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

Comparing deliantra/Deliantra-Client/Client.xs (file contents):
Revision 1.10 by root, Sun Apr 9 17:34:15 2006 UTC vs.
Revision 1.201 by root, Tue Jul 17 17:39:06 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_endian.h>
		32	#include <SDL_image.h>
		33	#include <SDL_mixer.h>
8	#include <SDL_opengl.h>	34	#include <SDL_opengl.h>
9		35
		36	#define PANGO_ENABLE_BACKEND
		37	#define G_DISABLE_CAST_CHECKS
		38
		39	#include <glib/gmacros.h>
		40
10	#include <pango/pango.h>	41	#include <pango/pango.h>
11	#include <pango/pangofc-fontmap.h>
12	#include <pango/pangoft2.h>
13		42
		43	#ifndef _WIN32
14	#include <sys/types.h>	44	# include <sys/types.h>
15	#include <sys/socket.h>	45	# include <sys/socket.h>
16	#include <netinet/in.h>	46	# include <netinet/in.h>
17	#include <netinet/tcp.h>	47	# include <netinet/tcp.h>
		48	# include <inttypes.h>
		49	#endif
18		50
		51	#define OBJ_STR "\xef\xbf\xbc" /* U+FFFC, object replacement character */
		52
		53	#define FOW_DARKNESS 32
		54
		55	#define MAP_EXTEND_X 32
		56	#define MAP_EXTEND_Y 512
		57
		58	#define MIN_FONT_HEIGHT 10
		59
		60	#if 0
		61	# define PARACHUTE SDL_INIT_NOPARACHUTE
		62	#else
		63	# define PARACHUTE 0
		64	#endif
		65
		66	static AV *texture_av;
		67
		68	static struct
		69	{
		70	#define GL_FUNC(ptr,name) ptr name;
		71	#include "glfunc.h"
		72	#undef GL_FUNC
		73	} gl;
		74
		75	static void
		76	gl_BlendFuncSeparate (GLenum sa, GLenum da, GLenum saa, GLenum daa)
		77	{
		78	if (gl.BlendFuncSeparate)
		79	gl.BlendFuncSeparate (sa, da, saa, daa);
		80	else if (gl.BlendFuncSeparateEXT)
		81	gl.BlendFuncSeparateEXT (sa, da, saa, daa);
		82	else
		83	glBlendFunc (sa, da);
		84	}
		85
		86	static GLuint
		87	gen_texture ()
		88	{
		89	GLuint name;
		90
		91	if (AvFILL (texture_av) >= 0)
		92	name = (GLuint)(size_t)av_pop (texture_av);
		93	else
		94	glGenTextures (1, &name);
		95
		96	return name;
		97	}
		98
		99	static void
		100	del_texture (GLuint name)
		101	{
		102	/* make a half-assed attempt at returning the memory used by the texture */
		103	/* textures are frequently being reused by cfplus anyway */
		104	/*glBindTexture (GL_TEXTURE_2D, name);*/
		105	/*glTexImage2D (GL_TEXTURE_2D, 0, GL_ALPHA, 0, 0, 0, GL_ALPHA, GL_UNSIGNED_BYTE, 0);*/
		106	av_push (texture_av, (SV *)(size_t)name);
		107	glDeleteTextures (1, &name);
		108	}
		109
		110	#include "texcache.c"
		111
		112	#include "pango-font.c"
		113	#include "pango-fontmap.c"
		114	#include "pango-render.c"
		115
		116	typedef Mix_Chunk *CFPlus__MixChunk;
		117	typedef Mix_Music *CFPlus__MixMusic;
		118
		119	typedef PangoFontDescription *CFPlus__Font;
		120
		121	static int
		122	shape_attr_p (PangoLayoutRun *run)
		123	{
		124	GSList *attrs = run->item->analysis.extra_attrs;
		125
		126	while (attrs)
		127	{
		128	PangoAttribute *attr = attrs->data;
		129
		130	if (attr->klass->type == PANGO_ATTR_SHAPE)
		131	return 1;
		132
		133	attrs = attrs->next;
		134	}
		135
		136	return 0;
		137	}
		138
		139	typedef struct cf_layout {
		140	PangoLayout *pl;
		141	float r, g, b, a; // default color for rgba mode
		142	int base_height;
		143	CFPlus__Font font;
		144	} *CFPlus__Layout;
		145
		146	static CFPlus__Font default_font;
19	static PangoContext *context;	147	static PangoContext *opengl_context;
20	static PangoFontMap *fontmap;	148	static PangoFontMap *opengl_fontmap;
21		149
22	MODULE = Crossfire::Client PACKAGE = Crossfire::Client	150	static void
		151	substitute_func (FcPattern *pattern, gpointer data)
		152	{
		153	FcPatternAddBool (pattern, FC_HINTING, 1);
		154	#ifdef FC_HINT_STYLE
		155	FcPatternAddBool (pattern, FC_HINT_STYLE, FC_HINT_FULL);
		156	#endif
		157	FcPatternAddBool (pattern, FC_AUTOHINT, 0);
		158	}
		159
		160	static void
		161	layout_update_font (CFPlus__Layout self)
		162	{
		163	/* use a random scale factor to account for unknown descenders, 0.8 works
		164	* reasonably well with bitstream vera
		165	*/
		166	PangoFontDescription *font = self->font ? self->font : default_font;
		167
		168	pango_font_description_set_absolute_size (font,
		169	MAX (MIN_FONT_HEIGHT, self->base_height) * (PANGO_SCALE * 8 / 10));
		170
		171	pango_layout_set_font_description (self->pl, font);
		172	}
		173
		174	static void
		175	layout_get_pixel_size (CFPlus__Layout self, int *w, int *h)
		176	{
		177	PangoRectangle rect;
		178
		179	// get_pixel_* wrongly rounds down
		180	pango_layout_get_extents (self->pl, 0, &rect);
		181
		182	rect.width = (rect.width + PANGO_SCALE - 1) / PANGO_SCALE;
		183	rect.height = (rect.height + PANGO_SCALE - 1) / PANGO_SCALE;
		184
		185	if (!rect.width) rect.width = 1;
		186	if (!rect.height) rect.height = 1;
		187
		188	*w = rect.width;
		189	*h = rect.height;
		190	}
		191
		192	typedef uint16_t tileid;
		193	typedef uint16_t faceid;
		194
		195	typedef struct {
		196	int name;
		197	int w, h;
		198	float s, t;
		199	uint8_t r, g, b, a;
		200	tileid smoothtile;
		201	uint8_t smoothlevel;
		202	} maptex;
		203
		204	typedef struct {
		205	uint32_t player;
		206	tileid tile[3];
		207	uint16_t darkness;
		208	uint8_t stat_width, stat_hp, flags, smoothmax;
		209	} mapcell;
		210
		211	typedef struct {
		212	int32_t c0, c1;
		213	mapcell *col;
		214	} maprow;
		215
		216	typedef struct map {
		217	int x, y, w, h;
		218	int ox, oy; /* offset to virtual global coordinate system */
		219	int faces; tileid *face2tile; // [faceid]
		220	int texs; maptex *tex; // [tileid]
		221
		222	int32_t rows;
		223	maprow *row;
		224	} *CFPlus__Map;
		225
		226	static char *
		227	prepend (char *ptr, int sze, int inc)
		228	{
		229	char *p;
		230
		231	New (0, p, sze + inc, char);
		232	Zero (p, inc, char);
		233	Move (ptr, p + inc, sze, char);
		234	Safefree (ptr);
		235
		236	return p;
		237	}
		238
		239	static char *
		240	append (char *ptr, int sze, int inc)
		241	{
		242	Renew (ptr, sze + inc, char);
		243	Zero (ptr + sze, inc, char);
		244
		245	return ptr;
		246	}
		247
		248	#define Append(type,ptr,sze,inc) (ptr) = (type *)append ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
		249	#define Prepend(type,ptr,sze,inc) (ptr) = (type *)prepend ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
		250
		251	static void
		252	need_facenum (struct map *self, faceid face)
		253	{
		254	while (self->faces <= face)
		255	{
		256	Append (tileid, self->face2tile, self->faces, self->faces);
		257	self->faces *= 2;
		258	}
		259	}
		260
		261	static void
		262	need_texid (struct map *self, int texid)
		263	{
		264	while (self->texs <= texid)
		265	{
		266	Append (maptex, self->tex, self->texs, self->texs);
		267	self->texs *= 2;
		268	}
		269	}
		270
		271	static maprow *
		272	map_get_row (CFPlus__Map self, int y)
		273	{
		274	if (0 > y)
		275	{
		276	int extend = - y + MAP_EXTEND_Y;
		277	Prepend (maprow, self->row, self->rows, extend);
		278
		279	self->rows += extend;
		280	self->y += extend;
		281	y += extend;
		282	}
		283	else if (y >= self->rows)
		284	{
		285	int extend = y - self->rows + MAP_EXTEND_Y;
		286	Append (maprow, self->row, self->rows, extend);
		287	self->rows += extend;
		288	}
		289
		290	return self->row + y;
		291	}
		292
		293	static mapcell *
		294	row_get_cell (maprow *row, int x)
		295	{
		296	if (!row->col)
		297	{
		298	Newz (0, row->col, MAP_EXTEND_X, mapcell);
		299	row->c0 = x - MAP_EXTEND_X / 4;
		300	row->c1 = row->c0 + MAP_EXTEND_X;
		301	}
		302
		303	if (row->c0 > x)
		304	{
		305	int extend = row->c0 - x + MAP_EXTEND_X;
		306	Prepend (mapcell, row->col, row->c1 - row->c0, extend);
		307	row->c0 -= extend;
		308	}
		309	else if (x >= row->c1)
		310	{
		311	int extend = x - row->c1 + MAP_EXTEND_X;
		312	Append (mapcell, row->col, row->c1 - row->c0, extend);
		313	row->c1 += extend;
		314	}
		315
		316	return row->col + (x - row->c0);
		317	}
		318
		319	static mapcell *
		320	map_get_cell (CFPlus__Map self, int x, int y)
		321	{
		322	return row_get_cell (map_get_row (self, y), x);
		323	}
		324
		325	static void
		326	map_clear (CFPlus__Map self)
		327	{
		328	int r;
		329
		330	for (r = 0; r < self->rows; r++)
		331	Safefree (self->row[r].col);
		332
		333	Safefree (self->row);
		334
		335	self->x = 0;
		336	self->y = 0;
		337	self->ox = 0;
		338	self->oy = 0;
		339	self->row = 0;
		340	self->rows = 0;
		341	}
		342
		343	static void
		344	map_blank (CFPlus__Map self, int x0, int y0, int w, int h)
		345	{
		346	int x, y;
		347	maprow *row;
		348	mapcell *cell;
		349
		350	for (y = y0; y < y0 + h; y++)
		351	if (y >= 0)
		352	{
		353	if (y >= self->rows)
		354	break;
		355
		356	row = self->row + y;
		357
		358	for (x = x0; x < x0 + w; x++)
		359	if (x >= row->c0)
		360	{
		361	if (x >= row->c1)
		362	break;
