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/* |
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CrossFire, A Multiplayer game for X-windows |
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|
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Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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Copyright (C) 1992 Frank Tore Johansen |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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|
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The author can be reached via e-mail to <crossfire@schmorp.de> |
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*/ |
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|
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/** |
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* \file |
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* Client/server logic. |
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* |
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* \date 2003-12-02 |
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* |
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* This containes item logic for client/server. It doesn't contain |
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* the actual commands that send the data, but does contain |
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* the logic for what items should be sent. |
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*/ |
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|
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|
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#include <global.h> |
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#include <object.h> /* LOOK_OBJ */ |
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#include <newclient.h> |
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#include <newserver.h> |
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#include <sproto.h> |
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|
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/** This is the maximum number of bytes we expect any one item to take up */ |
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#define MAXITEMLEN 300 |
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|
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/******************************************************************************* |
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* |
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* Functions related to sending object data to the client. |
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* |
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******************************************************************************/ |
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|
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/** |
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* Adds string to socklist. |
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* |
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* This is a simple function that we use a lot here. It basically |
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* adds the specified buffer into the socklist, but prepends a |
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* single byte in length. If the data is longer than that byte, it is |
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* truncated approprately. |
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*/ |
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inline void |
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add_stringlen_to_sockbuf (const char *buf, SockList * sl) |
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{ |
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int len; |
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|
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len = strlen (buf); |
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if (len > 255) |
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len = 255; |
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SockList_AddChar (sl, (char) len); |
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strncpy ((char *) sl->buf + sl->len, buf, len); |
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sl->len += len; |
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} |
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|
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/** |
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* This is a similar to query_name, but returns flags |
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* to be sended to client. |
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*/ |
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unsigned int |
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query_flags (object *op) |
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{ |
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unsigned int flags = 0; |
