/**
 * $Id$
 *
 * ***** 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Contributor(s): Blender Foundation (2008), Thomas Dinges
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include <stdlib.h>

#include "RNA_define.h"
#include "RNA_types.h"

#include "rna_internal.h"

#include "DNA_object_types.h"
#include "DNA_object_force.h"
#include "DNA_scene_types.h"

#include "WM_api.h"
#include "WM_types.h"

#ifdef RNA_RUNTIME

#include "MEM_guardedalloc.h"

#include "DNA_modifier_types.h"
#include "DNA_texture_types.h"

#include "BKE_context.h"
#include "BKE_modifier.h"
#include "BKE_pointcache.h"
#include "BKE_depsgraph.h"

#include "BLI_blenlib.h"

#include "ED_object.h"

static void rna_Cache_change(bContext *C, PointerRNA *ptr)
{
	Scene *scene = CTX_data_scene(C);
	Object *ob = CTX_data_active_object(C);
	PointCache *cache = (PointCache*)ptr->data;
	PTCacheID *pid = NULL;
	ListBase pidlist;

	if(!ob)
		return;

	cache->flag |= PTCACHE_OUTDATED;

	BKE_ptcache_ids_from_object(&pidlist, ob);

	DAG_object_flush_update(scene, ob, OB_RECALC_DATA);

	for(pid=pidlist.first; pid; pid=pid->next) {
		if(pid->cache==cache)
			break;
	}

	if(pid)
		BKE_ptcache_update_info(pid);

	BLI_freelistN(&pidlist);
}

static void rna_Cache_toggle_disk_cache(bContext *C, PointerRNA *ptr)
{
	Object *ob = CTX_data_active_object(C);
	PointCache *cache = (PointCache*)ptr->data;
	PTCacheID *pid = NULL;
	ListBase pidlist;

	if(!ob)
		return;

	BKE_ptcache_ids_from_object(&pidlist, ob);

	for(pid=pidlist.first; pid; pid=pid->next) {
		if(pid->cache==cache)
			break;
	}

	if(pid)
		BKE_ptcache_toggle_disk_cache(pid);

	BLI_freelistN(&pidlist);
}

static void rna_Cache_idname_change(bContext *C, PointerRNA *ptr)
{
	Scene *scene = CTX_data_scene(C);
	Object *ob = CTX_data_active_object(C);
	PointCache *cache = (PointCache*)ptr->data;
	PTCacheID *pid = NULL, *pid2= NULL;
	ListBase pidlist;
	int new_name = 1;
	char name[80];

	if(!ob)
		return;

	/* TODO: check for proper characters */

	BKE_ptcache_ids_from_object(&pidlist, ob);

	if(cache->flag & PTCACHE_EXTERNAL) {
		for(pid=pidlist.first; pid; pid=pid->next) {
			if(pid->cache==cache)
				break;
		}

		if(!pid)
			return;

		cache->flag |= (PTCACHE_BAKED|PTCACHE_DISK_CACHE|PTCACHE_SIMULATION_VALID);
		cache->flag &= ~(PTCACHE_OUTDATED|PTCACHE_FRAMES_SKIPPED);

		BKE_ptcache_load_external(pid);
		DAG_object_flush_update(scene, ob, OB_RECALC_DATA);
	}
	else {
		for(pid=pidlist.first; pid; pid=pid->next) {
			if(pid->cache==cache)
				pid2 = pid;
			else if(strcmp(cache->name, "") && strcmp(cache->name,pid->cache->name)==0) {
				/*TODO: report "name exists" to user */
				strcpy(cache->name, cache->prev_name);
				new_name = 0;
			}
		}

		if(new_name) {
			if(pid2 && cache->flag & PTCACHE_DISK_CACHE) {
				/* TODO: change to simple file rename */
				strcpy(name, cache->name);
				strcpy(cache->name, cache->prev_name);

				cache->flag &= ~PTCACHE_DISK_CACHE;

				BKE_ptcache_toggle_disk_cache(pid2);

				strcpy(cache->name, name);

				cache->flag |= PTCACHE_DISK_CACHE;

				BKE_ptcache_toggle_disk_cache(pid2);
			}

			strcpy(cache->prev_name, cache->name);
		}
	}

	BLI_freelistN(&pidlist);
}

static void rna_Cache_list_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
{
	Object *ob = ptr->id.data;
	PointCache *cache= ptr->data;
	PTCacheID *pid;
	ListBase pidlist;

	BKE_ptcache_ids_from_object(&pidlist, ob);

	for(pid=pidlist.first; pid; pid=pid->next) {
		if(pid->cache == cache) {
			rna_iterator_listbase_begin(iter, pid->ptcaches, NULL);
			break;
		}
	}

	BLI_freelistN(&pidlist);
}
static void rna_Cache_active_point_cache_index_range(PointerRNA *ptr, int *min, int *max)
{
	Object *ob = ptr->id.data;
	PointCache *cache= ptr->data;
	PTCacheID *pid;
	ListBase pidlist;

	BKE_ptcache_ids_from_object(&pidlist, ob);
	
	*min= 0;
	*max= 0;

	for(pid=pidlist.first; pid; pid=pid->next) {
		if(pid->cache == cache) {
			*max= BLI_countlist(pid->ptcaches)-1;
			*max= MAX2(0, *max);
			break;
		}
	}

