From a4875fc79bba0040a560850a0cd38d757665b76e Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik.hautakoski@gmail.com>
Date: Fri, 18 Jul 2025 20:05:05 +0200
Subject: [PATCH] Define maze struct

---
 world/maze.go | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 world/maze.go

diff --git a/world/maze.go b/world/maze.go
new file mode 100644
index 0000000..fde5281
--- /dev/null
+++ b/world/maze.go
@@ -0,0 +1,52 @@
+package world
+
+import (
+	"pacman/assets"
+)
+
+const (
+	MAZE_WIDTH  = assets.MAZE_WIDTH
+	MAZE_HEIGHT = assets.MAZE_HEIGHT
+)
+
+type Maze [MAZE_WIDTH * MAZE_HEIGHT]assets.Tile
+
+// Create a new maze and load data.
+func NewMaze(data []byte) Maze {
+	m := Maze{}
+	m.Load(data)
+	return m
+}
+
+// Load data into maze.
+func (m *Maze) Load(data []byte) {
+	n_bytes := m.readMaze(data)
+
+	for i := n_bytes; i < len(m); i++ {
+		m[i] = 0
+	}
+}
+
+// Read maze data.
+func (m *Maze) readMaze(data []byte) int {
+	i := 0
+	for _, x := range data {
+		if x == '\n' {
+			continue
+		}
+		m[i] = assets.Tile(x)
+		i++
+		if i >= len(m) {
+			break
+		}
+	}
+	return i
+}
+
+func (m Maze) At(x, y uint8) assets.Tile {
+	return m[uint16(x)+(uint16(y)*MAZE_WIDTH)]
+}
+
+func (m *Maze) Set(x, y uint8, value assets.Tile) {
+	m[uint16(x)+(uint16(y)*MAZE_WIDTH)] = value
+}