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- added portal-awareness to the railgun trail.

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This required some changes to the Trace function because it turned out that the original was incapable of collecting the required information:

* actors are now also linked into blockmap blocks on both sides if they occupy the boundary of a sector portal.
* Trace will no longer set up parallel traces in all parts connected with sector portal, but only use one trace and relocate that on the actual boundary.
This commit is contained in:
Christoph Oelckers 2016-04-16 19:41:33 +02:00
commit 0f6a567055
8 changed files with 293 additions and 310 deletions
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9
src/p_map.cpp
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@ -4598,15 +4598,8 @@ void P_RailAttack(FRailParams *p)
rail_data.StopAtInvul = (puffDefaults->flags3 & MF3_FOILINVUL) ? false : true;
rail_data.ThruSpecies = (puffDefaults->flags6 & MF6_MTHRUSPECIES) ? true : false;
// to make things easier, push the start position and directional vector onto the PortalHits array as its first element
SPortalHit phit = { start, start, vec };
rail_data.PortalHits.Push(phit);
Trace(start, source->Sector, vec, p->distance, MF_SHOOTABLE, ML_BLOCKEVERYTHING, source, trace, flags, ProcessRailHit, &rail_data);
// and push the hit position, too, so that the array contains the entire trace with all transition points.
phit = { trace.HitPos, trace.HitPos, trace.HitVector };
rail_data.PortalHits.Push(phit);
// Hurt anything the trace hit
unsigned int i;
FName damagetype = (puffDefaults == NULL || puffDefaults->DamageType == NAME_None) ? FName(NAME_Railgun) : puffDefaults->DamageType;
@ -4709,7 +4702,7 @@ void P_RailAttack(FRailParams *p)
}
// Draw the slug's trail.
P_DrawRailTrail(source, start, rail_data.PortalHits, trace.HitPos, p->color1, p->color2, p->maxdiff, p->flags, p->spawnclass, angle, p->duration, p->sparsity, p->drift, p->SpiralOffset);
P_DrawRailTrail(source, rail_data.PortalHits, p->color1, p->color2, p->maxdiff, p->flags, p->spawnclass, angle, p->duration, p->sparsity, p->drift, p->SpiralOffset);
}
//==========================================================================