Initial revision
This commit is contained in:
Steven Fuller
Patryk Obara
parent
218ca90543
commit
2186d5f3f9
572 changed files with 2 additions and 29666 deletions
486
src/shpanim.c
Normal file
486
src/shpanim.c
Normal file
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#include "3dc.h"
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#define UseLocalAssert Yes
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#include "ourasert.h"
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extern int NormalFrameTime;
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extern int NumActiveBlocks;
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extern DISPLAYBLOCK * ActiveBlockList[];
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void CopyAnimationFrameToShape (SHAPEANIMATIONCONTROLDATA *sacd, DISPLAYBLOCK * dptr)
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{
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SHAPEHEADER * shp = dptr->ObShapeData;
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GLOBALASSERT (sacd->current_frame >= 0);
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GLOBALASSERT (sacd->current_frame < (signed)sacd->sequence->num_frames);
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shp->points[0] = sacd->sequence->anim_frames[sacd->current_frame].vertices;
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shp->sh_normals[0] = sacd->sequence->anim_frames[sacd->current_frame].item_normals;
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}
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static void CopyAnimationSequenceDataToObject (SHAPEANIMATIONSEQUENCE * sas, DISPLAYBLOCK * dptr)
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{
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dptr->ObRadius = sas->radius;
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dptr->ObMaxX = sas->max_x;
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dptr->ObMinX = sas->min_x;
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dptr->ObMaxY = sas->max_y;
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dptr->ObMinY = sas->min_y;
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dptr->ObMaxZ = sas->max_z;
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dptr->ObMinZ = sas->min_z;
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}
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static void ChooseNextFrame (SHAPEANIMATIONCONTROLDATA *current)
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{
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while (current->time_to_next_frame <= 0)
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{
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current->time_to_next_frame += current->seconds_per_frame;
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if (current->reversed)
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current->current_frame --;
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else
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current->current_frame ++;
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current->done_a_frame = 1;
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if (current->current_frame >= (signed)current->sequence->num_frames)
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current->current_frame = 0;
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else if (current->current_frame < 0)
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current->current_frame = current->sequence->num_frames-1;
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if (current->current_frame == (signed)current->end_frame
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&& current->done_a_frame
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&& (current->stop_at_end || current->pause_at_end))
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{
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break;
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}
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}
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}
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void DoShapeAnimation (DISPLAYBLOCK * dptr)
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{
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SHAPEANIMATIONCONTROLLER * sac = dptr->ShapeAnimControlBlock;
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SHAPEANIMATIONCONTROLDATA * active_sequence = &sac->current;
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GLOBALASSERT (sac);
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if (!sac->playing)
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return;
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if (active_sequence->empty)
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return;
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active_sequence->time_to_next_frame -= NormalFrameTime;
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if (active_sequence->time_to_next_frame > 0)
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return;
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// At this point we may have switched to the last frame
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// but still had a bit of time left on it
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if ((active_sequence->current_frame == (signed)active_sequence->end_frame
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&& active_sequence->done_a_frame
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&& active_sequence->stop_at_end) || active_sequence->stop_now)
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{
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// set to next, or finished
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if (sac->next.empty)
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{
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sac->finished = 1;
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sac->playing = 0;
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return;
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}
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else
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{
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sac->next.time_to_next_frame = sac->current.time_to_next_frame;
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sac->current = sac->next;
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sac->next.empty = 1;
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active_sequence->time_to_next_frame += active_sequence->seconds_per_frame;
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ChooseNextFrame (active_sequence);
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CopyAnimationSequenceDataToObject (active_sequence->sequence, dptr);
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return;
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}
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}
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else if ( active_sequence->current_frame == (signed)active_sequence->end_frame
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&& active_sequence->done_a_frame
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&& active_sequence->pause_at_end)
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{
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active_sequence->pause_at_end = 0;
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sac->playing = 0;
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active_sequence->done_a_frame = 0;
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return;
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}
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ChooseNextFrame (active_sequence);
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// if we have reached the last frame and we still have time
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// continue else swap sequences
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if (active_sequence->time_to_next_frame <= 0)
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{
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if (active_sequence->current_frame == (signed)active_sequence->end_frame
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&& active_sequence->done_a_frame
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&& active_sequence->stop_at_end)
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{
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// set to next, or finished
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if (sac->next.empty)
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{
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sac->finished = 1;
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sac->playing = 0;
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return;
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}
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else
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{
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sac->next.time_to_next_frame = sac->current.time_to_next_frame;
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// this will change the active_sequence pointers contents
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sac->current = sac->next;
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CopyAnimationSequenceDataToObject (active_sequence->sequence, dptr);
