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Implement adjusting the maximum number of physics steps per rendered frame

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When using high physics FPS (which is a requirement to minimize input
lag and improve precision in simulation racing games), a higher value
prevents the game from slowing down at low rendering FPS.

This can be done via an Engine property for run-time changes,
or a project setting for initial changes.
This commit is contained in:
Hugo Locurcio
2022-09-15 18:57:34 +02:00
parent ca25c6e0a3
commit 66f7c48e39
7 changed files with 43 additions and 3 deletions
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11
core/core_bind.cpp
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@@ -1471,6 +1471,14 @@ int Engine::get_physics_ticks_per_second() const {
return ::Engine::get_singleton()->get_physics_ticks_per_second();
}
void Engine::set_max_physics_steps_per_frame(int p_max_physics_steps) {
::Engine::get_singleton()->set_max_physics_steps_per_frame(p_max_physics_steps);
}
int Engine::get_max_physics_steps_per_frame() const {
return ::Engine::get_singleton()->get_max_physics_steps_per_frame();
}
void Engine::set_physics_jitter_fix(double p_threshold) {
::Engine::get_singleton()->set_physics_jitter_fix(p_threshold);
}
@@ -1622,6 +1630,8 @@ bool Engine::is_printing_error_messages() const {
void Engine::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_physics_ticks_per_second", "physics_ticks_per_second"), &Engine::set_physics_ticks_per_second);
ClassDB::bind_method(D_METHOD("get_physics_ticks_per_second"), &Engine::get_physics_ticks_per_second);
ClassDB::bind_method(D_METHOD("set_max_physics_steps_per_frame", "max_physics_steps"), &Engine::set_max_physics_steps_per_frame);
ClassDB::bind_method(D_METHOD("get_max_physics_steps_per_frame"), &Engine::get_max_physics_steps_per_frame);
ClassDB::bind_method(D_METHOD("set_physics_jitter_fix", "physics_jitter_fix"), &Engine::set_physics_jitter_fix);
ClassDB::bind_method(D_METHOD("get_physics_jitter_fix"), &Engine::get_physics_jitter_fix);
ClassDB::bind_method(D_METHOD("get_physics_interpolation_fraction"), &Engine::get_physics_interpolation_fraction);
@@ -1669,6 +1679,7 @@ void Engine::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "print_error_messages"), "set_print_error_messages", "is_printing_error_messages");
ADD_PROPERTY(PropertyInfo(Variant::INT, "physics_ticks_per_second"), "set_physics_ticks_per_second", "get_physics_ticks_per_second");
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_physics_steps_per_frame"), "set_max_physics_steps_per_frame", "get_max_physics_steps_per_frame");
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_fps"), "set_max_fps", "get_max_fps");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "time_scale"), "set_time_scale", "get_time_scale");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "physics_jitter_fix"), "set_physics_jitter_fix", "get_physics_jitter_fix");