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|
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if (QUERY_FLAG (op, FLAG_APPLIED)) |
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{ |
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switch (op->type) |
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{ |
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case BOW: |
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case WAND: |
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case ROD: |
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case HORN: |
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flags = a_readied; |
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break; |
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case WEAPON: |
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flags = a_wielded; |
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break; |
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case SKILL: |
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case ARMOUR: |
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case HELMET: |
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case SHIELD: |
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case RING: |
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case BOOTS: |
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case GLOVES: |
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case AMULET: |
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case GIRDLE: |
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case BRACERS: |
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case CLOAK: |
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flags = a_worn; |
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break; |
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case CONTAINER: |
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flags = a_active; |
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break; |
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default: |
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flags = a_applied; |
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break; |
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} |
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} |
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if (op->type == CONTAINER && ((op->env && op->env->container == op) || (!op->env && QUERY_FLAG (op, FLAG_APPLIED)))) |
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flags |= F_OPEN; |
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|
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if (QUERY_FLAG (op, FLAG_KNOWN_CURSED)) |
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{ |
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if (QUERY_FLAG (op, FLAG_DAMNED)) |
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flags |= F_DAMNED; |
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else if (QUERY_FLAG (op, FLAG_CURSED)) |
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flags |= F_CURSED; |
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} |
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if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED)) |
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flags |= F_MAGIC; |
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if (QUERY_FLAG (op, FLAG_UNPAID)) |
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flags |= F_UNPAID; |
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if (QUERY_FLAG (op, FLAG_INV_LOCKED)) |
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flags |= F_LOCKED; |
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|
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return flags; |
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} |
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|
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/* Used in the send_look to put object head into SockList |
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* sl for socket ns. Need socket to know if we need to send |
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* animation of face to the client. |
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*/ |
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static void |
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add_object_to_socklist (NewSocket * ns, SockList * sl, object *head) |
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{ |
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int flags, len, anim_speed; |
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char item_n[MAX_BUF]; |
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const char *item_p; |
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|
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flags = query_flags (head); |
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if (QUERY_FLAG (head, FLAG_NO_PICK)) |
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flags |= F_NOPICK; |
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|
