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/cvs/deliantra/Deliantra-Client/Client.xs
Revision: 1.29
Committed: Thu Apr 13 01:55:38 2006 UTC (18 years, 1 month ago) by root
Branch: MAIN
Changes since 1.28: +184 -12 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #include "EXTERN.h"
2 #include "perl.h"
3 #include "XSUB.h"
4
5 #include <string.h>
6 #include <stdio.h>
7
8 #include <SDL.h>
9 #include <SDL_image.h>
10 #include <SDL_opengl.h>
11
12 #include <pango/pango.h>
13 #include <pango/pangofc-fontmap.h>
14 #include <pango/pangoft2.h>
15
16 #include <sys/types.h>
17 #include <sys/socket.h>
18 #include <netinet/in.h>
19 #include <netinet/tcp.h>
20
21 #include <inttypes.h>
22
23 #define FOW_DARKNESS 32
24
25 #define MAP_EXTEND_X 32
26 #define MAP_EXTEND_Y 512
27
28 static PangoContext *context;
29 static PangoFontMap *fontmap;
30
31 typedef struct cf_layout {
32 PangoLayout *pl;
33 int base_height;
34 } *CFClient__Layout;
35
36 static void
37 substitute_func (FcPattern *pattern, gpointer data)
38 {
39 FcPatternAddBool (pattern, FC_HINTING , 1);
40 FcPatternAddBool (pattern, FC_AUTOHINT, 1);
41 }
42
43 static void
44 layout_update (CFClient__Layout self)
45 {
46 /* use a random scale factor to account for unknown descenders, 0.8 works
47 * reasonably well with bitstream vera
48 */
49 PangoFontDescription *font = pango_context_get_font_description (context);
50 pango_font_description_set_absolute_size (font, self->base_height * (PANGO_SCALE * 8 / 10));
51 }
52
53 static void
54 layout_get_pixel_size (CFClient__Layout self, int *w, int *h)
55 {
56 layout_update (self);
57
58 pango_layout_get_pixel_size (self->pl, w, h);
59
60 *w = (*w + 3) & ~3;
61 if (!*w) *w = 1;
62 if (!*h) *h = 1;
63 }
64
65 typedef struct {
66 int16_t darkness;
67 uint16_t face[3];
68 } mapcell;
69
70 typedef struct {
71 uint32_t c0, c1;
72 mapcell *col;
73 } maprow;
74
75 typedef struct map {
76 int x, y, w, h;
77 int faces;
78 GLint *face;
79
80 uint32_t rows;
81 maprow *row;
82 } *CFClient__Map;
83
84 static void
85 map_blank (CFClient__Map self, int x0, int y0, int w, int h)
86 {
87 int x, y;
88
89 for (y = y0; y < y0 + h; y++)
90 {
91 if (y >= self->rows)
92 break;
93
94 maprow *row = self->row + y;
95
96 for (x = x0; x < x0 + w; x++)
97 if (x >= row->c0)
98 {
99 if (x >= row->c1)
100 break;
101
102 row->col[x].darkness = -1;
103 }
104 }
105 }
106
107 MODULE = CFClient PACKAGE = CFClient
108
109 PROTOTYPES: ENABLE
110
111 BOOT:
112 {
113 fontmap = pango_ft2_font_map_new ();
114 pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, substitute_func, 0, 0);
115 context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
116 }
117
118 void
119 lowdelay (int fd, int val = 1)
120 CODE:
121 setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
122
123 char *
124 gl_version ()
125 CODE:
126 RETVAL = (char *)glGetString (GL_VERSION);
127 OUTPUT:
128 RETVAL
129
130 char *
131 gl_extensions ()
132 CODE:
133 RETVAL = (char *)glGetString (GL_EXTENSIONS);
134 OUTPUT:
135 RETVAL
136
137 void
138 add_font (char *file)
139 CODE:
140 FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
141
