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sokodigger.w
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sokodigger.w
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&ANALYZE-SUSPEND _VERSION-NUMBER AB_v10r12 GUI
&ANALYZE-RESUME
&Scoped-define WINDOW-NAME wSokoDigger
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CUSTOM _DEFINITIONS wSokoDigger
/*------------------------------------------------------------------------
Name : SokoDigger.w
Desc : Sokoban easter egg for DataDigger :)
Notes:
This is a version that includes levels from the great site
http://sokoban-jd.blogspot.nl by Jordi Domènech
Which hosts more information on Sokoban than you'll ever
need to know. If you want to play more or different levels,
just download a level file there, place it in the DD folder
and load it (see initObject).
-----------------------------------------------------------------------*/
/* This .W file was created with the Progress AppBuilder. */
/*----------------------------------------------------------------------*/
CREATE WIDGET-POOL.
{DataDigger.i}
DEFINE TEMP-TABLE ttBlock NO-UNDO
FIELD iPosX AS INTEGER
FIELD iPosY AS INTEGER
FIELD cType AS CHARACTER
FIELD hBlock AS HANDLE
FIELD lSolid AS LOGICAL
INDEX iPrim IS PRIMARY iPosY iPosX cType
INDEX iType cType
INDEX iSolid iPosX iPosY lSolid
.
DEFINE TEMP-TABLE ttMove NO-UNDO
FIELD iMoveNr AS INTEGER
FIELD cDirection AS CHARACTER /* direction */
FIELD iDeltaX AS INTEGER
FIELD iDeltaY AS INTEGER
FIELD rBlock AS ROWID
INDEX iPrim IS PRIMARY iMoveNr
.
DEFINE TEMP-TABLE ttLevel NO-UNDO
FIELD iLevelNr AS INTEGER
FIELD cData AS CHARACTER
INDEX iPrim IS PRIMARY iLevelNr
.
DEFINE TEMP-TABLE ttImage NO-UNDO
FIELD cType AS CHARACTER
FIELD hImage AS HANDLE
INDEX iPrim IS PRIMARY hImage
INDEX iType cType
.
DEFINE VARIABLE giBlockWidth AS INTEGER NO-UNDO.
DEFINE VARIABLE giBlockHeight AS INTEGER NO-UNDO.
DEFINE VARIABLE giMaxWidth AS INTEGER NO-UNDO.
DEFINE VARIABLE giMaxHeight AS INTEGER NO-UNDO.
DEFINE VARIABLE giNumMoves AS INTEGER NO-UNDO.
DEFINE VARIABLE giCurrentLevel AS INTEGER NO-UNDO INITIAL 1.
DEFINE VARIABLE glLevelComplete AS LOGICAL NO-UNDO.
DEFINE VARIABLE giLockCounter AS INTEGER NO-UNDO.
PROCEDURE SendMessageA EXTERNAL "user32.dll":
DEFINE INPUT PARAMETER hwnd AS long NO-UNDO.
DEFINE INPUT PARAMETER wmsg AS long NO-UNDO.
DEFINE INPUT PARAMETER wparam AS long NO-UNDO.
DEFINE INPUT PARAMETER lparam AS long NO-UNDO.
DEFINE RETURN PARAMETER rc AS long NO-UNDO.
END PROCEDURE.
PROCEDURE RedrawWindow EXTERNAL "user32.dll":
DEFINE INPUT PARAMETER v-hwnd AS LONG NO-UNDO.
DEFINE INPUT PARAMETER v-rect AS LONG NO-UNDO.
DEFINE INPUT PARAMETER v-rgn AS LONG NO-UNDO.
DEFINE INPUT PARAMETER v-flags AS LONG NO-UNDO.
DEFINE RETURN PARAMETER v-ret AS LONG NO-UNDO.
END PROCEDURE.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-PREPROCESSOR-BLOCK
/* ******************** Preprocessor Definitions ******************** */
&Scoped-define PROCEDURE-TYPE Window
&Scoped-define DB-AWARE no
/* Name of designated FRAME-NAME and/or first browse and/or first query */
&Scoped-define FRAME-NAME frMain
/* Custom List Definitions */
/* List-1,List-2,List-3,List-4,List-5,List-6 */
/* _UIB-PREPROCESSOR-BLOCK-END */
&ANALYZE-RESUME
/* ************************ Function Prototypes ********************** */
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _FUNCTION-FORWARD getSavedImage wSokoDigger
FUNCTION getSavedImage RETURNS HANDLE
( pcType AS CHARACTER ) FORWARD.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
/* *********************** Control Definitions ********************** */
/* Define the widget handle for the window */
DEFINE VAR wSokoDigger AS WIDGET-HANDLE NO-UNDO.
