Made static particles working with a deformed Mesh, both for Lattice as

for Armature. Note: only works for subsurfed Mesh now!

Change in drawobject.c: Halo option on subsurf Mesh now draws points.
but using the original vertices...

source/blender/blenkernel/intern/displist.c

@@ -1672,8 +1672,9 @@ void makeDispList(Object *ob)
 	float *data, *fp1, widfac, vec[3];
 	int len, a, b, draw=0;
 
-	if(ob==0) return;
+	if(ob==NULL) return;
 	if(ob->flag & OB_FROMDUPLI) return;
+
 	freedisplist(&(ob->disp));
 	
 	if(ob->type==OB_MESH) {
@@ -1683,6 +1684,7 @@ void makeDispList(Object *ob)
 
 		tex_space_mesh(ob->data);
 		
+		/* deform: input mesh, output ob dl_verts. is used by subsurf */
 		object_deform(ob);	
 		
 		if(ob->effect.first) object_wave(ob);
@@ -1694,6 +1696,7 @@ void makeDispList(Object *ob)
 				dlm= subsurf_make_dispListMesh_from_editmesh(em, me->subdiv, me->flag, me->subsurftype);
 			} else {
 				DispList *dlVerts= find_displist(&ob->disp, DL_VERTS);
+
 				dlm= subsurf_make_dispListMesh_from_mesh(me, dlVerts?dlVerts->verts:NULL, 
 													me->subdiv, me->flag);
 			}
@@ -2236,6 +2239,7 @@ void test_all_displists(void)
 {
 	Base *base;
 	Object *ob;
+	int done;	/* prevent displist to be made too often */
 	unsigned int lay;
 	
 	/* background */	
@@ -2246,6 +2250,7 @@ void test_all_displists(void)
 		if(base->lay & lay) {
 			ob= base->object;
 			
+			done= 0;
 			
 			if(ob->type==OB_MBALL && (ob->ipo || ob->parent)) {
 				// find metaball object holding the displist
@@ -2261,19 +2266,18 @@ void test_all_displists(void)
 			}
 			else if(ob->parent) {
 				
+				done= 1;
 				if (ob->parent->type == OB_LATTICE)
 					makeDispList(ob);
 				else if ((ob->parent->type == OB_IKA) && (ob->partype == PARSKEL))
 					makeDispList(ob);
-#ifdef __NLA
 				else if ((ob->parent->type==OB_ARMATURE) && (ob->partype == PARSKEL))
 					makeDispList(ob);
-				
-#endif
+				else done= 0;
 			}
 
 			/* warn, ob pointer changed in case of OB_MALL */
-
+			if(done==0) {
 				if ELEM(ob->type, OB_CURVE, OB_SURF) {
 					if(ob!=G.obedit) {
 						if( ((Curve *)(ob->data))->key ) makeDispList(ob);
@@ -2294,7 +2298,7 @@ void test_all_displists(void)
 						if(( ((Mesh *)(ob->data))->key )||(ob->effect.first)) makeDispList(ob);
 					}
 				}
-
+			}
 		}
 		if(base->next==0 && G.scene->set && base==G.scene->base.last) base= G.scene->set->base.first;
 		else base= base->next;

source/blender/blenkernel/intern/effect.c

@@ -916,10 +916,10 @@ void give_mesh_mvert(Mesh *me, int nr, float *co, short *no, float seed2)
 {
 	static float *jit=0;
 	static int jitlevel=1;
-	MVert *mvert;
-	MFace *mface;
+	MVert *mvert, *mvertbase=NULL;
+	MFace *mface, *mfacebase=NULL;
 	float u, v, *v1, *v2, *v3, *v4;
-	int curface, curjit;
+	int totface=0, totvert=0, curface, curjit;
 	short *n1, *n2, *n3, *n4;
 	
 	/* signal */
@@ -929,17 +929,36 @@ void give_mesh_mvert(Mesh *me, int nr, float *co, short *no, float seed2)
 		return;
 	}
 	
-	if(me->totface==0 || nr<me->totvert) {
-		mvert= me->mvert + (nr % me->totvert);
+	/* get it from displist? */
+	if(me->disp.first) {
+		DispList *dl= me->disp.first;
+		if(dl->type==DL_MESH) {
+			DispListMesh *dlm= dl->mesh;
+			mvertbase= dlm->mvert;
+			mfacebase= dlm->mface;
+			totface= dlm->totface;
+			totvert= dlm->totvert;
+		}
+	}
+	
+	if(totvert==0) {
+		mvertbase= me->mvert;
+		mfacebase= me->mface;
+		totface= me->totface;
+		totvert= me->totvert;
+	}
+	
+	if(totface==0 || nr<totvert) {
+		mvert= mvertbase + (nr % totvert);
 		VECCOPY(co, mvert->co);
 		VECCOPY(no, mvert->no);
 	}
 	else {
 
-		nr-= me->totvert;
+		nr-= totvert;
 		
 		if(jit==0) {
-			jitlevel= nr/me->totface;
+			jitlevel= nr/totface;
 			if(jitlevel==0) jitlevel= 1;
 			if(jitlevel>100) jitlevel= 100;
 
