Refactor: Simplify window creation by limiting it to a single window per namespace.

src/gui/GuiWindow.zig

@@ -56,7 +56,8 @@ relativePosition: [2]RelativePosition = .{.{.ratio = 0.5}, .{.ratio = 0.5}},
 showTitleBar: bool = true,
 title: []const u8 = "",
 id: []const u8,
-components: []GuiComponent,
+components: []GuiComponent = &.{},
+isHud: bool = false,
 
 /// Called every frame.
 renderFn: *const fn()Allocator.Error!void = &defaultErrorFunction,

src/gui/gui.zig

@@ -35,7 +35,7 @@ pub fn init(_allocator: Allocator) !void {
 	hudWindows = std.ArrayList(*GuiWindow).init(allocator);
 	openWindows = std.ArrayList(*GuiWindow).init(allocator);
 	inline for(@typeInfo(windowlist).Struct.decls) |decl| {
-		try @field(windowlist, decl.name).init();
+		try addWindow(&@field(windowlist, decl.name).window);
 	}
 	try GuiWindow.__init();
 	try Button.__init();
@@ -174,14 +174,14 @@ pub fn updateGuiScale() void {
 	}
 }
 
-pub fn addWindow(window: *GuiWindow, isHudWindow: bool) !void {
+fn addWindow(window: *GuiWindow) !void {
 	for(windowList.items) |other| {
 		if(std.mem.eql(u8, window.id, other.id)) {
 			std.log.err("Duplicate window id: {s}", .{window.id});
 			return;
 		}
 	}
-	if(isHudWindow) {
+	if(window.isHud) {
 		try hudWindows.append(window);
 		window.showTitleBar = false;
 	}

src/gui/windows/change_name.zig

@@ -13,19 +13,15 @@ const Label = @import("../components/Label.zig");
 const TextInput = @import("../components/TextInput.zig");
 const VerticalList = @import("../components/VerticalList.zig");
 
-var window: GuiWindow = undefined;
 var components: [1]GuiComponent = undefined;
-pub fn init() !void {
-	window = GuiWindow{
+pub var window = GuiWindow {
 	.contentSize = Vec2f{128, 256},
 	.id = "cubyz:change_name",
 	.title = "Change Name",
 	.onOpenFn = &onOpen,
 	.onCloseFn = &onClose,
 	.components = &components,
-	};
-	try gui.addWindow(&window, true);
-}
+};
 
 const padding: f32 = 8;
 

src/gui/windows/controls.zig

@@ -11,10 +11,8 @@ const Button = @import("../components/Button.zig");
 const Label = @import("../components/Label.zig");
 const VerticalList = @import("../components/VerticalList.zig");
 
-var window: GuiWindow = undefined;
 var components: [1]GuiComponent = undefined;
-pub fn init() !void {
-	window = GuiWindow{
+pub var window = GuiWindow {
 	.contentSize = Vec2f{128, 256},
 	.id = "cubyz:controls",
 	.title = "Controls",
@@ -22,9 +20,7 @@ pub fn init() !void {
 	.onCloseFn = &onClose,
 	.renderFn = &render,
 	.components = &components,
-	};
-	try gui.addWindow(&window, true);
-}
+};
 
 const padding: f32 = 8;
 var selectedKey: ?*main.Key = null;

src/gui/windows/graphics.zig

@@ -13,19 +13,15 @@ const CheckBox = @import("../components/CheckBox.zig");
 const Slider = @import("../components/Slider.zig");
 const VerticalList = @import("../components/VerticalList.zig");
 
-var window: GuiWindow = undefined;
 var components: [1]GuiComponent = undefined;
-pub fn init() !void {
-	window = GuiWindow{
+pub var window = GuiWindow {
 	.contentSize = Vec2f{128, 256},
 	.id = "cubyz:graphics",
 	.title = "Graphics",
 	.onOpenFn = &onOpen,
 	.onCloseFn = &onClose,
 	.components = &components,
-	};
-	try gui.addWindow(&window, true);
-}
+};
 
 const padding: f32 = 8;
 

src/gui/windows/healthbar.zig

@@ -8,17 +8,13 @@ const gui = @import("../gui.zig");
 const GuiWindow = gui.GuiWindow;
 const GuiComponent = gui.GuiComponent;
 
-var healthbarWindow: GuiWindow = undefined;
-pub fn init() !void {
-	healthbarWindow = GuiWindow{
+pub var window = GuiWindow {
 	.contentSize = Vec2f{128, 16},
 	.title = "Health Bar",
 	.id = "cubyz:healthbar",
 	.renderFn = &render,
-		.components = &[_]GuiComponent{},
-	};
-	try gui.addWindow(&healthbarWindow, true);
-}
+	.isHud = true,
+};
 
 pub fn render() Allocator.Error!void {
 

src/gui/windows/hotbar.zig

@@ -8,35 +8,14 @@ const gui = @import("../gui.zig");
 const GuiComponent = gui.GuiComponent;
 const GuiWindow = gui.GuiWindow;
 
