raze/source/games/blood/src/aicaleb.cpp

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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!
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#include "build.h"
#include "blood.h"
BEGIN_BLD_NS
static void calebThinkSearch(DBloodActor*);
static void calebThinkGoto(DBloodActor*);
static void calebThinkChase(DBloodActor*);
static void calebThinkSwimGoto(DBloodActor*);
static void calebThinkSwimChase(DBloodActor*);
static void sub_65D04(DBloodActor*);
static void sub_65F44(DBloodActor*);
static void sub_661E0(DBloodActor*);
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AISTATE tinycalebIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL };
AISTATE tinycalebChase = { kAiStateChase, 6, -1, 0, NULL, aiMoveForward, calebThinkChase, NULL };
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AISTATE tinycalebDodge = { kAiStateMove, 6, -1, 90, NULL, aiMoveDodge, NULL, &tinycalebChase };
AISTATE tinycalebGoto = { kAiStateMove, 6, -1, 600, NULL, aiMoveForward, calebThinkGoto, &tinycalebIdle };
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AISTATE tinycalebAttack = { kAiStateChase, 0, nAttackClient, 120, NULL, NULL, NULL, &tinycalebChase };
AISTATE tinycalebSearch = { kAiStateSearch, 6, -1, 120, NULL, aiMoveForward, calebThinkSearch, &tinycalebIdle };
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AISTATE tinycalebRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &tinycalebDodge };
AISTATE tinycalebTeslaRecoil = { kAiStateRecoil, 4, -1, 0, NULL, NULL, NULL, &tinycalebDodge };
AISTATE tinycalebSwimIdle = { kAiStateIdle, 10, -1, 0, NULL, NULL, aiThinkTarget, NULL };
AISTATE tinycalebSwimChase = { kAiStateChase, 8, -1, 0, NULL, sub_65D04, calebThinkSwimChase, NULL };
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AISTATE tinycalebSwimDodge = { kAiStateMove, 8, -1, 90, NULL, aiMoveDodge, NULL, &tinycalebSwimChase };
AISTATE tinycalebSwimGoto = { kAiStateMove, 8, -1, 600, NULL, aiMoveForward, calebThinkSwimGoto, &tinycalebSwimIdle };
AISTATE tinycalebSwimSearch = { kAiStateSearch, 8, -1, 120, NULL, aiMoveForward, calebThinkSearch, &tinycalebSwimIdle };
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AISTATE tinycalebSwimAttack = { kAiStateChase, 10, nAttackClient, 0, NULL, NULL, NULL, &tinycalebSwimChase };
AISTATE tinycalebSwimRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &tinycalebSwimDodge };
AISTATE tinycaleb139660 = { kAiStateOther, 8, -1, 120, NULL, sub_65F44, calebThinkSwimChase, &tinycalebSwimChase };
AISTATE tinycaleb13967C = { kAiStateOther, 8, -1, 0, NULL, sub_661E0, calebThinkSwimChase, &tinycalebSwimChase };
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AISTATE tinycaleb139698 = { kAiStateOther, 8, -1, 120, NULL, aiMoveTurn, NULL, &tinycalebSwimChase };
void SeqAttackCallback(int, DBloodActor* actor)
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{
spritetype* pSprite = &actor->s();
int dx = bcos(pSprite->ang);
int dy = bsin(pSprite->ang);
int dz = actor->dudeSlope;
dx += Random2(1500);
dy += Random2(1500);
dz += Random2(1500);
for (int i = 0; i < 2; i++)
{
int r1 = Random3(500);
int r2 = Random3(1000);
int r3 = Random3(1000);
actFireVector(actor, 0, 0, dx + r3, dy + r2, dz + r1, kVectorShell);
}
if (Chance(0x8000))
sfxPlay3DSound(actor, 10000 + Random(5), -1, 0);
if (Chance(0x8000))
sfxPlay3DSound(actor, 1001, -1, 0);
else
sfxPlay3DSound(actor, 1002, -1, 0);
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}
static void calebThinkSearch(DBloodActor* actor)
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{
auto pXSprite = &actor->x();
aiChooseDirection(actor, pXSprite->goalAng);
aiThinkTarget(actor);
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}
static void calebThinkGoto(DBloodActor* actor)
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{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(pSprite->type);
auto pSector = pSprite->sector();
auto pXSector = pSector->hasX() ? &pSector->xs() : nullptr;
int dx = pXSprite->targetX - pSprite->pos.X;
int dy = pXSprite->targetY - pSprite->pos.Y;
int nAngle = getangle(dx, dy);
int nDist = approxDist(dx, dy);
