leveleditor.lisp

   1 ;;; Copyright 2009-2011 Christoph Senjak
   2
   3 (in-package :uxul-world-leveleditor)
   4
   5 (defparameter *leveleditor-images* nil)
   6
   7 (defun bmp-to-gif (inblob)
   8   "Convert BMP to Grayscale-Gif using skippy."
   9   (let*
  10       ((w (uxul-world::bmp-width inblob))
  11        (h (uxul-world::bmp-height inblob))
  12        (img (uxul-world::bmp-pixel-data inblob))
  13        (color-table (skippy:make-color-table))
  14        (colors
  15         (let
  16             ((v (make-array '(256) :adjustable nil)))
  17           (dotimes (i 256)
  18             (setf (elt v i)
  19                (skippy:ensure-color (skippy:rgb-color i i i)  color-table)))
  20           v))
  21        (grayscale (lambda (x)
  22                     ;; 0 becomes transparent
  23                     (cond
  24                       ((< (elt x 3) 128) 0)
  25                       (t (max 1
  26                               (round
  27                                (/ (+ (elt x 1) (elt x 2) (elt x 0)) 3)))))))
  28        (image-data
  29         (let ((id (skippy:make-image-data w h)))
  30           (dotimes (i w)
  31             (dotimes (j h)
  32               (setf (elt id (+ i (* w (- h j 1))))
  33                     (elt colors
  34                          (funcall grayscale
  35                                   (make-array '(4)
  36                                               :element-type '(unsigned-byte 8)
  37                                               :displaced-to img
  38                                               :displaced-index-offset
  39                                               (* 4 (+ i (* w j)))))))))
  40           id))
  41        (image (skippy:make-image :width w :height h
  42                                  :image-data image-data
  43                                  :transparency-index 0))
  44        (data-stream (skippy:make-data-stream
  45                      :height h :width w
  46                      :color-table color-table)))
  47     (skippy:add-image image data-stream)
  48     (flexi-streams:with-output-to-sequence (out)
  49       (skippy:write-data-stream data-stream out))))
  50
  51
  52 (defun stretched-image (imgs)
  53   "Resize that image to 32x32 and convert it into a ppm."
  54   (bmp-to-gif
  55    (uxul-world::resize-bmp-blob imgs 32 32)))
  56
  57 (defun annotated-image (img ann)
  58   "Add a (lower-left) annotation."
  59 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;FIXME
  60 img
  61
  62 ;;   (lisp-magick:with-magick-wand (mywand)
  63 ;;     (lisp-magick::magick-read-image-blob mywand img)
  64 ;;     (lisp-magick:with-drawing-wand (dw)
  65 ;;       (lisp-magick:with-pixel-wand (pw :comp (255 255 255))
  66 ;;      (lisp-magick::draw-set-text-under-color dw pw))
  67 ;;       (lisp-magick:with-pixel-wand (pw :comp (255 0 0))
  68 ;;      (lisp-magick::draw-set-fill-color dw pw))
  69 ;;       (lisp-magick:draw-annotation dw (coerce 0 'double-float) (coerce 32 'double-float) ann)
  70 ;;       (lisp-magick:magick-draw-image mywand dw))
  71 ;;     (lisp-magick::magick-set-format mywand "gif")
  72 ;;     (lisp-magick::magick-get-image-blob mywand)))
  73 )
  74
  75 (defun numbered-image (img num)
  76   "Annotate the image with a number."
