hedgewars/uCursor.pas
author unC0Rr
Mon, 17 Jun 2013 23:21:53 +0200
branchwebgl
changeset 9240 3a6608ae0a5e
parent 8444 75db7bb8dce8
child 10015 4feced261c68
permissions -rw-r--r--
uscript rendering
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unit uCursor;
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interface
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procedure init;
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procedure resetPosition;
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procedure updatePosition;
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procedure handlePositionUpdate(x, y: LongInt);
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implementation
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uses SDLh, uVariables;
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{$IFDEF WEBGL}
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var offsetx, offsety : Integer;
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{$ENDIF}
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procedure init;
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begin
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    resetPosition();
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end;
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procedure resetPosition;
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begin
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    SDL_WarpMouse(cScreenWidth div 2, cScreenHeight div 2);
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end;
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procedure updatePosition;
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var x, y: LongInt;
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{$IFDEF WEBGL}
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    tx, ty : LongInt;
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{$ENDIF}
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begin
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    SDL_GetMouseState(@x, @y);
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{$IFDEF WEBGL}
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    tx := x;
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    ty := y;
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    x := x + offsetx;
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    y := y + offsety;
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{$ENDIF}
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    if(x <> cScreenWidth div 2) or (y <> cScreenHeight div 2) then
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    begin
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        handlePositionUpdate(x - cScreenWidth div 2, y - cScreenHeight div 2);
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        if cHasFocus then
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            begin
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            {$IFNDEF WEBGL}
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            SDL_WarpMouse(cScreenWidth div 2, cScreenHeight div 2);
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            {$ELSE}
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            offsetx := cScreenWidth div 2 - tx;
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            offsety := cScreenHeight div 2 - ty;
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            {$ENDIF}
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            end;
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        end
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end;
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procedure handlePositionUpdate(x, y: LongInt);
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begin
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    CursorPoint.X:= CursorPoint.X + x;
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    CursorPoint.Y:= CursorPoint.Y - y;
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end;
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end.