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PlaceAt: attempt to select a safe spawn location (Fixes #2515, Fixes #1384, Fixes #2925)

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This commit is contained in:
scrawl 2016-02-29 16:54:00 +01:00
parent 04d51d5871
commit be2f20f564
1 changed files with 48 additions and 27 deletions
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75
apps/openmw/mwscript/transformationextensions.cpp
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@ -492,6 +492,15 @@ namespace MWScript
{
public:
osg::Vec3f getSpawnPosition(const osg::Vec3f& origin, const osg::Quat& orientation, int direction, float distance)
{
if(direction == 0) return origin + (orientation * osg::Vec3f(0,1,0)) * distance;
else if(direction == 1) return origin - (orientation * osg::Vec3f(0,1,0)) * distance;
else if(direction == 2) return origin - (orientation * osg::Vec3f(1,0,0)) * distance;
else if(direction == 3) return origin + (orientation * osg::Vec3f(1,0,0)) * distance;
else return origin;
}
virtual void execute (Interpreter::Runtime& runtime)
{
MWWorld::Ptr actor = pc
@ -514,40 +523,52 @@ namespace MWScript
if (!actor.isInCell())
throw std::runtime_error ("actor is not in a cell");
ESM::Position ipos = actor.getRefData().getPosition();
osg::Vec3f pos(ipos.asVec3());
osg::Quat rot(ipos.rot[2], osg::Vec3f(0,0,-1));
for (int i=0; i<4; ++i)
{
// check if spawn point is safe, fall back to another direction if not
osg::Vec3f spawnPoint = getSpawnPosition(ipos.asVec3(), rot, direction, distance);
spawnPoint.z() += 30; // move up a little to account for slopes, will snap down later
if (!MWBase::Environment::get().getWorld()->castRay(spawnPoint.x(), spawnPoint.y(), spawnPoint.z(),
pos.x(), pos.y(), pos.z() + 20))
{
// safe
ipos.pos[0] = spawnPoint.x();
ipos.pos[1] = spawnPoint.y();
ipos.pos[2] = spawnPoint.z();
break;
}
direction = (direction+1) % 4;
}
if (actor.getClass().isActor())
{
// TODO: should this depend on the 'direction' parameter?
ipos.rot[0] = 0;
ipos.rot[1] = 0;
ipos.rot[2] = 0;
}
else
{
ipos.rot[0] = actor.getRefData().getPosition().rot[0];
ipos.rot[1] = actor.getRefData().getPosition().rot[1];
ipos.rot[2] = actor.getRefData().getPosition().rot[2];
}
for (int i=0; i<count; ++i)
{
ESM::Position ipos = actor.getRefData().getPosition();
osg::Vec3f pos(ipos.asVec3());
osg::Quat rot(ipos.rot[2], osg::Vec3f(0,0,-1));
if(direction == 0) pos = pos + (rot * osg::Vec3f(0,1,0)) * distance;
else if(direction == 1) pos = pos - (rot * osg::Vec3f(0,1,0)) * distance;
else if(direction == 2) pos = pos - (rot * osg::Vec3f(1,0,0)) * distance;
else if(direction == 3) pos = pos + (rot * osg::Vec3f(1,0,0)) * distance;
else throw std::runtime_error ("direction must be 0,1,2 or 3");
ipos.pos[0] = pos.x();
ipos.pos[1] = pos.y();
ipos.pos[2] = pos.z();
if (actor.getClass().isActor())
{
// TODO: should this depend on the 'direction' parameter?
ipos.rot[0] = 0;
ipos.rot[1] = 0;
ipos.rot[2] = 0;
}
else
{
ipos.rot[0] = actor.getRefData().getPosition().rot[0];
ipos.rot[1] = actor.getRefData().getPosition().rot[1];
ipos.rot[2] = actor.getRefData().getPosition().rot[2];
}
// create item
MWWorld::CellStore* store = actor.getCell();
MWWorld::ManualRef ref(MWBase::Environment::get().getWorld()->getStore(), itemID, 1);
ref.getPtr().getCellRef().setPosition(ipos);
MWBase::Environment::get().getWorld()->safePlaceObject(ref.getPtr(),store,ipos);
MWWorld::Ptr placed = MWBase::Environment::get().getWorld()->safePlaceObject(ref.getPtr(),store,ipos);
placed.getClass().adjustPosition(placed, true); // snap to ground
}
}
};