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raze/source/blood/src/aipod.cpp
nukeykt 9cc4d9f432 Blood: workaround dudeInfo OOB issue 
# Conflicts:
#	source/blood/src/actor.cpp
#	source/blood/src/demo.cpp
#	source/blood/src/dude.cpp
#	source/blood/src/dude.h
2020-02-06 18:47:26 +01:00

293 lines
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//-------------------------------------------------------------------------
/*
Copyright (C) 2010-2019 EDuke32 developers and contributors
Copyright (C) 2019 Nuke.YKT
This file is part of NBlood.
NBlood is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
//-------------------------------------------------------------------------
#include "ns.h" // Must come before everything else!
#include "compat.h"
#include "build.h"
#include "pragmas.h"
#include "mmulti.h"
#include "common_game.h"
#include "actor.h"
#include "ai.h"
#include "aipod.h"
#include "blood.h"
#include "db.h"
#include "dude.h"
#include "eventq.h"
#include "levels.h"
#include "player.h"
#include "seq.h"
#include "sfx.h"
#include "trig.h"
BEGIN_BLD_NS
static void sub_6FF08(int, int);
static void sub_6FF54(int, int);
static void sub_6FFA0(int, int);
static void sub_70284(int, int);
static void sub_7034C(spritetype *, XSPRITE *);
static void sub_70380(spritetype *, XSPRITE *);
static void sub_704D8(spritetype *, XSPRITE *);
static int dword_279B34 = seqRegisterClient(sub_6FFA0);
static int dword_279B38 = seqRegisterClient(sub_70284);
static int dword_279B3C = seqRegisterClient(sub_6FF08);
static int dword_279B40 = seqRegisterClient(sub_6FF54);
AISTATE podIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL };
AISTATE pod13A600 = { kAiStateMove, 7, -1, 3600, NULL, aiMoveTurn, sub_70380, &podSearch };
AISTATE podSearch = { kAiStateSearch, 0, -1, 3600, NULL, aiMoveTurn, sub_7034C, &podSearch };
AISTATE pod13A638 = { kAiStateChase, 8, dword_279B34, 600, NULL, NULL, NULL, &podChase };
AISTATE podRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &podChase };
AISTATE podChase = { kAiStateChase, 6, -1, 0, NULL, aiMoveTurn, sub_704D8, NULL };
AISTATE tentacleIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL };
AISTATE tentacle13A6A8 = { kAiStateOther, 7, dword_279B3C, 0, NULL, NULL, NULL, &tentacle13A6C4 };
AISTATE tentacle13A6C4 = { kAiStateOther, -1, -1, 0, NULL, NULL, NULL, &tentacleChase };
AISTATE tentacle13A6E0 = { kAiStateOther, 8, dword_279B40, 0, NULL, NULL, NULL, &tentacle13A6FC };
AISTATE tentacle13A6FC = { kAiStateOther, -1, -1, 0, NULL, NULL, NULL, &tentacleIdle };
AISTATE tentacle13A718 = { kAiStateOther, 8, -1, 3600, NULL, aiMoveTurn, sub_70380, &tentacleSearch };
AISTATE tentacleSearch = { kAiStateOther, 0, -1, 3600, NULL, aiMoveTurn, sub_7034C, NULL };
AISTATE tentacle13A750 = { kAiStateOther, 6, dword_279B38, 120, NULL, NULL, NULL, &tentacleChase };
AISTATE tentacleRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &tentacleChase };
AISTATE tentacleChase = { kAiStateChase, 6, -1, 0, NULL, aiMoveTurn, sub_704D8, NULL };
static void sub_6FF08(int, int nXSprite)
{
XSPRITE *pXSprite = &xsprite[nXSprite];
int nSprite = pXSprite->reference;
sfxPlay3DSound(&sprite[nSprite], 2503, -1, 0);
}
static void sub_6FF54(int, int nXSprite)
{
XSPRITE *pXSprite = &xsprite[nXSprite];
int nSprite = pXSprite->reference;
sfxPlay3DSound(&sprite[nSprite], 2500, -1, 0);
}
static void sub_6FFA0(int, int nXSprite)
{
XSPRITE *pXSprite = &xsprite[nXSprite];
int nSprite = pXSprite->reference;
spritetype *pSprite = &sprite[nSprite];
///dassert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites);
if (!(pXSprite->target >= 0 && pXSprite->target < kMaxSprites)) {
consoleSysMsg("pXSprite->target >= 0 && pXSprite->target < kMaxSprites");
return;
}
spritetype *pTarget = &sprite[pXSprite->target];
///dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
if (!(pSprite->type >= kDudeBase && pSprite->type < kDudeMax)) {
consoleSysMsg("pSprite->type >= kDudeBase && pSprite->type < kDudeMax");
return;
}
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
int x = pTarget->x-pSprite->x;
int y = pTarget->y-pSprite->y;
int dz = pTarget->z-pSprite->z;
x += Random2(1000);
y += Random2(1000);
int nDist = approxDist(x, y);
int nDist2 = nDist / 540;
spritetype *pMissile = NULL;
switch (pSprite->type)
{
case kDudePodGreen:
dz += 8000;
if (pDudeInfo->seeDist*0.1 < nDist)
{
if (Chance(0x8000))
sfxPlay3DSound(pSprite, 2474, -1, 0);
else
sfxPlay3DSound(pSprite, 2475, -1, 0);
pMissile = actFireThing(pSprite, 0, -8000, dz/128-14500, kThingPodGreenBall, (nDist2<<23)/120);
}
if (pMissile)
seqSpawn(68, 3, pMissile->extra, -1);
break;
case kDudePodFire:
dz += 8000;
if (pDudeInfo->seeDist*0.1 < nDist)
{
sfxPlay3DSound(pSprite, 2454, -1, 0);
pMissile = actFireThing(pSprite, 0, -8000, dz/128-14500, kThingPodFireBall, (nDist2<<23)/120);
}
if (pMissile)
seqSpawn(22, 3, pMissile->extra, -1);
break;
}
for (int i = 0; i < 4; i++)
sub_746D4(pSprite, 240);
}
static void sub_70284(int, int nXSprite)
{
XSPRITE *pXSprite = &xsprite[nXSprite];
int nSprite = pXSprite->reference;
spritetype *pSprite = &sprite[nSprite];
sfxPlay3DSound(pSprite, 2502, -1, 0);
int nDist, nBurn;
DAMAGE_TYPE dmgType;
switch (pSprite->type) {
case kDudeTentacleGreen:
default: // ???
