/
HeaderTrafos.pas
1652 lines (1590 loc) · 69.2 KB
/
HeaderTrafos.pas
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unit HeaderTrafos;
// All kind of transformations between Header and Light values
// + calc Thread parameters
interface
uses TypeDefinitions, Math3D, Windows;
type
THybridPars = record
start1, end1, repeat1: Integer;
start2, end2, repeat2: Integer;
end;
procedure MakeLightValsFromHeaderLight(Header: TPMandHeader10; Lvals: TPLightVals; ImScale: Double; StereoMode: Integer);
procedure MakeLightValsFromHeaderLightNavi(Header: TPMandHeader10; Lvals: TPLightValsNavi; ImScale: Double);
function GetMCTparasFromHeader(var Header: TMandHeader10; bIniCalcMaps: LongBool): TMCTparameter;
//procedure MakeLightVals(H1, H2: TMandHeader10; var L1, L2: TLightVals);
procedure AssignLightVal(Ldest, Lsource: TPLightVals);
procedure AssignHeader(H1, H2: TPMandHeader10);
function isSingleF(HA: PTHeaderCustomAddon; var FirstIndex: Integer): LongBool;
procedure IniCFsFromHAddon(PHaddon: PTHeaderCustomAddon; PHCustomF: array of Pointer);
procedure Ini1CFfromHAddon(PHaddon: PTHeaderCustomAddon; PHCustomF: PTCustomFormula; i: Integer);
procedure CalcVGradsFromHeader8rots(Header: TPMandHeader10);
procedure GetHAddOnFromInternFormula(PMHeader: TPMandHeader10; f, t: Integer);
procedure NormVGrads(Header: TPMandHeader10);
function LengthOfSize(Header: TPMandHeader10): Double;
procedure CalcHSVecsFromLights(Lvals: TPLightVals; MCTpars: PMCTparameter);
function GetDEstopFactor(Header: TPMandHeader10): Double;
function CalcCamPos(Header: TPMandHeader10): TVec3D;
procedure StereoChange(Header: TPMandHeader10; Mode: Integer; var midPos: TVec3D; pMatrix: TPMatrix3);
function CalcXoff(Header: TPMandHeader10): Single;
procedure CalcPosLightsRelPos(Header: TPMandHeader10; Lvals: TPLightVals);
procedure CalcSCstartAndSCmul(Header: TPMandHeader10; var sCStart, sCmul: Single; bIsInside: LongBool);
function GetRealMidPos(Header: TPMandHeader10): TVec3D;
function CalcViewVecH(x, y: Single; header: TPMandHeader10): TVec3D;
procedure CheckDEoption(const startNr, endNr: Integer; pHCA: PTHeaderCustomAddon;
const PHCustomF: array of Pointer; var DEoption: Integer);
//procedure GetHybridPars(var HybridPars: THybridPars; pHCA: PTHeaderCustomAddon);
//procedure CalcPosLightsRelPosAni(Header: TPMandHeader10; Lvals: TPLightVals);
var calcHybridCustoms: array[0..5] of TCustomFormula;
bGetMCTPverbose: LongBool = True;
const
InternFormulaNames: array[0..9] of AnsiString = ('Integer Power', 'Real Power',
'Quaternion', 'Tricorn', 'Amazing Box', 'Bulbox', 'Folding Int Pow','test',
'testIFS', 'Aexion C');
InternFormulaMax: Integer = 9;
implementation
uses Math, DivUtils, formulas, CustomFormulas, Mand, SysUtils, LightAdjust,
Navigator, Animation, Interpolation, PaintThread, Types, DOF, Tiling,
FileHandling, Calc, Maps{, OTrapDEcalc};
function GetDEstopFactor(Header: TPMandHeader10): Double;
var x1, x2, ze: Double;
begin
with Header^ do
begin
CalcStepWidth(Header);
ze := MaxCD(1e-16, (dZend - dZstart) / dStepWidth);
if bPlanarOptic = 2 then
x1 := s001 * Height / (Sin(s001) * Pi)
else
x1 := s001 * Height / (Sin(s001) * MaxCD(d1d65535, dFOVy * Pid180)); //relative camdistance, fixed sin
x2 := dStepWidth * (x1 + ze) / x1; // stepwidth at Zend
Result := (x2 - dStepWidth) / (dStepWidth * MaxCD(d1d6, ze));
end;
end;
//0..1
function CalcViewVecH(x, y: Single; header: TPMandHeader10): TVec3D;
var CAFX, CAFY, FOVXmul, FOVy, d: Double;
VGrads: TMatrix3;
begin
with header^ do
begin
CalcStepWidth(Header);
VGrads := NormaliseMatrixTo(dStepWidth, @hVGrads);
if bPlanarOptic = 2 then
begin
FOVy := Pi;
FOVXmul := PiM2;
end
else
begin
FOVy := dFOVy * Pid180;
FOVXmul := FOVy * Width / Height;
end;
CAFX := (CalcXoff(Header) - x) * FOVXmul;
CAFY := (y - s05) * FOVy;
if bPlanarOptic = 1 then
begin
Result[0] := -CAFX;
Result[1] := CAFY;
d := MinCS(1.5, MaxCS(s001, FOVy * s05));
Result[2] := Cos(d) * d / Sin(d);
NormaliseVectorVar(Result);
end
else if bPlanarOptic = 2 then
BuildViewVectorDSphereFOV(CAFY, CAFX, @Result)
else BuildViewVectorDFOV(CAFY, CAFX, @Result);
RotateVectorReverse(@Result, @VGrads);
end;
end;
function CalcCamPos(Header: TPMandHeader10): TVec3D;
var VPoff, startoff, s, c: Double;
v: TVec3D;
begin
with Header^ do
begin
CalcStepWidth(Header);
if bStereoMode = 2 then VPoff := 0 else
begin
SinCosD(MinCD(Abs(dFOVy), 180) * Pid180 * s05, s, c);
VPoff := dStepWidth * Height * s05 * c / MaxCD(0.01, s); //offset viewplane to campos ..here mindist add?
