src/ComputerPlayerAI.cxx

   1 /*
   2  * ComputerPlayerAI.cxx
   3  * Andrew Sayman - 3/27/05
   4  *
   5  * Copyright (C) 2005  Andrew Sayman
   6  * Copyright (C) 2005  Kevin Webb
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  */
  22
  23 #include "ComputerPlayerAI.h"
  24
  25 #include "Score.h"
  26 #include "Garbage.h"
  27 #include "GarbageGenerator.h"
  28 #include "Game.h"
  29
  30 #include <cassert>
  31
  32 #define loop(v,m) for(int v = 0; v<(m); v++)
  33 #define loopi(m) loop(i,m)
  34
  35 /* Begin ComputerPlayerAI */
  36 ComputerPlayerAI::ComputerPlayerAI ()
  37 {
  38   resetAlarm();
  39   last_shatter_height = 0;
  40   state = AI_WAITING;
  41   queue = new GarbageQueue();
  42 }
  43
  44 int ComputerPlayerAI::baseSteps()
  45 {
  46   return GC_STEPS_PER_SECOND;
  47 }
  48
  49 int ComputerPlayerAI::stateSteps()
  50 {
  51   if (state == AI_WAITING) {
  52     return (GC_CREEP_ADVANCE_VELOCITY * 5) // increase five lines
  53       + (GC_DYING_DELAY * 5); // five combos
  54   }
  55   if (state == AI_SHATTERING) {
  56     return garbageShatterDelay();
  57   }
  58         return GC_DYING_DELAY * 5;
  59 }
  60
  61 int ComputerPlayerAI::lossHeight()
  62 {
  63   return 4;
  64 }
  65
  66 void ComputerPlayerAI::resetAlarm()
  67 {
  68   last_time = Game::time_step;
  69 }
  70
  71 int ComputerPlayerAI::alarm()
  72 {
  73   return last_time + baseSteps() + stateSteps();
  74 }
  75
  76 int ComputerPlayerAI::garbageShatterDelay()
  77 {
  78   int delay = GC_INITIAL_POP_DELAY + (last_shatter_height * GC_PLAY_WIDTH * GC_INTERNAL_POP_DELAY) + GC_FINAL_POP_DELAY;
  79   return delay;
  80 }
  81
  82 GarbageQueue *ComputerPlayerAI::garbageQueue ()
  83 {
  84   return queue;
  85 }
  86
  87 GarbageQueue *ComputerPlayerAI::garbageAmount( )
  88 {
  89   GarbageQueue *q = new GarbageQueue();
  90   int working_height = GC_SAFE_HEIGHT - 1 - garbageQueue()->height();
  91   int num_grays, num_normals;
  92
  93   MESSAGE("Hard garbageAmount");
  94
  95   if (working_height > 0) {
  96     num_grays = working_height % 3;
  97   } else {
  98     num_grays = 0;
  99   }
 100
 101   num_normals = garbageQueue()->height() + working_height;
 102
 103   LOG("garbageQueue height " << garbageQueue()->height());
 104   LOG("grays: " << num_grays << " normals: " << num_normals);
 105   loopi(num_grays)
 106     q->add(1, 6, GF_GRAY);
 107
 108   int norm_div = num_normals / 3;
 109   int norm_mod = num_normals % 3;
 110   //int more_gray = norm_mod / 2;
 111   LOG("div: " << norm_div << " mod: " << norm_mod << " gray: " << more_gray);
 112   if (norm_div > 0) q->add(norm_div, 6, GF_NORMAL);
 113   loopi(norm_mod) q->add(1, 6, GF_NORMAL);
 114   //loopi(more_gray) q->add(1, 6, GF_GRAY);
 115
 116   shatter();
 117   return q;
 118 }
 119
 120 void ComputerPlayerAI::shatter()
 121 {
 122   MESSAGE("Resetting garbageQueue " << garbageQueue()->height());
 123   if (garbageQueue()->height() > 0) {
 124     state = AI_SHATTERING;
 125     //int gray_height = garbageQueue()->specialHeight();
 126     last_shatter_height = garbageQueue()->removeWithSpecials();
 127     MESSAGE(last_shatter_height << " shattered and " << garbageQueue()->height() << " remaining grays:" << gray_height);
 128     loopi(last_shatter_height) {
 129       if (Random::chanceIn(GC_GARBAGE_TO_GARBAGE_SHATTER)) {
 130         garbageQueue()->add(1, 6, GF_NORMAL);
 131         MESSAGE("Adding garbage on AI shatter " << garbageQueue()->height());
 132       }
 133     }
 134   } else {
 135     state = AI_WAITING;
 136     last_shatter_height = 0;
 137   }
 138 }
 139
 140 bool ComputerPlayerAI::determineLoss()
 141 {
 142   GarbageQueue *queue = garbageQueue();
 143   static int height = queue->height();
 144   int h = queue->height();
 145   if (h != height) {
 146     MESSAGE("Height change in determine loss old: " << height << " new: " << h);
 147     height = h;
 148   }
 149   return queue->height() > lossHeight();
 150 }
 151
 152 /* End ComputerPlayerAI */
 153
 154 int EasyAI::baseSteps()
 155 {
 156   //cout << "easy baseSteps" << endl;
 157   int a = ComputerPlayerAI::baseSteps() * 15;
 158   return a;
 159 }
 160
 161 int EasyAI::lossHeight()
 162 {
 163   return 4;
 164 }
 165
 166 int MediumAI::baseSteps()
 167 {
 168   return ComputerPlayerAI::baseSteps() * 10;
 169 }
 170
 171 int MediumAI::lossHeight()
 172 {
 173   return 10;
 174 }
 175
 176 /* Begin HardAI */
 177 int HardAI::baseSteps()
 178 {
 179   return ComputerPlayerAI::baseSteps() * 5;
 180 }
 181
 182 int HardAI::lossHeight()
 183 {
 184   return 20;
 185 }
 186
 187 /* End HardAI */