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/cvs/deliantra/Deliantra-Client/Client.xs
Revision: 1.30
Committed: Thu Apr 13 23:07:56 2006 UTC (18 years, 1 month ago) by root
Branch: MAIN
Changes since 1.29: +169 -73 lines
Log Message:
1st version of xs-level map handling

File Contents

# 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 root 1.30 #include <glib/gmacros.h>
13    
14 root 1.5 #include <pango/pango.h>
15 root 1.10 #include <pango/pangofc-fontmap.h>
16 root 1.5 #include <pango/pangoft2.h>
17    
18 root 1.10 #include <sys/types.h>
19     #include <sys/socket.h>
20     #include <netinet/in.h>
21     #include <netinet/tcp.h>
22    
23 root 1.28 #include <inttypes.h>
24    
25 root 1.29 #define FOW_DARKNESS 32
26    
27     #define MAP_EXTEND_X 32
28     #define MAP_EXTEND_Y 512
29    
30 root 1.5 static PangoContext *context;
31     static PangoFontMap *fontmap;
32 root 1.2
33 root 1.14 typedef struct cf_layout {
34     PangoLayout *pl;
35     int base_height;
36 root 1.15 } *CFClient__Layout;
37 root 1.14
38     static void
39 root 1.19 substitute_func (FcPattern *pattern, gpointer data)
40     {
41 root 1.20 FcPatternAddBool (pattern, FC_HINTING , 1);
42     FcPatternAddBool (pattern, FC_AUTOHINT, 1);
43 root 1.19 }
44    
45     static void
46 root 1.17 layout_update (CFClient__Layout self)
47     {
48 root 1.19 /* use a random scale factor to account for unknown descenders, 0.8 works
49     * reasonably well with bitstream vera
50     */
51 root 1.17 PangoFontDescription *font = pango_context_get_font_description (context);
52 root 1.19 pango_font_description_set_absolute_size (font, self->base_height * (PANGO_SCALE * 8 / 10));
53 root 1.17 }
54    
55     static void
56 root 1.15 layout_get_pixel_size (CFClient__Layout self, int *w, int *h)
57 root 1.14 {
58 root 1.19 layout_update (self);
59 root 1.16
60 root 1.14 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 root 1.28 typedef struct {
68 root 1.30 GLint name;
69     int w, h;
70     float s, t;
71     } mapface;
72    
73     typedef struct {
74 root 1.29 int16_t darkness;
75 root 1.28 uint16_t face[3];
76     } mapcell;
77    
78     typedef struct {
79 root 1.30 int32_t c0, c1;
80 root 1.28 mapcell *col;
81     } maprow;
82    
83     typedef struct map {
84     int x, y, w, h;
85 root 1.30 int vx, vy;
86 root 1.28 int faces;
87 root 1.30 mapface *face;
88 root 1.28
89     uint32_t rows;
90     maprow *row;
91     } *CFClient__Map;
92    
93 root 1.30 static char *
94     prepend (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    
106     static char *
107     append (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    
118     static void
119     map_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    
136 root 1.29 static void
137     map_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 root 1.30 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 root 1.29
155 root 1.30 mapcell *cell = row->col + (x - row->c0);
156     cell->darkness = -1;
157     cell->face [2] = 0;
158     }
159     }
160 root 1.29 }
161    
162 root 1.15 MODULE = CFClient PACKAGE = CFClient
163 root 1.1
164 root 1.11 PROTOTYPES: ENABLE
165    
166 root 1.5 BOOT:
167     {
168     fontmap = pango_ft2_font_map_new ();
169 root 1.19 pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, substitute_func, 0, 0);
170 root 1.8 context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
171 root 1.5 }
172    
173 root 1.10 void
174     lowdelay (int fd, int val = 1)
175     CODE:
176     setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
177    
178 root 1.3 char *
179 root 1.4 gl_version ()
180     CODE:
181 root 1.5 RETVAL = (char *)glGetString (GL_VERSION);
182 root 1.4 OUTPUT:
183     RETVAL
184    
185     char *
186 root 1.3 gl_extensions ()
187     CODE:
188 root 1.5 RETVAL = (char *)glGetString (GL_EXTENSIONS);
189 root 1.3 OUTPUT:
190     RETVAL
191    
192 root 1.5 void
193 root 1.13 add_font (char *file)
194     CODE:
195     FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
196    
197     void
198 root 1.9 set_font (char *file)
199 root 1.8 CODE:
200     {
201 root 1.9 int count;
