godot/servers/physics_2d/area_2d_sw.cpp
2017-04-08 00:11:42 +02:00

262 lines
8.5 KiB
C++

/*************************************************************************/
/* area_2d_sw.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "area_2d_sw.h"
#include "body_2d_sw.h"
#include "space_2d_sw.h"
Area2DSW::BodyKey::BodyKey(Body2DSW *p_body, uint32_t p_body_shape, uint32_t p_area_shape) {
rid = p_body->get_self();
instance_id = p_body->get_instance_id();
body_shape = p_body_shape;
area_shape = p_area_shape;
}
Area2DSW::BodyKey::BodyKey(Area2DSW *p_body, uint32_t p_body_shape, uint32_t p_area_shape) {
rid = p_body->get_self();
instance_id = p_body->get_instance_id();
body_shape = p_body_shape;
area_shape = p_area_shape;
}
void Area2DSW::_shapes_changed() {
}
void Area2DSW::set_transform(const Transform2D &p_transform) {
if (!moved_list.in_list() && get_space())
get_space()->area_add_to_moved_list(&moved_list);
_set_transform(p_transform);
_set_inv_transform(p_transform.affine_inverse());
}
void Area2DSW::set_space(Space2DSW *p_space) {
if (get_space()) {
if (monitor_query_list.in_list())
get_space()->area_remove_from_monitor_query_list(&monitor_query_list);
if (moved_list.in_list())
get_space()->area_remove_from_moved_list(&moved_list);
}
monitored_bodies.clear();
monitored_areas.clear();
_set_space(p_space);
}
void Area2DSW::set_monitor_callback(ObjectID p_id, const StringName &p_method) {
if (p_id == monitor_callback_id) {
monitor_callback_method = p_method;
return;
}
_unregister_shapes();
monitor_callback_id = p_id;
monitor_callback_method = p_method;
monitored_bodies.clear();
monitored_areas.clear();
_shape_changed();
if (!moved_list.in_list() && get_space())
get_space()->area_add_to_moved_list(&moved_list);
}
void Area2DSW::set_area_monitor_callback(ObjectID p_id, const StringName &p_method) {
if (p_id == area_monitor_callback_id) {
area_monitor_callback_method = p_method;
return;
}
_unregister_shapes();
area_monitor_callback_id = p_id;
area_monitor_callback_method = p_method;
monitored_bodies.clear();
monitored_areas.clear();
_shape_changed();
if (!moved_list.in_list() && get_space())
get_space()->area_add_to_moved_list(&moved_list);
}
void Area2DSW::set_space_override_mode(Physics2DServer::AreaSpaceOverrideMode p_mode) {
bool do_override = p_mode != Physics2DServer::AREA_SPACE_OVERRIDE_DISABLED;
if (do_override == (space_override_mode != Physics2DServer::AREA_SPACE_OVERRIDE_DISABLED))
return;
_unregister_shapes();
space_override_mode = p_mode;
_shape_changed();
}
void Area2DSW::set_param(Physics2DServer::AreaParameter p_param, const Variant &p_value) {
switch (p_param) {
case Physics2DServer::AREA_PARAM_GRAVITY: gravity = p_value; break;
case Physics2DServer::AREA_PARAM_GRAVITY_VECTOR: gravity_vector = p_value; break;
case Physics2DServer::AREA_PARAM_GRAVITY_IS_POINT: gravity_is_point = p_value; break;
case Physics2DServer::AREA_PARAM_GRAVITY_DISTANCE_SCALE: gravity_distance_scale = p_value; break;
case Physics2DServer::AREA_PARAM_GRAVITY_POINT_ATTENUATION: point_attenuation = p_value; break;
case Physics2DServer::AREA_PARAM_LINEAR_DAMP: linear_damp = p_value; break;
case Physics2DServer::AREA_PARAM_ANGULAR_DAMP: angular_damp = p_value; break;
