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/cvs/deliantra/Deliantra-Client/Client.xs
Revision: 1.42
Committed: Sun Apr 16 07:25:29 2006 UTC (18 years, 1 month ago) by root
Branch: MAIN
Changes since 1.41: +265 -78 lines
Log Message:
client-side map caching, bugfixes

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 <glib/gmacros.h>
13
14 #include <pango/pango.h>
15 #include <pango/pangofc-fontmap.h>
16 #include <pango/pangoft2.h>
17
18 #include <sys/types.h>
19 #include <sys/socket.h>
20 #include <netinet/in.h>
21 #include <netinet/tcp.h>
22
23 #include <inttypes.h>
24
25 #define FOW_DARKNESS 32
26
27 #define MAP_EXTEND_X 32
28 #define MAP_EXTEND_Y 512
29
30 static PangoContext *context;
31 static PangoFontMap *fontmap;
32
33 typedef struct cf_layout {
34 PangoLayout *pl;
35 int base_height;
36 } *CFClient__Layout;
37
38 static void
39 substitute_func (FcPattern *pattern, gpointer data)
40 {
41 FcPatternAddBool (pattern, FC_HINTING , 1);
42 FcPatternAddBool (pattern, FC_AUTOHINT, 0);
43 }
44
45 static void
46 layout_update (CFClient__Layout self)
47 {
48 /* use a random scale factor to account for unknown descenders, 0.8 works
49 * reasonably well with bitstream vera
50 */
51 PangoFontDescription *font = pango_context_get_font_description (context);
52 pango_font_description_set_absolute_size (font, self->base_height * (PANGO_SCALE * 8 / 10));
53 }
54
55 static void
56 layout_get_pixel_size (CFClient__Layout self, int *w, int *h)
57 {
58 layout_update (self);
59
60 pango_layout_get_pixel_size (self->pl, w, h);
61
62 *w = (*w + 3) & ~3;
63 if (!*w) *w = 1;
64 if (!*h) *h = 1;
65 }
66
67 typedef uint16_t mapface;
68
69 typedef struct {
70 GLint name;
71 int w, h;
72 float s, t;
73 uint8_t r, g, b, a;
74 } maptex;
75
76 typedef struct {
77 int16_t darkness;
78 mapface face[3];
79 } mapcell;
80
81 typedef struct {
82 int32_t c0, c1;
83 mapcell *col;
84 } maprow;
85
86 typedef struct map {
87 int x, y, w, h;
88 int ox, oy; /* offset to virtual global coordinate system */
89 int faces;
90 mapface *face;
91
92 int texs;
93 maptex *tex;
94
95 uint32_t rows;
96 maprow *row;
97 } *CFClient__Map;
98
99 static char *
100 prepend (char *ptr, int sze, int inc)
101 {
102 char *p;
103
104 New (0, p, sze + inc, char);
105 Zero (p, inc, char);
106 Move (ptr, p + inc, sze, char);
107 Safefree (ptr);
108
109 return p;
110 }
111
112 static char *
113 append (char *ptr, int sze, int inc)
114 {
115 Renew (ptr, sze + inc, char);
116 Zero (ptr + sze, inc, char);
117
118 return ptr;
119 }
120
121 #define Append(type,ptr,sze,inc) (ptr) = (type *)append ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
122 #define Prepend(type,ptr,sze,inc) (ptr) = (type *)prepend ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
123
124 static maprow *
125 map_get_row (CFClient__Map self, int y)
126 {
127 if (0 > y)
128 {
129 int extend = - y + MAP_EXTEND_Y;
130 Prepend (maprow, self->row, self->rows, extend);
131
132 self->rows += extend;
133 self->y += extend;
134 y += extend;
135 }
136 else if (y >= self->rows)
137 {
