fteqw/engine/client/m_download.c

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C
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#include "quakedef.h"
#ifndef MINIMAL
#define ROOTDOWNLOADABLESSOURCE "http://fteqw.sourceforge.net/downloadables.txt"
#define INSTALLEDFILES "installed.lst" //the file that resides in the quakedir (saying what's installed).
#define DPF_HAVEAVERSION 1 //any old version
#define DPF_WANTTOINSTALL 2 //user selected it
#define DPF_DISPLAYVERSION 4 //some sort of conflict, the package is listed twice, so show versions so the user knows what's old.
#define DPF_DELETEONUNINSTALL 8 //for previously installed packages, remove them from the list
#define DPF_DOWNLOADING 16
int dlcount=1;
extern char *com_basedir;
//note: these are allocated for the life of the exe
char *downloadablelist[256] = {
ROOTDOWNLOADABLESSOURCE
};
char *downloadablelistnameprefix[256] = {
""
};
int numdownloadablelists = 1;
typedef struct package_s {
char fullname[256];
char *name;
char src[256];
char dest[64];
char gamedir[16];
unsigned int version; //integral.
int dlnum;
int flags;
struct package_s *next;
} package_t;
typedef struct {
menucustom_t *list;
char intermediatefilename[MAX_QPATH];
int parsedsourcenum;
int firstpackagenum;
int highlightednum;
} dlmenu_t;
package_t *availablepackages;
int numpackages;
static package_t *BuildPackageList(FILE *f, int flags, char *prefix)
{
char line[1024];
package_t *p;
package_t *first = NULL;
char *sl;
int version;
do
{
fgets(line, sizeof(line)-1, f);
while((sl=strchr(line, '\n')))
*sl = '\0';
while((sl=strchr(line, '\r')))
*sl = '\0';
Cmd_TokenizeString (line, false, false);
} while (!feof(f) && !Cmd_Argc());
if (strcmp(Cmd_Argv(0), "version"))
return NULL; //it's not the right format.
version = atoi(Cmd_Argv(1));
if (version != 0 && version != 1)
{
Con_Printf("Packagelist is of a future or incompatable version\n");
return NULL; //it's not the right version.
}
while(!feof(f))
{
if (!fgets(line, sizeof(line)-1, f))
break;
while((sl=strchr(line, '\n')))
*sl = '\0';
while((sl=strchr(line, '\r')))
*sl = '\0';
Cmd_TokenizeString (line, false, false);
if (Cmd_Argc())
{
if (!strcmp(Cmd_Argv(0), "sublist"))
{
int i;
sl = Cmd_Argv(1);
for (i = 0; i < sizeof(downloadablelist)/sizeof(downloadablelist[0])-1; i++)
{
if (!downloadablelist[i])
break;
if (!strcmp(downloadablelist[i], sl))
break;
}
if (!downloadablelist[i])
{
downloadablelist[i] = BZ_Malloc(strlen(sl)+1);
strcpy(downloadablelist[i], sl);
if (*prefix)
sl = va("%s/%s", prefix, Cmd_Argv(2));
else
sl = Cmd_Argv(2);
downloadablelistnameprefix[i] = BZ_Malloc(strlen(sl)+1);
strcpy(downloadablelistnameprefix[i], sl);
i++;
}
continue;
}
if (Cmd_Argc() > 5 || Cmd_Argc() < 3)
{
Con_Printf("Package list is bad - %s\n", line);
continue; //but try the next line away
}
p = BZ_Malloc(sizeof(*p));
if (*prefix)
Q_strncpyz(p->fullname, va("%s/%s", prefix, Cmd_Argv(0)), sizeof(p->fullname));
else
Q_strncpyz(p->fullname, Cmd_Argv(0), sizeof(p->fullname));
p->name = p->fullname;
while((sl = strchr(p->name, '/')))
p->name = sl+1;
Q_strncpyz(p->src, Cmd_Argv(1), sizeof(p->src));
Q_strncpyz(p->dest, Cmd_Argv(2), sizeof(p->dest));
p->version = atoi(Cmd_Argv(3));
Q_strncpyz(p->gamedir, Cmd_Argv(4), sizeof(p->gamedir));
if (!*p->gamedir)
strcpy(p->gamedir, "id1");
p->flags = flags;
p->next = first;
first = p;
}
}
return first;
}
static void WriteInstalledPackages(void)
{
package_t *p;
char *fname = va("%s/%s", com_basedir, INSTALLEDFILES);
FILE *f = fopen(fname, "wb");
if (!f)
{
Con_Printf("menu_download: Can't update installed list\n");
return;
}
fprintf(f, "version 1\n");
for (p = availablepackages; p ; p=p->next)
{
if (p->flags & DPF_HAVEAVERSION)
fprintf(f, "\"%s\" \"%s\" \"%s\" %i \"%s\"\n", p->fullname, p->src, p->dest, p->version, p->gamedir);
}
fclose(f);
}
static qboolean ComparePackages(package_t **l, package_t *p)
{
int v = strcmp((*l)->fullname, p->fullname);
if (v < 0)
{
p->next = (*l);
(*l) = p;
return true;
}
else if (v == 0)
{
if (p->version == (*l)->version)
if (!strcmp((*l)->dest, p->dest))
{ /*package matches, free, don't add*/
strcpy((*l)->src, p->src); //use the source of the new package (existing packages are read FIRST)
(*l)->flags |= p->flags;
(*l)->flags &= ~DPF_DELETEONUNINSTALL;
BZ_Free(p);
return true;
}
p->flags |= DPF_DISPLAYVERSION;
(*l)->flags |= DPF_DISPLAYVERSION;
}
return false;
}
static void InsertPackage(package_t **l, package_t *p)
{
package_t *lp;
if (!*l) //there IS no list.
