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Magic projectiles rotate during flight

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This commit is contained in:
scrawl 2015-12-05 00:03:25 +01:00
parent 3f93af4181
commit a8938589f6
2 changed files with 47 additions and 8 deletions
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53
apps/openmw/mwworld/projectilemanager.cpp
View File

@ -45,15 +45,54 @@ namespace MWWorld
}
void ProjectileManager::createModel(State &state, const std::string &model, const osg::Vec3f& pos, const osg::Quat& orient)
/// Rotates an osg::PositionAttitudeTransform over time.
class RotateCallback : public osg::NodeCallback
{
public:
RotateCallback(const osg::Vec3f& axis = osg::Vec3f(0,-1,0), float rotateSpeed = osg::PI*2)
: mAxis(axis)
, mRotateSpeed(rotateSpeed)
{
}
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
osg::PositionAttitudeTransform* transform = static_cast<osg::PositionAttitudeTransform*>(node);
double time = nv->getFrameStamp()->getSimulationTime();
osg::Quat orient = osg::Quat(time * mRotateSpeed, mAxis);
transform->setAttitude(orient);
traverse(node, nv);
}
private:
osg::Vec3f mAxis;
float mRotateSpeed;
};
void ProjectileManager::createModel(State &state, const std::string &model, const osg::Vec3f& pos, const osg::Quat& orient, bool rotate)
{
state.mNode = new osg::PositionAttitudeTransform;
state.mNode->setNodeMask(MWRender::Mask_Effect);
state.mNode->setPosition(pos);
state.mNode->setAttitude(orient);
mParent->addChild(state.mNode);
mResourceSystem->getSceneManager()->createInstance(model, state.mNode);
osg::Group* attachTo = state.mNode;
if (rotate)
{
osg::ref_ptr<osg::PositionAttitudeTransform> rotateNode (new osg::PositionAttitudeTransform);
rotateNode->addUpdateCallback(new RotateCallback());
state.mNode->addChild(rotateNode);
attachTo = rotateNode;
}
mResourceSystem->getSceneManager()->createInstance(model, attachTo);
mParent->addChild(state.mNode);
state.mEffectAnimationTime.reset(new MWRender::EffectAnimationTime);
@ -107,7 +146,7 @@ namespace MWWorld
MWWorld::ManualRef ref(MWBase::Environment::get().getWorld()->getStore(), model);
MWWorld::Ptr ptr = ref.getPtr();
createModel(state, ptr.getClass().getModel(ptr), pos, orient);
createModel(state, ptr.getClass().getModel(ptr), pos, orient, true);
MWBase::SoundManager *sndMgr = MWBase::Environment::get().getSoundManager();
state.mSound = sndMgr->playSound3D(pos, sound, 1.0f, 1.0f, MWBase::SoundManager::Play_TypeSfx, MWBase::SoundManager::Play_Loop);
@ -128,7 +167,7 @@ namespace MWWorld
MWWorld::ManualRef ref(MWBase::Environment::get().getWorld()->getStore(), projectile.getCellRef().getRefId());
MWWorld::Ptr ptr = ref.getPtr();
createModel(state, ptr.getClass().getModel(ptr), pos, orient);
createModel(state, ptr.getClass().getModel(ptr), pos, orient, false);
mProjectiles.push_back(state);
}
@ -348,7 +387,7 @@ namespace MWWorld
return true;
}
createModel(state, model, osg::Vec3f(esm.mPosition), osg::Quat(esm.mOrientation));
createModel(state, model, osg::Vec3f(esm.mPosition), osg::Quat(esm.mOrientation), false);
mProjectiles.push_back(state);
return true;
@ -379,7 +418,7 @@ namespace MWWorld
return true;
}
createModel(state, model, osg::Vec3f(esm.mPosition), osg::Quat(esm.mOrientation));
createModel(state, model, osg::Vec3f(esm.mPosition), osg::Quat(esm.mOrientation), true);
MWBase::SoundManager *sndMgr = MWBase::Environment::get().getSoundManager();
state.mSound = sndMgr->playSound3D(esm.mPosition, esm.mSound, 1.0f, 1.0f,

2
apps/openmw/mwworld/projectilemanager.hpp
View File

@ -120,7 +120,7 @@ namespace MWWorld
void moveProjectiles(float dt);
void moveMagicBolts(float dt);
void createModel (State& state, const std::string& model, const osg::Vec3f& pos, const osg::Quat& orient);
void createModel (State& state, const std::string& model, const osg::Vec3f& pos, const osg::Quat& orient, bool rotate);
void update (State& state, float duration);
void operator=(const ProjectileManager&);