202     FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
203 root 1.10 PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
204 root 1.9 FcPatternDestroy (pattern);
205 root 1.8 pango_context_set_font_description (context, font);
206     }
207    
208 root 1.23 void
209     load_image_inline (SV *image_)
210     ALIAS:
211     load_image_file = 1
212     PPCODE:
213     {
214     STRLEN image_len;
215     char *image = (char *)SvPVbyte (image_, image_len);
216     SDL_Surface *surface, *surface2;
217     SDL_PixelFormat fmt;
218     SDL_RWops *rw = ix
219     ? SDL_RWFromFile (image, "r")
220     : SDL_RWFromConstMem (image, image_len);
221    
222     if (!rw)
223     croak ("load_image: unable to open file");
224    
225     surface = IMG_Load_RW (rw, 1);
226     if (!surface)
227     croak ("load_image: unable to read file");
228    
229     fmt.palette = NULL;
230     fmt.BitsPerPixel = 32;
231     fmt.BytesPerPixel = 4;
232     fmt.Rmask = 0x000000ff;
233     fmt.Gmask = 0x0000ff00;
234     fmt.Bmask = 0x00ff0000;
235     fmt.Amask = 0xff000000;
236     fmt.Rloss = 0;
237     fmt.Gloss = 0;
238     fmt.Bloss = 0;
239     fmt.Aloss = 0;
240     fmt.Rshift = 0;
241     fmt.Gshift = 8;
242     fmt.Bshift = 16;
243     fmt.Ashift = 24;
244     fmt.colorkey = 0;
245     fmt.alpha = 0;
246    
247     surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);
248    
249     EXTEND (SP, 5);
250     PUSHs (sv_2mortal (newSViv (surface2->w)));
251     PUSHs (sv_2mortal (newSViv (surface2->h)));
252     SDL_LockSurface (surface2);
253     PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
254     SDL_UnlockSurface (surface2);
255 root 1.24 PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
256 root 1.23 PUSHs (sv_2mortal (newSViv (GL_RGBA)));
257     PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_INT_8_8_8_8_REV)));
258    
259     SDL_FreeSurface (surface);
260     SDL_FreeSurface (surface2);
261     }
262    
263 root 1.25 void
264     fatal (char *message)
265     CODE:
266     #ifdef WIN32
267     MessageBox (0, message, "Crossfire+ Fatal Error", MB_OK | MB_ICONERROR | MB_SETFOREGROUND);
268     #else
269     fprintf (stderr, "%s\n", message);
270     #endif
271     exit (1);
272    
273 root 1.15 MODULE = CFClient PACKAGE = CFClient::Layout
274 root 1.14
275 root 1.15 CFClient::Layout
276 root 1.14 new (SV *class, int base_height = 10)
277     CODE:
278     New (0, RETVAL, 1, struct cf_layout);
279     RETVAL->base_height = base_height;
280     RETVAL->pl = pango_layout_new (context);
281     pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
282     OUTPUT:
283     RETVAL
284    
285     void
286 root 1.15 DESTROY (CFClient::Layout self)
287 root 1.14 CODE:
288     g_object_unref (self->pl);
289     Safefree (self);
290 root 1.13
291 root 1.8 void
292 root 1.15 set_markup (CFClient::Layout self, SV *text_)
293 root 1.14 CODE:
294 root 1.5 {
295     STRLEN textlen;
296     char *text = SvPVutf8 (text_, textlen);
297 root 1.14
298     pango_layout_set_markup (self->pl, text, textlen);
299     }
300    
301     void
302 root 1.16 set_height (CFClient::Layout self, int base_height)
303     CODE:
304     self->base_height = base_height;
305    
306     void
307 root 1.15 set_width (CFClient::Layout self, int max_width = -1)
308 root 1.14 CODE:
309     pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
310    
311     void
312 root 1.15 size (CFClient::Layout self)
313 root 1.14 PPCODE:
314     {
315     int w, h;
316    
317 root 1.17 layout_update (self);
318 root 1.14 layout_get_pixel_size (self, &w, &h);
319    
320     EXTEND (SP, 2);
321     PUSHs (sv_2mortal (newSViv (w)));
322     PUSHs (sv_2mortal (newSViv (h)));
323     }
324    
325 root 1.17 int
326     xy_to_index (CFClient::Layout self, int x, int y)
327     CODE:
328     {
329     int index, trailing;
330    
331     layout_update (self);
332     pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);
333    
334     RETVAL = index;
335     }
336     OUTPUT:
337     RETVAL
338    
339     void
340     cursor_pos (CFClient::Layout self, int index)
341     PPCODE:
342     {
343     PangoRectangle strong_pos;
344     layout_update (self);