/* Menu Definitions */
DEFINE MENU mainMenu MENUBAR
MENU-ITEM m_Undo LABEL "&Undo"
MENU-ITEM m_Redo LABEL "&Redo"
MENU-ITEM m_Restart LABEL "Re&start"
MENU-ITEM m_Skip LABEL "S&kip Level" .
/* Definitions of the field level widgets */
/* ************************ Frame Definitions *********************** */
DEFINE FRAME frMain
WITH 1 DOWN NO-BOX KEEP-TAB-ORDER OVERLAY
SIDE-LABELS NO-UNDERLINE THREE-D
AT COL 1 ROW 1
SIZE 98.8 BY 21.24 WIDGET-ID 100.
/* *********************** Procedure Settings ************************ */
&ANALYZE-SUSPEND _PROCEDURE-SETTINGS
/* Settings for THIS-PROCEDURE
Type: Window
Allow: Basic,Browse,DB-Fields,Window,Query
Other Settings: COMPILE
*/
&ANALYZE-RESUME _END-PROCEDURE-SETTINGS
/* ************************* Create Window ************************** */
&ANALYZE-SUSPEND _CREATE-WINDOW
IF SESSION:DISPLAY-TYPE = "GUI":U THEN
CREATE WINDOW wSokoDigger ASSIGN
HIDDEN = YES
TITLE = "SokoDigger"
HEIGHT = 21.24
WIDTH = 98.8
MAX-HEIGHT = 100
MAX-WIDTH = 200
VIRTUAL-HEIGHT = 100
VIRTUAL-WIDTH = 200
RESIZE = yes
SCROLL-BARS = no
STATUS-AREA = no
BGCOLOR = ?
FGCOLOR = ?
KEEP-FRAME-Z-ORDER = yes
THREE-D = yes
MESSAGE-AREA = no
SENSITIVE = yes.
ELSE {&WINDOW-NAME} = CURRENT-WINDOW.
ASSIGN {&WINDOW-NAME}:MENUBAR = MENU mainMenu:HANDLE.
/* END WINDOW DEFINITION */
&ANALYZE-RESUME
/* *********** Runtime Attributes and AppBuilder Settings *********** */
&ANALYZE-SUSPEND _RUN-TIME-ATTRIBUTES
/* SETTINGS FOR WINDOW wSokoDigger
VISIBLE,,RUN-PERSISTENT */
/* SETTINGS FOR FRAME frMain
FRAME-NAME */
IF SESSION:DISPLAY-TYPE = "GUI":U AND VALID-HANDLE(wSokoDigger)
THEN wSokoDigger:HIDDEN = no.
/* _RUN-TIME-ATTRIBUTES-END */
&ANALYZE-RESUME
/* ************************ Control Triggers ************************ */
&Scoped-define SELF-NAME wSokoDigger
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL wSokoDigger wSokoDigger
ON END-ERROR OF wSokoDigger /* SokoDigger */
OR ENDKEY OF {&WINDOW-NAME} ANYWHERE DO:
/* This case occurs when the user presses the "Esc" key.
In a persistently run window, just ignore this. If we did not, the
application would exit. */
IF THIS-PROCEDURE:PERSISTENT THEN RETURN NO-APPLY.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL wSokoDigger wSokoDigger
ON F12 OF wSokoDigger /* SokoDigger */
ANYWHERE DO:
RUN dumpData. /* debug */
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL wSokoDigger wSokoDigger
ON WINDOW-CLOSE OF wSokoDigger /* SokoDigger */
DO:
/* This event will close the window and terminate the procedure. */
APPLY "CLOSE":U TO THIS-PROCEDURE.
RETURN NO-APPLY.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL wSokoDigger wSokoDigger
ON WINDOW-RESIZED OF wSokoDigger /* SokoDigger */
DO:
DEFINE VARIABLE lSuppress AS LOGICAL NO-UNDO.
lSuppress = SESSION:SUPPRESS-WARNINGS.
RUN lockWindow({&WINDOW-NAME}:HANDLE, YES).
SESSION:SUPPRESS-WARNINGS = YES.
RUN resizeWindow.
RUN drawButtons.
RUN movePlayer(0,0).
