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/cvs/deliantra/Deliantra-Client/Client.xs

Comparing deliantra/Deliantra-Client/Client.xs (file contents):
Revision 1.15 by root, Tue Apr 11 13:14:36 2006 UTC vs.
Revision 1.128 by root, Wed Jul 5 03:01:01 2006 UTC

		1	#ifdef _WIN32
		2	# define _WIN32_WINNT 0x0500 // needed to get win2000 api calls
		3	# include <malloc.h>
		4	# include <windows.h>
		5	# pragma warning(disable:4244)
		6	#endif
		7
1	#include "EXTERN.h"	8	#include "EXTERN.h"
2	#include "perl.h"	9	#include "perl.h"
3	#include "XSUB.h"	10	#include "XSUB.h"
4		11
		12	#include <math.h>
5	#include <string.h>	13	#include <string.h>
		14	#include <stdio.h>
		15	#include <stdlib.h>
6		16
7	#include <SDL.h>	17	#include <SDL.h>
		18	#include <SDL_endian.h>
		19	#include <SDL_image.h>
		20	#include <SDL_mixer.h>
8	#include <SDL_opengl.h>	21	#include <SDL_opengl.h>
9		22
		23	#define PANGO_ENABLE_BACKEND
		24	#define G_DISABLE_CAST_CHECKS
		25
		26	#include <glib/gmacros.h>
		27
10	#include <pango/pango.h>	28	#include <pango/pango.h>
11	#include <pango/pangofc-fontmap.h>
12	#include <pango/pangoft2.h>
13		29
		30	#ifndef _WIN32
14	#include <sys/types.h>	31	# include <sys/types.h>
15	#include <sys/socket.h>	32	# include <sys/socket.h>
16	#include <netinet/in.h>	33	# include <netinet/in.h>
17	#include <netinet/tcp.h>	34	# include <netinet/tcp.h>
		35	# include <inttypes.h>
		36	#else
		37	typedef unsigned char uint8_t;
		38	typedef unsigned short uint16_t;
		39	typedef unsigned int uint32_t;
		40	typedef signed char int8_t;
		41	typedef signed short int16_t;
		42	typedef signed int int32_t;
		43	#endif
18		44
19	static PangoContext *context;	45	#include "glext.h"
20	static PangoFontMap *fontmap;	46
		47	#define OBJ_STR "\xef\xbf\xbc" /* U+FFFC, objetc replacement character */
		48
		49	#define FOW_DARKNESS 32
		50
		51	#define MAP_EXTEND_X 32
		52	#define MAP_EXTEND_Y 512
		53
		54	#define MIN_FONT_HEIGHT 10
		55
		56	#if 0
		57	# define PARACHUTE SDL_INIT_NOPARACHUTE
		58	#else
		59	# define PARACHUTE 0
		60	#endif
		61
		62	static struct
		63	{
		64	#define GL_FUNC(ptr,name) ptr name;
		65	#include "glfunc.h"
		66	#undef GL_FUNC
		67	} gl;
		68
		69	static void gl_BlendFuncSeparate (GLenum sa, GLenum da, GLenum saa, GLenum daa)
		70	{
		71	if (gl.BlendFuncSeparate)
		72	gl.BlendFuncSeparate (sa, da, saa, daa);
		73	else if (gl.BlendFuncSeparateEXT)
		74	gl.BlendFuncSeparateEXT (sa, da, saa, daa);
		75	else
		76	glBlendFunc (sa, da);
		77	}
		78
		79	#include "texcache.c"
		80
		81	#include "pango-font.c"
		82	#include "pango-fontmap.c"
		83	#include "pango-render.c"
		84
		85	typedef Mix_Chunk *CFClient__MixChunk;
		86	typedef Mix_Music *CFClient__MixMusic;
		87
		88	typedef PangoFontDescription *CFClient__Font;
		89
		90	static int
		91	shape_attr_p (PangoLayoutRun *run)
		92	{
		93	GSList *attrs = run->item->analysis.extra_attrs;
		94
		95	while (attrs)
		96	{
		97	PangoAttribute *attr = attrs->data;
		98
		99	if (attr->klass->type == PANGO_ATTR_SHAPE)
		100	return 1;
		101
		102	attrs = attrs->next;
		103	}
		104
		105	return 0;
		106	}
21		107
22	typedef struct cf_layout {	108	typedef struct cf_layout {
23	PangoLayout *pl;	109	PangoLayout *pl;
		110	float r, g, b, a; // default color for rgba mode
24	int base_height;	111	int base_height;
		112	CFClient__Font font;
25	} *CFClient__Layout;	113	} *CFClient__Layout;
		114
		115	static CFClient__Font default_font;
		116	static PangoContext *opengl_context;
		117	static PangoFontMap *opengl_fontmap;
		118
		119	static void
		120	substitute_func (FcPattern *pattern, gpointer data)
		121	{
		122	FcPatternAddBool (pattern, FC_HINTING, 1);
		123	#ifdef FC_HINT_STYLE
		124	FcPatternAddBool (pattern, FC_HINT_STYLE, FC_HINT_FULL);
		125	#endif
		126	FcPatternAddBool (pattern, FC_AUTOHINT, 0);
		127	}
		128
		129	static void
		130	layout_update_font (CFClient__Layout self)
		131	{
		132	/* use a random scale factor to account for unknown descenders, 0.8 works
		133	* reasonably well with bitstream vera
		134	*/
		135	PangoFontDescription *font = self->font ? self->font : default_font;
		136
		137	pango_font_description_set_absolute_size (font,
		138	MAX (MIN_FONT_HEIGHT, self->base_height) * (PANGO_SCALE * 8 / 10));
		139
		140	pango_layout_set_font_description (self->pl, font);
		141	}
26		142
27	static void	143	static void
28	layout_get_pixel_size (CFClient__Layout self, int *w, int *h)	144	layout_get_pixel_size (CFClient__Layout self, int *w, int *h)
29	{	145	{
30	pango_layout_get_pixel_size (self->pl, w, h);	146	pango_layout_get_pixel_size (self->pl, w, h);
31		147
32	*w = (*w + 3) & ~3;
33	if (!*w) *w = 1;	148	if (!*w) *w = 1;
34	if (!*h) *h = 1;	149	if (!*h) *h = 1;
		150
		151	*w = (*w + 3) & ~3;
		152	}
		153
		154	typedef uint16_t mapface;
		155
		156	typedef struct {
		157	GLint name;
		158	int w, h;
		159	float s, t;
		160	uint8_t r, g, b, a;
		161	} maptex;
		162
		163	typedef struct {
		164	int16_t darkness;
		165	mapface face[3];
		166	} mapcell;
		167
		168	typedef struct {
		169	int32_t c0, c1;
		170	mapcell *col;
		171	} maprow;
		172
		173	typedef struct map {
		174	int x, y, w, h;
		175	int ox, oy; /* offset to virtual global coordinate system */
		176	int faces;
		177	mapface *face;
		178
		179	int texs;
		180	maptex *tex;
		181
		182	int32_t rows;
		183	maprow *row;
		184	} *CFClient__Map;
		185
		186	static char *
		187	prepend (char *ptr, int sze, int inc)
		188	{
		189	char *p;
		190
		191	New (0, p, sze + inc, char);
		192	Zero (p, inc, char);
		193	Move (ptr, p + inc, sze, char);
		194	Safefree (ptr);
		195
		196	return p;
		197	}
		198
		199	static char *
		200	append (char *ptr, int sze, int inc)
		201	{
		202	Renew (ptr, sze + inc, char);
		203	Zero (ptr + sze, inc, char);
		204
		205	return ptr;
		206	}
		207
		208	#define Append(type,ptr,sze,inc) (ptr) = (type *)append ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
		209	#define Prepend(type,ptr,sze,inc) (ptr) = (type *)prepend ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
		210
		211	static maprow *
		212	map_get_row (CFClient__Map self, int y)
		213	{
		214	if (0 > y)
		215	{
		216	int extend = - y + MAP_EXTEND_Y;
		217	Prepend (maprow, self->row, self->rows, extend);
		218
		219	self->rows += extend;
		220	self->y += extend;
		221	y += extend;
		222	}
		223	else if (y >= self->rows)
		224	{
		225	int extend = y - self->rows + MAP_EXTEND_Y;
		226	Append (maprow, self->row, self->rows, extend);
		227	self->rows += extend;
		228	}
		229
		230	return self->row + y;
		231	}
		232
		233	static mapcell *
		234	row_get_cell (maprow *row, int x)
		235	{
		236	if (!row->col)
		237	{
		238	Newz (0, row->col, MAP_EXTEND_X, mapcell);
		239	row->c0 = x - MAP_EXTEND_X / 4;
		240	row->c1 = row->c0 + MAP_EXTEND_X;
		241	}
		242
		243	if (row->c0 > x)
		244	{
		245	int extend = row->c0 - x + MAP_EXTEND_X;
		246	Prepend (mapcell, row->col, row->c1 - row->c0, extend);
		247	row->c0 -= extend;
		248	}
		249	else if (x >= row->c1)
		250	{
		251	int extend = x - row->c1 + MAP_EXTEND_X;
		252	Append (mapcell, row->col, row->c1 - row->c0, extend);
		253	row->c1 += extend;
		254	}
		255
		256	return row->col + (x - row->c0);
		257	}
		258
		259	static mapcell *
		260	map_get_cell (CFClient__Map self, int x, int y)
		261	{
		262	return row_get_cell (map_get_row (self, y), x);
		263	}
		264
		265	static void
		266	map_clear (CFClient__Map self)
		267	{
		268	int r;
		269
		270	for (r = 0; r < self->rows; r++)
		271	Safefree (self->row[r].col);
		272
		273	Safefree (self->row);
		274
		275	self->x = 0;
		276	self->y = 0;
		277	self->ox = 0;
		278	self->oy = 0;
		279	self->row = 0;
		280	self->rows = 0;
		281	}
		282
		283	static void
		284	map_blank (CFClient__Map self, int x0, int y0, int w, int h)
