AnimationState* AnimationController::AddAnimationState(Animation* animation)
{
if (!animation)
return 0;
// Model mode
AnimatedModel* model = GetComponent<AnimatedModel>();
if (model)
return model->AddAnimationState(animation);
// Node hierarchy mode
SharedPtr<AnimationState> newState(new AnimationState(node_, animation));
nodeAnimationStates_.Push(newState);
return newState;
}
bool AnimationController::Play(const String& name, unsigned char layer, bool looped, float fadeInTime)
{
AnimatedModel* model = GetComponent<AnimatedModel>();
if (!model)
return false;
// Check if already exists
unsigned index;
AnimationState* state;
FindAnimation(name, index, state);
if (!state)
{
Animation* newAnimation = GetSubsystem<ResourceCache>()->GetResource<Animation>(name);
state = model->AddAnimationState(newAnimation);
if (!state)
return false;
}
if (index == M_MAX_UNSIGNED)
{
AnimationControl newControl;
Animation* animation = state->GetAnimation();
newControl.hash_ = animation->GetNameHash();
animations_.Push(newControl);
index = animations_.Size() - 1;
}
state->SetLayer(layer);
state->SetLooped(looped);
animations_[index].targetWeight_ = 1.0f;
animations_[index].fadeTime_ = fadeInTime;
MarkNetworkUpdate();
return true;
}
void SkeletalAnimation::CreateScene()
{
ResourceCache* cache = GetSubsystem<ResourceCache>();
scene_ = new Scene(context_);
// Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
// Also create a DebugRenderer component so that we can draw debug geometry
scene_->CreateComponent<Octree>();
scene_->CreateComponent<DebugRenderer>();
// Create scene node & StaticModel component for showing a static plane
Node* planeNode = scene_->CreateChild("Plane");
planeNode->SetScale(Vector3(100.0f, 1.0f, 100.0f));
StaticModel* planeObject = planeNode->CreateComponent<StaticModel>();
planeObject->SetModel(cache->GetResource<Model>("Models/Plane.mdl"));
planeObject->SetMaterial(cache->GetResource<Material>("Materials/StoneTiled.xml"));
// Create a Zone component for ambient lighting & fog control
Node* zoneNode = scene_->CreateChild("Zone");
Zone* zone = zoneNode->CreateComponent<Zone>();
zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
zone->SetFogStart(100.0f);
zone->SetFogEnd(300.0f);
// Create a directional light to the world. Enable cascaded shadows on it
Node* lightNode = scene_->CreateChild("Directional light");
lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
Light* light = lightNode->CreateComponent<Light>();
light->SetLightType(LIGHT_DIRECTIONAL);
light->SetCastShadows(true);
light->SetShadowBias(BiasParameters(0.0001f, 0.5f));
// Set cascade splits at 10, 50 and 200 world units, fade shadows out at 80% of maximum shadow distance
light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));
// Create animated models
const unsigned NUM_MODELS = 100;
const float MODEL_MOVE_SPEED = 2.0f;
const float MODEL_ROTATE_SPEED = 100.0f;
const BoundingBox bounds(Vector3(-47.0f, 0.0f, -47.0f), Vector3(47.0f, 0.0f, 47.0f));
for (unsigned i = 0; i < NUM_MODELS; ++i)
{
Node* modelNode = scene_->CreateChild("Jack");
modelNode->SetPosition(Vector3(Random(90.0f) - 45.0f, 0.0f, Random(90.0f) - 45.0f));
modelNode->SetRotation(Quaternion(0.0f, Random(360.0f), 0.0f));
AnimatedModel* modelObject = modelNode->CreateComponent<AnimatedModel>();
modelObject->SetModel(cache->GetResource<Model>("Models/Jack.mdl"));
modelObject->SetMaterial(cache->GetResource<Material>("Materials/Jack.xml"));
modelObject->SetCastShadows(true);
// Create an AnimationState for a walk animation. Its time position will need to be manually updated to advance the
// animation, The alternative would be to use an AnimationController component which updates the animation automatically,
