Crossfire Server, Trunk
request.cpp File Reference
#include "global.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netdb.h>
#include "commands.h"
#include "living.h"
#include "newserver.h"
#include "shared/newclient.h"
#include "sounds.h"
#include "sproto.h"
+ Include dependency graph for request.cpp:

Go to the source code of this file.

Macros

#define AddIfFloat(Old, New, sl, Type)
 
#define AddIfInt(Old, New, sl, Type)
 
#define AddIfInt64(Old, New, sl, Type)
 
#define AddIfShort(Old, New, sl, Type)
 
#define AddIfString(Old, New, sl, Type)
 
#define FIF(F, C)
 
#define MAX_CHOICES   100
 
#define MAX_HEAD_POS   MAX(MAX_CLIENT_X, MAX_CLIENT_Y)
 
#define VALIDCHAR_MSG   "The first character must be alphanumeric and the last cannot be a space. None of these characters are allowed: :;/\\["
 

Typedefs

typedef int ssop_t
 

Functions

void account_add_player_cmd (char *buf, int len, socket_struct *ns)
 
static int account_block_create (const socket_struct *ns)
 
void account_login_cmd (char *buf, int len, socket_struct *ns)
 
void account_new_cmd (char *buf, int len, socket_struct *ns)
 
void account_password (char *buf, int len, socket_struct *ns)
 
void account_play_cmd (char *buf, int len, socket_struct *ns)
 
static void add_char_field (SockList *sl, int type, const char *data)
 
void add_me_cmd (char *buf, int len, socket_struct *ns)
 
static int annotate_ob (int ax, int ay, const object *ob, SockList *sl, socket_struct *ns, int *has_obj, int *alive_layer)
 
static void append_spell (player *pl, SockList *sl, object *spell)
 
void ask_smooth_cmd (char *buf, int len, socket_struct *ns)
 
static int check_probe (int ax, int ay, const object *ob, SockList *sl, socket_struct *ns, int *has_obj, int *alive_layer)
 
static void check_space_for_heads (int ax, int ay, SockList *sl, socket_struct *ns)
 
static int clamp (int x, int min, int max)
 
void create_player_cmd (char *buf, int len, socket_struct *ns)
 
static int decode_name_password (const char *buf, int *len, char *name, char *password)
 
void draw_client_map (object *pl)
 
static void draw_client_map2 (object *pl)
 
void esrv_add_spells (player *pl, object *spell)
 
void esrv_map_scroll (socket_struct *ns, int dx, int dy)
 
void esrv_new_player (player *pl, uint32_t weight)
 
void esrv_remove_spell (player *pl, object *spell)
 
void esrv_send_animation (socket_struct *ns, const Animations *anim)
 
void esrv_send_pickup (player *pl)
 
void esrv_update_spells (player *pl)
 
void esrv_update_stats (player *pl)
 
static void handle_scroll (socket_struct *socket, SockList *sl)
 
static uint8_t is_perfect (const player *pl)
 
static int map2_add_ob (int ax, int ay, int layer, const object *ob, SockList *sl, socket_struct *ns, int *has_obj, int is_head)
 
static uint16_t MAP2_COORD_ENCODE (int x, int y, int flags)
 
static bool map2_coord_valid (int x)
 
static int map2_delete_layer (int ax, int ay, int layer, SockList *sl, socket_struct *ns)
 
static void map_clearcell (struct map_cell_struct *cell, int face, int darkness)
 
void map_newmap_cmd (socket_struct *ns)
 
void move_cmd (char *buf, int len, player *pl)
 
void new_player_cmd (uint8_t *buf, int len, player *pl)
 
void reply_cmd (char *buf, int len, player *pl)
 
void send_account_players (socket_struct *ns)
 
static void send_extra_stats (SockList *sl, player *pl)
 
void send_plugin_custom_message (object *pl, char *buf)
 
void send_query (socket_struct *ns, uint8_t flags, const char *text)
 
static void send_smooth (socket_struct *ns, const Face *face)
 
void send_tick (player *pl)
 
void set_up_cmd (char *buf, int len, socket_struct *ns)
 
static int spell_client_use (const object *spell)
 
void version_cmd (char *buf, int len, socket_struct *ns)
 

Variables

static const short atnr_cs_stat [NROFATTACKS]
 
static const objectheads [MAX_HEAD_POS][MAX_HEAD_POS][MAP_LAYERS]
 
static const int MAP2_COORD_MAX = 63 - MAP2_COORD_OFFSET
 
static const int MAP2_COORD_MIN = -MAP2_COORD_OFFSET
 

Detailed Description

Client handling.

Date
2003-12-02

This file implements all of the goo on the server side for handling clients. It's got a bunch of global variables for keeping track of each of the clients.

Note: All functions that are used to process data from the client have the prototype of (char *data, int datalen, int client_num). This way, we can use one dispatch table.

esrv_map_scroll tells the client to scroll the map, and does similarily for the locally cached copy.

Todo:
smoothing should be automatic for latest clients. Remove some stuff we can assume is always on. fix comments for this file.