138 int extend = y - self->rows + MAP_EXTEND_Y;
139 Append (maprow, self->row, self->rows, extend);
140 self->rows += extend;
141 }
142
143 return self->row + y;
144 }
145
146 static mapcell *
147 row_get_cell (maprow *row, int x)
148 {
149 if (!row->col)
150 {
151 Newz (0, row->col, MAP_EXTEND_X, mapcell);
152 row->c0 = x - MAP_EXTEND_X / 4;
153 row->c1 = row->c0 + MAP_EXTEND_X;
154 }
155
156 if (row->c0 > x)
157 {
158 int extend = row->c0 - x + MAP_EXTEND_X;
159 Prepend (mapcell, row->col, row->c1 - row->c0, extend);
160 row->c0 -= extend;
161 }
162 else if (x >= row->c1)
163 {
164 int extend = x - row->c1 + MAP_EXTEND_X;
165 Append (mapcell, row->col, row->c1 - row->c0, extend);
166 row->c1 += extend;
167 }
168
169 return row->col + (x - row->c0);
170 }
171
172 static mapcell *
173 map_get_cell (CFClient__Map self, int x, int y)
174 {
175 return row_get_cell (map_get_row (self, y), x);
176 }
177
178 static void
179 map_clear (CFClient__Map self)
180 {
181 int r;
182
183 for (r = 0; r < self->rows; r++)
184 Safefree (self->row[r].col);
185
186 Safefree (self->row);
187
188 self->x = 0;
189 self->y = 0;
190 self->ox = 0;
191 self->oy = 0;
192 self->row = 0;
193 self->rows = 0;
194 }
195
196 static void
197 map_blank (CFClient__Map self, int x0, int y0, int w, int h)
198 {
199 int x, y;
200
201 for (y = y0; y < y0 + h; y++)
202 if (y >= 0)
203 {
204 if (y >= self->rows)
205 break;
206
207 maprow *row = self->row + y;
208
209 for (x = x0; x < x0 + w; x++)
210 if (x >= row->c0)
211 {
212 if (x >= row->c1)
213 break;
214
215 row->col[x - row->c0].darkness = -1;
216 }
217 }
218 }
219
220 MODULE = CFClient PACKAGE = CFClient
221
222 PROTOTYPES: ENABLE
223
224 BOOT:
225 {
226 fontmap = pango_ft2_font_map_new ();
227 pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, substitute_func, 0, 0);
228 context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
229 }
230
231 void
232 lowdelay (int fd, int val = 1)
233 CODE:
234 setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
235
236 char *
237 gl_version ()
238 CODE:
239 RETVAL = (char *)glGetString (GL_VERSION);
240 OUTPUT:
241 RETVAL
242
243 char *
244 gl_extensions ()
245 CODE:
246 RETVAL = (char *)glGetString (GL_EXTENSIONS);
247 OUTPUT:
248 RETVAL
249
250 void
251 add_font (char *file)
252 CODE:
253 FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
254
255 void
256 set_font (char *file)
257 CODE:
258 {
259 int count;
260 FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
261 PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
262 FcPatternDestroy (pattern);
263 pango_context_set_font_description (context, font);
264 }
265
266 void
267 load_image_inline (SV *image_)
268 ALIAS:
269 load_image_file = 1
270 PPCODE:
271 {
272 STRLEN image_len;
273 char *image = (char *)SvPVbyte (image_, image_len);
274 SDL_Surface *surface, *surface2;
275 SDL_PixelFormat fmt;
276 SDL_RWops *rw = ix
277 ? SDL_RWFromFile (image, "r")
278 : SDL_RWFromConstMem (image, image_len);
279
280 if (!rw)
281 croak ("load_image: %s", SDL_GetError ());
282
283 surface = IMG_Load_RW (rw, 1);
