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

Comparing deliantra/Deliantra-Client/Client.xs (file contents):
Revision 1.198 by root, Sun Jul 15 21:42:02 2007 UTC vs.
Revision 1.238 by root, Sat Nov 3 12:08:43 2007 UTC

…		…
17	#include "perl.h"	17	#include "perl.h"
18	#include "XSUB.h"	18	#include "XSUB.h"
19		19
20	#ifdef _WIN32	20	#ifdef _WIN32
21	# undef pipe	21	# undef pipe
		22	// microsoft vs. C
		23	# define sqrtf(x) sqrt(x)
		24	# define roundf(x) (int)(x)
		25	# define atan2f(x,y) atan2(x,y)
		26	# define M_PI 3.14159265f
22	#endif	27	#endif
23		28
24	#include <assert.h>	29	#include <assert.h>
25	#include <math.h>	30	#include <math.h>
26	#include <string.h>	31	#include <string.h>
27	#include <stdio.h>	32	#include <stdio.h>
28	#include <stdlib.h>	33	#include <stdlib.h>
29		34
		35	#define USE_RWOPS 1 // for SDL_mixer:LoadMUS_RW
		36
30	#include <SDL.h>	37	#include <SDL.h>
		38	#include <SDL_thread.h>
31	#include <SDL_endian.h>	39	#include <SDL_endian.h>
32	#include <SDL_image.h>	40	#include <SDL_image.h>
33	#include <SDL_mixer.h>	41	#include <SDL_mixer.h>
34	#include <SDL_opengl.h>	42	#include <SDL_opengl.h>
35		43
…		…
106	av_push (texture_av, (SV *)(size_t)name);	114	av_push (texture_av, (SV *)(size_t)name);
107	glDeleteTextures (1, &name);	115	glDeleteTextures (1, &name);
108	}	116	}
109		117
110	#include "texcache.c"	118	#include "texcache.c"
		119	#include "rendercache.c"
111		120
112	#include "pango-font.c"	121	#include "pango-font.c"
113	#include "pango-fontmap.c"	122	#include "pango-fontmap.c"
114	#include "pango-render.c"	123	#include "pango-render.c"
115		124
		125	typedef IV CFPlus__Channel;
		126	typedef SDL_RWops *CFPlus__RW;
116	typedef Mix_Chunk *CFPlus__MixChunk;	127	typedef Mix_Chunk *CFPlus__MixChunk;
117	typedef Mix_Music *CFPlus__MixMusic;	128	typedef Mix_Music *CFPlus__MixMusic;
118		129
119	typedef PangoFontDescription *CFPlus__Font;	130	typedef PangoFontDescription *CFPlus__Font;
120		131
…		…
139	typedef struct cf_layout {	150	typedef struct cf_layout {
140	PangoLayout *pl;	151	PangoLayout *pl;
141	float r, g, b, a; // default color for rgba mode	152	float r, g, b, a; // default color for rgba mode
142	int base_height;	153	int base_height;
143	CFPlus__Font font;	154	CFPlus__Font font;
		155	rc_t *rc;
144	} *CFPlus__Layout;	156	} *CFPlus__Layout;
145		157
146	static CFPlus__Font default_font;	158	static CFPlus__Font default_font;
147	static PangoContext *opengl_context;	159	static PangoContext *opengl_context;
148	static PangoFontMap *opengl_fontmap;	160	static PangoFontMap *opengl_fontmap;
…		…
191		203
192	typedef uint16_t tileid;	204	typedef uint16_t tileid;
193	typedef uint16_t faceid;	205	typedef uint16_t faceid;
194		206
195	typedef struct {	207	typedef struct {
196	int name;	208	GLuint name;
197	int w, h;	209	int w, h;
198	float s, t;	210	float s, t;
199	uint8_t r, g, b, a;	211	uint8_t r, g, b, a;
200	tileid smoothtile;	212	tileid smoothtile;
201	uint8_t smoothlevel;	213	uint8_t smoothlevel;
…		…
428	n |= n >> 16;	440	n |= n >> 16;
429		441
430	return n + 1;	442	return n + 1;
431	}	443	}
432		444
		445	static unsigned int
		446	popcount (unsigned int n)
		447	{
		448	n -= (n >> 1) & 0x55555555U;
		449	n = ((n >> 2) & 0x33333333U) + (n & 0x33333333U);
		450	n = ((n >> 4) + n) & 0x0f0f0f0fU;
		451	n *= 0x01010101U;
		452
		453	return n >> 24;
		454	}
		455
433	/* SDL should provide this, really. */	456	/* SDL should provide this, really. */
434	#define SDLK_MODIFIER_MIN 300	457	#define SDLK_MODIFIER_MIN 300
435	#define SDLK_MODIFIER_MAX 314	458	#define SDLK_MODIFIER_MAX 314
		459
		460	/******************************************************************************/
		461
		462	static GV *draw_x_gv, *draw_y_gv, *draw_w_gv, *draw_h_gv;
		463	static GV *hover_gv;
		464
		465	static int
		466	within_widget (SV *widget, NV x, NV y)
		467	{
		468	HV *self;
		469	SV **svp;
		470	NV wx, ww, wy, wh;
		471
		472	if (!SvROK (widget))
		473	return 0;
		474
		475	self = (HV *)SvRV (widget);
		476
		477	if (SvTYPE (self) != SVt_PVHV)
		478	return 0;
		479
		480	svp = hv_fetch (self, "y", 1, 0); wy = svp ? SvNV (*svp) : 0.;
		481	if (y < wy)
		482	return 0;
		483
		484	svp = hv_fetch (self, "h", 1, 0); wh = svp ? SvNV (*svp) : 0.;
		485	if (y >= wy + wh)
		486	return 0;
		487
		488	svp = hv_fetch (self, "x", 1, 0); wx = svp ? SvNV (*svp) : 0.;
		489	if (x < wx)
		490	return 0;
		491
		492	svp = hv_fetch (self, "w", 1, 0); ww = svp ? SvNV (*svp) : 0.;
		493	if (x >= wx + ww)
		494	return 0;
		495
		496	svp = hv_fetch (self, "can_events", sizeof ("can_events") - 1, 0);
		497	if (!svp || !SvTRUE (*svp))
		498	return 0;
		499
		500	return 1;
		501	}
436		502
437	MODULE = CFPlus PACKAGE = CFPlus	503	MODULE = CFPlus PACKAGE = CFPlus
438		504
439	PROTOTYPES: ENABLE	505	PROTOTYPES: ENABLE
440		506
…		…
470		536
471	const_iv (SDL_APPINPUTFOCUS),	537	const_iv (SDL_APPINPUTFOCUS),
472	const_iv (SDL_APPMOUSEFOCUS),	538	const_iv (SDL_APPMOUSEFOCUS),
473	const_iv (SDL_APPACTIVE),	539	const_iv (SDL_APPACTIVE),
474		540
		541	const_iv (SDLK_FIRST),
		542	const_iv (SDLK_LAST),
475	const_iv (SDLK_KP0),	543	const_iv (SDLK_KP0),
476	const_iv (SDLK_KP1),	544	const_iv (SDLK_KP1),
477	const_iv (SDLK_KP2),	545	const_iv (SDLK_KP2),
478	const_iv (SDLK_KP3),	546	const_iv (SDLK_KP3),
479	const_iv (SDLK_KP4),	547	const_iv (SDLK_KP4),
…		…
551	const_iv (KMOD_LMETA),	619	const_iv (KMOD_LMETA),
552	const_iv (KMOD_RMETA),	620	const_iv (KMOD_RMETA),
553	const_iv (KMOD_NUM),	621	const_iv (KMOD_NUM),
554	const_iv (KMOD_CAPS),	622	const_iv (KMOD_CAPS),
555	const_iv (KMOD_MODE),	623	const_iv (KMOD_MODE),
		624
		625	const_iv (MIX_DEFAULT_FORMAT),
556	# undef const_iv	626	# undef const_iv
557	};	627	};
558		628
559	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	629	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
560	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	630	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
…		…
578		648
579	NV floor (NV x)	649	NV floor (NV x)
580		650
581	NV ceil (NV x)	651	NV ceil (NV x)
582		652
		653	IV minpot (UV n)
		654
		655	IV popcount (UV n)
		656
583	void	657	void
584	pango_init ()	658	pango_init ()
585	CODE:	659	CODE:
586	{	660	{
587	opengl_fontmap = pango_opengl_font_map_new ();	661	opengl_fontmap = pango_opengl_font_map_new ();
588	pango_opengl_font_map_set_default_substitute ((PangoOpenGLFontMap *)opengl_fontmap, substitute_func, 0, 0);	662	pango_opengl_font_map_set_default_substitute ((PangoOpenGLFontMap *)opengl_fontmap, substitute_func, 0, 0);
589	opengl_context = pango_opengl_font_map_create_context ((PangoOpenGLFontMap *)opengl_fontmap);	663	opengl_context = pango_opengl_font_map_create_context ((PangoOpenGLFontMap *)opengl_fontmap);
590	}	664	}
591		665
		666	char *
		667	SDL_GetError ()
		668
592	int	669	int
593	SDL_Init (U32 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | PARACHUTE)	670	SDL_Init (U32 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | PARACHUTE)
594		671
595	void	672	void
596	SDL_Quit ()	673	SDL_Quit ()
597		674
598	void	675	void
599	SDL_ListModes ()	676	SDL_ListModes (int rgb, int alpha)
600	PPCODE:	677	PPCODE:
601	{	678	{
602	SDL_Rect **m;	679	SDL_Rect **m;
603		680
604	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 5);	681	SDL_GL_SetAttribute (SDL_GL_RED_SIZE , rgb);
605	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 5);	682	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb);
606	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 5);	683	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE , rgb);
607	SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, 1);	684	SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, alpha);
608		685
609	SDL_GL_SetAttribute (SDL_GL_BUFFER_SIZE, 15);	686	SDL_GL_SetAttribute (SDL_GL_BUFFER_SIZE, 15);
610	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 0);	687	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE , 0);
611		688
612	SDL_GL_SetAttribute (SDL_GL_ACCUM_RED_SIZE, 0);	689	SDL_GL_SetAttribute (SDL_GL_ACCUM_RED_SIZE , 0);