end;
startoff := dZstart - dZmid - VPoff; //Zoffset campos to Zmid
Result := GetRealMidPos(Header);
v := CalcViewVecH(s05, s05, Header); //normed to dStepWidth!
mAddVecWeight(@Result, @v, startoff / dStepWidth);
end;
end;
function CalcXoff(Header: TPMandHeader10): Single;
var Xoff: Double;
begin
with Header^ do
begin
Xoff := -0.065 / MaxCD(d1em100, StereoScreenWidth);
Result := s05;
case Header.bStereoMode of
1: Result := s05 + Xoff;
3: Result := s05 * (1 - Xoff);
4: Result := s05 * (1 + Xoff);
end;
end;
end;
function GetRealMidPos(Header: TPMandHeader10): TVec3D;
var eyedist, Xadd: Double;
v: TVec3D;
begin
with Header^ do
begin
CalcStepWidth(Header);
v := NormaliseVectorTo(dStepWidth, TPVec3D(@hVGrads)^);
eyedist := -0.065 * Width * StereoScreenDistance / (StereoMinDistance * StereoScreenWidth);
Xadd := 0;
case Header.bStereoMode of
1: Xadd := eyedist * (StereoScreenDistance - StereoMinDistance) / StereoScreenDistance; //very left from midpos
3: Xadd := -0.5 * eyedist * (StereoScreenDistance - StereoMinDistance) / StereoScreenDistance; //right
4: Xadd := s05 * eyedist * (StereoScreenDistance - StereoMinDistance) / StereoScreenDistance; //left
end; //dest, src, add
mCopyAddVecWeight(@Result, TPVec3D(@dXmid), @v, Xadd);
end;
end;
procedure StereoChange(Header: TPMandHeader10; Mode: Integer; var midPos: TVec3D; pMatrix: TPMatrix3);
var eyedist, Xadd: Double;
v: TVec3D;
begin
with Header^ do
begin
CalcStepWidth(Header);
v := NormaliseVectorTo(dStepWidth, TPVec3D(pMatrix)^);
eyedist := 0.065 * Width * StereoScreenDistance / MaxCD(d1em100, (StereoMinDistance * StereoScreenWidth));
Xadd := 0;
case Mode of
1: Xadd := -eyedist * (StereoScreenDistance - StereoMinDistance) / StereoScreenDistance; //very left from midpos
3: Xadd := s05 * eyedist * (StereoScreenDistance - StereoMinDistance) / StereoScreenDistance; //right
4: Xadd := -0.5 * eyedist * (StereoScreenDistance - StereoMinDistance) / StereoScreenDistance; //left
end; //dest, src, add
mCopyAddVecWeight(@midPos, TPVec3D(@dXmid), @v, Xadd);
end;
end;
procedure Ini1CFfromHAddon(PHaddon: PTHeaderCustomAddon; PHCustomF: PTCustomFormula; i: Integer);
var dOptionVtmp: array[0..15] of Double;
j: Integer;
begin
with PHaddon.Formulas[i] do
begin
if (iFnr <= InternFormulaMax) and (iFnr >= 0) then
begin
SetCFoptionsFromOldF(iFnr, PHCustomF);
PutStringInCustomF(CustomFname, InternFormulaNames[iFnr]);
end
else if (iFnr > 0) and (CustomFname[0] > 0) and LoadCustomFormulaFromHeader(CustomFname, PHCustomF^, dOptionVtmp) then
begin
iFnr := 20;
if iOptionCount < PHCustomF.iCFOptionCount then
begin //fill all above loadedcount with defaults when loading formula
if AnsiCompareText(CustomFtoStr(CustomFname), 'CylinderIFS') = 0 then
begin
if iOptionCount < 9 then
begin
dOptionValue[8] := dOptionValue[7];
dOptionValue[7] := 0;
if iOptionCount < 8 then dOptionValue[6] := 0;
iOptionCount := 9;
end;
end
else if AnsiCompareText(CustomFtoStr(CustomFname), 'SphereHeightMap') = 0 then
begin
for j := PHCustomF.iCFOptionCount - 1 downto 9 do
begin
dOptionValue[j] := dOptionValue[j - 1];
end;
dOptionValue[8] := 1;
dOptionValue[2] := dOptionValue[2] / NotZero(dOptionValue[5]);
dOptionValue[3] := dOptionValue[3] / NotZero(dOptionValue[6]);
iOptionCount := PHCustomF.iCFOptionCount;
end;
for j := iOptionCount to PHCustomF.iCFOptionCount - 1 do //ini rest of values with defaults (Vtmp)
dOptionValue[j] := dOptionVtmp[j];
iOptionCount := PHCustomF.iCFOptionCount;
end;
end
else
begin
iItCount := 0;
iOptionCount := 0;
iFnr := -1;
CustomFname[0] := 0;
Exit;
end;
CopyTypeAndOptionFromCFtoHAddon(PHCustomF, PHaddon, i);
end;
end;
procedure GetHAddOnFromInternFormula(PMHeader: TPMandHeader10; f, t: Integer);
var i: Integer;
pCF: PTCustomFormula;
const
oa: array[0..9, 0..1] of Double = ((8,-1),(8,-1),(-1,0),(-2,1),(2,0.5),(2,0.5),(2,-1),(-1,0),(0,0),(8,1));
begin
if f <= InternFormulaMax then
with PTHeaderCustomAddon(PMHeader.PCFAddon).Formulas[t] do
begin
iFnr := f;
pCF := PTCustomFormula(PMHeader.PHCustomF[t]);
SetCFoptionsFromOldF(f, pCF);
for i := 0 to 1 do dOptionValue[i] := oa[f][i];
for i := 2 to 15 do dOptionValue[i] := 0;
for i := 0 to 15 do byOptionType[i] := pCF.byOptionTypes[i];
