201 lines
No EOL
4.1 KiB
C
201 lines
No EOL
4.1 KiB
C
#ifndef _shp_anim_h
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#define _shp_anim_h 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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Structures for animating shapes (not morphing)
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I am using standard types to organise the
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sequences as an enum would force a complete
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recompile each time it changed
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*/
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typedef struct shapeanimationframe
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{
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// Public variables
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// Private variables
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int * vertices;
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int * item_normals;
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} SHAPEANIMATIONFRAME;
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typedef struct shapeanimationsequence
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{
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// Public variables
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int radius;
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int max_x;
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int max_y;
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int max_z;
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int min_x;
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int min_y;
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int min_z;
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// Private variables
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unsigned long num_frames;
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SHAPEANIMATIONFRAME * anim_frames;
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// unsigned long num_interpolated_frames_per_frame;
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// 0 for none
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int * vertex_normals;
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} SHAPEANIMATIONSEQUENCE;
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typedef struct shapeanimationheader
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{
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// Public variables
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// Private variables
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unsigned long num_sequences;
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SHAPEANIMATIONSEQUENCE * anim_sequences;
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int num_shapes_using_this; //number of shapes sharing the same shapeanimationheader
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} SHAPEANIMATIONHEADER;
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typedef struct shapeanimationcontroldata
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{
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// Public variables
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// 16.16 fixed point
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unsigned long seconds_per_frame;
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// default is ONE_FIXED / 8
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unsigned long sequence_no;
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// default is 0
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// if you're not interested in setting a start and an end frame
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// then set the flag 'default_start_and_end_frames' below
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unsigned long start_frame;
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unsigned long end_frame;
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// no default values
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unsigned long default_start_and_end_frames : 1;
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// default is on
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unsigned long reversed : 1;
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// default is off
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unsigned long stop_at_end : 1;
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// default is off
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// Private variables
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unsigned long empty : 1;
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unsigned long stop_now : 1;
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unsigned long pause_at_end : 1;
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// if start_frame == end_frame
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// then do not stop unless it has done at least one frame
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unsigned long done_a_frame : 1;
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SHAPEANIMATIONSEQUENCE * sequence;
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signed long current_frame;
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signed long time_to_next_frame;
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} SHAPEANIMATIONCONTROLDATA;
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typedef struct shapeanimationcontroller
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{
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// Public variables
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SHAPEANIMATIONCONTROLDATA current;
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SHAPEANIMATIONCONTROLDATA next;
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unsigned long finished : 1;
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// Private variables
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unsigned long playing : 1;
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SHAPEANIMATIONHEADER * anim_header;
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} SHAPEANIMATIONCONTROLLER;
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//////////////////////////////////////////////////////////////////////////////////
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///////////////////////////// Funtions /////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////
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struct displayblock;
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struct shapeheader;
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// This sets the current animation (and the next to empty)
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unsigned int SetShapeAnimationSequence (struct displayblock *, SHAPEANIMATIONCONTROLDATA *);
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unsigned int SetOrphanedShapeAnimationSequence (SHAPEANIMATIONCONTROLLER * sac, SHAPEANIMATIONCONTROLDATA * sacd);
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// This sets the next animation (if the current is empty it will set the current)
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unsigned int SetNextShapeAnimationSequence (struct displayblock *, SHAPEANIMATIONCONTROLDATA *);
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// stop_now == 1 will cause the function to ignore the end_frame value
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// set end_frame to -1 for no change to the ending frame of the sequence
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void SetCurrentShapeAnimationToStop (struct displayblock *, unsigned long stop_now, signed long end_frame);
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SHAPEANIMATIONCONTROLDATA const * GetCurrentShapeAnimationSequenceData (struct displayblock *);
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SHAPEANIMATIONCONTROLDATA const * GetNextShapeAnimationSequenceData (struct displayblock *);
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// pause_now == 1 will cause the function to ignore the end_frame value
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// set end_frame to -1 for no change to the ending frame of the sequence
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void PauseCurrentShapeAnimation (struct displayblock *, unsigned long pause_now, signed long end_frame);
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void RestartCurrentShapeAnimation (struct displayblock *);
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// Please use these functions, whenever you create a block of each type
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void InitShapeAnimationController (SHAPEANIMATIONCONTROLLER *, struct shapeheader *);
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void InitShapeAnimationControlData (SHAPEANIMATIONCONTROLDATA *);
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// These are for the system
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void DoAllShapeAnimations ();
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void CopyAnimationFrameToShape (SHAPEANIMATIONCONTROLDATA *sacd, struct displayblock * dptr);
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#ifdef __cplusplus
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};
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#endif
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#endif |