345     pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
346 root 1.30
347 root 1.17 EXTEND (SP, 3);
348     PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE)));
349     PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE)));
350     PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
351     }
352    
353 root 1.14 void
354 root 1.15 render (CFClient::Layout self)
355 root 1.14 PPCODE:
356     {
357 root 1.5 SV *retval;
358     int w, h;
359     FT_Bitmap bitmap;
360    
361 root 1.17 layout_update (self);
362 root 1.14 layout_get_pixel_size (self, &w, &h);
363 root 1.5
364     retval = newSV (w * h);
365     SvPOK_only (retval);
366     SvCUR_set (retval, w * h);
367    
368     bitmap.rows = h;
369     bitmap.width = w;
370     bitmap.pitch = w;
371     bitmap.buffer = (unsigned char*)SvPVX (retval);
372     bitmap.num_grays = 256;
373     bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
374    
375     memset (bitmap.buffer, 0, w * h);
376    
377 root 1.14 pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
378 root 1.1
379 root 1.5 EXTEND (SP, 3);
380     PUSHs (sv_2mortal (newSViv (w)));
381     PUSHs (sv_2mortal (newSViv (h)));
382     PUSHs (sv_2mortal (retval));
383     }
384 root 1.11
385 root 1.15 MODULE = CFClient PACKAGE = CFClient::Texture
386 root 1.11
387     void
388 root 1.12 draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
389     PROTOTYPE: $$$;$$
390 root 1.11 CODE:
391     {
392 root 1.12 HV *hv = (HV *)SvRV (self);
393     double s = SvNV (*hv_fetch (hv, "s", 1, 1));
394     double t = SvNV (*hv_fetch (hv, "t", 1, 1));
395     int name = SvIV (*hv_fetch (hv, "name", 4, 1));
396    
397     if (items < 5)
398     {
399 root 1.18 w = SvNV (*hv_fetch (hv, "w", 1, 1));
400     h = SvNV (*hv_fetch (hv, "h", 1, 1));
401 root 1.12 }
402    
403     glBindTexture (GL_TEXTURE_2D, name);
404     glBegin (GL_QUADS);
405     glTexCoord2d (0, 0); glVertex2d (x , y );
406     glTexCoord2d (0, t); glVertex2d (x , y + h);
407     glTexCoord2d (s, t); glVertex2d (x + w, y + h);
408     glTexCoord2d (s, 0); glVertex2d (x + w, y );
409     glEnd ();
410 root 1.11 }
411 root 1.28
412     MODULE = CFClient PACKAGE = CFClient::Map
413    
414     CFClient::Map
415     new (SV *class, int map_width, int map_height)
416     CODE:
417     New (0, RETVAL, 1, struct map);
418     RETVAL->x = 0;
419     RETVAL->y = 0;
420     RETVAL->w = map_width;
421     RETVAL->h = map_height;
422 root 1.30 RETVAL->vx = 0;
423     RETVAL->vy = 0;
424     RETVAL->faces = 8192;
425     Newz (0, RETVAL->face, RETVAL->faces, mapface);
426 root 1.28 RETVAL->rows = 0;
427     RETVAL->row = 0;
428     OUTPUT:
429     RETVAL
430    
431     void
432     DESTROY (CFClient::Map self)
433     CODE:
434     {
435 root 1.30 map_clear (self);
436 root 1.28 Safefree (self->face);
437 root 1.29 Safefree (self);
438     }
439    
440     void
441 root 1.30 clear (CFClient::Map self)
442     CODE:
443     map_clear (self);
444    
445     void
446     set_texture (CFClient::Map self, int face, int name, int w, int h, float s, float t)
447 root 1.29 CODE:
448     {
449 root 1.30 while (self->faces < face)
450 root 1.28 {
451 root 1.30 Append (mapface, self->face, self->faces, self->faces);
452 root 1.29 self->faces *= 2;
453     }
454 root 1.28
455 root 1.30 self->face [face].name = name;
456     self->face [face].w = w;
457     self->face [face].h = h;
458     self->face [face].s = s;
459     self->face [face].t = t;
460 root 1.29 }
461    
462     void
463     scroll (CFClient::Map self, int dx, int dy)
464     CODE:
465     {
466     if (dx > 0)
467     map_blank (self, self->x, self->y, dx - 1, self->h);
468     else if (dx < 0)
469     map_blank (self, self->x + self->w + dx + 1, self->y, 1 - dx, self->h);
470    
471     if (dy > 0)
472     map_blank (self, self->x, self->y, self->w, dy - 1);
473     else if (dy < 0)
474     map_blank (self, self->x, self->y + self->h + dy + 1, self->w, 1 - dy);
475    
476     self->x += dx;
477     self->y += dy;
478    
479     while (self->y < 0)
480     {
481 root 1.30 Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
482 root 1.29
