summaryrefslogtreecommitdiff
path: root/servers/physics_2d/godot_area_2d.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'servers/physics_2d/godot_area_2d.cpp')
-rw-r--r--servers/physics_2d/godot_area_2d.cpp305
1 files changed, 305 insertions, 0 deletions
diff --git a/servers/physics_2d/godot_area_2d.cpp b/servers/physics_2d/godot_area_2d.cpp
new file mode 100644
index 0000000000..7cb202dd1f
--- /dev/null
+++ b/servers/physics_2d/godot_area_2d.cpp
@@ -0,0 +1,305 @@
+/*************************************************************************/
+/* godot_area_2d.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 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 "godot_area_2d.h"
+#include "godot_body_2d.h"
+#include "godot_space_2d.h"
+
+GodotArea2D::BodyKey::BodyKey(GodotBody2D *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;
+}
+
+GodotArea2D::BodyKey::BodyKey(GodotArea2D *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 GodotArea2D::_shapes_changed() {
+ if (!moved_list.in_list() && get_space()) {
+ get_space()->area_add_to_moved_list(&moved_list);
+ }
+}
+
+void GodotArea2D::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 GodotArea2D::set_space(GodotSpace2D *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 GodotArea2D::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 GodotArea2D::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 GodotArea2D::set_space_override_mode(PhysicsServer2D::AreaSpaceOverrideMode p_mode) {
+ bool do_override = p_mode != PhysicsServer2D::AREA_SPACE_OVERRIDE_DISABLED;
+ if (do_override == (space_override_mode != PhysicsServer2D::AREA_SPACE_OVERRIDE_DISABLED)) {
+ return;
+ }
+ _unregister_shapes();
+ space_override_mode = p_mode;
+ _shape_changed();
+}
+
+void GodotArea2D::set_param(PhysicsServer2D::AreaParameter p_param, const Variant &p_value) {
+ switch (p_param) {
+ case PhysicsServer2D::AREA_PARAM_GRAVITY:
+ gravity = p_value;
+ break;
+ case PhysicsServer2D::AREA_PARAM_GRAVITY_VECTOR:
+ gravity_vector = p_value;
+ break;
+ case PhysicsServer2D::AREA_PARAM_GRAVITY_IS_POINT:
+ gravity_is_point = p_value;
+ break;
+ case PhysicsServer2D::AREA_PARAM_GRAVITY_DISTANCE_SCALE:
+ gravity_distance_scale = p_value;
+ break;
+ case PhysicsServer2D::AREA_PARAM_GRAVITY_POINT_ATTENUATION:
+ point_attenuation = p_value;
+ break;
+ case PhysicsServer2D::AREA_PARAM_LINEAR_DAMP:
+ linear_damp = p_value;
+ break;
+ case PhysicsServer2D::AREA_PARAM_ANGULAR_DAMP:
+ angular_damp = p_value;
+ break;
+ case PhysicsServer2D::AREA_PARAM_PRIORITY:
+ priority = p_value;
+ break;
+ }
+}
+
+Variant GodotArea2D::get_param(PhysicsServer2D::AreaParameter p_param) const {
+ switch (p_param) {
+ case PhysicsServer2D::AREA_PARAM_GRAVITY:
+ return gravity;
+ case PhysicsServer2D::AREA_PARAM_GRAVITY_VECTOR:
+ return gravity_vector;
+ case PhysicsServer2D::AREA_PARAM_GRAVITY_IS_POINT:
+ return gravity_is_point;
+ case PhysicsServer2D::AREA_PARAM_GRAVITY_DISTANCE_SCALE:
+ return gravity_distance_scale;
+ case PhysicsServer2D::AREA_PARAM_GRAVITY_POINT_ATTENUATION:
+ return point_attenuation;
+ case PhysicsServer2D::AREA_PARAM_LINEAR_DAMP:
+ return linear_damp;
+ case PhysicsServer2D::AREA_PARAM_ANGULAR_DAMP:
+ return angular_damp;
+ case PhysicsServer2D::AREA_PARAM_PRIORITY:
+ return priority;
+ }
+
+ return Variant();
+}
+
+void GodotArea2D::_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 GodotArea2D::set_monitorable(bool p_monitorable) {
+ if (monitorable == p_monitorable) {
+ return;
+ }
+
+ monitorable = p_monitorable;
+ _set_static(!monitorable);
+}
+
+void GodotArea2D::call_queries() {
+ if (monitor_callback_id.is_valid() && !monitored_bodies.is_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 = ObjectID();
+ return;
+ }
+
+ for (Map<BodyKey, BodyState>::Element *E = monitored_bodies.front(); E;) {
+ if (E->get().state == 0) { // Nothing happened
+ Map<BodyKey, BodyState>::Element *next = E->next();
+ monitored_bodies.erase(E);
+ E = next;
+ continue;
+ }
+
+ res[0] = E->get().state > 0 ? PhysicsServer2D::AREA_BODY_ADDED : PhysicsServer2D::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;
+
+ Map<BodyKey, BodyState>::Element *next = E->next();
+ monitored_bodies.erase(E);
+ E = next;
+
+ Callable::CallError ce;
+ obj->call(monitor_callback_method, (const Variant **)resptr, 5, ce);
+ }
+ }
+
+ if (area_monitor_callback_id.is_valid() && !monitored_areas.is_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 = ObjectID();
+ return;
+ }
+
+ for (Map<BodyKey, BodyState>::Element *E = monitored_areas.front(); E;) {
+ if (E->get().state == 0) { // Nothing happened
+ Map<BodyKey, BodyState>::Element *next = E->next();
+ monitored_areas.erase(E);
+ E = next;
+ continue;
+ }
+
+ res[0] = E->get().state > 0 ? PhysicsServer2D::AREA_BODY_ADDED : PhysicsServer2D::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;
+
+ Map<BodyKey, BodyState>::Element *next = E->next();
+ monitored_areas.erase(E);
+ E = next;
+
+ Callable::CallError ce;
+ obj->call(area_monitor_callback_method, (const Variant **)resptr, 5, ce);
+ }
+ }
+}
+
+void GodotArea2D::compute_gravity(const Vector2 &p_position, Vector2 &r_gravity) const {
+ if (is_gravity_point()) {
+ const real_t gravity_distance_scale = get_gravity_distance_scale();
+ Vector2 v = get_transform().xform(get_gravity_vector()) - p_position;
+ if (gravity_distance_scale > 0) {
+ const real_t v_length = v.length();
+ if (v_length > 0) {
+ const real_t v_scaled = v_length * gravity_distance_scale;
+ r_gravity = (v.normalized() * (get_gravity() / (v_scaled * v_scaled)));
+ } else {
+ r_gravity = Vector2();
+ }
+ } else {
+ r_gravity = v.normalized() * get_gravity();
+ }
+ } else {
+ r_gravity = get_gravity_vector() * get_gravity();
+ }
+}
+
+GodotArea2D::GodotArea2D() :
+ GodotCollisionObject2D(TYPE_AREA),
+ monitor_query_list(this),
+ moved_list(this) {
+ _set_static(true); //areas are not active by default
+}
+
+GodotArea2D::~GodotArea2D() {
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 01:38:52 +0000