Files
kraken/KREngine/KREngine/Classes/KRInstance.cpp
kearwood e60aac615a Refactored in preparation for FBX file format support
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extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%409
2012-03-15 19:19:23 +00:00

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//
// KRInstance.cpp
// KREngine
//
// Copyright 2011 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>
#import "KRInstance.h"
KRInstance::KRInstance(KRModel *pModel, const KRMat4 modelMatrix) {
m_pModel = pModel;
m_modelMatrix = modelMatrix;
}
KRInstance::~KRInstance() {
}
KRMat4 &KRInstance::getModelMatrix() {
return m_modelMatrix;
}
KRModel *KRInstance::getModel() {
return m_pModel;
}
void KRInstance::render(KRCamera *pCamera, KRMaterialManager *pMaterialManager, bool bRenderShadowMap, KRMat4 &viewMatrix, Vector3 &cameraPosition, Vector3 &lightDirection, KRMat4 *pShadowMatrices, GLuint *shadowDepthTextures, int cShadowBuffers) {
KRMat4 projectionMatrix;
if(!bRenderShadowMap) {
projectionMatrix = pCamera->getProjectionMatrix();
}
KRMat4 mvpmatrix = m_modelMatrix * viewMatrix * projectionMatrix;
// Transform location of camera to object space for calculation of specular halfVec
KRMat4 inverseModelMatrix = m_modelMatrix;
inverseModelMatrix.invert();
Vector3 cameraPosObject = inverseModelMatrix.dot(cameraPosition);
Vector3 lightDirObject = inverseModelMatrix.dot(lightDirection);
m_pModel->render(pCamera, pMaterialManager, bRenderShadowMap, mvpmatrix, cameraPosObject, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers);
}
KRBoundingVolume KRInstance::getExtents() {
KRMesh *pMesh = m_pModel->getMesh();
return KRBoundingVolume(Vector3(pMesh->getMinX(), pMesh->getMinY(), pMesh->getMinZ()), Vector3(pMesh->getMaxX(), pMesh->getMaxY(), pMesh->getMaxZ()), m_modelMatrix);
}