{
*l = p;
p->next = NULL;
return;
}
if (ComparePackages(l, p))
return;
for (lp = *l; lp->next; lp=lp->next)
{
if (ComparePackages(&lp->next, p))
return;
}
lp->next = p;
p->next = NULL;
}
static void ConcatPackageLists(package_t *l2)
{
package_t *n;
while(l2)
{
n = l2->next;
InsertPackage(&availablepackages, l2);
l2 = n;
numpackages++;
}
}
static void dlnotification(char *localfile, qboolean sucess)
{
int i;
FILE *f;
COM_RefreshFSCache_f();
COM_FOpenFile(localfile, &f);
if (f)
{
i = atoi(localfile+7);
ConcatPackageLists(BuildPackageList(f, 0, downloadablelistnameprefix[i]));
fclose(f);
}
}
static void M_Download_Draw (int x, int y, struct menucustom_s *c, struct menu_s *m)
{
int pn;
int lastpathlen = 0;
char *lastpath="";
package_t *p;
dlmenu_t *info = m->data;
if (!cls.downloadmethod && (info->parsedsourcenum==-1 || downloadablelist[info->parsedsourcenum]))
{ //done downloading
char basename[64];
info->parsedsourcenum++;
if (downloadablelist[info->parsedsourcenum])
{
sprintf(basename, "dlinfo_%i.inf", info->parsedsourcenum);
if (!HTTP_CL_Get(downloadablelist[info->parsedsourcenum], basename, dlnotification))
Con_Printf("Could not contact server\n");
}
}
if (!availablepackages)
{
Draw_String(x+8, y+8, "Could not obtain a package list");
return;
}
y+=8;
Draw_Alt_String(x+4, y, "I H");
(info->highlightednum==0?Draw_Alt_String:Draw_String)(x+40, y, "Apply changes");
y+=8;
for (pn = 1, p = availablepackages; p && pn < info->firstpackagenum ; p=p->next, pn++)
;
for (; p; p = p->next, y+=8, pn++)
{
if (lastpathlen != p->name - p->fullname || strncmp(p->fullname, lastpath, lastpathlen))
{
lastpathlen = p->name - p->fullname;
lastpath = p->fullname;
if (!lastpathlen)
Draw_FunStringLen(x+40, y, "/", 1);
else
Draw_FunStringLen(x+40, y, p->fullname, lastpathlen);
y+=8;
}
Draw_Character (x, y, 128);
Draw_Character (x+8, y, 130);
Draw_Character (x+16, y, 128);
Draw_Character (x+24, y, 130);
//if you want it
if (p->flags&DPF_WANTTOINSTALL)
Draw_Character (x+4, y, 131);
else
Draw_Character (x+4, y, 129);
//if you have it already
if (p->flags&(DPF_HAVEAVERSION | ((((int)(realtime*4))&1)?DPF_DOWNLOADING:0) ))
Draw_Character (x+20, y, 131);
else
Draw_Character (x+20, y, 129);
if (pn == info->highlightednum)
Draw_Alt_String(x+48, y, p->name);
else
Draw_String(x+48, y, p->name);
if (p->flags & DPF_DISPLAYVERSION)
{
Draw_String(x+48+strlen(p->name)*8, y, va(" (%i.%i)", p->version/1000, p->version%1000));
}
}
}
static void Menu_Download_Got(char *fname, qboolean successful)
{
package_t *p;
int dlnum = atoi(fname+3);
for (p = availablepackages; p ; p=p->next)
{
if (p->dlnum == dlnum)
{
char *destname;
char *diskname = va("%s/%s", com_gamedir, fname);
if (!successful)
{
p->flags &= ~DPF_DOWNLOADING;
Con_Printf("Couldn't download %s (from %s to %s)\n", p->name, p->src, p->dest);
return;
}
if (*p->gamedir)
destname = va("%s/%s/%s", com_basedir, p->gamedir, p->dest);
else
destname = va("%s/%s", com_gamedir, p->dest);
if (!(p->flags & DPF_DOWNLOADING))
{
Con_Printf("menu_download: We're not downloading %s, apparently\n", p->dest);
return;
}
p->flags &= ~DPF_DOWNLOADING;
