graphics: add text message rendering (and sans ig)

1 files changed, 63 insertions, 5 deletions

diff --git a/graphics/src/render.rs b/graphics/src/render.rs
index 340189b..996aa37 100644
--- a/graphics/src/render.rs
+++ b/graphics/src/render.rs
@@ -496,13 +496,16 @@ impl Renderer {
 
 		if self.debug {
 			self.draw_debug_ui(r, dungeon);
-			return;
+		} else {
+			// Draw core ui components
+			self.draw_minimap(r, dungeon);
+			self.draw_inventory(r, &dungeon.player);
+			self.draw_stats(r, &dungeon.player);
 		}
 
-		// Draw core ui components
-		self.draw_minimap(r, dungeon);
-		self.draw_inventory(r, &dungeon.player);
-		self.draw_stats(r, &dungeon.player);
+		if let Some(buf) = dungeon.msg.current() {
+			self.draw_msg(r, buf);
+		}
 	}
 
 	/// Draw in game minimap
@@ -686,6 +689,61 @@ impl Renderer {
 		draw_text!(self, r, UI_COL2, UI_ROW3, "FRAME {frame}");
 	}
 
+	/// Draw msg box
+	fn draw_msg<R>(&self, r: &mut R, msg: &[u8])
+	where
+		R: RaylibDraw,
+	{
+		const MAX_LINES: u16 = 5;
+		const MSG_LEN: u16 = 20;
+
+		const HEIGHT: u16 = MAX_LINES * FONT_SIZE + UI_PADDING * 2;
+		const WIDTH: u16 = MSG_LEN * FONT_SIZE + UI_PADDING * 2;
+		const X: u16 = RENDER_WIDTH / 2 - WIDTH / 2;
+		const Y: u16 = RENDER_HEIGHT - HEIGHT - UI_PADDING;
+
+		// draw background
+		r.draw_rectangle(
+			X.into(),
+			Y.into(),
+			WIDTH.into(),
+			HEIGHT.into(),
+			Color::BLACK,
+		);
+		r.draw_rectangle_lines(
+			X.into(),
+			Y.into(),
+			WIDTH.into(),
+			HEIGHT.into(),
+			Color::WHITE,
+		);
+
+		let mut x = 0;
+		let mut y = 0;
+
+		let words = msg.split(u8::is_ascii_whitespace);
+		for word in words {
+			let left = MSG_LEN.saturating_sub(x);
+			if word.len() > left as usize {
+				y += 1;
+				x = 0;
+			}
+
+			for char in word {
+				self.draw_char(
+					r,
+					*char,
+					X + UI_PADDING + x * FONT_SIZE,
+					Y + UI_PADDING + y * FONT_SIZE,
+				);
+
+				x += 1;
+			}
+
+			x += 1;
+		}
+	}
+
 	/// Draws vertical text
 	fn draw_text_vertical<R>(&self, r: &mut R, text: &[u8], x: u16, y_start: u16)
 	where