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8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
19 static char rcsid[] = "$Id: morph.c,v 1.2 2001-01-31 15:17:54 bradleyb Exp $";
43 morph_data morph_objects[MAX_MORPH_OBJECTS];
45 //returns ptr to data for this object, or NULL if none
46 morph_data *find_morph_data(object *obj)
51 if (Newdemo_state == ND_STATE_PLAYBACK) {
52 morph_objects[0].obj = obj;
53 return &morph_objects[0];
57 for (i=0;i<MAX_MORPH_OBJECTS;i++)
58 if (morph_objects[i].obj == obj)
59 return &morph_objects[i];
65 //takes pm, fills in min & max
66 void find_min_max(polymodel *pm,int submodel_num,vms_vector *minv,vms_vector *maxv)
72 data = (ushort *) &pm->model_data[pm->submodel_ptrs[submodel_num]];
76 Assert(type == 7 || type == 1);
81 data+=2; //skip start & pad
83 vp = (vms_vector *) data;
85 *minv = *maxv = *vp++; nverts--;
88 if (vp->x > maxv->x) maxv->x = vp->x;
89 if (vp->y > maxv->y) maxv->y = vp->y;
90 if (vp->z > maxv->z) maxv->z = vp->z;
92 if (vp->x < minv->x) minv->x = vp->x;
93 if (vp->y < minv->y) minv->y = vp->y;
94 if (vp->z < minv->z) minv->z = vp->z;
101 #define MORPH_RATE (f1_0*3)
103 fix morph_rate = MORPH_RATE;
105 void init_points(polymodel *pm,vms_vector *box_size,int submodel_num,morph_data *md)
112 //printf("initing %d ",submodel_num);
114 data = (ushort *) &pm->model_data[pm->submodel_ptrs[submodel_num]];
118 Assert(type == 7 || type == 1);
122 md->n_morphing_points[submodel_num] = 0;
125 i = *data++; //get start point number
129 i = 0; //start at zero
131 Assert(i+nverts < MAX_VECS);
133 md->submodel_startpoints[submodel_num] = i;
135 vp = (vms_vector *) data;
145 if (vp->x && f2i(box_size->x)<abs(vp->x)/2 && (t = fixdiv(box_size->x,abs(vp->x))) < k) k=t;
146 if (vp->y && f2i(box_size->y)<abs(vp->y)/2 && (t = fixdiv(box_size->y,abs(vp->y))) < k) k=t;
147 if (vp->z && f2i(box_size->z)<abs(vp->z)/2 && (t = fixdiv(box_size->z,abs(vp->z))) < k) k=t;
149 if (k==0x7fffffff) k=0;
155 vm_vec_copy_scale(&md->morph_vecs[i],vp,k);
157 dist = vm_vec_normalized_dir_quick(&md->morph_deltas[i],vp,&md->morph_vecs[i]);
159 md->morph_times[i] = fixdiv(dist,morph_rate);
161 if (md->morph_times[i] != 0)
162 md->n_morphing_points[submodel_num]++;
164 vm_vec_scale(&md->morph_deltas[i],morph_rate);
170 //printf("npoints = %d\n",n_morphing_points[submodel_num]);
174 void update_points(polymodel *pm,int submodel_num,morph_data *md)
181 //printf("updating %d ",submodel_num);
183 data = (ushort *) &pm->model_data[pm->submodel_ptrs[submodel_num]];
187 Assert(type == 7 || type == 1);
192 i = *data++; //get start point number
196 i = 0; //start at zero
198 vp = (vms_vector *) data;
202 if (md->morph_times[i]) //not done yet
205 if ((md->morph_times[i] -= FrameTime) <= 0) {
206 md->morph_vecs[i] = *vp;
207 md->morph_times[i] = 0;
208 md->n_morphing_points[submodel_num]--;
211 vm_vec_scale_add2(&md->morph_vecs[i],&md->morph_deltas[i],FrameTime);
217 //printf("npoints = %d\n",n_morphing_points[submodel_num]);
221 //process the morphing object for one frame
222 void do_morph_frame(object *obj)
228 md = find_morph_data(obj);
230 if (md == NULL) { //maybe loaded half-morphed from disk
231 obj->flags |= OF_SHOULD_BE_DEAD; //..so kill it
235 pm = &Polygon_models[md->obj->rtype.pobj_info.model_num];
237 //printf("morph_frame active = ");
238 //for (i=0;i<pm->n_models;i++)
239 // printf("%d ",submodel_active[i]);
243 for (i=0;i<pm->n_models;i++)
244 if (md->submodel_active[i]==1) {
246 update_points(pm,i,md);
248 if (md->n_morphing_points[i] == 0) { //maybe start submodel
251 md->submodel_active[i] = 2; //not animating, just visible
253 md->n_submodels_active--; //this one done animating
255 for (t=0;t<pm->n_models;t++)
256 if (pm->submodel_parents[t] == i) { //start this one
258 init_points(pm,NULL,t,md);
259 md->n_submodels_active++;
260 md->submodel_active[t] = 1;
267 if (!md->n_submodels_active) { //done morphing!