613	SDL_GL_SetAttribute (SDL_GL_ACCUM_GREEN_SIZE, 0);	690	SDL_GL_SetAttribute (SDL_GL_ACCUM_GREEN_SIZE, 0);
614	SDL_GL_SetAttribute (SDL_GL_ACCUM_BLUE_SIZE, 0);	691	SDL_GL_SetAttribute (SDL_GL_ACCUM_BLUE_SIZE , 0);
615	SDL_GL_SetAttribute (SDL_GL_ACCUM_ALPHA_SIZE, 0);	692	SDL_GL_SetAttribute (SDL_GL_ACCUM_ALPHA_SIZE, 0);
616		693
617	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);	694	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
618	#if SDL_VERSION_ATLEAST(1,2,10)	695	#if SDL_VERSION_ATLEAST(1,2,10)
619	SDL_GL_SetAttribute (SDL_GL_ACCELERATED_VISUAL, 1);	696	SDL_GL_SetAttribute (SDL_GL_ACCELERATED_VISUAL, 1);
620	SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 1);	697	SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 1);
621	#endif	698	#endif
622		699
623	SDL_EnableUNICODE (1);
624	SDL_EnableKeyRepeat (SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
625
626	m = SDL_ListModes (0, SDL_FULLSCREEN | SDL_OPENGL);	700	m = SDL_ListModes (0, SDL_FULLSCREEN | SDL_OPENGL);
627		701
628	if (m && m != (SDL_Rect **)-1)	702	if (m && m != (SDL_Rect **)-1)
629	while (*m)	703	while (*m)
630	{	704	{
		705	if ((*m)->w >= 800 && (*m)->h >= 600)
		706	{
631	AV *av = newAV ();	707	AV *av = newAV ();
632	av_push (av, newSViv ((*m)->w));	708	av_push (av, newSViv ((*m)->w));
633	av_push (av, newSViv ((*m)->h));	709	av_push (av, newSViv ((*m)->h));
		710	av_push (av, newSViv (rgb));
		711	av_push (av, newSViv (alpha));
634	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	712	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		713	}
635		714
636	++m;	715	++m;
637	}	716	}
638	}	717	}
639		718
640	char *
641	SDL_GetError ()
642
643	int	719	int
644	SDL_SetVideoMode (int w, int h, int fullscreen)	720	SDL_SetVideoMode (int w, int h, int rgb, int alpha, int fullscreen)
645	CODE:	721	CODE:
		722	{
		723	SDL_EnableUNICODE (1);
		724	SDL_EnableKeyRepeat (SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
		725
		726	SDL_GL_SetAttribute (SDL_GL_RED_SIZE , rgb);
		727	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb);
		728	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE , rgb);
		729	SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, alpha);
		730
646	RETVAL = !!SDL_SetVideoMode (	731	RETVAL = !!SDL_SetVideoMode (
647	w, h, 0, SDL_OPENGL | (fullscreen ? SDL_FULLSCREEN : 0)	732	w, h, 0, SDL_OPENGL | (fullscreen ? SDL_FULLSCREEN : 0)
648	);	733	);
		734
649	if (RETVAL)	735	if (RETVAL)
650	{	736	{
651	av_clear (texture_av);	737	av_clear (texture_av);
652		738
653	SDL_WM_SetCaption ("Crossfire+ Client " VERSION, "Crossfire+");	739	SDL_WM_SetCaption ("Deliantra MORPG Client " VERSION, "Deliantra");
654	# define GL_FUNC(ptr,name) gl.name = (ptr)SDL_GL_GetProcAddress ("gl" # name);	740	#define GL_FUNC(ptr,name) gl.name = (ptr)SDL_GL_GetProcAddress ("gl" # name);
655	# include "glfunc.h"	741	#include "glfunc.h"
656	# undef GL_FUNC	742	#undef GL_FUNC
657
658	}	743	}
		744	}
659	OUTPUT:	745	OUTPUT:
660	RETVAL	746	RETVAL
661		747
662	void	748	void
663	SDL_GL_SwapBuffers ()	749	SDL_GL_SwapBuffers ()
…		…
744	XPUSHs (sv_2mortal (sv_bless (newRV_noinc ((SV *)hv), gv_stashpv ("CFPlus::UI::Event", 1))));	830	XPUSHs (sv_2mortal (sv_bless (newRV_noinc ((SV *)hv), gv_stashpv ("CFPlus::UI::Event", 1))));
745	}	831	}
746	}	832	}
747		833
748	int	834	int
749	Mix_OpenAudio (int frequency = 48000, int format = MIX_DEFAULT_FORMAT, int channels = 1, int chunksize = 2048)	835	Mix_OpenAudio (int frequency = 44100, int format = MIX_DEFAULT_FORMAT, int channels = 2, int chunksize = 4096)
750	POSTCALL:	836	POSTCALL:
751	Mix_HookMusicFinished (music_finished);	837	Mix_HookMusicFinished (music_finished);
752	Mix_ChannelFinished (channel_finished);	838	Mix_ChannelFinished (channel_finished);
753		839
754	void	840	void
		841	Mix_QuerySpec ()
		842	PPCODE:
		843	{
		844	int freq, channels;
		845	Uint16 format;
		846
		847	if (Mix_QuerySpec (&freq, &format, &channels))
		848	{
		849	EXTEND (SP, 3);
		850	PUSHs (sv_2mortal (newSViv (freq)));
		851	PUSHs (sv_2mortal (newSViv (format)));
		852	PUSHs (sv_2mortal (newSViv (channels)));
		853	}
		854	}
		855
		856	void
755	Mix_CloseAudio ()	857	Mix_CloseAudio ()
756		858
757	int	859	int
758	Mix_AllocateChannels (int numchans = -1)	860	Mix_AllocateChannels (int numchans = -1)
		861
		862	const char *
		863	Mix_GetError ()
759		864
760	void	865	void
761	lowdelay (int fd, int val = 1)	866	lowdelay (int fd, int val = 1)
762	CODE:	867	CODE:
763	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (void *)&val, sizeof (val));	868	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (void *)&val, sizeof (val));
…		…
805	STRLEN image_len;	910	STRLEN image_len;
806	char *image = (char *)SvPVbyte (image_, image_len);	911	char *image = (char *)SvPVbyte (image_, image_len);
807	SDL_Surface *surface, *surface2;	912	SDL_Surface *surface, *surface2;
808	SDL_PixelFormat fmt;	913	SDL_PixelFormat fmt;
809	SDL_RWops *rw = ix	914	SDL_RWops *rw = ix
810	? SDL_RWFromFile (image, "r")	915	? SDL_RWFromFile (image, "rb")
811	: SDL_RWFromConstMem (image, image_len);	916	: SDL_RWFromConstMem (image, image_len);
812		917
813	if (!rw)	918	if (!rw)
814	croak ("load_image: %s", SDL_GetError ());	919	croak ("load_image: %s", SDL_GetError ());
815		920
…		…
920	#endif	1025	#endif
921	}	1026	}
922		1027
923	MODULE = CFPlus PACKAGE = CFPlus::Font	1028	MODULE = CFPlus PACKAGE = CFPlus::Font
924		1029
		1030	PROTOTYPES: DISABLE
		1031
925	CFPlus::Font	1032	CFPlus::Font
926	new_from_file (SV *class, char *path, int id = 0)	1033	new_from_file (SV *class, char *path, int id = 0)
927	CODE:	1034	CODE:
928	{	1035	{
929	int count;	1036	int count;
…		…
939	CODE:	1046	CODE:
940	pango_font_description_free (self);	1047	pango_font_description_free (self);
941		1048
942	void	1049	void
943	make_default (CFPlus::Font self)	1050	make_default (CFPlus::Font self)
		1051	PROTOTYPE: $
944	CODE:	1052	CODE:
945	default_font = self;	1053	default_font = self;
946		1054
947	MODULE = CFPlus PACKAGE = CFPlus::Layout	1055	MODULE = CFPlus PACKAGE = CFPlus::Layout
948		1056
		1057	PROTOTYPES: DISABLE
		1058
949	void	1059	void
950	reset_glyph_cache ()	1060	reset_glyph_cache ()
		1061	PROTOTYPE:
951	CODE:	1062	CODE:
952	tc_clear ();	1063	tc_clear ();
953		1064
954	CFPlus::Layout	1065	CFPlus::Layout
955	new (SV *class)	1066	new (SV *class)
…		…
961	RETVAL->g = 1.;	1072	RETVAL->g = 1.;
962	RETVAL->b = 1.;	1073	RETVAL->b = 1.;
963	RETVAL->a = 1.;	1074	RETVAL->a = 1.;
964	RETVAL->base_height = MIN_FONT_HEIGHT;	1075	RETVAL->base_height = MIN_FONT_HEIGHT;
965	RETVAL->font = 0;	1076	RETVAL->font = 0;
		1077	RETVAL->rc = rc_alloc ();
966		1078
967	pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);	1079	pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
968	layout_update_font (RETVAL);	1080	layout_update_font (RETVAL);
969	OUTPUT:	1081	OUTPUT:
970	RETVAL	1082	RETVAL
971		1083
972	void	1084	void
973	DESTROY (CFPlus::Layout self)	1085	DESTROY (CFPlus::Layout self)
974	CODE:	1086	CODE:
975	g_object_unref (self->pl);	1087	g_object_unref (self->pl);
		1088	rc_free (self->rc);
976	Safefree (self);	1089	Safefree (self);
977		1090
978	void	1091	void
979	set_text (CFPlus::Layout self, SV *text_)	1092	set_text (CFPlus::Layout self, SV *text_)
980	CODE:	1093	CODE:
…		…
1232	}	1345	}
1233	}	1346	}
1234		1347
1235	void	1348	void
1236	render (CFPlus::Layout self, float x, float y, int flags = 0)	1349	render (CFPlus::Layout self, float x, float y, int flags = 0)
1237	PPCODE:	1350	CODE:
		1351	rc_clear (self->rc);
1238	pango_opengl_render_layout_subpixel (	1352	pango_opengl_render_layout_subpixel (
1239	self->pl,	1353	self->pl,
		1354	self->rc,
1240	x * PANGO_SCALE, y * PANGO_SCALE,	1355	x * PANGO_SCALE, y * PANGO_SCALE,
1241	self->r, self->g, self->b, self->a,	1356	self->r, self->g, self->b, self->a,
1242	flags	1357	flags
1243	);	1358	);
		1359	// we assume that context_change actually clears/frees stuff
		1360	// and does not do any recomputation...
