505 lines
19 KiB
C++
505 lines
19 KiB
C++
/**************************************************************************/
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/* collision_object_2d.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "collision_object_2d.h"
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#include "scene/scene_string_names.h"
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#include "servers/physics_2d_server.h"
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void CollisionObject2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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Transform2D global_transform = get_global_transform();
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if (area) {
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Physics2DServer::get_singleton()->area_set_transform(rid, global_transform);
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} else {
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Physics2DServer::get_singleton()->body_set_state(rid, Physics2DServer::BODY_STATE_TRANSFORM, global_transform);
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}
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Ref<World2D> world_ref = get_world_2d();
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ERR_FAIL_COND(!world_ref.is_valid());
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RID space = world_ref->get_space();
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if (area) {
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Physics2DServer::get_singleton()->area_set_space(rid, space);
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} else {
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Physics2DServer::get_singleton()->body_set_space(rid, space);
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}
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_update_pickable();
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//get space
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} break;
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case NOTIFICATION_ENTER_CANVAS: {
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if (area) {
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Physics2DServer::get_singleton()->area_attach_canvas_instance_id(rid, get_canvas_layer_instance_id());
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} else {
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Physics2DServer::get_singleton()->body_attach_canvas_instance_id(rid, get_canvas_layer_instance_id());
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}
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} break;
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case NOTIFICATION_VISIBILITY_CHANGED: {
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_update_pickable();
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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if (only_update_transform_changes) {
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return;
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}
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Transform2D global_transform = get_global_transform();
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if (area) {
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Physics2DServer::get_singleton()->area_set_transform(rid, global_transform);
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} else {
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Physics2DServer::get_singleton()->body_set_state(rid, Physics2DServer::BODY_STATE_TRANSFORM, global_transform);
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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if (area) {
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Physics2DServer::get_singleton()->area_set_space(rid, RID());
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} else {
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Physics2DServer::get_singleton()->body_set_space(rid, RID());
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}
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} break;
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case NOTIFICATION_EXIT_CANVAS: {
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if (area) {
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Physics2DServer::get_singleton()->area_attach_canvas_instance_id(rid, 0);
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} else {
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Physics2DServer::get_singleton()->body_attach_canvas_instance_id(rid, 0);
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}
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} break;
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}
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}
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void CollisionObject2D::set_collision_layer(uint32_t p_layer) {
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collision_layer = p_layer;
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if (area) {
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Physics2DServer::get_singleton()->area_set_collision_layer(get_rid(), p_layer);
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} else {
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Physics2DServer::get_singleton()->body_set_collision_layer(get_rid(), p_layer);
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}
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}
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uint32_t CollisionObject2D::get_collision_layer() const {
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return collision_layer;
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}
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void CollisionObject2D::set_collision_mask(uint32_t p_mask) {
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collision_mask = p_mask;
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if (area) {
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Physics2DServer::get_singleton()->area_set_collision_mask(get_rid(), p_mask);
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} else {
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Physics2DServer::get_singleton()->body_set_collision_mask(get_rid(), p_mask);
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}
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}
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uint32_t CollisionObject2D::get_collision_mask() const {
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return collision_mask;
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}
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void CollisionObject2D::set_collision_layer_bit(int p_bit, bool p_value) {
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ERR_FAIL_INDEX_MSG(p_bit, 32, "Collision layer bit must be between 0 and 31 inclusive.");
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uint32_t collision_layer = get_collision_layer();
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if (p_value) {
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collision_layer |= 1 << p_bit;