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if (!(ns->faces_sent[head->face->number] & NS_FACESENT_FACE)) |
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esrv_send_face (ns, head->face->number, 0); |
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|
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if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns->anims_sent[head->animation_id]) |
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esrv_send_animation (ns, head->animation_id); |
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|
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SockList_AddInt (sl, head->count); |
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SockList_AddInt (sl, flags); |
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SockList_AddInt (sl, QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)); |
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SockList_AddInt (sl, head->face->number); |
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|
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if (!head->custom_name) |
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{ |
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strncpy (item_n, query_base_name (head, 0), 127); |
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item_n[127] = 0; |
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len = strlen (item_n); |
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item_p = query_base_name (head, 1); |
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} |
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else |
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{ |
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strncpy (item_n, head->custom_name, 127); |
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item_n[127] = 0; |
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len = strlen (item_n); |
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item_p = head->custom_name; |
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} |
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strncpy (item_n + len + 1, item_p, 127); |
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item_n[254] = 0; |
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len += strlen (item_n + 1 + len) + 1; |
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SockList_AddChar (sl, (char) len); |
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memcpy (sl->buf + sl->len, item_n, len); |
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sl->len += len; |
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|
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SockList_AddShort (sl, head->animation_id); |
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anim_speed = 0; |
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if (QUERY_FLAG (head, FLAG_ANIMATE)) |
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{ |
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if (head->anim_speed) |
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anim_speed = head->anim_speed; |
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else |
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{ |
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if (FABS (head->speed) < 0.001) |
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anim_speed = 255; |
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else if (FABS (head->speed) >= 1.0) |
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anim_speed = 1; |
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else |
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anim_speed = (int) (1.0 / FABS (head->speed)); |
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} |
197 |
if (anim_speed > 255) |
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anim_speed = 255; |
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} |
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SockList_AddChar (sl, (char) anim_speed); |
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SockList_AddInt (sl, head->nrof); |
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|
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if (ns->itemcmd == 2) |
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SockList_AddShort (sl, head->client_type); |
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|
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SET_FLAG (head, FLAG_CLIENT_SENT); |
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} |
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|
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|
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/** |
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* Send the look window. Don't need to do animations here |
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* This sends all the faces to the client, not just updates. This is |
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* because object ordering would otherwise be inconsistent |
