quakeforge/libs/ruamoko/rua_msgbuf.c

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/*
bi_msgbuf.c
CSQC message buffer builtins
Copyright (C) 2012 Bill Currie <bill:taniwha.org>
Author: Bill Currie <bill:taniwha.org>
Date: 2012/2/6
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include "QF/msg.h"
#include "QF/progs.h"
#include "rua_internal.h"
typedef struct msgbuf_s {
struct msgbuf_s *next;
struct msgbuf_s **prev;
qmsg_t msg;
sizebuf_t sizebuf;
} msgbuf_t;
typedef struct {
PR_RESMAP (msgbuf_t) msgbuf_map;
} msgbuf_resources_t;
static msgbuf_t *
msgbuf_new (msgbuf_resources_t *res)
{
return PR_RESNEW (res->msgbuf_map);
}
static void
msgbuf_free (progs_t *pr, msgbuf_resources_t *res, msgbuf_t *msgbuf)
{
PR_Zone_Free (pr, msgbuf->sizebuf.data);
PR_RESFREE (res->msgbuf_map, msgbuf);
}
static void
msgbuf_reset (msgbuf_resources_t *res)
{
PR_RESRESET (res->msgbuf_map);
}
static inline msgbuf_t *
msgbuf_get (msgbuf_resources_t *res, int index)
{
return PR_RESGET(res->msgbuf_map, index);
}
static inline int __attribute__((pure))
msgbuf_index (msgbuf_resources_t *res, msgbuf_t *msgbuf)
{
return PR_RESINDEX(res->msgbuf_map, msgbuf);
}
static void
bi_msgbuf_clear (progs_t *pr, void *data)
{
msgbuf_resources_t *res = (msgbuf_resources_t *) data;
msgbuf_reset (res);
}
static int
alloc_msgbuf (msgbuf_resources_t *res, byte *buf, int size)
{
msgbuf_t *msgbuf = msgbuf_new (res);
if (!msgbuf)
return 0;
memset (&msgbuf->msg, 0, sizeof (msgbuf->msg));
msgbuf->msg.message = &msgbuf->sizebuf;
memset (&msgbuf->sizebuf, 0, sizeof (msgbuf->sizebuf));
msgbuf->sizebuf.data = buf;
msgbuf->sizebuf.maxsize = size;
return msgbuf_index (res, msgbuf);
}
static msgbuf_t *
get_msgbuf (progs_t *pr, const char *name, int msgbuf)
{
msgbuf_resources_t *res = PR_Resources_Find (pr, "MsgBuf");
msgbuf_t *mb = msgbuf_get (res, msgbuf);
if (!mb)
PR_RunError (pr, "invalid msgbuf handle passed to %s", name + 3);
return mb;
}
static void
bi_MsgBuf_New (progs_t *pr)
{
msgbuf_resources_t *res = PR_Resources_Find (pr, "MsgBuf");
int size = P_INT (pr, 0);
byte *buf;
buf = PR_Zone_Malloc (pr, size);
R_INT (pr) = alloc_msgbuf (res, buf, size);
}
static void
bi_MsgBuf_Delete (progs_t *pr)
{
msgbuf_resources_t *res = PR_Resources_Find (pr, "MsgBuf");
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
msgbuf_free (pr, res, mb);
}
static void
bi_MsgBuf_FromFile (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
QFile *file = QFile_GetFile (pr, P_INT (pr, 1));
int bytes;
SZ_Clear (&mb->sizebuf);
bytes = Qread (file, mb->sizebuf.data, mb->sizebuf.maxsize);
mb->sizebuf.cursize = bytes;
MSG_BeginReading (&mb->msg);
}
static void
bi_MsgBuf_MaxSize (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_INT (pr) = mb->sizebuf.maxsize;
}
static void
bi_MsgBuf_CurSize (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_INT (pr) = mb->sizebuf.cursize;
}
static void
bi_MsgBuf_ReadCount (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_INT (pr) = mb->msg.readcount;
