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
sub_6FF08(int,int nXSprite)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
sub_6FF54(int,int nXSprite)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
sub_6FFA0(int,int nXSprite)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 sub_746D4(pSprite, 240);
142 }
143
sub_70284(int,int nXSprite)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 sub_2A620(nSprite, pSprite->x, pSprite->y, pSprite->z, pSprite->sectnum, nDist, 1, 5*(1+gGameOptions.nDifficulty), dmgType, 2, nBurn, 0, 0);
166 }
167
sub_7034C(spritetype * pSprite,XSPRITE * pXSprite)168 static void sub_7034C(spritetype *pSprite, XSPRITE *pXSprite)
169 {
170 aiChooseDirection(pSprite, pXSprite, pXSprite->goalAng);
171 aiThinkTarget(pSprite, pXSprite);
172 }
173
sub_70380(spritetype * pSprite,XSPRITE * pXSprite)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
sub_704D8(spritetype * pSprite,XSPRITE * pXSprite)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 }
287