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diff --git a/lib/x11plugin.c b/lib/x11plugin.c
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--- /dev/null
+++ b/lib/x11plugin.c
@@ -0,0 +1,840 @@
+/* $Id: x11plugin.c,v 1.1 2004/10/21 19:24:30 zeenix Exp $ */
+
+/* GNU Robots game engine. */
+
+/* Copyright (C) 1998 Jim Hall, jhall1@isd.net */
+
+/*
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <glib.h>
+#include <stdio.h>
+#include "configs.h"
+#include "x11plugin.h"
+
+enum
+{
+ ARG_0,
+ ARG_MAP
+};
+
+GType _x11_plugin_type = 0;
+static GType _parent_type = 0;
+
+static void x11_plugin_class_init (X11PluginClass * klass);
+static void x11_plugin_init (GObject * object);
+static void x11_plugin_interface_init (gpointer g_iface, gpointer iface_data);
+
+static GObject * x11_plugin_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_properties);
+
+static void x11_plugin_finalize (GObject * object);
+static void x11_plugin_dispose (GObject * object);
+
+static void x11_plugin_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+
+static void x11_plugin_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static void put_tile (X11Plugin *x11, XImage *image, gint x, gint y);
+static void put_winbuf (X11Plugin *x11);
+static void setup_winbuf (X11Plugin *x11);
+void create_image (X11Plugin *x11, gchar **data, XImage ** image);
+inline void x11_plugin_update_status (X11Plugin *x11,
+ const gchar *s,
+ glong energy,
+ glong score,
+ glong shields);
+
+static GObjectClass *parent_class = NULL;
+
+GType
+x11_plugin_get_type (void)
+{
+ if (!_x11_plugin_type) {
+ static const GTypeInfo object_info = {
+ sizeof (X11PluginClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) x11_plugin_class_init,
+ NULL,
+ NULL,
+ sizeof (X11Plugin),
+ 0,
+ (GInstanceInitFunc) x11_plugin_init,
+ NULL
+ };
+
+ static const GInterfaceInfo interface_info = {
+ (GInterfaceInitFunc) x11_plugin_interface_init,
+ NULL,
+ NULL
+ };
+
+ _x11_plugin_type =
+ g_type_register_static (G_TYPE_OBJECT,
+ "X11Plugin",
+ &object_info,
+ 0);
+
+ g_type_add_interface_static (_x11_plugin_type,
+ _parent_type,
+ &interface_info);
+ }
+
+ return _x11_plugin_type;
+}
+
+static void
+x11_plugin_class_init (X11PluginClass * klass)
+{
+ GObjectClass *gobject_class;
+
+ gobject_class = (GObjectClass *) klass;
+
+ parent_class = g_type_class_ref (G_TYPE_OBJECT);
+
+ gobject_class->constructor = x11_plugin_constructor;
+ gobject_class->set_property = x11_plugin_set_property;
+ gobject_class->get_property = x11_plugin_get_property;
+ gobject_class->dispose = x11_plugin_dispose;
+ gobject_class->finalize = x11_plugin_finalize;
+
+ g_object_class_override_property (gobject_class, ARG_MAP, "map");
+}
+
+static void
+x11_plugin_init (GObject * object)
+{
+ X11Plugin *x11 = X11_PLUGIN (object);
+
