Define maze struct

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
+}