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allow all MAP files to be read from DDL archive

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Ondřej Novák 2025-06-14 14:10:02 +02:00
parent 96eaeb4851
commit 73a4187f79
18 changed files with 185 additions and 165 deletions
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65
game/interfac.c
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@ -1350,64 +1350,39 @@ void check_global_fletna(THE_TIMER *t)
//---------------------------------------
static char *load_file_to_string(FILE *f, int *size) {
fseek(f,0, SEEK_END);
int sz = ftell(f);
fseek(f, 0 , SEEK_SET);
char *c = getmem(sz+1);
fread(c,1,sz,f);
*size = sz;
c[sz] = 0;
return c;
}
TMPFILE_RD *enc_open(const char *filename)
TMPFILE_RD *enc_open(const char *filename, int group)
{
FILE *f;
char *c,*enc;
TMPFILE_RD *f;
int last=0;
int size;
char *encdata;
f=fopen_icase(filename,"r");
f=open_ddl_file(filename, group);
if (f!=NULL) {
encdata = load_file_to_string(f, &size);
fclose(f);
return f;
} else {
enc=alloca(strlen(filename)+5);
strcpy(enc,filename);
c=strrchr(enc,'.');
if (c==NULL) c=strchr(enc,0);
strcpy(c,".ENC");
f=fopen_icase(enc,"rb");
if (f==NULL) return NULL;
encdata = load_file_to_string(f, &size);
fclose(f);
for (int i = 0; i < size; ++i) {
const char *enc_name = set_file_extension(filename, ".ENC");
int32_t sz;
void *data = afile_copy(enc_name,group,&sz);
if (data == NULL) return NULL;
char *encdata = (char *)data;
for (int i = 0; i < sz; ++i) {
last = (last + encdata[i]) & 0xFF;
encdata[i] = last;
}
f = temp_storage_from_binary(encdata, sz, &free, data);
return f;
}
temp_storage_store("__enc_temp", encdata, size);
free(encdata);
return temp_storage_open("__enc_temp");
}
void enc_close(TMPFILE_RD *fil)
{
temp_storage_close_rd(fil);
temp_storage_delete("__enc_temp");
}
int load_string_list_ex(TSTR_LIST *list,const char *filename)
int load_string_list_ex(TSTR_LIST *list,const char *filename, int group)
{
char c[1024],*p;
int i=0,j,lin=0;
TMPFILE_RD *f;
f=enc_open(filename);
f=enc_open(filename, group);
if (*list==NULL) *list=create_list(256);
if (f==NULL) return -1;
do
@ -1424,12 +1399,12 @@ int load_string_list_ex(TSTR_LIST *list,const char *filename)
j=temp_storage_scanf(f,"%d",&i);
if (j==EOF)
{
enc_close(f);
temp_storage_close_rd(f);
return -2;
}
if (j!=1)
{
enc_close(f);
temp_storage_close_rd(f);
return lin;
}
if (i==-1) break;
@ -1437,7 +1412,7 @@ int load_string_list_ex(TSTR_LIST *list,const char *filename)
if (j!=EOF) temp_storage_ungetc(f);
if (temp_storage_gets(c,1022,f)==NULL)
{
enc_close(f);
temp_storage_close_rd(f);
return lin;
}
@ -1449,12 +1424,12 @@ int load_string_list_ex(TSTR_LIST *list,const char *filename)
for(p=c;*p;p++) *p=*p=='|'?'\n':*p;
if (str_replace(list,i,c)==NULL)
{
enc_close(f);
temp_storage_close_rd(f);
return -3;
}
}
while (1);
enc_close(f);
temp_storage_close_rd(f);
return 0;
}