This file should probably be broken up into smaller sections - having all request handling from the client in one file makes this a very large file in which it is hard to find data (and know how it is related). In addition, a lot of the function is not actually requests from the client, but push from the server (stats, maps)

Definition in file request.cpp.

Macro Definition Documentation

◆ AddIfFloat

#define AddIfFloat (   Old,
  New,
  sl,
  Type 
)
Value:
if (Old != New) { \
Old = New; \
SockList_AddChar(sl, Type); \
SockList_AddInt(sl, (long)(New*FLOAT_MULTI));\
}

Definition at line 782 of file request.cpp.

◆ AddIfInt

#define AddIfInt (   Old,
  New,
  sl,
  Type 
)
Value:
if (Old != New) { \
Old = New; \
SockList_AddChar(sl, Type); \
SockList_AddInt(sl, New); \
}

Definition at line 768 of file request.cpp.

◆ AddIfInt64

#define AddIfInt64 (   Old,
  New,
  sl,
  Type 
)
Value:
if (Old != New) { \
Old = New; \
SockList_AddChar(sl, Type); \
SockList_AddInt64(sl, New); \
}

Definition at line 761 of file request.cpp.

◆ AddIfShort

#define AddIfShort (   Old,
  New,
  sl,
  Type 
)
Value:
if (Old != New) { \
Old = New; \
SockList_AddChar(sl, Type); \
SockList_AddShort(sl, New); \
}

Definition at line 775 of file request.cpp.

◆ AddIfString

#define AddIfString (   Old,
  New,
  sl,
  Type 
)
Value:
if (Old == NULL || strcmp(Old, New)) { \
free(Old); \
Old = strdup_local(New); \
SockList_AddChar(sl, Type); \
SockList_AddLen8Data(sl, New, strlen(New)); \
}

Definition at line 789 of file request.cpp.

◆ FIF

#define FIF (   F,
  C 
)
Value:
if (QUERY_FLAG(pl->ob, F)) { \
uflags |= C; \
}

◆ MAX_CHOICES

#define MAX_CHOICES   100

Definition at line 2617 of file request.cpp.

◆ MAX_HEAD_POS

#define MAX_HEAD_POS   MAX(MAX_CLIENT_X, MAX_CLIENT_Y)

Definition at line 1084 of file request.cpp.

◆ VALIDCHAR_MSG

#define VALIDCHAR_MSG   "The first character must be alphanumeric and the last cannot be a space. None of these characters are allowed: :;/\\["

Definition at line 71 of file request.cpp.

Typedef Documentation

◆ ssop_t

typedef int ssop_t

Parameter type for setsockopt, different between WIN32 and Linux.

Definition at line 58 of file request.cpp.

Function Documentation

◆ account_add_player_cmd()

void account_add_player_cmd ( char *  buf,
int  len,
socket_struct ns 
)

Handle accountaddplayer from server (add a character to this account). We check to see if character exists, if password is correct, if character is associated with other account.

Parameters
bufsocket data to process
lenlength of socket data.
nssocket of incoming request.

Definition at line 2390 of file request.cpp.

References account_char_free(), account_char_load(), account_char_remove(), account_char_save(), socket_struct::account_chars, account_get_account_for_char(), account_is_logged_in(), account_link(), socket_struct::account_name, account_remove_player(), buf, decode_name_password(), dragon_attune::force, socket_struct::host, llevDebug, LOG(), MAX_BUF, give::name, send_account_players(), Send_With_Handling(), SockList_AddString(), SockList_Init(), SockList_Term(), takeitem::status, and verify_player().

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◆ account_block_create()

static int account_block_create ( const socket_struct ns)
static

Checks if account creation is blocked for this connection.

Parameters
nspointer to socket structure.
Return values
0Account creation is not blocked.
1Account creation is blocked for this connection.

Definition at line 2240 of file request.cpp.

References Settings::account_block_create, Settings::account_trusted_host, socket_struct::host, settings, and strdup_local.

Referenced by account_new_cmd().

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◆ account_login_cmd()

void account_login_cmd ( char *  buf,
int  len,
socket_struct ns 
)

Handles the account login

Parameters
bufremaining socket data - from this we need to extract name & password
lenlength of this buffer
nspointer to socket structure.

Definition at line 2177 of file request.cpp.

References account_exists(), account_login(), socket_struct::account_name, buf, decode_name_password(), socket_struct::host, llevDebug, llevInfo, LOG(), MAX_BUF, give::name, send_account_players(), Send_With_Handling(), SockList_AddString(), SockList_Init(), SockList_Term(), takeitem::status, and strdup_local.

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◆ account_new_cmd()

void account_new_cmd ( char *  buf,
int  len,
socket_struct ns 
)

Handles the account creation This function shares a fair amount of the same logic as account_login_cmd() above.

Parameters
bufremaining socket data - from this we need to extract name & password
lenlength of this buffer
nspointer to socket structure.

Definition at line 2276 of file request.cpp.

References account_block_create(), account_check_string(), account_exists(), socket_struct::account_name, account_new(), accounts_save(), buf, decode_name_password(), socket_struct::host, llevDebug, llevInfo, LOG(), MAX_BUF, Settings::min_name, give::name, send_account_players(), Send_With_Handling(), settings, SockList_AddString(), SockList_Init(), SockList_Term(), takeitem::status, strdup_local, and VALIDCHAR_MSG.

