Added KRCollider class

--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%40182

KREngine/KREngine/Classes/KRCollider.cpp

@@ -0,0 +1,75 @@
+//
+//  KRCollider.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 <iostream>
+#include "KRCollider.h"
+#import "KRContext.h"
+#import "KRModel.h"
+#import "KRQuaternion.h"
+#include <assert.h>
+
+KRCollider::KRCollider(KRScene &scene, std::string collider_name, std::string model_name) : KRNode(scene, collider_name) {
+    m_model_name = model_name;
+}
+
+KRCollider::~KRCollider() {
+    
+}
+
+std::string KRCollider::getElementName() {
+    return "collider";
+}
+
+tinyxml2::XMLElement *KRCollider::saveXML( tinyxml2::XMLNode *parent)
+{
+    tinyxml2::XMLElement *e = KRNode::saveXML(parent);
+    e->SetAttribute("collider_name", m_model_name.c_str());
+    return e;
+}
+
+void KRCollider::loadModel() {
+    if(m_models.size() == 0) {
+        m_models = m_pContext->getModelManager()->getModel(m_model_name.c_str()); // The model manager returns the LOD levels in sorted order, with the highest detail first
+        if(m_models.size() > 0) {
+            getScene().notify_sceneGraphModify(this);
+        }
+    }
+}
+
+KRAABB KRCollider::getBounds() {
+    loadModel();
+    if(m_models.size() > 0) {
+            return KRAABB(m_models[0]->getMinPoint(), m_models[0]->getMaxPoint(), getModelMatrix());
+    } else {
+        return KRAABB::Infinite();
+    }
+}
+

KREngine/KREngine/Classes/KRCollider.h

@@ -0,0 +1,65 @@
+//
+//  KRCollider.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.
+//
+
+#import "KREngine-common.h"
+
+#ifndef __KREngine__KRCollider__
+#define __KREngine__KRCollider__
+
+#import "KRModel.h"
+#import "KRMat4.h"
+#import "KRVector3.h"
+#import "KRInstance.h"
+#import "KRCamera.h"
+#import "KRModelManager.h"
+#import "KRNode.h"
+#import "KRContext.h"
+#import "KRModel.h"
+#import "KRTexture.h"
+
+class KRCollider : public KRNode {
+    
+public:
+    KRCollider(KRScene &scene, std::string collider_name, std::string model_name);
+    virtual ~KRCollider();
+    
+    virtual std::string getElementName();
+    virtual tinyxml2::XMLElement *saveXML( tinyxml2::XMLNode *parent);
+    virtual KRAABB getBounds();
+    
+private:
+    std::vector<KRModel *> m_models;
+    std::string m_model_name;
+    
+    void loadModel();
+};
+
+#endif /* defined(__KREngine__KRCollider__) */

KREngine/KREngine/Classes/KRNode.cpp

@@ -15,6 +15,7 @@
 #import "KRSpotLight.h"
 #import "KRDirectionalLight.h"
 #import "KRInstance.h"
+#import "KRCollider.h"
 #import "KRParticleSystem.h"
 #import "KRParticleSystemNewtonian.h"
 #import "KRAABB.h"
@@ -172,6 +173,8 @@ KRNode *KRNode::LoadXML(KRScene &scene, tinyxml2::XMLElement *e) {
             faces_camera = false;
         }
         new_node = new KRInstance(scene, szName, e->Attribute("mesh_name"), e->Attribute("light_map"), lod_min_coverage, receives_shadow, faces_camera);
+    } else if(strcmp(szElementName, "collider") == 0) {
+        new_node = new KRCollider(scene, szName, e->Attribute("collider_name"));
     } else if(strcmp(szElementName, "bone") == 0) {
         new_node = new KRBone(scene, szName);
     }