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

Comparing deliantra/Deliantra-Client/Client.xs (file contents):
Revision 1.12 by root, Mon Apr 10 22:16:33 2006 UTC vs.
Revision 1.205 by root, Thu Jul 19 22:38:52 2007 UTC

		1	#ifdef _WIN32
		2	# define WIN32_LEAN_AND_MEAN
		3	# define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls
		4	# include <malloc.h>
		5	# include <windows.h>
		6	# include <wininet.h>
		7	# pragma warning(disable:4244)
		8	# pragma warning(disable:4761)
		9	#endif
		10
		11	//#define DEBUG 1
		12	#if DEBUG
		13	# include <valgrind/memcheck.h>
		14	#endif
		15
1	#include "EXTERN.h"	16	#include "EXTERN.h"
2	#include "perl.h"	17	#include "perl.h"
3	#include "XSUB.h"	18	#include "XSUB.h"
4		19
		20	#ifdef _WIN32
		21	# undef pipe
		22	#endif
		23
		24	#include <assert.h>
		25	#include <math.h>
5	#include <string.h>	26	#include <string.h>
		27	#include <stdio.h>
		28	#include <stdlib.h>
6		29
7	#include <SDL.h>	30	#include <SDL.h>
		31	#include <SDL_thread.h>
		32	#include <SDL_endian.h>
		33	#include <SDL_image.h>
		34	#include <SDL_mixer.h>
8	#include <SDL_opengl.h>	35	#include <SDL_opengl.h>
9		36
		37	#define PANGO_ENABLE_BACKEND
		38	#define G_DISABLE_CAST_CHECKS
		39
		40	#include <glib/gmacros.h>
		41
10	#include <pango/pango.h>	42	#include <pango/pango.h>
11	#include <pango/pangofc-fontmap.h>
12	#include <pango/pangoft2.h>
13		43
		44	#ifndef _WIN32
14	#include <sys/types.h>	45	# include <sys/types.h>
15	#include <sys/socket.h>	46	# include <sys/socket.h>
16	#include <netinet/in.h>	47	# include <netinet/in.h>
17	#include <netinet/tcp.h>	48	# include <netinet/tcp.h>
		49	# include <inttypes.h>
		50	#endif
18		51
		52	#define OBJ_STR "\xef\xbf\xbc" /* U+FFFC, object replacement character */
		53
		54	#define FOW_DARKNESS 32
		55
		56	#define MAP_EXTEND_X 32
		57	#define MAP_EXTEND_Y 512
		58
		59	#define MIN_FONT_HEIGHT 10
		60
		61	#if 0
		62	# define PARACHUTE SDL_INIT_NOPARACHUTE
		63	#else
		64	# define PARACHUTE 0
		65	#endif
		66
		67	static AV *texture_av;
		68
		69	static struct
		70	{
		71	#define GL_FUNC(ptr,name) ptr name;
		72	#include "glfunc.h"
		73	#undef GL_FUNC
		74	} gl;
		75
		76	static void
		77	gl_BlendFuncSeparate (GLenum sa, GLenum da, GLenum saa, GLenum daa)
		78	{
		79	if (gl.BlendFuncSeparate)
		80	gl.BlendFuncSeparate (sa, da, saa, daa);
		81	else if (gl.BlendFuncSeparateEXT)
		82	gl.BlendFuncSeparateEXT (sa, da, saa, daa);
		83	else
		84	glBlendFunc (sa, da);
		85	}
		86
		87	static GLuint
		88	gen_texture ()
		89	{
		90	GLuint name;
		91
		92	if (AvFILL (texture_av) >= 0)
		93	name = (GLuint)(size_t)av_pop (texture_av);
		94	else
		95	glGenTextures (1, &name);
		96
		97	return name;
		98	}
		99
		100	static void
		101	del_texture (GLuint name)
		102	{
		103	/* make a half-assed attempt at returning the memory used by the texture */
		104	/* textures are frequently being reused by cfplus anyway */
		105	/*glBindTexture (GL_TEXTURE_2D, name);*/
		106	/*glTexImage2D (GL_TEXTURE_2D, 0, GL_ALPHA, 0, 0, 0, GL_ALPHA, GL_UNSIGNED_BYTE, 0);*/
		107	av_push (texture_av, (SV *)(size_t)name);
		108	glDeleteTextures (1, &name);
		109	}
		110
		111	#include "texcache.c"
		112
		113	#include "pango-font.c"
		114	#include "pango-fontmap.c"
		115	#include "pango-render.c"
		116
		117	typedef Mix_Chunk *CFPlus__MixChunk;
		118	typedef Mix_Music *CFPlus__MixMusic;
		119
		120	typedef PangoFontDescription *CFPlus__Font;
		121
		122	static int
		123	shape_attr_p (PangoLayoutRun *run)
		124	{
		125	GSList *attrs = run->item->analysis.extra_attrs;
		126
		127	while (attrs)
		128	{
		129	PangoAttribute *attr = attrs->data;
		130
		131	if (attr->klass->type == PANGO_ATTR_SHAPE)
		132	return 1;
		133
		134	attrs = attrs->next;
		135	}
		136
		137	return 0;
		138	}
		139
		140	typedef struct cf_layout {
		141	PangoLayout *pl;
		142	float r, g, b, a; // default color for rgba mode
		143	int base_height;
		144	CFPlus__Font font;
		145	} *CFPlus__Layout;
		146
		147	static CFPlus__Font default_font;
19	static PangoContext *context;	148	static PangoContext *opengl_context;
20	static PangoFontMap *fontmap;	149	static PangoFontMap *opengl_fontmap;
21		150
22	MODULE = Crossfire::Client PACKAGE = Crossfire::Client	151	static void
		152	substitute_func (FcPattern *pattern, gpointer data)
		153	{
		154	FcPatternAddBool (pattern, FC_HINTING, 1);
		155	#ifdef FC_HINT_STYLE
		156	FcPatternAddBool (pattern, FC_HINT_STYLE, FC_HINT_FULL);
		157	#endif
		158	FcPatternAddBool (pattern, FC_AUTOHINT, 0);
		159	}
		160
		161	static void
		162	layout_update_font (CFPlus__Layout self)
		163	{
		164	/* use a random scale factor to account for unknown descenders, 0.8 works
		165	* reasonably well with bitstream vera
		166	*/
		167	PangoFontDescription *font = self->font ? self->font : default_font;
		168
		169	pango_font_description_set_absolute_size (font,
		170	MAX (MIN_FONT_HEIGHT, self->base_height) * (PANGO_SCALE * 8 / 10));
		171
		172	pango_layout_set_font_description (self->pl, font);
		173	}
		174
		175	static void
		176	layout_get_pixel_size (CFPlus__Layout self, int *w, int *h)
		177	{
		178	PangoRectangle rect;
		179
		180	// get_pixel_* wrongly rounds down
		181	pango_layout_get_extents (self->pl, 0, &rect);
		182
		183	rect.width = (rect.width + PANGO_SCALE - 1) / PANGO_SCALE;
		184	rect.height = (rect.height + PANGO_SCALE - 1) / PANGO_SCALE;
		185
		186	if (!rect.width) rect.width = 1;
		187	if (!rect.height) rect.height = 1;
		188
		189	*w = rect.width;
		190	*h = rect.height;
		191	}
		192
		193	typedef uint16_t tileid;
		194	typedef uint16_t faceid;
		195
		196	typedef struct {
		197	int name;
		198	int w, h;
		199	float s, t;
		200	uint8_t r, g, b, a;
		201	tileid smoothtile;
		202	uint8_t smoothlevel;
		203	} maptex;
		204
		205	typedef struct {
		206	uint32_t player;
		207	tileid tile[3];
		208	uint16_t darkness;
		209	uint8_t stat_width, stat_hp, flags, smoothmax;
		210	} mapcell;
		211
		212	typedef struct {
		213	int32_t c0, c1;
		214	mapcell *col;
		215	} maprow;
		216
		217	typedef struct map {
		218	int x, y, w, h;
		219	int ox, oy; /* offset to virtual global coordinate system */
		220	int faces; tileid *face2tile; // [faceid]
		221	int texs; maptex *tex; // [tileid]
		222
		223	int32_t rows;
		224	maprow *row;
		225	} *CFPlus__Map;
		226
		227	static char *
		228	prepend (char *ptr, int sze, int inc)
		229	{
		230	char *p;
		231
		232	New (0, p, sze + inc, char);
		233	Zero (p, inc, char);
		234	Move (ptr, p + inc, sze, char);
		235	Safefree (ptr);
		236
		237	return p;
		238	}
		239
		240	static char *
		241	append (char *ptr, int sze, int inc)
		242	{
		243	Renew (ptr, sze + inc, char);
		244	Zero (ptr + sze, inc, char);
		245
		246	return ptr;
		247	}
		248
		249	#define Append(type,ptr,sze,inc) (ptr) = (type *)append ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
		250	#define Prepend(type,ptr,sze,inc) (ptr) = (type *)prepend ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
		251
		252	static void
		253	need_facenum (struct map *self, faceid face)
		254	{
		255	while (self->faces <= face)
		256	{
		257	Append (tileid, self->face2tile, self->faces, self->faces);
		258	self->faces *= 2;
		259	}
		260	}
		261
		262	static void
		263	need_texid (struct map *self, int texid)
		264	{
		265	while (self->texs <= texid)
		266	{
		267	Append (maptex, self->tex, self->texs, self->texs);
		268	self->texs *= 2;
		269	}
		270	}
		271
		272	static maprow *
		273	map_get_row (CFPlus__Map self, int y)
		274	{
		275	if (0 > y)
		276	{
		277	int extend = - y + MAP_EXTEND_Y;
		278	Prepend (maprow, self->row, self->rows, extend);
		279
		280	self->rows += extend;
		281	self->y += extend;
		282	y += extend;
		283	}
		284	else if (y >= self->rows)
		285	{
		286	int extend = y - self->rows + MAP_EXTEND_Y;
		287	Append (maprow, self->row, self->rows, extend);
		288	self->rows += extend;
		289	}
		290
		291	return self->row + y;
		292	}
		293
		294	static mapcell *
		295	row_get_cell (maprow *row, int x)
		296	{
		297	if (!row->col)
		298	{
		299	Newz (0, row->col, MAP_EXTEND_X, mapcell);
		300	row->c0 = x - MAP_EXTEND_X / 4;
		301	row->c1 = row->c0 + MAP_EXTEND_X;
		302	}
		303
		304	if (row->c0 > x)
		305	{
		306	int extend = row->c0 - x + MAP_EXTEND_X;
		307	Prepend (mapcell, row->col, row->c1 - row->c0, extend);
		308	row->c0 -= extend;
		309	}
		310	else if (x >= row->c1)
		311	{
		312	int extend = x - row->c1 + MAP_EXTEND_X;
		313	Append (mapcell, row->col, row->c1 - row->c0, extend);
		314	row->c1 += extend;
		315	}
		316
		317	return row->col + (x - row->c0);
		318	}
		319
		320	static mapcell *
		321	map_get_cell (CFPlus__Map self, int x, int y)
		322	{
		323	return row_get_cell (map_get_row (self, y), x);
		324	}
		325
		326	static void
		327	map_clear (CFPlus__Map self)
		328	{
		329	int r;
		330
		331	for (r = 0; r < self->rows; r++)
		332	Safefree (self->row[r].col);
		333
		334	Safefree (self->row);
		335
		336	self->x = 0;
		337	self->y = 0;
		338	self->ox = 0;
		339	self->oy = 0;
