/*
 * ***** 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) 2009 by Janne Karhu.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/makesrna/intern/rna_boid.c
 *  \ingroup RNA
 */

#include <float.h>
#include <limits.h>
#include <stdlib.h>

#include "DNA_scene_types.h"
#include "DNA_boid_types.h"
#include "DNA_object_types.h"
#include "DNA_particle_types.h"

#include "BLI_utildefines.h"

#include "RNA_define.h"
#include "RNA_enum_types.h"

#include "rna_internal.h"

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

EnumPropertyItem boidrule_type_items[] = {
	{eBoidRuleType_Goal, "GOAL", 0, "Goal", "Go to assigned object or loudest assigned signal source"},
	{eBoidRuleType_Avoid, "AVOID", 0, "Avoid", "Get away from assigned object or loudest assigned signal source"},
	{eBoidRuleType_AvoidCollision, "AVOID_COLLISION", 0, "Avoid Collision",
	                               "Maneuver to avoid collisions with other boids and deflector objects in "
	                               "near future"},
	{eBoidRuleType_Separate, "SEPARATE", 0, "Separate", "Keep from going through other boids"},
	{eBoidRuleType_Flock, "FLOCK", 0, "Flock", "Move to center of neighbors and match their velocity"},
	{eBoidRuleType_FollowLeader, "FOLLOW_LEADER", 0, "Follow Leader", "Follow a boid or assigned object"},
	{eBoidRuleType_AverageSpeed, "AVERAGE_SPEED", 0, "Average Speed", "Maintain speed, flight level or wander"},
	{eBoidRuleType_Fight, "FIGHT", 0, "Fight", "Go to closest enemy and attack when in range"},
#if 0
	{eBoidRuleType_Protect, "PROTECT", 0, "Protect", "Go to enemy closest to target and attack when in range"},
	{eBoidRuleType_Hide, "HIDE", 0, "Hide", "Find a deflector move to it's other side from closest enemy"},
	{eBoidRuleType_FollowPath, "FOLLOW_PATH", 0, "Follow Path",
	                           "Move along a assigned curve or closest curve in a group"},
	{eBoidRuleType_FollowWall, "FOLLOW_WALL", 0, "Follow Wall",
	                           "Move next to a deflector object's in direction of it's tangent"},
#endif
	{0, NULL, 0, NULL, NULL}
};

#ifndef RNA_RUNTIME
static EnumPropertyItem boidruleset_type_items[] = {
	{eBoidRulesetType_Fuzzy, "FUZZY", 0, "Fuzzy",
	                         "Rules are gone through top to bottom (only the first rule which effect is above "
	                         "fuzziness threshold is evaluated)"},
	{eBoidRulesetType_Random, "RANDOM", 0, "Random", "A random rule is selected for each boid"},
	{eBoidRulesetType_Average, "AVERAGE", 0, "Average", "All rules are averaged"},
	{0, NULL, 0, NULL, NULL}
};
#endif


#ifdef RNA_RUNTIME

#include "BLI_math_base.h"

#include "BKE_context.h"
#include "BKE_depsgraph.h"
#include "BKE_particle.h"

static void rna_Boids_reset(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
{
	if (ptr->type == &RNA_ParticleSystem) {
		ParticleSystem *psys = (ParticleSystem *)ptr->data;
		
		psys->recalc = PSYS_RECALC_RESET;

		DAG_id_tag_update(ptr->id.data, OB_RECALC_DATA);
	}
	else
		DAG_id_tag_update(ptr->id.data, OB_RECALC_DATA | PSYS_RECALC_RESET);

	WM_main_add_notifier(NC_OBJECT | ND_PARTICLE | NA_EDITED, NULL);
}
static void rna_Boids_reset_deps(Main *bmain, Scene *UNUSED(scene), PointerRNA *ptr)
{
	if (ptr->type == &RNA_ParticleSystem) {
		ParticleSystem *psys = (ParticleSystem *)ptr->data;
		
		psys->recalc = PSYS_RECALC_RESET;

