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267 lines
10 KiB
C
267 lines
10 KiB
C
/* -*- fill-column: 78; compile-command: "cd ../linux && make -j MEMDEBUG=TRUE"; -*- */
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/*
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* Copyright 1997 - 2009 by Eric House (xwords@eehouse.org). All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _MODEL_H_
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#define _MODEL_H_
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#include "comtypes.h"
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#include "dictnry.h"
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#include "mempool.h"
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#ifdef CPLUS
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extern "C" {
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#endif
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#define MAX_ROWS 16
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#define MAX_COLS 16
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#define NUMCOLS_NBITS 4
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#ifdef EIGHT_TILES
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#define MAX_TRAY_TILES 8
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#define NTILES_NBITS 4
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#else
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#define MAX_TRAY_TILES 7
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#define NTILES_NBITS 3
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#endif
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/* Try making this 0, as some local rules, e.g. Spanish, allow. Will need to
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* add UI to limit the number of tiles selected to that remaining in the pool.
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*/
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#define MIN_TRADE_TILES MAX_TRAY_TILES
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/* apply to CellTile */
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#define TILE_VALUE_MASK 0x003F
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#define TILE_BLANK_BIT 0x0040
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#define IS_BLANK(t) (((t)&TILE_BLANK_BIT)!= 0)
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#define TILE_EMPTY_BIT 0x0080
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#define TILE_PENDING_BIT 0x0100
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#define PREV_MOVE_BIT 0x200
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#define CELL_OWNER_MASK 0x0C00
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#define CELL_OWNER_OFFSET 10
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#define CELL_OWNER(t) (((t)&CELL_OWNER_MASK) >> CELL_OWNER_OFFSET)
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#define MAX_UNIQUE_TILES 64 /* max tile non-blank faces */
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#define MAX_NUM_BLANKS 4
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/* Used by scoring code and engine as fast representation of moves. */
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typedef struct MoveInfoTile {
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XP_U8 varCoord; /* 5 bits ok (0-16 for 17x17 board) */
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Tile tile; /* 6 bits will do */
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} MoveInfoTile;
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typedef struct MoveInfo {
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XP_U8 nTiles; /* 4 bits: 0-7 */
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XP_U8 commonCoord; /* 5 bits: 0-16 if 17x17 possible */
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XP_Bool isHorizontal; /* 1 bit */
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/* If this is to go on an undo stack, we need player num here, or the code
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has to keep track of it *and* there must be exactly one entry per
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player per turn. */
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MoveInfoTile tiles[MAX_TRAY_TILES];
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} MoveInfo;
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typedef XP_U8 TrayTile;
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typedef struct TrayTileSet {
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XP_U8 nTiles;
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TrayTile tiles[MAX_TRAY_TILES];
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} TrayTileSet;
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typedef struct BlankQueue {
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XP_U16 nBlanks;
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XP_U8 col[MAX_NUM_BLANKS];
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XP_U8 row[MAX_NUM_BLANKS];
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} BlankQueue;
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typedef XP_U8 TileBit; /* bits indicating selection of tiles in tray */
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#define ALLTILES ((TileBit)~(0xFF<<(MAX_TRAY_TILES)))
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#define ILLEGAL_MOVE_SCORE (-1)
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#define EMPTY_TILE TILE_EMPTY_BIT
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#define TILE_IS_EMPTY(t) (((t)&TILE_EMPTY_BIT)!=0)
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#define REVERSED_TILE TILE_PENDING_BIT /* reuse that bit for tile drawing
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only */
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ModelCtxt* model_make( MPFORMAL DictionaryCtxt* dict, XW_UtilCtxt* util,
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XP_U16 nCols, XP_U16 nRows );
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ModelCtxt* model_makeFromStream( MPFORMAL XWStreamCtxt* stream,
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DictionaryCtxt* dict, XW_UtilCtxt* util );