+ x11->map = NULL;
+ x11->map_size = NULL;
+}
+
+static GObject *
+x11_plugin_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_properties)
+{
+ /* Initialize X11 */
+ GObject *object;
+ X11Plugin *x11;
+#include "xpm/statusbar.xpm"
+#include "xpm/space.xpm"
+#include "xpm/food.xpm"
+#include "xpm/wall.xpm"
+#include "xpm/prize.xpm"
+#include "xpm/baddie.xpm"
+#include "xpm/robot_north.xpm"
+#include "xpm/robot_east.xpm"
+#include "xpm/robot_south.xpm"
+#include "xpm/robot_west.xpm"
+#include "xpm/robot.xpm"
+ Atom prots[6];
+ XClassHint classhint;
+ XWMHints wmhints;
+ XGCValues values;
+ Atom delete_win;
+ gint x;
+
+ /* Chain up to the parent first */
+ object = parent_class->constructor (type, n_construct_properties, construct_properties);
+
+ x11 = X11_PLUGIN (object);
+
+ if ((x11->dpy = XOpenDisplay ("")) == NULL) {
+ g_printf ("Couldn't open the X Server Display!\n");
+ exit (1); /* Exit nicely isn't needed yet, and causes segfault */
+ }
+
+ delete_win = XInternAtom (x11->dpy, "WM_DELETE_WINDOW", False);
+
+ x11->win_width = x11->map_size->num_cols * TILE_SIZE;
+ x11->win_height = x11->map_size->num_rows * TILE_SIZE + 32;
+ x11->x_win = XCreateSimpleWindow (x11->dpy, DefaultRootWindow (x11->dpy), 0, 0,
+ x11->win_width, x11->win_height, 0, 0, 0);
+
+ prots[0] = delete_win;
+ XSetWMProtocols (x11->dpy, x11->x_win, prots, 1);
+
+ XStoreName (x11->dpy, x11->x_win, "GNU Robots");
+
+ classhint.res_name = "robots";
+ classhint.res_class = "Robots";
+ XSetClassHint (x11->dpy, x11->x_win, &classhint);
+
+ /* XSetCommand() seems to segfault... */
+
+ wmhints.input = True;
+ wmhints.flags = InputHint;
+ XSetWMHints (x11->dpy, x11->x_win, &wmhints);
+
+ XSelectInput (x11->dpy, x11->x_win,
+ KeyPressMask | KeyReleaseMask | StructureNotifyMask | FocusChangeMask);
+
+ XMapWindow (x11->dpy, x11->x_win);
+
+ x11->text = XLoadFont (x11->dpy, "-*-helvetica-medium-r-*-*-*-120-*-*-*-*-*-*");
+ values.font = x11->text;
+ values.foreground = WhitePixel (x11->dpy, DefaultScreen (x11->dpy));
+
+ x11->gc = XCreateGC (x11->dpy, x11->x_win, GCFont | GCForeground, &values);
+
+ create_image (x11, statusbar_xpm, &x11->statusbar);
+ create_image (x11, space_xpm, &x11->space);
+ create_image (x11, food_xpm, &x11->food);
+ create_image (x11, wall_xpm, &x11->wall);
+ create_image (x11, prize_xpm, &x11->prize);
+ create_image (x11, baddie_xpm, &x11->baddie);
+ create_image (x11, robot_north_xpm, &x11->robotDirs[0]);
+ create_image (x11, robot_east_xpm, &x11->robotDirs[1]);
+ create_image (x11, robot_south_xpm, &x11->robotDirs[2]);
+ create_image (x11, robot_west_xpm, &x11->robotDirs[3]);
+ create_image (x11, robot_xpm, &x11->robotPix);
+
+ setup_winbuf (x11);
+
+ //update_status ("Welcome to GNU Robots");
+ x11->errors = 0;
+
+ return object;
+}
+
+static void