  77   (annotated-image img (format nil "~d" num)))
  78
  79 (defun prepare-images (&optional (care-about-initialization *leveleditor-images*))
  80   (when (not care-about-initialization)
  81     (setf *leveleditor-images* (make-hash-table))
  82     (uxul-world::init-files)
  83     (setf (gethash 'uxul-world::uxul *leveleditor-images*) (stretched-image uxul-world::|uxul_small1|))
  84     (setf (gethash 'uxul-world::leaf *leveleditor-images*) (stretched-image uxul-world::|leaf|))
  85     (setf (gethash 'uxul-world::nasobem *leveleditor-images*) (stretched-image uxul-world::|nasobem|))
  86     (setf (gethash 'uxul-world::blue-nasobem *leveleditor-images*) (stretched-image uxul-world::|blue_nasobem|))
  87     (setf (gethash 'uxul-world::burning-marshmallow *leveleditor-images*) (stretched-image uxul-world::|burning_marshmallow_ld1|))
  88     (setf (gethash 'uxul-world::gray-stone *leveleditor-images*) (stretched-image uxul-world::|gray_stone|))
  89     (setf (gethash 'uxul-world::brown-stone *leveleditor-images*) (stretched-image uxul-world::|brown_stone|))
  90     (setf (gethash 'uxul-world::empty *leveleditor-images*) (stretched-image uxul-world::|empty|))
  91     (setf (gethash 'uxul-world::tulip *leveleditor-images*) (stretched-image uxul-world::|tulip|))
  92     (setf (gethash 'uxul-world::door *leveleditor-images*) (stretched-image uxul-world::|door|))
  93     (setf (gethash 'uxul-world::key *leveleditor-images*) (stretched-image uxul-world::|key|))
  94     (setf (gethash 'uxul-world::anchor *leveleditor-images*) (stretched-image uxul-world::|anchor|))
  95 ))
  96
  97 (defun load-image-into-tk (png)
  98   "return a tkobject with this image"
  99   (let ((name (ltk::create-name)))
 100     (ltk:format-wish "set ~A [ image create photo -data \"~A\" ]"
 101                      name (base64-encode-byteseq png))
 102     (make-instance 'ltk:tkobject :name name)))
 103
 104 (defun config-button-image (button tkobject)
 105   (ltk:format-wish "~A configure -image $~A" (ltk::widget-path button) (ltk::name tkobject)))
 106
 107 (defun item-table-to-list (item-table)
 108   "Special Function for level-editor. Returns a list of lists of the
 109 form (x y object arg1 arg2 ...)."
 110   (let ((ret nil))
 111     (maphash #'(lambda (key val)
 112                  (when val
 113                    (push (concatenate 'list (list (car key) (cdr key)) val)  ret)))
 114              item-table)
 115     ret))
 116
 117 (defun level-editor (&optional (level nil) (width 16) (height 16))
 118   ;; hack. swap "width" and "height". (too lazy to change it properly by now)
 119   (let ((nilpferd width))
 120     (setf width height)
 121     (setf height nilpferd))
 122
 123   (prepare-images)
 124   (let ((item-table (make-hash-table :test 'equal)))
 125     ;;initialize given level
 126     (dolist (item level)
 127       (setf (gethash (cons (car item) (cadr item)) item-table) (cddr item)))
 128     (ltk:with-ltk ()
 129       (let*
 130           ((uxul (load-image-into-tk (gethash 'uxul-world::uxul *leveleditor-images*)))
 131            (leaf (load-image-into-tk (gethash 'uxul-world::leaf *leveleditor-images*)))
 132            (nasobem (load-image-into-tk (gethash 'uxul-world::nasobem *leveleditor-images*)))
 133            (blue-nasobem (load-image-into-tk (gethash 'uxul-world::blue-nasobem *leveleditor-images*)))
 134            (burning-marshmallow (load-image-into-tk (gethash 'uxul-world::burning-marshmallow *leveleditor-images*)))
 135            (gray-stone (load-image-into-tk (gethash 'uxul-world::gray-stone *leveleditor-images*)))
 136            (brown-stone (load-image-into-tk (gethash 'uxul-world::brown-stone *leveleditor-images*)))
 137            (empty (load-image-into-tk (gethash 'uxul-world::empty *leveleditor-images*)))
 138            (tulip (load-image-into-tk (gethash 'uxul-world::tulip *leveleditor-images*)))
 139            (key (load-image-into-tk (gethash 'uxul-world::key *leveleditor-images*)))
 140            (door (load-image-into-tk (gethash 'uxul-world::door *leveleditor-images*)))
