leveleditor.lisp

   1 ;;; Copyright 2009 Christoph Senjak
   2
   3 (in-package :uxul-world-leveleditor)
   4
   5 (defparameter *leveleditor-images* nil)
   6
   7 (defun stretched-image (img)
   8   "Call ImageMagick to resize that file to 32x32."
   9   (lisp-magick:with-magick-wand (mywand)
  10     (lisp-magick::magick-read-image-blob mywand img)
  11     (lisp-magick::magick-resize-image mywand 32 32 #x00000000 1d0)
  12     (lisp-magick::magick-set-format mywand "gif")
  13     (lisp-magick::magick-get-image-blob mywand)))
  14
  15 (defun annotated-image (img ann)
  16   "Add a (lower-left) annotation."
  17   (lisp-magick:with-magick-wand (mywand)
  18     (lisp-magick::magick-read-image-blob mywand img)
  19     (lisp-magick:with-drawing-wand (dw)
  20       (lisp-magick:with-pixel-wand (pw :comp (255 255 255))
  21         (lisp-magick::draw-set-text-under-color dw pw))
  22       (lisp-magick:with-pixel-wand (pw :comp (255 0 0))
  23         (lisp-magick::draw-set-fill-color dw pw))
  24       (lisp-magick:draw-annotation dw (coerce 0 'double-float) (coerce 32 'double-float) ann)
  25       (lisp-magick:magick-draw-image mywand dw))
  26     (lisp-magick::magick-set-format mywand "gif")
  27     (lisp-magick::magick-get-image-blob mywand)))
  28
  29 (defun numbered-image (img num)
  30   "Annotate the image with a number."
  31   (annotated-image img (format nil "~d" num)))
  32
  33 (defun prepare-images (&optional (care-about-initialization *leveleditor-images*))
  34   (when (not care-about-initialization)
  35     (setf *leveleditor-images* (make-hash-table))
  36     (setf (gethash 'uxul-world::uxul *leveleditor-images*) (stretched-image uxul-world::|uxul_small1|))
  37     (setf (gethash 'uxul-world::leaf *leveleditor-images*) (stretched-image uxul-world::|leaf|))
  38     (setf (gethash 'uxul-world::nasobem *leveleditor-images*) (stretched-image uxul-world::|nasobem|))
  39     (setf (gethash 'uxul-world::blue-nasobem *leveleditor-images*) (stretched-image uxul-world::|blue_nasobem|))
  40     (setf (gethash 'uxul-world::burning-marshmallow *leveleditor-images*) (stretched-image uxul-world::|burning_marshmallow_ld1|))
  41     (setf (gethash 'uxul-world::gray-stone *leveleditor-images*) (stretched-image uxul-world::|gray_stone|))
  42     (setf (gethash 'uxul-world::brown-stone *leveleditor-images*) (stretched-image uxul-world::|brown_stone|))
  43     (setf (gethash 'uxul-world::empty *leveleditor-images*) (stretched-image uxul-world::|empty|))
  44     (setf (gethash 'uxul-world::tulip *leveleditor-images*) (stretched-image uxul-world::|tulip|))
  45     (setf (gethash 'uxul-world::door *leveleditor-images*) (stretched-image uxul-world::|door|))
  46     (setf (gethash 'uxul-world::key *leveleditor-images*) (stretched-image uxul-world::|key|))
  47     (setf (gethash 'uxul-world::anchor *leveleditor-images*) (stretched-image uxul-world::|anchor|))
  48 ))
  49
  50 (defun load-image-into-tk (png)
  51   "return a tkobject with this image"
  52   (let ((name (ltk::create-name)))
  53     (ltk:format-wish "set ~A [ image create photo -data \"~A\" ]"
  54                      name (base64-encode-byteseq png))
  55     (make-instance 'ltk:tkobject :name name)))
  56
  57 (defun config-button-image (button tkobject)
  58   (ltk:format-wish "~A configure -image $~A" (ltk::widget-path button) (ltk::name tkobject)))
  59
  60 (defun item-table-to-list (item-table)
  61   "Special Function for level-editor. Returns a list of lists of the
  62 form (x y object arg1 arg2 ...)."