RUN lockWindow({&WINDOW-NAME}:HANDLE, NO).
SESSION:SUPPRESS-WARNINGS = lSuppress.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&Scoped-define SELF-NAME frMain
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL frMain wSokoDigger
ON BACKSPACE OF FRAME frMain
ANYWHERE
DO:
IF glLevelComplete THEN RETURN NO-APPLY.
RUN undoMove.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL frMain wSokoDigger
ON CURSOR-DOWN OF FRAME frMain
ANYWHERE
DO:
IF glLevelComplete THEN RETURN NO-APPLY.
RUN processKeystroke(INPUT 'down', OUTPUT glLevelComplete).
IF glLevelComplete THEN RUN levelCompleted.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL frMain wSokoDigger
ON CURSOR-LEFT OF FRAME frMain
ANYWHERE
DO:
IF glLevelComplete THEN RETURN NO-APPLY.
RUN processKeystroke(INPUT 'left', OUTPUT glLevelComplete).
IF glLevelComplete THEN RUN levelCompleted.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL frMain wSokoDigger
ON CURSOR-RIGHT OF FRAME frMain
ANYWHERE
DO:
IF glLevelComplete THEN RETURN NO-APPLY.
RUN processKeystroke(INPUT 'right', OUTPUT glLevelComplete).
IF glLevelComplete THEN RUN levelCompleted.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL frMain wSokoDigger
ON CURSOR-UP OF FRAME frMain
ANYWHERE
DO:
IF glLevelComplete THEN RETURN NO-APPLY.
RUN processKeystroke(INPUT 'up', OUTPUT glLevelComplete).
IF glLevelComplete THEN RUN levelCompleted.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&Scoped-define SELF-NAME m_Redo
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL m_Redo wSokoDigger
ON CHOOSE OF MENU-ITEM m_Redo /* Redo */
OR 'ctrl-y' OF FRAME frMain ANYWHERE
DO:
IF NOT glLevelComplete THEN RUN redoMove.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&Scoped-define SELF-NAME m_Restart
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL m_Restart wSokoDigger
ON CHOOSE OF MENU-ITEM m_Restart /* Restart */
OR 'f5' OF FRAME frMain ANYWHERE
DO:
DEFINE VARIABLE lRestart AS LOGICAL NO-UNDO INITIAL YES.
MESSAGE 'Start again?' VIEW-AS ALERT-BOX QUESTION BUTTONS YES-NO UPDATE lRestart.
IF lRestart THEN RUN startLevel.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&Scoped-define SELF-NAME m_Skip
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL m_Skip wSokoDigger
ON CHOOSE OF MENU-ITEM m_Skip /* Skip Level */
DO:
RUN skipLevel.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&Scoped-define SELF-NAME m_Undo
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CONTROL m_Undo wSokoDigger
ON CHOOSE OF MENU-ITEM m_Undo /* Undo */
OR 'ctrl-z' OF FRAME frMain ANYWHERE
DO:
IF NOT glLevelComplete THEN RUN undoMove.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&UNDEFINE SELF-NAME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _CUSTOM _MAIN-BLOCK wSokoDigger
/* *************************** Main Block *************************** */
/* Set CURRENT-WINDOW: this will parent dialog-boxes and frames. */
ASSIGN CURRENT-WINDOW = {&WINDOW-NAME}
THIS-PROCEDURE:CURRENT-WINDOW = {&WINDOW-NAME}.
/* The CLOSE event can be used from inside or outside the procedure to */
/* terminate it. */
ON CLOSE OF THIS-PROCEDURE
DO:
/* Make sure all settings are saved */
RUN flushRegistry.
RUN disable_UI.
END.
/* Best default for GUI applications is... */
PAUSE 0 BEFORE-HIDE.
/* For debugging in the UIB */
&IF DEFINED(UIB_is_Running) <> 0 &THEN
RUN startDiggerLib.p.
&ENDIF
/* Now enable the interface and wait for the exit condition. */
/* (NOTE: handle ERROR and END-KEY so cleanup code will always fire. */
MAIN-BLOCK:
DO ON ERROR UNDO MAIN-BLOCK, LEAVE MAIN-BLOCK
ON END-KEY UNDO MAIN-BLOCK, LEAVE MAIN-BLOCK:
RUN initObject.
RUN startLevel.
APPLY 'entry' TO FRAME {&FRAME-NAME}.
IF NOT THIS-PROCEDURE:PERSISTENT THEN
WAIT-FOR CLOSE OF THIS-PROCEDURE.