		340	self->row = 0;
		341	self->rows = 0;
		342	}
		343
		344	static void
		345	map_blank (CFPlus__Map self, int x0, int y0, int w, int h)
		346	{
		347	int x, y;
		348	maprow *row;
		349	mapcell *cell;
		350
		351	for (y = y0; y < y0 + h; y++)
		352	if (y >= 0)
		353	{
		354	if (y >= self->rows)
		355	break;
		356
		357	row = self->row + y;
		358
		359	for (x = x0; x < x0 + w; x++)
		360	if (x >= row->c0)
		361	{
		362	if (x >= row->c1)
		363	break;
		364
		365	cell = row->col + x - row->c0;
		366
		367	cell->darkness = 0;
		368	cell->stat_hp = 0;
		369	cell->flags = 0;
		370	cell->player = 0;
		371	}
		372	}
		373	}
		374
		375	typedef struct {
		376	tileid tile;
		377	uint8_t x, y, level;
		378	} smooth_key;
		379
		380	static void
		381	smooth_or_bits (HV *hv, smooth_key *key, IV bits)
		382	{
		383	SV **sv = hv_fetch (hv, (char *)key, sizeof (*key), 1);
		384
		385	if (SvIOK (*sv))
		386	SvIV_set (*sv, SvIVX (*sv) | bits);
		387	else
		388	sv_setiv (*sv, bits);
		389	}
		390
		391	static void
		392	music_finished (void)
		393	{
		394	SDL_UserEvent ev;
		395
		396	ev.type = SDL_USEREVENT;
		397	ev.code = 0;
		398	ev.data1 = 0;
		399	ev.data2 = 0;
		400
		401	SDL_PushEvent ((SDL_Event *)&ev);
		402	}
		403
		404	static void
		405	channel_finished (int channel)
		406	{
		407	SDL_UserEvent ev;
		408
		409	ev.type = SDL_USEREVENT;
		410	ev.code = 1;
		411	ev.data1 = (void *)(long)channel;
		412	ev.data2 = 0;
		413
		414	SDL_PushEvent ((SDL_Event *)&ev);
		415	}
		416
		417	static unsigned int
		418	minpot (unsigned int n)
		419	{
		420	if (!n)
		421	return 0;
		422
		423	--n;
		424
		425	n |= n >> 1;
		426	n |= n >> 2;
		427	n |= n >> 4;
		428	n |= n >> 8;
		429	n |= n >> 16;
		430
		431	return n + 1;
		432	}
		433
		434	/* SDL should provide this, really. */
		435	#define SDLK_MODIFIER_MIN 300
		436	#define SDLK_MODIFIER_MAX 314
		437
		438	MODULE = CFPlus PACKAGE = CFPlus
23		439
24	PROTOTYPES: ENABLE	440	PROTOTYPES: ENABLE
25		441
26	BOOT:	442	BOOT:
27	{	443	{
28	fontmap = pango_ft2_font_map_new ();	444	HV *stash = gv_stashpv ("CFPlus", 1);
		445	static const struct {
		446	const char *name;
		447	IV iv;
		448	} *civ, const_iv[] = {
		449	# define const_iv(name) { # name, (IV)name }
		450	const_iv (SDLK_MODIFIER_MIN),
		451	const_iv (SDLK_MODIFIER_MAX),
		452
		453	const_iv (SDL_ACTIVEEVENT),
		454	const_iv (SDL_KEYDOWN),
		455	const_iv (SDL_KEYUP),
		456	const_iv (SDL_MOUSEMOTION),
		457	const_iv (SDL_MOUSEBUTTONDOWN),
		458	const_iv (SDL_MOUSEBUTTONUP),
		459	const_iv (SDL_JOYAXISMOTION),
		460	const_iv (SDL_JOYBALLMOTION),
		461	const_iv (SDL_JOYHATMOTION),
		462	const_iv (SDL_JOYBUTTONDOWN),
		463	const_iv (SDL_JOYBUTTONUP),
		464	const_iv (SDL_QUIT),
		465	const_iv (SDL_SYSWMEVENT),
		466	const_iv (SDL_EVENT_RESERVEDA),
		467	const_iv (SDL_EVENT_RESERVEDB),
		468	const_iv (SDL_VIDEORESIZE),
		469	const_iv (SDL_VIDEOEXPOSE),
		470	const_iv (SDL_USEREVENT),
		471
		472	const_iv (SDL_APPINPUTFOCUS),
		473	const_iv (SDL_APPMOUSEFOCUS),
		474	const_iv (SDL_APPACTIVE),
		475
		476	const_iv (SDLK_KP0),
		477	const_iv (SDLK_KP1),
		478	const_iv (SDLK_KP2),
		479	const_iv (SDLK_KP3),
		480	const_iv (SDLK_KP4),
		481	const_iv (SDLK_KP5),
		482	const_iv (SDLK_KP6),
		483	const_iv (SDLK_KP7),
		484	const_iv (SDLK_KP8),
		485	const_iv (SDLK_KP9),
		486	const_iv (SDLK_KP_PERIOD),
		487	const_iv (SDLK_KP_DIVIDE),
		488	const_iv (SDLK_KP_MULTIPLY),
		489	const_iv (SDLK_KP_MINUS),
		490	const_iv (SDLK_KP_PLUS),
		491	const_iv (SDLK_KP_ENTER),
		492	const_iv (SDLK_KP_EQUALS),
		493	const_iv (SDLK_UP),
		494	const_iv (SDLK_DOWN),
		495	const_iv (SDLK_RIGHT),
		496	const_iv (SDLK_LEFT),
		497	const_iv (SDLK_INSERT),
		498	const_iv (SDLK_HOME),
		499	const_iv (SDLK_END),
		500	const_iv (SDLK_PAGEUP),
		501	const_iv (SDLK_PAGEDOWN),
		502	const_iv (SDLK_F1),
		503	const_iv (SDLK_F2),
		504	const_iv (SDLK_F3),
		505	const_iv (SDLK_F4),
		506	const_iv (SDLK_F5),
		507	const_iv (SDLK_F6),
		508	const_iv (SDLK_F7),
		509	const_iv (SDLK_F8),
		510	const_iv (SDLK_F9),
		511	const_iv (SDLK_F10),
		512	const_iv (SDLK_F11),
		513	const_iv (SDLK_F12),
		514	const_iv (SDLK_F13),
		515	const_iv (SDLK_F14),
		516	const_iv (SDLK_F15),
		517	const_iv (SDLK_NUMLOCK),
		518	const_iv (SDLK_CAPSLOCK),
		519	const_iv (SDLK_SCROLLOCK),
		520	const_iv (SDLK_RSHIFT),
		521	const_iv (SDLK_LSHIFT),
		522	const_iv (SDLK_RCTRL),
		523	const_iv (SDLK_LCTRL),
		524	const_iv (SDLK_RALT),
		525	const_iv (SDLK_LALT),
		526	const_iv (SDLK_RMETA),
		527	const_iv (SDLK_LMETA),
		528	const_iv (SDLK_LSUPER),
		529	const_iv (SDLK_RSUPER),
		530	const_iv (SDLK_MODE),
		531	const_iv (SDLK_COMPOSE),
		532	const_iv (SDLK_HELP),
		533	const_iv (SDLK_PRINT),
		534	const_iv (SDLK_SYSREQ),
		535	const_iv (SDLK_BREAK),
		536	const_iv (SDLK_MENU),
		537	const_iv (SDLK_POWER),
		538	const_iv (SDLK_EURO),
		539	const_iv (SDLK_UNDO),
		540
		541	const_iv (KMOD_NONE),
		542	const_iv (KMOD_SHIFT),
		543	const_iv (KMOD_LSHIFT),
		544	const_iv (KMOD_RSHIFT),
		545	const_iv (KMOD_CTRL),
		546	const_iv (KMOD_LCTRL),
		547	const_iv (KMOD_RCTRL),
		548	const_iv (KMOD_ALT),
		549	const_iv (KMOD_LALT),
		550	const_iv (KMOD_RALT),
		551	const_iv (KMOD_META),
		552	const_iv (KMOD_LMETA),
		553	const_iv (KMOD_RMETA),
		554	const_iv (KMOD_NUM),
		555	const_iv (KMOD_CAPS),
		556	const_iv (KMOD_MODE),
		557	# undef const_iv
		558	};
		559
		560	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		561	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		562
		563	assert (SDLK_MODIFIER_MIN == SDLK_NUMLOCK);
		564	assert (SDLK_MODIFIER_MAX == SDLK_COMPOSE);
		565	}
		566
		567	void
		568	weaken (SV *rv)
		569	PROTOTYPE: $
		570	CODE:
		571	sv_rvweaken (rv);
		572
		573	int
		574	in_destruct ()
		575	CODE:
		576	RETVAL = PL_main_cv == Nullcv;
		577	OUTPUT:
		578	RETVAL
		579
		580	NV floor (NV x)
		581
		582	NV ceil (NV x)
		583
		584	void
		585	pango_init ()
		586	CODE:
		587	{
		588	opengl_fontmap = pango_opengl_font_map_new ();
		589	pango_opengl_font_map_set_default_substitute ((PangoOpenGLFontMap *)opengl_fontmap, substitute_func, 0, 0);
29	context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);	590	opengl_context = pango_opengl_font_map_create_context ((PangoOpenGLFontMap *)opengl_fontmap);
30	}	591	}
		592
		593	char *
		594	SDL_GetError ()
		595
		596	int
		597	SDL_Init (U32 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | PARACHUTE)
		598
		599	void
		600	SDL_Quit ()
		601
		602	void
		603	SDL_ListModes (int rgb, int alpha)
		604	PPCODE:
		605	{
		606	SDL_Rect **m;
		607
		608	SDL_GL_SetAttribute (SDL_GL_RED_SIZE , rgb);
		609	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb);
		610	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE , rgb);
		611	SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, alpha);
		612
		613	SDL_GL_SetAttribute (SDL_GL_BUFFER_SIZE, 15);
		614	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE , 0);
		615
		616	SDL_GL_SetAttribute (SDL_GL_ACCUM_RED_SIZE , 0);
		617	SDL_GL_SetAttribute (SDL_GL_ACCUM_GREEN_SIZE, 0);
		618	SDL_GL_SetAttribute (SDL_GL_ACCUM_BLUE_SIZE , 0);
		619	SDL_GL_SetAttribute (SDL_GL_ACCUM_ALPHA_SIZE, 0);
		620
		621	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
		622	#if SDL_VERSION_ATLEAST(1,2,10)
		623	SDL_GL_SetAttribute (SDL_GL_ACCELERATED_VISUAL, 1);
		624	SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 1);
		625	#endif
		626
		627	m = SDL_ListModes (0, SDL_FULLSCREEN | SDL_OPENGL);
		628
		629	if (m && m != (SDL_Rect **)-1)
		630	while (*m)
		631	{
		632	if ((*m)->w >= 640 && (*m)->h >= 480)
		633	{
		634	AV *av = newAV ();
		635	av_push (av, newSViv ((*m)->w));
		636	av_push (av, newSViv ((*m)->h));
		637	av_push (av, newSViv (rgb));
		638	av_push (av, newSViv (alpha));
		639	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		640	}
		641
		642	++m;
		643	}
		644	}
		645
		646	int
		647	SDL_SetVideoMode (int w, int h, int rgb, int alpha, int fullscreen)
		648	CODE:
		649	{
		650	SDL_EnableUNICODE (1);
		651	SDL_EnableKeyRepeat (SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
		652
		653	SDL_GL_SetAttribute (SDL_GL_RED_SIZE , rgb);
		654	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb);
		655	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE , rgb);
		656	SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, alpha);
		657
		658	RETVAL = !!SDL_SetVideoMode (
		659	w, h, 0, SDL_OPENGL | (fullscreen ? SDL_FULLSCREEN : 0)
		660	);
		661
		662	if (RETVAL)
		663	{
		664	av_clear (texture_av);
		665
		666	SDL_WM_SetCaption ("Crossfire+ Client " VERSION, "Crossfire+");
		667	#define GL_FUNC(ptr,name) gl.name = (ptr)SDL_GL_GetProcAddress ("gl" # name);
		668	#include "glfunc.h"
		669	#undef GL_FUNC
		670	}
		671	}
		672	OUTPUT:
		673	RETVAL
		674
		675	void
		676	SDL_GL_SwapBuffers ()
		677
		678	char *
		679	SDL_GetKeyName (int sym)
		680
		681	int
		682	SDL_GetAppState ()
		683
		684	void
		685	poll_events ()
		686	PPCODE:
		687	{
		688	SDL_Event ev;
		689
		690	SDL_PumpEvents ();