iOptionCount := pCF.iCFOptionCount;
if f = 4 then dOptionValue[2] := 1 //Box
else if f = 5 then //BulBox
begin
dOptionValue[2] := 1;
dOptionValue[3] := 1;
dOptionValue[4] := 2;
dOptionValue[5] := 2;
end
else if f = 6 then dOptionValue[2] := 2
else if f = 7 then
begin
for i := 0 to testhybridOptionCount - 1 do dOptionValue[i] := testhybridOptionVals[i];
end
else if f = 8 then
begin
for i := 0 to testIFSOptionCount - 1 do dOptionValue[i] := testIFSOptionVals[i];
end
else if f = 9 then //Aexion C [Power, Z mul, Enable RotC (0,1), Cond Phi (0,1), Power C, Cz mul, PowC on dist Z-C, Mod (0,1)]
begin
dOptionValue[2] := 1;
dOptionValue[3] := 1;
dOptionValue[4] := 8;
dOptionValue[5] := 1;
end;
PutStringInCustomF(CustomFname, InternFormulaNames[f]);
CFdescription := CFdescriptionIntern[f];
end;
end;
procedure IniCFsFromHAddon(PHaddon: PTHeaderCustomAddon; PHCustomF: array of Pointer);
var i, i2: Integer;
begin
if (PHaddon.bOptions1 and 3) = 1 then i2 := 1 else i2 := 5;
for i := 0 to i2 do Ini1CFfromHAddon(PHaddon, PHCustomF[i], i);
end;
procedure AssignHeader(H1, H2: TPMandHeader10);
var p6: TP6;
begin
SaveHeaderPointers(H1, p6);
H1^ := H2^;
InsertHeaderPointers(H1, p6);
PTHeaderCustomAddon(H1.PCFAddon)^ := PTHeaderCustomAddon(H2.PCFAddon)^;
end;
procedure NormVGrads(Header: TPMandHeader10);
begin
CalcStepWidth(Header);
with Header^ do hVGrads := NormaliseMatrixTo(dStepWidth, @hVGrads);
end;
function LengthOfSize(Header: TPMandHeader10): Double;
begin
with Header^ do Result := Sqrt(Sqr(Width) + Sqr(Height));
end;
procedure AssignLightVal(Ldest, Lsource: TPLightVals);
begin
Ldest^ := Lsource^;
Ldest.PLValigned := TPLValigned((Integer(@Ldest.LColSbuf[0]) + 15) and $FFFFFFF0);
Ldest.PLValigned^ := Lsource.PLValigned^;
end;
procedure CalcVGradsFromHeader8rots(Header: TPMandHeader10);
var Esin1, Esin2, Esin3, Ecos1, Ecos2, Ecos3: Double;
step, x1, x2, y1, y2, z1, z2: Double;
i: Integer;
begin
with Header^ do //calculate Vectors from Rotation settings
begin
SinCosD(dXWrot, Esin1, Ecos1); // Y-Z rotation (X axis)
SinCosD(dYWrot, Esin2, Ecos2); // X-Z rotation (Y axis)
SinCosD(dZWrot, Esin3, Ecos3); // X-Y rotation (Z axis)
step := 2.1345 / (dZoom * Width);
if bCalc3D > 0 then
step := step * (s001 + Abs(Cos(Max(-1.25, Min(1.25, dFOVy)) * s05)));
for i := 0 to 2 do
begin
x1 := 0;
y1 := 0;
z1 := 0;
case i of
0: x1 := step; // calculate gradients in X direction
1: y1 := step; // calculate gradients in Y direction
2: z1 := step; // calculate gradients in Z direction
end;
x2 := x1; // rotate X axis
y2 := Ecos1 * y1 + Esin1 * z1;
z2 := Ecos1 * z1 - Esin1 * y1;
x1 := Ecos2 * x2 + Esin2 * z2; // rotate Y axis
y1 := y2;
z1 := Ecos2 * z2 - Esin2 * x2;
PDouble(Integer(@hVGrads[0,0]) + i * 24)^ := Ecos3 * x1 + Esin3 * y1; // rotate Z axis
PDouble(Integer(@hVGrads[0,1]) + i * 24)^ := Ecos3 * y1 - Esin3 * x1;
PDouble(Integer(@hVGrads[0,2]) + i * 24)^ := z1;
end;
end;
end;
function isSingleF(HA: PTHeaderCustomAddon; var FirstIndex: Integer): LongBool;
var i, j: Integer;
begin
i := 0;
FirstIndex := -1;
for j := 0 to 5 do if HA.Formulas[j].iItCount > 0 then
begin
Inc(i);
if FirstIndex = -1 then FirstIndex := j;
end;
Result := (i < 2);
if Result and (HA.bOptions1 = 2) then FirstIndex := -1; //not a valid formula option, need 2nd formula
end;
{procedure GetHybridPars(var HybridPars: THybridPars; pHCA: PTHeaderCustomAddon);
var x: Integer;
begin
with HybridPars do
begin
start1 := 0;
if (pHCA.bOptions1 and 3) = 1 then
begin //ipol hybrid
end1 := 0;
repeat1 := 0;
start2 := 1;
end2 := 1;
repeat2 := 1;
Exit;
end;
// else
begin
x := 5;
while (x > 0) and (pHCA.Formulas[x].iItCount = 0) do Dec(x);
end1 := Min(x, pHCA.bHybOpt1 and 7);
start2 := Max(end1 + 1, Min(x, pHCA.bHybOpt2 and 7));
end2 := Max(start2, Min(x, (pHCA.bHybOpt2 shr 4) and 7));
repeat2 := Max(start2, Min(end2, (pHCA.bHybOpt2 shr 8) and 7)); //start2, end2, repeat2 3x 4bit
if (pHCA.bOptions1 and 3) = 0 then end1 := x;
x := end1;
while (x > 0) and (pHCA.Formulas[x].iItCount <= 0) do Dec(x);
repeat1 := Min(x, pHCA.bHybOpt1 shr 4);
if (pHCA.bOptions1 and 3) = 2 then
begin
x := 5;
while (x > start2) and (pHCA.Formulas[x].iItCount <= 0) do Dec(x);
repeat2 := Min(x, repeat2);