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*/ |
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|
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void |
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esrv_draw_look (object *pl) |
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{ |
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object *tmp, *last; |
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int got_one = 0, start_look = 0, end_look = 0; |
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SockList sl; |
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char buf[MAX_BUF]; |
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|
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if (!pl->contr->socket.update_look) |
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{ |
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LOG (llevDebug, "esrv_draw_look called when update_look was not set\n"); |
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return; |
228 |
} |
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else |
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{ |
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pl->contr->socket.update_look = 0; |
232 |
} |
233 |
|
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if (QUERY_FLAG (pl, FLAG_REMOVED) || pl->map == NULL || pl->map->in_memory != MAP_IN_MEMORY || out_of_map (pl->map, pl->x, pl->y)) |
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return; |
236 |
|
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for (tmp = get_map_ob (pl->map, pl->x, pl->y); tmp && tmp->above; tmp = tmp->above); |
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|
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sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
240 |
|
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Write_String_To_Socket (&pl->contr->socket, "delinv 0", strlen ("delinv 0")); |
242 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
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sl.len = strlen ((char *) sl.buf); |
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|
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SockList_AddInt (&sl, 0); |
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|
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if (!(pl->contr->socket.faces_sent[empty_face->number] & NS_FACESENT_FACE)) |
248 |
esrv_send_face (&pl->contr->socket, empty_face->number, 0); |
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|
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if (pl->contr->socket.look_position) |
251 |
{ |
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SockList_AddInt (&sl, 0x80000000 | (pl->contr->socket.look_position - NUM_LOOK_OBJECTS)); |
253 |
SockList_AddInt (&sl, 0); |
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SockList_AddInt (&sl, (uint32) - 1); |
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SockList_AddInt (&sl, empty_face->number); |
256 |
sprintf (buf, "Click here to see %d previous items", NUM_LOOK_OBJECTS); |
257 |
add_stringlen_to_sockbuf (buf, &sl); |
258 |
SockList_AddShort (&sl, 0); |
259 |
SockList_AddChar (&sl, 0); |
260 |
SockList_AddInt (&sl, 0); |
261 |
if (pl->contr->socket.itemcmd == 2) |
262 |
SockList_AddShort (&sl, 0); |
263 |
} |
264 |
|
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for (last = NULL; tmp != last; tmp = tmp->below) |
266 |
{ |
267 |
object *head; |
268 |
|
269 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) |
270 |
{ |
271 |
last = tmp->below; /* assumes double floor mode */ |
272 |
if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) |
273 |
last = last->below; |
274 |
} |
275 |
if (LOOK_OBJ (tmp)) |
276 |
{ |
277 |
if (++start_look < pl->contr->socket.look_position) |
278 |
continue; |
279 |
end_look++; |
280 |
if (end_look > NUM_LOOK_OBJECTS) |
281 |
{ |
282 |
/* What we basically do is make a 'fake' object - when the user applies it, |
283 |
* we notice the special tag the object has, and act accordingly. |
284 |
*/ |
285 |
SockList_AddInt (&sl, 0x80000000 | (pl->contr->socket.look_position + NUM_LOOK_OBJECTS)); |
286 |
SockList_AddInt (&sl, 0); |
287 |
SockList_AddInt (&sl, (uint32) - 1); |
288 |
SockList_AddInt (&sl, empty_face->number); |
289 |
sprintf (buf, "Click here to see next group of items"); |
290 |
add_stringlen_to_sockbuf (buf, &sl); |
291 |
SockList_AddShort (&sl, 0); |
292 |
SockList_AddChar (&sl, 0); |
293 |
SockList_AddInt (&sl, 0); |
294 |
if (pl->contr->socket.itemcmd == 2) |
295 |
SockList_AddShort (&sl, 0); |
296 |
break; |
297 |
} |
298 |
if (tmp->head) |
299 |
head = tmp->head; |
300 |
else |
301 |
head = tmp; |
302 |
|
303 |
add_object_to_socklist (&pl->contr->socket, &sl, head); |
304 |
got_one++; |
305 |
|
306 |
if (sl.len >= (MAXSOCKBUF - MAXITEMLEN)) |
307 |
{ |
308 |
Send_With_Handling (&pl->contr->socket, &sl); |
309 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
310 |
sl.len = strlen ((char *) sl.buf); |
311 |
SockList_AddInt (&sl, 0); |
312 |
got_one = 0; |
313 |
} |
314 |
} /* If LOOK_OBJ() */ |
315 |
} |
316 |
if (got_one) |
