add bonus squares for 21x21 board (linux only)

xwords4/common/comtypes.h

@@ -212,6 +212,8 @@ typedef enum {
     BONUS_DOUBLE_WORD,
     BONUS_TRIPLE_LETTER,
     BONUS_TRIPLE_WORD,
+    BONUS_QUAD_LETTER,
+    BONUS_QUAD_WORD,
 
     BONUS_LAST
 } XWBonusType;

xwords4/common/mscore.c

@@ -620,6 +620,8 @@ word_multiplier( const ModelCtxt* model, XWEnv xwe, XP_U16 col, XP_U16 row )
         return 2;
     case BONUS_TRIPLE_WORD:
         return 3;
+    case BONUS_QUAD_WORD:
+        return 4;
     default:
         return 1;
     }
@@ -634,6 +636,8 @@ tile_multiplier( const ModelCtxt* model, XWEnv xwe, XP_U16 col, XP_U16 row )
         return 2;
     case BONUS_TRIPLE_LETTER:
         return 3;
+    case BONUS_QUAD_LETTER:
+        return 4;
     default:
         return 1;
     }

xwords4/linux/linuxutl.c

@@ -115,6 +115,8 @@ linux_util_makeEmptyDict( XW_UtilCtxt* XP_UNUSED_DBG(uctx), XWEnv xwe )
 #define DW BONUS_DOUBLE_WORD
 #define TL BONUS_TRIPLE_LETTER
 #define TW BONUS_TRIPLE_WORD
+#define QL BONUS_QUAD_LETTER
+#define QW BONUS_QUAD_WORD
 
 static XWBonusType*
 bonusesFor( XP_U16 boardSize, XP_U16* len )
@@ -146,17 +148,37 @@ bonusesFor( XP_U16 boardSize, XP_U16* len )
         EM,EM,DL,EM,EM,EM,DL,//EM,
         TW,EM,EM,DL,EM,EM,EM,DW,
         TW,EM,EM,DL,EM,EM,EM,DW,DW,
-    }; /* scrabbleBoard */
+    }; /* seventeen */
+
+    static XWBonusType twentyOne[] = {
+        QW,
+        EM, DW,
+        EM, EM, DW,
+        DL, EM, EM, TW,
+        EM, TL, EM, EM, DW,
+        EM, EM, QL, EM, EM, DW,
+        EM, EM, EM, DL, EM, EM, DW,
+        TW, EM, EM, EM, EM, EM, EM, DW,
+        EM, DW, EM, EM, TL, EM, EM, EM, TL,
+        EM, EM, DW, EM, EM, DL, EM, EM, EM, DL,
+        DL, EM, EM, TW, EM, EM, DL, EM, EM, EM, DW,
+    }; /* twentyOne */
 
     XWBonusType* result = NULL;
-    if ( boardSize == 15 ) {
+    switch ( boardSize ) {
+    case 15:
         result = scrabbleBoard;
         *len = VSIZE(scrabbleBoard);
-    } else if ( boardSize == 17 ) {
+        break;
+    case 17:
         result = seventeen;
         *len = VSIZE(seventeen);
+        break;
+    case 21:
+        result = twentyOne;
+        *len = VSIZE(twentyOne);
+        break;
     }
-
     return result;
 }