		363
		364	cell = row->col + x - row->c0;
		365
		366	cell->darkness = 0;
		367	cell->stat_hp = 0;
		368	cell->flags = 0;
		369	cell->player = 0;
		370	}
		371	}
		372	}
		373
		374	typedef struct {
		375	tileid tile;
		376	uint8_t x, y, level;
		377	} smooth_key;
		378
		379	static void
		380	smooth_or_bits (HV *hv, smooth_key *key, IV bits)
		381	{
		382	SV **sv = hv_fetch (hv, (char *)key, sizeof (*key), 1);
		383
		384	if (SvIOK (*sv))
		385	SvIV_set (*sv, SvIVX (*sv) | bits);
		386	else
		387	sv_setiv (*sv, bits);
		388	}
		389
		390	static void
		391	music_finished (void)
		392	{
		393	SDL_UserEvent ev;
		394
		395	ev.type = SDL_USEREVENT;
		396	ev.code = 0;
		397	ev.data1 = 0;
		398	ev.data2 = 0;
		399
		400	SDL_PushEvent ((SDL_Event *)&ev);
		401	}
		402
		403	static void
		404	channel_finished (int channel)
		405	{
		406	SDL_UserEvent ev;
		407
		408	ev.type = SDL_USEREVENT;
		409	ev.code = 1;
		410	ev.data1 = (void *)(long)channel;
		411	ev.data2 = 0;
		412
		413	SDL_PushEvent ((SDL_Event *)&ev);
		414	}
		415
		416	static unsigned int
		417	minpot (unsigned int n)
		418	{
		419	if (!n)
		420	return 0;
		421
		422	--n;
		423
		424	n |= n >> 1;
		425	n |= n >> 2;
		426	n |= n >> 4;
		427	n |= n >> 8;
		428	n |= n >> 16;
		429
		430	return n + 1;
		431	}
		432
		433	/* SDL should provide this, really. */
		434	#define SDLK_MODIFIER_MIN 300
		435	#define SDLK_MODIFIER_MAX 314
		436
		437	MODULE = CFPlus PACKAGE = CFPlus
		438
		439	PROTOTYPES: ENABLE
23		440
24	BOOT:	441	BOOT:
25	{	442	{
26	fontmap = pango_ft2_font_map_new ();	443	HV *stash = gv_stashpv ("CFPlus", 1);
		444	static const struct {
		445	const char *name;
		446	IV iv;
		447	} *civ, const_iv[] = {
		448	# define const_iv(name) { # name, (IV)name }
		449	const_iv (SDLK_MODIFIER_MIN),
		450	const_iv (SDLK_MODIFIER_MAX),
		451
		452	const_iv (SDL_ACTIVEEVENT),
		453	const_iv (SDL_KEYDOWN),
		454	const_iv (SDL_KEYUP),
		455	const_iv (SDL_MOUSEMOTION),
		456	const_iv (SDL_MOUSEBUTTONDOWN),
		457	const_iv (SDL_MOUSEBUTTONUP),
		458	const_iv (SDL_JOYAXISMOTION),
		459	const_iv (SDL_JOYBALLMOTION),
		460	const_iv (SDL_JOYHATMOTION),
		461	const_iv (SDL_JOYBUTTONDOWN),
		462	const_iv (SDL_JOYBUTTONUP),
		463	const_iv (SDL_QUIT),
		464	const_iv (SDL_SYSWMEVENT),
		465	const_iv (SDL_EVENT_RESERVEDA),
		466	const_iv (SDL_EVENT_RESERVEDB),
		467	const_iv (SDL_VIDEORESIZE),
		468	const_iv (SDL_VIDEOEXPOSE),
		469	const_iv (SDL_USEREVENT),
		470
		471	const_iv (SDL_APPINPUTFOCUS),
		472	const_iv (SDL_APPMOUSEFOCUS),
		473	const_iv (SDL_APPACTIVE),
		474
		475	const_iv (SDLK_KP0),
		476	const_iv (SDLK_KP1),
		477	const_iv (SDLK_KP2),
		478	const_iv (SDLK_KP3),
		479	const_iv (SDLK_KP4),
		480	const_iv (SDLK_KP5),
		481	const_iv (SDLK_KP6),
		482	const_iv (SDLK_KP7),
		483	const_iv (SDLK_KP8),
		484	const_iv (SDLK_KP9),
		485	const_iv (SDLK_KP_PERIOD),
		486	const_iv (SDLK_KP_DIVIDE),
		487	const_iv (SDLK_KP_MULTIPLY),
		488	const_iv (SDLK_KP_MINUS),
		489	const_iv (SDLK_KP_PLUS),
		490	const_iv (SDLK_KP_ENTER),
		491	const_iv (SDLK_KP_EQUALS),
		492	const_iv (SDLK_UP),
		493	const_iv (SDLK_DOWN),
		494	const_iv (SDLK_RIGHT),
		495	const_iv (SDLK_LEFT),
		496	const_iv (SDLK_INSERT),
		497	const_iv (SDLK_HOME),
		498	const_iv (SDLK_END),
		499	const_iv (SDLK_PAGEUP),
		500	const_iv (SDLK_PAGEDOWN),
		501	const_iv (SDLK_F1),
		502	const_iv (SDLK_F2),
		503	const_iv (SDLK_F3),
		504	const_iv (SDLK_F4),
		505	const_iv (SDLK_F5),
		506	const_iv (SDLK_F6),
		507	const_iv (SDLK_F7),
		508	const_iv (SDLK_F8),
		509	const_iv (SDLK_F9),
		510	const_iv (SDLK_F10),
		511	const_iv (SDLK_F11),
		512	const_iv (SDLK_F12),
		513	const_iv (SDLK_F13),
		514	const_iv (SDLK_F14),
		515	const_iv (SDLK_F15),
		516	const_iv (SDLK_NUMLOCK),
		517	const_iv (SDLK_CAPSLOCK),
		518	const_iv (SDLK_SCROLLOCK),
		519	const_iv (SDLK_RSHIFT),
		520	const_iv (SDLK_LSHIFT),
		521	const_iv (SDLK_RCTRL),
		522	const_iv (SDLK_LCTRL),
		523	const_iv (SDLK_RALT),
		524	const_iv (SDLK_LALT),
		525	const_iv (SDLK_RMETA),
		526	const_iv (SDLK_LMETA),
		527	const_iv (SDLK_LSUPER),
		528	const_iv (SDLK_RSUPER),
		529	const_iv (SDLK_MODE),
		530	const_iv (SDLK_COMPOSE),
		531	const_iv (SDLK_HELP),
		532	const_iv (SDLK_PRINT),
		533	const_iv (SDLK_SYSREQ),
		534	const_iv (SDLK_BREAK),
		535	const_iv (SDLK_MENU),
		536	const_iv (SDLK_POWER),
		537	const_iv (SDLK_EURO),
		538	const_iv (SDLK_UNDO),
		539
		540	const_iv (KMOD_NONE),
		541	const_iv (KMOD_SHIFT),
		542	const_iv (KMOD_LSHIFT),
		543	const_iv (KMOD_RSHIFT),
		544	const_iv (KMOD_CTRL),
		545	const_iv (KMOD_LCTRL),
		546	const_iv (KMOD_RCTRL),
		547	const_iv (KMOD_ALT),
		548	const_iv (KMOD_LALT),
		549	const_iv (KMOD_RALT),
		550	const_iv (KMOD_META),
		551	const_iv (KMOD_LMETA),
		552	const_iv (KMOD_RMETA),
		553	const_iv (KMOD_NUM),
		554	const_iv (KMOD_CAPS),
		555	const_iv (KMOD_MODE),
		556	# undef const_iv
		557	};
		558
		559	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		560	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		561
		562	assert (SDLK_MODIFIER_MIN == SDLK_NUMLOCK);
		563	assert (SDLK_MODIFIER_MAX == SDLK_COMPOSE);
		564	}
		565
		566	void
		567	weaken (SV *rv)
		568	PROTOTYPE: $
		569	CODE:
		570	sv_rvweaken (rv);
		571
		572	int
		573	in_destruct ()
		574	CODE:
		575	RETVAL = PL_main_cv == Nullcv;
		576	OUTPUT:
		577	RETVAL
		578
		579	NV floor (NV x)
		580
		581	NV ceil (NV x)
		582
		583	void
		584	pango_init ()
		585	CODE:
		586	{
		587	opengl_fontmap = pango_opengl_font_map_new ();
		588	pango_opengl_font_map_set_default_substitute ((PangoOpenGLFontMap *)opengl_fontmap, substitute_func, 0, 0);
27	context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);	589	opengl_context = pango_opengl_font_map_create_context ((PangoOpenGLFontMap *)opengl_fontmap);
28	}	590	}
		591
		592	char *
		593	SDL_GetError ()
		594
		595	int
		596	SDL_Init (U32 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | PARACHUTE)
		597
		598	void
		599	SDL_Quit ()
		600
		601	void
		602	SDL_ListModes (int rgb, int alpha)
		603	PPCODE:
		604	{
		605	SDL_Rect **m;
		606
		607	SDL_GL_SetAttribute (SDL_GL_RED_SIZE , rgb);
		608	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb);
		609	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE , rgb);
		610	SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, alpha);
		611
		612	SDL_GL_SetAttribute (SDL_GL_BUFFER_SIZE, 15);
		613	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE , 0);
		614
		615	SDL_GL_SetAttribute (SDL_GL_ACCUM_RED_SIZE , 0);
		616	SDL_GL_SetAttribute (SDL_GL_ACCUM_GREEN_SIZE, 0);
		617	SDL_GL_SetAttribute (SDL_GL_ACCUM_BLUE_SIZE , 0);
		618	SDL_GL_SetAttribute (SDL_GL_ACCUM_ALPHA_SIZE, 0);
		619
		620	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
		621	#if SDL_VERSION_ATLEAST(1,2,10)
		622	SDL_GL_SetAttribute (SDL_GL_ACCELERATED_VISUAL, 1);
		623	SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 1);
		624	#endif
		625
		626	m = SDL_ListModes (0, SDL_FULLSCREEN | SDL_OPENGL);
		627
		628	if (m && m != (SDL_Rect **)-1)
		629	while (*m)
		630	{
		631	if ((*m)->w >= 640 && (*m)->h >= 480)
		632	{
		633	AV *av = newAV ();
		634	av_push (av, newSViv ((*m)->w));
		635	av_push (av, newSViv ((*m)->h));
		636	av_push (av, newSViv (rgb));
		637	av_push (av, newSViv (alpha));
		638	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		639	}
		640
		641	++m;
		642	}
		643	}
		644
		645	int
		646	SDL_SetVideoMode (int w, int h, int rgb, int alpha, int fullscreen)
		647	CODE:
		648	{
		649	SDL_EnableUNICODE (1);
		650	SDL_EnableKeyRepeat (SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
		651
		652	SDL_GL_SetAttribute (SDL_GL_RED_SIZE , rgb);
		653	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb);
		654	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE , rgb);
		655	SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, alpha);
		656
		657	RETVAL = !!SDL_SetVideoMode (
		658	w, h, 0, SDL_OPENGL | (fullscreen ? SDL_FULLSCREEN : 0)
		659	);
		660
		661	if (RETVAL)
		662	{
		663	av_clear (texture_av);
		664
		665	SDL_WM_SetCaption ("Crossfire+ Client " VERSION, "Crossfire+");
		666	#define GL_FUNC(ptr,name) gl.name = (ptr)SDL_GL_GetProcAddress ("gl" # name);
		667	#include "glfunc.h"
		668	#undef GL_FUNC
		669	}
		670	}
		671	OUTPUT:
		672	RETVAL
		673
		674	void
		675	SDL_GL_SwapBuffers ()
		676
		677	char *
		678	SDL_GetKeyName (int sym)
		679
		680	int
		681	SDL_GetAppState ()
		682
		683	void
		684	poll_events ()
		685	PPCODE:
		686	{
		687	SDL_Event ev;
		688
		689	SDL_PumpEvents ();
		690	while (SDL_PeepEvents (&ev, 1, SDL_GETEVENT, SDL_ALLEVENTS) > 0)
		691	{
		692	HV *hv = newHV ();
		693	hv_store (hv, "type", 4, newSViv (ev.type), 0);
		694
		695	switch (ev.type)
