[Bf-blender-cvs] [431b90c] object_nodes: Merge branch 'master' into object_nodes

Lukas Tönne noreply at git.blender.org
Wed Jan 13 12:19:40 CET 2016


Commit: 431b90c969e8b058ceaa42894be788366686249d
Author: Lukas Tönne
Date:   Wed Jan 13 12:05:32 2016 +0100
Branches: object_nodes
https://developer.blender.org/rB431b90c969e8b058ceaa42894be788366686249d

Merge branch 'master' into object_nodes

===================================================================



===================================================================

diff --cc source/blender/blenkernel/intern/smoke.c
index 4ea5fbb,98f7dfd..7c7bb12
--- a/source/blender/blenkernel/intern/smoke.c
+++ b/source/blender/blenkernel/intern/smoke.c
@@@ -2592,10 -2460,10 +2460,10 @@@ static void update_effectors(Scene *sce
  		BLI_task_parallel_range_ex(0, sds->res[0], &data, NULL, 0, update_effectors_task_cb, true, false);
  	}
  
 -	pdEndEffectors(&effectors);
 +	pdEndEffectors(effectors);
  }
  
- static void step(Scene *scene, Object *ob, SmokeModifierData *smd, DerivedMesh *domain_dm, float fps, bool for_render)
+ static void step(Scene *scene, Object *ob, SmokeModifierData *smd, DerivedMesh *domain_dm, float fps)
  {
  	SmokeDomainSettings *sds = smd->domain;
  	/* stability values copied from wturbulence.cpp */
diff --cc source/blender/physics/intern/BPH_mass_spring.cpp
index dd43fa5,4d114e1..e6b73c5
--- a/source/blender/physics/intern/BPH_mass_spring.cpp
+++ b/source/blender/physics/intern/BPH_mass_spring.cpp
@@@ -1,1117 -1,1117 +1,1117 @@@
- /*
-  * ***** BEGIN GPL LICENSE BLOCK *****
-  *
-  * This program is free software; you can redistribute it and/or
-  * modify it under the terms of the GNU General Public License
-  * as published by the Free Software Foundation; either version 2
-  * of the License, or (at your option) any later version.
-  *
-  * This program is distributed in the hope that it will be useful,
-  * but WITHOUT ANY WARRANTY; without even the implied warranty of
-  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  * GNU General Public License for more details.
-  *
-  * You should have received a copy of the GNU General Public License
-  * along with this program; if not, write to the Free Software Foundation,
-  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-  *
-  * The Original Code is Copyright (C) Blender Foundation
-  * All rights reserved.
-  *
-  * The Original Code is: all of this file.
-  *
-  * Contributor(s): Lukas Toenne
-  *
-  * ***** END GPL LICENSE BLOCK *****
-  */
- 
- /** \file blender/physics/intern/BPH_mass_spring.cpp
-  *  \ingroup bph
-  */
- 
- extern "C" {
- #include "MEM_guardedalloc.h"
- 
- #include "DNA_cloth_types.h"
- #include "DNA_scene_types.h"
- #include "DNA_object_force.h"
- #include "DNA_object_types.h"
- #include "DNA_meshdata_types.h"
- #include "DNA_modifier_types.h"
- 
- #include "BLI_math.h"
- #include "BLI_linklist.h"
- #include "BLI_utildefines.h"
- 
- #include "BKE_cloth.h"
- #include "BKE_collision.h"
- #include "BKE_effect.h"
- }
- 
- #include "BPH_mass_spring.h"
- #include "implicit.h"
- 
- static float I3[3][3] = {{1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {0.0, 0.0, 1.0}};
- 
- /* Number of off-diagonal non-zero matrix blocks.
-  * Basically there is one of these for each vertex-vertex interaction.
-  */
- static int cloth_count_nondiag_blocks(Cloth *cloth)
- {
- 	LinkNode *link;
- 	int nondiag = 0;
- 	
- 	for (link = cloth->springs; link; link = link->next) {
- 		ClothSpring *spring = (ClothSpring *)link->link;
- 		switch (spring->type) {
- 			case CLOTH_SPRING_TYPE_BENDING_ANG:
