[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [28982] branches/soc-2010-nexyon/source/ blender: Merge with trunk, revision 28977 - 28981 to get Dalai' s armature fix.

Joerg Mueller nexyon at gmail.com
Tue May 25 17:35:35 CEST 2010


Revision: 28982
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=28982
Author:   nexyon
Date:     2010-05-25 17:35:34 +0200 (Tue, 25 May 2010)

Log Message:
-----------
Merge with trunk, revision 28977 - 28981 to get Dalai's armature fix.

Revision Links:
--------------
    http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=28977

Modified Paths:
--------------
    branches/soc-2010-nexyon/source/blender/blenkernel/intern/cloth.c
    branches/soc-2010-nexyon/source/blender/blenkernel/intern/collision.c
    branches/soc-2010-nexyon/source/blender/blenkernel/intern/implicit.c
    branches/soc-2010-nexyon/source/blender/blenloader/intern/readfile.c

Modified: branches/soc-2010-nexyon/source/blender/blenkernel/intern/cloth.c
===================================================================
--- branches/soc-2010-nexyon/source/blender/blenkernel/intern/cloth.c	2010-05-25 15:26:12 UTC (rev 28981)
+++ branches/soc-2010-nexyon/source/blender/blenkernel/intern/cloth.c	2010-05-25 15:35:34 UTC (rev 28982)
@@ -27,17 +27,14 @@
 
 #include "MEM_guardedalloc.h"
 
-#include "BKE_cloth.h"
-
 #include "BKE_cdderivedmesh.h"
+#include "BKE_cloth.h"
 #include "BKE_effect.h"
 #include "BKE_global.h"
 #include "BKE_modifier.h"
+#include "BKE_pointcache.h"
 #include "BKE_utildefines.h"
 
-#include "BKE_pointcache.h"
-
-
 #ifdef _WIN32
 void tstart ( void )
 {}

Modified: branches/soc-2010-nexyon/source/blender/blenkernel/intern/collision.c
===================================================================
--- branches/soc-2010-nexyon/source/blender/blenkernel/intern/collision.c	2010-05-25 15:26:12 UTC (rev 28981)
+++ branches/soc-2010-nexyon/source/blender/blenkernel/intern/collision.c	2010-05-25 15:35:34 UTC (rev 28982)
@@ -59,7 +59,7 @@
 /* step is limited from 0 (frame start position) to 1 (frame end position) */
 void collision_move_object ( CollisionModifierData *collmd, float step, float prevstep )
 {
-	float tv[3] = {0,0,0};
+	float tv[3] = {0, 0, 0};
 	unsigned int i = 0;
 
 	for ( i = 0; i < collmd->numverts; i++ )
@@ -69,6 +69,7 @@
 		VECADDS ( collmd->current_xnew[i].co, collmd->x[i].co, tv, step );
 		VECSUB ( collmd->current_v[i].co, collmd->current_xnew[i].co, collmd->current_x[i].co );
 	}
+
 	bvhtree_update_from_mvert ( collmd->bvhtree, collmd->mfaces, collmd->numfaces, collmd->current_x, collmd->current_xnew, collmd->numverts, 1 );
 }
 
@@ -527,7 +528,7 @@
 			float magtangent = 0, repulse = 0, d = 0;
 			double impulse = 0.0;
 			float vrel_t_pre[3];
-			float temp[3];
+			float temp[3], spf;
 
 			// calculate tangential velocity
 			VECCOPY ( temp, collpair->normal );
@@ -565,10 +566,12 @@
 
 			// Apply repulse impulse if distance too short
 			// I_r = -min(dt*kd, m(0,1d/dt - v_n))
+			spf = (float)clmd->sim_parms->stepsPerFrame / clmd->sim_parms->timescale;
+
 			d = clmd->coll_parms->epsilon*8.0/9.0 + epsilon2*8.0/9.0 - collpair->distance;
-			if ( ( magrelVel < 0.1*d*clmd->sim_parms->stepsPerFrame ) && ( d > ALMOST_ZERO ) )
+			if ( ( magrelVel < 0.1*d*spf ) && ( d > ALMOST_ZERO ) )
 			{
-				repulse = MIN2 ( d*1.0/clmd->sim_parms->stepsPerFrame, 0.1*d*clmd->sim_parms->stepsPerFrame - magrelVel );
+				repulse = MIN2 ( d*1.0/spf, 0.1*d*spf - magrelVel );
 
 				// stay on the safe side and clamp repulse
 				if ( impulse > ALMOST_ZERO )
@@ -1541,20 +1544,15 @@
 			overlap = BLI_bvhtree_overlap ( cloth_bvh, collmd->bvhtree, &result );
 				
 			// go to next object if no overlap is there
-			if(!result || !overlap)
-			{
-				if ( overlap )
-					MEM_freeN ( overlap );
-				continue;
-			}
+			if( result && overlap ) {
+				/* check if collisions really happen (costly near check) */
+				cloth_bvh_objcollisions_nearcheck ( clmd, collmd, &collisions[i], &collisions_index[i], result, overlap);
 			
