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Object placement raycasts should use the rendering meshes

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c++11
scrawl 10 years ago
parent d8d43f94b9
commit ddfed35d1c
3 changed files with 79 additions and 68 deletions
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96
apps/openmw/mwrender/renderingmanager.cpp
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@ -438,21 +438,6 @@ namespace MWRender
mViewer->getCamera()->setCullMask(oldCullMask);
}
void RenderingManager::getCameraToViewportRay(float nX, float nY, osg::Vec3f &origin, osg::Vec3f &dest)
{
osg::Matrix viewProj = mViewer->getCamera()->getViewMatrix() * mViewer->getCamera()->getProjectionMatrix();
osg::Matrix invViewProj = viewProj.inverse(viewProj);
nX = nX * 2 - 1;
nY = nY * -2 + 1;
osg::Vec3f start (nX, nY, -1.f);
osg::Vec3f end (nX, nY, 1.f);
origin = invViewProj.preMult(start);
dest = invViewProj.preMult(end);
}
osg::Vec4f RenderingManager::getScreenBounds(const MWWorld::Ptr& ptr)
{
if (!ptr.getRefData().getBaseNode())
@ -487,7 +472,61 @@ namespace MWRender
return osg::Vec4f(min_x, min_y, max_x, max_y);
}
MWWorld::Ptr RenderingManager::getFacedObject(const float nX, const float nY, float maxDistance, bool ignorePlayer)
RenderingManager::RayResult getIntersectionResult (osgUtil::LineSegmentIntersector* intersector)
{
RenderingManager::RayResult result;
result.mHit = false;
if (intersector->containsIntersections())
{
result.mHit = true;
osgUtil::LineSegmentIntersector::Intersection intersection = intersector->getFirstIntersection();
result.mHitPointWorld = intersection.getWorldIntersectPoint();
result.mHitNormalWorld = intersection.getWorldIntersectNormal();
PtrHolder* ptrHolder = NULL;
for (osg::NodePath::const_iterator it = intersection.nodePath.begin(); it != intersection.nodePath.end(); ++it)
{
osg::UserDataContainer* userDataContainer = (*it)->getUserDataContainer();
if (!userDataContainer)
continue;
for (unsigned int i=0; i<userDataContainer->getNumUserObjects(); ++i)
{
if (PtrHolder* p = dynamic_cast<PtrHolder*>(userDataContainer->getUserObject(i)))
ptrHolder = p;
}
}
if (ptrHolder)
result.mHitObject = ptrHolder->mPtr;
}
return result;
}
RenderingManager::RayResult RenderingManager::castRay(const osg::Vec3f& origin, const osg::Vec3f& dest, bool ignorePlayer, bool ignoreActors)
{
osg::ref_ptr<osgUtil::LineSegmentIntersector> intersector (new osgUtil::LineSegmentIntersector(osgUtil::LineSegmentIntersector::MODEL,
origin, dest));
intersector->setIntersectionLimit(osgUtil::LineSegmentIntersector::LIMIT_NEAREST);
osgUtil::IntersectionVisitor intersectionVisitor(intersector);
int mask = intersectionVisitor.getTraversalMask();
mask &= ~(Mask_RenderToTexture|Mask_Sky|Mask_Debug|Mask_Effect|Mask_Water);
if (ignorePlayer)
mask &= ~(Mask_Player);
if (ignoreActors)
mask &= ~(Mask_Actor|Mask_Player);
intersectionVisitor.setTraversalMask(mask);
mRootNode->accept(intersectionVisitor);
return getIntersectionResult(intersector);
}
RenderingManager::RayResult RenderingManager::castCameraToViewportRay(const float nX, const float nY, float maxDistance, bool ignorePlayer, bool ignoreActors)
{
osg::ref_ptr<osgUtil::LineSegmentIntersector> intersector (new osgUtil::LineSegmentIntersector(osgUtil::LineSegmentIntersector::PROJECTION,
nX * 2.f - 1.f, nY * (-2.f) + 1.f));
@ -506,33 +545,14 @@ namespace MWRender
mask &= ~(Mask_RenderToTexture|Mask_Sky|Mask_Debug|Mask_Effect|Mask_Water);
if (ignorePlayer)
mask &= ~(Mask_Player);
if (ignoreActors)
mask &= ~(Mask_Actor|Mask_Player);
intersectionVisitor.setTraversalMask(mask);
mViewer->getCamera()->accept(intersectionVisitor);
if (intersector->containsIntersections())
{
osgUtil::LineSegmentIntersector::Intersection intersection = intersector->getFirstIntersection();
PtrHolder* ptrHolder = NULL;
for (osg::NodePath::const_iterator it = intersection.nodePath.begin(); it != intersection.nodePath.end(); ++it)
{
osg::UserDataContainer* userDataContainer = (*it)->getUserDataContainer();
if (!userDataContainer)
continue;
for (unsigned int i=0; i<userDataContainer->getNumUserObjects(); ++i)
{
if (PtrHolder* p = dynamic_cast<PtrHolder*>(userDataContainer->getUserObject(i)))
ptrHolder = p;
}
}
if (ptrHolder)
return ptrHolder->mPtr;
}
return MWWorld::Ptr();
return getIntersectionResult(intersector);
}
void RenderingManager::updatePtr(const MWWorld::Ptr &old, const MWWorld::Ptr &updated)