+x11_plugin_dispose (GObject * object)
+{
+ X11Plugin *x11 = X11_PLUGIN (object);
+
+ if (x11->map != NULL) {
+ g_object_unref (G_OBJECT (x11->map));
+
+ if (x11->map_size != NULL) {
+ g_free (x11->map_size);
+ }
+ }
+
+ parent_class->dispose (object);
+}
+
+/* finalize is called when the object has to free its resources */
+static void
+x11_plugin_finalize (GObject * object)
+{
+ X11Plugin *x11 = X11_PLUGIN (object);
+
+ /* End X11 mode */
+#ifdef USE_MITSHM
+ if (use_mitshm) {
+ XShmDetach (x11->dpy, &shm_info);
+ if (shm_info.shmaddr)
+ shmdt (shm_info.shmaddr);
+ if (shm_info.shmid >= 0)
+ shmctl (shm_info.shmid, IPC_RMID, 0);
+ }
+#endif
+ XDestroyWindow (x11->dpy, x11->x_win);
+ XUnloadFont (x11->dpy, x11->text);
+
+ parent_class->finalize (object);
+}
+
+static void
+x11_plugin_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ X11Plugin *x11;
+ GObject *obj;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (G_IS_X11_PLUGIN (object));
+
+ x11 = X11_PLUGIN (object);
+
+ switch (prop_id) {
+ case ARG_MAP:
+ obj = g_value_get_object (value);
+ g_return_if_fail (obj != NULL);
+
+ if (x11->map != NULL) {
+ g_object_unref (x11->map);
+ }
+
+ x11->map = MAP (g_object_ref (obj));
+
+ if (x11->map_size != NULL) {
+ g_free (x11->map_size);
+ }
+
+ g_object_get (G_OBJECT (x11->map),
+ "size", &x11->map_size,
+ NULL);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+x11_plugin_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ X11Plugin *x11;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail (G_IS_X11_PLUGIN (object));
+
+ x11 = X11_PLUGIN (object);
+
+ switch (prop_id) {
+ case ARG_MAP:
+ g_value_set_object (value, g_object_ref (G_OBJECT (x11->map)));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+UserInterface *
+user_interface_new (Map *map, GType parent_type)
+{
+ g_return_val_if_fail (map != NULL, NULL);
+ g_return_val_if_fail (_parent_type != 0 || parent_type != 0, NULL);
+
+ if (!_parent_type) {
+ _parent_type = parent_type;
+ }
+
+ X11Plugin *x11 =
+ X11_PLUGIN (g_object_new (x11_plugin_get_type (),
+ "map", map,
+ NULL));
+ if (x11->errors) {
+ g_object_unref (G_OBJECT (x11));
+ return NULL;
+ }
+
+ return USER_INTERFACE (x11);
+}
+
+/* note that hook_delete_thing(x,y) is the same as
+ hook_add_thing(x,y,space) */
+inline void x11_plugin_add_thing (X11Plugin *x11,
+ gint x,
+ gint y,
+ gint thing)
+{
+ gint w_x, w_y;
+
+ w_x = x * TILE_SIZE;
+ w_y = y * TILE_SIZE;
+
+ switch (thing) {
+ case SPACE:
+ put_tile (x11, x11->space, w_x, w_y);
+ break;
+ case FOOD:
+ put_tile (x11, x11->food, w_x, w_y);
+ break;
+ case PRIZE:
+ put_tile (x11, x11->prize, w_x, w_y);
+ break;
+ case WALL:
+ put_tile (x11, x11->wall, w_x, w_y);
+ break;
+ case BADDIE:
+ put_tile (x11, x11->baddie, w_x, w_y);
+ break;
+ case ROBOT:
+ put_tile (x11, x11->robotPix, w_x, w_y);
