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 <glib/gmacros.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>

#define FOW_DARKNESS 32

#define MAP_EXTEND_X  32
#define MAP_EXTEND_Y 512

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 {
  GLint name;
  int w, h;
  float s, t;
} mapface;

typedef struct {
  int16_t darkness;
  uint16_t face[3];
} mapcell;

typedef struct {
  int32_t c0, c1;
  mapcell *col;
} maprow;

typedef struct map {
  int x, y, w, h;
  int vx, vy;
  int faces;
  mapface *face;

  uint32_t rows;
  maprow *row;
} *CFClient__Map;

static char *
prepend (char *ptr, int sze, int inc)
{
  char *p;

  New (0, p, sze + inc, char);
  Zero (p, inc, char);
  Move (ptr, p + inc, sze, char);
  Safefree (ptr);

  return p;
}

static char *
append (char *ptr, int sze, int inc)
{
  Renew (ptr, sze + inc, char);
  Zero (ptr + sze, inc, char);

  return ptr;
}

#define Append(type,ptr,sze,inc)  (ptr) = (type *)append  ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))
#define Prepend(type,ptr,sze,inc) (ptr) = (type *)prepend ((char *)ptr, (sze) * sizeof (type), (inc) * sizeof (type))

static void
map_clear (CFClient__Map self)
{
  int r;

  for (r = 0; r < self->rows; r++)
    Safefree (self->row[r].col);

  Safefree (self->row);

  self->x    = 0;
  self->y    = 0;
  self->vx   = 0;
  self->vy   = 0;
  self->row  = 0;
  self->rows = 0;
}

static void
map_blank (CFClient__Map self, int x0, int y0, int w, int h)
{
  int x, y;

  for (y = y0; y < y0 + h; y++)
    if (y >= 0)
      {
        if (y >= self->rows)
          break;

        maprow *row = self->row + y;

        for (x = x0; x < x0 + w; x++)
          if (x >= row->c0)
            {
              if (x >= row->c1)
                break;

              row->col[x - row->c0].darkness = -1;
            }
      }
}

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->vx = 0;
        RETVAL->vy = 0;
        RETVAL->faces = 8192;
        Newz (0, RETVAL->face, RETVAL->faces, mapface);
        RETVAL->rows = 0;
        RETVAL->row = 0;
        OUTPUT:
        RETVAL

void
DESTROY (CFClient::Map self)
        CODE:
{
        map_clear (self);
        Safefree (self->face);
        Safefree (self);
}

void
clear (CFClient::Map self)
        CODE:
        map_clear (self);

void
set_texture (CFClient::Map self, int face, int name, int w, int h, float s, float t)
        CODE:
{
        while (self->faces < face)
          {
            Append (mapface, self->face, self->faces, self->faces);
            self->faces *= 2;
          }

        self->face [face].name = name;
        self->face [face].w    = w;
        self->face [face].h    = h;
        self->face [face].s    = s;
        self->face [face].t    = t;
}

void
scroll (CFClient::Map self, int dx, int dy)
        CODE:
{
        if (dx > 0)
          map_blank (self, self->x, self->y, dx - 1, self->h);
        else if (dx < 0)
          map_blank (self, self->x + self->w + dx + 1, self->y, 1 - dx, self->h);

        if (dy > 0)
          map_blank (self, self->x, self->y, self->w, dy - 1);
        else if (dy < 0)
          map_blank (self, self->x, self->y + self->h + dy + 1, self->w, 1 - dy);

        self->x += dx;
        self->y += dy;

        while (self->y < 0)
          {
            Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
             
            self->rows += MAP_EXTEND_Y;
            self->y    += MAP_EXTEND_Y;
          }
}

void
map1a_update (CFClient::Map self, SV *data_)
        CODE:
{
        uint8_t *data = (uint8_t *)SvPVbyte_nolen (data_);
        uint8_t *data_end = (uint8_t *)SvEND (data_);
        
        while (data < data_end)
          {
            int flags = (data [0] << 8) + data [1]; data += 2;
            
            int x = ((flags >> 10) & 63) + self->x;
            int y = ((flags >>  4) & 63) + self->y;

            while (y >= self->rows)
              {
                Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);

                self->rows += MAP_EXTEND_Y;
              }

            maprow *row = self->row + y;

            if (!row->col)
              {
                Newz (0, row->col, MAP_EXTEND_X, mapcell);
                row->c0 = self->x - MAP_EXTEND_X / 4;
                row->c1 = row->c0 + MAP_EXTEND_X;
              }

