Mercurial > hg > early-roguelike
annotate rogue5/weapons.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 | f502bf60e6e4 |
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rev | line source |
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33
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1 /* |
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2 * Functions for dealing with problems brought about by weapons |
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3 * |
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4 * @(#)weapons.c 4.34 (Berkeley) 02/05/99 |
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5 * |
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6 * Rogue: Exploring the Dungeons of Doom |
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7 * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman |
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8 * All rights reserved. |
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9 * |
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10 * See the file LICENSE.TXT for full copyright and licensing information. |
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11 */ |
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12 |
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13 #include <curses.h> |
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14 #include <string.h> |
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15 #include <ctype.h> |
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16 #include "rogue.h" |
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17 |
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18 #define NO_WEAPON -1 |
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19 |
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20 static const struct init_weaps { |
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21 char *iw_dam; /* Damage when wielded */ |
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22 char *iw_hrl; /* Damage when thrown */ |
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23 int iw_launch; /* Launching weapon */ |
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24 int iw_flags; /* Miscellaneous flags */ |
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25 } init_dam[MAXWEAPONS] = { |
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26 { "2x4", "1x3", NO_WEAPON, 0, }, /* Mace */ |
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27 { "3x4", "1x2", NO_WEAPON, 0, }, /* Long sword */ |
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28 { "1x1", "1x1", NO_WEAPON, 0, }, /* Bow */ |
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29 { "1x1", "2x3", BOW, ISMANY|ISMISL, }, /* Arrow */ |
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30 { "1x6", "1x4", NO_WEAPON, ISMISL|ISMISL, }, /* Dagger */ |
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31 { "4x4", "1x2", NO_WEAPON, 0, }, /* 2h sword */ |
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32 { "1x1", "1x3", NO_WEAPON, ISMANY|ISMISL, }, /* Dart */ |
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33 { "1x2", "2x4", NO_WEAPON, ISMANY|ISMISL, }, /* Shuriken */ |
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34 { "2x3", "1x6", NO_WEAPON, ISMISL, }, /* Spear */ |
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35 }; |
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36 |
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37 /* |
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38 * missile: |
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39 * Fire a missile in a given direction |
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40 */ |
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41 |
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42 void |
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43 missile(int ydelta, int xdelta) |
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44 { |
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45 THING *obj; |
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46 |
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47 /* |
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48 * Get which thing we are hurling |
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49 */ |
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50 if ((obj = get_item("throw", WEAPON)) == NULL) |
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51 return; |
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52 if (!dropcheck(obj) || is_current(obj)) |
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53 return; |
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54 obj = leave_pack(obj, TRUE, FALSE); |
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55 do_motion(obj, ydelta, xdelta); |
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56 /* |
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57 * AHA! Here it has hit something. If it is a wall or a door, |
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58 * or if it misses (combat) the monster, put it on the floor |
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59 */ |
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60 if (moat(obj->o_pos.y, obj->o_pos.x) == NULL || |
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61 !hit_monster(unc(obj->o_pos), obj)) |
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62 fall(obj, TRUE); |
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63 } |
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64 |
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65 /* |
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66 * do_motion: |
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67 * Do the actual motion on the screen done by an object traveling |
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68 * across the room |
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69 */ |
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70 |
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71 void |
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72 do_motion(THING *obj, int ydelta, int xdelta) |
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73 { |
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74 int ch; |
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75 |
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76 /* |
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77 * Come fly with us ... |
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78 */ |
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79 obj->o_pos = hero; |
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80 for (;;) |
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81 { |
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82 /* |
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83 * Erase the old one |
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84 */ |
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85 if (!ce(obj->o_pos, hero) && cansee(unc(obj->o_pos)) && !terse) |
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86 { |
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87 ch = chat(obj->o_pos.y, obj->o_pos.x); |
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88 if (ch == FLOOR && !show_floor()) |
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89 ch = ' '; |
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90 mvaddch(obj->o_pos.y, obj->o_pos.x, ch); |
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91 } |
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92 /* |
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93 * Get the new position |
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94 */ |
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95 obj->o_pos.y += ydelta; |
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96 obj->o_pos.x += xdelta; |
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97 if (step_ok(ch = winat(obj->o_pos.y, obj->o_pos.x)) && ch != DOOR) |
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98 { |
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99 /* |
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100 * It hasn't hit anything yet, so display it |
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101 * If it alright. |
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102 */ |
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103 if (cansee(unc(obj->o_pos)) && !terse) |
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104 { |
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105 mvaddch(obj->o_pos.y, obj->o_pos.x, obj->o_type); |
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106 refresh(); |
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107 } |
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108 continue; |
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109 } |
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110 break; |
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111 } |
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112 } |
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113 |
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114 /* |
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115 * fall: |
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116 * Drop an item someplace around here. |
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117 */ |
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118 |
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119 void |
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120 fall(THING *obj, int pr) |
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121 { |
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122 PLACE *pp; |
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123 coord fpos; |
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124 |
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125 if (fallpos(&obj->o_pos, &fpos)) |
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126 { |
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127 pp = INDEX(fpos.y, fpos.x); |
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128 pp->p_ch = obj->o_type; |
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129 obj->o_pos = fpos; |
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130 if (cansee(fpos.y, fpos.x)) |
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131 { |
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132 if (pp->p_monst != NULL) |
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133 pp->p_monst->t_oldch = obj->o_type; |
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134 else |
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135 mvaddch(fpos.y, fpos.x, obj->o_type); |
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136 } |
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137 attach(lvl_obj, obj); |
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138 return; |
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139 } |
