src/BlockManager.cxx

   1 /*
   2  * BlockManager.cxx
   3  * Daniel Nelson - 8/24/0
   4  *
   5  * Copyright (C) 2000  Daniel Nelson
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20  *
  21  * Daniel Nelson - aluminumangel.org
  22  * 174 W. 18th Ave.
  23  * Columbus, OH  43210
  24  *
  25  * Allocates and frees blocks.
  26  */
  27
  28 #include "BlockManager.h"
  29
  30 #include "Game.h"
  31 #include "ComboTabulator.h"
  32 #include "Random.h"
  33 #include "X.h"
  34
  35 int BlockManager::block_count;
  36 Block BlockManager::blockStore[GC_BLOCK_STORE_SIZE];
  37 bool BlockManager::storeMap[GC_BLOCK_STORE_SIZE];
  38
  39 int BlockManager::last_flavor_a, BlockManager::second_to_last_flavor_a;
  40 int BlockManager::last_flavor_c, BlockManager::second_to_last_flavor_c;
  41 int BlockManager::last_row_a[GC_PLAY_WIDTH];
  42 int BlockManager::second_to_last_row_a[GC_PLAY_WIDTH];
  43 int BlockManager::last_row_c[GC_PLAY_WIDTH];
  44 int BlockManager::second_to_last_row_c[GC_PLAY_WIDTH];
  45 int BlockManager::special_block_location;
  46
  47 int BlockManager::next_pop_direction;
  48
  49 void BlockManager::gameStart (   )
  50 {
  51   block_count = 0;
  52   for (int n = GC_BLOCK_STORE_SIZE; n--; ) {
  53     storeMap[n] = false;
  54     blockStore[n].id = n;
  55   }
  56
  57   last_flavor_a = second_to_last_flavor_a = 0;
  58   last_flavor_c = second_to_last_flavor_c = 0;
  59   for (int x = GC_PLAY_WIDTH; x--; ) {
  60     last_row_a[x] = 0;
  61     second_to_last_row_a[x] = 0;
  62     last_row_c[x] = 0;
  63     second_to_last_row_c[x] = 0;
  64   }
  65
  66   next_pop_direction = (1 << 0);
  67
  68   special_block_location = -1;
  69 }
  70
  71 void BlockManager::newAwakingBlock ( int x, int y, int pop_delay,
  72  int awake_delay, ComboTabulator *combo, int pop_color )
  73 {
  74   int flavor;
  75
  76   do {
  77     flavor = Random::number(BF_NUMBER_NORMAL);
  78   } while ((flavor == last_flavor_a
  79    && last_flavor_a == second_to_last_flavor_a)
  80    || (flavor == last_row_a[x] && last_row_a[x] == second_to_last_row_a[x]));
  81
  82   second_to_last_row_a[x] = last_row_a[x];
  83   last_row_a[x] = flavor;
  84
  85   second_to_last_flavor_a = last_flavor_a;
  86   last_flavor_a = flavor;
  87
  88   newBlock(x, y, flavor, pop_delay, awake_delay, combo, pop_color);
  89 }
  90
  91 void BlockManager::newCreepBlock ( int x )
  92 {
  93   int flavor = 0;
  94
  95   if (x != special_block_location) {
  96     do
  97       flavor = Random::number(BF_NUMBER_NORMAL);
  98     while ((flavor == last_flavor_c && last_flavor_c
  99      == second_to_last_flavor_c) || (flavor == last_row_c[x] && last_row_c[x]
 100      == second_to_last_row_c[x]));
 101
 102     second_to_last_row_c[x] = last_row_c[x];
 103     last_row_c[x] = flavor;
 104
 105     second_to_last_flavor_c = last_flavor_c;
 106     last_flavor_c = flavor;
 107
 108   } else {
 109     int base_flavor = 0;
 110
 111     if (!(MetaState::mode & CM_X)) {
 112       if ((BF_GRAY == last_flavor_c && last_flavor_c
 113        == second_to_last_flavor_c) || (BF_GRAY == last_row_c[x]
 114        && last_row_c[x] == second_to_last_row_c[x]))
 115         do
 116           flavor = Random::number(BF_NUMBER_NORMAL);
 117         while ((flavor == last_flavor_c && last_flavor_c
 118          == second_to_last_flavor_c) || (flavor == last_row_c[x]
 119          && last_row_c[x] == second_to_last_row_c[x]));
 120       else
 121         flavor = BF_GRAY;
 122       base_flavor = flavor;
 123
 124     } else {
 125       do {
 126         switch (Random::number(10)) {
 127         case 0: case 1: case 2:
 128           base_flavor = flavor = BF_GRAY;
 129           break;
 130         case 3: case 4: case 5: case 6:
 131           base_flavor = mapSpecialColorFlavorToColor(flavor
 132            = Random::number(BF_NUMBER_NORMAL) + BF_SPECIAL_COLOR_1);
 133           if (!X::specialColorAllowed())
 134             flavor = base_flavor;
 135           break;
 136         case 7: case 8:
 137           if (X::wildAllowed())
 138             base_flavor = flavor = BF_WILD;
 139           else
 140             base_flavor = flavor = BF_GRAY;
 141           break;
 142         case 9:
 143           if (Random::chanceIn2(2))
 144             flavor = BF_BLACK;
 145           else
 146             flavor = BF_WHITE;
 147           base_flavor = mapFlavorToBaseFlavor(flavor);
 148           break;
 149         }
 150       } while ((base_flavor == last_flavor_c && last_flavor_c
 151        == second_to_last_flavor_c) || (base_flavor == last_row_c[x]
 152        && last_row_c[x] == second_to_last_row_c[x]));
 153     }
 154
 155     second_to_last_row_c[x] = last_row_c[x];
 156     last_row_c[x] = base_flavor;
 157
 158     second_to_last_flavor_c = last_flavor_c;
 159     last_flavor_c = base_flavor;
 160   }
 161
 162   newBlock(x, 0, flavor);
 163 }