		696	{
		697	case SDL_KEYDOWN:
		698	case SDL_KEYUP:
		699	hv_store (hv, "state", 5, newSViv (ev.key.state), 0);
		700	hv_store (hv, "sym", 3, newSViv (ev.key.keysym.sym), 0);
		701	hv_store (hv, "mod", 3, newSViv (ev.key.keysym.mod), 0);
		702	hv_store (hv, "cmod", 4, newSViv (SDL_GetModState ()), 0); /* current mode */
		703	hv_store (hv, "unicode", 7, newSViv (ev.key.keysym.unicode), 0);
		704	break;
		705
		706	case SDL_ACTIVEEVENT:
		707	hv_store (hv, "gain", 4, newSViv (ev.active.gain), 0);
		708	hv_store (hv, "state", 5, newSViv (ev.active.state), 0);
		709	break;
		710
		711	case SDL_MOUSEMOTION:
		712	{
		713	int state = ev.motion.state;
		714	int x = ev.motion.x;
		715	int y = ev.motion.y;
		716	int xrel = ev.motion.xrel;
		717	int yrel = ev.motion.yrel;
		718
		719	/* do simplistic event compression */
		720	while (SDL_PeepEvents (&ev, 1, SDL_PEEKEVENT, SDL_EVENTMASK (SDL_MOUSEMOTION)) > 0
		721	&& state == ev.motion.state)
		722	{
		723	xrel += ev.motion.xrel;
		724	yrel += ev.motion.yrel;
		725	x = ev.motion.x;
		726	y = ev.motion.y;
		727	SDL_PeepEvents (&ev, 1, SDL_GETEVENT, SDL_EVENTMASK (SDL_MOUSEMOTION));
		728	}
		729
		730	hv_store (hv, "mod", 3, newSViv (SDL_GetModState ()), 0);
		731	hv_store (hv, "state", 5, newSViv (state), 0);
		732	hv_store (hv, "x", 1, newSViv (x), 0);
		733	hv_store (hv, "y", 1, newSViv (y), 0);
		734	hv_store (hv, "xrel", 4, newSViv (xrel), 0);
		735	hv_store (hv, "yrel", 4, newSViv (yrel), 0);
		736	}
		737	break;
		738
		739	case SDL_MOUSEBUTTONDOWN:
		740	case SDL_MOUSEBUTTONUP:
		741	hv_store (hv, "mod", 3, newSViv (SDL_GetModState ()), 0);
		742
		743	hv_store (hv, "button", 6, newSViv (ev.button.button), 0);
		744	hv_store (hv, "state", 5, newSViv (ev.button.state), 0);
		745	hv_store (hv, "x", 1, newSViv (ev.button.x), 0);
		746	hv_store (hv, "y", 1, newSViv (ev.button.y), 0);
		747	break;
		748
		749	case SDL_USEREVENT:
		750	hv_store (hv, "code", 4, newSViv (ev.user.code), 0);
		751	hv_store (hv, "data1", 5, newSViv ((IV)ev.user.data1), 0);
		752	hv_store (hv, "data2", 5, newSViv ((IV)ev.user.data2), 0);
		753	break;
		754	}
		755
		756	XPUSHs (sv_2mortal (sv_bless (newRV_noinc ((SV *)hv), gv_stashpv ("CFPlus::UI::Event", 1))));
		757	}
		758	}
		759
		760	int
		761	Mix_OpenAudio (int frequency = 48000, int format = MIX_DEFAULT_FORMAT, int channels = 1, int chunksize = 2048)
		762	POSTCALL:
		763	Mix_HookMusicFinished (music_finished);
		764	Mix_ChannelFinished (channel_finished);
		765
		766	void
		767	Mix_CloseAudio ()
		768
		769	int
		770	Mix_AllocateChannels (int numchans = -1)
29		771
30	void	772	void
31	lowdelay (int fd, int val = 1)	773	lowdelay (int fd, int val = 1)
32	CODE:	774	CODE:
33	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));	775	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (void *)&val, sizeof (val));
		776
		777	void
		778	win32_proxy_info ()
		779	PPCODE:
		780	{
		781	#ifdef _WIN32
		782	char buffer[2048];
		783	DWORD buflen;
		784
		785	EXTEND (SP, 3);
		786
		787	buflen = sizeof (buffer);
		788	if (InternetQueryOption (0, INTERNET_OPTION_PROXY, (void *)buffer, &buflen))
		789	if (((INTERNET_PROXY_INFO *)buffer)->dwAccessType == INTERNET_OPEN_TYPE_PROXY)
		790	{
		791	PUSHs (newSVpv (((INTERNET_PROXY_INFO *)buffer)->lpszProxy, 0));
		792
		793	buflen = sizeof (buffer);
		794	if (InternetQueryOption (0, INTERNET_OPTION_PROXY_USERNAME, (void *)buffer, &buflen))
		795	{
		796	PUSHs (newSVpv (buffer, 0));
		797
		798	buflen = sizeof (buffer);
		799	if (InternetQueryOption (0, INTERNET_OPTION_PROXY_PASSWORD, (void *)buffer, &buflen))
		800	PUSHs (newSVpv (buffer, 0));
		801	}
		802	}
		803	#endif
		804	}
		805
		806	void
		807	add_font (char *file)
		808	CODE:
		809	FcConfigAppFontAddFile (0, (const FcChar8 *)file);
		810
		811	void
		812	load_image_inline (SV *image_)
		813	ALIAS:
		814	load_image_file = 1
		815	PPCODE:
		816	{
		817	STRLEN image_len;
		818	char *image = (char *)SvPVbyte (image_, image_len);
		819	SDL_Surface *surface, *surface2;
		820	SDL_PixelFormat fmt;
		821	SDL_RWops *rw = ix
		822	? SDL_RWFromFile (image, "r")
		823	: SDL_RWFromConstMem (image, image_len);
		824
		825	if (!rw)
		826	croak ("load_image: %s", SDL_GetError ());
		827
		828	surface = IMG_Load_RW (rw, 1);
		829	if (!surface)
		830	croak ("load_image: %s", SDL_GetError ());
		831
		832	fmt.palette = NULL;
		833	fmt.BitsPerPixel = 32;
		834	fmt.BytesPerPixel = 4;
		835	#if SDL_BYTEORDER == SDL_LIL_ENDIAN
		836	fmt.Rmask = 0x000000ff;
		837	fmt.Gmask = 0x0000ff00;
		838	fmt.Bmask = 0x00ff0000;
		839	fmt.Amask = 0xff000000;
		840	#else
		841	fmt.Rmask = 0xff000000;
		842	fmt.Gmask = 0x00ff0000;
		843	fmt.Bmask = 0x0000ff00;
		844	fmt.Amask = 0x000000ff;
		845	#endif
		846	fmt.Rloss = 0;
		847	fmt.Gloss = 0;
		848	fmt.Bloss = 0;
		849	fmt.Aloss = 0;
		850	fmt.Rshift = 0;
		851	fmt.Gshift = 8;
		852	fmt.Bshift = 16;
		853	fmt.Ashift = 24;
		854	fmt.colorkey = 0;
		855	fmt.alpha = 0;
		856
		857	surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);
		858
		859	assert (surface2->pitch == surface2->w * 4);
		860
		861	SDL_LockSurface (surface2);
		862	EXTEND (SP, 6);
		863	PUSHs (sv_2mortal (newSViv (surface2->w)));
		864	PUSHs (sv_2mortal (newSViv (surface2->h)));
		865	PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
		866	PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
		867	PUSHs (sv_2mortal (newSViv (GL_RGBA)));
		868	PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_BYTE)));
		869	SDL_UnlockSurface (surface2);
		870
		871	SDL_FreeSurface (surface);
		872	SDL_FreeSurface (surface2);
		873	}
		874
		875	void
		876	average (int x, int y, uint32_t *data)
		877	PPCODE:
		878	{
		879	uint32_t r = 0, g = 0, b = 0, a = 0;
		880
		881	x = y = x * y;
		882
		883	while (x--)
		884	{
		885	uint32_t p = *data++;
		886
		887	r += (p ) & 255;
		888	g += (p >> 8) & 255;
		889	b += (p >> 16) & 255;
		890	a += (p >> 24) & 255;
		891	}
		892
		893	EXTEND (SP, 4);
		894	PUSHs (sv_2mortal (newSViv (r / y)));
		895	PUSHs (sv_2mortal (newSViv (g / y)));
		896	PUSHs (sv_2mortal (newSViv (b / y)));
		897	PUSHs (sv_2mortal (newSViv (a / y)));
		898	}
		899
		900	void
		901	error (char *message)
		902	CODE:
		903	fprintf (stderr, "ERROR: %s\n", message);
		904	#ifdef _WIN32
		905	MessageBox (0, message, "Crossfire+ Error", MB_OK | MB_ICONERROR);
		906	#endif
		907
		908	void
		909	fatal (char *message)
		910	CODE:
		911	fprintf (stderr, "FATAL: %s\n", message);
		912	#ifdef _WIN32
		913	MessageBox (0, message, "Crossfire+ Fatal Error", MB_OK | MB_ICONERROR);
		914	#endif
		915	_exit (1);
		916
		917	void
		918	_exit (int retval = 0)
		919	CODE:
		920	#ifdef WIN32
		921	ExitThread (retval); // unclean, please beam me up
		922	#else
		923	_exit (retval);
		924	#endif
		925
		926	void
		927	debug ()
		928	CODE:
		929	{
		930	#if DEBUG
		931	VALGRIND_DO_LEAK_CHECK;
		932	#endif
		933	}
		934
		935	MODULE = CFPlus PACKAGE = CFPlus::Font
		936
		937	CFPlus::Font
		938	new_from_file (SV *class, char *path, int id = 0)
		939	CODE:
		940	{
		941	int count;
		942	FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)path, id, 0, &count);
		943	RETVAL = pango_fc_font_description_from_pattern (pattern, 0);
		944	FcPatternDestroy (pattern);
		945	}
		946	OUTPUT:
		947	RETVAL
		948
		949	void
		950	DESTROY (CFPlus::Font self)
		951	CODE:
		952	pango_font_description_free (self);
		953
		954	void
		955	make_default (CFPlus::Font self)
		956	CODE:
		957	default_font = self;
		958
		959	MODULE = CFPlus PACKAGE = CFPlus::Layout
		960
		961	void
		962	reset_glyph_cache ()
		963	CODE:
		964	tc_clear ();
		965
		966	CFPlus::Layout
		967	new (SV *class)
		968	CODE:
		969	New (0, RETVAL, 1, struct cf_layout);
		970
		971	RETVAL->pl = pango_layout_new (opengl_context);
		972	RETVAL->r = 1.;
		973	RETVAL->g = 1.;
		974	RETVAL->b = 1.;
		975	RETVAL->a = 1.;
		976	RETVAL->base_height = MIN_FONT_HEIGHT;
		977	RETVAL->font = 0;
		978
		979	pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
		980	layout_update_font (RETVAL);
		981	OUTPUT:
		982	RETVAL
		983
		984	void
		985	DESTROY (CFPlus::Layout self)
		986	CODE:
		987	g_object_unref (self->pl);
		988	Safefree (self);
		989
		990	void
		991	set_text (CFPlus::Layout self, SV *text_)
		992	CODE:
		993	{
		994	STRLEN textlen;
		995	char *text = SvPVutf8 (text_, textlen);
		996
		997	pango_layout_set_text (self->pl, text, textlen);
		998	}
		999
		1000	void
		1001	set_markup (CFPlus::Layout self, SV *text_)
		1002	CODE:
		1003	{
		1004	STRLEN textlen;
		1005	char *text = SvPVutf8 (text_, textlen);
		1006
		1007	pango_layout_set_markup (self->pl, text, textlen);
		1008	}
		1009
		1010	void
		1011	set_shapes (CFPlus::Layout self, ...)