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} else {
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collision_layer &= ~(1 << p_bit);
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}
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set_collision_layer(collision_layer);
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}
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bool CollisionObject2D::get_collision_layer_bit(int p_bit) const {
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ERR_FAIL_INDEX_V_MSG(p_bit, 32, false, "Collision layer bit must be between 0 and 31 inclusive.");
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return get_collision_layer() & (1 << p_bit);
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}
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void CollisionObject2D::set_collision_mask_bit(int p_bit, bool p_value) {
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ERR_FAIL_INDEX_MSG(p_bit, 32, "Collision mask bit must be between 0 and 31 inclusive.");
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uint32_t mask = get_collision_mask();
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if (p_value) {
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mask |= 1 << p_bit;
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} else {
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mask &= ~(1 << p_bit);
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}
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set_collision_mask(mask);
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}
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bool CollisionObject2D::get_collision_mask_bit(int p_bit) const {
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ERR_FAIL_INDEX_V_MSG(p_bit, 32, false, "Collision mask bit must be between 0 and 31 inclusive.");
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return get_collision_mask() & (1 << p_bit);
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}
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uint32_t CollisionObject2D::create_shape_owner(Object *p_owner) {
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ShapeData sd;
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uint32_t id;
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if (shapes.size() == 0) {
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id = 0;
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} else {
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id = shapes.back()->key() + 1;
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}
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sd.owner_id = p_owner ? p_owner->get_instance_id() : 0;
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shapes[id] = sd;
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return id;
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}
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void CollisionObject2D::remove_shape_owner(uint32_t owner) {
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ERR_FAIL_COND(!shapes.has(owner));
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shape_owner_clear_shapes(owner);
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shapes.erase(owner);
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}
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void CollisionObject2D::shape_owner_set_disabled(uint32_t p_owner, bool p_disabled) {
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ERR_FAIL_COND(!shapes.has(p_owner));
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ShapeData &sd = shapes[p_owner];
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sd.disabled = p_disabled;
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for (int i = 0; i < sd.shapes.size(); i++) {
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if (area) {
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Physics2DServer::get_singleton()->area_set_shape_disabled(rid, sd.shapes[i].index, p_disabled);
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} else {
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Physics2DServer::get_singleton()->body_set_shape_disabled(rid, sd.shapes[i].index, p_disabled);
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}
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}
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}
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bool CollisionObject2D::is_shape_owner_disabled(uint32_t p_owner) const {
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ERR_FAIL_COND_V(!shapes.has(p_owner), false);
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return shapes[p_owner].disabled;
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}
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void CollisionObject2D::shape_owner_set_one_way_collision(uint32_t p_owner, bool p_enable) {
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if (area) {
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return; //not for areas
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}
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ERR_FAIL_COND(!shapes.has(p_owner));
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ShapeData &sd = shapes[p_owner];
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sd.one_way_collision = p_enable;
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for (int i = 0; i < sd.shapes.size(); i++) {
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Physics2DServer::get_singleton()->body_set_shape_as_one_way_collision(rid, sd.shapes[i].index, sd.one_way_collision, sd.one_way_collision_margin);
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}
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}
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bool CollisionObject2D::is_shape_owner_one_way_collision_enabled(uint32_t p_owner) const {
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ERR_FAIL_COND_V(!shapes.has(p_owner), false);
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return shapes[p_owner].one_way_collision;
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}
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void CollisionObject2D::shape_owner_set_one_way_collision_margin(uint32_t p_owner, float p_margin) {
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if (area) {
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return; //not for areas
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}
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ERR_FAIL_COND(!shapes.has(p_owner));
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ShapeData &sd = shapes[p_owner];
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sd.one_way_collision_margin = p_margin;
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for (int i = 0; i < sd.shapes.size(); i++) {
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Physics2DServer::get_singleton()->body_set_shape_as_one_way_collision(rid, sd.shapes[i].index, sd.one_way_collision, sd.one_way_collision_margin);
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}
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}