end;
end;
pHCA.bHybOpt1 := end1 or (repeat1 shl 4);
pHCA.bHybOpt2 := start2 or (end2 shl 4) or (repeat2 shl 8);
end;
end; }
procedure CheckDEoption(const startNr, endNr: Integer; pHCA: PTHeaderCustomAddon;
const PHCustomF: array of Pointer; var DEoption: Integer);
var i, de, difsShapes: Integer;
begin
DEoption := -1;
for i := startNr to endNr do if pHCA.Formulas[i].iItCount > 0 then
begin
de := PTCustomFormula(PHCustomF[i]).iDEoption;
if (de < 0) or (de > 20) or (DEoption = de) then Continue;
if de = 20 then Inc(difsShapes);
if ((DEoption in [0..19]) and (de > 19)) or ((DEoption > 19) and (de in [0..19])) then
begin
DEoption := -1;
Break;
end
else
case DEoption of
-1: DEoption := de;
2: if not (de in [2,5,6,11]) then DEoption := 0;
4: if not (de in [5,6]) then DEoption := 0;
5: if de = 4 then DEoption := 4 else if de in [2,11] then DEoption := 2 else if de <> 6 then DEoption := 0;
6: if de in [2,4,5,11] then DEoption := de else DEoption := 0;
11: if de in [2,5] then DEoption := 2 else if de <> 6 then DEoption := 0;
end;
end;
if DEoption > 19 then
if difsShapes = 0 then DEoption := -1 else DEoption := 20;
end;
procedure CheckFormulaOptions(const startNr, endNr: Integer; pHCA: PTHeaderCustomAddon;
const PHCustomF: array of Pointer; var DEoption: Integer;
var MandFunctionDE: TMandFunctionDE; var MandFunction: TMandFunction;
var nHybrid: array of Integer; const bDisableADE: LongBool);
var i, de, difsShapes, LastValidF, LastF: Integer;
begin
DEoption := -1;
difsShapes := 0;
LastValidF := startNr;
LastF := startNr;
for i := startNr to endNr do if nHybrid[i] <> 0 then
begin
LastF := i;
de := PTCustomFormula(PHCustomF[i]).iDEoption;
if (de < 0) or (de > 20) then nHybrid[i] := -Abs(nHybrid[i])
else LastValidF := i;
if (de < 0) or (DEoption = de) then Continue;
if de = 20 then Inc(difsShapes);
if ((DEoption in [0..19]) and (de > 19)) or ((DEoption > 19) and (de in [0..19])) then
begin
DEoption := -1;
Mand3DForm.OutMessage('Error, mixing of dIFS with other formulas will not work!');
Break;
end
else
case DEoption of
-1,21,22: DEoption := de;
2: if not (de in [2,5,6,11]) then DEoption := 0;
4: if not (de in [5,6]) then DEoption := 0;
5: if de = 4 then DEoption := 4 else if de in [2,11] then DEoption := 2 else if de <> 6 then DEoption := 0;
6: if de in [2,4,5,11] then DEoption := de else DEoption := 0;
11: if de in [2,5] then DEoption := 2 else if de <> 6 then DEoption := 0;
end;
if bDisableADE then
case DEoption of
2,11: DEoption := 0;
5,6: DEoption := 4;
end;
end;
if startNr < (pHCA.bHybOpt2 and 7) then
begin
if LastValidF < (pHCA.bHybOpt1 shr 4) then pHCA.bHybOpt1 := (pHCA.bHybOpt1 and 7) or (LastValidF shl 4);
if (pHCA.bOptions1 = 2) and (pHCA.bOptions3 = 5) and ((DEoption < 0) or (DEoption > 20)) then
for i := startNr to endNr do if nHybrid[i] <> 0 then
begin
nHybrid[i] := Abs(nHybrid[i]);
DEoption := Max(0, PTCustomFormula(PHCustomF[i]).iDEoption);
Inc(difsShapes);
Break;
end;
end //mix
else
begin
if LastValidF < (pHCA.bHybOpt2 shr 8) then pHCA.bHybOpt2 := (pHCA.bHybOpt2 and $77) or (LastValidF shl 8);
pHCA.bHybOpt2 := (pHCA.bHybOpt2 and $707) or (LastF shl 4);
end;
if DEoption > 19 then
begin
if difsShapes = 0 then
begin
DEoption := -1;
Mand3DForm.OutMessage('Error, no dIFS shape formula selected.');
end
else DEoption := 20;
end;
MandFunction := fIsMemberAlternating;
MandFunctionDE := fIsMemberAlternatingDE;
case DEoption of
4..6: begin
MandFunctionDE := doHybrid4DDEPas;
MandFunction := fIsMemberAlternating4D;
end;
20: MandFunctionDE := doHybridIFS3D;// MandFunction := doHybridIFS3D; end;
end;
end;
{DEoption: [0,1]: 3D
[2,11] = 3D ADE [11] ABox
[4]: 4D
[5,6]: 4D ADE [6] ABox
[20..22]: dIFS [20] dIFS shapes}
function GetMCTparasFromHeader(var Header: TMandHeader10; bIniCalcMaps: LongBool): TMCTparameter;
var x1, x2, y1, z1, z2: Double;
n, x, i, j, ia, i52, itmp: Integer;
bIsInterpolHybrid, bDisableADE, bIsDEcomb, bTmp, bSecondPart: LongBool;
TileRect: TRect;
Crop: Integer;
PCFA: PTHeaderCustomAddon;
begin //calcHybridFormulas -> usage of own calcformulas! ->formulaclass
with Header do
begin
PCFA := PTHeaderCustomAddon(PCFAddon);
CheckHybridOptions(PCFA);
//GetHybridPars(HybridPars, PCFAddon);