 141            (anchor (load-image-into-tk (gethash 'uxul-world::anchor *leveleditor-images*)))
 142            (anchors (make-hash-table :test 'equal))
 143            (current-upper-left (cons 0 0))
 144            (current-chosen-object 'uxul)
 145            (objects-and-arrows (make-instance 'ltk:frame))
 146            (grid-frame (make-instance 'ltk:frame))
 147            (object-frame (make-instance 'ltk:frame :master objects-and-arrows))
 148            (arrow-frame (make-instance 'ltk:frame :master objects-and-arrows))
 149            (right-button (make-instance 'ltk:button :text ">"
 150                                         :master arrow-frame))
 151            (left-button (make-instance 'ltk:button :text "<"
 152                                        :master arrow-frame))
 153            (up-button (make-instance 'ltk:button :text "/\\"
 154                                      :master arrow-frame))
 155            (down-button (make-instance 'ltk:button :text "\\/"
 156                                        :master arrow-frame))
 157            (rright-button (make-instance 'ltk:button :text ">>"
 158                                         :master arrow-frame))
 159            (lleft-button (make-instance 'ltk:button :text "<<"
 160                                        :master arrow-frame))
 161            (uup-button (make-instance 'ltk:button :text "//\\\\"
 162                                      :master arrow-frame))
 163            (ddown-button (make-instance 'ltk:button :text "\\\\//"
 164                                        :master arrow-frame))
 165            (argument1-entry (make-instance 'ltk:entry :text ""
 166                                            :master object-frame))
 167            (argument2-entry (make-instance 'ltk:entry :text ""
 168                                            :master object-frame))
 169            (uxul-button (make-instance 'ltk:button :text ""
 170                                        :master object-frame))
 171            (nasobem-button (make-instance 'ltk:button :text ""
 172                                           :master object-frame))
 173            (blue-nasobem-button (make-instance 'ltk:button :text ""
 174                                                :master object-frame))
 175            (burning-marshmallow-button (make-instance 'ltk:button :text ""
 176                                                       :master object-frame))
 177            (gray-stone-button (make-instance 'ltk:button :text ""
 178                                              :master object-frame))
 179            (brown-stone-button (make-instance 'ltk:button :text ""
 180                                        :master object-frame))
 181            (empty-button (make-instance 'ltk:button :text ""
 182                                         :master object-frame))
 183            (tulip-button (make-instance 'ltk:button :text ""
 184                                         :master object-frame))
 185            (leaf-button (make-instance 'ltk:button :text ""
 186                                        :master object-frame))
 187            (key-button (make-instance 'ltk:button :text ""
 188                                        :master object-frame))
 189            (door-button (make-instance 'ltk:button :text ""
 190                                        :master object-frame))
 191            (anchor-button (make-instance 'ltk:button :text ""
 192                                          :master object-frame))
 193            (info-button (make-instance 'ltk:button :text "Info"
 194                                        :master object-frame))
 195            (btns (make-array (list width height) :adjustable nil :element-type 'ltk:button)))
 196         (labels ((redraw-button (i j)
 197                    "Redraw Button (i, j)"
 198                    (let* ((current-upper-x (car current-upper-left))
 199                           (current-upper-y (cdr current-upper-left))
