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|
unit HugeDatatypes;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, fgl;
type
Nibble = $0..$F;
TRoutine = string;
TEffectParams = bitpacked record
case Boolean of
True: (Param2, Param1: Nibble);
False: (Value: Byte);
end;
TCellV1 = packed record
Note: Integer;
Instrument: Integer;
EffectCode: Integer;
EffectParams: TEffectParams;
end;
TCellV2 = packed record
Note: Integer;
Instrument: Integer;
Volume: Integer;
EffectCode: Integer;
EffectParams: TEffectParams;
end;
TCell = TCellV2;
PCell = ^TCell;
TPatternV1 = packed array[0..63] of TCellV1;
PPatternV1 = ^TPatternV1;
TPatternV2 = packed array[0..63] of TCellV2;
TPattern = TPatternV2;
PPattern = ^TPatternV2;
TPatternMapV1 = specialize TFPGMap<Integer, PPatternV1>;
TPatternMap = class(specialize TFPGMap<Integer, PPattern>)
function GetOrCreateNew(Key: Integer): PPattern;
function MaxKey: Integer;
procedure DeletePattern(Key: Integer);
destructor Destroy; override;
end;
TWaveV1 = packed array[0..32] of Byte;
TWaveV2 = packed array[0..31] of Byte;
TWave = TWaveV2;
T4bitWave = packed array[0..15] of Byte;
TInstrumentType = (itSquare = 0, itWave = 1, itNoise = 2);
TDutyType = 0..3;
TSweepType = (stUp, stDown);
TStepWidth = (swFifteen, swSeven);
TEnvelopeVolume = 0..15;
TEnvelopeSweepAmount = 0..7;
TNoiseMacro = array[0..5] of -31..32;
TInstrumentV1 = packed record
Type_: TInstrumentType;
Name: ShortString;
Length: Integer;
// Highmask
LengthEnabled: Boolean;
InitialVolume: TEnvelopeVolume;
VolSweepDirection: TSweepType;
VolSweepAmount: TEnvelopeSweepAmount;
// itSquare
// NR10
SweepTime: Integer;
SweepIncDec: TSweepType;
SweepShift: Integer;
// NR11
Duty: TDutyType;
// itWave
// NR32
OutputLevel: Integer;
// itWave
Waveform: Integer;
// itNoise
// NR42
ShiftClockFreq: Integer; // Unused
CounterStep: TStepWidth;
DividingRatio: Integer;
end;
TInstrumentV2 = packed record
Type_: TInstrumentType;
Name: ShortString;
Length: Integer;
// Highmask
LengthEnabled: Boolean;
InitialVolume: TEnvelopeVolume;
VolSweepDirection: TSweepType;
VolSweepAmount: TEnvelopeSweepAmount;
// itSquare
// NR10
SweepTime: Integer;
SweepIncDec: TSweepType;
SweepShift: Integer;
// NR11
Duty: TDutyType;
// itWave
// NR32
OutputLevel: Integer;
// itWave
Waveform: Integer;
// itNoise
// NR42
ShiftClockFreq: Integer; // Unused
CounterStep: TStepWidth;
DividingRatio: Integer;
NoiseMacro: TNoiseMacro;
end;
TInstrumentV3 = packed record
Type_: TInstrumentType;
Name: ShortString;
Length: Integer;
// Highmask
LengthEnabled: Boolean;
InitialVolume: TEnvelopeVolume;
VolSweepDirection: TSweepType;
VolSweepAmount: TEnvelopeSweepAmount;
// itSquare
// NR10
SweepTime: Integer;
SweepIncDec: TSweepType;
SweepShift: Integer;
// NR11
Duty: TDutyType;
// itWave
// NR32
OutputLevel: Integer;
// itWave
Waveform: Integer;
// itNoise
// NR42
CounterStep: TStepWidth;
SubpatternEnabled: Boolean;
Subpattern: TPattern;
end;
TInstrument = TInstrumentV3;
TAsmInstrument = array[0..3] of Byte;