317 |
Send_With_Handling (&pl->contr->socket, &sl); |
318 |
|
319 |
free (sl.buf); |
320 |
} |
321 |
|
322 |
/** |
323 |
* Sends whole inventory. |
324 |
*/ |
325 |
void |
326 |
esrv_send_inventory (object *pl, object *op) |
327 |
{ |
328 |
object *tmp; |
329 |
int got_one = 0; |
330 |
SockList sl; |
331 |
|
332 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
333 |
|
334 |
sprintf ((char *) sl.buf, "delinv %d", op->count); |
335 |
sl.len = strlen ((char *) sl.buf); |
336 |
Send_With_Handling (&pl->contr->socket, &sl); |
337 |
|
338 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
339 |
sl.len = strlen ((char *) sl.buf); |
340 |
|
341 |
SockList_AddInt (&sl, op->count); |
342 |
|
343 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
344 |
{ |
345 |
object *head; |
346 |
|
347 |
if (tmp->head) |
348 |
head = tmp->head; |
349 |
else |
350 |
head = tmp; |
351 |
|
352 |
if (LOOK_OBJ (head)) |
353 |
{ |
354 |
add_object_to_socklist (&pl->contr->socket, &sl, head); |
355 |
|
356 |
got_one++; |
357 |
|
358 |
/* IT is possible for players to accumulate a huge amount of |
359 |
* items (especially with some of the bags out there) to |
360 |
* overflow the buffer. IF so, send multiple item commands. |
361 |
*/ |
362 |
if (sl.len >= (MAXSOCKBUF - MAXITEMLEN)) |
363 |
{ |
364 |
Send_With_Handling (&pl->contr->socket, &sl); |
365 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
366 |
sl.len = strlen ((char *) sl.buf); |
367 |
SockList_AddInt (&sl, op->count); |
368 |
got_one = 0; |
369 |
} |
370 |
} /* If LOOK_OBJ() */ |
371 |
} |
372 |
if (got_one) |
373 |
Send_With_Handling (&pl->contr->socket, &sl); |
374 |
free (sl.buf); |
375 |
} |
376 |
|
377 |
/** |
378 |
* Updates object *op for player *pl. |
379 |
* |
380 |
* flags is a list of values to update |
381 |
* to the client (as defined in newclient.h - might as well use the |
382 |
* same value both places. |
383 |
*/ |
384 |
|
385 |
void |
386 |
esrv_update_item (int flags, object *pl, object *op) |
387 |
{ |
388 |
SockList sl; |
389 |
|
390 |
/* If we have a request to send the player item, skip a few checks. */ |
391 |
if (op != pl) |
392 |
{ |
393 |
if (!LOOK_OBJ (op)) |
394 |
return; |
395 |
/* we remove the check for op->env, because in theory, the object |
396 |
* is hopefully in the same place, so the client should preserve |
397 |
* order. |
398 |
*/ |
399 |
} |
400 |
if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
401 |
{ |
402 |
/* FLAG_CLIENT_SENT is debug only. We are using it to see where |
403 |
* this is happening - we can set a breakpoint here in the debugger |
404 |
* and track back the call. |
405 |
*/ |
406 |
LOG (llevDebug, "We have not sent item %s (%d)\n", &op->name, op->count); |
407 |
} |
408 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
409 |
|
410 |
strcpy ((char *) sl.buf, "upditem "); |
411 |
sl.len = strlen ((char *) sl.buf); |
412 |
|
413 |
SockList_AddChar (&sl, (char) flags); |
414 |
|
415 |
if (op->head) |
416 |
op = op->head; |
417 |
|
418 |
SockList_AddInt (&sl, op->count); |
419 |
|
420 |
if (flags & UPD_LOCATION) |
421 |
SockList_AddInt (&sl, op->env ? op->env->count : 0); |
422 |
|
423 |
if (flags & UPD_FLAGS) |
424 |
SockList_AddInt (&sl, query_flags (op)); |
425 |
|
426 |
if (flags & UPD_WEIGHT) |
427 |
{ |
428 |
sint32 weight = WEIGHT (op); |
429 |
|
430 |
SockList_AddInt (&sl, QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
431 |
if (pl == op) |
432 |
{ |
433 |
op->contr->last_weight = weight; |
434 |
} |
435 |
} |
436 |
|
437 |
if (flags & UPD_FACE) |
438 |
{ |
439 |
if (!(pl->contr->socket.faces_sent[op->face->number] & NS_FACESENT_FACE)) |
440 |
esrv_send_face (&pl->contr->socket, op->face->number, 0); |
441 |
SockList_AddInt (&sl, op->face->number); |
442 |
} |
443 |
if (flags & UPD_NAME) |
444 |
{ |
445 |
int len; |
446 |
const char *item_p; |
447 |
char item_n[MAX_BUF]; |
448 |
|
449 |
if (!op->custom_name) |
450 |
{ |
451 |
strncpy (item_n, query_base_name (op, 0), 127); |
452 |
item_n[127] = 0; |
453 |
len = strlen (item_n); |
454 |
item_p = query_base_name (op, 1); |
455 |
} |
456 |
else |
457 |
{ |
458 |
strncpy (item_n, op->custom_name, 127); |
459 |
item_n[127] = 0; |
460 |
len = strlen (item_n); |
461 |
item_p = op->custom_name; |
462 |
} |
463 |
|
464 |
strncpy (item_n + len + 1, item_p, 127); |
465 |
item_n[254] = 0; |
466 |
len += strlen (item_n + 1 + len) + 1; |
467 |
SockList_AddChar (&sl, (char) len); |
468 |
memcpy (sl.buf + sl.len, item_n, len); |
469 |
sl.len += len; |
470 |
} |
471 |
if (flags & UPD_ANIM) |
472 |
SockList_AddShort (&sl, op->animation_id); |
473 |
|
474 |
if (flags & UPD_ANIMSPEED) |
475 |
{ |
476 |
int anim_speed = 0; |
477 |
|
478 |
if (QUERY_FLAG (op, FLAG_ANIMATE)) |
479 |
{ |
480 |
if (op->anim_speed) |
481 |
anim_speed = op->anim_speed; |
482 |
else |
483 |
{ |
484 |
if (FABS (op->speed) < 0.001) |
485 |
anim_speed = 255; |
486 |
else if (FABS (op->speed) >= 1.0) |
487 |
anim_speed = 1; |
488 |
else |
489 |
anim_speed = (int) (1.0 / FABS (op->speed)); |
490 |
} |
491 |
if (anim_speed > 255) |
492 |
anim_speed = 255; |
493 |
} |
494 |
SockList_AddChar (&sl, (char) anim_speed); |
