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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 298 | serge | 1 | // Emacs style mode select -*- C++ -*- |
| 2 | //----------------------------------------------------------------------------- |
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| 3 | // |
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| 4 | // $Id:$ |
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| 5 | // |
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| 6 | // Copyright (C) 1993-1996 by id Software, Inc. |
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| 7 | // |
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| 8 | // This source is available for distribution and/or modification |
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| 9 | // only under the terms of the DOOM Source Code License as |
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| 10 | // published by id Software. All rights reserved. |
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| 11 | // |
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| 12 | // The source is distributed in the hope that it will be useful, |
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| 13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License |
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| 15 | // for more details. |
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| 16 | // |
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| 17 | // $Log:$ |
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| 18 | // |
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| 19 | // DESCRIPTION: |
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| 20 | // Floor animation: raising stairs. |
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| 21 | // |
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| 22 | //----------------------------------------------------------------------------- |
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| 23 | |||
| 24 | static const char |
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| 25 | rcsid[] = "$Id: p_floor.c,v 1.4 1997/02/03 16:47:54 b1 Exp $"; |
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| 26 | |||
| 27 | |||
| 28 | #include "z_zone.h" |
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| 29 | #include "doomdef.h" |
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| 30 | #include "p_local.h" |
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| 31 | |||
| 32 | #include "s_sound.h" |
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| 33 | |||
| 34 | // State. |
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| 35 | #include "doomstat.h" |
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| 36 | #include "r_state.h" |
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| 37 | // Data. |
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| 38 | #include "sounds.h" |
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| 39 | |||
| 40 | |||
| 41 | // |
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| 42 | // FLOORS |
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| 43 | // |
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| 44 | |||
| 45 | // |
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| 46 | // Move a plane (floor or ceiling) and check for crushing |
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| 47 | // |
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| 48 | result_e |
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| 49 | T_MovePlane |
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| 50 | ( sector_t* sector, |
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| 51 | fixed_t speed, |
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| 52 | fixed_t dest, |
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| 53 | boolean crush, |
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| 54 | int floorOrCeiling, |
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| 55 | int direction ) |
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| 56 | { |
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| 57 | boolean flag; |
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| 58 | fixed_t lastpos; |
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| 59 | |||
| 60 | switch(floorOrCeiling) |
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| 61 | { |
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| 62 | case 0: |
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| 63 | // FLOOR |
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| 64 | switch(direction) |
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| 65 | { |
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| 66 | case -1: |
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| 67 | // DOWN |
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| 68 | if (sector->floorheight - speed < dest) |
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| 69 | { |
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| 70 | lastpos = sector->floorheight; |
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| 71 | sector->floorheight = dest; |
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| 72 | flag = P_ChangeSector(sector,crush); |
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| 73 | if (flag == true) |
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| 74 | { |
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| 75 | sector->floorheight =lastpos; |
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| 76 | P_ChangeSector(sector,crush); |
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| 77 | //return crushed; |
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| 78 | } |
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| 79 | return pastdest; |
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| 80 | } |
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| 81 | else |
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| 82 | { |
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| 83 | lastpos = sector->floorheight; |
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| 84 | sector->floorheight -= speed; |
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| 85 | flag = P_ChangeSector(sector,crush); |
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| 86 | if (flag == true) |
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| 87 | { |
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| 88 | sector->floorheight = lastpos; |
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| 89 | P_ChangeSector(sector,crush); |
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| 90 | return crushed; |
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| 91 | } |
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| 92 | } |
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| 93 | break; |
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| 94 | |||
| 95 | case 1: |
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| 96 | // UP |
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| 97 | if (sector->floorheight + speed > dest) |
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| 98 | { |
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| 99 | lastpos = sector->floorheight; |
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| 100 | sector->floorheight = dest; |
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| 101 | flag = P_ChangeSector(sector,crush); |
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| 102 | if (flag == true) |
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| 103 | { |
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| 104 | sector->floorheight = lastpos; |
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| 105 | P_ChangeSector(sector,crush); |
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| 106 | //return crushed; |
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| 107 | } |
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| 108 | return pastdest; |
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| 109 | } |
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| 110 | else |