END.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
/* ********************** Internal Procedures *********************** */
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE calcBlockSize wSokoDigger
PROCEDURE calcBlockSize :
/* Calc the blocksize by examining all levels
*/
DEFINE VARIABLE iPosY AS INTEGER NO-UNDO.
DEFINE VARIABLE iPosX AS INTEGER NO-UNDO.
DEFINE VARIABLE iMinX AS INTEGER NO-UNDO.
DEFINE VARIABLE iMinY AS INTEGER NO-UNDO.
DEFINE VARIABLE iMaxX AS INTEGER NO-UNDO.
DEFINE VARIABLE iMaxY AS INTEGER NO-UNDO.
DEFINE VARIABLE cLine AS CHARACTER NO-UNDO.
DEFINE BUFFER bLevel FOR ttLevel.
/* Get min/max coordinates of the levels */
FOR EACH bLevel {&TABLE-SCAN}:
DO iPosY = 1 TO NUM-ENTRIES(bLevel.cData,'|'):
cLine = ENTRY(iPosY,bLevel.cData,'|').
#CheckX:
DO iPosX = 1 TO LENGTH(cLine):
IF SUBSTRING(cLine,iPosX,1) = ' ' THEN NEXT #CheckX.
ASSIGN
iMinX = MINIMUM(iMinX, iPosX)
iMaxX = MAXIMUM(iMaxX, iPosX)
iMinY = MINIMUM(iMinY, iPosY)
iMaxY = MAXIMUM(iMaxY, iPosY).
END.
END.
END.
/* Calculate new size for buttons */
ASSIGN
giMaxWidth = (iMaxX - iMinX)
giMaxHeight = (iMaxY - iMinY)
giBlockWidth = TRUNCATE(FRAME frMain:WIDTH-PIXELS / giMaxWidth ,0)
giBlockHeight = TRUNCATE(FRAME frMain:HEIGHT-PIXELS / giMaxHeight,0)
.
END PROCEDURE. /* calcBlockSize */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE createField wSokoDigger
PROCEDURE createField :
/* Create a field in the tt for an element on the board.
*/
DEFINE INPUT PARAMETER pcType AS CHARACTER NO-UNDO.
DEFINE INPUT PARAMETER piPosX AS INTEGER NO-UNDO.
DEFINE INPUT PARAMETER piPosY AS INTEGER NO-UNDO.
DEFINE BUFFER bBlock FOR ttBlock.
/* create a record for each element */
CREATE bBlock.
ASSIGN bBlock.iPosX = piPosX
bBlock.iPosY = piPosY
bBlock.cType = pcType.
/* create a widget for each element */
bBlock.hBlock = getSavedImage(bBlock.cType).
/* if it is Solid, we cannot walk thru it */
bBlock.lSolid = NOT CAN-DO('target',pcType).
END PROCEDURE. /* createField */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE disable_UI wSokoDigger _DEFAULT-DISABLE
PROCEDURE disable_UI :
/*------------------------------------------------------------------------------
Purpose: DISABLE the User Interface
Parameters: <none>
Notes: Here we clean-up the user-interface by deleting
dynamic widgets we have created and/or hide
frames. This procedure is usually called when
we are ready to "clean-up" after running.
------------------------------------------------------------------------------*/
/* Delete the WINDOW we created */
IF SESSION:DISPLAY-TYPE = "GUI":U AND VALID-HANDLE(wSokoDigger)
THEN DELETE WIDGET wSokoDigger.
IF THIS-PROCEDURE:PERSISTENT THEN DELETE PROCEDURE THIS-PROCEDURE.
END PROCEDURE.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE drawButtons wSokoDigger
PROCEDURE drawButtons :
/* Draw the buttons of the level according to current sizes.
*/
DEFINE BUFFER bBlock FOR ttBlock.
FOR EACH bBlock {&TABLE-SCAN}:
RUN drawElement(ROWID(bBlock)).
END. /* for each bBlock */
FOR EACH bBlock {&TABLE-SCAN}:
ASSIGN bBlock.hBlock:VISIBLE = TRUE.
END. /* for each bBlock */
END PROCEDURE. /* drawButtons */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE drawElement wSokoDigger
PROCEDURE drawElement :
/* Draw a single element.
*/
DEFINE INPUT PARAMETER prBlock AS ROWID NO-UNDO.
DEFINE BUFFER bBlock FOR ttBlock.
FIND bBlock WHERE ROWID(bBlock) = prBlock NO-ERROR.
