who needs textures?

1 files changed, 19 insertions, 6 deletions

diff --git a/src/map.c b/src/map.c
index cdaaf72..dc0826d 100644
--- a/src/map.c
+++ b/src/map.c
@@ -40,7 +40,7 @@ int
 map_get(int x, int y)
 {
 	if (x < 0 || y < 0 || x >= map_width() || y >= map_height())
-		return 0;
+		return 1;
 	return maps[map_id][x + y * map_width()];
 }
 
@@ -48,17 +48,30 @@ int
 map_get_px(int x, int y)
 {
 	if (x < 0 || y < 0)
-		return 0;
+		return 1;
 	return map_get(x / TSIZE, y / TSIZE);
 }
 
+static void
+draw_outline(int x, int y)
+{
+	const int left = (map_get(x - 1, y) == 1);
+	const int right = (map_get(x + 1, y) == 1);
+	const int up = (map_get(x, y - 1) == 1);
+	const int down = (map_get(x, y + 1) == 1);
+	x *= TSIZE;
+	y *= TSIZE;
+	if (!left)  LZY_DrawRect(x, y, 1, TSIZE);
+	if (!right) LZY_DrawRect(x + TSIZE - 1, y, 1, TSIZE);
+	if (!up)    LZY_DrawRect(x, y, TSIZE, 1);
+	if (!down)  LZY_DrawRect(x, y + TSIZE - 1, TSIZE, 1);
+}
+
 void
 map_draw(void)
 {
 	for (int y = 0; y < map_height(); y++)
 		for (int x = 0; x < map_width(); x++)
-			if (maps[map_id][x + y * map_width()] == 1) {
-				LZY_DrawSetColor(BLACK);
-				LZY_DrawTile(2, x * 16, y * 16);
-			}
+			if (map_get(x, y) == 1)
+				draw_outline(x, y);
 }