-var hotbarWindow: GuiWindow = undefined;
-var hotbarWindow2: GuiWindow = undefined;
-var hotbarWindow3: GuiWindow = undefined;
-pub fn init() !void {
-	hotbarWindow = GuiWindow {
+pub var window = GuiWindow {
 	.contentSize = Vec2f{64*8, 64},
 	.title = "Hotbar",
 	.id = "cubyz:hotbar",
 	.renderFn = &render,
 	.components = &[_]GuiComponent{},
-	};
-	try gui.addWindow(&hotbarWindow, true);
-	hotbarWindow2 = GuiWindow {
-		.contentSize = Vec2f{64*8, 64},
-		.title = "Hotbar2",
-		.id = "cubyz:hotbar2",
-		.renderFn = &render,
-		.components = &[_]GuiComponent{},
-	};
-	try gui.addWindow(&hotbarWindow2, true);
-	hotbarWindow3 = GuiWindow {
-		.contentSize = Vec2f{64*8, 64},
-		.title = "Hotbar3",
-		.id = "cubyz:hotbar3",
-		.renderFn = &render,
-		.components = &[_]GuiComponent{},
-	};
-	try gui.addWindow(&hotbarWindow3, true);
-}
+	.isHud = true,
+};
 
 pub fn render() Allocator.Error!void {
 

src/gui/windows/main.zig

@@ -10,18 +10,14 @@ const GuiWindow = gui.GuiWindow;
 const Button = @import("../components/Button.zig");
 const VerticalList = @import("../components/VerticalList.zig");
 
-var window: GuiWindow = undefined;
 var components: [1]GuiComponent = undefined;
-pub fn init() !void {
-	window = GuiWindow{
+pub var window = GuiWindow {
 	.contentSize = Vec2f{128, 256},
 	.id = "cubyz:main",
 	.onOpenFn = &onOpen,
 	.onCloseFn = &onClose,
 	.components = &components,
-	};
-	try gui.addWindow(&window, true);
-}
+};
 
 pub fn buttonCallbackTest() void {
 	std.log.info("Clicked!", .{});

src/gui/windows/multiplayer.zig

@@ -14,19 +14,15 @@ const Label = @import("../components/Label.zig");
 const TextInput = @import("../components/TextInput.zig");
 const VerticalList = @import("../components/VerticalList.zig");
 
-var window: GuiWindow = undefined;
 var components: [1]GuiComponent = undefined;
-pub fn init() !void {
-	window = GuiWindow{
+pub var window = GuiWindow {
 	.contentSize = Vec2f{128, 256},
 	.id = "cubyz:multiplayer",
 	.title = "Multiplayer",
 	.onOpenFn = &onOpen,
 	.onCloseFn = &onClose,
 	.components = &components,
-	};
-	try gui.addWindow(&window, true);
-}
+};
 
 const padding: f32 = 8;
 

src/gui/windows/settings.zig

@@ -10,19 +10,15 @@ const GuiWindow = gui.GuiWindow;
 const Button = @import("../components/Button.zig");
 const VerticalList = @import("../components/VerticalList.zig");
 
-var window: GuiWindow = undefined;
 var components: [1]GuiComponent = undefined;
-pub fn init() !void {
-	window = GuiWindow{
+pub var window: GuiWindow = GuiWindow {
 	.contentSize = Vec2f{128, 256},
 	.id = "cubyz:settings",
 	.title = "Settings",
 	.onOpenFn = &onOpen,
 	.onCloseFn = &onClose,
 	.components = &components,
-	};
-	try gui.addWindow(&window, true);
-}
+};
 
 const padding: f32 = 8;
 

src/gui/windows/sound.zig

@@ -10,19 +10,15 @@ const GuiWindow = gui.GuiWindow;
 const Button = @import("../components/Button.zig");
 const VerticalList = @import("../components/VerticalList.zig");
 
-var window: GuiWindow = undefined;
 var components: [1]GuiComponent = undefined;
-pub fn init() !void {
-	window = GuiWindow{
+pub var window = GuiWindow {
 	.contentSize = Vec2f{128, 256},
 	.id = "cubyz:sound",
 	.title = "Sound TODO",
 	.onOpenFn = &onOpen,
 	.onCloseFn = &onClose,
 	.components = &components,
-	};
-	try gui.addWindow(&window, true);
-}
+};
 
 const padding: f32 = 8;
 

src/main.zig

@@ -500,10 +500,6 @@ pub fn main() !void {
 	if(settings.playerName.len == 0) {
 		try gui.openWindow("cubyz:change_name");
 	} else {
-		try gui.openWindow("cubyz:hotbar");
-		try gui.openWindow("cubyz:hotbar2");
-		try gui.openWindow("cubyz:hotbar3");
-		try gui.openWindow("cubyz:healthbar");
 		try gui.openWindow("cubyz:main");
 	}