From 487a652aa86c1777ca74a9e369b567a5bdc04850 Mon Sep 17 00:00:00 2001
From: Andrey Akhmichin <15944199+nekonomicon@users.noreply.github.com>
Date: Sun, 15 Oct 2023 03:52:11 +0500
Subject: [PATCH] utils: mdldec: qc.c: calculate sequence group size.

---
 utils/mdldec/qc.c | 26 +++++++++++++++++++++++++-
 utils/mdldec/qc.h |  1 +
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/utils/mdldec/qc.c b/utils/mdldec/qc.c
index 604e7fb2..4ce21666 100644
--- a/utils/mdldec/qc.c
+++ b/utils/mdldec/qc.c
@@ -15,6 +15,7 @@ GNU General Public License for more details.
 
 #include <stdlib.h>
 #include <string.h>
+#include "xash3d_mathlib.h"
 #include "eiface.h"
 #include "studio.h"
 #include "crtlib.h"
@@ -435,6 +436,29 @@ static void WriteHitBoxInfo( FILE *fp )
 	fputs( "\n", fp );
 }
 
+/*
+============
+CalcSequenceGroupSize
+============
+*/
+static int CalcSequenceGroupSize( void )
+{
+	int			i, maxsize = 0, groupsize = DEFAULT_SEQGROUPSIZE;
+
+	for( i = 1; i < model_hdr->numseqgroups; i++ )
+		maxsize = Q_max( anim_hdr[i]->length, maxsize );
+
+	if( maxsize > 0 )
+	{
+		groupsize = maxsize / 1024;
+
+		if( maxsize % 1024 )
+			groupsize++;
+	}
+
+	return groupsize;
+}
+
 /*
 ============
 WriteSequenceInfo
@@ -449,7 +473,7 @@ static void WriteSequenceInfo( FILE *fp )
 	mstudioseqdesc_t	*seqdesc;
 
 	if( model_hdr->numseqgroups > 1 )
-		fputs( "$sequencegroupsize 64\n\n", fp );
+		fprintf( fp, "$sequencegroupsize %d\n\n", CalcSequenceGroupSize( ) );
 
 	if( model_hdr->numseq > 0 )
 		fprintf( fp, "// %i animation sequence(s)\n", model_hdr->numseq );
diff --git a/utils/mdldec/qc.h b/utils/mdldec/qc.h
index 05d538ac..75d8b5bc 100644
--- a/utils/mdldec/qc.h
+++ b/utils/mdldec/qc.h
@@ -16,6 +16,7 @@ GNU General Public License for more details.
 #ifndef QC_H
 #define QC_H
 
+#define DEFAULT_SEQGROUPSIZE	64
 #define ACTIVITIES_FILE	"activities.txt"
 
 qboolean	LoadActivityList( const char *appname );