From 39d3a3c542bf2848abda61185c1fb5b68de31031 Mon Sep 17 00:00:00 2001
From: ubq323 <ubq323@ubq323.website>
Date: Sun, 12 Nov 2023 18:47:47 +0000
Subject: h

---
 main.ha | 55 ++++++++++++++++++++++++++++++-------------------------
 ui.ha   | 39 ---------------------------------------
 2 files changed, 30 insertions(+), 64 deletions(-)
 delete mode 100644 ui.ha

diff --git a/main.ha b/main.ha
index 9009947..41917c8 100644
--- a/main.ha
+++ b/main.ha
@@ -1,4 +1,7 @@
 use math::random;
+use vt;
+use io;
+use os;
 
 type player = struct {
 	x: int,
@@ -26,48 +29,51 @@ fn set_tile_at(r: room, x: size, y: size, t: tile) void = {
 	r.tiles[ix] = t;
 };
 
-fn tile_repr(t: tile) str = match (t) {
-	case wall => yield  "\x1b[90m\u2588";
-	case floor => yield "\x1b[37m.";
+fn get_key() u8 = {
+	let b = [0u8];
+	io::read(os::stdin_file, b)!;
+	return b[0];
 };
 
-fn draw_room(r: room) void = {
-	assert(r.w < 20);
-	assert(r.h < 20);
-	for (let x = 0z; x < r.w; x+=1)
-		for (let y = 0z; y < r.h; y+=1)
-			put_at(x:int,y:int, tile_repr(tile_at(r,x,y)));
-};
+def W = 50;
+def H = 90;
 
 
 export fn main() void = {
-	const term = setup_term();
+	const term = vt::open();
+	defer vt::close(term);
 
-	const tiles: [100]tile = [floor...];
-	const room = room { w=10, h=10, tiles=tiles };
+	vt::enablealt(term)!;
+	vt::disablecur(term)!;
 
-	for (let i = 0z; i < 10; i+=1) {
-		set_tile_at(room, 0, i, wall);
-		set_tile_at(room, 9, i, wall);
+	const tiles: [W*H]tile = [floor...];
+	const room = room { w=W, h=H, tiles=tiles };
+
+	for (let i = 0z; i < W; i+=1) {
 		set_tile_at(room, i, 0, wall);
-		set_tile_at(room, i, 9, wall);
+		set_tile_at(room, i, H-1, wall);
+	};
+	for (let i = 0z; i < H; i+=1) {
+		set_tile_at(room, 0, i, wall);
+		set_tile_at(room, W-1, i, wall);
 	};
 
 	let rand = random::init(12345);
 	for (let i = 0; i < 6; i+=1) {
-		const x = (random::u64n(&rand, 9)+1): size;
-		const y = (random::u64n(&rand, 9)+1): size;
+		const x = (random::u64n(&rand, W-2)+1): size;
+		const y = (random::u64n(&rand, H-2)+1): size;
 		set_tile_at(room, x,y, wall);
 	};
 
-
-
-
 	let player = player { x=1, y=1 };
+	const playerpen = vt::newpen(vt::color::BLACK, vt::color::RED);
+	const playerstr = vt::tag(playerpen, "@");
+
 	for (true) {
-		clear();
+		vt::clear(term)!;
 		draw_room(room);
-		put_at(player.x, player.y, "@");
+		vt::move(term, player.y:uint+1, player.x:uint+1)!;
+		vt::print(term, playerstr)!;
 		const c = get_key(): rune;
 		let nx = player.x;
 		let ny = player.y;
@@ -85,7 +91,6 @@ export fn main() void = {
 		};
 	};
 
-	finish_term(&term);
 };
 
 
diff --git a/ui.ha b/ui.ha
deleted file mode 100644
index 31a1865..0000000
--- a/ui.ha
+++ /dev/null
@@ -1,39 +0,0 @@
-use fmt;
-use io;
-use os;
-use unix::tty;
-
-fn clear() void = {
-	fmt::fprint(os::stdout_file, "\x1b[H\x1b[2J\x1b[3J")!;
-};
-
-fn put_at(x: int, y: int, s: str) void = {
-	// 0 indexed!
-	fmt::fprintf(os::stdout_file, "\x1b[{};{}H{}", y+1,x+1, s)!;
-};
-
-fn get_key() u8 = {
-	// bad
-	let b = [0u8];
-	io::read(os::stdin_file, b)!;
-	return b[0];
-};
-
-fn setup_term() tty::termios = {
-	const term = tty::termios_query(os::stdin_file)!;
-	tty::makeraw(&term)!;
-
-	// alternate screen, hide cursor
-	fmt::fprint(os::stdout_file, "\x1b[?1049h\x1b[?25l")!;
-
-	clear();
-
-	return term;
-};
-
-fn finish_term(term: *tty::termios) void = {
-	// normal screen, show cursor
-	fmt::fprint(os::stdout_file, "\x1b[?1049l\x1b[?25h")!;
-
-	tty::termios_restore(term);
-};
-- 
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