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