMatrix = getModelMatrix();
+        
+        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);
+        
+        if(getContext().getShaderManager()->selectShader(*pCamera, pShader, viewport, sphereModelMatrix, lights, 0, renderPass)) {
+            
+            // Enable additive blending
+            GLDEBUG(glEnable(GL_BLEND));
+            GLDEBUG(glBlendFunc(GL_ONE, GL_ONE));
+            
+            
+            // Disable z-buffer write
+            GLDEBUG(glDepthMask(GL_FALSE));
+            
+            // Enable z-buffer test
+            GLDEBUG(glEnable(GL_DEPTH_TEST));
+            GLDEBUG(glDepthFunc(GL_LEQUAL));
+            GLDEBUG(glDepthRangef(0.0, 1.0));
+            std::vector<KRModel *> sphereModels = getContext().getModelManager()->getModel("__sphere");
+            if(sphereModels.size()) {
+                for(int i=0; i < sphereModels[0]->getSubmeshCount(); i++) {
+                    sphereModels[0]->renderSubmesh(i);
+                }
+            }
+            
+            // Enable alpha blending
+            GLDEBUG(glEnable(GL_BLEND));
+            GLDEBUG(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
+        }
+    }
+}
+
+void KRAudioSource::play()
+{
+    
+}
+
+void KRAudioSource::stop()
+{
+    
+}
+
+bool KRAudioSource::isPlaying()
+{
+    return false;
+}
+
+
+void KRAudioSource::setSound(const std::string &sound_name)
+{
+    m_sound = sound_name;
+}
+
+std::string KRAudioSource::getSound()
+{
+    return m_sound;
+}

KREngine/KREngine/Classes/KRAudioSource.h

@@ -0,0 +1,58 @@
+//
+//  KRAudioSource.h
+//  KREngine
+//
+//  Copyright 2012 Kearwood Gilbert. All rights reserved.
+//
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#ifndef KRAUDIOSOURCE_H
+#define KRAUDIOSOURCE_H
+
+#import "KRResource.h"
+#import "KRNode.h"
+#import "KRTexture.h"
+
+class KRAudioSource : public KRNode {
+public:
+    KRAudioSource(KRScene &scene, std::string name);
+    virtual ~KRAudioSource();
+    virtual std::string getElementName();
+    virtual tinyxml2::XMLElement *saveXML( tinyxml2::XMLNode *parent);
+    virtual void loadXML(tinyxml2::XMLElement *e);
+    
+    void render(KRCamera *pCamera, std::vector<KRLight *> &lights, const KRViewport &viewport, KRNode::RenderPass renderPass);
+    void play();
+    void stop();
+    bool isPlaying();
+    void setSound(const std::string &sound_name);
+    std::string getSound();
+    
+private:
+    std::string m_sound;
+};
+
+#endif /* defined(KRAUDIOSOURCE_H) */

KREngine/KREngine/Classes/KRNode.cpp

@@ -21,6 +21,7 @@
 #import "KRAABB.h"
 #import "KRQuaternion.h"
 #import "KRBone.h"
+#import "KRAudioSource.h"
 
 
 KRNode::KRNode(KRScene &scene, std::string name) : KRContextObject(scene.getContext())
@@ -234,6 +235,8 @@ KRNode *KRNode::LoadXML(KRScene &scene, tinyxml2::XMLElement *e) {
         new_node = new KRCollider(scene, szName, e->Attribute("collider_name"));
     } else if(strcmp(szElementName, "bone") == 0) {
         new_node = new KRBone(scene, szName);
+    } else if(strcmp(szElementName, "audio_source") == 0) {
+        new_node = new KRAudioSource(scene, szName);
     }
     
     if(new_node) {