[glutils,nostalgia,studio] Fix Xcode build errors

src/nostalgia/core/opengl/gfx.cpp

@@ -154,7 +154,14 @@ static void initBackgroundBufferObjects(Context *ctx, glutils::BufferSet *bg) no
 			const auto i = bgVertexRow(x, y);
 			auto vbo = &bg->vertices[i * static_cast<std::size_t>(BgVertexVboLength)];
 			auto ebo = &bg->elements[i * static_cast<std::size_t>(BgVertexEboLength)];
-			setTileBufferObject(ctx, i * BgVertexVboRows, static_cast<float>(x), static_cast<float>(y), 0, vbo, ebo);
+			setTileBufferObject(
+				ctx,
+				static_cast<unsigned>(i * BgVertexVboRows),
+				static_cast<float>(x),
+				static_cast<float>(y),
+				0,
+				vbo,
+				ebo);
 		}
 	}
 }
@@ -437,7 +444,7 @@ void setBgStatus(Context *ctx, unsigned bg, bool status) noexcept {
 }
 
 
-void clearTileLayer(Context *ctx, unsigned bgIdx) noexcept {
+void glearTileLayer(Context *ctx, unsigned bgIdx) noexcept {
 	auto &gctx = static_cast<GlContext&>(*ctx);
 	auto &bg = gctx.cbbs[static_cast<std::size_t>(bgIdx)];
 	initBackgroundBufferObjects(&gctx, &bg);
@@ -526,9 +533,13 @@ void setTile(Context *ctx, unsigned bgIdx, int column, int row, uint8_t tile) no
 	auto vbo = &bg.vertices[i * renderer::BgVertexVboLength];
 	auto ebo = &bg.elements[i * renderer::BgVertexEboLength];
 	renderer::setTileBufferObject(
-			ctx, i * renderer::BgVertexVboRows,
-			static_cast<float>(x), static_cast<float>(y),
-			tile, vbo, ebo);
+			ctx,
+			static_cast<unsigned>(i * renderer::BgVertexVboRows),
+			static_cast<float>(x),
+			static_cast<float>(y),
+			tile,
+			vbo,
+			ebo);
 	bg.updated = true;
 }
 

src/nostalgia/core/studio/paletteeditor-imgui.cpp

@@ -52,13 +52,14 @@ void PaletteEditorImGui::draw(turbine::Context*) noexcept {
 			{
 				const auto sz = ImVec2(70, 24);
 				if (ImGui::Button("Add", sz)) {
-					undoStack()->push(ox::make<AddColorCommand>(&m_pal, 0, m_pal.colors.size()));
+					const auto colorSz = static_cast<int>(m_pal.colors.size());
+					undoStack()->push(ox::make<AddColorCommand>(&m_pal, 0, colorSz));
 				}
 				ImGui::SameLine();
 				ImGui::BeginDisabled(m_selectedRow >= m_pal.colors.size());
 				{
 					if (ImGui::Button("Remove", sz)) {
-						undoStack()->push(ox::make<RemoveColorCommand>(&m_pal, m_pal.colors[static_cast<std::size_t>(m_selectedRow)], m_selectedRow));
+						undoStack()->push(ox::make<RemoveColorCommand>(&m_pal, m_pal.colors[static_cast<std::size_t>(m_selectedRow)], static_cast<int>(m_selectedRow)));
 						m_selectedRow = ox::min(m_pal.colors.size() - 1, m_selectedRow);
 					}
 					ImGui::SameLine();
@@ -134,7 +135,7 @@ void PaletteEditorImGui::draw(turbine::Context*) noexcept {
 				ImGui::InputInt("Blue", &b, 1, 5);
 				const auto newColor = color16(r, g, b, a);
 				if (c != newColor) {
-					undoStack()->push(ox::make<UpdateColorCommand>(&m_pal, m_selectedRow, c, newColor));
+					undoStack()->push(ox::make<UpdateColorCommand>(&m_pal, static_cast<int>(m_selectedRow), c, newColor));
 				}
 			}
 			ImGui::EndChild();

src/nostalgia/core/tilesheet.hpp

@@ -279,7 +279,8 @@ struct TileSheet {
 		 */
 		[[nodiscard]]
 		constexpr unsigned pixelCnt(int8_t pBpp) const noexcept {
-			return pBpp == 4 ? pixels.size() * 2 : pixels.size();
+			const auto pixelsSize = static_cast<unsigned>(pixels.size());
+			return pBpp == 4 ? pixelsSize * 2 : pixelsSize;
 		}
 
 		/**