fixed handling of player at fake acid for EM engine
[rocksndiamonds.git] / src / game_em / emerald.h
index 6faa9e61f0d2507137650ab5fcdcca64d866beed..01219b9ea9726f4a9d743f70117ad05f8aced617 100644 (file)
@@ -48,62 +48,144 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // constant definitions
 // ----------------------------------------------------------------------------
 
-/* define these to use additional elements */
-#define EM_ENGINE_USE_ADDITIONAL_ELEMENTS
+/* maximum cave size */
+#define CAVE_WIDTH                     MAX_PLAYFIELD_WIDTH
+#define CAVE_HEIGHT                    MAX_PLAYFIELD_HEIGHT
 
-/* one border for Zborder elements, one border for steelwall, if needed */
-#define EM_MAX_CAVE_WIDTH              (MAX_PLAYFIELD_WIDTH  + 2 + 2)
-#define EM_MAX_CAVE_HEIGHT             (MAX_PLAYFIELD_HEIGHT + 2 + 2)
+/* additional padding for Zborder elements and linked cave buffer columns */
+#define CAVE_BUFFER_XOFFSET            4
+#define CAVE_BUFFER_YOFFSET            2
+#define CAVE_BUFFER_WIDTH              (CAVE_WIDTH  + 2 * CAVE_BUFFER_XOFFSET)
+#define CAVE_BUFFER_HEIGHT             (CAVE_HEIGHT + 2 * CAVE_BUFFER_YOFFSET)
 
-/*
-  -----------------------------------------------------------------------------
-  definition of elements used in the Emerald Mine Club engine;
-  the element names have the following properties:
-  - elements that start with 'X' can be stored in a level file
-  - elements that start with 'Y' indicate moving elements
-  - elements that end with 'B' are the "backside" of moving elements
-  -----------------------------------------------------------------------------
-*/
+
+// ----------------------------------------------------------------------------
+// definition of elements used in the Emerald Mine Club engine;
+// the element names (mostly) have the following properties:
+// - elements that start with 'X' are not animated (more or less)
+// - elements that start with 'Y' are animated elements
+// - elements that start with 'Z' are internal elements (without graphics)
+// - elements that end with 'B' or '_blank' change to the "Xblank" element
+// ----------------------------------------------------------------------------
 
 enum
 {
-  Xblank = 0,
+  Zborder,             /* special code to indicate border */
+  Zplayer,             /* special code to indicate player */
+
+  Zbug,                        /* internal bug explosion */
+  Ztank,               /* internal tank/alien/bomb explosion */
+  Zeater,              /* internal eater explosion */
+  Zdynamite,           /* internal dynamite explosion */
+  Zboom,               /* explosion */
+
+  Xchain,              /* chain explosion; transition to Zboom */
+  Xboom_bug,           /* bug explosion; transition to Zbug */
+  Xboom_tank,          /* tank/alien/bomb explosion; transition to Ztank */
+  Xboom_android,       /* android explosion; transition to Xboom_2 */
+  Xboom_1,             /* tile explosion; transition to Xboom_2 */
+  Xboom_2,             /* transition to boom[] */
 
-  Xacid_splash_e,
-  Xacid_splash_w,
+  Xblank,
 
-  Xpush_stone_e,
-  Xpush_stone_w,
-  Xpush_nut_e,
-  Xpush_nut_w,
-  Xpush_spring_e,
-  Xpush_spring_w,
-  Xpush_emerald_e,
-  Xpush_emerald_w,
-  Xpush_diamond_e,
-  Xpush_diamond_w,
-  Xpush_bomb_e,
-  Xpush_bomb_w,
+  Xsplash_e,
+  Xsplash_w,
 
-  Xstone,
-  Xstone_pause,
-  Xstone_fall,
-  Ystone_s,
-  Ystone_sB,
-  Ystone_e,
-  Ystone_eB,
-  Ystone_w,
-  Ystone_wB,
+  Xplant,
+  Yplant,
 
