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https://github.com/worldforge/ember
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c6641b7d0e
Since it's so much faster than the previous approach. This also allows us to use it for camera movement.
104 lines
3.5 KiB
C++
104 lines
3.5 KiB
C++
#include "ModelMountTestCase.h"
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#include "components/ogre/model/ModelMount.h"
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#include "components/ogre/model/Model.h"
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#include "components/ogre/model/ModelDefinition.h"
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#include "components/ogre/SceneNodeProvider.h"
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#include <Ogre.h>
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#include <wfmath/axisbox.h>
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#include <wfmath/point.h>
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using namespace Ember::OgreView;
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using namespace WFMath;
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namespace Ember
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{
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/**
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* Checks equality with an epsilon of 0.00001f.
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* This is suited for sizes between 0 and 100.
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* @param v1
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* @param v2
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* @return True if the vectors was considered to be equal.
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*/
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bool equals(const Ogre::Vector3& v1, const Ogre::Vector3& v2)
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{
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return (std::abs(v1.x - v2.x) < 0.00001f) &&
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(std::abs(v1.y - v2.y) < 0.00001f) &&
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(std::abs(v1.z - v2.z) < 0.00001f);
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}
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class TestModel: public Model::Model
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{
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public:
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Ogre::ManualObject* manualObject = new Ogre::ManualObject("");
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TestModel(Ogre::SceneManager& manager) :
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Model::Model(manager, ::Ember::OgreView::Model::ModelDefinitionPtr(new ::Ember::OgreView::Model::ModelDefinition()), "testmodel")
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{
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mDefinition->setTranslate(Ogre::Vector3::ZERO);
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mLoaded = true;
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mMovableObjects.push_back(manualObject);
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}
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};
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void scaleAndTestMount(TestModel& model, Model::ModelMount& mount, const Ogre::Node* node)
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{
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WFMath::AxisBox<3> axisBox(WFMath::Point<3>(0, 0, 0), WFMath::Point<3>(10.0f, 10.0f, 10.0f));
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model.manualObject->setBoundingBox(Ogre::AxisAlignedBox(Ogre::Vector3(0, 0, 0), Ogre::Vector3(5.0f, 5.0f, 5.0f)));
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mount.rescale(&axisBox);
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CPPUNIT_ASSERT(equals(node->getScale(), Ogre::Vector3(2.0f, 2.0f, 2.0f)));
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model.manualObject->setBoundingBox(Ogre::AxisAlignedBox(Ogre::Vector3(0, 0, 0), Ogre::Vector3(20.0f, 20.0f, 20.0f)));
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mount.rescale(&axisBox);
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CPPUNIT_ASSERT(equals(node->getScale(), Ogre::Vector3(0.5f, 0.5f, 0.5f)));
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model.manualObject->setBoundingBox(Ogre::AxisAlignedBox(Ogre::Vector3(10.0f, 10.0f, 10.0f), Ogre::Vector3(20.0f, 20.0f, 20.0f)));
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mount.rescale(&axisBox);
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CPPUNIT_ASSERT(equals(node->getScale(), Ogre::Vector3(1.0f, 1.0f, 1.0f)));
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model.manualObject->setBoundingBox(Ogre::AxisAlignedBox(Ogre::Vector3(0, 10.0f, 15.0f), Ogre::Vector3(20.0f, 20.0f, 20.0f)));
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mount.rescale(&axisBox);
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CPPUNIT_ASSERT(equals(node->getScale(), Ogre::Vector3(0.5f, 1.0f, 2.0f)));
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}
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void ModelMountTestCase::testModelMountScaling()
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{
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Ogre::Root root;
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Ogre::SceneManager* sceneManager = root.createSceneManager(Ogre::DefaultSceneManagerFactory::FACTORY_TYPE_NAME);
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TestModel model(*sceneManager);
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//First test with a straight forward case.
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Ogre::SceneNode* node = sceneManager->getRootSceneNode()->createChildSceneNode();
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//We get an error when it's destroyed. So we don't destroy it.
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SceneNodeProvider* nodeProvider = new SceneNodeProvider(node, nullptr);
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Model::ModelMount mount(model, nodeProvider);
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scaleAndTestMount(model, mount, nodeProvider->getNode());
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//Test with the parent node being scaled
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node->setScale(Ogre::Vector3(3.0f, 0.2f, 200.0f));
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Ogre::SceneNode* subNode = node->createChildSceneNode();
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nodeProvider = new SceneNodeProvider(subNode, nullptr);
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Model::ModelMount mount2(model, nodeProvider);
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scaleAndTestMount(model, mount2, nodeProvider->getNode());
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//Test with the parent node being scaled and rotated
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node->setScale(Ogre::Vector3(3.0f, 0.2f, 200.0f));
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node->yaw(Ogre::Degree(42));
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node->pitch(Ogre::Degree(76));
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node->roll(Ogre::Degree(98));
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subNode = node->createChildSceneNode();
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nodeProvider = new SceneNodeProvider(subNode, nullptr);
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Model::ModelMount mount3(model, nodeProvider);
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scaleAndTestMount(model, mount3, nodeProvider->getNode());
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}
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}
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