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11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
37 morph_data morph_objects[MAX_MORPH_OBJECTS];
39 //returns ptr to data for this object, or NULL if none
40 morph_data *find_morph_data(object *obj)
45 if (Newdemo_state == ND_STATE_PLAYBACK) {
46 morph_objects[0].obj = obj;
47 return &morph_objects[0];
51 for (i=0;i<MAX_MORPH_OBJECTS;i++)
52 if (morph_objects[i].obj == obj)
53 return &morph_objects[i];
59 //takes pm, fills in min & max
60 void find_min_max(polymodel *pm,int submodel_num,vms_vector *minv,vms_vector *maxv)
66 data = (ushort *) &pm->model_data[pm->submodel_ptrs[submodel_num]];
70 Assert(type == 7 || type == 1);
75 data+=2; //skip start & pad
77 vp = (vms_vector *) data;
79 *minv = *maxv = *vp++; nverts--;
82 if (vp->x > maxv->x) maxv->x = vp->x;
83 if (vp->y > maxv->y) maxv->y = vp->y;
84 if (vp->z > maxv->z) maxv->z = vp->z;
86 if (vp->x < minv->x) minv->x = vp->x;
87 if (vp->y < minv->y) minv->y = vp->y;
88 if (vp->z < minv->z) minv->z = vp->z;
95 #define MORPH_RATE (f1_0*3)
97 fix morph_rate = MORPH_RATE;
99 void init_points(polymodel *pm,vms_vector *box_size,int submodel_num,morph_data *md)
106 //printf("initing %d ",submodel_num);
108 data = (ushort *) &pm->model_data[pm->submodel_ptrs[submodel_num]];
112 Assert(type == 7 || type == 1);
116 md->n_morphing_points[submodel_num] = 0;
119 i = *data++; //get start point number
123 i = 0; //start at zero
125 Assert(i+nverts < MAX_VECS);
127 md->submodel_startpoints[submodel_num] = i;
129 vp = (vms_vector *) data;
139 if (vp->x && f2i(box_size->x)<abs(vp->x)/2 && (t = fixdiv(box_size->x,abs(vp->x))) < k) k=t;
140 if (vp->y && f2i(box_size->y)<abs(vp->y)/2 && (t = fixdiv(box_size->y,abs(vp->y))) < k) k=t;
141 if (vp->z && f2i(box_size->z)<abs(vp->z)/2 && (t = fixdiv(box_size->z,abs(vp->z))) < k) k=t;
143 if (k==0x7fffffff) k=0;
149 vm_vec_copy_scale(&md->morph_vecs[i],vp,k);
151 dist = vm_vec_normalized_dir_quick(&md->morph_deltas[i],vp,&md->morph_vecs[i]);
153 md->morph_times[i] = fixdiv(dist,morph_rate);
155 if (md->morph_times[i] != 0)
156 md->n_morphing_points[submodel_num]++;
158 vm_vec_scale(&md->morph_deltas[i],morph_rate);
164 //printf("npoints = %d\n",n_morphing_points[submodel_num]);
168 void update_points(polymodel *pm,int submodel_num,morph_data *md)
175 //printf("updating %d ",submodel_num);
177 data = (ushort *) &pm->model_data[pm->submodel_ptrs[submodel_num]];
181 Assert(type == 7 || type == 1);
186 i = *data++; //get start point number
190 i = 0; //start at zero
192 vp = (vms_vector *) data;
196 if (md->morph_times[i]) //not done yet
199 if ((md->morph_times[i] -= FrameTime) <= 0) {
200 md->morph_vecs[i] = *vp;
201 md->morph_times[i] = 0;
202 md->n_morphing_points[submodel_num]--;
205 vm_vec_scale_add2(&md->morph_vecs[i],&md->morph_deltas[i],FrameTime);
211 //printf("npoints = %d\n",n_morphing_points[submodel_num]);
215 //process the morphing object for one frame
216 void do_morph_frame(object *obj)
222 md = find_morph_data(obj);
224 if (md == NULL) { //maybe loaded half-morphed from disk
225 obj->flags |= OF_SHOULD_BE_DEAD; //..so kill it
229 pm = &Polygon_models[md->obj->rtype.pobj_info.model_num];
231 //printf("morph_frame active = ");
232 //for (i=0;i<pm->n_models;i++)
233 // printf("%d ",submodel_active[i]);
237 for (i=0;i<pm->n_models;i++)
238 if (md->submodel_active[i]==1) {
240 update_points(pm,i,md);
242 if (md->n_morphing_points[i] == 0) { //maybe start submodel
245 md->submodel_active[i] = 2; //not animating, just visible
247 md->n_submodels_active--; //this one done animating
249 for (t=0;t<pm->n_models;t++)
250 if (pm->submodel_parents[t] == i) { //start this one
252 init_points(pm,NULL,t,md);
253 md->n_submodels_active++;
254 md->submodel_active[t] = 1;
261 if (!md->n_submodels_active) { //done morphing!
