/
main.go
108 lines (85 loc) · 1.53 KB
/
main.go
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package main
import (
"bufio"
"fmt"
"log"
"os"
"os/exec"
"github.com/danicat/simpleansi"
)
var maze []string
func loadMaze(file string) error {
f, err := os.Open(file)
if err != nil {
return err
}
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
maze = append(maze, line)
}
return nil
}
func printScreen() {
simpleansi.ClearScreen()
for _, line := range maze {
fmt.Println(line)
}
}
func readInput() (string, error) {
buffer := make([]byte, 100)
cnt, err := os.Stdin.Read(buffer)
if err != nil {
return "", err
}
if cnt == 1 && buffer[0] == 0x1b {
return "ESC", nil
}
return "", nil
}
func initialise() {
cbTerm := exec.Command("stty", "cbreak", "-echo")
cbTerm.Stdin = os.Stdin
err := cbTerm.Run()
if err != nil {
log.Fatalln("unable to activate cbreak mode:", err)
}
}
func cleanup() {
cookedTerm := exec.Command("stty", "-cbreak", "echo")
cookedTerm.Stdin = os.Stdin
err := cookedTerm.Run()
if err != nil {
log.Fatalln("unable to activate cooked mode:", err)
}
}
func main() {
// initialise game
initialise()
defer cleanup()
// load resources
err := loadMaze("maze01.txt")
if err != nil {
log.Println("failed to load maze:", err)
return
}
// game loop
for {
// update screen
printScreen()
// process input
input, err := readInput()
if err != nil {
log.Println("error reading input:", err)
break
}
// process movement
// process collisions
// check game over
if input == "ESC" {
break
}
// repeat
}
}