1 | // |
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2 | // "$Id: blocks.cxx 7904 2010-11-28 21:12:59Z matt $" |
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3 | // |
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4 | // "Block Attack!" scrolling blocks game using the Fast Light Tool Kit (FLTK). |
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5 | // |
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6 | // Copyright 2006-2010 by Michael Sweet. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or |
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9 | // modify it under the terms of the GNU Library General Public |
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10 | // License as published by the Free Software Foundation; either |
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11 | // version 2 of the License, or (at your option) any later version. |
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12 | // |
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13 | // This library is distributed in the hope that it will be useful, |
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14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | // Library General Public License for more details. |
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17 | // |
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18 | // You should have received a copy of the GNU Library General Public |
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19 | // License along with this library; if not, write to the Free Software |
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20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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21 | // USA. |
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22 | // |
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23 | // Please report all bugs and problems on the following page: |
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24 | // |
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25 | // http://www.fltk.org/str.php |
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26 | // |
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27 | |
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28 | #include <FL/Fl.H> |
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29 | #include <FL/Fl_Double_Window.H> |
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30 | #include <FL/Fl_Button.H> |
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31 | #include <FL/Fl_Preferences.H> |
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32 | #include <FL/Fl_XPM_Image.H> |
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33 | #include <FL/Fl_XBM_Image.H> |
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34 | #include <FL/Fl_Tiled_Image.H> |
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35 | #include <FL/fl_draw.H> |
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36 | #include <FL/x.H> |
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37 | #include <stdio.h> |
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38 | #include <stdlib.h> |
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39 | #include <string.h> |
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40 | #include <time.h> |
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41 | #include <math.h> |
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42 | |
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43 | // Audio headers... |
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44 | #include <config.h> |
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45 | |
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46 | #ifndef WIN32 |
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47 | # include <unistd.h> |
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48 | # include <sys/time.h> |
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49 | #endif // !WIN32 |
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50 | |
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51 | #ifdef HAVE_ALSA_ASOUNDLIB_H |
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52 | # define ALSA_PCM_NEW_HW_PARAMS_API |
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53 | # include <alsa/asoundlib.h> |
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54 | #endif // HAVE_ALSA_ASOUNDLIB_H |
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55 | #ifdef __APPLE__ |
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56 | # include <CoreAudio/AudioHardware.h> |
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57 | #endif // __APPLE__ |
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58 | #ifdef WIN32 |
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59 | # include <mmsystem.h> |
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60 | #endif // WIN32 |
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61 | |
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62 | |
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63 | #define BLOCK_COLS 20 |
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64 | #define BLOCK_ROWS 10 |
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65 | #define BLOCK_SIZE 32 |
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66 | #define BLOCK_BLAST 100 |
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67 | |
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68 | #include "pixmaps/blast.xpm" |
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69 | Fl_Pixmap blast_pixmap(blast_xpm); |
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70 | |
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71 | #include "pixmaps/red.xpm" |
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72 | Fl_Pixmap red_pixmap(red_xpm); |
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73 | #include "pixmaps/red_bomb.xpm" |
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74 | Fl_Pixmap red_bomb_pixmap(red_bomb_xpm); |
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75 | |
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76 | #include "pixmaps/green.xpm" |
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77 | Fl_Pixmap green_pixmap(green_xpm); |
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78 | #include "pixmaps/green_bomb.xpm" |
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79 | Fl_Pixmap green_bomb_pixmap(green_bomb_xpm); |
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80 | |
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81 | #include "pixmaps/blue.xpm" |
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82 | Fl_Pixmap blue_pixmap(blue_xpm); |
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83 | #include "pixmaps/blue_bomb.xpm" |
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84 | Fl_Pixmap blue_bomb_pixmap(blue_bomb_xpm); |
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85 | |
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86 | #include "pixmaps/yellow.xpm" |
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87 | Fl_Pixmap yellow_pixmap(yellow_xpm); |
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88 | #include "pixmaps/yellow_bomb.xpm" |
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89 | Fl_Pixmap yellow_bomb_pixmap(yellow_bomb_xpm); |
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90 | |
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91 | #include "pixmaps/cyan.xpm" |
