[studio/modlib] Make iterateSelection return errors properly

deps/ox/src/ox/claw/format.hpp

@@ -10,7 +10,7 @@
 
 namespace ox {
 
-enum class ClawFormat: int {
+enum class ClawFormat {
 	None,
 	Metal,
 	Organic,

deps/ox/src/ox/preloader/preloader.hpp

@@ -381,8 +381,6 @@ constexpr ox::Error Preloader<PlatSpec>::fieldVector(
 
 template<typename PlatSpec>
 constexpr ox::Error Preloader<PlatSpec>::fieldArray(CRStringView, ox::ModelValueArray const*val) noexcept {
-	oxDebugf("array size: {}", val->size());
-	oxDebugf("array sizeOf: {}", sizeOf<PlatSpec>(val));
 	oxReturnError(pad(&(*val)[0]));
 	for (auto const&v : *val) {
 		oxReturnError(this->interface()->field({}, &v));

deps/ox/src/ox/std/CMakeLists.txt

@@ -96,6 +96,7 @@ install(
 		buildinfo.hpp
 		byteswap.hpp
 		concepts.hpp
+		conv.hpp
 		def.hpp
 		defer.hpp
 		defines.hpp

deps/ox/src/ox/std/bit.hpp

@@ -32,7 +32,7 @@ constexpr To bit_cast(const From &src) noexcept requires(sizeof(To) == sizeof(Fr
 namespace ox {
 
 template<typename To, typename From>
-constexpr typename enable_if<sizeof(To) == sizeof(From), To>::type cbit_cast(From src) noexcept {
+constexpr To cbit_cast(From src) noexcept requires(sizeof(To) == sizeof(From)) {
 	To dst = {};
 	ox::memcpy(&dst, &src, sizeof(src));
 	return dst;

deps/ox/src/ox/std/conv.hpp

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2015 - 2024 gary@drinkingtea.net
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "point.hpp"
+#include "size.hpp"
+#include "vec.hpp"
+
+namespace ox {
+
+constexpr Vec2::operator Point() const noexcept {
+	return {
+			static_cast<int32_t>(x),
+			static_cast<int32_t>(y),
+	};
+}
+
+constexpr Vec2::operator Size() const noexcept {
+	return {
+			static_cast<int32_t>(x),
+			static_cast<int32_t>(y),
+	};
+}
+
+constexpr Point::operator Vec2() const noexcept {
+	return {
+			static_cast<float>(x),
+			static_cast<float>(y),
+	};
+}
+
+constexpr Size::operator Vec2() const noexcept {
+	return {
+		static_cast<float>(width),
+		static_cast<float>(height),
+	};
+}
+
+}

deps/ox/src/ox/std/point.hpp

@@ -64,6 +64,7 @@ class Point {
 
 		constexpr bool operator!=(const Point&) const noexcept;
 
+		explicit constexpr operator class Vec2() const noexcept;
 };
 
 constexpr Point::Point(int x, int y) noexcept {

deps/ox/src/ox/std/size.hpp

@@ -64,6 +64,7 @@ class Size {
 
 		constexpr bool operator!=(const Size&) const noexcept;
 
+		explicit constexpr operator class Vec2() const noexcept;
 };
 
 constexpr Size::Size(int width, int height) noexcept {

deps/ox/src/ox/std/smallmap.hpp

@@ -39,8 +39,6 @@ class SmallMap {
 
 		constexpr SmallMap(SmallMap &&other) noexcept;
 
-		constexpr ~SmallMap();
-
 		constexpr bool operator==(SmallMap const&other) const;
 
 		constexpr SmallMap &operator=(SmallMap const&other);
@@ -105,11 +103,6 @@ constexpr SmallMap<K, T, SmallSz>::SmallMap(SmallMap<K, T, SmallSz> &&other) noe
 	m_pairs = std::move(other.m_pairs);
 }
 
