[ViewVC] Diff of: cvs/deliantra/Deliantra-Client/Client.xs

Comparing deliantra/Deliantra-Client/Client.xs (file contents):
Revision 1.174 by root, Fri Apr 6 07:45:34 2007 UTC vs.
Revision 1.192 by root, Fri Apr 27 21:27:51 2007 UTC

…		…
56	# define PARACHUTE SDL_INIT_NOPARACHUTE	56	# define PARACHUTE SDL_INIT_NOPARACHUTE
57	#else	57	#else
58	# define PARACHUTE 0	58	# define PARACHUTE 0
59	#endif	59	#endif
60		60
		61	static AV *texture_av;
		62
61	static struct	63	static struct
62	{	64	{
63	#define GL_FUNC(ptr,name) ptr name;	65	#define GL_FUNC(ptr,name) ptr name;
64	#include "glfunc.h"	66	#include "glfunc.h"
65	#undef GL_FUNC	67	#undef GL_FUNC
66	} gl;	68	} gl;
67		69
		70	static void
68	static void gl_BlendFuncSeparate (GLenum sa, GLenum da, GLenum saa, GLenum daa)	71	gl_BlendFuncSeparate (GLenum sa, GLenum da, GLenum saa, GLenum daa)
69	{	72	{
70	if (gl.BlendFuncSeparate)	73	if (gl.BlendFuncSeparate)
71	gl.BlendFuncSeparate (sa, da, saa, daa);	74	gl.BlendFuncSeparate (sa, da, saa, daa);
72	else if (gl.BlendFuncSeparateEXT)	75	else if (gl.BlendFuncSeparateEXT)
73	gl.BlendFuncSeparateEXT (sa, da, saa, daa);	76	gl.BlendFuncSeparateEXT (sa, da, saa, daa);
74	else	77	else
75	glBlendFunc (sa, da);	78	glBlendFunc (sa, da);
76	}	79	}
77		80
		81	static GLuint
		82	gen_texture ()
		83	{
		84	GLuint name;
		85
		86	if (AvFILL (texture_av) >= 0)
		87	name = (GLuint)(size_t)av_pop (texture_av);
		88	else
		89	glGenTextures (1, &name);
		90
		91	return name;
		92	}
		93
		94	static void
		95	del_texture (GLuint name)
		96	{
		97	/* make a half-assed attempt at returning the memory used by the texture */
		98	/* textures are frequently being reused by cfplus anyway */
		99	/glBindTexture (GL_TEXTURE_2D, name);/
		100	/glTexImage2D (GL_TEXTURE_2D, 0, GL_ALPHA, 0, 0, 0, GL_ALPHA, GL_UNSIGNED_BYTE, 0);/
		101	av_push (texture_av, (SV *)(size_t)name);
		102	glDeleteTextures (1, &name);
		103	}
		104
78	#include "texcache.c"	105	#include "texcache.c"
79		106
80	#include "pango-font.c"	107	#include "pango-font.c"
81	#include "pango-fontmap.c"	108	#include "pango-fontmap.c"
82	#include "pango-render.c"	109	#include "pango-render.c"
…		…
163	typedef struct {	190	typedef struct {
164	int name;	191	int name;
165	int w, h;	192	int w, h;
166	float s, t;	193	float s, t;
167	uint8_t r, g, b, a;	194	uint8_t r, g, b, a;
		195	tileid smoothtile;
		196	uint8_t smoothlevel;
168	} maptex;	197	} maptex;
169		198
170	typedef struct {	199	typedef struct {
171	uint32_t player;	200	uint32_t player;
172	tileid tile[3];	201	tileid tile[3];
173	uint16_t darkness;	202	uint16_t darkness;