            if (row->c0 > x)
              {
                int extend = row->c0 - x + MAP_EXTEND_X;
                Prepend (mapcell, row->col, row->c1 - row->c0, extend);
                row->c0 -= extend;
              }
            else if (x >= row->c1)
              {
                int extend = x - row->c1 + MAP_EXTEND_X;
                Append (mapcell, row->col, row->c1 - row->c0, extend);
                row->c1 += extend;
              }

            assert (y >= 0);
            assert (y < self->rows);
            assert (x >= row->c0);
            assert (x < row->c1);
            mapcell *cell = row->col + (x - row->c0);

            if (flags & 15)
              {
                if (cell->darkness < 0 && x < self->w && y < self->h)
                  {
                    cell->darkness = 0;
                    cell->face [0] = 0;
                    cell->face [1] = 0;
                    cell->face [2] = 0;
                  }
                
                cell->darkness = flags & 8 ? *data++ : 255;

                if (flags & 4)
                  {
                    cell->face [0] = (data [0] << 8) + data [1]; data += 2;
                  }

                if (flags & 2)
                  {
                    cell->face [1] = (data [0] << 8) + data [1]; data += 2;
                  }

                if (flags & 1)
                  {
                    cell->face [2] = (data [0] << 8) + data [1]; data += 2;
                  }
              }
            else
              cell->darkness = -1;
          }
}

void
draw (CFClient::Map self, int x0, int y0, int sw, int sh)
        CODE:
{
        int vx = self->vx = self->w >= sw
          ? self->x + (self->w - sw) / 2
          : MIN (self->x, MAX (self->x + self->w - sw + 1, self->vx));

        int vy = self->vy = self->h >= sh
          ? self->y + (self->h - sh) / 2
          : MIN (self->y, MAX (self->y + self->h - sh + 1, self->vy));

        glColor4ub (255, 255, 255, 255);

        glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        glEnable (GL_BLEND);
        glEnable (GL_TEXTURE_2D);
        glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

        int x, y, z;

        int last_name = 0;

        glBegin (GL_QUADS);

        for (z = 0; z < 3; z++)
          for (y = 0; y < sh; y++)
            if (0 <= y + vy && y + vy < self->rows)
              {
                maprow *row = self->row + (y + vy);

                for (x = 0; x < sw; x++)
                  if (row->c0 <= x + vx && x + vx < row->c1)
                    {
                      mapcell *cell = row->col + (x + vx - row->c0);
                      uint16_t face = cell->face [z];

                      if (face)
                        {
                          mapface tex = self->face [face];

                          int px = (x + 1) * 32 - tex.w;
                          int py = (y + 1) * 32 - tex.h;

                          if (last_name != tex.name)
                            {
                              glEnd ();
                              last_name = tex.name;
                              glBindTexture (GL_TEXTURE_2D, last_name);
                              glBegin (GL_QUADS);
                            }

                          glTexCoord2f (0    , 0    ); glVertex2f (px        , py        );
                          glTexCoord2f (0    , tex.t); glVertex2f (px        , py + tex.h);
                          glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
                          glTexCoord2f (tex.s, 0    ); glVertex2f (px + tex.w, py        );
                        }
                    }
              }