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float CollisionObject2D::get_shape_owner_one_way_collision_margin(uint32_t p_owner) const {
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ERR_FAIL_COND_V(!shapes.has(p_owner), 0);
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return shapes[p_owner].one_way_collision_margin;
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}
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void CollisionObject2D::get_shape_owners(List<uint32_t> *r_owners) {
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for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
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r_owners->push_back(E->key());
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}
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}
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Array CollisionObject2D::_get_shape_owners() {
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Array ret;
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for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
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ret.push_back(E->key());
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}
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return ret;
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}
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void CollisionObject2D::shape_owner_set_transform(uint32_t p_owner, const Transform2D &p_transform) {
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ERR_FAIL_COND(!shapes.has(p_owner));
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ShapeData &sd = shapes[p_owner];
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sd.xform = p_transform;
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for (int i = 0; i < sd.shapes.size(); i++) {
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if (area) {
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Physics2DServer::get_singleton()->area_set_shape_transform(rid, sd.shapes[i].index, sd.xform);
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} else {
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Physics2DServer::get_singleton()->body_set_shape_transform(rid, sd.shapes[i].index, sd.xform);
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}
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}
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}
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Transform2D CollisionObject2D::shape_owner_get_transform(uint32_t p_owner) const {
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ERR_FAIL_COND_V(!shapes.has(p_owner), Transform2D());
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return shapes[p_owner].xform;
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}
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Object *CollisionObject2D::shape_owner_get_owner(uint32_t p_owner) const {
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ERR_FAIL_COND_V(!shapes.has(p_owner), nullptr);
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return ObjectDB::get_instance(shapes[p_owner].owner_id);
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}
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void CollisionObject2D::shape_owner_add_shape(uint32_t p_owner, const Ref<Shape2D> &p_shape) {
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ERR_FAIL_COND(!shapes.has(p_owner));
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ERR_FAIL_COND(p_shape.is_null());
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ShapeData &sd = shapes[p_owner];
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ShapeData::Shape s;
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s.index = total_subshapes;
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s.shape = p_shape;
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if (area) {
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Physics2DServer::get_singleton()->area_add_shape(rid, p_shape->get_rid(), sd.xform, sd.disabled);
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} else {
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Physics2DServer::get_singleton()->body_add_shape(rid, p_shape->get_rid(), sd.xform, sd.disabled);
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}
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sd.shapes.push_back(s);
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total_subshapes++;
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}
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int CollisionObject2D::shape_owner_get_shape_count(uint32_t p_owner) const {
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ERR_FAIL_COND_V(!shapes.has(p_owner), 0);
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return shapes[p_owner].shapes.size();
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}
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Ref<Shape2D> CollisionObject2D::shape_owner_get_shape(uint32_t p_owner, int p_shape) const {
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ERR_FAIL_COND_V(!shapes.has(p_owner), Ref<Shape2D>());
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ERR_FAIL_INDEX_V(p_shape, shapes[p_owner].shapes.size(), Ref<Shape2D>());
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return shapes[p_owner].shapes[p_shape].shape;
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}
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int CollisionObject2D::shape_owner_get_shape_index(uint32_t p_owner, int p_shape) const {
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ERR_FAIL_COND_V(!shapes.has(p_owner), -1);
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ERR_FAIL_INDEX_V(p_shape, shapes[p_owner].shapes.size(), -1);
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return shapes[p_owner].shapes[p_shape].index;
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}
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void CollisionObject2D::shape_owner_remove_shape(uint32_t p_owner, int p_shape) {
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ERR_FAIL_COND(!shapes.has(p_owner));
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ERR_FAIL_INDEX(p_shape, shapes[p_owner].shapes.size());
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int index_to_remove = shapes[p_owner].shapes[p_shape].index;
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if (area) {
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Physics2DServer::get_singleton()->area_remove_shape(rid, index_to_remove);
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} else {
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Physics2DServer::get_singleton()->body_remove_shape(rid, index_to_remove);
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}
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shapes[p_owner].shapes.remove(p_shape);
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for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
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for (int i = 0; i < E->get().shapes.size(); i++) {
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if (E->get().shapes[i].index > index_to_remove) {
