Mercurial > hg > early-roguelike
annotate xrogue/maze.c @ 239:837044d2c362
Merge the GCC5 and build fix branches.
This fixes all warnings produced by GCC 5, except the ones related to
system functions. Those could be fixed by including the proper headers,
but it would be better to replace the system-dependent code with
functions from mdport.c.
author | John "Elwin" Edwards |
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date | Fri, 11 Mar 2016 19:47:52 -0500 |
parents | f54901b9c39b |
children | 0250220d8cdd |
rev | line source |
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133
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1 /* |
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2 maze.c - functions for dealing with mazes |
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3 |
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4 XRogue: Expeditions into the Dungeons of Doom |
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5 Copyright (C) 1991 Robert Pietkivitch |
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6 All rights reserved. |
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7 |
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8 Based on "Advanced Rogue" |
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T |
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10 All rights reserved. |
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11 |
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12 See the file LICENSE.TXT for full copyright and licensing information. |
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13 */ |
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14 |
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15 #include <stdlib.h> |
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16 #include <curses.h> |
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17 #include "rogue.h" |
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18 |
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19 struct cell { |
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20 char y_pos; |
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21 char x_pos; |
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22 }; |
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23 struct b_cellscells { |
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24 char num_pos; /* number of frontier cells next to you */ |
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25 struct cell conn[4]; /* the y,x position of above cell */ |
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26 } b_cells; |
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27 |
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28 static char *maze_frontier, *maze_bits; |
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29 static int maze_lines, maze_cols; |
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30 static char *moffset(int y, int x); |
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31 static char *foffset(int y, int x); |
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32 static void rmwall(int newy, int newx, int oldy, int oldx); |
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33 static void draw_maze(void); |
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34 static int findcells(int y, int x); |
133
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35 |
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36 /* |
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37 * crankout: |
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38 * Does actual drawing of maze to window |
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39 */ |
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40 |
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41 static |
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42 void |
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43 crankout(void) |
133
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44 { |
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45 reg int x, y; |
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46 |
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47 for (y = 0; y < lines - 3; y++) { |
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48 move(y + 1, 0); |
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49 for (x = 0; x < cols - 1; x++) { |
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50 if (*moffset(y, x)) { /* here is a wall */ |
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51 if(y==0 || y==lines-4) /* top or bottom line */ |
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52 addch(HORZWALL); |
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53 else if(x==0 || x==cols-2) /* left | right side */ |
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54 addch(VERTWALL); |
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55 else if (y % 2 == 0 && x % 2 == 0) { |
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56 if(*moffset(y, x-1) || *moffset(y, x+1)) |
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57 addch(HORZWALL); |
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58 else |
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59 addch(VERTWALL); |
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60 } |
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61 else if (y % 2 == 0) |
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62 addch(HORZWALL); |
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63 else |
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64 addch(VERTWALL); |
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65 } |
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66 else |
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67 addch(FLOOR); |
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68 } |
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69 } |
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70 } |
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71 |
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72 /* |
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73 * domaze: |
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74 * Draw the maze on this level. |
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75 */ |
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76 |
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77 void |
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78 do_maze(void) |
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79 { |
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80 reg int least; |
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81 reg struct room *rp; |
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82 reg struct linked_list *item; |
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83 reg struct object *obj; |
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84 int cnt; |
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85 bool treas; |
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86 coord tp; |
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87 |
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88 for (rp = rooms; rp < &rooms[MAXROOMS]; rp++) { |
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89 rp->r_flags = ISGONE; /* kill all rooms */ |
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90 rp->r_fires = NULL; /* no fires */ |
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91 } |
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92 rp = &rooms[0]; /* point to only room */ |
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93 rp->r_flags = ISDARK; /* mazes always dark */ |
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94 rp->r_pos.x = 0; /* room fills whole screen */ |
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95 rp->r_pos.y = 1; |
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96 rp->r_max.x = cols - 1; |
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97 rp->r_max.y = lines - 3; |
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98 draw_maze(); /* put maze into window */ |
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99 /* |
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100 * add some gold to make it worth looking for |
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101 */ |
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102 item = spec_item(GOLD, 0, 0, 0); |
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103 obj = OBJPTR(item); |
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104 obj->o_count *= (rnd(50) + 50); /* add in one large hunk */ |
