diff options
Diffstat (limited to '3dc/MORPH.C')
| -rw-r--r-- | 3dc/MORPH.C | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/3dc/MORPH.C b/3dc/MORPH.C deleted file mode 100644 index d868a50..0000000 --- a/3dc/MORPH.C +++ /dev/null @@ -1,322 +0,0 @@ -#include "3dc.h" - -#include "inline.h" - - -/* - externs for commonly used global variables and arrays -*/ - - extern MORPHDISPLAY MorphDisplay; - extern int NormalFrameTime; - - -/* - - Global Variables - -*/ - - - - - -/* - - Update Morphing Animation Control Block - -*/ - -void UpdateMorphing(MORPHCTRL *mcptr) - -{ - - MORPHHEADER *mhdr = mcptr->ObMorphHeader; - int UpdateRate; - - - /*textprint("UpdateMorphing\n");*/ - - - if(mcptr->ObMorphFlags & mph_flag_play) { - - /* How fast? */ - - if(mcptr->ObMorphSpeed == ONE_FIXED) { - - UpdateRate = NormalFrameTime; - - } - - else { - - UpdateRate = MUL_FIXED(NormalFrameTime, mcptr->ObMorphSpeed); - - } - - - /* Update the current frame */ - - if(mcptr->ObMorphFlags & mph_flag_reverse) { - - mcptr->ObMorphCurrFrame -= UpdateRate; - - if(mcptr->ObMorphCurrFrame < 0) { - - if(mcptr->ObMorphFlags & mph_flag_noloop) { - - mcptr->ObMorphCurrFrame = 0; - - /* The sequence has finished and we are at the start */ - - mcptr->ObMorphFlags |= (mph_flag_finished | mph_flag_start); - - } - - else { - - mcptr->ObMorphCurrFrame += mhdr->mph_maxframes; - - /* The sequence has looped and we are back at the end */ - - mcptr->ObMorphFlags |= (mph_flag_looped | mph_flag_end); - - } - - } - - } - - else { - - mcptr->ObMorphCurrFrame += UpdateRate; - - if(mcptr->ObMorphCurrFrame >= mhdr->mph_maxframes) { - - if(mcptr->ObMorphFlags & mph_flag_noloop) { - - /* The sequence has finished and we are at the end */ - - mcptr->ObMorphFlags |= (mph_flag_finished | mph_flag_end); - - mcptr->ObMorphCurrFrame = mhdr->mph_maxframes - 1; - - } - - else { - - mcptr->ObMorphCurrFrame -= mhdr->mph_maxframes; - - /* The sequence has looped and we are back at the start */ - - mcptr->ObMorphFlags |= (mph_flag_looped | mph_flag_start); - - } - - } - - } - - } - -} - - - -/* - - Update the Morphing Animation for this object - -*/ - -void UpdateMorphingDptr(DISPLAYBLOCK *dptr) - -{ - - SHAPEHEADER *sptr1; - SHAPEHEADER *sptr2; - - - /* Update object radius and extents */ - - GetMorphDisplay(&MorphDisplay, dptr); - - sptr1 = MorphDisplay.md_sptr1; - sptr2 = MorphDisplay.md_sptr2; - - #if 0 - textprint("sptr1->shaperadius = %d\n", sptr1->shaperadius); - textprint("sptr2->shaperadius = %d\n", sptr2->shaperadius); - #endif - - - /* Radius */ - - if(sptr1->shaperadius == sptr2->shaperadius) { - - dptr->ObRadius = sptr1->shaperadius; - - } - - else { - - dptr->ObRadius = WideMul2NarrowDiv(sptr1->shaperadius, - MorphDisplay.md_one_minus_lerp, - sptr2->shaperadius, - MorphDisplay.md_lerp, ONE_FIXED); - - } - - - /* X Extent */ - - if(sptr1->shapemaxx == sptr2->shapemaxx) { - - dptr->ObMaxX = sptr1->shapemaxx; - - } - - else { - - dptr->ObMaxX = WideMul2NarrowDiv(sptr1->shapemaxx, - MorphDisplay.md_one_minus_lerp, - sptr2->shapemaxx, - MorphDisplay.md_lerp, ONE_FIXED); - - } - - if(sptr1->shapeminx == sptr2->shapeminx) { - - dptr->ObMinX = sptr1->shapeminx; - - } - - else { - - dptr->ObMinX = WideMul2NarrowDiv(sptr1->shapeminx, - MorphDisplay.md_one_minus_lerp, - sptr2->shapeminx, - MorphDisplay.md_lerp, ONE_FIXED); - - } - - - /* Y Extent */ - - if(sptr1->shapemaxy == sptr2->shapemaxy) { - - dptr->ObMaxY = sptr1->shapemaxy; - - } - - else { - - dptr->ObMaxY = WideMul2NarrowDiv(sptr1->shapemaxy, - MorphDisplay.md_one_minus_lerp, - sptr2->shapemaxy, - MorphDisplay.md_lerp, ONE_FIXED); - - } - - if(sptr1->shapeminy == sptr2->shapeminy) { - - dptr->ObMinY = sptr1->shapeminy; - - } - - else { - - dptr->ObMinY = WideMul2NarrowDiv(sptr1->shapeminy, - MorphDisplay.md_one_minus_lerp, - sptr2->shapeminy, - MorphDisplay.md_lerp, ONE_FIXED); - - } - - - /* Z Extent */ - - if(sptr1->shapemaxz == sptr2->shapemaxz) { - - dptr->ObMaxZ = sptr1->shapemaxz; - - } - - else { - - dptr->ObMaxZ = WideMul2NarrowDiv(sptr1->shapemaxz, - MorphDisplay.md_one_minus_lerp, - sptr2->shapemaxz, - MorphDisplay.md_lerp, ONE_FIXED); - - } - - if(sptr1->shapeminz == sptr2->shapeminz) { - - dptr->ObMinZ = sptr1->shapeminz; - - } - - else { - - dptr->ObMinZ = WideMul2NarrowDiv(sptr1->shapeminz, - MorphDisplay.md_one_minus_lerp, - sptr2->shapeminz, - MorphDisplay.md_lerp, ONE_FIXED); - - } - - #if 0 - textprint("dptr->ObRadius = %d\n", dptr->ObRadius); - #endif - -} - - - -/* - - Using the current frame, calculate the lerp values and find out which two - shapes to interpolate between. - - Write this information back to a MORPHDISPLAY structure. - -*/ - -void GetMorphDisplay(MORPHDISPLAY *md, DISPLAYBLOCK *dptr) - -{ - - MORPHFRAME *mdata; - MORPHCTRL *mc = dptr->ObMorphCtrl; - MORPHHEADER *mhdr = mc->ObMorphHeader; - - - md->md_lerp = mc->ObMorphCurrFrame & 0xffff; - md->md_one_minus_lerp = ONE_FIXED - md->md_lerp; - - mdata = mhdr->mph_frames; - mdata = &mdata[mc->ObMorphCurrFrame >> 16]; - - md->md_shape1 = mdata->mf_shape1; - md->md_shape2 = mdata->mf_shape2; - - md->md_sptr1 = GetShapeData(md->md_shape1); - md->md_sptr2 = GetShapeData(md->md_shape2); - -} - - -void CopyMorphCtrl(MORPHCTRL *src, MORPHCTRL *dst) - -{ - - dst->ObMorphCurrFrame = src->ObMorphCurrFrame; - dst->ObMorphFlags = src->ObMorphFlags; - dst->ObMorphSpeed = src->ObMorphSpeed; - dst->ObMorphHeader = src->ObMorphHeader; - -} - - -
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