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92 | Fl_Pixmap cyan_pixmap(cyan_xpm); |
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93 | #include "pixmaps/cyan_bomb.xpm" |
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94 | Fl_Pixmap cyan_bomb_pixmap(cyan_bomb_xpm); |
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95 | |
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96 | #include "pixmaps/magenta.xpm" |
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97 | Fl_Pixmap magenta_pixmap(magenta_xpm); |
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98 | #include "pixmaps/magenta_bomb.xpm" |
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99 | Fl_Pixmap magenta_bomb_pixmap(magenta_bomb_xpm); |
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100 | |
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101 | #include "pixmaps/gray.xpm" |
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102 | Fl_Pixmap gray_pixmap(gray_xpm); |
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103 | #include "pixmaps/gray_bomb.xpm" |
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104 | Fl_Pixmap gray_bomb_pixmap(gray_bomb_xpm); |
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105 | |
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106 | Fl_Pixmap *normal_pixmaps[] = { |
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107 | &red_pixmap, |
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108 | &green_pixmap, |
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109 | &blue_pixmap, |
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110 | &yellow_pixmap, |
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111 | &cyan_pixmap, |
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112 | &magenta_pixmap, |
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113 | &gray_pixmap |
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114 | }; |
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115 | Fl_Pixmap *bomb_pixmaps[] = { |
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116 | &red_bomb_pixmap, |
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117 | &green_bomb_pixmap, |
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118 | &blue_bomb_pixmap, |
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119 | &yellow_bomb_pixmap, |
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120 | &cyan_bomb_pixmap, |
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121 | &magenta_bomb_pixmap, |
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122 | &gray_bomb_pixmap |
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123 | }; |
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124 | |
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125 | const unsigned char screen_bits[] = { |
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126 | 0xff, 0x55, 0xff, 0xaa, 0xff, 0x55, 0xff, 0xaa |
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127 | }; |
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128 | Fl_Bitmap screen_bitmap(screen_bits, 8, 8); |
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129 | Fl_Tiled_Image screen_tile(&screen_bitmap); |
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130 | |
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131 | |
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132 | // Sound class... |
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133 | // |
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134 | // There are MANY ways to implement sound in a FLTK application. |
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135 | // The approach we are using here is to conditionally compile OS- |
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136 | // specific code into the application - CoreAudio for MacOS X, the |
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137 | // standard Win32 API stuff for Windows, ALSA or X11 for Linux, and |
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138 | // X11 for all others. We have to support ALSA on Linux because the |
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139 | // current Xorg releases no longer support XBell() or the PC speaker. |
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140 | // |
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141 | // There are several good cross-platform audio libraries we could also |
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142 | // use, such as OpenAL, PortAudio, and SDL, however they were not chosen |
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143 | // for this application because of our limited use of sound. |
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144 | // |
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145 | // Many thanks to Ian MacArthur who provided sample code that led to |
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146 | // the CoreAudio implementation you see here! |
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147 | class BlockSound { |
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148 | // Private, OS-specific data... |
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149 | #ifdef __APPLE__ |
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150 | AudioDeviceID device; |
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151 | # if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 |
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152 | AudioDeviceIOProcID audio_proc_id; |
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153 | # endif |
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154 | AudioStreamBasicDescription format; |
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155 | short *data; |
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156 | int remaining; |
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157 | |
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158 | static OSStatus audio_cb(AudioDeviceID device, |
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159 | const AudioTimeStamp *current_time, |
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160 | const AudioBufferList *data_in, |
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161 | const AudioTimeStamp *time_in, |
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162 | AudioBufferList *data_out, |
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163 | const AudioTimeStamp *time_out, |
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164 | void *client_data); |
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165 | #elif defined(WIN32) |
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166 | HWAVEOUT device; |
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167 | HGLOBAL header_handle; |
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168 | LPWAVEHDR header_ptr; |
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169 | HGLOBAL data_handle; |
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170 | LPSTR data_ptr; |
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171 | |
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172 | #else |
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173 | # ifdef HAVE_ALSA_ASOUNDLIB_H |
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174 | snd_pcm_t *handle; |
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175 | # endif // HAVE_ALSA_ASOUNDLIB_H |
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176 | #endif // __APPLE__ |