		691	while (SDL_PeepEvents (&ev, 1, SDL_GETEVENT, SDL_ALLEVENTS) > 0)
		692	{
		693	HV *hv = newHV ();
		694	hv_store (hv, "type", 4, newSViv (ev.type), 0);
		695
		696	switch (ev.type)
		697	{
		698	case SDL_KEYDOWN:
		699	case SDL_KEYUP:
		700	hv_store (hv, "state", 5, newSViv (ev.key.state), 0);
		701	hv_store (hv, "sym", 3, newSViv (ev.key.keysym.sym), 0);
		702	hv_store (hv, "mod", 3, newSViv (ev.key.keysym.mod), 0);
		703	hv_store (hv, "cmod", 4, newSViv (SDL_GetModState ()), 0); /* current mode */
		704	hv_store (hv, "unicode", 7, newSViv (ev.key.keysym.unicode), 0);
		705	break;
		706
		707	case SDL_ACTIVEEVENT:
		708	hv_store (hv, "gain", 4, newSViv (ev.active.gain), 0);
		709	hv_store (hv, "state", 5, newSViv (ev.active.state), 0);
		710	break;
		711
		712	case SDL_MOUSEMOTION:
		713	{
		714	int state = ev.motion.state;
		715	int x = ev.motion.x;
		716	int y = ev.motion.y;
		717	int xrel = ev.motion.xrel;
		718	int yrel = ev.motion.yrel;
		719
		720	/* do simplistic event compression */
		721	while (SDL_PeepEvents (&ev, 1, SDL_PEEKEVENT, SDL_EVENTMASK (SDL_MOUSEMOTION)) > 0
		722	&& state == ev.motion.state)
		723	{
		724	xrel += ev.motion.xrel;
		725	yrel += ev.motion.yrel;
		726	x = ev.motion.x;
		727	y = ev.motion.y;
		728	SDL_PeepEvents (&ev, 1, SDL_GETEVENT, SDL_EVENTMASK (SDL_MOUSEMOTION));
		729	}
		730
		731	hv_store (hv, "mod", 3, newSViv (SDL_GetModState ()), 0);
		732	hv_store (hv, "state", 5, newSViv (state), 0);
		733	hv_store (hv, "x", 1, newSViv (x), 0);
		734	hv_store (hv, "y", 1, newSViv (y), 0);
		735	hv_store (hv, "xrel", 4, newSViv (xrel), 0);
		736	hv_store (hv, "yrel", 4, newSViv (yrel), 0);
		737	}
		738	break;
		739
		740	case SDL_MOUSEBUTTONDOWN:
		741	case SDL_MOUSEBUTTONUP:
		742	hv_store (hv, "mod", 3, newSViv (SDL_GetModState ()), 0);
		743
		744	hv_store (hv, "button", 6, newSViv (ev.button.button), 0);
		745	hv_store (hv, "state", 5, newSViv (ev.button.state), 0);
		746	hv_store (hv, "x", 1, newSViv (ev.button.x), 0);
		747	hv_store (hv, "y", 1, newSViv (ev.button.y), 0);
		748	break;
		749
		750	case SDL_USEREVENT:
		751	hv_store (hv, "code", 4, newSViv (ev.user.code), 0);
		752	hv_store (hv, "data1", 5, newSViv ((IV)ev.user.data1), 0);
		753	hv_store (hv, "data2", 5, newSViv ((IV)ev.user.data2), 0);
		754	break;
		755	}
		756
		757	XPUSHs (sv_2mortal (sv_bless (newRV_noinc ((SV *)hv), gv_stashpv ("CFPlus::UI::Event", 1))));
		758	}
		759	}
		760
		761	int
		762	Mix_OpenAudio (int frequency = 48000, int format = MIX_DEFAULT_FORMAT, int channels = 1, int chunksize = 2048)
		763	POSTCALL:
		764	Mix_HookMusicFinished (music_finished);
		765	Mix_ChannelFinished (channel_finished);
		766
		767	void
		768	Mix_CloseAudio ()
		769
		770	int
		771	Mix_AllocateChannels (int numchans = -1)
31		772
32	void	773	void
33	lowdelay (int fd, int val = 1)	774	lowdelay (int fd, int val = 1)
34	CODE:	775	CODE:
35	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));	776	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (void *)&val, sizeof (val));
		777
		778	void
		779	win32_proxy_info ()
		780	PPCODE:
		781	{
		782	#ifdef _WIN32
		783	char buffer[2048];
		784	DWORD buflen;
		785
		786	EXTEND (SP, 3);
		787
		788	buflen = sizeof (buffer);
		789	if (InternetQueryOption (0, INTERNET_OPTION_PROXY, (void *)buffer, &buflen))
		790	if (((INTERNET_PROXY_INFO *)buffer)->dwAccessType == INTERNET_OPEN_TYPE_PROXY)
		791	{
		792	PUSHs (newSVpv (((INTERNET_PROXY_INFO *)buffer)->lpszProxy, 0));
		793
		794	buflen = sizeof (buffer);
		795	if (InternetQueryOption (0, INTERNET_OPTION_PROXY_USERNAME, (void *)buffer, &buflen))
		796	{
		797	PUSHs (newSVpv (buffer, 0));
		798
		799	buflen = sizeof (buffer);
		800	if (InternetQueryOption (0, INTERNET_OPTION_PROXY_PASSWORD, (void *)buffer, &buflen))
		801	PUSHs (newSVpv (buffer, 0));
		802	}
		803	}
		804	#endif
		805	}
		806
		807	void
		808	add_font (char *file)
		809	CODE:
		810	FcConfigAppFontAddFile (0, (const FcChar8 *)file);
		811
		812	void
		813	load_image_inline (SV *image_)
		814	ALIAS:
		815	load_image_file = 1
		816	PPCODE:
		817	{
		818	STRLEN image_len;
		819	char *image = (char *)SvPVbyte (image_, image_len);
		820	SDL_Surface *surface, *surface2;
		821	SDL_PixelFormat fmt;
		822	SDL_RWops *rw = ix
		823	? SDL_RWFromFile (image, "r")
		824	: SDL_RWFromConstMem (image, image_len);
		825
		826	if (!rw)
		827	croak ("load_image: %s", SDL_GetError ());
		828
		829	surface = IMG_Load_RW (rw, 1);
		830	if (!surface)
		831	croak ("load_image: %s", SDL_GetError ());
		832
		833	fmt.palette = NULL;
		834	fmt.BitsPerPixel = 32;
		835	fmt.BytesPerPixel = 4;
		836	#if SDL_BYTEORDER == SDL_LIL_ENDIAN
		837	fmt.Rmask = 0x000000ff;
		838	fmt.Gmask = 0x0000ff00;
		839	fmt.Bmask = 0x00ff0000;
		840	fmt.Amask = 0xff000000;
		841	#else
		842	fmt.Rmask = 0xff000000;
		843	fmt.Gmask = 0x00ff0000;
		844	fmt.Bmask = 0x0000ff00;
		845	fmt.Amask = 0x000000ff;
		846	#endif
		847	fmt.Rloss = 0;
		848	fmt.Gloss = 0;
		849	fmt.Bloss = 0;
		850	fmt.Aloss = 0;
		851	fmt.Rshift = 0;
		852	fmt.Gshift = 8;
		853	fmt.Bshift = 16;
		854	fmt.Ashift = 24;
		855	fmt.colorkey = 0;
		856	fmt.alpha = 0;
		857
		858	surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);
		859
		860	assert (surface2->pitch == surface2->w * 4);
		861
		862	SDL_LockSurface (surface2);
		863	EXTEND (SP, 6);
		864	PUSHs (sv_2mortal (newSViv (surface2->w)));
		865	PUSHs (sv_2mortal (newSViv (surface2->h)));
		866	PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
		867	PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
		868	PUSHs (sv_2mortal (newSViv (GL_RGBA)));
		869	PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_BYTE)));
		870	SDL_UnlockSurface (surface2);
		871
		872	SDL_FreeSurface (surface);
		873	SDL_FreeSurface (surface2);
		874	}
		875
		876	void
		877	average (int x, int y, uint32_t *data)
		878	PPCODE:
		879	{
		880	uint32_t r = 0, g = 0, b = 0, a = 0;
		881
		882	x = y = x * y;
		883
		884	while (x--)
		885	{
		886	uint32_t p = *data++;
		887
		888	r += (p ) & 255;
		889	g += (p >> 8) & 255;
		890	b += (p >> 16) & 255;
		891	a += (p >> 24) & 255;
		892	}
		893
		894	EXTEND (SP, 4);
		895	PUSHs (sv_2mortal (newSViv (r / y)));
		896	PUSHs (sv_2mortal (newSViv (g / y)));
		897	PUSHs (sv_2mortal (newSViv (b / y)));
		898	PUSHs (sv_2mortal (newSViv (a / y)));
		899	}
		900
		901	void
		902	error (char *message)
		903	CODE:
		904	fprintf (stderr, "ERROR: %s\n", message);
		905	#ifdef _WIN32
		906	MessageBox (0, message, "Crossfire+ Error", MB_OK | MB_ICONERROR);
		907	#endif
		908
		909	void
		910	fatal (char *message)
		911	CODE:
		912	fprintf (stderr, "FATAL: %s\n", message);
		913	#ifdef _WIN32
		914	MessageBox (0, message, "Crossfire+ Fatal Error", MB_OK | MB_ICONERROR);
		915	#endif
		916	_exit (1);
		917
		918	void
		919	_exit (int retval = 0)
		920	CODE:
		921	#ifdef WIN32
		922	ExitThread (retval); // unclean, please beam me up
		923	#else
		924	_exit (retval);
		925	#endif
		926
		927	void
		928	debug ()
		929	CODE:
		930	{
		931	#if DEBUG
		932	VALGRIND_DO_LEAK_CHECK;
		933	#endif
		934	}
		935
		936	MODULE = CFPlus PACKAGE = CFPlus::Font
		937
		938	PROTOTYPES: DISABLE
		939
		940	CFPlus::Font
		941	new_from_file (SV *class, char *path, int id = 0)
		942	CODE:
		943	{
		944	int count;
		945	FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)path, id, 0, &count);
		946	RETVAL = pango_fc_font_description_from_pattern (pattern, 0);
		947	FcPatternDestroy (pattern);
		948	}
		949	OUTPUT:
		950	RETVAL
		951
		952	void
		953	DESTROY (CFPlus::Font self)
		954	CODE:
		955	pango_font_description_free (self);
		956
		957	void
		958	make_default (CFPlus::Font self)
		959	PROTOTYPE: $
		960	CODE:
		961	default_font = self;
		962
		963	MODULE = CFPlus PACKAGE = CFPlus::Layout
		964
		965	PROTOTYPES: DISABLE
		966
		967	void
		968	reset_glyph_cache ()
		969	PROTOTYPE:
		970	CODE:
		971	tc_clear ();
		972
		973	CFPlus::Layout
		974	new (SV *class)
		975	CODE:
		976	New (0, RETVAL, 1, struct cf_layout);
		977
		978	RETVAL->pl = pango_layout_new (opengl_context);
		979	RETVAL->r = 1.;
		980	RETVAL->g = 1.;
		981	RETVAL->b = 1.;
		982	RETVAL->a = 1.;
		983	RETVAL->base_height = MIN_FONT_HEIGHT;
		984	RETVAL->font = 0;
		985
		986	pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
		987	layout_update_font (RETVAL);
		988	OUTPUT:
		989	RETVAL
		990
		991	void
		992	DESTROY (CFPlus::Layout self)
		993	CODE:
		994	g_object_unref (self->pl);
		995	Safefree (self);
		996
		997	void
		998	set_text (CFPlus::Layout self, SV *text_)
		999	CODE:
		1000	{
		1001	STRLEN textlen;
		1002	char *text = SvPVutf8 (text_, textlen);
		1003
		1004	pango_layout_set_text (self->pl, text, textlen);
		1005	}
		1006
		1007	void
		1008	set_markup (CFPlus::Layout self, SV *text_)
		1009	CODE:
		1010	{
		1011	STRLEN textlen;
		1012	char *text = SvPVutf8 (text_, textlen);
		1013
		1014	pango_layout_set_markup (self->pl, text, textlen);
		1015	}
		1016
		1017	void
		1018	set_shapes (CFPlus::Layout self, ...)