142 void
143 set_font (char *file)
144 CODE:
145 {
146 int count;
147 FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
148 PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
149 FcPatternDestroy (pattern);
150 pango_context_set_font_description (context, font);
151 }
152
153 void
154 load_image_inline (SV *image_)
155 ALIAS:
156 load_image_file = 1
157 PPCODE:
158 {
159 STRLEN image_len;
160 char *image = (char *)SvPVbyte (image_, image_len);
161 SDL_Surface *surface, *surface2;
162 SDL_PixelFormat fmt;
163 SDL_RWops *rw = ix
164 ? SDL_RWFromFile (image, "r")
165 : SDL_RWFromConstMem (image, image_len);
166
167 if (!rw)
168 croak ("load_image: unable to open file");
169
170 surface = IMG_Load_RW (rw, 1);
171 if (!surface)
172 croak ("load_image: unable to read file");
173
174 fmt.palette = NULL;
175 fmt.BitsPerPixel = 32;
176 fmt.BytesPerPixel = 4;
177 fmt.Rmask = 0x000000ff;
178 fmt.Gmask = 0x0000ff00;
179 fmt.Bmask = 0x00ff0000;
180 fmt.Amask = 0xff000000;
181 fmt.Rloss = 0;
182 fmt.Gloss = 0;
183 fmt.Bloss = 0;
184 fmt.Aloss = 0;
185 fmt.Rshift = 0;
186 fmt.Gshift = 8;
187 fmt.Bshift = 16;
188 fmt.Ashift = 24;
189 fmt.colorkey = 0;
190 fmt.alpha = 0;
191
192 surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);
193
194 EXTEND (SP, 5);
195 PUSHs (sv_2mortal (newSViv (surface2->w)));
196 PUSHs (sv_2mortal (newSViv (surface2->h)));
197 SDL_LockSurface (surface2);
198 PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
199 SDL_UnlockSurface (surface2);
200 PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
201 PUSHs (sv_2mortal (newSViv (GL_RGBA)));
202 PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_INT_8_8_8_8_REV)));
203
204 SDL_FreeSurface (surface);
205 SDL_FreeSurface (surface2);
206 }
207
208 void
209 fatal (char *message)
210 CODE:
211 #ifdef WIN32
212 MessageBox (0, message, "Crossfire+ Fatal Error", MB_OK | MB_ICONERROR | MB_SETFOREGROUND);
213 #else
214 fprintf (stderr, "%s\n", message);
215 #endif
216 exit (1);
217
218 MODULE = CFClient PACKAGE = CFClient::Layout
219
220 CFClient::Layout
221 new (SV *class, int base_height = 10)
222 CODE:
223 New (0, RETVAL, 1, struct cf_layout);
224 RETVAL->base_height = base_height;
225 RETVAL->pl = pango_layout_new (context);
226 pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
227 OUTPUT:
228 RETVAL
229
230 void
231 DESTROY (CFClient::Layout self)
232 CODE:
233 g_object_unref (self->pl);
234 Safefree (self);
235
236 void
237 set_markup (CFClient::Layout self, SV *text_)
238 CODE:
239 {
240 STRLEN textlen;
241 char *text = SvPVutf8 (text_, textlen);
242
243 pango_layout_set_markup (self->pl, text, textlen);
244 }
245
246 void
247 set_height (CFClient::Layout self, int base_height)
248 CODE:
249 self->base_height = base_height;
250
251 void
252 set_width (CFClient::Layout self, int max_width = -1)
253 CODE:
254 pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
255
256 void
257 size (CFClient::Layout self)
258 PPCODE:
259 {
260 int w, h;
261
262 layout_update (self);
263 layout_get_pixel_size (self, &w, &h);
264
265 EXTEND (SP, 2);
266 PUSHs (sv_2mortal (newSViv (w)));
267 PUSHs (sv_2mortal (newSViv (h)));
