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https://gitlab.com/OpenMW/openmw.git
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84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
#include "mwscene.hpp"
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#include <assert.h>
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#include "OgreRoot.h"
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#include "OgreRenderWindow.h"
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#include "OgreSceneManager.h"
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#include "OgreViewport.h"
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#include "OgreCamera.h"
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#include "OgreTextureManager.h"
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using namespace MWRender;
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using namespace Ogre;
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MWScene::MWScene(OEngine::Render::OgreRenderer &_rend)
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: rend(_rend)
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{
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rend.createScene("PlayerCam", 55, 5);
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// Set default mipmap level (NB some APIs ignore this)
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TextureManager::getSingleton().setDefaultNumMipmaps(5);
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// Load resources
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ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
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// Turn the entire scene (represented by the 'root' node) -90
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// degrees around the x axis. This makes Z go upwards, and Y go into
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// the screen (when x is to the right.) This is the orientation that
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// Morrowind uses, and it automagically makes everything work as it
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// should.
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SceneNode *rt = rend.getScene()->getRootSceneNode();
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mwRoot = rt->createChildSceneNode();
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mwRoot->pitch(Degree(-90));
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//used to obtain ingame information of ogre objects (which are faced or selected)
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mRaySceneQuery = rend.getScene()->createRayQuery(Ray());
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}
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std::pair<std::string, float> MWScene::getFacedHandle()
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{
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std::string handle = "";
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float distance = -1;
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//get a ray pointing to the center of the viewport
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Ray centerRay = getCamera()->getCameraToViewportRay(
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getViewport()->getWidth()/2,
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getViewport()->getHeight()/2);
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// get all objects touched by the ray
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getRaySceneQuery()->setRay (centerRay );
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RaySceneQueryResult &result = getRaySceneQuery()->execute();
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RaySceneQueryResult::iterator nearest = result.end();
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for (RaySceneQueryResult::iterator itr = result.begin();
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itr != result.end(); itr++ )
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{
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// there seem to be omnipresent objects like the caelum sky dom,
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// the distance of these objects is always 0 so this if excludes these
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// TODO: Check if the object can be focused (ignore walls etc..
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// in this state of openmw not possible)
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if ( itr->movable && itr->distance >= 0.1)
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{
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if ( nearest == result.end() ) //if no object is set
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{
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nearest = itr;
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}
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else if ( itr->distance < nearest->distance )
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{
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nearest = itr;
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}
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}
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}
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if ( nearest != result.end() )
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{
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handle = nearest->movable->getParentSceneNode()->getName();
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distance = nearest->distance;
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}
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return std::pair<std::string, float>(handle, distance);
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}
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