// but we need to update the model's position manually in any case
Animation* walkAnimation = cache->GetResource<Animation>("Models/Jack_Walk.ani");
AnimationState* state = modelObject->AddAnimationState(walkAnimation);
// Enable full blending weight and looping
state->SetWeight(1.0f);
state->SetLooped(true);
// Create our custom Mover component that will move & animate the model during each frame's update
Mover* mover = modelNode->CreateComponent<Mover>();
mover->SetParameters(MODEL_MOVE_SPEED, MODEL_ROTATE_SPEED, bounds);
}
// Create the camera. Limit far clip distance to match the fog
cameraNode_ = scene_->CreateChild("Camera");
Camera* camera = cameraNode_->CreateComponent<Camera>();
camera->SetFarClip(300.0f);
// Set an initial position for the camera scene node above the plane
cameraNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
}
void AnimationController::SetNetAnimationsAttr(const PODVector<unsigned char>& value)
{
// To apply animations, the model must exist first (practically, have been added before AnimationController)
AnimatedModel* model = GetComponent<AnimatedModel>();
if (!model)
return;
MemoryBuffer buf(value);
// Check which animations we need to remove
HashSet<StringHash> processedAnimations;
unsigned numAnimations = buf.ReadVLE();
while (numAnimations--)
{
StringHash animHash = buf.ReadStringHash();
processedAnimations.Insert(animHash);
// Check if the animation state exists. If not, add new
AnimationState* state = model->GetAnimationState(animHash);
if (!state)
{
Animation* newAnimation = GetSubsystem<ResourceCache>()->GetResource<Animation>(animHash);
state = model->AddAnimationState(newAnimation);
if (!state)
{
LOGERROR("Animation update applying aborted due to unknown animation");
return;
}
}
// Check if the internal control structure exists. If not, add new
unsigned index;
for (index = 0; index < animations_.Size(); ++index)
{
if (animations_[index].hash_ == animHash)
break;
}
if (index == animations_.Size())
{
AnimationControl newControl;
newControl.hash_ = animHash;
animations_.Push(newControl);
}
unsigned char ctrl = buf.ReadUByte();
state->SetLayer(buf.ReadUByte());
state->SetLooped((ctrl & CTRL_LOOPED) != 0);
animations_[index].speed_ = (float)buf.ReadShort() / 2048.0f; // 11 bits of decimal precision, max. 16x playback speed
animations_[index].targetWeight_ = (float)buf.ReadUByte() / 255.0f; // 8 bits of decimal precision
animations_[index].fadeTime_ = (float)buf.ReadUByte() / 64.0f; // 6 bits of decimal precision, max. 4 seconds fade
if (ctrl & CTRL_STARTBONE)
state->SetStartBone(model->GetSkeleton().GetBone(buf.ReadStringHash()));
else
state->SetStartBone(0);
if (ctrl & CTRL_AUTOFADE)
animations_[index].autoFadeTime_ = (float)buf.ReadUByte() / 64.0f; // 6 bits of decimal precision, max. 4 seconds fade
else
animations_[index].autoFadeTime_ = 0.0f;
if (ctrl & CTRL_SETTIME)
{
unsigned char setTimeRev = buf.ReadUByte();
unsigned short setTime = buf.ReadUShort();
// Apply set time command only if revision differs
if (setTimeRev != animations_[index].setTimeRev_)
{
state->SetTime(((float)setTime / 65535.0f) * state->GetLength());
animations_[index].setTimeRev_ = setTimeRev;
}
}
if (ctrl & CTRL_SETWEIGHT)
{
unsigned char setWeightRev = buf.ReadUByte();
unsigned char setWeight = buf.ReadUByte();
// Apply set weight command only if revision differs
if (setWeightRev != animations_[index].setWeightRev_)
{
state->SetWeight((float)setWeight / 255.0f);
animations_[index].setWeightRev_ = setWeightRev;
}
}
}
// Set any extra animations to fade out
for (Vector<AnimationControl>::Iterator i = animations_.Begin(); i != animations_.End(); ++i)
{
if (!processedAnimations.Contains(i->hash_))
{
i->targetWeight_ = 0.0f;
i->fadeTime_ = EXTRA_ANIM_FADEOUT_TIME;
}
}
}