	BLI_freelistN(&pidlist);
}

static int rna_Cache_active_point_cache_index_get(PointerRNA *ptr)
{
	Object *ob = ptr->id.data;
	PointCache *cache= ptr->data;
	PTCacheID *pid;
	ListBase pidlist;
	int num = 0;

	BKE_ptcache_ids_from_object(&pidlist, ob);
	
	for(pid=pidlist.first; pid; pid=pid->next) {
		if(pid->cache == cache) {
			num = BLI_findindex(pid->ptcaches, cache);
			break;
		}
	}

	BLI_freelistN(&pidlist);

	return num;
}

static void rna_Cache_active_point_cache_index_set(struct PointerRNA *ptr, int value)
{
	Object *ob = ptr->id.data;
	PointCache *cache= ptr->data;
	PTCacheID *pid;
	ListBase pidlist;

	BKE_ptcache_ids_from_object(&pidlist, ob);
	
	for(pid=pidlist.first; pid; pid=pid->next) {
		if(pid->cache == cache) {
			*(pid->cache_ptr) = BLI_findlink(pid->ptcaches, value);
			break;
		}
	}

	BLI_freelistN(&pidlist);
}
static int rna_SoftBodySettings_use_edges_get(PointerRNA *ptr)
{
	Object *data= (Object*)(ptr->id.data);
	return (((data->softflag) & OB_SB_EDGES) != 0);
}

static void rna_SoftBodySettings_use_edges_set(PointerRNA *ptr, int value)
{
	Object *data= (Object*)(ptr->id.data);
	if(value) data->softflag |= OB_SB_EDGES;
	else data->softflag &= ~OB_SB_EDGES;
}

static int rna_SoftBodySettings_use_goal_get(PointerRNA *ptr)
{
	Object *data= (Object*)(ptr->id.data);
	return (((data->softflag) & OB_SB_GOAL) != 0);
}

static void rna_SoftBodySettings_use_goal_set(PointerRNA *ptr, int value)
{
	Object *data= (Object*)(ptr->id.data);
	if(value) data->softflag |= OB_SB_GOAL;
	else data->softflag &= ~OB_SB_GOAL;
}

static int rna_SoftBodySettings_stiff_quads_get(PointerRNA *ptr)
{
	Object *data= (Object*)(ptr->id.data);
	return (((data->softflag) & OB_SB_QUADS) != 0);
}

static void rna_SoftBodySettings_stiff_quads_set(PointerRNA *ptr, int value)
{
	Object *data= (Object*)(ptr->id.data);
	if(value) data->softflag |= OB_SB_QUADS;
	else data->softflag &= ~OB_SB_QUADS;
}

static int rna_SoftBodySettings_self_collision_get(PointerRNA *ptr)
{
	Object *data= (Object*)(ptr->id.data);
	return (((data->softflag) & OB_SB_SELF) != 0);
}

static void rna_SoftBodySettings_self_collision_set(PointerRNA *ptr, int value)
{
	Object *data= (Object*)(ptr->id.data);
	if(value) data->softflag |= OB_SB_SELF;
	else data->softflag &= ~OB_SB_SELF;
}

static int rna_SoftBodySettings_new_aero_get(PointerRNA *ptr)
{
	Object *data= (Object*)(ptr->id.data);
	return (((data->softflag) & OB_SB_AERO_ANGLE) != 0);
}

static void rna_SoftBodySettings_new_aero_set(PointerRNA *ptr, int value)
{
	Object *data= (Object*)(ptr->id.data);
	if(value) data->softflag |= OB_SB_AERO_ANGLE;
	else data->softflag &= ~OB_SB_AERO_ANGLE;
}

static int rna_SoftBodySettings_face_collision_get(PointerRNA *ptr)
{
	Object *data= (Object*)(ptr->id.data);
	return (((data->softflag) & OB_SB_FACECOLL) != 0);
}

static void rna_SoftBodySettings_face_collision_set(PointerRNA *ptr, int value)
{
	Object *data= (Object*)(ptr->id.data);
	if(value) data->softflag |= OB_SB_FACECOLL;
	else data->softflag &= ~OB_SB_FACECOLL;
}

static int rna_SoftBodySettings_edge_collision_get(PointerRNA *ptr)
{
	Object *data= (Object*)(ptr->id.data);
	return (((data->softflag) & OB_SB_EDGECOLL) != 0);
}

static void rna_SoftBodySettings_edge_collision_set(PointerRNA *ptr, int value)
{
	Object *data= (Object*)(ptr->id.data);
	if(value) data->softflag |= OB_SB_EDGECOLL;
	else data->softflag &= ~OB_SB_EDGECOLL;
}

static void rna_SoftBodySettings_goal_vgroup_get(PointerRNA *ptr, char *value)
{
	SoftBody *sb= (SoftBody*)ptr->data;
	rna_object_vgroup_name_index_get(ptr, value, sb->vertgroup);
}

static int rna_SoftBodySettings_goal_vgroup_length(PointerRNA *ptr)
{
	SoftBody *sb= (SoftBody*)ptr->data;
	return rna_object_vgroup_name_index_length(ptr, sb->vertgroup);
}

static void rna_SoftBodySettings_goal_vgroup_set(PointerRNA *ptr, const char *value)
{
	SoftBody *sb= (SoftBody*)ptr->data;
	rna_object_vgroup_name_index_set(ptr, value, &sb->vertgroup);
}

static void rna_FieldSettings_update(bContext *C, PointerRNA *ptr)
{
	Scene *scene= CTX_data_scene(C);
	Object *ob= (Object*)ptr->id.data;

	if(ob->pd->forcefield != PFIELD_TEXTURE && ob->pd->tex) {
		ob->pd->tex->id.us--;
		ob->pd->tex= 0;
	}

