[nostalgia/core/gba] Cleanup

Makefile

@@ -1,13 +1,12 @@
 PROJECT_NAME=nostalgia
 BUILDCORE_PATH=deps/buildcore
-VCPKG_PKGS=sdl2 jsoncpp
 include ${BUILDCORE_PATH}/base.mk
 
 ifeq ($(OS),darwin)
-	NOSTALGIA_STUDIO=./dist/${CURRENT_BUILD}/nostalgia-studio.app/Contents/MacOS/nostalgia-studio
+	NOSTALGIA_STUDIO=./build/${HOST}/${CURRENT_BUILD}/src/nostalgia/studio/nostalgia-studio.app/Contents/MacOS/nostalgia-studio
 	MGBA=/Applications/mGBA.app/Contents/MacOS/mGBA
 else
-	NOSTALGIA_STUDIO=./dist/${CURRENT_BUILD}/bin/nostalgia-studio
+	NOSTALGIA_STUDIO=./build/${HOST}/${CURRENT_BUILD}/src/nostalgia/studio/nostalgia-studio
 	MGBA=mgba-qt
 endif
 
@@ -16,19 +15,19 @@ pkg-gba: install
 	${ENV_RUN} ./scripts/pkg-gba sample_project
 
 .PHONY: run
-run: install
-	./dist/${CURRENT_BUILD}/bin/nostalgia sample_project
+run: build
+	./build/${HOST}/${CURRENT_BUILD}/src/nostalgia/player/nostalgia sample_project
 .PHONY: run-studio
-run-studio: install
+run-studio: build
 	${NOSTALGIA_STUDIO}
 .PHONY: gba-run
 gba-run: pkg-gba
 	${MGBA} nostalgia.gba
 .PHONY: debug
-debug: install
-	${DEBUGGER} ./dist/${CURRENT_BUILD}/bin/nostalgia sample_project
+debug: build
+	${DEBUGGER} ./build/${HOST}/${CURRENT_BUILD}/src/nostalgia/player/nostalgia sample_project
 .PHONY: debug-studio
-debug-studio: install
+debug-studio: build
 	${DEBUGGER} ${NOSTALGIA_STUDIO}
 
 .PHONY: configure-gba

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

@@ -11,36 +11,42 @@
 namespace nostalgia::core {
 
 [[nodiscard]]
-constexpr std::size_t ptToIdx(int x, int y, int c) noexcept {
-	constexpr auto colLength = static_cast<std::size_t>(PixelsPerTile);
-	const auto rowLength = static_cast<std::size_t>(static_cast<std::size_t>(c / TileWidth) * colLength);
-	const auto colStart = static_cast<std::size_t>(colLength * static_cast<std::size_t>(x / TileWidth));
-	const auto rowStart = static_cast<std::size_t>(rowLength * static_cast<std::size_t>(y / TileHeight));
-	const auto colOffset = static_cast<std::size_t>(x % TileWidth);
-	const auto rowOffset = static_cast<std::size_t>(static_cast<std::size_t>(y % TileHeight) * TileHeight);
+constexpr std::size_t ptToIdx(int x, int y, int c, int scale = 1) noexcept {
+	const auto tileWidth = TileWidth * scale;
+	const auto tileHeight = TileHeight * scale;
+	const auto pixelsPerTile = tileWidth * tileHeight;
+	const auto colLength = static_cast<std::size_t>(pixelsPerTile);
+	const auto rowLength = static_cast<std::size_t>(static_cast<std::size_t>(c / tileWidth) * colLength);
+	const auto colStart = static_cast<std::size_t>(colLength * static_cast<std::size_t>(x / tileWidth));
+	const auto rowStart = static_cast<std::size_t>(rowLength * static_cast<std::size_t>(y / tileHeight));
+	const auto colOffset = static_cast<std::size_t>(x % tileWidth);
+	const auto rowOffset = static_cast<std::size_t>(static_cast<std::size_t>((y % tileHeight) * tileHeight));
 	return static_cast<std::size_t>(colStart + colOffset + rowStart + rowOffset);
 }
 
 [[nodiscard]]
-constexpr std::size_t ptToIdx(const ox::Point &pt, int c) noexcept {
-	return ptToIdx(pt.x, pt.y, c * TileWidth);
+constexpr std::size_t ptToIdx(const ox::Point &pt, int c, int scale = 1) noexcept {
+	return ptToIdx(pt.x, pt.y, c * TileWidth, scale);
 }
 
 [[nodiscard]]
-constexpr ox::Point idxToPt(int i, int c) noexcept {
+constexpr ox::Point idxToPt(int i, int c, int scale = 1) noexcept {
+	const auto tileWidth = TileWidth * scale;
+	const auto tileHeight = TileHeight * scale;
+	const auto pixelsPerTile = tileWidth * tileHeight;
 	// prevent divide by zeros
 	if (!c) {
 		++c;
 	}
-	const auto t = i / PixelsPerTile; // tile number
-	const auto iti = i % PixelsPerTile; // in tile index
+	const auto t = i / pixelsPerTile; // tile number
+	const auto iti = i % pixelsPerTile; // in tile index
 	const auto tc = t % c; // tile column
 	const auto tr = t / c; // tile row
-	const auto itx = iti % TileWidth; // in tile x
-	const auto ity = iti / TileHeight; // in tile y
+	const auto itx = iti % tileWidth; // in tile x
+	const auto ity = iti / tileHeight; // in tile y
 	return {
-		itx + tc * TileWidth,
-		ity + tr * TileHeight,
+		itx + tc * tileWidth,
+		ity + tr * tileHeight,
 	};
 }
 

