ref: fe87c990e0e84be637a8a743f2dd9d48ae6f5895
dir: /ctf/p_menu.c/
/*
Copyright (C) 1997-2001 Id Software, Inc.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "g_local.h"
// Note that the pmenu entries are duplicated
// this is so that a static set of pmenu entries can be used
// for multiple clients and changed without interference
// note that arg will be freed when the menu is closed, it must be allocated memory
pmenuhnd_t *PMenu_Open(edict_t *ent, pmenu_t *entries, int cur, int num, void *arg)
{
pmenuhnd_t *hnd;
pmenu_t *p;
int i;
if (!ent->client)
return NULL;
if (ent->client->menu) {
gi.dprintf("warning, ent already has a menu\n");
PMenu_Close(ent);
}
hnd = malloc(sizeof(*hnd));
hnd->arg = arg;
hnd->entries = malloc(sizeof(pmenu_t) * num);
memcpy(hnd->entries, entries, sizeof(pmenu_t) * num);
// duplicate the strings since they may be from static memory
for (i = 0; i < num; i++)
if (entries[i].text)
hnd->entries[i].text = strdup(entries[i].text);
hnd->num = num;
if (cur < 0 || !entries[cur].SelectFunc) {
for (i = 0, p = entries; i < num; i++, p++)
if (p->SelectFunc)
break;
} else
i = cur;
if (i >= num)
hnd->cur = -1;
else
hnd->cur = i;
ent->client->showscores = true;
ent->client->inmenu = true;
ent->client->menu = hnd;
PMenu_Do_Update(ent);
gi.unicast (ent, true);
return hnd;
}
void PMenu_Close(edict_t *ent)
{
int i;
pmenuhnd_t *hnd;
if (!ent->client->menu)
return;
hnd = ent->client->menu;
for (i = 0; i < hnd->num; i++)
if (hnd->entries[i].text)
free(hnd->entries[i].text);
free(hnd->entries);
if (hnd->arg)
free(hnd->arg);
free(hnd);
ent->client->menu = NULL;
ent->client->showscores = false;
}
// only use on pmenu's that have been called with PMenu_Open
void PMenu_UpdateEntry(pmenu_t *entry, const char *text, int align, SelectFunc_t SelectFunc)
{
if (entry->text)
free(entry->text);
entry->text = strdup(text);
entry->align = align;
entry->SelectFunc = SelectFunc;
}
void PMenu_Do_Update(edict_t *ent)
{
char string[1400];
int i;
pmenu_t *p;
int x;
pmenuhnd_t *hnd;
char *t;
qboolean alt = false;
if (!ent->client->menu) {
gi.dprintf("warning: ent has no menu\n");
return;
}
hnd = ent->client->menu;
strcpy(string, "xv 32 yv 8 picn inventory ");
for (i = 0, p = hnd->entries; i < hnd->num; i++, p++) {
if (!p->text || !*(p->text))
continue; // blank line
t = p->text;
if (*t == '*') {
alt = true;
t++;
}
sprintf(string + strlen(string), "yv %d ", 32 + i * 8);
if (p->align == PMENU_ALIGN_CENTER)
x = 196/2 - strlen(t)*4 + 64;
else if (p->align == PMENU_ALIGN_RIGHT)
x = 64 + (196 - strlen(t)*8);
else
x = 64;
sprintf(string + strlen(string), "xv %d ",
x - ((hnd->cur == i) ? 8 : 0));
if (hnd->cur == i)
sprintf(string + strlen(string), "string2 \"\x0d%s\" ", t);
else if (alt)
sprintf(string + strlen(string), "string2 \"%s\" ", t);
else
sprintf(string + strlen(string), "string \"%s\" ", t);
alt = false;
}
gi.WriteByte (svc_layout);
gi.WriteString (string);
}
void PMenu_Update(edict_t *ent)
{
if (!ent->client->menu) {
gi.dprintf("warning: ent has no menu\n");
return;
}
if (level.time - ent->client->menutime >= 1.0) {
// been a second or more since last update, update now
PMenu_Do_Update(ent);
gi.unicast (ent, true);
ent->client->menutime = level.time;
ent->client->menudirty = false;
}
ent->client->menutime = level.time + 0.2;
ent->client->menudirty = true;
}
void PMenu_Next(edict_t *ent)
{
pmenuhnd_t *hnd;
int i;
pmenu_t *p;
if (!ent->client->menu) {
gi.dprintf("warning: ent has no menu\n");
return;
}
hnd = ent->client->menu;
if (hnd->cur < 0)
return; // no selectable entries
i = hnd->cur;
p = hnd->entries + hnd->cur;
do {
i++, p++;
if (i == hnd->num)
i = 0, p = hnd->entries;
if (p->SelectFunc)
break;
} while (i != hnd->cur);
hnd->cur = i;
PMenu_Update(ent);
}
void PMenu_Prev(edict_t *ent)
{
pmenuhnd_t *hnd;
int i;
pmenu_t *p;
if (!ent->client->menu) {
gi.dprintf("warning: ent has no menu\n");
return;
}
hnd = ent->client->menu;
if (hnd->cur < 0)
return; // no selectable entries
i = hnd->cur;
p = hnd->entries + hnd->cur;
do {
if (i == 0) {
i = hnd->num - 1;
p = hnd->entries + i;
} else
i--, p--;
if (p->SelectFunc)
break;
} while (i != hnd->cur);
hnd->cur = i;
PMenu_Update(ent);
}
void PMenu_Select(edict_t *ent)
{
pmenuhnd_t *hnd;
pmenu_t *p;
if (!ent->client->menu) {
gi.dprintf("warning: ent has no menu\n");
return;
}
hnd = ent->client->menu;
if (hnd->cur < 0)
return; // no selectable entries
p = hnd->entries + hnd->cur;
if (p->SelectFunc)
p->SelectFunc(ent, hnd);
}