deliantra/Deliantra-Client/Client.xs

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

#include <string.h>
#include <stdio.h>

#include <SDL.h>
#include <SDL_image.h>
#include <SDL_opengl.h>

#include <pango/pango.h>
#include <pango/pangofc-fontmap.h>
#include <pango/pangoft2.h>

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>

#include <inttypes.h>

static PangoContext *context;
static PangoFontMap *fontmap;

typedef struct cf_layout {
  PangoLayout *pl;
  int base_height;
} *CFClient__Layout;

static void
substitute_func (FcPattern *pattern, gpointer data)
{
  FcPatternAddBool (pattern, FC_HINTING , 1);
  FcPatternAddBool (pattern, FC_AUTOHINT, 1);
}

static void
layout_update (CFClient__Layout self)
{
  /* use a random scale factor to account for unknown descenders, 0.8 works
   * reasonably well with bitstream vera
   */
  PangoFontDescription *font = pango_context_get_font_description (context);
  pango_font_description_set_absolute_size (font, self->base_height * (PANGO_SCALE * 8 / 10));
}

static void
layout_get_pixel_size (CFClient__Layout self, int *w, int *h)
{
  layout_update (self);

  pango_layout_get_pixel_size (self->pl, w, h);

  *w = (*w + 3) & ~3;
  if (!*w) *w = 1;
  if (!*h) *h = 1;
}

typedef struct {
  uint16_t face[3];
  uint8_t darkness;
  uint8_t padding;
} mapcell;

typedef struct {
  uint32_t cols;
  mapcell *col;
} maprow;

typedef struct map {
  int x, y, w, h;
  int faces;
  GLint *face;

  uint32_t rows;
  maprow *row;
} *CFClient__Map;

MODULE = CFClient       PACKAGE = CFClient

PROTOTYPES: ENABLE

BOOT:
{
        fontmap = pango_ft2_font_map_new ();
        pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, substitute_func, 0, 0);
        context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
}

void
lowdelay (int fd, int val = 1)
        CODE:
        setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));

char *
gl_version ()
        CODE:
        RETVAL = (char *)glGetString (GL_VERSION);
        OUTPUT:
        RETVAL

char *
gl_extensions ()
        CODE:
        RETVAL = (char *)glGetString (GL_EXTENSIONS);
        OUTPUT:
        RETVAL

void
add_font (char *file)
        CODE:
        FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */

void
set_font (char *file)
        CODE:
{
        int count;
        FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
        PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
        FcPatternDestroy (pattern);
        pango_context_set_font_description (context, font);
}

void
load_image_inline (SV *image_)
        ALIAS:
        load_image_file = 1
        PPCODE:
{
        STRLEN image_len;
        char *image = (char *)SvPVbyte (image_, image_len);
        SDL_Surface *surface, *surface2;
        SDL_PixelFormat fmt;
        SDL_RWops *rw = ix
          ? SDL_RWFromFile (image, "r")
          : SDL_RWFromConstMem (image, image_len);

        if (!rw)
          croak ("load_image: unable to open file");

        surface = IMG_Load_RW (rw, 1);
        if (!surface)
          croak ("load_image: unable to read file");

        fmt.palette = NULL;
        fmt.BitsPerPixel = 32;
        fmt.BytesPerPixel = 4;
        fmt.Rmask = 0x000000ff;
        fmt.Gmask = 0x0000ff00;
        fmt.Bmask = 0x00ff0000;
        fmt.Amask = 0xff000000;
        fmt.Rloss = 0;
        fmt.Gloss = 0;
        fmt.Bloss = 0;
        fmt.Aloss = 0;
        fmt.Rshift = 0;
        fmt.Gshift = 8;
        fmt.Bshift = 16;
        fmt.Ashift = 24;
        fmt.colorkey = 0;
        fmt.alpha = 0;

        surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);

        EXTEND (SP, 5);
        PUSHs (sv_2mortal (newSViv (surface2->w)));
        PUSHs (sv_2mortal (newSViv (surface2->h)));
        SDL_LockSurface (surface2);
        PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
        SDL_UnlockSurface (surface2);
        PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
        PUSHs (sv_2mortal (newSViv (GL_RGBA)));
        PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_INT_8_8_8_8_REV)));

