mirror of
https://github.com/moparisthebest/Simba
synced 2024-12-23 15:58:51 -05:00
445 lines
11 KiB
ObjectPascal
445 lines
11 KiB
ObjectPascal
{
|
|
This file is part of the Mufasa Macro Library (MML)
|
|
Copyright (c) 2009 by Raymond van Venetië and Merlijn Wajer
|
|
|
|
MML is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
MML is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with MML. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
See the file COPYING, included in this distribution,
|
|
for details about the copyright.
|
|
|
|
DTM class for the Mufasa Macro Library
|
|
}
|
|
|
|
unit dtm;
|
|
|
|
{$mode objfpc}{$H+}
|
|
|
|
interface
|
|
|
|
uses
|
|
Classes, SysUtils, MufasaTypes;
|
|
|
|
type
|
|
|
|
{ TMDTM }
|
|
|
|
TMDTM = class(TObject)
|
|
private
|
|
FPoints : TMDTMPointArray;
|
|
FLen : integer;
|
|
function GetPointerPoints: PMDTMPoint;
|
|
procedure SetPointCount(const AValue: integer);
|
|
public
|
|
Name : string;
|
|
Index : integer;
|
|
function ToString : string;
|
|
function SaveToFile(const FileName : string) : boolean;
|
|
function LoadFromString(const s : string) : boolean;
|
|
procedure Normalize;
|
|
function Valid : boolean;
|
|
procedure DeletePoint( Point : integer);
|
|
procedure SwapPoint(p1,p2 : integer);
|
|
procedure MovePoint(fromIndex,toIndex : integer);
|
|
procedure AddPoint( Point : TMDTMPoint);
|
|
property PPoints : PMDTMPoint read GetPointerPoints;
|
|
property Count : integer read FLen write SetPointCount;
|
|
property Points : TMDTMPointArray read FPoints;
|
|
end;
|
|
{ TMDTMS }
|
|
|
|
TMDTMS = class(TObject) //Manages the DTMs TMufasaDTMs
|
|
private
|
|
Client: TObject;
|
|
DTMList: Array Of TMDTM;
|
|
FreeSpots: Array Of Integer;
|
|
procedure CheckIndex(index : integer);
|
|
public
|
|
function AddDTM(const d: TSDTM): Integer;overload;
|
|
function AddDTM(const d: TMDTM): Integer;overload;
|
|
function GetDTM(index: Integer) :TMDTM;
|
|
procedure FreeDTM(DTM: Integer);
|
|
function StringToDTM(const S: String): Integer;
|
|
property DTM[Index : integer]: TMDTM read GetDTM; default;
|
|
constructor Create(Owner: TObject);
|
|
destructor Destroy; override;
|
|
end;
|
|
|
|
implementation
|
|
uses
|
|
dtmutil, paszlib,
|
|
client,
|
|
DCPbase64,
|
|
graphics, // for TColor
|
|
math // for max
|
|
;
|
|
|
|
|
|
|
|
|
|
constructor TMDTMS.Create(Owner: TObject);
|
|
begin
|
|
inherited Create;
|
|
Self.Client := Owner;
|
|
|
|
SetLength(DTMList, 0);
|
|
SetLength(FreeSpots, 0);
|
|
end;
|
|
|
|
{$DEFINE DTM_DEBUG}
|
|
destructor TMDTMS.Destroy;
|
|
var
|
|
i, j: integer;
|
|
b:boolean;
|
|
WriteStr : string;
|
|
begin
|
|
WriteStr := '[';
|
|
for i := 0 to high(DTMList) do
|
|
begin
|
|
b := false;
|
|
for j := 0 to high(freespots) do
|
|
if i = freespots[j] then
|
|
begin
|
|
b := true;
|
|
break;
|
|
end;
|
|
if not b then
|
|
begin;
|
|
if DTMList[i].name <> '' then
|
|
WriteStr := WriteStr + DTMList[i].name + ', '
|
|
else
|
|
WriteStr := WriteStr + inttostr(i) + ', ';
|
|
FreeDTM(i);
|
|
end;
|
|
end;
|
|
if WriteStr <> '[' then //Has unfreed DTMs
|
|
begin
|
|
SetLength(WriteStr,length(WriteStr)-1);
|
|
WriteStr[Length(writeStr)] := ']';
|
|
TClient(Client).Writeln(Format('The following DTMs were not freed: %s',[WriteStr]));
|
|
end;
|
|
SetLength(DTMList, 0);
|
|
SetLength(FreeSpots, 0);
|
|
|
|
inherited Destroy;
|
|
end;
|
|
|
|
// Rotates the given point (p) by A (in radians) around the point defined by cx, cy.
