Squashed 'deps/nostalgia/' changes from 84205879..0c0ccd1a

0c0ccd1a [nostalgia/core/studio] Cleanup scratchpad code
1b629da8 [ox/std] Make Vector::contains always noexcept
32e4702d [ox] Improve hasing and MaybeView
6b47133c [nostalgia] Cleanup StudioModules
0764720f [nostalgia,olympic] Update for Ox changes
78955376 [glutils] Update for Ox changes
a00a0bd2 [ox] Rename BString to IString
ed4f0e1f [nostalgia,olympic] Replace oxIgnoreError with std::ignore
ea1feb72 [ox] Remove oxIgnoreError
e9a6a096 [ox] Run liccor
d7f30975 Merge commit 'c0baf7efca0e4c3a86a018ad2564d9df7b07c133'
eeb2a5a1 [olympic/studio] Add new ImGui util functions
453f2750 [nostalgia/core/studio] Cleanup context types
189ba4c5 [olympic/studio] Make studio::run static
05773808 [olympic] Change TypeId building to use constexpr globals
272eabc7 [nostalgia/core/opengl] Unbind vertex arrays when done with them
a0256669 [glutils] Remove trailing whitespace
6808adc8 [ox/std] Replace ox::ignore with std::ignore
abc076d6 [ox/std] Cleanup
1b790a34 [ox/std] Fix Signed_c and Unsigned_c
92202716 [nostalgia/core] Update pack transforms to use ModelTypeId_v
7941a514 [ox/model] Add constexpr ModelTypeId_v
0c09c530 [ox/std] Fix sfmt constexpr problems
3ff91af8 [ox/std] Sort of fix custom assert
79b42e1d [ox/std] Fix some Vector constexpr problems
5eec9085 [ox/std] Add nodiscard to some string functions
af7c8956 [ox/std] Add ox::ignore

git-subtree-dir: deps/nostalgia
git-subtree-split: 0c0ccd1a692169d99beb8c238b8b2c466e81a13d

src/olympic/studio/modlib/include/studio/imguiutil.hpp

@@ -8,6 +8,8 @@
 
 #include <imgui.h>
 
+#include <ox/std/bit.hpp>
+
 #include <turbine/context.hpp>
 #include <studio/context.hpp>
 
@@ -15,6 +17,91 @@ namespace studio::ig {
 
 inline constexpr auto BtnSz = ImVec2{52, 22};
 
+
+constexpr ImTextureID toImTextureID(ox::Unsigned_c auto id) noexcept
+	requires(sizeof(id) <= sizeof(ox::Uint<sizeof(ImTextureID)*8>)) {
+	return std::bit_cast<ImTextureID>(ox::Uint<sizeof(ImTextureID)*8>{id});
+}
+
+template<typename T>
+ox::Result<T> getDragDropPayload(ox::CStringView name) noexcept {
+	auto const payload = ImGui::AcceptDragDropPayload(name.c_str());
+	if (!payload) {
+		return OxError(1, "No drag/drop payload");
+	}
+	return ox::readClaw<T>(
+			reinterpret_cast<char const*>(payload->Data),
+			static_cast<size_t>(payload->DataSize));
+}
+
+ox::Error setDragDropPayload(ox::CStringView name, auto const &obj) noexcept {
+	oxRequire(buff, ox::writeClaw(obj, ox::ClawFormat::Metal));
+	ImGui::SetDragDropPayload(name.c_str(), buff.data(), buff.size());
+	return {};
+}
+
+
+class DragDropSource {
+	private:
+		bool const m_active{};
+	public:
+		inline DragDropSource() noexcept:
+			m_active(ImGui::BeginDragDropSource()) {
+		}
+		inline ~DragDropSource() noexcept {
+			if (m_active) {
+				ImGui::EndDragDropSource();
+			}
+		}
+		constexpr operator bool() const noexcept {
+			return m_active;
+		}
+};
+
+inline auto dragDropSource(auto const&cb) noexcept {
+	if constexpr(ox::is_same_v<decltype(cb()), ox::Error>) {
+		if (ig::DragDropSource const tgt; tgt) [[unlikely]] {
+			return cb();
+		}
+	} else {
+		if (ig::DragDropSource const tgt; tgt) [[unlikely]] {
+			cb();
+		}
+	}
+}
+
+
+class DragDropTarget {
+	private:
+		bool const m_active{};
+	public:
+		inline DragDropTarget() noexcept:
+			m_active(ImGui::BeginDragDropTarget()) {
+		}
+		inline ~DragDropTarget() noexcept {
+			if (m_active) {
+				ImGui::EndDragDropTarget();
+			}
+		}
+		constexpr operator bool() const noexcept {
+			return m_active;
+		}
+};
+
+inline auto dragDropTarget(auto const&cb) noexcept {
+	if constexpr(ox::is_same_v<decltype(cb()), ox::Error>) {
+		if (ig::DragDropTarget const tgt; tgt) [[unlikely]] {
+			return cb();
+		}
+		return ox::Error{};
+	} else {
+		if (ig::DragDropTarget const tgt; tgt) [[unlikely]] {
+			cb();
+		}
+	}
+}
+
+
 class ChildStackItem {
 	public:
 		explicit ChildStackItem(ox::CStringView id, ImVec2 const&sz = {}) noexcept;

src/olympic/studio/modlib/src/filedialog_nfd.cpp

@@ -24,7 +24,7 @@ static ox::Result<ox::String> toResult(nfdresult_t r, NFD::UniquePathN const&pat
 			ox::String out;
 			for (auto i = 0u; path.get()[i]; ++i) {
 				auto const c = static_cast<char>(path.get()[i]);
-				oxIgnoreError(out.append(&c, 1));
+				std::ignore = out.append(&c, 1);
 			}
 			return out;
 		}

src/olympic/studio/modlib/src/task.cpp

@@ -9,13 +9,13 @@
 namespace studio {
 
 void TaskRunner::update(turbine::Context &ctx) noexcept {
-	oxIgnoreError(m_tasks.erase(std::remove_if(m_tasks.begin(), m_tasks.end(), [&](ox::UPtr<studio::Task> &t) {
+	std::ignore = m_tasks.erase(std::remove_if(m_tasks.begin(), m_tasks.end(), [&](ox::UPtr<studio::Task> &t) {
 		auto const done = t->update(ctx) == TaskState::Done;
 		if (done) {
 			t->finished.emit();
 		}
 		return done;
-	})));
+	}));
 }
 
 void TaskRunner::add(Task &task) noexcept {

src/olympic/studio/modlib/src/undostack.cpp

@@ -12,7 +12,7 @@ bool UndoCommand::mergeWith(UndoCommand const*) noexcept {
 
 void UndoStack::push(ox::UPtr<UndoCommand> &&cmd) noexcept {
 	for (auto const i = m_stackIdx; i < m_stack.size();) {
-		oxIgnoreError(m_stack.erase(i));
+		std::ignore = m_stack.erase(i);
 	}
 	cmd->redo();
 	redoTriggered.emit(cmd.get());