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- floatified Blood’s MoveMissile function

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This commit is contained in:
Christoph Oelckers 2022-08-30 19:08:16 +02:00
parent 978c35fda1
commit ea9c88d952
3 changed files with 39 additions and 24 deletions
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43
source/games/blood/src/actor.cpp
View file

@ -5241,17 +5241,15 @@ int MoveMissile(DBloodActor* actor)
actor->vel.Z += deltaz;
}
}
int vx = actor->vel.X >> 12;
int vy = actor->vel.Y >> 12;
int vz = actor->vel.Z >> 8;
int top, bottom;
auto vel = actor->fVel();
double top, bottom;
GetActorExtents(actor, &top, &bottom);
int i = 1;
const int bakCompat = enginecompatibility_mode;
const bool isFlameSprite = (actor->spr.type == kMissileFlameSpray || actor->spr.type == kMissileFlameHound); // do not use accurate clipmove for flame based sprites (changes damage too much)
while (1)
{
vec3_t pos = actor->int_pos();
auto ppos = actor->spr.pos;
auto pSector2 = actor->sector();
const auto bakSpriteCstat = actor->spr.cstat;
if (Owner && !isFlameSprite && !cl_bloodvanillaexplosions && !VanillaMode())
@ -5260,7 +5258,7 @@ int MoveMissile(DBloodActor* actor)
actor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL; // remove self collisions for accurate clipmove
}
Collision clipmoveresult;
ClipMove(pos, &pSector2, vx, vy, actor->spr.clipdist << 2, (pos.Z - top) / 4, (bottom - pos.Z) / 4, CLIPMASK0, clipmoveresult, 1);
ClipMove(ppos, &pSector2, vel.XY(), actor->spr.clipdist << 2, (ppos.Z - top) / 4, (bottom - ppos.Z) / 4, CLIPMASK0, clipmoveresult, 1);
enginecompatibility_mode = bakCompat; // restore
actor->spr.cstat = bakSpriteCstat;
auto pSector = pSector2;
@ -5280,9 +5278,9 @@ int MoveMissile(DBloodActor* actor)
if (!gHitInfo.hitWall->twoSided()) cliptype = 0;
else
{
int32_t fz, cz;
getzsofslopeptr(clipmoveresult.hitWall->nextSector(), pos.X, pos.Y, &cz, &fz);
if (pos.Z <= cz || pos.Z >= fz) cliptype = 0;
double fz, cz;
getzsofslopeptr(clipmoveresult.hitWall->nextSector(), ppos, &cz, &fz);
if (ppos.Z <= cz || ppos.Z >= fz) cliptype = 0;
else cliptype = 4;
}
}
@ -5308,35 +5306,32 @@ int MoveMissile(DBloodActor* actor)
}
if (cliptype >= 0 && cliptype != 3)
{
int nAngle = getangle(actor->vel.X, actor->vel.Y);
pos.X -= MulScale(Cos(nAngle), 16, 30);
pos.Y -= MulScale(Sin(nAngle), 16, 30);
int nVel = approxDist(actor->vel.X, actor->vel.Y);
vz -= Scale(0x100, actor->vel.Z, nVel);
updatesector(pos.X, pos.Y, &pSector);
double nVel = actor->fVel().XY().Length();
ppos.XY() -= actor->fVel().XY() / nVel;
vel.Z -= actor->fVel().Z / nVel;
updatesector(ppos, &pSector);
pSector2 = pSector;
}
int ceilZ, floorZ;
double ceilZ, floorZ;
Collision ceilColl, floorColl;
GetZRangeAtXYZ(pos.X, pos.Y, pos.Z, pSector2, &ceilZ, &ceilColl, &floorZ, &floorColl, actor->spr.clipdist << 2, CLIPMASK0);
GetZRangeAtXYZ(ppos, pSector2, &ceilZ, &ceilColl, &floorZ, &floorColl, actor->spr.clipdist << 2, CLIPMASK0);
GetActorExtents(actor, &top, &bottom);
top += vz;
bottom += vz;
top += vel.Z;
bottom += vel.Z;
if (bottom >= floorZ)
{
actor->hit.florhit = floorColl;
vz += floorZ - bottom;
vel.Z += floorZ - bottom;
cliptype = 2;
}
if (top <= ceilZ)
{
actor->hit.ceilhit = ceilColl;
vz += ClipLow(ceilZ - top, 0);
vel.Z += std::max(ceilZ - top, 0.);
cliptype = 1;
}
actor->set_int_pos( pos);
actor->add_int_z(vz);
updatesector(pos.X, pos.Y, &pSector);
actor->spr.pos = ppos.plusZ(vel.Z);
updatesector(ppos, &pSector);
if (pSector != nullptr && pSector != actor->sector())
{
assert(pSector);