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177 | |
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178 | public: |
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179 | |
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180 | // Common data... |
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181 | static short *sample_data; |
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182 | static int sample_size; |
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183 | |
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184 | BlockSound(); |
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185 | ~BlockSound(); |
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186 | |
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187 | void play_explosion(float duration); |
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188 | }; |
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189 | |
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190 | // Sound class globals... |
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191 | short *BlockSound::sample_data = NULL; |
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192 | int BlockSound::sample_size = 0; |
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193 | |
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194 | |
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195 | // Initialize the BlockSound class |
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196 | BlockSound::BlockSound() { |
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197 | sample_size = 0; |
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198 | |
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199 | #ifdef __APPLE__ |
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200 | remaining = 0; |
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201 | |
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202 | UInt32 size = sizeof(device); |
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203 | |
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204 | if (AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, |
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205 | &size, (void *)&device) != noErr) return; |
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206 | |
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207 | size = sizeof(format); |
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208 | if (AudioDeviceGetProperty(device, 0, false, kAudioDevicePropertyStreamFormat, |
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209 | &size, &format) != noErr) return; |
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210 | |
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211 | // Set up a format we like... |
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212 | format.mSampleRate = 44100.0; // 44.1kHz |
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213 | format.mChannelsPerFrame = 2; // stereo |
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214 | |
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215 | if (AudioDeviceSetProperty(device, NULL, 0, false, |
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216 | kAudioDevicePropertyStreamFormat, |
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217 | sizeof(format), &format) != noErr) return; |
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218 | |
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219 | // Check we got linear pcm - what to do if we did not ??? |
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220 | if (format.mFormatID != kAudioFormatLinearPCM) return; |
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221 | |
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222 | // Attach the callback and start the device |
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223 | # if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 |
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224 | if (AudioDeviceCreateIOProcID(device, audio_cb, (void *)this, &audio_proc_id) != noErr) return; |
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225 | AudioDeviceStart(device, audio_proc_id); |
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226 | # else |
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227 | if (AudioDeviceAddIOProc(device, audio_cb, (void *)this) != noErr) return; |
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228 | AudioDeviceStart(device, audio_cb); |
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229 | # endif |
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230 | |
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231 | sample_size = (int)format.mSampleRate; |
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232 | |
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233 | #elif defined(WIN32) |
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234 | WAVEFORMATEX format; |
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235 | |
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236 | memset(&format, 0, sizeof(format)); |
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237 | format.cbSize = sizeof(format); |
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238 | format.wFormatTag = WAVE_FORMAT_PCM; |
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239 | format.nChannels = 2; |
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240 | format.nSamplesPerSec = 44100; |
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241 | format.nAvgBytesPerSec = 44100 * 4; |
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242 | format.nBlockAlign = 4; |
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243 | format.wBitsPerSample = 16; |
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244 | |
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245 | data_handle = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, format.nSamplesPerSec * 4); |
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246 | if (!data_handle) return; |
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247 | |
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248 | data_ptr = (LPSTR)GlobalLock(data_handle); |
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249 | |
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250 | header_handle = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, sizeof(WAVEHDR)); |
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251 | if (!header_handle) return; |
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252 | |
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253 | header_ptr = (WAVEHDR *)GlobalLock(header_handle); |
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254 | |
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255 | header_ptr->lpData = data_ptr; |
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256 | header_ptr->dwFlags = 0; |
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257 | header_ptr->dwLoops = 0; |
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258 | |
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259 | if (waveOutOpen(&device, WAVE_MAPPER, &format, 0, 0, WAVE_ALLOWSYNC) |
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260 | != MMSYSERR_NOERROR) return; |
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261 | |
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262 | sample_size = format.nSamplesPerSec; |
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263 | |
