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raze-gles/source/games/blood/src/aigilbst.cpp
Christoph Oelckers fc11f537f7 - project cleanup 
* moved all games into the 'games' folder.
* fixed project to include all sources and move them to the proper folders.
2021-01-10 20:31:32 +01:00

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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 "compat.h"
#include "build.h"
#include "mmulti.h"
#include "blood.h"
BEGIN_BLD_NS
static void gillThinkSearch(DBloodActor *);
static void gillThinkGoto(DBloodActor *);
static void gillThinkChase(DBloodActor *);
static void gillThinkSwimGoto(DBloodActor *);
static void gillThinkSwimChase(DBloodActor *);
static void sub_6CB00(DBloodActor *);
static void sub_6CD74(DBloodActor *);
static void sub_6D03C(DBloodActor *);
AISTATE gillBeastIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL };
AISTATE gillBeastChase = { kAiStateChase, 9, -1, 0, NULL, aiMoveForward, gillThinkChase, NULL };
AISTATE gillBeastDodge = { kAiStateMove, 9, -1, 90, NULL, aiMoveDodge, NULL, &gillBeastChase };
AISTATE gillBeastGoto = { kAiStateMove, 9, -1, 600, NULL, aiMoveForward, gillThinkGoto, &gillBeastIdle };
AISTATE gillBeastBite = { kAiStateChase, 6, nGillBiteClient, 120, NULL, NULL, NULL, &gillBeastChase };
AISTATE gillBeastSearch = { kAiStateMove, 9, -1, 120, NULL, aiMoveForward, gillThinkSearch, &gillBeastIdle };
AISTATE gillBeastRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &gillBeastDodge };
AISTATE gillBeastSwimIdle = { kAiStateIdle, 10, -1, 0, NULL, NULL, aiThinkTarget, NULL };
AISTATE gillBeastSwimChase = { kAiStateChase, 10, -1, 0, NULL, sub_6CB00, gillThinkSwimChase, NULL };
AISTATE gillBeastSwimDodge = { kAiStateMove, 10, -1, 90, NULL, aiMoveDodge, NULL, &gillBeastSwimChase };
AISTATE gillBeastSwimGoto = { kAiStateMove, 10, -1, 600, NULL, aiMoveForward, gillThinkSwimGoto, &gillBeastSwimIdle };
AISTATE gillBeastSwimSearch = { kAiStateSearch, 10, -1, 120, NULL, aiMoveForward, gillThinkSearch, &gillBeastSwimIdle };
AISTATE gillBeastSwimBite = { kAiStateChase, 7, nGillBiteClient, 0, NULL, NULL, gillThinkSwimChase, &gillBeastSwimChase };
AISTATE gillBeastSwimRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &gillBeastSwimDodge };
AISTATE gillBeast13A138 = { kAiStateOther, 10, -1, 120, NULL, sub_6CD74, gillThinkSwimChase, &gillBeastSwimChase };
AISTATE gillBeast13A154 = { kAiStateOther, 10, -1, 0, NULL, sub_6D03C, gillThinkSwimChase, &gillBeastSwimChase };
AISTATE gillBeast13A170 = { kAiStateOther, 10, -1, 120, NULL, NULL, aiMoveTurn, &gillBeastSwimChase };
void GillBiteSeqCallback(int, DBloodActor* actor)
{
XSPRITE* pXSprite = &actor->x();
spritetype* pSprite = &actor->s();
spritetype *pTarget = &sprite[pXSprite->target];
int dx = CosScale16(pSprite->ang);
int dy = SinScale16(pSprite->ang);
int dz = pSprite->z-pTarget->z;
dx += Random3(2000);
dy += Random3(2000);
actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_8);
actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_8);
actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_8);
}
static void gillThinkSearch(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
aiChooseDirection(pSprite, pXSprite, pXSprite->goalAng);
aiThinkTarget(actor);
}
static void gillThinkGoto(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
XSECTOR *pXSector;
int nXSector = sector[pSprite->sectnum].extra;
if (nXSector > 0)
pXSector = &xsector[nXSector];
else
pXSector = NULL;
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 && abs(pSprite->ang - nAngle) < pDudeInfo->periphery)
{
if (pXSector && pXSector->Underwater)
aiNewState(actor, &gillBeastSwimSearch);
else
aiNewState(actor, &gillBeastSearch);
}
aiThinkTarget(actor);
}
static void gillThinkChase(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
if (pXSprite->target == -1)
{
XSECTOR *pXSector;
int nXSector = sector[pSprite->sectnum].extra;
if (nXSector > 0)
pXSector = &xsector[nXSector];
else
pXSector = NULL;
if (pXSector && pXSector->Underwater)
aiNewState(actor, &gillBeastSwimSearch);
else
aiNewState(actor, &gillBeastSearch);
return;
}
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
assert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites);
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)
{
XSECTOR *pXSector;
int nXSector = sector[pSprite->sectnum].extra;
if (nXSector > 0)
pXSector = &xsector[nXSector];
else
pXSector = NULL;
if (pXSector && pXSector->Underwater)
aiNewState(actor, &gillBeastSwimSearch);
else
aiNewState(actor, &gillBeastSearch);
return;
}
if (IsPlayerSprite(pTarget) && powerupCheck(&gPlayer[pTarget->type-kDudePlayer1], kPwUpShadowCloak) > 0)
{
XSECTOR *pXSector;
int nXSector = sector[pSprite->sectnum].extra;