TRegisters = record
case Type_: TInstrumentType of
itSquare: (NR10, NR11, NR12, NR13, NR14: Byte);
itWave: (NR30, NR31, NR32, NR33, NR34: Byte);
itNoise: (NR41, NR42, NR43, NR44: Byte);
end;
Bit = Boolean;
TwoBits = 0..%11;
ThreeBits = 0..%111;
FourBits = 0..%1111;
FiveBits = 0..%11111;
SixBits = 0..%111111;
SevenBits = 0..%1111111;
EightBits = Byte;
TSweepRegister = bitpacked record
case Boolean of
True: (
Shift: ThreeBits;
IncDec: Bit;
SweepTime: ThreeBits;
_: Bit;
);
False: (ByteValue: Byte);
end;
TSquareLengthRegister = bitpacked record
case Boolean of
True: (
Length: SixBits;
Duty: TwoBits;
);
False: (ByteValue: Byte);
end;
TEnvelopeRegister = bitpacked record
case Boolean of
True: (
SweepNumber: ThreeBits;
Direction: Bit;
InitialVolume: FourBits;
);
False: (ByteValue: Byte);
end;
TLowByteRegister = Byte;
THighByteRegister = bitpacked record
case Boolean of
True: (
FrequencyBits: ThreeBits;
_Padding: ThreeBits;
UseLength: Bit;
Initial: Bit;
);
False: (ByteValue: Byte);
end;
TCh3SoundOnOffRegister = bitpacked record
case Boolean of
True: (
_Padding: SevenBits;
Playback: Bit;
);
False: (ByteValue: Byte);
end;
TCh3SoundLengthRegister = Byte;
TCh3OutputLevelRegister = bitpacked record
case Boolean of
True: (
_Padding: FiveBits;
OutputLevel: TwoBits;
_Padding2: Bit;
);
False: (ByteValue: Byte);
end;
TCh4SoundLengthRegister = 0..63;
TPolynomialCounterRegister = bitpacked record
case Boolean of
True: (
DividingRatio: ThreeBits;
SevenBitCounter: Bit;
ShiftClockFrequency: FourBits;
);
False: (ByteValue: Byte);
end;
TCh4HighByteRegister = bitpacked record
case Boolean of
True: (
_Padding: SixBits;
UseLength: Bit;
Initial: Bit;
);
False: (ByteValue: Byte);
end;
TInstrumentBankV1 = packed array[1..15] of TInstrumentV1;
TInstrumentCollectionV1 = packed record
case Boolean of
False: (Duty, Wave, Noise: TInstrumentBankV1);
True: (All: packed array[1..45] of TInstrumentV1);
end;
TInstrumentBankV2 = packed array[1..15] of TInstrumentV2;
TInstrumentCollectionV2 = packed record
case Boolean of
False: (Duty, Wave, Noise: TInstrumentBankV2);
True: (All: packed array[1..45] of TInstrumentV2);
end;
TInstrumentBankV3 = packed array[1..15] of TInstrumentV3;
TInstrumentCollectionV3 = packed record
case Boolean of
False: (Duty, Wave, Noise: TInstrumentBankV3);
True: (All: packed array[1..45] of TInstrumentV3);
end;
TInstrumentBank = TInstrumentBankV3;
TInstrumentCollection = TInstrumentCollectionV3;
TWaveBankV1 = packed array[0..15] of TWaveV1;
TWaveBankV2 = packed array[0..15] of TWaveV2;
TWaveBank = TWaveBankV2;
TRoutineBank = packed array[0..15] of TRoutine;
TOrderMatrix = packed array[0..3] of array of Integer;
TCellPart = (
cpNote = 0,
cpInstrument = 1,
cpVolume = 2,
cpEffectCode = 3,
cpEffectParams = 4
);
TSelectionPos = record
X, Y: Integer;
SelectedPart: TCellPart
end;
TSelectedCell = record
Cell: TCell;
Parts: set of TCellPart;
end;
TSelectionRow = array of TSelectedCell;
TSelection = array of TSelectionRow;