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264 | #else |
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265 | # ifdef HAVE_ALSA_ASOUNDLIB_H |
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266 | handle = NULL; |
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267 | |
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268 | if (snd_pcm_open(&handle, "default", SND_PCM_STREAM_PLAYBACK, 0) >= 0) { |
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269 | // Initialize PCM sound stuff... |
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270 | snd_pcm_hw_params_t *params; |
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271 | |
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272 | snd_pcm_hw_params_alloca(¶ms); |
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273 | snd_pcm_hw_params_any(handle, params); |
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274 | snd_pcm_hw_params_set_access(handle, params, SND_PCM_ACCESS_RW_INTERLEAVED); |
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275 | snd_pcm_hw_params_set_format(handle, params, SND_PCM_FORMAT_S16); |
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276 | snd_pcm_hw_params_set_channels(handle, params, 2); |
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277 | unsigned rate = 44100; |
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278 | int dir; |
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279 | snd_pcm_hw_params_set_rate_near(handle, params, &rate, &dir); |
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280 | snd_pcm_uframes_t period = (int)rate; |
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281 | snd_pcm_hw_params_set_period_size_near(handle, params, &period, &dir); |
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282 | |
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283 | sample_size = rate; |
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284 | |
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285 | if (snd_pcm_hw_params(handle, params) < 0) { |
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286 | sample_size = 0; |
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287 | snd_pcm_close(handle); |
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288 | handle = NULL; |
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289 | } |
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290 | } |
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291 | # endif // HAVE_ALSA_ASOUNDLIB_H |
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292 | #endif // __APPLE__ |
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293 | |
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294 | if (sample_size) { |
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295 | // Make an explosion sound by passing white noise through a low pass |
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296 | // filter with a decreasing frequency... |
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297 | sample_data = new short[2 * sample_size]; |
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298 | |
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299 | short *sample_ptr = sample_data; |
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300 | int max_sample = 2 * sample_size - 2; |
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301 | |
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302 | *sample_ptr++ = 0; |
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303 | *sample_ptr++ = 0; |
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304 | |
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305 | for (int j = max_sample; j > 0; j --, sample_ptr ++) { |
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306 | float freq = (float)j / (float)max_sample; |
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307 | float volume = 32767.0 * (0.5 * sqrt(freq) + 0.5); |
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308 | float sample = 0.0001 * ((rand() % 20001) - 10000); |
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309 | |
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310 | *sample_ptr = (int)(volume * freq * sample + |
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311 | (1.0 - freq) * sample_ptr[-2]); |
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312 | } |
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313 | } |
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314 | } |
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315 | |
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316 | |
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317 | // Cleanup the BlockSound class |
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318 | BlockSound::~BlockSound() { |
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319 | #ifdef __APPLE__ |
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320 | if (sample_size) { |
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321 | # if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 |
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322 | AudioDeviceStop(device, audio_proc_id); |
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323 | AudioDeviceDestroyIOProcID(device, audio_proc_id); |
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324 | # else |
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325 | AudioDeviceStop(device, audio_cb); |
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326 | AudioDeviceRemoveIOProc(device, audio_cb); |
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327 | # endif |
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328 | } |
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329 | |
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330 | #elif defined(WIN32) |
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331 | if (sample_size) { |
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332 | waveOutClose(device); |
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333 | |
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334 | GlobalUnlock(header_handle); |
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335 | GlobalFree(header_handle); |
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336 | |
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337 | GlobalUnlock(data_handle); |
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338 | GlobalFree(data_handle); |
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339 | } |
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340 | |
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341 | #else |
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342 | # ifdef HAVE_ALSA_ASOUNDLIB_H |
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343 | if (handle) { |
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344 | snd_pcm_drain(handle); |
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345 | snd_pcm_close(handle); |
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346 | } |
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347 | # endif // HAVE_ALSA_ASOUNDLIB_H |
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348 | #endif // __APPLE__ |
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349 | |
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350 | if (sample_size) { |
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351 | delete[] sample_data; |
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352 | } |