		285	{
		286	int x, y;
		287	maprow *row;
		288
		289	for (y = y0; y < y0 + h; y++)
		290	if (y >= 0)
		291	{
		292	if (y >= self->rows)
		293	break;
		294
		295	row = self->row + y;
		296
		297	for (x = x0; x < x0 + w; x++)
		298	if (x >= row->c0)
		299	{
		300	if (x >= row->c1)
		301	break;
		302
		303	row->col[x - row->c0].darkness = -1;
		304	}
		305	}
		306	}
		307
		308	static void
		309	music_finished (void)
		310	{
		311	SDL_UserEvent ev;
		312
		313	ev.type = SDL_USEREVENT;
		314	ev.code = 0;
		315	ev.data1 = 0;
		316	ev.data2 = 0;
		317
		318	SDL_PushEvent ((SDL_Event *)&ev);
		319	}
		320
		321	static void
		322	channel_finished (int channel)
		323	{
		324	SDL_UserEvent ev;
		325
		326	ev.type = SDL_USEREVENT;
		327	ev.code = 1;
		328	ev.data1 = (void *)(long)channel;
		329	ev.data2 = 0;
		330
		331	SDL_PushEvent ((SDL_Event *)&ev);
		332	}
		333
		334	static unsigned int
		335	minpot (unsigned int n)
		336	{
		337	if (!n)
		338	return 0;
		339
		340	--n;
		341
		342	n |= n >> 1;
		343	n |= n >> 2;
		344	n |= n >> 4;
		345	n |= n >> 8;
		346	n |= n >> 16;
		347
		348	return n + 1;
35	}	349	}
36		350
37	MODULE = CFClient PACKAGE = CFClient	351	MODULE = CFClient PACKAGE = CFClient
38		352
39	PROTOTYPES: ENABLE	353	PROTOTYPES: ENABLE
40		354
41	BOOT:	355	BOOT:
42	{	356	{
43	fontmap = pango_ft2_font_map_new ();	357	HV *stash = gv_stashpv ("CFClient", 1);
		358	static const struct {
		359	const char *name;
		360	IV iv;
		361	} *civ, const_iv[] = {
		362	# define const_iv(name) { # name, (IV)name }
		363	const_iv (SDL_ACTIVEEVENT),
		364	const_iv (SDL_KEYDOWN),
		365	const_iv (SDL_KEYUP),
		366	const_iv (SDL_MOUSEMOTION),
		367	const_iv (SDL_MOUSEBUTTONDOWN),
		368	const_iv (SDL_MOUSEBUTTONUP),
		369	const_iv (SDL_JOYAXISMOTION),
		370	const_iv (SDL_JOYBALLMOTION),
		371	const_iv (SDL_JOYHATMOTION),
		372	const_iv (SDL_JOYBUTTONDOWN),
		373	const_iv (SDL_JOYBUTTONUP),
		374	const_iv (SDL_QUIT),
		375	const_iv (SDL_SYSWMEVENT),
		376	const_iv (SDL_EVENT_RESERVEDA),
		377	const_iv (SDL_EVENT_RESERVEDB),
		378	const_iv (SDL_VIDEORESIZE),
		379	const_iv (SDL_VIDEOEXPOSE),
		380	const_iv (SDL_USEREVENT),
		381	const_iv (SDLK_KP0),
		382	const_iv (SDLK_KP1),
		383	const_iv (SDLK_KP2),
		384	const_iv (SDLK_KP3),
		385	const_iv (SDLK_KP4),
		386	const_iv (SDLK_KP5),
		387	const_iv (SDLK_KP6),
		388	const_iv (SDLK_KP7),
		389	const_iv (SDLK_KP8),
		390	const_iv (SDLK_KP9),
		391	const_iv (SDLK_KP_PERIOD),
		392	const_iv (SDLK_KP_DIVIDE),
		393	const_iv (SDLK_KP_MULTIPLY),
		394	const_iv (SDLK_KP_MINUS),
		395	const_iv (SDLK_KP_PLUS),
		396	const_iv (SDLK_KP_ENTER),
		397	const_iv (SDLK_KP_EQUALS),
		398	const_iv (SDLK_UP),
		399	const_iv (SDLK_DOWN),
		400	const_iv (SDLK_RIGHT),
		401	const_iv (SDLK_LEFT),
		402	const_iv (SDLK_INSERT),
		403	const_iv (SDLK_HOME),
		404	const_iv (SDLK_END),
		405	const_iv (SDLK_PAGEUP),
		406	const_iv (SDLK_PAGEDOWN),
		407	const_iv (SDLK_F1),
		408	const_iv (SDLK_F2),
		409	const_iv (SDLK_F3),
		410	const_iv (SDLK_F4),
		411	const_iv (SDLK_F5),
		412	const_iv (SDLK_F6),
		413	const_iv (SDLK_F7),
		414	const_iv (SDLK_F8),
		415	const_iv (SDLK_F9),
		416	const_iv (SDLK_F10),
		417	const_iv (SDLK_F11),
		418	const_iv (SDLK_F12),
		419	const_iv (SDLK_F13),
		420	const_iv (SDLK_F14),
		421	const_iv (SDLK_F15),
		422	const_iv (SDLK_NUMLOCK),
		423	const_iv (SDLK_CAPSLOCK),
		424	const_iv (SDLK_SCROLLOCK),
		425	const_iv (SDLK_RSHIFT),
		426	const_iv (SDLK_LSHIFT),
		427	const_iv (SDLK_RCTRL),
		428	const_iv (SDLK_LCTRL),
		429	const_iv (SDLK_RALT),
		430	const_iv (SDLK_LALT),
		431	const_iv (SDLK_RMETA),
		432	const_iv (SDLK_LMETA),
		433	const_iv (SDLK_LSUPER),
		434	const_iv (SDLK_RSUPER),
		435	const_iv (SDLK_MODE),
		436	const_iv (SDLK_COMPOSE),
		437	const_iv (SDLK_HELP),
		438	const_iv (SDLK_PRINT),
		439	const_iv (SDLK_SYSREQ),
		440	const_iv (SDLK_BREAK),
		441	const_iv (SDLK_MENU),
		442	const_iv (SDLK_POWER),
		443	const_iv (SDLK_EURO),
		444	const_iv (SDLK_UNDO),
		445	const_iv (KMOD_NONE),
		446	const_iv (KMOD_LSHIFT),
		447	const_iv (KMOD_RSHIFT),
		448	const_iv (KMOD_LCTRL),
		449	const_iv (KMOD_RCTRL),
		450	const_iv (KMOD_LALT),
		451	const_iv (KMOD_RALT),
		452	const_iv (KMOD_LMETA),
		453	const_iv (KMOD_RMETA),
		454	const_iv (KMOD_NUM),
		455	const_iv (KMOD_CAPS),
		456	const_iv (KMOD_MODE),
		457	const_iv (KMOD_CTRL),
		458	const_iv (KMOD_SHIFT),
		459	const_iv (KMOD_ALT),
		460	const_iv (KMOD_META)
		461	# undef const_iv
		462	};
		463
		464	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		465	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		466	}
		467
		468	NV floor (NV x)
		469
		470	NV ceil (NV x)
		471
		472	void
		473	pango_init ()
		474	CODE:
		475	{
		476	opengl_fontmap = pango_opengl_font_map_new ();
		477	pango_opengl_font_map_set_default_substitute ((PangoOpenGLFontMap *)opengl_fontmap, substitute_func, 0, 0);
44	context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);	478	opengl_context = pango_opengl_font_map_create_context ((PangoOpenGLFontMap *)opengl_fontmap);
45	}	479	}
		480
		481	int
		482	SDL_Init (U32 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | PARACHUTE)
		483
		484	void
		485	SDL_Quit ()
		486
		487	void
		488	SDL_ListModes ()
		489	PPCODE:
		490	{
		491	SDL_Rect **m;
		492
		493	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 5);
		494	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 5);
		495	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 5);
		496	SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, 1);
		497
		498	SDL_GL_SetAttribute (SDL_GL_BUFFER_SIZE, 15);
		499	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 0);
		500
		501	SDL_GL_SetAttribute (SDL_GL_ACCUM_RED_SIZE, 0);
		502	SDL_GL_SetAttribute (SDL_GL_ACCUM_GREEN_SIZE, 0);
		503	SDL_GL_SetAttribute (SDL_GL_ACCUM_BLUE_SIZE, 0);
		504	SDL_GL_SetAttribute (SDL_GL_ACCUM_ALPHA_SIZE, 0);
		505
		506	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
		507
		508	SDL_EnableUNICODE (1);
		509	SDL_EnableKeyRepeat (SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
		510
		511	m = SDL_ListModes (0, SDL_FULLSCREEN | SDL_OPENGL);
		512
		513	if (m && m != (SDL_Rect **)-1)
		514	while (*m)
		515	{
		516	AV *av = newAV ();
		517	av_push (av, newSViv ((*m)->w));
		518	av_push (av, newSViv ((*m)->h));
		519	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		520
		521	++m;
		522	}
		523	}
		524
		525	char *
		526	SDL_GetError ()
		527
		528	int
		529	SDL_SetVideoMode (int w, int h, int fullscreen)
		530	CODE:
		531	RETVAL = !!SDL_SetVideoMode (
		532	w, h, 0, SDL_OPENGL | (fullscreen ? SDL_FULLSCREEN : 0)
		533	);
		534	if (RETVAL)
		535	{
		536	SDL_WM_SetCaption ("Crossfire+ Client " VERSION, "Crossfire+");
		537	# define GL_FUNC(ptr,name) gl.name = (ptr)SDL_GL_GetProcAddress ("gl" # name);
		538	# include "glfunc.h"
		539	# undef GL_FUNC
		540	}
		541	OUTPUT:
		542	RETVAL
		543
		544	void
		545	SDL_GL_SwapBuffers ()
		546
		547	char *
		548	SDL_GetKeyName (int sym)
		549
		550	void
		551	SDL_PollEvent ()
		552	PPCODE:
		553	{
		554	SDL_Event ev;
		555
		556	while (SDL_PollEvent (&ev))
		557	{
		558	HV *hv = newHV ();
		559	hv_store (hv, "type", 4, newSViv (ev.type), 0);
		560
		561	switch (ev.type)
		562	{
		563	case SDL_KEYDOWN:
		564	case SDL_KEYUP:
		565	hv_store (hv, "state", 5, newSViv (ev.key.state), 0);
		566	hv_store (hv, "sym", 3, newSViv (ev.key.keysym.sym), 0);
		567	hv_store (hv, "mod", 3, newSViv (ev.key.keysym.mod), 0);
		568	hv_store (hv, "unicode", 7, newSViv (ev.key.keysym.unicode), 0);
		569	break;
		570
		571	case SDL_ACTIVEEVENT:
		572	hv_store (hv, "gain", 4, newSViv (ev.active.gain), 0);
		573	hv_store (hv, "state", 5, newSViv (ev.active.state), 0);
