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clientmobjthinkerdata.cpp
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clientmobjthinkerdata.cpp
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/** @file clientmobjthinkerdata.cpp Private client-side data for mobjs.
*
* @authors Copyright © 2014 Jaakko Keränen <jaakko.keranen@iki.fi>
* @authors Copyright © 2015 Daniel Swanson <danij@dengine.net>
*
* @par License
* GPL: http://www.gnu.org/licenses/gpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. This program is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details. You should have received a copy of the GNU
* General Public License along with this program; if not, see:
* http://www.gnu.org/licenses</small>
*/
#include "de_base.h"
#include "world/clientmobjthinkerdata.h"
#include <QFlags>
#include "clientapp.h"
#include "dd_loop.h"
#include "render/modelrenderer.h"
#include "render/stateanimator.h"
#include "world/generator.h"
using namespace de;
namespace internal
{
enum Flag
{
Initialized = 0x1, ///< Thinker data has been initialized.
StateChanged = 0x2 ///< State has changed during the current tick.
};
Q_DECLARE_FLAGS(Flags, Flag)
Q_DECLARE_OPERATORS_FOR_FLAGS(Flags)
}
using namespace ::internal;
DENG2_PIMPL(ClientMobjThinkerData)
, DENG2_OBSERVES(Asset, Deletion)
{
Flags flags;
std::unique_ptr<RemoteSync> sync;
std::unique_ptr<render::StateAnimator> animator;
Matrix4f modelMatrix;
Instance(Public *i) : Base(i)
{}
Instance(Public *i, Instance const &other) : Base(i)
{
if(other.sync)
{
sync.reset(new RemoteSync(*other.sync));
}
}
~Instance()
{
deinit();
}
String thingName() const
{
return ::defs.getMobjName(self.mobj()->type);
}
String stateName() const
{
return Def_GetStateName(self.mobj()->state);
}
String modelId() const
{
return String("model.thing.%1").arg(thingName().toLower());
}
static ModelBank &modelBank()
{
return ClientApp::renderSystem().modelRenderer().bank();
}
void assetBeingDeleted(Asset &)
{
de::trash(animator.release());
}
/**
* Initializes the client-specific mobj data. This is performed once, during the
* first time the object thinks.
*/
void initOnce()
{
// Initialization is only done once.
if(flags & Initialized) return;
flags |= Initialized;
// Check for an available model asset.
if(modelBank().has(modelId()))
{
// Prepare the animation state of the model.
auto const &model = modelBank().model<render::Model>(modelId());
try
{
model.audienceForDeletion() += this;
animator.reset(new render::StateAnimator(modelId(), model));
animator->setOwnerNamespace(self.info());
// Apply possible scaling operations on the model.
modelMatrix = model.transformation;
if(model.autoscaleToThingHeight)
{
Vector3f const dims = modelMatrix * model.dimensions();
modelMatrix = Matrix4f::scale(self.mobj()->height / dims.y * 1.2f /*aspect correct*/) * modelMatrix;
}
}
catch(Error const &er)
{
model.audienceForDeletion() -= this;
LOG_RES_ERROR("Failed to set up asset '%s' for map object %i: %s")
<< modelId() << self.mobj()->thinker.id << er.asText();
}
}
}
void deinit()
{
if(animator)
{
animator->model().audienceForDeletion() -= this;
}
}
/**
* Checks if there are any animations defined to start in the current state. All
* animation sequences associated with the state are checked. A sequence may specify
* a less than 1.0 probability for starting. The sequence may be identified either by
* name ("walk") or index (for example, "#3").
*/
void triggerStateAnimations()
{
if(animator)
{
animator->triggerByState(stateName());
}
}
/**
* Checks the motion of the object and triggers suitable animations (for standing,
* walking, or running). These animations are defined separately from the state
* based animations.
*/
void triggerMovementAnimations()
{
if(!animator) return;
}
void advanceAnimations(TimeDelta const &delta)
{
if(animator)
{
animator->advanceTime(delta);
}
}
void triggerParticleGenerators(bool justSpawned)
{
// Check for a ptcgen trigger.
for(ded_ptcgen_t *pg = runtimeDefs.stateInfo[self.stateIndex()].ptcGens;
pg; pg = pg->stateNext)
{
if(!(pg->flags & Generator::SpawnOnly) || justSpawned)
{
// We are allowed to spawn the generator.
Mobj_SpawnParticleGen(self.mobj(), pg);
}
}
}
};
ClientMobjThinkerData::ClientMobjThinkerData()
: d(new Instance(this))
{}
ClientMobjThinkerData::ClientMobjThinkerData(ClientMobjThinkerData const &other)
: MobjThinkerData(other)
, d(new Instance(this, *other.d))
{}
void ClientMobjThinkerData::think()
{
MobjThinkerData::think();
d->initOnce();
if(d->flags.testFlag(StateChanged))
{
d->flags &= ~StateChanged;
d->triggerStateAnimations();
}
d->triggerMovementAnimations();
d->advanceAnimations(SECONDSPERTIC); // mobjs think only on sharp ticks
}
Thinker::IData *ClientMobjThinkerData::duplicate() const
{
return new ClientMobjThinkerData(*this);
}
int ClientMobjThinkerData::stateIndex() const
{
return runtimeDefs.states.indexOf(mobj()->state);
}
bool ClientMobjThinkerData::hasRemoteSync() const
{
return bool(d->sync);
}
ClientMobjThinkerData::RemoteSync &ClientMobjThinkerData::remoteSync()
{
if(!hasRemoteSync())
{
d->sync.reset(new RemoteSync);
}
return *d->sync;
}
render::StateAnimator *ClientMobjThinkerData::animator()
{
return d->animator.get();
}
render::StateAnimator const *ClientMobjThinkerData::animator() const
{
return d->animator.get();
}
Matrix4f const &ClientMobjThinkerData::modelTransformation() const
{
return d->modelMatrix;
}
void ClientMobjThinkerData::stateChanged(state_t const *previousState)
{
MobjThinkerData::stateChanged(previousState);
bool const justSpawned = !previousState;
d->initOnce();
d->flags |= StateChanged; // Will trigger animations during think.
d->triggerParticleGenerators(justSpawned);
}