From c3ea7019c9ce6dd91e6f40a027a45cd27da17385 Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Wed, 25 Feb 2009 10:28:47 +0000
Subject: [PATCH] ZQ_PAUSE extension patch from GreEn`mArine

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8757 d7cf8633-e32d-0410-b094-e92efae38249
---
 clvm_cmds.c  | 11 +++++++++++
 host.c       |  5 +++++
 progsvm.h    |  1 +
 prvm_edict.c |  1 +
 server.h     |  1 +
 svvm_cmds.c  | 32 ++++++++++++++++++++++++++++++++
 6 files changed, 51 insertions(+)

diff --git a/clvm_cmds.c b/clvm_cmds.c
index f0faa31f..7849ffe2 100644
--- a/clvm_cmds.c
+++ b/clvm_cmds.c
@@ -3606,6 +3606,17 @@ VM_cvar_description,					// #518 float(string name) cvar_description = #518; (DP
 NULL,							// #519
 VM_keynumtostring,				// #520 string keynumtostring(float keynum)
 VM_findkeysforcommand,		// #521 string findkeysforcommand(string command)
+NULL,							// #522
+NULL,							// #523
+NULL,							// #524
+NULL,							// #525
+NULL,							// #526
+NULL,							// #527
+NULL,							// #528
+NULL,							// #529
+NULL,							// #530
+NULL,					// #531
+NULL,							// #532
 };
 
 const int vm_cl_numbuiltins = sizeof(vm_cl_builtins) / sizeof(prvm_builtin_t);
diff --git a/host.c b/host.c
index f00b8e6d..dbad918f 100644
--- a/host.c
+++ b/host.c
@@ -801,6 +801,11 @@ void Host_Main(void)
 
 			// send all messages to the clients
 			SV_SendClientMessages();
+			
+			if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
+				prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
+				PRVM_ExecuteProgram(prog->funcoffsets.SV_PausedTic, "QC function SV_PausedTic is missing");
+			}
 
 			// end the server VM frame
 			SV_VM_End();
diff --git a/progsvm.h b/progsvm.h
index 1f459d43..d53c6f42 100644
--- a/progsvm.h
+++ b/progsvm.h
@@ -300,6 +300,7 @@ typedef struct prvm_prog_funcoffsets_s
 	func_t GameCommand; // any
 	func_t SV_Shutdown; // ssqc
 	func_t URI_Get_Callback; // any
+	func_t SV_PausedTic; //ssqc
 
 	// menu qc only uses some functions, nothing else
 	func_t m_draw; // mqc
diff --git a/prvm_edict.c b/prvm_edict.c
index 72b9c3e2..a751a15e 100644
--- a/prvm_edict.c
+++ b/prvm_edict.c
@@ -1523,6 +1523,7 @@ void PRVM_FindOffsets(void)
 	prog->funcoffsets.GameCommand                     = PRVM_ED_FindFunctionOffset("GameCommand");
 	prog->funcoffsets.SV_Shutdown                     = PRVM_ED_FindFunctionOffset("SV_Shutdown");
 	prog->funcoffsets.URI_Get_Callback                = PRVM_ED_FindFunctionOffset("URI_Get_Callback");
+	prog->funcoffsets.SV_PausedTic                    = PRVM_ED_FindFunctionOffset("SV_PausedTic");
 	prog->globaloffsets.SV_InitCmd                    = PRVM_ED_FindGlobalOffset("SV_InitCmd");
 	prog->globaloffsets.self                          = PRVM_ED_FindGlobalOffset("self");
 	prog->globaloffsets.time                          = PRVM_ED_FindGlobalOffset("time");
diff --git a/server.h b/server.h
index 7095d436..99c5296d 100644
--- a/server.h
+++ b/server.h
@@ -68,6 +68,7 @@ typedef struct server_s
 	qboolean active;
 
 	qboolean paused;
+	double pausedstart;
 	// handle connections specially
 	qboolean loadgame;
 
diff --git a/svvm_cmds.c b/svvm_cmds.c
index 9ce38d3b..0bd684c9 100644
--- a/svvm_cmds.c
+++ b/svvm_cmds.c
@@ -170,6 +170,7 @@ char *vm_sv_extensions =
 "PRYDON_CLIENTCURSOR "
 "TENEBRAE_GFX_DLIGHTS "
 "TW_SV_STEPCONTROL "
+"ZQ_PAUSE "
 //"EXT_CSQC " // not ready yet
 ;
 
@@ -2954,6 +2955,24 @@ static void VM_SV_pointparticles (void)
 	SV_FlushBroadcastMessages();
 }
 
+//PF_setpause,    // void(float pause) setpause	= #531;
+static void VM_SV_setpause(void) {
+	int pauseValue;
+	pauseValue = (int)PRVM_G_FLOAT(OFS_PARM0);
+	if (pauseValue != 0) { //pause the game
+		sv.paused = 1;
+		sv.pausedstart = Sys_DoubleTime();
+	} else { //disable pause, in case it was enabled
+		if (sv.paused != 0) {
+			sv.paused = 0;
+			sv.pausedstart = 0;
+		}
+	}
+	// send notification to all clients
+	MSG_WriteByte(&sv.reliable_datagram, svc_setpause);
+	MSG_WriteByte(&sv.reliable_datagram, sv.paused);
+}
+
 prvm_builtin_t vm_sv_builtins[] = {
 NULL,							// #0 NULL function (not callable) (QUAKE)
 VM_makevectors,					// #1 void(vector ang) makevectors (QUAKE)
@@ -3479,6 +3498,19 @@ VM_argv_end_index,						// #516 float(float idx) argv_end_index = #516; (DP_QC_T
 VM_buf_cvarlist,						// #517 void(float buf, string prefix, string antiprefix) buf_cvarlist = #517; (DP_QC_STRINGBUFFERS_CVARLIST)
 VM_cvar_description,					// #518 float(string name) cvar_description = #518; (DP_QC_CVAR_DESCRIPTION)
 NULL,							// #519
+NULL,							// #520
+NULL,							// #521
+NULL,							// #522
+NULL,							// #523
+NULL,							// #524
+NULL,							// #525
+NULL,							// #526
+NULL,							// #527
+NULL,							// #528
+NULL,							// #529
+NULL,							// #530
+VM_SV_setpause,					// #531 void(float pause) setpause = #531;
+NULL,							// #532
 };
 
 const int vm_sv_numbuiltins = sizeof(vm_sv_builtins) / sizeof(prvm_builtin_t);
-- 
2.39.2