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140 if (pr) |
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141 { |
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142 if (has_hit) |
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143 { |
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144 endmsg(); |
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145 has_hit = FALSE; |
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146 } |
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147 msg("the %s vanishes as it hits the ground", |
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148 weap_info[obj->o_which].oi_name); |
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149 } |
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150 discard(obj); |
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151 } |
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152 |
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153 /* |
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154 * init_weapon: |
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155 * Set up the initial goodies for a weapon |
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156 */ |
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157 |
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158 void |
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159 init_weapon(THING *weap, int which) |
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160 { |
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161 const struct init_weaps *iwp; |
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162 |
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163 weap->o_type = WEAPON; |
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164 weap->o_which = which; |
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165 iwp = &init_dam[which]; |
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166 strncpy(weap->o_damage, iwp->iw_dam, sizeof(weap->o_damage)); |
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167 strncpy(weap->o_hurldmg,iwp->iw_hrl, sizeof(weap->o_hurldmg)); |
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168 weap->o_launch = iwp->iw_launch; |
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169 weap->o_flags = iwp->iw_flags; |
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170 weap->o_hplus = 0; |
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171 weap->o_dplus = 0; |
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172 if (which == DAGGER) |
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173 { |
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174 weap->o_count = rnd(4) + 2; |
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175 weap->o_group = group++; |
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176 } |
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177 else if (weap->o_flags & ISMANY) |
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178 { |
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179 weap->o_count = rnd(8) + 8; |
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180 weap->o_group = group++; |
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181 } |
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182 else |
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183 { |
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184 weap->o_count = 1; |
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185 weap->o_group = 0; |
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186 } |
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187 } |
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188 |
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189 /* |
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190 * hit_monster: |
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191 * Does the missile hit the monster? |
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192 */ |
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193 int |
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194 hit_monster(int y, int x, const THING *obj) |
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195 { |
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196 coord mp; |
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197 |
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198 mp.y = y; |
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199 mp.x = x; |
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200 return fight(&mp, obj, TRUE); |
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201 } |
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202 |
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203 /* |
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204 * num: |
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205 * Figure out the plus number for armor/weapons |
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206 */ |
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207 const char * |
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208 num(int n1, int n2, int type) |
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209 { |
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210 static char numbuf[10]; |
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211 |
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212 sprintf(numbuf, n1 < 0 ? "%d" : "+%d", n1); |
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213 if (type == WEAPON) |
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214 sprintf(&numbuf[strlen(numbuf)], n2 < 0 ? ",%d" : ",+%d", n2); |
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215 return numbuf; |
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216 } |
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217 |
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218 /* |
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219 * wield: |
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220 * Pull out a certain weapon |
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221 */ |
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222 |
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223 void |
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224 wield(void) |
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225 { |
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226 THING *obj, *oweapon; |
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227 char *sp; |
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228 |
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229 oweapon = cur_weapon; |
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230 if (!dropcheck(cur_weapon)) |
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231 { |
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232 cur_weapon = oweapon; |
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233 return; |
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|
234 } |
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235 cur_weapon = oweapon; |
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236 if ((obj = get_item("wield", WEAPON)) == NULL) |
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237 { |
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238 bad: |
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239 after = FALSE; |
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240 return; |
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241 } |
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242 |
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243 if (obj->o_type == ARMOR) |
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244 { |
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245 msg("you can't wield armor"); |
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246 goto bad; |
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|
247 } |
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248 if (is_current(obj)) |
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249 goto bad; |
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250 |
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251 sp = inv_name(obj, TRUE); |
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252 cur_weapon = obj; |
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253 if (!terse) |
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254 addmsg("you are now "); |
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255 msg("wielding %s (%c)", sp, obj->o_packch); |
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256 } |
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257 |
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258 /* |
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259 * fallpos: |
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260 * Pick a random position around the give (y, x) coordinates |
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261 */ |
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262 int |
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263 fallpos(const coord *pos, coord *newpos) |
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264 { |
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265 int y, x, cnt, ch; |
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266 |
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267 cnt = 0; |
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268 for (y = pos->y - 1; y <= pos->y + 1; y++) |
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269 for (x = pos->x - 1; x <= pos->x + 1; x++) |
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270 { |
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Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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271 /* |
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272 * check to make certain the spot is empty, if it is, |
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273 * put the object there, set it in the level list |
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274 * and re-draw the room if he can see it |
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275 */ |
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276 if (y == hero.y && x == hero.x) |
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277 continue; |
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278 if (((ch = chat(y, x)) == FLOOR || ch == PASSAGE) |
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279 && rnd(++cnt) == 0) |
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280 { |
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281 newpos->y = y; |
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282 newpos->x = x; |
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283 } |
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284 } |
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285 return (cnt != 0); |
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286 } |