		1019	CODE:
		1020	{
		1021	PangoAttrList *attrs = 0;
		1022	const char *text = pango_layout_get_text (self->pl);
		1023	const char *pos = text;
		1024	int arg = 4;
		1025
		1026	while (arg < items && (pos = strstr (pos, OBJ_STR)))
		1027	{
		1028	PangoRectangle inkrect, rect;
		1029	PangoAttribute *attr;
		1030
		1031	int x = SvIV (ST (arg - 3));
		1032	int y = SvIV (ST (arg - 2));
		1033	int w = SvIV (ST (arg - 1));
		1034	int h = SvIV (ST (arg ));
		1035
		1036	inkrect.x = 0;
		1037	inkrect.y = 0;
		1038	inkrect.width = 0;
		1039	inkrect.height = 0;
		1040
		1041	rect.x = x * PANGO_SCALE;
		1042	rect.y = y * PANGO_SCALE;
		1043	rect.width = w * PANGO_SCALE;
		1044	rect.height = h * PANGO_SCALE;
		1045
		1046	if (!attrs)
		1047	attrs = pango_layout_get_attributes (self->pl);
		1048
		1049	attr = pango_attr_shape_new (&inkrect, &rect);
		1050	attr->start_index = pos - text;
		1051	attr->end_index = attr->start_index + sizeof (OBJ_STR) - 1;
		1052	pango_attr_list_insert (attrs, attr);
		1053
		1054	arg += 4;
		1055	pos += sizeof (OBJ_STR) - 1;
		1056	}
		1057
		1058	if (attrs)
		1059	pango_layout_set_attributes (self->pl, attrs);
		1060	}
		1061
		1062	void
		1063	get_shapes (CFPlus::Layout self)
		1064	PPCODE:
		1065	{
		1066	PangoLayoutIter *iter = pango_layout_get_iter (self->pl);
		1067
		1068	do
		1069	{
		1070	PangoLayoutRun *run = pango_layout_iter_get_run (iter);
		1071
		1072	if (run && shape_attr_p (run))
		1073	{
		1074	PangoRectangle extents;
		1075	pango_layout_iter_get_run_extents (iter, 0, &extents);
		1076
		1077	EXTEND (SP, 2);
		1078	PUSHs (sv_2mortal (newSViv (PANGO_PIXELS (extents.x))));
		1079	PUSHs (sv_2mortal (newSViv (PANGO_PIXELS (extents.y))));
		1080	}
		1081	}
		1082	while (pango_layout_iter_next_run (iter));
		1083
		1084	pango_layout_iter_free (iter);
		1085	}
		1086
		1087	int
		1088	has_wrapped (CFPlus::Layout self)
		1089	CODE:
		1090	{
		1091	int lines = 1;
		1092	const char *text = pango_layout_get_text (self->pl);
		1093
		1094	while (*text)
		1095	lines += *text++ == '\n';
		1096
		1097	RETVAL = lines < pango_layout_get_line_count (self->pl);
		1098	}
		1099	OUTPUT:
		1100	RETVAL
		1101
		1102	SV *
		1103	get_text (CFPlus::Layout self)
		1104	CODE:
		1105	RETVAL = newSVpv (pango_layout_get_text (self->pl), 0);
		1106	sv_utf8_decode (RETVAL);
		1107	OUTPUT:
		1108	RETVAL
		1109
		1110	void
		1111	set_foreground (CFPlus::Layout self, float r, float g, float b, float a = 1.)
		1112	CODE:
		1113	self->r = r;
		1114	self->g = g;
		1115	self->b = b;
		1116	self->a = a;
		1117
		1118	void
		1119	set_font (CFPlus::Layout self, CFPlus::Font font = 0)
		1120	CODE:
		1121	if (self->font != font)
		1122	{
		1123	self->font = font;
		1124	layout_update_font (self);
		1125	}
		1126
		1127	void
		1128	set_height (CFPlus::Layout self, int base_height)
		1129	CODE:
		1130	if (self->base_height != base_height)
		1131	{
		1132	self->base_height = base_height;
		1133	layout_update_font (self);
		1134	}
		1135
		1136	void
		1137	set_width (CFPlus::Layout self, int max_width = -1)
		1138	CODE:
		1139	pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
		1140
		1141	void
		1142	set_indent (CFPlus::Layout self, int indent)
		1143	CODE:
		1144	pango_layout_set_indent (self->pl, indent * PANGO_SCALE);
		1145
		1146	void
		1147	set_spacing (CFPlus::Layout self, int spacing)
		1148	CODE:
		1149	pango_layout_set_spacing (self->pl, spacing * PANGO_SCALE);
		1150
		1151	void
		1152	set_ellipsise (CFPlus::Layout self, int ellipsise)
		1153	CODE:
		1154	pango_layout_set_ellipsize (self->pl,
		1155	ellipsise == 1 ? PANGO_ELLIPSIZE_START
		1156	: ellipsise == 2 ? PANGO_ELLIPSIZE_MIDDLE
		1157	: ellipsise == 3 ? PANGO_ELLIPSIZE_END
		1158	: PANGO_ELLIPSIZE_NONE
		1159	);
		1160
		1161	void
		1162	set_single_paragraph_mode (CFPlus::Layout self, int spm)
		1163	CODE:
		1164	pango_layout_set_single_paragraph_mode (self->pl, !!spm);
		1165
		1166	void
		1167	size (CFPlus::Layout self)
		1168	PPCODE:
		1169	{
		1170	int w, h;
		1171
		1172	layout_get_pixel_size (self, &w, &h);
		1173
		1174	EXTEND (SP, 2);
		1175	PUSHs (sv_2mortal (newSViv (w)));
		1176	PUSHs (sv_2mortal (newSViv (h)));
		1177	}
		1178
		1179	int
		1180	descent (CFPlus::Layout self)
		1181	CODE:
		1182	{
		1183	PangoRectangle rect;
		1184	PangoLayoutLine *line = pango_layout_get_line (self->pl, 0);
		1185	pango_layout_line_get_pixel_extents (line, 0, &rect);
		1186	RETVAL = PANGO_DESCENT (rect);
		1187	}
		1188	OUTPUT:
		1189	RETVAL
		1190
		1191	int
		1192	xy_to_index (CFPlus::Layout self, int x, int y)
		1193	CODE:
		1194	{
		1195	int index, trailing;
		1196	pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);
		1197	RETVAL = index + trailing;
		1198	}
		1199	OUTPUT:
		1200	RETVAL
		1201
		1202	void
		1203	cursor_pos (CFPlus::Layout self, int index)
		1204	PPCODE:
		1205	{
		1206	PangoRectangle strong_pos;
		1207	pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
		1208
		1209	EXTEND (SP, 3);
		1210	PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE)));
		1211	PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE)));
		1212	PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
		1213	}
		1214
		1215	void
		1216	index_to_line_x (CFPlus::Layout self, int index, int trailing = 0)
		1217	PPCODE:
		1218	{
		1219	int line, x;
		1220
		1221	pango_layout_index_to_line_x (self->pl, index, trailing, &line, &x);
		1222	/* pango bug: line is between 1..numlines, not 0..numlines-1 */
		1223
		1224	EXTEND (SP, 2);
		1225	PUSHs (sv_2mortal (newSViv (line - 1)));
		1226	PUSHs (sv_2mortal (newSViv (x / PANGO_SCALE)));
		1227	}
		1228
		1229	void
		1230	line_x_to_index (CFPlus::Layout self, int line, int x)
		1231	PPCODE:
		1232	{
		1233	PangoLayoutLine *lp;
		1234	int index, trailing;
		1235
		1236	if (line < 0)
		1237	XSRETURN_EMPTY;
		1238
		1239	if (!(lp = pango_layout_get_line (self->pl, line)))
		1240	XSRETURN_EMPTY; /* do better */
		1241
		1242	pango_layout_line_x_to_index (lp, x * PANGO_SCALE, &index, &trailing);
		1243
		1244	EXTEND (SP, 2);
		1245	if (GIMME_V == G_SCALAR)
		1246	PUSHs (sv_2mortal (newSViv (index + trailing)));
		1247	else
		1248	{
		1249	PUSHs (sv_2mortal (newSViv (index)));
		1250	PUSHs (sv_2mortal (newSViv (trailing)));
		1251	}
		1252	}
		1253
		1254	void
		1255	render (CFPlus::Layout self, float x, float y, int flags = 0)
		1256	PPCODE:
		1257	pango_opengl_render_layout_subpixel (
		1258	self->pl,
		1259	x * PANGO_SCALE, y * PANGO_SCALE,
		1260	self->r, self->g, self->b, self->a,
		1261	flags
		1262	);
		1263
		1264	MODULE = CFPlus PACKAGE = CFPlus::Texture
		1265
		1266	PROTOTYPES: ENABLE
		1267
		1268	int minpot (int n)
		1269
		1270	void
		1271	pad (SV *data_, int ow, int oh, int nw, int nh)
		1272	CODE:
		1273	{
		1274	if ((nw != ow || nh != oh) && SvOK (data_))
		1275	{
		1276	STRLEN datalen;
		1277	char *data = SvPVbyte (data_, datalen);
		1278	int bpp = datalen / (ow * oh);
		1279	SV *result_ = sv_2mortal (newSV (nw * nh * bpp));
		1280
		1281	SvPOK_only (result_);
		1282	SvCUR_set (result_, nw * nh * bpp);
		1283
		1284	memset (SvPVX (result_), 0, nw * nh * bpp);
		1285	while (oh--)
		1286	memcpy (SvPVX (result_) + oh * nw * bpp, data + oh * ow * bpp, ow * bpp);
		1287
		1288	sv_setsv (data_, result_);
		1289	}
		1290	}
		1291
		1292	void
		1293	draw_quad (SV *self, float x, float y, float w = 0., float h = 0.)