174	uint8_t stat_width, stat_hp, flags;	203	uint8_t stat_width, stat_hp, flags, smoothmax;
175	} mapcell;	204	} mapcell;
176		205
177	typedef struct {	206	typedef struct {
178	int32_t c0, c1;	207	int32_t c0, c1;
179	mapcell *col;	208	mapcell *col;
…		…
333	cell->stat_hp = 0;	362	cell->stat_hp = 0;
334	cell->flags = 0;	363	cell->flags = 0;
335	cell->player = 0;	364	cell->player = 0;
336	}	365	}
337	}	366	}
		367	}
		368
		369	typedef struct {
		370	tileid tile;
		371	uint8_t x, y, level;
		372	} smooth_key;
		373
		374	static void
		375	smooth_or_bits (HV hv, smooth_key key, IV bits)
		376	{
		377	SV *sv = hv_fetch (hv, (char )key, sizeof (*key), 1);
		378
		379	if (SvIOK (*sv))
		380	SvIV_set (sv, SvIVX (sv) \| bits);
		381	else
		382	sv_setiv (*sv, bits);
338	}	383	}
339		384
340	static void	385	static void
341	music_finished (void)	386	music_finished (void)
342	{	387	{
…		…
596	RETVAL = !!SDL_SetVideoMode (	641	RETVAL = !!SDL_SetVideoMode (
597	w, h, 0, SDL_OPENGL \| (fullscreen ? SDL_FULLSCREEN : 0)	642	w, h, 0, SDL_OPENGL \| (fullscreen ? SDL_FULLSCREEN : 0)
598	);	643	);
599	if (RETVAL)	644	if (RETVAL)
600	{	645	{
		646	av_clear (texture_av);
		647
601	SDL_WM_SetCaption ("Crossfire+ Client " VERSION, "Crossfire+");	648	SDL_WM_SetCaption ("Crossfire+ Client " VERSION, "Crossfire+");
602	# define GL_FUNC(ptr,name) gl.name = (ptr)SDL_GL_GetProcAddress ("gl" # name);	649	# define GL_FUNC(ptr,name) gl.name = (ptr)SDL_GL_GetProcAddress ("gl" # name);
603	# include "glfunc.h"	650	# include "glfunc.h"
604	# undef GL_FUNC	651	# undef GL_FUNC
		652
605	}	653	}
606	OUTPUT:	654	OUTPUT:
607	RETVAL	655	RETVAL
608		656
609	void	657	void
…		…
683	Mix_AllocateChannels (int numchans = -1)	731	Mix_AllocateChannels (int numchans = -1)
684		732
685	void	733	void
686	lowdelay (int fd, int val = 1)	734	lowdelay (int fd, int val = 1)
687	CODE:	735	CODE:
688	#ifndef _WIN32
689	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));	736	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (void *)&val, sizeof (val));
690	#endif
691		737
692	void	738	void
693	win32_proxy_info ()	739	win32_proxy_info ()
694	PPCODE:	740	PPCODE:
695	{	741	{
…		…
1295	need_facenum (self, face); self->face2tile [face] = tile;	1341	need_facenum (self, face); self->face2tile [face] = tile;
1296	need_texid (self, tile);	1342	need_texid (self, tile);
1297	}	1343	}
1298		1344
1299	void	1345	void
		1346	set_smooth (CFPlus::Map self, int face, int smooth, int level)
		1347	CODE:
		1348	{
		1349	tileid texid;
		1350	maptex *tex;
		1351
		1352	if (face < 0 \|\| face >= self->faces)
		1353	return;
		1354
		1355	if (smooth < 0 \|\| smooth >= self->faces)
		1356	return;