268 }
269
270 int
271 xy_to_index (CFClient::Layout self, int x, int y)
272 CODE:
273 {
274 int index, trailing;
275
276 layout_update (self);
277 pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);
278
279 RETVAL = index;
280 }
281 OUTPUT:
282 RETVAL
283
284 void
285 cursor_pos (CFClient::Layout self, int index)
286 PPCODE:
287 {
288 PangoRectangle strong_pos;
289 layout_update (self);
290 pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
291 EXTEND (SP, 3);
292 PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE)));
293 PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE)));
294 PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
295 }
296
297 void
298 render (CFClient::Layout self)
299 PPCODE:
300 {
301 SV *retval;
302 int w, h;
303 FT_Bitmap bitmap;
304
305 layout_update (self);
306 layout_get_pixel_size (self, &w, &h);
307
308 retval = newSV (w * h);
309 SvPOK_only (retval);
310 SvCUR_set (retval, w * h);
311
312 bitmap.rows = h;
313 bitmap.width = w;
314 bitmap.pitch = w;
315 bitmap.buffer = (unsigned char*)SvPVX (retval);
316 bitmap.num_grays = 256;
317 bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
318
319 memset (bitmap.buffer, 0, w * h);
320
321 pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
322
323 EXTEND (SP, 3);
324 PUSHs (sv_2mortal (newSViv (w)));
325 PUSHs (sv_2mortal (newSViv (h)));
326 PUSHs (sv_2mortal (retval));
327 }
328
329 MODULE = CFClient PACKAGE = CFClient::Texture
330
331 void
332 draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
333 PROTOTYPE: $$$;$$
334 CODE:
335 {
336 HV *hv = (HV *)SvRV (self);
337 double s = SvNV (*hv_fetch (hv, "s", 1, 1));
338 double t = SvNV (*hv_fetch (hv, "t", 1, 1));
339 int name = SvIV (*hv_fetch (hv, "name", 4, 1));
340
341 if (items < 5)
342 {
343 w = SvNV (*hv_fetch (hv, "w", 1, 1));
344 h = SvNV (*hv_fetch (hv, "h", 1, 1));
345 }
346
347 glBindTexture (GL_TEXTURE_2D, name);
348 glBegin (GL_QUADS);
349 glTexCoord2d (0, 0); glVertex2d (x , y );
350 glTexCoord2d (0, t); glVertex2d (x , y + h);
351 glTexCoord2d (s, t); glVertex2d (x + w, y + h);
352 glTexCoord2d (s, 0); glVertex2d (x + w, y );
353 glEnd ();
354 }
355
356 MODULE = CFClient PACKAGE = CFClient::Map
357
358 CFClient::Map
359 new (SV *class, int map_width, int map_height)
360 CODE:
361 New (0, RETVAL, 1, struct map);
362 RETVAL->x = 0;
363 RETVAL->y = 0;
364 RETVAL->w = map_width;
365 RETVAL->h = map_height;
366 RETVAL->faces = 1;
367 Newz (0, RETVAL->face, 1, GLint);
368 RETVAL->rows = 0;
369 RETVAL->row = 0;
370 printf ("new map %d,%d\n", map_width, map_height);//D
371 OUTPUT:
372 RETVAL
373
374 void
375 DESTROY (CFClient::Map self)
376 CODE:
377 {
378 int r, c;
379
380 printf ("detroy map\n");//D
381 Safefree (self->face);
382
383 for (r = 0; r < self->rows; r++)
384 Safefree (self->row[r].col);
385
386 Safefree (self->row);
387 Safefree (self);
388 }
389
390 void
391 set_face (CFClient::Map self, int facenum, int face)
392 CODE:
393 {
394 while (self->faces < facenum)
395 {
396 printf ("setface %d (%d) = %d\n",facenum, self->faces, face);//D
397 Renew (self->face, self->faces * 2, GLint);
