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Code Issues Releases Wiki Activity

Enhanced snap functionality for pathgrid points.

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This commit is contained in:
cc9cii 2014-11-11 19:40:04 +11:00
parent 407edc770c
commit 3eb556ff8a
3 changed files with 25 additions and 83 deletions
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31
apps/opencs/view/render/mousestate.cpp
View file

@ -236,29 +236,22 @@ namespace CSVRender
// FIXME: move pathgrid point, but don't save yet (need pathgrid
// table feature & its data structure to be completed)
// Also need to signal PathgridPoint object of change
std::pair<std::string, Ogre::Vector3> result =
anyUnderCursor(event->x(), event->y());
std::pair<std::string, float> result =
mPhysics->distToClosest(pos, getCamera(), 600); // snap
std::string refId = mPhysics->sceneNodeToRefId(result.first);
if(result.first != "" && // don't allow pathgrid points under the cursor
!QString(refId.c_str()).contains(QRegExp("^Pathgrid")))
{
// snap (defaults to 300 or less)
// FIXME: sticks to the underside of the object if snapping up
std::pair<std::string, float> res =
mPhysics->distToClosest(pos, getCamera(), 500);
if(res.first != "")
{
pos.z -= res.second;
// FIXME: rather than just updating at the end, should
// consider providing visual feedback of terrain height
// while dragging the pathgrid point (maybe check whether
// the object is a pathgrid point at the begging and set
// a flag?)
placeObject(mGrabbedSceneNode, pos); // result.second
mParent->pathgridMoved(referenceId, pos); // result.second
}
else
cancelDrag();
pos.z -= result.second;
pos.z += 2; // arbitrary number, lift up slightly (maybe change the nif?)
// FIXME: rather than just updating at the end, should
// consider providing visual feedback of terrain height
// while dragging the pathgrid point (maybe check whether
// the object is a pathgrid point at the begging and set
// a flag?)
placeObject(mGrabbedSceneNode, pos); // result.second
mParent->pathgridMoved(referenceId, pos); // result.second
}
else
cancelDrag(); // FIXME: does not allow editing if terrain not visible

73
apps/opencs/view/world/physicssystem.cpp
View file

@ -282,16 +282,17 @@ namespace CSVWorld
}
std::pair<std::string, float> PhysicsSystem::distToGround(const Ogre::Vector3 &position,
Ogre::Camera *camera)
Ogre::Camera *camera, const float limit, bool ignorePgPoint)
{
btVector3 _from, _to;
_from = btVector3(position.x, position.y, position.z);
_to = btVector3(position.x, position.y, position.z-300000);
_to = btVector3(position.x, position.y, position.z-limit);
uint32_t visibilityMask = camera->getViewport()->getVisibilityMask();
bool ignoreHeightMap = !(visibilityMask & (uint32_t)CSVRender::Element_Terrain);
bool ignoreObjects = !(visibilityMask & (uint32_t)CSVRender::Element_Reference);
bool ignorePathgrid = !(visibilityMask & (uint32_t)CSVRender::Element_Pathgrid);
bool ignorePathgrid = ignorePgPoint ||
!(visibilityMask & (uint32_t)CSVRender::Element_Pathgrid);
std::pair<std::string, float> result = std::make_pair("", -1);
short mask = OEngine::Physic::CollisionType_Raycasting;
@ -315,73 +316,21 @@ namespace CSVWorld
if(result.first == "")
return std::make_pair("", -1);
else
return std::make_pair(result.first, 300000*result.second);
return std::make_pair(result.first, limit*result.second);
}
// FIXME: remove code duplication
// tries to find the distance to the "top" of the closest object
std::pair<std::string, float> PhysicsSystem::distToClosest(const Ogre::Vector3 &position,
Ogre::Camera *camera, const float limit)
{
uint32_t visibilityMask = camera->getViewport()->getVisibilityMask();
bool ignoreHeightMap = !(visibilityMask & (uint32_t)CSVRender::Element_Terrain);
bool ignoreObjects = !(visibilityMask & (uint32_t)CSVRender::Element_Reference);
bool ignorePathgrid = !(visibilityMask & (uint32_t)CSVRender::Element_Pathgrid);
const float thickness = 50; // arbitrary number
short mask = OEngine::Physic::CollisionType_Raycasting;
btVector3 _from, _to;
_from = btVector3(position.x, position.y, position.z);
_to = btVector3(position.x, position.y, position.z-limit);
std::pair<std::string, float> resDown = std::make_pair("", -1);
std::vector<std::pair<float, std::string> > objectsDown = mEngine->rayTest2(_from, _to, mask);
for (std::vector<std::pair<float, std::string> >::iterator it = objectsDown.begin();
it != objectsDown.end(); ++it)
{
if(ignorePathgrid && QString((*it).second.c_str()).contains(QRegExp("^Pathgrid")))
continue;
else if(ignoreObjects && QString((*it).second.c_str()).contains(QRegExp("^ref#")))
continue;
else if(ignoreHeightMap && QString((*it).second.c_str()).contains(QRegExp("^Height")))
continue;
resDown = std::make_pair((*it).second, (*it).first);
break;
}
_to = btVector3(position.x, position.y, position.z+limit);
std::pair<std::string, float> resUp = std::make_pair("", -1);
std::vector<std::pair<float, std::string> > objectsUp = mEngine->rayTest2(_from, _to, mask);
for (std::vector<std::pair<float, std::string> >::iterator it = objectsDown.begin();
it != objectsDown.end(); ++it)
{
if(ignorePathgrid && QString((*it).second.c_str()).contains(QRegExp("^Pathgrid")))
continue;
else if(ignoreObjects && QString((*it).second.c_str()).contains(QRegExp("^ref#")))
continue;
else if(ignoreHeightMap && QString((*it).second.c_str()).contains(QRegExp("^Height")))
continue;
resUp = std::make_pair((*it).second, (*it).first);
break;
}
std::pair<std::string, float> resDown =
distToGround(Ogre::Vector3(position.x, position.y, position.z+thickness),
camera, limit+thickness, true);
if(resDown.first != "")
{
if(resUp.first != "")
{
if(fabs(resUp.second) < fabs(resDown.second))
return std::make_pair(resUp.first, -limit*resUp.second);
else
return std::make_pair(resDown.first, limit*resDown.second);
}
else
return std::make_pair(resDown.first, limit*resDown.second);
}
else if(resUp.first != "")
return std::make_pair(resUp.first, -limit*resUp.second);
return std::make_pair(resDown.first, resDown.second-thickness);
else
return std::make_pair("", -1);
}

4
apps/opencs/view/world/physicssystem.hpp
View file

@ -74,10 +74,10 @@ namespace CSVWorld
float mouseY, Ogre::SceneManager *sceneMgr, Ogre::Camera *camera);
std::pair<std::string, float> distToGround(const Ogre::Vector3 &position,
Ogre::Camera *camera);
Ogre::Camera *camera, const float limit = 300000, bool ignorePgPoint = false);
std::pair<std::string, float> distToClosest(const Ogre::Vector3 &position,
Ogre::Camera *camera, const float limit = 300.0f);
Ogre::Camera *camera, const float limit = 100.0f);
std::string sceneNodeToRefId(std::string sceneNodeName);