		1357
		1358	texid = self->face2tile [face];
		1359
		1360	if (!texid)
		1361	return;
		1362
		1363	tex = self->tex + texid;
		1364	tex->smoothtile = self->face2tile [smooth];
		1365	tex->smoothlevel = level;
		1366	}
		1367
		1368	void
1300	set_texture (CFPlus::Map self, int texid, int name, int w, int h, float s, float t, int r, int g, int b, int a)	1369	set_texture (CFPlus::Map self, int texid, int name, int w, int h, float s, float t, int r, int g, int b, int a)
1301	CODE:	1370	CODE:
1302	{	1371	{
1303	need_texid (self, texid);	1372	need_texid (self, texid);
1304		1373
…		…
1352	CODE:	1421	CODE:
1353	{	1422	{
1354	if (dx > 0)	1423	if (dx > 0)
1355	map_blank (self, self->x, self->y, dx, self->h);	1424	map_blank (self, self->x, self->y, dx, self->h);
1356	else if (dx < 0)	1425	else if (dx < 0)
1357	map_blank (self, self->x + self->w + dx + 1, self->y, -dx, self->h);	1426	map_blank (self, self->x + self->w + dx, self->y, -dx, self->h);
1358		1427
1359	if (dy > 0)	1428	if (dy > 0)
1360	map_blank (self, self->x, self->y, self->w, dy);	1429	map_blank (self, self->x, self->y, self->w, dy);
1361	else if (dy < 0)	1430	else if (dy < 0)
1362	map_blank (self, self->x, self->y + self->h + dy + 1, self->w, -dy);	1431	map_blank (self, self->x, self->y + self->h + dy, self->w, -dy);
1363		1432
1364	self->ox += dx; self->x += dx;	1433	self->ox += dx; self->x += dx;
1365	self->oy += dy; self->y += dy;	1434	self->oy += dy; self->y += dy;
1366		1435
1367	while (self->y < 0)	1436	while (self->y < 0)
…		…
1421	}	1490	}
1422	else if (cmd == 6) // monster width	1491	else if (cmd == 6) // monster width
1423	cell->stat_width = *data++ + 1;	1492	cell->stat_width = *data++ + 1;
1424	else if (cmd == 0x47)	1493	else if (cmd == 0x47)
1425	{	1494	{
1426	if (*data == 8)	1495	if (*data == 4)
1427	; // decode player uuid	1496	; // decode player count
1428		1497
1429	data += *data + 1;	1498	data += *data + 1;
1430	}	1499	}
1431	else if (cmd == 8) // cell flags	1500	else if (cmd == 8) // cell flags
1432	cell->flags = *data++;	1501	cell->flags = *data++;
…		…
1524		1593
1525	void	1594	void
1526	draw (CFPlus::Map self, int mx, int my, int sw, int sh, int T)	1595	draw (CFPlus::Map self, int mx, int my, int sw, int sh, int T)
1527	CODE:	1596	CODE:
1528	{	1597	{
		1598	HV smooth = (HV )sv_2mortal ((SV *)newHV ());
		1599	uint32_t smooth_level[256 / 32]; // one bit for every possible smooth level
		1600	static uint8_t smooth_max[256][256]; // egad, fats and wasteful on memory (64k)
		1601	smooth_key skey;
1529	int x, y, z;	1602	int x, y, z;
1530	int last_name;	1603	int last_name;
		1604
		1605	// thats current max. sorry.