284 if (!surface)
285 croak ("load_image: %s", SDL_GetError ());
286
287 fmt.palette = NULL;
288 fmt.BitsPerPixel = 32;
289 fmt.BytesPerPixel = 4;
290 fmt.Rmask = 0x000000ff;
291 fmt.Gmask = 0x0000ff00;
292 fmt.Bmask = 0x00ff0000;
293 fmt.Amask = 0xff000000;
294 fmt.Rloss = 0;
295 fmt.Gloss = 0;
296 fmt.Bloss = 0;
297 fmt.Aloss = 0;
298 fmt.Rshift = 0;
299 fmt.Gshift = 8;
300 fmt.Bshift = 16;
301 fmt.Ashift = 24;
302 fmt.colorkey = 0;
303 fmt.alpha = 0;
304
305 surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);
306
307 assert (surface2->pitch == surface2->w * 4);
308
309 EXTEND (SP, 5);
310 PUSHs (sv_2mortal (newSViv (surface2->w)));
311 PUSHs (sv_2mortal (newSViv (surface2->h)));
312 SDL_LockSurface (surface2);
313 PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
314 SDL_UnlockSurface (surface2);
315 PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
316 PUSHs (sv_2mortal (newSViv (GL_RGBA)));
317 PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_INT_8_8_8_8_REV)));
318
319 SDL_FreeSurface (surface);
320 SDL_FreeSurface (surface2);
321 }
322
323 void
324 average (int x, int y, uint32_t *data)
325 PPCODE:
326 {
327 uint32_t r = 0, g = 0, b = 0, a = 0;
328
329 x = y = x * y;
330
331 while (x--)
332 {
333 uint32_t p = *data++;
334
335 r += (p ) & 255;
336 g += (p >> 8) & 255;
337 b += (p >> 16) & 255;
338 a += (p >> 24) & 255;
339 }
340
341 EXTEND (SP, 4);
342 PUSHs (sv_2mortal (newSViv (r / y)));
343 PUSHs (sv_2mortal (newSViv (g / y)));
344 PUSHs (sv_2mortal (newSViv (b / y)));
345 PUSHs (sv_2mortal (newSViv (a / y)));
346 }
347
348 void
349 fatal (char *message)
350 CODE:
351 #ifdef WIN32
352 MessageBox (0, message, "Crossfire+ Fatal Error", MB_OK | MB_ICONERROR | MB_SETFOREGROUND);
353 #else
354 fprintf (stderr, "FATAL: %s\n", message);
355 #endif
356 exit (1);
357
358 MODULE = CFClient PACKAGE = CFClient::Layout
359
360 CFClient::Layout
361 new (SV *class, int base_height = 10)
362 CODE:
363 New (0, RETVAL, 1, struct cf_layout);
364 RETVAL->base_height = base_height;
365 RETVAL->pl = pango_layout_new (context);
366 pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
367 OUTPUT:
368 RETVAL
369
370 void
371 DESTROY (CFClient::Layout self)
372 CODE:
373 g_object_unref (self->pl);
374 Safefree (self);
375
376 void
377 set_text (CFClient::Layout self, SV *text_)
378 CODE:
379 {
380 STRLEN textlen;
381 char *text = SvPVutf8 (text_, textlen);
382
383 pango_layout_set_text (self->pl, text, textlen);
384 }
385
386 void
387 set_markup (CFClient::Layout self, SV *text_)
388 CODE:
389 {
390 STRLEN textlen;
391 char *text = SvPVutf8 (text_, textlen);
392
393 pango_layout_set_markup (self->pl, text, textlen);
394 }
395
396 void
397 set_height (CFClient::Layout self, int base_height)
398 CODE:
399 self->base_height = base_height;
400
401 void
402 set_width (CFClient::Layout self, int max_width = -1)
403 CODE:
404 pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
405
406 void
407 size (CFClient::Layout self)
408 PPCODE:
409 {
410 int w, h;
411
412 layout_update (self);