@@ -948,35 +967,35 @@ void give_mesh_mvert(Mesh *me, int nr, float *co, short *no, float seed2)
 			
 		}
 
-		curjit= nr/me->totface;
+		curjit= nr/totface;
 		curjit= curjit % jitlevel;
 
-		curface= nr % me->totface;
+		curface= nr % totface;
 		
-		mface= me->mface;
+		mface= mfacebase;
 		mface+= curface;
 
-		v1= (me->mvert+(mface->v1))->co;
-		v2= (me->mvert+(mface->v2))->co;
-		n1= (me->mvert+(mface->v1))->no;
-		n2= (me->mvert+(mface->v2))->no;
+		v1= (mvertbase+(mface->v1))->co;
+		v2= (mvertbase+(mface->v2))->co;
+		n1= (mvertbase+(mface->v1))->no;
+		n2= (mvertbase+(mface->v2))->no;
 		if(mface->v3==0) {
-			v3= (me->mvert+(mface->v2))->co;
-			v4= (me->mvert+(mface->v1))->co;
-			n3= (me->mvert+(mface->v2))->no;
-			n4= (me->mvert+(mface->v1))->no;
+			v3= (mvertbase+(mface->v2))->co;
+			v4= (mvertbase+(mface->v1))->co;
+			n3= (mvertbase+(mface->v2))->no;
+			n4= (mvertbase+(mface->v1))->no;
 		}
 		else if(mface->v4==0) {
-			v3= (me->mvert+(mface->v3))->co;
-			v4= (me->mvert+(mface->v1))->co;
-			n3= (me->mvert+(mface->v3))->no;
-			n4= (me->mvert+(mface->v1))->no;
+			v3= (mvertbase+(mface->v3))->co;
+			v4= (mvertbase+(mface->v1))->co;
+			n3= (mvertbase+(mface->v3))->no;
+			n4= (mvertbase+(mface->v1))->no;
 		}
 		else {
-			v3= (me->mvert+(mface->v3))->co;
-			v4= (me->mvert+(mface->v4))->co;
-			n3= (me->mvert+(mface->v3))->no;
-			n4= (me->mvert+(mface->v4))->no;
+			v3= (mvertbase+(mface->v3))->co;
+			v4= (mvertbase+(mface->v4))->co;
+			n3= (mvertbase+(mface->v3))->no;
+			n4= (mvertbase+(mface->v4))->no;
 		}
 
 		u= jit[2*curjit];
@@ -1019,7 +1038,7 @@ void build_particle_system(Object *ob)
 	}
 
 	paf= give_parteff(ob);
-	if(paf==0) return;
+	if(paf==NULL) return;
 
 	waitcursor(1);
 
@@ -1027,7 +1046,7 @@ void build_particle_system(Object *ob)
 
 	/* generate all particles */
 	if(paf->keys) MEM_freeN(paf->keys);
-	paf->keys= 0;
+	paf->keys= NULL;
 	new_particle(paf);
 
 	cfraont= G.scene->r.cfra;
@@ -1092,12 +1111,20 @@ void build_particle_system(Object *ob)
 	force[1]= paf->force[1]*0.05f;
 	force[2]= paf->force[2]*0.05f;
 	
+	if( paf->flag & PAF_STATIC ) deform= 0;
+	else {
 		deform= (ob->parent && ob->parent->type==OB_LATTICE);
 		if(deform) init_latt_deform(ob->parent, 0);
+	}
 	
 	/* init */
 	give_mesh_mvert(me, totpart, co, no,paf->seed);
 
+	if(me->disp.first) {
+		DispList *dl= me->disp.first;
+		if(dl->type==DL_MESH) printf("from disp\n");
+	}
+
 	printf("\n");
 	printf("Calculating particles......... \n");
 
@@ -1207,11 +1234,12 @@ void build_particle_system(Object *ob)
 	give_mesh_mvert(0, 0, 0, 0,paf->seed);
 
 	/*Restore armature settings*/
+	if((paf->flag & PAF_STATIC)==0) {
 		if (armature_parent) {
 			do_all_actions();
 			rebuild_all_armature_displists();
 		}
-
+	}
 	/* put hierarchy back */
 	par= ob;
 	while(par) {

source/blender/makesdna/DNA_effect_types.h

@@ -42,6 +42,7 @@
 #define PAF_BSPLINE		2
 #define PAF_STATIC		4
 #define PAF_FACE		8
+#define PAF_ANIMATED	16
 
 	/* eff->type */
 #define EFF_BUILD		0

source/blender/renderconverter/intern/convertBlenderScene.c

@@ -853,14 +853,14 @@ static void render_particle_system(Object *ob, PartEff *paf)
 	int a, mat_nr=1;
 
 	pa= paf->keys;
-	if(pa==0) {
+	if(pa==NULL) {
 		build_particle_system(ob);
 		pa= paf->keys;
-		if(pa==0) return;
+		if(pa==NULL) return;
 	}
 
 	ma= give_render_material(ob, 1);
-	if(ma==0) ma= &defmaterial;
+	if(ma==NULL) ma= &defmaterial;
 
