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

Comparing deliantra/Deliantra-Client/Client.xs (file contents):
Revision 1.196 by root, Sun Jul 15 21:02:20 2007 UTC vs.
Revision 1.236 by root, Mon Oct 8 16:10:14 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 >= 640 && (*m)->h >= 480)
		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 ("Crossfire TRT Client " VERSION, "Crossfire TRT");
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 ()
664		750
665	char *	751	char *
666	SDL_GetKeyName (int sym)	752	SDL_GetKeyName (int sym)
667		753
		754	int
		755	SDL_GetAppState ()
		756
668	void	757	void
669	SDL_PollEvent ()	758	poll_events ()
670	PPCODE:	759	PPCODE:
671	{	760	{
672	SDL_Event ev;	761	SDL_Event ev;
673		762
674	while (SDL_PollEvent (&ev))	763	SDL_PumpEvents ();
		764	while (SDL_PeepEvents (&ev, 1, SDL_GETEVENT, SDL_ALLEVENTS) > 0)
675	{	765	{
676	HV *hv = newHV ();	766	HV *hv = newHV ();
677	hv_store (hv, "type", 4, newSViv (ev.type), 0);	767	hv_store (hv, "type", 4, newSViv (ev.type), 0);
678		768
679	switch (ev.type)	769	switch (ev.type)
…		…
740	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))));
741	}	831	}
742	}	832	}
743		833
744	int	834	int
745	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)
746	POSTCALL:	836	POSTCALL:
747	Mix_HookMusicFinished (music_finished);	837	Mix_HookMusicFinished (music_finished);
748	Mix_ChannelFinished (channel_finished);	838	Mix_ChannelFinished (channel_finished);
749		839
750	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
751	Mix_CloseAudio ()	857	Mix_CloseAudio ()
752		858
753	int	859	int
754	Mix_AllocateChannels (int numchans = -1)	860	Mix_AllocateChannels (int numchans = -1)
		861
		862	const char *
		863	Mix_GetError ()
755		864
756	void	865	void
757	lowdelay (int fd, int val = 1)	866	lowdelay (int fd, int val = 1)
758	CODE:	867	CODE:
759	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (void *)&val, sizeof (val));	868	setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (void *)&val, sizeof (val));
…		…
801	STRLEN image_len;	910	STRLEN image_len;
802	char *image = (char *)SvPVbyte (image_, image_len);	911	char *image = (char *)SvPVbyte (image_, image_len);
803	SDL_Surface *surface, *surface2;	912	SDL_Surface *surface, *surface2;
804	SDL_PixelFormat fmt;	913	SDL_PixelFormat fmt;
805	SDL_RWops *rw = ix	914	SDL_RWops *rw = ix
806	? SDL_RWFromFile (image, "r")	915	? SDL_RWFromFile (image, "rb")
807	: SDL_RWFromConstMem (image, image_len);	916	: SDL_RWFromConstMem (image, image_len);
808		917
809	if (!rw)	918	if (!rw)
810	croak ("load_image: %s", SDL_GetError ());	919	croak ("load_image: %s", SDL_GetError ());
811		920
…		…
916	#endif	1025	#endif
917	}	1026	}
918		1027
919	MODULE = CFPlus PACKAGE = CFPlus::Font	1028	MODULE = CFPlus PACKAGE = CFPlus::Font
920		1029
		1030	PROTOTYPES: DISABLE
		1031
921	CFPlus::Font	1032	CFPlus::Font
922	new_from_file (SV *class, char *path, int id = 0)	1033	new_from_file (SV *class, char *path, int id = 0)
923	CODE:	1034	CODE:
924	{	1035	{
925	int count;	1036	int count;
…		…
935	CODE:	1046	CODE:
936	pango_font_description_free (self);	1047	pango_font_description_free (self);
937		1048
938	void	1049	void
939	make_default (CFPlus::Font self)	1050	make_default (CFPlus::Font self)
		1051	PROTOTYPE: $
940	CODE:	1052	CODE:
941	default_font = self;	1053	default_font = self;
942		1054
943	MODULE = CFPlus PACKAGE = CFPlus::Layout	1055	MODULE = CFPlus PACKAGE = CFPlus::Layout
944		1056
		1057	PROTOTYPES: DISABLE
		1058
945	void	1059	void
946	reset_glyph_cache ()	1060	reset_glyph_cache ()
		1061	PROTOTYPE:
947	CODE:	1062	CODE:
948	tc_clear ();	1063	tc_clear ();
949		1064
950	CFPlus::Layout	1065	CFPlus::Layout
951	new (SV *class)	1066	new (SV *class)
…		…
957	RETVAL->g = 1.;	1072	RETVAL->g = 1.;
958	RETVAL->b = 1.;	1073	RETVAL->b = 1.;
959	RETVAL->a = 1.;	1074	RETVAL->a = 1.;
