public TExSB(Expression ex) : base(ex)
{
bpi = TExPI.Box(Ex.Field(ex, "bpi"));
scale = Ex.Field(ex, "scale");
direction = new TExV2(Ex.Field(ex, "direction"));
velocity = new TExMov(Ex.Field(ex, "movement"));
}
public static BlockExpression LaserRotateLerp(Ex target, Ex source, TExArgCtx bpi, Ex rate)
{
var r1 = rate.Mul(ExC(ETime.FRAME_TIME));
TExV2 v = TExV2.Variable();
TEx <float> ang = ExUtils.VFloat();
var dirKey = bpi.Ctx.NameWithSuffix("_LaserRotateLerpDirKey");
var sideKey = bpi.Ctx.NameWithSuffix("_LaserRotateLerpSideKey");
var inter_ang = HighPass(ExC(0.01f), RadDiff(target, v));
return(Ex.Block(new ParameterExpression[] { v, ang },
Ex.Condition(
bpi.FCtxHas <Vector2>(dirKey).And(bpi.t.GT0()),
Ex.Block(
v.Is(bpi.FCtxGet <Vector2>(dirKey)),
ang.Is(Ex.Condition(bpi.FCtxGet <float>(sideKey).LT0(),
RadToNeg(inter_ang),
RadToPos(inter_ang)
)),
bpi.FCtxSet <Vector2>(dirKey, RotateRad(Limit(r1, ang), v))
),
Ex.Block(
v.Is(source),
ang.Is(RadDiff(target, v)),
bpi.FCtxSet <float>(sideKey, Sign(ang)),
bpi.FCtxSet <Vector2>(dirKey, RotateRad(Limit(r1, ang), v))
)
)
));
}
public static BlockExpression RotateLerp(Ex target, Ex source, TExArgCtx bpi, bool isRate, bool isTrue, Ex rate)
{
if (isRate)
{
rate = rate.Mul(M.degRad);
}
if (isTrue)
{
rate = rate.Mul(ETime.FRAME_TIME);
}
TExV2 v = TExV2.Variable();
TEx <float> ang = ExUtils.VFloat();
Expression[] exprs = new Expression[3];
exprs[1] = ang.Is(RadDiff(target, v));
if (isTrue)
{
var key = bpi.Ctx.NameWithSuffix("_RotateLerpKey");
exprs[0] = v.Is(
Ex.Condition(FiringCtx.Contains <Vector2>(bpi, key),
FiringCtx.GetValue <Vector2>(bpi, key),
FiringCtx.SetValue <Vector2>(bpi, key, source)
));
exprs[2] =
FiringCtx.SetValue <Vector2>(bpi, key, RotateRad(isRate ? (Ex)Limit(rate, ang) : ang.Mul(rate), v));
}
else
{
exprs[0] = v.Is(source);
exprs[2] = RotateRad(isRate ?
(Ex)Limit(bpi.t.Mul(rate), ang) :
ang.Mul(Min(bpi.t.Mul(rate), E1)), v);
}
return(Ex.Block(new ParameterExpression[] { v, ang }, exprs));
}
private Arg(string name, Type texType, TEx expr, bool hasTypePriority)
{
this.name = name;
this.texType = texType;
this.expr = expr;
this.hasTypePriority = hasTypePriority;
}
protected TExSB(ExMode m, string?name) : base(m, name)
{
bpi = TExPI.Box(Ex.Field(ex, "bpi"));
scale = Ex.Field(ex, "scale");
direction = new TExV2(Ex.Field(ex, "direction"));
velocity = new TExMov(Ex.Field(ex, "movement"));
}
public static Ex dLookupSinDeg(TEx <double> angleDeg) => Ex.Field(dLookupCosSinDeg(angleDeg), "y");
public static Ex dLookupCosSinDeg(TEx <double> angleDeg) => dLookupByIndex(dGetDegIndex(angleDeg));
public static Ex dLookupSinRad(TEx <double> angleRad) => Ex.Field(dLookupCosSinRad(angleRad), "y");
public static Ex Add <T>(this TEx <T> tex, float other) => ((Ex)tex).Add(other);
public static Arg Make(string name, TEx expr, bool hasTypePriority) => new Arg(name, expr.GetType(), expr, hasTypePriority);
public static Ex Flatten(this TEx ex) => FlattenVisitor.Flatten(ex);
public static Ex Field <T>(this TEx <T> tex, string field) => Ex.PropertyOrField(tex, field);
public static Ex GT0 <T>(this TEx <T> tex) => ((Ex)tex).GT0();
public static Ex GT <T>(this TEx <T> tex, Ex than) => ((Ex)tex).GT(than);
public static Ex Div <T>(this TEx <T> tex, Ex other) => ((Ex)tex).Div(other);
public static Ex Sub <T>(this TEx <T> tex, Ex other) => ((Ex)tex).Sub(other);
public static Ex Mul <T>(this TEx <T> tex, float other) => ((Ex)tex).Mul(other);
public TExArgCtx Append(string name, TEx ex, bool hasPriority = true)
{
var newArgs = args.Append(Arg.Make(name, ex, hasPriority)).ToArray();
return(new TExArgCtx(this, newArgs));
}
private static Ex dGetRadIndex(TEx <double> angleRad) => Ex.And(angleRad.Mul(ExC(radRatio)).As <int>(), ExC(LookupMask));
public static bool TryAsConst <T>(this TEx <T> tex, out T val) => ((Ex)tex).TryAsConst(out val);
//t = typeof(float) or similar
public static Arg Make <T>(string name, bool hasTypePriority, bool isRef = false)
{
var expr = TEx.MakeParameter <T>(isRef, name);
return(Make(name, expr, hasTypePriority));
}
public static Ex dLookupCosSinRad(TEx <double> angleRad) => dLookupByIndex(dGetRadIndex(angleRad));
private static Ex dGetDegIndex(TEx <double> angleDeg) => Ex.And(angleDeg.Mul(ExC(degRatio)).As <int>(), ExC(LookupMask));
public static Ex Is <T>(this TEx <T> tex, Ex other) => ((Ex)tex).Is(other);