		DAG_id_tag_update(ptr->id.data, OB_RECALC_DATA);
	}
	else
		DAG_id_tag_update(ptr->id.data, OB_RECALC_DATA | PSYS_RECALC_RESET);

	DAG_relations_tag_update(bmain);

	WM_main_add_notifier(NC_OBJECT | ND_PARTICLE | NA_EDITED, NULL);
}

static StructRNA *rna_BoidRule_refine(struct PointerRNA *ptr)
{
	BoidRule *rule = (BoidRule *)ptr->data;

	switch (rule->type) {
		case eBoidRuleType_Goal:
			return &RNA_BoidRuleGoal;
		case eBoidRuleType_Avoid:
			return &RNA_BoidRuleAvoid;
		case eBoidRuleType_AvoidCollision:
			return &RNA_BoidRuleAvoidCollision;
		case eBoidRuleType_FollowLeader:
			return &RNA_BoidRuleFollowLeader;
		case eBoidRuleType_AverageSpeed:
			return &RNA_BoidRuleAverageSpeed;
		case eBoidRuleType_Fight:
			return &RNA_BoidRuleFight;
		default:
			return &RNA_BoidRule;
	}
}

static char *rna_BoidRule_path(PointerRNA *ptr)
{
	BoidRule *rule = (BoidRule *)ptr->data;
	char name_esc[sizeof(rule->name) * 2];

	BLI_strescape(name_esc, rule->name, sizeof(name_esc));

	return BLI_sprintfN("rules[\"%s\"]", name_esc);  /* XXX not unique */
}

static PointerRNA rna_BoidState_active_boid_rule_get(PointerRNA *ptr)
{
	BoidState *state = (BoidState *)ptr->data;
	BoidRule *rule = (BoidRule *)state->rules.first;

	for (; rule; rule = rule->next) {
		if (rule->flag & BOIDRULE_CURRENT)
			return rna_pointer_inherit_refine(ptr, &RNA_BoidRule, rule);
	}
	return rna_pointer_inherit_refine(ptr, &RNA_BoidRule, NULL);
}
static void rna_BoidState_active_boid_rule_index_range(PointerRNA *ptr, int *min, int *max,
                                                       int *UNUSED(softmin), int *UNUSED(softmax))
{
	BoidState *state = (BoidState *)ptr->data;
	*min = 0;
	*max = max_ii(0, BLI_listbase_count(&state->rules) - 1);
}

static int rna_BoidState_active_boid_rule_index_get(PointerRNA *ptr)
{
	BoidState *state = (BoidState *)ptr->data;
	BoidRule *rule = (BoidRule *)state->rules.first;
	int i = 0;

	for (; rule; rule = rule->next, i++) {
		if (rule->flag & BOIDRULE_CURRENT)
			return i;
	}
	return 0;
}

static void rna_BoidState_active_boid_rule_index_set(struct PointerRNA *ptr, int value)
{
	BoidState *state = (BoidState *)ptr->data;
	BoidRule *rule = (BoidRule *)state->rules.first;
	int i = 0;

	for (; rule; rule = rule->next, i++) {
		if (i == value)
			rule->flag |= BOIDRULE_CURRENT;
		else
			rule->flag &= ~BOIDRULE_CURRENT;
	}
}

static int particle_id_check(PointerRNA *ptr)
{
	ID *id = ptr->id.data;

	return (GS(id->name) == ID_PA);
}

static char *rna_BoidSettings_path(PointerRNA *ptr)
{
	BoidSettings *boids = (BoidSettings *)ptr->data;
	
	if (particle_id_check(ptr)) {
		ParticleSettings *part = (ParticleSettings *)ptr->id.data;
		
		if (part->boids == boids)
			return BLI_sprintfN("boids");
	}
	return NULL;
}

static PointerRNA rna_BoidSettings_active_boid_state_get(PointerRNA *ptr)
{
	BoidSettings *boids = (BoidSettings *)ptr->data;
	BoidState *state = (BoidState *)boids->states.first;

