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#include "ModelMountTestCase.h"
#include "components/ogre/model/ModelMount.h"
#include "components/ogre/model/Model.h"
#include "components/ogre/model/ModelDefinition.h"
#include "components/ogre/SceneNodeProvider.h"
#include <Ogre.h>
#include <wfmath/axisbox.h>
#include <wfmath/point.h>
using namespace Ember::OgreView;
using namespace WFMath;
namespace Ember
{
/**
* Checks equality with an epsilon of 0.00001f.
* This is suited for sizes between 0 and 100.
* @param v1
* @param v2
* @return True if the vectors was considered to be equal.
*/
bool equals(const Ogre::Vector3& v1, const Ogre::Vector3& v2)
{
return (std::abs(v1.x - v2.x) < 0.00001f) &&
(std::abs(v1.y - v2.y) < 0.00001f) &&
(std::abs(v1.z - v2.z) < 0.00001f);
}
class TestModel: public Model::Model
{
public:
Ogre::AxisAlignedBox bbox;
TestModel() :
Model::Model("testmodel")
{
mDefinition = ::Ember::OgreView::Model::ModelDefinitionPtr(new ::Ember::OgreView::Model::ModelDefinition(0, "modeldef", 1, ""));
mDefinition->setTranslate(Ogre::Vector3::ZERO);
}
const Ogre::AxisAlignedBox& getBoundingBox(void) const
{
return bbox;
}
};
void scaleAndTestMount(TestModel& model, Model::ModelMount& mount, const Ogre::Node& node)
{
WFMath::AxisBox<3> axisBox(WFMath::Point<3>(0, 0, 0), WFMath::Point<3>(10.0f, 10.0f, 10.0f));
model.bbox = Ogre::AxisAlignedBox(Ogre::Vector3(0, 0, 0), Ogre::Vector3(5.0f, 5.0f, 5.0f));
mount.rescale(&axisBox);
CPPUNIT_ASSERT(equals(node.getScale(), Ogre::Vector3(2.0f, 2.0f, 2.0f)));
model.bbox = Ogre::AxisAlignedBox(Ogre::Vector3(0, 0, 0), Ogre::Vector3(20.0f, 20.0f, 20.0f));
mount.rescale(&axisBox);
CPPUNIT_ASSERT(equals(node.getScale(), Ogre::Vector3(0.5f, 0.5f, 0.5f)));
model.bbox = Ogre::AxisAlignedBox(Ogre::Vector3(10.0f, 10.0f, 10.0f), Ogre::Vector3(20.0f, 20.0f, 20.0f));
mount.rescale(&axisBox);
CPPUNIT_ASSERT(equals(node.getScale(), Ogre::Vector3(1.0f, 1.0f, 1.0f)));
model.bbox = Ogre::AxisAlignedBox(Ogre::Vector3(0, 10.0f, 15.0f), Ogre::Vector3(20.0f, 20.0f, 20.0f));
mount.rescale(&axisBox);
CPPUNIT_ASSERT(equals(node.getScale(), Ogre::Vector3(2.0f, 1.0f, 0.5f)));
}
void ModelMountTestCase::testModelMountScaling()
{
Ogre::Root root;
Ogre::SceneManager* sceneManager = root.createSceneManager(Ogre::ST_GENERIC);
TestModel model;
//First test with a straight forward case.
Ogre::SceneNode* node = sceneManager->getRootSceneNode()->createChildSceneNode();
//We get an error when it's destroyed. So we don't destroy it.
SceneNodeProvider* nodeProvider = new SceneNodeProvider(*node, &model);
Model::ModelMount mount(model, nodeProvider);
scaleAndTestMount(model, mount, nodeProvider->getNode());
//Test with the parent node being scaled
node->setScale(Ogre::Vector3(3.0f, 0.2f, 200.0f));
Ogre::SceneNode* subNode = node->createChildSceneNode();
nodeProvider = new SceneNodeProvider(*subNode, &model);
Model::ModelMount mount2(model, nodeProvider);
scaleAndTestMount(model, mount2, nodeProvider->getNode());
//Test with the parent node being scaled and rotated
node->setScale(Ogre::Vector3(3.0f, 0.2f, 200.0f));
node->yaw(Ogre::Degree(42));
node->pitch(Ogre::Degree(76));
node->roll(Ogre::Degree(98));
subNode = node->createChildSceneNode();
nodeProvider = new SceneNodeProvider(*subNode, &model);
Model::ModelMount mount3(model, nodeProvider);
scaleAndTestMount(model, mount3, nodeProvider->getNode());
}
}
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