		1361	pango_layout_context_changed (self->pl);
		1362
		1363	void
		1364	draw (CFPlus::Layout self)
		1365	CODE:
		1366	{
		1367	glEnable (GL_TEXTURE_2D);
		1368	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
		1369	glEnable (GL_BLEND);
		1370	gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
		1371	GL_ONE , GL_ONE_MINUS_SRC_ALPHA);
		1372	glEnable (GL_ALPHA_TEST);
		1373	glAlphaFunc (GL_GREATER, 7.f / 255.f);
		1374
		1375	rc_draw (self->rc);
		1376
		1377	glDisable (GL_ALPHA_TEST);
		1378	glDisable (GL_BLEND);
		1379	glDisable (GL_TEXTURE_2D);
		1380	}
1244		1381
1245	MODULE = CFPlus PACKAGE = CFPlus::Texture	1382	MODULE = CFPlus PACKAGE = CFPlus::Texture
1246		1383
1247	void	1384	PROTOTYPES: ENABLE
1248	pad2pot (SV *data_, SV *w_, SV *h_)
1249	CODE:
1250	{
1251	int ow = SvIV (w_);
1252	int oh = SvIV (h_);
1253		1385
1254	if (ow && oh)	1386	void
		1387	pad (SV *data_, int ow, int oh, int nw, int nh)
		1388	CODE:
		1389	{
		1390	if ((nw != ow || nh != oh) && SvOK (data_))
1255	{	1391	{
1256	int nw = minpot (ow);
1257	int nh = minpot (oh);
1258
1259	if (nw != ow || nh != oh)
1260	{
1261	if (SvOK (data_))
1262	{
1263	STRLEN datalen;	1392	STRLEN datalen;
1264	char *data = SvPVbyte (data_, datalen);	1393	char *data = SvPVbyte (data_, datalen);
1265	int bpp = datalen / (ow * oh);	1394	int bpp = datalen / (ow * oh);
1266	SV *result_ = sv_2mortal (newSV (nw * nh * bpp));	1395	SV *result_ = sv_2mortal (newSV (nw * nh * bpp));
1267		1396
1268	SvPOK_only (result_);	1397	SvPOK_only (result_);
1269	SvCUR_set (result_, nw * nh * bpp);	1398	SvCUR_set (result_, nw * nh * bpp);
1270		1399
1271	memset (SvPVX (result_), 0, nw * nh * bpp);	1400	memset (SvPVX (result_), 0, nw * nh * bpp);
1272	while (oh--)	1401	while (oh--)
1273	memcpy (SvPVX (result_) + oh * nw * bpp, data + oh * ow * bpp, ow * bpp);	1402	memcpy (SvPVX (result_) + oh * nw * bpp, data + oh * ow * bpp, ow * bpp);
1274		1403
1275	sv_setsv (data_, result_);	1404	sv_setsv (data_, result_);
1276	}
1277
1278	sv_setiv (w_, nw);
1279	sv_setiv (h_, nh);
1280	}
1281	}	1405	}
1282	}	1406	}
1283		1407
1284	void	1408	void
1285	draw_quad (SV *self, float x, float y, float w = 0., float h = 0.)	1409	draw_quad (SV *self, float x, float y, float w = 0., float h = 0.)
…		…
1291	{	1415	{
1292	HV *hv = (HV *)SvRV (self);	1416	HV *hv = (HV *)SvRV (self);
1293	float s = SvNV (*hv_fetch (hv, "s", 1, 1));	1417	float s = SvNV (*hv_fetch (hv, "s", 1, 1));
1294	float t = SvNV (*hv_fetch (hv, "t", 1, 1));	1418	float t = SvNV (*hv_fetch (hv, "t", 1, 1));
1295	int name = SvIV (*hv_fetch (hv, "name", 4, 1));	1419	int name = SvIV (*hv_fetch (hv, "name", 4, 1));
		1420
		1421	if (name <= 0)
		1422	XSRETURN_EMPTY;
1296		1423
1297	if (items < 5)	1424	if (items < 5)
1298	{	1425	{
1299	w = SvNV (*hv_fetch (hv, "w", 1, 1));	1426	w = SvNV (*hv_fetch (hv, "w", 1, 1));
1300	h = SvNV (*hv_fetch (hv, "h", 1, 1));	1427	h = SvNV (*hv_fetch (hv, "h", 1, 1));
…		…
1328	glDisable (GL_ALPHA_TEST);	1455	glDisable (GL_ALPHA_TEST);
1329	glDisable (GL_BLEND);	1456	glDisable (GL_BLEND);
1330	}	1457	}
1331	}	1458	}
1332		1459
		1460	IV texture_valid_2d (GLint internalformat, GLsizei w, GLsizei h, GLenum format, GLenum type)
		1461	CODE:
		1462	{
		1463	GLint width;
		1464	glTexImage2D (GL_PROXY_TEXTURE_2D, 0, internalformat, w, h, 0, format, type, 0);
		1465	glGetTexLevelParameteriv (GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
		1466	RETVAL = width > 0;
		1467	}
		1468	OUTPUT:
		1469	RETVAL
		1470
1333	MODULE = CFPlus PACKAGE = CFPlus::Map	1471	MODULE = CFPlus PACKAGE = CFPlus::Map
		1472
		1473	PROTOTYPES: DISABLE
1334		1474
1335	CFPlus::Map	1475	CFPlus::Map
1336	new (SV *class)	1476	new (SV *class)
1337	CODE:	1477	CODE:
1338	New (0, RETVAL, 1, struct map);	1478	New (0, RETVAL, 1, struct map);
…		…
1476	self->rows += MAP_EXTEND_Y;	1616	self->rows += MAP_EXTEND_Y;
1477	self->y += MAP_EXTEND_Y;	1617	self->y += MAP_EXTEND_Y;
1478	}	1618	}
1479	}	1619	}
1480		1620
1481	void	1621	SV *
1482	map1a_update (CFPlus::Map self, SV *data_, int extmap)	1622	map1a_update (CFPlus::Map self, SV *data_, int extmap)
1483	CODE:	1623	CODE:
1484	{	1624	{
1485	uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);	1625	uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);
1486	uint8_t *data_end = (uint8_t *)SvEND (data_);	1626	uint8_t *data_end = (uint8_t *)SvEND (data_);
1487	mapcell *cell;	1627	mapcell *cell;
1488	int x, y, flags;	1628	int x, y, z, flags;
		1629	AV *missing = newAV ();
		1630	RETVAL = newRV_noinc ((SV *)missing);
1489		1631
1490	while (data < data_end - 1)	1632	while (data < data_end - 1)
1491	{	1633	{
1492	flags = (data [0] << 8) + data [1]; data += 2;	1634	flags = (data [0] << 8) + data [1]; data += 2;
1493		1635
…		…
1544	}	1686	}
1545	else	1687	else
1546	cell->darkness = *data++ + 1;	1688	cell->darkness = *data++ + 1;
1547	}	1689	}
1548		1690
		1691	for (z = 0; z <= 2; ++z)
1549	if (flags & 4)	1692	if (flags & (4 >> z))
1550	{	1693	{
1551	faceid face = (data [0] << 8) + data [1]; data += 2;	1694	faceid face = (data [0] << 8) + data [1]; data += 2;
1552	need_facenum (self, face);	1695	need_facenum (self, face);
1553	cell->tile [0] = self->face2tile [face];	1696	cell->tile [z] = self->face2tile [face];
		1697
		1698	if (cell->tile [z])
		1699	{
		1700	maptex *tex = self->tex + cell->tile [z];
		1701	if (!tex->name)
		1702	av_push (missing, newSViv (cell->tile [z]));
		1703
		1704	if (tex->smoothtile)
		1705	{
		1706	maptex *smooth = self->tex + tex->smoothtile;
		1707	if (!smooth->name)
		1708	av_push (missing, newSViv (tex->smoothtile));
		1709	}
		1710	}
1554	}	1711	}
1555
1556	if (flags & 2)
1557	{
1558	faceid face = (data [0] << 8) + data [1]; data += 2;
1559	need_facenum (self, face);
1560	cell->tile [1] = self->face2tile [face];
1561	}
1562
1563	if (flags & 1)
1564	{
1565	faceid face = (data [0] << 8) + data [1]; data += 2;
1566	need_facenum (self, face);
1567	cell->tile [2] = self->face2tile [face];
1568	}
1569	}	1712	}
1570	else	1713	else
1571	cell->darkness = 0;	1714	cell->darkness = 0;
1572	}	1715	}
1573	}	1716	}
		1717	OUTPUT:
		1718	RETVAL
1574		1719
1575	SV *	1720	SV *
1576	mapmap (CFPlus::Map self, int x0, int y0, int w, int h)	1721	mapmap (CFPlus::Map self, int x0, int y0, int w, int h)
1577	CODE:	1722	CODE:
1578	{	1723	{
…		…
1629		1774
1630	void	1775	void
1631	draw (CFPlus::Map self, int mx, int my, int sw, int sh, int T)	1776	draw (CFPlus::Map self, int mx, int my, int sw, int sh, int T)
1632	CODE:	1777	CODE:
1633	{	1778	{
		1779	int x, y, z;
		1780
1634	HV *smooth = (HV *)sv_2mortal ((SV *)newHV ());	1781	HV *smooth = (HV *)sv_2mortal ((SV *)newHV ());
1635	uint32_t smooth_level[256 / 32]; // one bit for every possible smooth level	1782	uint32_t smooth_level[256 / 32]; // one bit for every possible smooth level
1636	static uint8_t smooth_max[256][256]; // egad, fats and wasteful on memory (64k)	1783	static uint8_t smooth_max[256][256]; // egad, fast and wasteful on memory (64k)
1637	smooth_key skey;	1784	smooth_key skey;
1638	int x, y, z;	1785
1639	int last_name;	1786	rc_t *rc = rc_alloc ();
		1787	rc_key_t key;
		1788	rc_array_t *arr;
1640		1789
1641	// thats current max. sorry.	1790	// thats current max. sorry.