-  Xnut,
-  Xnut_pause,
-  Xnut_fall,
-  Ynut_s,
-  Ynut_sB,
-  Ynut_e,
-  Ynut_eB,
-  Ynut_w,
-  Ynut_wB,
+  Xacid_1,
+  Xacid_2,
+  Xacid_3,
+  Xacid_4,
+  Xacid_5,
+  Xacid_6,
+  Xacid_7,
+  Xacid_8,
+
+  Xfake_acid_1,                        /* newly added to EM engine */
+  Xfake_acid_2,
+  Xfake_acid_3,
+  Xfake_acid_4,
+  Xfake_acid_5,
+  Xfake_acid_6,
+  Xfake_acid_7,
+  Xfake_acid_8,
+
+  Xfake_acid_1_player,         /* newly added to EM engine */
+  Xfake_acid_2_player,
+  Xfake_acid_3_player,
+  Xfake_acid_4_player,
+  Xfake_acid_5_player,
+  Xfake_acid_6_player,
+  Xfake_acid_7_player,
+  Xfake_acid_8_player,
+
+  Xgrass,
+  Ygrass_nB,
+  Ygrass_eB,
+  Ygrass_sB,
+  Ygrass_wB,
+
+  Xdirt,
+  Ydirt_nB,
+  Ydirt_eB,
+  Ydirt_sB,
+  Ydirt_wB,
+
+  Xandroid,
+  Xandroid_1_n,
+  Xandroid_1_e,
+  Xandroid_1_w,
+  Xandroid_1_s,
+  Xandroid_2_n,
+  Xandroid_2_e,
+  Xandroid_2_w,
+  Xandroid_2_s,
+  Yandroid_n,
+  Yandroid_nB,
+  Yandroid_ne,
+  Yandroid_neB,
+  Yandroid_e,
+  Yandroid_eB,
+  Yandroid_se,
+  Yandroid_seB,
+  Yandroid_s,
+  Yandroid_sB,
+  Yandroid_sw,
+  Yandroid_swB,
+  Yandroid_w,
+  Yandroid_wB,
+  Yandroid_nw,
+  Yandroid_nwB,
+
+  Xeater_n,
+  Xeater_e,
+  Xeater_w,
+  Xeater_s,
+  Yeater_n,
+  Yeater_nB,
+  Yeater_e,
+  Yeater_eB,
+  Yeater_s,
+  Yeater_sB,
+  Yeater_w,
+  Yeater_wB,
+  Yeater_stone,
+  Yeater_spring,
+
+  Xalien,
+  Xalien_pause,
+  Yalien_n,
+  Yalien_nB,
+  Yalien_e,
+  Yalien_eB,
+  Yalien_s,
+  Yalien_sB,
+  Yalien_w,
+  Yalien_wB,
+  Yalien_stone,
+  Yalien_spring,
 
   Xbug_1_n,
   Xbug_1_e,
@@ -159,76 +241,6 @@ enum
   Ytank_stone,
   Ytank_spring,
 
-  Xandroid,
-  Xandroid_1_n,
-  Xandroid_2_n,
-  Xandroid_1_e,
-  Xandroid_2_e,
-  Xandroid_1_w,
-  Xandroid_2_w,
-  Xandroid_1_s,
-  Xandroid_2_s,
-  Yandroid_n,
-  Yandroid_nB,
-  Yandroid_ne,
-  Yandroid_neB,
-  Yandroid_e,
-  Yandroid_eB,
-  Yandroid_se,
-  Yandroid_seB,
-  Yandroid_s,
-  Yandroid_sB,
-  Yandroid_sw,
-  Yandroid_swB,
-  Yandroid_w,
-  Yandroid_wB,
-  Yandroid_nw,
-  Yandroid_nwB,
-
-  Xspring,
-  Xspring_pause,
-  Xspring_e,
-  Xspring_w,
-  Xspring_fall,
-  Yspring_s,
-  Yspring_sB,
-  Yspring_e,
-  Yspring_eB,
-  Yspring_w,
-  Yspring_wB,
-  Yspring_alien_e,
-  Yspring_alien_eB,
-  Yspring_alien_w,
-  Yspring_alien_wB,
-
-  Xeater_n,
-  Xeater_e,
-  Xeater_w,
-  Xeater_s,
-  Yeater_n,
-  Yeater_nB,
-  Yeater_e,
-  Yeater_eB,
-  Yeater_s,
-  Yeater_sB,
-  Yeater_w,
-  Yeater_wB,
-  Yeater_stone,
-  Yeater_spring,
-
-  Xalien,
-  Xalien_pause,
-  Yalien_n,
-  Yalien_nB,
-  Yalien_e,
-  Yalien_eB,
-  Yalien_s,
-  Yalien_sB,
-  Yalien_w,
-  Yalien_wB,
-  Yalien_stone,
-  Yalien_spring,
-
   Xemerald,
   Xemerald_pause,
   Xemerald_fall,
@@ -240,7 +252,6 @@ enum
   Yemerald_w,
   Yemerald_wB,
   Yemerald_blank,
-  Ynut_stone,
 
