From ca95865c8c7899a27352bc4a27fb838a5fa03303 Mon Sep 17 00:00:00 2001
From: cypress <motolegacy@proton.me>
Date: Sat, 28 Oct 2023 12:09:06 -0400
Subject: [PATCH] Draw on-screen Bouncing Betty prompt

---
 source/cl_hud.c    | 26 ++++++++++++++++++++++++++
 source/cl_parse.c  |  6 +++++-
 source/gl_screen.c | 26 ++++++++++++++++++++++++++
 source/pr_cmds.c   | 26 ++++++++++++++++++++++++++
 source/protocol.h  |  1 +
 source/screen.h    |  2 ++
 6 files changed, 86 insertions(+), 1 deletion(-)

diff --git a/source/cl_hud.c b/source/cl_hud.c
index 70fd040..db2f186 100644
--- a/source/cl_hud.c
+++ b/source/cl_hud.c
@@ -66,6 +66,7 @@ int  x_value, y_value;
 void M_DrawPic (int x, int y, qpic_t *pic);
 
 double HUD_Change_time;//hide hud when not chagned
+double bettyprompt_time;
 
 extern cvar_t waypoint_mode;
 
@@ -1348,6 +1349,28 @@ void HUD_Weapon (void)
 	Draw_String (x_value, y_value, str);
 }
 
+/*
+===============
+HUD_BettyPrompt
+===============
+*/
+void HUD_BettyPrompt (void)
+{
+	char str[32];
+	char str2[32];
+
+	strcpy(str, va("Tap SWAP then press %s to\n", GetGrenadeButtonL()));
+	strcpy(str2, "place a Bouncing Betty\n");
+
+	int x, x2;
+	x = (vid.width - strlen(str)*8)/2;
+	x2 = (vid.width - strlen(str2)*8)/2;
+
+	Draw_String(x, 60, str);
+	Draw_String(x2, 72, str2);
+	Draw_Pic (x + 20*8 - 4, 56, GetButtonIcon("+grenade"));
+}
+
 /*
 ===============
 HUD_Draw
@@ -1383,6 +1406,9 @@ void HUD_Draw (void)
 		return;
 	}
 
+	if (bettyprompt_time > sv.time)
+		HUD_BettyPrompt();
+
 	HUD_Blood();
 	HUD_Rounds();
 	HUD_Perks();
diff --git a/source/cl_parse.c b/source/cl_parse.c
index a226457..b0b1e2a 100644
--- a/source/cl_parse.c
+++ b/source/cl_parse.c
@@ -1021,7 +1021,7 @@ void CL_ParseLimbUpdate (void)
 
 #define SHOWNET(x) if(cl_shownet.value==2)Con_Printf ("%3i:%s\n", msg_readcount-1, x);
 
-
+extern double bettyprompt_time;
 void CL_ParseServerMessage (void)
 {
 	int			cmd;
@@ -1114,6 +1114,10 @@ void CL_ParseServerMessage (void)
 		case svc_pulse:
 			crosshair_pulse_grenade = true;
 			break;
+
+		case svc_bettyprompt:
+			bettyprompt_time = sv.time + 4;
+			break;
 			
 		case svc_stufftext:
 			Cbuf_AddText (MSG_ReadString ());
diff --git a/source/gl_screen.c b/source/gl_screen.c
index bb0e485..c5ca059 100644
--- a/source/gl_screen.c
+++ b/source/gl_screen.c
@@ -339,6 +339,32 @@ char *GetUseButtonL ()
 	return " ";
 }
 
+char *GetGrenadeButtonL ()
+{
+	int		j;
+	int		l;
+	char	*b;
+	l = strlen("+grenade");
+
+	for (j=0 ; j<256 ; j++)
+	{
+		b = keybindings[j];
+		if (!b)
+			continue;
+		if (!strncmp (b, "+grenade", l) )
+		{
+			if (!strcmp(Key_KeynumToString(j), "SELECT") ||
+				!strcmp(Key_KeynumToString(j), "LTRIGGER") ||
+				!strcmp(Key_KeynumToString(j), "RTRIGGER") ||
+				!strcmp(Key_KeynumToString(j), "HOME"))
+				return "  ";
+			else
+				return " ";
+		}
+	}
+	return " ";
+}
+
 char *GetPerkName (int perk)
 {
 	switch (perk)
diff --git a/source/pr_cmds.c b/source/pr_cmds.c
index a335efd..de4be2b 100644
--- a/source/pr_cmds.c
+++ b/source/pr_cmds.c
@@ -3231,6 +3231,31 @@ void PF_GrenadePulse(void)
 	MSG_WriteByte (&client->message,svc_pulse);
 }
 
+/*
+=================
+PF_BettyPrompt
+
+draws status on hud on
+how to use bouncing
+betty.
+
+nzp_bettyprompt()
+=================
+*/
+void PF_BettyPrompt(void)
+{
+	client_t	*client;
+	int			entnum;
+
+	entnum = G_EDICTNUM(OFS_PARM0);
+
+	if (entnum < 1 || entnum > svs.maxclients)
+		return;
+
+	client = &svs.clients[entnum-1];
+	MSG_WriteByte (&client->message, svc_bettyprompt);
+}
+
 /*
 =================
 PF_MaxZombies
@@ -3848,6 +3873,7 @@ PF_SongEgg, // #500
 PF_MaxAmmo, // #501
 PF_GrenadePulse, // #502 
 PF_MaxZombies, // #503 
+PF_BettyPrompt, // #504
 PF_Fixme,
 };
 
diff --git a/source/protocol.h b/source/protocol.h
index fd73829..aa1f73f 100644
--- a/source/protocol.h
+++ b/source/protocol.h
@@ -151,6 +151,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #define svc_songegg 		44  	// [string] track name
 #define svc_maxammo 		45
 #define svc_pulse 			46
+#define svc_bettyprompt		47
 
 //
 // client to server
diff --git a/source/screen.h b/source/screen.h
index a0da579..390e9ca 100644
--- a/source/screen.h
+++ b/source/screen.h
@@ -29,6 +29,8 @@ void SCR_SizeDown (void);
 void SCR_BringDownConsole (void);
 void SCR_CenterPrint (char *str);
 void SCR_UsePrint (int type, int cost, int weapon);
+qpic_t *GetButtonIcon (char *buttonname);
+char *GetGrenadeButtonL();
 
 void SCR_BeginLoadingPlaque (void);
 void SCR_EndLoadingPlaque (void);