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This commit is contained in:
David Vanderson 2022-06-09 09:00:25 -04:00 • committed by Stephen Gutekanst
parent 9354c178eb
commit 0f7c34a5ad
2 changed files with 24 additions and 27 deletions
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39
src/platform/native.zig
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@ -17,7 +17,7 @@ pub const Platform = struct {
last_window_size: structs.Size,
last_framebuffer_size: structs.Size,
waitEventTimeout: ?f64 = null,
wait_event_timeout: f64 = 0.0,
native_instance: gpu.NativeInstance,
@ -306,13 +306,12 @@ pub const Platform = struct {
return platform.last_window_size;
}
pub fn hasEvent(platform: *Platform) !bool {
try glfw.pollEvents();
pub fn hasEvent(platform: *Platform) bool {
return platform.events.first != null;
}
pub fn setWaitEvent(platform: *Platform, timeout: ?f64) void {
platform.waitEventTimeout = timeout;
pub fn setWaitEvent(platform: *Platform, timeout: f64) void {
platform.wait_event_timeout = timeout;
}
pub fn pollEvent(platform: *Platform) ?structs.Event {
@ -495,7 +494,21 @@ pub fn main() !void {
const window = engine.internal.window;
while (!window.shouldClose()) {
try glfw.pollEvents();
if (engine.internal.wait_event_timeout > 0.0) {
// wait for an event
if (engine.internal.wait_event_timeout == std.math.floatMax(f64)) {
// no timeout
try glfw.waitEvents();
}
else {
// with a timeout
try glfw.waitEventsTimeout(engine.internal.wait_event_timeout);
}
}
else {
// don't wait
try glfw.pollEvents();
}
engine.delta_time_ns = engine.timer.lapPrecise();
engine.delta_time = @intToFloat(f32, engine.delta_time_ns) / @intToFloat(f32, std.time.ns_per_s);
@ -522,19 +535,5 @@ pub fn main() !void {
}
try app.update(&engine);
if (engine.internal.waitEventTimeout) |timeout| {
// wait for an event
if (timeout == std.math.floatMax(f64)) {
// no timeout
try glfw.waitEvents();
}
else {
// with a timeout
try glfw.waitEventsTimeout(timeout);
}
engine.internal.waitEventTimeout = null;
}
}
}