        SDL_FreeSurface (surface);
        SDL_FreeSurface (surface2);
}

void
fatal (char *message)
        CODE:
#ifdef WIN32
        MessageBox (0, message, "Crossfire+ Fatal Error", MB_OK | MB_ICONERROR | MB_SETFOREGROUND);
#else
        fprintf (stderr, "%s\n", message);
#endif
        exit (1);

MODULE = CFClient       PACKAGE = CFClient::Layout

CFClient::Layout
new (SV *class, int base_height = 10)
        CODE:
        New (0, RETVAL, 1, struct cf_layout);
        RETVAL->base_height = base_height;
        RETVAL->pl = pango_layout_new (context);
        pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
        OUTPUT:
        RETVAL

void
DESTROY (CFClient::Layout self)
        CODE:
        g_object_unref (self->pl);
        Safefree (self);

void
set_markup (CFClient::Layout self, SV *text_)
        CODE:
{
        STRLEN textlen;
        char *text = SvPVutf8 (text_, textlen);

        pango_layout_set_markup (self->pl, text, textlen);
}

void
set_height (CFClient::Layout self, int base_height)
        CODE:
        self->base_height = base_height;

void
set_width (CFClient::Layout self, int max_width = -1)
        CODE:
        pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);

void
size (CFClient::Layout self)
        PPCODE:
{
        int w, h;

        layout_update (self);
        layout_get_pixel_size (self, &w, &h);

        EXTEND (SP, 2);
        PUSHs (sv_2mortal (newSViv (w)));
        PUSHs (sv_2mortal (newSViv (h)));
}

int
xy_to_index (CFClient::Layout self, int x, int y)
        CODE:
{
        int index, trailing;

        layout_update (self);
        pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);

        RETVAL = index;
}
        OUTPUT:
        RETVAL

void
cursor_pos (CFClient::Layout self, int index)
        PPCODE:
{
        PangoRectangle strong_pos;
        layout_update (self);
        pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
        EXTEND (SP, 3);
        PUSHs (sv_2mortal (newSViv (strong_pos.x      / PANGO_SCALE)));
        PUSHs (sv_2mortal (newSViv (strong_pos.y      / PANGO_SCALE)));
        PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
}

void
render (CFClient::Layout self)
        PPCODE:
{
        SV *retval;
        int w, h;
        FT_Bitmap bitmap;

        layout_update (self);
        layout_get_pixel_size (self, &w, &h);

        retval = newSV (w * h);
        SvPOK_only (retval);
        SvCUR_set (retval, w * h);

        bitmap.rows       = h;
        bitmap.width      = w;
        bitmap.pitch      = w;
        bitmap.buffer     = (unsigned char*)SvPVX (retval);
        bitmap.num_grays  = 256;
        bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;

        memset (bitmap.buffer, 0, w * h);
            
        pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE);

        EXTEND (SP, 3);
        PUSHs (sv_2mortal (newSViv (w)));
        PUSHs (sv_2mortal (newSViv (h)));
        PUSHs (sv_2mortal (retval));
}

MODULE = CFClient       PACKAGE = CFClient::Texture

void
draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
        PROTOTYPE: $$$;$$
        CODE:
{
        HV *hv = (HV *)SvRV (self);
        double s = SvNV (*hv_fetch (hv, "s", 1, 1));
        double t = SvNV (*hv_fetch (hv, "t", 1, 1));
        int name = SvIV (*hv_fetch (hv, "name", 4, 1));

        if (items < 5)
          {
            w = SvNV (*hv_fetch (hv, "w", 1, 1));
            h = SvNV (*hv_fetch (hv, "h", 1, 1));
          }

        glBindTexture (GL_TEXTURE_2D, name);
        glBegin (GL_QUADS);
        glTexCoord2d (0, 0); glVertex2d (x    , y    );
        glTexCoord2d (0, t); glVertex2d (x    , y + h);
        glTexCoord2d (s, t); glVertex2d (x + w, y + h);
        glTexCoord2d (s, 0); glVertex2d (x + w, y    );
        glEnd ();
}

MODULE = CFClient       PACKAGE = CFClient::Map

CFClient::Map
new (SV *class, int map_width, int map_height)
        CODE:
        New (0, RETVAL, 1, struct map);
        RETVAL->x = 0;
        RETVAL->y = 0;
        RETVAL->w = map_width;
        RETVAL->h = map_height;
        RETVAL->faces = 0;
        RETVAL->face = 0;