  63   (let ((ret nil))
  64     (maphash #'(lambda (key val)
  65                  (when val
  66                    (push (concatenate 'list (list (car key) (cdr key)) val)  ret)))
  67              item-table)
  68     ret))
  69
  70 (defun level-editor (&optional (level nil) (width 16) (height 16))
  71   ;; hack. swap "width" and "height". (too lazy to change it properly by now)
  72   (let ((nilpferd width))
  73     (setf width height)
  74     (setf height nilpferd))
  75
  76   (prepare-images)
  77   (let ((item-table (make-hash-table :test 'equal)))
  78     ;;initialize given level
  79     (dolist (item level)
  80       (setf (gethash (cons (car item) (cadr item)) item-table) (cddr item)))
  81     (ltk:with-ltk ()
  82       (let*
  83           ((uxul (load-image-into-tk (gethash 'uxul-world::uxul *leveleditor-images*)))
  84            (leaf (load-image-into-tk (gethash 'uxul-world::leaf *leveleditor-images*)))
  85            (nasobem (load-image-into-tk (gethash 'uxul-world::nasobem *leveleditor-images*)))
  86            (blue-nasobem (load-image-into-tk (gethash 'uxul-world::blue-nasobem *leveleditor-images*)))
  87            (burning-marshmallow (load-image-into-tk (gethash 'uxul-world::burning-marshmallow *leveleditor-images*)))
  88            (gray-stone (load-image-into-tk (gethash 'uxul-world::gray-stone *leveleditor-images*)))
  89            (brown-stone (load-image-into-tk (gethash 'uxul-world::brown-stone *leveleditor-images*)))
  90            (empty (load-image-into-tk (gethash 'uxul-world::empty *leveleditor-images*)))
  91            (tulip (load-image-into-tk (gethash 'uxul-world::tulip *leveleditor-images*)))
  92            (key (load-image-into-tk (gethash 'uxul-world::key *leveleditor-images*)))
  93            (door (load-image-into-tk (gethash 'uxul-world::door *leveleditor-images*)))
  94            (anchor (load-image-into-tk (gethash 'uxul-world::anchor *leveleditor-images*)))
  95            (anchors (make-hash-table :test 'equal))
  96            (current-upper-left (cons 0 0))
  97            (current-chosen-object 'uxul)
  98            (objects-and-arrows (make-instance 'ltk:frame))
  99            (grid-frame (make-instance 'ltk:frame))
 100            (object-frame (make-instance 'ltk:frame :master objects-and-arrows))
 101            (arrow-frame (make-instance 'ltk:frame :master objects-and-arrows))
 102            (right-button (make-instance 'ltk:button :text ">"
 103                                         :master arrow-frame))
 104            (left-button (make-instance 'ltk:button :text "<"
 105                                        :master arrow-frame))
 106            (up-button (make-instance 'ltk:button :text "/\\"
 107                                      :master arrow-frame))
 108            (down-button (make-instance 'ltk:button :text "\\/"
 109                                        :master arrow-frame))
 110            (rright-button (make-instance 'ltk:button :text ">>"
 111                                         :master arrow-frame))
 112            (lleft-button (make-instance 'ltk:button :text "<<"
 113                                        :master arrow-frame))
 114            (uup-button (make-instance 'ltk:button :text "//\\\\"
 115                                      :master arrow-frame))
 116            (ddown-button (make-instance 'ltk:button :text "\\\\//"
 117                                        :master arrow-frame))
 118            (argument1-entry (make-instance 'ltk:entry :text ""
 119                                            :master object-frame))
 120            (argument2-entry (make-instance 'ltk:entry :text ""
 121                                            :master object-frame))
 122            (uxul-button (make-instance 'ltk:button :text ""
 123                                        :master object-frame))
 124            (nasobem-button (make-instance 'ltk:button :text ""
 125                                           :master object-frame))
 126            (blue-nasobem-button (make-instance 'ltk:button :text ""
 127                                                :master object-frame))
 128            (burning-marshmallow-button (make-instance 'ltk:button :text ""
 129                                                       :master object-frame))
 130            (gray-stone-button (make-instance 'ltk:button :text ""
 131                                              :master object-frame))
 132            (brown-stone-button (make-instance 'ltk:button :text ""
 133                                        :master object-frame))
 134            (empty-button (make-instance 'ltk:button :text ""
 135                                         :master object-frame))
 136            (tulip-button (make-instance 'ltk:button :text ""
 137                                         :master object-frame))
 138            (leaf-button (make-instance 'ltk:button :text ""
 139                                        :master object-frame))