IF AVAILABLE bBlock THEN
ASSIGN
bBlock.hBlock:X = ( bBlock.iPosX - 1) * giBlockWidth + 1
bBlock.hBlock:Y = ( bBlock.iPosY - 1) * giBlockHeight + 1
bBlock.hBlock:WIDTH-PIXELS = giBlockWidth
bBlock.hBlock:HEIGHT-PIXELS = giBlockHeight.
END PROCEDURE. /* drawElement */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE dumpData wSokoDigger
PROCEDURE dumpData :
DEFINE VARIABLE cLine AS CHARACTER NO-UNDO.
DEFINE VARIABLE cChar AS CHARACTER NO-UNDO.
DEFINE VARIABLE cFile AS CHARACTER NO-UNDO.
cFile = SESSION:TEMP-DIR + 'SokoDigger.txt'.
OUTPUT TO VALUE(cFile).
FOR EACH ttBlock BREAK BY ttBlock.iPosY BY ttBlock.iPosX:
IF FIRST-OF(ttBlock.iPosY) THEN cLine = FILL(' ',20).
/* Signs: @ = player $ = box * = box on targetplace
** # = wall . = targetplace + = player on targetplace
*/
CASE ttBlock.cType:
WHEN 'wall' THEN cChar = '#'.
WHEN 'box' THEN cChar = '$'.
WHEN 'box-ok' THEN cChar = '*'.
WHEN 'target' THEN cChar = '.'.
WHEN 'player' THEN cChar = '@'.
END CASE.
SUBSTRING(cLine,ttBlock.iPosX,1) = cChar.
IF LAST-OF(ttBlock.iPosY) THEN PUT UNFORMATTED cLine SKIP.
END.
OUTPUT CLOSE.
END PROCEDURE.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE enable_UI wSokoDigger _DEFAULT-ENABLE
PROCEDURE enable_UI :
/*------------------------------------------------------------------------------
Purpose: ENABLE the User Interface
Parameters: <none>
Notes: Here we display/view/enable the widgets in the
user-interface. In addition, OPEN all queries
associated with each FRAME and BROWSE.
These statements here are based on the "Other
Settings" section of the widget Property Sheets.
------------------------------------------------------------------------------*/
VIEW FRAME frMain IN WINDOW wSokoDigger.
{&OPEN-BROWSERS-IN-QUERY-frMain}
VIEW wSokoDigger.
END PROCEDURE.
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE initObject wSokoDigger
PROCEDURE initObject :
/* Initialize variables and calculate block width and height.
*/
DEFINE VARIABLE iColor AS INTEGER NO-UNDO.
RUN enable_ui.
/* Set max dimensions for the window to that of the monitor */
THIS-PROCEDURE:CURRENT-WINDOW = {&WINDOW-NAME}.
{&WINDOW-NAME}:MAX-WIDTH-PIXELS = SESSION:WIDTH-PIXELS.
{&WINDOW-NAME}:MAX-HEIGHT-PIXELS = SESSION:HEIGHT-PIXELS.
/* Set bg color of frame to a kind of sand color */
iColor = COLOR-TABLE:NUM-ENTRIES.
COLOR-TABLE:NUM-ENTRIES = iColor + 1.
COLOR-TABLE:SET-DYNAMIC (iColor,TRUE).
COLOR-TABLE:SET-RED-VALUE (iColor, 222).
COLOR-TABLE:SET-GREEN-VALUE(iColor, 214).
COLOR-TABLE:SET-BLUE-VALUE (iColor, 173).
FRAME frMain:BGCOLOR = iColor.
/* uib */
IF LOOKUP(PROPATH,'c:\Data\DropBox\progress\Sokoban') = 0 THEN
PROPATH = PROPATH + ',c:\Data\DropBox\progress\Sokoban'.
RUN readLevelFile(SEARCH('SokoDigger.txt')).
RUN calcBlockSize.
/* Get last completed level */
giCurrentLevel = INTEGER(getRegistry('DataDigger','SokobanLevel')) NO-ERROR.
IF giCurrentLevel = ? THEN giCurrentLevel = 1.
END PROCEDURE. /* initObject */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE levelCompleted wSokoDigger
PROCEDURE levelCompleted :
/* Level has been completed.
*/
MESSAGE "Congratulations, you have completed level" giCurrentLevel "in" giNumMoves " moves." VIEW-AS ALERT-BOX INFORMATION.
giCurrentLevel = giCurrentLevel + 1.