	for (; state; state = state->next) {
		if (state->flag & BOIDSTATE_CURRENT)
			return rna_pointer_inherit_refine(ptr, &RNA_BoidState, state);
	}
	return rna_pointer_inherit_refine(ptr, &RNA_BoidState, NULL);
}
static void rna_BoidSettings_active_boid_state_index_range(PointerRNA *ptr, int *min, int *max,
                                                           int *UNUSED(softmin), int *UNUSED(softmax))
{
	BoidSettings *boids = (BoidSettings *)ptr->data;
	*min = 0;
	*max = max_ii(0, BLI_listbase_count(&boids->states) - 1);
}

static int rna_BoidSettings_active_boid_state_index_get(PointerRNA *ptr)
{
	BoidSettings *boids = (BoidSettings *)ptr->data;
	BoidState *state = (BoidState *)boids->states.first;
	int i = 0;

	for (; state; state = state->next, i++) {
		if (state->flag & BOIDSTATE_CURRENT)
			return i;
	}
	return 0;
}

static void rna_BoidSettings_active_boid_state_index_set(struct PointerRNA *ptr, int value)
{
	BoidSettings *boids = (BoidSettings *)ptr->data;
	BoidState *state = (BoidState *)boids->states.first;
	int i = 0;

	for (; state; state = state->next, i++) {
		if (i == value)
			state->flag |= BOIDSTATE_CURRENT;
		else
			state->flag &= ~BOIDSTATE_CURRENT;
	}
}

#else

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

	srna = RNA_def_struct(brna, "BoidRuleGoal", "BoidRule");
	RNA_def_struct_ui_text(srna, "Goal", "");
	RNA_def_struct_sdna(srna, "BoidRuleGoalAvoid");

	prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
	RNA_def_property_pointer_sdna(prop, NULL, "ob");
	RNA_def_property_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Object", "Goal object");
	RNA_def_property_update(prop, 0, "rna_Boids_reset_deps");

	prop = RNA_def_property(srna, "use_predict", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "options", BRULE_GOAL_AVOID_PREDICT);
	RNA_def_property_ui_text(prop, "Predict", "Predict target movement");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
}

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

	srna = RNA_def_struct(brna, "BoidRuleAvoid", "BoidRule");
	RNA_def_struct_ui_text(srna, "Avoid", "");
	RNA_def_struct_sdna(srna, "BoidRuleGoalAvoid");

	prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
	RNA_def_property_pointer_sdna(prop, NULL, "ob");
	RNA_def_property_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Object", "Object to avoid");
	RNA_def_property_update(prop, 0, "rna_Boids_reset_deps");

	prop = RNA_def_property(srna, "use_predict", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "options", BRULE_GOAL_AVOID_PREDICT);
	RNA_def_property_ui_text(prop, "Predict", "Predict target movement");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "fear_factor", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0f, 100.0f);
	RNA_def_property_ui_text(prop, "Fear factor", "Avoid object if danger from it is above this threshold");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
}

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

	srna = RNA_def_struct(brna, "BoidRuleAvoidCollision", "BoidRule");
	RNA_def_struct_ui_text(srna, "Avoid Collision", "");

	prop = RNA_def_property(srna, "use_avoid", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "options", BRULE_ACOLL_WITH_BOIDS);
	RNA_def_property_ui_text(prop, "Boids", "Avoid collision with other boids");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "use_avoid_collision", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "options", BRULE_ACOLL_WITH_DEFLECTORS);
	RNA_def_property_ui_text(prop, "Deflectors", "Avoid collision with deflector objects");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "look_ahead", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0f, 100.0f);
	RNA_def_property_ui_text(prop, "Look ahead", "Time to look ahead in seconds");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
}

