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Comparing deliantra/Deliantra-Client/Client.xs (file contents):
Revision 1.6 by root, Sun Apr 9 00:06:51 2006 UTC vs.
Revision 1.33 by root, Thu Apr 13 23:42:14 2006 UTC

1#include "EXTERN.h" 1#include "EXTERN.h"
2#include "perl.h" 2#include "perl.h"
3#include "XSUB.h" 3#include "XSUB.h"
4 4
5#include <string.h> 5#include <string.h>
6#include <stdio.h>
6 7
7#include <SDL.h> 8#include <SDL.h>
9#include <SDL_image.h>
8#include <SDL_opengl.h> 10#include <SDL_opengl.h>
9 11
12#include <glib/gmacros.h>
13
10#include <pango/pango.h> 14#include <pango/pango.h>
15#include <pango/pangofc-fontmap.h>
11#include <pango/pangoft2.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
12 29
13static PangoContext *context; 30static PangoContext *context;
14static PangoFontMap *fontmap; 31static PangoFontMap *fontmap;
15 32
33typedef struct cf_layout {
34 PangoLayout *pl;
35 int base_height;
36} *CFClient__Layout;
37
38static void
39substitute_func (FcPattern *pattern, gpointer data)
40{
41 FcPatternAddBool (pattern, FC_HINTING , 1);
42 FcPatternAddBool (pattern, FC_AUTOHINT, 1);
43}
44
45static void
46layout_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
55static void
56layout_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
67typedef struct {
68 GLint name;
69 int w, h;
70 float s, t;
71} mapface;
72
73typedef struct {
74 int16_t darkness;
75 uint16_t face[3];
76} mapcell;
77
78typedef struct {
79 int32_t c0, c1;
80 mapcell *col;
81} maprow;
82
83typedef struct map {
84 int x, y, w, h;
85 int vx, vy;
86 int faces;
87 mapface *face;
88
89 uint32_t rows;
90 maprow *row;
91} *CFClient__Map;
92
93static char *
94prepend (char *ptr, int sze, int inc)
95{
96 char *p;
97
98 New (0, p, sze + inc, char);
99 Zero (p, inc, char);
100 Move (ptr, p + inc, sze, char);
101 Safefree (ptr);
102
103 return p;
104}
105
106static char *
107append (char *ptr, int sze, int inc)
108{
109 Renew (ptr, sze + inc, char);
110 Zero (ptr + sze, inc, char);
111
112 return ptr;
113}
114
115#define Append(type,ptr,sze,inc) (ptr) = (type *)append ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
116#define Prepend(type,ptr,sze,inc) (ptr) = (type *)prepend ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
117
118static void
119map_clear (CFClient__Map self)
120{
121 int r;
122
123 for (r = 0; r < self->rows; r++)
124 Safefree (self->row[r].col);
125
126 Safefree (self->row);
127
128 self->x = 0;
129 self->y = 0;
130 self->vx = 0;
131 self->vy = 0;
132 self->row = 0;
133 self->rows = 0;
134}
135
136static void
137map_blank (CFClient__Map self, int x0, int y0, int w, int h)
138{
139 int x, y;
140
141 for (y = y0; y < y0 + h; y++)
142 if (y >= 0)
143 {
144 if (y >= self->rows)
145 break;
146
147 maprow *row = self->row + y;
148
149 for (x = x0; x < x0 + w; x++)
150 if (x >= row->c0)
151 {
152 if (x >= row->c1)
153 break;
154
155 row->col[x - row->c0].darkness = -1;
156 }
157 }
158}
159
16MODULE = Crossfire::Client PACKAGE = Crossfire::Client 160MODULE = CFClient PACKAGE = CFClient
161
162PROTOTYPES: ENABLE
17 163
18BOOT: 164BOOT:
19{ 165{