1642	if (sw > 255) sw = 255;	1791	if (sw > 255) sw = 255;
1643	if (sh > 255) sh = 255;	1792	if (sh > 255) sh = 255;
1644		1793
1645	// clear key, in case of extra padding	1794	// clear key, in case of extra padding
1646	memset (&skey, 0, sizeof (skey));	1795	memset (&skey, 0, sizeof (skey));
1647		1796
1648	glColor4ub (255, 255, 255, 255);	1797	memset (&key, 0, sizeof (key));
1649		1798	key.r = 255;
1650	glEnable (GL_BLEND);	1799	key.g = 255;
1651	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);	1800	key.b = 255;
1652	glEnable (GL_TEXTURE_2D);	1801	key.a = 255;
1653	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);	1802	key.mode = GL_QUADS;
1654		1803	key.format = GL_T2F_V3F;
1655	glBegin (GL_QUADS);	1804	key.texname = -1;
1656
1657	last_name = 0;
1658		1805
1659	mx += self->x;	1806	mx += self->x;
1660	my += self->y;	1807	my += self->y;
1661		1808
1662	// first pass: determine smooth_max	1809	// first pass: determine smooth_max
…		…
1678	MAX (self->tex [cell->tile [0]].smoothlevel,	1825	MAX (self->tex [cell->tile [0]].smoothlevel,
1679	MAX (self->tex [cell->tile [1]].smoothlevel,	1826	MAX (self->tex [cell->tile [1]].smoothlevel,
1680	self->tex [cell->tile [2]].smoothlevel));	1827	self->tex [cell->tile [2]].smoothlevel));
1681	}	1828	}
1682	}	1829	}
		1830
		1831	glEnable (GL_BLEND);
		1832	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		1833	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
1683		1834
1684	for (z = 0; z <= 2; z++)	1835	for (z = 0; z <= 2; z++)
1685	{	1836	{
1686	memset (smooth_level, 0, sizeof (smooth_level));	1837	memset (smooth_level, 0, sizeof (smooth_level));
1687		1838
…		…
1697	tileid tile = cell->tile [z];	1848	tileid tile = cell->tile [z];
1698		1849
1699	if (tile)	1850	if (tile)
1700	{	1851	{
1701	maptex tex = self->tex [tile];	1852	maptex tex = self->tex [tile];
1702	int px = (x + 1) * T - tex.w;	1853	int px, py;
1703	int py = (y + 1) * T - tex.h;
1704		1854
1705	// suppressing texture state switches here
1706	// is only moderately effective, but worth the extra effort
1707	if (last_name != tex.name)	1855	if (key.texname != tex.name)
1708	{	1856	{
1709	if (!tex.name)	1857	if (!tex.name)
1710	tex = self->tex [2]; /* missing, replace by noface */	1858	tex = self->tex [2]; /* missing, replace by noface */
1711		1859
1712	glEnd ();	1860	key.texname = tex.name;
1713	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);	1861	arr = rc_array (rc, &key);
1714	glBegin (GL_QUADS);
1715	}	1862	}
1716		1863
1717	glTexCoord2f (0 , 0 ); glVertex2f (px , py );	1864	px = (x + 1) * T - tex.w;
		1865	py = (y + 1) * T - tex.h;
		1866
		1867	rc_t2f_v3f (arr, 0 , 0 , px , py , 0);
1718	glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);	1868	rc_t2f_v3f (arr, 0 , tex.t, px , py + tex.h, 0);
1719	glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);	1869	rc_t2f_v3f (arr, tex.s, tex.t, px + tex.w, py + tex.h, 0);
1720	glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );	1870	rc_t2f_v3f (arr, tex.s, 0 , px + tex.w, py , 0);
1721		1871
1722	if (cell->flags && z == 2)	1872	if (cell->flags && z == 2)
1723	{	1873	{
		1874	// overlays such as the speech bubble, probably more to come
1724	if (cell->flags & 1)	1875	if (cell->flags & 1)
1725	{	1876	{
1726	maptex tex = self->tex [1];	1877	maptex tex = self->tex [1];
1727	int px = x * T + T * 2 / 32;	1878	int px = x * T + T * 2 / 32;
1728	int py = y * T - T * 6 / 32;	1879	int py = y * T - T * 6 / 32;
1729		1880
		1881	if (tex.name)
1730	glEnd ();	1882	{
1731	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);	1883	if (key.texname != tex.name)
		1884	{
		1885	key.texname = tex.name;
		1886	arr = rc_array (rc, &key);
		1887	}
		1888
		1889	rc_t2f_v3f (arr, 0 , 0 , px , py , 0);
		1890	rc_t2f_v3f (arr, 0 , tex.t, px , py + T, 0);
		1891	rc_t2f_v3f (arr, tex.s, tex.t, px + T, py + T, 0);
		1892	rc_t2f_v3f (arr, tex.s, 0 , px + T, py , 0);
1732	glBegin (GL_QUADS);	1893	}
1733
1734	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
1735	glTexCoord2f (0 , tex.t); glVertex2f (px , py + T);
1736	glTexCoord2f (tex.s, tex.t); glVertex2f (px + T, py + T);
1737	glTexCoord2f (tex.s, 0 ); glVertex2f (px + T, py );
1738	}	1894	}
1739	}	1895	}
1740		1896
1741	// update smooth hash	1897	// update smooth hash
1742	if (tex.smoothtile)	1898	if (tex.smoothtile)
…		…
1778	}	1934	}
1779	}	1935	}
1780	}	1936	}
1781	}	1937	}
1782		1938
		1939	rc_draw (rc);
		1940	rc_clear (rc);
		1941
1783	// go through all smoothlevels, lowest to highest, then draw.	1942	// go through all smoothlevels, lowest to highest, then draw.
1784	// this is basically counting sort	1943	// this is basically counting sort
1785	{	1944	{
1786	int w, b;	1945	int w, b;
1787		1946
		1947	glEnable (GL_TEXTURE_2D);
		1948	glBegin (GL_QUADS);
1788	for (w = 0; w < 256 / 32; ++w)	1949	for (w = 0; w < 256 / 32; ++w)
1789	{	1950	{
1790	uint32_t smask = smooth_level [w];	1951	uint32_t smask = smooth_level [w];
1791	if (smask)	1952	if (smask)
1792	for (b = 0; b < 32; ++b)	1953	for (b = 0; b < 32; ++b)
…		…
1811	int border = bits & 15;	1972	int border = bits & 15;
1812	int corner = (bits >> 8) & ~(bits >> 4) & 15;	1973	int corner = (bits >> 8) & ~(bits >> 4) & 15;
1813	float dx = tex.s * .0625f; // 16 images/row	1974	float dx = tex.s * .0625f; // 16 images/row
1814	float dy = tex.t * .5f ; // 2 images/column	1975	float dy = tex.t * .5f ; // 2 images/column
1815		1976
1816	// this time naively avoiding texture state changes
1817	// save gobs of state changes.
1818	if (last_name != tex.name)	1977	if (tex.name)
1819	{	1978	{
		1979	// this time avoiding texture state changes
		1980	// save gobs of state changes.