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| 111 | { |
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| 112 | // COULD GET CRUSHED |
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| 113 | lastpos = sector->floorheight; |
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| 114 | sector->floorheight += speed; |
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| 115 | flag = P_ChangeSector(sector,crush); |
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| 116 | if (flag == true) |
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| 117 | { |
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| 118 | if (crush == true) |
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| 119 | return crushed; |
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| 120 | sector->floorheight = lastpos; |
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| 121 | P_ChangeSector(sector,crush); |
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| 122 | return crushed; |
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| 123 | } |
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| 124 | } |
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| 125 | break; |
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| 126 | } |
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| 127 | break; |
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| 128 | |||
| 129 | case 1: |
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| 130 | // CEILING |
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| 131 | switch(direction) |
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| 132 | { |
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| 133 | case -1: |
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| 134 | // DOWN |
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| 135 | if (sector->ceilingheight - speed < dest) |
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| 136 | { |
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| 137 | lastpos = sector->ceilingheight; |
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| 138 | sector->ceilingheight = dest; |
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| 139 | flag = P_ChangeSector(sector,crush); |
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| 140 | |||
| 141 | if (flag == true) |
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| 142 | { |
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| 143 | sector->ceilingheight = lastpos; |
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| 144 | P_ChangeSector(sector,crush); |
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| 145 | //return crushed; |
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| 146 | } |
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| 147 | return pastdest; |
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| 148 | } |
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| 149 | else |
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| 150 | { |
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| 151 | // COULD GET CRUSHED |
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| 152 | lastpos = sector->ceilingheight; |
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| 153 | sector->ceilingheight -= speed; |
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| 154 | flag = P_ChangeSector(sector,crush); |
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| 155 | |||
| 156 | if (flag == true) |
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| 157 | { |
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| 158 | if (crush == true) |
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| 159 | return crushed; |
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| 160 | sector->ceilingheight = lastpos; |
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| 161 | P_ChangeSector(sector,crush); |
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| 162 | return crushed; |
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| 163 | } |
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| 164 | } |
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| 165 | break; |
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| 166 | |||
| 167 | case 1: |
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| 168 | // UP |
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| 169 | if (sector->ceilingheight + speed > dest) |
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| 170 | { |
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| 171 | lastpos = sector->ceilingheight; |
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| 172 | sector->ceilingheight = dest; |
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| 173 | flag = P_ChangeSector(sector,crush); |
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| 174 | if (flag == true) |
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| 175 | { |
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| 176 | sector->ceilingheight = lastpos; |
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| 177 | P_ChangeSector(sector,crush); |
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| 178 | //return crushed; |
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| 179 | } |
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| 180 | return pastdest; |
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| 181 | } |
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| 182 | else |
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| 183 | { |
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| 184 | lastpos = sector->ceilingheight; |
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| 185 | sector->ceilingheight += speed; |
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| 186 | flag = P_ChangeSector(sector,crush); |
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| 187 | // UNUSED |
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| 188 | #if 0 |
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| 189 | if (flag == true) |
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| 190 | { |
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| 191 | sector->ceilingheight = lastpos; |
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| 192 | P_ChangeSector(sector,crush); |
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| 193 | return crushed; |
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| 194 | } |
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| 195 | #endif |
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| 196 | } |
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| 197 | break; |
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| 198 | } |
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| 199 | break; |
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| 200 | |||
| 201 | } |
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| 202 | return ok; |
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| 203 | } |
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| 204 | |||
| 205 | |||
| 206 | // |
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| 207 | // MOVE A FLOOR TO IT'S DESTINATION (UP OR DOWN) |
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| 208 | // |
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| 209 | void T_MoveFloor(floormove_t* floor) |
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| 210 | { |
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| 211 | result_e res; |
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| 212 | |||
| 213 | res = T_MovePlane(floor->sector, |
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| 214 | floor->speed, |
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| 215 | floor->floordestheight, |
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| 216 | floor->crush,0,floor->direction); |
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| 217 | |||
| 218 | if (!(leveltime&7)) |
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| 219 | S_StartSound((mobj_t *)&floor->sector->soundorg, |
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| 220 | sfx_stnmov); |
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| 221 | |||
| 222 | if (res == pastdest) |