		1012	CODE:
		1013	{
		1014	PangoAttrList *attrs = 0;
		1015	const char *text = pango_layout_get_text (self->pl);
		1016	const char *pos = text;
		1017	int arg = 4;
		1018
		1019	while (arg < items && (pos = strstr (pos, OBJ_STR)))
		1020	{
		1021	PangoRectangle inkrect, rect;
		1022	PangoAttribute *attr;
		1023
		1024	int x = SvIV (ST (arg - 3));
		1025	int y = SvIV (ST (arg - 2));
		1026	int w = SvIV (ST (arg - 1));
		1027	int h = SvIV (ST (arg ));
		1028
		1029	inkrect.x = 0;
		1030	inkrect.y = 0;
		1031	inkrect.width = 0;
		1032	inkrect.height = 0;
		1033
		1034	rect.x = x * PANGO_SCALE;
		1035	rect.y = y * PANGO_SCALE;
		1036	rect.width = w * PANGO_SCALE;
		1037	rect.height = h * PANGO_SCALE;
		1038
		1039	if (!attrs)
		1040	attrs = pango_layout_get_attributes (self->pl);
		1041
		1042	attr = pango_attr_shape_new (&inkrect, &rect);
		1043	attr->start_index = pos - text;
		1044	attr->end_index = attr->start_index + sizeof (OBJ_STR) - 1;
		1045	pango_attr_list_insert (attrs, attr);
		1046
		1047	arg += 4;
		1048	pos += sizeof (OBJ_STR) - 1;
		1049	}
		1050
		1051	if (attrs)
		1052	pango_layout_set_attributes (self->pl, attrs);
		1053	}
		1054
		1055	void
		1056	get_shapes (CFPlus::Layout self)
		1057	PPCODE:
		1058	{
		1059	PangoLayoutIter *iter = pango_layout_get_iter (self->pl);
		1060
		1061	do
		1062	{
		1063	PangoLayoutRun *run = pango_layout_iter_get_run (iter);
		1064
		1065	if (run && shape_attr_p (run))
		1066	{
		1067	PangoRectangle extents;
		1068	pango_layout_iter_get_run_extents (iter, 0, &extents);
		1069
		1070	EXTEND (SP, 2);
		1071	PUSHs (sv_2mortal (newSViv (PANGO_PIXELS (extents.x))));
		1072	PUSHs (sv_2mortal (newSViv (PANGO_PIXELS (extents.y))));
		1073	}
		1074	}
		1075	while (pango_layout_iter_next_run (iter));
		1076
		1077	pango_layout_iter_free (iter);
		1078	}
		1079
		1080	int
		1081	has_wrapped (CFPlus::Layout self)
		1082	CODE:
		1083	{
		1084	int lines = 1;
		1085	const char *text = pango_layout_get_text (self->pl);
		1086
		1087	while (*text)
		1088	lines += *text++ == '\n';
		1089
		1090	RETVAL = lines < pango_layout_get_line_count (self->pl);
		1091	}
		1092	OUTPUT:
		1093	RETVAL
		1094
		1095	SV *
		1096	get_text (CFPlus::Layout self)
		1097	CODE:
		1098	RETVAL = newSVpv (pango_layout_get_text (self->pl), 0);
		1099	sv_utf8_decode (RETVAL);
		1100	OUTPUT:
		1101	RETVAL
		1102
		1103	void
		1104	set_foreground (CFPlus::Layout self, float r, float g, float b, float a = 1.)
		1105	CODE:
		1106	self->r = r;
		1107	self->g = g;
		1108	self->b = b;
		1109	self->a = a;
		1110
		1111	void
		1112	set_font (CFPlus::Layout self, CFPlus::Font font = 0)
		1113	CODE:
		1114	if (self->font != font)
		1115	{
		1116	self->font = font;
		1117	layout_update_font (self);
		1118	}
		1119
		1120	void
		1121	set_height (CFPlus::Layout self, int base_height)
		1122	CODE:
		1123	if (self->base_height != base_height)
		1124	{
		1125	self->base_height = base_height;
		1126	layout_update_font (self);
		1127	}
		1128
		1129	void
		1130	set_width (CFPlus::Layout self, int max_width = -1)
		1131	CODE:
		1132	pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
		1133
		1134	void
		1135	set_indent (CFPlus::Layout self, int indent)
		1136	CODE:
		1137	pango_layout_set_indent (self->pl, indent * PANGO_SCALE);
		1138
		1139	void
		1140	set_spacing (CFPlus::Layout self, int spacing)
		1141	CODE:
		1142	pango_layout_set_spacing (self->pl, spacing * PANGO_SCALE);
		1143
		1144	void
		1145	set_ellipsise (CFPlus::Layout self, int ellipsise)
		1146	CODE:
		1147	pango_layout_set_ellipsize (self->pl,
		1148	ellipsise == 1 ? PANGO_ELLIPSIZE_START
		1149	: ellipsise == 2 ? PANGO_ELLIPSIZE_MIDDLE
		1150	: ellipsise == 3 ? PANGO_ELLIPSIZE_END
		1151	: PANGO_ELLIPSIZE_NONE
		1152	);
		1153
		1154	void
		1155	set_single_paragraph_mode (CFPlus::Layout self, int spm)
		1156	CODE:
		1157	pango_layout_set_single_paragraph_mode (self->pl, !!spm);
		1158
		1159	void
		1160	size (CFPlus::Layout self)
		1161	PPCODE:
		1162	{
		1163	int w, h;
		1164
		1165	layout_get_pixel_size (self, &w, &h);
		1166
		1167	EXTEND (SP, 2);
		1168	PUSHs (sv_2mortal (newSViv (w)));
		1169	PUSHs (sv_2mortal (newSViv (h)));
		1170	}
		1171
		1172	int
		1173	descent (CFPlus::Layout self)
		1174	CODE:
		1175	{
		1176	PangoRectangle rect;
		1177	PangoLayoutLine *line = pango_layout_get_line (self->pl, 0);
		1178	pango_layout_line_get_pixel_extents (line, 0, &rect);
		1179	RETVAL = PANGO_DESCENT (rect);
		1180	}
		1181	OUTPUT:
		1182	RETVAL
		1183
		1184	int
		1185	xy_to_index (CFPlus::Layout self, int x, int y)
		1186	CODE:
		1187	{
		1188	int index, trailing;
		1189	pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);
		1190	RETVAL = index + trailing;
		1191	}
		1192	OUTPUT:
		1193	RETVAL
		1194
		1195	void
		1196	cursor_pos (CFPlus::Layout self, int index)
		1197	PPCODE:
		1198	{
		1199	PangoRectangle strong_pos;
		1200	pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
		1201
		1202	EXTEND (SP, 3);
		1203	PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE)));
		1204	PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE)));
		1205	PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
		1206	}
		1207
		1208	void
		1209	index_to_line_x (CFPlus::Layout self, int index, int trailing = 0)
		1210	PPCODE:
		1211	{
		1212	int line, x;
		1213
		1214	pango_layout_index_to_line_x (self->pl, index, trailing, &line, &x);
		1215	/* pango bug: line is between 1..numlines, not 0..numlines-1 */
		1216
		1217	EXTEND (SP, 2);
		1218	PUSHs (sv_2mortal (newSViv (line - 1)));
		1219	PUSHs (sv_2mortal (newSViv (x / PANGO_SCALE)));
		1220	}
		1221
		1222	void
		1223	line_x_to_index (CFPlus::Layout self, int line, int x)
		1224	PPCODE:
		1225	{
		1226	PangoLayoutLine *lp;
		1227	int index, trailing;
		1228
		1229	if (line < 0)
		1230	XSRETURN_EMPTY;
		1231
		1232	if (!(lp = pango_layout_get_line (self->pl, line)))
		1233	XSRETURN_EMPTY; /* do better */
		1234
		1235	pango_layout_line_x_to_index (lp, x * PANGO_SCALE, &index, &trailing);
		1236
		1237	EXTEND (SP, 2);
		1238	if (GIMME_V == G_SCALAR)
		1239	PUSHs (sv_2mortal (newSViv (index + trailing)));
		1240	else
		1241	{
		1242	PUSHs (sv_2mortal (newSViv (index)));
		1243	PUSHs (sv_2mortal (newSViv (trailing)));
		1244	}
		1245	}
		1246
		1247	void
		1248	render (CFPlus::Layout self, float x, float y, int flags = 0)
		1249	PPCODE:
		1250	pango_opengl_render_layout_subpixel (
		1251	self->pl,
		1252	x * PANGO_SCALE, y * PANGO_SCALE,
		1253	self->r, self->g, self->b, self->a,
		1254	flags
		1255	);
		1256
		1257	MODULE = CFPlus PACKAGE = CFPlus::Texture
		1258
		1259	int minpot (int n)
		1260
		1261	void
		1262	pad2pot (SV *data_, SV *w_, SV *h_)
		1263	CODE:
		1264	{
		1265	int ow = SvIV (w_);
		1266	int oh = SvIV (h_);
		1267
		1268	if (ow && oh)
		1269	{
		1270	int nw = minpot (ow);
		1271	int nh = minpot (oh);
		1272
		1273	if (nw != ow || nh != oh)
		1274	{
		1275	if (SvOK (data_))
		1276	{
		1277	STRLEN datalen;
		1278	char *data = SvPVbyte (data_, datalen);
		1279	int bpp = datalen / (ow * oh);
		1280	SV *result_ = sv_2mortal (newSV (nw * nh * bpp));
		1281
		1282	SvPOK_only (result_);
		1283	SvCUR_set (result_, nw * nh * bpp);
		1284
		1285	memset (SvPVX (result_), 0, nw * nh * bpp);
		1286	while (oh--)
		1287	memcpy (SvPVX (result_) + oh * nw * bpp, data + oh * ow * bpp, ow * bpp);
		1288
		1289	sv_setsv (data_, result_);
		1290	}
		1291
		1292	sv_setiv (w_, nw);
		1293	sv_setiv (h_, nh);
		1294	}
		1295	}
		1296	}
		1297
		1298	void
		1299	draw_quad (SV *self, float x, float y, float w = 0., float h = 0.)