nBurn = 0;
dmgType = DAMAGE_TYPE_2;
nDist = 50;
break;
case kDudeTentacleFire: // ???
nBurn = (gGameOptions.nDifficulty*120)>>2;
dmgType = DAMAGE_TYPE_3;
nDist = 75;
break;
}
sub_2A620(nSprite, pSprite->x, pSprite->y, pSprite->z, pSprite->sectnum, nDist, 1, 5*(1+gGameOptions.nDifficulty), dmgType, 2, nBurn, 0, 0);
}
static void sub_7034C(spritetype *pSprite, XSPRITE *pXSprite)
{
aiChooseDirection(pSprite, pXSprite, pXSprite->goalAng);
aiThinkTarget(pSprite, pXSprite);
}
static void sub_70380(spritetype *pSprite, XSPRITE *pXSprite)
{
///dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
if (!(pSprite->type >= kDudeBase && pSprite->type < kDudeMax)) {
consoleSysMsg("pSprite->type >= kDudeBase && pSprite->type < kDudeMax");
return;
}
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
int dx = pXSprite->targetX-pSprite->x;
int dy = pXSprite->targetY-pSprite->y;
int nAngle = getangle(dx, dy);
int nDist = approxDist(dx, dy);
aiChooseDirection(pSprite, pXSprite, nAngle);
if (nDist < 512 && klabs(pSprite->ang - nAngle) < pDudeInfo->periphery) {
switch (pSprite->type) {
case kDudePodGreen:
case kDudePodFire:
aiNewState(pSprite, pXSprite, &podSearch);
break;
case kDudeTentacleGreen:
case kDudeTentacleFire:
aiNewState(pSprite, pXSprite, &tentacleSearch);
break;
}
}
aiThinkTarget(pSprite, pXSprite);
}
static void sub_704D8(spritetype *pSprite, XSPRITE *pXSprite)
{
if (pXSprite->target == -1) {
switch (pSprite->type) {
case kDudePodGreen:
case kDudePodFire:
aiNewState(pSprite, pXSprite, &pod13A600);
break;
case kDudeTentacleGreen:
case kDudeTentacleFire:
aiNewState(pSprite, pXSprite, &tentacle13A718);
break;
}
return;
}
///dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
if (!(pSprite->type >= kDudeBase && pSprite->type < kDudeMax)) {
consoleSysMsg("pSprite->type >= kDudeBase && pSprite->type < kDudeMax");
return;
}
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
///dassert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites);
if (!(pXSprite->target >= 0 && pXSprite->target < kMaxSprites)) {
consoleSysMsg("pXSprite->target >= 0 && pXSprite->target < kMaxSprites");
return;
}
spritetype *pTarget = &sprite[pXSprite->target];
XSPRITE *pXTarget = &xsprite[pTarget->extra];
int dx = pTarget->x-pSprite->x;
int dy = pTarget->y-pSprite->y;
aiChooseDirection(pSprite, pXSprite, getangle(dx, dy));
if (pXTarget->health == 0) {
switch (pSprite->type) {
case kDudePodGreen:
case kDudePodFire:
aiNewState(pSprite, pXSprite, &podSearch);
break;
case kDudeTentacleGreen:
case kDudeTentacleFire:
aiNewState(pSprite, pXSprite, &tentacleSearch);
break;
}
return;
}
int nDist = approxDist(dx, dy);
if (nDist <= pDudeInfo->seeDist)
{
int nDeltaAngle = ((getangle(dx,dy)+1024-pSprite->ang)&2047)-1024;
int height = (pDudeInfo->eyeHeight*pSprite->yrepeat)<<2;
if (cansee(pTarget->x, pTarget->y, pTarget->z, pTarget->sectnum, pSprite->x, pSprite->y, pSprite->z - height, pSprite->sectnum))
{
if (nDist < pDudeInfo->seeDist && klabs(nDeltaAngle) <= pDudeInfo->periphery)
{
aiSetTarget(pXSprite, pXSprite->target);
if (klabs(nDeltaAngle) < 85 && pTarget->type != kDudePodGreen && pTarget->type != kDudePodFire) {
switch (pSprite->type) {
case kDudePodGreen:
case kDudePodFire:
aiNewState(pSprite, pXSprite, &pod13A638);
break;
case kDudeTentacleGreen:
case kDudeTentacleFire:
aiNewState(pSprite, pXSprite, &tentacle13A750);
break;
}
}
return;
}
}
}
switch (pSprite->type) {
case kDudePodGreen:
case kDudePodFire:
aiNewState(pSprite, pXSprite, &pod13A600);
break;
case kDudeTentacleGreen:
case kDudeTentacleFire:
aiNewState(pSprite, pXSprite, &tentacle13A718);
break;
}
pXSprite->target = -1;
}
END_BLD_NS
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