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

	srna = RNA_def_struct(brna, "BoidRuleFollowLeader", "BoidRule");
	RNA_def_struct_ui_text(srna, "Follow Leader", "");

	prop = RNA_def_property(srna, "object", PROP_POINTER, PROP_NONE);
	RNA_def_property_pointer_sdna(prop, NULL, "ob");
	RNA_def_property_flag(prop, PROP_EDITABLE);
	RNA_def_property_ui_text(prop, "Object", "Follow this object instead of a boid");
	RNA_def_property_update(prop, 0, "rna_Boids_reset_deps");

	prop = RNA_def_property(srna, "distance", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0f, 100.0f);
	RNA_def_property_ui_text(prop, "Distance", "Distance behind leader to follow");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "queue_count", PROP_INT, PROP_NONE);
	RNA_def_property_int_sdna(prop, NULL, "queue_size");
	RNA_def_property_range(prop, 0.0f, 100.0f);
	RNA_def_property_ui_text(prop, "Queue Size", "How many boids in a line");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "use_line", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "options", BRULE_LEADER_IN_LINE);
	RNA_def_property_ui_text(prop, "Line", "Follow leader in a line");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
}

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

	srna = RNA_def_struct(brna, "BoidRuleAverageSpeed", "BoidRule");
	RNA_def_struct_ui_text(srna, "Average Speed", "");

	prop = RNA_def_property(srna, "wander", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Wander", "How fast velocity's direction is randomized");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "level", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Level", "How much velocity's z-component is kept constant");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "speed", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0f, 1.0f);
	RNA_def_property_ui_text(prop, "Speed", "Percentage of maximum speed");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
}

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

	srna = RNA_def_struct(brna, "BoidRuleFight", "BoidRule");
	RNA_def_struct_ui_text(srna, "Fight", "");

	prop = RNA_def_property(srna, "distance", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0f, 100.0f);
	RNA_def_property_ui_text(prop, "Fight Distance", "Attack boids at max this distance");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "flee_distance", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0f, 100.0f);
	RNA_def_property_ui_text(prop, "Flee Distance", "Flee to this distance");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
}

static void rna_def_boidrule(BlenderRNA *brna)
{
	StructRNA *srna;
	PropertyRNA *prop;
	
	/* data */
	srna = RNA_def_struct(brna, "BoidRule", NULL);
	RNA_def_struct_ui_text(srna, "Boid Rule", "");
	RNA_def_struct_refine_func(srna, "rna_BoidRule_refine");
	RNA_def_struct_path_func(srna, "rna_BoidRule_path");
	
	/* strings */
	prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
	RNA_def_property_ui_text(prop, "Name", "Boid rule name");
	RNA_def_struct_name_property(srna, prop);
	
	/* enums */
	prop = RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
	RNA_def_property_enum_sdna(prop, NULL, "type");
	RNA_def_property_enum_items(prop, boidrule_type_items);
	RNA_def_property_ui_text(prop, "Type", "");
	
	/* flags */
	prop = RNA_def_property(srna, "use_in_air", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", BOIDRULE_IN_AIR);
	RNA_def_property_ui_text(prop, "In Air", "Use rule when boid is flying");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
	
	prop = RNA_def_property(srna, "use_on_land", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "flag", BOIDRULE_ON_LAND);
	RNA_def_property_ui_text(prop, "On Land", "Use rule when boid is on land");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
	
	/*prop = RNA_def_property(srna, "show_expanded", PROP_BOOLEAN, PROP_NONE); */
	/*RNA_def_property_boolean_sdna(prop, NULL, "mode", eModifierMode_Expanded); */
	/*RNA_def_property_ui_text(prop, "Expanded", "Set modifier expanded in the user interface"); */

	/* types */
	rna_def_boidrule_goal(brna);
	rna_def_boidrule_avoid(brna);
	rna_def_boidrule_avoid_collision(brna);
	rna_def_boidrule_follow_leader(brna);
	rna_def_boidrule_average_speed(brna);
	rna_def_boidrule_fight(brna);
}