 140            (key-button (make-instance 'ltk:button :text ""
 141                                        :master object-frame))
 142            (door-button (make-instance 'ltk:button :text ""
 143                                        :master object-frame))
 144            (anchor-button (make-instance 'ltk:button :text ""
 145                                          :master object-frame))
 146            (info-button (make-instance 'ltk:button :text "Info"
 147                                        :master object-frame))
 148            (btns (make-array (list width height) :adjustable nil :element-type 'ltk:button)))
 149         (labels ((redraw-button (i j)
 150                    "Redraw Button (i, j)"
 151                    (let* ((current-upper-x (car current-upper-left))
 152                           (current-upper-y (cdr current-upper-left))
 153                           (cval (gethash (cons (+ i current-upper-x)
 154                                                (+ j current-upper-y))
 155                                         item-table nil))
 156                           (cval2 nil)
 157                          (cbtn (aref btns i j)))
 158                      (when (listp cval)
 159                        (setf cval2 cval)
 160                        (setf cval (car cval)))
 161                      (cond
 162                        ((eq cval 'uxul-world::leaf)
 163                         (config-button-image cbtn leaf))
 164                        ((eq cval 'uxul-world::nasobem)
 165                         (config-button-image cbtn nasobem))
 166                        ((eq cval 'uxul-world::blue-nasobem)
 167                         (config-button-image cbtn blue-nasobem))
 168                        ((eq cval 'uxul-world::burning-marshmallow)
 169                         (config-button-image cbtn burning-marshmallow))
 170                        ((eq cval 'uxul-world::gray-stone)
 171                         (config-button-image cbtn gray-stone))
 172                        ((eq cval 'uxul-world::brown-stone)
 173                         (config-button-image cbtn brown-stone))
 174                        ((eq cval nil)
 175                         (config-button-image cbtn empty))
 176                        ((eq cval 'uxul-world::tulip)
 177                         (config-button-image cbtn tulip))
 178                        ((eq cval 'uxul-world::door)
 179                         (config-button-image cbtn door))
 180                        ((eq cval 'uxul-world::key)
 181                         (config-button-image cbtn key))
 182                        ((eq cval 'uxul-world::anchor)
 183                         (config-button-image cbtn (gethash (cadr cval2) anchors)))
 184                        ((eq cval 'uxul-world::uxul)
 185                         (config-button-image cbtn uxul)))))
 186                  (redraw-buttons ()
 187                    "Redraw all Buttons"
 188                      (dotimes (i width)
 189                        (dotimes (j height)
 190                          (redraw-button i j))))
 191                  (react (i j)
 192                    (let ((current-upper-x (car current-upper-left))
 193                          (current-upper-y (cdr current-upper-left)))
 194                      (cond
 195                        ((eql current-chosen-object :info)
 196                         (let ((sym (gethash (cons (+ i current-upper-x)
 197                                           (+ j current-upper-y))
 198                                     item-table nil)))
 199                           (if sym
 200                               (ltk:do-msg
 201                                   (format nil (concatenate 'string
 202                                                            "Symbolname: \"" (symbol-name (car sym)) "\"~%"
 203                                                            "First argument: \"" (cadr sym) "\"~%"
 204                                                            "Second argument: \"" (caddr sym) "\"")))
 205                               (ltk:do-msg "There doesnt seem to be anything here."))
 206                           (return-from react)))
 207                        ((eql current-chosen-object 'uxul-world::anchor)
 208                         (cond
 209                           ((string= (ltk:text argument1-entry) "")
 210                            (ltk:do-msg "Please give an argument in the left textbox")
 211                            (return-from react))
 212                           ((gethash (ltk:text argument1-entry) anchors nil)
 213                            (ltk:do-msg "Warning: You already set an
 214                            anchor with the same dungeon-name. Make
 215                            sure that you remove one of them. Behavior
 216                            is not specified in this case and may
 217                            change."))
