Refactor projectiles to no longer use MW-objects
scrawl
11 years ago
parent
18852c09d0
commit
e5a21aca53
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#include "projectilemanager.hpp"
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#include <OgreSceneManager.h>
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#include <libs/openengine/bullet/physic.hpp>
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#include "../mwworld/manualref.hpp"
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#include "../mwworld/class.hpp"
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#include "../mwbase/soundmanager.hpp"
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#include "../mwbase/world.hpp"
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#include "../mwbase/environment.hpp"
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#include "../mwmechanics/combat.hpp"
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#include "../mwmechanics/creaturestats.hpp"
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#include "../mwmechanics/spellcasting.hpp"
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#include "../mwrender/effectmanager.hpp"
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#include "../mwsound/sound.hpp"
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namespace MWWorld
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{
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ProjectileManager::ProjectileManager(Ogre::SceneManager* sceneMgr, OEngine::Physic::PhysicEngine &engine)
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: mPhysEngine(engine)
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, mSceneMgr(sceneMgr)
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{
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}
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void ProjectileManager::createModel(State &state, const std::string &model)
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{
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state.mObject = NifOgre::Loader::createObjects(state.mNode, model);
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for(size_t i = 0;i < state.mObject->mControllers.size();i++)
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{
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if(state.mObject->mControllers[i].getSource().isNull())
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state.mObject->mControllers[i].setSource(Ogre::SharedPtr<MWRender::EffectAnimationTime> (new MWRender::EffectAnimationTime()));
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}
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}
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void ProjectileManager::update(NifOgre::ObjectScenePtr object, float duration)
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{
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for(size_t i = 0; i < object->mControllers.size() ;i++)
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{
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MWRender::EffectAnimationTime* value = dynamic_cast<MWRender::EffectAnimationTime*>(object->mControllers[i].getSource().get());
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if (value)
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value->addTime(duration);
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object->mControllers[i].update();
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}
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}
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void ProjectileManager::launchMagicBolt(const std::string &model, const std::string &sound,
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const std::string &spellId, float speed, bool stack,
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const ESM::EffectList &effects, const Ptr &actor, const std::string &sourceName)
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{
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// Spawn at 0.75 * ActorHeight
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float height = mPhysEngine.getCharacter(actor.getRefData().getHandle())->getHalfExtents().z * 2 * 0.75;
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Ogre::Vector3 pos(actor.getRefData().getPosition().pos);
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pos.z += height;
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Ogre::Quaternion orient = Ogre::Quaternion(Ogre::Radian(actor.getRefData().getPosition().rot[2]), Ogre::Vector3::NEGATIVE_UNIT_Z) *
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Ogre::Quaternion(Ogre::Radian(actor.getRefData().getPosition().rot[0]), Ogre::Vector3::NEGATIVE_UNIT_X);
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MagicBoltState state;
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state.mSourceName = sourceName;
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state.mId = spellId;
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state.mActorId = actor.getClass().getCreatureStats(actor).getActorId();
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state.mSpeed = speed;
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state.mStack = stack;
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// Only interested in "on target" effects
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for (std::vector<ESM::ENAMstruct>::const_iterator iter (effects.mList.begin());
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iter!=effects.mList.end(); ++iter)
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{
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if (iter->mRange == ESM::RT_Target)
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state.mEffects.mList.push_back(*iter);
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}
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MWWorld::ManualRef ref(MWBase::Environment::get().getWorld()->getStore(), model);
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MWWorld::Ptr ptr = ref.getPtr();
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state.mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(pos, orient);
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createModel(state, ptr.getClass().getModel(ptr));
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MWBase::SoundManager *sndMgr = MWBase::Environment::get().getSoundManager();
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state.mSound = sndMgr->playManualSound3D(pos, sound, 1.0f, 1.0f, MWBase::SoundManager::Play_TypeSfx, MWBase::SoundManager::Play_Loop);
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mMagicBolts.push_back(state);
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}
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void ProjectileManager::launchProjectile(Ptr actor, Ptr projectile, const Ogre::Vector3 &pos,
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const Ogre::Quaternion &orient, Ptr bow, float speed)
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{
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ProjectileState state;
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state.mActorId = actor.getClass().getCreatureStats(actor).getActorId();
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state.mBow = bow;
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state.mVelocity = orient.yAxis() * speed;
