add entities, sort of

1 files changed, 49 insertions, 17 deletions

diff --git a/main.ha b/main.ha
index 41917c8..967e92c 100644
--- a/main.ha
+++ b/main.ha
@@ -2,10 +2,11 @@ use math::random;
 use vt;
 use io;
 use os;
+use fmt;
 
 type player = struct {
-	x: int,
-	y: int,
+	x: uint,
+	y: uint,
 };
 
 type wall = void;
@@ -29,6 +30,18 @@ fn set_tile_at(r: room, x: size, y: size, t: tile) void = {
 	r.tiles[ix] = t;
 };
 
+fn draw_room(t: *vt::term, r: room) void = {
+	for (let y = 0z; y < r.h; y+=1) {
+		vt::move(t, (y+1):uint, 0)!;
+		for (let x = 0z; x < r.w; x+=1) {
+			fmt::fprint(t, match (tile_at(r,x,y)) {
+				case floor => yield '.';
+				case wall => yield  '\u2588';
+			})!;
+		};
+	};
+};
+
 fn get_key() u8 = {
 	let b = [0u8];
 	io::read(os::stdin_file, b)!;
@@ -36,7 +49,7 @@ fn get_key() u8 = {
 };
 
 def W = 50;
-def H = 90;
+def H = 40;
 
 
 export fn main() void = {
@@ -69,26 +82,45 @@ export fn main() void = {
 	const playerpen = vt::newpen(vt::color::BLACK, vt::color::RED);
 	const playerstr = vt::tag(playerpen, "@");
 
+	let entities: []entity = [];
+	for (let i = 0u; i < 1; i += 1) {
+		append(entities, entity_new('g',vt::color::BLUE));
+		entities[i].x=i*2;
+	};
+
 	for (true) {
 		vt::clear(term)!;
-		draw_room(room);
+		draw_room(term, room);
+		for (let i = 0z; i < len(entities); i +=1)
+			entity_draw(&entities[i], term);
+
 		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;
-		switch (c) {
-			case 'h' =>	nx -= 1;
-			case 'l' => nx += 1;
-			case 'j' => ny += 1;
-			case 'k' => ny -= 1;
-			case 'q' => break;
-			case => yield;
+
+
+		match (get_input(term)) {
+		case let m: move => {
+			let nx = player.x;
+			let ny = player.y;
+			switch (m) {
+			case move::UP => ny -= 1;
+			case move::DOWN => ny += 1;
+			case move::LEFT => nx -= 1;
+			case move::RIGHT => nx += 1;
+			};
+
+			if (tile_at(room, nx: size, ny: size) is floor) {
+				player.x = nx;
+				player.y = ny;
+			};
 		};
-		if (tile_at(room, nx:size, ny:size) is floor) {
-			player.x = nx;
-			player.y = ny;
+		case quit => break;
+		case => yield;
 		};
+
+		for (let i = 0z; i < len(entities); i += 1)
+			entity_tick(&entities[i],&room);
+
 	};
 
 };