398 Zero (self->face + self->faces, self->faces, GLint);
399 self->faces *= 2;
400 }
401
402 self->face [facenum] = face;
403 }
404
405 void
406 scroll (CFClient::Map self, int dx, int dy)
407 CODE:
408 {
409 printf ("map_scroll %d,%d\n", dx, dy);//D
410 if (dx > 0)
411 map_blank (self, self->x, self->y, dx - 1, self->h);
412 else if (dx < 0)
413 map_blank (self, self->x + self->w + dx + 1, self->y, 1 - dx, self->h);
414
415 if (dy > 0)
416 map_blank (self, self->x, self->y, self->w, dy - 1);
417 else if (dy < 0)
418 map_blank (self, self->x, self->y + self->h + dy + 1, self->w, 1 - dy);
419
420 self->x += dx;
421 self->y += dy;
422
423 while (self->y < 0)
424 {
425 maprow *row;
426
427 New (0, row, self->rows + MAP_EXTEND_Y, maprow);
428 Move (self->row, row + MAP_EXTEND_Y, self->rows, maprow);
429 Zero (row, MAP_EXTEND_Y, maprow);
430
431 self->rows += MAP_EXTEND_Y;
432 self->y += MAP_EXTEND_Y;
433 self->row = row;
434 }
435
436 if (self->x < 0)
437 {
438 int y;
439 for (y = 0; y < self->rows; y++)
440 {
441 self->row[y].c0 += self->x;
442 self->row[y].c1 += self->x;
443 }
444
445 self->x = 0;
446 }
447 }
448
449 void
450 map1a_update (CFClient::Map self, SV *data_)
451 CODE:
452 {
453 uint8_t *data = (uint8_t *)SvPVbytes_nolen (data_);
454 uint8_t *data_end = (uint8_t *)SvEND (data_) + 1;
455
456 while (data < data_end)
457 {
458 int flags = (data [0] << 8) + data [1]; data += 2;
459 int x = ((flags >> 10) & 63) + self->x;
460 int y = ((flags >> 4) & 63) + self->y;
461
462 while (y >= self->rows)
463 {
464 Renew (self->row, self->rows + MAP_EXTEND_Y, maprow);
465 Zero (self->row + self->rows, MAP_EXTEND_Y, maprow);
466
467 self->rows += MAP_EXTEND_Y;
468 }
469
470 assert (y < self->rows);//D
471
472 maprow *row = self->row + y;
473
474 if (!row->col)
475 {
476 Newz (0, row->col, MAP_EXTEND_X, mapcell);
477 row->c0 = self->x - MAP_EXTEND_X / 4;
478 row->c1 = row->c0 + MAP_EXTEND_X;
479 }
480
481 if (row->c0 > x)
482 {
483 int extend = row->c0 - x + MAP_EXTEND_X;
484 mapcell *col;
485
486 New (0, col, row->c1 - row->c0 + extend, mapcell);
487 Move (row->col, col + extend, row->c1 - row->c0, mapcell);
488 Zero (col, extend, mapcell);
489
490 row->col = col;
491 row->c0 -= extend;
492 }
493 else if (x >= row->c1)
494 {
495 int extend = x - row->c1 + MAP_EXTEND_X;
496
497 Renew (row->col, row->c1 - row->c0 + extend, mapcell);
498 Zero (row->col + row->c1 - row->c0, extend, mapcell);
499
500 row->c1 += extend;
501 }
502
503 assert (x >= row->c0);//D
504 assert (x < row->c1);//D
505 mapcell *cell = row->col + (x - row->c0);
506
507 if (flags & 15)
508 {
509 if (cell->darkness < 0)
510 {
511 cell->darkness = 0;
512 cell->face [0] = 0;
513 cell->face [1] = 0;
514 cell->face [2] = 0;
515 }
516
517 cell->darkness = flags & 8 ? *data++ : 255;
518
519 if (flags & 4)
520 {
521 cell->face [0] = (data [0] << 8) + data [1]; data += 2;
522 }
523
524 if (flags & 2)
525 {
526 cell->face [1] = (data [0] << 8) + data [1]; data += 2;
527 }
528
529 if (flags & 1)
530 {
531 cell->face [2] = (data [0] << 8) + data [1]; data += 2;
532 }
533 }
534 else
535 cell->darkness = -1;
536 }
537 }
538