		1300	PROTOTYPE: $$$;$$
		1301	ALIAS:
		1302	draw_quad_alpha = 1
		1303	draw_quad_alpha_premultiplied = 2
		1304	CODE:
		1305	{
		1306	HV *hv = (HV *)SvRV (self);
		1307	float s = SvNV (*hv_fetch (hv, "s", 1, 1));
		1308	float t = SvNV (*hv_fetch (hv, "t", 1, 1));
		1309	int name = SvIV (*hv_fetch (hv, "name", 4, 1));
		1310
		1311	if (items < 5)
		1312	{
		1313	w = SvNV (*hv_fetch (hv, "w", 1, 1));
		1314	h = SvNV (*hv_fetch (hv, "h", 1, 1));
		1315	}
		1316
		1317	if (ix)
		1318	{
		1319	glEnable (GL_BLEND);
		1320
		1321	if (ix == 2)
		1322	glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
		1323	else
		1324	gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
		1325	GL_ONE , GL_ONE_MINUS_SRC_ALPHA);
		1326
		1327	glEnable (GL_ALPHA_TEST);
		1328	glAlphaFunc (GL_GREATER, 0.01f);
		1329	}
		1330
		1331	glBindTexture (GL_TEXTURE_2D, name);
		1332
		1333	glBegin (GL_QUADS);
		1334	glTexCoord2f (0, 0); glVertex2f (x , y );
		1335	glTexCoord2f (0, t); glVertex2f (x , y + h);
		1336	glTexCoord2f (s, t); glVertex2f (x + w, y + h);
		1337	glTexCoord2f (s, 0); glVertex2f (x + w, y );
		1338	glEnd ();
		1339
		1340	if (ix)
		1341	{
		1342	glDisable (GL_ALPHA_TEST);
		1343	glDisable (GL_BLEND);
		1344	}
		1345	}
		1346
		1347	IV texture_valid_2d (GLint internalformat, GLsizei w, GLsizei h, GLenum format, GLenum type)
		1348	CODE:
		1349	{
		1350	GLint width;
		1351	glTexImage2D (GL_PROXY_TEXTURE_2D, 0, internalformat, w, h, 0, format, type, 0);
		1352	glGetTexLevelParameteriv (GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
		1353	RETVAL = width > 0;
		1354	}
		1355	OUTPUT:
		1356	RETVAL
		1357
		1358	MODULE = CFPlus PACKAGE = CFPlus::Map
		1359
		1360	CFPlus::Map
		1361	new (SV *class)
		1362	CODE:
		1363	New (0, RETVAL, 1, struct map);
		1364	RETVAL->x = 0;
		1365	RETVAL->y = 0;
		1366	RETVAL->w = 0;
		1367	RETVAL->h = 0;
		1368	RETVAL->ox = 0;
		1369	RETVAL->oy = 0;
		1370	RETVAL->faces = 8192; Newz (0, RETVAL->face2tile, RETVAL->faces, tileid);
		1371	RETVAL->texs = 8192; Newz (0, RETVAL->tex , RETVAL->texs , maptex);
		1372	RETVAL->rows = 0;
		1373	RETVAL->row = 0;
		1374	OUTPUT:
		1375	RETVAL
		1376
		1377	void
		1378	DESTROY (CFPlus::Map self)
		1379	CODE:
		1380	{
		1381	map_clear (self);
		1382	Safefree (self->face2tile);
		1383	Safefree (self->tex);
		1384	Safefree (self);
		1385	}
		1386
		1387	void
		1388	resize (CFPlus::Map self, int map_width, int map_height)
		1389	CODE:
		1390	self->w = map_width;
		1391	self->h = map_height;
		1392
		1393	void
		1394	clear (CFPlus::Map self)
		1395	CODE:
		1396	map_clear (self);
		1397
		1398	void
		1399	set_tileid (CFPlus::Map self, int face, int tile)
		1400	CODE:
		1401	{
		1402	need_facenum (self, face); self->face2tile [face] = tile;
		1403	need_texid (self, tile);
		1404	}
		1405
		1406	void
		1407	set_smooth (CFPlus::Map self, int face, int smooth, int level)
		1408	CODE:
		1409	{
		1410	tileid texid;
		1411	maptex *tex;
		1412
		1413	if (face < 0 || face >= self->faces)
		1414	return;
		1415
		1416	if (smooth < 0 || smooth >= self->faces)
		1417	return;
		1418
		1419	texid = self->face2tile [face];
		1420
		1421	if (!texid)
		1422	return;
		1423
		1424	tex = self->tex + texid;
		1425	tex->smoothtile = self->face2tile [smooth];
		1426	tex->smoothlevel = level;
		1427	}
		1428
		1429	void
		1430	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)
		1431	CODE:
		1432	{
		1433	need_texid (self, texid);
		1434
		1435	{
		1436	maptex *tex = self->tex + texid;
		1437
		1438	tex->name = name;
		1439	tex->w = w;
		1440	tex->h = h;
		1441	tex->s = s;
		1442	tex->t = t;
		1443	tex->r = r;
		1444	tex->g = g;
		1445	tex->b = b;
		1446	tex->a = a;
		1447	}
		1448
		1449	// somewhat hackish, but for textures that require it, it really
		1450	// improves the look, and most others don't suffer.
		1451	glBindTexture (GL_TEXTURE_2D, name);
		1452	//glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
		1453	//glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
		1454	// use uglier nearest interpolation because linear suffers
		1455	// from transparent color bleeding and ugly wrapping effects.
		1456	glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
		1457	}
		1458
		1459	int
		1460	ox (CFPlus::Map self)
		1461	ALIAS:
		1462	oy = 1
		1463	x = 2
		1464	y = 3
		1465	w = 4
		1466	h = 5
		1467	CODE:
		1468	switch (ix)
		1469	{
		1470	case 0: RETVAL = self->ox; break;
		1471	case 1: RETVAL = self->oy; break;
		1472	case 2: RETVAL = self->x; break;
		1473	case 3: RETVAL = self->y; break;
		1474	case 4: RETVAL = self->w; break;
		1475	case 5: RETVAL = self->h; break;
		1476	}
		1477	OUTPUT:
		1478	RETVAL
		1479
		1480	void
		1481	scroll (CFPlus::Map self, int dx, int dy)
		1482	CODE:
		1483	{
		1484	if (dx > 0)
		1485	map_blank (self, self->x, self->y, dx, self->h);
		1486	else if (dx < 0)
		1487	map_blank (self, self->x + self->w + dx, self->y, -dx, self->h);
		1488
		1489	if (dy > 0)
		1490	map_blank (self, self->x, self->y, self->w, dy);
		1491	else if (dy < 0)
		1492	map_blank (self, self->x, self->y + self->h + dy, self->w, -dy);
		1493
		1494	self->ox += dx; self->x += dx;
		1495	self->oy += dy; self->y += dy;
		1496
		1497	while (self->y < 0)
		1498	{
		1499	Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
		1500
		1501	self->rows += MAP_EXTEND_Y;
		1502	self->y += MAP_EXTEND_Y;
		1503	}
		1504	}
		1505
		1506	void
		1507	map1a_update (CFPlus::Map self, SV *data_, int extmap)
		1508	CODE:
		1509	{
		1510	uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);
		1511	uint8_t *data_end = (uint8_t *)SvEND (data_);
		1512	mapcell *cell;
		1513	int x, y, flags;
		1514
		1515	while (data < data_end - 1)
		1516	{
		1517	flags = (data [0] << 8) + data [1]; data += 2;
		1518
		1519	x = self->x + ((flags >> 10) & 63);
		1520	y = self->y + ((flags >> 4) & 63);
		1521
		1522	cell = map_get_cell (self, x, y);
		1523
		1524	if (flags & 15)
		1525	{
		1526	if (!cell->darkness)
		1527	{
		1528	memset (cell, 0, sizeof (*cell));
		1529	cell->darkness = 256;
		1530	}
		1531
		1532	//TODO: don't trust server data to be in-range(!)
		1533
		1534	if (flags & 8)
		1535	{
		1536	if (extmap)
		1537	{
		1538	uint8_t ext, cmd;
		1539
		1540	do
		1541	{
		1542	ext = *data++;
		1543	cmd = ext & 0x3f;
		1544
		1545	if (cmd < 4)
		1546	cell->darkness = 255 - ext * 64 + 1;
		1547	else if (cmd == 5) // health
		1548	{
		1549	cell->stat_width = 1;
		1550	cell->stat_hp = *data++;
		1551	}
		1552	else if (cmd == 6) // monster width
		1553	cell->stat_width = *data++ + 1;
		1554	else if (cmd == 0x47)
		1555	{
		1556	if (*data == 4)
		1557	; // decode player count
		1558
		1559	data += *data + 1;
		1560	}
		1561	else if (cmd == 8) // cell flags
		1562	cell->flags = *data++;
		1563	else if (ext & 0x40) // unknown, multibyte => skip
		1564	data += *data + 1;
		1565	else
		1566	data++;
		1567	}
		1568	while (ext & 0x80);
		1569	}
		1570	else
		1571	cell->darkness = *data++ + 1;
		1572	}
		1573
		1574	if (flags & 4)
		1575	{
		1576	faceid face = (data [0] << 8) + data [1]; data += 2;
		1577	need_facenum (self, face);
		1578	cell->tile [0] = self->face2tile [face];
		1579	}
		1580
		1581	if (flags & 2)
		1582	{
		1583	faceid face = (data [0] << 8) + data [1]; data += 2;
		1584	need_facenum (self, face);
		1585	cell->tile [1] = self->face2tile [face];
		1586	}
		1587
		1588	if (flags & 1)
		1589	{
		1590	faceid face = (data [0] << 8) + data [1]; data += 2;
		1591	need_facenum (self, face);
		1592	cell->tile [2] = self->face2tile [face];
		1593	}
		1594	}
		1595	else
		1596	cell->darkness = 0;
		1597	}
		1598	}
		1599
		1600	SV *
		1601	mapmap (CFPlus::Map self, int x0, int y0, int w, int h)
		1602	CODE:
		1603	{
		1604	int x1, x;
		1605	int y1, y;
		1606	int z;
		1607	SV *map_sv = newSV (w * h * sizeof (uint32_t));
		1608	uint32_t *map = (uint32_t *)SvPVX (map_sv);
		1609
		1610	SvPOK_only (map_sv);
		1611	SvCUR_set (map_sv, w * h * sizeof (uint32_t));
		1612
		1613	x0 += self->x; x1 = x0 + w;
		1614	y0 += self->y; y1 = y0 + h;
		1615
		1616	for (y = y0; y < y1; y++)
		1617	{
		1618	maprow *row = 0 <= y && y < self->rows
		1619	? self->row + y
		1620	: 0;
		1621
		1622	for (x = x0; x < x1; x++)
		1623	{
		1624	int r = 32, g = 32, b = 32, a = 192;
		1625
		1626	if (row && row->c0 <= x && x < row->c1)
		1627	{
		1628	mapcell *cell = row->col + (x - row->c0);
		1629
		1630	for (z = 0; z <= 0; z++)
		1631	{
		1632	maptex tex = self->tex [cell->tile [z]];
		1633	int a0 = 255 - tex.a;
		1634	int a1 = tex.a;
		1635
		1636	r = (r * a0 + tex.r * a1) / 255;
		1637	g = (g * a0 + tex.g * a1) / 255;
		1638	b = (b * a0 + tex.b * a1) / 255;
		1639	a = (a * a0 + tex.a * a1) / 255;
		1640	}
		1641	}
		1642
		1643	*map++ = (r )
		1644	| (g << 8)
		1645	| (b << 16)
		1646	| (a << 24);
		1647	}
		1648	}
		1649
		1650	RETVAL = map_sv;
		1651	}
		1652	OUTPUT:
		1653	RETVAL
		1654
		1655	void
		1656	draw (CFPlus::Map self, int mx, int my, int sw, int sh, int T)
		1657	CODE:
		1658	{
		1659	HV *smooth = (HV *)sv_2mortal ((SV *)newHV ());
		1660	uint32_t smooth_level[256 / 32]; // one bit for every possible smooth level
		1661	static uint8_t smooth_max[256][256]; // egad, fats and wasteful on memory (64k)
		1662	smooth_key skey;
		1663	int x, y, z;
		1664	int last_name;
		1665
		1666	// thats current max. sorry.