		1606	if (sw > 255) sw = 255;
		1607	if (sh > 255) sh = 255;
		1608
		1609	// clear key, in case of extra padding
		1610	memset (&skey, 0, sizeof (skey));
1531		1611
1532	glColor4ub (255, 255, 255, 255);	1612	glColor4ub (255, 255, 255, 255);
1533		1613
1534	glEnable (GL_BLEND);	1614	glEnable (GL_BLEND);
1535	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);	1615	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
…		…
1541	last_name = 0;	1621	last_name = 0;
1542		1622
1543	mx += self->x;	1623	mx += self->x;
1544	my += self->y;	1624	my += self->y;
1545		1625
		1626	// first pass: determine smooth_max
		1627	// rather ugly, if you ask me
		1628	// could also be stored inside mapcell and updated on change
		1629	memset (smooth_max, 0, sizeof (smooth_max));
		1630
		1631	for (y = 0; y < sh; y++)
		1632	if (0 <= y + my && y + my < self->rows)
		1633	{
		1634	maprow *row = self->row + (y + my);
		1635
		1636	for (x = 0; x < sw; x++)
		1637	if (row->c0 <= x + mx && x + mx < row->c1)
		1638	{
		1639	mapcell *cell = row->col + (x + mx - row->c0);
		1640
		1641	smooth_max[x + 1][y + 1] =
		1642	MAX (self->tex [cell->tile [0]].smoothlevel,
		1643	MAX (self->tex [cell->tile [1]].smoothlevel,
		1644	self->tex [cell->tile [2]].smoothlevel));
		1645	}
		1646	}
		1647
1546	for (z = 0; z < 3; z++)	1648	for (z = 0; z <= 2; z++)
		1649	{
		1650	memset (smooth_level, 0, sizeof (smooth_level));
		1651
1547	for (y = 0; y < sh; y++)	1652	for (y = 0; y < sh; y++)
1548	if (0 <= y + my && y + my < self->rows)	1653	if (0 <= y + my && y + my < self->rows)
1549	{	1654	{
1550	maprow *row = self->row + (y + my);	1655	maprow *row = self->row + (y + my);
1551		1656
1552	for (x = 0; x < sw; x++)	1657	for (x = 0; x < sw; x++)
1553	if (row->c0 <= x + mx && x + mx < row->c1)	1658	if (row->c0 <= x + mx && x + mx < row->c1)
1554	{	1659	{
1555	mapcell *cell = row->col + (x + mx - row->c0);	1660	mapcell *cell = row->col + (x + mx - row->c0);
1556	tileid tile = cell->tile [z];	1661	tileid tile = cell->tile [z];
		1662
		1663	if (tile)
		1664	{
		1665	maptex tex = self->tex [tile];
		1666	int px = (x + 1) * T - tex.w;
		1667	int py = (y + 1) * T - tex.h;
		1668
		1669	// suppressing texture state switches here
		1670	// is only moderately effective, but worth the extra effort
		1671	if (last_name != tex.name)
		1672	{
		1673	if (!tex.name)
		1674	tex = self->tex [2]; /* missing, replace by noface */
		1675
		1676	glEnd ();
		1677	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
		1678	glBegin (GL_QUADS);
		1679	}
		1680
		1681	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
		1682	glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);
		1683	glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
		1684	glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );
		1685
		1686	if (cell->flags && z == 2)
		1687	{
		1688	if (cell->flags & 1)
		1689	{
		1690	maptex tex = self->tex [1];
		1691	int px = x * T + T * 2 / 32;
		1692	int py = y * T - T * 6 / 32;
		1693
		1694	glEnd ();
		1695	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
		1696	glBegin (GL_QUADS);
		1697
		1698	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
		1699	glTexCoord2f (0 , tex.t); glVertex2f (px , py + T);
		1700	glTexCoord2f (tex.s, tex.t); glVertex2f (px + T, py + T);
		1701	glTexCoord2f (tex.s, 0 ); glVertex2f (px + T, py );
		1702	}
		1703	}
		1704
		1705	// update smooth hash
		1706	if (tex.smoothtile)
		1707	{
		1708	skey.tile = tex.smoothtile;
		1709	skey.level = tex.smoothlevel;
		1710
		1711	smooth_level [tex.smoothlevel >> 5] \|= ((uint32_t)1) << (tex.smoothlevel & 31);
		1712
		1713	// add bits to current tile and all neighbours. skey.x\|y is
		1714	// shifted +1\|+1 so we always stay positive.
		1715
		1716	// bits is ___n cccc CCCC bbbb
		1717	// n do not draw borders&corners
		1718	// c draw these corners, but...