960	RETVAL->base_height = MIN_FONT_HEIGHT;	1075	RETVAL->base_height = MIN_FONT_HEIGHT;
961	RETVAL->font = 0;	1076	RETVAL->font = 0;
		1077	RETVAL->rc = rc_alloc ();
962		1078
963	pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);	1079	pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
964	layout_update_font (RETVAL);	1080	layout_update_font (RETVAL);
965	OUTPUT:	1081	OUTPUT:
966	RETVAL	1082	RETVAL
967		1083
968	void	1084	void
969	DESTROY (CFPlus::Layout self)	1085	DESTROY (CFPlus::Layout self)
970	CODE:	1086	CODE:
971	g_object_unref (self->pl);	1087	g_object_unref (self->pl);
		1088	rc_free (self->rc);
972	Safefree (self);	1089	Safefree (self);
973		1090
974	void	1091	void
975	set_text (CFPlus::Layout self, SV *text_)	1092	set_text (CFPlus::Layout self, SV *text_)
976	CODE:	1093	CODE:
…		…
1228	}	1345	}
1229	}	1346	}
1230		1347
1231	void	1348	void
1232	render (CFPlus::Layout self, float x, float y, int flags = 0)	1349	render (CFPlus::Layout self, float x, float y, int flags = 0)
1233	PPCODE:	1350	CODE:
		1351	rc_clear (self->rc);
1234	pango_opengl_render_layout_subpixel (	1352	pango_opengl_render_layout_subpixel (
1235	self->pl,	1353	self->pl,
		1354	self->rc,
1236	x * PANGO_SCALE, y * PANGO_SCALE,	1355	x * PANGO_SCALE, y * PANGO_SCALE,
1237	self->r, self->g, self->b, self->a,	1356	self->r, self->g, self->b, self->a,
1238	flags	1357	flags
1239	);	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	}
1240		1381
1241	MODULE = CFPlus PACKAGE = CFPlus::Texture	1382	MODULE = CFPlus PACKAGE = CFPlus::Texture
1242		1383
1243	void	1384	PROTOTYPES: ENABLE
1244	pad2pot (SV *data_, SV *w_, SV *h_)
1245	CODE:
1246	{
1247	int ow = SvIV (w_);
1248	int oh = SvIV (h_);
1249		1385
1250	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_))
1251	{	1391	{
1252	int nw = minpot (ow);
1253	int nh = minpot (oh);
1254
1255	if (nw != ow || nh != oh)
1256	{
1257	if (SvOK (data_))
1258	{
1259	STRLEN datalen;	1392	STRLEN datalen;
1260	char *data = SvPVbyte (data_, datalen);	1393	char *data = SvPVbyte (data_, datalen);
1261	int bpp = datalen / (ow * oh);	1394	int bpp = datalen / (ow * oh);
1262	SV *result_ = sv_2mortal (newSV (nw * nh * bpp));	1395	SV *result_ = sv_2mortal (newSV (nw * nh * bpp));
1263		1396
1264	SvPOK_only (result_);	1397	SvPOK_only (result_);
1265	SvCUR_set (result_, nw * nh * bpp);	1398	SvCUR_set (result_, nw * nh * bpp);
1266		1399
1267	memset (SvPVX (result_), 0, nw * nh * bpp);	1400	memset (SvPVX (result_), 0, nw * nh * bpp);
1268	while (oh--)	1401	while (oh--)
1269	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);
1270		1403
1271	sv_setsv (data_, result_);	1404	sv_setsv (data_, result_);
1272	}
1273
1274	sv_setiv (w_, nw);
1275	sv_setiv (h_, nh);
1276	}
1277	}	1405	}
1278	}	1406	}
1279		1407
1280	void	1408	void
1281	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.)
…		…
1287	{	1415	{
1288	HV *hv = (HV *)SvRV (self);	1416	HV *hv = (HV *)SvRV (self);
1289	float s = SvNV (*hv_fetch (hv, "s", 1, 1));	1417	float s = SvNV (*hv_fetch (hv, "s", 1, 1));
1290	float t = SvNV (*hv_fetch (hv, "t", 1, 1));	1418	float t = SvNV (*hv_fetch (hv, "t", 1, 1));
1291	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;
1292		1423
1293	if (items < 5)	1424	if (items < 5)
1294	{	1425	{
1295	w = SvNV (*hv_fetch (hv, "w", 1, 1));	1426	w = SvNV (*hv_fetch (hv, "w", 1, 1));
1296	h = SvNV (*hv_fetch (hv, "h", 1, 1));	1427	h = SvNV (*hv_fetch (hv, "h", 1, 1));
…		…
1324	glDisable (GL_ALPHA_TEST);	1455	glDisable (GL_ALPHA_TEST);
1325	glDisable (GL_BLEND);	1456	glDisable (GL_BLEND);
1326	}	1457	}
1327	}	1458	}
1328		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
1329	MODULE = CFPlus PACKAGE = CFPlus::Map	1471	MODULE = CFPlus PACKAGE = CFPlus::Map
		1472
		1473	PROTOTYPES: DISABLE
1330		1474
1331	CFPlus::Map	1475	CFPlus::Map
1332	new (SV *class)	1476	new (SV *class)
1333	CODE:	1477	CODE:
1334	New (0, RETVAL, 1, struct map);	1478	New (0, RETVAL, 1, struct map);
…		…
1472	self->rows += MAP_EXTEND_Y;	1616	self->rows += MAP_EXTEND_Y;
1473	self->y += MAP_EXTEND_Y;	1617	self->y += MAP_EXTEND_Y;
1474	}	1618	}
1475	}	1619	}
1476		1620
1477	void	1621	SV *
1478	map1a_update (CFPlus::Map self, SV *data_, int extmap)	1622	map1a_update (CFPlus::Map self, SV *data_, int extmap)
1479	CODE:	1623	CODE:
1480	{	1624	{
1481	uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);	1625	uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);
1482	uint8_t *data_end = (uint8_t *)SvEND (data_);	1626	uint8_t *data_end = (uint8_t *)SvEND (data_);
1483	mapcell *cell;	1627	mapcell *cell;
1484	int x, y, flags;	1628	int x, y, z, flags;
		1629	AV *missing = newAV ();
		1630	RETVAL = newRV_noinc ((SV *)missing);
1485		1631
1486	while (data < data_end - 1)	1632	while (data < data_end - 1)
1487	{	1633	{
1488	flags = (data [0] << 8) + data [1]; data += 2;	1634	flags = (data [0] << 8) + data [1]; data += 2;
1489		1635
…		…
1540	}	1686	}
1541	else	1687	else
1542	cell->darkness = *data++ + 1;	1688	cell->darkness = *data++ + 1;
1543	}	1689	}
1544		1690
		1691	for (z = 0; z <= 2; ++z)
1545	if (flags & 4)	1692	if (flags & (4 >> z))
1546	{	1693	{
1547	faceid face = (data [0] << 8) + data [1]; data += 2;	1694	faceid face = (data [0] << 8) + data [1]; data += 2;
1548	need_facenum (self, face);	1695	need_facenum (self, face);
1549	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	}
1550	}	1711	}
1551
1552	if (flags & 2)
1553	{
1554	faceid face = (data [0] << 8) + data [1]; data += 2;
1555	need_facenum (self, face);
1556	cell->tile [1] = self->face2tile [face];
1557	}
1558
1559	if (flags & 1)
1560	{
1561	faceid face = (data [0] << 8) + data [1]; data += 2;
1562	need_facenum (self, face);
1563	cell->tile [2] = self->face2tile [face];
1564	}
1565	}	1712	}
1566	else	1713	else
1567	cell->darkness = 0;	1714	cell->darkness = 0;
1568	}	1715	}
1569	}	1716	}
		1717	OUTPUT:
		1718	RETVAL
1570		1719
1571	SV *	1720	SV *
1572	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)
1573	CODE:	1722	CODE:
1574	{	1723	{
…		…
1625		1774
1626	void	1775	void
1627	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)
1628	CODE:	1777	CODE:
1629	{	1778	{
		1779	int x, y, z;
		1780
1630	HV *smooth = (HV *)sv_2mortal ((SV *)newHV ());	1781	HV *smooth = (HV *)sv_2mortal ((SV *)newHV ());
1631	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
1632	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)
1633	smooth_key skey;	1784	smooth_key skey;
1634	int x, y, z;	1785
1635	int last_name;	1786	rc_t *rc = rc_alloc ();
		1787	rc_key_t key;
		1788	rc_array_t *arr;
1636		1789
1637	// thats current max. sorry.	1790	// thats current max. sorry.
1638	if (sw > 255) sw = 255;	1791	if (sw > 255) sw = 255;
1639	if (sh > 255) sh = 255;	1792	if (sh > 255) sh = 255;
1640		1793
1641	// clear key, in case of extra padding	1794	// clear key, in case of extra padding
1642	memset (&skey, 0, sizeof (skey));	1795	memset (&skey, 0, sizeof (skey));
1643		1796
1644	glColor4ub (255, 255, 255, 255);	1797	memset (&key, 0, sizeof (key));
1645		1798	key.r = 255;
1646	glEnable (GL_BLEND);	1799	key.g = 255;
1647	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);	1800	key.b = 255;
1648	glEnable (GL_TEXTURE_2D);	1801	key.a = 255;
1649	glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);	1802	key.mode = GL_QUADS;
1650		1803	key.format = GL_T2F_V3F;
1651	glBegin (GL_QUADS);	1804	key.texname = -1;
1652
1653	last_name = 0;
1654		1805
1655	mx += self->x;	1806	mx += self->x;
1656	my += self->y;	1807	my += self->y;
1657		1808
1658	// first pass: determine smooth_max	1809	// first pass: determine smooth_max
…		…
1674	MAX (self->tex [cell->tile [0]].smoothlevel,	1825	MAX (self->tex [cell->tile [0]].smoothlevel,
1675	MAX (self->tex [cell->tile [1]].smoothlevel,	1826	MAX (self->tex [cell->tile [1]].smoothlevel,
