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raze-gles/source/games/blood/src/aibat.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 batThinkTarget(DBloodActor*);
static void batThinkSearch(DBloodActor*);
static void batThinkGoto(DBloodActor*);
static void batThinkPonder(DBloodActor*);
static void batMoveDodgeUp(DBloodActor*);
static void batMoveDodgeDown(DBloodActor*);
static void batThinkChase(DBloodActor*);
static void batMoveForward(DBloodActor*);
static void batMoveSwoop(DBloodActor*);
static void batMoveFly(DBloodActor*);
static void batMoveToCeil(DBloodActor*);
AISTATE batIdle = {kAiStateIdle, 0, -1, 0, NULL, NULL, batThinkTarget, NULL };
AISTATE batFlyIdle = {kAiStateIdle, 6, -1, 0, NULL, NULL, batThinkTarget, NULL };
AISTATE batChase = {kAiStateChase, 6, -1, 0, NULL, batMoveForward, batThinkChase, &batFlyIdle };
AISTATE batPonder = {kAiStateOther, 6, -1, 0, NULL, NULL, batThinkPonder, NULL };
AISTATE batGoto = {kAiStateMove, 6, -1, 600, NULL, batMoveForward, batThinkGoto, &batFlyIdle };
AISTATE batBite = {kAiStateChase, 7, nBatBiteClient, 60, NULL, NULL, NULL, &batPonder };
AISTATE batRecoil = {kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &batChase };
AISTATE batSearch = {kAiStateSearch, 6, -1, 120, NULL, batMoveForward, batThinkSearch, &batFlyIdle };
AISTATE batSwoop = {kAiStateOther, 6, -1, 60, NULL, batMoveSwoop, batThinkChase, &batChase };
AISTATE batFly = { kAiStateMove, 6, -1, 0, NULL, batMoveFly, batThinkChase, &batChase };
AISTATE batTurn = {kAiStateMove, 6, -1, 60, NULL, aiMoveTurn, NULL, &batChase };
AISTATE batHide = {kAiStateOther, 6, -1, 0, NULL, batMoveToCeil, batMoveForward, NULL };
AISTATE batDodgeUp = {kAiStateMove, 6, -1, 120, NULL, batMoveDodgeUp, 0, &batChase };
AISTATE batDodgeUpRight = {kAiStateMove, 6, -1, 90, NULL, batMoveDodgeUp, 0, &batChase };
AISTATE batDodgeUpLeft = {kAiStateMove, 6, -1, 90, NULL, batMoveDodgeUp, 0, &batChase };
AISTATE batDodgeDown = {kAiStateMove, 6, -1, 120, NULL, batMoveDodgeDown, 0, &batChase };
AISTATE batDodgeDownRight = {kAiStateMove, 6, -1, 90, NULL, batMoveDodgeDown, 0, &batChase };
AISTATE batDodgeDownLeft = {kAiStateMove, 6, -1, 90, NULL, batMoveDodgeDown, 0, &batChase };
void batBiteSeqCallback(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);
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
DUDEINFO *pDudeInfoT = getDudeInfo(pTarget->type);
int height = (pSprite->yrepeat*pDudeInfo->eyeHeight)<<2;
int height2 = (pTarget->yrepeat*pDudeInfoT->eyeHeight)<<2;
assert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites);
actFireVector(pSprite, 0, 0, dx, dy, height2-height, VECTOR_TYPE_6);
}
static void batThinkTarget(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
DUDEEXTRA_at6_u1 *pDudeExtraE = &gDudeExtra[pSprite->extra].at6.u1;
if (pDudeExtraE->xval3 && pDudeExtraE->xval2 < 10)
pDudeExtraE->xval2++;
else if (pDudeExtraE->xval2 >= 10 && pDudeExtraE->xval3)
{
pDudeExtraE->xval2 = 0;
pXSprite->goalAng += 256;
POINT3D *pTarget = &baseSprite[pSprite->index];
aiSetTarget(pXSprite, pTarget->x, pTarget->y, pTarget->z);
aiNewState(actor, &batTurn);
return;
}
if (Chance(pDudeInfo->alertChance))
{
for (int p = connecthead; p >= 0; p = connectpoint2[p])