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353 | } |
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354 | |
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355 | |
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356 | #ifdef __APPLE__ |
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357 | // Callback function for writing audio data... |
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358 | OSStatus |
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359 | BlockSound::audio_cb(AudioDeviceID device, |
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360 | const AudioTimeStamp *current_time, |
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361 | const AudioBufferList *data_in, |
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362 | const AudioTimeStamp *time_in, |
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363 | AudioBufferList *data_out, |
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364 | const AudioTimeStamp *time_out, |
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365 | void *client_data) { |
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366 | BlockSound *ss = (BlockSound *)client_data; |
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367 | int count; |
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368 | float *buffer; |
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369 | |
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370 | if (!ss->remaining) return noErr; |
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371 | |
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372 | for (count = data_out->mBuffers[0].mDataByteSize / sizeof(float), |
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373 | buffer = (float*) data_out->mBuffers[0].mData; |
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374 | ss->remaining > 0 && count > 0; |
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375 | count --, ss->data ++, ss->remaining --) { |
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376 | *buffer++ = *(ss->data) / 32767.0; |
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377 | } |
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378 | |
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379 | while (count > 0) { |
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380 | *buffer++ = 0.0; |
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381 | count --; |
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382 | } |
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383 | |
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384 | return noErr; |
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385 | } |
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386 | #endif // __APPLE__ |
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387 | |
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388 | |
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389 | // Play a note for the given amount of time... |
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390 | void |
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391 | BlockSound::play_explosion(float duration) { |
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392 | Fl::check(); |
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393 | |
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394 | if (duration <= 0.0) |
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395 | return; |
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396 | |
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397 | #if defined(__APPLE__) || defined(WIN32) || defined(HAVE_ALSA_ASOUNDLIB_H) |
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398 | if (duration > 1.0) |
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399 | duration = 1.0; |
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400 | |
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401 | int samples = (int)(duration * sample_size); |
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402 | short *sample_ptr = sample_data + 2 * (sample_size - samples); |
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403 | #endif // __APPLE__ || WIN32 || HAVE_ALSA_ASOUNDLIB_H |
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404 | |
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405 | #ifdef __APPLE__ |
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406 | // Point to the next note... |
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407 | data = sample_ptr; |
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408 | remaining = samples * 2; |
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409 | |
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410 | #elif defined(WIN32) |
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411 | if (sample_size) { |
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412 | memcpy(data_ptr, sample_ptr, samples * 4); |
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413 | |
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414 | header_ptr->dwBufferLength = samples * 4; |
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415 | waveOutPrepareHeader(device, header_ptr, sizeof(WAVEHDR)); |
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416 | |
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417 | waveOutWrite(device, header_ptr, sizeof(WAVEHDR)); |
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418 | } else Beep(440, (int)(1000.0 * duration)); |
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419 | |
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420 | #elif defined(HAVE_ALSA_ASOUNDLIB_H) |
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421 | if (handle) { |
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422 | // Use ALSA to play the sound... |
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423 | if (snd_pcm_writei(handle, sample_ptr, samples) < 0) { |
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424 | snd_pcm_prepare(handle); |
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425 | snd_pcm_writei(handle, sample_ptr, samples); |
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426 | } |
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427 | return; |
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428 | } |
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429 | #endif // __APPLE__ |
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430 | } |
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431 | |
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432 | |
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433 | class BlockWindow : public Fl_Double_Window |
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434 | { |
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435 | public: |
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436 | |
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437 | struct Block |
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438 | { |
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439 | int color; |
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440 | bool bomb; |
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441 | int y; |
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442 | }; |
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443 | |
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444 | struct Column |
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445 | { |