-template<typename K, typename T, size_t SmallSz>
-constexpr SmallMap<K, T, SmallSz>::~SmallMap() {
-	clear();
-}
-
 template<typename K, typename T, size_t SmallSz>
 constexpr bool SmallMap<K, T, SmallSz>::operator==(SmallMap const&other) const {
 	return m_pairs == other.m_pairs;

deps/ox/src/ox/std/std.hpp

@@ -16,6 +16,7 @@
 #include "istring.hpp"
 #include "byteswap.hpp"
 #include "concepts.hpp"
+#include "conv.hpp"
 #include "cstringview.hpp"
 #include "cstrops.hpp"
 #include "def.hpp"

deps/ox/src/ox/std/test/tests.cpp

@@ -18,12 +18,12 @@
 #include <ox/std/std.hpp>
 
 [[nodiscard]]
-static uint64_t nowMs() {
+static uint64_t steadyNowMs() {
 #if __has_include(<chrono>)
 	using namespace std::chrono;
 	return static_cast<uint64_t>(
 			duration_cast<milliseconds>(
-					system_clock::now().time_since_epoch()).count());
+					steady_clock::now().time_since_epoch()).count());
 #else
 	return 0;
 #endif
@@ -41,13 +41,13 @@ uint64_t timeMapStrToUuid(int elemCnt, int lookups, uint64_t seed = 4321) noexce
 	auto const keys = map.keys();
 	ox::Random rand;
 	// start
-	auto const startTime = nowMs();
+	auto const startTime = steadyNowMs();
 	for (int i = 0; i < lookups; ++i) {
 		auto const&k = keys[rand.gen() % keys.size()];
 		map[k];
 		oxExpect(map[k], ox::UUID::fromString(k).unwrap());
 	}
-	return nowMs() - startTime;
+	return steadyNowMs() - startTime;
 }
 
 template<typename Map = ox::SmallMap<ox::UUID, ox::String>>
@@ -62,16 +62,16 @@ uint64_t timeMapUuidToStr(int elemCnt, int lookups, uint64_t seed = 4321) noexce
 	auto const keys = map.keys();
 	ox::Random rand;
 	// start
-	auto const startTime = nowMs();
+	auto const startTime = steadyNowMs();
 	for (int i = 0; i < lookups; ++i) {
 		auto const&k = keys[rand.gen() % keys.size()];
 		oxExpect(map[k], k.toString());
 	}
-	return nowMs() - startTime;
+	return steadyNowMs() - startTime;
 }
 
 static ox::Error compareMaps(int lookupCnt = 1'000'000) {
-	auto const seed = nowMs();
+	auto const seed = steadyNowMs();
 	uint64_t hashTime{};
 	uint64_t smallTime{};
 	int elemCnt = 1;

deps/ox/src/ox/std/typetraits.hpp

@@ -185,6 +185,8 @@ struct enable_if<true, T> {
 	using type = T;
 };
 
+template<bool B, typename T>
+using enable_if_t = typename enable_if<B, T>::type;
 
 template<typename T>
 struct is_pointer {

deps/ox/src/ox/std/vec.hpp

@@ -23,17 +23,16 @@
 
 namespace ox {
 
-template<typename T>
-struct Vec {
+class Vec2 {
 	public:
-		using value_type = T;
+		using value_type = float;
 		using size_type = std::size_t;
 
 		static constexpr auto TypeName = "net.drinkingtea.ox.Point";
 		static constexpr auto TypeVersion = 1;
 
-		T x = 0;
-		T y = 0;
+		float x = 0;
+		float y = 0;
 
 		template<typename RefType = value_type&, typename PtrType = value_type*, bool reverse = false>
 		struct iterator: public ox::Iterator<std::bidirectional_iterator_tag, value_type> {
@@ -141,14 +140,14 @@ struct Vec {
 
 		};
 
-		constexpr Vec() noexcept = default;
+		constexpr Vec2() noexcept = default;
 
 		template<typename ...Args>
-		constexpr Vec(T pX, T pY) noexcept: x(pX), y(pY) {
+		constexpr Vec2(float pX, float pY) noexcept: x(pX), y(pY) {
 		}
 