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// If I had a linked list (or queue) of sequences
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// I may want to put the next bit of code differently
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active_sequence->time_to_next_frame += active_sequence->seconds_per_frame;
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ChooseNextFrame (active_sequence);
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return;
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}
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}
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else if ( active_sequence->current_frame == (signed)active_sequence->end_frame
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&& active_sequence->done_a_frame
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&& active_sequence->pause_at_end)
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{
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active_sequence->pause_at_end = 0;
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sac->playing = 0;
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active_sequence->done_a_frame = 0;
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return;
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}
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else
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{
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// Shouldn't be here
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GLOBALASSERT (0);
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}
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}
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}
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void DoAllShapeAnimations ()
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{
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int i;
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for (i=0; i<NumActiveBlocks; i++)
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{
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DISPLAYBLOCK * dptr = ActiveBlockList[i];
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if (dptr->ShapeAnimControlBlock)
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{
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DoShapeAnimation(dptr);
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}
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}
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}
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unsigned int SetShapeAnimationSequence (DISPLAYBLOCK * dptr, SHAPEANIMATIONCONTROLDATA * sacd)
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{
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SHAPEANIMATIONCONTROLLER * sac = dptr->ShapeAnimControlBlock;
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GLOBALASSERT(sac);
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GLOBALASSERT(sacd);
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GLOBALASSERT(sacd->sequence_no < sac->anim_header->num_sequences);
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sac->next.empty = 1;
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sac->playing = 1;
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sac->finished = 0;
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sac->current.sequence_no = sacd->sequence_no;
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sac->current.reversed = sacd->reversed;
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sac->current.stop_at_end = sacd->stop_at_end;
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sac->current.empty = 0;
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sac->current.done_a_frame = 0;
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sac->current.sequence = &sac->anim_header->anim_sequences[sacd->sequence_no];
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sac->current.stop_now = 0;
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sac->current.pause_at_end = 0;
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if (sacd->default_start_and_end_frames)
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{
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if (sacd->reversed)
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{
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sac->current.start_frame = sac->current.sequence->num_frames-1;
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sac->current.end_frame = 0;
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}
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else
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{
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sac->current.start_frame = 0;
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sac->current.end_frame = sac->current.sequence->num_frames-1;
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}
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}
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else
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{
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sac->current.start_frame = sacd->start_frame;
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sac->current.end_frame = sacd->end_frame;
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}
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sac->current.seconds_per_frame = sacd->seconds_per_frame;
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sac->current.current_frame = sac->current.start_frame;
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sac->current.time_to_next_frame = sac->current.seconds_per_frame;
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CopyAnimationSequenceDataToObject (sac->current.sequence, dptr);
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return(1);
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}
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unsigned int SetNextShapeAnimationSequence (DISPLAYBLOCK * dptr, SHAPEANIMATIONCONTROLDATA * sacd)
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{
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SHAPEANIMATIONCONTROLLER * sac = dptr->ShapeAnimControlBlock;
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GLOBALASSERT(sac);
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GLOBALASSERT(sacd);
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GLOBALASSERT(sacd->sequence_no < sac->anim_header->num_sequences);
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if (sac->current.empty)
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{
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return(SetShapeAnimationSequence (dptr,sacd));
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}
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if (sac->finished)
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{
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return(0);
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}
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sac->next.sequence_no = sacd->sequence_no;
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sac->next.reversed = sacd->reversed;
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sac->next.stop_at_end = sacd->stop_at_end;
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sac->next.empty = 0;
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sac->next.done_a_frame = 0;
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sac->next.sequence = &sac->anim_header->anim_sequences[sacd->sequence_no];
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sac->next.stop_now = 0;
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sac->next.pause_at_end = 0;
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if (sacd->default_start_and_end_frames)
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{
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if (sacd->reversed)
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{
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sac->next.start_frame = sac->next.sequence->num_frames-1;
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sac->next.end_frame = 0;
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}
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else
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{
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sac->next.start_frame = 0;
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sac->next.end_frame = sac->next.sequence->num_frames-1;
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}
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}
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else
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{
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sac->next.start_frame = sacd->start_frame;
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sac->next.end_frame = sacd->end_frame;
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}
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sac->next.seconds_per_frame = sacd->seconds_per_frame;
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sac->next.current_frame = sac->next.start_frame;
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sac->next.time_to_next_frame = sac->next.seconds_per_frame;
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return(1);
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}
