aipod.cpp
1 //------------------------------------------------------------------------- 2 /* 3 Copyright (C) 2010-2019 EDuke32 developers and contributors 4 Copyright (C) 2019 Nuke.YKT 5 6 This file is part of NBlood. 7 8 NBlood is free software; you can redistribute it and/or 9 modify it under the terms of the GNU General Public License version 2 10 as published by the Free Software Foundation. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 15 16 See the GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 21 */ 22 //------------------------------------------------------------------------- 23 #include "compat.h" 24 #include "build.h" 25 #include "pragmas.h" 26 #include "mmulti.h" 27 #include "common_game.h" 28 29 30 #include "actor.h" 31 #include "ai.h" 32 #include "aipod.h" 33 #include "blood.h" 34 #include "db.h" 35 #include "dude.h" 36 #include "eventq.h" 37 #include "levels.h" 38 #include "player.h" 39 #include "seq.h" 40 #include "sfx.h" 41 #include "trig.h" 42 43 static void sub_6FF08(int, int); 44 static void sub_6FF54(int, int); 45 static void sub_6FFA0(int, int); 46 static void sub_70284(int, int); 47 static void sub_7034C(spritetype *, XSPRITE *); 48 static void sub_70380(spritetype *, XSPRITE *); 49 static void sub_704D8(spritetype *, XSPRITE *); 50 51 static int dword_279B34 = seqRegisterClient(sub_6FFA0); 52 static int dword_279B38 = seqRegisterClient(sub_70284); 53 static int dword_279B3C = seqRegisterClient(sub_6FF08); 54 static int dword_279B40 = seqRegisterClient(sub_6FF54); 55 56 AISTATE podIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL }; 57 AISTATE pod13A600 = { kAiStateMove, 7, -1, 3600, NULL, aiMoveTurn, sub_70380, &podSearch }; 58 AISTATE podSearch = { kAiStateSearch, 0, -1, 3600, NULL, aiMoveTurn, sub_7034C, &podSearch }; 59 AISTATE pod13A638 = { kAiStateChase, 8, dword_279B34, 600, NULL, NULL, NULL, &podChase }; 60 AISTATE podRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &podChase }; 61 AISTATE podChase = { kAiStateChase, 6, -1, 0, NULL, aiMoveTurn, sub_704D8, NULL }; 62 AISTATE tentacleIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL }; 63 AISTATE tentacle13A6A8 = { kAiStateOther, 7, dword_279B3C, 0, NULL, NULL, NULL, &tentacle13A6C4 }; 64 AISTATE tentacle13A6C4 = { kAiStateOther, -1, -1, 0, NULL, NULL, NULL, &tentacleChase }; 65 AISTATE tentacle13A6E0 = { kAiStateOther, 8, dword_279B40, 0, NULL, NULL, NULL, &tentacle13A6FC }; 66 AISTATE tentacle13A6FC = { kAiStateOther, -1, -1, 0, NULL, NULL, NULL, &tentacleIdle }; 67 AISTATE tentacle13A718 = { kAiStateOther, 8, -1, 3600, NULL, aiMoveTurn, sub_70380, &tentacleSearch }; 68 AISTATE tentacleSearch = { kAiStateOther, 0, -1, 3600, NULL, aiMoveTurn, sub_7034C, NULL }; 69 AISTATE tentacle13A750 = { kAiStateOther, 6, dword_279B38, 120, NULL, NULL, NULL, &tentacleChase }; 70 AISTATE tentacleRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &tentacleChase }; 71 AISTATE tentacleChase = { kAiStateChase, 6, -1, 0, NULL, aiMoveTurn, sub_704D8, NULL }; 72 73 static void sub_6FF08(int, int nXSprite) 74 { 75 XSPRITE *pXSprite = &xsprite[nXSprite]; 76 int nSprite = pXSprite->reference; 77 sfxPlay3DSound(&sprite[nSprite], 2503, -1, 0); 78 } 79 80 static void sub_6FF54(int, int nXSprite) 81 { 82 XSPRITE *pXSprite = &xsprite[nXSprite]; 83 int nSprite = pXSprite->reference; 84 sfxPlay3DSound(&sprite[nSprite], 2500, -1, 0); 85 } 86 87 static void sub_6FFA0(int, int nXSprite) 88 { 89 XSPRITE *pXSprite = &xsprite[nXSprite]; 90 int nSprite = pXSprite->reference; 91 spritetype *pSprite = &sprite[nSprite]; 92 ///dassert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites); 93 if (!