-			/* check if collisions really happen (costly near check) */
-			cloth_bvh_objcollisions_nearcheck ( clmd, collmd, &collisions[i], &collisions_index[i], result, overlap);
-			
-			// resolve nearby collisions
-			ret += cloth_bvh_objcollisions_resolve ( clmd, collmd, collisions[i],  collisions_index[i]);
-			ret2 += ret;
-			
+				// resolve nearby collisions
+				ret += cloth_bvh_objcollisions_resolve ( clmd, collmd, collisions[i],  collisions_index[i]);
+				ret2 += ret;
+			}
+
 			if ( overlap )
 				MEM_freeN ( overlap );
 		}

Modified: branches/soc-2010-nexyon/source/blender/blenkernel/intern/implicit.c
===================================================================
--- branches/soc-2010-nexyon/source/blender/blenkernel/intern/implicit.c	2010-05-25 15:26:12 UTC (rev 28981)
+++ branches/soc-2010-nexyon/source/blender/blenkernel/intern/implicit.c	2010-05-25 15:35:34 UTC (rev 28982)
@@ -37,6 +37,10 @@
 #include "BKE_global.h"
 #include "BKE_utildefines.h"
 
+#include "BLI_threads.h"
+
+#define CLOTH_OPENMP_LIMIT 25
+
 #ifdef _WIN32
 #include <windows.h>
 static LARGE_INTEGER _itstart, _itend;
@@ -230,8 +234,11 @@
 {
 	long i = 0;
 	float temp = 0.0;
+// XXX brecht, disabled this for now (first schedule line was already disabled),
+// due to non-commutative nature of floating point ops this makes the sim give
+// different results each time you run it!
 // schedule(guided, 2)
-#pragma omp parallel for reduction(+: temp)
+//#pragma omp parallel for reduction(+: temp) if(verts > CLOTH_OPENMP_LIMIT)
 	for(i = 0; i < (long)verts; i++)
 	{
 		temp += INPR(fLongVectorA[i], fLongVectorB[i]);
@@ -577,11 +584,12 @@
 DO_INLINE void mul_bfmatrix_lfvector( float (*to)[3], fmatrix3x3 *from, lfVector *fLongVector)
 {
 	unsigned int i = 0;
-	lfVector *temp = create_lfvector(from[0].vcount);
+	unsigned int vcount = from[0].vcount;
+	lfVector *temp = create_lfvector(vcount);
 	
-	zero_lfvector(to, from[0].vcount);
+	zero_lfvector(to, vcount);
 
-#pragma omp parallel sections private(i)
+#pragma omp parallel sections private(i) if(vcount > CLOTH_OPENMP_LIMIT)
 	{
 #pragma omp section
 		{
@@ -962,7 +970,7 @@
 	unsigned int i = 0;
 	
 	// Take only the diagonal blocks of A
-// #pragma omp parallel for private(i)
+// #pragma omp parallel for private(i) if(lA[0].vcount > CLOTH_OPENMP_LIMIT)
 	for(i = 0; i<lA[0].vcount; i++)
 	{
 		// block diagonalizer
@@ -1460,6 +1468,8 @@
 		i = HAIR_GRID_INDEX(lX[v], gmin, gmax, 0);
 		j = HAIR_GRID_INDEX(lX[v], gmin, gmax, 1);
 		k = HAIR_GRID_INDEX(lX[v], gmin, gmax, 2);
+		if (i < 0 || j < 0 || k < 0 || i > 10 || j >= 10 || k >= 10)
+			continue;
 
 		grid[i][j][k].velocity[0] += lV[v][0];
 		grid[i][j][k].velocity[1] += lV[v][1];
@@ -1523,6 +1533,8 @@
 		i = HAIR_GRID_INDEX(lX[v], gmin, gmax, 0);
 		j = HAIR_GRID_INDEX(lX[v], gmin, gmax, 1);
 		k = HAIR_GRID_INDEX(lX[v], gmin, gmax, 2);
+		if (i < 0 || j < 0 || k < 0 || i > 10 || j >= 10 || k >= 10)
+			continue;
 
 		lF[v][0] += smoothfac * (grid[i][j][k].velocity[0] - lV[v][0]);
 		lF[v][1] += smoothfac * (grid[i][j][k].velocity[1] - lV[v][1]);
@@ -1537,6 +1549,7 @@
 
 	free_collider_cache(&colliders);
 }
+
 static void cloth_calc_force(ClothModifierData *clmd, float frame, lfVector *lF, lfVector *lX, lfVector *lV, fmatrix3x3 *dFdV, fmatrix3x3 *dFdX, ListBase *effectors, float time, fmatrix3x3 *M)
 {
 	/* Collect forces and derivatives:  F,dFdX,dFdV */
@@ -1731,9 +1744,10 @@
 	ClothVertex *verts = cloth->verts;
 	unsigned int numverts = cloth->numverts;
 	float dt = clmd->sim_parms->timescale / clmd->sim_parms->stepsPerFrame;
+	float spf = (float)clmd->sim_parms->stepsPerFrame / clmd->sim_parms->timescale;
 	Implicit_Data *id = cloth->implicit;
-	int result = 0;
-	
+	int do_extra_solve;
+
 	if(clmd->sim_parms->flags & CLOTH_SIMSETTINGS_FLAG_GOAL) /* do goal stuff */
 	{
 		for(i = 0; i < numverts; i++)
@@ -1778,60 +1792,50 @@
 