		1294	PROTOTYPE: $$$;$$
		1295	ALIAS:
		1296	draw_quad_alpha = 1
		1297	draw_quad_alpha_premultiplied = 2
		1298	CODE:
		1299	{
		1300	HV *hv = (HV *)SvRV (self);
		1301	float s = SvNV (*hv_fetch (hv, "s", 1, 1));
		1302	float t = SvNV (*hv_fetch (hv, "t", 1, 1));
		1303	int name = SvIV (*hv_fetch (hv, "name", 4, 1));
		1304
		1305	if (items < 5)
		1306	{
		1307	w = SvNV (*hv_fetch (hv, "w", 1, 1));
		1308	h = SvNV (*hv_fetch (hv, "h", 1, 1));
		1309	}
		1310
		1311	if (ix)
		1312	{
		1313	glEnable (GL_BLEND);
		1314
		1315	if (ix == 2)
		1316	glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
		1317	else
		1318	gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
		1319	GL_ONE , GL_ONE_MINUS_SRC_ALPHA);
		1320
		1321	glEnable (GL_ALPHA_TEST);
		1322	glAlphaFunc (GL_GREATER, 0.01f);
		1323	}
		1324
		1325	glBindTexture (GL_TEXTURE_2D, name);
		1326
		1327	glBegin (GL_QUADS);
		1328	glTexCoord2f (0, 0); glVertex2f (x , y );
		1329	glTexCoord2f (0, t); glVertex2f (x , y + h);
		1330	glTexCoord2f (s, t); glVertex2f (x + w, y + h);
		1331	glTexCoord2f (s, 0); glVertex2f (x + w, y );
		1332	glEnd ();
		1333
		1334	if (ix)
		1335	{
		1336	glDisable (GL_ALPHA_TEST);
		1337	glDisable (GL_BLEND);
		1338	}
		1339	}
		1340
		1341	IV texture_valid_2d (GLint internalformat, GLsizei w, GLsizei h, GLenum format, GLenum type)
		1342	CODE:
		1343	{
		1344	GLint width;
		1345	glTexImage2D (GL_PROXY_TEXTURE_2D, 0, internalformat, w, h, 0, format, type, 0);
		1346	glGetTexLevelParameteriv (GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
		1347	RETVAL = width > 0;
		1348	}
		1349	OUTPUT:
		1350	RETVAL
		1351
		1352	MODULE = CFPlus PACKAGE = CFPlus::Map
		1353
		1354	PROTOTYPES: DISABLE
		1355
		1356	CFPlus::Map
		1357	new (SV *class)
		1358	CODE:
		1359	New (0, RETVAL, 1, struct map);
		1360	RETVAL->x = 0;
		1361	RETVAL->y = 0;
		1362	RETVAL->w = 0;
		1363	RETVAL->h = 0;
		1364	RETVAL->ox = 0;
		1365	RETVAL->oy = 0;
		1366	RETVAL->faces = 8192; Newz (0, RETVAL->face2tile, RETVAL->faces, tileid);
		1367	RETVAL->texs = 8192; Newz (0, RETVAL->tex , RETVAL->texs , maptex);
		1368	RETVAL->rows = 0;
		1369	RETVAL->row = 0;
		1370	OUTPUT:
		1371	RETVAL
		1372
		1373	void
		1374	DESTROY (CFPlus::Map self)
		1375	CODE:
		1376	{
		1377	map_clear (self);
		1378	Safefree (self->face2tile);
		1379	Safefree (self->tex);
		1380	Safefree (self);
		1381	}
		1382
		1383	void
		1384	resize (CFPlus::Map self, int map_width, int map_height)
		1385	CODE:
		1386	self->w = map_width;
		1387	self->h = map_height;
		1388
		1389	void
		1390	clear (CFPlus::Map self)
		1391	CODE:
		1392	map_clear (self);
		1393
		1394	void
		1395	set_tileid (CFPlus::Map self, int face, int tile)
		1396	CODE:
		1397	{
		1398	need_facenum (self, face); self->face2tile [face] = tile;
		1399	need_texid (self, tile);
		1400	}
		1401
		1402	void
		1403	set_smooth (CFPlus::Map self, int face, int smooth, int level)
		1404	CODE:
		1405	{
		1406	tileid texid;
		1407	maptex *tex;
		1408
		1409	if (face < 0 || face >= self->faces)
		1410	return;
		1411
		1412	if (smooth < 0 || smooth >= self->faces)
		1413	return;
		1414
		1415	texid = self->face2tile [face];
		1416
		1417	if (!texid)
		1418	return;
		1419
		1420	tex = self->tex + texid;
		1421	tex->smoothtile = self->face2tile [smooth];
		1422	tex->smoothlevel = level;
		1423	}
		1424
		1425	void
		1426	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)
		1427	CODE:
		1428	{
		1429	need_texid (self, texid);
		1430
		1431	{
		1432	maptex *tex = self->tex + texid;
		1433
		1434	tex->name = name;
		1435	tex->w = w;
		1436	tex->h = h;
		1437	tex->s = s;
		1438	tex->t = t;
		1439	tex->r = r;
		1440	tex->g = g;
		1441	tex->b = b;
		1442	tex->a = a;
		1443	}
		1444
		1445	// somewhat hackish, but for textures that require it, it really
		1446	// improves the look, and most others don't suffer.
		1447	glBindTexture (GL_TEXTURE_2D, name);
		1448	//glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
		1449	//glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
		1450	// use uglier nearest interpolation because linear suffers
		1451	// from transparent color bleeding and ugly wrapping effects.
		1452	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
		1453	}
		1454
		1455	int
		1456	ox (CFPlus::Map self)
		1457	ALIAS:
		1458	oy = 1
		1459	x = 2
		1460	y = 3
		1461	w = 4
		1462	h = 5
		1463	CODE:
		1464	switch (ix)
		1465	{
		1466	case 0: RETVAL = self->ox; break;
		1467	case 1: RETVAL = self->oy; break;
		1468	case 2: RETVAL = self->x; break;
		1469	case 3: RETVAL = self->y; break;
		1470	case 4: RETVAL = self->w; break;
		1471	case 5: RETVAL = self->h; break;
		1472	}
		1473	OUTPUT:
		1474	RETVAL
		1475
		1476	void
		1477	scroll (CFPlus::Map self, int dx, int dy)
		1478	CODE:
		1479	{
		1480	if (dx > 0)
		1481	map_blank (self, self->x, self->y, dx, self->h);
		1482	else if (dx < 0)
		1483	map_blank (self, self->x + self->w + dx, self->y, -dx, self->h);
		1484
		1485	if (dy > 0)
		1486	map_blank (self, self->x, self->y, self->w, dy);
		1487	else if (dy < 0)
		1488	map_blank (self, self->x, self->y + self->h + dy, self->w, -dy);
		1489
		1490	self->ox += dx; self->x += dx;
		1491	self->oy += dy; self->y += dy;
		1492
		1493	while (self->y < 0)
		1494	{
		1495	Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
		1496
		1497	self->rows += MAP_EXTEND_Y;
		1498	self->y += MAP_EXTEND_Y;
		1499	}
		1500	}
		1501
		1502	void
		1503	map1a_update (CFPlus::Map self, SV *data_, int extmap)
		1504	CODE:
		1505	{
		1506	uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);
		1507	uint8_t *data_end = (uint8_t *)SvEND (data_);
		1508	mapcell *cell;
		1509	int x, y, flags;
		1510
		1511	while (data < data_end - 1)
		1512	{
		1513	flags = (data [0] << 8) + data [1]; data += 2;
		1514
		1515	x = self->x + ((flags >> 10) & 63);
		1516	y = self->y + ((flags >> 4) & 63);
		1517
		1518	cell = map_get_cell (self, x, y);
		1519
		1520	if (flags & 15)
		1521	{
		1522	if (!cell->darkness)
		1523	{
		1524	memset (cell, 0, sizeof (*cell));
		1525	cell->darkness = 256;
		1526	}
		1527
		1528	//TODO: don't trust server data to be in-range(!)
		1529
		1530	if (flags & 8)
		1531	{
		1532	if (extmap)
		1533	{
		1534	uint8_t ext, cmd;
		1535
		1536	do
		1537	{
		1538	ext = *data++;
		1539	cmd = ext & 0x3f;
		1540
		1541	if (cmd < 4)
		1542	cell->darkness = 255 - ext * 64 + 1;
		1543	else if (cmd == 5) // health
		1544	{
		1545	cell->stat_width = 1;
		1546	cell->stat_hp = *data++;
		1547	}
		1548	else if (cmd == 6) // monster width
		1549	cell->stat_width = *data++ + 1;
		1550	else if (cmd == 0x47)
		1551	{
		1552	if (*data == 4)
		1553	; // decode player count
		1554
		1555	data += *data + 1;
		1556	}
		1557	else if (cmd == 8) // cell flags
		1558	cell->flags = *data++;
		1559	else if (ext & 0x40) // unknown, multibyte => skip
		1560	data += *data + 1;
		1561	else
		1562	data++;
		1563	}
		1564	while (ext & 0x80);
		1565	}
		1566	else
		1567	cell->darkness = *data++ + 1;
		1568	}
		1569
		1570	if (flags & 4)
		1571	{
		1572	faceid face = (data [0] << 8) + data [1]; data += 2;
		1573	need_facenum (self, face);
		1574	cell->tile [0] = self->face2tile [face];
		1575	}
		1576
		1577	if (flags & 2)
		1578	{
		1579	faceid face = (data [0] << 8) + data [1]; data += 2;
		1580	need_facenum (self, face);
		1581	cell->tile [1] = self->face2tile [face];
		1582	}
		1583
		1584	if (flags & 1)
		1585	{
		1586	faceid face = (data [0] << 8) + data [1]; data += 2;
		1587	need_facenum (self, face);
		1588	cell->tile [2] = self->face2tile [face];
		1589	}
		1590	}
		1591	else
		1592	cell->darkness = 0;
		1593	}
		1594	}
		1595
		1596	SV *
		1597	mapmap (CFPlus::Map self, int x0, int y0, int w, int h)
		1598	CODE:
		1599	{
		1600	int x1, x;
		1601	int y1, y;
		1602	int z;
		1603	SV *map_sv = newSV (w * h * sizeof (uint32_t));
		1604	uint32_t *map = (uint32_t *)SvPVX (map_sv);
		1605
		1606	SvPOK_only (map_sv);
		1607	SvCUR_set (map_sv, w * h * sizeof (uint32_t));
		1608
		1609	x0 += self->x; x1 = x0 + w;
		1610	y0 += self->y; y1 = y0 + h;
		1611
		1612	for (y = y0; y < y1; y++)
		1613	{
		1614	maprow *row = 0 <= y && y < self->rows
		1615	? self->row + y
		1616	: 0;
		1617
		1618	for (x = x0; x < x1; x++)
		1619	{
		1620	int r = 32, g = 32, b = 32, a = 192;
		1621
		1622	if (row && row->c0 <= x && x < row->c1)
		1623	{
		1624	mapcell *cell = row->col + (x - row->c0);
		1625
		1626	for (z = 0; z <= 0; z++)
		1627	{
		1628	maptex tex = self->tex [cell->tile [z]];
		1629	int a0 = 255 - tex.a;
		1630	int a1 = tex.a;
		1631
		1632	r = (r * a0 + tex.r * a1) / 255;
		1633	g = (g * a0 + tex.g * a1) / 255;
		1634	b = (b * a0 + tex.b * a1) / 255;
		1635	a = (a * a0 + tex.a * a1) / 255;
		1636	}
		1637	}
		1638
		1639	*map++ = (r )
		1640	| (g << 8)
		1641	| (b << 16)
		1642	| (a << 24);
		1643	}
		1644	}
		1645
		1646	RETVAL = map_sv;
		1647	}
		1648	OUTPUT:
		1649	RETVAL
		1650
		1651	void
		1652	draw (CFPlus::Map self, int mx, int my, int sw, int sh, int T)
		1653	CODE:
		1654	{
		1655	HV *smooth = (HV *)sv_2mortal ((SV *)newHV ());
		1656	uint32_t smooth_level[256 / 32]; // one bit for every possible smooth level
		1657	static uint8_t smooth_max[256][256]; // egad, fats and wasteful on memory (64k)
		1658	smooth_key skey;
		1659	int x, y, z;
		1660	int last_name;
		1661
		1662	// thats current max. sorry.