1820	if (!tex.name)	1981	if (key.texname != tex.name)
1821	continue; // smoothing not yet available	1982	{
1822
1823	glEnd ();	1983	glEnd ();
1824	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);	1984	glBindTexture (GL_TEXTURE_2D, key.texname = tex.name);
1825	glBegin (GL_QUADS);	1985	glBegin (GL_QUADS);
1826	}	1986	}
1827		1987
1828	if (border)	1988	if (border)
1829	{	1989	{
1830	float ox = border * dx;	1990	float ox = border * dx;
1831		1991
1832	glTexCoord2f (ox , 0.f ); glVertex2f (px , py );	1992	glTexCoord2f (ox , 0.f ); glVertex2i (px , py );
1833	glTexCoord2f (ox , dy ); glVertex2f (px , py + T);	1993	glTexCoord2f (ox , dy ); glVertex2i (px , py + T);
1834	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py + T);	1994	glTexCoord2f (ox + dx, dy ); glVertex2i (px + T, py + T);
1835	glTexCoord2f (ox + dx, 0.f ); glVertex2f (px + T, py );	1995	glTexCoord2f (ox + dx, 0.f ); glVertex2i (px + T, py );
1836	}	1996	}
1837		1997
1838	if (corner)	1998	if (corner)
1839	{	1999	{
1840	float ox = corner * dx;	2000	float ox = corner * dx;
1841		2001
1842	glTexCoord2f (ox , dy ); glVertex2f (px , py );	2002	glTexCoord2f (ox , dy ); glVertex2i (px , py );
1843	glTexCoord2f (ox , dy * 2.f); glVertex2f (px , py + T);	2003	glTexCoord2f (ox , dy * 2.f); glVertex2i (px , py + T);
1844	glTexCoord2f (ox + dx, dy * 2.f); glVertex2f (px + T, py + T);	2004	glTexCoord2f (ox + dx, dy * 2.f); glVertex2i (px + T, py + T);
1845	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py );	2005	glTexCoord2f (ox + dx, dy ); glVertex2i (px + T, py );
		2006	}
1846	}	2007	}
1847	}	2008	}
1848	}	2009	}
1849	}	2010	}
1850	}	2011	}
		2012
		2013	glEnd ();
		2014	glDisable (GL_TEXTURE_2D);
		2015	key.texname = -1;
1851	}	2016	}
1852		2017
1853	hv_clear (smooth);	2018	hv_clear (smooth);
1854	}	2019	}
1855		2020
1856	glEnd ();
1857
1858	glDisable (GL_TEXTURE_2D);
1859	glDisable (GL_BLEND);	2021	glDisable (GL_BLEND);
		2022	rc_free (rc);
1860		2023
1861	// top layer: overlays such as the health bar	2024	// top layer: overlays such as the health bar
1862	for (y = 0; y < sh; y++)	2025	for (y = 0; y < sh; y++)
1863	if (0 <= y + my && y + my < self->rows)	2026	if (0 <= y + my && y + my < self->rows)
1864	{	2027	{
…		…
1953	void	2116	void
1954	fow_texture (CFPlus::Map self, int mx, int my, int sw, int sh)	2117	fow_texture (CFPlus::Map self, int mx, int my, int sw, int sh)
1955	PPCODE:	2118	PPCODE:
1956	{	2119	{
1957	int x, y;	2120	int x, y;
		2121	int sw1 = sw + 2;
		2122	int sh1 = sh + 2;
		2123	int sh3 = sh * 3;
1958	int sw4 = (sw + 3) & ~3;	2124	int sw34 = (sw * 3 + 3) & ~3;
		2125	uint8_t *darkness1 = (uint8_t *)malloc (sw1 * sh1);
1959	SV *darkness_sv = sv_2mortal (newSV (sw4 * sh));	2126	SV *darkness3_sv = sv_2mortal (newSV (sw34 * sh3));
1960	uint8_t *darkness = (uint8_t *)SvPVX (darkness_sv);	2127	uint8_t *darkness3 = (uint8_t *)SvPVX (darkness3_sv);
1961		2128
1962	memset (darkness, 255, sw4 * sh);
1963	SvPOK_only (darkness_sv);	2129	SvPOK_only (darkness3_sv);
1964	SvCUR_set (darkness_sv, sw4 * sh);	2130	SvCUR_set (darkness3_sv, sw34 * sh3);
1965		2131
1966	mx += self->x;	2132	mx += self->x - 1;
1967	my += self->y;	2133	my += self->y - 1;
1968		2134
		2135	memset (darkness1, 255, sw1 * sh1);
		2136
1969	for (y = 0; y < sh; y++)	2137	for (y = 0; y < sh1; y++)
1970	if (0 <= y + my && y + my < self->rows)	2138	if (0 <= y + my && y + my < self->rows)
1971	{	2139	{
1972	maprow *row = self->row + (y + my);	2140	maprow *row = self->row + (y + my);
1973		2141
1974	for (x = 0; x < sw; x++)	2142	for (x = 0; x < sw1; x++)
1975	if (row->c0 <= x + mx && x + mx < row->c1)	2143	if (row->c0 <= x + mx && x + mx < row->c1)
1976	{	2144	{
1977	mapcell *cell = row->col + (x + mx - row->c0);	2145	mapcell *cell = row->col + (x + mx - row->c0);
1978		2146
1979	darkness[y * sw4 + x] = cell->darkness	2147	darkness1 [y * sw1 + x] = cell->darkness
1980	? 255 - (cell->darkness - 1)	2148	? 255 - (cell->darkness - 1)
1981	: 255 - FOW_DARKNESS;	2149	: 255 - FOW_DARKNESS;
1982	}	2150	}
1983	}	2151	}
1984		2152
		2153	for (y = 0; y < sh; ++y)
		2154	for (x = 0; x < sw; ++x)
		2155	{
		2156	uint8_t d11 = darkness1 [(y ) * sw1 + x ];
		2157	uint8_t d21 = darkness1 [(y ) * sw1 + x + 1];
		2158	uint8_t d31 = darkness1 [(y ) * sw1 + x + 2];
		2159	uint8_t d12 = darkness1 [(y + 1) * sw1 + x ];
		2160	uint8_t d22 = darkness1 [(y + 1) * sw1 + x + 1];
		2161	uint8_t d32 = darkness1 [(y + 1) * sw1 + x + 2];
		2162	uint8_t d13 = darkness1 [(y + 2) * sw1 + x ];
		2163	uint8_t d23 = darkness1 [(y + 2) * sw1 + x + 1];
		2164	uint8_t d33 = darkness1 [(y + 2) * sw1 + x + 2];
		2165
		2166	uint8_t r11 = (d11 + d21 + d12) / 3;
		2167	uint8_t r21 = d21;
		2168	uint8_t r31 = (d21 + d31 + d32) / 3;
		2169
		2170	uint8_t r12 = d12;
		2171	uint8_t r22 = d22;
		2172	uint8_t r32 = d32;
		2173
		2174	uint8_t r13 = (d13 + d23 + d12) / 3;
		2175	uint8_t r23 = d23;
		2176	uint8_t r33 = (d23 + d33 + d32) / 3;
		2177
		2178	darkness3 [(y * 3 ) * sw34 + (x * 3 )] = MAX (d22, r11);
		2179	darkness3 [(y * 3 ) * sw34 + (x * 3 + 1)] = MAX (d22, r21);
		2180	darkness3 [(y * 3 ) * sw34 + (x * 3 + 2)] = MAX (d22, r31);
		2181	darkness3 [(y * 3 + 1) * sw34 + (x * 3 )] = MAX (d22, r12);
		2182	darkness3 [(y * 3 + 1) * sw34 + (x * 3 + 1)] = MAX (d22, r22);
		2183	darkness3 [(y * 3 + 1) * sw34 + (x * 3 + 2)] = MAX (d22, r32);
		2184	darkness3 [(y * 3 + 2) * sw34 + (x * 3 )] = MAX (d22, r13);
		2185	darkness3 [(y * 3 + 2) * sw34 + (x * 3 + 1)] = MAX (d22, r23);
		2186	darkness3 [(y * 3 + 2) * sw34 + (x * 3 + 2)] = MAX (d22, r33);
		2187	}
		2188
		2189	free (darkness1);
		2190
1985	EXTEND (SP, 3);	2191	EXTEND (SP, 3);
1986	PUSHs (sv_2mortal (newSViv (sw4)));	2192	PUSHs (sv_2mortal (newSViv (sw34)));
1987	PUSHs (sv_2mortal (newSViv (sh)));	2193	PUSHs (sv_2mortal (newSViv (sh3)));
1988	PUSHs (darkness_sv);	2194	PUSHs (darkness3_sv);
1989	}	2195	}
1990		2196
1991	SV *	2197	SV *
1992	get_rect (CFPlus::Map self, int x0, int y0, int w, int h)	2198	get_rect (CFPlus::Map self, int x0, int y0, int w, int h)
1993	CODE:	2199	CODE:
…		…
2070	int x, y, z;	2276	int x, y, z;
2071	int w, h;	2277	int w, h;
2072	int x1, y1;	2278	int x1, y1;
2073		2279
2074	if (*data++ != 0)	2280	if (*data++ != 0)
2075	return; /* version mismatch */	2281	XSRETURN_EMPTY; /* version mismatch */
2076		2282
2077	w = *data++ << 8; w |= *data++;	2283	w = *data++ << 8; w |= *data++;
2078	h = *data++ << 8; h |= *data++;	2284	h = *data++ << 8; h |= *data++;
2079		2285
2080	// we need to do this 'cause we don't keep an absolute coord system for rows	2286	// we need to do this 'cause we don't keep an absolute coord system for rows