 		if(clmd->coll_parms->flags & CLOTH_COLLSETTINGS_FLAG_ENABLED && clmd->clothObject->bvhtree)
 		{
-			float temp = clmd->sim_parms->stepsPerFrame;
-			/* not too nice hack, but collisions need this correction -jahka */
-			clmd->sim_parms->stepsPerFrame /= clmd->sim_parms->timescale;
-
 			// collisions 
 			// itstart();
 			
 			// update verts to current positions
 			for(i = 0; i < numverts; i++)
-			{	
+			{
 				VECCOPY(verts[i].tx, id->Xnew[i]);
-				
+
 				VECSUB(verts[i].tv, verts[i].tx, verts[i].txold);
 				VECCOPY(verts[i].v, verts[i].tv);
 			}
-			
+
 			// call collision function
 			// TODO: check if "step" or "step+dt" is correct - dg
-			result = cloth_bvh_objcollision(ob, clmd, step/clmd->sim_parms->timescale, dt/clmd->sim_parms->timescale);
+			do_extra_solve = cloth_bvh_objcollision(ob, clmd, step/clmd->sim_parms->timescale, dt/clmd->sim_parms->timescale);
 			
-			// correct velocity again, just to be sure we had to change it due to adaptive collisions
-			for(i = 0; i < numverts; i++)
-			{
-				VECSUB(verts[i].tv, verts[i].tx, id->X[i]);
-			}
-			
 			// copy corrected positions back to simulation
 			for(i = 0; i < numverts; i++)
 			{		
-				if(result)
+				// correct velocity again, just to be sure we had to change it due to adaptive collisions
+				VECSUB(verts[i].tv, verts[i].tx, id->X[i]);
+
+				if(do_extra_solve)
 				{
 					
 					if((clmd->sim_parms->flags & CLOTH_SIMSETTINGS_FLAG_GOAL) && (verts [i].flags & CLOTH_VERT_FLAG_PINNED))
 						continue;
-					
+
 					VECCOPY(id->Xnew[i], verts[i].tx);
 					VECCOPY(id->Vnew[i], verts[i].tv);
-					mul_v3_fl(id->Vnew[i], clmd->sim_parms->stepsPerFrame);
+					mul_v3_fl(id->Vnew[i], spf);
 				}
 			}
 			
-			/* restore original stepsPerFrame */
-			clmd->sim_parms->stepsPerFrame = temp;
-			
 			// X = Xnew;
 			cp_lfvector(id->X, id->Xnew, numverts);
-			
+
 			// if there were collisions, advance the velocity from v_n+1/2 to v_n+1
 			
-			if(result)
+			if(do_extra_solve)
 			{
 				// V = Vnew;
 				cp_lfvector(id->V, id->Vnew, numverts);
-				
+
 				// calculate 
 				cloth_calc_force(clmd, frame, id->F, id->X, id->V, id->dFdV, id->dFdX, effectors, step+dt, id->M);	
 				
@@ -1851,7 +1855,6 @@
 		cp_lfvector(id->V, id->Vnew, numverts);
 		
 		step += dt;
-		
 	}
 
 	for(i = 0; i < numverts; i++)

Modified: branches/soc-2010-nexyon/source/blender/blenloader/intern/readfile.c
===================================================================
--- branches/soc-2010-nexyon/source/blender/blenloader/intern/readfile.c	2010-05-25 15:26:12 UTC (rev 28981)
+++ branches/soc-2010-nexyon/source/blender/blenloader/intern/readfile.c	2010-05-25 15:35:34 UTC (rev 28982)
@@ -10877,14 +10877,15 @@
 		/* parent type to modifier */
 		for(ob = main->object.first; ob; ob = ob->id.next) {
 			if(ob->parent) {
-				Object *parent= newlibadr(fd, lib, ob->parent);
+				Object *parent= (Object *)newlibadr(fd, lib, ob->parent);
 				if(parent->type==OB_ARMATURE && ob->partype==PARSKEL) {
 					ArmatureModifierData *amd;
+					bArmature *arm= (bArmature *)newlibadr(fd, lib, parent->data);
 
 					amd = (ArmatureModifierData*) modifier_new(eModifierType_Armature);
 					amd->object = ob->parent;
 					BLI_addtail((ListBase*)&ob->modifiers, amd);
-					amd->deformflag= ((bArmature *)(parent->data))->deformflag;
+					amd->deformflag= arm->deformflag;
 					ob->partype = PAROBJECT;
 				}
 				else if(parent->type==OB_LATTICE && ob->partype==PARSKEL) {





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