OrdinaryMagician/swwmgz_m
OrdinaryMagician/swwmgz_m
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Implement polyobject busting.

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This commit is contained in:
Mari the Deer 2021-09-28 18:43:27 +02:00
commit 8094c98fe5
7 changed files with 323 additions and 8 deletions
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54
zscript/utility/swwm_utility.zsc
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@ -1741,12 +1741,62 @@ Class SWWMUtility
return false, checkme;
}
static bool IsPolyLine( Line l, out swwm_PolyobjectHandle p )
// iterate through polyobjects and see if this line is part of one (returning which, if any)
static bool IsPolyLine( Line l, out swwm_PolyobjectHandle o )
{
// TODO iterate through polyobjects and see if this line is connected to their start line
let pi = swwm_PolyobjectIterator.Create();
swwm_PolyobjectHandle p;
while ( p = pi.Next() )
{
if ( p.Lines.Find(l) >= p.Lines.Size() ) continue;
o = p;
return true;
}
o = null;
return false;
}
// checks if the specified world coordinate is inside the polyobject
// this check is very naive but it should handle most "normal" shapes
// (yeah, sorry if you somehow want to play this mod with lilith.pk3)
static bool PointInPolyobj( Vector2 p, swwm_PolyobjectHandle o )
{
// first pass, find which vertex out of all lines is closest
Vertex v = o.StartLine.v1;
double dist = (v.p-p).length();
for ( int i=0; i<o.Lines.Size(); i++ )
{
Line l = o.Lines[i];
double dist2 = (l.v1.p-p).length();
if ( dist2 < dist )
{
v = l.v1;
dist = dist2;
}
dist2 = (l.v2.p-p).length();
if ( dist2 < dist )
{
v = l.v2;
dist = dist2;
}
}
// second pass, find which two lines share that vertex
// (in theory there should only be two)
Line a = null, b = null;
for ( int i=0; i<o.Lines.Size(); i++ )
{
Line l = o.Lines[i];
if ( (l.v1 == v) || (l.v2 == v) )
{
if ( !a ) a = l;
else if ( !b ) b = l;
else break;
}
}
// is the point behind both lines?
return (PointOnLineSide(p,a) && PointOnLineSide(p,b));
}
// full reset of inventory (excluding collectibles, and optionally resetting the score)
static play void WipeInventory( Actor mo, bool resetscore = false, bool allplayers = false )
{