operator > (L, R: TSelectionPos): Boolean;
operator < (L, R: TSelectionPos): Boolean;
operator >= (L, R: TSelectionPos): Boolean;
operator <= (L, R: TSelectionPos): Boolean;
operator = (L, R: TSelectionPos): Boolean;
procedure IncSelectionPos(var SP: TSelectionPos);
procedure DecSelectionPos(var SP: TSelectionPos);
const
DefaultWaves: array[0..10] of TWave =
(($0,$0,$0,$0,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f),
($0,$0,$0,$0,$0,$0,$0,$0,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f),
($0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f,$f),
($0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$f,$f,$f,$f,$f,$f,$f,$f),
($0,$0,$0,$1,$1,$2,$2,$3,$3,$4,$4,$5,$5,$6,$6,$7,$7,$8,$8,$9,$9,$a,$a,$b,$b,$c,$c,$d,$d,$e,$e,$f),
($f,$e,$d,$c,$b,$a,$9,$8,$7,$6,$5,$4,$3,$2,$1,$0,$1,$2,$3,$4,$5,$6,$7,$8,$9,$a,$b,$c,$d,$e,$f,$f),
($7,$a,$c,$d,$d,$b,$7,$5,$2,$1,$1,$3,$6,$8,$b,$d,$d,$c,$9,$7,$4,$1,$0,$1,$4,$7,$9,$c,$d,$d,$b,$8),
($0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f,$0,$f),
($f,$e,$f,$c,$f,$a,$f,$8,$f,$6,$f,$4,$f,$2,$f,$0,$f,$2,$f,$4,$f,$6,$f,$8,$f,$a,$f,$c,$f,$e,$f,$f),
($f,$e,$d,$d,$c,$c,$b,$b,$a,$a,$9,$9,$8,$8,$7,$7,$8,$a,$b,$d,$f,$1,$2,$4,$5,$7,$8,$a,$b,$d,$e,$e),
($8,$4,$1,$1,$6,$1,$e,$d,$5,$7,$4,$7,$5,$a,$a,$d,$c,$e,$a,$3,$1,$7,$7,$9,$d,$d,$2,$0,$0,$3,$4,$7));
implementation
uses Utils;
operator>(L, R: TSelectionPos): Boolean;
begin
if L.X > R.X then
Result := True
else if (L.X = R.X) and (L.SelectedPart > R.SelectedPart) then
Result := True
else
Result := False;
end;
operator<(L, R: TSelectionPos): Boolean;
begin
if L.X < R.X then
Result := True
else if (L.X = R.X) and (L.SelectedPart < R.SelectedPart) then
Result := True
else
Result := False;
end;
operator>=(L, R: TSelectionPos): Boolean;
begin
Result := (L > R) or (L = R);
end;
operator<=(L, R: TSelectionPos): Boolean;
begin
Result := (L < R) or (L = R);
end;
operator=(L, R: TSelectionPos): Boolean;
begin
Result := (L.X = R.X) and (L.SelectedPart = R.SelectedPart);
end;
procedure IncSelectionPos(var SP: TSelectionPos);
begin
if SP.SelectedPart = High(TCellPart) then begin
SP.SelectedPart := Low(TCellPart);
Inc(SP.X);
end
else Inc(SP.SelectedPart);
end;
procedure DecSelectionPos(var SP: TSelectionPos);
begin
if SP.SelectedPart = Low(TCellPart) then begin
SP.SelectedPart := High(TCellPart);
Dec(SP.X);
end
else Dec(SP.SelectedPart);
end;
{ TPatternMap }
function TPatternMap.GetOrCreateNew(Key: Integer): PPattern;
begin
if Self.IndexOf(Key) <> -1 then
Result := Self.KeyData[Key]
else begin
New(Result);
BlankPattern(Result);
Self.Add(Key, Result);
end;
end;
function TPatternMap.MaxKey: Integer;
var
X: Integer;
begin
Result := 0;
for X := 0 to Self.Count-1 do
if Self.Keys[X] > Result then Result := Self.Keys[X];
Inc(Result);
end;
procedure TPatternMap.DeletePattern(Key: Integer);
begin
Dispose(KeyData[Key]);
Self.Remove(Key);
end;
destructor TPatternMap.Destroy;
var
I: Integer;
begin
for I := 0 to Self.Count-1 do
Dispose(Self.Data[I]);
inherited;
end;
end.
|
