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raze/source/games/blood/src/aiboneel.cpp
Christoph Oelckers e7b09dbaac - renamed vel.
2022-10-14 23:52:42 +02:00

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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 "build.h"
#include "blood.h"
BEGIN_BLD_NS
static void eelThinkTarget(DBloodActor*);
static void eelThinkSearch(DBloodActor*);
static void eelThinkGoto(DBloodActor*);
static void eelThinkPonder(DBloodActor*);
static void eelMoveDodgeUp(DBloodActor*);
static void eelMoveDodgeDown(DBloodActor*);
static void eelThinkChase(DBloodActor*);
static void eelMoveForward(DBloodActor*);
static void eelMoveSwoop(DBloodActor*);
static void eelMoveAscend(DBloodActor* actor);
static void eelMoveToCeil(DBloodActor*);
AISTATE eelIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, eelThinkTarget, NULL };
AISTATE eelFlyIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, eelThinkTarget, NULL };
AISTATE eelChase = { kAiStateChase, 0, -1, 0, NULL, eelMoveForward, eelThinkChase, &eelIdle };
AISTATE eelPonder = { kAiStateOther, 0, -1, 0, NULL, NULL, eelThinkPonder, NULL };
AISTATE eelGoto = { kAiStateMove, 0, -1, 600, NULL, NULL, eelThinkGoto, &eelIdle };
AISTATE eelBite = { kAiStateChase, 7, nEelBiteClient, 60, NULL, NULL, NULL, &eelChase };
AISTATE eelRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &eelChase };
AISTATE eelSearch = { kAiStateSearch, 0, -1, 120, NULL, eelMoveForward, eelThinkSearch, &eelIdle };
AISTATE eelSwoop = { kAiStateOther, 0, -1, 60, NULL, eelMoveSwoop, eelThinkChase, &eelChase };
AISTATE eelFly = { kAiStateMove, 0, -1, 0, NULL, eelMoveAscend, eelThinkChase, &eelChase };
AISTATE eelTurn = { kAiStateMove, 0, -1, 60, NULL, aiMoveTurn, NULL, &eelChase };
AISTATE eelHide = { kAiStateOther, 0, -1, 0, NULL, eelMoveToCeil, eelMoveForward, NULL };
AISTATE eelDodgeUp = { kAiStateMove, 0, -1, 120, NULL, eelMoveDodgeUp, NULL, &eelChase };
AISTATE eelDodgeUpRight = { kAiStateMove, 0, -1, 90, NULL, eelMoveDodgeUp, NULL, &eelChase };
AISTATE eelDodgeUpLeft = { kAiStateMove, 0, -1, 90, NULL, eelMoveDodgeUp, NULL, &eelChase };
AISTATE eelDodgeDown = { kAiStateMove, 0, -1, 120, NULL, eelMoveDodgeDown, NULL, &eelChase };
AISTATE eelDodgeDownRight = { kAiStateMove, 0, -1, 90, NULL, eelMoveDodgeDown, NULL, &eelChase };
AISTATE eelDodgeDownLeft = { kAiStateMove, 0, -1, 90, NULL, eelMoveDodgeDown, NULL, &eelChase };
void eelBiteSeqCallback(int, DBloodActor* actor)
{
/*
* workaround for
* actor->xspr.target >= 0 in file NBlood/source/blood/src/aiboneel.cpp at line 86
* The value of actor->xspr.target is -1.
* copied from lines 177:181
* resolves this case, but may cause other issues?
