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62 lines
936 B

package main
import "fmt"
type board [][]byte
func makeBoard(size int) board {
var b board
for i := 0; i < size; i++ {
row := make([]byte, size)
for j := range row {
row[j] = dot
}
b = append(b, row)
}
return b
}
func (b board) print() {
for i := range b {
fmt.Println(string(b[i]))
}
}
func (b board) check(i, j int, t tetrimino) bool {
for y := range t {
for x := range t[y] {
if t[y][x] != hashTag {
continue
}
if i+y >= len(b) || j+x >= len(b[i+y]) {
return false
}
if b[i+y][j+x] != dot {
return false
}
}
}
return true
}
func (b board) put(i, j, idx int, t tetrimino) {
for y := range t {
for x := range t[y] {
if t[y][x] != hashTag {
continue
}
b[i+y][j+x] = byte(idx + 'A')
}
}
}
func (b board) remove(i, j int, t tetrimino) {
for y := range t {
for x := range t[y] {
if t[y][x] != hashTag {
continue
}
b[i+y][j+x] = dot
}
}
}