aiChooseDirection(actor, nAngle);
if (nDist < 512 && abs(pSprite->ang - nAngle) < pDudeInfo->periphery)
{
if (pXSector && pXSector->Underwater)
aiNewState(actor, &tinycalebSwimSearch);
else
aiNewState(actor, &tinycalebSearch);
}
aiThinkTarget(actor);
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}
static void calebThinkChase(DBloodActor* actor)
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{
auto const pSprite = &actor->s();
auto pSector = pSprite->sector();
auto pXSector = pSector->hasX() ? &pSector->xs() : nullptr;
if (actor->GetTarget() == nullptr)
{
if (pXSector && pXSector->Underwater)
aiNewState(actor, &tinycalebSwimSearch);
else
aiNewState(actor, &tinycalebSearch);
return;
}
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(pSprite->type);
spritetype* pTarget = &actor->GetTarget()->s();
XSPRITE* pXTarget = &actor->GetTarget()->x();
int dx = pTarget->pos.X - pSprite->pos.X;
int dy = pTarget->pos.Y - pSprite->pos.Y;
aiChooseDirection(actor, getangle(dx, dy));
if (pXTarget->health == 0)
{
if (pXSector && pXSector->Underwater)
aiNewState(actor, &tinycalebSwimSearch);
else
{
aiPlay3DSound(actor, 11000 + Random(4), AI_SFX_PRIORITY_1, -1);
aiNewState(actor, &tinycalebSearch);
}
return;
}
if (IsPlayerSprite(pTarget) && powerupCheck(&gPlayer[pTarget->type - kDudePlayer1], kPwUpShadowCloak) > 0)
{
if (pXSector && pXSector->Underwater)
aiNewState(actor, &tinycalebSwimSearch);
else
aiNewState(actor, &tinycalebSearch);
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->pos.X, pTarget->pos.Y, pTarget->z, pTarget->sector(), pSprite->pos.X, pSprite->pos.Y, pSprite->z - height, pSprite->sector()))
{
if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery)
{
aiSetTarget(actor, actor->GetTarget());
actor->dudeSlope = nDist == 0 ? 0 : DivScale(pTarget->z-pSprite->z, nDist, 10);
if (nDist < 0x599 && abs(nDeltaAngle) < 28)
{
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int hit = HitScan(actor, pSprite->z, dx, dy, 0, CLIPMASK1, 0);
switch (hit)
{
case -1:
if (pXSector && pXSector->Underwater)
aiNewState(actor, &tinycalebSwimAttack);
else
aiNewState(actor, &tinycalebAttack);
break;
case 3:
if (pSprite->type != gHitInfo.actor()->spr.type)
{
if (pXSector && pXSector->Underwater)
aiNewState(actor, &tinycalebSwimAttack);
else
aiNewState(actor, &tinycalebAttack);
}
else
{
if (pXSector && pXSector->Underwater)
aiNewState(actor, &tinycalebSwimDodge);
else
aiNewState(actor, &tinycalebDodge);
}
break;
default:
if (pXSector && pXSector->Underwater)
aiNewState(actor, &tinycalebSwimAttack);
else
aiNewState(actor, &tinycalebAttack);
break;
}
}
}
return;
}
}
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if (pXSector && pXSector->Underwater)
aiNewState(actor, &tinycalebSwimGoto);
else
aiNewState(actor, &tinycalebGoto);
if (Chance(0x2000))
sfxPlay3DSound(actor, 10000 + Random(5), -1, 0);
actor->SetTarget(nullptr);
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}
static void calebThinkSwimGoto(DBloodActor* actor)
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{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(pSprite->type);
int dx = pXSprite->targetX - pSprite->pos.X;
int dy = pXSprite->targetY - pSprite->pos.Y;
int nAngle = getangle(dx, dy);
int nDist = approxDist(dx, dy);
aiChooseDirection(actor, nAngle);
if (nDist < 512 && abs(pSprite->ang - nAngle) < pDudeInfo->periphery)
aiNewState(actor, &tinycalebSwimSearch);
aiThinkTarget(actor);
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}
static void calebThinkSwimChase(DBloodActor* actor)
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{
auto pSprite = &actor->s();
if (actor->GetTarget() == nullptr)
{
aiNewState(actor, &tinycalebSwimGoto);
return;
}
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(pSprite->type);
spritetype* pTarget = &actor->GetTarget()->s();
XSPRITE* pXTarget = &actor->GetTarget()->x();
int dx = pTarget->pos.X - pSprite->pos.X;
int dy = pTarget->pos.Y - pSprite->pos.Y;
aiChooseDirection(actor, getangle(dx, dy));
if (pXTarget->health == 0)
{
aiNewState(actor, &tinycalebSwimSearch);
return;
}
if (IsPlayerSprite(pTarget) && powerupCheck(&gPlayer[pTarget->type - kDudePlayer1], kPwUpShadowCloak) > 0)
{
