Named the game (Jungle Tale).

README.md

@@ -4,7 +4,7 @@
 
 **Attention**: make sure the working directory contains the `src/assets/...` directory otherwise the application will crash (reporting a "FailedToLoadBitmap" error).
 
-If you unzip the binaries package or build from sources this means that the root of the zip/sources is your working directory and you're executing `./zig-out/bin/tins2023` or `.\zig-out\bin\tins2023.exe`.
+If you unzip the binaries package or build from sources this means that the root of the zip/sources is your working directory and you're executing `./zig-out/bin/jungle_tale` or `.\zig-out\bin\jungle_tale.exe`.
 
 # Rules
 
@@ -56,7 +56,7 @@ Build:
 `zig build`
 
 And run (after building):
-`./zig-out/bin/tins2023`
+`./zig-out/bin/jungle_tale`
 
 Build & run automatically:
 `zig build run`

allegro/allegro.zig

@@ -65,6 +65,10 @@ pub const Bitmap = struct {
         return getBitmapHeight(self);
     }
 
+    pub fn heightF(self: Bitmap) f32 {
+        return @intToFloat(f32, self.height());
+    }
+
     pub fn sub(self: Bitmap, x: i32, y: i32, w: i32, h: i32) !Bitmap {
         return createSubBitmap(self, x, y, w, h);
     }
@@ -72,6 +76,10 @@ pub const Bitmap = struct {
     pub fn width(self: Bitmap) i32 {
         return getBitmapWidth(self);
     }
+
+    pub fn widthF(self: Bitmap) f32 {
+        return @intToFloat(f32, self.width());
+    }
 };
 
 pub const Color = struct {
@@ -119,9 +127,21 @@ pub const Display = struct {
         return getDisplayHeight(self);
     }
 
+    pub fn heightF(self: Display) f32 {
+        return @intToFloat(f32, self.height());
+    }
+
+    pub fn setTitle(self: Display, title: []const u8) void {
+        setWindowTitle(self, title);
+    }
+
     pub fn width(self: Display) i32 {
         return getDisplayWidth(self);
     }
+
+    pub fn widthF(self: Display) f32 {
+        return @intToFloat(f32, self.width());
+    }
 };
 
 pub const DrawFlags = packed struct(c_int) {
@@ -708,6 +728,10 @@ pub fn setNewDisplayOption(option: NewDisplayOption, value: i32, importance: Opt
     c.al_set_new_display_option(@enumToInt(option), value, @enumToInt(importance));
 }
 
+pub fn setNewWindowTitle(title: []const u8) void {
+    c.al_set_new_window_title(&title[0]);
+}
+
 pub fn setTargetBitmap(bitmap: Bitmap) void {
     c.al_set_target_bitmap(bitmap.native);
 }
@@ -716,6 +740,10 @@ pub fn setTargetBackbuffer(display: Display) void {
     c.al_set_target_bitmap(display.native);
 }
 
+pub fn setWindowTitle(display: Display, title: []const u8) void {
+    c.al_set_window_title(display.native, &title[0]);
+}
+
 pub fn startTimer(timer: Timer) void {
     c.al_start_timer(timer.native);
 }

build.zig

@@ -19,7 +19,7 @@ pub fn build(b: *std.Build) void {
     const optimize = b.standardOptimizeOption(.{});
 
     const exe = b.addExecutable(.{
-        .name = "tins2023",
+        .name = "jungle_tale",
         // In this case the main source file is merely a path, however, in more
         // complicated build scripts, this could be a generated file.
         .root_source_file = .{ .path = "src/main.zig" },

src/context.zig

@@ -50,6 +50,7 @@ pub const Context = struct {
         // allegro.setNewDisplayOption(allegro.NewDisplayOption.SAMPLE_BUFFERS, 1, allegro.OptionImportance.REQUIRE);
         // allegro.setNewDisplayOption(allegro.NewDisplayOption.SAMPLES, 4, allegro.OptionImportance.REQUIRE);
         allegro.setNewDisplayFlags(allegro.NewDisplayFlags{ .RESIZABLE = true });
+        allegro.setNewWindowTitle("Jungle Tale");
         const display = try allegro.createDisplay(DefaultDisplayWidth, DefaultDisplayHeight);
 
         events.registerDisplay(display);

src/main.zig

@@ -39,7 +39,8 @@ pub fn main() !void {
 
     allegro.setNewBitmapFlags(allegro.NewBitmapFlags{ .MIN_LINEAR = true, .MAG_LINEAR = true });
     try renderer.textures.addFromFile("opaque", paths.AssetsDir ++ "/images/opaque.png");
-    try renderer.textures.addFromFile("title_untitled", paths.AssetsDir ++ "/images/title_untitled.png");
+    try renderer.textures.addFromFile("title_screen", paths.AssetsDir ++ "/images/title_screen.jpg");
+    try renderer.textures.addFromFile("main_menu", paths.AssetsDir ++ "/images/main_menu.jpg");
     try renderer.textures.addFromFile("background_jungle", paths.AssetsDir ++ "/images/background_jungle.png");
 
     allegro.setNewBitmapFlags(allegro.NewBitmapFlags{ .MIN_LINEAR = false, .MAG_LINEAR = false });
@@ -62,7 +63,7 @@ pub fn main() !void {
 
     try context.registerFonts();
 