 218                           (t
 219                            (setf (gethash (ltk:text argument1-entry) anchors)
 220                                  (load-image-into-tk (annotated-image (gethash 'uxul-world::anchor *leveleditor-images*) (ltk:text argument1-entry))))))))
 221                      (setf (gethash (cons (+ i current-upper-x)
 222                                           (+ j current-upper-y))
 223                                     item-table)
 224                            (and current-chosen-object
 225                                 (list current-chosen-object (ltk:text argument1-entry) (ltk:text argument2-entry))))
 226                      (redraw-button i j)))
 227                  (move-field-about (i j)
 228                    (let ((current-upper-y (car current-upper-left))
 229                          (current-upper-x (cdr current-upper-left)))
 230                      (setf current-upper-left (cons (+ i current-upper-y) (+ j current-upper-x))))
 231                    (redraw-buttons)))
 232           (ltk:pack grid-frame)
 233           (ltk:grid arrow-frame 0 1)
 234           (ltk:grid left-button 1 0)
 235           (setf (ltk:command left-button) #'(lambda () (move-field-about 0 1)))
 236           (ltk:grid lleft-button 2 0)
 237           (setf (ltk:command lleft-button) #'(lambda () (move-field-about 0 (- width 1))))
 238           (ltk:grid right-button 1 2)
 239           (setf (ltk:command right-button) #'(lambda () (move-field-about 0 -1)))
 240           (ltk:grid rright-button 0 2)
 241           (setf (ltk:command rright-button) #'(lambda () (move-field-about 0 (- 1 width))))
 242           (ltk:grid up-button 0 1)
 243           (setf (ltk:command up-button) #'(lambda () (move-field-about 1 0)))
 244           (ltk:grid uup-button 0 0)
 245           (setf (ltk:command uup-button) #'(lambda () (move-field-about (- width 1) 0)))
 246           (ltk:grid down-button 2 1)
 247           (setf (ltk:command down-button) #'(lambda () (move-field-about -1 0)))
 248           (ltk:grid ddown-button 2 2)
 249           (setf (ltk:command ddown-button) #'(lambda () (move-field-about (- 1 width) 0)))
 250
 251           (ltk:grid argument1-entry 1 0 :columnspan 4)
 252           (ltk:grid argument2-entry 1 5 :columnspan 4)
 253           (ltk:grid info-button 1 9 :columnspan 2)
 254           (setf (ltk:command info-button)
 255                 #'(lambda () (setf current-chosen-object :info)))
 256
 257           (ltk:grid empty-button 0 0)
 258           (config-button-image empty-button empty)
 259           (setf (ltk:command empty-button)
 260                              #'(lambda ()
 261                                  (setf current-chosen-object nil)))
 262           (ltk:grid uxul-button 0 1)
 263           (config-button-image uxul-button uxul)
 264           (setf (ltk:command uxul-button)
 265                              #'(lambda ()
 266                                  (setf current-chosen-object 'uxul-world::uxul)))
 267           (ltk:grid nasobem-button 0 2)
 268           (config-button-image nasobem-button nasobem)
 269           (setf (ltk:command nasobem-button)
 270                              #'(lambda ()
 271                                  (setf current-chosen-object 'uxul-world::nasobem)))
 272           (ltk:grid blue-nasobem-button 0 3)
 273           (config-button-image blue-nasobem-button blue-nasobem)
 274           (setf (ltk:command blue-nasobem-button)
 275                              #'(lambda ()
 276                                  (setf current-chosen-object 'uxul-world::blue-nasobem)))
 277           (ltk:grid burning-marshmallow-button 0 4)
 278           (config-button-image burning-marshmallow-button burning-marshmallow)
 279           (setf (ltk:command burning-marshmallow-button)
 280                              #'(lambda ()
 281                                  (setf current-chosen-object 'uxul-world::burning-marshmallow)))
 282           (ltk:grid gray-stone-button 0 5)
 283           (config-button-image gray-stone-button gray-stone)
 284           (setf (ltk:command gray-stone-button)
 285                              #'(lambda ()
 286                                  (setf current-chosen-object 'uxul-world::gray-stone)))
 287           (ltk:grid brown-stone-button 0 6)
 288           (config-button-image brown-stone-button brown-stone)
 289           (setf (ltk:command brown-stone-button)
 290                              #'(lambda ()
 291                                  (setf current-chosen-object 'uxul-world::brown-stone)))
 292           (ltk:grid leaf-button 0 7)