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E->get().shapes.write[i].index -= 1;
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}
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}
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}
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total_subshapes--;
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}
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void CollisionObject2D::shape_owner_clear_shapes(uint32_t p_owner) {
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ERR_FAIL_COND(!shapes.has(p_owner));
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while (shape_owner_get_shape_count(p_owner) > 0) {
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shape_owner_remove_shape(p_owner, 0);
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}
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}
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uint32_t CollisionObject2D::shape_find_owner(int p_shape_index) const {
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ERR_FAIL_INDEX_V(p_shape_index, total_subshapes, UINT32_MAX);
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for (const Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
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for (int i = 0; i < E->get().shapes.size(); i++) {
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if (E->get().shapes[i].index == p_shape_index) {
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return E->key();
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}
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}
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}
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//in theory it should be unreachable
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ERR_FAIL_V_MSG(UINT32_MAX, "Can't find owner for shape index " + itos(p_shape_index) + ".");
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}
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void CollisionObject2D::set_pickable(bool p_enabled) {
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if (pickable == p_enabled) {
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return;
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}
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pickable = p_enabled;
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_update_pickable();
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}
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bool CollisionObject2D::is_pickable() const {
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return pickable;
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}
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void CollisionObject2D::_input_event(Node *p_viewport, const Ref<InputEvent> &p_input_event, int p_shape) {
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if (get_script_instance()) {
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get_script_instance()->call(SceneStringNames::get_singleton()->_input_event, p_viewport, p_input_event, p_shape);
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}
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emit_signal(SceneStringNames::get_singleton()->input_event, p_viewport, p_input_event, p_shape);
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}
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void CollisionObject2D::_mouse_enter() {
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if (get_script_instance()) {
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get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_enter);
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}
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emit_signal(SceneStringNames::get_singleton()->mouse_entered);
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}
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void CollisionObject2D::_mouse_exit() {
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if (get_script_instance()) {
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get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_exit);
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}
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emit_signal(SceneStringNames::get_singleton()->mouse_exited);
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}
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void CollisionObject2D::set_only_update_transform_changes(bool p_enable) {
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only_update_transform_changes = p_enable;
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}
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void CollisionObject2D::_update_pickable() {
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if (!is_inside_tree()) {
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return;
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}
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bool is_pickable = pickable && is_visible_in_tree();
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if (area) {
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Physics2DServer::get_singleton()->area_set_pickable(rid, is_pickable);
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} else {
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Physics2DServer::get_singleton()->body_set_pickable(rid, is_pickable);
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}
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}
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String CollisionObject2D::get_configuration_warning() const {
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String warning = Node2D::get_configuration_warning();
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if (shapes.empty()) {
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if (!warning.empty()) {
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warning += "\n\n";
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}
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warning += TTR("This node has no shape, so it can't collide or interact with other objects.\nConsider adding a CollisionShape2D or CollisionPolygon2D as a child to define its shape.");
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}
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return warning;
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}
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void CollisionObject2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_rid"), &CollisionObject2D::get_rid);
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ClassDB::bind_method(D_METHOD("set_collision_layer", "layer"), &CollisionObject2D::set_collision_layer);
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ClassDB::bind_method(D_METHOD("get_collision_layer"), &CollisionObject2D::get_collision_layer);
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ClassDB::bind_method(D_METHOD("set_collision_mask", "mask"), &CollisionObject2D::set_collision_mask);
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ClassDB::bind_method(D_METHOD("get_collision_mask"), &CollisionObject2D::get_collision_mask);