+ break;
+ default:
+ put_tile (x11, x11->wall, w_x, w_y);
+ break;
+ }
+
+ put_winbuf (x11);
+ XFlush (x11->dpy);
+}
+
+inline void x11_plugin_draw (X11Plugin *x11)
+{
+ gint i, j;
+
+ /* Draw the map for the GNU Robots game. */
+ for (j = 0; j < x11->map_size->num_rows; j++) {
+ for (i = 0; i < x11->map_size->num_cols; i++) {
+ /* Special cases */
+ switch (MAP_GET_OBJECT (x11->map, i, j)) {
+ /* Add something for the ROBOT?? */
+ case '\0':
+ put_tile (x11, x11->wall, i * TILE_SIZE, j * TILE_SIZE);
+ break;
+ case SPACE:
+ put_tile (x11, x11->space, i * TILE_SIZE, j * TILE_SIZE);
+ break;
+ case FOOD:
+ put_tile (x11, x11->food, i * TILE_SIZE, j * TILE_SIZE);
+ break;
+ case PRIZE:
+ put_tile (x11, x11->prize, i * TILE_SIZE, j * TILE_SIZE);
+ break;
+ case WALL:
+ put_tile (x11, x11->wall, i * TILE_SIZE, j * TILE_SIZE);
+ break;
+ case BADDIE:
+ put_tile (x11, x11->baddie, i * TILE_SIZE, j * TILE_SIZE);
+ break;
+ case ROBOT:
+ put_tile (x11, x11->robotPix, i * TILE_SIZE, j * TILE_SIZE);
+ break;
+ default:
+ put_tile (x11, x11->wall, i * TILE_SIZE, j * TILE_SIZE);
+ break;
+ } /* switch */
+ } /* for i */
+ } /* for j */
+
+ put_winbuf (x11);
+ XSync (x11->dpy, FALSE);
+}
+
+inline void x11_plugin_move_robot (X11Plugin *x11,
+ gint from_x,
+ gint from_y,
+ gint to_x,
+ gint to_y,
+ gint cdir,
+ glong energy,
+ glong score,
+ glong shields)
+{
+ const static gint movement = TILE_SIZE / 16;
+ guint8 distance = dist (from_x, from_y, to_x, to_y);
+ guint w_x = to_x * TILE_SIZE, w_y = to_y * TILE_SIZE, tw_x, tw_y;
+ Bool ok;
+
+ g_assert (distance <= 1);
+
+ x11_plugin_update_status (x11, "robot moves..", energy, score, shields);
+
+ /* Check if robot is moving withing a single box */
+ if (distance == 0) {
+ put_tile (x11, x11->space, from_x * TILE_SIZE, from_y * TILE_SIZE);
+ put_tile (x11, x11->robotDirs[cdir], to_x * TILE_SIZE, to_y * TILE_SIZE);
+
+ put_winbuf (x11);
+ XSync (x11->dpy, False);
+ g_usleep (USLEEP_TIME / 16);
+
+ return;
+ }
+
+ from_x *= TILE_SIZE;
+ from_y *= TILE_SIZE;
+ tw_y = w_y;
+ tw_x = w_x;
+ switch (cdir) {
+ case NORTH:
+ tw_y = from_y - movement;
+ break;
+ case SOUTH:
+ tw_y = from_y + movement;
+ break;
+ case EAST:
+ tw_x = from_x + movement;
+ break;
+ case WEST:
+ tw_x = from_x - movement;
+ break;
+ default:
+ g_printf ("Weird unknown robot direction. I'm Confused.\n");
+ }
+
+ while (1) {
+ put_tile (x11, x11->space, from_x, from_y);
+ put_tile (x11, x11->robotDirs[cdir], tw_x, tw_y);
+
+ ok = False;
+ if (tw_x < w_x) {
+ tw_x += movement;
+ ok = True;
+ } else if (tw_x > w_x) {
+ tw_x -= movement;
+ ok = True;
+ }
+ if (tw_y < w_y) {
+ tw_y += movement;
+ ok = True;
+ } else if (tw_y > w_y) {
+ tw_y -= movement;
+ ok = True;
+ }
+ put_winbuf (x11);
+ XSync (x11->dpy, False);
+ g_usleep (USLEEP_TIME / 16);
+ if (!ok)
