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draw_sprite_tiled_area

Draws a repeated sprite image, tiled to fill a given region and with a given offset.

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draw_sprite_tiled_area(sprite,subimg,x,y,x1,y2,x2,y2)
Draws a repeated sprite image, tiled to fill a given region and with a given offset.
COPY/// draw_sprite_tiled_area(sprite,subimg,x,y,x1,y2,x2,y2)
//
//  Draws a repeated sprite image, tiled to fill a given region and with
//  a given offset. 
//
//      sprite      sprite to draw, real
//      subimg      sprite subimage to draw, real
//      x,y         origin offset, real
//      x1,y1       top-left corner of tiled area, real
//      x2,y2       bottom-right corner of tiled area, real
//
/// GMLscripts.com/license
{
    var sprite,subimg,xx,yy,x1,y1,x2,y2;
    sprite = argument0;
    subimg = argument1;
    xx = argument2;
    yy = argument3;
    x1 = argument4;
    y1 = argument5;
    x2 = argument6;
    y2 = argument7;

    var sw,sh,i,j,jj,left,top,width,height,X,Y;
    sw = sprite_get_width(sprite);
    sh = sprite_get_height(sprite);

    i = x1-((x1 mod sw) - (xx mod sw)) - sw*((x1 mod sw)<(xx mod sw));
    j = y1-((y1 mod sh) - (yy mod sh)) - sh*((y1 mod sh)<(yy mod sh)); 
    jj = j;

    for(i=i; i<=x2; i+=sw) {
        for(j=j; j<=y2; j+=sh) {

            if(i <= x1) left = x1-i;
            else left = 0;
            X = i+left;

            if(j <= y1) top = y1-j;
            else top = 0;
            Y = j+top;

            if(x2 <= i+sw) width = ((sw)-(i+sw-x2)+1)-left;
            else width = sw-left;

            if(y2 <= j+sh) height = ((sh)-(j+sh-y2)+1)-top;
            else height = sh-top;

            draw_sprite_part(sprite,subimg,left,top,width,height,X,Y);
        }
        j = jj;
    }
    return 0;
}

Contributors: EyeGuy

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