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

	srna = RNA_def_struct(brna, "BoidState", NULL);
	RNA_def_struct_ui_text(srna, "Boid State", "Boid state for boid physics");

	prop = RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
	RNA_def_property_ui_text(prop, "Name", "Boid state name");
	RNA_def_struct_name_property(srna, prop);

	prop = RNA_def_property(srna, "ruleset_type", PROP_ENUM, PROP_NONE);
	RNA_def_property_enum_items(prop, boidruleset_type_items);
	RNA_def_property_ui_text(prop, "Rule Evaluation", "How the rules in the list are evaluated");

	prop = RNA_def_property(srna, "rules", PROP_COLLECTION, PROP_NONE);
	RNA_def_property_struct_type(prop, "BoidRule");
	RNA_def_property_ui_text(prop, "Boid Rules", "");

	prop = RNA_def_property(srna, "active_boid_rule", PROP_POINTER, PROP_NONE);
	RNA_def_property_struct_type(prop, "BoidRule");
	RNA_def_property_pointer_funcs(prop, "rna_BoidState_active_boid_rule_get", NULL, NULL, NULL);
	RNA_def_property_ui_text(prop, "Active Boid Rule", "");

	prop = RNA_def_property(srna, "active_boid_rule_index", PROP_INT, PROP_UNSIGNED);
	RNA_def_property_int_funcs(prop, "rna_BoidState_active_boid_rule_index_get",
	                           "rna_BoidState_active_boid_rule_index_set",
	                           "rna_BoidState_active_boid_rule_index_range");
	RNA_def_property_ui_text(prop, "Active Boid Rule Index", "");

	prop = RNA_def_property(srna, "rule_fuzzy", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "rule_fuzziness");
	RNA_def_property_range(prop, 0.0, 1.0);
	RNA_def_property_ui_text(prop, "Rule Fuzziness", "");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "volume", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 100.0);
	RNA_def_property_ui_text(prop, "Volume", "");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "falloff", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 10.0);
	RNA_def_property_ui_text(prop, "Falloff", "");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
}
static void rna_def_boid_settings(BlenderRNA *brna)
{
	StructRNA *srna;
	PropertyRNA *prop;

	srna = RNA_def_struct(brna, "BoidSettings", NULL);
	RNA_def_struct_path_func(srna, "rna_BoidSettings_path");
	RNA_def_struct_ui_text(srna, "Boid Settings", "Settings for boid physics");

	prop = RNA_def_property(srna, "land_smooth", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "landing_smoothness");
	RNA_def_property_range(prop, 0.0, 10.0);
	RNA_def_property_ui_text(prop, "Landing Smoothness", "How smoothly the boids land");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "bank", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "banking");
	RNA_def_property_range(prop, 0.0, 2.0);
	RNA_def_property_ui_text(prop, "Banking", "Amount of rotation around velocity vector on turns");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "pitch", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "pitch");
	RNA_def_property_range(prop, 0.0, 2.0);
	RNA_def_property_ui_text(prop, "Pitch", "Amount of rotation around side vector");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "height", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 2.0);
	RNA_def_property_ui_text(prop, "Height", "Boid height relative to particle size");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	/* states */
	prop = RNA_def_property(srna, "states", PROP_COLLECTION, PROP_NONE);
	RNA_def_property_struct_type(prop, "BoidState");
	RNA_def_property_ui_text(prop, "Boid States", "");

	prop = RNA_def_property(srna, "active_boid_state", PROP_POINTER, PROP_NONE);
	RNA_def_property_struct_type(prop, "BoidRule");
	RNA_def_property_pointer_funcs(prop, "rna_BoidSettings_active_boid_state_get", NULL, NULL, NULL);
	RNA_def_property_ui_text(prop, "Active Boid Rule", "");

	prop = RNA_def_property(srna, "active_boid_state_index", PROP_INT, PROP_UNSIGNED);
	RNA_def_property_int_funcs(prop, "rna_BoidSettings_active_boid_state_index_get",
	                           "rna_BoidSettings_active_boid_state_index_set",
	                           "rna_BoidSettings_active_boid_state_index_range");
	RNA_def_property_ui_text(prop, "Active Boid State Index", "");