RUN startLevel.
END PROCEDURE. /* levelCompleted */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE lockWindow wSokoDigger
PROCEDURE lockWindow :
/* Lock / unlock updates that Windows does to windows.
*/
DEFINE INPUT PARAMETER phWindow AS HANDLE NO-UNDO.
DEFINE INPUT PARAMETER plLock AS LOGICAL NO-UNDO.
DEFINE VARIABLE iRet AS INTEGER NO-UNDO.
/* Locking / unlocking windows */
&GLOBAL-DEFINE WM_SETREDRAW 11
&GLOBAL-DEFINE RDW_ALLCHILDREN 128
&GLOBAL-DEFINE RDW_ERASE 4
&GLOBAL-DEFINE RDW_INVALIDATE 1
IF NOT VALID-HANDLE(phWindow) THEN RETURN.
/* Keep track of locking order like: lock, lock, unlock, unlock
* then onlu unlock at the last unlock */
giLockCounter = giLockCounter + (IF plLock THEN 1 ELSE -1).
IF phWindow:HWND <> ? THEN
DO:
IF giLockCounter > 0 THEN
RUN SendMessageA(phWindow:HWND, {&WM_SETREDRAW}, 0, 0, OUTPUT iRet).
ELSE
DO:
RUN SendMessageA(phWindow:HWND, {&WM_SETREDRAW}, 1, 0, OUTPUT iRet).
RUN RedrawWindow(phWindow:HWND, 0, 0, {&RDW_ALLCHILDREN} + {&RDW_ERASE} + {&RDW_INVALIDATE}, OUTPUT iRet).
END.
END.
END PROCEDURE. /* lockWindow */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE moveBlock wSokoDigger
PROCEDURE moveBlock :
/* Move a block and check if it is placed on a target field.
*/
DEFINE INPUT PARAMETER prBox AS ROWID NO-UNDO.
DEFINE INPUT PARAMETER piDifX AS INTEGER NO-UNDO.
DEFINE INPUT PARAMETER piDifY AS INTEGER NO-UNDO.
DEFINE BUFFER bBox FOR ttBlock.
DEFINE BUFFER bTarget FOR ttBlock.
FIND bBox WHERE ROWID(bBox) = prBox NO-ERROR.
IF NOT AVAILABLE bBox THEN RETURN.
/* Was there a target place underneath the box? */
FIND bTarget
WHERE bTarget.iPosX = bBox.iPosX
AND bTarget.iPosY = bBox.iPosY
AND bTarget.cType = 'target'
NO-ERROR.
IF AVAILABLE bTarget THEN
DO:
bTarget.hBlock:VISIBLE = TRUE.
RUN saveImage(bBox.cType,bBox.hBlock).
bBox.cType = 'box'.
bBox.hBlock = getSavedImage(bBox.cType).
bBox.hBlock:VISIBLE = TRUE.
END.
/* move the box */
ASSIGN
bBox.iPosX = bBox.iPosX + piDifX
bBox.iPosY = bBox.iPosY + piDifY.
/* Box moved onto target */
FIND bTarget
WHERE bTarget.iPosX = bBox.iPosX
AND bTarget.iPosY = bBox.iPosY
AND bTarget.cType = 'target'
NO-ERROR.
IF AVAILABLE bTarget THEN
DO:
bTarget.hBlock:VISIBLE = FALSE.
RUN saveImage(bBox.cType,bBox.hBlock).
bBox.cType = 'box-ok'.
bBox.hBlock = getSavedImage(bBox.cType).
bBox.hBlock:VISIBLE = TRUE.
END.
/* draw box */
RUN drawElement(prBox).
END PROCEDURE. /* moveBlock */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE movePlayer wSokoDigger
PROCEDURE movePlayer :
/* Move the player to a new position
*/
DEFINE INPUT PARAMETER piMoveX AS INTEGER NO-UNDO.
DEFINE INPUT PARAMETER piMoveY AS INTEGER NO-UNDO.
DEFINE BUFFER bPlayer FOR ttBlock.
DO WITH FRAME {&FRAME-NAME}:
/* Move the player to the new position */
FIND bPlayer WHERE bPlayer.cType = 'player' NO-ERROR.
IF NOT AVAILABLE bPlayer THEN RETURN.
ASSIGN
bPlayer.iPosX = bPlayer.iPosX + piMoveX
bPlayer.iPosY = bPlayer.iPosY + piMoveY
.