|
|
|
|
function RotatePoint(const p: TPoint;const angle, mx, my: Extended): TPoint; inline;
|
|
begin
|
|
Result.X := Round(mx + cos(angle) * (p.x - mx) - sin(angle) * (p.y - my));
|
|
Result.Y := Round(my + sin(angle) * (p.x - mx) + cos(angle) * (p.y- my));
|
|
end;
|
|
|
|
function HexToInt(const HexNum: string): LongInt;inline;
|
|
begin
|
|
Result:=StrToInt('$' + HexNum);
|
|
end;
|
|
|
|
function TMDTMS.StringToDTM(const S: String): Integer;
|
|
var
|
|
aDTM : TMDTM;
|
|
begin
|
|
aDTM := TMDTM.Create;
|
|
aDTM.LoadFromString(s);
|
|
Result := AddDTM(aDTM);
|
|
end;
|
|
|
|
|
|
procedure TMDTMS.CheckIndex(index: integer);
|
|
begin
|
|
if (index < 0) or (index >= Length(DTMList)) or (DTMList[Index] = nil) then
|
|
raise Exception.CreateFmt('The given DTM Index[%d] doesn''t exist',[index]);
|
|
end;
|
|
|
|
function TMDTMS.AddDTM(const d: TSDTM): Integer;
|
|
begin
|
|
Result := AddDTM(SDTMToMDTM(d));
|
|
end;
|
|
|
|
{/\
|
|
Adds the given pDTM to the DTM Array, and returns it's index.
|
|
/\}
|
|
|
|
function TMDTMS.AddDTM(const d: TMDTM): Integer;
|
|
begin
|
|
|
|
if Length(FreeSpots) > 0 then
|
|
begin
|
|
Result := FreeSpots[High(FreeSpots)];
|
|
SetLength(FreeSpots, High(FreeSpots));
|
|
end
|
|
else
|
|
begin
|
|
SetLength(DTMList, Length(DTMList) + 1);
|
|
Result := High(DTMList);
|
|
end;
|
|
DTMList[Result] := d;
|
|
DTMList[Result].Index:= Result;
|
|
DTMList[result].Normalize;
|
|
end;
|
|
|
|
{/\
|
|
Returns the DTM (pDTM type) in the variable dtm at the given index.
|
|
Returns true is succesfull, false if the dtm does not exist.
|
|
/\}
|
|
|
|
function TMDTMS.GetDTM(index: Integer) :TMDTM;
|
|
begin
|
|
CheckIndex(index);
|
|
result := DTMList[index];
|
|
end;
|
|
|
|
{/\
|
|
Unloads the DTM at the given index from the DTM Array.
|
|
Notes:
|
|
Will keep track of not used index, so it is very memory efficient.
|
|
/\}
|
|
|
|
procedure TMDTMS.FreeDTM(DTM: Integer);
|
|
begin
|
|
CheckIndex(DTM);
|
|
DTMList[DTM].Free;
|
|
DTMList[DTM] := nil;
|
|
SetLength(FreeSpots, Length(FreeSpots) + 1);
|
|
FreeSpots[High(FreeSpots)] := DTM;
|
|
end;
|
|
|
|
{ TMDTM }
|
|
|
|
function TMDTM.GetPointerPoints: PMDTMPoint;
|
|
begin
|
|
if count < 1 then
|
|
result := nil
|
|
else
|
|
result := @FPoints[0];
|
|
end;
|
|
|
|
procedure TMDTM.SetPointCount(const AValue: integer);
|
|
begin
|
|
SetLength(FPoints,AValue);
|
|
FLen := AValue;
|
|
end;
|
|
|
|
//We save the data as arrays for each point (so we can add features to DTMs without having to change
|
|
//the way the ToString is done..