 293           (config-button-image leaf-button leaf)
 294           (setf (ltk:command leaf-button)
 295                              #'(lambda ()
 296                                  (setf current-chosen-object 'uxul-world::leaf)))
 297
 298           (ltk:grid tulip-button 0 8)
 299           (config-button-image tulip-button tulip)
 300           (setf (ltk:command tulip-button)
 301                              #'(lambda ()
 302                                  (setf current-chosen-object 'uxul-world::tulip)))
 303
 304           (ltk:grid key-button 0 9)
 305           (config-button-image key-button key)
 306           (setf (ltk:command key-button)
 307                              #'(lambda ()
 308                                  (setf current-chosen-object 'uxul-world::key)))
 309
 310           (ltk:grid door-button 0 10)
 311           (config-button-image door-button door)
 312           (setf (ltk:command door-button)
 313                              #'(lambda ()
 314                                  (setf current-chosen-object 'uxul-world::door)))
 315
 316           (ltk:grid anchor-button 0 11)
 317           (config-button-image anchor-button anchor)
 318           (setf (ltk:command anchor-button)
 319                              #'(lambda ()
 320                                  (setf current-chosen-object 'uxul-world::anchor)))
 321
 322           (ltk:grid object-frame 0 0)
 323           (ltk:pack objects-and-arrows)
 324
 325           (dotimes (i width)
 326             (dotimes (j height)
 327               (let ((cbtn
 328                      (make-instance 'ltk:button
 329                                     :master grid-frame
 330                                     :text "")))
 331                 (setf (ltk:command cbtn) (let ((i i) (j j)) #'(lambda () (react i j))))
 332                 (config-button-image cbtn empty)
 333                 (setf (aref btns i j) cbtn)
 334                 (ltk:grid cbtn i j))))
 335           (redraw-buttons))))
 336     (item-table-to-list item-table)))
 337
 338
 339 (defun get-base64-char-for-number (i)
 340   (declare (type (integer 0 63) i))
 341   (elt "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/" i))
 342
 343 (defun base64-encode-threebytes (byte1 byte2 byte3)
 344   (declare (type (unsigned-byte 8) byte1 byte2 byte3))
 345   (coerce
 346    (list
 347     (get-base64-char-for-number (logand #b111111 (ash byte1 -2)))
 348     (get-base64-char-for-number (logand #b111111 (+ (ash (ash byte1 6) -2) (ash byte2 -4))))
 349     (get-base64-char-for-number (logand #b111111 (+ (ash (ash byte2 4) -2) (ash byte3 -6))))
 350     (get-base64-char-for-number (logand #b111111 (ash (ash byte3 2) -2)))) 'string))
 351
 352
 353 (defun base64-encode-bytelist (bytelist &optional (ret ""))
 354   (if bytelist
 355       (if (cdr bytelist)
 356           (if (cddr bytelist)
 357               (base64-encode-bytelist
 358                (cdddr bytelist)
 359                (concatenate 'string
 360                             ret
 361                             (base64-encode-threebytes
 362                              (car bytelist)
 363                              (cadr bytelist)
 364                              (caddr bytelist))))
 365               ;;else (genau zwei elemente)
 366               (concatenate 'string ret
 367                            (base64-encode-threebytes
 368                             (car bytelist)
 369                             (cadr bytelist)
 370                             0)
 371                            "="))
 372           ;;else (genau ein element)
 373           (concatenate 'string ret
 374                        (base64-encode-threebytes
 375                         (car bytelist) 0 0)
 376                        "=="))
 377       ;;else (kein element)
 378       ret))
 379
 380
 381 (defun base64-encode-byteseq (byteseq &optional (ret ""))
 382   (case (length byteseq)
 383     (0 ret)
 384     (1 (concatenate 'string ret
 385                     (base64-encode-threebytes
 386                      (elt byteseq 0) 0 0) "=="))
 387     (2 (concatenate 'string ret
 388                     (base64-encode-threebytes
 389                      (elt byteseq 0)
 390                      (elt byteseq 1)
 391                      0)
 392                     "="))
 393     (t (base64-encode-byteseq
 394         (subseq byteseq 3)
 395         (concatenate 'string
 396                      ret
 397                      (base64-encode-threebytes
 398                       (elt byteseq 0)
 399                       (elt byteseq 1)
 400                       (elt byteseq 2)))))))