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105 attach(lvl_obj, item); |
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106 cnt = 0; |
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107 do { |
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108 rnd_pos(rp, &tp); |
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109 } until (mvinch(tp.y, tp.x) == FLOOR || cnt++ > 2500); |
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110 mvaddch(tp.y, tp.x, GOLD); |
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111 obj->o_pos = tp; |
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112 /* |
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113 * add in some food to make sure he has enough |
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114 */ |
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115 item = spec_item(FOOD, 0, 0, 0); |
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116 obj = OBJPTR(item); |
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117 attach(lvl_obj, item); |
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118 do { |
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119 rnd_pos(rp, &tp); |
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120 } until (mvinch(tp.y, tp.x) == FLOOR || cnt++ > 2500); |
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121 mvaddch(tp.y, tp.x, FOOD); |
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122 obj->o_pos = tp; |
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123 |
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124 /* it doesn't mater if it's a treasure maze or a normal maze, |
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125 * more than enough monsters will be genned. |
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126 */ |
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127 least = rnd(11)+5; |
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|
128 if (least < 6) { |
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|
129 least = 7; |
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130 treas = FALSE; |
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diff
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131 } |
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|
132 else treas = TRUE; |
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|
133 genmonsters(least, treas); |
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diff
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|
134 |
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135 /* sometimes they're real angry */ |
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136 if (rnd(100) < 65) { |
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137 /* protect the good charactors */ |
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138 if (player.t_ctype == C_PALADIN || |
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139 player.t_ctype == C_RANGER || player.t_ctype == C_MONK) { |
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140 aggravate(TRUE, FALSE); |
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diff
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|
141 } |
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diff
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|
142 else { |
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|
143 aggravate(TRUE, TRUE); |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
144 } |
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parents:
diff
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|
145 } |
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parents:
diff
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|
146 } |
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147 |
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148 /* |
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149 * draw_maze: |
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150 * Generate and draw the maze on the screen |
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151 */ |
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152 |
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153 static |
220
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XRogue: convert to ANSI-style function declarations.
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133
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154 void |
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133
diff
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155 draw_maze(void) |
133
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156 { |
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157 reg int i, j, more; |
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158 reg char *ptr; |
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159 |
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diff
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160 maze_lines = (lines - 3) / 2; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
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161 maze_cols = (cols - 1) / 2; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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162 maze_bits = ALLOC((lines - 3) * (cols - 1)); |
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163 maze_frontier = ALLOC(maze_lines * maze_cols); |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
164 ptr = maze_frontier; |
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parents:
diff
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165 while (ptr < (maze_frontier + (maze_lines * maze_cols))) |
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parents:
diff
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166 *ptr++ = TRUE; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
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|
167 for (i = 0; i < lines - 3; i++) { |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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168 for (j = 0; j < cols - 1; j++) { |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
169 if (i % 2 == 1 && j % 2 == 1) |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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170 *moffset(i, j) = FALSE; /* floor */ |
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parents:
diff
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|
171 else |
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parents:
diff
changeset
|
172 *moffset(i, j) = TRUE; /* wall */ |
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diff
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|
173 } |
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parents:
diff
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|
174 } |
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parents:
diff
changeset
|
175 for (i = 0; i < maze_lines; i++) { |
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parents:
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176 for (j = 0; j < maze_cols; j++) { |
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177 do |
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|
178 more = findcells(i,j); |
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179 while(more != 0); |
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|
180 } |
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diff
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|
181 } |
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|
182 crankout(); |
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diff
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|
183 FREE(maze_frontier); |
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diff
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|
184 FREE(maze_bits); |
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diff
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|
185 } |
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|
186 |
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|
187 /* |
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188 * findcells: |
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diff
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|
189 * Figure out cells to open up |
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diff
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|
190 */ |
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|
191 |
220
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XRogue: convert to ANSI-style function declarations.
