irrlicht/include/IAnimatedMeshSceneNode.h

209 lines
9.5 KiB
C++

// Copyright (C) 2002-2007 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __I_ANIMATED_MESH_SCENE_NODE_H_INCLUDED__
#define __I_ANIMATED_MESH_SCENE_NODE_H_INCLUDED__
#include "ISceneNode.h"
#include "IAnimatedMeshMD2.h"
#include "IAnimatedMeshMD3.h"
#include "IShadowVolumeSceneNode.h"
namespace irr
{
namespace scene
{
class IAnimatedMeshSceneNode;
//! Callback interface for catching events of ended animations.
/** Implement this interface and use
IAnimatedMeshSceneNode::setAnimationEndCallback to be able to
be notified if an animation playback has ended.
**/
class IAnimationEndCallBack : public virtual IUnknown
{
public:
//! Will be called when the animation playback has ended.
//! See IAnimatedMeshSceneNode::setAnimationEndCallback for
//! more informations.
//! \param node: Node of which the animation has ended.
virtual void OnAnimationEnd(IAnimatedMeshSceneNode* node) = 0;
};
//! Scene node capable of displaying an animated mesh and its shadow.
/** The shadow is optional: If a shadow should be displayed too, just invoke
the IAnimatedMeshSceneNode::createShadowVolumeSceneNode().*/
class IAnimatedMeshSceneNode : public ISceneNode
{
public:
//! Constructor
IAnimatedMeshSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,
const core::vector3df& position = core::vector3df(0,0,0),
const core::vector3df& rotation = core::vector3df(0,0,0),
const core::vector3df& scale = core::vector3df(1.0f, 1.0f, 1.0f))
: ISceneNode(parent, mgr, id, position, rotation, scale) {}
//! Destructor
virtual ~IAnimatedMeshSceneNode() {};
//! Sets the current frame number.
//! From now on the animation is played from this frame.
//! \param frame: Number of the frame to let the animation be started from.
//! The frame number must be a valid frame number of the IMesh used by this
//! scene node. Set IAnimatedMesh::getMesh() for details.
virtual void setCurrentFrame(s32 frame) = 0;
//! Sets the frame numbers between the animation is looped.
//! The default is 0 - MaximalFrameCount of the mesh.
//! \param begin: Start frame number of the loop.
//! \param end: End frame number of the loop.
//! \return Returns true if successful, false if not.
virtual bool setFrameLoop(s32 begin, s32 end) = 0;
//! Sets the speed with witch the animation is played.
//! \param framesPerSecond: Frames per second played.
virtual void setAnimationSpeed(f32 framesPerSecond) = 0;
//! Creates shadow volume scene node as child of this node
//! and returns a pointer to it. The shadow can be rendered using the ZPass
//! or the zfail method. ZPass is a little bit faster because the shadow volume
//! creation is easier, but with this method there occur ugly looking artifacs
//! when the camera is inside the shadow volume. These error do not occur
//! with the ZFail method.
//! \param id: Id of the shadow scene node. This id can be used to identify
//! the node later.
//! \param zfailmethod: If set to true, the shadow will use the zfail method,
//! if not, zpass is used.
//! \param infinity: Value used by the shadow volume algorithm to scale the
//! shadow volume.
//! \return Returns pointer to the created shadow scene node.
//! This pointer should not be dropped. See IUnknown::drop() for more information.
virtual IShadowVolumeSceneNode* addShadowVolumeSceneNode(s32 id=-1,
bool zfailmethod=true, f32 infinity=10000.0f) = 0;
//! Returns a pointer to a child node, which has the same transformation as
//! the corresponding joint, if the mesh in this scene node is a ms3d mesh.
//! Otherwise 0 is returned. With this method it is possible to
//! attach scene nodes to joints more easily. In this way, it is
//! for example possible to attach a weapon to the left hand of an
//! animated model. This example shows how:
//! \code
//! ISceneNode* hand =
//! yourMS3DAnimatedMeshSceneNode->getMS3DJointNode("LeftHand");
//! hand->addChild(weaponSceneNode);
//! \endcode
//! Please note that the SceneNode returned by this method may not exist
//! before this call and is created by it.
//! \param jointName: Name of the joint.
//! \return Returns a pointer to the scene node which represents the joint
//! with the specified name. Returns 0 if the contained mesh is not an
//! ms3d mesh or the name of the joint could not be found.
virtual ISceneNode* getMS3DJointNode(const c8* jointName) = 0;
//! Returns a pointer to a child node, which has the same transformation as
//! the corresponding joint, if the mesh in this scene node is a x mesh.