   Xdiamond,
   Xdiamond_pause,
@@ -255,14 +266,15 @@ enum
   Ydiamond_blank,
   Ydiamond_stone,
 
-  Xdrip_fall,
-  Xdrip_stretch,
-  Xdrip_stretchB,
-  Xdrip,
-  Ydrip_1_s,
-  Ydrip_1_sB,
-  Ydrip_2_s,
-  Ydrip_2_sB,
+  Xstone,
+  Xstone_pause,
+  Xstone_fall,
+  Ystone_s,
+  Ystone_sB,
+  Ystone_e,
+  Ystone_eB,
+  Ystone_w,
+  Ystone_wB,
 
   Xbomb,
   Xbomb_pause,
@@ -275,6 +287,80 @@ enum
   Ybomb_wB,
   Ybomb_blank,
 
+  Xnut,
+  Xnut_pause,
+  Xnut_fall,
+  Ynut_s,
+  Ynut_sB,
+  Ynut_e,
+  Ynut_eB,
+  Ynut_w,
+  Ynut_wB,
+  Ynut_stone,
+
+  Xspring,
+  Xspring_pause,
+  Xspring_e,
+  Xspring_w,
+  Xspring_fall,
+  Yspring_s,
+  Yspring_sB,
+  Yspring_e,
+  Yspring_eB,
+  Yspring_w,
+  Yspring_wB,
+  Yspring_alien_e,
+  Yspring_alien_eB,
+  Yspring_alien_w,
+  Yspring_alien_wB,
+
+  Xpush_emerald_e,
+  Xpush_emerald_w,
+  Xpush_diamond_e,
+  Xpush_diamond_w,
+  Xpush_stone_e,
+  Xpush_stone_w,
+  Xpush_bomb_e,
+  Xpush_bomb_w,
+  Xpush_nut_e,
+  Xpush_nut_w,
+  Xpush_spring_e,
+  Xpush_spring_w,
+
+  Xdynamite,
+  Ydynamite_blank,
+  Xdynamite_1,
+  Xdynamite_2,
+  Xdynamite_3,
+  Xdynamite_4,
+
+  Xkey_1,
+  Xkey_2,
+  Xkey_3,
+  Xkey_4,
+  Xkey_5,
+  Xkey_6,
+  Xkey_7,
+  Xkey_8,
+
+  Xdoor_1,
+  Xdoor_2,
+  Xdoor_3,
+  Xdoor_4,
+  Xdoor_5,
+  Xdoor_6,
+  Xdoor_7,
+  Xdoor_8,
+
+  Xfake_door_1,
+  Xfake_door_2,
+  Xfake_door_3,
+  Xfake_door_4,
+  Xfake_door_5,
+  Xfake_door_6,
+  Xfake_door_7,
+  Xfake_door_8,
+
   Xballoon,
   Yballoon_n,
   Yballoon_nB,
@@ -285,61 +371,12 @@ enum
   Yballoon_w,
   Yballoon_wB,
 
-  Xgrass,
-  Ygrass_nB,
-  Ygrass_eB,
-  Ygrass_sB,
-  Ygrass_wB,
-
-  Xdirt,
-  Ydirt_nB,
-  Ydirt_eB,
-  Ydirt_sB,
-  Ydirt_wB,
-
-  Xacid_ne,
-  Xacid_se,
-  Xacid_s,
-  Xacid_sw,
-  Xacid_nw,
-  Xacid_1,
-  Xacid_2,
-  Xacid_3,
-  Xacid_4,
-  Xacid_5,
-  Xacid_6,
-  Xacid_7,
-  Xacid_8,
-
   Xball_1,
   Yball_1,
   Xball_2,
   Yball_2,
   Yball_blank,
 