 200                           (cval (gethash (cons (+ i current-upper-x)
 201                                                (+ j current-upper-y))
 202                                         item-table nil))
 203                           (cval2 nil)
 204                          (cbtn (aref btns i j)))
 205                      (when (listp cval)
 206                        (setf cval2 cval)
 207                        (setf cval (car cval)))
 208                      (cond
 209                        ((eq cval 'uxul-world::leaf)
 210                         (config-button-image cbtn leaf))
 211                        ((eq cval 'uxul-world::nasobem)
 212                         (config-button-image cbtn nasobem))
 213                        ((eq cval 'uxul-world::blue-nasobem)
 214                         (config-button-image cbtn blue-nasobem))
 215                        ((eq cval 'uxul-world::burning-marshmallow)
 216                         (config-button-image cbtn burning-marshmallow))
 217                        ((eq cval 'uxul-world::gray-stone)
 218                         (config-button-image cbtn gray-stone))
 219                        ((eq cval 'uxul-world::brown-stone)
 220                         (config-button-image cbtn brown-stone))
 221                        ((eq cval nil)
 222                         (config-button-image cbtn empty))
 223                        ((eq cval 'uxul-world::tulip)
 224                         (config-button-image cbtn tulip))
 225                        ((eq cval 'uxul-world::door)
 226                         (config-button-image cbtn door))
 227                        ((eq cval 'uxul-world::key)
 228                         (config-button-image cbtn key))
 229                        ((eq cval 'uxul-world::anchor)
 230                         (config-button-image cbtn (gethash (cadr cval2) anchors)))
 231                        ((eq cval 'uxul-world::uxul)
 232                         (config-button-image cbtn uxul)))))
 233                  (redraw-buttons ()
 234                    "Redraw all Buttons"
 235                      (dotimes (i width)
 236                        (dotimes (j height)
 237                          (redraw-button i j))))
 238                  (react (i j)
 239                    (let ((current-upper-x (car current-upper-left))
 240                          (current-upper-y (cdr current-upper-left)))
 241                      (cond
 242                        ((eql current-chosen-object :info)
 243                         (let ((sym (gethash (cons (+ i current-upper-x)
 244                                           (+ j current-upper-y))
 245                                     item-table nil)))
 246                           (if sym
 247                               (ltk:do-msg
 248                                   (format nil (concatenate 'string
 249                                                            "Symbolname: \"" (symbol-name (car sym)) "\"~%"
 250                                                            "First argument: \"" (cadr sym) "\"~%"
 251                                                            "Second argument: \"" (caddr sym) "\"")))
 252                               (ltk:do-msg "There doesnt seem to be anything here."))
 253                           (return-from react)))
 254                        ((eql current-chosen-object 'uxul-world::anchor)
 255                         (cond
 256                           ((string= (ltk:text argument1-entry) "")
 257                            (ltk:do-msg "Please give an argument in the left textbox")
 258                            (return-from react))
 259                           ((gethash (ltk:text argument1-entry) anchors nil)
 260                            (ltk:do-msg "Warning: You already set an
 261                            anchor with the same dungeon-name. Make
 262                            sure that you remove one of them. Behavior
 263                            is not specified in this case and may
 264                            change."))