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◆ account_password()

void account_password ( char *  buf,
int  len,
socket_struct ns 
)

Handles the account password change.

Parameters
bufremaining socket data - from this we need to extract old & new password
lenlength of this buffer
nspointer to socket structure.

Definition at line 3044 of file request.cpp.

References account_change_password(), account_check_string(), socket_struct::account_name, buf, decode_name_password(), report::error(), socket_struct::host, llevDebug, LOG(), MAX_BUF, send_account_players(), Send_With_Handling(), SockList_AddString(), SockList_Init(), SockList_Term(), takeitem::status, and VALIDCHAR_MSG.

Referenced by account_login(), and account_new().

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◆ account_play_cmd()

◆ add_char_field()

static void add_char_field ( SockList sl,
int  type,
const char *  data 
)
static

Basic helper function which adds a piece of data for the accountplayers protocol command. Called from send_account_players. If data is empty, we don't add.

Parameters
slsocklist to add data to.
typetype of data (ACL_.. value)
datastring data to add

Definition at line 2016 of file request.cpp.

References navar-midane_time::data, SockList_AddChar(), SockList_AddString(), and is_valid_types_gen::type.

Referenced by send_account_players().

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◆ add_me_cmd()

void add_me_cmd ( char *  buf,
int  len,
socket_struct ns 
)

The client has requested to be added to the game. This is what takes care of it. We tell the client how things worked out. I am not sure if this file is the best place for this function. However, it either has to be here or init_sockets needs to be exported.

Todo:
can ns->status not be Ns_Add?

Definition at line 415 of file request.cpp.

References add_player(), buf, socket_struct::cs_version, find_player_socket(), MSG_TYPE_ADMIN, MSG_TYPE_ADMIN_VERSION, NDI_RED, Ns_Add, print_ext_msg(), socket_struct::sc_version, Send_With_Handling(), settings, SockList_AddString(), SockList_Init(), SockList_Term(), socket_struct::status, and nlohmann::detail::void().

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◆ annotate_ob()

static int annotate_ob ( int  ax,
int  ay,
const object ob,
SockList sl,
socket_struct ns,
int *  has_obj,
int *  alive_layer 
)
static

Definition at line 1358 of file request.cpp.

References check_probe(), archetype::clone, FLAG_ALIVE, FLAG_FRIENDLY, FLAG_UNAGGRESSIVE, map2_add_ob(), MAP_LAYER_FLY2, guildjoin::ob, object_find_by_arch_name(), PLAYER, QUERY_FLAG, and try_find_archetype().

Referenced by draw_client_map2().

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◆ append_spell()

◆ ask_smooth_cmd()

void ask_smooth_cmd ( char *  buf,
int  len,
socket_struct ns 
)

Tells client the picture it has to use to smooth a picture number given as argument.

Definition at line 503 of file request.cpp.

References buf, get_face_by_id(), socket_struct::host, llevDebug, LOG(), and send_smooth().

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◆ check_probe()

static int check_probe ( int  ax,
int  ay,
const object ob,
SockList sl,
socket_struct ns,
int *  has_obj,
int *  alive_layer 
)
static

Check if a hp bar should be added to the map square.

Parameters
axx coordinate.
ayy coordinate.
obobject to check for hp bar.
slwhere to write data.
nsto know if the face was sent or not.
has_objnumber of objects, modified.
alive_layerwill be filled with the layer containing the hp bar if applicable.
Returns
1 if a bar was added, in which case alive_layer is modified, else 0.

Definition at line 1290 of file request.cpp.

References Settings::always_show_hp, CAN_PROBE(), archetype::clone, DISEASE, FLAG_PROBE, FORCE, map2_add_ob(), MAP_LAYER_FLY2, give::name, guildjoin::ob, object_find_by_type_and_name(), object_present_in_ob(), POISONING, probe(), QUERY_FLAG, settings, try_find_archetype(), and autojail::value.

Referenced by annotate_ob().

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◆ check_space_for_heads()

static void check_space_for_heads ( int  ax,
int  ay,
SockList sl,
socket_struct ns 
)
static

Definition at line 1387 of file request.cpp.

References Map::cells, positioning_system::coord, heads, socket_struct::lastmap, SockList::len, map2_add_ob(), MAP2_COORD_ENCODE(), map2_delete_layer(), MAP2_TYPE_CLEAR, map_clearcell(), MAP_LAYERS, SockList_AddChar(), and SockList_AddShort().

Referenced by draw_client_map2().

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◆ clamp()

static int clamp ( int  x,
int  min,
int  max 
)
static

Definition at line 96 of file request.cpp.

References MAX, say::max, MIN, and diamondslots::x.

Referenced by handle_scroll().

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◆ create_player_cmd()

void create_player_cmd ( char *  buf,
int  len,
socket_struct ns 
)

We have received a createplayer command.

Parameters
bufreceived command.
lenlength of buf.
nssocket to communicate with the client.

too long, buffer overflow

Definition at line 2624 of file request.cpp.