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state.mProjectileId = projectile.getCellRef().mRefID;
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MWWorld::ManualRef ref(MWBase::Environment::get().getWorld()->getStore(), projectile.getCellRef().mRefID);
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MWWorld::Ptr ptr = ref.getPtr();
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state.mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(pos, orient);
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createModel(state, ptr.getClass().getModel(ptr));
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mProjectiles.push_back(state);
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}
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void ProjectileManager::update(float dt)
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{
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moveProjectiles(dt);
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moveMagicBolts(dt);
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}
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void ProjectileManager::moveMagicBolts(float duration)
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{
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for (std::vector<MagicBoltState>::iterator it = mMagicBolts.begin(); it != mMagicBolts.end();)
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{
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Ogre::Quaternion orient = it->mNode->getOrientation();
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static float fTargetSpellMaxSpeed = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>()
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.find("fTargetSpellMaxSpeed")->getFloat();
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float speed = fTargetSpellMaxSpeed * it->mSpeed;
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Ogre::Vector3 direction = orient.yAxis();
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direction.normalise();
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Ogre::Vector3 pos(it->mNode->getPosition());
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Ogre::Vector3 newPos = pos + direction * duration * speed;
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it->mSound->setPosition(newPos);
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it->mNode->setPosition(newPos);
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update(it->mObject, duration);
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// Check for impact
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// TODO: use a proper btRigidBody / btGhostObject?
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btVector3 from(pos.x, pos.y, pos.z);
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btVector3 to(newPos.x, newPos.y, newPos.z);
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std::vector<std::pair<float, std::string> > collisions = mPhysEngine.rayTest2(from, to);
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bool hit=false;
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for (std::vector<std::pair<float, std::string> >::iterator cIt = collisions.begin(); cIt != collisions.end() && !hit; ++cIt)
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{
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MWWorld::Ptr obstacle = MWBase::Environment::get().getWorld()->searchPtrViaHandle(cIt->second);
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MWWorld::Ptr caster = MWBase::Environment::get().getWorld()->searchPtrViaActorId(it->mActorId);
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if (caster.isEmpty())
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caster = obstacle;
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if (obstacle.isEmpty())
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{
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// Terrain
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}
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else
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{
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MWMechanics::CastSpell cast(caster, obstacle);
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cast.mHitPosition = pos;
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cast.mId = it->mId;
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cast.mSourceName = it->mSourceName;
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cast.mStack = it->mStack;
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cast.inflict(obstacle, caster, it->mEffects, ESM::RT_Target, false, true);
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}
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hit = true;
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}
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if (hit)
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{
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MWWorld::Ptr caster = MWBase::Environment::get().getWorld()->searchPtrViaActorId(it->mActorId);
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MWBase::Environment::get().getWorld()->explodeSpell(pos, it->mEffects, caster, it->mId, it->mSourceName);
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MWBase::Environment::get().getSoundManager()->stopSound(it->mSound);
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mSceneMgr->destroySceneNode(it->mNode);
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it = mMagicBolts.erase(it);
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continue;
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}
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else
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++it;
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}
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}
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void ProjectileManager::moveProjectiles(float duration)
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{
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for (std::vector<ProjectileState>::iterator it = mProjectiles.begin(); it != mProjectiles.end();)
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{
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// gravity constant - must be way lower than the gravity affecting actors, since we're not
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// simulating aerodynamics at all
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it->mVelocity -= Ogre::Vector3(0, 0, 627.2f * 0.1f) * duration;
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Ogre::Vector3 pos(it->mNode->getPosition());
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Ogre::Vector3 newPos = pos + it->mVelocity * duration;
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Ogre::Quaternion orient = Ogre::Vector3::UNIT_Y.getRotationTo(it->mVelocity);
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it->mNode->setOrientation(orient);
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it->mNode->setPosition(newPos);
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update(it->mObject, duration);
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// Check for impact
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// TODO: use a proper btRigidBody / btGhostObject?