	DAG_object_flush_update(scene, ob, OB_RECALC_OB);
	WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob);
}

static void rna_FieldSettings_surface_update(bContext *C, PointerRNA *ptr)
{
	Scene *scene= CTX_data_scene(C);
	Object *ob= (Object*)ptr->id.data;
	PartDeflect *pd= ob->pd;
	ModifierData *md= modifiers_findByType(ob, eModifierType_Surface);

	/* add/remove modifier as needed */
	if(!md) {
		if(pd && (pd->flag & PFIELD_SURFACE))
			if(ELEM6(pd->forcefield,PFIELD_HARMONIC,PFIELD_FORCE,PFIELD_HARMONIC,PFIELD_CHARGE,PFIELD_LENNARDJ,PFIELD_BOID))
				if(ELEM4(ob->type, OB_MESH, OB_SURF, OB_FONT, OB_CURVE))
					ED_object_modifier_add(NULL, scene, ob, eModifierType_Surface);
	}
	else {
		if(!pd || !(pd->flag & PFIELD_SURFACE))
			ED_object_modifier_remove(NULL, scene, ob, md);
	}

	WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob);
}

static void rna_FieldSettings_dependency_update(bContext *C, PointerRNA *ptr)
{
	Scene *scene= CTX_data_scene(C);
	Object *ob= (Object*)ptr->id.data;

	/* do this before scene sort, that one checks for CU_PATH */
	/* XXX if(ob->type==OB_CURVE && ob->pd->forcefield==PFIELD_GUIDE) {
		Curve *cu= ob->data;
		cu->flag |= (CU_PATH|CU_3D);
		do_curvebuts(B_CU3D);  // all curves too
	}*/

	rna_FieldSettings_surface_update(C, ptr);

	DAG_scene_sort(scene);

	if(ob->type == OB_CURVE && ob->pd->forcefield == PFIELD_GUIDE)
		DAG_object_flush_update(scene, ob, OB_RECALC);
	else
		DAG_object_flush_update(scene, ob, OB_RECALC_OB);

	WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob);
}

static void rna_CollisionSettings_dependency_update(bContext *C, PointerRNA *ptr)
{
	Scene *scene= CTX_data_scene(C);
	Object *ob= (Object*)ptr->id.data;
	ModifierData *md= modifiers_findByType(ob, eModifierType_Collision);

	/* add/remove modifier as needed */
	if(ob->pd->deflect && !md)
		ED_object_modifier_add(NULL, scene, ob, eModifierType_Collision);
	else if(!ob->pd->deflect && md)
		ED_object_modifier_remove(NULL, scene, ob, md);

	WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob);
}

static void rna_CollisionSettings_update(bContext *C, PointerRNA *ptr)
{
	Scene *scene= CTX_data_scene(C);
	Object *ob= (Object*)ptr->id.data;

	DAG_object_flush_update(scene, ob, OB_RECALC);
	WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob);
}

#else

static void rna_def_pointcache(BlenderRNA *brna)
{
	StructRNA *srna;
	PropertyRNA *prop;

	srna= RNA_def_struct(brna, "PointCache", NULL);
	RNA_def_struct_ui_text(srna, "Point Cache", "Point cache for physics simulations.");
	RNA_def_struct_ui_icon(srna, ICON_PHYSICS);
	
	prop= RNA_def_property(srna, "start_frame", PROP_INT, PROP_TIME);
	RNA_def_property_int_sdna(prop, NULL, "startframe");
	RNA_def_property_range(prop, 1, 300000);
	RNA_def_property_ui_text(prop, "Start", "Frame on which the simulation starts.");
	
	prop= RNA_def_property(srna, "end_frame", PROP_INT, PROP_TIME);
	RNA_def_property_int_sdna(prop, NULL, "endframe");
	RNA_def_property_range(prop, 1, 300000);
	RNA_def_property_ui_text(prop, "End", "Frame on which the simulation stops.");

	prop= RNA_def_property(srna, "step", PROP_INT, PROP_NONE);
	RNA_def_property_range(prop, 1, 20);
	RNA_def_property_ui_text(prop, "Cache Step", "Number of frames between cached frames.");
	RNA_def_property_update(prop, NC_OBJECT, "rna_Cache_change");

	prop= RNA_def_property(srna, "index", PROP_INT, PROP_NONE);
	RNA_def_property_int_sdna(prop, NULL, "index");
	RNA_def_property_range(prop, -1, 100);
	RNA_def_property_ui_text(prop, "Cache Index", "Index number of cache files.");
	RNA_def_property_update(prop, NC_OBJECT, "rna_Cache_idname_change");

