CentrED/MulProvider/UArtProvider.pas

102 lines
2.9 KiB
Plaintext
Raw Normal View History

(*
* 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 UArtProvider;
{$mode objfpc}{$H+}
interface
uses
Graphics, UMulProvider, UMulBlock, UGenericIndex, UArt, UHue;
type
TArtProvider = class(TIndexedMulProvider)
protected
function GetData(AID: Integer; AIndex: TGenericIndex): TMulBlock; override;
function GetArtData(AID: Integer; AIndex: TGenericIndex; AColor: Word;
AHue: THue; APartialHue: Boolean): TArt;
public
function GetArt(AID: Integer; AColor: Word; AHue: THue; APartialHue: Boolean): TArt;
function GetFlatLand(AID: Integer): TArt;
end;
implementation
{ TArtProvider }
function TArtProvider.GetData(AID: Integer; AIndex: TGenericIndex): TMulBlock;
begin
Result := GetArtData(AID, AIndex, clBlack, nil, False);
end;
function TArtProvider.GetArtData(AID: Integer; AIndex: TGenericIndex;
AColor: Word; AHue: THue; APartialHue: Boolean): TArt;
begin
if (AIndex.Lookup > -1) and (AIndex.Size > 0) then
begin
if AID < $4000 then
Result := TArt.Create(FData, AIndex, atLand, AColor, AHue, APartialHue)
else
Result := TArt.Create(FData, AIndex, atStatic, AColor, AHue, APartialHue);
end
else
begin
if AID < $4000 then
Result := TArt.Create(nil, nil, atLand, AColor, AHue, APartialHue)
else
Result := TArt.Create(nil, nil, atStatic, AColor, AHue, APartialHue);
end;
Result.ID := AID;
end;
function TArtProvider.GetArt(AID: Integer; AColor: Word; AHue: THue;
APartialHue: Boolean): TArt;
var
genericIndex: TGenericIndex;
begin
FIndex.Position := CalculateIndexOffset(AID);
genericIndex := TGenericIndex.Create(FIndex);
Result := GetArtData(AID, genericIndex, AColor, AHue, APartialHue);
genericIndex.Free;
Result.OnChanged := @OnChanged;
Result.OnFinished := @OnFinished;
end;
function TArtProvider.GetFlatLand(AID: Integer): TArt;
var
genericIndex: TGenericIndex;
begin
FIndex.Position := CalculateIndexOffset(AID);
genericIndex := TGenericIndex.Create(FIndex);
Result := TArt.Create(FData, genericIndex, atLandFlat);
genericIndex.Free;
Result.OnChanged := @OnChanged;
Result.OnFinished := @OnFinished;
end;
end.