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btVector3 from(pos.x, pos.y, pos.z);
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btVector3 to(newPos.x, newPos.y, newPos.z);
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std::vector<std::pair<float, std::string> > collisions = mPhysEngine.rayTest2(from, to);
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bool hit=false;
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for (std::vector<std::pair<float, std::string> >::iterator cIt = collisions.begin(); cIt != collisions.end() && !hit; ++cIt)
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{
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MWWorld::Ptr obstacle = MWBase::Environment::get().getWorld()->searchPtrViaHandle(cIt->second);
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MWWorld::Ptr caster = MWBase::Environment::get().getWorld()->searchPtrViaActorId(it->mActorId);
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// Arrow intersects with player immediately after shooting :/
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if (obstacle == caster)
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continue;
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if (caster.isEmpty())
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caster = obstacle;
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if (obstacle.isEmpty())
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{
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// Terrain
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}
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else if (obstacle.getClass().isActor())
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{
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MWWorld::ManualRef projectileRef(MWBase::Environment::get().getWorld()->getStore(), it->mProjectileId);
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MWMechanics::projectileHit(caster, obstacle, it->mBow, projectileRef.getPtr(), pos + (newPos - pos) * cIt->first);
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}
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hit = true;
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}
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if (hit)
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{
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mSceneMgr->destroySceneNode(it->mNode);
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it = mProjectiles.erase(it);
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continue;
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}
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else
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++it;
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}
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}
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void ProjectileManager::clear()
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{
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for (std::vector<ProjectileState>::iterator it = mProjectiles.begin(); it != mProjectiles.end(); ++it)
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{
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mSceneMgr->destroySceneNode(it->mNode);
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}
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mProjectiles.clear();
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for (std::vector<MagicBoltState>::iterator it = mMagicBolts.begin(); it != mMagicBolts.end(); ++it)
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{
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MWBase::Environment::get().getSoundManager()->stopSound(it->mSound);
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mSceneMgr->destroySceneNode(it->mNode);
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}
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mMagicBolts.clear();
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}
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}
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@ -0,0 +1,104 @@
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#ifndef OPENMW_MWWORLD_PROJECTILEMANAGER_H
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#define OPENMW_MWWORLD_PROJECTILEMANAGER_H
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#include <string>
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#include <OgreVector3.h>
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#include <components/esm/effectlist.hpp>
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#include <components/nifogre/ogrenifloader.hpp>
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#include "../mwbase/soundmanager.hpp"
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#include "ptr.hpp"
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namespace OEngine
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{
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namespace Physic
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{
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class PhysicEngine;
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}
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}
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namespace Ogre
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{
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class SceneManager;
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}
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namespace MWWorld
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{
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class ProjectileManager
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{
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public:
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ProjectileManager (Ogre::SceneManager* sceneMgr,
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OEngine::Physic::PhysicEngine& engine);
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void launchMagicBolt (const std::string& model, const std::string &sound, const std::string &spellId,
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float speed, bool stack, const ESM::EffectList& effects,
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const MWWorld::Ptr& actor, const std::string& sourceName);
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void launchProjectile (MWWorld::Ptr actor, MWWorld::Ptr projectile,
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const Ogre::Vector3& pos, const Ogre::Quaternion& orient, MWWorld::Ptr bow, float speed);
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void update(float dt);
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/// Removes all current projectiles. Should be called when switching to a new worldspace.
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void clear();
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private:
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OEngine::Physic::PhysicEngine& mPhysEngine;
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Ogre::SceneManager* mSceneMgr;
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struct State
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{
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NifOgre::ObjectScenePtr mObject;
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Ogre::SceneNode* mNode;
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};
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struct MagicBoltState : public State
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{
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// Id of spell or enchantment to apply when it hits
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std::string mId;
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// Actor who casted this projectile
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int mActorId;
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// Name of item to display as effect source in magic menu (in case we casted an enchantment)
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std::string mSourceName;
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ESM::EffectList mEffects;
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float mSpeed;
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bool mStack;
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MWBase::SoundPtr mSound;
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};
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struct ProjectileState : public State
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{
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// Actor who shot this projectile
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int mActorId;
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// RefID of the projectile
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std::string mProjectileId;
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MWWorld::Ptr mBow; // bow or crossbow the projectile was fired from (may be empty)
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Ogre::Vector3 mVelocity;
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};
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std::vector<MagicBoltState> mMagicBolts;
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std::vector<ProjectileState> mProjectiles;
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void moveProjectiles(float dt);
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void moveMagicBolts(float dt);
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void createModel (State& state, const std::string& model);
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void update (NifOgre::ObjectScenePtr object, float duration);
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};
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}
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#endif
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