Commonised HUD message routines. Added various cvars to control look …

…of messages.

doomsday/Include/Common/hu_msg.h

@@ -0,0 +1,36 @@
+#ifndef __HUD_MESSAGES_H__
+#define __HUD_MESSAGES_H__
+
+#ifdef __JDOOM__
+#  include "d_event.h"
+#  include "../jDoom/r_defs.h"
+#elif __JHERETIC__
+#  include "../jHeretic/Doomdef.h"
+#  include "../jHeretic/R_local.h"
+#elif __JHEXEN__
+#  include "../jHexen/h2def.h"
+#  include "../jHexen/R_local.h"
+#elif __JSTRIFE__
+#  include "../jStrife/h2def.h"
+#  include "../jStrife/R_local.h"
+#endif
+
+#define HU_MSGREFRESH	DDKEY_ENTER
+#define HU_MSGX		0
+#define HU_MSGY		0
+#define HU_MSGWIDTH	64			   // in characters
+#define HU_MSGHEIGHT	1		   // in lines
+
+#define HU_MSGTIMEOUT	(4*TICRATE)
+
+#define MAX_MESSAGES	8
+#define MAX_LINELEN		140
+#define IN_RANGE(x)		((x)>=MAX_MESSAGES? (x)-MAX_MESSAGES : (x)<0? (x)+MAX_MESSAGES : (x))
+
+void            HUMsg_Message(char *msg, int msgtics);
+void            HUMsg_Drawer(void);
+void            HUMsg_Ticker(void);
+void            HUMsg_Start(void);
+void            HUMsg_Init(void);
+
+#endif