169 lines
3.3 KiB
C++
169 lines
3.3 KiB
C++
#include "physics_2d_server_wrap_mt.h"
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#include "os/os.h"
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void Physics2DServerWrapMT::thread_exit() {
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exit=true;
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}
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void Physics2DServerWrapMT::thread_step(float p_delta) {
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physics_2d_server->step(p_delta);
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step_sem->post();
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}
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void Physics2DServerWrapMT::_thread_callback(void *_instance) {
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Physics2DServerWrapMT *vsmt = reinterpret_cast<Physics2DServerWrapMT*>(_instance);
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vsmt->thread_loop();
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}
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void Physics2DServerWrapMT::thread_loop() {
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server_thread=Thread::get_caller_ID();
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OS::get_singleton()->make_rendering_thread();
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physics_2d_server->init();
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exit=false;
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step_thread_up=true;
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while(!exit) {
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// flush commands one by one, until exit is requested
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command_queue.wait_and_flush_one();
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}
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command_queue.flush_all(); // flush all
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physics_2d_server->finish();
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}
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/* EVENT QUEUING */
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void Physics2DServerWrapMT::step(float p_step) {
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if (create_thread) {
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command_queue.push( this, &Physics2DServerWrapMT::thread_step,p_step);
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} else {
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command_queue.flush_all(); //flush all pending from other threads
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physics_2d_server->step(p_step);
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}
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}
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void Physics2DServerWrapMT::sync() {
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if (step_sem) {
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if (first_frame)
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first_frame=false;
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else
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step_sem->wait(); //must not wait if a step was not issued
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}
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physics_2d_server->sync();;
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}
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void Physics2DServerWrapMT::flush_queries(){
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physics_2d_server->flush_queries();
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}
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void Physics2DServerWrapMT::end_sync() {
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physics_2d_server->end_sync();;
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}
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void Physics2DServerWrapMT::init() {
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if (create_thread) {
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step_sem = Semaphore::create();
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print_line("CREATING PHYSICS 2D THREAD");
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//OS::get_singleton()->release_rendering_thread();
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if (create_thread) {
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thread = Thread::create( _thread_callback, this );
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print_line("STARTING PHYISICS 2D THREAD");
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}
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while(!step_thread_up) {
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OS::get_singleton()->delay_usec(1000);
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}
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print_line("DONE PHYSICS 2D THREAD");
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} else {
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physics_2d_server->init();
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}
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}
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void Physics2DServerWrapMT::finish() {
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if (thread) {
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command_queue.push( this, &Physics2DServerWrapMT::thread_exit);
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Thread::wait_to_finish( thread );
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memdelete(thread);
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/*
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shape_free_cached_ids();
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area_free_cached_ids();
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body_free_cached_ids();
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pin_joint_free_cached_ids();
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groove_joint_free_cached_ids();
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damped_string_free_cached_ids();
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*/
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thread=NULL;
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} else {
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physics_2d_server->finish();
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}
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if (step_sem)
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memdelete(step_sem);
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}
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Physics2DServerWrapMT::Physics2DServerWrapMT(Physics2DServer* p_contained,bool p_create_thread) : command_queue(p_create_thread) {
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physics_2d_server=p_contained;
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create_thread=p_create_thread;
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thread=NULL;
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step_sem=NULL;
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step_pending=0;
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step_thread_up=false;
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alloc_mutex=Mutex::create();
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shape_pool_max_size=GLOBAL_DEF("core/thread_rid_pool_prealloc",20);
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area_pool_max_size=GLOBAL_DEF("core/thread_rid_pool_prealloc",20);
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body_pool_max_size=GLOBAL_DEF("core/thread_rid_pool_prealloc",20);
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pin_joint_pool_max_size=GLOBAL_DEF("core/thread_rid_pool_prealloc",20);
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groove_joint_pool_max_size=GLOBAL_DEF("core/thread_rid_pool_prealloc",20);
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damped_spring_joint_pool_max_size=GLOBAL_DEF("core/thread_rid_pool_prealloc",20);
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if (!p_create_thread) {
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server_thread=Thread::get_caller_ID();
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} else {
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server_thread=0;
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}
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main_thread = Thread::get_caller_ID();
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first_frame=true;
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}
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Physics2DServerWrapMT::~Physics2DServerWrapMT() {
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memdelete(physics_2d_server);
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memdelete(alloc_mutex);
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//finish();
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}
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