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

@@ -565,4 +565,9 @@ oxModelBegin(CompactTileSheet)
 	oxModelField(pixels)
 oxModelEnd()
 
+ox::Vector<uint32_t> resizeTileSheetData(
+		ox::Vector<uint32_t> const&srcPixels,
+		ox::Size const&srcSize,
+		int scale = 2) noexcept;
+
 }

src/nostalgia/modules/core/src/CMakeLists.txt

@@ -1,6 +1,7 @@
 add_library(
 	NostalgiaCore
 		gfx.cpp
+		tilesheet.cpp
 )
 
 add_subdirectory(gba)

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

@@ -148,8 +148,9 @@ ox::Error loadSpriteTileSheet(
 		const ox::FileAddress &tilesheetAddr,
 		const ox::FileAddress &paletteAddr) noexcept {
 	auto &gctx = static_cast<GbaContext&>(*ctx);
+	auto &rom = static_cast<const ox::MemFS&>(gctx.rom());
 	oxRequire(tsStat, gctx.rom().stat(tilesheetAddr));
-	oxRequire(ts, static_cast<const ox::MemFS&>(gctx.rom()).directAccess(tilesheetAddr));
+	oxRequire(ts, rom.directAccess(tilesheetAddr));
 	GbaTileMapTarget target;
 	target.pal.palette = MEM_SPRITE_PALETTE;
 	target.tileMap = MEM_SPRITE_TILES;
@@ -157,7 +158,7 @@ ox::Error loadSpriteTileSheet(
 	// load external palette if available
 	if (paletteAddr) {
 		oxRequire(palStat, gctx.rom().stat(paletteAddr));
-		oxRequire(pal, static_cast<const ox::MemFS&>(gctx.rom()).directAccess(paletteAddr));
+		oxRequire(pal, rom.directAccess(paletteAddr));
 		oxReturnError(ox::readMC(pal, static_cast<std::size_t>(palStat.size), &target.pal));
 	}
 	return {};
@@ -165,10 +166,11 @@ ox::Error loadSpriteTileSheet(
 
 ox::Error loadBgPalette(Context *ctx, unsigned, const ox::FileAddress &paletteAddr) noexcept {
 	auto &gctx = static_cast<GbaContext&>(*ctx);
+	auto &rom = static_cast<const ox::MemFS&>(gctx.rom());
 	GbaPaletteTarget target;
 	target.palette = MEM_BG_PALETTE;
 	oxRequire(palStat, gctx.rom().stat(paletteAddr));
-	oxRequire(pal, static_cast<const ox::MemFS&>(gctx.rom()).directAccess(paletteAddr));
+	oxRequire(pal, rom.directAccess(paletteAddr));
 	oxReturnError(ox::readMC(pal, static_cast<std::size_t>(palStat.size), &target));
 	return {};
 }

src/nostalgia/modules/core/src/studio/tilesheeteditor-imgui.cpp

@@ -289,9 +289,11 @@ void TileSheetEditorImGui::drawTileSheet(const ox::Vec2 &fbSize) noexcept {
 	glViewport(0, 0, fbSizei.width, fbSizei.height);
 	m_tileSheetEditor.draw();
 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-	const uintptr_t buffId = m_framebuffer.color.id;
+	ImTextureID buffId{};
+	static_assert(sizeof(ImTextureID) >= sizeof(m_framebuffer.color.id));
+	memcpy(&buffId, &m_framebuffer.color.id, sizeof(m_framebuffer.color.id));
 	ImGui::Image(
-		reinterpret_cast<void*>(buffId),
+		buffId,
 		static_cast<ImVec2>(fbSize),
 		ImVec2(0, 1),
 		ImVec2(1, 0));

src/nostalgia/modules/core/src/tilesheet.cpp

@@ -0,0 +1,28 @@
+
+#include <ox/std/size.hpp>
+#include <ox/std/vector.hpp>
+
+#include <nostalgia/core/ptidxconv.hpp>
+
+namespace nostalgia::core {
+
+ox::Vector<uint32_t> resizeTileSheetData(
+		ox::Vector<uint32_t> const&srcPixels,
+		ox::Size const&srcSize,
+		int scale = 2) noexcept {
+	ox::Vector<uint32_t> dst;
+	auto dstWidth = srcSize.width * scale;
+	auto dstHeight = srcSize.height * scale;
+	const auto pixelCnt = dstWidth * dstHeight;
+	dst.resize(static_cast<std::size_t>(pixelCnt));
+	for (auto i = 0; i < pixelCnt; ++i) {
+		const auto dstPt = idxToPt(i, 1, scale);
+		const auto srcPt = dstPt / ox::Point{scale, scale};
+		const auto srcIdx = ptToIdx(srcPt, 1);
+		const auto srcPixel = srcPixels[srcIdx];
+		dst[static_cast<std::size_t>(i)] = srcPixel;
+	}
+	return dst;
+}
+
+}