/* Place the player's image */
ASSIGN
bPlayer.hBlock:VISIBLE = FALSE
bPlayer.hBlock:X = (bPlayer.iPosX - 1) * giBlockWidth + 1
bPlayer.hBlock:Y = (bPlayer.iPosY - 1) * giBlockHeight + 1
bPlayer.hBlock:WIDTH-PIXELS = giBlockWidth
bPlayer.hBlock:HEIGHT-PIXELS = giBlockHeight
bPlayer.hBlock:VISIBLE = TRUE
.
END.
END PROCEDURE. /* movePlayer */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE processKeystroke wSokoDigger
PROCEDURE processKeystroke :
/* Check if the keystroke is a legal move and if the game is completed.
*/
DEFINE INPUT PARAMETER pcKeyLabel AS CHARACTER NO-UNDO.
DEFINE OUTPUT PARAMETER plCompleted AS LOGICAL NO-UNDO.
DEFINE BUFFER bMove FOR ttMove.
DEFINE BUFFER bBlock FOR ttBlock.
DEFINE BUFFER bBlock2 FOR ttBlock.
DEFINE VARIABLE lValidMove AS LOGICAL INITIAL ? NO-UNDO.
DEFINE VARIABLE iNewX AS INTEGER NO-UNDO.
DEFINE VARIABLE iNewY AS INTEGER NO-UNDO.
/* Delete 'future' moves in case the player undoes a number of moves,
** redoes some of the undone moves and before he has redone all undone
** moves, he gives new keystrokes. All moves which at that point have not
** been redone, will be deleted.
*/
FOR EACH bMove WHERE bMove.iMoveNr > giNumMoves:
DELETE bMove.
END.
/* Register the move. */
CREATE bMove.
ASSIGN giNumMoves = giNumMoves + 1
bMove.iMoveNr = giNumMoves
bMove.cDirection = pcKeyLabel.
/* Calculate steps */
CASE pcKeyLabel:
WHEN 'up' THEN ASSIGN bMove.iDeltaY = -1.
WHEN 'down' THEN ASSIGN bMove.iDeltaY = 1.
WHEN 'right' THEN ASSIGN bMove.iDeltaX = 1.
WHEN 'left' THEN ASSIGN bMove.iDeltaX = -1.
END CASE.
/* Calculate new position of the player */
FIND bBlock WHERE bBlock.cType = 'player' NO-ERROR.
IF NOT AVAILABLE bBlock THEN RETURN.
ASSIGN
iNewX = bBlock.iPosX + bMove.iDeltaX
iNewY = bBlock.iPosY + bMove.iDeltaY.
/* Check if move is allowed. Determine wether the position the player
** wants to go to is a blank place. In that case, the keystroke need
** no further processing.
*/
FIND bBlock
WHERE bBlock.iPosX = iNewX
AND bBlock.iPosY = iNewY
AND bBlock.lSolid = TRUE
NO-ERROR.
IF NOT AVAILABLE bBlock THEN
ASSIGN lValidMove = TRUE.
ELSE
DO:
/* So, not a blank place. Check if it is a block and if the block can be moved
** by checking if the place beneath the block is a blank one.
*/
IF CAN-DO('box,box-ok',bBlock.cType)
AND NOT CAN-FIND(bBlock
WHERE bBlock.iPosX = iNewX + bMove.iDeltaX
AND bBlock.iPosY = iNewY + bMove.iDeltaY
AND bBlock.lSolid = TRUE) THEN
DO:
RUN moveBlock(ROWID(bBlock), bMove.iDeltaX, bMove.iDeltaY).
ASSIGN lValidMove = TRUE.
/* Register the move of the block */
ASSIGN bMove.rBlock = ROWID(bBlock).
END. /* block */
ELSE
ASSIGN lValidMove = FALSE.
END.
/* if the move is valid, move the player to the right place */
IF lValidMove THEN
RUN movePlayer(bMove.iDeltaX, bMove.iDeltaY).
ELSE
DO:
DELETE bMove. /* otherwise cancel the move */
ASSIGN giNumMoves = giNumMoves - 1.
END.
/*
** Check if the level has been completed.
*/
FIND FIRST bBlock
WHERE bBlock.cType BEGINS 'box'
AND NOT CAN-FIND(bBlock2 WHERE bBlock2.iPosX = bBlock.iPosX
AND bBlock2.iPosY = bBlock.iPosY
AND bBlock2.cType = 'target' ) NO-ERROR.
