/*
FreeCS Project
Copyright (C) 2016, 2017 Marco "eukara" Hladik

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

float fSBOffset;
float fSBScale;

/*
=================
HUD_DrawScope_Pic

The scope borders are split up into multiple parts.
We want to fill the screen, so we gotta do some hacking.
=================
*/
void HUD_DrawScope_Pic( vector vPos, vector vSize, string sSprite ) {
	drawpic( ( vPos * fSBScale ) + [ fSBOffset, 0 ], sSprite, vSize * fSBScale, '1 1 1', 1.0f );
}

/*
=================
HUD_DrawScope

Tries to draw a scope whenever viewzoom < 1.0f
=================
*/
void HUD_DrawScope( void ) {
	static vector vScopePos;
	
	// Draw the scope in the middle, seperately from the border
	vScopePos = ( vVideoResolution / 2 ) + '-128 -128';
	drawpic( vScopePos, "sprites/sniper_scope.spr_0.tga", '256 256', '1 1 1', 1.0f, DRAWFLAG_NORMAL );
	
	// Border scale to fit the screen
	fSBScale = vVideoResolution_y / 480;
	fSBOffset = ( vVideoResolution_x / 2 ) - ( ( 640 * fSBScale ) / 2 );
	
	// Type 1 Border... more coming soon?
	HUD_DrawScope_Pic( '0 0', '192 112', "sprites/top_left.spr_0.tga" );
	HUD_DrawScope_Pic( '192 0', '256 112', "sprites/top.spr_0.tga" );
	HUD_DrawScope_Pic( '448 0', '192 112', "sprites/top_right.spr_0.tga" );
	HUD_DrawScope_Pic( '0 112', '192 256', "sprites/left.spr_0.tga" );
	HUD_DrawScope_Pic( '448 112', '192 256', "sprites/right.spr_0.tga" );
	HUD_DrawScope_Pic( '0 368', '192 112', "sprites/bottom_left.spr_0.tga" );
	HUD_DrawScope_Pic( '192 368', '256 112', "sprites/bottom.spr_0.tga" );
	HUD_DrawScope_Pic( '448 368', '192 112', "sprites/bottom_right.spr_0.tga" );
	
	// Rect borders left and right
	if ( fSBOffset > 0 ) {
		drawfill( '0 0', [ fSBOffset, vVideoResolution_y ], '0 0 0', 1.0f );
		drawfill( [ ( 640 * fSBScale ) + fSBOffset, 0 ], [ fSBOffset, vVideoResolution_y ], '0 0 0', 1.0f );
	}
}