 #if __has_include(<imgui.h>)
-		explicit constexpr Vec(const ImVec2 &v) noexcept: Vec(v.x, v.y) {
+		explicit constexpr Vec2(const ImVec2 &v) noexcept: Vec2(v.x, v.y) {
 		}
 
 		explicit inline operator ImVec2() const noexcept {
@@ -228,7 +227,7 @@ struct Vec {
 			}
 		}
 
-		constexpr auto operator==(const Vec &v) const noexcept {
+		constexpr auto operator==(const Vec2 &v) const noexcept {
 			for (auto i = 0u; i < v.size(); ++i) {
 				if ((*this)[i] != v[i]) {
 					return false;
@@ -237,29 +236,71 @@ struct Vec {
 			return true;
 		}
 
-		constexpr auto operator!=(const Vec &v) const noexcept {
+		constexpr auto operator!=(const Vec2 &v) const noexcept {
 			return !operator==(v);
 		}
 
+		explicit constexpr operator class Point() const noexcept;
+
+		explicit constexpr operator class Size() const noexcept;
+
 		[[nodiscard]]
 		constexpr std::size_t size() const noexcept {
 			return 2;
 		}
 
+		constexpr Vec2 operator+(float i) const noexcept {
+			return {x + i, y + i};
+		}
+
+		constexpr Vec2 operator+=(float i) noexcept {
+			x += i;
+			y += i;
+			return *this;
+		}
+
+		constexpr Vec2 operator-(float i) const noexcept {
+			return {x - i, y - i};
+		}
+
+		constexpr Vec2 operator-=(float i) noexcept {
+			x -= i;
+			y -= i;
+			return *this;
+		}
+
+		constexpr Vec2 operator*(float i) const noexcept {
+			return {x * i, y * i};
+		}
+
+		constexpr Vec2 operator*=(float i) noexcept {
+			x *= i;
+			y *= i;
+			return *this;
+		}
+
+		constexpr Vec2 operator/(float i) const noexcept {
+			return {x / i, y / i};
+		}
+
+		constexpr Vec2 operator/=(float i) noexcept {
+			x /= i;
+			y /= i;
+			return *this;
+		}
+
 	protected:
 		[[nodiscard]]
-		constexpr T *start() noexcept {
+		constexpr float *start() noexcept {
 			return&x;
 		}
 
 		[[nodiscard]]
-		constexpr const T *start() const noexcept {
+		constexpr const float *start() const noexcept {
 			return &x;
 		}
 };
 
-using Vec2 = Vec<float>;
-
 template<typename T>
 constexpr Error model(T *io, ox::CommonPtrWith<Vec2> auto *obj) noexcept {
 	oxReturnError(io->template setTypeInfo<Vec2>());

src/nostalgia/modules/core/include/nostalgia/core/color.hpp

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <ox/std/math.hpp>
 #include <ox/std/types.hpp>
 
 namespace nostalgia::core {
@@ -151,4 +152,13 @@ static_assert(color16(16, 31, 0) == 1008);
 static_assert(color16(16, 31, 8) == 9200);
 static_assert(color16(16, 32, 8) == 9200);
 
+[[nodiscard]]
+constexpr Color16 applySelectionColor(Color16 const color) noexcept {
+	namespace core = nostalgia::core;
+	auto const r = core::red16(color) / 2;
+	auto const g = (core::green16(color) + 20) / 2;
+	auto const b = (core::blue16(color) + 31) / 2;
+	return core::color16(r, g, b);
+}
+
 }

src/nostalgia/modules/core/src/opengl/gfx.cpp

@@ -385,7 +385,8 @@ static void setSprite(
 		uint_t const idx,
 		Sprite const&s) noexcept {
 	// Tonc Table 8.4
-	static constexpr ox::Array<ox::Vec<uint_t>, 12> dimensions{
+	struct Sz { uint_t x{}, y{}; };
+	static constexpr ox::Array<Sz, 12> dimensions{
 			// col 0
 			{1, 1}, // 0, 0
 			{2, 2}, // 0, 1