		574	break;
		575
		576	case SDL_MOUSEMOTION:
		577	hv_store (hv, "mod", 3, newSViv (SDL_GetModState ()), 0);
		578
		579	hv_store (hv, "state", 5, newSViv (ev.motion.state), 0);
		580	hv_store (hv, "x", 1, newSViv (ev.motion.x), 0);
		581	hv_store (hv, "y", 1, newSViv (ev.motion.y), 0);
		582	hv_store (hv, "xrel", 4, newSViv (ev.motion.xrel), 0);
		583	hv_store (hv, "yrel", 4, newSViv (ev.motion.yrel), 0);
		584	break;
		585
		586	case SDL_MOUSEBUTTONDOWN:
		587	case SDL_MOUSEBUTTONUP:
		588	hv_store (hv, "mod", 3, newSViv (SDL_GetModState ()), 0);
		589
		590	hv_store (hv, "button", 6, newSViv (ev.button.button), 0);
		591	hv_store (hv, "state", 5, newSViv (ev.button.state), 0);
		592	hv_store (hv, "x", 1, newSViv (ev.button.x), 0);
		593	hv_store (hv, "y", 1, newSViv (ev.button.y), 0);
		594	break;
		595
		596	case SDL_USEREVENT:
		597	hv_store (hv, "code", 4, newSViv (ev.user.code), 0);
		598	hv_store (hv, "data1", 5, newSViv ((IV)ev.user.data1), 0);
		599	hv_store (hv, "data2", 5, newSViv ((IV)ev.user.data2), 0);
		600	break;
		601	}
		602
		603	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
		604	}
		605	}
		606
		607	int
		608	Mix_OpenAudio (int frequency = 48000, int format = MIX_DEFAULT_FORMAT, int channels = 1, int chunksize = 2048)
		609	POSTCALL:
		610	Mix_HookMusicFinished (music_finished);
		611	Mix_ChannelFinished (channel_finished);
		612
		613	void
		614	Mix_CloseAudio ()
		615
		616	int
		617	Mix_AllocateChannels (int numchans = -1)
46		618
47	void	619	void
48	lowdelay (int fd, int val = 1)	620	lowdelay (int fd, int val = 1)
49	CODE:	621	CODE:
		622	#ifndef _WIN32
50	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));	623	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
51		624	#endif
52	char *
53	gl_version ()
54	CODE:
55	RETVAL = (char *)glGetString (GL_VERSION);
56	OUTPUT:
57	RETVAL
58
59	char *
60	gl_extensions ()
61	CODE:
62	RETVAL = (char *)glGetString (GL_EXTENSIONS);
63	OUTPUT:
64	RETVAL
65		625
66	void	626	void
67	add_font (char *file)	627	add_font (char *file)
68	CODE:	628	CODE:
69	FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */	629	FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
70		630
71	void	631	void
72	set_font (char *file)	632	load_image_inline (SV *image_)
		633	ALIAS:
		634	load_image_file = 1
		635	PPCODE:
		636	{
		637	STRLEN image_len;
		638	char *image = (char *)SvPVbyte (image_, image_len);
		639	SDL_Surface *surface, *surface2;
		640	SDL_PixelFormat fmt;
		641	SDL_RWops *rw = ix
		642	? SDL_RWFromFile (image, "r")
		643	: SDL_RWFromConstMem (image, image_len);
		644
		645	if (!rw)
		646	croak ("load_image: %s", SDL_GetError ());
		647
		648	surface = IMG_Load_RW (rw, 1);
		649	if (!surface)
		650	croak ("load_image: %s", SDL_GetError ());
		651
		652	fmt.palette = NULL;
		653	fmt.BitsPerPixel = 32;
		654	fmt.BytesPerPixel = 4;
		655	#if SDL_BYTEORDER == SDL_LIL_ENDIAN
		656	fmt.Rmask = 0x000000ff;
		657	fmt.Gmask = 0x0000ff00;
		658	fmt.Bmask = 0x00ff0000;
		659	fmt.Amask = 0xff000000;
		660	#else
		661	fmt.Rmask = 0xff000000;
		662	fmt.Gmask = 0x00ff0000;
		663	fmt.Bmask = 0x0000ff00;
		664	fmt.Amask = 0x000000ff;
		665	#endif
		666	fmt.Rloss = 0;
		667	fmt.Gloss = 0;
		668	fmt.Bloss = 0;
		669	fmt.Aloss = 0;
		670	fmt.Rshift = 0;
		671	fmt.Gshift = 8;
		672	fmt.Bshift = 16;
		673	fmt.Ashift = 24;
		674	fmt.colorkey = 0;
		675	fmt.alpha = 0;
		676
		677	surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);
		678
		679	assert (surface2->pitch == surface2->w * 4);
		680
		681	EXTEND (SP, 5);
		682	PUSHs (sv_2mortal (newSViv (surface2->w)));
		683	PUSHs (sv_2mortal (newSViv (surface2->h)));
		684	SDL_LockSurface (surface2);
		685	PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
		686	SDL_UnlockSurface (surface2);
		687	PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
		688	PUSHs (sv_2mortal (newSViv (GL_RGBA)));
		689	PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_BYTE)));
		690
		691	SDL_FreeSurface (surface);
		692	SDL_FreeSurface (surface2);
		693	}
		694
		695	void
		696	average (int x, int y, uint32_t *data)
		697	PPCODE:
		698	{
		699	uint32_t r = 0, g = 0, b = 0, a = 0;
		700
		701	x = y = x * y;
		702
		703	while (x--)
		704	{
		705	uint32_t p = *data++;
		706
		707	r += (p ) & 255;
		708	g += (p >> 8) & 255;
		709	b += (p >> 16) & 255;
		710	a += (p >> 24) & 255;
		711	}
		712
		713	EXTEND (SP, 4);
		714	PUSHs (sv_2mortal (newSViv (r / y)));
		715	PUSHs (sv_2mortal (newSViv (g / y)));
		716	PUSHs (sv_2mortal (newSViv (b / y)));
		717	PUSHs (sv_2mortal (newSViv (a / y)));
		718	}
		719
		720	void
		721	error (char *message)
		722	CODE:
		723	fprintf (stderr, "ERROR: %s\n", message);
		724	#ifdef _WIN32
		725	MessageBox (0, message, "Crossfire+ Error", MB_OK | MB_ICONERROR);
		726	#endif
		727
		728	void
		729	fatal (char *message)
		730	CODE:
		731	fprintf (stderr, "FATAL: %s\n", message);
		732	#ifdef _WIN32
		733	MessageBox (0, message, "Crossfire+ Fatal Error", MB_OK | MB_ICONERROR);
		734	#endif
		735	_exit (1);
		736
		737	void
		738	_exit (int retval)
		739	CODE:
		740	_exit (retval);
		741
		742	MODULE = CFClient PACKAGE = CFClient::Font
		743
		744	CFClient::Font
		745	new_from_file (SV *class, char *path, int id = 0)
73	CODE:	746	CODE:
74	{	747	{
75	int count;	748	int count;
76	FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);	749	FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)path, id, 0, &count);
77	PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);	750	RETVAL = pango_fc_font_description_from_pattern (pattern, 0);
78	FcPatternDestroy (pattern);	751	FcPatternDestroy (pattern);
79	pango_context_set_font_description (context, font);
80	}	752	}
		753	OUTPUT:
		754	RETVAL
		755
		756	void
		757	DESTROY (CFClient::Font self)
		758	CODE:
		759	pango_font_description_free (self);
		760
		761	void
		762	make_default (CFClient::Font self)
		763	CODE:
		764	default_font = self;
81		765
82	MODULE = CFClient PACKAGE = CFClient::Layout	766	MODULE = CFClient PACKAGE = CFClient::Layout
83		767
		768	void
		769	clear_font_cache ()
		770	CODE:
		771	tc_clear ();
		772
84	CFClient::Layout	773	CFClient::Layout
85	new (SV *class, int base_height = 10)	774	new (SV *class)
86	CODE:	775	CODE:
87	New (0, RETVAL, 1, struct cf_layout);	776	New (0, RETVAL, 1, struct cf_layout);
88	RETVAL->base_height = base_height;	777
89	RETVAL->pl = pango_layout_new (context);	778	RETVAL->pl = pango_layout_new (opengl_context);
		779	RETVAL->r = 1.;
		780	RETVAL->g = 1.;
		781	RETVAL->b = 1.;
		782	RETVAL->a = 1.;
		783	RETVAL->base_height = MIN_FONT_HEIGHT;
		784	RETVAL->font = 0;
		785
90	pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);	786	pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
		787	layout_update_font (RETVAL);
91	OUTPUT:	788	OUTPUT:
92	RETVAL	789	RETVAL
93		790
94	void	791	void
95	DESTROY (CFClient::Layout self)	792	DESTROY (CFClient::Layout self)
96	CODE:	793	CODE:
97	g_object_unref (self->pl);	794	g_object_unref (self->pl);
98	Safefree (self);	795	Safefree (self);
99		796
100	void	797	void
101	set_markup (CFClient::Layout self, SV *text_)	798	set_text (CFClient::Layout self, SV *text_)
102	CODE:	799	CODE:
103	{	800	{
104	STRLEN textlen;	801	STRLEN textlen;
105	char *text = SvPVutf8 (text_, textlen);	802	char *text = SvPVutf8 (text_, textlen);
106		803
		804	pango_layout_set_text (self->pl, text, textlen);
		805	}
		806
		807	void
		808	set_markup (CFClient::Layout self, SV *text_)
		809	CODE:
		810	{
		811	STRLEN textlen;
		812	char *text = SvPVutf8 (text_, textlen);
		813
107	pango_layout_set_markup (self->pl, text, textlen);	814	pango_layout_set_markup (self->pl, text, textlen);
108	}	815	}
109		816
110	void	817	void
		818	set_shapes (CFClient::Layout self, ...)