+ break;
+ }
+
+ g_usleep (USLEEP_TIME);
+}
+
+/* hooks to animate the robot */
+inline void x11_plugin_robot_smell (X11Plugin *x11,
+ gint x,
+ gint y,
+ gint cdir,
+ glong energy,
+ glong score,
+ glong shields)
+{
+ /* If we want to change the pic, do it here */
+ x11_plugin_update_status (x11, "robot sniffs...", energy, score, shields);
+ g_usleep (USLEEP_TIME);
+}
+
+inline void x11_plugin_robot_zap (X11Plugin *x11,
+ gint x,
+ gint y,
+ gint cdir,
+ gint x_to,
+ gint y_to,
+ glong energy,
+ glong score,
+ glong shields)
+{
+ x11_plugin_update_status (x11, "robot fires his little gun...", energy, score, shields);
+ g_usleep (USLEEP_TIME);
+}
+
+inline void x11_plugin_robot_feel (X11Plugin *x11,
+ gint x,
+ gint y,
+ gint cdir,
+ gint x_to,
+ gint y_to,
+ glong energy,
+ glong score,
+ glong shields)
+{
+ x11_plugin_update_status (x11, "robot feels for a thing...", energy, score, shields);
+ g_usleep (USLEEP_TIME);
+}
+
+inline void x11_plugin_robot_grab (X11Plugin *x11,
+ gint x,
+ gint y,
+ gint cdir,
+ gint x_to,
+ gint y_to,
+ glong energy,
+ glong score,
+ glong shields)
+{
+ x11_plugin_update_status (x11, "robot grabs thing...", energy, score, shields);
+ g_usleep (USLEEP_TIME);
+}
+
+inline void x11_plugin_robot_look (X11Plugin *x11,
+ gint x,
+ gint y,
+ gint cdir,
+ gint x_to,
+ gint y_to,
+ glong energy,
+ glong score,
+ glong shields)
+{
+ x11_plugin_update_status (x11, "robot looks for a thing...", energy, score, shields);
+ g_usleep (USLEEP_TIME);
+}
+
+/* hooks to get/display data from/to user */
+inline void x11_plugin_get_string (X11Plugin *x11,
+ gchar *prompt,
+ gchar *buff,
+ gint len)
+{
+ /* You want me to write a text-box using xlib?
+ * You got to be kidding me
+ * */
+ fputs (prompt, stdout);
+ fgets (buff, len, stdin);
+}
+
+inline void x11_update_status (X11Plugin *x11,
+ const gchar *s,
+ glong energy,
+ glong score,
+ glong shields)
+{
+ gchar status[20];
+ gint x = 0;
+
+ while (x < x11->win_width) {
+ XPutImage (x11->dpy, x11->win_buf, x11->buf_gc, x11->statusbar, 0, 0, x, x11->map_size->num_rows * TILE_SIZE, 96,
+ 32);
+ x = x + 96;
+ }
+
+ XDrawString (x11->dpy, x11->win_buf, x11->gc, 3, x11->map_size->num_rows * TILE_SIZE + 16, s, strlen (s));
+
+ if (energy > -1) {
+ g_sprintf (status, "Robot Energy: %3d", energy);
+ XDrawString (x11->dpy, x11->win_buf, x11->gc, 240, x11->map_size->num_rows * TILE_SIZE + 12, status,
+ strlen (status));
+ }
+
+ if (score > -1) {
+ g_sprintf (status, "Robot Score: %3d", score);
+ XDrawString (x11->dpy, x11->win_buf, x11->gc, 240, x11->map_size->num_rows * TILE_SIZE + 25, status,
+ strlen (status));
+ }
+
+ if (shields > -1) {
+ g_sprintf (status, "Robot Shields: %3d", shields);
+ XDrawString (x11->dpy, x11->win_buf, x11->gc, 480, x11->map_size->num_rows * TILE_SIZE + 12, status,
+ strlen (status));
