~octaspire/crates2

ref: e55f1389f279a523501a6dc5328c2ea1b56d0669 crates2/src/crate.lisp -rw-r--r-- 1.4 KiB
e55f1389octaspire Add 'Pass Counter' and delayed attach, fix wall collisions 1 year, 4 months ago
                                                                                
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
;; Octaspire Crates 2 - Puzzle Game
;; Copyright 2020 octaspire.com
;;
;; Licensed under the Apache License, Version 2.0 (the "License");
;; you may not use this file except in compliance with the License.
;; You may obtain a copy of the License at
;;
;; http://www.apache.org/licenses/LICENSE-2.0
;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.
(in-package :crates2)

;; Generic functions

(defgeneric update (self)
  (:documentation "Update a crate"))

(defgeneric east (self)
  (:documentation "Handle east event. Doesn't have to be movement related."))

(defgeneric west (self)
  (:documentation "Handle west event. Doesn't have to be movement related."))

(defgeneric north (self)
  (:documentation "Handle north event. Doesn't have to be movement related."))

(defgeneric south (self)
  (:documentation "Handle south event. Doesn't have to be movement related."))

(defgeneric visual (self)
  (:documentation "Get visual representation for a crate"))

(defgeneric handle-input (self input)
  (:documentation "React to input"))

;; Methods

(defmethod update ((self crate)))

(defmethod visual ((self crate))
  (when (crate-visible self)
    (call-next-method)))