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133
diff
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|
192 static int |
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133
diff
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193 findcells(int y, int x) |
133
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194 { |
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195 reg int rtpos, i; |
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|
196 |
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197 *foffset(y, x) = FALSE; |
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198 b_cells.num_pos = 0; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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diff
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199 if (y < maze_lines - 1) { /* look below */ |
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parents:
diff
changeset
|
200 if (*foffset(y + 1, x)) { |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
201 b_cells.conn[b_cells.num_pos].y_pos = y + 1; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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diff
changeset
|
202 b_cells.conn[b_cells.num_pos].x_pos = x; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
203 b_cells.num_pos += 1; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
204 } |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
205 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
206 if (y > 0) { /* look above */ |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
207 if (*foffset(y - 1, x)) { |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
208 b_cells.conn[b_cells.num_pos].y_pos = y - 1; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
209 b_cells.conn[b_cells.num_pos].x_pos = x; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
210 b_cells.num_pos += 1; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
211 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
212 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
213 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
214 if (x < maze_cols - 1) { /* look right */ |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
215 if (*foffset(y, x + 1)) { |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
216 b_cells.conn[b_cells.num_pos].y_pos = y; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
217 b_cells.conn[b_cells.num_pos].x_pos = x + 1; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
218 b_cells.num_pos += 1; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
219 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
220 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
221 if (x > 0) { /* look left */ |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
222 if (*foffset(y, x - 1)) { |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
223 b_cells.conn[b_cells.num_pos].y_pos = y; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
224 b_cells.conn[b_cells.num_pos].x_pos = x - 1; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
225 b_cells.num_pos += 1; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
226 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
227 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
228 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
229 if (b_cells.num_pos == 0) /* no neighbors available */ |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
230 return 0; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
231 else { |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
232 i = rnd(b_cells.num_pos); |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
233 rtpos = b_cells.num_pos - 1; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
234 rmwall(b_cells.conn[i].y_pos, b_cells.conn[i].x_pos, y, x); |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
235 return rtpos; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
236 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
237 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
238 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
239 /* |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
240 * foffset: |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
241 * Calculate memory address for frontier |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
242 */ |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
243 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
244 static char * |
220
f54901b9c39b
XRogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents:
133
diff
changeset
|
245 foffset(int y, int x) |
133
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
246 { |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
247 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
248 return (maze_frontier + (y * maze_cols) + x); |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
249 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
250 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
251 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
252 /* |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
253 * Maze_view: |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
254 * Returns true if the player can see the specified location within |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
255 * the confines of a maze (within one column or row) |
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256 */ |
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parents:
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257 |
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parents:
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258 bool |
220
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133
diff
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259 maze_view(int y, int x) |
133
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parents:
diff
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260 { |
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parents:
diff
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261 register int start, goal, delta, ycheck = 0, xcheck = 0, absy, absx, see_radius; |
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262 register bool row; |
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263 |
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diff
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264 /* Get the absolute value of y and x differences */ |
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265 absy = hero.y - y; |
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266 absx = hero.x - x; |
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diff
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267 if (absy < 0) absy = -absy; |
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268 if (absx < 0) absx = -absx; |
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269 |
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diff
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270 /* If we are standing in a wall, we can see a bit more */ |
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diff
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271 switch (winat(hero.y, hero.x)) { |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
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272 case VERTWALL: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
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273 case HORZWALL: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
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274 case WALL: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
275 case SECRETDOOR: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
276 case DOOR: |
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diff
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277 see_radius = 2; |
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diff
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278 otherwise: |
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279 see_radius = 1; |
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280 } |
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281 |
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282 /* Must be within one or two rows or columns */ |
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diff
changeset
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283 if (absy > see_radius && absx > see_radius) return(FALSE); |
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284 |
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parents:
diff
changeset
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285 if (absx > see_radius) { /* Go along row */ |
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286 start = hero.x; |
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diff
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287 goal = x; |
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288 ycheck = hero.y; |
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parents:
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289 row = TRUE; |
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290 } |
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parents:
diff
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|
291 else { /* Go along column */ |