References account_check_string(), add_player(), ADD_PLAYER_NEW, ADD_PLAYER_NO_MAP, ADD_PLAYER_NO_STATS_ROLL, apply_race_and_class(), archininventory::arch, arch_to_object(), buf, check_race_and_class(), CLASS, decode_name_password(), draw_ext_info_format(), enter_exit(), first_player, FLAG_AUTO_APPLY, FLAG_REMOVED, FREE_AND_COPY, get_archetype_by_type_subtype(), get_attr_value(), socket_struct::host, castle_read::key, llevDebug, llevError, llevInfo, LOG(), socket_struct::login_method, disinfect::map, MAP, MAP_TYPE_CHOICE, MAP_TYPE_DEFAULT, MAX_BUF, MAX_CHOICES, Settings::min_name, MSG_TYPE_ADMIN, MSG_TYPE_ADMIN_PLAYER, give::name, NDI_ALL, NDI_DK_ORANGE, NDI_UNIQUE, newhash(), Ns_Add, Ns_Avail, NUM_STATS, ob_apply(), object_get_value(), object_insert_in_ob(), object_remove(), give::op, altar_valkyrie::pl, PLAYER, player_set_state(), playername_ok(), QUERY_FLAG, safe_strncpy, Send_With_Handling(), set_attr_value(), settings, short_stat_name, SockList_AddPrintf(), SockList_AddString(), SockList_Init(), SockList_Term(), ST_PLAYING, Settings::starting_stat_max, Settings::starting_stat_min, Settings::starting_stat_points, takeitem::status, socket_struct::status, strcasecmp(), try_find_archetype(), VALIDCHAR_MSG, autojail::value, and verify_player().

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◆ decode_name_password()

static int decode_name_password ( const char *  buf,
int *  len,
char *  name,
char *  password 
)
static

This is a basic routine which extracts the name/password from the buffer. Several of the account login routines provide a length prefixed string for name, and another for password.

Parameters
bufcharacter data to process.
lenlength of this buffer. This will be updated to be the next byte to process in the case that there is additional data in this packet that the caller may need to process.
namepreallocated (MAX_BUF) buffer to return the name (really, first string) in
passwordpreallocated (MAX_BUF) buffer to return the password (second string) in
Returns
0 - success 1 - name is too long 2 - password is too long

Definition at line 2141 of file request.cpp.

References buf, MAX_BUF, and give::name.

Referenced by account_add_player_cmd(), account_login_cmd(), account_new_cmd(), account_password(), and create_player_cmd().

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◆ draw_client_map()

void draw_client_map ( object pl)

Draws client map.

Definition at line 1625 of file request.cpp.

References draw_client_map2(), get_map_flags(), mapstruct::in_memory, llevError, LOG(), m, MAP_IN_MEMORY, P_NEED_UPDATE, P_NEW_MAP, P_OUT_OF_MAP, altar_valkyrie::pl, PLAYER, update_los(), and update_position().

Referenced by send_updates().

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◆ draw_client_map2()

◆ esrv_add_spells()

void esrv_add_spells ( player pl,
object spell 
)

This tells the client to add the spell *spell, if spell is NULL, then add all spells in the player's inventory.

Todo:
casting_requirements should be a constant somewhere

Definition at line 1927 of file request.cpp.

References append_spell(), FOR_INV_FINISH, FOR_INV_PREPARE, llevError, LOG(), object::msg, object::name, object_get_value(), altar_valkyrie::pl, Send_With_Handling(), SockList_AddString(), SockList_Avail(), SockList_Init(), SockList_Reset(), SockList_Term(), SPELL, sstring, object::type, and autojail::value.

Referenced by apply_race_and_class(), check_login(), and do_learn_spell().

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◆ esrv_map_scroll()

◆ esrv_new_player()

void esrv_new_player ( player pl,
uint32_t  weight 
)

Tells the client that here is a player it should start using.

Definition at line 1015 of file request.cpp.

References esrv_send_face(), FLAG_CLIENT_SENT, NS_FACESENT_FACE, altar_valkyrie::pl, Send_With_Handling(), SET_FLAG, SockList_AddInt(), SockList_AddLen8Data(), SockList_AddString(), SockList_Init(), and SockList_Term().

Referenced by apply_race_and_class(), check_login(), command_possess(), key_change_class(), and roll_again().

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◆ esrv_remove_spell()

void esrv_remove_spell ( player pl,
object spell 
)

Definition at line 1790 of file request.cpp.

References object::count, object::env, llevError, LOG(), altar_valkyrie::pl, Send_With_Handling(), SockList_AddInt(), SockList_AddString(), SockList_Init(), and SockList_Term().

Referenced by do_forget_spell().

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◆ esrv_send_animation()

void esrv_send_animation ( socket_struct ns,
const Animations anim 
)

Need to send an animation sequence to the client. We will send appropriate face commands to the client if we haven't sent them the face yet (this can become quite costly in terms of how much we are sending - on the other hand, this should only happen when the player logs in and picks stuff up.

Parameters
nswhere to send the animation.
animanimation to send.

