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Support floating-point animation frame numbers

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Lars Mueller 2024-09-02 21:11:08 +02:00 • committed by Lars Müller
parent 323fc0a798
commit 06907aa99b
22 changed files with 111 additions and 105 deletions
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24
irr/include/IAnimatedMesh.h
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@ -19,11 +19,8 @@ irr::scene::SMeshBuffer etc. */
class IAnimatedMesh : public IMesh
{
public:
//! Gets the frame count of the animated mesh.
/** Note that the play-time is usually getFrameCount()-1 as it stops as soon as the last frame-key is reached.
\return The amount of frames. If the amount is 1,
it is a static, non animated mesh. */
virtual u32 getFrameCount() const = 0;
//! Gets the maximum frame number, 0 if the mesh is static.
virtual f32 getMaxFrameNumber() const = 0;
//! Gets the animation speed of the animated mesh.
/** \return The number of frames per second to play the
@ -39,19 +36,10 @@ public:
virtual void setAnimationSpeed(f32 fps) = 0;
//! Returns the IMesh interface for a frame.
/** \param frame: Frame number as zero based index. The maximum
frame number is getFrameCount() - 1;
\param detailLevel: Level of detail. 0 is the lowest, 255 the
highest level of detail. Most meshes will ignore the detail level.
\param startFrameLoop: Because some animated meshes (.MD2) are
blended between 2 static frames, and maybe animated in a loop,
the startFrameLoop and the endFrameLoop have to be defined, to
prevent the animation to be blended between frames which are
outside of this loop.
If startFrameLoop and endFrameLoop are both -1, they are ignored.
\param endFrameLoop: see startFrameLoop.
\return Returns the animated mesh based on a detail level. */
virtual IMesh *getMesh(s32 frame, s32 detailLevel = 255, s32 startFrameLoop = -1, s32 endFrameLoop = -1) = 0;
/** \param frame: Frame number, >= 0, <= getMaxFrameNumber()
Linear interpolation is used if this is between two frames.
\return Returns the animated mesh for the given frame */
virtual IMesh *getMesh(f32 frame) = 0;
//! Returns the type of the animated mesh.
/** In most cases it is not necessary to use this method.