        RETVAL->rows = 0;
        RETVAL->row = 0;
        OUTPUT:
        RETVAL

void
DESTROY (CFClient::Map self)
        CODE:
{
        int r, c;

        Safefree (self->face);
        for (r = 0; r < self->rows; r++)
          {
            maprow *row = self->row + r;
            if (!row)
              continue;

            Safefree (row->col);
          }

        Safefree (self->row);
        Safefree (self);
}

Revision:	1.28
Committed:	Thu Apr 13 00:25:28 2006 UTC (18 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.27:	+61 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#include "EXTERN.h"
2			#include "perl.h"
3			#include "XSUB.h"
4
5	root	1.5	#include <string.h>
6	root	1.25	#include <stdio.h>
7	root	1.5
8	root	1.2	#include <SDL.h>
9	root	1.23	#include <SDL_image.h>
10	root	1.3	#include <SDL_opengl.h>
11	root	1.5
12			#include <pango/pango.h>
13	root	1.10	#include <pango/pangofc-fontmap.h>
14	root	1.5	#include <pango/pangoft2.h>
15
16	root	1.10	#include <sys/types.h>
17			#include <sys/socket.h>
18			#include <netinet/in.h>
19			#include <netinet/tcp.h>
20
21	root	1.28	#include <inttypes.h>
22
23	root	1.5	static PangoContext *context;
24			static PangoFontMap *fontmap;
25	root	1.2
26	root	1.14	typedef struct cf_layout {
27			PangoLayout *pl;
28			int base_height;
29	root	1.15	} *CFClient__Layout;
30	root	1.14
31			static void
32	root	1.19	substitute_func (FcPattern *pattern, gpointer data)
33			{
34	root	1.20	FcPatternAddBool (pattern, FC_HINTING , 1);
35			FcPatternAddBool (pattern, FC_AUTOHINT, 1);
36	root	1.19	}
37
38			static void
39	root	1.17	layout_update (CFClient__Layout self)
40			{
41	root	1.19	/* use a random scale factor to account for unknown descenders, 0.8 works
42			* reasonably well with bitstream vera
43			*/
44	root	1.17	PangoFontDescription *font = pango_context_get_font_description (context);
45	root	1.19	pango_font_description_set_absolute_size (font, self->base_height * (PANGO_SCALE * 8 / 10));
46	root	1.17	}
47
48			static void
49	root	1.15	layout_get_pixel_size (CFClient__Layout self, int w, int h)
50	root	1.14	{
51	root	1.19	layout_update (self);
52	root	1.16
53	root	1.14	pango_layout_get_pixel_size (self->pl, w, h);
54
55			w = (w + 3) & ~3;
56			if (!w) w = 1;
57			if (!h) h = 1;
58			}
59
60	root	1.28	typedef struct {
61			uint16_t face[3];
62			uint8_t darkness;
63			uint8_t padding;
64			} mapcell;
65
66			typedef struct {
67			uint32_t cols;
68			mapcell *col;
69			} maprow;
70
71			typedef struct map {
72			int x, y, w, h;
73			int faces;
74			GLint *face;
75
76			uint32_t rows;
77			maprow *row;
78			} *CFClient__Map;
79
80	root	1.15	MODULE = CFClient PACKAGE = CFClient
81	root	1.1
82	root	1.11	PROTOTYPES: ENABLE
83
84	root	1.5	BOOT:
85			{
86			fontmap = pango_ft2_font_map_new ();
87	root	1.19	pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, substitute_func, 0, 0);
88	root	1.8	context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
89	root	1.5	}
90
91	root	1.10	void
92			lowdelay (int fd, int val = 1)
93			CODE:
94			setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
95
96	root	1.3	char *
97	root	1.4	gl_version ()
98			CODE:
99	root	1.5	RETVAL = (char *)glGetString (GL_VERSION);
100	root	1.4	OUTPUT:
101			RETVAL
102
103			char *
104	root	1.3	gl_extensions ()
105			CODE:
106	root	1.5	RETVAL = (char *)glGetString (GL_EXTENSIONS);
107	root	1.3	OUTPUT:
108			RETVAL
109
110	root	1.5	void
111	root	1.13	add_font (char *file)
112			CODE:
113			FcConfigAppFontAddFile (0, (const FcChar8 )file); / no idea wether this is required */
114
115			void
116	root	1.9	set_font (char *file)
117	root	1.8	CODE:
118			{
119	root	1.9	int count;
120			FcPattern pattern = FcFreeTypeQuery ((const FcChar8 )file, 0, 0, &count);
121	root	1.10	PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
122	root	1.9	FcPatternDestroy (pattern);
123	root	1.8	pango_context_set_font_description (context, font);
124			}
125
126	root	1.23	void
127			load_image_inline (SV *image_)
128			ALIAS:
129			load_image_file = 1
130			PPCODE:
131			{
132			STRLEN image_len;
133			char image = (char )SvPVbyte (image_, image_len);
134			SDL_Surface surface, surface2;
135			SDL_PixelFormat fmt;
136			SDL_RWops *rw = ix
137			? SDL_RWFromFile (image, "r")
138			: SDL_RWFromConstMem (image, image_len);
139
140			if (!rw)
141			croak ("load_image: unable to open file");
142
143			surface = IMG_Load_RW (rw, 1);
144			if (!surface)
145			croak ("load_image: unable to read file");
146
147			fmt.palette = NULL;
148			fmt.BitsPerPixel = 32;
149			fmt.BytesPerPixel = 4;
150			fmt.Rmask = 0x000000ff;
151			fmt.Gmask = 0x0000ff00;
152			fmt.Bmask = 0x00ff0000;
153			fmt.Amask = 0xff000000;
154			fmt.Rloss = 0;
155			fmt.Gloss = 0;
156			fmt.Bloss = 0;
157			fmt.Aloss = 0;
158			fmt.Rshift = 0;
159			fmt.Gshift = 8;
160			fmt.Bshift = 16;
161			fmt.Ashift = 24;
162			fmt.colorkey = 0;
163			fmt.alpha = 0;
164
165			surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);
166
167			EXTEND (SP, 5);
168			PUSHs (sv_2mortal (newSViv (surface2->w)));
169			PUSHs (sv_2mortal (newSViv (surface2->h)));
170			SDL_LockSurface (surface2);
171			PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
172			SDL_UnlockSurface (surface2);
173	root	1.24	PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY \| SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
174	root	1.23	PUSHs (sv_2mortal (newSViv (GL_RGBA)));
175			PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_INT_8_8_8_8_REV)));
176
177			SDL_FreeSurface (surface);
178			SDL_FreeSurface (surface2);
179			}
180
181	root	1.25	void
182			fatal (char *message)
183			CODE:
184			#ifdef WIN32
185			MessageBox (0, message, "Crossfire+ Fatal Error", MB_OK \| MB_ICONERROR \| MB_SETFOREGROUND);
186			#else
187			fprintf (stderr, "%s\n", message);
188			#endif
189			exit (1);
190
191	root	1.15	MODULE = CFClient PACKAGE = CFClient::Layout
192	root	1.14
193	root	1.15	CFClient::Layout
194	root	1.14	new (SV *class, int base_height = 10)
195			CODE:
196			New (0, RETVAL, 1, struct cf_layout);
197			RETVAL->base_height = base_height;
198			RETVAL->pl = pango_layout_new (context);
199			pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
200			OUTPUT:
201			RETVAL
202
203			void
204	root	1.15	DESTROY (CFClient::Layout self)
205	root	1.14	CODE:
206			g_object_unref (self->pl);
207			Safefree (self);
208	root	1.13
209	root	1.8	void
210	root	1.15	set_markup (CFClient::Layout self, SV *text_)
211	root	1.14	CODE:
212	root	1.5	{
213			STRLEN textlen;
214			char *text = SvPVutf8 (text_, textlen);
215	root	1.14
216			pango_layout_set_markup (self->pl, text, textlen);
217			}
218
219			void
220	root	1.16	set_height (CFClient::Layout self, int base_height)
221			CODE:
222			self->base_height = base_height;
223
224			void
225	root	1.15	set_width (CFClient::Layout self, int max_width = -1)
226	root	1.14	CODE:
227			pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
228
229			void