		1663	if (sw > 255) sw = 255;
		1664	if (sh > 255) sh = 255;
		1665
		1666	// clear key, in case of extra padding
		1667	memset (&skey, 0, sizeof (skey));
		1668
		1669	glColor4ub (255, 255, 255, 255);
		1670
		1671	glEnable (GL_BLEND);
		1672	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		1673	glEnable (GL_TEXTURE_2D);
		1674	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
		1675
		1676	glBegin (GL_QUADS);
		1677
		1678	last_name = 0;
		1679
		1680	mx += self->x;
		1681	my += self->y;
		1682
		1683	// first pass: determine smooth_max
		1684	// rather ugly, if you ask me
		1685	// could also be stored inside mapcell and updated on change
		1686	memset (smooth_max, 0, sizeof (smooth_max));
		1687
		1688	for (y = 0; y < sh; y++)
		1689	if (0 <= y + my && y + my < self->rows)
		1690	{
		1691	maprow *row = self->row + (y + my);
		1692
		1693	for (x = 0; x < sw; x++)
		1694	if (row->c0 <= x + mx && x + mx < row->c1)
		1695	{
		1696	mapcell *cell = row->col + (x + mx - row->c0);
		1697
		1698	smooth_max[x + 1][y + 1] =
		1699	MAX (self->tex [cell->tile [0]].smoothlevel,
		1700	MAX (self->tex [cell->tile [1]].smoothlevel,
		1701	self->tex [cell->tile [2]].smoothlevel));
		1702	}
		1703	}
		1704
		1705	for (z = 0; z <= 2; z++)
		1706	{
		1707	memset (smooth_level, 0, sizeof (smooth_level));
		1708
		1709	for (y = 0; y < sh; y++)
		1710	if (0 <= y + my && y + my < self->rows)
		1711	{
		1712	maprow *row = self->row + (y + my);
		1713
		1714	for (x = 0; x < sw; x++)
		1715	if (row->c0 <= x + mx && x + mx < row->c1)
		1716	{
		1717	mapcell *cell = row->col + (x + mx - row->c0);
		1718	tileid tile = cell->tile [z];
		1719
		1720	if (tile)
		1721	{
		1722	maptex tex = self->tex [tile];
		1723	int px = (x + 1) * T - tex.w;
		1724	int py = (y + 1) * T - tex.h;
		1725
		1726	// suppressing texture state switches here
		1727	// is only moderately effective, but worth the extra effort
		1728	if (last_name != tex.name)
		1729	{
		1730	if (!tex.name)
		1731	tex = self->tex [2]; /* missing, replace by noface */
		1732
		1733	glEnd ();
		1734	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
		1735	glBegin (GL_QUADS);
		1736	}
		1737
		1738	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
		1739	glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);
		1740	glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
		1741	glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );
		1742
		1743	if (cell->flags && z == 2)
		1744	{
		1745	if (cell->flags & 1)
		1746	{
		1747	maptex tex = self->tex [1];
		1748	int px = x * T + T * 2 / 32;
		1749	int py = y * T - T * 6 / 32;
		1750
		1751	glEnd ();
		1752	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
		1753	glBegin (GL_QUADS);
		1754
		1755	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
		1756	glTexCoord2f (0 , tex.t); glVertex2f (px , py + T);
		1757	glTexCoord2f (tex.s, tex.t); glVertex2f (px + T, py + T);
		1758	glTexCoord2f (tex.s, 0 ); glVertex2f (px + T, py );
		1759	}
		1760	}
		1761
		1762	// update smooth hash
		1763	if (tex.smoothtile)
		1764	{
		1765	skey.tile = tex.smoothtile;
		1766	skey.level = tex.smoothlevel;
		1767
		1768	smooth_level [tex.smoothlevel >> 5] |= ((uint32_t)1) << (tex.smoothlevel & 31);
		1769
		1770	// add bits to current tile and all neighbours. skey.x|y is
		1771	// shifted +1|+1 so we always stay positive.
		1772
		1773	// bits is ___n cccc CCCC bbbb
		1774	// n do not draw borders&corners
		1775	// c draw these corners, but...
		1776	// C ... not these
		1777	// b draw these borders
		1778
		1779	// borders: 1 ┃· 2 ━━ 4 ·┃ 8 ··
		1780	// ┃· ·· ·┃ ━━
		1781
		1782	// corners: 1 ┛· 2 ·┗ 4 ·· 8 ··
		1783	// ·· ·· ·┏ ┓·
		1784
		1785	// full tile
		1786	skey.x = x + 1; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x1000);
		1787
		1788	// borders
		1789	skey.x = x + 2; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0091);
		1790	skey.x = x + 1; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0032);
		1791	skey.x = x ; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0064);
		1792	skey.x = x + 1; skey.y = y ; smooth_or_bits (smooth, &skey, 0x00c8);
		1793
		1794	// corners
		1795	skey.x = x + 2; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0100);
		1796	skey.x = x ; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0200);
		1797	skey.x = x ; skey.y = y ; smooth_or_bits (smooth, &skey, 0x0400);
		1798	skey.x = x + 2; skey.y = y ; smooth_or_bits (smooth, &skey, 0x0800);
		1799	}
		1800	}
		1801	}
		1802	}
		1803
		1804	// go through all smoothlevels, lowest to highest, then draw.
		1805	// this is basically counting sort
		1806	{
		1807	int w, b;
		1808
		1809	for (w = 0; w < 256 / 32; ++w)
		1810	{
		1811	uint32_t smask = smooth_level [w];
		1812	if (smask)
		1813	for (b = 0; b < 32; ++b)
		1814	if (smask & (((uint32_t)1) << b))
		1815	{
		1816	int level = (w << 5) | b;
		1817	HE *he;
		1818
		1819	hv_iterinit (smooth);
		1820	while ((he = hv_iternext (smooth)))
		1821	{
		1822	smooth_key *skey = (smooth_key *)HeKEY (he);
		1823	IV bits = SvIVX (HeVAL (he));
		1824
		1825	if (!(bits & 0x1000)
		1826	&& skey->level == level
		1827	&& level > smooth_max [skey->x][skey->y])
		1828	{
		1829	maptex tex = self->tex [skey->tile];
		1830	int px = (((int)skey->x) - 1) * T;
		1831	int py = (((int)skey->y) - 1) * T;
		1832	int border = bits & 15;
		1833	int corner = (bits >> 8) & ~(bits >> 4) & 15;
		1834	float dx = tex.s * .0625f; // 16 images/row
		1835	float dy = tex.t * .5f ; // 2 images/column
		1836
		1837	// this time naively avoiding texture state changes
		1838	// save gobs of state changes.
		1839	if (last_name != tex.name)
		1840	{
		1841	if (!tex.name)
		1842	continue; // smoothing not yet available
		1843
		1844	glEnd ();
		1845	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
		1846	glBegin (GL_QUADS);
		1847	}
		1848
		1849	if (border)
		1850	{
		1851	float ox = border * dx;
		1852
		1853	glTexCoord2f (ox , 0.f ); glVertex2f (px , py );
		1854	glTexCoord2f (ox , dy ); glVertex2f (px , py + T);
		1855	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py + T);
		1856	glTexCoord2f (ox + dx, 0.f ); glVertex2f (px + T, py );
		1857	}
		1858
		1859	if (corner)
		1860	{
		1861	float ox = corner * dx;
		1862
		1863	glTexCoord2f (ox , dy ); glVertex2f (px , py );
		1864	glTexCoord2f (ox , dy * 2.f); glVertex2f (px , py + T);
		1865	glTexCoord2f (ox + dx, dy * 2.f); glVertex2f (px + T, py + T);
		1866	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py );
		1867	}
		1868	}
		1869	}
		1870	}
		1871	}
		1872	}
		1873
		1874	hv_clear (smooth);
		1875	}
		1876
		1877	glEnd ();
		1878
		1879	glDisable (GL_TEXTURE_2D);
		1880	glDisable (GL_BLEND);
		1881
		1882	// top layer: overlays such as the health bar
		1883	for (y = 0; y < sh; y++)
		1884	if (0 <= y + my && y + my < self->rows)
		1885	{
		1886	maprow *row = self->row + (y + my);
		1887
		1888	for (x = 0; x < sw; x++)
		1889	if (row->c0 <= x + mx && x + mx < row->c1)
		1890	{
		1891	mapcell *cell = row->col + (x + mx - row->c0);
		1892
		1893	int px = x * T;
		1894	int py = y * T;
		1895
		1896	if (cell->stat_hp)
		1897	{
		1898	int width = cell->stat_width * T;
		1899	int thick = (sh * T / 32 + 27) / 28 + 1 + cell->stat_width;
		1900
		1901	glColor3ub (0, 0, 0);
		1902	glRectf (px + 1, py - thick - 2,
		1903	px + width - 1, py);
		1904
		1905	glColor3ub (cell->stat_hp, 255 - cell->stat_hp, 0);
		1906	glRectf (px + 2,
		1907	py - thick - 1,
		1908	px + width - 2 - cell->stat_hp * (width - 4) / 255, py - 1);
		1909	}
		1910	}
		1911	}
		1912	}
		1913
		1914	void
		1915	draw_magicmap (CFPlus::Map self, int dx, int dy, int w, int h, unsigned char *data)
		1916	CODE:
		1917	{
		1918	static float color[16][3] = {
		1919	{ 0.00F, 0.00F, 0.00F },
		1920	{ 1.00F, 1.00F, 1.00F },
		1921	{ 0.00F, 0.00F, 0.55F },
		1922	{ 1.00F, 0.00F, 0.00F },
		1923
		1924	{ 1.00F, 0.54F, 0.00F },
		1925	{ 0.11F, 0.56F, 1.00F },
		1926	{ 0.93F, 0.46F, 0.00F },
		1927	{ 0.18F, 0.54F, 0.34F },
		1928
		1929	{ 0.56F, 0.73F, 0.56F },
		1930	{ 0.80F, 0.80F, 0.80F },
		1931	{ 0.55F, 0.41F, 0.13F },
		1932	{ 0.99F, 0.77F, 0.26F },
		1933
		1934	{ 0.74F, 0.65F, 0.41F },
		1935
		1936	{ 0.00F, 1.00F, 1.00F },
		1937	{ 1.00F, 0.00F, 1.00F },
		1938	{ 1.00F, 1.00F, 0.00F },
		1939	};
		1940
		1941	int x, y;
		1942
		1943	glEnable (GL_TEXTURE_2D);
		1944	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
		1945	glEnable (GL_BLEND);
		1946	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		1947	glBegin (GL_QUADS);
		1948
		1949	for (y = 0; y < h; y++)
		1950	for (x = 0; x < w; x++)
		1951	{
		1952	unsigned char m = data [x + y * w];
		1953
		1954	if (m)
		1955	{
		1956	float *c = color [m & 15];
		1957
		1958	float tx1 = m & 0x40 ? 0.5 : 0.;
		1959	float tx2 = tx1 + 0.5;
		1960
		1961	glColor4f (c[0], c[1], c[2], 0.75);
		1962	glTexCoord2f (tx1, 0.); glVertex2i (x , y );
		1963	glTexCoord2f (tx1, 1.); glVertex2i (x , y + 1);
		1964	glTexCoord2f (tx2, 1.); glVertex2i (x + 1, y + 1);
		1965	glTexCoord2f (tx2, 0.); glVertex2i (x + 1, y );
		1966	}
		1967	}
		1968
		1969	glEnd ();
		1970	glDisable (GL_BLEND);
		1971	glDisable (GL_TEXTURE_2D);
		1972	}
		1973
		1974	void
		1975	fow_texture (CFPlus::Map self, int mx, int my, int sw, int sh)
		1976	PPCODE:
		1977	{
		1978	int x, y;
		1979	int sw1 = sw + 2;
		1980	int sh1 = sh + 2;
		1981	int sh3 = sh * 3;
		1982	int sw34 = (sw * 3 + 3) & ~3;