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parents:
diff
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|
292 start = hero.y; |
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parents:
diff
changeset
|
293 goal = y; |
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diff
changeset
|
294 xcheck = hero.x; |
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parents:
diff
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295 row = FALSE; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
296 } |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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|
297 |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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298 if (start <= goal) delta = 1; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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299 else delta = -1; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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300 |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
301 /* Start one past where we are standing */ |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
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302 if (start != goal) start += delta; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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diff
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303 |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
304 /* If we are in a wall, we want to look in the area outside the wall */ |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
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305 if (see_radius > 1) { |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
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306 if (row) { |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
307 /* See if above us it okay first */ |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
308 switch (winat(ycheck, start)) { |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
309 case VERTWALL: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
310 case HORZWALL: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
311 case WALL: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
312 case DOOR: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
313 case SECRETDOOR: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
314 /* No good, try one up */ |
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parents:
diff
changeset
|
315 if (y > hero.y) ycheck++; |
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parents:
diff
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|
316 else ycheck--; |
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parents:
diff
changeset
|
317 otherwise: |
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parents:
diff
changeset
|
318 see_radius = 1; /* Just look straight over the row */ |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
319 } |
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parents:
diff
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|
320 } |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
321 else { |
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parents:
diff
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|
322 /* See if above us it okay first */ |
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parents:
diff
changeset
|
323 switch (winat(start, xcheck)) { |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
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|
324 case VERTWALL: |
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John "Elwin" Edwards
parents:
diff
changeset
|
325 case HORZWALL: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
326 case WALL: |
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parents:
diff
changeset
|
327 case DOOR: |
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parents:
diff
changeset
|
328 case SECRETDOOR: |
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John "Elwin" Edwards
parents:
diff
changeset
|
329 /* No good, try one over */ |
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John "Elwin" Edwards
parents:
diff
changeset
|
330 if (x > hero.x) xcheck++; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
331 else xcheck--; |
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parents:
diff
changeset
|
332 otherwise: |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
333 see_radius = 1; /* Just look straight up the column */ |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
334 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
335 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
336 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
337 |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
338 /* Check boundary again */ |
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parents:
diff
changeset
|
339 if (absy > see_radius && absx > see_radius) return(FALSE); |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
340 |
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parents:
diff
changeset
|
341 while (start != goal) { |
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parents:
diff
changeset
|
342 if (row) xcheck = start; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
343 else ycheck = start; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
344 |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
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|
345 if (xcheck < 0 || ycheck < 0) |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
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|
346 return FALSE; |
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John "Elwin" Edwards
parents:
diff
changeset
|
347 switch (winat(ycheck, xcheck)) { |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
348 case VERTWALL: |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
349 case HORZWALL: |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
350 case WALL: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
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parents:
diff
changeset
|
351 case DOOR: |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
352 case SECRETDOOR: |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
353 return(FALSE); |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
354 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
355 start += delta; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
356 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
357 return(TRUE); |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
358 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
359 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
360 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
361 /* |
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John "Elwin" Edwards
parents:
diff
changeset
|
362 * moffset: |
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John "Elwin" Edwards
parents:
diff
changeset
|
363 * Calculate memory address for bits |
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John "Elwin" Edwards
parents:
diff
changeset
|
364 */ |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
365 |
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John "Elwin" Edwards
parents:
diff
changeset
|
366 static char * |
220
f54901b9c39b
XRogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents:
133
diff
changeset
|
367 moffset(int y, int x) |
133
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
368 { |
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John "Elwin" Edwards
parents:
diff
changeset
|
369 return (maze_bits + (y * (cols - 1)) + x); |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
370 } |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
371 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
372 /* |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
373 * rmwall: |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
374 * Removes appropriate walls from the maze |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
375 */ |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
376 static |
220
f54901b9c39b
XRogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents:
133
diff
changeset
|
377 void |
f54901b9c39b
XRogue: convert to ANSI-style function declarations.
John "Elwin" Edwards
parents:
133
diff
changeset
|
378 rmwall(int newy, int newx, int oldy, int oldx) |
133
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
379 { |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
380 reg int xdif,ydif; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
381 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
382 xdif = newx - oldx; |
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Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
383 ydif = newy - oldy; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
384 |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
385 *moffset((oldy * 2) + ydif + 1, (oldx * 2) + xdif + 1) = FALSE; |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
386 findcells(newy, newx); |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
387 } |
e6179860cb76
Import XRogue 8.0 from the Roguelike Restoration Project (r1490)
John "Elwin" Edwards
parents:
diff
changeset
|
388 |