	/* flags */
	prop= RNA_def_property(srna, "baked", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PTCACHE_BAKED);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);

	prop= RNA_def_property(srna, "baking", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PTCACHE_BAKING);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);

	prop= RNA_def_property(srna, "disk_cache", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PTCACHE_DISK_CACHE);
	RNA_def_property_ui_text(prop, "Disk Cache", "Save cache files to disk");
	RNA_def_property_update(prop, NC_OBJECT, "rna_Cache_toggle_disk_cache");

	prop= RNA_def_property(srna, "outdated", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PTCACHE_OUTDATED);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Cache is outdated", "");

	prop= RNA_def_property(srna, "frames_skipped", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PTCACHE_FRAMES_SKIPPED);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);

	prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
	RNA_def_property_string_sdna(prop, NULL, "name");
	RNA_def_property_ui_text(prop, "Name", "Cache name");
	RNA_def_property_update(prop, NC_OBJECT, "rna_Cache_idname_change");
	RNA_def_struct_name_property(srna, prop);

	prop= RNA_def_property(srna, "filepath", PROP_STRING, PROP_DIRPATH);
	RNA_def_property_string_sdna(prop, NULL, "path");
	RNA_def_property_ui_text(prop, "File Path", "Cache file path.");
	RNA_def_property_update(prop, NC_OBJECT, "rna_Cache_idname_change");

	prop= RNA_def_property(srna, "quick_cache", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PTCACHE_QUICK_CACHE);
	RNA_def_property_ui_text(prop, "Quick Cache", "Update simulation with cache steps");
	RNA_def_property_update(prop, NC_OBJECT, "rna_Cache_change");

	prop= RNA_def_property(srna, "info", PROP_STRING, PROP_NONE);
	RNA_def_property_string_sdna(prop, NULL, "info");
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Cache Info", "Info on current cache status.");

	prop= RNA_def_property(srna, "external", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PTCACHE_EXTERNAL);
	RNA_def_property_ui_text(prop, "External", "Read cache from an external location");
	RNA_def_property_update(prop, NC_OBJECT, "rna_Cache_idname_change");

	prop= RNA_def_property(srna, "point_cache_list", PROP_COLLECTION, PROP_NONE);
	RNA_def_property_collection_funcs(prop, "rna_Cache_list_begin", "rna_iterator_listbase_next", "rna_iterator_listbase_end", "rna_iterator_listbase_get", 0, 0, 0, 0, 0);
	RNA_def_property_struct_type(prop, "PointCache");
	RNA_def_property_ui_text(prop, "Point Cache List", "Point cache list");

	prop= RNA_def_property(srna, "active_point_cache_index", PROP_INT, PROP_UNSIGNED);
	RNA_def_property_int_funcs(prop, "rna_Cache_active_point_cache_index_get", "rna_Cache_active_point_cache_index_set", "rna_Cache_active_point_cache_index_range");
	RNA_def_property_ui_text(prop, "Active Point Cache Index", "");
	RNA_def_property_update(prop, NC_OBJECT, "rna_Cache_change");
}

static void rna_def_collision(BlenderRNA *brna)
{
	StructRNA *srna;
	PropertyRNA *prop;

	srna= RNA_def_struct(brna, "CollisionSettings", NULL);
	RNA_def_struct_sdna(srna, "PartDeflect");
	RNA_def_struct_ui_text(srna, "Collision Settings", "Collision settings for object in physics simulation.");
	
	prop= RNA_def_property(srna, "enabled", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "deflect", 1);
	RNA_def_property_ui_text(prop, "Enabled", "Enable this objects as a collider for physics systems");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_dependency_update");
	
	/* Particle Interaction */
	
	prop= RNA_def_property(srna, "damping_factor", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "pdef_damp");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Damping Factor", "Amount of damping during particle collision");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
	
	prop= RNA_def_property(srna, "random_damping", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "pdef_rdamp");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Random Damping", "Random variation of damping");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
	
	prop= RNA_def_property(srna, "friction_factor", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "pdef_frict");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Friction Factor", "Amount of friction during particle collision");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
	
	prop= RNA_def_property(srna, "random_friction", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "pdef_rfrict");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Random Friction", "Random variation of friction");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
		
	prop= RNA_def_property(srna, "permeability", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "pdef_perm");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Permeability", "Chance that the particle will pass through the mesh");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
	
	prop= RNA_def_property(srna, "kill_particles", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PDEFLE_KILL_PART);
	RNA_def_property_ui_text(prop, "Kill Particles", "Kill collided particles");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
	
	/* Soft Body and Cloth Interaction */
	
	prop= RNA_def_property(srna, "inner_thickness", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "pdef_sbift");
	RNA_def_property_range(prop, 0.001f, 1.0f);
	RNA_def_property_ui_text(prop, "Inner Thickness", "Inner face thickness");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
	
	prop= RNA_def_property(srna, "outer_thickness", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "pdef_sboft");
	RNA_def_property_range(prop, 0.001f, 1.0f);
	RNA_def_property_ui_text(prop, "Outer Thickness", "Outer face thickness");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
	
	prop= RNA_def_property(srna, "damping", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "pdef_sbdamp");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Damping", "Amount of damping during collision");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
	