		1719	// C ... not these
		1720	// b draw these borders
		1721
		1722	// borders: 1 ┃· 2 ━━ 4 ·┃ 8 ··
		1723	// ┃· ·· ·┃ ━━
		1724
		1725	// corners: 1 ┛· 2 ·┗ 4 ·· 8 ··
		1726	// ·· ·· ·┏ ┓·
		1727
		1728	// full tile
		1729	skey.x = x + 1; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x1000);
		1730
		1731	// borders
		1732	skey.x = x + 2; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0091);
		1733	skey.x = x + 1; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0032);
		1734	skey.x = x ; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0064);
		1735	skey.x = x + 1; skey.y = y ; smooth_or_bits (smooth, &skey, 0x00c8);
		1736
		1737	// corners
		1738	skey.x = x + 2; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0100);
		1739	skey.x = x ; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0200);
		1740	skey.x = x ; skey.y = y ; smooth_or_bits (smooth, &skey, 0x0400);
		1741	skey.x = x + 2; skey.y = y ; smooth_or_bits (smooth, &skey, 0x0800);
		1742	}
		1743	}
1557		1744	}
		1745	}
		1746
		1747	// go through all smoothlevels, lowest to highest, then draw.
		1748	// this is basically counting sort
		1749	{
		1750	int w, b;
		1751
		1752	for (w = 0; w < 256 / 32; ++w)
		1753	{
		1754	uint32_t smask = smooth_level [w];
1558	if (tile)	1755	if (smask)
		1756	for (b = 0; b < 32; ++b)
		1757	if (smask & (((uint32_t)1) << b))
1559	{	1758	{
1560	maptex tex = self->tex [tile];	1759	int level = (w << 5) \| b;
1561	int px = (x + 1) * T - tex.w;	1760	HE *he;
1562	int py = (y + 1) * T - tex.h;
1563		1761
1564	if (last_name != tex.name)	1762	hv_iterinit (smooth);
		1763	while ((he = hv_iternext (smooth)))
1565	{	1764	{
		1765	smooth_key skey = (smooth_key )HeKEY (he);
		1766	IV bits = SvIVX (HeVAL (he));
		1767
1566	if (!tex.name)	1768	if (!(bits & 0x1000)
1567	tex = self->tex [2]; /* missing, replace by noface */	1769	&& skey->level == level
1568		1770	&& level > smooth_max [skey->x][skey->y])
1569	glEnd ();
1570	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
1571	glBegin (GL_QUADS);
1572	}
1573
1574	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
1575	glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);
1576	glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
1577	glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );
1578
1579	if (cell->flags && z == 2)
1580	{
1581	if (cell->flags & 1)
1582	{	1771	{
1583	maptex tex = self->tex [1];	1772	maptex tex = self->tex [skey->tile];
1584	int px = x * T + T * 2 / 32;	1773	int px = (((int)skey->x) - 1) * T;
1585	int py = y * T - T * 6 / 32;	1774	int py = (((int)skey->y) - 1) * T;
		1775	int border = bits & 15;
		1776	int corner = (bits >> 8) & ~(bits >> 4) & 15;
		1777	float dx = tex.s * .0625f; // 16 images/row
		1778	float dy = tex.t * .5f ; // 2 images/column
1586		1779
		1780	// this time naively avoiding texture state changes
		1781	// save gobs of state changes.