Result.StartFrom1 := 0;
Result.wEndTo := PCFA.bHybOpt1 and 7;
Result.RepeatFrom1 := PCFA.bHybOpt1 shr 4;
Result.StartFrom2 := PCFA.bHybOpt2 and 7;
Result.iEnd2 := (PCFA.bHybOpt2 shr 4) and 7;
Result.RepeatFrom2 := (PCFA.bHybOpt2 shr 8) and 7;
Result.CalcDE := CalcDEfull;
Result.iSmNormals := (iOptions shr 6) and 15;
Result.msDEstop := MaxCS(s0001, sDEstop);
Result.DEstop := Result.msDEstop;
Result.sZstepDiv := MaxCS(0.0001, mZstepDiv);
Result.iDEAddSteps := bStepsafterDEStop;
Result.iMandHeight := Height;
Result.iMandWidth := Width;
if Header.TilingOptions <> 0 then
GetTilingInfosFromHeader(@Header, Result.CalcRect, Crop)
else Result.CalcRect := Rect(0, 0, Width - 1, Height - 1);
Result.SLoffset := GetTileSize(@Header).X * SizeOf(TsiLight5);
Result.SLoffsetExt := GetTileSize(@Header).X * SizeOf(TMCrecordExt);
StereoChange(@Header, bStereoMode, TPVec3D(@Result.Xmit)^, @hVgrads);
Result.bInsideRendering := (PCFA.bOptions2 and 6) <> 0;
Result.bInAndOutside := (PCFA.bOptions2 and 4) <> 0;
Result.bCalcInside := Result.bInsideRendering;
if bPlanarOptic = 2 then Result.FOVy := Pi else Result.FOVy := dFOVy * Pid180;
Result.iMaxIt := Iterations;
Result.iMinIt := Min(Iterations, MinimumIterations);
Result.iMaxitF2 := iMaxItsF2;
Result.calc3D := bCalc3D <> 0;
Result.ColorOption := Min(5, byColor2Option); //(Light.TBoptions and $20000) shr 17; // for navigator + new color choices 0..6
Result.ColorOnIt := bColorOnIt;
Result.calcHardShadow := bCalculateHardShadow or (bCalc1HSsoft shl 8);
Result.dRstop := Sqr(RStop);
Result.Rstop3D := Sqr(Result.dRstop) * 64;
Result.iCutOptions := bCutOption;
FastMove(dCutX, Result.dCOX, 24);
Result.bDoJulia := bIsJulia <> 0;
FastMove(dJx, Result.dJUx, 24);
Result.dJUw := dJw;
Result.dDEscale := 1;
Result.pAl16vars := PAligned16;
Result.bVaryDEstop := (bVaryDEstopOnFOV <> 0);
Result.Vgrads := hVGrads;
Result.DEAOmaxL := sDEAOmaxL;
Result.DEmixCol := DEmixColorOption;
Result.FmixPow := sFmixPow;
Result.SoftShadowRadius := ShortFloatToSingle(@MCSoftShadowRadius);
Result.iSliceCalc := bSliceCalc; // default=mid, must set properly by procedure after getMCT
Result.MCTCameraOptic := Min(2, bPlanarOptic and 3);
// Result.bDoubleCheck := (iOptions and 2) > 0;
Result.sHSmaxLengthMultiplier := HSmaxLengthMultiplier;
Result.AOdither := AODEdithering;
Result.bCalcAmbShadow := (bCalcAmbShadowAutomatic and 1) <> 0;
x1 := Min(1.5, Max(s001, Result.FOVy * s05));
Result.mctPlOpticZ := Cos(x1) * x1 / Sin(x1);
Result.DFogOnIt := bDFogIt;
if (bVolLightNr and 7) > 0 then Result.DFogOnIt := 65535;
n := Min(5, Max(0, (bVolLightNr and 7) - 1));
if (Light.Lights[n].Loption and 4) <> 0 then //poslight
Result.VLmul := 1000 * ShortFloatToSingle(@Light.Lights[n].Lamp) / Width else
Result.VLmul := 300 * ShortFloatToSingle(@Light.Lights[n].Lamp) / Width;
Result.VLstepmul := Sqrt(1 / (1 + 0.1 * ((bVolLightNr shr 4) - 2)));
Result.FOVXoff := CalcXoff(@Header) * Width;
if bPlanarOptic = 2 then Result.FOVXmul := PiM2 / Width else Result.FOVXmul := Result.FOVy / Height;
MakeCustomFsFromHeader(Header);
bIsInterpolHybrid := (PCFA.bOptions1 and 3) = 1;
if bIsInterpolHybrid then i52 := 1 else i52 := 5;
bIsDEcomb := (PCFA.bOptions1 and 3) = 2;
if bIsDEcomb then Result.FormulaType := Min(6 , Max(1, PCFA.bOptions3 + 1))
else Result.FormulaType := 0;
bDisableADE := (PCFA.bOptions2 and 1) <> 0;
if not bIsDEcomb then Result.iMaxitF2 := Result.iMaxIt;
if bIsInterpolHybrid then
begin
Result.wEndTo := 1;
CheckDEoption(0, 1, PCFA, PHCustomF, Result.DEoption);
Result.DEoption2 := Result.DEoption;
if Result.DEoption in [4..6] then
begin
Result.mMandFunction := doInterpolHybridPas4D;
Result.mMandFunctionDE := doInterpolHybridPas4DDE;
end
else
begin
Result.mMandFunction := fIsMemberIpol;
Result.mMandFunctionDE := fIsMemberIpolDE;
end;
Result.mMandFunction2 := Result.mMandFunction;
Result.mMandFunctionDE2 := Result.mMandFunctionDE;
Result.IsCustomDE := Result.DEoption in [2,5,6,11];
Result.IsCustomDE2 := Result.IsCustomDE;
if Result.isCustomDE then Result.CalcDE := CalcDEanalytic
else Result.CalcDE := CalcDEnoADE;
n := -2;
if Result.DEoption in [20..22] then
Mand3DForm.OutMessage('Error, dIFS do not work in interpolation hybrid.')