	/* Does this belong here?
	prop= RNA_def_property(srna, "collision_stack", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "softflag", OB_SB_COLLFINAL);
	RNA_def_property_ui_text(prop, "Collision from Stack", "Pick collision object from modifier stack (softbody only)");
	RNA_def_property_update(prop, 0, "rna_CollisionSettings_update");
	*/
}

static void rna_def_field(BlenderRNA *brna)
{
	StructRNA *srna;
	PropertyRNA *prop;
	
	static EnumPropertyItem field_type_items[] = {
		{0, "NONE", 0, "None", ""},
		{PFIELD_FORCE, "SPHERICAL", 0, "Spherical", ""},
		{PFIELD_VORTEX, "VORTEX", 0, "Vortex", ""},
		{PFIELD_MAGNET, "MAGNET", 0, "Magnetic", ""},
		{PFIELD_WIND, "WIND", 0, "Wind", ""},
		{PFIELD_GUIDE, "GUIDE", 0, "Curve Guide", ""},
		{PFIELD_TEXTURE, "TEXTURE", 0, "Texture", ""},
		{PFIELD_HARMONIC, "HARMONIC", 0, "Harmonic", ""},
		{PFIELD_CHARGE, "CHARGE", 0, "Charge", ""},
		{PFIELD_LENNARDJ, "LENNARDJ", 0, "Lennard-Jones", ""},
		{PFIELD_BOID, "BOID", 0, "Boid", ""},
		{0, NULL, 0, NULL, NULL}};
		
	static EnumPropertyItem falloff_items[] = {
		{PFIELD_FALL_SPHERE, "SPHERE", 0, "Sphere", ""},
		{PFIELD_FALL_TUBE, "TUBE", 0, "Tube", ""},
		{PFIELD_FALL_CONE, "CONE", 0, "Cone", ""},
		{0, NULL, 0, NULL, NULL}};
		
	static EnumPropertyItem texture_items[] = {
		{PFIELD_TEX_RGB, "RGB", 0, "RGB", ""},
		{PFIELD_TEX_GRAD, "GRADIENT", 0, "Gradient", ""},
		{PFIELD_TEX_CURL, "CURL", 0, "Curl", ""},
		{0, NULL, 0, NULL, NULL}};

	srna= RNA_def_struct(brna, "FieldSettings", NULL);
	RNA_def_struct_sdna(srna, "PartDeflect");
	RNA_def_struct_ui_text(srna, "Field Settings", "Field settings for an object in physics simulation.");
	RNA_def_struct_ui_icon(srna, ICON_PHYSICS);
	
	/* Enums */
	
	prop= RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
	RNA_def_property_enum_sdna(prop, NULL, "forcefield");
	RNA_def_property_enum_items(prop, field_type_items);
	RNA_def_property_ui_text(prop, "Type", "Type of field.");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_dependency_update");
	
	prop= RNA_def_property(srna, "falloff_type", PROP_ENUM, PROP_NONE);
	RNA_def_property_enum_sdna(prop, NULL, "falloff");
	RNA_def_property_enum_items(prop, falloff_items);
	RNA_def_property_ui_text(prop, "Fall-Off", "Fall-off shape.");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "texture_mode", PROP_ENUM, PROP_NONE);
	RNA_def_property_enum_sdna(prop, NULL, "tex_mode");
	RNA_def_property_enum_items(prop, texture_items);
	RNA_def_property_ui_text(prop, "Texture Mode", "How the texture effect is calculated (RGB & Curl need a RGB texture else Gradient will be used instead)");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	/* Float */
	
	prop= RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "f_strength");
	RNA_def_property_range(prop, -1000.0f, 1000.0f);
	RNA_def_property_ui_text(prop, "Strength", "Strength of force field");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "falloff_power", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "f_power");
	RNA_def_property_range(prop, 0.0f, 10.0f);
	RNA_def_property_ui_text(prop, "Falloff Power", "Falloff power (real gravitational falloff = 2)");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "harmonic_damping", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "f_damp");
	RNA_def_property_range(prop, 0.0f, 10.0f);
	RNA_def_property_ui_text(prop, "Harmonic Damping", "Damping of the harmonic force");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "minimum_distance", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "mindist");
	RNA_def_property_range(prop, 0.0f, 1000.0f);
	RNA_def_property_ui_text(prop, "Minimum Distance", "Minimum distance for the field's fall-off");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "maximum_distance", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "maxdist");
	RNA_def_property_range(prop, 0.0f, 1000.0f);
	RNA_def_property_ui_text(prop, "Maximum Distance", "Maximum distance for the field to work");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "radial_minimum", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "minrad");
	RNA_def_property_range(prop, 0.0f, 1000.0f);
	RNA_def_property_ui_text(prop, "Minimum Radial Distance", "Minimum radial distance for the field's fall-off");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "radial_maximum", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "maxrad");
	RNA_def_property_range(prop, 0.0f, 1000.0f);
	RNA_def_property_ui_text(prop, "Maximum Radial Distance", "Maximum radial distance for the field to work");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "radial_falloff", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "f_power_r");
	RNA_def_property_range(prop, 0.0f, 10.0f);
	RNA_def_property_ui_text(prop, "Radial Falloff Power", "Radial falloff power (real gravitational falloff = 2)");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");

	prop= RNA_def_property(srna, "texture_nabla", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "tex_nabla");
	RNA_def_property_range(prop, 0.0001f, 1.0f);
	RNA_def_property_ui_text(prop, "Nabla", "Defines size of derivative offset used for calculating gradient and curl");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "noise", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "f_noise");
	RNA_def_property_range(prop, 0.0f, 10.0f);
	RNA_def_property_ui_text(prop, "Noise", "Noise of the wind force");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");

	prop= RNA_def_property(srna, "seed", PROP_INT, PROP_UNSIGNED);
	RNA_def_property_range(prop, 1, 128);
	RNA_def_property_ui_text(prop, "Seed", "Seed of the wind noise");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");