-#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
-  Ykey_1_blank,
-  Ykey_2_blank,
-  Ykey_3_blank,
-  Ykey_4_blank,
-  Ykey_5_blank,
-  Ykey_6_blank,
-  Ykey_7_blank,
-  Ykey_8_blank,
-  Ylenses_blank,
-  Ymagnify_blank,
-  Ygrass_blank,
-  Ydirt_blank,
-#endif
-
-  Xslidewall_ns,       /* growing wall */
-  Yslidewall_ns_blank,
-  Xslidewall_ew,
-  Yslidewall_ew_blank,
-
-  Xwonderwall,
-  XwonderwallB,
-
   Xamoeba_1,
   Xamoeba_2,
   Xamoeba_3,
@@ -349,51 +386,45 @@ enum
   Xamoeba_7,
   Xamoeba_8,
 
-  Xdoor_1,
-  Xdoor_2,
-  Xdoor_3,
-  Xdoor_4,
-  Xdoor_5,
-  Xdoor_6,
-  Xdoor_7,
-  Xdoor_8,
-
-  Xkey_1,
-  Xkey_2,
-  Xkey_3,
-  Xkey_4,
-  Xkey_5,
-  Xkey_6,
-  Xkey_7,
-  Xkey_8,
+  Xdrip,
+  Xdrip_fall,
+  Xdrip_stretch,
+  Xdrip_stretchB,
+  Ydrip_1_s,
+  Ydrip_1_sB,
+  Ydrip_2_s,
+  Ydrip_2_sB,
 
-  Xwind_n,
-  Xwind_e,
-  Xwind_s,
-  Xwind_w,
-  Xwind_any,
-  Xwind_stop,
+  Xwonderwall,
+  Ywonderwall,
 
-  Xexit,
-  Xexit_1,
-  Xexit_2,
-  Xexit_3,
+  Xwheel,
+  Ywheel,
 
-  Xdynamite,
-  Ydynamite_blank,
-  Xdynamite_1,
-  Xdynamite_2,
-  Xdynamite_3,
-  Xdynamite_4,
+  Xswitch,
+  Yswitch,
 
   Xbumper,
-  XbumperB,
+  Ybumper,
 
-  Xwheel,
-  XwheelB,
+  Xacid_nw,
+  Xacid_ne,
+  Xacid_sw,
+  Xacid_s,
+  Xacid_se,
 
-  Xswitch,
-  XswitchB,
+  Xfake_blank,
+  Yfake_blank,
+
+  Xfake_grass,
+  Yfake_grass,
+
+  Xfake_amoeba,                        /* dripper */
+  Yfake_amoeba,
+
+  Xlenses,
+
+  Xmagnify,
 
   Xsand,
   Xsand_stone,
@@ -401,63 +432,37 @@ enum
   Xsand_stonein_2,
   Xsand_stonein_3,
   Xsand_stonein_4,
+  Xsand_sandstone_1,
+  Xsand_sandstone_2,
+  Xsand_sandstone_3,
+  Xsand_sandstone_4,
   Xsand_stonesand_1,
   Xsand_stonesand_2,
   Xsand_stonesand_3,
   Xsand_stonesand_4,
-
-#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
-  Xsand_stonesand_quickout_1,
-  Xsand_stonesand_quickout_2,
-#endif
-
   Xsand_stoneout_1,
   Xsand_stoneout_2,
-  Xsand_sandstone_1,
-  Xsand_sandstone_2,
-  Xsand_sandstone_3,
-  Xsand_sandstone_4,
-
-  Xplant,
-  Yplant,
-
-  Xlenses,
-
-  Xmagnify,
-
-  Xfake_amoeba,                /* dripper */
-  Xfake_amoebaB,
+  Xsand_stonesand_quickout_1,  /* newly added to EM engine */
+  Xsand_stonesand_quickout_2,
 
-  Xfake_blank,
-  Xfake_blankB,
+  Xslide_ns,                   /* growing wall */
+  Yslide_ns_blank,
+  Xslide_ew,
+  Yslide_ew_blank,
 