413 layout_get_pixel_size (self, &w, &h);
414
415 EXTEND (SP, 2);
416 PUSHs (sv_2mortal (newSViv (w)));
417 PUSHs (sv_2mortal (newSViv (h)));
418 }
419
420 int
421 xy_to_index (CFClient::Layout self, int x, int y)
422 CODE:
423 {
424 int index, trailing;
425
426 layout_update (self);
427 pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);
428
429 RETVAL = index;
430 }
431 OUTPUT:
432 RETVAL
433
434 void
435 cursor_pos (CFClient::Layout self, int index)
436 PPCODE:
437 {
438 PangoRectangle strong_pos;
439 layout_update (self);
440 pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
441
442 EXTEND (SP, 3);
443 PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE)));
444 PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE)));
445 PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
446 }
447
448 void
449 render (CFClient::Layout self)
450 PPCODE:
451 {
452 SV *retval;
453 int w, h;
454 FT_Bitmap bitmap;
455
456 layout_update (self);
457 layout_get_pixel_size (self, &w, &h);
458
459 retval = newSV (w * h);
460 SvPOK_only (retval);
461 SvCUR_set (retval, w * h);
462
463 bitmap.rows = h;
464 bitmap.width = w;
465 bitmap.pitch = w;
466 bitmap.buffer = (unsigned char*)SvPVX (retval);
467 bitmap.num_grays = 256;
468 bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
469
470 memset (bitmap.buffer, 0, w * h);
471
472 pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
473
474 EXTEND (SP, 3);
475 PUSHs (sv_2mortal (newSViv (w)));
476 PUSHs (sv_2mortal (newSViv (h)));
477 PUSHs (sv_2mortal (retval));
478 }
479
480 MODULE = CFClient PACKAGE = CFClient::Texture
481
482 void
483 draw_quad (SV *self, float x, float y, float w = 0, float h = 0)
484 PROTOTYPE: $$$;$$
485 CODE:
486 {
487 HV *hv = (HV *)SvRV (self);
488 float s = SvNV (*hv_fetch (hv, "s", 1, 1));
489 float t = SvNV (*hv_fetch (hv, "t", 1, 1));
490 int name = SvIV (*hv_fetch (hv, "name", 4, 1));
491 int wrap_mode = SvIV (*hv_fetch (hv, "wrap_mode", 9, 1));
492
493 if (items < 5)
494 {
495 w = SvNV (*hv_fetch (hv, "w", 1, 1));
496 h = SvNV (*hv_fetch (hv, "h", 1, 1));
497 }
498
499 glBindTexture (GL_TEXTURE_2D, name);
500 if (wrap_mode) {
501 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
502 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
503 }
504 glBegin (GL_QUADS);
505 glTexCoord2f (0, 0); glVertex2f (x , y );
506 glTexCoord2f (0, t); glVertex2f (x , y + h);
507 glTexCoord2f (s, t); glVertex2f (x + w, y + h);
508 glTexCoord2f (s, 0); glVertex2f (x + w, y );
509 glEnd ();
510 }
511
512 MODULE = CFClient PACKAGE = CFClient::Map
513
514 CFClient::Map
515 new (SV *class, int map_width, int map_height)
516 CODE:
517 New (0, RETVAL, 1, struct map);
518 RETVAL->x = 0;
519 RETVAL->y = 0;
520 RETVAL->w = map_width;
521 RETVAL->h = map_height;
522 RETVAL->ox = 0;
523 RETVAL->oy = 0;
524 RETVAL->faces = 8192;
525 Newz (0, RETVAL->face, RETVAL->faces, mapface);
526 RETVAL->texs = 8192;
527 Newz (0, RETVAL->tex, RETVAL->texs, maptex);
528 RETVAL->rows = 0;
529 RETVAL->row = 0;
530 OUTPUT:
531 RETVAL
532
533 void
534 DESTROY (CFClient::Map self)
535 CODE:
