OrdinaryMagician/vkdoom_m
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- optimized the portal translation functions by precalculating the rotation angle, sine and cosine.

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This commit is contained in:
Christoph Oelckers 2016-03-03 11:58:04 +01:00
commit 14a0567343
5 changed files with 65 additions and 68 deletions
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31
src/p_map.cpp
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@ -1041,8 +1041,8 @@ static bool PIT_CheckPortal(FMultiBlockLinesIterator &mit, FMultiBlockLinesItera
line_t *lp = cres.line->getPortalDestination();
fixed_t zofs = 0;
P_TranslatePortalXY(cres.line, lp, cres.position.x, cres.position.y);
P_TranslatePortalZ(cres.line, lp, zofs);
P_TranslatePortalXY(cres.line, cres.position.x, cres.position.y);
P_TranslatePortalZ(cres.line, zofs);
// fudge a bit with the portal line so that this gets included in the checks that normally only get run on two-sided lines
sector_t *sec = lp->backsector;
@ -2325,14 +2325,13 @@ bool P_TryMove(AActor *thing, fixed_t x, fixed_t y,
}
else if (!portalcrossed)
{
line_t *out = port->mDestination;
fixedvec3 pos = { tm.x, tm.y, thing->Z() };
fixedvec3 oldthingpos = thing->Pos();
fixedvec2 thingpos = oldthingpos;
P_TranslatePortalXY(ld, out, pos.x, pos.y);
P_TranslatePortalXY(ld, out, thingpos.x, thingpos.y);
P_TranslatePortalZ(ld, out, pos.z);
P_TranslatePortalXY(ld, pos.x, pos.y);
P_TranslatePortalXY(ld, thingpos.x, thingpos.y);
P_TranslatePortalZ(ld, pos.z);
thing->SetXYZ(thingpos.x, thingpos.y, pos.z);
if (!P_CheckPosition(thing, pos.x, pos.y, true)) // check if some actor blocks us on the other side. (No line checks, because of the mess that'd create.)
{
@ -2342,8 +2341,8 @@ bool P_TryMove(AActor *thing, fixed_t x, fixed_t y,
}
thing->UnlinkFromWorld();
thing->SetXYZ(pos);
P_TranslatePortalVXVY(ld, out, thing->velx, thing->vely);
P_TranslatePortalAngle(ld, out, thing->angle);
P_TranslatePortalVXVY(ld, thing->velx, thing->vely);
P_TranslatePortalAngle(ld, thing->angle);
thing->LinkToWorld();
P_FindFloorCeiling(thing);
thing->ClearInterpolation();
@ -2355,7 +2354,6 @@ bool P_TryMove(AActor *thing, fixed_t x, fixed_t y,
{
divline_t dl1 = { besthit.oldrefpos.x,besthit. oldrefpos.y, besthit.refpos.x - besthit.oldrefpos.x, besthit.refpos.y - besthit.oldrefpos.y };
fixedvec3a hit = { dl1.x + FixedMul(dl1.dx, bestfrac), dl1.y + FixedMul(dl1.dy, bestfrac), 0, 0 };
line_t *out = port->mDestination;
R_AddInterpolationPoint(hit);
if (port->mType == PORTT_LINKED)
@ -2365,10 +2363,10 @@ bool P_TryMove(AActor *thing, fixed_t x, fixed_t y,
}
else
{
P_TranslatePortalXY(ld, out, hit.x, hit.y);
P_TranslatePortalZ(ld, out, hit.z);
P_TranslatePortalXY(ld, hit.x, hit.y);
P_TranslatePortalZ(ld, hit.z);
players[consoleplayer].viewz += hit.z; // needs to be done here because otherwise the renderer will not catch the change.
P_TranslatePortalAngle(ld, out, hit.angle);
P_TranslatePortalAngle(ld, hit.angle);
}
R_AddInterpolationPoint(hit);
}
@ -3700,7 +3698,6 @@ struct aim_t
aim_t newtrace = Clone();
FLinePortal *port = li->getPortal();
line_t *dest = port->mDestination;
newtrace.toppitch = toppitch;
newtrace.bottompitch = bottompitch;
@ -3708,9 +3705,9 @@ struct aim_t
newtrace.unlinked = (port->mType != PORTT_LINKED);
newtrace.startpos = startpos;
newtrace.aimtrace = aimtrace;
P_TranslatePortalXY(li, dest, newtrace.startpos.x, newtrace.startpos.y);
P_TranslatePortalZ(li, dest, newtrace.startpos.z);
P_TranslatePortalVXVY(li, dest, newtrace.aimtrace.x, newtrace.aimtrace.y);
P_TranslatePortalXY(li, newtrace.startpos.x, newtrace.startpos.y);
P_TranslatePortalZ(li, newtrace.startpos.z);
P_TranslatePortalVXVY(li, newtrace.aimtrace.x, newtrace.aimtrace.y);
newtrace.startfrac = frac + FixedDiv(FRACUNIT, attackrange); // this is to skip the transition line to the portal which would produce a bogus opening
@ -3718,7 +3715,7 @@ struct aim_t
fixed_t y = newtrace.startpos.y + FixedMul(newtrace.aimtrace.y, newtrace.startfrac);
newtrace.lastsector = P_PointInSector(x, y);
P_TranslatePortalZ(li, dest, limitz);
P_TranslatePortalZ(li, limitz);
Printf("-----Entering line portal from sector %d to sector %d\n", lastsector->sectornum, newtrace.lastsector->sectornum);
newtrace.AimTraverse();
SetResult(linetarget, newtrace.linetarget);