483     self->rows += MAP_EXTEND_Y;
484     self->y += MAP_EXTEND_Y;
485 root 1.28 }
486 root 1.29 }
487 root 1.28
488 root 1.29 void
489     map1a_update (CFClient::Map self, SV *data_)
490     CODE:
491     {
492 root 1.30 uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);
493     uint8_t *data_end = (uint8_t *)SvEND (data_);
494 root 1.29
495     while (data < data_end)
496     {
497     int flags = (data [0] << 8) + data [1]; data += 2;
498 root 1.30
499 root 1.29 int x = ((flags >> 10) & 63) + self->x;
500     int y = ((flags >> 4) & 63) + self->y;
501    
502     while (y >= self->rows)
503     {
504 root 1.30 Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
505 root 1.29
506     self->rows += MAP_EXTEND_Y;
507     }
508    
509     maprow *row = self->row + y;
510    
511     if (!row->col)
512     {
513     Newz (0, row->col, MAP_EXTEND_X, mapcell);
514     row->c0 = self->x - MAP_EXTEND_X / 4;
515     row->c1 = row->c0 + MAP_EXTEND_X;
516     }
517    
518     if (row->c0 > x)
519     {
520     int extend = row->c0 - x + MAP_EXTEND_X;
521 root 1.30 Prepend (mapcell, row->col, row->c1 - row->c0, extend);
522 root 1.29 row->c0 -= extend;
523     }
524     else if (x >= row->c1)
525     {
526     int extend = x - row->c1 + MAP_EXTEND_X;
527 root 1.30 Append (mapcell, row->col, row->c1 - row->c0, extend);
528 root 1.29 row->c1 += extend;
529     }
530    
531 root 1.30 assert (y >= 0);
532     assert (y < self->rows);
533     assert (x >= row->c0);
534     assert (x < row->c1);
535 root 1.29 mapcell *cell = row->col + (x - row->c0);
536    
537     if (flags & 15)
538     {
539 root 1.30 if (cell->darkness < 0 && x < self->w && y < self->h)
540 root 1.29 {
541     cell->darkness = 0;
542     cell->face [0] = 0;
543     cell->face [1] = 0;
544     cell->face [2] = 0;
545     }
546    
547     cell->darkness = flags & 8 ? *data++ : 255;
548    
549     if (flags & 4)
550     {
551     cell->face [0] = (data [0] << 8) + data [1]; data += 2;
552     }
553    
554     if (flags & 2)
555     {
556     cell->face [1] = (data [0] << 8) + data [1]; data += 2;
557     }
558    
559     if (flags & 1)
560     {
561     cell->face [2] = (data [0] << 8) + data [1]; data += 2;
562     }
563     }
564     else
565 root 1.30 {
566     cell->darkness = -1;
567     cell->face [2] = 0;
568     }
569 root 1.29 }
570 root 1.28 }
571    
572 root 1.30 void
573     draw (CFClient::Map self, int x0, int y0, int sw, int sh)
574     CODE:
575     {
576     int vx = self->vx = self->w >= sw
577     ? self->x + (self->w - sw) / 2
578     : MIN (self->x, MAX (self->x + self->w - sw + 1, self->vx));
579    
580     int vy = self->vy = self->h >= sh
581     ? self->y + (self->h - sh) / 2
582     : MIN (self->y, MAX (self->y + self->h - sh + 1, self->vy));
583    
584     glColor4ub (255, 255, 255, 255);
585    
586     glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
587     glEnable (GL_BLEND);
588     glEnable (GL_TEXTURE_2D);
589     glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
590    
591     int x, y, z;
592    
593     int last_name = 0;
594    
595     glBegin (GL_QUADS);
596    
597     for (z = 0; z < 3; z++)
598     for (y = 0; y < sh; y++)
599     if (0 <= y + vy && y + vy < self->rows)
600     {
601     maprow *row = self->row + (y + vy);
602    
603     for (x = 0; x < sw; x++)
604     if (row->c0 <= x + vx && x + vx < row->c1)
605     {
606     mapcell *cell = row->col + (x + vx - row->c0);
607     uint16_t face = cell->face [z];
608    
609     if (face)
610     {
611     mapface tex = self->face [face];
612    
613     int px = (x + 1) * 32 - tex.w;
614     int py = (y + 1) * 32 - tex.h;
615    
616     if (last_name != tex.name)
617     {
618     glEnd ();
619     last_name = tex.name;
620     glBindTexture (GL_TEXTURE_2D, last_name);
621     glBegin (GL_QUADS);
622     }
623    
624     glTexCoord2f (0 , 0 ); glVertex2f (px , py );
625     glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);
626     glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
627     glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );
628     }
629     }
630     }
631    
632     glEnd ();
633     }
634