(pXSprite->target >= 0 && pXSprite->target < kMaxSprites)) { 94 consoleSysMsg("pXSprite->target >= 0 && pXSprite->target < kMaxSprites"); 95 return; 96 } 97 98 spritetype *pTarget = &sprite[pXSprite->target]; 99 100 ///dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax); 101 if (!(pSprite->type >= kDudeBase && pSprite->type < kDudeMax)) { 102 consoleSysMsg("pSprite->type >= kDudeBase && pSprite->type < kDudeMax"); 103 return; 104 } 105 DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type); 106 int x = pTarget->x-pSprite->x; 107 int y = pTarget->y-pSprite->y; 108 int dz = pTarget->z-pSprite->z; 109 x += Random2(1000); 110 y += Random2(1000); 111 int nDist = approxDist(x, y); 112 int nDist2 = nDist / 540; 113 spritetype *pMissile = NULL; 114 switch (pSprite->type) 115 { 116 case kDudePodGreen: 117 dz += 8000; 118 if (pDudeInfo->seeDist*0.1 < nDist) 119 { 120 if (Chance(0x8000)) 121 sfxPlay3DSound(pSprite, 2474, -1, 0); 122 else 123 sfxPlay3DSound(pSprite, 2475, -1, 0); 124 pMissile = actFireThing(pSprite, 0, -8000, dz/128-14500, kThingPodGreenBall, (nDist2<<23)/120); 125 } 126 if (pMissile) 127 seqSpawn(68, 3, pMissile->extra, -1); 128 break; 129 case kDudePodFire: 130 dz += 8000; 131 if (pDudeInfo->seeDist*0.1 < nDist) 132 { 133 sfxPlay3DSound(pSprite, 2454, -1, 0); 134 pMissile = actFireThing(pSprite, 0, -8000, dz/128-14500, kThingPodFireBall, (nDist2<<23)/120); 135 } 136 if (pMissile) 137 seqSpawn(22, 3, pMissile->extra, -1); 138 break; 139 } 140 for (int i = 0; i < 4; i++) 141 fxSpawnPodBlood(pSprite, 240); 142 } 143 144 static void sub_70284(int, int nXSprite) 145 { 146 XSPRITE *pXSprite = &xsprite[nXSprite]; 147 int nSprite = pXSprite->reference; 148 spritetype *pSprite = &sprite[nSprite]; 149 sfxPlay3DSound(pSprite, 2502, -1, 0); 150 int nDist, nBurn; 151 DAMAGE_TYPE dmgType; 152 switch (pSprite->type) { 153 case kDudeTentacleGreen: 154 default: // ??? 155 nBurn = 0; 156 dmgType = kDamageBullet; 157 nDist = 50; 158 break; 159 case kDudeTentacleFire: // ??? 160 nBurn = (gGameOptions.nDifficulty*120)>>2; 161 dmgType = kDamageExplode; 162 nDist = 75; 163 break; 164 } 165 actRadiusDamage(nSprite, pSprite->x, pSprite->y, pSprite->z, pSprite->sectnum, nDist, 1, 5*(1+gGameOptions.nDifficulty), dmgType, 2, nBurn); 166 } 167 168 static void sub_7034C(spritetype *pSprite, XSPRITE *pXSprite) 169 { 170 aiChooseDirection(pSprite, pXSprite, pXSprite->goalAng); 171 aiThinkTarget(pSprite, pXSprite); 172 } 173 174 static void sub_70380(spritetype *pSprite, XSPRITE *pXSprite) 175 { 176 ///dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax); 177 if (!