		1667	if (sw > 255) sw = 255;
		1668	if (sh > 255) sh = 255;
		1669
		1670	// clear key, in case of extra padding
		1671	memset (&skey, 0, sizeof (skey));
		1672
		1673	glColor4ub (255, 255, 255, 255);
		1674
		1675	glEnable (GL_BLEND);
		1676	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		1677	glEnable (GL_TEXTURE_2D);
		1678	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
		1679
		1680	glBegin (GL_QUADS);
		1681
		1682	last_name = 0;
		1683
		1684	mx += self->x;
		1685	my += self->y;
		1686
		1687	// first pass: determine smooth_max
		1688	// rather ugly, if you ask me
		1689	// could also be stored inside mapcell and updated on change
		1690	memset (smooth_max, 0, sizeof (smooth_max));
		1691
		1692	for (y = 0; y < sh; y++)
		1693	if (0 <= y + my && y + my < self->rows)
		1694	{
		1695	maprow *row = self->row + (y + my);
		1696
		1697	for (x = 0; x < sw; x++)
		1698	if (row->c0 <= x + mx && x + mx < row->c1)
		1699	{
		1700	mapcell *cell = row->col + (x + mx - row->c0);
		1701
		1702	smooth_max[x + 1][y + 1] =
		1703	MAX (self->tex [cell->tile [0]].smoothlevel,
		1704	MAX (self->tex [cell->tile [1]].smoothlevel,
		1705	self->tex [cell->tile [2]].smoothlevel));
		1706	}
		1707	}
		1708
		1709	for (z = 0; z <= 2; z++)
		1710	{
		1711	memset (smooth_level, 0, sizeof (smooth_level));
		1712
		1713	for (y = 0; y < sh; y++)
		1714	if (0 <= y + my && y + my < self->rows)
		1715	{
		1716	maprow *row = self->row + (y + my);
		1717
		1718	for (x = 0; x < sw; x++)
		1719	if (row->c0 <= x + mx && x + mx < row->c1)
		1720	{
		1721	mapcell *cell = row->col + (x + mx - row->c0);
		1722	tileid tile = cell->tile [z];
		1723
		1724	if (tile)
		1725	{
		1726	maptex tex = self->tex [tile];
		1727	int px = (x + 1) * T - tex.w;
		1728	int py = (y + 1) * T - tex.h;
		1729
		1730	// suppressing texture state switches here
		1731	// is only moderately effective, but worth the extra effort
		1732	if (last_name != tex.name)
		1733	{
		1734	if (!tex.name)
		1735	tex = self->tex [2]; /* missing, replace by noface */
		1736
		1737	glEnd ();
		1738	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
		1739	glBegin (GL_QUADS);
		1740	}
		1741
		1742	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
		1743	glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);
		1744	glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
		1745	glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );
		1746
		1747	if (cell->flags && z == 2)
		1748	{
		1749	if (cell->flags & 1)
		1750	{
		1751	maptex tex = self->tex [1];
		1752	int px = x * T + T * 2 / 32;
		1753	int py = y * T - T * 6 / 32;
		1754
		1755	glEnd ();
		1756	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
		1757	glBegin (GL_QUADS);
		1758
		1759	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
		1760	glTexCoord2f (0 , tex.t); glVertex2f (px , py + T);
		1761	glTexCoord2f (tex.s, tex.t); glVertex2f (px + T, py + T);
		1762	glTexCoord2f (tex.s, 0 ); glVertex2f (px + T, py );
		1763	}
		1764	}
		1765
		1766	// update smooth hash
		1767	if (tex.smoothtile)
		1768	{
		1769	skey.tile = tex.smoothtile;
		1770	skey.level = tex.smoothlevel;
		1771
		1772	smooth_level [tex.smoothlevel >> 5] |= ((uint32_t)1) << (tex.smoothlevel & 31);
		1773
		1774	// add bits to current tile and all neighbours. skey.x|y is
		1775	// shifted +1|+1 so we always stay positive.
		1776
		1777	// bits is ___n cccc CCCC bbbb
		1778	// n do not draw borders&corners
		1779	// c draw these corners, but...
		1780	// C ... not these
		1781	// b draw these borders
		1782
		1783	// borders: 1 ┃· 2 ━━ 4 ·┃ 8 ··
		1784	// ┃· ·· ·┃ ━━
		1785
		1786	// corners: 1 ┛· 2 ·┗ 4 ·· 8 ··
		1787	// ·· ·· ·┏ ┓·
		1788
		1789	// full tile
		1790	skey.x = x + 1; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x1000);
		1791
		1792	// borders
		1793	skey.x = x + 2; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0091);
		1794	skey.x = x + 1; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0032);
		1795	skey.x = x ; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0064);
		1796	skey.x = x + 1; skey.y = y ; smooth_or_bits (smooth, &skey, 0x00c8);
		1797
		1798	// corners
		1799	skey.x = x + 2; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0100);
		1800	skey.x = x ; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0200);
		1801	skey.x = x ; skey.y = y ; smooth_or_bits (smooth, &skey, 0x0400);
		1802	skey.x = x + 2; skey.y = y ; smooth_or_bits (smooth, &skey, 0x0800);
		1803	}
		1804	}
		1805	}
		1806	}
		1807
		1808	// go through all smoothlevels, lowest to highest, then draw.
		1809	// this is basically counting sort
		1810	{
		1811	int w, b;
		1812
		1813	for (w = 0; w < 256 / 32; ++w)
		1814	{
		1815	uint32_t smask = smooth_level [w];
		1816	if (smask)
		1817	for (b = 0; b < 32; ++b)
		1818	if (smask & (((uint32_t)1) << b))
		1819	{
		1820	int level = (w << 5) | b;
		1821	HE *he;
		1822
		1823	hv_iterinit (smooth);
		1824	while ((he = hv_iternext (smooth)))
		1825	{
		1826	smooth_key *skey = (smooth_key *)HeKEY (he);
		1827	IV bits = SvIVX (HeVAL (he));
		1828
		1829	if (!(bits & 0x1000)
		1830	&& skey->level == level
		1831	&& level > smooth_max [skey->x][skey->y])
		1832	{
		1833	maptex tex = self->tex [skey->tile];
		1834	int px = (((int)skey->x) - 1) * T;
		1835	int py = (((int)skey->y) - 1) * T;
		1836	int border = bits & 15;
		1837	int corner = (bits >> 8) & ~(bits >> 4) & 15;
		1838	float dx = tex.s * .0625f; // 16 images/row
		1839	float dy = tex.t * .5f ; // 2 images/column
		1840
		1841	// this time naively avoiding texture state changes
		1842	// save gobs of state changes.
		1843	if (last_name != tex.name)
		1844	{
		1845	if (!tex.name)
		1846	continue; // smoothing not yet available
		1847
		1848	glEnd ();
		1849	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);
		1850	glBegin (GL_QUADS);
		1851	}
		1852
		1853	if (border)
		1854	{
		1855	float ox = border * dx;
		1856
		1857	glTexCoord2f (ox , 0.f ); glVertex2f (px , py );
		1858	glTexCoord2f (ox , dy ); glVertex2f (px , py + T);
		1859	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py + T);
		1860	glTexCoord2f (ox + dx, 0.f ); glVertex2f (px + T, py );
		1861	}
		1862
		1863	if (corner)
		1864	{
		1865	float ox = corner * dx;
		1866
		1867	glTexCoord2f (ox , dy ); glVertex2f (px , py );
		1868	glTexCoord2f (ox , dy * 2.f); glVertex2f (px , py + T);
		1869	glTexCoord2f (ox + dx, dy * 2.f); glVertex2f (px + T, py + T);
		1870	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py );
		1871	}
		1872	}
		1873	}
		1874	}
		1875	}
		1876	}
		1877
		1878	hv_clear (smooth);
		1879	}
		1880
		1881	glEnd ();
		1882
		1883	glDisable (GL_TEXTURE_2D);
		1884	glDisable (GL_BLEND);
		1885
		1886	// top layer: overlays such as the health bar
		1887	for (y = 0; y < sh; y++)
		1888	if (0 <= y + my && y + my < self->rows)
		1889	{
		1890	maprow *row = self->row + (y + my);
		1891
		1892	for (x = 0; x < sw; x++)
		1893	if (row->c0 <= x + mx && x + mx < row->c1)
		1894	{
		1895	mapcell *cell = row->col + (x + mx - row->c0);
		1896
		1897	int px = x * T;
		1898	int py = y * T;
		1899
		1900	if (cell->stat_hp)
		1901	{
		1902	int width = cell->stat_width * T;
		1903	int thick = (sh * T / 32 + 27) / 28 + 1 + cell->stat_width;
		1904
		1905	glColor3ub (0, 0, 0);
		1906	glRectf (px + 1, py - thick - 2,
		1907	px + width - 1, py);
		1908
		1909	glColor3ub (cell->stat_hp, 255 - cell->stat_hp, 0);
		1910	glRectf (px + 2,
		1911	py - thick - 1,
		1912	px + width - 2 - cell->stat_hp * (width - 4) / 255, py - 1);
		1913	}
		1914	}
		1915	}
		1916	}
		1917
		1918	void
		1919	draw_magicmap (CFPlus::Map self, int dx, int dy, int w, int h, unsigned char *data)
		1920	CODE:
		1921	{
		1922	static float color[16][3] = {
		1923	{ 0.00F, 0.00F, 0.00F },
		1924	{ 1.00F, 1.00F, 1.00F },
		1925	{ 0.00F, 0.00F, 0.55F },
		1926	{ 1.00F, 0.00F, 0.00F },
		1927
		1928	{ 1.00F, 0.54F, 0.00F },
		1929	{ 0.11F, 0.56F, 1.00F },
		1930	{ 0.93F, 0.46F, 0.00F },
		1931	{ 0.18F, 0.54F, 0.34F },
		1932
		1933	{ 0.56F, 0.73F, 0.56F },
		1934	{ 0.80F, 0.80F, 0.80F },
		1935	{ 0.55F, 0.41F, 0.13F },
		1936	{ 0.99F, 0.77F, 0.26F },
		1937
		1938	{ 0.74F, 0.65F, 0.41F },
		1939
		1940	{ 0.00F, 1.00F, 1.00F },
		1941	{ 1.00F, 0.00F, 1.00F },
		1942	{ 1.00F, 1.00F, 0.00F },
		1943	};
		1944
		1945	int x, y;
		1946
		1947	glEnable (GL_TEXTURE_2D);
		1948	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
		1949	glEnable (GL_BLEND);
		1950	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		1951	glBegin (GL_QUADS);
		1952
		1953	for (y = 0; y < h; y++)
		1954	for (x = 0; x < w; x++)
		1955	{
		1956	unsigned char m = data [x + y * w];
		1957
		1958	if (m)
		1959	{
		1960	float *c = color [m & 15];
		1961
		1962	float tx1 = m & 0x40 ? 0.5 : 0.;
		1963	float tx2 = tx1 + 0.5;
		1964
		1965	glColor4f (c[0], c[1], c[2], 0.75);