//! Otherwise 0 is returned. With this method it is possible to
//! attach scene nodes to joints more easily. In this way, it is
//! for example possible to attach a weapon to the left hand of an
//! animated model. This example shows how:
//! \code
//! ISceneNode* hand =
//! yourMS3DAnimatedMeshSceneNode->getXJointNode("LeftHand");
//! hand->addChild(weaponSceneNode);
//! \endcode
//! Please note that the SceneNode returned by this method may not exist
//! before this call and is created by it.
//! \param jointName: Name of the joint.
//! \return Returns a pointer to the scene node which represents the joint
//! with the specified name. Returns 0 if the contained mesh is not an
//! ms3d mesh or the name of the joint could not be found.
virtual ISceneNode* getXJointNode(const c8* jointName) = 0;
//! Returns a pointer to a child node, which has the same transformation as
//! the corresponding joint, if the mesh in this scene node is a b3d mesh.
//! Otherwise 0 is returned. With this method it is possible to
//! attach scene nodes to joints more easily. In this way, it is
//! for example possible to attach a weapon to the left hand of an
//! animated model. This example shows how:
//! \code
//! ISceneNode* hand =
//! yourB3DAnimatedMeshSceneNode->getB3DJointNode("LeftHand");
//! hand->addChild(weaponSceneNode);
//! \endcode
//! Please note that the SceneNode returned by this method may not exist
//! before this call and is created by it.
//! \param jointName: Name of the joint.
//! \return Returns a pointer to the scene node which represents the joint
//! with the specified name. Returns 0 if the contained mesh is not an
//! ms3d mesh or the name of the joint could not be found.
virtual ISceneNode* getB3DJointNode(const c8* jointName) = 0;
//! Starts a default MD2 animation.
//! With this method it is easily possible to start a Run, Attack,
//! Die or whatever animation, if the mesh contained in this scene
//! node is an md2 mesh. Otherwise, nothing happens.
//! \param anim: An MD2 animation type, which should be played, for
//! example EMAT_STAND for the standing animation.
//! \return Returns true if successful, and false if not, for example
//! if the mesh in the scene node is not a md2 mesh.
virtual bool setMD2Animation(EMD2_ANIMATION_TYPE anim) = 0;
//! Starts a special MD2 animation.
//! With this method it is easily possible to start a Run, Attack,
//! Die or whatever animation, if the mesh contained in this scene
//! node is an md2 mesh. Otherwise, nothing happens. This method uses
//! a character string to identify the animation. If the animation is a
//! standard md2 animation, you might want to start this animation
//! with the EMD2_ANIMATION_TYPE enumeration instead.
//! \param animationName: Name of the animation which should be played.
//! \return Returns true if successful, and false if not, for example
//! if the mesh in the scene node is not an md2 mesh, or no animation
//! with this name could be found.
virtual bool setMD2Animation(const c8* animationName) = 0;
//! Returns the current displayed frame number.
virtual s32 getFrameNr() const = 0;
//! Returns the current start frame number.
virtual s32 getStartFrame() const = 0;
//! Returns the current end frame number.
virtual s32 getEndFrame() const = 0;
//! Sets looping mode which is on by default. If set to false,
//! animations will not be played looped.
virtual void setLoopMode(bool playAnimationLooped) = 0;
//! Sets a callback interface which will be called if an animation
//! playback has ended. Set this to 0 to disable the callback again.
//! Please note that this will only be called when in non looped mode,
//! see IAnimatedMeshSceneNode::setLoopMode().
virtual void setAnimationEndCallback(IAnimationEndCallBack* callback=0) = 0;
//! Sets if the scene node should not copy the materials of the mesh but use them in a read only style.
/* In this way it is possible to change the materials a mesh causing all mesh scene nodes
referencing this mesh to change too. */
virtual void setReadOnlyMaterials(bool readonly) = 0;
//! Returns if the scene node should not copy the materials of the mesh but use them in a read only style
virtual bool isReadOnlyMaterials() = 0;
//! Sets a new mesh
virtual void setMesh(IAnimatedMesh* mesh) = 0;
//! Returns the current mesh
virtual IAnimatedMesh* getMesh(void) = 0;
// returns the absolute transformation for a special MD3 Tag if the mesh is a md3 mesh,
// or the absolutetransformation if it's a normal scenenode
virtual const SMD3QuaterionTag& getMD3TagTransformation( const core::stringc & tagname) = 0;
};
} // end namespace scene
} // end namespace irr
#endif