summaryrefslogtreecommitdiff
path: root/servers/physics/step_sw.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'servers/physics/step_sw.cpp')
-rw-r--r--servers/physics/step_sw.cpp299
1 files changed, 0 insertions, 299 deletions
diff --git a/servers/physics/step_sw.cpp b/servers/physics/step_sw.cpp
deleted file mode 100644
index f4055ecff7..0000000000
--- a/servers/physics/step_sw.cpp
+++ /dev/null
@@ -1,299 +0,0 @@
-/*************************************************************************/
-/* step_sw.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 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 "step_sw.h"
-#include "joints_sw.h"
-
-#include "core/os/os.h"
-
-void StepSW::_populate_island(BodySW *p_body, BodySW **p_island, ConstraintSW **p_constraint_island) {
-
- p_body->set_island_step(_step);
- p_body->set_island_next(*p_island);
- *p_island = p_body;
-
- for (Map<ConstraintSW *, int>::Element *E = p_body->get_constraint_map().front(); E; E = E->next()) {
-
- ConstraintSW *c = (ConstraintSW *)E->key();
- if (c->get_island_step() == _step)
- continue; //already processed
- c->set_island_step(_step);
- c->set_island_next(*p_constraint_island);
- *p_constraint_island = c;
-
- for (int i = 0; i < c->get_body_count(); i++) {
- if (i == E->get())
- continue;
- BodySW *b = c->get_body_ptr()[i];
- if (b->get_island_step() == _step || b->get_mode() == PhysicsServer::BODY_MODE_STATIC || b->get_mode() == PhysicsServer::BODY_MODE_KINEMATIC)
- continue; //no go
- _populate_island(c->get_body_ptr()[i], p_island, p_constraint_island);
- }
- }
-}
-
-void StepSW::_setup_island(ConstraintSW *p_island, real_t p_delta) {
-
- ConstraintSW *ci = p_island;
- while (ci) {
- ci->setup(p_delta);
- //todo remove from island if process fails
- ci = ci->get_island_next();
- }
-}
-
-void StepSW::_solve_island(ConstraintSW *p_island, int p_iterations, real_t p_delta) {
-
- int at_priority = 1;
-
- while (p_island) {
-
- for (int i = 0; i < p_iterations; i++) {
-
- ConstraintSW *ci = p_island;
- while (ci) {
- ci->solve(p_delta);
- ci = ci->get_island_next();
- }
- }
-
- at_priority++;
-
- {
- ConstraintSW *ci = p_island;
- ConstraintSW *prev = NULL;
- while (ci) {
- if (ci->get_priority() < at_priority) {
- if (prev) {
- prev->set_island_next(ci->get_island_next()); //remove
- } else {
- p_island = ci->get_island_next();
- }
- } else {
-
- prev = ci;
- }
-
- ci = ci->get_island_next();
- }
- }
- }
-}
-
-void StepSW::_check_suspend(BodySW *p_island, real_t p_delta) {
-
- bool can_sleep = true;
-
- BodySW *b = p_island;
- while (b) {
-
- if (b->get_mode() == PhysicsServer::BODY_MODE_STATIC || b->get_mode() == PhysicsServer::BODY_MODE_KINEMATIC) {
- b = b->get_island_next();
- continue; //ignore for static
- }
-
- if (!b->sleep_test(p_delta))
- can_sleep = false;
-
- b = b->get_island_next();
- }
-
- //put all to sleep or wake up everyoen
-
- b = p_island;
- while (b) {
-
- if (b->get_mode() == PhysicsServer::BODY_MODE_STATIC || b->get_mode() == PhysicsServer::BODY_MODE_KINEMATIC) {
- b = b->get_island_next();
- continue; //ignore for static
- }
-
- bool active = b->is_active();
-
- if (active == can_sleep)
- b->set_active(!can_sleep);
-
- b = b->get_island_next();
- }
-}
-
-void StepSW::step(SpaceSW *p_space, real_t p_delta, int p_iterations) {
-
- p_space->lock(); // can't access space during this
-
- p_space->setup(); //update inertias, etc
-
- const SelfList<BodySW>::List *body_list = &p_space->get_active_body_list();
-
- /* INTEGRATE FORCES */
-