		1966	glTexCoord2f (tx1, 0.); glVertex2i (x , y );
		1967	glTexCoord2f (tx1, 1.); glVertex2i (x , y + 1);
		1968	glTexCoord2f (tx2, 1.); glVertex2i (x + 1, y + 1);
		1969	glTexCoord2f (tx2, 0.); glVertex2i (x + 1, y );
		1970	}
		1971	}
		1972
		1973	glEnd ();
		1974	glDisable (GL_BLEND);
		1975	glDisable (GL_TEXTURE_2D);
		1976	}
		1977
		1978	void
		1979	fow_texture (CFPlus::Map self, int mx, int my, int sw, int sh, int smoothing, const char *matrix)
		1980	PPCODE:
		1981	{
		1982	int x, y;
		1983	int sw4 = (sw + 3) & ~3;
		1984	SV *darkness_sv = sv_2mortal (newSV (sw4 * sh));
		1985	uint8_t *darkness = (uint8_t *)SvPVX (darkness_sv);
		1986
		1987	memset (darkness, 255, sw4 * sh);
		1988	SvPOK_only (darkness_sv);
		1989	SvCUR_set (darkness_sv, sw4 * sh);
		1990
		1991	mx += self->x;
		1992	my += self->y;
		1993
		1994	for (y = 0; y < sh; y++)
		1995	if (0 <= y + my && y + my < self->rows)
		1996	{
		1997	maprow *row = self->row + (y + my);
		1998
		1999	for (x = 0; x < sw; x++)
		2000	if (row->c0 <= x + mx && x + mx < row->c1)
		2001	{
		2002	mapcell *cell = row->col + (x + mx - row->c0);
		2003
		2004	darkness[y * sw4 + x] = cell->darkness
		2005	? 255 - (cell->darkness - 1)
		2006	: 255 - FOW_DARKNESS;
		2007	}
		2008	}
		2009
		2010	if (smoothing)
		2011	{
		2012	SV *darkness2_sv = sv_2mortal (newSV (sw4 * sh));
		2013	uint8_t *darkness2 = (uint8_t *)SvPVX (darkness2_sv);
		2014
		2015	SvPOK_only (darkness2_sv);
		2016	SvCUR_set (darkness2_sv, sw4 * sh);
		2017
		2018	for (y = 0; y < sh; ++y)
		2019	for (x = 0; x < sw4; ++x)
		2020	{
		2021	float *f = (float *)matrix;
		2022	int dx, dy;
		2023	float sum = 0.f;
		2024
		2025	for (dy = -1; dy <= 1; ++dy)
		2026	for (dx = -1; dx <= 1; ++dx)
		2027	{
		2028	unsigned int x2 = x + dx;
		2029	unsigned int y2 = y + dy;
		2030
		2031	sum += (x2 < sw && y2 < sh ? darkness [y2 * sw4 + x2] : 255) * *f++;
		2032	}
		2033
		2034	darkness2 [y * sw4 + x] = sum > 255. ? 255. : sum;
		2035	}
		2036
		2037	darkness_sv = darkness2_sv;
		2038	}
		2039
		2040	EXTEND (SP, 3);
		2041	PUSHs (sv_2mortal (newSViv (sw4)));
		2042	PUSHs (sv_2mortal (newSViv (sh)));
		2043	PUSHs (darkness_sv);
		2044	}
		2045
		2046	SV *
		2047	get_rect (CFPlus::Map self, int x0, int y0, int w, int h)
		2048	CODE:
		2049	{
		2050	int x, y, x1, y1;
		2051	SV *data_sv = newSV (w * h * 7 + 5);
		2052	uint8_t *data = (uint8_t *)SvPVX (data_sv);
		2053
		2054	*data++ = 0; /* version 0 format */
		2055	*data++ = w >> 8; *data++ = w;
		2056	*data++ = h >> 8; *data++ = h;
		2057
		2058	// we need to do this 'cause we don't keep an absolute coord system for rows
		2059	// TODO: treat rows as we treat columns
		2060	map_get_row (self, y0 + self->y - self->oy);//D
		2061	map_get_row (self, y0 + self->y - self->oy + h - 1);//D
		2062
		2063	x0 += self->x - self->ox;
		2064	y0 += self->y - self->oy;
		2065
		2066	x1 = x0 + w;
		2067	y1 = y0 + h;
		2068
		2069	for (y = y0; y < y1; y++)
		2070	{
		2071	maprow *row = 0 <= y && y < self->rows
		2072	? self->row + y
		2073	: 0;
		2074
		2075	for (x = x0; x < x1; x++)
		2076	{
		2077	if (row && row->c0 <= x && x < row->c1)
		2078	{
		2079	mapcell *cell = row->col + (x - row->c0);
		2080	uint8_t flags = 0;
		2081
		2082	if (cell->tile [0]) flags |= 1;
		2083	if (cell->tile [1]) flags |= 2;
		2084	if (cell->tile [2]) flags |= 4;
		2085
		2086	*data++ = flags;
		2087
		2088	if (flags & 1)
		2089	{
		2090	tileid tile = cell->tile [0];
		2091	*data++ = tile >> 8;
		2092	*data++ = tile;
		2093	}
		2094
		2095	if (flags & 2)
		2096	{
		2097	tileid tile = cell->tile [1];
		2098	*data++ = tile >> 8;
		2099	*data++ = tile;
		2100	}
		2101
		2102	if (flags & 4)
		2103	{
		2104	tileid tile = cell->tile [2];
		2105	*data++ = tile >> 8;
		2106	*data++ = tile;
		2107	}
		2108	}
		2109	else
		2110	*data++ = 0;
		2111	}
		2112	}
		2113
		2114	SvPOK_only (data_sv);
		2115	SvCUR_set (data_sv, data - (uint8_t *)SvPVX (data_sv));
		2116	RETVAL = data_sv;
		2117	}
		2118	OUTPUT:
		2119	RETVAL
		2120
		2121	void
		2122	set_rect (CFPlus::Map self, int x0, int y0, uint8_t *data)
		2123	PPCODE:
		2124	{
		2125	int x, y, z;
		2126	int w, h;
		2127	int x1, y1;
		2128
		2129	if (*data++ != 0)
		2130	return; /* version mismatch */
		2131
		2132	w = *data++ << 8; w |= *data++;
		2133	h = *data++ << 8; h |= *data++;
		2134
		2135	// we need to do this 'cause we don't keep an absolute coord system for rows
		2136	// TODO: treat rows as we treat columns
		2137	map_get_row (self, y0 + self->y - self->oy);//D
		2138	map_get_row (self, y0 + self->y - self->oy + h - 1);//D
		2139
		2140	x0 += self->x - self->ox;
		2141	y0 += self->y - self->oy;
		2142
		2143	x1 = x0 + w;
		2144	y1 = y0 + h;
		2145
		2146	for (y = y0; y < y1; y++)
		2147	{
		2148	maprow *row = map_get_row (self, y);
		2149
		2150	for (x = x0; x < x1; x++)
		2151	{
		2152	uint8_t flags = *data++;
		2153
		2154	if (flags)
		2155	{
		2156	mapcell *cell = row_get_cell (row, x);
		2157	tileid tile[3] = { 0, 0, 0 };
		2158
		2159	if (flags & 1) { tile[0] = *data++ << 8; tile[0] |= *data++; }
		2160	if (flags & 2) { tile[1] = *data++ << 8; tile[1] |= *data++; }
		2161	if (flags & 4) { tile[2] = *data++ << 8; tile[2] |= *data++; }
		2162
		2163	if (cell->darkness == 0)
		2164	{
		2165	cell->darkness = 0;
		2166
		2167	for (z = 0; z <= 2; z++)
		2168	{
		2169	tileid t = tile [z];
		2170
		2171	if (t >= self->texs || (t && !self->tex [t].name))
		2172	{
		2173	XPUSHs (sv_2mortal (newSViv (t)));
		2174	need_texid (self, t);
		2175	}
		2176
		2177	cell->tile [z] = t;
		2178	}
		2179	}
		2180	}
		2181	}
		2182	}
		2183	}
		2184
		2185	MODULE = CFPlus PACKAGE = CFPlus::MixChunk
		2186
		2187	CFPlus::MixChunk
		2188	new_from_file (SV *class, char *path)
		2189	CODE:
		2190	RETVAL = Mix_LoadWAV (path);
		2191	OUTPUT:
		2192	RETVAL
		2193
		2194	void
		2195	DESTROY (CFPlus::MixChunk self)
		2196	CODE:
		2197	Mix_FreeChunk (self);
		2198
		2199	int
		2200	volume (CFPlus::MixChunk self, int volume = -1)
		2201	CODE:
		2202	RETVAL = Mix_VolumeChunk (self, volume);
		2203	OUTPUT:
		2204	RETVAL
		2205
		2206	int
		2207	play (CFPlus::MixChunk self, int channel = -1, int loops = 0, int ticks = -1)
		2208	CODE:
		2209	RETVAL = Mix_PlayChannelTimed (channel, self, loops, ticks);
		2210	OUTPUT:
		2211	RETVAL
		2212
		2213	MODULE = CFPlus PACKAGE = CFPlus::MixMusic
		2214
		2215	int
		2216	volume (int volume = -1)
		2217	CODE:
		2218	RETVAL = Mix_VolumeMusic (volume);
		2219	OUTPUT:
		2220	RETVAL
		2221
		2222	int
		2223	fade_out (int ms)
		2224	CODE:
		2225	RETVAL = Mix_FadeOutMusic (ms);
		2226	OUTPUT:
		2227	RETVAL
		2228
		2229	CFPlus::MixMusic
		2230	new_from_file (SV *class, char *path)
		2231	CODE:
		2232	RETVAL = Mix_LoadMUS (path);
		2233	OUTPUT:
		2234	RETVAL
		2235
		2236	void
		2237	DESTROY (CFPlus::MixMusic self)
		2238	CODE:
		2239	Mix_FreeMusic (self);
		2240
		2241	int
		2242	play (CFPlus::MixMusic self, int loops = -1)
		2243	CODE:
		2244	RETVAL = Mix_PlayMusic (self, loops);
		2245	OUTPUT:
		2246	RETVAL
		2247
		2248	int
		2249	fade_in_pos (CFPlus::MixMusic self, int loops, int ms, double position)
		2250	CODE:
		2251	RETVAL = Mix_FadeInMusicPos (self, loops, ms, position);
		2252	OUTPUT:
		2253	RETVAL
		2254
		2255	MODULE = CFPlus PACKAGE = CFPlus::OpenGL
		2256
		2257	BOOT:
		2258	{
		2259	HV *stash = gv_stashpv ("CFPlus::OpenGL", 1);
		2260	static const struct {
		2261	const char *name;
		2262	IV iv;
		2263	} *civ, const_iv[] = {
		2264	# define const_iv(name) { # name, (IV)name }
		2265	const_iv (GL_VENDOR),
		2266	const_iv (GL_VERSION),
		2267	const_iv (GL_EXTENSIONS),
		2268	const_iv (GL_COLOR_MATERIAL),
		2269	const_iv (GL_SMOOTH),
		2270	const_iv (GL_FLAT),
		2271	const_iv (GL_DITHER),
		2272	const_iv (GL_BLEND),
		2273	const_iv (GL_CULL_FACE),
		2274	const_iv (GL_SCISSOR_TEST),
		2275	const_iv (GL_DEPTH_TEST),
		2276	const_iv (GL_ALPHA_TEST),
		2277	const_iv (GL_NORMALIZE),
		2278	const_iv (GL_RESCALE_NORMAL),
		2279	const_iv (GL_FRONT),
		2280	const_iv (GL_BACK),
		2281	const_iv (GL_AND),
		2282	const_iv (GL_ONE),
		2283	const_iv (GL_ZERO),
		2284	const_iv (GL_SRC_ALPHA),
		2285	const_iv (GL_DST_ALPHA),
		2286	const_iv (GL_ONE_MINUS_SRC_ALPHA),
		2287	const_iv (GL_ONE_MINUS_DST_ALPHA),
		2288	const_iv (GL_SRC_ALPHA_SATURATE),
		2289	const_iv (GL_RGB),
		2290	const_iv (GL_RGBA),
		2291	const_iv (GL_RGBA4),
		2292	const_iv (GL_RGBA8),
		2293	const_iv (GL_RGB5_A1),
		2294	const_iv (GL_UNSIGNED_BYTE),
		2295	const_iv (GL_UNSIGNED_SHORT),
		2296	const_iv (GL_UNSIGNED_INT),
		2297	const_iv (GL_ALPHA),
		2298	const_iv (GL_INTENSITY),
		2299	const_iv (GL_LUMINANCE),
		2300	const_iv (GL_LUMINANCE_ALPHA),
		2301	const_iv (GL_FLOAT),
		2302	const_iv (GL_UNSIGNED_INT_8_8_8_8_REV),
		2303	const_iv (GL_COMPILE),
		2304	const_iv (GL_PROXY_TEXTURE_1D),
		2305	const_iv (GL_PROXY_TEXTURE_2D),
		2306	const_iv (GL_TEXTURE_1D),