 265                           (t
 266                            (setf (gethash (ltk:text argument1-entry) anchors)
 267                                  (load-image-into-tk (annotated-image (gethash 'uxul-world::anchor *leveleditor-images*) (ltk:text argument1-entry))))))))
 268                      (setf (gethash (cons (+ i current-upper-x)
 269                                           (+ j current-upper-y))
 270                                     item-table)
 271                            (and current-chosen-object
 272                                 (list current-chosen-object (ltk:text argument1-entry) (ltk:text argument2-entry))))
 273                      (redraw-button i j)))
 274                  (move-field-about (i j)
 275                    (let ((current-upper-y (car current-upper-left))
 276                          (current-upper-x (cdr current-upper-left)))
 277                      (setf current-upper-left (cons (+ i current-upper-y) (+ j current-upper-x))))
 278                    (redraw-buttons)))
 279           (ltk:pack grid-frame)
 280           (ltk:grid arrow-frame 0 1)
 281           (ltk:grid left-button 1 0)
 282           (setf (ltk:command left-button) #'(lambda () (move-field-about 0 1)))
 283           (ltk:grid lleft-button 2 0)
 284           (setf (ltk:command lleft-button) #'(lambda () (move-field-about 0 (- width 1))))
 285           (ltk:grid right-button 1 2)
 286           (setf (ltk:command right-button) #'(lambda () (move-field-about 0 -1)))
 287           (ltk:grid rright-button 0 2)
 288           (setf (ltk:command rright-button) #'(lambda () (move-field-about 0 (- 1 width))))
 289           (ltk:grid up-button 0 1)
 290           (setf (ltk:command up-button) #'(lambda () (move-field-about 1 0)))
 291           (ltk:grid uup-button 0 0)
 292           (setf (ltk:command uup-button) #'(lambda () (move-field-about (- width 1) 0)))
 293           (ltk:grid down-button 2 1)
 294           (setf (ltk:command down-button) #'(lambda () (move-field-about -1 0)))
 295           (ltk:grid ddown-button 2 2)
 296           (setf (ltk:command ddown-button) #'(lambda () (move-field-about (- 1 width) 0)))
 297
 298           (ltk:grid argument1-entry 1 0 :columnspan 4)
 299           (ltk:grid argument2-entry 1 5 :columnspan 4)
 300           (ltk:grid info-button 1 9 :columnspan 2)
 301           (setf (ltk:command info-button)
 302                 #'(lambda () (setf current-chosen-object :info)))
 303
 304           (ltk:grid empty-button 0 0)
 305           (config-button-image empty-button empty)
 306           (setf (ltk:command empty-button)
 307                              #'(lambda ()
 308                                  (setf current-chosen-object nil)))
 309           (ltk:grid uxul-button 0 1)
 310           (config-button-image uxul-button uxul)
 311           (setf (ltk:command uxul-button)
 312                              #'(lambda ()
 313                                  (setf current-chosen-object 'uxul-world::uxul)))
 314           (ltk:grid nasobem-button 0 2)
 315           (config-button-image nasobem-button nasobem)
 316           (setf (ltk:command nasobem-button)
 317                              #'(lambda ()
 318                                  (setf current-chosen-object 'uxul-world::nasobem)))
 319           (ltk:grid blue-nasobem-button 0 3)
 320           (config-button-image blue-nasobem-button blue-nasobem)
 321           (setf (ltk:command blue-nasobem-button)
 322                              #'(lambda ()
 323                                  (setf current-chosen-object 'uxul-world::blue-nasobem)))
 324           (ltk:grid burning-marshmallow-button 0 4)
 325           (config-button-image burning-marshmallow-button burning-marshmallow)
 326           (setf (ltk:command burning-marshmallow-button)
 327                              #'(lambda ()
 328                                  (setf current-chosen-object 'uxul-world::burning-marshmallow)))
 329           (ltk:grid gray-stone-button 0 5)
 330           (config-button-image gray-stone-button gray-stone)
 331           (setf (ltk:command gray-stone-button)
 332                              #'(lambda ()
 333                                  (setf current-chosen-object 'uxul-world::gray-stone)))
 334           (ltk:grid brown-stone-button 0 6)
 335           (config-button-image brown-stone-button brown-stone)
 336           (setf (ltk:command brown-stone-button)
 337                              #'(lambda ()
 338                                  (setf current-chosen-object 'uxul-world::brown-stone)))
 339           (ltk:grid leaf-button 0 7)