- 				/* angular bending combines 3 vertices */
- 				nondiag += 3;
- 				break;
- 				
- 			default:
- 				/* all other springs depend on 2 vertices only */
- 				nondiag += 1;
- 				break;
- 		}
- 	}
- 	
- 	return nondiag;
- }
- 
- int BPH_cloth_solver_init(Object *UNUSED(ob), ClothModifierData *clmd)
- {
- 	Cloth *cloth = clmd->clothObject;
- 	ClothVertex *verts = cloth->verts;
- 	const float ZERO[3] = {0.0f, 0.0f, 0.0f};
- 	Implicit_Data *id;
- 	unsigned int i, nondiag;
- 	
- 	nondiag = cloth_count_nondiag_blocks(cloth);
- 	cloth->implicit = id = BPH_mass_spring_solver_create(cloth->mvert_num, nondiag);
- 	
- 	for (i = 0; i < cloth->mvert_num; i++) {
- 		BPH_mass_spring_set_vertex_mass(id, i, verts[i].mass);
- 	}
- 	
- 	for (i = 0; i < cloth->mvert_num; i++) {
- 		BPH_mass_spring_set_motion_state(id, i, verts[i].x, ZERO);
- 	}
- 	
- 	return 1;
- }
- 
- void BPH_cloth_solver_free(ClothModifierData *clmd)
- {
- 	Cloth *cloth = clmd->clothObject;
- 	
- 	if (cloth->implicit) {
- 		BPH_mass_spring_solver_free(cloth->implicit);
- 		cloth->implicit = NULL;
- 	}
- }
- 
- void BKE_cloth_solver_set_positions(ClothModifierData *clmd)
- {
- 	Cloth *cloth = clmd->clothObject;
- 	ClothVertex *verts = cloth->verts;
- 	unsigned int mvert_num = cloth->mvert_num, i;
- 	ClothHairData *cloth_hairdata = clmd->hairdata;
- 	Implicit_Data *id = cloth->implicit;
- 	
- 	for (i = 0; i < mvert_num; i++) {
- 		if (cloth_hairdata) {
- 			ClothHairData *root = &cloth_hairdata[i];
- 			BPH_mass_spring_set_rest_transform(id, i, root->rot);
- 		}
- 		else
- 			BPH_mass_spring_set_rest_transform(id, i, I3);
- 		
- 		BPH_mass_spring_set_motion_state(id, i, verts[i].x, verts[i].v);
- 	}
- }
- 
- static bool collision_response(ClothModifierData *clmd, CollisionModifierData *collmd, CollPair *collpair, float dt, float restitution, float r_impulse[3])
- {
- 	Cloth *cloth = clmd->clothObject;
- 	int index = collpair->ap1;
- 	bool result = false;
- 	
- 	float v1[3], v2_old[3], v2_new[3], v_rel_old[3], v_rel_new[3];
- 	float epsilon2 = BLI_bvhtree_getepsilon(collmd->bvhtree);
- 
- 	float margin_distance = (float)collpair->distance - epsilon2;
- 	float mag_v_rel;
- 	
- 	zero_v3(r_impulse);
- 	
- 	if (margin_distance > 0.0f)
- 		return false; /* XXX tested before already? */
- 	
- 	/* only handle static collisions here */
- 	if ( collpair->flag & COLLISION_IN_FUTURE )
- 		return false;
- 	
- 	/* velocity */
- 	copy_v3_v3(v1, cloth->verts[index].v);
- 	collision_get_collider_velocity(v2_old, v2_new, collmd, collpair);
- 	/* relative velocity = velocity of the cloth point relative to the collider */
- 	sub_v3_v3v3(v_rel_old, v1, v2_old);
- 	sub_v3_v3v3(v_rel_new, v1, v2_new);
- 	/* normal component of the relative velocity */
- 	mag_v_rel = dot_v3v3(v_rel_old, collpair->normal);
- 	
- 	/* only valid when moving toward the collider */
- 	if (mag_v_rel < -ALMOST_ZERO) {
- 		float v_nor_old, v_nor_new;
- 		float v_tan_old[3], v_tan_new[3];
- 		float bounce, repulse;
- 		
- 		/* Collision response based on
- 		 * "Simulating Complex Hair with Robust Collision Handling" (Choe, Choi, Ko, ACM SIGGRAPH 2005)
- 		 * http://graphics.snu.ac.kr/publications/2005-choe-HairSim/Choe_2005_SCA.pdf
- 		 */
- 		
- 		v_nor_old = mag_v_rel;
- 		v_nor_new = dot_v3v3(v_rel_new, collpair->normal);
- 		
- 		madd_v3_v3v3fl(v_tan_old, v_rel_old, collpair->normal, -v_nor_old);
- 		madd_v3_v3v3fl(v_tan_new, v_rel_new, collpair->normal, -v_nor_new);
- 		
- 		bounce = -v_nor_old * restitution;
- 		
- 		repulse = -margin_distance / dt; /* base repulsion velocity in normal direction */
- 		/* XXX this clamping factor is quite arbitrary ...