		819	CODE:
		820	{
		821	PangoAttrList *attrs = 0;
		822	const char *text = pango_layout_get_text (self->pl);
		823	const char *pos = text;
		824	int arg = 4;
		825
		826	while (arg < items && (pos = strstr (pos, OBJ_STR)))
		827	{
		828	PangoRectangle inkrect, rect;
		829	PangoAttribute *attr;
		830
		831	int x = SvIV (ST (arg - 3));
		832	int y = SvIV (ST (arg - 2));
		833	int w = SvIV (ST (arg - 1));
		834	int h = SvIV (ST (arg ));
		835
		836	inkrect.x = 0;
		837	inkrect.y = 0;
		838	inkrect.width = 0;
		839	inkrect.height = 0;
		840
		841	rect.x = x * PANGO_SCALE;
		842	rect.y = y * PANGO_SCALE;
		843	rect.width = w * PANGO_SCALE;
		844	rect.height = h * PANGO_SCALE;
		845
		846	if (!attrs)
		847	attrs = pango_layout_get_attributes (self->pl);
		848
		849	attr = pango_attr_shape_new (&inkrect, &rect);
		850	attr->start_index = pos - text;
		851	attr->end_index = attr->start_index + sizeof (OBJ_STR) - 1;
		852	pango_attr_list_insert (attrs, attr);
		853
		854	arg += 4;
		855	pos += sizeof (OBJ_STR) - 1;
		856	}
		857
		858	if (attrs)
		859	pango_layout_set_attributes (self->pl, attrs);
		860	}
		861
		862	void
		863	get_shapes (CFClient::Layout self)
		864	PPCODE:
		865	{
		866	PangoLayoutIter *iter = pango_layout_get_iter (self->pl);
		867
		868	do
		869	{
		870	PangoLayoutRun *run = pango_layout_iter_get_run (iter);
		871
		872	if (run && shape_attr_p (run))
		873	{
		874	PangoRectangle extents;
		875	pango_layout_iter_get_run_extents (iter, 0, &extents);
		876
		877	PUSHs (sv_2mortal (newSViv (PANGO_PIXELS (extents.x))));
		878	PUSHs (sv_2mortal (newSViv (PANGO_PIXELS (extents.y))));
		879	}
		880	}
		881	while (pango_layout_iter_next_run (iter));
		882
		883	pango_layout_iter_free (iter);
		884	}
		885
		886	int
		887	has_wrapped (CFClient::Layout self)
		888	CODE:
		889	{
		890	int lines = 1;
		891	const char *text = pango_layout_get_text (self->pl);
		892
		893	while (*text)
		894	lines += *text++ == '\n';
		895
		896	RETVAL = lines < pango_layout_get_line_count (self->pl);
		897	}
		898	OUTPUT:
		899	RETVAL
		900
		901	SV *
		902	get_text (CFClient::Layout self)
		903	CODE:
		904	RETVAL = newSVpv (pango_layout_get_text (self->pl), 0);
		905	sv_utf8_decode (RETVAL);
		906	OUTPUT:
		907	RETVAL
		908
		909	void
		910	set_foreground (CFClient::Layout self, float r, float g, float b, float a = 1.)
		911	CODE:
		912	self->r = r;
		913	self->g = g;
		914	self->b = b;
		915	self->a = a;
		916
		917	void
		918	set_font (CFClient::Layout self, CFClient::Font font = 0)
		919	CODE:
		920	if (self->font != font)
		921	{
		922	self->font = font;
		923	layout_update_font (self);
		924	}
		925
		926	void
		927	set_height (CFClient::Layout self, int base_height)
		928	CODE:
		929	if (self->base_height != base_height)
		930	{
		931	self->base_height = base_height;
		932	layout_update_font (self);
		933	}
		934
		935	void
111	set_width (CFClient::Layout self, int max_width = -1)	936	set_width (CFClient::Layout self, int max_width = -1)
112	CODE:	937	CODE:
113	pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);	938	pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
		939
		940	void
		941	set_indent (CFClient::Layout self, int indent)
		942	CODE:
		943	pango_layout_set_indent (self->pl, indent * PANGO_SCALE);
		944
		945	void
		946	set_spacing (CFClient::Layout self, int spacing)
		947	CODE:
		948	pango_layout_set_spacing (self->pl, spacing * PANGO_SCALE);
		949
		950	void
		951	set_ellipsise (CFClient::Layout self, int ellipsise)
		952	CODE:
		953	pango_layout_set_ellipsize (self->pl,
		954	ellipsise == 1 ? PANGO_ELLIPSIZE_START
		955	: ellipsise == 2 ? PANGO_ELLIPSIZE_MIDDLE
		956	: ellipsise == 3 ? PANGO_ELLIPSIZE_END
		957	: PANGO_ELLIPSIZE_NONE
		958	);
		959
		960	void
		961	set_single_paragraph_mode (CFClient::Layout self, int spm)
		962	CODE:
		963	pango_layout_set_single_paragraph_mode (self->pl, !!spm);
114		964
115	void	965	void
116	size (CFClient::Layout self)	966	size (CFClient::Layout self)
117	PPCODE:	967	PPCODE:
118	{	968	{
119	int w, h;	969	int w, h;
120
121	PangoFontDescription *font = pango_context_get_font_description (context);
122	pango_font_description_set_absolute_size (font, self->base_height * PANGO_SCALE);
123		970
124	layout_get_pixel_size (self, &w, &h);	971	layout_get_pixel_size (self, &w, &h);
125		972
126	EXTEND (SP, 2);	973	EXTEND (SP, 2);
127	PUSHs (sv_2mortal (newSViv (w)));	974	PUSHs (sv_2mortal (newSViv (w)));
128	PUSHs (sv_2mortal (newSViv (h)));	975	PUSHs (sv_2mortal (newSViv (h)));
129	}	976	}
130		977
131	void	978	int
132	render (CFClient::Layout self)	979	descent (CFClient::Layout self)
		980	CODE:
		981	{
		982	PangoRectangle rect;
		983	PangoLayoutLine *line = pango_layout_get_line (self->pl, 0);
		984	pango_layout_line_get_pixel_extents (line, 0, &rect);
		985	RETVAL = PANGO_DESCENT (rect);
		986	}
		987	OUTPUT:
		988	RETVAL
		989
		990	int
		991	xy_to_index (CFClient::Layout self, int x, int y)
		992	CODE:
		993	{
		994	int index, trailing;
		995	pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);
		996	RETVAL = index;
		997	}
		998	OUTPUT:
		999	RETVAL
		1000
		1001	void
		1002	cursor_pos (CFClient::Layout self, int index)
133	PPCODE:	1003	PPCODE:
134	{	1004	{
135	SV *retval;	1005	PangoRectangle strong_pos;
136	int w, h;	1006	pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
137	FT_Bitmap bitmap;
138
139	layout_get_pixel_size (self, &w, &h);
140
141	retval = newSV (w * h);
142	SvPOK_only (retval);
143	SvCUR_set (retval, w * h);
144
145	bitmap.rows = h;
146	bitmap.width = w;
147	bitmap.pitch = w;
148	bitmap.buffer = (unsigned char*)SvPVX (retval);
149	bitmap.num_grays = 256;
150	bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
151
152	memset (bitmap.buffer, 0, w * h);
153
154	pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
155		1007
156	EXTEND (SP, 3);	1008	EXTEND (SP, 3);
157	PUSHs (sv_2mortal (newSViv (w)));	1009	PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE)));
158	PUSHs (sv_2mortal (newSViv (h)));	1010	PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE)));
159	PUSHs (sv_2mortal (retval));	1011	PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
160	}	1012	}
		1013
		1014	void
		1015	render (CFClient::Layout self, float x, float y)
		1016	PPCODE:
		1017	pango_opengl_render_layout_subpixel (
		1018	self->pl,
		1019	x * PANGO_SCALE, y * PANGO_SCALE,
		1020	self->r, self->g, self->b, self->a
		1021	);
161		1022
162	MODULE = CFClient PACKAGE = CFClient::Texture	1023	MODULE = CFClient PACKAGE = CFClient::Texture
163		1024
164	void	1025	void
165	draw_quad (SV *self, double x, double y, double w = 0, double h = 0)	1026	pad2pot (SV *data_, SV *w_, SV *h_)
		1027	CODE:
		1028	{
		1029	int ow = SvIV (w_);
		1030	int oh = SvIV (h_);
		1031
		1032	if (ow && oh)
		1033	{
		1034	int nw = minpot (ow);
		1035	int nh = minpot (oh);
		1036
		1037	if (nw != ow || nh != oh)
		1038	{
		1039	if (SvOK (data_))
		1040	{
		1041	STRLEN datalen;
		1042	char *data = SvPVbyte (data_, datalen);
		1043	int bpp = datalen / (ow * oh);
		1044	SV *result_ = sv_2mortal (newSV (nw * nh * bpp));
		1045
		1046	SvPOK_only (result_);
		1047	SvCUR_set (result_, nw * nh * bpp);
		1048
		1049	memset (SvPVX (result_), 0, nw * nh * bpp);
		1050	while (oh--)
		1051	memcpy (SvPVX (result_) + oh * nw * bpp, data + oh * ow * bpp, ow * bpp);
		1052
		1053	sv_setsv (data_, result_);
		1054	}
		1055
		1056	sv_setiv (w_, nw);
		1057	sv_setiv (h_, nh);
		1058	}
		1059	}
		1060	}
		1061
		1062	void
		1063	draw_quad (SV *self, float x, float y, float w = 0., float h = 0.)