Definition at line 1045 of file request.cpp.

References animate::anim, socket_struct::anims_sent, esrv_send_face(), socket_struct::faces_sent, llevError, LOG(), NS_FACESENT_FACE, Send_With_Handling(), SockList_AddShort(), SockList_AddString(), SockList_Init(), and SockList_Term().

Referenced by add_object_to_socklist(), and map2_add_ob().

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◆ esrv_send_pickup()

void esrv_send_pickup ( player pl)

Sends the "pickup" state to pl if client wants it requested.

Parameters
plplayer that just logged in.

Definition at line 1813 of file request.cpp.

References altar_valkyrie::pl, Send_With_Handling(), SockList_AddInt(), SockList_AddString(), SockList_Init(), and SockList_Term().

Referenced by check_login(), display_new_pickup(), and kill_player_not_permadeath().

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◆ esrv_update_spells()

void esrv_update_spells ( player pl)

This looks for any spells the player may have that have changed their stats. It then sends an updspell packet for each spell that has changed in this way.

Definition at line 1738 of file request.cpp.

References flags, FOR_INV_FINISH, FOR_INV_PREPARE, get_client_spell_state(), client_spell::last_dam, client_spell::last_grace, client_spell::last_sp, altar_valkyrie::pl, Send_With_Handling(), SockList_AddChar(), SockList_AddInt(), SockList_AddShort(), SockList_AddString(), SockList_Init(), SockList_Term(), SP_level_dam_adjust(), SP_level_spellpoint_cost(), SPELL, SPELL_GRACE, SPELL_MANA, UPD_SP_DAMAGE, UPD_SP_GRACE, and UPD_SP_MANA.

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◆ esrv_update_stats()

void esrv_update_stats ( player pl)

Sends a statistics update. We look at the old values, and only send what has changed. Stat mapping values are in newclient.h Since this gets sent a lot, this is actually one of the few binary commands for now.

Definition at line 873 of file request.cpp.

References AddIfFloat, AddIfInt, AddIfInt64, AddIfShort, AddIfString, atnr_cs_stat, ATNR_PHYSICAL, buf, object::count, CS_STAT_AC, CS_STAT_APPLIED_CHA, CS_STAT_APPLIED_CON, CS_STAT_APPLIED_DEX, CS_STAT_APPLIED_INT, CS_STAT_APPLIED_POW, CS_STAT_APPLIED_STR, CS_STAT_APPLIED_WIS, CS_STAT_ARMOUR, CS_STAT_BASE_CHA, CS_STAT_BASE_CON, CS_STAT_BASE_DEX, CS_STAT_BASE_INT, CS_STAT_BASE_POW, CS_STAT_BASE_STR, CS_STAT_BASE_WIS, CS_STAT_CHA, CS_STAT_CON, CS_STAT_DAM, CS_STAT_DEX, CS_STAT_EXP64, CS_STAT_FLAGS, CS_STAT_FOOD, CS_STAT_GOLEM_HP, CS_STAT_GOLEM_MAXHP, CS_STAT_GRACE, CS_STAT_HP, CS_STAT_INT, CS_STAT_LEVEL, CS_STAT_MAXGRACE, CS_STAT_MAXHP, CS_STAT_MAXSP, CS_STAT_POW, CS_STAT_RACE_CHA, CS_STAT_RACE_CON, CS_STAT_RACE_DEX, CS_STAT_RACE_INT, CS_STAT_RACE_POW, CS_STAT_RACE_STR, CS_STAT_RACE_WIS, CS_STAT_RANGE, CS_STAT_SKILLINFO, CS_STAT_SP, CS_STAT_SPEED, CS_STAT_SPELL_ATTUNE, CS_STAT_SPELL_DENY, CS_STAT_SPELL_REPEL, CS_STAT_STR, CS_STAT_TITLE, CS_STAT_WC, CS_STAT_WEAP_SP, CS_STAT_WEIGHT_LIM, CS_STAT_WIS, FLAG_FREED, FLAG_REMOVED, flags, get_skill_client_code(), get_weight_limit(), living::hp, SockList::len, llevDebug, LOG(), MAX_BUF, MAX_SKILLS, living::maxhp, NROFATTACKS, altar_valkyrie::pl, QUERY_FLAG, range_golem, rangetostring(), send_extra_stats(), Send_With_Handling(), set_title(), SF_FIREON, SF_RUNON, SockList_AddChar(), SockList_AddInt64(), SockList_AddString(), SockList_Init(), SockList_Term(), and object::stats.

Referenced by send_updates().

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◆ handle_scroll()

static void handle_scroll ( socket_struct socket,
SockList sl 
)
static

As part of sending the map2 command, send one or more scroll commands to update the client map to match the scroll sent on the server.

Definition at line 104 of file request.cpp.

References clamp(), positioning_system::coord, MAP2_COORD_ENCODE(), MAP2_COORD_MAX, MAP2_COORD_MIN, socket_struct::map_scroll_x, socket_struct::map_scroll_y, and SockList_AddShort().

Referenced by draw_client_map2().