|
|
//E.G. A DTM with 3 points would become
|
|
//LenXXXYYYCCCTTTASZASZASZBPBPBP
|
|
|
|
function TMDTM.ToString: string;
|
|
var
|
|
i,len : integer;
|
|
Ptr,Start : Pointer;
|
|
Destlen : Longword;
|
|
procedure WriteInteger(int : integer);
|
|
begin
|
|
PLongInt(Ptr)^ := int;
|
|
Inc(ptr,sizeof(int));
|
|
end;
|
|
procedure WriteBool(bool : boolean);
|
|
begin;
|
|
PBoolean(Ptr)^ := bool;
|
|
inc(ptr,sizeof(boolean));
|
|
end;
|
|
|
|
begin
|
|
result := '';
|
|
if Count < 1 then
|
|
exit;
|
|
len := Count * TMDTMPointSize + SizeOf(Integer);
|
|
Start:= GetMem(len);
|
|
Ptr := Start;
|
|
WriteInteger(FLen);
|
|
for i := 0 to FLen-1 do
|
|
WriteInteger(FPoints[i].x);
|
|
for i := 0 to FLen-1 do
|
|
WriteInteger(FPoints[i].y);
|
|
for i := 0 to FLen-1 do
|
|
WriteInteger(FPoints[i].c);
|
|
for i := 0 to FLen-1 do
|
|
WriteInteger(FPoints[i].t);
|
|
for i := 0 to FLen-1 do
|
|
WriteInteger(FPoints[i].asz);
|
|
for i := 0 to FLen-1 do
|
|
WriteBool(FPoints[i].bp);
|
|
Destlen :=BufferLen;
|
|
if compress(BufferString,destlen,pchar(start),len) = Z_OK then
|
|
begin
|
|
setlength(result,Destlen + SizeOf(Integer));
|
|
PInteger(@result[1])^ := len;
|
|
Move(bufferstring[0],result[1 + sizeof(integer)],Destlen);
|
|
//We now have Size + Compressed data.. Lets Base64Encrypt it!
|
|
Result := 'm' + Base64EncodeStr(result);
|
|
//It now looks like m + base64encoded data! The 'm' is to indicate we used this encryption method.
|
|
end;
|
|
Freemem(start,len);
|
|
end;
|
|
|
|
function TMDTM.SaveToFile(const FileName: string): boolean;
|
|
begin
|
|
|
|
end;
|
|
|
|
function TMDTM.LoadFromString(const s: string): boolean;
|
|
var
|
|
MDTM : TMDTM;
|
|
Source : String;
|
|
DestLen : longword;
|
|
i,ii,c : integer;
|
|
DPoints : PMDTMPoint;
|
|
Ptr : Pointer;
|
|
function ReadInteger : integer;
|
|
begin
|
|
Result := PInteger(ptr)^;
|
|
inc(ptr,sizeof(integer));
|
|
end;
|
|
function ReadBoolean : boolean;
|
|
begin
|
|
result := PBoolean(ptr)^;
|
|
inc(ptr,sizeof(boolean));
|
|
end;
|
|
|
|
begin
|
|
Result := false;
|
|
ii := Length(S);
|
|
if (ii = 0) then
|
|
exit;
|
|
if S[1] = 'm' then
|
|
begin
|
|
if ii < 9 then
|
|
raise Exception.CreateFMT('Invalid DTM-String passed to StringToDTM: %s',[s]);
|
|
Source := Base64DecodeStr(copy(s,2,ii-1));
|
|
i:= PLongint(@source[1])^; //The 4 four bytes should contain the dest len!