166	PROTOTYPE: $$$;$$	1064	PROTOTYPE: $$$;$$
		1065	ALIAS:
		1066	draw_quad_alpha = 1
		1067	draw_quad_alpha_premultiplied = 2
167	CODE:	1068	CODE:
168	{	1069	{
169	HV *hv = (HV *)SvRV (self);	1070	HV *hv = (HV *)SvRV (self);
170	double s = SvNV (*hv_fetch (hv, "s", 1, 1));	1071	float s = SvNV (*hv_fetch (hv, "s", 1, 1));
171	double t = SvNV (*hv_fetch (hv, "t", 1, 1));	1072	float t = SvNV (*hv_fetch (hv, "t", 1, 1));
172	int name = SvIV (*hv_fetch (hv, "name", 4, 1));	1073	int name = SvIV (*hv_fetch (hv, "name", 4, 1));
173		1074
174	if (items < 5)	1075	if (items < 5)
175	{	1076	{
176	w = SvNV (*hv_fetch (hv, "width", 5, 1));	1077	w = SvNV (*hv_fetch (hv, "w", 1, 1));
177	h = SvNV (*hv_fetch (hv, "height", 6, 1));	1078	h = SvNV (*hv_fetch (hv, "h", 1, 1));
178	}	1079	}
179		1080
		1081	if (ix)
		1082	{
		1083	glEnable (GL_BLEND);
		1084
		1085	if (ix == 2)
		1086	glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
		1087	else
		1088	gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
		1089	GL_ONE , GL_ONE_MINUS_SRC_ALPHA);
		1090
		1091	glEnable (GL_ALPHA_TEST);
		1092	glAlphaFunc (GL_GREATER, 0.01f);
		1093	}
		1094
180	glBindTexture (GL_TEXTURE_2D, name);	1095	glBindTexture (GL_TEXTURE_2D, name);
		1096
181	glBegin (GL_QUADS);	1097	glBegin (GL_QUADS);
182	glTexCoord2d (0, 0); glVertex2d (x , y );	1098	glTexCoord2f (0, 0); glVertex2f (x , y );
183	glTexCoord2d (0, t); glVertex2d (x , y + h);	1099	glTexCoord2f (0, t); glVertex2f (x , y + h);
184	glTexCoord2d (s, t); glVertex2d (x + w, y + h);	1100	glTexCoord2f (s, t); glVertex2f (x + w, y + h);
185	glTexCoord2d (s, 0); glVertex2d (x + w, y );	1101	glTexCoord2f (s, 0); glVertex2f (x + w, y );
186	glEnd ();	1102	glEnd ();
		1103
		1104	if (ix)
		1105	{
		1106	glDisable (GL_ALPHA_TEST);
		1107	glDisable (GL_BLEND);
		1108	}
187	}	1109	}
		1110
		1111	MODULE = CFClient PACKAGE = CFClient::Map
		1112
		1113	CFClient::Map
		1114	new (SV *class, int map_width, int map_height)
		1115	CODE:
		1116	New (0, RETVAL, 1, struct map);
		1117	RETVAL->x = 0;
		1118	RETVAL->y = 0;
		1119	RETVAL->w = map_width;
		1120	RETVAL->h = map_height;
		1121	RETVAL->ox = 0;
		1122	RETVAL->oy = 0;
		1123	RETVAL->faces = 8192;
		1124	Newz (0, RETVAL->face, RETVAL->faces, mapface);
		1125	RETVAL->texs = 8192;
		1126	Newz (0, RETVAL->tex, RETVAL->texs, maptex);
		1127	RETVAL->rows = 0;
		1128	RETVAL->row = 0;
		1129	OUTPUT:
		1130	RETVAL
		1131
		1132	void
		1133	DESTROY (CFClient::Map self)
		1134	CODE:
		1135	{
		1136	map_clear (self);
		1137	Safefree (self->face);
		1138	Safefree (self->tex);
		1139	Safefree (self);
		1140	}
		1141
		1142	void
		1143	clear (CFClient::Map self)
		1144	CODE:
		1145	map_clear (self);
		1146
		1147	void
		1148	set_face (CFClient::Map self, int face, int texid)
		1149	CODE:
		1150	{
		1151	while (self->faces <= face)
		1152	{
		1153	Append (mapface, self->face, self->faces, self->faces);
		1154	self->faces *= 2;
		1155	}
		1156
		1157	self->face [face] = texid;
		1158	}
		1159
		1160	void
		1161	set_texture (CFClient::Map self, int texid, int name, int w, int h, float s, float t, int r, int g, int b, int a)
		1162	CODE:
		1163	{
		1164	while (self->texs <= texid)
		1165	{
		1166	Append (maptex, self->tex, self->texs, self->texs);
		1167	self->texs *= 2;
		1168	}
		1169
		1170	{
		1171	maptex *tex = self->tex + texid;
		1172
		1173	tex->name = name;
		1174	tex->w = w;
		1175	tex->h = h;
		1176	tex->s = s;
		1177	tex->t = t;
		1178	tex->r = r;
		1179	tex->g = g;
		1180	tex->b = b;
		1181	tex->a = a;
		1182	}
		1183
		1184	// somewhat hackish, but for textures that require it, it really
		1185	// improves the look, and most others don't suffer.
		1186	glBindTexture (GL_TEXTURE_2D, name);
		1187	//glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
		1188	//glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
		1189	// use uglier nearest interpolation because linear suffers
		1190	// from transparent color bleeding and ugly wrapping effects.
		1191	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
		1192	}
		1193
		1194	int
		1195	ox (CFClient::Map self)
		1196	ALIAS:
		1197	oy = 1
		1198	x = 2
		1199	y = 3
		1200	w = 4
		1201	h = 5
		1202	CODE:
		1203	switch (ix)
		1204	{
		1205	case 0: RETVAL = self->ox; break;
		1206	case 1: RETVAL = self->oy; break;
		1207	case 2: RETVAL = self->x; break;
		1208	case 3: RETVAL = self->y; break;
		1209	case 4: RETVAL = self->w; break;
		1210	case 5: RETVAL = self->h; break;
		1211	}
		1212	OUTPUT:
		1213	RETVAL
		1214
		1215	void
		1216	scroll (CFClient::Map self, int dx, int dy)
		1217	CODE:
		1218	{
		1219	if (dx > 0)
		1220	map_blank (self, self->x, self->y, dx - 1, self->h);
		1221	else if (dx < 0)
		1222	map_blank (self, self->x + self->w + dx + 1, self->y, 1 - dx, self->h);
		1223
		1224	if (dy > 0)
		1225	map_blank (self, self->x, self->y, self->w, dy - 1);
		1226	else if (dy < 0)
		1227	map_blank (self, self->x, self->y + self->h + dy + 1, self->w, 1 - dy);
		1228
		1229	self->ox += dx; self->x += dx;
		1230	self->oy += dy; self->y += dy;
		1231
		1232	while (self->y < 0)
		1233	{
		1234	Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
		1235
		1236	self->rows += MAP_EXTEND_Y;
		1237	self->y += MAP_EXTEND_Y;
		1238	}
		1239	}
		1240
		1241	void
		1242	map1a_update (CFClient::Map self, SV *data_)
		1243	CODE:
		1244	{
		1245	uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);
		1246	uint8_t *data_end = (uint8_t *)SvEND (data_);
		1247	mapcell *cell;
		1248	int x, y, flags;
		1249
		1250	while (data < data_end)
		1251	{
		1252	flags = (data [0] << 8) + data [1]; data += 2;
		1253
		1254	x = self->x + ((flags >> 10) & 63);
		1255	y = self->y + ((flags >> 4) & 63);
		1256
		1257	cell = map_get_cell (self, x, y);
		1258
		1259	if (flags & 15)
		1260	{
		1261	if (cell->darkness < 0)
		1262	{
		1263	cell->darkness = 0;
		1264	cell->face [0] = 0;
		1265	cell->face [1] = 0;
		1266	cell->face [2] = 0;
		1267	}
		1268
		1269	cell->darkness = flags & 8 ? *data++ : 255;
		1270
		1271	//TODO: don't trust server data to be in-range(!)
