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Now using scene graph nodes for instance and bound extents management.

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--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4035
This commit is contained in:
kearwood
2012-04-12 06:04:15 +00:00
parent d4b80212cc
commit ff9bd874d3
9 changed files with 113 additions and 116 deletions
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52
KREngine/KREngine/Classes/KRNode.cpp
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@@ -12,14 +12,17 @@
#import "KRPointLight.h"
#import "KRSpotLight.h"
#import "KRDirectionalLight.h"
#import "KRInstance.h"
KRNode::KRNode(std::string name)
{
m_pExtents = NULL;
m_name = name;
m_localScale = KRVector3(1.0f, 1.0f, 1.0f);
m_localRotation = KRVector3(0.0f, 0.0f, 0.0f);
m_localTranslation = KRVector3(0.0f, 0.0f, 0.0f);
m_parentNode = NULL;
}
KRNode::~KRNode() {
@@ -27,10 +30,14 @@ KRNode::~KRNode() {
delete *itr;
}
m_childNodes.clear();
clearExtents();
}
void KRNode::addChild(KRNode *child) {
assert(child->m_parentNode == NULL);
child->m_parentNode = this;
m_childNodes.push_back(child);
clearExtents();
}
tinyxml2::XMLElement *KRNode::saveXML(tinyxml2::XMLNode *parent) {
@@ -78,16 +85,20 @@ void KRNode::loadXML(tinyxml2::XMLElement *e) {
addChild(child_node);
}
}
clearExtents();
}
void KRNode::setLocalTranslation(const KRVector3 &v) {
m_localTranslation = v;
clearExtents();
}
void KRNode::setLocalScale(const KRVector3 &v) {
m_localScale = v;
clearExtents();
}
void KRNode::setLocalRotation(const KRVector3 &v) {
m_localRotation = v;
clearExtents();
}
const KRVector3 &KRNode::getLocalTranslation() {
@@ -117,6 +128,7 @@ KRNode *KRNode::LoadXML(tinyxml2::XMLElement *e) {
} else if(strcmp(szElementName, "spot_light") == 0) {
new_node = new KRSpotLight(szName);
} else if(strcmp(szElementName, "mesh") == 0) {
new_node = new KRInstance(szName, szName, KRMat4(), e->Attribute("light_map"));
}
@@ -127,3 +139,43 @@ KRNode *KRNode::LoadXML(tinyxml2::XMLElement *e) {
return new_node;
}
#if TARGET_OS_IPHONE
void KRNode::render(KRCamera *pCamera, KRModelManager *pModelManager, KRBoundingVolume &frustrumVolume, KRMaterialManager *pMaterialManager, bool bRenderShadowMap, KRMat4 &viewMatrix, KRVector3 &cameraPosition, KRVector3 &lightDirection, KRMat4 *pShadowMatrices, GLuint *shadowDepthTextures, int cShadowBuffers, KRShaderManager *pShaderManager, KRTextureManager *pTextureManager) {
for(std::vector<KRNode *>::iterator itr=m_childNodes.begin(); itr < m_childNodes.end(); ++itr) {
KRNode *child = (*itr);
child->render(pCamera, pModelManager, frustrumVolume, pMaterialManager, bRenderShadowMap, viewMatrix, cameraPosition, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers, pShaderManager, pTextureManager);
}
}
#endif
void KRNode::clearExtents() {
if(m_pExtents) {
delete m_pExtents;
m_pExtents = NULL;
}
if(m_parentNode) {
m_parentNode->clearExtents();
}
}
KRBoundingVolume KRNode::getExtents(KRModelManager *pModelManager) {
if(!m_pExtents) {
calcExtents(pModelManager);
}
return *m_pExtents;
}
void KRNode::calcExtents(KRModelManager *pModelManager) {
clearExtents();
for(std::vector<KRNode *>::iterator itr=m_childNodes.begin(); itr < m_childNodes.end(); ++itr) {
KRNode *child = (*itr);
if(m_pExtents) {
*m_pExtents = m_pExtents->get_union(child->getExtents(pModelManager));
} else {
m_pExtents = new KRBoundingVolume(child->getExtents(pModelManager));
}
}
}