536 {
537 map_clear (self);
538 Safefree (self->face);
539 Safefree (self);
540 }
541
542 void
543 clear (CFClient::Map self)
544 CODE:
545 map_clear (self);
546
547 void
548 set_face (CFClient::Map self, int face, int texid)
549 CODE:
550 {
551 while (self->faces <= face)
552 {
553 Append (mapface, self->face, self->faces, self->faces);
554 self->faces *= 2;
555 }
556
557 self->face [face] = texid;
558 }
559
560 void
561 set_texture (CFClient::Map self, int texid, int name, int w, int h, float s, float t, int r, int g, int b, int a)
562 CODE:
563 {
564 while (self->texs <= texid)
565 {
566 Append (maptex, self->tex, self->texs, self->texs);
567 self->texs *= 2;
568 }
569
570 maptex *tex = self->tex + texid;
571
572 tex->name = name;
573 tex->w = w;
574 tex->h = h;
575 tex->s = s;
576 tex->t = t;
577 tex->r = r;
578 tex->g = g;
579 tex->b = b;
580 tex->a = a;
581 }
582
583 void
584 scroll (CFClient::Map self, int dx, int dy)
585 CODE:
586 {
587 if (dx > 0)
588 map_blank (self, self->x, self->y, dx - 1, self->h);
589 else if (dx < 0)
590 map_blank (self, self->x + self->w + dx + 1, self->y, 1 - dx, self->h);
591
592 if (dy > 0)
593 map_blank (self, self->x, self->y, self->w, dy - 1);
594 else if (dy < 0)
595 map_blank (self, self->x, self->y + self->h + dy + 1, self->w, 1 - dy);
596
597 self->x += dx; self->ox += dx;
598 self->y += dy; self->oy += dy;
599
600 while (self->y < 0)
601 {
602 Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
603
604 self->rows += MAP_EXTEND_Y;
605 self->y += MAP_EXTEND_Y;
606 }
607 }
608
609 int
610 ox (CFClient::Map self)
611 ALIAS:
612 oy = 1
613 CODE:
614 switch (ix)
615 {
616 case 0: RETVAL = self->ox; break;
617 case 1: RETVAL = self->oy; break;
618 }
619 OUTPUT:
620 RETVAL
621
622 void
623 map1a_update (CFClient::Map self, SV *data_)
624 CODE:
625 {
626 uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);
627 uint8_t *data_end = (uint8_t *)SvEND (data_);
628
629 while (data < data_end)
630 {
631 int flags = (data [0] << 8) + data [1]; data += 2;
632
633 int x = ((flags >> 10) & 63) + self->x;
634 int y = ((flags >> 4) & 63) + self->y;
635
636 mapcell *cell = map_get_cell (self, x, y);
637
638 if (flags & 15)
639 {
640 if (cell->darkness < 0) // && x < self->w && y < self->h)
641 {
642 cell->darkness = 0;
643 cell->face [0] = 0;
644 cell->face [1] = 0;
645 cell->face [2] = 0;
646 }
647
648 cell->darkness = flags & 8 ? *data++ : 255;
649
650 //TODO: don't trust server data to be in-range(!)
651
652 if (flags & 4)
653 {
654 cell->face [0] = self->face [(data [0] << 8) + data [1]]; data += 2;
655 }
656
657 if (flags & 2)
658 {
659 cell->face [1] = self->face [(data [0] << 8) + data [1]]; data += 2;
660 }
661
662 if (flags & 1)
663 {
664 cell->face [2] = self->face [(data [0] << 8) + data [1]]; data += 2;
665 }
666 }
667 else
668 cell->darkness = -1;
669 }
670 }
671
672 SV *
673 mapmap (CFClient::Map self, int w, int h)
674 CODE:
675 {
676 int x0, x1, x;
677 int y0, y1, y;
678 int z;
679 SV *map_sv = newSV (w * h * sizeof (uint32_t));
680 uint32_t *map = (uint32_t *)SvPVX (map_sv);
