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cl_skygroups.c
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cl_skygroups.c
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/*
Copyright (C) 2002-2003 A Nourai
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 included (GNU.txt) 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "quakedef.h"
#include "utils.h"
#define FIRSTUSERSKYGROUP (last_system_skygroup ? last_system_skygroup->next : skygroups)
#define MAX_SKYGROUP_MEMBERS 36
typedef struct skygroup_s {
char groupname[MAX_QPATH];
char members[MAX_SKYGROUP_MEMBERS][MAX_QPATH];
struct skygroup_s *next, *prev;
qbool system;
int nummembers;
} skygroup_t;
static skygroup_t *skygroups = NULL;
static skygroup_t *last_system_skygroup = NULL;
static qbool skygroups_init = false;
static skygroup_t *GetSkyGroupWithName(char *groupname)
{
skygroup_t *node;
for (node = skygroups; node; node = node->next) {
if (!strcasecmp(node->groupname, groupname))
return node;
}
return NULL;
}
static skygroup_t *GetSkyGroupWithMember(char *member)
{
int j;
skygroup_t *node;
for (node = skygroups; node; node = node->next) {
for (j = 0; j < node->nummembers; j++) {
if (!strcasecmp(node->members[j], member))
return node;
}
}
return NULL;
}
static void DeleteSkyGroup(skygroup_t *group)
{
if (!group)
return;
if (group->prev)
group->prev->next = group->next;
if (group->next)
group->next->prev = group->prev;
if (group == skygroups) {
skygroups = skygroups->next;
if (group == last_system_skygroup)
last_system_skygroup = NULL;
}
else if (group == last_system_skygroup) {
last_system_skygroup = last_system_skygroup->prev;
}
Q_free(group);
}
static void ResetSkyGroupMembers(skygroup_t *group)
{
int i;
if (!group)
return;
for (i = 0; i < group->nummembers; i++)
group->members[i][0] = 0;
group->nummembers = 0;
}
static void DeleteSkyGroupMember(skygroup_t *group, char *member)
{
int i;
if (!group)
return;
for (i = 0; i < group->nummembers; i++) {
if (!strcasecmp(member, group->members[i]))
break;
}
if (i == group->nummembers)
return;
if (i < group->nummembers - 1)
memmove(group->members[i], group->members[i + 1], (group->nummembers - 1 - i) * sizeof(group->members[0]));
group->nummembers--;
}
static void AddSkyGroupMember(skygroup_t *group, char *member)
{
int i;
if (!group || group->nummembers == MAX_SKYGROUP_MEMBERS)
return;
for (i = 0; i < group->nummembers; i++) {
if (!strcasecmp(member, group->members[i]))
return;
}
strlcpy(group->members[group->nummembers], member, sizeof(group->members[group->nummembers]));
group->nummembers++;
}
void MT_SkyGroup_f(void)
{
int i, c, j;
qbool removeflag = false;
skygroup_t *node, *group, *tempnode;
extern cvar_t r_skyname;
char *groupname, *member;
extern int R_SetSky(char *skyname);
if ((c = Cmd_Argc()) == 1) {
if (!FIRSTUSERSKYGROUP) {
Com_Printf("No sky groups defined\n");
}
else {
for (node = FIRSTUSERSKYGROUP; node; node = node->next) {
Com_Printf("\x02%s: ", node->groupname);
for (j = 0; j < node->nummembers; j++)
Com_Printf("%s ", node->members[j]);
Com_Printf("\n");
}
}
return;
}
groupname = Cmd_Argv(1);
if (c == 2 && !strcasecmp(groupname, "clear")) {
for (node = FIRSTUSERSKYGROUP; node; node = tempnode) {
tempnode = node->next;
DeleteSkyGroup(node);
}
return;
}
if (Util_Is_Valid_Filename(groupname) == false) {
Com_Printf("Error: %s is not a valid sky group name\n", groupname);
return;
}
group = GetSkyGroupWithName(groupname);
if (c == 2) {
if (!group) {
Com_Printf("No sky group named \"%s\"\n", groupname);
}
else {
Com_Printf("\x02%s: ", groupname);
for (j = 0; j < group->nummembers; j++)
Com_Printf("%s ", group->members[j]);
Com_Printf("\n");
}
return;
}
if (group && group->system) {
Com_Printf("Cannot modify system group \"%s\"\n", groupname);
return;
}
if (c == 3 && !strcasecmp(Cmd_Argv(2), "clear")) {
if (!group && !strcmp("exmx", groupname))
Com_Printf("\"%s\" is not a sky group name\n", groupname);
else
DeleteSkyGroup(group);
return;
}
if (!group) {
group = (skygroup_t *)Q_calloc(1, sizeof(skygroup_t));
strlcpy(group->groupname, groupname, sizeof(group->groupname));
group->system = !skygroups_init;
if (skygroups) {
for (tempnode = skygroups; tempnode->next; tempnode = tempnode->next)
;
tempnode->next = group;
group->prev = tempnode;
}
else {
skygroups = group;
}
}
else {
member = Cmd_Argv(2);
if (member[0] != '+' && member[0] != '-')
ResetSkyGroupMembers(group);
}
for (i = 2; i < c; i++) {
member = Cmd_Argv(i);
if (member[0] == '+') {
removeflag = false;
member++;
}
else if (member[0] == '-') {
removeflag = true;
member++;
}
if (!removeflag && (tempnode = GetSkyGroupWithMember(member)) && tempnode != group) {
if (cl_warncmd.integer || developer.integer)
Com_Printf("Warning: \"%s\" is already a member of group \"%s\"...ignoring\n", member, tempnode->groupname);
continue;
}
if (removeflag)
DeleteSkyGroupMember(group, member);
else
AddSkyGroupMember(group, member);
}
if (!group->nummembers) {
DeleteSkyGroup(group);
}
R_SetSky(r_skyname.string);
}
void MT_AddSkyGroups(void)
{
char clear[256] = { 0 };
strlcat(clear, "skygroup exmy clear", sizeof(clear));
Cmd_TokenizeString(clear);
MT_SkyGroup_f();
skygroups_init = true;
}
char *MT_GetSkyGroupName(char *mapname, qbool *system)
{
skygroup_t *group;
group = GetSkyGroupWithMember(mapname);
if (group && strcmp(mapname, group->groupname)) {
if (system)
*system = group->system;
return group->groupname;
}
else {
return NULL;
}
}
void DumpSkyGroups(FILE *f)
{
skygroup_t *node;
int j;
if (!FIRSTUSERSKYGROUP) {
fprintf(f, "skygroup clear\n");
return;
}
for (node = FIRSTUSERSKYGROUP; node; node = node->next) {
fprintf(f, "skygroup %s ", node->groupname);
for (j = 0; j < node->nummembers; j++)
fprintf(f, "%s ", node->members[j]);
fprintf(f, "\n");
}
}