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◆ is_perfect()

static uint8_t is_perfect ( const player pl)
static

Check whether the player is perfect relatively to improvement potions.

Parameters
plwho to check.
Returns
1 if perfect, 0 else.

Definition at line 802 of file request.cpp.

References MIN, and altar_valkyrie::pl.

Referenced by send_extra_stats().

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◆ map2_add_ob()

static int map2_add_ob ( int  ax,
int  ay,
int  layer,
const object ob,
SockList sl,
socket_struct ns,
int *  has_obj,
int  is_head 
)
static

object 'ob' at 'ax,ay' on 'layer' is visible to the client. This function does the following things: If is_head head is set, this means this is from the heads[] array, so don't try to store it away again - just send it and update our look faces.

1) If a multipart object and we are not at the lower right corner, store this info away for later use. 2) Check to see if this face has been sent to the client. If not, we add data to the socklist, update the last map, and send any other data the client will need (smoothing table, image data, etc) 3) Return 1 if function increased socket. 4) has_obj is increased by one if there are visible objects on this this space, whether or not we sent them. Basically, if has_obj is 0, we can clear info about this space. It could be set to 1 with the function returning zero - this means there are objects on the space we have already sent to the client.

Definition at line 1120 of file request.cpp.

References ANIM_RANDOM, ANIM_SYNC, socket_struct::anims_sent, object::arch, Map::cells, esrv_send_animation(), esrv_send_face(), FABS, map_cell_struct::faces, socket_struct::faces_sent, FLAG_CLIENT_ANIM_RANDOM, FLAG_CLIENT_ANIM_SYNC, HEAD, heads, make_face_from_files::int, banquet::l, socket_struct::lastmap, llevError, LOG(), MAP2_LAYER_START, MAP_LAYERS, MAP_NOSMOOTH, NS_FACESENT_FACE, NS_FACESENT_SMOOTH, NUM_ANIMATIONS, Face::number, guildjoin::ob, QUERY_FLAG, send_smooth(), SockList_AddChar(), SockList_AddShort(), archetype::tail_x, and archetype::tail_y.

Referenced by annotate_ob(), check_probe(), check_space_for_heads(), and draw_client_map2().

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◆ MAP2_COORD_ENCODE()

static uint16_t MAP2_COORD_ENCODE ( int  x,
int  y,
int  flags 
)
static

Encodes a (x, y) pair suitable for map2 parameters. The coordinates must be between [-MAP2_COORD_OFFSET..63-MAP2_COORD_OFFSET]. The flags value must be between [0..15].

Parameters
xthe x-coordinate
ythe y-coordinate
flagsthe flags value

Definition at line 89 of file request.cpp.

References flags, MAP2_COORD_OFFSET, map2_coord_valid(), diamondslots::x, and diamondslots::y.

Referenced by check_space_for_heads(), draw_client_map2(), and handle_scroll().

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◆ map2_coord_valid()

static bool map2_coord_valid ( int  x)
static

Definition at line 76 of file request.cpp.

References MAP2_COORD_MAX, MAP2_COORD_MIN, and diamondslots::x.

Referenced by MAP2_COORD_ENCODE().

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◆ map2_delete_layer()

static int map2_delete_layer ( int  ax,
int  ay,
int  layer,
SockList sl,
socket_struct ns 
)
static

Definition at line 1265 of file request.cpp.

References Map::cells, map_cell_struct::faces, socket_struct::lastmap, SockList_AddChar(), and SockList_AddShort().

Referenced by check_space_for_heads(), and draw_client_map2().

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◆ map_clearcell()

static void map_clearcell ( struct map_cell_struct cell,
int  face,
int  darkness 
)
static

Clears a map cell

Definition at line 1079 of file request.cpp.

References map_cell_struct::darkness, and map_cell_struct::faces.

Referenced by check_space_for_heads(), and draw_client_map2().

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◆ map_newmap_cmd()

void map_newmap_cmd ( socket_struct ns)

Sound related function.

Todo:
remove once clients don't try to use this - server closes connection on invalid client.

Newmap command

Definition at line 693 of file request.cpp.

References socket_struct::lastmap, socket_struct::map_scroll_x, socket_struct::map_scroll_y, Send_With_Handling(), SockList_AddString(), SockList_Init(), and SockList_Term().

Referenced by dimension_door(), do_follow(), enter_map(), object_teleport(), set_up_cmd(), teleport(), and transfer_ob().

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◆ move_cmd()

void move_cmd ( char *  buf,
int  len,
player pl 
)

Moves an object (typically, container to inventory). syntax is: move (to) (tag) (nrof)

Definition at line 714 of file request.cpp.

References buf, esrv_move_object(), llevDebug, llevError, LOG(), and altar_valkyrie::pl.

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◆ new_player_cmd()

void new_player_cmd ( uint8_t *  buf,
int  len,
player pl 
)

This handles the commands issued by the player (ie, north, fire, cast, etc.). This is called with the 'ncom' method which gives more information back to the client so it can throttle.

Parameters
bufdata received.
lenlength of buf.
plplayer who issued the command. Mustn't be NULL.

Definition at line 527 of file request.cpp.