		2307	const_iv (GL_TEXTURE_2D),
		2308	const_iv (GL_TEXTURE_ENV),
		2309	const_iv (GL_TEXTURE_MAG_FILTER),
		2310	const_iv (GL_TEXTURE_MIN_FILTER),
		2311	const_iv (GL_TEXTURE_ENV_MODE),
		2312	const_iv (GL_TEXTURE_WRAP_S),
		2313	const_iv (GL_TEXTURE_WRAP_T),
		2314	const_iv (GL_REPEAT),
		2315	const_iv (GL_CLAMP),
		2316	const_iv (GL_CLAMP_TO_EDGE),
		2317	const_iv (GL_NEAREST),
		2318	const_iv (GL_LINEAR),
		2319	const_iv (GL_NEAREST_MIPMAP_NEAREST),
		2320	const_iv (GL_LINEAR_MIPMAP_NEAREST),
		2321	const_iv (GL_NEAREST_MIPMAP_LINEAR),
		2322	const_iv (GL_LINEAR_MIPMAP_LINEAR),
		2323	const_iv (GL_GENERATE_MIPMAP),
		2324	const_iv (GL_MODULATE),
		2325	const_iv (GL_DECAL),
		2326	const_iv (GL_REPLACE),
		2327	const_iv (GL_DEPTH_BUFFER_BIT),
		2328	const_iv (GL_COLOR_BUFFER_BIT),
		2329	const_iv (GL_PROJECTION),
		2330	const_iv (GL_MODELVIEW),
		2331	const_iv (GL_COLOR_LOGIC_OP),
		2332	const_iv (GL_SEPARABLE_2D),
		2333	const_iv (GL_CONVOLUTION_2D),
		2334	const_iv (GL_CONVOLUTION_BORDER_MODE),
		2335	const_iv (GL_CONSTANT_BORDER),
		2336	const_iv (GL_LINES),
		2337	const_iv (GL_LINE_STRIP),
		2338	const_iv (GL_LINE_LOOP),
		2339	const_iv (GL_QUADS),
		2340	const_iv (GL_QUAD_STRIP),
		2341	const_iv (GL_TRIANGLES),
		2342	const_iv (GL_TRIANGLE_STRIP),
		2343	const_iv (GL_TRIANGLE_FAN),
		2344	const_iv (GL_PERSPECTIVE_CORRECTION_HINT),
		2345	const_iv (GL_FASTEST),
		2346	const_iv (GL_V2F),
		2347	const_iv (GL_V3F),
		2348	const_iv (GL_T2F_V3F),
		2349	const_iv (GL_T2F_N3F_V3F),
		2350	# undef const_iv
		2351	};
		2352
		2353	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		2354	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		2355
		2356	texture_av = newAV ();
		2357	AvREAL_off (texture_av);
		2358	}
		2359
		2360	char *
		2361	gl_vendor ()
		2362	CODE:
		2363	RETVAL = (char *)glGetString (GL_VENDOR);
		2364	OUTPUT:
		2365	RETVAL
34		2366
35	char *	2367	char *
36	gl_version ()	2368	gl_version ()
37	CODE:	2369	CODE:
38	RETVAL = (char *)glGetString (GL_VERSION);	2370	RETVAL = (char *)glGetString (GL_VERSION);
…		…
44	CODE:	2376	CODE:
45	RETVAL = (char *)glGetString (GL_EXTENSIONS);	2377	RETVAL = (char *)glGetString (GL_EXTENSIONS);
46	OUTPUT:	2378	OUTPUT:
47	RETVAL	2379	RETVAL
48		2380
49	void	2381	const char *glGetString (GLenum pname)
50	set_font (char *file)
51	CODE:
52	{
53	int count;
54	FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
55	FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
56	PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
57	FcPatternDestroy (pattern);
58	pango_context_set_font_description (context, font);
59	}
60		2382
61	void	2383	GLint glGetInteger (GLenum pname)
62	font_render (SV *text_, int height = 10)
63	PPCODE:	2384	CODE:
64	{	2385	glGetIntegerv (pname, &RETVAL);
65	STRLEN textlen;	2386	OUTPUT:
66	char *text = SvPVutf8 (text_, textlen);	2387	RETVAL
67	SV *retval;
68	int w, h;
69	FT_Bitmap bitmap;
70	PangoLayout *layout;
71	PangoFontDescription *font = pango_context_get_font_description (context);
72	pango_font_description_set_absolute_size (font, height * PANGO_SCALE);
73		2388
74	layout = pango_layout_new (context);	2389	GLdouble glGetDouble (GLenum pname)
75	pango_layout_set_markup (layout, text, textlen);	2390	CODE:
76	pango_layout_get_pixel_size (layout, &w, &h);	2391	glGetDoublev (pname, &RETVAL);
		2392	OUTPUT:
		2393	RETVAL
77		2394
78	w = (w + 3) & ~3;	2395	int glGetError ()
79	if (!w) w = 1;
80	if (!h) h = 1;
81		2396
82	retval = newSV (w * h);	2397	void glFinish ()
83	SvPOK_only (retval);
84	SvCUR_set (retval, w * h);
85		2398
86	bitmap.rows = h;	2399	void glClear (int mask)
87	bitmap.width = w;
88	bitmap.pitch = w;
89	bitmap.buffer = (unsigned char*)SvPVX (retval);
90	bitmap.num_grays = 256;
91	bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
92		2400
93	memset (bitmap.buffer, 0, w * h);	2401	void glClearColor (float r, float g, float b, float a = 1.0)
		2402	PROTOTYPE: @
		2403
		2404	void glEnable (int cap)
		2405
		2406	void glDisable (int cap)
		2407
		2408	void glShadeModel (int mode)
		2409
		2410	void glHint (int target, int mode)
		2411
		2412	void glBlendFunc (int sfactor, int dfactor)
		2413
		2414	void glBlendFuncSeparate (int sa, int da, int saa, int daa)
		2415	CODE:
		2416	gl_BlendFuncSeparate (sa, da, saa, daa);
		2417
		2418	void glDepthMask (int flag)
		2419
		2420	void glLogicOp (int opcode)
		2421
		2422	void glColorMask (int red, int green, int blue, int alpha)
		2423
		2424	void glMatrixMode (int mode)
		2425
		2426	void glPushMatrix ()
		2427
		2428	void glPopMatrix ()
		2429
		2430	void glLoadIdentity ()
		2431
		2432	void glDrawBuffer (int buffer)
		2433
		2434	void glReadBuffer (int buffer)
		2435
		2436	# near_ and far_ are due to microsofts buggy "c" compiler
		2437	void glFrustum (double left, double right, double bottom, double top, double near_, double far_)
		2438
		2439	# near_ and far_ are due to microsofts buggy "c" compiler
		2440	void glOrtho (double left, double right, double bottom, double top, double near_, double far_)
		2441
		2442	void glViewport (int x, int y, int width, int height)
		2443
		2444	void glScissor (int x, int y, int width, int height)
		2445
		2446	void glTranslate (float x, float y, float z = 0.)
		2447	CODE:
		2448	glTranslatef (x, y, z);
		2449
		2450	void glScale (float x, float y, float z = 1.)
		2451	CODE:
		2452	glScalef (x, y, z);
		2453
		2454	void glRotate (float angle, float x, float y, float z)
		2455	CODE:
		2456	glRotatef (angle, x, y, z);
		2457
		2458	void glBegin (int mode)
		2459
		2460	void glEnd ()
		2461
		2462	void glColor (float r, float g, float b, float a = 1.0)
		2463	PROTOTYPE: @
		2464	ALIAS:
		2465	glColor_premultiply = 1
		2466	CODE:
		2467	if (ix)
94		2468	{
95	pango_ft2_render_layout (&bitmap, layout, 0 * PANGO_SCALE, 0 * PANGO_SCALE);	2469	r *= a;
96	g_object_unref (layout);	2470	g *= a;
		2471	b *= a;
		2472	}
		2473	// microsoft visual "c" rounds instead of truncating...
		2474	glColor4f (r, g, b, a);
97		2475
98	EXTEND (SP, 3);	2476	void glInterleavedArrays (int format, int stride, char *data)
99	PUSHs (sv_2mortal (newSViv (w)));	2477
100	PUSHs (sv_2mortal (newSViv (h)));	2478	void glDrawElements (int mode, int count, int type, char *indices)
101	PUSHs (sv_2mortal (retval));	2479
102	}	2480	# 1.2 void glDrawRangeElements (int mode, int start, int end
		2481
		2482	void glRasterPos (float x, float y, float z = 0.)
		2483	CODE:
		2484	glRasterPos3f (0, 0, z);
		2485	glBitmap (0, 0, 0, 0, x, y, 0);
		2486
		2487	void glVertex (float x, float y, float z = 0.)
		2488	CODE:
		2489	glVertex3f (x, y, z);
		2490
		2491	void glTexCoord (float s, float t)
		2492	CODE:
		2493	glTexCoord2f (s, t);
		2494
		2495	void glTexEnv (int target, int pname, float param)
		2496	CODE:
		2497	glTexEnvf (target, pname, param);
		2498
		2499	void glTexParameter (int target, int pname, float param)
		2500	CODE:
		2501	glTexParameterf (target, pname, param);
		2502
		2503	void glBindTexture (int target, int name)
		2504
		2505	void glConvolutionParameter (int target, int pname, float params)
		2506	CODE:
		2507	if (gl.ConvolutionParameterf)
		2508	gl.ConvolutionParameterf (target, pname, params);
		2509
		2510	void glConvolutionFilter2D (int target, int internalformat, int width, int height, int format, int type, char *data)
		2511	CODE:
		2512	if (gl.ConvolutionFilter2D)
		2513	gl.ConvolutionFilter2D (target, internalformat, width, height, format, type, data);
		2514
		2515	void glSeparableFilter2D (int target, int internalformat, int width, int height, int format, int type, char *row, char *column)
		2516	CODE:
		2517	if (gl.SeparableFilter2D)
		2518	gl.SeparableFilter2D (target, internalformat, width, height, format, type, row, column);
		2519
		2520	void glTexImage2D (int target, int level, int internalformat, int width, int height, int border, int format, int type, char *data)
		2521
		2522	void glCopyTexImage2D (int target, int level, int internalformat, int x, int y, int width, int height, int border)
		2523
		2524	void glDrawPixels (int width, int height, int format, int type, char *pixels)
		2525
		2526	void glPixelZoom (float x, float y)
		2527
		2528	void glCopyPixels (int x, int y, int width, int height, int type = GL_COLOR)
		2529
		2530	int glGenTexture ()
		2531	CODE:
		2532	RETVAL = gen_texture ();
		2533	OUTPUT:
		2534	RETVAL
		2535
		2536	void glDeleteTexture (int name)
		2537	CODE:
		2538	del_texture (name);
		2539
		2540	int glGenList ()
		2541	CODE:
		2542	RETVAL = glGenLists (1);
		2543	OUTPUT:
		2544	RETVAL
		2545
		2546	void glDeleteList (int list)
		2547	CODE:
		2548	glDeleteLists (list, 1);
		2549
		2550	void glNewList (int list, int mode = GL_COMPILE)
		2551
		2552	void glEndList ()
		2553
		2554	void glCallList (int list)
		2555

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