-  Xfake_grass,
-  Xfake_grassB,
+  Xwind_n,
+  Xwind_e,
+  Xwind_s,
+  Xwind_w,
+  Xwind_any,
+  Xwind_stop,
 
-  Xfake_door_1,
-  Xfake_door_2,
-  Xfake_door_3,
-  Xfake_door_4,
-  Xfake_door_5,
-  Xfake_door_6,
-  Xfake_door_7,
-  Xfake_door_8,
+  Xexit,
+  Xexit_1,
+  Xexit_2,
+  Xexit_3,
 
-#ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
-  Xfake_acid_1,
-  Xfake_acid_2,
-  Xfake_acid_3,
-  Xfake_acid_4,
-  Xfake_acid_5,
-  Xfake_acid_6,
-  Xfake_acid_7,
-  Xfake_acid_8,
-#endif
-
-  Xsteel_1,
-  Xsteel_2,
-  Xsteel_3,
-  Xsteel_4,
+  Xpause,
 
   Xwall_1,
   Xwall_2,
@@ -469,6 +474,11 @@ enum
   Xroundwall_3,
   Xroundwall_4,
 
+  Xsteel_1,
+  Xsteel_2,
+  Xsteel_3,
+  Xsteel_4,
+
   Xdecor_1,
   Xdecor_2,
   Xdecor_3,
@@ -493,7 +503,7 @@ enum
   Xalpha_8,
   Xalpha_9,
   Xalpha_excla,
-  Xalpha_quote,
+  Xalpha_apost,
   Xalpha_comma,
   Xalpha_minus,
   Xalpha_perio,
@@ -529,26 +539,20 @@ enum
   Xalpha_arrow_w,
   Xalpha_copyr,
 
-  Xboom_bug,           /* passed from explode to synchro (linked explosion);
-                          transition to explode_normal */
-  Xboom_bomb,          /* passed from explode to synchro (linked explosion);
-                          transition to explode_normal */
-  Xboom_android,       /* passed from explode to synchro;
-                          transition to boom_2 */
-  Xboom_1,             /* passed from explode to synchro;
-                          transition to boom_2 */
-  Xboom_2,             /* transition to boom[] */
-
-  Znormal,             /* passed from synchro to explode, only in next[];
-                          no picture */
-  Zdynamite,           /* passed from synchro to explode, only in next[];
-                          no picture */
-  Zplayer,             /* special code to indicate player;
-                          no picture */
-  Zborder,             /* special code to indicate border;
-                          no picture */
+  Ykey_1_blank,                        /* newly added to EM engine */
+  Ykey_2_blank,
+  Ykey_3_blank,
+  Ykey_4_blank,
+  Ykey_5_blank,
+  Ykey_6_blank,
+  Ykey_7_blank,
+  Ykey_8_blank,
+  Ylenses_blank,
+  Ymagnify_blank,
+  Ygrass_blank,
+  Ydirt_blank,
 
-  TILE_MAX
+  GAME_TILE_MAX
 };
 
 /* other definitions */
@@ -577,7 +581,7 @@ enum
 
 enum
 {
-  SOUND_blank = 0,     /* player walks on blank */
+  SOUND_blank,         /* player walks on blank */
   SOUND_roll,          /* player pushes stone/bomb/nut/spring */
   SOUND_stone,         /* stone hits ground */
   SOUND_nut,           /* nut hits ground */
@@ -600,7 +604,7 @@ enum
   SOUND_dirt,          /* player digs into dirt */
   SOUND_acid,          /* acid splashes */
   SOUND_ball,          /* ball places something */
-  SOUND_slidewall,     /* slide wall grows */
+  SOUND_slide,         /* slide wall grows */
   SOUND_wonder,                /* wonderwall is active */
   SOUND_door,          /* player goes thru door (gate) */
   SOUND_exit_open,     /* exit opens */
@@ -621,115 +625,124 @@ enum
 // data structure definitions
 // ----------------------------------------------------------------------------
 
-struct LEVEL
+/* structure used by logic() for gameplay */
+
+struct PLAYER
 {
-  int home_initial;            /* number of players (initial) */
-  int home;                    /* number of players not yet at home */
-                               /* 0 == all players at home */
+  int num;                     /* player number */
+  int anim;
 