681
682 SvPOK_only (map_sv);
683 SvCUR_set (map_sv, w * h * sizeof (uint32_t));
684
685 x0 = self->x - w / 2; x1 = x0 + w;
686 y0 = self->y - h / 2; y1 = y0 + h;
687
688 for (y = y0; y < y1; y++)
689 {
690 maprow *row = 0 <= y && y < self->rows
691 ? self->row + y
692 : 0;
693
694 for (x = x0; x < x1; x++)
695 {
696 int r = 32, g = 32, b = 32, a = 192;
697
698 if (row && row->c0 <= x && x < row->c1)
699 {
700 mapcell *cell = row->col + (x - row->c0);
701
702 for (z = 0; z <= 0; z++)
703 {
704 mapface face = cell->face [z];
705
706 if (face)
707 {
708 maptex tex = self->tex [face];
709 int a0 = 255 - tex.a;
710 int a1 = tex.a;
711
712 r = (r * a0 + tex.r * a1) / 255;
713 g = (g * a0 + tex.g * a1) / 255;
714 b = (b * a0 + tex.b * a1) / 255;
715 a = (a * a0 + tex.a * a1) / 255;
716 }
717 }
718 }
719
720 *map++ = (r )
721 | (g << 8)
722 | (b << 16)
723 | (a << 24);
724 }
725 }
726
727 RETVAL = map_sv;
728 }
729 OUTPUT:
730 RETVAL
731
732 void
733 draw (CFClient::Map self, int shift_x, int shift_y, int x0, int y0, int sw, int sh)
734 PPCODE:
735 {
736 int sw4 = (sw + 3) & ~3;
737 SV *darkness_sv = sv_2mortal (newSV (sw4 * sh));
738 uint8_t *darkness = (uint8_t *)SvPVX (darkness_sv);
739 memset (darkness, 255, sw4 * sh);
740 SvPOK_only (darkness_sv);
741 SvCUR_set (darkness_sv, sw4 * sh);
742
743 int vx = self->x + (self->w - sw) / 2 - shift_x;
744 int vy = self->y + (self->h - sh) / 2 - shift_y;
745
746 /*
747 int vx = self->vx = self->w >= sw
748 ? self->x + (self->w - sw) / 2
749 : MIN (self->x, MAX (self->x + self->w - sw + 1, self->vx));
750
751 int vy = self->vy = self->h >= sh
752 ? self->y + (self->h - sh) / 2
753 : MIN (self->y, MAX (self->y + self->h - sh + 1, self->vy));
754 */
755
756 glColor4ub (255, 255, 255, 255);
757
758 glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
759 glEnable (GL_BLEND);
760 glEnable (GL_TEXTURE_2D);
761 glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
762
763 int x, y, z;
764
765 int last_name = 0;
766
767 glBegin (GL_QUADS);
768
769 for (z = 0; z < 3; z++)
770 for (y = 0; y < sh; y++)
771 if (0 <= y + vy && y + vy < self->rows)
772 {
773 maprow *row = self->row + (y + vy);
774
775 for (x = 0; x < sw; x++)
776 if (row->c0 <= x + vx && x + vx < row->c1)
777 {
778 mapcell *cell = row->col + (x + vx - row->c0);
779
780 darkness[y * sw4 + x] = cell->darkness < 0
781 ? 255 - FOW_DARKNESS
782 : 255 - cell->darkness;
783
784 mapface face = cell->face [z];
785
786 if (face)
787 {
788 maptex tex = self->tex [face];
789
790 int px = (x + 1) * 32 - tex.w;
791 int py = (y + 1) * 32 - tex.h;
792
793 if (last_name != tex.name)
794 {
795 glEnd ();
796 last_name = tex.name;
797 glBindTexture (GL_TEXTURE_2D, last_name);
798 glBegin (GL_QUADS);
799 }
800
801 glTexCoord2f (0 , 0 ); glVertex2f (px , py );
802 glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);
803 glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
804 glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );
805 }
806 }
807 }
808
809 glEnd ();
810
811 glDisable (GL_TEXTURE_2D);
