CentrED/MulProvider/UAnimDataProvider.pas

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(*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* http://www.opensource.org/licenses/cddl1.php. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying * information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Portions Copyright 2009 Andreas Schneider
*)
unit UAnimDataProvider;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, UMulProvider, UMulBlock, UAnimData;
type
TAnimDataArray = array of TAnimData;
{ TAnimDataProvider }
TAnimDataProvider = class(TMulProvider)
constructor Create(AData: TStream; AReadOnly: Boolean = False); overload;
override;
constructor Create(AData: string; AReadOnly: Boolean = False); overload;
override;
destructor Destroy; override;
protected
FAnimData: TAnimDataArray;
FAnimCount: Cardinal;
function CalculateOffset(AID: Integer): Integer; override;
function GetData(AID, AOffset: Integer): TAnimData; override;
procedure InitArray;
procedure SetData(AID, AOffset: Integer; ABlock: TMulBlock); override;
public
property AnimData: TAnimDataArray read FAnimData;
property AnimCount: Cardinal read FAnimCount;
function GetBlock(AID: Integer): TAnimData; override;
end;
implementation
uses
Logging;
{ TAnimDataProvider }
constructor TAnimDataProvider.Create(AData: TStream; AReadOnly: Boolean);
begin
inherited Create(AData, AReadOnly);
InitArray;
end;
constructor TAnimDataProvider.Create(AData: string; AReadOnly: Boolean);
begin
inherited Create(AData, AReadOnly);
InitArray;
end;
destructor TAnimDataProvider.Destroy;
var
i: Integer;
begin
for i := 0 to Length(FAnimData) - 1 do
FreeAndNil(FAnimData[i]);
inherited Destroy;
end;
function TAnimDataProvider.CalculateOffset(AID: Integer): Integer;
begin
Result := GetAnimDataOffset(AID);
end;
function TAnimDataProvider.GetData(AID, AOffset: Integer): TAnimData;
begin
Result := FAnimData[AID];
end;
procedure TAnimDataProvider.InitArray;
var
i: Integer;
begin
FData.Position := 0;
FAnimCount := (FData.Size div AnimDataGroupSize) * 8;
Logger.Send([lcInfo], 'Loading $%x AnimData entries.', [FAnimCount]);
SetLength(FAnimData, FAnimCount);
for i := 0 to FAnimCount - 1 do
begin
if i mod 8 = 0 then
FData.Seek(4, soFromCurrent);
FAnimData[i] := TAnimData.Create(FData);
end;
end;
procedure TAnimDataProvider.SetData(AID, AOffset: Integer; ABlock: TMulBlock);
begin
FreeAndNil(FAnimData[AID]);
FAnimData[AID] := TAnimData(ABlock.Clone);
if not FReadOnly then
begin
FData.Position := AOffset;
ABlock.Write(FData);
end;
end;
function TAnimDataProvider.GetBlock(AID: Integer): TAnimData;
begin
Result := FAnimData[AID].Clone;
end;
end.