}
static void
bi_MsgBuf_DataPtr (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
byte *ptr = mb->sizebuf.data + mb->msg.readcount;
R_INT (pr) = ptr - (byte *) pr->pr_strings;
}
static void
bi_MsgBuf_Clear (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
SZ_Clear (&mb->sizebuf);
}
static void
bi_MsgBuf_WriteByte (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteByte (&mb->sizebuf, P_INT (pr, 1));
}
static void
bi_MsgBuf_WriteShort (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteShort (&mb->sizebuf, P_INT (pr, 1));
}
static void
bi_MsgBuf_WriteLong (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteLong (&mb->sizebuf, P_INT (pr, 1));
}
static void
bi_MsgBuf_WriteFloat (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteFloat (&mb->sizebuf, P_FLOAT (pr, 1));
}
static void
bi_MsgBuf_WriteString (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteString (&mb->sizebuf, P_GSTRING (pr, 1));
}
#if 0
static void
bi_MsgBuf_WriteBytes (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteBytes (&mb->sizebuf, P_INT (pr, 1));
}
#endif
static void
bi_MsgBuf_WriteCoord (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteCoord (&mb->sizebuf, P_FLOAT (pr, 1));
}
static void
bi_MsgBuf_WriteCoordV (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteCoordV (&mb->sizebuf, P_VECTOR (pr, 1));
}
static void
bi_MsgBuf_WriteCoordAngleV (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteCoordAngleV (&mb->sizebuf,
P_VECTOR (pr, 1), P_VECTOR (pr, 2));
}
static void
bi_MsgBuf_WriteAngle (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteAngle (&mb->sizebuf, P_FLOAT (pr, 1));
}
static void
bi_MsgBuf_WriteAngleV (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteAngleV (&mb->sizebuf, P_VECTOR (pr, 1));
}
static void
bi_MsgBuf_WriteAngle16 (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteAngle16 (&mb->sizebuf, P_FLOAT (pr, 1));
}
static void
bi_MsgBuf_WriteAngle16V (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteAngle16V (&mb->sizebuf, P_VECTOR (pr, 1));
}
static void
bi_MsgBuf_WriteUTF8 (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_WriteUTF8 (&mb->sizebuf, P_INT (pr, 1));
}
static void
bi_MsgBuf_BeginReading (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_BeginReading (&mb->msg);
}
static void
bi_MsgBuf_ReadByte (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_INT (pr) = MSG_ReadByte (&mb->msg);
}
static void
bi_MsgBuf_ReadShort (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_INT (pr) = MSG_ReadShort (&mb->msg);
}
static void
bi_MsgBuf_ReadLong (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_INT (pr) = MSG_ReadLong (&mb->msg);
}
static void
bi_MsgBuf_ReadFloat (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_FLOAT (pr) = MSG_ReadFloat (&mb->msg);
}
static void
bi_MsgBuf_ReadString (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
const char *str;
str = MSG_ReadString (&mb->msg);
RETURN_STRING (pr, str);
}
#if 0
static void