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void InitShapeAnimationController (SHAPEANIMATIONCONTROLLER * sac, SHAPEHEADER * shd)
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{
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GLOBALASSERT(shd);
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GLOBALASSERT(shd->animation_header);
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sac->current.empty = 1;
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sac->next.empty = 1;
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sac->anim_header = shd->animation_header;
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sac->playing = 0;
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}
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void SetCurrentShapeAnimationToStop (DISPLAYBLOCK * dptr, unsigned long stop_now, signed long end_frame)
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{
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SHAPEANIMATIONCONTROLLER * sac = dptr->ShapeAnimControlBlock;
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GLOBALASSERT(sac);
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if (stop_now)
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{
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sac->current.stop_now = 1;
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return;
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}
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if (end_frame != -1)
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{
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GLOBALASSERT (end_frame >= 0);
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GLOBALASSERT (end_frame < (signed)sac->current.sequence->num_frames);
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sac->current.end_frame = end_frame;
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}
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sac->current.stop_at_end = 1;
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}
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SHAPEANIMATIONCONTROLDATA const * GetCurrentShapeAnimationSequenceData (DISPLAYBLOCK * dptr)
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{
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SHAPEANIMATIONCONTROLLER * sac = dptr->ShapeAnimControlBlock;
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if (sac)
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{
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if (!sac->current.empty)
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return(&sac->current);
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}
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return(0);
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}
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SHAPEANIMATIONCONTROLDATA const * GetNextShapeAnimationSequenceData (DISPLAYBLOCK * dptr)
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{
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SHAPEANIMATIONCONTROLLER * sac = dptr->ShapeAnimControlBlock;
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if (sac)
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{
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if (!sac->next.empty)
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return(&sac->next);
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}
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return(0);
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}
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void PauseCurrentShapeAnimation (DISPLAYBLOCK * dptr, unsigned long pause_now, signed long end_frame)
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{
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SHAPEANIMATIONCONTROLLER * sac = dptr->ShapeAnimControlBlock;
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GLOBALASSERT(sac);
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if (pause_now)
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{
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sac->playing = 0;
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return;
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}
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if (end_frame != -1)
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{
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GLOBALASSERT (end_frame >= 0);
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GLOBALASSERT (end_frame < (signed)sac->current.sequence->num_frames);
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sac->current.end_frame = end_frame;
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}
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sac->current.pause_at_end = 1;
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}
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void RestartCurrentShapeAnimation (DISPLAYBLOCK * dptr)
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{
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SHAPEANIMATIONCONTROLLER * sac = dptr->ShapeAnimControlBlock;
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GLOBALASSERT(sac);
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sac->playing = 1;
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sac->current.pause_at_end = 0;
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}
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void InitShapeAnimationControlData (SHAPEANIMATIONCONTROLDATA * sacd)
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{
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GLOBALASSERT(sacd);
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sacd->seconds_per_frame = 8192;
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sacd->sequence_no = 0;
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sacd->default_start_and_end_frames = 1;
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sacd->reversed = 0;
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sacd->stop_at_end = 0;
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}
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unsigned int SetOrphanedShapeAnimationSequence (SHAPEANIMATIONCONTROLLER * sac, SHAPEANIMATIONCONTROLDATA * sacd)
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{
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GLOBALASSERT(sac);
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GLOBALASSERT(sacd);
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GLOBALASSERT(sacd->sequence_no < sac->anim_header->num_sequences);
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sac->next.empty = 1;
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sac->playing = 1;
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sac->finished = 0;
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sac->current.sequence_no = sacd->sequence_no;
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sac->current.reversed = sacd->reversed;
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sac->current.stop_at_end = sacd->stop_at_end;
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sac->current.empty = 0;
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sac->current.done_a_frame = 0;
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sac->current.sequence = &sac->anim_header->anim_sequences[sacd->sequence_no];
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sac->current.stop_now = 0;
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sac->current.pause_at_end = 0;
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if (sacd->default_start_and_end_frames)
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{
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if (sacd->reversed)
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{
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sac->current.start_frame = sac->current.sequence->num_frames-1;
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sac->current.end_frame = 0;
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}
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else
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{
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sac->current.start_frame = 0;
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sac->current.end_frame = sac->current.sequence->num_frames-1;
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}
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}
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else
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{
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sac->current.start_frame = sacd->start_frame;
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sac->current.end_frame = sacd->end_frame;
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}
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sac->current.seconds_per_frame = sacd->seconds_per_frame;
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sac->current.current_frame = sac->current.start_frame;
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sac->current.time_to_next_frame = sac->current.seconds_per_frame;
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/* CopyAnimationSequenceDataToObject (sac->current.sequence, dptr); */
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return(1);
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}
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