…		…
2125	}	2331	}
2126	}	2332	}
2127	}	2333	}
2128	}	2334	}
2129		2335
		2336	MODULE = CFPlus PACKAGE = CFPlus::RW
		2337
		2338	CFPlus::RW
		2339	new (SV *class, SV *data_sv)
		2340	CODE:
		2341	{
		2342	STRLEN datalen;
		2343	char *data = SvPVbyte (data_sv, datalen);
		2344
		2345	RETVAL = SDL_RWFromConstMem (data, datalen);
		2346	}
		2347	OUTPUT:
		2348	RETVAL
		2349
		2350	CFPlus::RW
		2351	new_from_file (SV *class, const char *path, const char *mode = "rb")
		2352	CODE:
		2353	RETVAL = SDL_RWFromFile (path, mode);
		2354	OUTPUT:
		2355	RETVAL
		2356
		2357	# fails on win32:
		2358	# CFPlus.xs(2268) : error C2059: syntax error : '('
		2359	#void
		2360	#close (CFPlus::RW self)
		2361	# CODE:
		2362	# (self->(close)) (self);
		2363
		2364	MODULE = CFPlus PACKAGE = CFPlus::Channel
		2365
		2366	PROTOTYPES: DISABLE
		2367
		2368	CFPlus::Channel
		2369	find ()
		2370	CODE:
		2371	{
		2372	RETVAL = Mix_GroupAvailable (-1);
		2373
		2374	if (RETVAL < 0)
		2375	{
		2376	RETVAL = Mix_GroupOldest (-1);
		2377
		2378	if (RETVAL < 0)
		2379	XSRETURN_UNDEF;
		2380
		2381	Mix_HaltChannel (RETVAL);
		2382	}
		2383
		2384	Mix_UnregisterAllEffects (RETVAL);
		2385	Mix_Volume (RETVAL, 128);
		2386	}
		2387	OUTPUT:
		2388	RETVAL
		2389
		2390	void
		2391	halt (CFPlus::Channel self)
		2392	CODE:
		2393	Mix_HaltChannel (self);
		2394
		2395	void
		2396	expire (CFPlus::Channel self, int ticks = -1)
		2397	CODE:
		2398	Mix_ExpireChannel (self, ticks);
		2399
		2400	void
		2401	fade_out (CFPlus::Channel self, int ticks = -1)
		2402	CODE:
		2403	Mix_FadeOutChannel (self, ticks);
		2404
		2405	int
		2406	volume (CFPlus::Channel self, int volume)
		2407	CODE:
		2408	RETVAL = Mix_Volume (self, CLAMP (volume, 0, 128));
		2409	OUTPUT:
		2410	RETVAL
		2411
		2412	void
		2413	unregister_all_effects (CFPlus::Channel self)
		2414	CODE:
		2415	Mix_UnregisterAllEffects (self);
		2416
		2417	void
		2418	set_panning (CFPlus::Channel self, int left, int right)
		2419	CODE:
		2420	left = CLAMP (left , 0, 255);
		2421	right = CLAMP (right, 0, 255);
		2422	Mix_SetPanning (self, left, right);
		2423
		2424	void
		2425	set_distance (CFPlus::Channel self, int distance)
		2426	CODE:
		2427	Mix_SetDistance (self, CLAMP (distance, 0, 255));
		2428
		2429	void
		2430	set_position (CFPlus::Channel self, int angle, int distance)
		2431	CODE:
		2432
		2433	void
		2434	set_position_r (CFPlus::Channel self, int dx, int dy, int maxdistance)
		2435	CODE:
		2436	{
		2437	int distance = sqrtf (dx * dx + dy * dy) * (255.f / sqrtf (maxdistance * maxdistance));
		2438	int angle = 360 + (int)roundf (atan2f (dx, -dy) * 180.f / (float)M_PI);
		2439	Mix_SetPosition (self, angle, CLAMP (distance, 0, 255));
		2440	}
		2441
		2442	void
		2443	set_reverse_stereo (CFPlus::Channel self, int flip)
		2444	CODE:
		2445	Mix_SetReverseStereo (self, flip);
		2446
2130	MODULE = CFPlus PACKAGE = CFPlus::MixChunk	2447	MODULE = CFPlus PACKAGE = CFPlus::MixChunk
2131		2448
		2449	PROTOTYPES: DISABLE
		2450
2132	CFPlus::MixChunk	2451	CFPlus::MixChunk
2133	new_from_file (SV *class, char *path)	2452	new (SV *class, CFPlus::RW rwops)
2134	CODE:	2453	CODE:
2135	RETVAL = Mix_LoadWAV (path);	2454	RETVAL = Mix_LoadWAV_RW (rwops, 1);
2136	OUTPUT:	2455	OUTPUT:
2137	RETVAL	2456	RETVAL
2138		2457
2139	void	2458	void
2140	DESTROY (CFPlus::MixChunk self)	2459	DESTROY (CFPlus::MixChunk self)
…		…
2142	Mix_FreeChunk (self);	2461	Mix_FreeChunk (self);
2143		2462
2144	int	2463	int
2145	volume (CFPlus::MixChunk self, int volume = -1)	2464	volume (CFPlus::MixChunk self, int volume = -1)
2146	CODE:	2465	CODE:
		2466	if (items > 1)
		2467	volume = CLAMP (volume, 0, 128);
2147	RETVAL = Mix_VolumeChunk (self, volume);	2468	RETVAL = Mix_VolumeChunk (self, volume);
2148	OUTPUT:	2469	OUTPUT:
2149	RETVAL	2470	RETVAL
2150		2471
2151	int	2472	CFPlus::Channel
2152	play (CFPlus::MixChunk self, int channel = -1, int loops = 0, int ticks = -1)	2473	play (CFPlus::MixChunk self, CFPlus::Channel channel = -1, int loops = 0, int ticks = -1)
2153	CODE:	2474	CODE:
		2475	{
2154	RETVAL = Mix_PlayChannelTimed (channel, self, loops, ticks);	2476	RETVAL = Mix_PlayChannelTimed (channel, self, loops, ticks);
		2477
		2478	if (RETVAL < 0)
		2479	XSRETURN_UNDEF;
		2480
		2481	if (channel < 0)
		2482	{
		2483	Mix_UnregisterAllEffects (RETVAL);
		2484	Mix_Volume (RETVAL, 128);
		2485	}
		2486	}
2155	OUTPUT:	2487	OUTPUT:
2156	RETVAL	2488	RETVAL
2157		2489
2158	MODULE = CFPlus PACKAGE = CFPlus::MixMusic	2490	MODULE = CFPlus PACKAGE = CFPlus::MixMusic
2159		2491
2160	int	2492	int
2161	volume (int volume = -1)	2493	volume (int volume = -1)
		2494	PROTOTYPE: ;$
2162	CODE:	2495	CODE:
		2496	if (items > 0)
		2497	volume = CLAMP (volume, 0, 128);
2163	RETVAL = Mix_VolumeMusic (volume);	2498	RETVAL = Mix_VolumeMusic (volume);
2164	OUTPUT:	2499	OUTPUT:
2165	RETVAL	2500	RETVAL
2166		2501
2167	int	2502	void
2168	fade_out (int ms)	2503	fade_out (int ms)
2169	CODE:	2504	CODE:
2170	RETVAL = Mix_FadeOutMusic (ms);	2505	Mix_FadeOutMusic (ms);
2171	OUTPUT:	2506
2172	RETVAL	2507	void
		2508	halt ()
		2509	CODE:
		2510	Mix_HaltMusic ();
2173		2511
2174	CFPlus::MixMusic	2512	CFPlus::MixMusic
2175	new_from_file (SV *class, char *path)	2513	new (SV *class, CFPlus::RW rwops)
2176	CODE:	2514	CODE:
2177	RETVAL = Mix_LoadMUS (path);	2515	RETVAL = Mix_LoadMUS_RW (rwops);
2178	OUTPUT:	2516	OUTPUT:
2179	RETVAL	2517	RETVAL
2180		2518
2181	void	2519	void
2182	DESTROY (CFPlus::MixMusic self)	2520	DESTROY (CFPlus::MixMusic self)
…		…
2188	CODE:	2526	CODE:
2189	RETVAL = Mix_PlayMusic (self, loops);	2527	RETVAL = Mix_PlayMusic (self, loops);
2190	OUTPUT:	2528	OUTPUT:
2191	RETVAL	2529	RETVAL
2192		2530
2193	int	2531	void
2194	fade_in_pos (CFPlus::MixMusic self, int loops, int ms, double position)	2532	fade_in_pos (CFPlus::MixMusic self, int loops, int ms, double position)
2195	CODE:	2533	CODE:
2196	RETVAL = Mix_FadeInMusicPos (self, loops, ms, position);	2534	Mix_FadeInMusicPos (self, loops, ms, position);
2197	OUTPUT:
2198	RETVAL
2199		2535
2200	MODULE = CFPlus PACKAGE = CFPlus::OpenGL	2536	MODULE = CFPlus PACKAGE = CFPlus::OpenGL
		2537
		2538	PROTOTYPES: ENABLE
2201		2539
2202	BOOT:	2540	BOOT:
2203	{	2541	{
2204	HV *stash = gv_stashpv ("CFPlus::OpenGL", 1);	2542	HV *stash = gv_stashpv ("CFPlus::OpenGL", 1);
2205	static const struct {	2543	static const struct {
2206	const char *name;	2544	const char *name;
2207	IV iv;	2545	IV iv;
2208	} *civ, const_iv[] = {	2546	} *civ, const_iv[] = {
2209	# define const_iv(name) { # name, (IV)name }	2547	# define const_iv(name) { # name, (IV)name }