1676	self->tex [cell->tile [2]].smoothlevel));	1827	self->tex [cell->tile [2]].smoothlevel));
1677	}	1828	}
1678	}	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);
1679		1834
1680	for (z = 0; z <= 2; z++)	1835	for (z = 0; z <= 2; z++)
1681	{	1836	{
1682	memset (smooth_level, 0, sizeof (smooth_level));	1837	memset (smooth_level, 0, sizeof (smooth_level));
1683		1838
…		…
1693	tileid tile = cell->tile [z];	1848	tileid tile = cell->tile [z];
1694		1849
1695	if (tile)	1850	if (tile)
1696	{	1851	{
1697	maptex tex = self->tex [tile];	1852	maptex tex = self->tex [tile];
1698	int px = (x + 1) * T - tex.w;	1853	int px, py;
1699	int py = (y + 1) * T - tex.h;
1700		1854
1701	// suppressing texture state switches here
1702	// is only moderately effective, but worth the extra effort
1703	if (last_name != tex.name)	1855	if (key.texname != tex.name)
1704	{	1856	{
1705	if (!tex.name)	1857	if (!tex.name)
1706	tex = self->tex [2]; /* missing, replace by noface */	1858	tex = self->tex [2]; /* missing, replace by noface */
1707		1859
1708	glEnd ();	1860	key.texname = tex.name;
1709	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);	1861	arr = rc_array (rc, &key);
1710	glBegin (GL_QUADS);
1711	}	1862	}
1712		1863
1713	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);
1714	glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);	1868	rc_t2f_v3f (arr, 0 , tex.t, px , py + tex.h, 0);
1715	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);
1716	glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );	1870	rc_t2f_v3f (arr, tex.s, 0 , px + tex.w, py , 0);
1717		1871
1718	if (cell->flags && z == 2)	1872	if (cell->flags && z == 2)
1719	{	1873	{
		1874	// overlays such as the speech bubble, probably more to come
1720	if (cell->flags & 1)	1875	if (cell->flags & 1)
1721	{	1876	{
1722	maptex tex = self->tex [1];	1877	maptex tex = self->tex [1];
1723	int px = x * T + T * 2 / 32;	1878	int px = x * T + T * 2 / 32;
1724	int py = y * T - T * 6 / 32;	1879	int py = y * T - T * 6 / 32;
1725		1880
		1881	if (tex.name)
1726	glEnd ();	1882	{
1727	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);
1728	glBegin (GL_QUADS);	1893	}
1729
1730	glTexCoord2f (0 , 0 ); glVertex2f (px , py );
1731	glTexCoord2f (0 , tex.t); glVertex2f (px , py + T);
1732	glTexCoord2f (tex.s, tex.t); glVertex2f (px + T, py + T);
1733	glTexCoord2f (tex.s, 0 ); glVertex2f (px + T, py );
1734	}	1894	}
1735	}	1895	}
1736		1896
1737	// update smooth hash	1897	// update smooth hash
1738	if (tex.smoothtile)	1898	if (tex.smoothtile)
…		…
1774	}	1934	}
1775	}	1935	}
1776	}	1936	}
1777	}	1937	}
1778		1938
		1939	rc_draw (rc);
		1940	rc_clear (rc);
		1941
1779	// go through all smoothlevels, lowest to highest, then draw.	1942	// go through all smoothlevels, lowest to highest, then draw.
1780	// this is basically counting sort	1943	// this is basically counting sort
1781	{	1944	{
1782	int w, b;	1945	int w, b;
1783		1946
		1947	glEnable (GL_TEXTURE_2D);
		1948	glBegin (GL_QUADS);
1784	for (w = 0; w < 256 / 32; ++w)	1949	for (w = 0; w < 256 / 32; ++w)
1785	{	1950	{
1786	uint32_t smask = smooth_level [w];	1951	uint32_t smask = smooth_level [w];
1787	if (smask)	1952	if (smask)
1788	for (b = 0; b < 32; ++b)	1953	for (b = 0; b < 32; ++b)
…		…
1807	int border = bits & 15;	1972	int border = bits & 15;
1808	int corner = (bits >> 8) & ~(bits >> 4) & 15;	1973	int corner = (bits >> 8) & ~(bits >> 4) & 15;
1809	float dx = tex.s * .0625f; // 16 images/row	1974	float dx = tex.s * .0625f; // 16 images/row
1810	float dy = tex.t * .5f ; // 2 images/column	1975	float dy = tex.t * .5f ; // 2 images/column
1811		1976
1812	// this time naively avoiding texture state changes
1813	// save gobs of state changes.
1814	if (last_name != tex.name)	1977	if (tex.name)
1815	{	1978	{
		1979	// this time avoiding texture state changes
		1980	// save gobs of state changes.