269 md->obj->control_type = md->morph_save_control_type;
270 md->obj->movement_type = md->morph_save_movement_type;
272 md->obj->render_type = RT_POLYOBJ;
274 md->obj->mtype.phys_info = md->morph_save_phys_info;
281 vms_vector morph_rotvel = {0x4000,0x2000,0x1000};
287 for (i=0;i<MAX_MORPH_OBJECTS;i++)
288 morph_objects[i].obj = NULL;
292 //make the object morph
293 void morph_start(object *obj)
296 vms_vector pmmin,pmmax;
301 for (i=0;i<MAX_MORPH_OBJECTS;i++)
302 if (morph_objects[i].obj == NULL || morph_objects[i].obj->type==OBJ_NONE || morph_objects[i].obj->signature!=morph_objects[i].Morph_sig)
305 if (i==MAX_MORPH_OBJECTS) //no free slots
308 md = &morph_objects[i];
310 Assert(obj->render_type == RT_POLYOBJ);
313 md->Morph_sig = obj->signature;
315 md->morph_save_control_type = obj->control_type;
316 md->morph_save_movement_type = obj->movement_type;
317 md->morph_save_phys_info = obj->mtype.phys_info;
319 Assert(obj->control_type == CT_AI); //morph objects are also AI objects
321 obj->control_type = CT_MORPH;
322 obj->render_type = RT_MORPH;
323 obj->movement_type = MT_PHYSICS; //RT_NONE;
325 obj->mtype.phys_info.rotvel = morph_rotvel;
327 pm = &Polygon_models[obj->rtype.pobj_info.model_num];
329 find_min_max(pm,0,&pmmin,&pmmax);
331 box_size.x = max(-pmmin.x,pmmax.x) / 2;
332 box_size.y = max(-pmmin.y,pmmax.y) / 2;
333 box_size.z = max(-pmmin.z,pmmax.z) / 2;
335 for (i=0;i<MAX_VECS;i++) //clear all points
336 md->morph_times[i] = 0;
338 for (i=1;i<MAX_SUBMODELS;i++) //clear all parts
339 md->submodel_active[i] = 0;
341 md->submodel_active[0] = 1; //1 means visible & animating
343 md->n_submodels_active = 1;
345 //now, project points onto surface of box
347 init_points(pm,&box_size,0,md);
351 void draw_model(polymodel *pm,int submodel_num,vms_angvec *anim_angles,fix light,morph_data *md)
355 int sort_list[MAX_SUBMODELS],sort_n;
358 //first, sort the submodels
360 sort_list[0] = submodel_num;
363 for (i=0;i<pm->n_models;i++)
365 if (md->submodel_active[i] && pm->submodel_parents[i]==submodel_num) {
367 facing = g3_check_normal_facing(&pm->submodel_pnts[i],&pm->submodel_norms[i]);
371 sort_list[sort_n++] = i;
373 else { //put at start
376 for (t=sort_n;t>0;t--)
377 sort_list[t] = sort_list[t-1];
389 //now draw everything
391 for (i=0;i<sort_n;i++) {
395 if (mn == submodel_num) {
398 for (i=0;i<pm->n_textures;i++) {
399 texture_list_index[i] = ObjBitmaps[ObjBitmapPtrs[pm->first_texture+i]];
400 texture_list[i] = &GameBitmaps[ObjBitmaps[ObjBitmapPtrs[pm->first_texture+i]].index];
403 #ifdef PIGGY_USE_PAGING
404 // Make sure the textures for this object are paged in...
405 piggy_page_flushed = 0;
406 for (i=0;i<pm->n_textures;i++)
407 PIGGY_PAGE_IN( texture_list_index[i] );
408 // Hmmm... cache got flushed in the middle of paging all these in,
409 // so we need to reread them all in.
410 if (piggy_page_flushed) {
411 piggy_page_flushed = 0;
412 for (i=0;i<pm->n_textures;i++)
413 PIGGY_PAGE_IN( texture_list_index[i] );
415 // Make sure that they can all fit in memory.
416 Assert( piggy_page_flushed == 0 );
420 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]]);
427 vm_angles_2_matrix(&orient,&anim_angles[mn]);
429 g3_start_instance_matrix(&pm->submodel_offsets[mn],&orient);
431 draw_model(pm,mn,anim_angles,light,md);
440 void draw_morph_object(object *obj)
447 md = find_morph_data(obj);
450 Assert(obj->rtype.pobj_info.model_num < N_polygon_models);
452 po=&Polygon_models[obj->rtype.pobj_info.model_num];
454 light = compute_object_light(obj,NULL);
456 g3_start_instance_matrix(&obj->pos,&obj->orient);
457 g3_set_interp_points(robot_points);
459 draw_model(po,0,obj->rtype.pobj_info.anim_angles,light,md);
464 if (Newdemo_state == ND_STATE_RECORDING)
465 newdemo_record_morph_frame(md);