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void model_writeToStream( ModelCtxt* model, XWStreamCtxt* stream );
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void model_init( ModelCtxt* model, XP_U16 nCols, XP_U16 nRows );
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void model_destroy( ModelCtxt* model );
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void model_setNPlayers( ModelCtxt* model, XP_U16 numPlayers );
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void model_setDictionary( ModelCtxt* model, DictionaryCtxt* dict );
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DictionaryCtxt* model_getDictionary( const ModelCtxt* model );
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XP_Bool model_getTile( const ModelCtxt* model, XP_U16 col, XP_U16 row,
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XP_Bool getPending, XP_S16 turn,
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Tile* tile, XP_Bool* isBlank,
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XP_Bool* isPending, XP_Bool* isRecent );
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void model_listPlacedBlanks( ModelCtxt* model, XP_U16 turn,
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XP_Bool includePending, BlankQueue* bcp );
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XP_U16 model_getCellOwner( ModelCtxt* model, XP_U16 col, XP_U16 row );
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void model_assignPlayerTiles( ModelCtxt* model, XP_S16 turn,
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TrayTileSet* tiles );
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Tile model_getPlayerTile( ModelCtxt* model, XP_S16 turn, XP_S16 index );
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Tile model_removePlayerTile( ModelCtxt* model, XP_S16 turn, XP_S16 index );
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void model_addPlayerTile( ModelCtxt* model, XP_S16 turn, XP_S16 index,
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Tile tile );
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void model_moveTileOnTray( ModelCtxt* model, XP_S16 turn, XP_S16 indexCur,
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XP_S16 indexNew );
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/* As an optimization, return a pointer to the model's array of tiles for a
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player. Don't even think about modifying the array!!!! */
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const TrayTileSet* model_getPlayerTiles( ModelCtxt* model, XP_S16 turn );
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XP_U16 model_getNumTilesInTray( ModelCtxt* model, XP_S16 turn );
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XP_U16 model_getNumTilesTotal( ModelCtxt* model, XP_S16 turn );
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void model_moveBoardToTray( ModelCtxt* model, XP_S16 turn,
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XP_U16 col, XP_U16 row, XP_U16 trayOffset );
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void model_moveTrayToBoard( ModelCtxt* model, XP_S16 turn, XP_U16 col,
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XP_U16 row, XP_S16 tileIndex, Tile blankFace );
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XP_Bool model_moveTileOnBoard( ModelCtxt* model, XP_S16 turn, XP_U16 colCur,
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XP_U16 rowCur, XP_U16 colNew, XP_U16 rowNew );
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XP_S16 model_trayContains( ModelCtxt* model, XP_S16 turn, Tile tile );
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XP_U16 model_numRows( const ModelCtxt* model );
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XP_U16 model_numCols( const ModelCtxt* model );
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/* XP_U16 model_numTilesCurrentTray( ModelCtxt* model ); */
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/* Tile model_currentTrayTile( ModelCtxt* model, XP_U16 index ); */
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void model_addToCurrentMove( ModelCtxt* model, XP_S16 turn,
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XP_U16 col, XP_U16 row,
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Tile tile, XP_Bool isBlank );
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XP_U16 model_getCurrentMoveCount( ModelCtxt* model, XP_S16 turn );
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void model_getCurrentMoveTile( ModelCtxt* model, XP_S16 turn, XP_S16* index,
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Tile* tile, XP_U16* col, XP_U16* row,
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XP_Bool* isBlank );
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void model_commitTurn( ModelCtxt* model, XP_S16 player,
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TrayTileSet* newTiles );
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void model_commitRejectedPhony( ModelCtxt* model, XP_S16 player );
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void model_makeTileTrade( ModelCtxt* model, XP_S16 player,
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TrayTileSet* oldTiles, TrayTileSet* newTiles );
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XP_Bool model_undoLatestMoves( ModelCtxt* model, PoolContext* pool,
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XP_U16 nMovesSought, XP_U16* turn,
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XP_S16* moveNum );
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void model_rejectPreviousMove( ModelCtxt* model, PoolContext* pool,
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XP_U16* turn );
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void model_trayToStream( ModelCtxt* model, XP_S16 turn,
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XWStreamCtxt* stream );
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void model_currentMoveToStream( ModelCtxt* model, XP_S16 turn,
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XWStreamCtxt* stream);
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void model_makeTurnFromStream( ModelCtxt* model, XP_U16 playerNum,
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XWStreamCtxt* stream );