		2548	const_iv (GL_VENDOR),
		2549	const_iv (GL_VERSION),
		2550	const_iv (GL_EXTENSIONS),
2210	const_iv (GL_COLOR_MATERIAL),	2551	const_iv (GL_COLOR_MATERIAL),
2211	const_iv (GL_SMOOTH),	2552	const_iv (GL_SMOOTH),
2212	const_iv (GL_FLAT),	2553	const_iv (GL_FLAT),
2213	const_iv (GL_DITHER),	2554	const_iv (GL_DITHER),
2214	const_iv (GL_BLEND),	2555	const_iv (GL_BLEND),
…		…
2218	const_iv (GL_ALPHA_TEST),	2559	const_iv (GL_ALPHA_TEST),
2219	const_iv (GL_NORMALIZE),	2560	const_iv (GL_NORMALIZE),
2220	const_iv (GL_RESCALE_NORMAL),	2561	const_iv (GL_RESCALE_NORMAL),
2221	const_iv (GL_FRONT),	2562	const_iv (GL_FRONT),
2222	const_iv (GL_BACK),	2563	const_iv (GL_BACK),
		2564	const_iv (GL_AUX0),
2223	const_iv (GL_AND),	2565	const_iv (GL_AND),
2224	const_iv (GL_ONE),	2566	const_iv (GL_ONE),
2225	const_iv (GL_ZERO),	2567	const_iv (GL_ZERO),
2226	const_iv (GL_SRC_ALPHA),	2568	const_iv (GL_SRC_ALPHA),
2227	const_iv (GL_DST_ALPHA),	2569	const_iv (GL_DST_ALPHA),
…		…
2240	const_iv (GL_INTENSITY),	2582	const_iv (GL_INTENSITY),
2241	const_iv (GL_LUMINANCE),	2583	const_iv (GL_LUMINANCE),
2242	const_iv (GL_LUMINANCE_ALPHA),	2584	const_iv (GL_LUMINANCE_ALPHA),
2243	const_iv (GL_FLOAT),	2585	const_iv (GL_FLOAT),
2244	const_iv (GL_UNSIGNED_INT_8_8_8_8_REV),	2586	const_iv (GL_UNSIGNED_INT_8_8_8_8_REV),
		2587	const_iv (GL_COMPRESSED_ALPHA_ARB),
		2588	const_iv (GL_COMPRESSED_LUMINANCE_ARB),
		2589	const_iv (GL_COMPRESSED_LUMINANCE_ALPHA_ARB),
		2590	const_iv (GL_COMPRESSED_INTENSITY_ARB),
		2591	const_iv (GL_COMPRESSED_RGB_ARB),
		2592	const_iv (GL_COMPRESSED_RGBA_ARB),
2245	const_iv (GL_COMPILE),	2593	const_iv (GL_COMPILE),
		2594	const_iv (GL_PROXY_TEXTURE_1D),
		2595	const_iv (GL_PROXY_TEXTURE_2D),
2246	const_iv (GL_TEXTURE_1D),	2596	const_iv (GL_TEXTURE_1D),
2247	const_iv (GL_TEXTURE_2D),	2597	const_iv (GL_TEXTURE_2D),
2248	const_iv (GL_TEXTURE_ENV),	2598	const_iv (GL_TEXTURE_ENV),
2249	const_iv (GL_TEXTURE_MAG_FILTER),	2599	const_iv (GL_TEXTURE_MAG_FILTER),
2250	const_iv (GL_TEXTURE_MIN_FILTER),	2600	const_iv (GL_TEXTURE_MIN_FILTER),
…		…
2271	const_iv (GL_COLOR_LOGIC_OP),	2621	const_iv (GL_COLOR_LOGIC_OP),
2272	const_iv (GL_SEPARABLE_2D),	2622	const_iv (GL_SEPARABLE_2D),
2273	const_iv (GL_CONVOLUTION_2D),	2623	const_iv (GL_CONVOLUTION_2D),
2274	const_iv (GL_CONVOLUTION_BORDER_MODE),	2624	const_iv (GL_CONVOLUTION_BORDER_MODE),
2275	const_iv (GL_CONSTANT_BORDER),	2625	const_iv (GL_CONSTANT_BORDER),
		2626	const_iv (GL_POINTS),
2276	const_iv (GL_LINES),	2627	const_iv (GL_LINES),
2277	const_iv (GL_LINE_STRIP),	2628	const_iv (GL_LINE_STRIP),
2278	const_iv (GL_LINE_LOOP),	2629	const_iv (GL_LINE_LOOP),
2279	const_iv (GL_QUADS),	2630	const_iv (GL_QUADS),
2280	const_iv (GL_QUAD_STRIP),	2631	const_iv (GL_QUAD_STRIP),
2281	const_iv (GL_TRIANGLES),	2632	const_iv (GL_TRIANGLES),
2282	const_iv (GL_TRIANGLE_STRIP),	2633	const_iv (GL_TRIANGLE_STRIP),
2283	const_iv (GL_TRIANGLE_FAN),	2634	const_iv (GL_TRIANGLE_FAN),
		2635	const_iv (GL_POLYGON),
2284	const_iv (GL_PERSPECTIVE_CORRECTION_HINT),	2636	const_iv (GL_PERSPECTIVE_CORRECTION_HINT),
		2637	const_iv (GL_POINT_SMOOTH_HINT),
		2638	const_iv (GL_LINE_SMOOTH_HINT),
		2639	const_iv (GL_POLYGON_SMOOTH_HINT),
		2640	const_iv (GL_GENERATE_MIPMAP_HINT),
		2641	const_iv (GL_TEXTURE_COMPRESSION_HINT),
2285	const_iv (GL_FASTEST),	2642	const_iv (GL_FASTEST),
		2643	const_iv (GL_DONT_CARE),
		2644	const_iv (GL_NICEST),
2286	const_iv (GL_V2F),	2645	const_iv (GL_V2F),
2287	const_iv (GL_V3F),	2646	const_iv (GL_V3F),
2288	const_iv (GL_T2F_V3F),	2647	const_iv (GL_T2F_V3F),
2289	const_iv (GL_T2F_N3F_V3F),	2648	const_iv (GL_T2F_N3F_V3F),
2290	# undef const_iv	2649	# undef const_iv
…		…
2295		2654
2296	texture_av = newAV ();	2655	texture_av = newAV ();
2297	AvREAL_off (texture_av);	2656	AvREAL_off (texture_av);
2298	}	2657	}
2299		2658
		2659	void
		2660	disable_GL_EXT_blend_func_separate ()
		2661	CODE:
		2662	gl.BlendFuncSeparate = 0;
		2663	gl.BlendFuncSeparateEXT = 0;
		2664
2300	char *	2665	char *
2301	gl_vendor ()	2666	gl_vendor ()
2302	CODE:	2667	CODE:
2303	RETVAL = (char *)glGetString (GL_VENDOR);	2668	RETVAL = (char *)glGetString (GL_VENDOR);
2304	OUTPUT:	2669	OUTPUT:
…		…
2316	CODE:	2681	CODE:
2317	RETVAL = (char *)glGetString (GL_EXTENSIONS);	2682	RETVAL = (char *)glGetString (GL_EXTENSIONS);
2318	OUTPUT:	2683	OUTPUT:
2319	RETVAL	2684	RETVAL
2320		2685
		2686	const char *glGetString (GLenum pname)
		2687
		2688	GLint glGetInteger (GLenum pname)
		2689	CODE:
		2690	glGetIntegerv (pname, &RETVAL);
		2691	OUTPUT:
		2692	RETVAL
		2693
		2694	GLdouble glGetDouble (GLenum pname)
		2695	CODE:
		2696	glGetDoublev (pname, &RETVAL);
		2697	OUTPUT:
		2698	RETVAL
		2699
2321	int glGetError ()	2700	int glGetError ()
2322		2701
2323	void glFinish ()	2702	void glFinish ()
2324		2703
2325	void glClear (int mask)	2704	void glClear (int mask)
…		…
2362	# near_ and far_ are due to microsofts buggy "c" compiler	2741	# near_ and far_ are due to microsofts buggy "c" compiler
2363	void glFrustum (double left, double right, double bottom, double top, double near_, double far_)	2742	void glFrustum (double left, double right, double bottom, double top, double near_, double far_)
2364		2743
2365	# near_ and far_ are due to microsofts buggy "c" compiler	2744	# near_ and far_ are due to microsofts buggy "c" compiler
2366	void glOrtho (double left, double right, double bottom, double top, double near_, double far_)	2745	void glOrtho (double left, double right, double bottom, double top, double near_, double far_)
		2746
		2747	PROTOTYPES: DISABLE
2367		2748
2368	void glViewport (int x, int y, int width, int height)	2749	void glViewport (int x, int y, int width, int height)
2369		2750
2370	void glScissor (int x, int y, int width, int height)	2751	void glScissor (int x, int y, int width, int height)
2371		2752
…		…
2379		2760
2380	void glRotate (float angle, float x, float y, float z)	2761	void glRotate (float angle, float x, float y, float z)
2381	CODE:	2762	CODE:
2382	glRotatef (angle, x, y, z);	2763	glRotatef (angle, x, y, z);
2383		2764
2384	void glBegin (int mode)
2385
2386	void glEnd ()
2387
2388	void glColor (float r, float g, float b, float a = 1.0)	2765	void glColor (float r, float g, float b, float a = 1.0)
2389	PROTOTYPE: @
2390	ALIAS:	2766	ALIAS:
2391	glColor_premultiply = 1	2767	glColor_premultiply = 1
2392	CODE:	2768	CODE:
2393	if (ix)	2769	if (ix)
2394	{	2770	{
…		…
2397	b *= a;	2773	b *= a;
2398	}	2774	}
2399	// microsoft visual "c" rounds instead of truncating...	2775	// microsoft visual "c" rounds instead of truncating...