+ }
+}
+
+inline void x11_plugin_update_status (X11Plugin *x11,
+ const gchar *s,
+ glong energy,
+ glong score,
+ glong shields)
+{
+ gint x;
+ XEvent ev;
+
+ x11_update_status (x11, s, energy, score, shields);
+
+ while (XPending (x11->dpy)) {
+ XNextEvent (x11->dpy, &ev);
+
+ switch (ev.type) {
+ case KeyPress:
+ case KeyRelease:
+ switch (XKeycodeToKeysym (x11->dpy, ev.xkey.keycode, 0)) {
+ case XK_Escape:
+ exit (0);
+ break;
+ }
+ }
+ }
+
+ put_winbuf (x11);
+}
+
+#ifdef USE_MITSHM
+inline gint
+shm_error_handler (X11Plugin *x11, Display * d, XErrorEvent * e)
+{
+ x11->use_mitshm = 0;
+ return 0;
+}
+#endif
+
+static void
+setup_winbuf (X11Plugin *x11)
+{
+ gint major, minor;
+ Bool shared;
+ XVisualInfo *matches;
+ XVisualInfo plate;
+ gint count;
+ guint depth;
+ XGCValues values;
+ Visual *vis;
+
+ vis = DefaultVisualOfScreen (DefaultScreenOfDisplay (x11->dpy));
+ plate.visualid = XVisualIDFromVisual (vis);
+ matches = XGetVisualInfo (x11->dpy, VisualIDMask, &plate, &count);
+ depth = matches[0].depth;
+
+#ifdef USE_MITSHM
+ x11->use_mitshm = 1;
+ x11->shm_info.shmid = shmget (IPC_PRIVATE, win_height * win_width * depth,
+ IPC_CREAT | 0777);
+ if (x11->shm_info.shmid < 0) {
+ g_fprintf (stderr, "shmget failed, looks like I'll have to use XPutImage\n");
+ x11->use_mitshm = 0;
+ } else {
+ x11->shm_info.shmaddr = (gchar *) shmat (x11->shm_info.shmid, 0, 0);
+
+ if (!x11->shm_info.shmaddr) {
+ g_fprintf (stderr, "shmat failed, looks like I'll have to use XPutImage\n");
+ shmctl (x11->shm_info.shmid, IPC_RMID, 0);
+ use_mitshm = 0;
+ } else {
+ XErrorHandler error_handler = XSetErrorHandler (shm_error_handler);
+
+ x11->win_bufi = XShmCreateImage (x11->dpy, vis, depth, ZPixmap, x11->shm_info.shmaddr,
+ &x11->shm_info, x11->win_width, x11->win_height);
+ x11->shm_info.readOnly = False;
+ XShmAttach (x11->dpy, &x11->shm_info);
+ win_buf = XShmCreatePixmap (x11->dpy, x11->x_win, x11->shm_info.shmaddr, &x11->shm_info,
+ x11->win_width, x11->win_height, depth);
+ XSync (x11->dpy, False);
+ (void) XSetErrorHandler (error_handler);
+ if (!use_mitshm) {
+ p_fprintf (stderr,
+ "XShmAttach failed, looks like I'll have to use XPutImage\n");
+ XFreePixmap (x11->dpy, x11->win_buf);
+ XDestroyImage (x11->win_bufi);
+ shmdt (x11->shm_info.shmaddr);
+ shmctl (x11->shm_info.shmid, IPC_RMID, 0);
+ }
+ }
+ }
+
+ if (!x11->use_mitshm) {
+#endif /* USE_MITSHM */
+ x11->win_buf = XCreatePixmap (x11->dpy, x11->x_win, x11->win_width, x11->win_height, depth);
+#ifdef USE_MITSHM
+ } else {
+ g_printf ("Using MIT Shared Memory Pixmaps. Good.\n", major, minor);
+ }
+#endif
+
+ values.font = x11->text;
+ values.foreground = WhitePixel (x11->dpy, DefaultScreen (x11->dpy));
+
+ x11->buf_gc = XCreateGC (x11->dpy, x11->win_buf, GCFont | GCForeground, &values);
+}
+
+void