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| 223 | { |
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| 224 | floor->sector->specialdata = NULL; |
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| 225 | |||
| 226 | if (floor->direction == 1) |
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| 227 | { |
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| 228 | switch(floor->type) |
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| 229 | { |
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| 230 | case donutRaise: |
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| 231 | floor->sector->special = floor->newspecial; |
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| 232 | floor->sector->floorpic = floor->texture; |
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| 233 | default: |
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| 234 | break; |
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| 235 | } |
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| 236 | } |
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| 237 | else if (floor->direction == -1) |
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| 238 | { |
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| 239 | switch(floor->type) |
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| 240 | { |
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| 241 | case lowerAndChange: |
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| 242 | floor->sector->special = floor->newspecial; |
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| 243 | floor->sector->floorpic = floor->texture; |
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| 244 | default: |
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| 245 | break; |
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| 246 | } |
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| 247 | } |
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| 248 | P_RemoveThinker(&floor->thinker); |
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| 249 | |||
| 250 | S_StartSound((mobj_t *)&floor->sector->soundorg, |
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| 251 | sfx_pstop); |
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| 252 | } |
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| 253 | |||
| 254 | } |
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| 255 | |||
| 256 | // |
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| 257 | // HANDLE FLOOR TYPES |
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| 258 | // |
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| 259 | int |
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| 260 | EV_DoFloor |
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| 261 | ( line_t* line, |
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| 262 | floor_e floortype ) |
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| 263 | { |
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| 264 | int secnum; |
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| 265 | int rtn; |
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| 266 | int i; |
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| 267 | sector_t* sec; |
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| 268 | floormove_t* floor; |
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| 269 | |||
| 270 | secnum = -1; |
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| 271 | rtn = 0; |
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| 272 | while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0) |
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| 273 | { |
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| 274 | sec = §ors[secnum]; |
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| 275 | |||
| 276 | // ALREADY MOVING? IF SO, KEEP GOING... |
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| 277 | if (sec->specialdata) |
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| 278 | continue; |
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| 279 | |||
| 280 | // new floor thinker |
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| 281 | rtn = 1; |
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| 282 | floor = Z_Malloc (sizeof(*floor), PU_LEVSPEC, 0); |
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| 283 | P_AddThinker (&floor->thinker); |
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| 284 | sec->specialdata = floor; |
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| 285 | floor->thinker.function.acp1 = (actionf_p1) T_MoveFloor; |
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| 286 | floor->type = floortype; |
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| 287 | floor->crush = false; |
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| 288 | |||
| 289 | switch(floortype) |
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| 290 | { |
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| 291 | case lowerFloor: |
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| 292 | floor->direction = -1; |
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| 293 | floor->sector = sec; |
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| 294 | floor->speed = FLOORSPEED; |
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| 295 | floor->floordestheight = |
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| 296 | P_FindHighestFloorSurrounding(sec); |
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| 297 | break; |
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| 298 | |||
| 299 | case lowerFloorToLowest: |
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| 300 | floor->direction = -1; |
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| 301 | floor->sector = sec; |
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| 302 | floor->speed = FLOORSPEED; |
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| 303 | floor->floordestheight = |
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| 304 | P_FindLowestFloorSurrounding(sec); |
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| 305 | break; |
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| 306 | |||
| 307 | case turboLower: |
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| 308 | floor->direction = -1; |
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| 309 | floor->sector = sec; |
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| 310 | floor->speed = FLOORSPEED * 4; |
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| 311 | floor->floordestheight = |
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| 312 | P_FindHighestFloorSurrounding(sec); |
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| 313 | if (floor->floordestheight != sec->floorheight) |
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| 314 | floor->floordestheight += 8*FRACUNIT; |
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| 315 | break; |
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| 316 | |||
| 317 | case raiseFloorCrush: |
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| 318 | floor->crush = true; |
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| 319 | case raiseFloor: |
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| 320 | floor->direction = 1; |
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| 321 | floor->sector = sec; |
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| 322 | floor->speed = FLOORSPEED; |
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| 323 | floor->floordestheight = |
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| 324 | P_FindLowestCeilingSurrounding(sec); |
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| 325 | if (floor->floordestheight > sec->ceilingheight) |
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| 326 | floor->floordestheight = sec->ceilingheight; |
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| 327 | floor->floordestheight -= (8*FRACUNIT)* |
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| 328 | (floortype == raiseFloorCrush); |
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| 329 | break; |
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| 330 | |||