		1983	uint8_t *darkness1 = (uint8_t *)malloc (sw1 * sh1);
		1984	SV *darkness3_sv = sv_2mortal (newSV (sw34 * sh3));
		1985	uint8_t *darkness3 = (uint8_t *)SvPVX (darkness3_sv);
		1986
		1987	SvPOK_only (darkness3_sv);
		1988	SvCUR_set (darkness3_sv, sw34 * sh3);
		1989
		1990	mx += self->x - 1;
		1991	my += self->y - 1;
		1992
		1993	memset (darkness1, 255, sw1 * sh1);
		1994
		1995	for (y = 0; y < sh1; y++)
		1996	if (0 <= y + my && y + my < self->rows)
		1997	{
		1998	maprow *row = self->row + (y + my);
		1999
		2000	for (x = 0; x < sw1; x++)
		2001	if (row->c0 <= x + mx && x + mx < row->c1)
		2002	{
		2003	mapcell *cell = row->col + (x + mx - row->c0);
		2004
		2005	darkness1 [y * sw1 + x] = cell->darkness
		2006	? 255 - (cell->darkness - 1)
		2007	: 255 - FOW_DARKNESS;
		2008	}
		2009	}
		2010
		2011	for (y = 0; y < sh; ++y)
		2012	for (x = 0; x < sw; ++x)
		2013	{
		2014	uint8_t d11 = darkness1 [(y ) * sw1 + x ];
		2015	uint8_t d21 = darkness1 [(y ) * sw1 + x + 1];
		2016	uint8_t d31 = darkness1 [(y ) * sw1 + x + 2];
		2017	uint8_t d12 = darkness1 [(y + 1) * sw1 + x ];
		2018	uint8_t d22 = darkness1 [(y + 1) * sw1 + x + 1];
		2019	uint8_t d32 = darkness1 [(y + 1) * sw1 + x + 2];
		2020	uint8_t d13 = darkness1 [(y + 2) * sw1 + x ];
		2021	uint8_t d23 = darkness1 [(y + 2) * sw1 + x + 1];
		2022	uint8_t d33 = darkness1 [(y + 2) * sw1 + x + 2];
		2023
		2024	uint8_t r11 = (d11 + d21 + d12) / 3;
		2025	uint8_t r21 = d21;
		2026	uint8_t r31 = (d21 + d31 + d32) / 3;
		2027
		2028	uint8_t r12 = d12;
		2029	uint8_t r22 = d22;
		2030	uint8_t r32 = d32;
		2031
		2032	uint8_t r13 = (d13 + d23 + d12) / 3;
		2033	uint8_t r23 = d23;
		2034	uint8_t r33 = (d23 + d33 + d32) / 3;
		2035
		2036	darkness3 [(y * 3 ) * sw34 + (x * 3 )] = MAX (d22, r11);
		2037	darkness3 [(y * 3 ) * sw34 + (x * 3 + 1)] = MAX (d22, r21);
		2038	darkness3 [(y * 3 ) * sw34 + (x * 3 + 2)] = MAX (d22, r31);
		2039	darkness3 [(y * 3 + 1) * sw34 + (x * 3 )] = MAX (d22, r12);
		2040	darkness3 [(y * 3 + 1) * sw34 + (x * 3 + 1)] = MAX (d22, r22);
		2041	darkness3 [(y * 3 + 1) * sw34 + (x * 3 + 2)] = MAX (d22, r32);
		2042	darkness3 [(y * 3 + 2) * sw34 + (x * 3 )] = MAX (d22, r13);
		2043	darkness3 [(y * 3 + 2) * sw34 + (x * 3 + 1)] = MAX (d22, r23);
		2044	darkness3 [(y * 3 + 2) * sw34 + (x * 3 + 2)] = MAX (d22, r33);
		2045	}
		2046
		2047	free (darkness1);
		2048
		2049	EXTEND (SP, 3);
		2050	PUSHs (sv_2mortal (newSViv (sw34)));
		2051	PUSHs (sv_2mortal (newSViv (sh3)));
		2052	PUSHs (darkness3_sv);
		2053	}
		2054
		2055	SV *
		2056	get_rect (CFPlus::Map self, int x0, int y0, int w, int h)
		2057	CODE:
		2058	{
		2059	int x, y, x1, y1;
		2060	SV *data_sv = newSV (w * h * 7 + 5);
		2061	uint8_t *data = (uint8_t *)SvPVX (data_sv);
		2062
		2063	*data++ = 0; /* version 0 format */
		2064	*data++ = w >> 8; *data++ = w;
		2065	*data++ = h >> 8; *data++ = h;
		2066
		2067	// we need to do this 'cause we don't keep an absolute coord system for rows
		2068	// TODO: treat rows as we treat columns
		2069	map_get_row (self, y0 + self->y - self->oy);//D
		2070	map_get_row (self, y0 + self->y - self->oy + h - 1);//D
		2071
		2072	x0 += self->x - self->ox;
		2073	y0 += self->y - self->oy;
		2074
		2075	x1 = x0 + w;
		2076	y1 = y0 + h;
		2077
		2078	for (y = y0; y < y1; y++)
		2079	{
		2080	maprow *row = 0 <= y && y < self->rows
		2081	? self->row + y
		2082	: 0;
		2083
		2084	for (x = x0; x < x1; x++)
		2085	{
		2086	if (row && row->c0 <= x && x < row->c1)
		2087	{
		2088	mapcell *cell = row->col + (x - row->c0);
		2089	uint8_t flags = 0;
		2090
		2091	if (cell->tile [0]) flags |= 1;
		2092	if (cell->tile [1]) flags |= 2;
		2093	if (cell->tile [2]) flags |= 4;
		2094
		2095	*data++ = flags;
		2096
		2097	if (flags & 1)
		2098	{
		2099	tileid tile = cell->tile [0];
		2100	*data++ = tile >> 8;
		2101	*data++ = tile;
		2102	}
		2103
		2104	if (flags & 2)
		2105	{
		2106	tileid tile = cell->tile [1];
		2107	*data++ = tile >> 8;
		2108	*data++ = tile;
		2109	}
		2110
		2111	if (flags & 4)
		2112	{
		2113	tileid tile = cell->tile [2];
		2114	*data++ = tile >> 8;
		2115	*data++ = tile;
		2116	}
		2117	}
		2118	else
		2119	*data++ = 0;
		2120	}
		2121	}
		2122
		2123	SvPOK_only (data_sv);
		2124	SvCUR_set (data_sv, data - (uint8_t *)SvPVX (data_sv));
		2125	RETVAL = data_sv;
		2126	}
		2127	OUTPUT:
		2128	RETVAL
		2129
		2130	void
		2131	set_rect (CFPlus::Map self, int x0, int y0, uint8_t *data)
		2132	PPCODE:
		2133	{
		2134	int x, y, z;
		2135	int w, h;
		2136	int x1, y1;
		2137
		2138	if (*data++ != 0)
		2139	return; /* version mismatch */
		2140
		2141	w = *data++ << 8; w |= *data++;
		2142	h = *data++ << 8; h |= *data++;
		2143
		2144	// we need to do this 'cause we don't keep an absolute coord system for rows
		2145	// TODO: treat rows as we treat columns
		2146	map_get_row (self, y0 + self->y - self->oy);//D
		2147	map_get_row (self, y0 + self->y - self->oy + h - 1);//D
		2148
		2149	x0 += self->x - self->ox;
		2150	y0 += self->y - self->oy;
		2151
		2152	x1 = x0 + w;
		2153	y1 = y0 + h;
		2154
		2155	for (y = y0; y < y1; y++)
		2156	{
		2157	maprow *row = map_get_row (self, y);
		2158
		2159	for (x = x0; x < x1; x++)
		2160	{
		2161	uint8_t flags = *data++;
		2162
		2163	if (flags)
		2164	{
		2165	mapcell *cell = row_get_cell (row, x);
		2166	tileid tile[3] = { 0, 0, 0 };
		2167
		2168	if (flags & 1) { tile[0] = *data++ << 8; tile[0] |= *data++; }
		2169	if (flags & 2) { tile[1] = *data++ << 8; tile[1] |= *data++; }
		2170	if (flags & 4) { tile[2] = *data++ << 8; tile[2] |= *data++; }
		2171
		2172	if (cell->darkness == 0)
		2173	{
		2174	cell->darkness = 0;
		2175
		2176	for (z = 0; z <= 2; z++)
		2177	{
		2178	tileid t = tile [z];
		2179
		2180	if (t >= self->texs || (t && !self->tex [t].name))
		2181	{
		2182	XPUSHs (sv_2mortal (newSViv (t)));
		2183	need_texid (self, t);
		2184	}
		2185
		2186	cell->tile [z] = t;
		2187	}
		2188	}
		2189	}
		2190	}
		2191	}
		2192	}
		2193
		2194	MODULE = CFPlus PACKAGE = CFPlus::MixChunk
		2195
		2196	PROTOTYPES: DISABLE
		2197
		2198	CFPlus::MixChunk
		2199	new_from_file (SV *class, char *path)
		2200	CODE:
		2201	RETVAL = Mix_LoadWAV (path);
		2202	OUTPUT:
		2203	RETVAL
		2204
		2205	void
		2206	DESTROY (CFPlus::MixChunk self)
		2207	CODE:
		2208	Mix_FreeChunk (self);
		2209
		2210	int
		2211	volume (CFPlus::MixChunk self, int volume = -1)
		2212	CODE:
		2213	RETVAL = Mix_VolumeChunk (self, volume);
		2214	OUTPUT:
		2215	RETVAL
		2216
		2217	int
		2218	play (CFPlus::MixChunk self, int channel = -1, int loops = 0, int ticks = -1)
		2219	CODE:
		2220	RETVAL = Mix_PlayChannelTimed (channel, self, loops, ticks);
		2221	OUTPUT:
		2222	RETVAL
		2223
		2224	MODULE = CFPlus PACKAGE = CFPlus::MixMusic
		2225
		2226	int
		2227	volume (int volume = -1)
		2228	PROTOTYPE: ;$
		2229	CODE:
		2230	RETVAL = Mix_VolumeMusic (volume);
		2231	OUTPUT:
		2232	RETVAL
		2233
		2234	int
		2235	fade_out (int ms)
		2236	CODE:
		2237	RETVAL = Mix_FadeOutMusic (ms);
		2238	OUTPUT:
		2239	RETVAL
		2240
		2241	CFPlus::MixMusic
		2242	new_from_file (SV *class, char *path)
		2243	CODE:
		2244	RETVAL = Mix_LoadMUS (path);
		2245	OUTPUT:
		2246	RETVAL
		2247
		2248	void
		2249	DESTROY (CFPlus::MixMusic self)
		2250	CODE:
		2251	Mix_FreeMusic (self);
		2252
		2253	int
		2254	play (CFPlus::MixMusic self, int loops = -1)
		2255	CODE:
		2256	RETVAL = Mix_PlayMusic (self, loops);
		2257	OUTPUT:
		2258	RETVAL
		2259
		2260	int
		2261	fade_in_pos (CFPlus::MixMusic self, int loops, int ms, double position)
		2262	CODE:
		2263	RETVAL = Mix_FadeInMusicPos (self, loops, ms, position);
		2264	OUTPUT:
		2265	RETVAL
		2266
		2267	MODULE = CFPlus PACKAGE = CFPlus::OpenGL
		2268
		2269	PROTOTYPES: ENABLE
		2270
		2271	BOOT:
		2272	{
		2273	HV *stash = gv_stashpv ("CFPlus::OpenGL", 1);
		2274	static const struct {
		2275	const char *name;
		2276	IV iv;
		2277	} *civ, const_iv[] = {
		2278	# define const_iv(name) { # name, (IV)name }
		2279	const_iv (GL_VENDOR),
		2280	const_iv (GL_VERSION),
		2281	const_iv (GL_EXTENSIONS),
		2282	const_iv (GL_COLOR_MATERIAL),
		2283	const_iv (GL_SMOOTH),
		2284	const_iv (GL_FLAT),
		2285	const_iv (GL_DITHER),
		2286	const_iv (GL_BLEND),
		2287	const_iv (GL_CULL_FACE),
		2288	const_iv (GL_SCISSOR_TEST),
		2289	const_iv (GL_DEPTH_TEST),
		2290	const_iv (GL_ALPHA_TEST),
		2291	const_iv (GL_NORMALIZE),
		2292	const_iv (GL_RESCALE_NORMAL),
		2293	const_iv (GL_FRONT),
		2294	const_iv (GL_BACK),
		2295	const_iv (GL_AND),
		2296	const_iv (GL_ONE),
		2297	const_iv (GL_ZERO),
		2298	const_iv (GL_SRC_ALPHA),
		2299	const_iv (GL_DST_ALPHA),
		2300	const_iv (GL_ONE_MINUS_SRC_ALPHA),
		2301	const_iv (GL_ONE_MINUS_DST_ALPHA),
		2302	const_iv (GL_SRC_ALPHA_SATURATE),
		2303	const_iv (GL_RGB),
		2304	const_iv (GL_RGBA),
		2305	const_iv (GL_RGBA4),
		2306	const_iv (GL_RGBA8),
		2307	const_iv (GL_RGB5_A1),
		2308	const_iv (GL_UNSIGNED_BYTE),
		2309	const_iv (GL_UNSIGNED_SHORT),
		2310	const_iv (GL_UNSIGNED_INT),
		2311	const_iv (GL_ALPHA),
		2312	const_iv (GL_INTENSITY),
		2313	const_iv (GL_LUMINANCE),
		2314	const_iv (GL_LUMINANCE_ALPHA),
		2315	const_iv (GL_FLOAT),
		2316	const_iv (GL_UNSIGNED_INT_8_8_8_8_REV),
		2317	const_iv (GL_COMPILE),
		2318	const_iv (GL_PROXY_TEXTURE_1D),
		2319	const_iv (GL_PROXY_TEXTURE_2D),
		2320	const_iv (GL_TEXTURE_1D),
		2321	const_iv (GL_TEXTURE_2D),
		2322	const_iv (GL_TEXTURE_ENV),
		2323	const_iv (GL_TEXTURE_MAG_FILTER),
		2324	const_iv (GL_TEXTURE_MIN_FILTER),
		2325	const_iv (GL_TEXTURE_ENV_MODE),