	/* Boolean */
	
	prop= RNA_def_property(srna, "use_min_distance", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_USEMIN);
	RNA_def_property_ui_text(prop, "Use Min", "Use a minimum distance for the field's fall-off");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "use_max_distance", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_USEMAX);
	RNA_def_property_ui_text(prop, "Use Max", "Use a maximum distance for the field to work");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "use_radial_min", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_USEMINR);
	RNA_def_property_ui_text(prop, "Use Min", "Use a minimum radial distance for the field's fall-off");
	// "Use a minimum angle for the field's fall-off"
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "use_radial_max", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_USEMAXR);
	RNA_def_property_ui_text(prop, "Use Max", "Use a maximum radial distance for the field to work");
	// "Use a maximum angle for the field to work"
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "guide_path_add", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_GUIDE_PATH_ADD);
	RNA_def_property_ui_text(prop, "Additive", "Based on distance/falloff it adds a portion of the entire path");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "planar", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_PLANAR);
	RNA_def_property_ui_text(prop, "Planar", "Create planar field");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "surface", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_SURFACE);
	RNA_def_property_ui_text(prop, "Surface", "Use closest point on surface");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_surface_update");
	
	prop= RNA_def_property(srna, "positive_z", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_POSZ);
	RNA_def_property_ui_text(prop, "Positive", "Effect only in direction of positive Z axis");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "use_coordinates", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_TEX_OBJECT);
	RNA_def_property_ui_text(prop, "Use Coordinates", "Use object/global coordinates for texture");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "force_2d", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_TEX_2D);
	RNA_def_property_ui_text(prop, "2D", "Apply force only in 2d");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	prop= RNA_def_property(srna, "root_coordinates", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", PFIELD_TEX_ROOTCO);
	RNA_def_property_ui_text(prop, "Root Texture Coordinates", "Texture coordinates from root particle locations");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
	
	/* Pointer */
	
	prop= RNA_def_property(srna, "texture", PROP_POINTER, PROP_NONE);
	RNA_def_property_pointer_sdna(prop, NULL, "tex");
	RNA_def_property_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Texture", "Texture to use as force");
	RNA_def_property_update(prop, 0, "rna_FieldSettings_update");
}

static void rna_def_game_softbody(BlenderRNA *brna)
{
	StructRNA *srna;
	PropertyRNA *prop;

	srna= RNA_def_struct(brna, "GameSoftBodySettings", NULL);
	RNA_def_struct_sdna(srna, "BulletSoftBody");
	RNA_def_struct_ui_text(srna, "Game Soft Body Settings", "Soft body simulation settings for an object in the game engine.");
	
	/* Floats */
	
	prop= RNA_def_property(srna, "linstiff", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "linStiff");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Linear Stiffness", "Linear stiffness of the soft body links");
	
	prop= RNA_def_property(srna, "dynamic_friction", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "kDF");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Friction", "Dynamic Friction");
	
	prop= RNA_def_property(srna, "threshold", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "kMT");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Threshold", "Shape matching threshold");
	
	prop= RNA_def_property(srna, "margin", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "margin");
	RNA_def_property_range(prop, 0.01f, 1.0f);
	RNA_def_property_ui_text(prop, "Margin", "Collision margin for soft body. Small value makes the algorithm unstable");
	
	prop= RNA_def_property(srna, "welding", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "welding");
	RNA_def_property_range(prop, 0.0f, 0.01f);
	RNA_def_property_ui_text(prop, "Welding", "Welding threshold: distance between nearby vertices to be considered equal => set to 0.0 to disable welding test and speed up scene loading (ok if the mesh has no duplicates)");

	/* Integers */
	
	prop= RNA_def_property(srna, "position_iterations", PROP_INT, PROP_NONE);
	RNA_def_property_int_sdna(prop, NULL, "piterations");
	RNA_def_property_range(prop, 0, 10);
	RNA_def_property_ui_text(prop, "Position Iterations", "Position solver iterations");
	
	prop= RNA_def_property(srna, "cluster_iterations", PROP_INT, PROP_NONE);
	RNA_def_property_int_sdna(prop, NULL, "numclusteriterations");
	RNA_def_property_range(prop, 1, 128);
	RNA_def_property_ui_text(prop, "Cluster Iterations", "Specify the number of cluster iterations");
	