 340           (config-button-image leaf-button leaf)
 341           (setf (ltk:command leaf-button)
 342                              #'(lambda ()
 343                                  (setf current-chosen-object 'uxul-world::leaf)))
 344
 345           (ltk:grid tulip-button 0 8)
 346           (config-button-image tulip-button tulip)
 347           (setf (ltk:command tulip-button)
 348                              #'(lambda ()
 349                                  (setf current-chosen-object 'uxul-world::tulip)))
 350
 351           (ltk:grid key-button 0 9)
 352           (config-button-image key-button key)
 353           (setf (ltk:command key-button)
 354                              #'(lambda ()
 355                                  (setf current-chosen-object 'uxul-world::key)))
 356
 357           (ltk:grid door-button 0 10)
 358           (config-button-image door-button door)
 359           (setf (ltk:command door-button)
 360                              #'(lambda ()
 361                                  (setf current-chosen-object 'uxul-world::door)))
 362
 363           (ltk:grid anchor-button 0 11)
 364           (config-button-image anchor-button anchor)
 365           (setf (ltk:command anchor-button)
 366                              #'(lambda ()
 367                                  (setf current-chosen-object 'uxul-world::anchor)))
 368
 369           (ltk:grid object-frame 0 0)
 370           (ltk:pack objects-and-arrows)
 371
 372           (dotimes (i width)
 373             (dotimes (j height)
 374               (let ((cbtn
 375                      (make-instance 'ltk:button
 376                                     :master grid-frame
 377                                     :text "")))
 378                 (setf (ltk:command cbtn) (let ((i i) (j j)) #'(lambda () (react i j))))
 379                 (config-button-image cbtn empty)
 380                 (setf (aref btns i j) cbtn)
 381                 (ltk:grid cbtn i j))))
 382           (redraw-buttons))))
 383     (item-table-to-list item-table)))
 384
 385
 386 (defun get-base64-char-for-number (i)
 387   (declare (type (integer 0 63) i))
 388   (elt "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/" i))
 389
 390 (defun base64-encode-threebytes (byte1 byte2 byte3)
 391   (declare (type (unsigned-byte 8) byte1 byte2 byte3))
 392   (coerce
 393    (list
 394     (get-base64-char-for-number (logand #b111111 (ash byte1 -2)))
 395     (get-base64-char-for-number (logand #b111111 (+ (ash (ash byte1 6) -2) (ash byte2 -4))))
 396     (get-base64-char-for-number (logand #b111111 (+ (ash (ash byte2 4) -2) (ash byte3 -6))))
 397     (get-base64-char-for-number (logand #b111111 (ash (ash byte3 2) -2)))) 'string))
 398
 399
 400 (defun base64-encode-bytelist (bytelist &optional (ret ""))
 401   (if bytelist
 402       (if (cdr bytelist)
 403           (if (cddr bytelist)
 404               (base64-encode-bytelist
 405                (cdddr bytelist)
 406                (concatenate 'string
 407                             ret
 408                             (base64-encode-threebytes
 409                              (car bytelist)
 410                              (cadr bytelist)
 411                              (caddr bytelist))))
 412               ;;else (genau zwei elemente)
 413               (concatenate 'string ret
 414                            (base64-encode-threebytes
 415                             (car bytelist)
 416                             (cadr bytelist)
 417                             0)
 418                            "="))
 419           ;;else (genau ein element)
 420           (concatenate 'string ret
 421                        (base64-encode-threebytes
 422                         (car bytelist) 0 0)
 423                        "=="))
 424       ;;else (kein element)
 425       ret))
 426
 427
 428 (defun base64-encode-byteseq (byteseq &optional (ret ""))
 429   (case (length byteseq)
 430     (0 ret)
 431     (1 (concatenate 'string ret
 432                     (base64-encode-threebytes
 433                      (elt byteseq 0) 0 0) "=="))
 434     (2 (concatenate 'string ret
 435                     (base64-encode-threebytes
 436                      (elt byteseq 0)
 437                      (elt byteseq 1)
 438                      0)
 439                     "="))
 440     (t (base64-encode-byteseq
 441         (subseq byteseq 3)
 442         (concatenate 'string
 443                      ret
 444                      (base64-encode-threebytes
 445                       (elt byteseq 0)
 446                       (elt byteseq 1)
 447                       (elt byteseq 2)))))))