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446 | int num_blocks; |
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447 | Block blocks[BLOCK_ROWS]; |
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448 | int x; |
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449 | }; |
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450 | |
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451 | private: |
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452 | |
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453 | Fl_Button *help_button_, |
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454 | *play_button_; |
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455 | |
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456 | int num_columns_; |
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457 | Column columns_[BLOCK_COLS]; |
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458 | int count_; |
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459 | bool help_; |
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460 | int high_score_; |
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461 | float interval_; |
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462 | int level_; |
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463 | int num_colors_; |
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464 | int opened_columns_; |
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465 | bool paused_; |
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466 | static Fl_Preferences prefs_; |
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467 | int score_; |
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468 | BlockSound *sound_; |
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469 | char title_[255]; |
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470 | int title_y_; |
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471 | |
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472 | void _BlockWindow(); |
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473 | int bomb(int color); |
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474 | int click(int col, int row); |
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475 | static void help_cb(Fl_Widget *wi, BlockWindow *bw); |
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476 | void init(); |
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477 | static void play_cb(Fl_Widget *wi, BlockWindow *bw); |
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478 | static void timeout_cb(BlockWindow *bw); |
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479 | |
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480 | public: |
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481 | |
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482 | BlockWindow(int X, int Y, int W, int H, const char *L = 0); |
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483 | BlockWindow(int W, int H, const char *L = 0); |
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484 | ~BlockWindow(); |
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485 | |
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486 | void draw(); |
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487 | int handle(int event); |
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488 | void new_game(); |
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489 | int score() { return (score_); } |
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490 | void up_level(); |
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491 | }; |
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492 | |
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493 | |
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494 | Fl_Preferences BlockWindow::prefs_(Fl_Preferences::USER, "fltk.org", "blocks"); |
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495 | |
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496 | |
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497 | extern "C" int rtems_main(int argc, char *argv[]) { |
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498 | Fl::scheme("plastic"); |
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499 | Fl::visible_focus(0); |
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500 | |
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501 | BlockWindow *bw = new BlockWindow(BLOCK_COLS * BLOCK_SIZE, |
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502 | BLOCK_ROWS * BLOCK_SIZE + 20, |
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503 | "Block Attack!"); |
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504 | |
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505 | bw->show(argc, argv); |
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506 | |
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507 | return (Fl::run()); |
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508 | } |
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509 | |
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510 | |
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511 | // Create a block window at the specified position |
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512 | BlockWindow::BlockWindow(int X, int Y, int W, int H, const char *L) |
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513 | : Fl_Double_Window(X, Y, W, H, L) { |
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514 | _BlockWindow(); |
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515 | } |
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516 | |
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517 | |
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518 | // Create a block window |
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519 | BlockWindow::BlockWindow(int W, int H, const char *L) |
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520 | : Fl_Double_Window(W, H, L) { |
---|
521 | _BlockWindow(); |
---|
522 | } |
---|
523 | |
---|
524 | |
---|
525 | // Delete a block window |
---|
526 | BlockWindow::~BlockWindow() { |
---|
527 | Fl::remove_timeout((Fl_Timeout_Handler)timeout_cb, (void *)this); |
---|
528 | } |
---|
529 | |
---|
530 | |
---|
531 | // Initialize a block window... |
---|
532 | void |
---|
533 | BlockWindow::_BlockWindow() { |
---|
534 | init(); |
---|
535 | |
---|
536 | help_button_ = new Fl_Button(0, 0, 20, 20, "?"); |
---|
537 | help_button_->callback((Fl_Callback *)help_cb, this); |
---|
538 | help_button_->shortcut('?'); |
---|
539 | |
---|
540 | play_button_ = new Fl_Button(80, (h() - 80) / 2, 80, 80, "@>"); |
---|
541 | play_button_->callback((Fl_Callback *)play_cb, this); |
---|
542 | play_button_->labelsize(44); |
---|
543 | play_button_->shortcut(' '); |
---|
544 | |
---|
545 | sound_ = new BlockSound(); |
---|
546 | |
---|
547 | prefs_.get("high_score", high_score_, 0); |
---|
548 | |
---|
549 | Fl::add_timeout(0.1, (Fl_Timeout_Handler)timeout_cb, (void *)this); |
---|
550 | } |
---|
551 | |
---|
552 | |
---|
553 | // Bomb all blocks of a given color and return the number of affected blocks |
---|
554 | int |
---|
555 | BlockWindow::bomb(int color) { |
---|
556 | int j, k; |
---|
557 | int count; |
---|
558 | Block *b; |
---|
559 | Column *c; |
---|
560 | |
---|
561 | |
---|
562 | if (color >= BLOCK_BLAST) return (0); |
---|
563 | |
---|
564 | for (j = num_columns_, c = columns_, count = 1; j > 0; j --, c ++) |