+create_image (X11Plugin *x11, gchar **data, XImage ** image)
+{
+ XpmAttributes a;
+ gint err;
+
+ a.valuemask = XpmCloseness | XpmAllocCloseColors;
+ a.closeness = 40000; /* the xpm manual suggests 40000 */
+ a.alloc_close_colors = 1; /* allocate the colours chosen */
+ err = XpmCreateImageFromData (x11->dpy, data, image, NULL, &a);
+ if (err != 0) {
+ g_fprintf (stderr, "Cannot create image from xpm: %s\n",
+ XpmGetErrorString (err));
+ exit (1);
+ }
+}
+
+static void
+put_tile (X11Plugin *x11, XImage *image, gint x, gint y)
+{
+ XPutImage (x11->dpy, x11->win_buf, x11->gc, image, 0, 0, x, y, TILE_SIZE, TILE_SIZE);
+}
+
+static void put_winbuf (X11Plugin *x11)
+{
+#ifdef USE_MITSHM
+ if (use_mitshm)
+ XShmPutImage (x11->dpy, x11->x_win, x11->gc, x11->win_bufi, 0, 0, 0, 0, x11->win_width, x11->win_height,
+ False);
+ else
+#endif
+ XCopyArea (x11->dpy, x11->win_buf, x11->x_win, x11->gc, 0, 0, x11->win_width, x11->win_height, 0, 0);
+
+ XSync (x11->dpy, 0);
+}
+
+static void x11_plugin_interface_init (gpointer g_iface, gpointer iface_data)
+{
+ UserInterfaceClass *klass = (UserInterfaceClass *)g_iface;
+
+ klass->user_interface_add_thing = (void (*) (UserInterface *ui,
+ gint x,
+ gint y,
+ gint thing))
+ x11_plugin_add_thing;
+
+ klass->user_interface_draw = (void (*) (UserInterface *ui)) x11_plugin_draw;
+ klass->user_interface_update_status = (void (*) (UserInterface *ui,
+ const gchar *s,
+ glong energy,
+ glong score,
+ glong shields))
+ x11_plugin_update_status;
+ klass->user_interface_move_robot = (void (*) (UserInterface *ui,
+ gint from_x,
+ gint from_y,
+ gint to_x,
+ gint to_y,
+ gint cdir,
+ glong energy,
+ glong score,
+ glong shields))
+ x11_plugin_move_robot;
+ klass->user_interface_robot_smell = (void (*) (UserInterface *ui,
+ gint x,
+ gint y,
+ gint cdir,
+ glong energy,
+ glong score,
+ glong shields))
+ x11_plugin_robot_smell;
+ klass->user_interface_robot_zap = (void (*) (UserInterface *ui,
+ gint x,
+ gint y,
+ gint cdir,
+ gint x_to,
+ gint y_to,
+ glong energy,
+ glong score,
+ glong shields))
+ x11_plugin_robot_zap;
+ klass->user_interface_robot_feel = (void (*) (UserInterface *ui,
+ gint x,
+ gint y,
+ gint cdir,
+ gint x_to,
+ gint y_to,
+ glong energy,
+ glong score,
+ glong shields))
+ x11_plugin_robot_grab;
+ klass->user_interface_robot_grab = (void (*) (UserInterface *ui,
+ gint x,
+ gint y,
+ gint cdir,
+ gint x_to,
+ gint y_to,
+ glong energy,
+ glong score,
+ glong shields))
+ x11_plugin_robot_grab;
+ klass->user_interface_robot_look = (void (*) (UserInterface *ui,
+ gint x,
+ gint y,
+ gint cdir,
+ gint x_to,
+ gint y_to,
+ glong energy,
+ glong score,
+ glong shields))
+ x11_plugin_robot_look;
+ klass->user_interface_get_string = (void (*) (UserInterface *ui,
+ gchar *prompt,
+ gchar *buff,
+ gint len))
+ x11_plugin_get_string;
+}