Add FDuration<PeriodT>.

karnkaul · Aug 24, 2023 · 1da391a · 1da391a
1 parent 815aa97
commit 1da391a
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Showing 4 changed files with 11 additions and 6 deletions.
diff --git a/engine/include/le/core/time.hpp b/engine/include/le/core/time.hpp
@@ -5,7 +5,11 @@ using namespace std::chrono_literals;
 
 namespace le {
 using Clock = std::chrono::steady_clock;
-using Duration = std::chrono::duration<float>;
+
+template <typename PeriodT = std::ratio<1, 1>>
+using FDuration = std::chrono::duration<float, PeriodT>;
+
+using Duration = FDuration<>;
 
 ///
 /// \brief Stateful delta-time computer.

diff --git a/engine/include/le/resources/resources.hpp b/engine/include/le/resources/resources.hpp
@@ -1,6 +1,7 @@
 #pragma once
 #include <le/core/mono_instance.hpp>
 #include <le/core/ptr.hpp>
+#include <le/core/time.hpp>
 #include <le/error.hpp>
 #include <le/resources/asset.hpp>
 #include <le/vfs/uri.hpp>
@@ -53,7 +54,7 @@ class Resources : public MonoInstance<Resources> {
 	template <std::derived_from<Asset> Type>
 	[[nodiscard]] static auto is_ready(std::future<Ptr<Type>> const& future) -> bool {
 		if (!future.valid()) { return false; }
-		return future.wait_for(std::chrono::seconds{}) == std::future_status::ready;
+		return future.wait_for(0s) == std::future_status::ready;
 	}
 
 	auto clear() -> void;

diff --git a/engine/src/imcpp/engine_stats.cpp b/engine/src/imcpp/engine_stats.cpp
@@ -19,7 +19,7 @@ auto EngineStats::draw_to(OpenWindow /*w*/) -> void {
 	auto const& stats = engine.get_stats();
 
 	m_frame_times.data.resize(static_cast<std::size_t>(frame_samples));
-	m_frame_times.update_offset() = std::chrono::duration<float, std::milli>{stats.frame.time}.count();
+	m_frame_times.update_offset() = FDuration<std::milli>{stats.frame.time}.count();
 	m_frame_times.advance();
 
 	ImGui::Text("%s", FixedString{"GPU: {}", stats.gpu_name}.c_str());
@@ -46,8 +46,8 @@ auto EngineStats::draw_to(OpenWindow /*w*/) -> void {
 	if (auto tn = TreeNode{"frame"}) {
 		ImGui::Text("%s", FixedString{"count: {}", stats.frame.count}.c_str());
 		ImGui::Text("%s", FixedString{"draw calls: {}", stats.frame.draw_calls}.c_str());
-		auto min_ft = std::chrono::duration<float, std::milli>{engine.min_frame_time}.count();
-		if (ImGui::DragFloat("min frame time", &min_ft, 1.0f, 0.0f, 100.0f)) { engine.min_frame_time = std::chrono::duration<float, std::milli>{min_ft}; }
+		auto min_ft = FDuration<std::milli>{engine.min_frame_time}.count();
+		if (ImGui::DragFloat("min frame time", &min_ft, 1.0f, 0.0f, 100.0f)) { engine.min_frame_time = FDuration<std::milli>{min_ft}; }
 		ImGui::DragInt("samples", &frame_samples, 5.0f, 5, 1000);
 		auto const overlay_text = FixedString{"{:.1f}ms", m_frame_times.get_current()};
 		ImGui::PlotLines("time", m_frame_times.data.data(), static_cast<int>(m_frame_times.data.size()), static_cast<int>(m_frame_times.offset),

diff --git a/engine/src/resources/resources.cpp b/engine/src/resources/resources.cpp
@@ -13,7 +13,7 @@ auto Resources::try_load(Uri const& uri, Asset& out) -> bool {
 		g_log.error("failed to load {}: '{}'", out.type_name(), uri.value());
 		return false;
 	}
-	auto const dt = std::chrono::duration<float, std::milli>{delta_time()};
+	auto const dt = FDuration<std::milli>{delta_time()};
 	g_log.info("[{:.1f}ms] '{}' {} loaded", dt.count(), uri.value(), out.type_name());
 	return true;
 }