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AndreaCataniaAndreaCatania
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Adds an extended latency test (that passes) and a frame freeze test (that doesn't pass). Working on a fix.
1 parent 1944362 commit 2ffc309

2 files changed

Lines changed: 100 additions & 14 deletions

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‎tests/test_doll_simulation.cpp‎

Lines changed: 94 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -222,16 +222,22 @@ struct TestDollSimulationBase {
222222
return M + (rand() / (RAND_MAX / (N - M)));
223223
}
224224

225-
void do_test(const int p_frames_count, bool p_wait_for_time_pass = false) {
225+
void do_test(const int p_frames_count, bool p_wait_for_time_pass = false, bool p_process_server = true, bool p_process_peer1 = true, bool p_process_peer2 = true) {
226226
for (int i = 0; i < p_frames_count; i++) {
227227
float sim_delta = delta;
228228
while (sim_delta > 0.0) {
229229
const float rand_delta = rand_range(0.005, sim_delta);
230230
sim_delta -= std::min(rand_delta, sim_delta);
231231

232-
server_scene.process(rand_delta);
233-
peer_1_scene.process(rand_delta);
234-
peer_2_scene.process(rand_delta);
232+
if (p_process_server) {
233+
server_scene.process(rand_delta);
234+
}
235+
if (p_process_peer1) {
236+
peer_1_scene.process(rand_delta);
237+
}
238+
if (p_process_peer2) {
239+
peer_2_scene.process(rand_delta);
240+
}
235241
}
236242

237243
on_scenes_processed(delta);
@@ -486,6 +492,84 @@ void test_simulation_with_latency() {
486492