		2326	const_iv (GL_TEXTURE_WRAP_S),
		2327	const_iv (GL_TEXTURE_WRAP_T),
		2328	const_iv (GL_REPEAT),
		2329	const_iv (GL_CLAMP),
		2330	const_iv (GL_CLAMP_TO_EDGE),
		2331	const_iv (GL_NEAREST),
		2332	const_iv (GL_LINEAR),
		2333	const_iv (GL_NEAREST_MIPMAP_NEAREST),
		2334	const_iv (GL_LINEAR_MIPMAP_NEAREST),
		2335	const_iv (GL_NEAREST_MIPMAP_LINEAR),
		2336	const_iv (GL_LINEAR_MIPMAP_LINEAR),
		2337	const_iv (GL_GENERATE_MIPMAP),
		2338	const_iv (GL_MODULATE),
		2339	const_iv (GL_DECAL),
		2340	const_iv (GL_REPLACE),
		2341	const_iv (GL_DEPTH_BUFFER_BIT),
		2342	const_iv (GL_COLOR_BUFFER_BIT),
		2343	const_iv (GL_PROJECTION),
		2344	const_iv (GL_MODELVIEW),
		2345	const_iv (GL_COLOR_LOGIC_OP),
		2346	const_iv (GL_SEPARABLE_2D),
		2347	const_iv (GL_CONVOLUTION_2D),
		2348	const_iv (GL_CONVOLUTION_BORDER_MODE),
		2349	const_iv (GL_CONSTANT_BORDER),
		2350	const_iv (GL_LINES),
		2351	const_iv (GL_LINE_STRIP),
		2352	const_iv (GL_LINE_LOOP),
		2353	const_iv (GL_QUADS),
		2354	const_iv (GL_QUAD_STRIP),
		2355	const_iv (GL_TRIANGLES),
		2356	const_iv (GL_TRIANGLE_STRIP),
		2357	const_iv (GL_TRIANGLE_FAN),
		2358	const_iv (GL_PERSPECTIVE_CORRECTION_HINT),
		2359	const_iv (GL_FASTEST),
		2360	const_iv (GL_V2F),
		2361	const_iv (GL_V3F),
		2362	const_iv (GL_T2F_V3F),
		2363	const_iv (GL_T2F_N3F_V3F),
		2364	# undef const_iv
		2365	};
		2366
		2367	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		2368	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		2369
		2370	texture_av = newAV ();
		2371	AvREAL_off (texture_av);
		2372	}
		2373
		2374	char *
		2375	gl_vendor ()
		2376	CODE:
		2377	RETVAL = (char *)glGetString (GL_VENDOR);
		2378	OUTPUT:
		2379	RETVAL
36		2380
37	char *	2381	char *
38	gl_version ()	2382	gl_version ()
39	CODE:	2383	CODE:
40	RETVAL = (char *)glGetString (GL_VERSION);	2384	RETVAL = (char *)glGetString (GL_VERSION);
…		…
46	CODE:	2390	CODE:
47	RETVAL = (char *)glGetString (GL_EXTENSIONS);	2391	RETVAL = (char *)glGetString (GL_EXTENSIONS);
48	OUTPUT:	2392	OUTPUT:
49	RETVAL	2393	RETVAL
50		2394
51	void	2395	const char *glGetString (GLenum pname)
52	set_font (char *file)
53	CODE:
54	{
55	int count;
56	FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
57	FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
58	PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
59	FcPatternDestroy (pattern);
60	pango_context_set_font_description (context, font);
61	}
62		2396
63	void	2397	GLint glGetInteger (GLenum pname)
64	font_render (SV *text_, int height = 10)
65	PPCODE:	2398	CODE:
66	{	2399	glGetIntegerv (pname, &RETVAL);
67	STRLEN textlen;	2400	OUTPUT:
68	char *text = SvPVutf8 (text_, textlen);	2401	RETVAL
69	SV *retval;
70	int w, h;
71	FT_Bitmap bitmap;
72	PangoLayout *layout;
73	PangoFontDescription *font = pango_context_get_font_description (context);
74	pango_font_description_set_absolute_size (font, height * PANGO_SCALE);
75		2402
76	layout = pango_layout_new (context);	2403	GLdouble glGetDouble (GLenum pname)
77	pango_layout_set_markup (layout, text, textlen);	2404	CODE:
78	pango_layout_get_pixel_size (layout, &w, &h);	2405	glGetDoublev (pname, &RETVAL);
		2406	OUTPUT:
		2407	RETVAL
79		2408
80	w = (w + 3) & ~3;	2409	int glGetError ()
81	if (!w) w = 1;
82	if (!h) h = 1;
83		2410
84	retval = newSV (w * h);	2411	void glFinish ()
85	SvPOK_only (retval);
86	SvCUR_set (retval, w * h);
87		2412
88	bitmap.rows = h;	2413	void glClear (int mask)
89	bitmap.width = w;
90	bitmap.pitch = w;
91	bitmap.buffer = (unsigned char*)SvPVX (retval);
92	bitmap.num_grays = 256;
93	bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
94		2414
95	memset (bitmap.buffer, 0, w * h);	2415	void glClearColor (float r, float g, float b, float a = 1.0)
96
97	pango_ft2_render_layout (&bitmap, layout, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
98	g_object_unref (layout);
99
100	EXTEND (SP, 3);
101	PUSHs (sv_2mortal (newSViv (w)));
102	PUSHs (sv_2mortal (newSViv (h)));
103	PUSHs (sv_2mortal (retval));
104	}
105
106	MODULE = Crossfire::Client PACKAGE = Crossfire::Client::Texture
107
108	void
109	draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
110	PROTOTYPE: $$$;$$	2416	PROTOTYPE: @
111	CODE:
112	{
113	HV *hv = (HV *)SvRV (self);
114	double s = SvNV (*hv_fetch (hv, "s", 1, 1));
115	double t = SvNV (*hv_fetch (hv, "t", 1, 1));
116	int name = SvIV (*hv_fetch (hv, "name", 4, 1));
117		2417
		2418	void glEnable (int cap)
		2419
		2420	void glDisable (int cap)
		2421
		2422	void glShadeModel (int mode)
		2423
		2424	void glHint (int target, int mode)
		2425
		2426	void glBlendFunc (int sfactor, int dfactor)
		2427
		2428	void glBlendFuncSeparate (int sa, int da, int saa, int daa)
		2429	CODE:
		2430	gl_BlendFuncSeparate (sa, da, saa, daa);
		2431
		2432	void glDepthMask (int flag)
		2433
		2434	void glLogicOp (int opcode)
		2435
		2436	void glColorMask (int red, int green, int blue, int alpha)
		2437
		2438	void glMatrixMode (int mode)
		2439
		2440	void glPushMatrix ()
		2441
		2442	void glPopMatrix ()
		2443
		2444	void glLoadIdentity ()
		2445
		2446	void glDrawBuffer (int buffer)
		2447
		2448	void glReadBuffer (int buffer)
		2449
		2450	# near_ and far_ are due to microsofts buggy "c" compiler
		2451	void glFrustum (double left, double right, double bottom, double top, double near_, double far_)
		2452
		2453	# near_ and far_ are due to microsofts buggy "c" compiler
		2454	void glOrtho (double left, double right, double bottom, double top, double near_, double far_)
		2455
		2456	void glViewport (int x, int y, int width, int height)
		2457
		2458	void glScissor (int x, int y, int width, int height)
		2459
		2460	void glTranslate (float x, float y, float z = 0.)
		2461	CODE:
		2462	glTranslatef (x, y, z);
		2463
		2464	void glScale (float x, float y, float z = 1.)
		2465	CODE:
		2466	glScalef (x, y, z);
		2467
		2468	void glRotate (float angle, float x, float y, float z)
		2469	CODE:
		2470	glRotatef (angle, x, y, z);
		2471
		2472	void glBegin (int mode)
		2473
		2474	void glEnd ()
		2475
		2476	void glColor (float r, float g, float b, float a = 1.0)
		2477	PROTOTYPE: @
		2478	ALIAS:
		2479	glColor_premultiply = 1
		2480	CODE:
118	if (items < 5)	2481	if (ix)
119	{	2482	{
120	w = SvNV (*hv_fetch (hv, "width", 5, 1));	2483	r *= a;
121	h = SvNV (*hv_fetch (hv, "height", 6, 1));	2484	g *= a;
		2485	b *= a;
122	}	2486	}
		2487	// microsoft visual "c" rounds instead of truncating...
		2488	glColor4f (r, g, b, a);
123		2489
124	glBindTexture (GL_TEXTURE_2D, name);	2490	void glInterleavedArrays (int format, int stride, char *data)
125	glBegin (GL_QUADS);	2491
126	glTexCoord2d (0, 0); glVertex2d (x , y );	2492	void glDrawElements (int mode, int count, int type, char *indices)
127	glTexCoord2d (0, t); glVertex2d (x , y + h);	2493
128	glTexCoord2d (s, t); glVertex2d (x + w, y + h);	2494	# 1.2 void glDrawRangeElements (int mode, int start, int end
129	glTexCoord2d (s, 0); glVertex2d (x + w, y );	2495
130	glEnd ();	2496	void glRasterPos (float x, float y, float z = 0.)
131	}	2497	CODE:
		2498	glRasterPos3f (0, 0, z);
		2499	glBitmap (0, 0, 0, 0, x, y, 0);
		2500
		2501	void glVertex (float x, float y, float z = 0.)
		2502	CODE:
		2503	glVertex3f (x, y, z);
		2504
		2505	void glTexCoord (float s, float t)
		2506	CODE:
		2507	glTexCoord2f (s, t);
		2508
		2509	void glTexEnv (int target, int pname, float param)
		2510	CODE:
		2511	glTexEnvf (target, pname, param);
		2512
		2513	void glTexParameter (int target, int pname, float param)
		2514	CODE:
		2515	glTexParameterf (target, pname, param);
		2516
		2517	void glBindTexture (int target, int name)
		2518
		2519	void glConvolutionParameter (int target, int pname, float params)
		2520	CODE:
		2521	if (gl.ConvolutionParameterf)
		2522	gl.ConvolutionParameterf (target, pname, params);
		2523
		2524	void glConvolutionFilter2D (int target, int internalformat, int width, int height, int format, int type, char *data)
		2525	CODE:
		2526	if (gl.ConvolutionFilter2D)
		2527	gl.ConvolutionFilter2D (target, internalformat, width, height, format, type, data);
		2528
		2529	void glSeparableFilter2D (int target, int internalformat, int width, int height, int format, int type, char *row, char *column)
		2530	CODE:
		2531	if (gl.SeparableFilter2D)
		2532	gl.SeparableFilter2D (target, internalformat, width, height, format, type, row, column);
		2533
		2534	void glTexImage2D (int target, int level, int internalformat, int width, int height, int border, int format, int type, char *data)
		2535
		2536	void glCopyTexImage2D (int target, int level, int internalformat, int x, int y, int width, int height, int border)
		2537
		2538	void glDrawPixels (int width, int height, int format, int type, char *pixels)
		2539
		2540	void glPixelZoom (float x, float y)
		2541
		2542	void glCopyPixels (int x, int y, int width, int height, int type = GL_COLOR)
		2543
		2544	int glGenTexture ()
		2545	CODE:
		2546	RETVAL = gen_texture ();
		2547	OUTPUT:
		2548	RETVAL
		2549
		2550	void glDeleteTexture (int name)
		2551	CODE:
		2552	del_texture (name);
		2553
		2554	int glGenList ()
		2555	CODE:
		2556	RETVAL = glGenLists (1);
		2557	OUTPUT:
		2558	RETVAL
		2559
		2560	void glDeleteList (int list)
		2561	CODE:
		2562	glDeleteLists (list, 1);
		2563
		2564	void glNewList (int list, int mode = GL_COMPILE)
		2565
		2566	void glEndList ()
		2567
		2568	void glCallList (int list)
		2569

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