|
|
if i < 1 then
|
|
raise Exception.CreateFMT('Invalid DTM-String passed to StringToDTM: %s',[s]);
|
|
DestLen := BufferLen;
|
|
ptr := @Source[1 + sizeof(longint)];
|
|
if uncompress(BufferString,DestLen,ptr,length(source)-sizeof(integer)) = Z_OK then
|
|
begin
|
|
ptr := BufferString;
|
|
Self.Count:= ReadInteger;
|
|
ii := Self.Count;
|
|
if (Self.Count * TMDTMPointSize) <> (Destlen - SizeOf(integer)) then
|
|
raise Exception.CreateFMT('Invalid DTM-String passed to StringToDTM: %s',[s]);
|
|
DPoints := Self.PPoints;
|
|
for i := 0 to ii-1 do
|
|
DPoints[i].x := ReadInteger;
|
|
for i := 0 to ii-1 do
|
|
DPoints[i].y := ReadInteger;
|
|
for i := 0 to ii-1 do
|
|
DPoints[i].c := ReadInteger;
|
|
for i := 0 to ii-1 do
|
|
DPoints[i].t := ReadInteger;
|
|
for i := 0 to ii-1 do
|
|
DPoints[i].asz := ReadInteger;
|
|
for i := 0 to ii-1 do
|
|
DPoints[i].bp := ReadBoolean;
|
|
Result := true;
|
|
end;
|
|
end else
|
|
begin
|
|
if (ii mod 2 <> 0) then
|
|
exit;
|
|
ii := ii div 2;
|
|
SetLength(Source,ii);
|
|
for i := 1 to ii do
|
|
Source[i] := Chr(HexToInt(S[i * 2 - 1] + S[i * 2]));
|
|
DestLen := BufferLen;
|
|
if uncompress(Bufferstring,Destlen,pchar(Source), ii) = Z_OK then
|
|
begin;
|
|
if (Destlen mod 36) > 0 then
|
|
raise Exception.CreateFMT('Invalid DTM-String passed to StringToDTM: %s',[s]);
|
|
DestLen := DestLen div 36;
|
|
Self.Count:= DestLen;
|
|
DPoints := Self.PPoints;
|
|
ptr := bufferstring;
|
|
for i := 0 to DestLen - 1 do
|
|
begin;
|
|
DPoints[i].x :=PInteger(ptr + 1)^;
|
|
DPoints[i].y := PInteger(ptr + 5)^;
|
|
DPoints[i].asz := PInteger(ptr + 12)^;
|
|
// DPoints.ash[i] := PInteger(@b^[c+16])^;
|
|
DPoints[i].c := PInteger(ptr + 20)^;
|
|
DPoints[i].t := PInteger(ptr + 24)^;
|
|
DPoints[i].bp := False;
|
|
inc(ptr,36);
|
|
end;
|
|
Result := true;
|
|
end;
|
|
end;
|
|
if result then
|
|
Normalize;
|
|
end;
|
|
|
|
procedure TMDTM.Normalize;
|
|
var
|
|
i:integer;
|
|
begin
|
|
if (self = nil) or (Self.count < 1) or ((Self.Points[0].x = 0) and (Self.Points[0].y = 0)) then //Already normalized
|
|
exit;
|
|
for i := 1 to Self.Count - 1 do
|
|
begin
|
|
Self.Points[i].x := Self.Points[i].x - Self.Points[0].x;
|
|
Self.Points[i].y := Self.Points[i].y - Self.Points[0].y;
|
|
end;
|
|
Self.Points[0].x := 0;
|
|
Self.Points[0].y := 0;
|
|
end;
|
|
|
|
function TMDTM.Valid: boolean;
|
|
begin
|
|
result := false;
|
|
if Count < 1 then
|
|
exit;
|
|
Normalize;
|
|
result := true;
|
|
end;
|
|
|
|
procedure TMDTM.DeletePoint(Point: integer);
|
|
begin
|
|
MovePoint(Point,FLen-1);
|
|
Count := Count - 1;
|
|
end;
|
|
|
|
procedure TMDTM.SwapPoint(p1, p2: integer);
|
|
var
|
|
Temp : TMDTMPoint;
|
|
begin
|
|
Temp := FPoints[p1];
|
|
FPoints[p1] := FPoints[p2];
|
|
FPoints[p2] := Temp;
|
|
end;
|
|
|
|
procedure TMDTM.MovePoint(fromIndex, toIndex: integer);
|
|
var
|
|
i : integer;
|
|
begin
|
|
if fromIndex > toIndex then //We are going down
|
|
begin
|
|
for i := fromindex downto Toindex+1 do
|
|
SwapPoint(i,i-1);
|
|
end else if fromIndex < toIndex then
|
|
for i := fromindex to toindex - 1 do
|
|
SwapPoint(i,i+1);
|
|
end;
|
|
|
|
procedure TMDTM.AddPoint(Point: TMDTMPoint);
|
|
begin
|
|
Count:= Count + 1;
|
|
FPoints[FLen-1] := Point;
|
|
end;
|
|
|
|
end.
|
|
|