        glEnd ();
}

Revision:	1.31
Committed:	Thu Apr 13 23:11:11 2006 UTC (18 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.30:	+2 -7 lines
Log Message:	2nd version of xs-level map handling
#	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	1.31	row->col[x - row->c0].darkness = -1;
156	root	1.30	}
157			}
158	root	1.29	}
159
160	root	1.15	MODULE = CFClient PACKAGE = CFClient
161	root	1.1
162	root	1.11	PROTOTYPES: ENABLE
163
164	root	1.5	BOOT:
165			{
166			fontmap = pango_ft2_font_map_new ();
167	root	1.19	pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, substitute_func, 0, 0);
168	root	1.8	context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
169	root	1.5	}
170
171	root	1.10	void
172			lowdelay (int fd, int val = 1)
173			CODE:
174			setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
175
176	root	1.3	char *
177	root	1.4	gl_version ()
178			CODE:
179	root	1.5	RETVAL = (char *)glGetString (GL_VERSION);
180	root	1.4	OUTPUT:
181			RETVAL
182
183			char *
184	root	1.3	gl_extensions ()
185			CODE:
186	root	1.5	RETVAL = (char *)glGetString (GL_EXTENSIONS);
187	root	1.3	OUTPUT:
188			RETVAL
189
190	root	1.5	void
191	root	1.13	add_font (char *file)
192			CODE:
193			FcConfigAppFontAddFile (0, (const FcChar8 )file); / no idea wether this is required */
194
195			void
196	root	1.9	set_font (char *file)
197	root	1.8	CODE:
198			{
199	root	1.9	int count;
200			FcPattern pattern = FcFreeTypeQuery ((const FcChar8 )file, 0, 0, &count);
201	root	1.10	PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
202	root	1.9	FcPatternDestroy (pattern);
203	root	1.8	pango_context_set_font_description (context, font);
204			}
205
206	root	1.23	void
207			load_image_inline (SV *image_)
208			ALIAS:
209			load_image_file = 1
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	root	1.24	PUSHs (sv_2mortal (newSViv (surface->flags & (SDL_SRCCOLORKEY \| SDL_SRCALPHA) ? GL_RGBA : GL_RGB)));
254	root	1.23	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
261	root	1.25	void
262			fatal (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
271	root	1.15	MODULE = CFClient PACKAGE = CFClient::Layout
272	root	1.14
273	root	1.15	CFClient::Layout
274	root	1.14	new (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
283			void
284	root	1.15	DESTROY (CFClient::Layout self)
285	root	1.14	CODE:
286			g_object_unref (self->pl);
287			Safefree (self);
288	root	1.13
289	root	1.8	void
290	root	1.15	set_markup (CFClient::Layout self, SV *text_)
291	root	1.14	CODE:
292	root	1.5	{
293			STRLEN textlen;
294			char *text = SvPVutf8 (text_, textlen);
295	root	1.14
296			pango_layout_set_markup (self->pl, text, textlen);
297			}
298
299			void
300	root	1.16	set_height (CFClient::Layout self, int base_height)
301			CODE:
302			self->base_height = base_height;
303
304			void
305	root	1.15	set_width (CFClient::Layout self, int max_width = -1)
306	root	1.14	CODE:
307			pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
308
309			void
310	root	1.15	size (CFClient::Layout self)
311	root	1.14	PPCODE:
312			{
313			int w, h;
314
315	root	1.17	layout_update (self);
316	root	1.14	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
323	root	1.17	int
324			xy_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
337			void
338			cursor_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	root	1.30
345	root	1.17	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
351	root	1.14	void
352	root	1.15	render (CFClient::Layout self)
353	root	1.14	PPCODE:
354			{
355	root	1.5	SV *retval;
356			int w, h;
357			FT_Bitmap bitmap;
358
359	root	1.17	layout_update (self);
360	root	1.14	layout_get_pixel_size (self, &w, &h);
361	root	1.5
362			retval = newSV (w * h);
363			SvPOK_only (retval);
364			SvCUR_set (retval, w * h);
365
366			bitmap.rows = h;
367			bitmap.width = w;
368			bitmap.pitch = w;
369			bitmap.buffer = (unsigned char*)SvPVX (retval);
370			bitmap.num_grays = 256;
371			bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
372
373			memset (bitmap.buffer, 0, w * h);
374
375	root	1.14	pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
376	root	1.1
377	root	1.5	EXTEND (SP, 3);
378			PUSHs (sv_2mortal (newSViv (w)));
379			PUSHs (sv_2mortal (newSViv (h)));
380			PUSHs (sv_2mortal (retval));
381			}
382	root	1.11
383	root	1.15	MODULE = CFClient PACKAGE = CFClient::Texture
384	root	1.11
385			void
386	root	1.12	draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
387			PROTOTYPE: $$$;$$
388	root	1.11	CODE:
389			{
