Using getimagesize to allow more variable btn_main.bmp files.

Source/Menu/Defs.h

@@ -38,6 +38,9 @@ var float fMouseClick;
 var float fButtonAlpha[8];
 var float fScrollWheel;
 
+var vector vMenuButtonsSize;
+var int iMenuButtonHeight;
+
 enum {
 	SCROLL_NONE,
 	SCROLL_UP,

Source/Menu/Init.c

@@ -27,6 +27,7 @@ Precaches and loading for the menu system
 */
 void m_init( void ) {
 	precache_pic( "gfx/shell/splash" );
+	precache_pic( "gfx/shell/btns_main" );
 	
 	// Index all the maps... TODO: Filter out /valve/ to avoid useless junk from being cached.
 	searchhandle shMaps = search_begin( "maps/*.bsp", TRUE, TRUE );
@@ -39,6 +40,9 @@ void m_init( void ) {
 
 	search_end( shMaps );
 	FONT_MENU = loadfont( "menu", "gfx/menuchars", "32", -1 );
+	
+	vMenuButtonsSize = drawgetimagesize( "gfx/shell/btns_main" );
+	iMenuButtonHeight = ( vMenuButtonsSize_y / MENU_BUTTONS ) / 3;
 }
 
 /*

Source/Menu/Objects.c

@@ -124,8 +124,8 @@ void Object_Button( vector vPosition, int iButtonID, void() vFunction, __inout f
 
 	vector vSrcPos, vSrcSize;
 	vSrcPos_x = 0;
-	vSrcPos_y = ( 78 * iButtonID ) / 5538;
-	vSrcSize = [ 1, 26 / 5538 ];
+	vSrcPos_y = ( 78 * iButtonID ) / vMenuButtonsSize_y;
+	vSrcSize = [ 1, iMenuButtonHeight / vMenuButtonsSize_y ];
 	drawsubpic( vPosition, '156 26', "gfx/shell/btns_main", vSrcPos, vSrcSize, '1 1 1', 1.0f, 1 );
 	drawsubpic( vPosition, '156 26', "gfx/shell/btns_main", vSrcPos + [ 0, 52 / 5538 ], vSrcSize, '1 1 1', fAlpha, 1 );
 }