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ClassDB::bind_method(D_METHOD("set_collision_layer_bit", "bit", "value"), &CollisionObject2D::set_collision_layer_bit);
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ClassDB::bind_method(D_METHOD("get_collision_layer_bit", "bit"), &CollisionObject2D::get_collision_layer_bit);
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ClassDB::bind_method(D_METHOD("set_collision_mask_bit", "bit", "value"), &CollisionObject2D::set_collision_mask_bit);
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ClassDB::bind_method(D_METHOD("get_collision_mask_bit", "bit"), &CollisionObject2D::get_collision_mask_bit);
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ClassDB::bind_method(D_METHOD("set_pickable", "enabled"), &CollisionObject2D::set_pickable);
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ClassDB::bind_method(D_METHOD("is_pickable"), &CollisionObject2D::is_pickable);
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ClassDB::bind_method(D_METHOD("create_shape_owner", "owner"), &CollisionObject2D::create_shape_owner);
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ClassDB::bind_method(D_METHOD("remove_shape_owner", "owner_id"), &CollisionObject2D::remove_shape_owner);
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ClassDB::bind_method(D_METHOD("get_shape_owners"), &CollisionObject2D::_get_shape_owners);
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ClassDB::bind_method(D_METHOD("shape_owner_set_transform", "owner_id", "transform"), &CollisionObject2D::shape_owner_set_transform);
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ClassDB::bind_method(D_METHOD("shape_owner_get_transform", "owner_id"), &CollisionObject2D::shape_owner_get_transform);
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ClassDB::bind_method(D_METHOD("shape_owner_get_owner", "owner_id"), &CollisionObject2D::shape_owner_get_owner);
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ClassDB::bind_method(D_METHOD("shape_owner_set_disabled", "owner_id", "disabled"), &CollisionObject2D::shape_owner_set_disabled);
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ClassDB::bind_method(D_METHOD("is_shape_owner_disabled", "owner_id"), &CollisionObject2D::is_shape_owner_disabled);
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ClassDB::bind_method(D_METHOD("shape_owner_set_one_way_collision", "owner_id", "enable"), &CollisionObject2D::shape_owner_set_one_way_collision);
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ClassDB::bind_method(D_METHOD("is_shape_owner_one_way_collision_enabled", "owner_id"), &CollisionObject2D::is_shape_owner_one_way_collision_enabled);
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ClassDB::bind_method(D_METHOD("shape_owner_set_one_way_collision_margin", "owner_id", "margin"), &CollisionObject2D::shape_owner_set_one_way_collision_margin);
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ClassDB::bind_method(D_METHOD("get_shape_owner_one_way_collision_margin", "owner_id"), &CollisionObject2D::get_shape_owner_one_way_collision_margin);
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ClassDB::bind_method(D_METHOD("shape_owner_add_shape", "owner_id", "shape"), &CollisionObject2D::shape_owner_add_shape);
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ClassDB::bind_method(D_METHOD("shape_owner_get_shape_count", "owner_id"), &CollisionObject2D::shape_owner_get_shape_count);
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ClassDB::bind_method(D_METHOD("shape_owner_get_shape", "owner_id", "shape_id"), &CollisionObject2D::shape_owner_get_shape);
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ClassDB::bind_method(D_METHOD("shape_owner_get_shape_index", "owner_id", "shape_id"), &CollisionObject2D::shape_owner_get_shape_index);
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ClassDB::bind_method(D_METHOD("shape_owner_remove_shape", "owner_id", "shape_id"), &CollisionObject2D::shape_owner_remove_shape);
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ClassDB::bind_method(D_METHOD("shape_owner_clear_shapes", "owner_id"), &CollisionObject2D::shape_owner_clear_shapes);
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ClassDB::bind_method(D_METHOD("shape_find_owner", "shape_index"), &CollisionObject2D::shape_find_owner);
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BIND_VMETHOD(MethodInfo("_input_event", PropertyInfo(Variant::OBJECT, "viewport"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::INT, "shape_idx")));
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ADD_SIGNAL(MethodInfo("input_event", PropertyInfo(Variant::OBJECT, "viewport", PROPERTY_HINT_RESOURCE_TYPE, "Node"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::INT, "shape_idx")));
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ADD_SIGNAL(MethodInfo("mouse_entered"));
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ADD_SIGNAL(MethodInfo("mouse_exited"));
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ADD_GROUP("Collision", "collision_");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_layer", PROPERTY_HINT_LAYERS_2D_PHYSICS), "set_collision_layer", "get_collision_layer");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_2D_PHYSICS), "set_collision_mask", "get_collision_mask");
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ADD_GROUP("Input", "input_");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "input_pickable"), "set_pickable", "is_pickable");
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}
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CollisionObject2D::CollisionObject2D(RID p_rid, bool p_area) {
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rid = p_rid;
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area = p_area;
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pickable = true;
|
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set_notify_transform(true);
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total_subshapes = 0;
|
|
only_update_transform_changes = false;
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|
|
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if (p_area) {
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Physics2DServer::get_singleton()->area_attach_object_instance_id(rid, get_instance_id());
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} else {
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Physics2DServer::get_singleton()->body_attach_object_instance_id(rid, get_instance_id());
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}
|
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}
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CollisionObject2D::CollisionObject2D() {
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//owner=
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set_notify_transform(true);
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}
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CollisionObject2D::~CollisionObject2D() {
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Physics2DServer::get_singleton()->free(rid);
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}
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