*/
if (actor->GetTarget() == nullptr)
{
aiNewState(actor, &eelSearch);
return;
}
auto target = actor->GetTarget();
int dx = bcos(actor->int_ang());
int dy = bsin(actor->int_ang());
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
DUDEINFO* pDudeInfoT = getDudeInfo(target->spr.type);
int height = (actor->spr.yrepeat * pDudeInfo->eyeHeight) << 2;
int height2 = (target->spr.yrepeat * pDudeInfoT->eyeHeight) << 2;
actFireVector(actor, 0, 0, dx, dy, height2 - height, kVectorBoneelBite);
}
static void eelThinkTarget(DBloodActor* actor)
{
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
DUDEEXTRA_STATS* pDudeExtraE = &actor->dudeExtra.stats;
if (pDudeExtraE->active && pDudeExtraE->thinkTime < 10)
pDudeExtraE->thinkTime++;
else if (pDudeExtraE->thinkTime >= 10 && pDudeExtraE->active)
{
pDudeExtraE->thinkTime = 0;
actor->xspr.goalAng += 256;
aiSetTarget(actor, actor->basePoint);
aiNewState(actor, &eelTurn);
return;
}
if (Chance(pDudeInfo->alertChance))
{
for (int p = connecthead; p >= 0; p = connectpoint2[p])
{
PLAYER* pPlayer = &gPlayer[p];
if (pPlayer->actor->xspr.health == 0 || powerupCheck(pPlayer, kPwUpShadowCloak) > 0)
continue;
auto ppos = pPlayer->actor->spr.pos;
auto dvect = ppos.XY() - actor->spr.pos;
auto pSector = pPlayer->actor->sector();
int nDist = approxDist(dvect);
if (nDist > pDudeInfo->seeDist && nDist > pDudeInfo->hearDist)
continue;
double height = (pDudeInfo->eyeHeight * actor->spr.yrepeat) * REPEAT_SCALE;
if (!cansee(ppos, pSector, actor->spr.pos.plusZ(-height), actor->sector()))
continue;
int nDeltaAngle = getincangle(actor->int_ang(), getangle(dvect));
if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery)
{
pDudeExtraE->thinkTime = 0;
aiSetTarget(actor, pPlayer->actor);
aiActivateDude(actor);
}
else if (nDist < pDudeInfo->hearDist)
{
pDudeExtraE->thinkTime = 0;
aiSetTarget(actor, ppos);
aiActivateDude(actor);
}
else
continue;
break;
}
}
}
static void eelThinkSearch(DBloodActor* actor)
{
aiChooseDirection(actor, actor->xspr.goalAng);
eelThinkTarget(actor);
}
static void eelThinkGoto(DBloodActor* actor)
{
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
auto dvec = actor->xspr.TargetPos.XY() - actor->spr.pos.XY();
int nAngle = getangle(dvec);
int nDist = approxDist(dvec);
aiChooseDirection(actor, nAngle);
if (nDist < 512 && abs(actor->int_ang() - nAngle) < pDudeInfo->periphery)
aiNewState(actor, &eelSearch);
eelThinkTarget(actor);
}
static void eelThinkPonder(DBloodActor* actor)
{
if (actor->GetTarget() == nullptr)
{
aiNewState(actor, &eelSearch);
return;
}
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
auto target = actor->GetTarget();
auto dvec = target->spr.pos.XY() - actor->spr.pos.XY();
int nAngle = getangle(dvec);
int nDist = approxDist(dvec);
aiChooseDirection(actor, nAngle);
if (target->xspr.health == 0)
{
aiNewState(actor, &eelSearch);
return;
}
if (nDist <= pDudeInfo->seeDist)
{
int nDeltaAngle = getincangle(actor->int_ang(), nAngle);
int height = (pDudeInfo->eyeHeight * actor->spr.yrepeat) << 2;
int height2 = (getDudeInfo(target->spr.type)->eyeHeight * target->spr.yrepeat) << 2;
int top, bottom;
GetActorExtents(actor, &top, &bottom);
if (cansee(target->spr.pos, target->sector(), actor->spr.pos.plusZ(-height * zinttoworld), actor->sector()))
{
aiSetTarget(actor, actor->GetTarget());
if (height2 - height < -0x2000 && nDist < 0x1800 && nDist > 0xc00 && abs(nDeltaAngle) < 85)
aiNewState(actor, &eelDodgeUp);