5
source/games/blood/src/bloodactor.h
View file

@ -42,6 +42,11 @@ public:
bool hasX() { return hasx; }
void addX() { hasx = true; }
DVector3 fVel() const
{
return { FixedToFloat(vel.X), FixedToFloat(vel.Y), FixedToFloat(vel.Z) };
}
void SetOwner(DBloodActor* own)
{

15
source/games/blood/src/gameutil.h
View file

@ -45,6 +45,14 @@ inline int HitScan(DBloodActor* pSprite, double z, int dx, int dy, int dz, unsig
int VectorScan(DBloodActor* pSprite, int nOffset, int nZOffset, int dx, int dy, int dz, int nRange, int ac);
void GetZRange(DBloodActor* pSprite, int* ceilZ, Collision* ceilHit, int* floorZ, Collision* floorHit, int nDist, unsigned int nMask, unsigned int nClipParallax = 0);
void GetZRangeAtXYZ(int x, int y, int z, sectortype* pSector, int* ceilZ, Collision* ceilHit, int* floorZ, Collision* floorHit, int nDist, unsigned int nMask, unsigned int nClipParallax = 0);
void GetZRangeAtXYZ(const DVector3& pos, sectortype* pSector, double* ceilZ, Collision* ceilHit, double* floorZ, Collision* floorHit, int nDist, unsigned int nMask, unsigned int nClipParallax = 0)
{
vec3_t ipos = { int(pos.X * worldtoint), int(pos.Y * worldtoint), int(pos.Z * zworldtoint)};
int cz, fz;
GetZRangeAtXYZ(ipos.X, ipos.Y, ipos.Z, pSector, &cz, ceilHit, &fz, floorHit, nDist, nMask);
*ceilZ = cz * zinttoworld;
*floorZ = fz * zinttoworld;
}
int GetDistToLine(int x1, int y1, int x2, int y2, int x3, int y3);
void ClipMove(vec3_t& pos, sectortype** pSector, int xv, int yv, int wd, int cd, int fd, unsigned int nMask, CollisionBase& hit, int tracecount = 3);
inline void ClipMove(DVector3& pos, sectortype** pSector, int xv, int yv, int wd, int cd, int fd, unsigned int nMask, CollisionBase& hit, int tracecount = 3)
@ -54,6 +62,13 @@ inline void ClipMove(DVector3& pos, sectortype** pSector, int xv, int yv, int wd
ClipMove(ipos, pSector, xv, yv, wd, cd, fd, nMask, hit, tracecount);
pos = { ipos.X * inttoworld, ipos.Y * inttoworld, ipos.Z * zinttoworld };
}
inline void ClipMove(DVector3& pos, sectortype** pSector, const DVector2& vect, int wd, double cd, double fd, unsigned int nMask, CollisionBase& hit, int tracecount = 3)
{
// this uses floats only partially.
vec3_t ipos = { int(pos.X * worldtoint), int(pos.Y * worldtoint), int(pos.Z * zworldtoint)};
ClipMove(ipos, pSector, int(vect.X * worldtoint), int(vect.Y * worldtoint), wd, int(cd * zworldtoint), int(fd * zworldtoint), nMask, hit, tracecount);
pos = { ipos.X * inttoworld, ipos.Y * inttoworld, ipos.Z * zinttoworld };
}
BitArray GetClosestSpriteSectors(sectortype* pSector, const DVector2& pos, int nDist, TArray<walltype*>* pWalls, bool newSectCheckMethod = false);
int picWidth(int nPic, int repeat);
int picHeight(int nPic, int repeat);