	/* Booleans */
	
	prop= RNA_def_property(srna, "shape_match", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", OB_BSB_SHAPE_MATCHING);
	RNA_def_property_ui_text(prop, "Shape Match", "Enable soft body shape matching goal");
	
	prop= RNA_def_property(srna, "bending_const", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", OB_BSB_BENDING_CONSTRAINTS);
	RNA_def_property_ui_text(prop, "Bending Const", "Enable bending constraints");
	
	prop= RNA_def_property(srna, "cluster_rigid_to_softbody", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "collisionflags", OB_BSB_COL_CL_RS);
	RNA_def_property_ui_text(prop, "Rigid to Soft Body", "Enable cluster collision between soft and rigid body");
	
	prop= RNA_def_property(srna, "cluster_soft_to_softbody", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "collisionflags", OB_BSB_COL_CL_SS);
	RNA_def_property_ui_text(prop, "Soft to Soft Body", "Enable cluster collision between soft and soft body");
}

static void rna_def_softbody(BlenderRNA *brna)
{
	StructRNA *srna;
	PropertyRNA *prop;
	
	static EnumPropertyItem collision_type_items[] = {
		{SBC_MODE_MANUAL, "MANUAL", 0, "Manual", "Manual adjust"},
		{SBC_MODE_AVG, "AVERAGE", 0, "Average", "Average Spring length * Ball Size"},
		{SBC_MODE_MIN, "MINIMAL", 0, "Minimal", "Minimal Spring length * Ball Size"},
		{SBC_MODE_MAX, "MAXIMAL", 0, "Maximal", "Maximal Spring length * Ball Size"},
		{SBC_MODE_AVGMINMAX, "MINMAX", 0, "AvMinMax", "(Min+Max)/2 * Ball Size"},
		{0, NULL, 0, NULL, NULL}};

	srna= RNA_def_struct(brna, "SoftBodySettings", NULL);
	RNA_def_struct_sdna(srna, "SoftBody");
	RNA_def_struct_ui_text(srna, "Soft Body Settings", "Soft body simulation settings for an object.");
	
	/* General Settings */
	
	prop= RNA_def_property(srna, "friction", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "mediafrict");
	RNA_def_property_range(prop, 0.0f, 50.0f);
	RNA_def_property_ui_text(prop, "Friction", "General media friction for point movements");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "mass", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "nodemass");
	RNA_def_property_range(prop, 0.0f, 50000.0f);
	RNA_def_property_ui_text(prop, "Mass", "");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "gravity", PROP_FLOAT, PROP_ACCELERATION);
	RNA_def_property_float_sdna(prop, NULL, "grav");
	RNA_def_property_range(prop, -10.0f, 10.0f);
	RNA_def_property_ui_text(prop, "Gravitation", "Apply gravitation to point movement");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "speed", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "physics_speed");
	RNA_def_property_range(prop, 0.01f, 100.0f);
	RNA_def_property_ui_text(prop, "Speed", "Tweak timing for physics to control frequency and speed");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	/* Goal */
	
	prop= RNA_def_property(srna, "goal_vertex_group", PROP_STRING, PROP_NONE);
	RNA_def_property_string_sdna(prop, NULL, "vertgroup");
	RNA_def_property_string_funcs(prop, "rna_SoftBodySettings_goal_vgroup_get", "rna_SoftBodySettings_goal_vgroup_length", "rna_SoftBodySettings_goal_vgroup_set");
	RNA_def_property_ui_text(prop, "Goal Vertex Group", "Control point weight values.");
	
	prop= RNA_def_property(srna, "goal_min", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "mingoal");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Goal Minimum", "Goal minimum, vertex group weights are scaled to match this range.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");

	prop= RNA_def_property(srna, "goal_max", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "maxgoal");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Goal Maximum", "Goal maximum, vertex group weights are scaled to match this range.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");

	prop= RNA_def_property(srna, "goal_default", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "defgoal");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Goal Default", "Default Goal (vertex target position) value, when no Vertex Group used.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "goal_spring", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "goalspring");
	RNA_def_property_range(prop, 0.0f, 0.999f);
	RNA_def_property_ui_text(prop, "Goal Stiffness", "Goal (vertex target position) spring stiffness.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "goal_friction", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "goalfrict");
	RNA_def_property_range(prop, 0.0f, 50.0f);
	RNA_def_property_ui_text(prop, "Goal Damping", "Goal (vertex target position) friction.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	/* Edge Spring Settings */
	
	prop= RNA_def_property(srna, "pull", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "inspring");
	RNA_def_property_range(prop, 0.0f, 0.999f);
	RNA_def_property_ui_text(prop, "Pull", "Edge spring stiffness when longer than rest length");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "push", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "inpush");
	RNA_def_property_range(prop, 0.0f, 0.999f);
	RNA_def_property_ui_text(prop, "Push", "Edge spring stiffness when shorter than rest length");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "damp", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "infrict");
	RNA_def_property_range(prop, 0.0f, 50.0f);
	RNA_def_property_ui_text(prop, "Damp", "Edge spring friction");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "spring_length", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "springpreload");
	RNA_def_property_range(prop, 0.0f, 200.0f);
	RNA_def_property_ui_text(prop, "SL", "Alter spring length to shrink/blow up (unit %) 0 to disable");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "aero", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "aeroedge");
	RNA_def_property_range(prop, 0.0f, 30000.0f);
	RNA_def_property_ui_text(prop, "Aero", "Make edges 'sail'");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "plastic", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "plastic");
	RNA_def_property_range(prop, 0.0f, 100.0f);
	RNA_def_property_ui_text(prop, "Plastic", "Permanent deform");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "bending", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "secondspring");
	RNA_def_property_range(prop, 0.0f, 10.0f);
	RNA_def_property_ui_text(prop, "Bending", "Bending Stiffness");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "shear", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "shearstiff");
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Shear", "Shear Stiffness");
	