495 |
} |
496 |
if (flags & UPD_NROF) |
497 |
SockList_AddInt (&sl, op->nrof); |
498 |
|
499 |
Send_With_Handling (&pl->contr->socket, &sl); |
500 |
free (sl.buf); |
501 |
} |
502 |
|
503 |
/** |
504 |
* Sends item's info to player. |
505 |
*/ |
506 |
void |
507 |
esrv_send_item (object *pl, object *op) |
508 |
{ |
509 |
SockList sl; |
510 |
|
511 |
/* If this is not the player object, do some more checks */ |
512 |
if (op != pl) |
513 |
{ |
514 |
/* We only send 'visibile' objects to the client */ |
515 |
if (!LOOK_OBJ (op)) |
516 |
return; |
517 |
/* if the item is on the ground, mark that the look needs to |
518 |
* be updated. |
519 |
*/ |
520 |
if (!op->env) |
521 |
{ |
522 |
pl->contr->socket.update_look = 1; |
523 |
return; |
524 |
} |
525 |
} |
526 |
|
527 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
528 |
|
529 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
530 |
sl.len = strlen ((char *) sl.buf); |
531 |
|
532 |
if (op->head) |
533 |
op = op->head; |
534 |
|
535 |
SockList_AddInt (&sl, op->env ? op->env->count : 0); |
536 |
|
537 |
add_object_to_socklist (&pl->contr->socket, &sl, op); |
538 |
|
539 |
Send_With_Handling (&pl->contr->socket, &sl); |
540 |
SET_FLAG (op, FLAG_CLIENT_SENT); |
541 |
free (sl.buf); |
542 |
} |
543 |
|
544 |
/** |
545 |
* Tells the client to delete an item. Uses the item |
546 |
* command with a -1 location. |
547 |
*/ |
548 |
|
549 |
void |
550 |
esrv_del_item (player *pl, int tag) |
551 |
{ |
552 |
SockList sl; |
553 |
|
554 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
555 |
|
556 |
strcpy ((char *) sl.buf, "delitem "); |
557 |
sl.len = strlen ((char *) sl.buf); |
558 |
SockList_AddInt (&sl, tag); |
559 |
|
560 |
Send_With_Handling (&pl->socket, &sl); |
561 |
free (sl.buf); |
562 |
} |
563 |
|
564 |
|
565 |
/******************************************************************************* |
566 |
* |
567 |
* Client has requested us to do something with an object. |
568 |
* |
569 |
******************************************************************************/ |
570 |
|
571 |
/** |
572 |
* Takes a player and object count (tag) and returns the actual object |
573 |
* pointer, or null if it can't be found. |
574 |
*/ |
575 |
|
576 |
object * |
577 |
esrv_get_ob_from_count (object *pl, tag_t count) |
578 |
{ |
579 |
object *op, *tmp; |
580 |
|
581 |
if (pl->count == count) |
582 |
return pl; |
583 |
|
584 |
for (op = pl->inv; op; op = op->below) |
585 |
if (op->count == count) |
586 |
return op; |
587 |
else if (op->type == CONTAINER && pl->container == op) |
588 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
589 |
if (tmp->count == count) |
590 |
return tmp; |
591 |
|
592 |
for (op = get_map_ob (pl->map, pl->x, pl->y); op; op = op->above) |
593 |
if (op->head != NULL && op->head->count == count) |
594 |
return op; |
595 |
else if (op->count == count) |
596 |
return op; |
597 |
else if (op->type == CONTAINER && pl->container == op) |
598 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
599 |
if (tmp->count == count) |
600 |
return tmp; |
601 |
|
602 |
return NULL; |
603 |
} |
604 |
|
605 |
|
606 |
/** Client wants to examine some object. So lets do so. */ |
607 |
void |
608 |
ExamineCmd (char *buf, int len, player *pl) |
609 |
{ |
610 |
long tag = atoi (buf); |
611 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
612 |
|
613 |
if (!op) |
614 |
{ |
615 |
LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag); |
616 |
return; |
617 |
} |
618 |
examine (pl->ob, op); |
619 |
} |
620 |
|
621 |
/** Client wants to apply some object. Lets do so. */ |
622 |
void |
623 |
ApplyCmd (char *buf, int len, player *pl) |
624 |
{ |
625 |
uint32 tag = atoi (buf); |
626 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
627 |
|
628 |
/* sort of a hack, but if the player saves and the player then manually |
629 |
* applies a savebed (or otherwise tries to do stuff), we run into trouble. |
630 |
*/ |
631 |
if (QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
632 |
return; |
633 |
|
634 |
/* If the high bit is set, player applied a pseudo object. */ |
635 |
if (tag & 0x80000000) |
636 |
{ |
637 |
pl->socket.look_position = tag & 0x7fffffff; |
638 |
pl->socket.update_look = 1; |
639 |
return; |
640 |
} |
641 |
|
642 |
if (!op) |
643 |
{ |
644 |
LOG (llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", &pl->ob->name, tag); |
645 |
return; |
646 |
} |
647 |
player_apply (pl->ob, op, 0, 0); |
648 |
} |
649 |
|
650 |
/** Client wants to apply some object. Lets do so. */ |
651 |
void |
652 |
LockItem (uint8 * data, int len, player *pl) |
653 |
{ |
654 |
int flag, tag; |
655 |
object *op; |
656 |
|
657 |
flag = data[0]; |
658 |
tag = GetInt_String (data + 1); |
659 |
op = esrv_get_ob_from_count (pl->ob, tag); |
660 |
|
661 |
if (!op) |
662 |
{ |
663 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to lock/unlock"); |
664 |
return; |
665 |
} |
666 |
if (!flag) |
667 |
CLEAR_FLAG (op, FLAG_INV_LOCKED); |
668 |
else |
669 |
SET_FLAG (op, FLAG_INV_LOCKED); |
670 |
esrv_update_item (UPD_FLAGS, pl->ob, op); |
671 |
} |
672 |
|
673 |