		1272
		1273	if (flags & 4)
		1274	{
		1275	cell->face [0] = self->face [(data [0] << 8) + data [1]]; data += 2;
		1276	}
		1277
		1278	if (flags & 2)
		1279	{
		1280	cell->face [1] = self->face [(data [0] << 8) + data [1]]; data += 2;
		1281	}
		1282
		1283	if (flags & 1)
		1284	{
		1285	cell->face [2] = self->face [(data [0] << 8) + data [1]]; data += 2;
		1286	}
		1287	}
		1288	else
		1289	cell->darkness = -1;
		1290	}
		1291	}
		1292
		1293	SV *
		1294	mapmap (CFClient::Map self, int x0, int y0, int w, int h)
		1295	CODE:
		1296	{
		1297	int x1, x;
		1298	int y1, y;
		1299	int z;
		1300	SV *map_sv = newSV (w * h * sizeof (uint32_t));
		1301	uint32_t *map = (uint32_t *)SvPVX (map_sv);
		1302
		1303	SvPOK_only (map_sv);
		1304	SvCUR_set (map_sv, w * h * sizeof (uint32_t));
		1305
		1306	x0 += self->x; x1 = x0 + w;
		1307	y0 += self->y; y1 = y0 + h;
		1308
		1309	for (y = y0; y < y1; y++)
		1310	{
		1311	maprow *row = 0 <= y && y < self->rows
		1312	? self->row + y
		1313	: 0;
		1314
		1315	for (x = x0; x < x1; x++)
		1316	{
		1317	int r = 32, g = 32, b = 32, a = 192;
		1318
		1319	if (row && row->c0 <= x && x < row->c1)
		1320	{
		1321	mapcell *cell = row->col + (x - row->c0);
		1322
		1323	for (z = 0; z <= 0; z++)
		1324	{
		1325	mapface face = cell->face [z];
		1326
		1327	if (face)
		1328	{
		1329	maptex tex = self->tex [face];
		1330	int a0 = 255 - tex.a;
		1331	int a1 = tex.a;
		1332
		1333	r = (r * a0 + tex.r * a1) / 255;
		1334	g = (g * a0 + tex.g * a1) / 255;
		1335	b = (b * a0 + tex.b * a1) / 255;
		1336	a = (a * a0 + tex.a * a1) / 255;
		1337	}
		1338	}
		1339	}
		1340
		1341	*map++ = (r )
		1342	| (g << 8)
		1343	| (b << 16)
		1344	| (a << 24);
		1345	}
		1346	}
		1347
		1348	RETVAL = map_sv;
		1349	}
		1350	OUTPUT:
		1351	RETVAL
		1352
		1353	void
		1354	draw (CFClient::Map self, int shift_x, int shift_y, int x0, int y0, int sw, int sh)
		1355	CODE:
		1356	{
		1357	int vx, vy;
		1358	int x, y, z;
		1359	int last_name;
		1360	mapface face;
		1361
		1362	vx = self->x + self->w / 2 - sw / 2 - shift_x;
		1363	vy = self->y + self->h / 2 - sh / 2 - shift_y;
		1364
		1365	/*
		1366	int vx = self->vx = self->w >= sw
		1367	? self->x + (self->w - sw) / 2
		1368	: MIN (self->x, MAX (self->x + self->w - sw + 1, self->vx));
		1369
		1370	int vy = self->vy = self->h >= sh
		1371	? self->y + (self->h - sh) / 2
		1372	: MIN (self->y, MAX (self->y + self->h - sh + 1, self->vy));
		1373	*/
		1374
		1375	glColor4ub (255, 255, 255, 255);
		1376
		1377	glEnable (GL_BLEND);
		1378	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		1379	glEnable (GL_TEXTURE_2D);
		1380	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
		1381
		1382	glBegin (GL_QUADS);
		1383
		1384	last_name = 0;
		1385
		1386	for (z = 0; z < 3; z++)
		1387	for (y = 0; y < sh; y++)
		1388	if (0 <= y + vy && y + vy < self->rows)
		1389	{
		1390	maprow *row = self->row + (y + vy);
		1391
		1392	for (x = 0; x < sw; x++)
		1393	if (row->c0 <= x + vx && x + vx < row->c1)
		1394	{
		1395	mapcell *cell = row->col + (x + vx - row->c0);
		1396
		1397	face = cell->face [z];
		1398
		1399	if (face)
		1400	{
		1401	maptex tex = self->tex [face];
		1402
		1403	int px = (x + 1) * 32 - tex.w;
		1404	int py = (y + 1) * 32 - tex.h;
		1405
		1406	if (last_name != tex.name)
		1407	{
		1408	glEnd ();
		1409	last_name = tex.name;
		1410	glBindTexture (GL_TEXTURE_2D, last_name);
		1411	glBegin (GL_QUADS);
		1412	}
		1413
		1414	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
		1415	glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);
		1416	glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
		1417	glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );
		1418	}
		1419	}
		1420	}
		1421
		1422	glEnd ();
		1423
		1424	glDisable (GL_TEXTURE_2D);
		1425	glDisable (GL_BLEND);
		1426	}
		1427
		1428	void
		1429	draw_magicmap (CFClient::Map self, int dx, int dy, int w, int h, unsigned char *data)
		1430	CODE:
		1431	{
		1432	static float color[16][3] = {
		1433	{ 0.00F, 0.00F, 0.00F },
		1434	{ 1.00F, 1.00F, 1.00F },
		1435	{ 0.00F, 0.00F, 0.55F },
		1436	{ 1.00F, 0.00F, 0.00F },
		1437
		1438	{ 1.00F, 0.54F, 0.00F },
		1439	{ 0.11F, 0.56F, 1.00F },
		1440	{ 0.93F, 0.46F, 0.00F },
		1441	{ 0.18F, 0.54F, 0.34F },
		1442
		1443	{ 0.56F, 0.73F, 0.56F },
		1444	{ 0.80F, 0.80F, 0.80F },
		1445	{ 0.55F, 0.41F, 0.13F },
		1446	{ 0.99F, 0.77F, 0.26F },
		1447
		1448	{ 0.74F, 0.65F, 0.41F },
		1449
		1450	{ 0.00F, 1.00F, 1.00F },
		1451	{ 1.00F, 0.00F, 1.00F },
		1452	{ 1.00F, 1.00F, 0.00F },
		1453	};
		1454
		1455	int x, y;
		1456
		1457	glEnable (GL_TEXTURE_2D);
		1458	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
		1459	glEnable (GL_BLEND);
		1460	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		1461	glBegin (GL_QUADS);
		1462
		1463	for (y = 0; y < h; y++)
		1464	for (x = 0; x < w; x++)
		1465	{
		1466	unsigned char m = data [x + y * w];
		1467
		1468	if (m)
		1469	{
		1470	float *c = color [m & 15];
		1471
		1472	float tx1 = m & 0x40 ? 0.5 : 0.;
		1473	float tx2 = tx1 + 0.5;
		1474
		1475	glColor4f (c[0], c[1], c[2], 0.75);
		1476	glTexCoord2f (tx1, 0.); glVertex2i (x , y );
		1477	glTexCoord2f (tx1, 1.); glVertex2i (x , y + 1);
		1478	glTexCoord2f (tx2, 1.); glVertex2i (x + 1, y + 1);
		1479	glTexCoord2f (tx2, 0.); glVertex2i (x + 1, y );
		1480	}
		1481	}
		1482
		1483	glEnd ();
		1484	glDisable (GL_BLEND);
		1485	glDisable (GL_TEXTURE_2D);
		1486	}
		1487
		1488	void
		1489	fow_texture (CFClient::Map self, int shift_x, int shift_y, int x0, int y0, int sw, int sh)
		1490	PPCODE:
		1491	{
		1492	int vx, vy;
		1493	int x, y;
		1494	int sw4 = (sw + 3) & ~3;
		1495	SV *darkness_sv = sv_2mortal (newSV (sw4 * sh));
		1496	uint8_t *darkness = (uint8_t *)SvPVX (darkness_sv);
		1497
		1498	memset (darkness, 255, sw4 * sh);
		1499	SvPOK_only (darkness_sv);
		1500	SvCUR_set (darkness_sv, sw4 * sh);
		1501
		1502	vx = self->x + (self->w - sw + 1) / 2 - shift_x;
		1503	vy = self->y + (self->h - sh + 1) / 2 - shift_y;
		1504
		1505	for (y = 0; y < sh; y++)
		1506	if (0 <= y + vy && y + vy < self->rows)
		1507	{
		1508	maprow *row = self->row + (y + vy);
		1509
		1510	for (x = 0; x < sw; x++)
		1511	if (row->c0 <= x + vx && x + vx < row->c1)
		1512	{
		1513	mapcell *cell = row->col + (x + vx - row->c0);
		1514
		1515	darkness[y * sw4 + x] = cell->darkness < 0
		1516	? 255 - FOW_DARKNESS
		1517	: 255 - cell->darkness;
		1518	}
		1519	}
		1520
		1521	EXTEND (SP, 3);
		1522	PUSHs (sv_2mortal (newSViv (sw4)));
		1523	PUSHs (sv_2mortal (newSViv (sh)));
		1524	PUSHs (darkness_sv);
		1525	}
		1526
		1527	SV *