230	root	1.15	size (CFClient::Layout self)
231	root	1.14	PPCODE:
232			{
233			int w, h;
234
235	root	1.17	layout_update (self);
236	root	1.14	layout_get_pixel_size (self, &w, &h);
237
238			EXTEND (SP, 2);
239			PUSHs (sv_2mortal (newSViv (w)));
240			PUSHs (sv_2mortal (newSViv (h)));
241			}
242
243	root	1.17	int
244			xy_to_index (CFClient::Layout self, int x, int y)
245			CODE:
246			{
247			int index, trailing;
248
249			layout_update (self);
250			pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);
251
252			RETVAL = index;
253			}
254			OUTPUT:
255			RETVAL
256
257			void
258			cursor_pos (CFClient::Layout self, int index)
259			PPCODE:
260			{
261			PangoRectangle strong_pos;
262			layout_update (self);
263			pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
264			EXTEND (SP, 3);
265			PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE)));
266			PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE)));
267			PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
268			}
269
270	root	1.14	void
271	root	1.15	render (CFClient::Layout self)
272	root	1.14	PPCODE:
273			{
274	root	1.5	SV *retval;
275			int w, h;
276			FT_Bitmap bitmap;
277
278	root	1.17	layout_update (self);
279	root	1.14	layout_get_pixel_size (self, &w, &h);
280	root	1.5
281			retval = newSV (w * h);
282			SvPOK_only (retval);
283			SvCUR_set (retval, w * h);
284
285			bitmap.rows = h;
286			bitmap.width = w;
287			bitmap.pitch = w;
288			bitmap.buffer = (unsigned char*)SvPVX (retval);
289			bitmap.num_grays = 256;
290			bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
291
292			memset (bitmap.buffer, 0, w * h);
293
294	root	1.14	pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
295	root	1.1
296	root	1.5	EXTEND (SP, 3);
297			PUSHs (sv_2mortal (newSViv (w)));
298			PUSHs (sv_2mortal (newSViv (h)));
299			PUSHs (sv_2mortal (retval));
300			}
301	root	1.11
302	root	1.15	MODULE = CFClient PACKAGE = CFClient::Texture
303	root	1.11
304			void
305	root	1.12	draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
306			PROTOTYPE: $$$;$$
307	root	1.11	CODE:
308			{
309	root	1.12	HV hv = (HV )SvRV (self);
310			double s = SvNV (*hv_fetch (hv, "s", 1, 1));
311			double t = SvNV (*hv_fetch (hv, "t", 1, 1));
312			int name = SvIV (*hv_fetch (hv, "name", 4, 1));
313
314			if (items < 5)
315			{
316	root	1.18	w = SvNV (*hv_fetch (hv, "w", 1, 1));
317			h = SvNV (*hv_fetch (hv, "h", 1, 1));
318	root	1.12	}
319
320			glBindTexture (GL_TEXTURE_2D, name);
321			glBegin (GL_QUADS);
322			glTexCoord2d (0, 0); glVertex2d (x , y );
323			glTexCoord2d (0, t); glVertex2d (x , y + h);
324			glTexCoord2d (s, t); glVertex2d (x + w, y + h);
325			glTexCoord2d (s, 0); glVertex2d (x + w, y );
326			glEnd ();
327	root	1.11	}
328	root	1.28
329			MODULE = CFClient PACKAGE = CFClient::Map
330
331			CFClient::Map
332			new (SV *class, int map_width, int map_height)
333			CODE:
334			New (0, RETVAL, 1, struct map);
335			RETVAL->x = 0;
336			RETVAL->y = 0;
337			RETVAL->w = map_width;
338			RETVAL->h = map_height;
339			RETVAL->faces = 0;
340			RETVAL->face = 0;
341
342			RETVAL->rows = 0;
343			RETVAL->row = 0;
344			OUTPUT:
345			RETVAL
346
347			void
348			DESTROY (CFClient::Map self)
349			CODE:
350			{
351			int r, c;
352
353			Safefree (self->face);
354			for (r = 0; r < self->rows; r++)
355			{
356			maprow *row = self->row + r;
357			if (!row)
358			continue;
359
360			Safefree (row->col);
361			}
362
363			Safefree (self->row);
364			Safefree (self);
365			}
366