References buf, devourers::command, command_execute(), draw_ext_info_format(), FABS, GetInt_String(), GetShort_String(), make_face_from_files::int, llevDebug, llevError, LOG(), MAX_BUF, MAX_TIME, MSG_TYPE_COMMAND, MSG_TYPE_COMMAND_ERROR, NDI_UNIQUE, altar_valkyrie::pl, Send_With_Handling(), SockList_AddInt(), SockList_AddShort(), SockList_AddString(), SockList_Init(), SockList_Term(), ST_PLAYING, and Ice::tmp.

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◆ reply_cmd()

◆ send_account_players()

void send_account_players ( socket_struct ns)

Upon successful login/account creation, we send a list of characters associated with the account to the client - in this way, it lets the client present a nice list so that the player can choose one. Note it is important that ns->account_name is set before calling this. Note 2: Some of the operations here are not especially efficient - O(n^2) or repeating same loop instead of trying to combine them. This is not a worry as MAX_CHARACTERS_PER_ACCOUNT is a fairly low value (less than 20), so even inefficient operations don't take much time. If that value as a lot larger, then some rethink may be needed. For now, having clearer code is better than trying to save a few microseconds of execution time.

Parameters
nssocket structure to send data for.

Definition at line 2050 of file request.cpp.

References account_char_free(), account_char_load(), socket_struct::account_chars, account_get_additional_chars(), socket_struct::account_name, ACL_CLASS, ACL_FACE, ACL_FACE_NUM, ACL_LEVEL, ACL_MAP, ACL_NAME, ACL_PARTY, ACL_RACE, add_char_field(), Account_Chars::chars, esrv_send_face(), socket_struct::faces_sent, free_charlinks(), linked_char::next, NS_FACESENT_FACE, Face::number, Send_With_Handling(), SockList_AddChar(), SockList_AddShort(), SockList_AddString(), SockList_Init(), SockList_Term(), and try_find_face().

Referenced by account_add_player_cmd(), account_login_cmd(), account_new_cmd(), account_password(), key_confirm_quit(), kill_player_permadeath(), and receive_play_again().

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◆ send_extra_stats()

static void send_extra_stats ( SockList sl,
player pl 
)
static

Send extra stats for the player, if 'notification' is 3.

Parameters
slbuffer to use to send stats.
plplayer to send stats of.

Definition at line 817 of file request.cpp.

References AddIfFloat, AddIfInt, AddIfShort, AddIfString, CF_BLIND, CF_CONFUSED, CF_DISEASED, CF_HOSTILE, CF_NOT_PERFECT, CF_PARALYZED, CF_POISONED, CF_STEALTHY, CF_WIZARD, CF_XRAY, CS_STAT_CHARACTER_FLAGS, CS_STAT_GOD_NAME, CS_STAT_ITEM_POWER, CS_STAT_OVERLOAD, DISEASE, FIF, FLAG_CONFUSED, FLAG_PARALYZED, FLAG_STARTEQUIP, FLAG_STEALTH, FLAG_WIZ, FLAG_XRAYS, FOR_INV_FINISH, FOR_INV_PREPARE, FORCE, is_perfect(), altar_valkyrie::pl, QUERY_FLAG, SK_PRAYING, and SKILL.

Referenced by esrv_update_stats().

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◆ send_plugin_custom_message()

void send_plugin_custom_message ( object pl,
char *  buf 
)

GROS: The following one is used to allow a plugin to send a generic cmd to a player. Of course, the client need to know the command to be able to manage it !

Definition at line 1724 of file request.cpp.

References buf, altar_valkyrie::pl, Send_With_Handling(), SockList_AddString(), SockList_Init(), and SockList_Term().

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◆ send_query()

void send_query ( socket_struct ns,
uint8_t  flags,
const char *  text 
)

Asks the client to query the user. This way, the client knows it needs to send something back (vs just printing out a message)

Definition at line 752 of file request.cpp.

References flags, Send_With_Handling(), SockList_AddPrintf(), SockList_Init(), SockList_Term(), and guild_entry::text.

Referenced by command_delete(), command_passwd(), confirm_password(), get_name(), get_party_password(), get_password(), key_change_class(), key_roll_stat(), play_again(), receive_player_password(), and roll_again().

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◆ send_smooth()

static void send_smooth ( socket_struct ns,
const Face face 
)
static

A lot like the old AskSmooth (in fact, now called by AskSmooth). Basically, it makes no sense to wait for the client to request a a piece of data from us that we know the client wants. So if we know the client wants it, might as well push it to the client.

Parameters
nswhere to send smooth information.
faceface to send smooth face of.

Definition at line 459 of file request.cpp.

References esrv_send_face(), socket_struct::faces_sent, find_smooth(), llevError, llevInfo, LOG(), Face::name, NS_FACESENT_FACE, NS_FACESENT_SMOOTH, Face::number, Send_With_Handling(), smooth_face, SockList_AddShort(), SockList_AddString(), SockList_Init(), and SockList_Term().

Referenced by ask_smooth_cmd(), and map2_add_ob().

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◆ send_tick()

void send_tick ( player pl)

Definition at line 1986 of file request.cpp.