{
PLAYER *pPlayer = &gPlayer[p];
if (pPlayer->pXSprite->health == 0 || powerupCheck(pPlayer, kPwUpShadowCloak) > 0)
continue;
int x = pPlayer->pSprite->x;
int y = pPlayer->pSprite->y;
int z = pPlayer->pSprite->z;
int nSector = pPlayer->pSprite->sectnum;
int dx = x-pSprite->x;
int dy = y-pSprite->y;
int nDist = approxDist(dx, dy);
if (nDist > pDudeInfo->seeDist && nDist > pDudeInfo->hearDist)
continue;
if (!cansee(x, y, z, nSector, pSprite->x, pSprite->y, pSprite->z-((pDudeInfo->eyeHeight*pSprite->yrepeat)<<2), pSprite->sectnum))
continue;
int nDeltaAngle = ((getangle(dx,dy)+1024-pSprite->ang)&2047)-1024;
if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery)
{
aiSetTarget(pXSprite, pPlayer->nSprite);
aiActivateDude(&bloodActors[pXSprite->reference]);
}
else if (nDist < pDudeInfo->hearDist)
{
aiSetTarget(pXSprite, x, y, z);
aiActivateDude(&bloodActors[pXSprite->reference]);
}
else
continue;
break;
}
}
}
static void batThinkSearch(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
aiChooseDirection(pSprite, pXSprite, pXSprite->goalAng);
batThinkTarget(actor);
}
static void batThinkGoto(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, &batSearch);
batThinkTarget(actor);
}
static void batThinkPonder(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
if (pXSprite->target == -1)
{
aiNewState(actor, &batSearch);
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, &batSearch);
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;
int height2 = (getDudeInfo(pTarget->type)->eyeHeight*pTarget->yrepeat)<<2;
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))
{
aiSetTarget(pXSprite, pXSprite->target);
if (height2-height < 0x3000 && nDist < 0x1800 && nDist > 0xc00 && abs(nDeltaAngle) < 85)
aiNewState(actor, &batDodgeUp);
else if (height2-height > 0x5000 && nDist < 0x1800 && nDist > 0xc00 && abs(nDeltaAngle) < 85)
aiNewState(actor, &batDodgeDown);
else if (height2-height < 0x2000 && nDist < 0x200 && abs(nDeltaAngle) < 85)
aiNewState(actor, &batDodgeUp);
else if (height2-height > 0x6000 && nDist < 0x1400 && nDist > 0x800 && abs(nDeltaAngle) < 85)
aiNewState(actor, &batDodgeDown);
else if (height2-height < 0x2000 && nDist < 0x1400 && nDist > 0x800 && abs(nDeltaAngle) < 85)
aiNewState(actor, &batDodgeUp);
else if (height2-height < 0x2000 && abs(nDeltaAngle) < 85 && nDist > 0x1400)
aiNewState(actor, &batDodgeUp);
else if (height2-height > 0x4000)
aiNewState(actor, &batDodgeDown);
else
aiNewState(actor, &batDodgeUp);
return;
}
}
aiNewState(actor, &batGoto);
pXSprite->target = -1;
}
static void batMoveDodgeUp(DBloodActor* actor)
{
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 nCos = Cos(pSprite->ang);
int nSin = Sin(pSprite->ang);
int dx = actor->xvel();
int dy = actor->yvel();
int t1 = DMulScale(dx, nCos, dy, nSin, 30);
int t2 = DMulScale(dx, nSin, -dy, nCos, 30);
if (pXSprite->dodgeDir > 0)
t2 += pDudeInfo->sideSpeed;
else
t2 -= pDudeInfo->sideSpeed;
actor->xvel() = DMulScale(t1, nCos, t2, nSin, 30);
actor->yvel() = DMulScale(t1, nSin, -t2, nCos, 30);
actor->zvel() = -0x52aaa;
}
static void batMoveDodgeDown(DBloodActor* actor)
{
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;