- uint64_t profile_begtime = OS::get_singleton()->get_ticks_usec();
- uint64_t profile_endtime = 0;
-
- int active_count = 0;
-
- const SelfList<BodySW> *b = body_list->first();
- while (b) {
-
- b->self()->integrate_forces(p_delta);
- b = b->next();
- active_count++;
- }
-
- p_space->set_active_objects(active_count);
-
- { //profile
- profile_endtime = OS::get_singleton()->get_ticks_usec();
- p_space->set_elapsed_time(SpaceSW::ELAPSED_TIME_INTEGRATE_FORCES, profile_endtime - profile_begtime);
- profile_begtime = profile_endtime;
- }
-
- /* GENERATE CONSTRAINT ISLANDS */
-
- BodySW *island_list = NULL;
- ConstraintSW *constraint_island_list = NULL;
- b = body_list->first();
-
- int island_count = 0;
-
- while (b) {
- BodySW *body = b->self();
-
- if (body->get_island_step() != _step) {
-
- BodySW *island = NULL;
- ConstraintSW *constraint_island = NULL;
- _populate_island(body, &island, &constraint_island);
-
- island->set_island_list_next(island_list);
- island_list = island;
-
- if (constraint_island) {
- constraint_island->set_island_list_next(constraint_island_list);
- constraint_island_list = constraint_island;
- island_count++;
- }
- }
- b = b->next();
- }
-
- p_space->set_island_count(island_count);
-
- const SelfList<AreaSW>::List &aml = p_space->get_moved_area_list();
-
- while (aml.first()) {
- for (const Set<ConstraintSW *>::Element *E = aml.first()->self()->get_constraints().front(); E; E = E->next()) {
-
- ConstraintSW *c = E->get();
- if (c->get_island_step() == _step)
- continue;
- c->set_island_step(_step);
- c->set_island_next(NULL);
- c->set_island_list_next(constraint_island_list);
- constraint_island_list = c;
- }
- p_space->area_remove_from_moved_list((SelfList<AreaSW> *)aml.first()); //faster to remove here
- }
-
- { //profile
- profile_endtime = OS::get_singleton()->get_ticks_usec();
- p_space->set_elapsed_time(SpaceSW::ELAPSED_TIME_GENERATE_ISLANDS, profile_endtime - profile_begtime);
- profile_begtime = profile_endtime;
- }
-
- /* SETUP CONSTRAINT ISLANDS */
-
- {
- ConstraintSW *ci = constraint_island_list;
- while (ci) {
-
- _setup_island(ci, p_delta);
- ci = ci->get_island_list_next();
- }
- }
-
- { //profile
- profile_endtime = OS::get_singleton()->get_ticks_usec();
- p_space->set_elapsed_time(SpaceSW::ELAPSED_TIME_SETUP_CONSTRAINTS, profile_endtime - profile_begtime);
- profile_begtime = profile_endtime;
- }
-
- /* SOLVE CONSTRAINT ISLANDS */
-
- {
- ConstraintSW *ci = constraint_island_list;
- while (ci) {
- //iterating each island separatedly improves cache efficiency
- _solve_island(ci, p_iterations, p_delta);
- ci = ci->get_island_list_next();
- }
- }
-
- { //profile
- profile_endtime = OS::get_singleton()->get_ticks_usec();
- p_space->set_elapsed_time(SpaceSW::ELAPSED_TIME_SOLVE_CONSTRAINTS, profile_endtime - profile_begtime);
- profile_begtime = profile_endtime;
- }
-
- /* INTEGRATE VELOCITIES */
-
- b = body_list->first();
- while (b) {
- const SelfList<BodySW> *n = b->next();
- b->self()->integrate_velocities(p_delta);
- b = n;
- }
-
- /* SLEEP / WAKE UP ISLANDS */
-
- {
- BodySW *bi = island_list;
- while (bi) {
-
- _check_suspend(bi, p_delta);
- bi = bi->get_island_list_next();
- }
- }
-
- { //profile
- profile_endtime = OS::get_singleton()->get_ticks_usec();
- p_space->set_elapsed_time(SpaceSW::ELAPSED_TIME_INTEGRATE_VELOCITIES, profile_endtime - profile_begtime);
- profile_begtime = profile_endtime;
- }
-
- p_space->update();
- p_space->unlock();
- _step++;
-}
-
-StepSW::StepSW() {
-
- _step = 1;
-}