---|
565 | for (k = c->num_blocks, b = c->blocks; k > 0; k --, b ++) |
---|
566 | if (b->color == color) { |
---|
567 | b->color = -color; |
---|
568 | count ++; |
---|
569 | } |
---|
570 | |
---|
571 | return (count); |
---|
572 | } |
---|
573 | |
---|
574 | |
---|
575 | // Tag all blocks connected to the clicked block and return the number |
---|
576 | // of affected blocks |
---|
577 | int |
---|
578 | BlockWindow::click(int col, int row) { |
---|
579 | Block *b; |
---|
580 | Column *c; |
---|
581 | int count, color; |
---|
582 | |
---|
583 | |
---|
584 | c = columns_ + col; |
---|
585 | b = c->blocks + row; |
---|
586 | color = b->color; |
---|
587 | |
---|
588 | if (color < 0 || color >= BLOCK_BLAST) return (0); |
---|
589 | |
---|
590 | // Find the bottom block... |
---|
591 | while (row > 0 && b[-1].color == color) { |
---|
592 | row --; |
---|
593 | b --; |
---|
594 | } |
---|
595 | |
---|
596 | count = 0; |
---|
597 | |
---|
598 | while (row < c->num_blocks && b->color == color) { |
---|
599 | b->color = -color; |
---|
600 | |
---|
601 | if (col > 0 && row < c[-1].num_blocks && |
---|
602 | c[-1].blocks[row].color == color) { |
---|
603 | count += click(col - 1, row); |
---|
604 | } |
---|
605 | |
---|
606 | if (col < (num_columns_ - 1) && row < c[1].num_blocks && |
---|
607 | c[1].blocks[row].color == color) { |
---|
608 | count += click(col + 1, row); |
---|
609 | } |
---|
610 | |
---|
611 | count ++; |
---|
612 | row ++; |
---|
613 | b ++; |
---|
614 | } |
---|
615 | |
---|
616 | return (count); |
---|
617 | } |
---|
618 | |
---|
619 | |
---|
620 | // Draw the block window... |
---|
621 | void |
---|
622 | BlockWindow::draw() { |
---|
623 | int j, k, xx, yy; |
---|
624 | Block *b; |
---|
625 | Column *c; |
---|
626 | |
---|
627 | |
---|
628 | // Draw the blocks... |
---|
629 | fl_color(FL_BLACK); |
---|
630 | fl_rectf(0, 0, w(), h()); |
---|
631 | |
---|
632 | // Draw the blocks... |
---|
633 | for (j = num_columns_, c = columns_; j > 0; j --, c ++) |
---|
634 | for (k = c->num_blocks, b = c->blocks; k > 0; k --, b ++) { |
---|
635 | xx = w() - c->x; |
---|
636 | yy = h() - BLOCK_SIZE - b->y; |
---|
637 | |
---|
638 | if (b->color >= BLOCK_BLAST) { |
---|
639 | b->color ++; |
---|
640 | blast_pixmap.draw(xx, yy); |
---|
641 | } else if (b->color < 0) { |
---|
642 | if (b->bomb) bomb_pixmaps[-b->color - 1]->draw(xx, yy); |
---|
643 | else normal_pixmaps[-b->color - 1]->draw(xx, yy); |
---|
644 | } else { |
---|
645 | if (b->bomb) bomb_pixmaps[b->color - 1]->draw(xx, yy); |
---|
646 | else normal_pixmaps[b->color - 1]->draw(xx, yy); |
---|
647 | } |
---|
648 | } |
---|
649 | |
---|
650 | if (interval_ < 0.0 || paused_) { |
---|
651 | fl_color(FL_BLACK); |
---|
652 | screen_tile.draw(0, 0, w(), h(), 0, 0); |
---|
653 | } |
---|
654 | |
---|
655 | // Redraw the widgets... |
---|
656 | play_button_->redraw(); |
---|
657 | help_button_->redraw(); |
---|
658 | draw_children(); |
---|
659 | |
---|
660 | // Draw any paused/game over/new game message... |
---|
661 | if ((paused_ || interval_ < 0.0) && play_button_->w() == 80) { |
---|
662 | const char *s; |
---|
663 | |
---|
664 | if (help_) { |
---|
665 | s = "Click on adjacent blocks of the same color. Clear all blocks " |
---|
666 | "before they reach the left side."; |
---|
667 | |
---|
668 | fl_font(FL_HELVETICA_BOLD, 24); |
---|
669 | fl_color(FL_BLACK); |
---|
670 | fl_draw(s, 171, 3, w() - 250, h() - 6, |
---|
671 | (Fl_Align)(FL_ALIGN_WRAP | FL_ALIGN_LEFT)); |
---|
672 | |
---|
673 | fl_color(FL_YELLOW); |
---|
674 | fl_draw(s, 168, 0, w() - 250, h(), |
---|
675 | (Fl_Align)(FL_ALIGN_WRAP | FL_ALIGN_LEFT)); |
---|
676 | } else { |
---|
677 | if (interval_ < 0.0) { |
---|
678 | #ifdef DEBUG |
---|
679 | // Show sample waveform... |
---|
680 | short *sample_ptr; |
---|
681 | |
---|
682 | for (i = 0; i < 2; i ++) |
---|
683 | { |
---|
684 | fl_color(FL_RED + i); |
---|
685 | fl_begin_line(); |
---|
686 | for (j = 0, sample_ptr = sound_->sample_data + i; |
---|
687 | j < sound_->sample_size; |
---|
688 | j ++, sample_ptr += 2) |
---|
689 | fl_vertex(j * w() / sound_->sample_size, |
---|
690 | *sample_ptr * h() / 4 / 65534 + h() / 2); |
---|
691 | fl_end_line(); |
---|
692 | } |
---|
693 | #endif // DEBUG |
---|
694 | |
---|
695 | if (num_columns_ && (time(NULL) & 7) < 4) s = "Game Over"; |
---|
696 | else s = "Block Attack!\nby Michael R Sweet"; |
---|
697 | } else s = "Paused"; |
---|
698 | |
---|
699 | fl_font(FL_HELVETICA_BOLD, 32); |
---|
700 | fl_color(FL_BLACK); |
---|
701 | fl_draw(s, 6, 6, w() - 6, h() - 6, FL_ALIGN_CENTER); |
---|
702 | |
---|
703 | fl_color(FL_YELLOW); |
---|
704 | fl_draw(s, 0, 0, w(), h(), FL_ALIGN_CENTER); |
---|
705 | } |
---|
706 | } |
---|
707 | |
---|
708 | // Draw the scores and level... |
---|
709 | char s[255]; |
---|
710 | |
---|
711 | sprintf(s, " Score: %d", score_); |
---|
712 | fl_color(FL_WHITE); |
---|
713 | fl_font(FL_HELVETICA, 14); |
---|
714 | fl_draw(s, 40, 0, w() - 40, 20, FL_ALIGN_LEFT); |
---|
715 | |
---|
716 | sprintf(s, "High Score: %d ", high_score_); |
---|
717 | fl_draw(s, 0, 0, w(), 20, FL_ALIGN_RIGHT); |
---|
718 | |
---|
719 | if (level_ > 1 || title_y_ <= 0) |
---|
720 | { |
---|
721 | sprintf(s, "Level: %d ", level_); |
---|
722 | fl_draw(s, 0, 0, w(), 20, FL_ALIGN_CENTER); |
---|
723 | } |
---|
724 | |
---|
725 | if (title_y_ > 0 && interval_ > 0.0) |
---|
726 | { |
---|
727 | int sz = 14 + title_y_ * 86 / h(); |
---|
728 | |
---|
729 | fl_font(FL_HELVETICA_BOLD, sz); |
---|
730 | fl_color(FL_YELLOW); |
---|
731 | fl_draw(title_, 0, title_y_, w(), sz, FL_ALIGN_CENTER); |
---|
732 | } |
---|
733 | } |
---|
734 | |
---|
735 | |
---|
736 | // Handle mouse clicks, etc. |
---|
737 | int |
---|
738 | BlockWindow::handle(int event) { |
---|
739 | int j, k, mx, my, count; |
---|
740 | Block *b; |
---|
741 | Column *c; |
---|
742 | |
---|
743 | |
---|
744 | if (Fl_Double_Window::handle(event)) return (1); |
---|
745 | else if (interval_ < 0.0 || paused_) return (0); |
---|
746 | |
---|
747 | switch (event) { |
---|
748 | case FL_KEYBOARD: |
---|
749 | if (Fl::event_text()) { |
---|
750 | if (strcmp(Fl::event_text(), "+") == 0) |
---|
751 | up_level(); |
---|
752 | } |
---|
753 | break; |
---|
754 | case FL_PUSH : |
---|
755 | mx = w() - Fl::event_x() + BLOCK_SIZE; |
---|
756 | my = h() - Fl::event_y(); |
---|
757 | count = 0; |
---|
758 | b = 0; |
---|
759 | |
---|
760 | for (j = 0, c = columns_; !count && j < num_columns_; j ++, c ++) |
---|
761 | for (k = 0, b = c->blocks; !count && k < c->num_blocks; k ++, b ++) |
---|
762 | if (mx >= c->x && mx < (c->x + BLOCK_SIZE) && |
---|
763 | my >= b->y && my < (b->y + BLOCK_SIZE)) { |
---|
764 | if (b->bomb) count = bomb(b->color); |
---|
765 | else count = click(j, k); |
---|
766 | |
---|
767 | break; |
---|
768 | } |
---|
769 | |
---|
770 | if (count < 2) { |
---|
771 | for (j = 0, c = columns_; j < num_columns_; j ++, c ++) |
---|
772 | for (k = 0, b = c->blocks; k < c->num_blocks; k ++, b ++) |
---|
773 | if (b->color < 0) b->color = -b->color; |
---|
774 | } else { |
---|
775 | count --; |
---|
776 | |
---|
777 | if (b->bomb) { |
---|
778 | sound_->play_explosion(0.19 + 0.005 * count); |
---|
779 | |
---|
780 | interval_ *= 0.995; |
---|
781 | score_ += count; |
---|
782 | } else { |
---|
783 | sound_->play_explosion(0.09 + 0.005 * count); |
---|
784 | |
---|
785 | interval_ *= 0.999; |
---|
786 | score_ += count * count; |
---|
787 | } |
---|
788 | |
---|
789 | if (score_ > high_score_) { |
