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Diffstat (limited to 'servers/physics/step_sw.cpp')
-rw-r--r-- | servers/physics/step_sw.cpp | 299 |
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; -} |