	/* Collision */
	
	prop= RNA_def_property(srna, "collision_type", PROP_ENUM, PROP_NONE);
	RNA_def_property_enum_sdna(prop, NULL, "sbc_mode");
	RNA_def_property_enum_items(prop, collision_type_items);
	RNA_def_property_ui_text(prop, "Collision Type", "Choose Collision Type");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "ball_size", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "colball");
	RNA_def_property_range(prop, -10.0f, 10.0f);
	RNA_def_property_ui_text(prop, "Ball Size", "Absolute ball size or factor if not manual adjusted");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "ball_stiff", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "ballstiff");
	RNA_def_property_range(prop, 0.001f, 100.0f);
	RNA_def_property_ui_text(prop, "Ball Size", "Ball inflating presure");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "ball_damp", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "balldamp");
	RNA_def_property_range(prop, 0.001f, 1.0f);
	RNA_def_property_ui_text(prop, "Ball Size", "Blending to inelastic collision");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	/* Solver */
	
	prop= RNA_def_property(srna, "error_limit", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "rklimit");
	RNA_def_property_range(prop, 0.001f, 10.0f);
	RNA_def_property_ui_text(prop, "Error Limit", "The Runge-Kutta ODE solver error limit, low value gives more precision, high values speed");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "minstep", PROP_INT, PROP_NONE);
	RNA_def_property_int_sdna(prop, NULL, "minloops");
	RNA_def_property_range(prop, 0, 30000);
	RNA_def_property_ui_text(prop, "Min Step", "Minimal # solver steps/frame");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "maxstep", PROP_INT, PROP_NONE);
	RNA_def_property_int_sdna(prop, NULL, "maxloops");
	RNA_def_property_range(prop, 0, 30000);
	RNA_def_property_ui_text(prop, "Max Step", "Maximal # solver steps/frame");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "choke", PROP_INT, PROP_NONE);
	RNA_def_property_int_sdna(prop, NULL, "choke");
	RNA_def_property_range(prop, 0, 100);
	RNA_def_property_ui_text(prop, "Choke", "'Viscosity' inside collision target");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "fuzzy", PROP_INT, PROP_NONE);
	RNA_def_property_int_sdna(prop, NULL, "fuzzyness");
	RNA_def_property_range(prop, 1, 100);
	RNA_def_property_ui_text(prop, "Fuzzy", "Fuzzyness while on collision, high values make collsion handling faster but less stable");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "auto_step", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "solverflags", SBSO_OLDERR);
	RNA_def_property_ui_text(prop, "V", "Use velocities for automagic step sizes");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "diagnose", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "solverflags", SBSO_MONITOR);
	RNA_def_property_ui_text(prop, "Print Performance to Console", "Turn on SB diagnose console prints");
	
	/* Flags */
	
	prop= RNA_def_property(srna, "use_goal", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_funcs(prop, "rna_SoftBodySettings_use_goal_get", "rna_SoftBodySettings_use_goal_set");
	RNA_def_property_ui_text(prop, "Use Goal", "Define forces for vertices to stick to animated position.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "use_edges", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_funcs(prop, "rna_SoftBodySettings_use_edges_get", "rna_SoftBodySettings_use_edges_set");
	RNA_def_property_ui_text(prop, "Use Edges", "Use Edges as springs");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "stiff_quads", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_funcs(prop, "rna_SoftBodySettings_stiff_quads_get", "rna_SoftBodySettings_stiff_quads_set");
	RNA_def_property_ui_text(prop, "Stiff Quads", "Adds diagonal springs on 4-gons.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "edge_collision", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_funcs(prop, "rna_SoftBodySettings_edge_collision_get", "rna_SoftBodySettings_edge_collision_set");
	RNA_def_property_ui_text(prop, "Edge Collision", "Edges collide too.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "face_collision", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_funcs(prop, "rna_SoftBodySettings_face_collision_get", "rna_SoftBodySettings_face_collision_set");
	RNA_def_property_ui_text(prop, "Face Collision", "Faces collide too, SLOOOOOW warning.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "new_aero", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_funcs(prop, "rna_SoftBodySettings_new_aero_get", "rna_SoftBodySettings_new_aero_set");
	RNA_def_property_ui_text(prop, "N", "New aero(uses angle and length).");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
	
	prop= RNA_def_property(srna, "self_collision", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_funcs(prop, "rna_SoftBodySettings_self_collision_get", "rna_SoftBodySettings_self_collision_set");
	RNA_def_property_ui_text(prop, "Self Collision", "Enable naive vertex ball self collision.");
	RNA_def_property_update(prop, NC_OBJECT|ND_GEOM_DATA, "rna_Object_update_data");
}

void RNA_def_object_force(BlenderRNA *brna)
{
	rna_def_pointcache(brna);
	rna_def_collision(brna);
	rna_def_field(brna);
	rna_def_game_softbody(brna);
	rna_def_softbody(brna);
}

#endif