- 		 * not sure if there is a more scientific approach, but seems to give good results
- 		 */
- 		CLAMP(repulse, 0.0f, 4.0f * bounce);
- 		
- 		if (margin_distance < -epsilon2) {
- 			mul_v3_v3fl(r_impulse, collpair->normal, max_ff(repulse, bounce) - v_nor_new);
- 		}
- 		else {
- 			bounce = 0.0f;
- 			mul_v3_v3fl(r_impulse, collpair->normal, repulse - v_nor_new);
- 		}
- 		
- 		result = true;
- 	}
- 	
- 	return result;
- }
- 
- /* Init constraint matrix
-  * This is part of the modified CG method suggested by Baraff/Witkin in
-  * "Large Steps in Cloth Simulation" (Siggraph 1998)
-  */
- static void cloth_setup_constraints(ClothModifierData *clmd, ColliderContacts *contacts, int totcolliders, float dt)
- {
- 	Cloth *cloth = clmd->clothObject;
- 	Implicit_Data *data = cloth->implicit;
- 	ClothVertex *verts = cloth->verts;
- 	int mvert_num = cloth->mvert_num;
- 	int i, j, v;
- 	
- 	const float ZERO[3] = {0.0f, 0.0f, 0.0f};
- 	
- 	BPH_mass_spring_clear_constraints(data);
- 	
- 	for (v = 0; v < mvert_num; v++) {
- 		if (verts[v].flags & CLOTH_VERT_FLAG_PINNED) {
- 			/* pinned vertex constraints */
- 			BPH_mass_spring_add_constraint_ndof0(data, v, ZERO); /* velocity is defined externally */
- 		}
- 		
- 		verts[v].impulse_count = 0;
- 	}
- 
- 	for (i = 0; i < totcolliders; ++i) {
- 		ColliderContacts *ct = &contacts[i];
- 		for (j = 0; j < ct->totcollisions; ++j) {
- 			CollPair *collpair = &ct->collisions[j];
- //			float restitution = (1.0f - clmd->coll_parms->damping) * (1.0f - ct->ob->pd->pdef_sbdamp);
- 			float restitution = 0.0f;
- 			int v = collpair->face1;
- 			float impulse[3];
- 			
- 			/* pinned verts handled separately */
- 			if (verts[v].flags & CLOTH_VERT_FLAG_PINNED)
- 				continue;
- 			
- 			/* XXX cheap way of avoiding instability from multiple collisions in the same step
- 			 * this should eventually be supported ...
- 			 */
- 			if (verts[v].impulse_count > 0)
- 				continue;
- 			
- 			/* calculate collision response */
- 			if (!collision_response(clmd, ct->collmd, collpair, dt, restitution, impulse))
- 				continue;
- 			
- 			BPH_mass_spring_add_constraint_ndof2(data, v, collpair->normal, impulse);
- 			++verts[v].impulse_count;
- 		}
- 	}
- }
- 
- /* computes where the cloth would be if it were subject to perfectly stiff edges
-  * (edge distance constraints) in a lagrangian solver.  then add forces to help
-  * guide the implicit solver to that state.  this function is called after
-  * collisions*/
- static int UNUSED_FUNCTION(cloth_calc_helper_forces)(Object *UNUSED(ob), ClothModifierData *clmd, float (*initial_cos)[3], float UNUSED(step), float dt)
- {
- 	Cloth *cloth= clmd->clothObject;
- 	float (*cos)[3] = (float (*)[3])MEM_callocN(sizeof(float[3]) * cloth->mvert_num, "cos cloth_calc_helper_forces");
- 	float *masses = (float *)MEM_callocN(sizeof(float) * cloth->mvert_num, "cos cloth_calc_helper_forces");
- 	LinkNode *node;
- 	ClothSpring *spring;
- 	ClothVertex *cv;
- 	int i, steps;
- 	
- 	cv = cloth->verts;
- 	for (i = 0; i < cloth->mvert_num; i++, cv++) {
- 		copy_v3_v3(cos[i], cv->tx);
- 		
- 		if (cv->goal == 1.0f || len_squared_v3v3(initial_cos[i], cv->tx) != 0.0f) {
- 			masses[i] = 1e+10;
- 		}
- 		else {
- 			masses[i] = cv->mass;
- 		}
- 	}
- 	
- 	steps = 55;
- 	for (i=0; i<steps; i++) {
- 		for (node=cloth->springs; node; node=node->next) {
- 			/* ClothVertex *cv1, *cv2; */ /* UNUSED */
- 			int v1, v2;
- 			float len, c, l, vec[3];
- 			
- 			spring = (ClothSpring *)node->link;
- 			if (spring->type != CLOTH_SPRING_TYPE_S

@@ Diff output truncated at 10240 characters. @@




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