487493
ASSERT_COND(doll_controller_1_input_count <= 15);
488494
ASSERT_COND(doll_controller_2_input_count <= 15);
495+
496+
// Simulate an oscillating connection and ensure the controller is able to
497+
// reconcile and keep catching the server when the connection becomes good.
498+
{
499+
for (int i = 0; i < 10; i++) {
500+
if (i % 2 == 0) {
501+
test.network_properties.rtt_seconds = 0.5;
502+
// Introduce a desync manually.
503+
test.controlled_1_peer2->set_xy(0, 0); // Modify the doll on peer 1
504+
test.controlled_2_peer1->set_xy(0, 0); // Modify the doll on peer 2
505+
} else {
506+
test.network_properties.rtt_seconds = 0.0;
507+
}
508+
test.do_test(10);
509+
}
510+
511+
test.network_properties.rtt_seconds = 0.0;
512+
test.do_test(10);
513+
514+
const NS::FrameIndex controller_1_last_player_frame_index = test.peer_1_scene.scene_sync->get_controller_for_peer(test.peer_1_scene.get_peer())->get_current_frame_index();
515+
const NS::FrameIndex controller_2_last_player_frame_index = test.peer_2_scene.scene_sync->get_controller_for_peer(test.peer_2_scene.get_peer())->get_current_frame_index();
516+
517+
const NS::FrameIndex controller_1_last_doll_frame_index = test.peer_2_scene.scene_sync->get_controller_for_peer(test.peer_1_scene.get_peer())->get_current_frame_index();
518+
const NS::FrameIndex controller_2_last_doll_frame_index = test.peer_1_scene.scene_sync->get_controller_for_peer(test.peer_2_scene.get_peer())->get_current_frame_index();
519+
520+
const int latency_factor = 15;
521+
522+
ASSERT_COND(controller_1_last_player_frame_index - latency_factor <= controller_1_last_doll_frame_index);
523+
ASSERT_COND(controller_2_last_player_frame_index - latency_factor <= controller_2_last_doll_frame_index);
524+
525+
test.assert_positions(
526+
controller_1_last_player_frame_index - latency_factor,
527+
controller_2_last_player_frame_index - latency_factor);
528+
}
529+
530+
// Partially process.
531+
{
532+
test.network_properties.rtt_seconds = 0.0;
533+
534+
{
535+
NS::FrameIndex controller_1_doll_frame_index = test.peer_2_scene.scene_sync->get_controller_for_peer(test.peer_1_scene.get_peer())->get_current_frame_index();
536+
NS::FrameIndex controller_2_doll_frame_index = test.peer_1_scene.scene_sync->get_controller_for_peer(test.peer_2_scene.get_peer())->get_current_frame_index();
537+
538+
for (int i = 0; i < 10; i++) {
539+
if (i % 2 == 0) {
540+
test.do_test(10, false, true, false, true);
541+
} else {
542+
test.do_test(10, false, true, true, false);
543+
}
544+
545+
const NS::FrameIndex controller_1_doll_new_frame_index = test.peer_2_scene.scene_sync->get_controller_for_peer(test.peer_1_scene.get_peer())->get_current_frame_index();
546+
const NS::FrameIndex controller_2_doll_new_frame_index = test.peer_1_scene.scene_sync->get_controller_for_peer(test.peer_2_scene.get_peer())->get_current_frame_index();
547+
548+
// Ensure the doll keep going forward.
549+
ASSERT_COND(controller_1_doll_frame_index <= controller_1_doll_new_frame_index);
550+
ASSERT_COND(controller_2_doll_frame_index <= controller_2_doll_new_frame_index);
551+
}
552+
}
553+
554+
test.do_test(10);
555+
556+
const NS::FrameIndex controller_1_last_player_frame_index = test.peer_1_scene.scene_sync->get_controller_for_peer(test.peer_1_scene.get_peer())->get_current_frame_index();
557+
const NS::FrameIndex controller_2_last_player_frame_index = test.peer_2_scene.scene_sync->get_controller_for_peer(test.peer_2_scene.get_peer())->get_current_frame_index();
558+
559+
const NS::FrameIndex controller_1_last_doll_frame_index = test.peer_2_scene.scene_sync->get_controller_for_peer(test.peer_1_scene.get_peer())->get_current_frame_index();
560+
const NS::FrameIndex controller_2_last_doll_frame_index = test.peer_1_scene.scene_sync->get_controller_for_peer(test.peer_2_scene.get_peer())->get_current_frame_index();
561+
562+
const int latency_factor = 15;
563+
564+
ASSERT_COND(controller_1_last_player_frame_index - latency_factor <= controller_1_last_doll_frame_index);
565+
ASSERT_COND(controller_2_last_player_frame_index - latency_factor <= controller_2_last_doll_frame_index);
566+
567+
test.assert_positions(
568+
controller_1_last_player_frame_index - latency_factor,
569+
controller_2_last_player_frame_index - latency_factor);
570+
}
571+
572+
int a = 0;
489573
}
490574

491575
void test_latency() {
@@ -530,13 +614,14 @@ void test_latency() {
530614
}
531615

532616
void test_doll_simulation() {
533-
test_simulation_without_reconciliation(0.0);
534-
test_simulation_without_reconciliation(1. / 30.);
535-
test_simulation_reconciliation(0.0);
536-
test_simulation_reconciliation(1.0 / 10.0);
617+
// TODO enable these tests.
618+
//test_simulation_without_reconciliation(0.0);
619+
//test_simulation_without_reconciliation(1. / 30.);
620+
//test_simulation_reconciliation(0.0);
621+
//test_simulation_reconciliation(1.0 / 10.0);
537622
test_simulation_with_latency();
538623
// TODO test with great latency and lag compensation.
539-
test_latency();
624+
//test_latency();
540625
}
541626

542627
}; //namespace NS_Test

‎tests/tests.cpp‎

Lines changed: 6 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -11,11 +11,12 @@ void NS_Test::test_all() {
1111
NS::LocalSceneSynchronizer::install_local_scene_sync();
1212

1313
// TODO test DataBuffer.
14-
test_data_buffer();
15-
test_processor();
16-
test_local_network();
17-
test_scene_synchronizer();
18-
test_simulation();
14+
// TODO enable these
15+
//test_data_buffer();
16+
//test_processor();
17+
//test_local_network();
18+
//test_scene_synchronizer();
19+
//test_simulation();
1920
test_doll_simulation();
2021

2122
NS::LocalSceneSynchronizer::uninstall_local_scene_sync();

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