else for x := 0 to 1 do
if PTHeaderCustomAddon(PCFAddon).Formulas[x].iFnr >= 0 then Inc(n);
x1 := PSingle(@PCFA.Formulas[0].iItCount)^;
x2 := PSingle(@PCFA.Formulas[1].iItCount)^;
y1 := x1 + x2;
if y1 < 1e-10 then
begin
y1 := 1;
x1 := 1;
x2 := 0;
end
else y1 := 1 / y1;
PSingle(@Result.nHybrid[0])^ := x1 * y1;
PSingle(@Result.nHybrid[1])^ := x2 * y1;
end
else
begin
isSingleF(PCFA, n);
for x := 0 to 5 do Result.nHybrid[x] := PCFA.Formulas[x].iItCount;
CheckFormulaOptions(0, Result.wEndTo, PCFA, PHCustomF, Result.DEoption,
Result.mMandFunctionDE, Result.mMandFunction, Result.nHybrid, bDisableADE);
if (PCFA.bHybOpt1 shr 4) < Result.RepeatFrom1 then
Result.RepeatFrom1 := Min(Result.RepeatFrom1, PCFA.bHybOpt1 shr 4);
Result.IsCustomDE := Result.DEoption in [2,5,6,11,20];
// if (Result.DEoption <> 20) and bDisableADE then Result.IsCustomDE := False;
if not bIsDEcomb then Result.DEoption2 := 0 else
begin
CheckFormulaOptions(Result.StartFrom2, 5{Result.iEnd2}, PCFA,
PHCustomF, Result.DEoption2, Result.mMandFunctionDE2,
Result.mMandFunction2, Result.nHybrid, bDisableADE);
Result.IsCustomDE2 := Result.DEoption2 in [2,5,6,11,20];
// if (Result.DEoption2 <> 20) and bDisableADE then Result.IsCustomDE2 := False;
if Result.FormulaType > 5 then
begin
if Result.DEoption2 <> 20 then
begin
Mand3DForm.OutMessage('Error, second hybrid type must be dIFS.');
Result.bMCTisValid := False;
end
else Result.mMandFunctionDE2 := doHybridIFS3DnoVecIni;
end;
end;
if bIsDEcomb then Result.CalcDE := CalcDEfull else
if Result.isCustomDE then Result.CalcDE := CalcDEanalytic
else Result.CalcDE := CalcDEnoADE;
end;
with Result do
begin
bMCTisValid := (n >= 0) and (DEoption >= 0) and ((DEoption2 >= 0) or not bIsDEcomb);
if ((DEoption = 20) or (DEoption2 = 20)) and not SupportSSE2 then
begin
bMCTisValid := False;
Mand3DForm.OutMessage('Error, CPU must support SSE2 for dIFS.');
Exit;
end;
if bMCTisValid then
begin
dColPlus := 0; //for am.box color vary on scale
dDEscale := 1;
dDEscale2 := 1;
n := 0; //calc DEscale
x1 := 0;
y1 := 0;
i := 0; //for both hybrid parts..
ia := 0;
itmp := 0;
for x := 0 to i52 do
begin
if bIsInterpolHybrid or (nHybrid[x] <> 0) then
begin
fHPVar[x] := PTCustomFormula(PHCustomF[x]).pConstPointer16;
if bIsInterpolHybrid or (nHybrid[x] > 0) then
begin
if PTCustomFormula(PHCustomF[x]).dSIpow > 1 then
z1 := PTCustomFormula(PHCustomF[x]).dSIpow
else //if PTHeaderCustomAddon(PCFAddon).Formulas[x].byOptionType[0] in [0, 14] then
z1 := PCFA.Formulas[x].dOptionValue[0]; //must be smarter , check name (pow, scale)
Result.fHln[x] := 1 / Ln(MaxCD(2, Abs(z1)));
end
else Result.fHln[x] := 1 / Ln(2);
bSecondPart := x > wEndTo;
if bSecondPart then bTmp := IsCustomDE2 else bTmp := IsCustomDE;
if bSecondPart and (itmp = 0) then
begin
Inc(itmp);
if (n > 0) and (DEoption <> 20) then
begin
dDEscale := x1 / n;
if i > 0 then dColPlus := Power(Abs(y1 / i), 0.25) * 40 - 49;
ia := i;
end;
n := 0;
x1 := 0;
y1 := 0;
i := 0;
end;
AssignCustomFormula(@calcHybridCustoms[x], PTCustomFormula(PHCustomF[x]));
fHybrid[x] := ThybridIteration2(calcHybridCustoms[x].pCodePointer);
if bIsInterpolHybrid then z1 := PSingle(@nHybrid[x])^
else z1 := Abs(nHybrid[x]);
j := PTCustomFormula(PHCustomF[x]).iDEoption;
if bTmp and (bIsInterpolHybrid or (nHybrid[x] > 0)) and (j in [5,11]) then
begin
if bIsInterpolHybrid then Inc(n) else n := n + Abs(nHybrid[x]);
if bIsInterpolHybrid then Inc(i) else i := i + Abs(nHybrid[x]);
x2 := NotZero(PDouble(Integer(calcHybridCustoms[x].pConstPointer16) - 16)^);
if x2 < 0 then x1 := x1 + 0.65 * z1
else x1 := x1 + (x2 * 1.2 + 1) / x2 * z1;
y1 := y1 + Abs(x2) * z1;
end
else if bIsInterpolHybrid or (PTCustomFormula(PHCustomF[x]).iDEoption >= 0) then
begin
if bIsInterpolHybrid then Inc(n) else n := n + Abs(nHybrid[x]);
if bTmp then x1 := x1 + PTCustomFormula(PHCustomF[x]).dADEscale * z1
else x1 := x1 + PTCustomFormula(PHCustomF[x]).dDEscale * z1;
if (PCFA.Formulas[x].iFnr = 4) and not bTmp then
begin
ThybridIteration(calcHybridCustoms[x].pCodePointer) := fHybridCube;
fHybrid[x] := ThybridIteration2(calcHybridCustoms[x].pCodePointer);
end;
end;
if (not bIsInterpolHybrid) and (nHybrid[x] < 0) then
nHybrid[x] := Abs(nHybrid[x]) or -2147483648; //-> $80000000; set high bit only, not negative!