	/* character properties */
	prop = RNA_def_property(srna, "health", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 100.0);
	RNA_def_property_ui_text(prop, "Health", "Initial boid health when born");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 100.0);
	RNA_def_property_ui_text(prop, "Strength", "Maximum caused damage on attack per second");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "aggression", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 100.0);
	RNA_def_property_ui_text(prop, "Aggression", "Boid will fight this times stronger enemy");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "accuracy", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 1.0);
	RNA_def_property_ui_text(prop, "Accuracy", "Accuracy of attack");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "range", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 100.0);
	RNA_def_property_ui_text(prop, "Range", "Maximum distance from which a boid can attack");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	/* physical properties */
	prop = RNA_def_property(srna, "air_speed_min", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "air_min_speed");
	RNA_def_property_range(prop, 0.0, 1.0);
	RNA_def_property_ui_text(prop, "Min Air Speed", "Minimum speed in air (relative to maximum speed)");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "air_speed_max", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "air_max_speed");
	RNA_def_property_range(prop, 0.0, 100.0);
	RNA_def_property_ui_text(prop, "Max Air Speed", "Maximum speed in air");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "air_acc_max", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "air_max_acc");
	RNA_def_property_range(prop, 0.0, 1.0);
	RNA_def_property_ui_text(prop, "Max Air Acceleration", "Maximum acceleration in air (relative to maximum speed)");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "air_ave_max", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "air_max_ave");
	RNA_def_property_range(prop, 0.0, 1.0);
	RNA_def_property_ui_text(prop, "Max Air Angular Velocity",
	                         "Maximum angular velocity in air (relative to 180 degrees)");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "air_personal_space", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 10.0);
	RNA_def_property_ui_text(prop, "Air Personal Space", "Radius of boids personal space in air (% of particle size)");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "land_jump_speed", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 100.0);
	RNA_def_property_ui_text(prop, "Jump Speed", "Maximum speed for jumping");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "land_speed_max", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "land_max_speed");
	RNA_def_property_range(prop, 0.0, 100.0);
	RNA_def_property_ui_text(prop, "Max Land Speed", "Maximum speed on land");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "land_acc_max", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "land_max_acc");
	RNA_def_property_range(prop, 0.0, 1.0);
	RNA_def_property_ui_text(prop, "Max Land Acceleration",
	                         "Maximum acceleration on land (relative to maximum speed)");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "land_ave_max", PROP_FLOAT, PROP_NONE);
	RNA_def_property_float_sdna(prop, NULL, "land_max_ave");
	RNA_def_property_range(prop, 0.0, 1.0);
	RNA_def_property_ui_text(prop, "Max Land Angular Velocity",
	                         "Maximum angular velocity on land (relative to 180 degrees)");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "land_personal_space", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 10.0);
	RNA_def_property_ui_text(prop, "Land Personal Space",
	                         "Radius of boids personal space on land (% of particle size)");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "land_stick_force", PROP_FLOAT, PROP_NONE);
	RNA_def_property_range(prop, 0.0, 1000.0);
	RNA_def_property_ui_text(prop, "Land Stick Force", "How strong a force must be to start effecting a boid on land");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	/* options */
	prop = RNA_def_property(srna, "use_flight", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "options", BOID_ALLOW_FLIGHT);
	RNA_def_property_ui_text(prop, "Allow Flight", "Allow boids to move in air");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "use_land", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "options", BOID_ALLOW_LAND);
	RNA_def_property_ui_text(prop, "Allow Land", "Allow boids to move on land");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");

	prop = RNA_def_property(srna, "use_climb", PROP_BOOLEAN, PROP_NONE);
	RNA_def_property_boolean_sdna(prop, NULL, "options", BOID_ALLOW_CLIMB);
	RNA_def_property_ui_text(prop, "Allow Climbing", "Allow boids to climb goal objects");
	RNA_def_property_update(prop, 0, "rna_Boids_reset");
}

void RNA_def_boid(BlenderRNA *brna)
{
	rna_def_boidrule(brna);
	rna_def_boidstate(brna);
	rna_def_boid_settings(brna);
}

#endif