bi_MsgBuf_ReadBytes (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_ReadBytes (&mb->msg);
}
#endif
static void
bi_MsgBuf_ReadCoord (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_FLOAT (pr) = MSG_ReadCoord (&mb->msg);
}
static void
bi_MsgBuf_ReadCoordV (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_ReadCoordV (&mb->msg, R_VECTOR (pr));
}
static void
bi_MsgBuf_ReadCoordAngleV (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_ReadCoordAngleV (&mb->msg, P_VECTOR (pr, 1), P_VECTOR (pr, 2));
}
static void
bi_MsgBuf_ReadAngle (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_FLOAT (pr) = MSG_ReadAngle (&mb->msg);
}
static void
bi_MsgBuf_ReadAngleV (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_ReadAngleV (&mb->msg, R_VECTOR (pr));
}
static void
bi_MsgBuf_ReadAngle16 (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_FLOAT (pr) = MSG_ReadAngle16 (&mb->msg);
}
static void
bi_MsgBuf_ReadAngle16V (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
MSG_ReadAngle16V (&mb->msg, R_VECTOR (pr));
}
static void
bi_MsgBuf_ReadUTF8 (progs_t *pr)
{
msgbuf_t *mb = get_msgbuf (pr, __FUNCTION__, P_INT (pr, 0));
R_INT (pr) = MSG_ReadUTF8 (&mb->msg);
}
#define bi(x,np,params...) {#x, bi_##x, -1, np, {params}}
#define p(type) PR_PARAM(type)
#define P(a, s) { .size = (s), .alignment = BITOP_LOG2 (a), }
static builtin_t builtins[] = {
bi(MsgBuf_New, 1, p(int)),
bi(MsgBuf_Delete, 1, p(ptr)),
bi(MsgBuf_FromFile, 2, p(ptr), p(ptr)),
bi(MsgBuf_MaxSize, 1, p(ptr)),
bi(MsgBuf_CurSize, 1, p(ptr)),
bi(MsgBuf_ReadCount, 1, p(ptr)),
bi(MsgBuf_DataPtr, 1, p(ptr)),
bi(MsgBuf_Clear, 1, p(ptr)),
bi(MsgBuf_WriteByte, 2, p(ptr), p(int)),
bi(MsgBuf_WriteShort, 2, p(ptr), p(int)),
bi(MsgBuf_WriteLong, 2, p(ptr), p(int)),
bi(MsgBuf_WriteFloat, 2, p(ptr), p(float)),
bi(MsgBuf_WriteString, 2, p(ptr), p(string)),
// bi(MsgBuf_WriteBytes, _, _),
bi(MsgBuf_WriteCoord, 2, p(ptr), p(float)),
bi(MsgBuf_WriteCoordV, 2, p(ptr), p(vector)),
bi(MsgBuf_WriteCoordAngleV, 2, p(ptr), p(vector)),
bi(MsgBuf_WriteAngle, 2, p(ptr), p(float)),
bi(MsgBuf_WriteAngleV, 2, p(ptr), p(vector)),
bi(MsgBuf_WriteAngle16, 2, p(ptr), p(float)),
bi(MsgBuf_WriteAngle16V, 2, p(ptr), p(vector)),
bi(MsgBuf_WriteUTF8, 2, p(ptr), p(int)),
bi(MsgBuf_BeginReading, 1, p(ptr)),
bi(MsgBuf_ReadByte, 1, p(ptr)),
bi(MsgBuf_ReadShort, 1, p(ptr)),
bi(MsgBuf_ReadLong, 1, p(ptr)),
bi(MsgBuf_ReadFloat, 1, p(ptr)),
bi(MsgBuf_ReadString, 1, p(ptr)),
// bi(MsgBuf_ReadBytes, _, _),
bi(MsgBuf_ReadCoord, 1, p(ptr)),
bi(MsgBuf_ReadCoordV, 1, p(ptr)),
bi(MsgBuf_ReadCoordAngleV, 2, p(ptr), p(ptr)),
bi(MsgBuf_ReadAngle, 1, p(ptr)),
bi(MsgBuf_ReadAngleV, 1, p(ptr)),
bi(MsgBuf_ReadAngle16, 1, p(ptr)),
bi(MsgBuf_ReadAngle16V, 1, p(ptr)),
bi(MsgBuf_ReadUTF8, 1, p(ptr)),
{0}
};
void
RUA_MsgBuf_Init (progs_t *pr, int secure)
{
msgbuf_resources_t *res = calloc (sizeof (msgbuf_resources_t), 1);
PR_Resources_Register (pr, "MsgBuf", res, bi_msgbuf_clear);
PR_RegisterBuiltins (pr, builtins, res);
}