ASSIGN plCompleted = (NOT AVAILABLE bBlock).
END PROCEDURE. /* processKeystroke */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE readLevelFile wSokoDigger
PROCEDURE readLevelFile :
/* Read a sokoban level file into ttLevel
*/
DEFINE INPUT PARAMETER pcLevelFile AS CHARACTER NO-UNDO.
DEFINE VARIABLE cLine AS CHARACTER NO-UNDO.
DEFINE VARIABLE iLevNum AS INTEGER NO-UNDO.
DEFINE BUFFER bLevel FOR ttLevel.
FIND LAST bLevel NO-ERROR.
ASSIGN iLevNum = (IF AVAILABLE bLevel THEN bLevel.iLevelNr ELSE 0).
INPUT FROM VALUE(pcLevelFile).
#ReadCollection:
REPEAT:
/* New level */
iLevNum = iLevNum + 1.
CREATE bLevel.
ASSIGN bLevel.iLevelNr = iLevNum.
/* Read until level starts */
#HeaderBlock:
REPEAT ON ENDKEY UNDO, LEAVE #ReadCollection:
IMPORT UNFORMATTED cLine.
IF cLine MATCHES '*#*' THEN LEAVE #HeaderBlock.
END.
/* Read level data */
#LevelBlock:
REPEAT ON ENDKEY UNDO, LEAVE #ReadCollection:
bLevel.cData = bLevel.cData + cLine + '|'.
IMPORT UNFORMATTED cLine.
IF NOT cLine MATCHES '*#*' THEN LEAVE #LevelBlock.
END.
/* Read level info */
#InfoBlock:
REPEAT ON ENDKEY UNDO, LEAVE #ReadCollection:
IF cLine = '' THEN LEAVE #InfoBlock.
IMPORT UNFORMATTED cLine.
END.
END.
DELETE bLevel.
INPUT CLOSE.
END PROCEDURE. /* readLevelFile */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE redoMove wSokoDigger
PROCEDURE redoMove :
/* Redo the next move in the bMove table
*/
DEFINE VARIABLE iDifX AS INTEGER NO-UNDO.
DEFINE VARIABLE iDifY AS INTEGER NO-UNDO.
DEFINE BUFFER bMove FOR ttMove.
FIND bMove WHERE bMove.iMoveNr = giNumMoves + 1 NO-ERROR.
IF NOT AVAILABLE bMove THEN RETURN.
ASSIGN giNumMoves = giNumMoves + 1.
/* Calculate new coordinates. */
CASE bMove.cDirection:
WHEN 'up' THEN ASSIGN iDifY = -1.
WHEN 'down' THEN ASSIGN iDifY = 1.
WHEN 'right' THEN ASSIGN iDifX = 1.
WHEN 'left' THEN ASSIGN iDifX = -1.
END CASE.
/* Move the player */
RUN movePlayer(iDifX,iDifY).
/* If a block was moved, move it back. */
IF bMove.rBlock <> ? THEN
RUN moveBlock ( bMove.rBlock, iDifX, iDifY).
END PROCEDURE. /* redoMove */
/* _UIB-CODE-BLOCK-END */
&ANALYZE-RESUME
&ANALYZE-SUSPEND _UIB-CODE-BLOCK _PROCEDURE resizeWindow wSokoDigger
PROCEDURE resizeWindow :
/* Calculate dimensions of frame and buttons, based on parent window.
*/
DEFINE VARIABLE hParent AS HANDLE NO-UNDO.
DEFINE VARIABLE hFrame AS HANDLE NO-UNDO.
/* Adjust frame to fit in window */
hFrame = FRAME {&FRAME-NAME}:HANDLE.
hParent = {&WINDOW-NAME}:HANDLE.
/* Adjust screen size to make blocks fit nicely */
hParent:WIDTH-PIXELS = (INTEGER(hParent:WIDTH-PIXELS / 20) * 20).
hParent:HEIGHT-PIXELS = (INTEGER(hParent:HEIGHT-PIXELS / 20) * 20).
ASSIGN
hFrame:SCROLLABLE = TRUE
hFrame:VIRTUAL-WIDTH-PIXELS = hParent:WIDTH-PIXELS
hFrame:VIRTUAL-HEIGHT-PIXELS = hParent:HEIGHT-PIXELS
hFrame:WIDTH-PIXELS = hParent:WIDTH-PIXELS
hFrame:VIRTUAL-WIDTH-PIXELS = hParent:WIDTH-PIXELS