/** Client wants to apply some object. Lets do so. */ |
674 |
void |
675 |
MarkItem (uint8 * data, int len, player *pl) |
676 |
{ |
677 |
int tag; |
678 |
object *op; |
679 |
|
680 |
tag = GetInt_String (data); |
681 |
op = esrv_get_ob_from_count (pl->ob, tag); |
682 |
if (!op) |
683 |
{ |
684 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to mark"); |
685 |
return; |
686 |
} |
687 |
pl->mark = op; |
688 |
pl->mark_count = op->count; |
689 |
new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name (op)); |
690 |
} |
691 |
|
692 |
|
693 |
/** |
694 |
* look_at prints items on the specified square. |
695 |
* |
696 |
* [ removed EARTHWALL check and added check for containers inventory. |
697 |
* Tero.Haatanen@lut.fi ] |
698 |
*/ |
699 |
void |
700 |
look_at (object *op, int dx, int dy) |
701 |
{ |
702 |
object *tmp; |
703 |
int flag = 0; |
704 |
sint16 x, y; |
705 |
mapstruct *m; |
706 |
|
707 |
x = op->x + dx; |
708 |
y = op->y + dy; |
709 |
|
710 |
if (out_of_map (op->map, x, y)) |
711 |
return; |
712 |
|
713 |
m = get_map_from_coord (op->map, &x, &y); |
714 |
if (!m) |
715 |
return; |
716 |
|
717 |
for (tmp = get_map_ob (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above); |
718 |
|
719 |
for (; tmp != NULL; tmp = tmp->below) |
720 |
{ |
721 |
if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ)) |
722 |
continue; |
723 |
|
724 |
if (!flag) |
725 |
{ |
726 |
if (dx || dy) |
727 |
new_draw_info (NDI_UNIQUE, 0, op, "There you see:"); |
728 |
else |
729 |
{ |
730 |
clear_win_info (op); |
731 |
new_draw_info (NDI_UNIQUE, 0, op, "You see:"); |
732 |
} |
733 |
flag = 1; |
734 |
} |
735 |
|
736 |
if (QUERY_FLAG (op, FLAG_WIZ)) |
737 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s (%d).", query_name (tmp), tmp->count); |
738 |
else |
739 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s.", query_name (tmp)); |
740 |
|
741 |
if (((tmp->inv != NULL || (tmp->head && tmp->head->inv)) && |
742 |
(tmp->type != CONTAINER && tmp->type != FLESH)) || QUERY_FLAG (op, FLAG_WIZ)) |
743 |
inventory (op, tmp->head == NULL ? tmp : tmp->head); |
744 |
|
745 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !QUERY_FLAG (op, FLAG_WIZ)) /* don't continue under the floor */ |
746 |
break; |
747 |
} |
748 |
|
749 |
if (!flag) |
750 |
{ |
751 |
if (dx || dy) |
752 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing there."); |
753 |
else |
754 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
755 |
} |
756 |
} |
757 |
|
758 |
|
759 |
|
760 |
/** Client wants to look at some object. Lets do so. */ |
761 |
void |
762 |
LookAt (char *buf, int len, player *pl) |
763 |
{ |
764 |
int dx, dy; |
765 |
char *cp; |
766 |
|
767 |
dx = atoi (buf); |
768 |
if (!(cp = strchr (buf, ' '))) |
769 |
{ |
770 |
return; |
771 |
} |
772 |
dy = atoi (cp); |
773 |
|
774 |
if (FABS (dx) > pl->socket.mapx / 2 || FABS (dy) > pl->socket.mapy / 2) |
775 |
return; |
776 |
|
777 |
if (pl->blocked_los[dx + pl->socket.mapx / 2][dy + pl->socket.mapy / 2]) |
778 |
return; |
779 |
|
780 |
look_at (pl->ob, dx, dy); |
781 |
} |
782 |
|
783 |
/** Move an object to a new location */ |
784 |
void |
785 |
esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
786 |
{ |
787 |
object *op, *env; |
788 |
|
789 |
op = esrv_get_ob_from_count (pl, tag); |
790 |
if (!op) |
791 |
{ |
792 |
LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag); |
793 |
return; |
794 |
} |
795 |
|
796 |
if (!to) |
797 |
{ /* drop it to the ground */ |
798 |
|
799 |
/* LOG(llevDebug, "Drop it on the ground.\n");*/ |
800 |
|
801 |
if (op->map && !op->env) |
802 |
{ |
803 |
|
804 |
/* LOG(llevDebug,"Dropping object to ground that is already on ground\n");*/ |
805 |
return; |
806 |
} |
807 |
/* If it is an active container, then we should drop all objects |
808 |
* in the container and not the container itself. |
809 |
*/ |
810 |
if (op->inv && QUERY_FLAG (op, FLAG_APPLIED)) |
811 |
{ |
812 |
object *current, *next; |
813 |
|
814 |
for (current = op->inv; current != NULL; current = next) |
815 |
{ |
816 |
next = current->below; |
817 |
drop_object (pl, current, 0); |
818 |
} |
819 |
esrv_update_item (UPD_WEIGHT, pl, op); |
820 |
} |
821 |
else |
822 |
{ |
823 |
drop_object (pl, op, nrof); |
824 |
} |
825 |
return; |
826 |
} |
827 |
else if (to == pl->count) |
828 |
{ /* pick it up to the inventory */ |
829 |
/* return if player has already picked it up */ |
830 |
if (op->env == pl) |
831 |
return; |
832 |
|
833 |
pl->contr->count = nrof; |
834 |
pick_up (pl, op); |
835 |
return; |
836 |
} |
837 |
env = esrv_get_ob_from_count (pl, to); |
838 |
if (!env) |
839 |
{ |
840 |
LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to); |
841 |
return; |
842 |
} |
843 |
/* put_object_in_sack presumes that necessary sanity checking |
844 |
* has already been done (eg, it can be picked up and fits in |
845 |
* in a sack, so check for those things. We should also check |
846 |
* an make sure env is in fact a container for that matter. |
847 |
*/ |
848 |
if (env->type == CONTAINER && can_pick (pl, op) && sack_can_hold (pl, env, op, nrof)) |
849 |
{ |
850 |
put_object_in_sack (pl, env, op, nrof); |
851 |
} |
852 |
} |