if (pXSprite->dodgeDir == 0)
return;
int nCos = Cos(pSprite->ang);
int nSin = Sin(pSprite->ang);
int dx = actor->xvel();
int dy = actor->yvel();
int t1 = DMulScale(dx, nCos, dy, nSin, 30);
int t2 = DMulScale(dx, nSin, -dy, nCos, 30);
if (pXSprite->dodgeDir > 0)
t2 += pDudeInfo->sideSpeed;
else
t2 -= pDudeInfo->sideSpeed;
actor->xvel() = DMulScale(t1, nCos, t2, nSin, 30);
actor->yvel() = DMulScale(t1, nSin, -t2, nCos, 30);
actor->zvel() = 0x44444;
}
static void batThinkChase(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
if (pXSprite->target == -1)
{
aiNewState(actor, &batGoto);
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, &batSearch);
return;
}
if (IsPlayerSprite(pTarget) && powerupCheck(&gPlayer[pTarget->type - kDudePlayer1], kPwUpShadowCloak) > 0)
{
aiNewState(actor, &batSearch);
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;
// Should be dudeInfo[pTarget->type-kDudeBase]
int height2 = (pDudeInfo->eyeHeight*pTarget->yrepeat)<<2;
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);
int floorZ = getflorzofslope(pSprite->sectnum, pSprite->x, pSprite->y);
if (height2-height < 0x2000 && nDist < 0x200 && abs(nDeltaAngle) < 85)
aiNewState(actor, &batBite);
else if ((height2-height > 0x5000 || floorZ-bottom > 0x5000) && nDist < 0x1400 && nDist > 0x800 && abs(nDeltaAngle) < 85)
aiNewState(actor, &batSwoop);
else if ((height2-height < 0x3000 || floorZ-bottom < 0x3000) && abs(nDeltaAngle) < 85)
aiNewState(actor, &batFly);
return;
}
}
else
{
aiNewState(actor, &batFly);
return;
}
}
pXSprite->target = -1;
aiNewState(actor, &batHide);
}
static void batMoveForward(DBloodActor* actor)
{
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 (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 ((unsigned int)Random(64) < 32 && nDist <= 0x200)
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>>1;
actor->xvel() = DMulScale(t1, nCos, t2, nSin, 30);
actor->yvel() = DMulScale(t1, nSin, -t2, nCos, 30);
}
static void batMoveSwoop(DBloodActor* actor)
{
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)
{
pXSprite->goalAng = (pSprite->ang+512)&2047;
return;
}
int dx = pXSprite->targetX-pSprite->x;
int dy = pXSprite->targetY-pSprite->y;
int nDist = approxDist(dx, dy);
if (Chance(0x600) && nDist <= 0x200)
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() = 0x44444;
}
static void batMoveFly(DBloodActor* actor)
{
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)
{
pSprite->ang = (pSprite->ang+512)&2047;
return;
}
int dx = pXSprite->targetX-pSprite->x;
int dy = pXSprite->targetY-pSprite->y;
int nDist = approxDist(dx, dy);
if (Chance(0x4000) && nDist <= 0x200)
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() = -0x2d555;
}
void batMoveToCeil(DBloodActor* actor)
{
auto pXSprite = &actor->x();
auto pSprite = &actor->s();
int x = pSprite->x;
int y = pSprite->y;
int z = pSprite->z;
int nSector = pSprite->sectnum;
if (z - pXSprite->targetZ < 0x1000)
{
DUDEEXTRA_at6_u1 *pDudeExtraE = &gDudeExtra[pSprite->extra].at6.u1;
pDudeExtraE->xval3 = 0;
pSprite->flags = 0;
aiNewState(actor, &batIdle);
}
else
aiSetTarget(pXSprite, x, y, sector[nSector].ceilingz);
}
END_BLD_NS
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