end
else
begin
if calcHybridCustoms[x].bCPmemReserved then
VirtualFree(calcHybridCustoms[x].pCodePointer, 4096, MEM_DECOMMIT);
ThybridIteration(calcHybridCustoms[x].pCodePointer) := EmptyFormula;
calcHybridCustoms[x].bCPmemReserved := False;
end;
end;
for x := i52 + 1 to 5 do
begin
if calcHybridCustoms[x].bCPmemReserved then
VirtualFree(calcHybridCustoms[x].pCodePointer, 4096, MEM_DECOMMIT);
ThybridIteration(calcHybridCustoms[x].pCodePointer) := EmptyFormula;
calcHybridCustoms[x].bCPmemReserved := False;
end;
if (bIsDEcomb or (itmp = 0)) and (n > 0) and (DEoption2 <> 20) then
begin
if bIsInterpolHybrid then n := 1;
dDEscale2 := x1 / n;
if (i > ia) then dColPlus := Power(Abs(y1 / i), 0.25) * 40 - 49;
if itmp = 0 then result.dDEscale := result.dDEscale2;
end;
mctColorMul := sColorMul * 512; //LLI multiplier
CalcPPZvals(Header, Zcorr, ZcMul, Zend);
sZZstmitDif := Zend;
StepWidth := dStepWidth;
Zend := MaxCD(1e-10, (dZend - dZstart) / StepWidth);
mctColVarDEstopMul := 0.6; // calc parameter for keeping the colortabindex constant on zooming in (more or less)
{ if bIsInterpolHybrid then
begin
x2 := 0;
for x := 0 to 1 do if PSingle(@nHybrid[x])^ > 0 then
begin
y1 := PSingle(@nHybrid[x])^;
x2 := x2 + y1; //?? plenty
if PTCustomFormula(PHCustomF[x]).iDEoption in [1..3, 5..40] then
if PCFA.Formulas[x].byOptionType[0] in [0, 14] then
begin
x1 := PDouble(Integer(calcHybridCustoms[x].pConstPointer16) - 16)^;
if x1 > 1 then mctColVarDEstopMul := mctColVarDEstopMul + y1 * s05 / (ln(x1) + 0.03)
else if x1 < -1 then mctColVarDEstopMul := mctColVarDEstopMul + y1 * s05 / (ln(-x1) + 0.03)
else x2 := x2 - y1;
end
else if PTCustomFormula(PHCustomF[x]).iDEoption in [0, 4] then
mctColVarDEstopMul := mctColVarDEstopMul + y1 * 0.6
else x2 := x2 - y1;
end;
if x2 > 0 then mctColVarDEstopMul := mctColVarDEstopMul / x2
else mctColVarDEstopMul := 0.6;
end
else }
begin
ia := 0;
itmp := 0;
y1 := 0;
z1 := 0;
z2 := 0;
bSecondPart := False;
for x := 0 to i52 do if bIsInterpolHybrid or (nHybrid[x] > 0) then
begin
if (x > wEndTo) and not bSecondPart then
begin
bSecondPart := True;
if z1 > 0 then mctColVarDEstopMul := y1 / z1 else mctColVarDEstopMul := 0.6;
z2 := z1;
z1 := 0;
y1 := 0;
if (DEoption2 = 20) or not bIsDEcomb then Break;
end;
if bIsInterpolHybrid then x2 := PSingle(@nHybrid[x])^ else x2 := nHybrid[x];
if PTCustomFormula(PHCustomF[x]).iDEoption in [0, 4] then
begin
y1 := y1 + x2 * 0.6;
z1 := z1 + x2;
end
else if PTCustomFormula(PHCustomF[x]).iDEoption in [1..3, 5..40] then
begin //check type
if PCFA.Formulas[x].byOptionType[0] in [0, 14] then //and scale or power
begin
x1 := PDouble(Integer(calcHybridCustoms[x].pConstPointer16) - 16)^;
if x1 > 1 then
begin
if x1 < 1.2 then x1 := 1.1 + Sqr(x1 - 1) * 2.5;
y1 := y1 + x2 * s05 / (ln(x1) + 0.03);
z1 := z1 + x2;
end
else if x1 < -1 then
begin
if x1 > -1.2 then x1 := -1.1 - Sqr(x1 + 1) * 2.5;//ln(3) 1/1.1
y1 := y1 + x2 * s05 / (ln(-x1) + 0.03); //ln(2)=0.693147 1/1.4427
z1 := z1 + x2; //ln(1.3)=0.26236 1/3.8115
end; //ln(1.1)=0.09531
{ end
else //test
begin
y1 := y1 + x2 * 0.6;
z1 := z1 + x2; }
end; //ln(1.3)=0.26236 1/ 3.8115
end;
end
else if (not bIsInterpolHybrid) and (nHybrid[x] < 0) then if x > wEndTo then Inc(ia) else Inc(itmp);
if ((z1 >= z2) and (z1 > 1e-3)) or ((ia > itmp) and (Abs(z1 - z2) < 1e-3) and (z1 > 1e-3)) then
mctColVarDEstopMul := y1 / z1
else if z2 < 1e-3 then mctColVarDEstopMul := 0.6;
end;
bMCTFirstStepRandom := (iOptions and 1) <> 0;
mctMH04ZSD := Max(iMandWidth, iMandHeight) * s05 * Sqrt(sZstepDiv + s0001) * MaxCS(s001, sRaystepLimiter); //* DEstop in calculation
if bVaryDEstop then mctDEstopFactor := GetDEstopFactor(@Header)
else mctDEstopFactor := 0;
dLNRStop := Ln(Ln(RStop));
NormalsOnDE := (bNormalsOnDE > 0) or IsCustomDE;
if bIsInterpolHybrid then result.fHln[0] := fHln[0] * PSingle(@nHybrid[0])^ + fHln[1] * PSingle(@nHybrid[1])^;
if bPlanarOptic = 2 then //pano