| 331 | case raiseFloorTurbo: |
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| 332 | floor->direction = 1; |
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| 333 | floor->sector = sec; |
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| 334 | floor->speed = FLOORSPEED*4; |
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| 335 | floor->floordestheight = |
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| 336 | P_FindNextHighestFloor(sec,sec->floorheight); |
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| 337 | break; |
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| 338 | |||
| 339 | case raiseFloorToNearest: |
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| 340 | floor->direction = 1; |
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| 341 | floor->sector = sec; |
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| 342 | floor->speed = FLOORSPEED; |
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| 343 | floor->floordestheight = |
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| 344 | P_FindNextHighestFloor(sec,sec->floorheight); |
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| 345 | break; |
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| 346 | |||
| 347 | case raiseFloor24: |
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| 348 | floor->direction = 1; |
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| 349 | floor->sector = sec; |
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| 350 | floor->speed = FLOORSPEED; |
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| 351 | floor->floordestheight = floor->sector->floorheight + |
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| 352 | 24 * FRACUNIT; |
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| 353 | break; |
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| 354 | case raiseFloor512: |
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| 355 | floor->direction = 1; |
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| 356 | floor->sector = sec; |
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| 357 | floor->speed = FLOORSPEED; |
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| 358 | floor->floordestheight = floor->sector->floorheight + |
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| 359 | 512 * FRACUNIT; |
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| 360 | break; |
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| 361 | |||
| 362 | case raiseFloor24AndChange: |
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| 363 | floor->direction = 1; |
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| 364 | floor->sector = sec; |
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| 365 | floor->speed = FLOORSPEED; |
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| 366 | floor->floordestheight = floor->sector->floorheight + |
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| 367 | 24 * FRACUNIT; |
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| 368 | sec->floorpic = line->frontsector->floorpic; |
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| 369 | sec->special = line->frontsector->special; |
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| 370 | break; |
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| 371 | |||
| 372 | case raiseToTexture: |
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| 373 | { |
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| 374 | int minsize = MAXINT; |
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| 375 | side_t* side; |
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| 376 | |||
| 377 | floor->direction = 1; |
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| 378 | floor->sector = sec; |
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| 379 | floor->speed = FLOORSPEED; |
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| 380 | for (i = 0; i < sec->linecount; i++) |
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| 381 | { |
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| 382 | if (twoSided (secnum, i) ) |
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| 383 | { |
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| 384 | side = getSide(secnum,i,0); |
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| 385 | if (side->bottomtexture >= 0) |
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| 386 | if (textureheight[side->bottomtexture] < |
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| 387 | minsize) |
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| 388 | minsize = |
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| 389 | textureheight[side->bottomtexture]; |
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| 390 | side = getSide(secnum,i,1); |
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| 391 | if (side->bottomtexture >= 0) |
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| 392 | if (textureheight[side->bottomtexture] < |
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| 393 | minsize) |
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| 394 | minsize = |
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| 395 | textureheight[side->bottomtexture]; |
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| 396 | } |
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| 397 | } |
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| 398 | floor->floordestheight = |
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| 399 | floor->sector->floorheight + minsize; |
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| 400 | } |
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| 401 | break; |
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| 402 | |||
| 403 | case lowerAndChange: |
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| 404 | floor->direction = -1; |
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| 405 | floor->sector = sec; |
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| 406 | floor->speed = FLOORSPEED; |
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| 407 | floor->floordestheight = |
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| 408 | P_FindLowestFloorSurrounding(sec); |
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| 409 | floor->texture = sec->floorpic; |
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| 410 | |||
| 411 | for (i = 0; i < sec->linecount; i++) |
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| 412 | { |
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| 413 | if ( twoSided(secnum, i) ) |
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| 414 | { |
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| 415 | if (getSide(secnum,i,0)->sector-sectors == secnum) |
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| 416 | { |
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| 417 | sec = getSector(secnum,i,1); |
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| 418 | |||
| 419 | if (sec->floorheight == floor->floordestheight) |
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| 420 | { |
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| 421 | floor->texture = sec->floorpic; |
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| 422 | floor->newspecial = sec->special; |
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| 423 | break; |
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| 424 | } |
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| 425 | } |
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| 426 | else |
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| 427 | { |
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| 428 | sec = getSector(secnum,i,0); |
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| 429 | |||
| 430 | if (sec->floorheight == floor->floordestheight) |
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| 431 | { |
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| 432 | floor->texture = sec->floorpic; |
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| 433 | floor->newspecial = sec->special; |
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| 434 | break; |
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| 435 | } |
