From 7f6002caba3f0a6749820c2772161caf55b8d267 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Fri, 7 May 2021 20:00:12 +0000
Subject: Initial commit (uqm-0.8.0)

---
 src/uqm/state.h | 166 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 src/uqm/state.h

(limited to 'src/uqm/state.h')

diff --git a/src/uqm/state.h b/src/uqm/state.h
new file mode 100644
index 0000000..e469cba
--- /dev/null
+++ b/src/uqm/state.h
@@ -0,0 +1,166 @@
+//Copyright Paul Reiche, Fred Ford. 1992-2002
+
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef UQM_STATE_H_
+#define UQM_STATE_H_
+
+#include "port.h"
+#include "libs/compiler.h"
+#include <assert.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+extern void InitPlanetInfo (void);
+extern void UninitPlanetInfo (void);
+extern void GetPlanetInfo (void);
+extern void PutPlanetInfo (void);
+
+extern void InitGroupInfo (BOOLEAN FirstTime);
+extern void UninitGroupInfo (void);
+extern BOOLEAN GetGroupInfo (DWORD offset, BYTE which_group);
+extern DWORD PutGroupInfo (DWORD offset, BYTE which_group);
+#define GROUPS_RANDOM  ((DWORD)(0L))
+#define GROUPS_ADD_NEW ((DWORD)(~0L))
+#define GROUP_LIST     ((BYTE)0)
+#define GROUP_INIT_IP  ((BYTE)~0)
+		// Initialize IP group list (ip_group_q) from the actual groups
+		// (not GROUP_LIST) in one of the state files
+#define GROUP_LOAD_IP  GROUP_LIST
+		// Read IP group list into ip_group_q from the list entry
+		// (GROUP_LIST) in one of the state files
+#define GROUP_SAVE_IP  ((BYTE)~0)
+		// Write IP group list from ip_group_q to the list entry
+		// (GROUP_LIST) in one of the state files
+extern void BuildGroups (void);
+
+typedef struct GAME_STATE_FILE GAME_STATE_FILE;
+
+#define STARINFO_FILE 0
+	//"starinfo.dat"
+#define STAR_BUFSIZE (NUM_SOLAR_SYSTEMS * sizeof (DWORD) \
+		+ 3800 * (3 * sizeof (DWORD)))
+#define RANDGRPINFO_FILE 1
+	//"randgrp.dat"
+#define RAND_BUFSIZE (4 * 1024)
+#define DEFGRPINFO_FILE 2
+	//"defgrp.dat"
+#define DEF_BUFSIZE (10 * 1024)
+
+typedef enum
+{
+	STARINFO,
+	RANDGRPINFO,
+	DEFGRPINFO
+} INFO_TYPE;
+
+GAME_STATE_FILE* OpenStateFile (int stateFile, const char *mode);
+void CloseStateFile (GAME_STATE_FILE *fp);
+void DeleteStateFile (int stateFile);
+DWORD LengthStateFile (GAME_STATE_FILE *fp);
+int ReadStateFile (void *lpBuf, COUNT size, COUNT count, GAME_STATE_FILE *fp);
+int WriteStateFile (const void *lpBuf, COUNT size, COUNT count, GAME_STATE_FILE *fp);
+int SeekStateFile (GAME_STATE_FILE *fp, long offset, int whence);
+
+static inline COUNT
+sread_8 (GAME_STATE_FILE *fp, BYTE *v)
+{
+	BYTE t;
+	if (!v) /* read value ignored */
+		v = &t;
+	return ReadStateFile (v, 1, 1, fp);
+}
+
+static inline COUNT
+sread_16 (GAME_STATE_FILE *fp, UWORD *v)
+{
+	UWORD t;
+	if (!v) /* read value ignored */
+		v = &t;
+	return ReadStateFile (v, 2, 1, fp);
+}
+
+static inline COUNT
+sread_16s (GAME_STATE_FILE *fp, SWORD *v)
+{
+	UWORD t;
+	COUNT ret;
+	ret = sread_16 (fp, &t);
+	// unsigned to signed conversion
+	if (v)
+		*v = t;
+	return ret;
+}
+
+static inline COUNT
+sread_32 (GAME_STATE_FILE *fp, DWORD *v)
+{
+	DWORD t;
+	if (!v) /* read value ignored */
+		v = &t;
+	return ReadStateFile (v, 4, 1, fp);
+}
+
+static inline COUNT
+sread_a32 (GAME_STATE_FILE *fp, DWORD *ar, COUNT count)
+{
+	assert (ar != NULL);
+
+	for ( ; count > 0; --count, ++ar)
+	{
+		if (sread_32 (fp, ar) != 1)
+			return 0;
+	}
+	return 1;
+}
+
+static inline COUNT
+swrite_8 (GAME_STATE_FILE *fp, BYTE v)
+{
+	return WriteStateFile (&v, 1, 1, fp);
+}
+
+static inline COUNT
+swrite_16 (GAME_STATE_FILE *fp, UWORD v)
+{
+	return WriteStateFile (&v, 2, 1, fp);
+}
+
+static inline COUNT
+swrite_32 (GAME_STATE_FILE *fp, DWORD v)
+{
+	return WriteStateFile (&v, 4, 1, fp);
+}
+
+static inline COUNT
+swrite_a32 (GAME_STATE_FILE *fp, const DWORD *ar, COUNT count)
+{
+	for ( ; count > 0; --count, ++ar)
+	{
+		if (swrite_32 (fp, *ar) != 1)
+			return 0;
+	}
+	return 1;
+}
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* UQM_STATE_H_ */
-- 
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