-    try context.switchToScene(GameScene, null);
+    try context.switchToScene(TitleScene, null);
 
     var t = allegro.getTime();
     var fpsBuffer = [_]u8{0} ** 32;

src/main_menu_scene.zig

@@ -1,6 +1,7 @@
 const allegro = @import("allegro");
 const game = @import("game.zig");
 const Context = @import("context.zig").Context;
+const GameScene = @import("game_scene.zig").GameScene;
 
 pub const MainMenuScene = struct {
     pub fn enter(self: *MainMenuScene, ctx: *Context) void {
@@ -14,12 +15,20 @@ pub const MainMenuScene = struct {
     }
 
     pub fn handle(self: *MainMenuScene, ctx: *Context, event: *allegro.Event) !void {
-        _ = event;
-        _ = ctx;
+        switch (event.type) {
+            allegro.c.ALLEGRO_EVENT_KEY_CHAR => {
+                switch (event.keyboard.keycode) {
+                    allegro.c.ALLEGRO_KEY_SPACE, allegro.c.ALLEGRO_KEY_ENTER => try ctx.switchToScene(GameScene, null),
+                    else => {},
+                }
+            },
+            else => {},
+        }
         _ = self;
     }
 
-    pub fn update(self: *MainMenuScene, ctx: *Context, dt: f32) void {
+    pub fn tick(self: *MainMenuScene, ctx: *Context, t: f32, dt: f32) void {
+        _ = t;
         _ = self;
         _ = dt;
         _ = ctx;
@@ -29,10 +38,8 @@ pub const MainMenuScene = struct {
         _ = self;
         allegro.clearToColor(ctx.palette.background.background);
 
-        const center = ctx.viewport.center();
-        ctx.textures.get("title_untitled").?.drawTintedCenteredScaled(ctx.palette.background.text, center.x, ctx.viewport.bounds.min.y + ctx.viewport.scale * 100, 0.5 * ctx.viewport.scale);
-
-        ctx.renderer.drawTextV("default", ctx.palette.background.text, 0, 0.3, game.Renderer.TextAlignment.Center, "Play game");
-        allegro.drawText(ctx.fonts.get("default").?, ctx.palette.background.text, center.x, ctx.viewport.bounds.min.y + ctx.viewport.scale * 200, allegro.DrawTextFlags.ALIGN_CENTER, "Play game");
+        ctx.renderer.drawBackground("main_menu");
+        ctx.renderer.drawTextV("default", ctx.palette.background.text, 0.5, 0.5, .Center, "Press [enter] to");
+        ctx.renderer.drawTextV("default", ctx.palette.background.text, 0.5, 0.56, .Center, "play the game.");
     }
 };

src/renderer.zig

@@ -45,6 +45,12 @@ pub const Renderer = struct {
         self.display.destroy();
     }
 
+    pub fn drawBackground(self: Renderer, textureName: []const u8) void {
+        if (self.textures.get(textureName)) |texture| {
+            allegro.drawScaledBitmap(texture, 0, 0, texture.widthF(), texture.heightF(), 0, 0, self.display.widthF(), self.display.heightF(), .{});
+        }
+    }
+
     pub fn drawSpriteFrame(self: Renderer, spriteName: []const u8, frame: usize, x: f32, y: f32) void {
         if (self.sprites.getFrame(spriteName, frame)) |sprite| {
             sprite.drawScaledUniform(x, y, self.viewport.scale);

src/title_scene.zig

@@ -19,7 +19,7 @@ pub const TitleScene = struct {
         switch (event.type) {
             allegro.c.ALLEGRO_EVENT_KEY_CHAR => {
                 switch (event.keyboard.keycode) {
-                    allegro.c.ALLEGRO_KEY_SPACE => try ctx.switchToScene(MainMenuScene, null),
+                    allegro.c.ALLEGRO_KEY_SPACE, allegro.c.ALLEGRO_KEY_ENTER => try ctx.switchToScene(MainMenuScene, null),
                     else => {},
                 }
             },
@@ -38,9 +38,6 @@ pub const TitleScene = struct {
     pub fn render(self: *TitleScene, ctx: *Context) void {
         _ = self;
         allegro.clearToColor(ctx.palette.background.background);
-        ctx.textures.get("opaque").?.drawTintedScaled(ctx.palette.tertiaryContainer.background, ctx.viewport.bounds.min.x, ctx.viewport.bounds.min.y, ctx.viewport.bounds.width(), ctx.viewport.bounds.height(), allegro.DrawFlags{});
-
-        const center = ctx.viewport.center();
-        ctx.textures.get("title_untitled").?.drawTintedCenteredScaled(ctx.palette.background.text, center.x, center.y, ctx.viewport.scale);
+        ctx.renderer.drawBackground("title_screen");
     }
 };