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| 436 | } |
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| 437 | } |
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| 438 | } |
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| 439 | default: |
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| 440 | break; |
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| 441 | } |
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| 442 | } |
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| 443 | return rtn; |
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| 444 | } |
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| 445 | |||
| 446 | |||
| 447 | |||
| 448 | |||
| 449 | // |
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| 450 | // BUILD A STAIRCASE! |
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| 451 | // |
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| 452 | int |
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| 453 | EV_BuildStairs |
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| 454 | ( line_t* line, |
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| 455 | stair_e type ) |
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| 456 | { |
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| 457 | int secnum; |
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| 458 | int height; |
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| 459 | int i; |
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| 460 | int newsecnum; |
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| 461 | int texture; |
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| 462 | int ok; |
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| 463 | int rtn; |
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| 464 | |||
| 465 | sector_t* sec; |
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| 466 | sector_t* tsec; |
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| 467 | |||
| 468 | floormove_t* floor; |
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| 469 | |||
| 470 | fixed_t stairsize; |
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| 471 | fixed_t speed; |
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| 472 | |||
| 473 | secnum = -1; |
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| 474 | rtn = 0; |
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| 475 | while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0) |
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| 476 | { |
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| 477 | sec = §ors[secnum]; |
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| 478 | |||
| 479 | // ALREADY MOVING? IF SO, KEEP GOING... |
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| 480 | if (sec->specialdata) |
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| 481 | continue; |
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| 482 | |||
| 483 | // new floor thinker |
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| 484 | rtn = 1; |
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| 485 | floor = Z_Malloc (sizeof(*floor), PU_LEVSPEC, 0); |
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| 486 | P_AddThinker (&floor->thinker); |
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| 487 | sec->specialdata = floor; |
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| 488 | floor->thinker.function.acp1 = (actionf_p1) T_MoveFloor; |
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| 489 | floor->direction = 1; |
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| 490 | floor->sector = sec; |
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| 491 | switch(type) |
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| 492 | { |
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| 493 | case build8: |
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| 494 | speed = FLOORSPEED/4; |
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| 495 | stairsize = 8*FRACUNIT; |
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| 496 | break; |
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| 497 | case turbo16: |
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| 498 | speed = FLOORSPEED*4; |
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| 499 | stairsize = 16*FRACUNIT; |
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| 500 | break; |
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| 501 | } |
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| 502 | floor->speed = speed; |
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| 503 | height = sec->floorheight + stairsize; |
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| 504 | floor->floordestheight = height; |
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| 505 | |||
| 506 | texture = sec->floorpic; |
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| 507 | |||
| 508 | // Find next sector to raise |
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| 509 | // 1. Find 2-sided line with same sector side[0] |
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| 510 | // 2. Other side is the next sector to raise |
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| 511 | do |
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| 512 | { |
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| 513 | ok = 0; |
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| 514 | for (i = 0;i < sec->linecount;i++) |
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| 515 | { |
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| 516 | if ( !((sec->lines[i])->flags & ML_TWOSIDED) ) |
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| 517 | continue; |
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| 518 | |||
| 519 | tsec = (sec->lines[i])->frontsector; |
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| 520 | newsecnum = tsec-sectors; |
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| 521 | |||
| 522 | if (secnum != newsecnum) |
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| 523 | continue; |
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| 524 | |||
| 525 | tsec = (sec->lines[i])->backsector; |
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| 526 | newsecnum = tsec - sectors; |
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| 527 | |||
| 528 | if (tsec->floorpic != texture) |
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| 529 | continue; |
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| 530 | |||
| 531 | height += stairsize; |
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| 532 | |||
| 533 | if (tsec->specialdata) |
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| 534 | continue; |
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| 535 | |||
| 536 | sec = tsec; |
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| 537 | secnum = newsecnum; |
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| 538 | floor = Z_Malloc (sizeof(*floor), PU_LEVSPEC, 0); |
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| 539 | |||
| 540 | P_AddThinker (&floor->thinker); |
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| 541 | |||
| 542 | sec->specialdata = floor; |
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| 543 | floor->thinker.function.acp1 = (actionf_p1) T_MoveFloor; |
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| 544 | floor->direction = 1; |
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| 545 | floor->sector = sec; |
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| 546 | floor->speed = speed; |
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| 547 | floor->floordestheight = height; |
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| 548 | ok = 1; |
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| 549 | break; |
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| 550 | } |
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| 551 | } while(ok); |
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| 552 | } |
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| 553 | return rtn; |
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| 554 | } |
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| 555 |