		1528	get_rect (CFClient::Map self, int x0, int y0, int w, int h)
		1529	CODE:
		1530	{
		1531	int x, y, x1, y1;
		1532	SV *data_sv = newSV (w * h * 7 + 5);
		1533	uint8_t *data = (uint8_t *)SvPVX (data_sv);
		1534
		1535	*data++ = 0; /* version 0 format */
		1536	*data++ = w >> 8; *data++ = w;
		1537	*data++ = h >> 8; *data++ = h;
		1538
		1539	// we need to do this 'cause we don't keep an absolute coord system for rows
		1540	// TODO: treat rows as we treat columns
		1541	map_get_row (self, y0 + self->y - self->oy);//D
		1542	map_get_row (self, y0 + self->y - self->oy + h - 1);//D
		1543
		1544	x0 += self->x - self->ox;
		1545	y0 += self->y - self->oy;
		1546
		1547	x1 = x0 + w;
		1548	y1 = y0 + h;
		1549
		1550	for (y = y0; y < y1; y++)
		1551	{
		1552	maprow *row = 0 <= y && y < self->rows
		1553	? self->row + y
		1554	: 0;
		1555
		1556	for (x = x0; x < x1; x++)
		1557	{
		1558	if (row && row->c0 <= x && x < row->c1)
		1559	{
		1560	mapcell *cell = row->col + (x - row->c0);
		1561	uint8_t flags = 0;
		1562
		1563	if (cell->face [0]) flags |= 1;
		1564	if (cell->face [1]) flags |= 2;
		1565	if (cell->face [2]) flags |= 4;
		1566
		1567	*data++ = flags;
		1568
		1569	if (flags & 1)
		1570	{
		1571	*data++ = cell->face [0] >> 8;
		1572	*data++ = cell->face [0];
		1573	}
		1574
		1575	if (flags & 2)
		1576	{
		1577	*data++ = cell->face [1] >> 8;
		1578	*data++ = cell->face [1];
		1579	}
		1580
		1581	if (flags & 4)
		1582	{
		1583	*data++ = cell->face [2] >> 8;
		1584	*data++ = cell->face [2];
		1585	}
		1586	}
		1587	else
		1588	*data++ = 0;
		1589	}
		1590	}
		1591
		1592	SvPOK_only (data_sv);
		1593	SvCUR_set (data_sv, data - (uint8_t *)SvPVX (data_sv));
		1594	RETVAL = data_sv;
		1595	}
		1596	OUTPUT:
		1597	RETVAL
		1598
		1599	void
		1600	set_rect (CFClient::Map self, int x0, int y0, uint8_t *data)
		1601	PPCODE:
		1602	{
		1603	int x, y, z;
		1604	int w, h;
		1605	int x1, y1;
		1606
		1607	if (*data++ != 0)
		1608	return; /* version mismatch */
		1609
		1610	w = *data++ << 8; w |= *data++;
		1611	h = *data++ << 8; h |= *data++;
		1612
		1613	// we need to do this 'cause we don't keep an absolute coord system for rows
		1614	// TODO: treat rows as we treat columns
		1615	map_get_row (self, y0 + self->y - self->oy);//D
		1616	map_get_row (self, y0 + self->y - self->oy + h - 1);//D
		1617
		1618	x0 += self->x - self->ox;
		1619	y0 += self->y - self->oy;
		1620
		1621	x1 = x0 + w;
		1622	y1 = y0 + h;
		1623
		1624	for (y = y0; y < y1; y++)
		1625	{
		1626	maprow *row = map_get_row (self, y);
		1627
		1628	for (x = x0; x < x1; x++)
		1629	{
		1630	uint8_t flags = *data++;
		1631
		1632	if (flags)
		1633	{
		1634	mapface face[3] = { 0, 0, 0 };
		1635
		1636	mapcell *cell = row_get_cell (row, x);
		1637
		1638	if (flags & 1) { face[0] = *data++ << 8; face[0] |= *data++; }
		1639	if (flags & 2) { face[1] = *data++ << 8; face[1] |= *data++; }
		1640	if (flags & 4) { face[2] = *data++ << 8; face[2] |= *data++; }
		1641
		1642	if (cell->darkness <= 0)
		1643	{
		1644	cell->darkness = -1;
		1645
		1646	for (z = 0; z <= 2; z++)
		1647	{
		1648	cell->face[z] = face[z];
		1649
		1650	if (face[z] && (face[z] >= self->texs || !self->tex[face [z]].name))
		1651	XPUSHs (sv_2mortal (newSViv (face[z])));
		1652	}
		1653	}
		1654	}
		1655	}
		1656	}
		1657	}
		1658
		1659	MODULE = CFClient PACKAGE = CFClient::MixChunk
		1660
		1661	CFClient::MixChunk
		1662	new_from_file (SV *class, char *path)
		1663	CODE:
		1664	RETVAL = Mix_LoadWAV (path);
		1665	OUTPUT:
		1666	RETVAL
		1667
		1668	void
		1669	DESTROY (CFClient::MixChunk self)
		1670	CODE:
		1671	Mix_FreeChunk (self);
		1672
		1673	int
		1674	volume (CFClient::MixChunk self, int volume = -1)
		1675	CODE:
		1676	RETVAL = Mix_VolumeChunk (self, volume);
		1677	OUTPUT:
		1678	RETVAL
		1679
		1680	int
		1681	play (CFClient::MixChunk self, int channel = -1, int loops = 0, int ticks = -1)
		1682	CODE:
		1683	RETVAL = Mix_PlayChannelTimed (channel, self, loops, ticks);
		1684	OUTPUT:
		1685	RETVAL
		1686
		1687	MODULE = CFClient PACKAGE = CFClient::MixMusic
		1688
		1689	int
		1690	volume (int volume = -1)
		1691	CODE:
		1692	RETVAL = Mix_VolumeMusic (volume);
		1693	OUTPUT:
		1694	RETVAL
		1695
		1696	CFClient::MixMusic
		1697	new_from_file (SV *class, char *path)
		1698	CODE:
		1699	RETVAL = Mix_LoadMUS (path);
		1700	OUTPUT:
		1701	RETVAL
		1702
		1703	void
		1704	DESTROY (CFClient::MixMusic self)
		1705	CODE:
		1706	Mix_FreeMusic (self);
		1707
		1708	int
		1709	play (CFClient::MixMusic self, int loops = -1)
		1710	CODE:
		1711	RETVAL = Mix_PlayMusic (self, loops);
		1712	OUTPUT:
		1713	RETVAL
		1714
		1715	MODULE = CFClient PACKAGE = CFClient::OpenGL
		1716
		1717	BOOT:
		1718	{
		1719	HV *stash = gv_stashpv ("CFClient::OpenGL", 1);
		1720	static const struct {
		1721	const char *name;
		1722	IV iv;
		1723	} *civ, const_iv[] = {
		1724	# define const_iv(name) { # name, (IV)name }
		1725	const_iv (GL_COLOR_MATERIAL),
		1726	const_iv (GL_SMOOTH),
		1727	const_iv (GL_FLAT),
		1728	const_iv (GL_DITHER),
		1729	const_iv (GL_BLEND),
		1730	const_iv (GL_CULL_FACE),
		1731	const_iv (GL_SCISSOR_TEST),
		1732	const_iv (GL_DEPTH_TEST),
		1733	const_iv (GL_ALPHA_TEST),
		1734	const_iv (GL_NORMALIZE),
		1735	const_iv (GL_RESCALE_NORMAL),
		1736	const_iv (GL_FRONT),
		1737	const_iv (GL_BACK),
		1738	const_iv (GL_AND),
		1739	const_iv (GL_ONE),
		1740	const_iv (GL_ZERO),
		1741	const_iv (GL_SRC_ALPHA),
		1742	const_iv (GL_DST_ALPHA),
		1743	const_iv (GL_ONE_MINUS_SRC_ALPHA),
		1744	const_iv (GL_ONE_MINUS_DST_ALPHA),
		1745	const_iv (GL_SRC_ALPHA_SATURATE),
		1746	const_iv (GL_RGB),
		1747	const_iv (GL_RGBA),
		1748	const_iv (GL_RGBA4),
		1749	const_iv (GL_RGBA8),
		1750	const_iv (GL_RGB5_A1),
		1751	const_iv (GL_UNSIGNED_BYTE),
		1752	const_iv (GL_UNSIGNED_SHORT),
		1753	const_iv (GL_UNSIGNED_INT),
		1754	const_iv (GL_ALPHA),
		1755	const_iv (GL_INTENSITY),
		1756	const_iv (GL_LUMINANCE),
		1757	const_iv (GL_LUMINANCE_ALPHA),
		1758	const_iv (GL_FLOAT),
		1759	const_iv (GL_UNSIGNED_INT_8_8_8_8_REV),
		1760	const_iv (GL_COMPILE),
		1761	const_iv (GL_TEXTURE_1D),
		1762	const_iv (GL_TEXTURE_2D),
		1763	const_iv (GL_TEXTURE_ENV),
		1764	const_iv (GL_TEXTURE_MAG_FILTER),
		1765	const_iv (GL_TEXTURE_MIN_FILTER),
		1766	const_iv (GL_TEXTURE_ENV_MODE),
		1767	const_iv (GL_TEXTURE_WRAP_S),
		1768	const_iv (GL_TEXTURE_WRAP_T),
		1769	const_iv (GL_REPEAT),
		1770	const_iv (GL_CLAMP),
		1771	const_iv (GL_CLAMP_TO_EDGE),
		1772	const_iv (GL_NEAREST),
		1773	const_iv (GL_LINEAR),
		1774	const_iv (GL_NEAREST_MIPMAP_NEAREST),
		1775	const_iv (GL_LINEAR_MIPMAP_NEAREST),