1816	if (!tex.name)	1981	if (key.texname != tex.name)
1817	continue; // smoothing not yet available	1982	{
1818
1819	glEnd ();	1983	glEnd ();
1820	glBindTexture (GL_TEXTURE_2D, last_name = tex.name);	1984	glBindTexture (GL_TEXTURE_2D, key.texname = tex.name);
1821	glBegin (GL_QUADS);	1985	glBegin (GL_QUADS);
1822	}	1986	}
1823		1987
1824	if (border)	1988	if (border)
1825	{	1989	{
1826	float ox = border * dx;	1990	float ox = border * dx;
1827		1991
1828	glTexCoord2f (ox , 0.f ); glVertex2f (px , py );	1992	glTexCoord2f (ox , 0.f ); glVertex2i (px , py );
1829	glTexCoord2f (ox , dy ); glVertex2f (px , py + T);	1993	glTexCoord2f (ox , dy ); glVertex2i (px , py + T);
1830	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py + T);	1994	glTexCoord2f (ox + dx, dy ); glVertex2i (px + T, py + T);
1831	glTexCoord2f (ox + dx, 0.f ); glVertex2f (px + T, py );	1995	glTexCoord2f (ox + dx, 0.f ); glVertex2i (px + T, py );
1832	}	1996	}
1833		1997
1834	if (corner)	1998	if (corner)
1835	{	1999	{
1836	float ox = corner * dx;	2000	float ox = corner * dx;
1837		2001
1838	glTexCoord2f (ox , dy ); glVertex2f (px , py );	2002	glTexCoord2f (ox , dy ); glVertex2i (px , py );
1839	glTexCoord2f (ox , dy * 2.f); glVertex2f (px , py + T);	2003	glTexCoord2f (ox , dy * 2.f); glVertex2i (px , py + T);
1840	glTexCoord2f (ox + dx, dy * 2.f); glVertex2f (px + T, py + T);	2004	glTexCoord2f (ox + dx, dy * 2.f); glVertex2i (px + T, py + T);
1841	glTexCoord2f (ox + dx, dy ); glVertex2f (px + T, py );	2005	glTexCoord2f (ox + dx, dy ); glVertex2i (px + T, py );
		2006	}
1842	}	2007	}
1843	}	2008	}
1844	}	2009	}
1845	}	2010	}
1846	}	2011	}
		2012
		2013	glEnd ();
		2014	glDisable (GL_TEXTURE_2D);
		2015	key.texname = -1;
1847	}	2016	}
1848		2017
1849	hv_clear (smooth);	2018	hv_clear (smooth);
1850	}	2019	}
1851		2020
1852	glEnd ();
1853
1854	glDisable (GL_TEXTURE_2D);
1855	glDisable (GL_BLEND);	2021	glDisable (GL_BLEND);
		2022	rc_free (rc);
1856		2023
1857	// top layer: overlays such as the health bar	2024	// top layer: overlays such as the health bar
1858	for (y = 0; y < sh; y++)	2025	for (y = 0; y < sh; y++)
1859	if (0 <= y + my && y + my < self->rows)	2026	if (0 <= y + my && y + my < self->rows)
1860	{	2027	{
…		…
1949	void	2116	void
1950	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)
1951	PPCODE:	2118	PPCODE:
1952	{	2119	{
1953	int x, y;	2120	int x, y;
		2121	int sw1 = sw + 2;
		2122	int sh1 = sh + 2;
		2123	int sh3 = sh * 3;
1954	int sw4 = (sw + 3) & ~3;	2124	int sw34 = (sw * 3 + 3) & ~3;
		2125	uint8_t *darkness1 = (uint8_t *)malloc (sw1 * sh1);
1955	SV *darkness_sv = sv_2mortal (newSV (sw4 * sh));	2126	SV *darkness3_sv = sv_2mortal (newSV (sw34 * sh3));
1956	uint8_t *darkness = (uint8_t *)SvPVX (darkness_sv);	2127	uint8_t *darkness3 = (uint8_t *)SvPVX (darkness3_sv);
1957		2128
1958	memset (darkness, 255, sw4 * sh);
1959	SvPOK_only (darkness_sv);	2129	SvPOK_only (darkness3_sv);
1960	SvCUR_set (darkness_sv, sw4 * sh);	2130	SvCUR_set (darkness3_sv, sw34 * sh3);
1961		2131
1962	mx += self->x;	2132	mx += self->x - 1;
1963	my += self->y;	2133	my += self->y - 1;
1964		2134
		2135	memset (darkness1, 255, sw1 * sh1);
		2136
1965	for (y = 0; y < sh; y++)	2137	for (y = 0; y < sh1; y++)
1966	if (0 <= y + my && y + my < self->rows)	2138	if (0 <= y + my && y + my < self->rows)
1967	{	2139	{
1968	maprow *row = self->row + (y + my);	2140	maprow *row = self->row + (y + my);
1969		2141
1970	for (x = 0; x < sw; x++)	2142	for (x = 0; x < sw1; x++)
1971	if (row->c0 <= x + mx && x + mx < row->c1)	2143	if (row->c0 <= x + mx && x + mx < row->c1)
1972	{	2144	{
1973	mapcell *cell = row->col + (x + mx - row->c0);	2145	mapcell *cell = row->col + (x + mx - row->c0);
1974		2146
1975	darkness[y * sw4 + x] = cell->darkness	2147	darkness1 [y * sw1 + x] = cell->darkness