263 md->obj->control_type = md->morph_save_control_type;
264 md->obj->movement_type = md->morph_save_movement_type;
266 md->obj->render_type = RT_POLYOBJ;
268 md->obj->mtype.phys_info = md->morph_save_phys_info;
275 vms_vector morph_rotvel = {0x4000,0x2000,0x1000};
281 for (i=0;i<MAX_MORPH_OBJECTS;i++)
282 morph_objects[i].obj = NULL;
286 //make the object morph
287 void morph_start(object *obj)
290 vms_vector pmmin,pmmax;
295 for (i=0;i<MAX_MORPH_OBJECTS;i++)
296 if (morph_objects[i].obj == NULL || morph_objects[i].obj->type==OBJ_NONE || morph_objects[i].obj->signature!=morph_objects[i].Morph_sig)
299 if (i==MAX_MORPH_OBJECTS) //no free slots
302 md = &morph_objects[i];
304 Assert(obj->render_type == RT_POLYOBJ);
307 md->Morph_sig = obj->signature;
309 md->morph_save_control_type = obj->control_type;
310 md->morph_save_movement_type = obj->movement_type;
311 md->morph_save_phys_info = obj->mtype.phys_info;
313 Assert(obj->control_type == CT_AI); //morph objects are also AI objects
315 obj->control_type = CT_MORPH;
316 obj->render_type = RT_MORPH;
317 obj->movement_type = MT_PHYSICS; //RT_NONE;
319 obj->mtype.phys_info.rotvel = morph_rotvel;
321 pm = &Polygon_models[obj->rtype.pobj_info.model_num];
323 find_min_max(pm,0,&pmmin,&pmmax);
325 box_size.x = max(-pmmin.x,pmmax.x) / 2;
326 box_size.y = max(-pmmin.y,pmmax.y) / 2;
327 box_size.z = max(-pmmin.z,pmmax.z) / 2;
329 for (i=0;i<MAX_VECS;i++) //clear all points
330 md->morph_times[i] = 0;
332 for (i=1;i<MAX_SUBMODELS;i++) //clear all parts
333 md->submodel_active[i] = 0;
335 md->submodel_active[0] = 1; //1 means visible & animating
337 md->n_submodels_active = 1;
339 //now, project points onto surface of box
341 init_points(pm,&box_size,0,md);
345 void draw_model(polymodel *pm,int submodel_num,vms_angvec *anim_angles,fix light,morph_data *md)
349 int sort_list[MAX_SUBMODELS],sort_n;
352 //first, sort the submodels
354 sort_list[0] = submodel_num;
357 for (i=0;i<pm->n_models;i++)
359 if (md->submodel_active[i] && pm->submodel_parents[i]==submodel_num) {
361 facing = g3_check_normal_facing(&pm->submodel_pnts[i],&pm->submodel_norms[i]);
365 sort_list[sort_n++] = i;
367 else { //put at start
370 for (t=sort_n;t>0;t--)
371 sort_list[t] = sort_list[t-1];
383 //now draw everything
385 for (i=0;i<sort_n;i++) {
389 if (mn == submodel_num) {
392 for (i=0;i<pm->n_textures;i++) {
393 texture_list_index[i] = ObjBitmaps[ObjBitmapPtrs[pm->first_texture+i]];
394 texture_list[i] = &GameBitmaps[ObjBitmaps[ObjBitmapPtrs[pm->first_texture+i]].index];
397 #ifdef PIGGY_USE_PAGING
398 // Make sure the textures for this object are paged in...
399 piggy_page_flushed = 0;
400 for (i=0;i<pm->n_textures;i++)
401 PIGGY_PAGE_IN( texture_list_index[i] );
402 // Hmmm... cache got flushed in the middle of paging all these in,
403 // so we need to reread them all in.
404 if (piggy_page_flushed) {
405 piggy_page_flushed = 0;
406 for (i=0;i<pm->n_textures;i++)
407 PIGGY_PAGE_IN( texture_list_index[i] );
409 // Make sure that they can all fit in memory.
410 Assert( piggy_page_flushed == 0 );
414 g3_draw_morphing_model(&pm->model_data[pm->submodel_ptrs[submodel_num]],texture_list,anim_angles,light,&md->morph_vecs[md->submodel_startpoints[submodel_num]]);
421 vm_angles_2_matrix(&orient,&anim_angles[mn]);
423 g3_start_instance_matrix(&pm->submodel_offsets[mn],&orient);
425 draw_model(pm,mn,anim_angles,light,md);
434 void draw_morph_object(object *obj)
441 md = find_morph_data(obj);
444 Assert(obj->rtype.pobj_info.model_num < N_polygon_models);
446 po=&Polygon_models[obj->rtype.pobj_info.model_num];
448 light = compute_object_light(obj,NULL);
450 g3_start_instance_matrix(&obj->pos,&obj->orient);
451 g3_set_interp_points(robot_points);
453 draw_model(po,0,obj->rtype.pobj_info.anim_angles,light,md);
458 if (Newdemo_state == ND_STATE_RECORDING)
459 newdemo_record_morph_frame(md);