2400	glColor4f (r, g, b, a);	2776	glColor4f (r, g, b, a);
2401		2777
2402	void glInterleavedArrays (int format, int stride, char *data)
2403
2404	void glDrawElements (int mode, int count, int type, char *indices)
2405
2406	# 1.2 void glDrawRangeElements (int mode, int start, int end
2407
2408	void glRasterPos (float x, float y, float z = 0.)	2778	void glRasterPos (float x, float y, float z = 0.)
2409	CODE:	2779	CODE:
2410	glRasterPos3f (0, 0, z);	2780	glRasterPos3f (0, 0, z);
2411	glBitmap (0, 0, 0, 0, x, y, 0);	2781	glBitmap (0, 0, 0, 0, x, y, 0);
2412		2782
…		…
2416		2786
2417	void glTexCoord (float s, float t)	2787	void glTexCoord (float s, float t)
2418	CODE:	2788	CODE:
2419	glTexCoord2f (s, t);	2789	glTexCoord2f (s, t);
2420		2790
		2791	void glRect (float x1, float y1, float x2, float y2)
		2792	CODE:
		2793	glRectf (x1, y1, x2, y2);
		2794
		2795	void glRect_lineloop (float x1, float y1, float x2, float y2)
		2796	CODE:
		2797	glBegin (GL_LINE_LOOP);
		2798	glVertex2f (x1, y1);
		2799	glVertex2f (x2, y1);
		2800	glVertex2f (x2, y2);
		2801	glVertex2f (x1, y2);
		2802	glEnd ();
		2803
		2804	PROTOTYPES: ENABLE
		2805
		2806	void glBegin (int mode)
		2807
		2808	void glEnd ()
		2809
		2810	void glPointSize (GLfloat size)
		2811
		2812	void glLineWidth (GLfloat width)
		2813
		2814	void glInterleavedArrays (int format, int stride, char *data)
		2815
		2816	void glDrawElements (int mode, int count, int type, char *indices)
		2817
		2818	# 1.2 void glDrawRangeElements (int mode, int start, int end
		2819
2421	void glTexEnv (int target, int pname, float param)	2820	void glTexEnv (int target, int pname, float param)
2422	CODE:	2821	CODE:
2423	glTexEnvf (target, pname, param);	2822	glTexEnvf (target, pname, param);
2424		2823
2425	void glTexParameter (int target, int pname, float param)	2824	void glTexParameter (int target, int pname, float param)
…		…
2446	void glTexImage2D (int target, int level, int internalformat, int width, int height, int border, int format, int type, char *data)	2845	void glTexImage2D (int target, int level, int internalformat, int width, int height, int border, int format, int type, char *data)
2447		2846
2448	void glCopyTexImage2D (int target, int level, int internalformat, int x, int y, int width, int height, int border)	2847	void glCopyTexImage2D (int target, int level, int internalformat, int x, int y, int width, int height, int border)
2449		2848
2450	void glDrawPixels (int width, int height, int format, int type, char *pixels)	2849	void glDrawPixels (int width, int height, int format, int type, char *pixels)
		2850
		2851	void glPixelZoom (float x, float y)
2451		2852
2452	void glCopyPixels (int x, int y, int width, int height, int type = GL_COLOR)	2853	void glCopyPixels (int x, int y, int width, int height, int type = GL_COLOR)
2453		2854
2454	int glGenTexture ()	2855	int glGenTexture ()
2455	CODE:	2856	CODE:
…		…
2475		2876
2476	void glEndList ()	2877	void glEndList ()
2477		2878
2478	void glCallList (int list)	2879	void glCallList (int list)
2479		2880
		2881	MODULE = CFPlus PACKAGE = CFPlus::UI::Base
		2882
		2883	PROTOTYPES: DISABLE
		2884
		2885	void
		2886	find_widget (SV *self, NV x, NV y)
		2887	PPCODE:
		2888	{
		2889	if (within_widget (self, x, y))
		2890	XPUSHs (self);
		2891	}
		2892
		2893	BOOT:
		2894	{
		2895	hover_gv = gv_fetchpv ("CFPlus::UI::HOVER", 1, SVt_NV);
		2896
		2897	draw_x_gv = gv_fetchpv ("CFPlus::UI::Base::draw_x", 1, SVt_NV);
		2898	draw_y_gv = gv_fetchpv ("CFPlus::UI::Base::draw_y", 1, SVt_NV);
		2899	draw_w_gv = gv_fetchpv ("CFPlus::UI::Base::draw_w", 1, SVt_NV);
		2900	draw_h_gv = gv_fetchpv ("CFPlus::UI::Base::draw_h", 1, SVt_NV);
		2901	}
		2902
		2903	void
		2904	draw (SV *self)
		2905	CODE:
		2906	{
		2907	HV *hv;
		2908	SV **svp;
		2909	NV x, y, w, h;
		2910	SV *draw_x_sv = GvSV (draw_x_gv);
		2911	SV *draw_y_sv = GvSV (draw_y_gv);
		2912	SV *draw_w_sv = GvSV (draw_w_gv);
		2913	SV *draw_h_sv = GvSV (draw_h_gv);
		2914	double draw_x, draw_y;
		2915
		2916	if (!SvROK (self))
		2917	croak ("CFPlus::Base::draw: %s not a reference", SvPV_nolen (self));
		2918
		2919	hv = (HV *)SvRV (self);
		2920
		2921	if (SvTYPE (hv) != SVt_PVHV)
		2922	croak ("CFPlus::Base::draw: %s not a hashref", SvPV_nolen (self));
		2923
		2924	svp = hv_fetch (hv, "w", 1, 0); w = svp ? SvNV (*svp) : 0.;
		2925	svp = hv_fetch (hv, "h", 1, 0); h = svp ? SvNV (*svp) : 0.;
		2926
		2927	if (!h || !w)
		2928	XSRETURN_EMPTY;
		2929
		2930	svp = hv_fetch (hv, "x", 1, 0); x = svp ? SvNV (*svp) : 0.;
		2931	svp = hv_fetch (hv, "y", 1, 0); y = svp ? SvNV (*svp) : 0.;
		2932
		2933	draw_x = SvNV (draw_x_sv) + x;
		2934	draw_y = SvNV (draw_y_sv) + y;
		2935
		2936	if (draw_x + w < 0 || draw_x >= SvNV (draw_w_sv)
		2937	|| draw_y + h < 0 || draw_y >= SvNV (draw_h_sv))
		2938	XSRETURN_EMPTY;
		2939
		2940	sv_setnv (draw_x_sv, draw_x);
		2941	sv_setnv (draw_y_sv, draw_y);
		2942
		2943	glPushMatrix ();
		2944	glTranslated (x, y, 0);
		2945
		2946	if (SvROK (GvSV (hover_gv)) && SvRV (GvSV (hover_gv)) == (SV *)hv)
		2947	{
		2948	svp = hv_fetch (hv, "can_hover", sizeof ("can_hover") - 1, 0);
		2949
		2950	if (svp && SvTRUE (*svp))
		2951	{
		2952	glColor4f (1.0f * 0.2f, 0.8f * 0.2f, 0.5f * 0.2f, 0.2f);
		2953	glEnable (GL_BLEND);
		2954	glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
		2955	glBegin (GL_QUADS);
		2956	glVertex2f (0, 0);
		2957	glVertex2f (w, 0);
		2958	glVertex2f (w, h);
		2959	glVertex2f (0, h);
		2960	glEnd ();
		2961	glDisable (GL_BLEND);
		2962	}
		2963	}
		2964	#if 0
		2965	// draw borders, for debugging
		2966	glPushMatrix ();
		2967	glColor4f (1., 1., 0., 1.);
		2968	glTranslatef (.5, .5, 0.);
		2969	glBegin (GL_LINE_LOOP);
		2970	glVertex2f (0 , 0);
		2971	glVertex2f (w - 1, 0);
		2972	glVertex2f (w - 1, h - 1);
		2973	glVertex2f (0 , h - 1);
		2974	glEnd ();
		2975	glPopMatrix ();
		2976	#endif
		2977	PUSHMARK (SP);
		2978	XPUSHs (self);
		2979	PUTBACK;
		2980	call_method ("_draw", G_VOID | G_DISCARD);
		2981	SPAGAIN;
		2982
		2983	glPopMatrix ();
		2984
		2985	draw_x = draw_x - x; sv_setnv (draw_x_sv, draw_x);
		2986	draw_y = draw_y - y; sv_setnv (draw_y_sv, draw_y);
		2987	}
		2988

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