812 glDisable (GL_BLEND);
813
814 EXTEND (SP, 3);
815 PUSHs (sv_2mortal (newSViv (sw4)));
816 PUSHs (sv_2mortal (newSViv (sh)));
817 PUSHs (darkness_sv);
818 }
819
820 SV *
821 get_rect (CFClient::Map self, int x0, int y0, int w, int h)
822 CODE:
823 {
824 int x, y, x1, y1;
825 SV *data_sv = newSV (w * h * 7 + 5);
826 uint8_t *data = (uint8_t *)SvPVX (data_sv);
827
828 *data++ = 0; /* version 0 format */
829 *data++ = w >> 8; *data++ = w;
830 *data++ = h >> 8; *data++ = h;
831
832 // we need to do this 'cause we don't keep an absolute coord system for rows
833 // TODO: treat rows as we treat
834 map_get_row (self, y0 + self->y - self->oy);//D
835 map_get_row (self, y0 + self->y - self->oy + h - 1);//D
836
837 x0 += self->x - self->ox;
838 y0 += self->y - self->oy;
839
840 x1 = x0 + w;
841 y1 = y0 + h;
842
843 for (y = y0; y < y1; y++)
844 {
845 maprow *row = 0 <= y && y < self->rows
846 ? self->row + y
847 : 0;
848
849 for (x = x0; x < x1; x++)
850 {
851 if (row && row->c0 <= x && x < row->c1)
852 {
853 mapcell *cell = row->col + (x - row->c0);
854
855 uint8_t flags = 0;
856
857 if (cell->face [0]) flags |= 1;
858 if (cell->face [1]) flags |= 2;
859 if (cell->face [2]) flags |= 4;
860
861 *data++ = flags;
862
863 if (flags & 1)
864 {
865 *data++ = cell->face [0] >> 8;
866 *data++ = cell->face [0];
867 }
868
869 if (flags & 2)
870 {
871 *data++ = cell->face [1] >> 8;
872 *data++ = cell->face [1];
873 }
874
875 if (flags & 4)
876 {
877 *data++ = cell->face [2] >> 8;
878 *data++ = cell->face [2];
879 }
880 }
881 else
882 *data++ = 0;
883 }
884 }
885
886 SvPOK_only (data_sv);
887 SvCUR_set (data_sv, data - (uint8_t *)SvPVX (data_sv));
888 RETVAL = data_sv;
889 }
890 OUTPUT:
891 RETVAL
892
893 void
894 set_rect (CFClient::Map self, int x0, int y0, uint8_t *data)
895 PPCODE:
896 {
897 int x, y, z;
898 int x1, y1;
899
900 if (*data++ != 0)
901 return; /* version mismatch */
902
903 int w = *data++ << 8; w |= *data++;
904 int h = *data++ << 8; h |= *data++;
905
906 // we need to do this 'cause we don't keep an absolute coord system for rows
907 // TODO: treat rows as we treat
908 map_get_row (self, y0 + self->y - self->oy);//D
909 map_get_row (self, y0 + self->y - self->oy + h - 1);//D
910
911 x0 += self->x - self->ox;
912 y0 += self->y - self->oy;
913
914 x1 = x0 + w;
915 y1 = y0 + h;
916
917 for (y = y0; y < y1; y++)
918 {
919 maprow *row = map_get_row (self, y);
920
921 for (x = x0; x < x1; x++)
922 {
923 uint8_t flags = *data++;
924
925 if (flags)
926 {
927 mapface face[3] = { 0, 0, 0 };
928
929 mapcell *cell = row_get_cell (row, x);
930
931 if (flags & 1) { face[0] = *data++ << 8; face[0] |= *data++; }
932 if (flags & 2) { face[1] = *data++ << 8; face[1] |= *data++; }
933 if (flags & 4) { face[2] = *data++ << 8; face[2] |= *data++; }
934
935 if (cell->darkness <= 0)
936 {
937 cell->darkness = -1;
938
939 for (z = 0; z <= 2; z++)
940 {
941 cell->face[z] = face[z];
942
943 if (face[z] && (face[z] >= self->texs || !self->tex[face [z]].name))
944 XPUSHs (sv_2mortal (newSViv (face[z])));
945 }
946 }
947 }
948 }
949 }
950 }
951