else if (height2 - height > 0xccc && nDist < 0x1800 && nDist > 0xc00 && abs(nDeltaAngle) < 85)
aiNewState(actor, &eelDodgeDown);
else if (height2 - height < 0xccc && nDist < 0x399 && abs(nDeltaAngle) < 85)
aiNewState(actor, &eelDodgeUp);
else if (height2 - height > 0xccc && nDist < 0x1400 && nDist > 0x800 && abs(nDeltaAngle) < 85)
aiNewState(actor, &eelDodgeDown);
else if (height2 - height < -0x2000 && nDist < 0x1400 && nDist > 0x800 && abs(nDeltaAngle) < 85)
aiNewState(actor, &eelDodgeUp);
else if (height2 - height < -0x2000 && abs(nDeltaAngle) < 85 && nDist > 0x1400)
aiNewState(actor, &eelDodgeUp);
else if (height2 - height > 0xccc)
aiNewState(actor, &eelDodgeDown);
else
aiNewState(actor, &eelDodgeUp);
return;
}
}
aiNewState(actor, &eelGoto);
actor->SetTarget(nullptr);
}
static void eelMoveDodgeUp(DBloodActor* actor)
{
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
auto nAng = deltaangle(actor->spr.angle, DAngle::fromBuild(actor->xspr.goalAng));
auto nTurnRange = DAngle::fromQ16(pDudeInfo->angSpeed << 3);
actor->spr.angle += clamp(nAng, -nTurnRange, nTurnRange);
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int dx = actor->__int_vel.X;
int dy = actor->__int_vel.Y;
int t1 = DMulScale(dx, nCos, dy, nSin, 30);
int t2 = DMulScale(dx, nSin, -dy, nCos, 30);
if (actor->xspr.dodgeDir > 0)
t2 += pDudeInfo->sideSpeed;
else
t2 -= pDudeInfo->sideSpeed;
actor->__int_vel.X = DMulScale(t1, nCos, t2, nSin, 30);
actor->__int_vel.Y = DMulScale(t1, nSin, -t2, nCos, 30);
actor->__int_vel.Z = -0x8000;
}
static void eelMoveDodgeDown(DBloodActor* actor)
{
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
auto nAng = deltaangle(actor->spr.angle, DAngle::fromBuild(actor->xspr.goalAng));
auto nTurnRange = DAngle::fromQ16(pDudeInfo->angSpeed << 3);
actor->spr.angle += clamp(nAng, -nTurnRange, nTurnRange);
if (actor->xspr.dodgeDir == 0)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int dx = actor->__int_vel.X;
int dy = actor->__int_vel.Y;
int t1 = DMulScale(dx, nCos, dy, nSin, 30);
int t2 = DMulScale(dx, nSin, -dy, nCos, 30);
if (actor->xspr.dodgeDir > 0)
t2 += pDudeInfo->sideSpeed;
else
t2 -= pDudeInfo->sideSpeed;
actor->__int_vel.X = DMulScale(t1, nCos, t2, nSin, 30);
actor->__int_vel.Y = DMulScale(t1, nSin, -t2, nCos, 30);
actor->__int_vel.Z = 0x44444;
}
static void eelThinkChase(DBloodActor* actor)
{
if (actor->GetTarget() == nullptr)
{
aiNewState(actor, &eelGoto);
return;
}
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
auto target = actor->GetTarget();
auto dvec = target->spr.pos.XY() - actor->spr.pos.XY();
int nAngle = getangle(dvec);
int nDist = approxDist(dvec);
aiChooseDirection(actor, nAngle);
if (target->xspr.health == 0)
{
aiNewState(actor, &eelSearch);
return;
}
if (target->IsPlayerActor() && powerupCheck(&gPlayer[target->spr.type - kDudePlayer1], kPwUpShadowCloak) > 0)
{
aiNewState(actor, &eelSearch);
return;
}
if (nDist <= pDudeInfo->seeDist)
{
int nDeltaAngle = getincangle(actor->int_ang(), nAngle);
double height = (pDudeInfo->eyeHeight * actor->spr.yrepeat) * REPEAT_SCALE;
int top, bottom;
GetActorExtents(actor, &top, &bottom);
int top2, bottom2;
GetActorExtents(target, &top2, &bottom2);
if (cansee(target->spr.pos, target->sector(), actor->spr.pos.plusZ(-height), actor->sector()))
{
if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery)
{
aiSetTarget(actor, actor->GetTarget());
if (nDist < 0x399 && top2 > top && abs(nDeltaAngle) < 85)
