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godot/servers/physics/area_pair_sw.cpp

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/*************************************************************************/
/* area_pair_sw.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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_pair_sw.h"
#include "collision_solver_sw.h"
bool AreaPairSW::setup(float p_step) {
bool result =
area_shape != -1 && body_shape != -1 &&
area->test_collision_mask(body) &&
CollisionSolverSW::solve_static(body->get_shape(body_shape), body->get_transform() * body->get_shape_transform(body_shape), area->get_shape(area_shape), area->get_transform() * area->get_shape_transform(area_shape), NULL, this);
if (result != colliding) {
if (result) {
if (area->get_space_override_mode() != PhysicsServer::AREA_SPACE_OVERRIDE_DISABLED)
body->add_area(area);
if (area->has_monitor_callback())
area->add_body_to_query(body, body_shape, area_shape);
} else {
if (area->get_space_override_mode() != PhysicsServer::AREA_SPACE_OVERRIDE_DISABLED)
body->remove_area(area);
if (area->has_monitor_callback())
area->remove_body_from_query(body, body_shape, area_shape);
}
colliding = result;
}
return false; //never do any post solving
}
void AreaPairSW::solve(float p_step) {
}
void AreaPairSW::shift_shape_indices(const CollisionObjectSW *p_object, int p_removed_index) {
if (p_object == body) {
if (body_shape == p_removed_index)
body_shape = -1;
else if (body_shape > p_removed_index)
body_shape--;
} else if (p_object == area) {
if (area_shape == p_removed_index)
area_shape = -1;
else if (area_shape > p_removed_index)
area_shape--;
}
}
AreaPairSW::AreaPairSW(BodySW *p_body, int p_body_shape, AreaSW *p_area, int p_area_shape) {
body = p_body;
area = p_area;
body_shape = p_body_shape;
area_shape = p_area_shape;
colliding = false;
body->add_constraint(this, 0);
area->add_constraint(this);
if (p_body->get_mode() == PhysicsServer::BODY_MODE_KINEMATIC)
p_body->set_active(true);
}
AreaPairSW::~AreaPairSW() {
if (colliding) {
if (area->get_space_override_mode() != PhysicsServer::AREA_SPACE_OVERRIDE_DISABLED)
body->remove_area(area);
if (area->has_monitor_callback())
area->remove_body_from_query(body, body_shape, area_shape);
}
body->remove_constraint(this);
area->remove_constraint(this);
}
////////////////////////////////////////////////////
bool Area2PairSW::setup(float p_step) {
bool result =
shape_a != -1 && shape_b != -1 &&
area_a->test_collision_mask(area_b) &&
CollisionSolverSW::solve_static(area_a->get_shape(shape_a), area_a->get_transform() * area_a->get_shape_transform(shape_a), area_b->get_shape(shape_b), area_b->get_transform() * area_b->get_shape_transform(shape_b), NULL, this);
if (result != colliding) {
if (result) {
if (area_b->has_area_monitor_callback() && area_a->is_monitorable())
area_b->add_area_to_query(area_a, shape_a, shape_b);
if (area_a->has_area_monitor_callback() && area_b->is_monitorable())
area_a->add_area_to_query(area_b, shape_b, shape_a);
} else {
if (area_b->has_area_monitor_callback() && area_a->is_monitorable())
area_b->remove_area_from_query(area_a, shape_a, shape_b);
if (area_a->has_area_monitor_callback() && area_b->is_monitorable())
area_a->remove_area_from_query(area_b, shape_b, shape_a);
}
colliding = result;
}
return false; //never do any post solving
}
void Area2PairSW::solve(float p_step) {
}
void Area2PairSW::shift_shape_indices(const CollisionObjectSW *p_object, int p_removed_index) {
if (p_object == area_a) {
if (shape_a == p_removed_index)
shape_a = -1;
else if (shape_a > p_removed_index)
shape_a--;
} else if (p_object == area_b) {
if (shape_b == p_removed_index)
shape_b = -1;
else if (shape_b > p_removed_index)
shape_b--;
}
}
Area2PairSW::Area2PairSW(AreaSW *p_area_a, int p_shape_a, AreaSW *p_area_b, int p_shape_b) {
area_a = p_area_a;
area_b = p_area_b;
shape_a = p_shape_a;
shape_b = p_shape_b;
colliding = false;
area_a->add_constraint(this);
area_b->add_constraint(this);
}
Area2PairSW::~Area2PairSW() {
if (colliding) {
if (area_b->has_area_monitor_callback() && area_a->is_monitorable())
area_b->remove_area_from_query(area_a, shape_a, shape_b);
if (area_a->has_area_monitor_callback() && area_b->is_monitorable())
area_a->remove_area_from_query(area_b, shape_b, shape_a);
}
area_a->remove_constraint(this);
area_b->remove_constraint(this);
}
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