20 fontmap = pango_ft2_font_map_new (); 166 fontmap = pango_ft2_font_map_new ();
21 context = pango_context_new (); 167 pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, substitute_func, 0, 0);
22 pango_context_set_font_map (context, fontmap); 168 context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
23} 169}
170
171void
172lowdelay (int fd, int val = 1)
173 CODE:
174 setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
24 175
25char * 176char *
26gl_version () 177gl_version ()
27 CODE: 178 CODE:
28 RETVAL = (char *)glGetString (GL_VERSION); 179 RETVAL = (char *)glGetString (GL_VERSION);
… …
35 RETVAL = (char *)glGetString (GL_EXTENSIONS); 186 RETVAL = (char *)glGetString (GL_EXTENSIONS);
36 OUTPUT: 187 OUTPUT:
37 RETVAL 188 RETVAL
38 189
39void 190void
40font_render (SV *text_, int height) 191add_font (char *file)
192 CODE:
193 FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
194
195void
196set_font (char *file)
197 CODE:
198{
199 int count;
200 FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
201 PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
202 FcPatternDestroy (pattern);
203 pango_context_set_font_description (context, font);
204}
205
206void
207load_image_inline (SV *image_)
208 ALIAS:
209 load_image_file = 1
41 PPCODE: 210 PPCODE:
211{
212 STRLEN image_len;
213 char *image = (char *)SvPVbyte (image_, image_len);
214 SDL_Surface *surface, *surface2;
215 SDL_PixelFormat fmt;
216 SDL_RWops *rw = ix
217 ? SDL_RWFromFile (image, "r")
218 : SDL_RWFromConstMem (image, image_len);
219
220 if (!rw)
221 croak ("load_image: unable to open file");
222
223 surface = IMG_Load_RW (rw, 1);
224 if (!surface)
225 croak ("load_image: unable to read file");
226
227 fmt.palette = NULL;
228 fmt.BitsPerPixel = 32;
229 fmt.BytesPerPixel = 4;
230 fmt.Rmask = 0x000000ff;
231 fmt.Gmask = 0x0000ff00;
232 fmt.Bmask = 0x00ff0000;
233 fmt.Amask = 0xff000000;
234 fmt.Rloss = 0;
235 fmt.Gloss = 0;
236 fmt.Bloss = 0;
237 fmt.Aloss = 0;
238 fmt.Rshift = 0;
239 fmt.Gshift = 8;
240 fmt.Bshift = 16;
241 fmt.Ashift = 24;
242 fmt.colorkey = 0;
243 fmt.alpha = 0;
244
245 surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);
246
247 EXTEND (SP, 5);
248 PUSHs (sv_2mortal (newSViv (surface2->w)));
249 PUSHs (sv_2mortal (newSViv (surface2->h)));
250 SDL_LockSurface (surface2);
251 PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
252 SDL_UnlockSurface (surface2);
253 PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
254 PUSHs (sv_2mortal (newSViv (GL_RGBA)));
255 PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_INT_8_8_8_8_REV)));
256
257 SDL_FreeSurface (surface);
258 SDL_FreeSurface (surface2);
259}
260
261void
262fatal (char *message)
263 CODE:
264#ifdef WIN32
265 MessageBox (0, message, "Crossfire+ Fatal Error", MB_OK | MB_ICONERROR | MB_SETFOREGROUND);
266#else
267 fprintf (stderr, "%s\n", message);
268#endif
269 exit (1);
270
271MODULE = CFClient PACKAGE = CFClient::Layout
272
273CFClient::Layout
274new (SV *class, int base_height = 10)
275 CODE:
276 New (0, RETVAL, 1, struct cf_layout);
277 RETVAL->base_height = base_height;
278 RETVAL->pl = pango_layout_new (context);