		1776	const_iv (GL_NEAREST_MIPMAP_LINEAR),
		1777	const_iv (GL_LINEAR_MIPMAP_LINEAR),
		1778	const_iv (GL_GENERATE_MIPMAP),
		1779	const_iv (GL_MODULATE),
		1780	const_iv (GL_DECAL),
		1781	const_iv (GL_REPLACE),
		1782	const_iv (GL_DEPTH_BUFFER_BIT),
		1783	const_iv (GL_COLOR_BUFFER_BIT),
		1784	const_iv (GL_PROJECTION),
		1785	const_iv (GL_MODELVIEW),
		1786	const_iv (GL_COLOR_LOGIC_OP),
		1787	const_iv (GL_SEPARABLE_2D),
		1788	const_iv (GL_CONVOLUTION_2D),
		1789	const_iv (GL_CONVOLUTION_BORDER_MODE),
		1790	const_iv (GL_CONSTANT_BORDER),
		1791	const_iv (GL_LINES),
		1792	const_iv (GL_LINE_LOOP),
		1793	const_iv (GL_QUADS),
		1794	const_iv (GL_QUAD_STRIP),
		1795	const_iv (GL_TRIANGLES),
		1796	const_iv (GL_TRIANGLE_STRIP),
		1797	const_iv (GL_TRIANGLE_FAN),
		1798	const_iv (GL_PERSPECTIVE_CORRECTION_HINT),
		1799	const_iv (GL_FASTEST),
		1800	const_iv (GL_V2F),
		1801	const_iv (GL_V3F),
		1802	const_iv (GL_T2F_V3F),
		1803	const_iv (GL_T2F_N3F_V3F),
		1804	# undef const_iv
		1805	};
		1806
		1807	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		1808	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		1809	}
		1810
		1811	char *
		1812	gl_vendor ()
		1813	CODE:
		1814	RETVAL = (char *)glGetString (GL_VENDOR);
		1815	OUTPUT:
		1816	RETVAL
		1817
		1818	char *
		1819	gl_version ()
		1820	CODE:
		1821	RETVAL = (char *)glGetString (GL_VERSION);
		1822	OUTPUT:
		1823	RETVAL
		1824
		1825	char *
		1826	gl_extensions ()
		1827	CODE:
		1828	RETVAL = (char *)glGetString (GL_EXTENSIONS);
		1829	OUTPUT:
		1830	RETVAL
		1831
		1832	int glGetError ()
		1833
		1834	void glFinish ()
		1835
		1836	void glClear (int mask)
		1837
		1838	void glClearColor (float r, float g, float b, float a = 1.0)
		1839	PROTOTYPE: @
		1840
		1841	void glEnable (int cap)
		1842
		1843	void glDisable (int cap)
		1844
		1845	void glShadeModel (int mode)
		1846
		1847	void glHint (int target, int mode)
		1848
		1849	void glBlendFunc (int sfactor, int dfactor)
		1850
		1851	void glBlendFuncSeparate (int sa, int da, int saa, int daa)
		1852	CODE:
		1853	gl_BlendFuncSeparate (sa, da, saa, daa);
		1854
		1855	void glDepthMask (int flag)
		1856
		1857	void glLogicOp (int opcode)
		1858
		1859	void glColorMask (int red, int green, int blue, int alpha)
		1860
		1861	void glMatrixMode (int mode)
		1862
		1863	void glPushMatrix ()
		1864
		1865	void glPopMatrix ()
		1866
		1867	void glLoadIdentity ()
		1868
		1869	void glDrawBuffer (int buffer)
		1870
		1871	void glReadBuffer (int buffer)
		1872
		1873	# near_ and far_ are due to microsofts buggy "c" compiler
		1874	void glFrustum (double left, double right, double bottom, double top, double near_, double far_)
		1875
		1876	# near_ and far_ are due to microsofts buggy "c" compiler
		1877	void glOrtho (double left, double right, double bottom, double top, double near_, double far_)
		1878
		1879	void glViewport (int x, int y, int width, int height)
		1880
		1881	void glScissor (int x, int y, int width, int height)
		1882
		1883	void glTranslate (float x, float y, float z = 0.)
		1884	CODE:
		1885	glTranslatef (x, y, z);
		1886
		1887	void glScale (float x, float y, float z = 1.)
		1888	CODE:
		1889	glScalef (x, y, z);
		1890
		1891	void glRotate (float angle, float x, float y, float z)
		1892	CODE:
		1893	glRotatef (angle, x, y, z);
		1894
		1895	void glBegin (int mode)
		1896
		1897	void glEnd ()
		1898
		1899	void glColor (float r, float g, float b, float a = 1.0)
		1900	PROTOTYPE: @
		1901	ALIAS:
		1902	glColor_premultiply = 1
		1903	CODE:
		1904	if (ix)
		1905	{
		1906	r *= a;
		1907	g *= a;
		1908	b *= a;
		1909	}
		1910	// microsoft visual "c" rounds instead of truncating...
		1911	glColor4ub (MIN ((int)(r * 256.f), 255),
		1912	MIN ((int)(g * 256.f), 255),
		1913	MIN ((int)(b * 256.f), 255),
		1914	MIN ((int)(a * 256.f), 255));
		1915
		1916	void glInterleavedArrays (int format, int stride, char *data)
		1917
		1918	void glDrawElements (int mode, int count, int type, char *indices)
		1919
		1920	# 1.2 void glDrawRangeElements (int mode, int start, int end
		1921
		1922	void glRasterPos (float x, float y, float z = 0.)
		1923	CODE:
		1924	glRasterPos3f (0, 0, z);
		1925	glBitmap (0, 0, 0, 0, x, y, 0);
		1926
		1927	void glVertex (float x, float y, float z = 0.)
		1928	CODE:
		1929	glVertex3f (x, y, z);
		1930
		1931	void glTexCoord (float s, float t)
		1932	CODE:
		1933	glTexCoord2f (s, t);
		1934
		1935	void glTexEnv (int target, int pname, float param)
		1936	CODE:
		1937	glTexEnvf (target, pname, param);
		1938
		1939	void glTexParameter (int target, int pname, float param)
		1940	CODE:
		1941	glTexParameterf (target, pname, param);
		1942
		1943	void glBindTexture (int target, int name)
		1944
		1945	void glConvolutionParameter (int target, int pname, float params)
		1946	CODE:
		1947	if (gl.ConvolutionParameterf)
		1948	gl.ConvolutionParameterf (target, pname, params);
		1949
		1950	void glConvolutionFilter2D (int target, int internalformat, int width, int height, int format, int type, char *data)
		1951	CODE:
		1952	if (gl.ConvolutionFilter2D)
		1953	gl.ConvolutionFilter2D (target, internalformat, width, height, format, type, data);
		1954
		1955	void glSeparableFilter2D (int target, int internalformat, int width, int height, int format, int type, char *row, char *column)
		1956	CODE:
		1957	if (gl.SeparableFilter2D)
		1958	gl.SeparableFilter2D (target, internalformat, width, height, format, type, row, column);
		1959
		1960	void glTexImage2D (int target, int level, int internalformat, int width, int height, int border, int format, int type, char *data)
		1961
		1962	void glCopyTexImage2D (int target, int level, int internalformat, int x, int y, int width, int height, int border)
		1963
		1964	void glDrawPixels (int width, int height, int format, int type, char *pixels)
		1965
		1966	void glCopyPixels (int x, int y, int width, int height, int type = GL_COLOR)
		1967
		1968	int glGenTexture ()
		1969	CODE:
		1970	{
		1971	GLuint name;
		1972	glGenTextures (1, &name);
		1973	RETVAL = name;
		1974	}
		1975	OUTPUT:
		1976	RETVAL
		1977
		1978	void glDeleteTexture (int name)
		1979	CODE:
		1980	{
		1981	GLuint name_ = name;
		1982	glDeleteTextures (1, &name_);
		1983	}
		1984
		1985	int glGenList ()
		1986	CODE:
		1987	RETVAL = glGenLists (1);
		1988	OUTPUT:
		1989	RETVAL
		1990
		1991	void glDeleteList (int list)
		1992	CODE:
		1993	glDeleteLists (list, 1);
		1994
		1995	void glNewList (int list, int mode = GL_COMPILE)
		1996
		1997	void glEndList ()
		1998
		1999	void glCallList (int list)
		2000
		2001

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