		1782	if (last_name != tex.name)
		1783	{
		1784	if (!tex.name)
		1785	continue; // smoothing not yet available
		1786
1587	glEnd ();	1787	glEnd ();
1588	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);	1788	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
1589	glBegin (GL_QUADS);	1789	glBegin (GL_QUADS);
		1790	}
1590		1791
		1792	if (border)
		1793	{
		1794	float ox = border * dx;
		1795
		1796	glTexCoord2f (ox , 0.f ); glVertex2f (px , py );
		1797	glTexCoord2f (ox , dy ); glVertex2f (px , py + T);
		1798	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py + T);
		1799	glTexCoord2f (ox + dx, 0.f ); glVertex2f (px + T, py );
		1800	}
		1801
		1802	if (corner)
		1803	{
		1804	float ox = corner * dx;
		1805
1591	glTexCoord2f (0 , 0 ); glVertex2f (px , py );	1806	glTexCoord2f (ox , dy ); glVertex2f (px , py );
1592	glTexCoord2f (0 , tex.t); glVertex2f (px , py + T);	1807	glTexCoord2f (ox , dy * 2.f); glVertex2f (px , py + T);
1593	glTexCoord2f (tex.s, tex.t); glVertex2f (px + T, py + T);	1808	glTexCoord2f (ox + dx, dy * 2.f); glVertex2f (px + T, py + T);
1594	glTexCoord2f (tex.s, 0 ); glVertex2f (px + T, py );	1809	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py );
		1810	}
1595	}	1811	}
1596	}	1812	}
1597	}	1813	}
1598	}
1599	}	1814	}
		1815	}
		1816
		1817	hv_clear (smooth);
		1818	}
1600		1819
1601	glEnd ();	1820	glEnd ();
1602		1821
1603	glDisable (GL_TEXTURE_2D);	1822	glDisable (GL_TEXTURE_2D);
1604	glDisable (GL_BLEND);	1823	glDisable (GL_BLEND);
…		…
1856		2075
1857	for (z = 0; z <= 2; z++)	2076	for (z = 0; z <= 2; z++)
1858	{	2077	{
1859	tileid t = tile [z];	2078	tileid t = tile [z];
1860		2079
1861	if (t >= self->texs \|\| !self->tex [t].name)	2080	if (t >= self->texs \|\| (t && !self->tex [t].name))
1862	{	2081	{
1863	XPUSHs (sv_2mortal (newSViv (t)));	2082	XPUSHs (sv_2mortal (newSViv (t)));
1864	need_texid (self, t);	2083	need_texid (self, t);
1865	}	2084	}
1866		2085
…		…
2021	# undef const_iv	2240	# undef const_iv
2022	};	2241	};
2023		2242
2024	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	2243	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
2025	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	2244	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		2245
		2246	texture_av = newAV ();
		2247	AvREAL_off (texture_av);
2026	}	2248	}
2027		2249
2028	char *	2250	char *
2029	gl_vendor ()	2251	gl_vendor ()
2030	CODE:	2252	CODE:
…		…
2179		2401
2180	void glCopyPixels (int x, int y, int width, int height, int type = GL_COLOR)	2402	void glCopyPixels (int x, int y, int width, int height, int type = GL_COLOR)
2181		2403
2182	int glGenTexture ()	2404	int glGenTexture ()
2183	CODE:	2405	CODE:
2184	{	2406	RETVAL = gen_texture ();
2185	GLuint name;
2186	glGenTextures (1, &name);
2187	RETVAL = name;
2188	}
2189	OUTPUT:	2407	OUTPUT:
2190	RETVAL	2408	RETVAL
2191		2409
2192	void glDeleteTexture (int name)	2410	void glDeleteTexture (int name)
2193	CODE:	2411	CODE:
2194	{
2195	GLuint name_ = name;
2196	glDeleteTextures (1, &name_);	2412	del_texture (name);
2197	}	2413
2198
2199	int glGenList ()	2414	int glGenList ()
2200	CODE:	2415	CODE:
2201	RETVAL = glGenLists (1);	2416	RETVAL = glGenLists (1);
2202	OUTPUT:	2417	OUTPUT:
2203	RETVAL	2418	RETVAL

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Comparing deliantra/Deliantra-Client/Client.xs (file contents): Revision 1.174 by root, Fri Apr 6 07:45:34 2007 UTC vs. Revision 1.192 by root, Fri Apr 27 21:27:51 2007 UTC

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Comparing deliantra/Deliantra-Client/Client.xs (file contents):
Revision 1.174 by root, Fri Apr 6 07:45:34 2007 UTC vs.
Revision 1.192 by root, Fri Apr 27 21:27:51 2007 UTC