1976	? 255 - (cell->darkness - 1)	2148	? 255 - (cell->darkness - 1)
1977	: 255 - FOW_DARKNESS;	2149	: 255 - FOW_DARKNESS;
1978	}	2150	}
1979	}	2151	}
1980		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
1981	EXTEND (SP, 3);	2191	EXTEND (SP, 3);
1982	PUSHs (sv_2mortal (newSViv (sw4)));	2192	PUSHs (sv_2mortal (newSViv (sw34)));
1983	PUSHs (sv_2mortal (newSViv (sh)));	2193	PUSHs (sv_2mortal (newSViv (sh3)));
1984	PUSHs (darkness_sv);	2194	PUSHs (darkness3_sv);
1985	}	2195	}
1986		2196
1987	SV *	2197	SV *
1988	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)
1989	CODE:	2199	CODE:
…		…
2066	int x, y, z;	2276	int x, y, z;
2067	int w, h;	2277	int w, h;
2068	int x1, y1;	2278	int x1, y1;
2069		2279
2070	if (*data++ != 0)	2280	if (*data++ != 0)
2071	return; /* version mismatch */	2281	XSRETURN_EMPTY; /* version mismatch */
2072		2282
2073	w = *data++ << 8; w |= *data++;	2283	w = *data++ << 8; w |= *data++;
2074	h = *data++ << 8; h |= *data++;	2284	h = *data++ << 8; h |= *data++;
2075		2285
2076	// 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
…		…
2121	}	2331	}
2122	}	2332	}
2123	}	2333	}
2124	}	2334	}
2125		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
2126	MODULE = CFPlus PACKAGE = CFPlus::MixChunk	2447	MODULE = CFPlus PACKAGE = CFPlus::MixChunk
2127		2448
		2449	PROTOTYPES: DISABLE
		2450
2128	CFPlus::MixChunk	2451	CFPlus::MixChunk
2129	new_from_file (SV *class, char *path)	2452	new (SV *class, CFPlus::RW rwops)
2130	CODE:	2453	CODE:
2131	RETVAL = Mix_LoadWAV (path);	2454	RETVAL = Mix_LoadWAV_RW (rwops, 1);
2132	OUTPUT:	2455	OUTPUT:
2133	RETVAL	2456	RETVAL
2134		2457
2135	void	2458	void
2136	DESTROY (CFPlus::MixChunk self)	2459	DESTROY (CFPlus::MixChunk self)
…		…
2138	Mix_FreeChunk (self);	2461	Mix_FreeChunk (self);
2139		2462
2140	int	2463	int
2141	volume (CFPlus::MixChunk self, int volume = -1)	2464	volume (CFPlus::MixChunk self, int volume = -1)
2142	CODE:	2465	CODE:
		2466	if (items > 1)
		2467	volume = CLAMP (volume, 0, 128);
2143	RETVAL = Mix_VolumeChunk (self, volume);	2468	RETVAL = Mix_VolumeChunk (self, volume);
2144	OUTPUT:	2469	OUTPUT:
2145	RETVAL	2470	RETVAL
2146		2471
2147	int	2472	CFPlus::Channel
2148	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)
2149	CODE:	2474	CODE:
		2475	{
2150	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	}
2151	OUTPUT:	2487	OUTPUT:
2152	RETVAL	2488	RETVAL
2153		2489
2154	MODULE = CFPlus PACKAGE = CFPlus::MixMusic	2490	MODULE = CFPlus PACKAGE = CFPlus::MixMusic
2155		2491
2156	int	2492	int
2157	volume (int volume = -1)	2493	volume (int volume = -1)
		2494	PROTOTYPE: ;$
2158	CODE:	2495	CODE:
		2496	if (items > 0)
		2497	volume = CLAMP (volume, 0, 128);
2159	RETVAL = Mix_VolumeMusic (volume);	2498	RETVAL = Mix_VolumeMusic (volume);
2160	OUTPUT:	2499	OUTPUT:
2161	RETVAL	2500	RETVAL
2162		2501
2163	int	2502	void
2164	fade_out (int ms)	2503	fade_out (int ms)
2165	CODE:	2504	CODE:
2166	RETVAL = Mix_FadeOutMusic (ms);	2505	Mix_FadeOutMusic (ms);
2167	OUTPUT:	2506
2168	RETVAL	2507	void
		2508	halt ()
		2509	CODE:
		2510	Mix_HaltMusic ();
2169		2511
2170	CFPlus::MixMusic	2512	CFPlus::MixMusic
2171	new_from_file (SV *class, char *path)	2513	new (SV *class, CFPlus::RW rwops)
2172	CODE:	2514	CODE:
2173	RETVAL = Mix_LoadMUS (path);	2515	RETVAL = Mix_LoadMUS_RW (rwops);
2174	OUTPUT:	2516	OUTPUT:
2175	RETVAL	2517	RETVAL
2176		2518
2177	void	2519	void
2178	DESTROY (CFPlus::MixMusic self)	2520	DESTROY (CFPlus::MixMusic self)
…		…
2184	CODE:	2526	CODE:
2185	RETVAL = Mix_PlayMusic (self, loops);	2527	RETVAL = Mix_PlayMusic (self, loops);
2186	OUTPUT:	2528	OUTPUT:
2187	RETVAL	2529	RETVAL
2188		2530
2189	int	2531	void
2190	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)
2191	CODE:	2533	CODE:
2192	RETVAL = Mix_FadeInMusicPos (self, loops, ms, position);	2534	Mix_FadeInMusicPos (self, loops, ms, position);