279 pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
280 OUTPUT:
281 RETVAL
282
283void
284DESTROY (CFClient::Layout self)
285 CODE:
286 g_object_unref (self->pl);
287 Safefree (self);
288
289void
290set_markup (CFClient::Layout self, SV *text_)
291 CODE:
42{ 292{
43 STRLEN textlen; 293 STRLEN textlen;
44 char *text = SvPVutf8 (text_, textlen); 294 char *text = SvPVutf8 (text_, textlen);
295
296 pango_layout_set_markup (self->pl, text, textlen);
297}
298
299void
300set_height (CFClient::Layout self, int base_height)
301 CODE:
302 self->base_height = base_height;
303
304void
305set_width (CFClient::Layout self, int max_width = -1)
306 CODE:
307 pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
308
309void
310size (CFClient::Layout self)
311 PPCODE:
312{
313 int w, h;
314
315 layout_update (self);
316 layout_get_pixel_size (self, &w, &h);
317
318 EXTEND (SP, 2);
319 PUSHs (sv_2mortal (newSViv (w)));
320 PUSHs (sv_2mortal (newSViv (h)));
321}
322
323int
324xy_to_index (CFClient::Layout self, int x, int y)
325 CODE:
326{
327 int index, trailing;
328
329 layout_update (self);
330 pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);
331
332 RETVAL = index;
333}
334 OUTPUT:
335 RETVAL
336
337void
338cursor_pos (CFClient::Layout self, int index)
339 PPCODE:
340{
341 PangoRectangle strong_pos;
342 layout_update (self);
343 pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
344
345 EXTEND (SP, 3);
346 PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE)));
347 PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE)));
348 PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
349}
350
351void
352render (CFClient::Layout self)
353 PPCODE:
354{
45 SV *retval; 355 SV *retval;
46 int w, h; 356 int w, h;
47 FT_Bitmap bitmap; 357 FT_Bitmap bitmap;
48 PangoLayout *layout;
49 PangoFontDescription *font = pango_context_get_font_description (context);
50 pango_font_description_set_absolute_size (font, 40 * PANGO_SCALE);
51 358
52 layout = pango_layout_new (context); 359 layout_update (self);
53 pango_layout_set_markup (layout, text, textlen);
54 pango_layout_get_pixel_size (layout, &w, &h); 360 layout_get_pixel_size (self, &w, &h);
55
56 w = (w + 3) & ~3;
57 if (!w) w = 1;
58 if (!h) h = 1;
59 361
60 retval = newSV (w * h); 362 retval = newSV (w * h);
61 SvPOK_only (retval); 363 SvPOK_only (retval);
62 SvCUR_set (retval, w * h); 364 SvCUR_set (retval, w * h);
63 365
… …
68 bitmap.num_grays = 256; 370 bitmap.num_grays = 256;
69 bitmap.pixel_mode = FT_PIXEL_MODE_GRAY; 371 bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
70 372
71 memset (bitmap.buffer, 0, w * h); 373 memset (bitmap.buffer, 0, w * h);
72 374
73 pango_ft2_render_layout (&bitmap, layout, 0 * PANGO_SCALE, 0 * PANGO_SCALE); 375 pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
74 g_object_unref (layout);
75 376
76 EXTEND (SP, 3); 377 EXTEND (SP, 3);
77 PUSHs (sv_2mortal (newSViv (w))); 378 PUSHs (sv_2mortal (newSViv (w)));
78 PUSHs (sv_2mortal (newSViv (h))); 379 PUSHs (sv_2mortal (newSViv (h)));
79 PUSHs (sv_2mortal (retval)); 380 PUSHs (sv_2mortal (retval));
80} 381}
382
383MODULE = CFClient PACKAGE = CFClient::Texture