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void model_makeTurnFromMoveInfo( ModelCtxt* model, XP_U16 playerNum,
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MoveInfo* newMove );
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void model_resetCurrentTurn( ModelCtxt* model, XP_S16 turn );
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/********************* notification ********************/
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typedef void (*BoardListener)(void* data, XP_U16 turn, XP_U16 col,
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XP_U16 row, XP_Bool added );
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void model_setBoardListener( ModelCtxt* model, BoardListener bl,
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void* data );
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typedef void (*TrayListener)( void* data, XP_U16 turn,
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XP_S16 index1, XP_S16 index2 );
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void model_setTrayListener( ModelCtxt* model, TrayListener bl,
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void* data );
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typedef void (*DictListener)( void* data, const DictionaryCtxt* oldDict,
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const DictionaryCtxt* newDict );
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void model_setDictListener( ModelCtxt* model, DictListener dl,
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void* data );
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void model_foreachPendingCell( ModelCtxt* model, XP_S16 turn,
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BoardListener bl, void* data );
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void model_foreachPrevCell( ModelCtxt* model, BoardListener bl, void* data );
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void model_writeGameHistory( ModelCtxt* model, XWStreamCtxt* stream,
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ServerCtxt* server, /* for player names */
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XP_Bool gameOver );
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/* for the tile values dialog: total all the tiles in players trays and
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tentatively placed on the board. */
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void model_countAllTrayTiles( ModelCtxt* model, XP_U16* counts,
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XP_S16 excludePlayer );
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/********************* scoring ********************/
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typedef XP_Bool (*WordNotifierProc)( XP_UCHAR* word, void* closure );
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typedef struct WordNotifierInfo {
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WordNotifierProc proc;
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void* closure;
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} WordNotifierInfo;
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XP_Bool getCurrentMoveScoreIfLegal( ModelCtxt* model, XP_S16 turn,
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XWStreamCtxt* stream, XP_S16* score );
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XP_S16 model_getPlayerScore( ModelCtxt* model, XP_S16 player );
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XP_Bool model_getPlayersLastScore( ModelCtxt* model, XP_S16 player,
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XP_UCHAR* expl, XP_U16* explLen );
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/* Have there been too many passes (so game should end)? */
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XP_Bool model_recentPassCountOk( ModelCtxt* model );
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XP_Bool model_checkMoveLegal( ModelCtxt* model, XP_S16 player,
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XWStreamCtxt* stream,
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WordNotifierInfo* notifyInfo );
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typedef struct _ScoresArray { XP_S16 arr[MAX_NUM_PLAYERS]; } ScoresArray;
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void model_figureFinalScores( ModelCtxt* model, ScoresArray* scores,
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ScoresArray* tilePenalties );
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/* figureMoveScore is meant only for the engine's use */
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XP_U16 figureMoveScore( const ModelCtxt* model, MoveInfo* moveInfo,
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EngineCtxt* engine, XWStreamCtxt* stream,
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WordNotifierInfo* notifyInfo, XP_UCHAR* mainWord,
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XP_U16 mainWordLen );
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/********************* persistence ********************/
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#ifdef INCLUDE_IO_SUPPORT
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void model_load( ModelCtxt* model, XP_Stream* inStream );
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void model_store( ModelCtxt* model, XP_Stream* outStream );
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#endif
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/* a utility function needed by server too. Not a clean design, this. */
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void model_packTilesUtil( ModelCtxt* model, PoolContext* pool,
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XP_Bool includeBlank,
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XP_U16* nUsed, const XP_UCHAR** texts,
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Tile* tiles );
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#ifdef CPLUS
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}
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#endif
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#endif
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