(pSprite->type >= kDudeBase && pSprite->type < kDudeMax)) { 178 consoleSysMsg("pSprite->type >= kDudeBase && pSprite->type < kDudeMax"); 179 return; 180 } 181 182 DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type); 183 int dx = pXSprite->targetX-pSprite->x; 184 int dy = pXSprite->targetY-pSprite->y; 185 int nAngle = getangle(dx, dy); 186 int nDist = approxDist(dx, dy); 187 aiChooseDirection(pSprite, pXSprite, nAngle); 188 if (nDist < 512 && klabs(pSprite->ang - nAngle) < pDudeInfo->periphery) { 189 switch (pSprite->type) { 190 case kDudePodGreen: 191 case kDudePodFire: 192 aiNewState(pSprite, pXSprite, &podSearch); 193 break; 194 case kDudeTentacleGreen: 195 case kDudeTentacleFire: 196 aiNewState(pSprite, pXSprite, &tentacleSearch); 197 break; 198 } 199 } 200 aiThinkTarget(pSprite, pXSprite); 201 } 202 203 static void sub_704D8(spritetype *pSprite, XSPRITE *pXSprite) 204 { 205 if (pXSprite->target == -1) { 206 switch (pSprite->type) { 207 case kDudePodGreen: 208 case kDudePodFire: 209 aiNewState(pSprite, pXSprite, &pod13A600); 210 break; 211 case kDudeTentacleGreen: 212 case kDudeTentacleFire: 213 aiNewState(pSprite, pXSprite, &tentacle13A718); 214 break; 215 } 216 return; 217 } 218 ///dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax); 219 if (!(pSprite->type >= kDudeBase && pSprite->type < kDudeMax)) { 220 consoleSysMsg("pSprite->type >= kDudeBase && pSprite->type < kDudeMax"); 221 return; 222 } 223 DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type); 224 ///dassert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites); 225 if (!(pXSprite->target >= 0 && pXSprite->target < kMaxSprites)) { 226 consoleSysMsg("pXSprite->target >= 0 && pXSprite->target < kMaxSprites"); 227 return; 228 } 229 spritetype *pTarget = &sprite[pXSprite->target]; 230 XSPRITE *pXTarget = &xsprite[pTarget->extra]; 231 int dx = pTarget->x-pSprite->x; 232 int dy = pTarget->y-pSprite->y; 233 aiChooseDirection(pSprite, pXSprite, getangle(dx, dy)); 234 if (pXTarget->health == 0) { 235 236 switch (pSprite->type) { 237 case kDudePodGreen: 238 case kDudePodFire: 239 aiNewState(pSprite, pXSprite, &podSearch); 240 break; 241 case kDudeTentacleGreen: 242 case kDudeTentacleFire: 243 aiNewState(pSprite, pXSprite, &tentacleSearch); 244 break; 245 } 246 return; 247 } 248 int nDist = approxDist(dx, dy); 249 if (nDist <= pDudeInfo->seeDist) 250 { 251 int nDeltaAngle = ((getangle(dx,dy)+1024-pSprite->ang)&2047)-1024; 252 int height = (pDudeInfo->eyeHeight*pSprite->yrepeat)<<2; 253 if (cansee(pTarget->x, pTarget->y, pTarget->z, pTarget->sectnum, pSprite->x, pSprite->y, pSprite->z - height, pSprite->sectnum)) 254 { 255 if (nDist < pDudeInfo->seeDist && klabs(nDeltaAngle) <= pDudeInfo->periphery) 256 { 257 aiSetTarget(pXSprite, pXSprite->target); 258 if (klabs(nDeltaAngle) < 85 && pTarget->type != kDudePodGreen && pTarget->type != kDudePodFire) { 259 switch (pSprite->type) { 260 case kDudePodGreen: 261 case kDudePodFire: 262 aiNewState(pSprite, pXSprite, &pod13A638); 263 break; 264 case kDudeTentacleGreen: 265 case kDudeTentacleFire: 266 aiNewState(pSprite, pXSprite, &tentacle13A750); 267 break; 268 } 269 } 270 return; 271 } 272 } 273 } 274 275 switch (pSprite->type) { 276 case kDudePodGreen: 277 case kDudePodFire: 278 aiNewState(pSprite, pXSprite, &pod13A600); 279 break; 280 case kDudeTentacleGreen: 281 case kDudeTentacleFire: 282 aiNewState(pSprite, pXSprite, &tentacle13A718); 283 break; 284 } 285 pXSprite->target = -1; 286 }