begin
x1 := 0;
y1 := 0;
end else begin
x1 := iMandWidth * s05;
y1 := iMandHeight * s05;
end;
x2 := StepWidth;
if calc3D or (iSliceCalc = 1) then z1 := (dZstart - dZmid) / StepWidth
else if iSliceCalc = 3 then
begin
x2 := x2 * (1 + Sin(FOVy) * Zend / iMandHeight);
z1 := (dZend - dZmid) / x2;
end else begin
iSliceCalc := 2;
z1 := 0;
x2 := x2 * (1 + Sin(FOVy) * (dZmid - dZstart) / (StepWidth * iMandHeight));
end;
VGrads := NormaliseMatrixTo(x2, @hVGrads);
Ystart[0] := Xmit + z1 * Vgrads[2, 0] - y1 * Vgrads[1, 0] - x1 * Vgrads[0, 0];
Ystart[1] := Ymit + z1 * Vgrads[2, 1] - y1 * Vgrads[1, 1] - x1 * Vgrads[0, 1];
Ystart[2] := Zmit + z1 * Vgrads[2, 2] - y1 * Vgrads[1, 2] - x1 * Vgrads[0, 2];
mctDEoffset := Min(msDEstop * 0.1, 0.004); //for 4point DE calculation
for x := 0 to 5 do pInitialization[x] := nil;
if DEoption = 20 then dDEscale := 1;
if DEoption2 = 20 then dDEscale2 := 1;
if (DEoption = 20) or (DEoption2 = 20) then //dIFS
begin
iDEAddSteps := Max(iDEAddSteps, Round(MinCS(1, sZstepDiv) * 2) + 2);
if (not bIsDEcomb) or (FormulaType < 5) then iMinIt := 1;
bIsIFS := True;
NormalsOnDE := True;
end
else bIsIFS := False;
if (DEoption = 20) and ((not bIsDEcomb) or (DEoption2 = 20)) then
begin
mctMH04ZSD := Max(iMandWidth, iMandHeight); //raystep limiter
mctColVarDEstopMul := 0;
end;
if FormulaType > 5 then i := iMaxIt + iMaxitF2
else i := Max(iMaxIt, iMaxitF2);
mctsM := 32767 / Max(1, i + 1);
dColPlus := dColPlus + i * 0.1;
//new:
// dColPlus := i * 0.1 - ln(msDEstop * StepWidth); //- -12
sStepWm103 := StepWidth * 1.03;
BuildSMatrix4(dXWrot, dYWrot, dZWrot, Smatrix4d);
if iCutOptions > 0 then iCutOptions := iCutOptions or
((Ord(Vgrads[2,0] > 0) and 1) shl 4) or
((Ord(Vgrads[2,1] > 0) and 1) shl 5) or
((Ord(Vgrads[2,2] > 0) and 1) shl 6);
FSIstart := mFSIstart; //for montecarlo etc //tiling?
FSIoffset := mFSIoffset;
{ // if OTrapMode then
begin
NormalsOnDE := True;
if bIsDEcomb then CalcDE := CalcOTrapDEfull
else CalcDE := CalcOTrapDE;
IsCustomDE := True;
IsCustomDE2 := True;
dDEscale := 1;
dDEscale2 := 1;
mMandFunction := do3DalternateOTrap;
if bIsDEcomb then CalcDE := CalcOTrapDEfull
else CalcDE := CalcOTrapDEnoADE;
IsCustomDE := False;
IsCustomDE2 := False;
end; }
IsCustomDE1 := IsCustomDE;
if IsCustomDE then dDEscale := dDEscale / dStepWidth
else dDEscale := dDEscale * mctDEoffset;
if bIsDEcomb then
begin
NormalsOnDE := True;
sDEcombSmooth := MaxCS(1e-30, sDEcombS) / dStepWidth;
if IsCustomDE2 then dDEscale2 := dDEscale2 / dStepWidth
else dDEscale2 := dDEscale2 * mctDEoffset;
if DEoption2 <> 20 then bIsIFS := False; //just taken from previous version
end;
mctDEoffset006 := mctDEoffset * s006;
mctDEoffset := mctDEoffset * StepWidth; //new
if NormalsOnDE then TCalculateNormalsFunc(pCalcNormals) := RMCalculateNormals
else TCalculateNormalsFunc(pCalcNormals) := RMCalculateNormalsOnSmoothIt;
if (iOptions and 4) = 0 then msDEsub := 0 else
begin
sZstepDiv := sZstepDiv * sZstepDiv + (1.2 * sZstepDiv) * (1 - sZstepDiv);
msDEsub := MinCS(0.9, Sqrt(sZstepDiv));
end;
if bMCTisValid then
begin
if bIniCalcMaps then
try
IniCalcMaps(@Header);
except
if bGetMCTPverbose then Mand3DForm.OutMessage('Error in calcmap init.');
end;
if bGetMCTPverbose then Mand3DForm.OutMessage('Parameters ok.');
end;
end;
if not bMCTisValid then Mand3DForm.OutMessage('Error, formula option is not valid.');
end;
end;
end;
procedure CalcHSVecsFromLights(Lvals: TPLightVals; MCTpars: PMCTparameter);
var i: Integer;
M: TMatrix3;
begin
M := NormaliseMatrixTo(1, @MCTpars.VGrads);
for i := 0 to 5 do
if (Lvals.iLightPos[i] and 1) = 0 then
begin
MCTpars.HSvecs[i] := NormaliseSVectorTo(-MCTpars.StepWidth, Lvals.PLValigned.LN[i]);
RotateVectorReverse(@MCTpars.HSvecs[i], @M);
end
else MCTpars.HSvecs[i] := AddSVec2Vec3(@Lvals.PLValigned.LN[i], @MCTpars.Xmit); //for mc
end;
function HSumSVec(sv: TSVec): Single;
begin
Result := (sv[0] + sv[1] + sv[3]) * s1d3;
end;