-  int width;                   /* playfield width */
-  int height;                  /* playfield height */
+  int x;
+  int y;
+  int prev_x;
+  int prev_y;
 
-  int time_seconds;            /* available time (seconds) */
-  int time_initial;            /* available time (initial) */
-  int time;                    /* time remaining (runtime) */
+  boolean exists;              /* flag if player exists in cave */
+  boolean alive;               /* flag if player is alive */
 
-  boolean killed_out_of_time;  /* kill player due to time out */
+  int dynamite;                        /* number of pieces of collected dynamite */
+  int dynamite_cnt;            /* how long the player has held down fire */
+  int keys;                    /* keys the player has collected */
 
-  int required_initial;                /* emeralds needed (initial) */
-  int required;                        /* emeralds needed (runtime) */
+  int last_move_dir;
 
-  int score;                   /* score */
+  boolean joy_n;
+  boolean joy_e;
+  boolean joy_s;
+  boolean joy_w;
+  boolean joy_snap;
+  boolean joy_drop;
+  boolean joy_stick;
+};
+
+struct LOGIC
+{
+  int width;                   /* cave width */
+  int height;                  /* cave height */
+
+  int left;                    /* cave left edge */
+  int top;                     /* cave top edge */
+  int right;                   /* cave right edge */
+  int bottom;                  /* cave bottom edge */
 
-  /* all below entries must be filled every time a level is read */
+  int time;                    /* time remaining */
+  int gems_needed;             /* emeralds needed */
+  int score;                   /* score */
 
+  int eater_score;             /* score for killing eater */
   int alien_score;             /* score for killing alien */
-  int amoeba_time;             /* amoeba speed */
-  int android_move_cnt_initial;        /* android move counter (initial) */
-  int android_move_cnt;                /* android move counter */
-  int android_move_time;       /* android move reset time */
-  int android_clone_cnt_initial;/* android clone counter (initial) */
-  int android_clone_cnt;       /* android clone counter */
-  int android_clone_time;      /* android clone reset time */
-  int ball_cnt;                        /* ball counter */
-  int ball_pos;                        /* ball array pos counter */
-  int ball_random;             /* ball is random flag */
-  int ball_state_initial;      /* ball active flag (initial) */
-  int ball_state;              /* ball active flag */
-  int ball_time;               /* ball reset time */
   int bug_score;               /* score for killing bug */
+  int tank_score;              /* score for killing tank */
+  int slurp_score;             /* score for slurping alien with spring */
+  int nut_score;               /* score for cracking nut to emerald */
+  int emerald_score;           /* score for collecting emerald */
   int diamond_score;           /* score for collecting diamond */
   int dynamite_score;          /* score for collecting dynamite */
-  int eater_pos;               /* eater array pos */
-  int eater_score;             /* score for killing eater */
-  int emerald_score;           /* score for collecting emerald */
-  int exit_score;              /* score for entering exit */
   int key_score;               /* score for colleting key */
-  int lenses_cnt_initial;      /* lenses counter (initial) */
-  int lenses_cnt;              /* lenses counter */
   int lenses_score;            /* score for collecting lenses */
-  int lenses_time;             /* lenses reset time */
-  int magnify_cnt_initial;     /* magnify counter (initial) */
-  int magnify_cnt;             /* magnify counter */
   int magnify_score;           /* score for collecting magnifier */
-  int magnify_time;            /* magnify reset time */
-  int nut_score;               /* score for cracking nut */
-  int shine_cnt;               /* shine counter for emerald/diamond */
-  int slurp_score;             /* score for slurping alien */
-  int tank_score;              /* score for killing tank */
-  int wheel_cnt_initial;       /* wheel counter (initial) */
-  int wheel_cnt;               /* wheel counter */
-  int wheel_x_initial;         /* wheel x pos (initial) */
-  int wheel_x;                 /* wheel x pos */
-  int wheel_y_initial;         /* wheel y pos (initial) */
-  int wheel_y;                 /* wheel y pos */
-  int wheel_time;              /* wheel reset time */
-  int wind_cnt_initial;                /* wind counter (initial) */
-  int wind_cnt;                        /* wind time counter */
-  int wind_direction_initial;  /* wind direction (initial) */
+  int exit_score;              /* score for entering exit */
+
+  int android_move_time;       /* reset time for android movement */
+  int android_clone_time;      /* reset time for android cloning */
+  int ball_time;               /* reset time for ball activity */
+  int amoeba_time;             /* amoeba growth speed */
+  int wonderwall_time;         /* reset time for wonderwall activity */
+  int wheel_time;              /* reset time for wheel activity */
+  int wheel_x;                 /* wheel x position */
+  int wheel_y;                 /* wheel y position */
+  int lenses_time;             /* reset time for lenses activity */
+  int magnify_time;            /* reset time for magnifier activity */
+  int wind_time;               /* reset time for wind activity */
   int wind_direction;          /* wind direction */
-  int wind_time;               /* wind reset time */
-  int wonderwall_state_initial;        /* wonderwall active flag (initial) */
-  int wonderwall_state;                /* wonderwall active flag */
-  int wonderwall_time_initial; /* wonderwall time (initial) */
-  int wonderwall_time;         /* wonderwall time */
-  short eater_array[8][9];     /* eater data */
-  short ball_array[8][8];      /* ball data */
-  short android_array[TILE_MAX];/* android clone table */
+
+  boolean ball_random;         /* flag if ball is random */
+  boolean ball_active;         /* flag if ball is already active */
+  boolean wonderwall_active;   /* flag if wonderwall is already active */
+
+  int wheel_cnt;               /* counter for wheel activity */
+  int lenses_cnt;              /* counter for lenses activity */
+  int magnify_cnt;             /* counter for magnifier activity */
+  int wind_cnt;                        /* counter for wind activity */
+  int android_move_cnt;                /* counter for android movement */
+  int android_clone_cnt;       /* counter for android cloning */
+  int ball_cnt;                        /* counter for ball activity */
+  int ball_pos;                        /* counter for ball array position */
+  int eater_pos;               /* counter for eater array position */
+  int shine_cnt;               /* counter for emerald/diamond shining */
+
+  int num_eater_arrays;                /* number of eater data arrays used */
   int num_ball_arrays;         /* number of ball data arrays used */
 