390	root	1.12	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	root	1.18	w = SvNV (*hv_fetch (hv, "w", 1, 1));
398			h = SvNV (*hv_fetch (hv, "h", 1, 1));
399	root	1.12	}
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	root	1.11	}
409	root	1.28
410			MODULE = CFClient PACKAGE = CFClient::Map
411
412			CFClient::Map
413			new (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	root	1.30	RETVAL->vx = 0;
421			RETVAL->vy = 0;
422			RETVAL->faces = 8192;
423			Newz (0, RETVAL->face, RETVAL->faces, mapface);
424	root	1.28	RETVAL->rows = 0;
425			RETVAL->row = 0;
426			OUTPUT:
427			RETVAL
428
429			void
430			DESTROY (CFClient::Map self)
431			CODE:
432			{
433	root	1.30	map_clear (self);
434	root	1.28	Safefree (self->face);
435	root	1.29	Safefree (self);
436			}
437
438			void
439	root	1.30	clear (CFClient::Map self)
440			CODE:
441			map_clear (self);
442
443			void
444			set_texture (CFClient::Map self, int face, int name, int w, int h, float s, float t)
445	root	1.29	CODE:
446			{
447	root	1.30	while (self->faces < face)
448	root	1.28	{
449	root	1.30	Append (mapface, self->face, self->faces, self->faces);
450	root	1.29	self->faces *= 2;
451			}
452	root	1.28
453	root	1.30	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	root	1.29	}
459
460			void
461			scroll (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	root	1.30	Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
480	root	1.29
481			self->rows += MAP_EXTEND_Y;
482			self->y += MAP_EXTEND_Y;
483	root	1.28	}
484	root	1.29	}
485	root	1.28
486	root	1.29	void
487			map1a_update (CFClient::Map self, SV *data_)
488			CODE:
489			{
490	root	1.30	uint8_t data = (uint8_t )SvPVbyte_nolen (data_);
491			uint8_t data_end = (uint8_t )SvEND (data_);
492	root	1.29
493			while (data < data_end)
494			{
495			int flags = (data [0] << 8) + data [1]; data += 2;
496	root	1.30
497	root	1.29	int x = ((flags >> 10) & 63) + self->x;
498			int y = ((flags >> 4) & 63) + self->y;
499
500			while (y >= self->rows)
501			{
502	root	1.30	Prepend (maprow, self->row, self->rows, MAP_EXTEND_Y);
503	root	1.29
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	root	1.30	Prepend (mapcell, row->col, row->c1 - row->c0, extend);
520	root	1.29	row->c0 -= extend;
521			}
522			else if (x >= row->c1)
523			{
524			int extend = x - row->c1 + MAP_EXTEND_X;
525	root	1.30	Append (mapcell, row->col, row->c1 - row->c0, extend);
526	root	1.29	row->c1 += extend;
527			}
528
529	root	1.30	assert (y >= 0);
530			assert (y < self->rows);
531			assert (x >= row->c0);
532			assert (x < row->c1);
533	root	1.29	mapcell *cell = row->col + (x - row->c0);
534
535			if (flags & 15)
536			{
537	root	1.30	if (cell->darkness < 0 && x < self->w && y < self->h)
538	root	1.29	{
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	root	1.31	cell->darkness = -1;
564	root	1.29	}
565	root	1.28	}
566
567	root	1.30	void
568			draw (CFClient::Map self, int x0, int y0, int sw, int sh)
569			CODE:
570			{
571			int vx = self->vx = self->w >= sw
572			? self->x + (self->w - sw) / 2
573			: MIN (self->x, MAX (self->x + self->w - sw + 1, self->vx));
574
575			int vy = self->vy = self->h >= sh
576			? self->y + (self->h - sh) / 2
577			: MIN (self->y, MAX (self->y + self->h - sh + 1, self->vy));
578
579			glColor4ub (255, 255, 255, 255);
580
581			glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
582			glEnable (GL_BLEND);
583			glEnable (GL_TEXTURE_2D);
584			glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
585
586			int x, y, z;
587
588			int last_name = 0;
589
590			glBegin (GL_QUADS);
591
592			for (z = 0; z < 3; z++)
593			for (y = 0; y < sh; y++)
594			if (0 <= y + vy && y + vy < self->rows)
595			{
596			maprow *row = self->row + (y + vy);
597
598			for (x = 0; x < sw; x++)
599			if (row->c0 <= x + vx && x + vx < row->c1)
600			{
601			mapcell *cell = row->col + (x + vx - row->c0);
602			uint16_t face = cell->face [z];
603
604			if (face)
605			{
606			mapface tex = self->face [face];
607
608			int px = (x + 1) * 32 - tex.w;
609			int py = (y + 1) * 32 - tex.h;
610
611			if (last_name != tex.name)
612			{
613			glEnd ();
614			last_name = tex.name;
615			glBindTexture (GL_TEXTURE_2D, last_name);
616			glBegin (GL_QUADS);
617			}
618
619			glTexCoord2f (0 , 0 ); glVertex2f (px , py );
620			glTexCoord2f (0 , tex.t); glVertex2f (px , py + tex.h);
621			glTexCoord2f (tex.s, tex.t); glVertex2f (px + tex.w, py + tex.h);
622			glTexCoord2f (tex.s, 0 ); glVertex2f (px + tex.w, py );
623			}
624			}
625			}
626
627			glEnd ();
628			}
629