384
385void
386draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
387 PROTOTYPE: $$$;$$
388 CODE:
389{
390 HV *hv = (HV *)SvRV (self);
391 double s = SvNV (*hv_fetch (hv, "s", 1, 1));
392 double t = SvNV (*hv_fetch (hv, "t", 1, 1));
393 int name = SvIV (*hv_fetch (hv, "name", 4, 1));
394
395 if (items < 5)
396 {
397 w = SvNV (*hv_fetch (hv, "w", 1, 1));
398 h = SvNV (*hv_fetch (hv, "h", 1, 1));
399 }
400
401 glBindTexture (GL_TEXTURE_2D, name);
402 glBegin (GL_QUADS);
403 glTexCoord2d (0, 0); glVertex2d (x , y );
404 glTexCoord2d (0, t); glVertex2d (x , y + h);
405 glTexCoord2d (s, t); glVertex2d (x + w, y + h);
406 glTexCoord2d (s, 0); glVertex2d (x + w, y );
407 glEnd ();
408}
409
410MODULE = CFClient PACKAGE = CFClient::Map
411
412CFClient::Map
413new (SV *class, int map_width, int map_height)
414 CODE:
415 New (0, RETVAL, 1, struct map);
416 RETVAL->x = 0;
417 RETVAL->y = 0;
418 RETVAL->w = map_width;
419 RETVAL->h = map_height;
420 RETVAL->vx = 0;
421 RETVAL->vy = 0;
422 RETVAL->faces = 8192;
423 Newz (0, RETVAL->face, RETVAL->faces, mapface);
424 RETVAL->rows = 0;
425 RETVAL->row = 0;
426 OUTPUT:
427 RETVAL
428
429void
430DESTROY (CFClient::Map self)
431 CODE:
432{
433 map_clear (self);
434 Safefree (self->face);
435 Safefree (self);
436}
437
438void
439clear (CFClient::Map self)
440 CODE:
441 map_clear (self);
442
443void
444set_texture (CFClient::Map self, int face, int name, int w, int h, float s, float t)
445 CODE:
446{
447 while (self->faces < face)
448 {
449 Append (mapface, self->face, self->faces, self->faces);
450 self->faces *= 2;
451 }
452
453 self->face [face].name = name;
454 self->face [face].w = w;
455 self->face [face].h = h;
456 self->face [face].s = s;
457 self->face [face].t = t;
458}
459
460void
461scroll (CFClient::Map self, int dx, int dy)
462 CODE:
463{
464 if (dx > 0)
465 map_blank (self, self->x, self->y, dx - 1, self->h);
466 else if (dx < 0)
467 map_blank (self, self->x + self->w + dx + 1, self->y, 1 - dx, self->h);
468
469 if (dy > 0)
470 map_blank (self, self->x, self->y, self->w, dy - 1);
471 else if (dy < 0)
472 map_blank (self, self->x, self->y + self->h + dy + 1, self->w, 1 - dy);
473
474 self->x += dx;
475 self->y += dy;
476
477 while (self->y < 0)
478 {
479 Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
480
481 self->rows += MAP_EXTEND_Y;
482 self->y += MAP_EXTEND_Y;
483 }
484}
485
486void
487map1a_update (CFClient::Map self, SV *data_)
488 CODE:
489{
490 uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);
491 uint8_t *data_end = (uint8_t *)SvEND (data_);
492
493 while (data < data_end)
494 {
495 int flags = (data [0] << 8) + data [1]; data += 2;
496
497 int x = ((flags >> 10) & 63) + self->x;
498 int y = ((flags >> 4) & 63) + self->y;
499
500 while (y >= self->rows)
501 {
502 Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
503
504 self->rows += MAP_EXTEND_Y;
505 }
506
507 maprow *row = self->row + y;
508
509 if (!row->col)
510 {
511 Newz (0, row->col, MAP_EXTEND_X, mapcell);
512 row->c0 = self->x - MAP_EXTEND_X / 4;
513 row->c1 = row->c0 + MAP_EXTEND_X;
514 }
515
516 if (row->c0 > x)
517 {