aiNewState(actor, &tinycalebSwimSearch);
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->z;
int top, bottom;
GetActorExtents(actor, &top, &bottom);
if (cansee(pTarget->pos.X, pTarget->pos.Y, pTarget->z, pTarget->sector(), pSprite->pos.X, pSprite->pos.Y, pSprite->z - height, pSprite->sector()))
{
if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery)
{
aiSetTarget(actor, actor->GetTarget());
if (nDist < 0x400 && abs(nDeltaAngle) < 85)
aiNewState(actor, &tinycalebSwimAttack);
else
aiNewState(actor, &tinycaleb13967C);
}
}
return;
}
aiNewState(actor, &tinycalebSwimGoto);
actor->SetTarget(nullptr);
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}
static void sub_65D04(DBloodActor* actor)
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{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(pSprite->type);
int nAng = ((pXSprite->goalAng + 1024 - pSprite->ang) & 2047) - 1024;
int nTurnRange = (pDudeInfo->angSpeed << 2) >> 4;
pSprite->ang = (pSprite->ang + ClipRange(nAng, -nTurnRange, nTurnRange)) & 2047;
int nAccel = pDudeInfo->frontSpeed << 2;
if (abs(nAng) > 341)
return;
if (actor->GetTarget() == nullptr)
pSprite->ang = (pSprite->ang + 256) & 2047;
int dx = pXSprite->targetX - pSprite->pos.X;
int dy = pXSprite->targetY - pSprite->pos.Y;
int nDist = approxDist(dx, dy);
if (Random(64) < 32 && nDist <= 0x400)
return;
int nCos = Cos(pSprite->ang);
int nSin = Sin(pSprite->ang);
int vx = actor->xvel;
int vy = actor->yvel;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
if (actor->GetTarget() == nullptr)
t1 += nAccel;
else
t1 += nAccel >> 2;
actor->xvel = DMulScale(t1, nCos, t2, nSin, 30);
actor->yvel = DMulScale(t1, nSin, -t2, nCos, 30);
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}
static void sub_65F44(DBloodActor* actor)
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{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(pSprite->type);
if (!actor->ValidateTarget(__FUNCTION__)) return;
spritetype* pTarget = &actor->GetTarget()->s();
int z = pSprite->z + getDudeInfo(pSprite->type)->eyeHeight;
int z2 = pTarget->z + getDudeInfo(pTarget->type)->eyeHeight;
int nAng = ((pXSprite->goalAng + 1024 - pSprite->ang) & 2047) - 1024;
int nTurnRange = (pDudeInfo->angSpeed << 2) >> 4;
pSprite->ang = (pSprite->ang + ClipRange(nAng, -nTurnRange, nTurnRange)) & 2047;
int nAccel = pDudeInfo->frontSpeed << 2;
if (abs(nAng) > 341)
{
pXSprite->goalAng = (pSprite->ang + 512) & 2047;
return;
}
int dx = pXSprite->targetX - pSprite->pos.X;
int dy = pXSprite->targetY - pSprite->pos.Y;
int dz = z2 - z;
int nDist = approxDist(dx, dy);
if (Chance(0x600) && nDist <= 0x400)
return;
int nCos = Cos(pSprite->ang);
int nSin = Sin(pSprite->ang);
int vx = actor->xvel;
int vy = actor->yvel;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel;
actor->xvel = DMulScale(t1, nCos, t2, nSin, 30);
actor->yvel = DMulScale(t1, nSin, -t2, nCos, 30);
actor->zvel = -dz;
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}
static void sub_661E0(DBloodActor* actor)
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{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(pSprite->type);
if (!actor->ValidateTarget(__FUNCTION__)) return;
spritetype* pTarget = &actor->GetTarget()->s();
int z = pSprite->z + getDudeInfo(pSprite->type)->eyeHeight;
int z2 = pTarget->z + getDudeInfo(pTarget->type)->eyeHeight;
int nAng = ((pXSprite->goalAng + 1024 - pSprite->ang) & 2047) - 1024;
int nTurnRange = (pDudeInfo->angSpeed << 2) >> 4;
pSprite->ang = (pSprite->ang + ClipRange(nAng, -nTurnRange, nTurnRange)) & 2047;
int nAccel = pDudeInfo->frontSpeed << 2;
if (abs(nAng) > 341)
{
pSprite->ang = (pSprite->ang + 512) & 2047;
return;
}
int dx = pXSprite->targetX - pSprite->pos.X;
int dy = pXSprite->targetY - pSprite->pos.Y;
int dz = (z2 - z) << 3;
int nDist = approxDist(dx, dy);
if (Chance(0x4000) && nDist <= 0x400)
return;
int nCos = Cos(pSprite->ang);
int nSin = Sin(pSprite->ang);
int vx = actor->xvel;
int vy = actor->yvel;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->xvel = DMulScale(t1, nCos, t2, nSin, 30);
actor->yvel = DMulScale(t1, nSin, -t2, nCos, 30);
actor->zvel = dz;
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}
END_BLD_NS