 	MTC_Mat4MulMat4(mat, ob->obmat, R.viewmat);
 	MTC_Mat4Invert(ob->imat, mat);	/* this is correct, for imat texture */
@@ -955,7 +955,7 @@ static void render_static_particle_system(Object *ob, PartEff *paf)
 	int a, mat_nr=1;
 
 	pa= paf->keys;
-	if(pa==0) {
+	if(pa==NULL || (paf->flag & PAF_ANIMATED)) {
 		build_particle_system(ob);
 		pa= paf->keys;
 		if(pa==0) return;
@@ -1253,6 +1253,9 @@ static void init_render_mesh(Object *ob)
 
 	me= ob->data;
 
+	/* object_deform changes imat */
+	do_puno= object_deform(ob);
+
 	paf = give_parteff(ob);
 	if(paf) {
 		if(paf->flag & PAF_STATIC) render_static_particle_system(ob, paf);
@@ -1260,9 +1263,6 @@ static void init_render_mesh(Object *ob)
 		return;
 	}
 
-	/* object_deform changes imat */
-	do_puno= object_deform(ob);
-
 	/* yafray: set transform to identity matrix */
 	if (R.r.renderer==R_YAFRAY)
 		MTC_Mat4One(mat);

source/blender/src/buttons_object.c

@@ -1354,7 +1354,9 @@ void effects_panel_effects(Object *ob)
 			paf= (PartEff *)eff;
 			
 			uiDefBut(block, BUT, B_RECALCAL, "RecalcAll", 741,187,67,27, 0, 0, 0, 0, 0, "Update the particle system");
-			uiDefButS(block, TOG|BIT|2, B_CALCEFFECT, "Static",	825,187,67,27, &paf->flag, 0, 0, 0, 0, "Make static particles");
+			uiDefButS(block, TOG|BIT|2, B_CALCEFFECT, "Static",	825,187,67,27, &paf->flag, 0, 0, 0, 0, "Make static particles (deform only works with SubSurf)");
+			if(paf->flag & PAF_STATIC)
+				uiDefButS(block, TOG|BIT|4, B_DIFF, "Animated",825,167,67,20, &paf->flag, 0, 0, 0, 0, "Static particles are recalculated each rendered frame");
 			
 			uiBlockBeginAlign(block);
 			uiDefButI(block, NUM, B_CALCEFFECT, "Tot:",			550,146,91,20, &paf->totpart, 1.0, 100000.0, 0, 0, "Set the total number of particles");

source/blender/src/drawobject.c

@@ -2362,7 +2362,7 @@ static void drawmeshwire(Object *ob)
 	Material *ma;
 	EditEdge *eed;
 	EditVlak *evl;
-	float fvec[3], cent[3], *f1, *f2, *f3, *f4, *extverts=0;
+	float fvec[3], cent[3], *f1, *f2, *f3, *f4, *extverts=NULL;
 	int a, start, end, test, ok, handles=0;
 
 	me= get_mesh(ob);
@@ -2503,29 +2503,25 @@ static void drawmeshwire(Object *ob)
 	}
 	else { /* Object mode draw */
 		
-		if(me==0) return;
+		if(me==NULL) return;
 		
 		if(me->bb==0) tex_space_mesh(me);
 		if(me->totface>4) if(boundbox_clip(ob->obmat, me->bb)==0) return;
 		
-		if(mesh_uses_displist(me)) drawDispListwire(&me->disp); /* Subsurf */
-		else {
-			
-			mvert= me->mvert;
-			mface= me->mface;
-
+		/* check for drawing vertices only */
 		ok= 0;
 		if(me->totface==0) ok= 1;
 		else {
 			ma= give_current_material(ob, 1);
 			if(ma && (ma->mode & MA_HALO)) ok= 1;
 		}
+		mvert= me->mvert;
+		mface= me->mface;
 		
 		dl= find_displist(&ob->disp, DL_VERTS);
 		if(dl) extverts= dl->verts;
 					
-			if(ok) { /* No faces, just draw verts as points */
-				
+		if(ok) {
 			start= 0; end= me->totvert;
 			set_buildvars(ob, &start, &end);
 			
@@ -2544,11 +2540,13 @@ static void drawmeshwire(Object *ob)
 					glVertex3fv(mvert->co);
 				}
 			}
-				
 			glEnd();
 			glPointSize(1.0);
 		}
-			else { /* Draw wire frame */
+		else {
+	
+			if(mesh_uses_displist(me)) drawDispListwire(&me->disp); /* Subsurf */
+			else {
 				
 				start= 0; end= me->totface;
 				set_buildvars(ob, &start, &end);
@@ -2690,7 +2688,6 @@ static void drawmeshwire(Object *ob)
 					}
 				}
 			}
-			
 		}
 	}
 }
@@ -3677,6 +3674,7 @@ void draw_object(Base *base)
 			}
 			else drawDispList(ob, dt);
 		}
+		
 		if( (ob!=G.obedit) && ((G.f & (G_BACKBUFSEL+G_PICKSEL)) == 0) ) {
 			paf = give_parteff(ob);
 			if( paf ) {