aiNewState(actor, &eelSwoop);
else if (nDist <= 0x399 && abs(nDeltaAngle) < 85)
aiNewState(actor, &eelBite);
else if (bottom2 > top && abs(nDeltaAngle) < 85)
aiNewState(actor, &eelSwoop);
else if (top2 < top && abs(nDeltaAngle) < 85)
aiNewState(actor, &eelFly);
}
}
return;
}
actor->SetTarget(nullptr);
aiNewState(actor, &eelSearch);
}
static void eelMoveForward(DBloodActor* actor)
{
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
auto nAng = deltaangle(actor->spr.angle, DAngle::fromBuild(actor->xspr.goalAng));
auto nTurnRange = DAngle::fromQ16(pDudeInfo->angSpeed << 3);
actor->spr.angle += clamp(nAng, -nTurnRange, nTurnRange);
int nAccel = (pDudeInfo->frontSpeed - (((4 - gGameOptions.nDifficulty) << 26) / 120) / 120) << 2;
if (abs(nAng) > DAngle60)
return;
if (actor->GetTarget() == nullptr)
actor->spr.angle += DAngle45;
auto dvec = actor->xspr.TargetPos.XY() - actor->spr.pos.XY();
int nDist = approxDist(dvec);
if (nDist <= 0x399)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->__int_vel.X;
int vy = actor->__int_vel.Y;
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 >> 1;
actor->__int_vel.X = DMulScale(t1, nCos, t2, nSin, 30);
actor->__int_vel.Y = DMulScale(t1, nSin, -t2, nCos, 30);
}
static void eelMoveSwoop(DBloodActor* actor)
{
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
auto nAng = deltaangle(actor->spr.angle, DAngle::fromBuild(actor->xspr.goalAng));
auto nTurnRange = DAngle::fromQ16(pDudeInfo->angSpeed << 3);
actor->spr.angle += clamp(nAng, -nTurnRange, nTurnRange);
int nAccel = (pDudeInfo->frontSpeed - (((4 - gGameOptions.nDifficulty) << 26) / 120) / 120) << 2;
if (abs(nAng) > DAngle60)
return;
auto dvec = actor->xspr.TargetPos.XY() - actor->spr.pos.XY();
int nDist = approxDist(dvec);
if (Chance(0x8000) && nDist <= 0x399)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->__int_vel.X;
int vy = actor->__int_vel.Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->__int_vel.X = DMulScale(t1, nCos, t2, nSin, 30);
actor->__int_vel.Y = DMulScale(t1, nSin, -t2, nCos, 30);
actor->__int_vel.Z = 0x22222;
}
static void eelMoveAscend(DBloodActor* actor)
{
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
auto nAng = deltaangle(actor->spr.angle, DAngle::fromBuild(actor->xspr.goalAng));
auto nTurnRange = DAngle::fromQ16(pDudeInfo->angSpeed << 3);
actor->spr.angle += clamp(nAng, -nTurnRange, nTurnRange);
int nAccel = (pDudeInfo->frontSpeed - (((4 - gGameOptions.nDifficulty) << 26) / 120) / 120) << 2;
if (abs(nAng) > DAngle60)
return;
auto dvec = actor->xspr.TargetPos.XY() - actor->spr.pos.XY();
int nDist = approxDist(dvec);
if (Chance(0x4000) && nDist <= 0x399)
return;
int nCos = Cos(actor->int_ang());
int nSin = Sin(actor->int_ang());
int vx = actor->__int_vel.X;
int vy = actor->__int_vel.Y;
int t1 = DMulScale(vx, nCos, vy, nSin, 30);
int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
t1 += nAccel >> 1;
actor->__int_vel.X = DMulScale(t1, nCos, t2, nSin, 30);
actor->__int_vel.Y = DMulScale(t1, nSin, -t2, nCos, 30);
actor->__int_vel.Z = -0x8000;
}
void eelMoveToCeil(DBloodActor* actor)
{
if (actor->spr.pos.Z - actor->xspr.TargetPos.Z < 0x10)
{
DUDEEXTRA_STATS* pDudeExtraE = &actor->dudeExtra.stats;
pDudeExtraE->active = 0;
actor->spr.flags = 0;
aiNewState(actor, &eelIdle);
}
else
aiSetTarget(actor, DVector3(actor->spr.pos.XY(), actor->sector()->ceilingz));
}
END_BLD_NS
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