hedgewars/uLandUtils.pas
author unc0rr
Thu, 18 Sep 2014 23:02:05 +0400
branchqmlfrontend
changeset 10412 9a8d4efcf3fa
parent 10198 e9cbe111c0df
child 10626 2562797ab3cf
permissions -rw-r--r--
- More flib IPC routines - Rework engine's uIO to use new IPC mechanism
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unit uLandUtils;
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interface
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procedure ResizeLand(width, height: LongWord);
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implementation
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uses uUtils, uConsts, uVariables;
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procedure ResizeLand(width, height: LongWord);
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var potW, potH: LongInt;
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begin
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potW:= toPowerOf2(width);
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potH:= toPowerOf2(height);
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if (potW <> LAND_WIDTH) or (potH <> LAND_HEIGHT) then
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    begin
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    LAND_WIDTH:= potW;
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    LAND_HEIGHT:= potH;
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    LAND_WIDTH_MASK:= not(LAND_WIDTH-1);
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    LAND_HEIGHT_MASK:= not(LAND_HEIGHT-1);
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    cWaterLine:= LAND_HEIGHT;
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    if (cReducedQuality and rqBlurryLand) = 0 then
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        SetLength(LandPixels, LAND_HEIGHT, LAND_WIDTH)
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    else
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        SetLength(LandPixels, LAND_HEIGHT div 2, LAND_WIDTH div 2);
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    SetLength(Land, LAND_HEIGHT, LAND_WIDTH);
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    SetLength(LandDirty, (LAND_HEIGHT div 32), (LAND_WIDTH div 32));
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    // 0.5 is already approaching on unplayable
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    if (width div 4096 >= 2) or (height div 2048 >= 2) then cMaxZoomLevel:= 0.5;
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    cMinMaxZoomLevelDelta:= cMaxZoomLevel - cMinZoomLevel
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    end;
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end;
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end.