---|
790 | high_score_ = score_; |
---|
791 | prefs_.set("high_score", high_score_); |
---|
792 | } |
---|
793 | |
---|
794 | for (j = 0, c = columns_; j < num_columns_; j ++, c ++) |
---|
795 | for (k = 0, b = c->blocks; k < c->num_blocks; k ++, b ++) |
---|
796 | if (b->color < 0) b->color = BLOCK_BLAST; |
---|
797 | } |
---|
798 | return (1); |
---|
799 | } |
---|
800 | |
---|
801 | return (0); |
---|
802 | } |
---|
803 | |
---|
804 | |
---|
805 | // Toggle the on-line help... |
---|
806 | void |
---|
807 | BlockWindow::help_cb(Fl_Widget *, BlockWindow *bw) { |
---|
808 | bw->paused_ = bw->help_ = !bw->help_; |
---|
809 | bw->play_button_->label("@>"); |
---|
810 | bw->redraw(); |
---|
811 | } |
---|
812 | |
---|
813 | |
---|
814 | // Initialize the block window... |
---|
815 | void |
---|
816 | BlockWindow::init() { |
---|
817 | count_ = 0; |
---|
818 | help_ = false; |
---|
819 | interval_ = -1.0; |
---|
820 | level_ = 1; |
---|
821 | num_colors_ = 3; |
---|
822 | num_columns_ = 0; |
---|
823 | paused_ = false; |
---|
824 | score_ = 0; |
---|
825 | title_[0] = '\0'; |
---|
826 | title_y_ = 0; |
---|
827 | } |
---|
828 | |
---|
829 | |
---|
830 | // Start a new game... |
---|
831 | void |
---|
832 | BlockWindow::new_game() { |
---|
833 | // Seed the random number generator... |
---|
834 | srand(time(NULL)); |
---|
835 | |
---|
836 | init(); |
---|
837 | |
---|
838 | interval_ = 0.1; |
---|
839 | opened_columns_ = 0; |
---|
840 | |
---|
841 | strcpy(title_, "Level: 1"); |
---|
842 | title_y_ = h(); |
---|
843 | |
---|
844 | redraw(); |
---|
845 | } |
---|
846 | |
---|
847 | |
---|
848 | // Play/pause... |
---|
849 | void |
---|
850 | BlockWindow::play_cb(Fl_Widget *wi, BlockWindow *bw) { |
---|
851 | if (bw->interval_ < 0) bw->new_game(); |
---|
852 | else bw->paused_ = !bw->paused_; |
---|
853 | |
---|
854 | if (bw->paused_) wi->label("@>"); |
---|
855 | else { |
---|
856 | wi->label("@-2||"); |
---|
857 | bw->help_ = false; |
---|
858 | } |
---|
859 | } |
---|
860 | |
---|
861 | void BlockWindow::up_level() { |
---|
862 | interval_ *= 0.95; |
---|
863 | opened_columns_ = 0; |
---|
864 | if (num_colors_ < 7) num_colors_ ++; |
---|
865 | level_ ++; |
---|
866 | sprintf(title_, "Level: %d", level_); |
---|
867 | title_y_ = h(); |
---|
868 | Fl::repeat_timeout(interval_, (Fl_Timeout_Handler)timeout_cb, (void *)this); |
---|
869 | } |
---|
870 | |
---|
871 | // Animate the game... |
---|
872 | void |
---|
873 | BlockWindow::timeout_cb(BlockWindow *bw) { |
---|
874 | int i, j; |
---|
875 | Block *b; |
---|
876 | Column *c; |
---|
877 | int lastx, lasty; |
---|
878 | |
---|
879 | |
---|
880 | #ifdef DEBUG |
---|
881 | struct timeval curtime; |
---|
882 | static struct timeval lasttime; |
---|
883 | |
---|
884 | |
---|
885 | gettimeofday(&curtime, NULL); |
---|
886 | printf("%.3f (%+f - %f)\n", |
---|
887 | curtime.tv_sec + 0.000001 * curtime.tv_usec, |
---|
888 | curtime.tv_sec - lasttime.tv_sec + |
---|
889 | 0.000001 * (curtime.tv_usec - lasttime.tv_usec), bw->interval_); |
---|
890 | lasttime = curtime; |
---|
891 | #endif // DEBUG |
---|
892 | |
---|
893 | // Update blocks that have been destroyed... |
---|
894 | for (i = 0, c = bw->columns_; i < bw->num_columns_; i ++, c ++) |
---|
895 | for (j = 0, b = c->blocks; j < c->num_blocks; j ++, b ++) |
---|
896 | if (b->color > (BLOCK_BLAST + 1)) { |
---|
897 | bw->redraw(); |
---|
898 | |
---|
899 | c->num_blocks --; |
---|
900 | |
---|
901 | if (j < c->num_blocks) { |
---|
902 | memmove(b, b + 1, (c->num_blocks - j) * sizeof(Block)); |
---|
903 | } |
---|
904 | |
---|
905 | j --; |
---|
906 | b --; |
---|
907 | |
---|
908 | if (!c->num_blocks) { |
---|
909 | bw->num_columns_ --; |
---|
910 | |
---|
911 | if (i < bw->num_columns_) { |
---|
912 | memmove(c, c + 1, (bw->num_columns_ - i) * sizeof(Column)); |
---|
913 | } |
---|
914 | |
---|
915 | i --; |
---|
916 | c --; |
---|
917 | j = c->num_blocks; |
---|
918 | } |
---|
919 | } |
---|
920 | |
---|
921 | // Let the rest of the blocks fall and/or move... |
---|
922 | for (i = bw->num_columns_, c = bw->columns_, lastx = c->x; |
---|
923 | i > 0; |
---|
924 | i --, c ++) { |
---|
925 | if (c->x > lastx) { |
---|
926 | c->x -= 8; |
---|
927 | bw->redraw(); |
---|
928 | } |
---|
929 | |
---|
930 | lastx = c->x + BLOCK_SIZE; |
---|
931 | |
---|
932 | if (!bw->paused_ && bw->interval_ > 0.0) { |
---|
933 | bw->redraw(); |
---|
934 | c->x ++; |
---|
935 | } |
---|
936 | |
---|
937 | for (j = c->num_blocks, b = c->blocks, lasty = 0; j > 0; j --, b ++) { |
---|
938 | if (b->y > lasty) { |
---|
939 | bw->redraw(); |
---|
940 | b->y -= 8; |
---|
941 | } |
---|
942 | |
---|
943 | lasty = b->y + BLOCK_SIZE; |
---|
944 | } |
---|
945 | } |
---|
946 | |
---|
947 | // Slide the title text as needed... |
---|
948 | if (bw->title_y_ > 0) { |
---|
949 | bw->redraw(); |
---|
950 | bw->title_y_ -= 5; |
---|
951 | } |
---|
952 | |
---|
953 | // Play the game... |
---|
954 | if (!bw->paused_ && bw->interval_ > 0.0) { |
---|
955 | bw->count_ --; |
---|
956 | |
---|
957 | if (bw->count_ <= 0) { |
---|
958 | bw->redraw(); |
---|
959 | bw->count_ = BLOCK_SIZE; |
---|
960 | |
---|
961 | if (bw->num_columns_ == BLOCK_COLS) { |
---|
962 | bw->interval_ = -1.0; |
---|
963 | bw->sound_->play_explosion(0.8); |
---|
964 | bw->play_button_->label("@>"); |
---|
965 | } else { |
---|
966 | bw->opened_columns_ ++; |
---|
967 | |
---|
968 | if (bw->opened_columns_ > (2 * BLOCK_COLS)) { |
---|
969 | bw->up_level(); |
---|
970 | } |
---|
971 | |
---|
972 | c = bw->columns_; |
---|
973 | |
---|
974 | if (bw->num_columns_) { |
---|
975 | memmove(c + 1, c, bw->num_columns_ * sizeof(Column)); |
---|
976 | } |
---|
977 | |
---|
978 | bw->num_columns_ ++; |
---|
979 | c->x = 0; |
---|
980 | c->num_blocks = BLOCK_ROWS; |
---|
981 | |
---|
982 | for (j = 0, b = c->blocks; j < BLOCK_ROWS; j ++, b ++) { |
---|
983 | b->bomb = bw->num_colors_ > 3 && (rand() & 127) < bw->num_colors_; |
---|
984 | b->color = 1 + (rand() % bw->num_colors_); |
---|
985 | b->y = j * (BLOCK_SIZE + 8) + 24; |
---|
986 | } |
---|
987 | } |
---|
988 | } |
---|
989 | } |
---|
990 | else |
---|
991 | { |
---|
992 | bw->count_ --; |
---|
993 | |
---|
994 | if (bw->count_ <= 0) { |
---|
995 | bw->count_ = 40; |
---|
996 | bw->redraw(); |
---|
997 | } |
---|
998 | } |
---|
999 | |
---|
1000 | // Update the play/pause button as needed... |
---|
1001 | if ((bw->paused_ || bw->interval_< 0.0) && |
---|
1002 | bw->play_button_->w() < 80) { |
---|
1003 | int s = bw->play_button_->w() + 10; |
---|
1004 | |
---|
1005 | bw->play_button_->resize(s, (s - 20) * (bw->h() - s) / 120, s, s); |
---|
1006 | bw->play_button_->labelsize(s / 2 + 4); |
---|
1007 | bw->redraw(); |
---|
1008 | } else if ((!bw->paused_ && bw->interval_ > 0.0) && |
---|
1009 | bw->play_button_->w() > 20) { |
---|
1010 | int s = bw->play_button_->w() - 5; |
---|
1011 | |
---|
1012 | bw->play_button_->resize(s, (s - 20) * (bw->h() - s) / 120, s, s); |
---|
1013 | bw->play_button_->labelsize(s / 2 + 4); |
---|
1014 | bw->redraw(); |
---|
1015 | } |
---|
1016 | |
---|
1017 | if (bw->interval_ > 0.0) { |
---|
1018 | Fl::repeat_timeout(bw->interval_, (Fl_Timeout_Handler)timeout_cb, |
---|
1019 | (void *)bw); |
---|
1020 | } else { |
---|
1021 | Fl::repeat_timeout(0.1, (Fl_Timeout_Handler)timeout_cb, |
---|
1022 | (void *)bw); |
---|
1023 | } |
---|
1024 | } |
---|
1025 | |
---|
1026 | |
---|
1027 | // |
---|
1028 | // End of "$Id: blocks.cxx 7904 2010-11-28 21:12:59Z matt $". |
---|
1029 | // |
---|