+  int home_initial;            /* number of players (initial) */
+  int home;                    /* number of players not yet at home */
+                               /* 0 == all players at home */
+
+  boolean testmode;            /* test mode */
+  boolean infinite;            /* flag for infinitely wide cave */
+  boolean infinite_true;       /* flag for truely infinitely wide cave */
+  boolean killed_out_of_time;  /* kill player due to time out */
+
   int exit_x, exit_y;          /* kludge for playing player exit sound */
-};
 
-struct PLAYER
-{
-  int num;
-  int exists;
-  int alive_initial;
-  int alive;
-
-  int dynamite;
-  int dynamite_cnt;
-  int keys;
-  int anim;
+  short eater_array[8][9];             /* eater data */
+  short ball_array[8][8];              /* ball data */
+  short android_array[GAME_TILE_MAX];  /* android clone data */
 
-  int x_initial;
-  int y_initial;
-  int x;
-  int y;
-  int oldx;
-  int oldy;
+  short cavebuf[CAVE_BUFFER_WIDTH][CAVE_BUFFER_HEIGHT];
+  short nextbuf[CAVE_BUFFER_WIDTH][CAVE_BUFFER_HEIGHT];
+  short drawbuf[CAVE_BUFFER_WIDTH][CAVE_BUFFER_HEIGHT];
+  short boombuf[CAVE_BUFFER_WIDTH][CAVE_BUFFER_HEIGHT];
 
-  int last_move_dir;
+  short *cavecol[CAVE_BUFFER_WIDTH];
+  short *nextcol[CAVE_BUFFER_WIDTH];
+  short *drawcol[CAVE_BUFFER_WIDTH];
+  short *boomcol[CAVE_BUFFER_WIDTH];
 
-  int joy_n:1;
-  int joy_e:1;
-  int joy_s:1;
-  int joy_w:1;
-  int joy_snap:1;
-  int joy_drop:1;
-  int joy_stick:1;
-  int joy_spin:1;
+  short **cave;
+  short **next;
+  short **draw;
+  short **boom;
 };
 
 #endif // EMERALD_H