if (!rename(diskname, destname))
{
Con_Printf("Couldn't rename %s to %s. Removed instead.\nPerhaps you already have it\n", diskname, destname);
unlink(diskname);
return;
}
Con_Printf("Downloaded %s (to %s)\n", p->name, destname);
p->flags |= DPF_HAVEAVERSION;
WriteInstalledPackages();
FS_ReloadPackFiles();
return;
}
}
Con_Printf("menu_download: Can't figure out where %s came from\n", fname);
}
static qboolean M_Download_Key (struct menucustom_s *c, struct menu_s *m, int key)
{
char *temp;
int pn;
package_t *p, *p2;
dlmenu_t *info = m->data;
switch (key)
{
case K_UPARROW:
if (info->highlightednum>0)
info->highlightednum--;
return true;
case K_DOWNARROW: //cap range when drawing
if (info->highlightednum < numpackages)
info->highlightednum++;
return true;
case K_ENTER:
if (!info->highlightednum)
{ //do it
//uninstall packages first
package_t *last = NULL;
for (p = availablepackages; p ; p=p->next)
{
if (!(p->flags&DPF_WANTTOINSTALL) && (p->flags&DPF_HAVEAVERSION))
{ //if we don't want it but we have it anyway:
char *fname = va("%s/%s", com_basedir, p->dest);
unlink(fname);
p->flags&=~DPF_HAVEAVERSION; //FIXME: This is error prone.
WriteInstalledPackages();
if (p->flags & DPF_DELETEONUNINSTALL)
{
if (last)
last->next = p->next;
else
availablepackages = p->next;
BZ_Free(p);
return M_Download_Key(c, m, key); //I'm lazy.
}
}
last = p;
}
for (p = availablepackages; p ; p=p->next)
{
if ((p->flags&DPF_WANTTOINSTALL) && !(p->flags&(DPF_HAVEAVERSION|DPF_DOWNLOADING)))
{ //if we want it and don't have it:
p->dlnum = dlcount++;
temp = va("dl_%i.tmp", p->dlnum);
Con_Printf("Downloading %s (to %s)\n", p->fullname, temp);
COM_CreatePath(va("%s/%s", com_gamedir, p->dest));
p->flags|=DPF_DOWNLOADING;
if (!HTTP_CL_Get(p->src, temp, Menu_Download_Got))
p->flags&=~DPF_DOWNLOADING;
}
}
}
else
{
for (pn = 1, p = availablepackages; p && pn < info->highlightednum ; p=p->next, pn++)
;
if (p)
{
p->flags = (p->flags&~DPF_WANTTOINSTALL) | DPF_WANTTOINSTALL - (p->flags&DPF_WANTTOINSTALL);
if (p->flags&DPF_WANTTOINSTALL)
{
for (p2 = availablepackages; p2; p2 = p2->next)
{
if (p == p2)
continue;
if (!strcmp(p->dest, p2->dest))
p2->flags &= ~DPF_WANTTOINSTALL;
}
}
}
}
return true;
}
return false;
}
void Menu_DownloadStuff_f (void)
{
menu_t *menu;
dlmenu_t *info;
key_dest = key_menu;
m_state = m_complex;
m_entersound = true;
menu = M_CreateMenu(sizeof(dlmenu_t));
info = menu->data;
menu->selecteditem = (menuoption_t *)(info->list = MC_AddCustom(menu, 0, 32, NULL));
info->list->draw = M_Download_Draw;
info->list->key = M_Download_Key;
info->parsedsourcenum = -1;
MC_AddWhiteText(menu, 24, 8, "Downloads", false);
MC_AddWhiteText(menu, 0, 16, "Probably buggy, press escape now and avoid this place!", false);
MC_AddWhiteText(menu, 16, 24, "\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37", false);
{
static qboolean loadedinstalled;
char *fname = va("%s/%s", com_basedir, INSTALLEDFILES);
FILE *f = loadedinstalled?NULL:fopen(fname, "rb");
loadedinstalled = true;
if (f)
{
ConcatPackageLists(BuildPackageList(f, DPF_DELETEONUNINSTALL|DPF_HAVEAVERSION|DPF_WANTTOINSTALL, ""));
fclose(f);
}
}
}
#endif