2193	OUTPUT:
2194	RETVAL
2195		2535
2196	MODULE = CFPlus PACKAGE = CFPlus::OpenGL	2536	MODULE = CFPlus PACKAGE = CFPlus::OpenGL
		2537
		2538	PROTOTYPES: ENABLE
2197		2539
2198	BOOT:	2540	BOOT:
2199	{	2541	{
2200	HV *stash = gv_stashpv ("CFPlus::OpenGL", 1);	2542	HV *stash = gv_stashpv ("CFPlus::OpenGL", 1);
2201	static const struct {	2543	static const struct {
2202	const char *name;	2544	const char *name;
2203	IV iv;	2545	IV iv;
2204	} *civ, const_iv[] = {	2546	} *civ, const_iv[] = {
2205	# 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),
2206	const_iv (GL_COLOR_MATERIAL),	2551	const_iv (GL_COLOR_MATERIAL),
2207	const_iv (GL_SMOOTH),	2552	const_iv (GL_SMOOTH),
2208	const_iv (GL_FLAT),	2553	const_iv (GL_FLAT),
2209	const_iv (GL_DITHER),	2554	const_iv (GL_DITHER),
2210	const_iv (GL_BLEND),	2555	const_iv (GL_BLEND),
…		…
2214	const_iv (GL_ALPHA_TEST),	2559	const_iv (GL_ALPHA_TEST),
2215	const_iv (GL_NORMALIZE),	2560	const_iv (GL_NORMALIZE),
2216	const_iv (GL_RESCALE_NORMAL),	2561	const_iv (GL_RESCALE_NORMAL),
2217	const_iv (GL_FRONT),	2562	const_iv (GL_FRONT),
2218	const_iv (GL_BACK),	2563	const_iv (GL_BACK),
		2564	const_iv (GL_AUX0),
2219	const_iv (GL_AND),	2565	const_iv (GL_AND),
2220	const_iv (GL_ONE),	2566	const_iv (GL_ONE),
2221	const_iv (GL_ZERO),	2567	const_iv (GL_ZERO),
2222	const_iv (GL_SRC_ALPHA),	2568	const_iv (GL_SRC_ALPHA),
2223	const_iv (GL_DST_ALPHA),	2569	const_iv (GL_DST_ALPHA),
…		…
2236	const_iv (GL_INTENSITY),	2582	const_iv (GL_INTENSITY),
2237	const_iv (GL_LUMINANCE),	2583	const_iv (GL_LUMINANCE),
2238	const_iv (GL_LUMINANCE_ALPHA),	2584	const_iv (GL_LUMINANCE_ALPHA),
2239	const_iv (GL_FLOAT),	2585	const_iv (GL_FLOAT),
2240	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),
2241	const_iv (GL_COMPILE),	2593	const_iv (GL_COMPILE),
		2594	const_iv (GL_PROXY_TEXTURE_1D),
		2595	const_iv (GL_PROXY_TEXTURE_2D),
2242	const_iv (GL_TEXTURE_1D),	2596	const_iv (GL_TEXTURE_1D),
2243	const_iv (GL_TEXTURE_2D),	2597	const_iv (GL_TEXTURE_2D),
2244	const_iv (GL_TEXTURE_ENV),	2598	const_iv (GL_TEXTURE_ENV),
2245	const_iv (GL_TEXTURE_MAG_FILTER),	2599	const_iv (GL_TEXTURE_MAG_FILTER),
2246	const_iv (GL_TEXTURE_MIN_FILTER),	2600	const_iv (GL_TEXTURE_MIN_FILTER),
…		…
2267	const_iv (GL_COLOR_LOGIC_OP),	2621	const_iv (GL_COLOR_LOGIC_OP),
2268	const_iv (GL_SEPARABLE_2D),	2622	const_iv (GL_SEPARABLE_2D),
2269	const_iv (GL_CONVOLUTION_2D),	2623	const_iv (GL_CONVOLUTION_2D),
2270	const_iv (GL_CONVOLUTION_BORDER_MODE),	2624	const_iv (GL_CONVOLUTION_BORDER_MODE),
2271	const_iv (GL_CONSTANT_BORDER),	2625	const_iv (GL_CONSTANT_BORDER),
		2626	const_iv (GL_POINTS),
2272	const_iv (GL_LINES),	2627	const_iv (GL_LINES),
2273	const_iv (GL_LINE_STRIP),	2628	const_iv (GL_LINE_STRIP),
2274	const_iv (GL_LINE_LOOP),	2629	const_iv (GL_LINE_LOOP),
2275	const_iv (GL_QUADS),	2630	const_iv (GL_QUADS),
2276	const_iv (GL_QUAD_STRIP),	2631	const_iv (GL_QUAD_STRIP),
2277	const_iv (GL_TRIANGLES),	2632	const_iv (GL_TRIANGLES),
2278	const_iv (GL_TRIANGLE_STRIP),	2633	const_iv (GL_TRIANGLE_STRIP),
2279	const_iv (GL_TRIANGLE_FAN),	2634	const_iv (GL_TRIANGLE_FAN),
		2635	const_iv (GL_POLYGON),
2280	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),
2281	const_iv (GL_FASTEST),	2642	const_iv (GL_FASTEST),
		2643	const_iv (GL_DONT_CARE),
		2644	const_iv (GL_NICEST),
2282	const_iv (GL_V2F),	2645	const_iv (GL_V2F),
2283	const_iv (GL_V3F),	2646	const_iv (GL_V3F),
2284	const_iv (GL_T2F_V3F),	2647	const_iv (GL_T2F_V3F),
2285	const_iv (GL_T2F_N3F_V3F),	2648	const_iv (GL_T2F_N3F_V3F),
2286	# undef const_iv	2649	# undef const_iv
…		…
2291		2654
2292	texture_av = newAV ();	2655	texture_av = newAV ();
2293	AvREAL_off (texture_av);	2656	AvREAL_off (texture_av);
2294	}	2657	}
2295		2658
		2659	void
		2660	disable_GL_EXT_blend_func_separate ()