if (nXSector > 0)
pXSector = &xsector[nXSector];
else
pXSector = NULL;
if (pXSector && pXSector->Underwater)
aiNewState(actor, &gillBeastSwimSearch);
else
aiNewState(actor, &gillBeastSearch);
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 && abs(nDeltaAngle) <= pDudeInfo->periphery)
{
aiSetTarget(pXSprite, pXSprite->target);
actor->dudeSlope = DivScale(pTarget->z-pSprite->z, nDist, 10);
if (nDist < 921 && abs(nDeltaAngle) < 28)
{
XSECTOR *pXSector;
int nXSector = sector[pSprite->sectnum].extra;
if (nXSector > 0)
pXSector = &xsector[nXSector];
else
pXSector = NULL;
int hit = HitScan(pSprite, pSprite->z, dx, dy, 0, CLIPMASK1, 0);
switch (hit)
{
case -1:
if (pXSector && pXSector->Underwater)
aiNewState(actor, &gillBeastSwimBite);
else
aiNewState(actor, &gillBeastBite);
break;
case 3:
if (pSprite->type != sprite[gHitInfo.hitsprite].type)
{
if (pXSector && pXSector->Underwater)
aiNewState(actor, &gillBeastSwimBite);
else
aiNewState(actor, &gillBeastBite);
}
else
{
if (pXSector && pXSector->Underwater)
aiNewState(actor, &gillBeastSwimDodge);
else
aiNewState(actor, &gillBeastDodge);
}
break;
default:
if (pXSector && pXSector->Underwater)
aiNewState(actor, &gillBeastSwimBite);
else
aiNewState(actor, &gillBeastBite);
break;
}
}
}
return;
}
}
XSECTOR *pXSector;
int nXSector = sector[pSprite->sectnum].extra;
if (nXSector > 0)
pXSector = &xsector[nXSector];
else
pXSector = NULL;
if (pXSector && pXSector->Underwater)
aiNewState(actor, &gillBeastSwimGoto);
else
aiNewState(actor, &gillBeastGoto);
sfxPlay3DSound(pSprite, 1701, -1, 0);
pXSprite->target = -1;
}
static void gillThinkSwimGoto(DBloodActor* actor)
{
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->x;
int dy = pXSprite->targetY-pSprite->y;
int nAngle = getangle(dx, dy);
int nDist = approxDist(dx, dy);
aiChooseDirection(pSprite, pXSprite, nAngle);
if (nDist < 512 && abs(pSprite->ang - nAngle) < pDudeInfo->periphery)
aiNewState(actor, &gillBeastSwimSearch);
aiThinkTarget(actor);
}
static void gillThinkSwimChase(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
if (pXSprite->target == -1)
{
aiNewState(actor, &gillBeastSwimSearch);
return;
}
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
assert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites);
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)
{
aiNewState(actor, &gillBeastSwimSearch);
return;
}
if (IsPlayerSprite(pTarget) && powerupCheck(&gPlayer[pTarget->type-kDudePlayer1], kPwUpShadowCloak) > 0)
{
aiNewState(actor, &gillBeastSwimSearch);
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;
GetSpriteExtents(pSprite, &top, &bottom);
if (cansee(pTarget->x, pTarget->y, pTarget->z, pTarget->sectnum, pSprite->x, pSprite->y, pSprite->z - height, pSprite->sectnum))
{
if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery)
{
aiSetTarget(pXSprite, pXSprite->target);
if (nDist < 0x400 && abs(nDeltaAngle) < 85)
aiNewState(actor, &gillBeastSwimBite);
else
{
aiPlay3DSound(pSprite, 1700, AI_SFX_PRIORITY_1, -1);
aiNewState(actor, &gillBeast13A154);
}
}
}
else
aiNewState(actor, &gillBeast13A154);
return;
}
aiNewState(actor, &gillBeastSwimGoto);
pXSprite->target = -1;
}
static void sub_6CB00(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
int nSprite = pSprite->index;
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-(((4-gGameOptions.nDifficulty)<<27)/120)/120)<<2;
if (abs(nAng) > 341)
return;
if (pXSprite->target == -1)
pSprite->ang = (pSprite->ang+256)&2047;
int dx = pXSprite->targetX-pSprite->x;
int dy = pXSprite->targetY-pSprite->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 (pXSprite->target == -1)
t1 += nAccel;
else
t1 += nAccel>>2;
actor->xvel() = DMulScale(t1, nCos, t2, nSin, 30);
actor->yvel() = DMulScale(t1, nSin, -t2, nCos, 30);
}
static void sub_6CD74(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
spritetype *pTarget = &sprite[pXSprite->target];
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-(((4-gGameOptions.nDifficulty)<<27)/120)/120)<<2;
if (abs(nAng) > 341)
{
pXSprite->goalAng = (pSprite->ang+512)&2047;
return;
}
int dx = pXSprite->targetX-pSprite->x;
int dy = pXSprite->targetY-pSprite->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;
}
static void sub_6D03C(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
spritetype *pTarget = &sprite[pXSprite->target];
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-(((4-gGameOptions.nDifficulty)<<27)/120)/120)<<2;
if (abs(nAng) > 341)
{
pSprite->ang = (pSprite->ang+512)&2047;
return;
}
int dx = pXSprite->targetX-pSprite->x;
int dy = pXSprite->targetY-pSprite->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;
}
END_BLD_NS
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