References llevError, LOG(), altar_valkyrie::pl, pticks, Send_With_Handling(), SockList_AddInt(), SockList_AddString(), SockList_Init(), SockList_Term(), and Ice::tmp.

Referenced by update_players().

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◆ set_up_cmd()

◆ spell_client_use()

static int spell_client_use ( const object spell)
static

Give the client-side use information for a spell, to know how to use a spell.

Parameters
spellwhat to check.
Return values
0spell needs no argument.
1spell needs the name of another spell.
2spell can use a freeform string argument.
3spell requires a freeform string argument.

Definition at line 1833 of file request.cpp.

References object::other_arch, object::randomitems, SP_CREATE_FOOD, SP_CREATE_MISSILE, SP_MAKE_MARK, SP_RAISE_DEAD, SP_RUNE, SP_SUMMON_MONSTER, and object::subtype.

Referenced by append_spell().

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◆ version_cmd()

void version_cmd ( char *  buf,
int  len,
socket_struct ns 
)

Client tells its version. If there is a mismatch, we close the socket. In real life, all we should care about is the client having something older than the server. If we assume the client will be backwards compatible, having it be a later version should not be a problem.

Definition at line 657 of file request.cpp.

References buf, socket_struct::cs_version, socket_struct::host, llevDebug, llevError, llevInfo, LOG(), ring_occidental_mages::rest, socket_struct::sc_version, VERSION_CS, VERSION_SC, and nlohmann::detail::void().

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Variable Documentation

◆ atnr_cs_stat

const short atnr_cs_stat[NROFATTACKS]
static
Initial value:

This table translates the attack numbers as used within the program to the value we use when sending STATS command to the client. If a value is -1, then we don't send that to the client.

Definition at line 123 of file request.cpp.

Referenced by esrv_update_stats().

◆ heads

const object* heads[MAX_HEAD_POS][MAX_HEAD_POS][MAP_LAYERS]
static

Using a global really isn't a good approach, but saves the over head of allocating and deallocating such a block of data each time run through, and saves the space of allocating this in the socket object when we only need it for this cycle. If the serve is ever threaded, this needs to be re-examined.

Definition at line 1093 of file request.cpp.

Referenced by check_space_for_heads(), draw_client_map2(), and map2_add_ob().

◆ MAP2_COORD_MAX

const int MAP2_COORD_MAX = 63 - MAP2_COORD_OFFSET
static

Definition at line 74 of file request.cpp.

Referenced by handle_scroll(), and map2_coord_valid().

◆ MAP2_COORD_MIN

const int MAP2_COORD_MIN = -MAP2_COORD_OFFSET
static

Definition at line 73 of file request.cpp.

Referenced by handle_scroll(), and map2_coord_valid().

CS_STAT_RES_DEPLETE
#define CS_STAT_RES_DEPLETE
Definition: newclient.h:151
CS_STAT_RES_FEAR
#define CS_STAT_RES_FEAR
Definition: newclient.h:150
strdup_local
#define strdup_local
Definition: compat.h:29
CS_STAT_RES_FIRE
#define CS_STAT_RES_FIRE
Definition: newclient.h:139
QUERY_FLAG
#define QUERY_FLAG(xyz, p)
Definition: define.h:226
CS_STAT_RES_MAG
#define CS_STAT_RES_MAG
Definition: newclient.h:138
CS_STAT_RES_HOLYWORD
#define CS_STAT_RES_HOLYWORD
Definition: newclient.h:153
CS_STAT_RES_CONF
#define CS_STAT_RES_CONF
Definition: newclient.h:142
CS_STAT_TURN_UNDEAD
#define CS_STAT_TURN_UNDEAD
Definition: newclient.h:149
CS_STAT_RES_SLOW
#define CS_STAT_RES_SLOW
Definition: newclient.h:147
CS_STAT_RES_PHYS
#define CS_STAT_RES_PHYS
Definition: newclient.h:137
CS_STAT_RES_GHOSTHIT
#define CS_STAT_RES_GHOSTHIT
Definition: newclient.h:145
CS_STAT_RES_BLIND
#define CS_STAT_RES_BLIND
Definition: newclient.h:154
CS_STAT_RES_POISON
#define CS_STAT_RES_POISON
Definition: newclient.h:146
CS_STAT_RES_COLD
#define CS_STAT_RES_COLD
Definition: newclient.h:141
CS_STAT_RES_DEATH
#define CS_STAT_RES_DEATH
Definition: newclient.h:152
C
#define C(w, e)
CS_STAT_RES_DRAIN
#define CS_STAT_RES_DRAIN
Definition: newclient.h:144
altar_valkyrie.pl
pl
Definition: altar_valkyrie.py:28
FLOAT_MULTI
#define FLOAT_MULTI
Definition: newclient.h:68
CS_STAT_RES_PARA
#define CS_STAT_RES_PARA
Definition: newclient.h:148
CS_STAT_RES_ACID
#define CS_STAT_RES_ACID
Definition: newclient.h:143
CS_STAT_RES_ELEC
#define CS_STAT_RES_ELEC
Definition: newclient.h:140