		2661	CODE:
		2662	gl.BlendFuncSeparate = 0;
		2663	gl.BlendFuncSeparateEXT = 0;
		2664
2296	char *	2665	char *
2297	gl_vendor ()	2666	gl_vendor ()
2298	CODE:	2667	CODE:
2299	RETVAL = (char *)glGetString (GL_VENDOR);	2668	RETVAL = (char *)glGetString (GL_VENDOR);
2300	OUTPUT:	2669	OUTPUT:
…		…
2312	CODE:	2681	CODE:
2313	RETVAL = (char *)glGetString (GL_EXTENSIONS);	2682	RETVAL = (char *)glGetString (GL_EXTENSIONS);
2314	OUTPUT:	2683	OUTPUT:
2315	RETVAL	2684	RETVAL
2316		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
2317	int glGetError ()	2700	int glGetError ()
2318		2701
2319	void glFinish ()	2702	void glFinish ()
2320		2703
2321	void glClear (int mask)	2704	void glClear (int mask)
…		…
2358	# near_ and far_ are due to microsofts buggy "c" compiler	2741	# near_ and far_ are due to microsofts buggy "c" compiler
2359	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_)
2360		2743
2361	# near_ and far_ are due to microsofts buggy "c" compiler	2744	# near_ and far_ are due to microsofts buggy "c" compiler
2362	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
2363		2748
2364	void glViewport (int x, int y, int width, int height)	2749	void glViewport (int x, int y, int width, int height)
2365		2750
2366	void glScissor (int x, int y, int width, int height)	2751	void glScissor (int x, int y, int width, int height)
2367		2752
…		…
2375		2760
2376	void glRotate (float angle, float x, float y, float z)	2761	void glRotate (float angle, float x, float y, float z)
2377	CODE:	2762	CODE:
2378	glRotatef (angle, x, y, z);	2763	glRotatef (angle, x, y, z);
2379		2764
2380	void glBegin (int mode)
2381
2382	void glEnd ()
2383
2384	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)
2385	PROTOTYPE: @
2386	ALIAS:	2766	ALIAS:
2387	glColor_premultiply = 1	2767	glColor_premultiply = 1
2388	CODE:	2768	CODE:
2389	if (ix)	2769	if (ix)
2390	{	2770	{
…		…
2393	b *= a;	2773	b *= a;
2394	}	2774	}
2395	// microsoft visual "c" rounds instead of truncating...	2775	// microsoft visual "c" rounds instead of truncating...
2396	glColor4f (r, g, b, a);	2776	glColor4f (r, g, b, a);
2397		2777
2398	void glInterleavedArrays (int format, int stride, char *data)
2399
2400	void glDrawElements (int mode, int count, int type, char *indices)
2401
2402	# 1.2 void glDrawRangeElements (int mode, int start, int end
2403
2404	void glRasterPos (float x, float y, float z = 0.)	2778	void glRasterPos (float x, float y, float z = 0.)
2405	CODE:	2779	CODE:
2406	glRasterPos3f (0, 0, z);	2780	glRasterPos3f (0, 0, z);
2407	glBitmap (0, 0, 0, 0, x, y, 0);	2781	glBitmap (0, 0, 0, 0, x, y, 0);
2408		2782
…		…
2412		2786
2413	void glTexCoord (float s, float t)	2787	void glTexCoord (float s, float t)
2414	CODE:	2788	CODE:
2415	glTexCoord2f (s, t);	2789	glTexCoord2f (s, t);
2416		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
2417	void glTexEnv (int target, int pname, float param)	2820	void glTexEnv (int target, int pname, float param)
2418	CODE:	2821	CODE:
2419	glTexEnvf (target, pname, param);	2822	glTexEnvf (target, pname, param);
2420		2823
2421	void glTexParameter (int target, int pname, float param)	2824	void glTexParameter (int target, int pname, float param)
…		…
2442	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)
2443		2846
2444	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)
2445		2848
2446	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)
2447		2852
2448	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)
2449		2854
2450	int glGenTexture ()	2855	int glGenTexture ()
2451	CODE:	2856	CODE:
…		…
2471		2876
2472	void glEndList ()	2877	void glEndList ()
2473		2878
2474	void glCallList (int list)	2879	void glCallList (int list)
2475		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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