518 int extend = row->c0 - x + MAP_EXTEND_X;
519 Prepend (mapcell, row->col, row->c1 - row->c0, extend);
520 row->c0 -= extend;
521 }
522 else if (x >= row->c1)
523 {
524 int extend = x - row->c1 + MAP_EXTEND_X;
525 Append (mapcell, row->col, row->c1 - row->c0, extend);
526 row->c1 += extend;
527 }
528
529 assert (y >= 0);
530 assert (y < self->rows);
531 assert (x >= row->c0);
532 assert (x < row->c1);
533 mapcell *cell = row->col + (x - row->c0);
534
535 if (flags & 15)
536 {
537 if (cell->darkness < 0 && x < self->w && y < self->h)
538 {
539 cell->darkness = 0;
540 cell->face [0] = 0;
541 cell->face [1] = 0;
542 cell->face [2] = 0;
543 }
544
545 cell->darkness = flags & 8 ? *data++ : 255;
546
547 if (flags & 4)
548 {
549 cell->face [0] = (data [0] << 8) + data [1]; data += 2;
550 }
551
552 if (flags & 2)
553 {
554 cell->face [1] = (data [0] << 8) + data [1]; data += 2;
555 }
556
557 if (flags & 1)
558 {
559 cell->face [2] = (data [0] << 8) + data [1]; data += 2;
560 }
561 }
562 else
563 cell->darkness = -1;
564 }
565}
566
567void
568draw (CFClient::Map self, int x0, int y0, int sw, int sh)
569 PPCODE:
570{
571 int sw4 = (sw + 3) & ~3;
572 SV *darkness_sv = sv_2mortal (newSV (sw4 * sh));
573 uint8_t *darkness = SvPVX (darkness_sv);
574
575 SvPOK_only (darkness_sv);
576 SvCUR_set (darkness_sv, sw4 * sh);
577
578 int vx = self->vx = self->w >= sw
579 ? self->x + (self->w - sw) / 2
580 : MIN (self->x, MAX (self->x + self->w - sw + 1, self->vx));
581
582 int vy = self->vy = self->h >= sh
583 ? self->y + (self->h - sh) / 2
584 : MIN (self->y, MAX (self->y + self->h - sh + 1, self->vy));
585
586 glColor4ub (255, 255, 255, 255);
587
588 glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
589 glEnable (GL_BLEND);
590 glEnable (GL_TEXTURE_2D);
591 glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
592
593 int x, y, z;
594
595 int last_name = 0;
596
597 glBegin (GL_QUADS);
598
599 for (z = 0; z < 3; z++)
600 for (y = 0; y < sh; y++)
601 if (0 <= y + vy && y + vy < self->rows)
602 {
603 maprow *row = self->row + (y + vy);
604
605 for (x = 0; x < sw; x++)
606 if (row->c0 <= x + vx && x + vx < row->c1)
607 {
608 mapcell *cell = row->col + (x + vx - row->c0);
609
610 darkness[y * sw4 + x] = cell->darkness < 0
611 ? 255 - FOW_DARKNESS
612 : 255 - cell->darkness;
613
614 uint16_t face = cell->face [z];
615
616 if (face)
617 {
618 mapface tex = self->face [face];
619
620 int px = (x + 1) * 32 - tex.w;
621 int py = (y + 1) * 32 - tex.h;
622
623 if (last_name != tex.name)
624 {
625 glEnd ();
626 last_name = tex.name;
627 glBindTexture (GL_TEXTURE_2D, last_name);
628 glBegin (GL_QUADS);
629 }
630
631 glTexCoord2f (0 , 0 ); glVertex2f (px , py );
632 glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);
633 glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
634 glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );
635 }
636 }
637 }
638
639 glEnd ();
640
641 EXTEND (SP, 3);
642 PUSHs (sv_2mortal (newSViv (sw4)));
643 PUSHs (sv_2mortal (newSViv (sh)));
644 PUSHs (darkness_sv);
645
646 glDisable (GL_TEXTURE_2D);
647 glDisable (GL_BLEND);
648}
649

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