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75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
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// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __I_ANIMATED_MESH_H_INCLUDED__
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#define __I_ANIMATED_MESH_H_INCLUDED__
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#include "aabbox3d.h"
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#include "IMesh.h"
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namespace irr
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{
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namespace scene
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{
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//! Interface for an animated mesh.
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/** There are already simple implementations of this interface available so
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you don't have to implement this interface on your own if you need to:
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You might want to use irr::scene::SAnimatedMesh, irr::scene::SMesh,
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irr::scene::SMeshBuffer etc. */
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class IAnimatedMesh : public IMesh
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{
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public:
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//! Gets the frame count of the animated mesh.
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/** Note that the play-time is usually getFrameCount()-1 as it stops as soon as the last frame-key is reached.
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\return The amount of frames. If the amount is 1,
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it is a static, non animated mesh. */
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virtual u32 getFrameCount() const = 0;
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//! Gets the animation speed of the animated mesh.
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/** \return The number of frames per second to play the
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animation with by default. If the amount is 0,
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it is a static, non animated mesh. */
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virtual f32 getAnimationSpeed() const = 0;
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//! Sets the animation speed of the animated mesh.
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/** \param fps Number of frames per second to play the
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animation with by default. If the amount is 0,
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it is not animated. The actual speed is set in the
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scene node the mesh is instantiated in.*/
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virtual void setAnimationSpeed(f32 fps) =0;
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//! Returns the IMesh interface for a frame.
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/** \param frame: Frame number as zero based index. The maximum
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frame number is getFrameCount() - 1;
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\param detailLevel: Level of detail. 0 is the lowest, 255 the
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highest level of detail. Most meshes will ignore the detail level.
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\param startFrameLoop: Because some animated meshes (.MD2) are
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blended between 2 static frames, and maybe animated in a loop,
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the startFrameLoop and the endFrameLoop have to be defined, to
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prevent the animation to be blended between frames which are
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outside of this loop.
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If startFrameLoop and endFrameLoop are both -1, they are ignored.
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\param endFrameLoop: see startFrameLoop.
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\return Returns the animated mesh based on a detail level. */
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virtual IMesh* getMesh(s32 frame, s32 detailLevel=255, s32 startFrameLoop=-1, s32 endFrameLoop=-1) = 0;
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//! Returns the type of the animated mesh.
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/** In most cases it is not necessary to use this method.
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This is useful for making a safe downcast. For example,
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if getMeshType() returns EAMT_MD2 it's safe to cast the
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IAnimatedMesh to IAnimatedMeshMD2.
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\returns Type of the mesh. */
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virtual E_ANIMATED_MESH_TYPE getMeshType() const _IRR_OVERRIDE_
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{
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return EAMT_UNKNOWN;
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}
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};
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} // end namespace scene
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} // end namespace irr
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#endif
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