87 lines
2.4 KiB
Text
87 lines
2.4 KiB
Text
// Class for text box element
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Class DemolitionistMenuTextBox ui
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{
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DemolitionistMenu master;
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String txt;
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BrokenLines l;
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int ofs;
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int x, w;
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bool scrollbar;
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double smofs;
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int maxofs;
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// textbox initialization
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DemolitionistMenuTextBox Init( DemolitionistMenu master, String txt, int x = 0, int w = 0 )
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{
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self.master = master;
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self.x = x;
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if ( w == 0 ) self.w = 640-x;
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else self.w = w;
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if ( txt.Left(1) == "$" ) self.txt = StringTable.Localize(txt);
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else self.txt = txt;
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ofs = 0;
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// break lines
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l = smallfont.BreakLines(self.txt,self.w-12);
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int h = l.Count()*13;
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if ( h > (master.ws.y-34) )
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{
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l.Destroy();
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l = smallfont.BreakLines(self.txt,self.w-20);
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scrollbar = true;
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maxofs = int((l.Count()*13)-(master.ws.y-34));
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}
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return self;
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}
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override void OnDestroy()
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{
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l.Destroy();
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}
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// called when sending a scroll input
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// returns true if the position actually changed
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// speed: how many pixels to move (either back or forward)
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bool Scroll( int speed )
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{
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int oldofs = ofs;
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ofs = clamp(ofs+speed,0,maxofs);
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return (ofs != oldofs);
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}
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// called when clicking on our scrollbar
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// returns true if the position actually changed
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// y: relative click position
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bool SetOffset( double y )
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{
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int oldofs = ofs;
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ofs = clamp(int(round((y-20.5)/((master.ws.y-41.)/maxofs))),0,maxofs);
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return (ofs != oldofs);
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}
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void Ticker()
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{
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// update smooth scroll
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smofs = (smofs*.6)+(ofs*.4);
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if ( abs(smofs-ofs) < (1./master.hs) ) smofs = ofs;
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}
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void Drawer( bool dark = false )
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{
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double xx = x+6;
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double yy = 17-smofs;
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int miny = int((master.origin.y+17)*master.hs);
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int maxy = int((master.origin.y+(master.ws.y-17))*master.hs);
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for ( int i=0; i<l.Count(); i++, yy+=13 )
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{
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// to save time, we skip lines that aren't visible
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if ( yy < 4 ) continue;
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if ( yy >= master.ws.y-19 ) continue;
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Screen.DrawText(smallfont,Font.CR_WHITE,master.origin.x+xx,master.origin.y+yy,l.StringAt(i),DTA_VirtualWidthF,master.ss.x,DTA_VirtualHeightF,master.ss.y,DTA_KeepRatio,true,DTA_ColorOverlay,dark?Color(96,0,0,0):Color(0,0,0,0),DTA_ClipTop,miny,DTA_ClipBottom,maxy);
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}
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if ( !scrollbar ) return;
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xx = x+(w-8);
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master.DrawVSeparator(xx,14,master.ws.y-28);
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xx += 2;
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yy = floor(smofs*((master.ws.y-39)/maxofs))+14;
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Screen.DrawText(smallfont,Font.CR_FIRE,master.origin.x+xx,master.origin.y+yy,"▮",DTA_VirtualWidthF,master.ss.x,DTA_VirtualHeightF,master.ss.y,DTA_KeepRatio,true);
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}
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}
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