bendn's repos / tetris
tetris
Diffstat (limited to 'TetrisPiece.gd')
-rw-r--r--TetrisPiece.gd74
1 files changed, 74 insertions, 0 deletions
diff --git a/TetrisPiece.gd b/TetrisPiece.gd
new file mode 100644
index 0000000..9d9dc38
--- /dev/null
+++ b/TetrisPiece.gd
@@ -0,0 +1,74 @@
+extends Resource
+class_name TetrisPiece
+
+var shape_type: int
+var shape := []
+var position: Vector2
+
+
+func _init(pos: Vector2) -> void:
+ position = pos
+ randomize()
+ shape_type = randi() % len(Logic.shapes)
+ var s: PoolIntArray = [0, 0, 0, 0]
+ s.append_array(Logic.shapes[shape_type])
+
+ for y in range(4):
+ shape.append([])
+ for x in range(4):
+ var i: int = y * 4 + x
+ if len(s) > i and s[i] > 0:
+ shape[y].append(1)
+ else:
+ shape[y].append(0)
+
+
+# 90 deg
+func _rotate_cw() -> void:
+ var new_shape = shape.duplicate(true)
+ new_shape[0][0] = shape[3][0]
+ new_shape[0][1] = shape[2][0]
+ new_shape[0][2] = shape[1][0]
+ new_shape[0][3] = shape[0][0]
+ new_shape[1][3] = shape[0][1]
+ new_shape[2][3] = shape[0][2]
+ new_shape[3][3] = shape[0][3]
+ new_shape[3][2] = shape[1][3]
+ new_shape[3][1] = shape[2][3]
+ new_shape[3][0] = shape[3][3]
+ new_shape[2][0] = shape[3][2]
+ new_shape[1][0] = shape[3][1]
+
+ new_shape[1][1] = shape[2][1]
+ new_shape[1][2] = shape[1][1]
+ new_shape[2][2] = shape[1][2]
+ new_shape[2][1] = shape[2][2]
+ shape = new_shape
+
+
+func embed(matrix: Array) -> Array:
+ for y in range(4):
+ for x in range(4):
+ if shape[y][x] > 0:
+ matrix[y + position.y][x + position.x] = 1 + shape_type
+ return matrix
+
+
+func move(direction: Vector2, matrix: Array) -> bool:
+ if Logic.valid_move(matrix, self, direction):
+ position += direction
+ return true
+ return false
+
+
+func rotate(matrix: Array, cw := true):
+ var s = shape.duplicate(true)
+ if cw:
+ _rotate_cw()
+ else:
+ for _i in range(3):
+ _rotate_cw()
+ if !Logic.valid_move(matrix, self):
+ shape = s
+ return false
+ return true