From ec184715933b200558e8a0fe040f8948661c7eaf Mon Sep 17 00:00:00 2001
From: Mike White <botahamec@outlook.com>
Date: Mon, 23 Aug 2021 21:22:26 -0400
Subject: Created a basic UI that displays a single position

---
 ui/src/main.rs | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 ui/src/main.rs

(limited to 'ui/src')

diff --git a/ui/src/main.rs b/ui/src/main.rs
new file mode 100644
index 0000000..166b1ae
--- /dev/null
+++ b/ui/src/main.rs
@@ -0,0 +1,90 @@
+use model::{CheckersBitBoard, PieceColor};
+use tetra::graphics::{self, Color, DrawParams, Texture};
+use tetra::math::Vec2;
+use tetra::{Context, ContextBuilder, State};
+
+const WINDOW_WIDTH: f32 = 640.0;
+const WINDOW_HEIGHT: f32 = 480.0;
+const DARK_SLATE_BLUE: Color = Color::rgb(0.2823529, 0.2392157, 0.5450980);
+
+struct GameState {
+	chess_board: Texture,
+	dark_piece: Texture,
+	light_piece: Texture,
+	dark_king: Texture,
+	light_king: Texture,
+	bit_board: CheckersBitBoard,
+}
+
+impl GameState {
+	fn new(ctx: &mut Context) -> tetra::Result<Self> {
+		Ok(GameState {
+			chess_board: Texture::new(ctx, "./ui/resources/chess_board.png")?,
+			dark_piece: Texture::new(ctx, "./ui/resources/red_piece.png")?,
+			light_piece: Texture::new(ctx, "./ui/resources/white_piece.png")?,
+			dark_king: Texture::new(ctx, "./ui/resources/red_king.png")?,
+			light_king: Texture::new(ctx, "./ui/resources/white_king.png")?,
+			bit_board: CheckersBitBoard::starting_position(),
+		})
+	}
+}
+
+impl State for GameState {
+	fn draw(&mut self, ctx: &mut Context) -> tetra::Result {
+		graphics::clear(ctx, DARK_SLATE_BLUE);
+
+		let board_draw_params = DrawParams::new()
+			.position(Vec2::new(120.0, 40.0))
+			.scale(Vec2::new(0.4938272, 0.4938272));
+
+		self.chess_board.draw(ctx, board_draw_params);
+
+		for row in 0..8 {
+			for col in 0..8 {
+				if let Some(piece) = self.bit_board.get_at_row_col(row, col) {
+					let piece_draw_params = DrawParams::new()
+						.position(Vec2::new(
+							130.0 + (50.0 * col as f32),
+							400.0 - (50.0 * row as f32),
+						))
+						.scale(Vec2::new(0.3, 0.3));
+
+					match piece.color() {
+						PieceColor::Dark => {
+							if piece.is_king() {
+								self.dark_king.draw(ctx, piece_draw_params)
+							} else {
+								self.dark_piece.draw(ctx, piece_draw_params)
+							}
+						}
+						PieceColor::Light => {
+							if piece.is_king() {
+								self.light_king.draw(ctx, piece_draw_params)
+							} else {
+								self.light_piece.draw(ctx, piece_draw_params)
+							}
+						}
+					}
+				}
+			}
+		}
+
+		Ok(())
+	}
+}
+
+fn main() -> tetra::Result {
+	let title = "Checkers with Ampere";
+	let mut builder = ContextBuilder::new(title, WINDOW_WIDTH as i32, WINDOW_HEIGHT as i32);
+
+	builder.show_mouse(true);
+	builder.quit_on_escape(true);
+
+	if cfg!(debug_assertions) {
+		builder.debug_info(true);
+	} else {
+		builder.debug_info(false);
+	}
+
+	builder.build()?.run(GameState::new)
+}
-- 
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