src/nostalgia/modules/core/src/studio/tilesheeteditor/tilesheetpixels.cpp

@@ -139,10 +139,7 @@ void TileSheetPixels::setBufferObjects(ox::Vec2 const&paneSize) noexcept {
 			return;
 		}
 		if (m_model.pixelSelected(i)) {
-			auto const r = red16(color) / 2;
-			auto const g = (green16(color) + 20) / 2;
-			auto const b = (blue16(color) + 31) / 2;
-			color = color16(r, g, b);
+			color = applySelectionColor(color);
 		}
 		setPixelBufferObject(paneSize, static_cast<unsigned>(i * VertexVboRows), fx, fy, color, vbo, ebo);
 	});

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

@@ -0,0 +1,94 @@
+
+#pragma once
+
+#include <imgui.h>
+
+#include <ox/std/math.hpp>
+#include <ox/std/point.hpp>
+#include <ox/std/typetraits.hpp>
+
+namespace studio {
+
+struct Selection {ox::Point a, b;};
+
+constexpr auto iterateSelection(studio::Selection const&sel, auto const&cb) {
+	constexpr auto retErr = ox::is_same_v<decltype(cb(0, 0)), ox::Error>;
+	for (auto x = sel.a.x; x <= sel.b.x; ++x) {
+		for (auto y = sel.a.y; y <= sel.b.y; ++y) {
+			if constexpr(retErr) {
+				oxReturnError(cb(x, y));
+			} else {
+				cb(x, y);
+			}
+		}
+	}
+	if constexpr(retErr) {
+		return ox::Error{};
+	}
+};
+
+class SelectionTracker {
+	private:
+		bool m_selectionOngoing{};
+		ox::Point m_pointA;
+		ox::Point m_pointB;
+	public:
+		[[nodiscard]]
+		constexpr bool selectionOngoing() const noexcept {
+			return m_selectionOngoing;
+		}
+
+		constexpr void startSelection(ox::Point cursor) noexcept {
+			m_pointA = cursor;
+			m_pointB = cursor;
+			m_selectionOngoing = true;
+		}
+
+		constexpr void updateCursorPoint(ox::Point cursor, bool allowStart = true) noexcept {
+			if (!m_selectionOngoing && allowStart) {
+				m_pointA = cursor;
+				m_selectionOngoing = true;
+			}
+			if (m_selectionOngoing) {
+				m_pointB = cursor;
+			}
+		}
+
+		constexpr void updateCursorPoint(ox::Vec2 cursor, bool allowStart = true) noexcept {
+			updateCursorPoint(
+					ox::Point{
+							static_cast<int32_t>(cursor.x),
+							static_cast<int32_t>(cursor.y),
+					},
+					allowStart);
+		}
+
+		constexpr void updateCursorPoint(ImVec2 cursor, bool allowStart = true) noexcept {
+			updateCursorPoint(
+					ox::Point{
+						static_cast<int32_t>(cursor.x),
+						static_cast<int32_t>(cursor.y),
+					},
+					allowStart);
+		}
+
+		constexpr void finishSelection() noexcept {
+			m_selectionOngoing = {};
+		}
+
+		[[nodiscard]]
+		constexpr Selection selection() const noexcept {
+			return {
+				{
+					ox::min(m_pointA.x, m_pointB.x),
+					ox::min(m_pointA.y, m_pointB.y),
+				},
+				{
+					ox::max(m_pointA.x, m_pointB.x),
+					ox::max(m_pointA.y, m_pointB.y),
+				},
+			};
+		}
+};
+
+}

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

@@ -12,6 +12,7 @@
 #include <studio/itemmaker.hpp>
 #include <studio/popup.hpp>
 #include <studio/project.hpp>
+#include <studio/selectiontracker.hpp>
 #include <studio/task.hpp>
 #include <studio/undocommand.hpp>
 #include <studio/undostack.hpp>