15
apps/openmw/mwrender/renderingmanager.hpp
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@ -85,16 +85,23 @@ namespace MWRender
/// Take a screenshot of w*h onto the given image, not including the GUI.
void screenshot(osg::Image* image, int w, int h);
struct RayResult
{
bool mHit;
osg::Vec3f mHitNormalWorld;
osg::Vec3f mHitPointWorld;
MWWorld::Ptr mHitObject;
};
RayResult castRay(const osg::Vec3f& origin, const osg::Vec3f& dest, bool ignorePlayer, bool ignoreActors=false);
/// Return the object under the mouse cursor / crosshair position, given by nX and nY normalized screen coordinates,
/// where (0,0) is the top left corner.
MWWorld::Ptr getFacedObject(const float nX, const float nY, float maxDistance, bool ignorePlayer);
RayResult castCameraToViewportRay(const float nX, const float nY, float maxDistance, bool ignorePlayer, bool ignoreActors=false);
/// Get the bounding box of the given object in screen coordinates as (minX, minY, maxX, maxY), with (0,0) being the top left corner.
osg::Vec4f getScreenBounds(const MWWorld::Ptr& ptr);
/// Get a camera to viewport ray for normalized screen coordinates nX and nY, with the top left corner being at (0,0)
void getCameraToViewportRay(float nX, float nY, osg::Vec3f& origin, osg::Vec3f& dest);
void setSkyEnabled(bool enabled);
bool toggleRenderMode(RenderMode mode);

36
apps/openmw/mwworld/worldimp.cpp
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@ -1662,11 +1662,11 @@ namespace MWWorld
{
float x, y;
MWBase::Environment::get().getWindowManager()->getMousePosition(x, y);
return mRendering->getFacedObject(x, y, maxDistance, ignorePlayer);
return mRendering->castCameraToViewportRay(x, y, maxDistance, ignorePlayer).mHitObject;
}
else
{
return mRendering->getFacedObject(0.5f, 0.5f, maxDistance, ignorePlayer);
return mRendering->castCameraToViewportRay(0.5f, 0.5f, maxDistance, ignorePlayer).mHitObject;
}
}
@ -1790,25 +1790,18 @@ namespace MWWorld
MWWorld::Ptr World::placeObject (const MWWorld::Ptr& object, float cursorX, float cursorY, int amount)
{
osg::Vec3f origin, dest;
mRendering->getCameraToViewportRay(cursorX, cursorY, origin, dest);
const float maxDist = 200.f;
osg::Vec3f dir = (dest - origin);
dir.normalize();
dest = origin + dir * maxDist;
MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(origin, dest, MWWorld::Ptr(),
MWPhysics::CollisionType_World|MWPhysics::CollisionType_HeightMap);
MWRender::RenderingManager::RayResult result = mRendering->castCameraToViewportRay(cursorX, cursorY, maxDist, true, true);
CellStore* cell = getPlayerPtr().getCell();
ESM::Position pos = getPlayerPtr().getRefData().getPosition();
if (result.mHit)
{
pos.pos[0] = result.mHitPos.x();
pos.pos[1] = result.mHitPos.y();
pos.pos[2] = result.mHitPos.z();
pos.pos[0] = result.mHitPointWorld.x();
pos.pos[1] = result.mHitPointWorld.y();
pos.pos[2] = result.mHitPointWorld.z();
}
// We want only the Z part of the player's rotation
pos.rot[0] = 0;
@ -1828,21 +1821,13 @@ namespace MWWorld
bool World::canPlaceObject(float cursorX, float cursorY)
{
osg::Vec3f origin, dest;
mRendering->getCameraToViewportRay(cursorX, cursorY, origin, dest);
const float maxDist = 200.f;
osg::Vec3f dir = (dest - origin);
dir.normalize();
dest = origin + dir * maxDist;
MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(origin, dest, MWWorld::Ptr(),
MWPhysics::CollisionType_World|MWPhysics::CollisionType_HeightMap);
MWRender::RenderingManager::RayResult result = mRendering->castCameraToViewportRay(cursorX, cursorY, maxDist, true, true);
if (result.mHit)
{
// check if the wanted position is on a flat surface, and not e.g. against a vertical wall
if (std::acos(result.mHitNormal * osg::Vec3f(0,0,1)) >= osg::DegreesToRadians(30.f))
if (std::acos(result.mHitNormalWorld * osg::Vec3f(0,0,1)) >= osg::DegreesToRadians(30.f))
return false;
return true;
@ -1925,10 +1910,9 @@ namespace MWWorld
float len = 100.0;
MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(orig, orig+dir*len, MWWorld::Ptr(),
MWPhysics::CollisionType_World|MWPhysics::CollisionType_HeightMap);
MWRender::RenderingManager::RayResult result = mRendering->castRay(orig, orig+dir*len, true, true);
if (result.mHit)
pos.pos[2] = result.mHitPos.z();
pos.pos[2] = result.mHitPointWorld.z();
// copy the object and set its count
int origCount = object.getRefData().getCount();

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