case Physics2DServer::AREA_PARAM_PRIORITY: priority = p_value; break;
}
}
Variant Area2DSW::get_param(Physics2DServer::AreaParameter p_param) const {
switch (p_param) {
case Physics2DServer::AREA_PARAM_GRAVITY: return gravity;
case Physics2DServer::AREA_PARAM_GRAVITY_VECTOR: return gravity_vector;
case Physics2DServer::AREA_PARAM_GRAVITY_IS_POINT: return gravity_is_point;
case Physics2DServer::AREA_PARAM_GRAVITY_DISTANCE_SCALE: return gravity_distance_scale;
case Physics2DServer::AREA_PARAM_GRAVITY_POINT_ATTENUATION: return point_attenuation;
case Physics2DServer::AREA_PARAM_LINEAR_DAMP: return linear_damp;
case Physics2DServer::AREA_PARAM_ANGULAR_DAMP: return angular_damp;
case Physics2DServer::AREA_PARAM_PRIORITY: return priority;
}
return Variant();
}
void Area2DSW::_queue_monitor_update() {
ERR_FAIL_COND(!get_space());
if (!monitor_query_list.in_list())
get_space()->area_add_to_monitor_query_list(&monitor_query_list);
}
void Area2DSW::set_monitorable(bool p_monitorable) {
if (monitorable == p_monitorable)
return;
monitorable = p_monitorable;
_set_static(!monitorable);
}
void Area2DSW::call_queries() {
if (monitor_callback_id && !monitored_bodies.empty()) {
Variant res[5];
Variant *resptr[5];
for (int i = 0; i < 5; i++)
resptr[i] = &res[i];
Object *obj = ObjectDB::get_instance(monitor_callback_id);
if (!obj) {
monitored_bodies.clear();
monitor_callback_id = 0;
return;
}
for (Map<BodyKey, BodyState>::Element *E = monitored_bodies.front(); E; E = E->next()) {
if (E->get().state == 0)
continue; //nothing happened
res[0] = E->get().state > 0 ? Physics2DServer::AREA_BODY_ADDED : Physics2DServer::AREA_BODY_REMOVED;
res[1] = E->key().rid;
res[2] = E->key().instance_id;
res[3] = E->key().body_shape;
res[4] = E->key().area_shape;
Variant::CallError ce;
obj->call(monitor_callback_method, (const Variant **)resptr, 5, ce);
}
}
monitored_bodies.clear();
if (area_monitor_callback_id && !monitored_areas.empty()) {
Variant res[5];
Variant *resptr[5];
for (int i = 0; i < 5; i++)
resptr[i] = &res[i];
Object *obj = ObjectDB::get_instance(area_monitor_callback_id);
if (!obj) {
monitored_areas.clear();
area_monitor_callback_id = 0;
return;
}
for (Map<BodyKey, BodyState>::Element *E = monitored_areas.front(); E; E = E->next()) {
if (E->get().state == 0)
continue; //nothing happened
res[0] = E->get().state > 0 ? Physics2DServer::AREA_BODY_ADDED : Physics2DServer::AREA_BODY_REMOVED;
res[1] = E->key().rid;
res[2] = E->key().instance_id;
res[3] = E->key().body_shape;
res[4] = E->key().area_shape;
Variant::CallError ce;
obj->call(area_monitor_callback_method, (const Variant **)resptr, 5, ce);
}
}
monitored_areas.clear();
//get_space()->area_remove_from_monitor_query_list(&monitor_query_list);
}
Area2DSW::Area2DSW()
: CollisionObject2DSW(TYPE_AREA), monitor_query_list(this), moved_list(this) {
_set_static(true); //areas are not active by default
space_override_mode = Physics2DServer::AREA_SPACE_OVERRIDE_DISABLED;
gravity = 9.80665;
gravity_vector = Vector2(0, -1);
gravity_is_point = false;
gravity_distance_scale = 0;
point_attenuation = 1;
angular_damp = 1.0;
linear_damp = 0.1;
priority = 0;
monitor_callback_id = 0;
area_monitor_callback_id = 0;
monitorable = false;
}
Area2DSW::~Area2DSW() {
}