no loading between levels, many improvements in code

libs/memman.h

@@ -12,6 +12,14 @@
 extern "C" {
 #endif
 
+///decodes block if needed
+/**
+ * @param src source data
+ * @param size source size - you need to write own size if data has been converted
+ * @param pointer either to src or newly allocated block with replacement (must be allocated by malloc)
+ */
+typedef const void *(*ABLOCK_DECODEPROC)(const void *src, int32_t *size);
+
 
 #define freemem(size) free(size);
 //#define malloc(size) getmem(size)
@@ -36,11 +44,11 @@ typedef struct thandle_data
   {
   char src_file[12];  //12
   int32_t seekpos;       //16
-  void *blockdata;    //20
+  const void *blockdata;    //20
   char flags;        //21
   uint8_t path;        //22
   short status;
-  void (*loadproc)(void **data,int32_t *size);//28
+  ABLOCK_DECODEPROC loadproc;
   unsigned short lockcount;               //32
   uint32_t counter;
   uint32_t size;
@@ -66,6 +74,7 @@ typedef handle_list *handle_groups[BK_MAJOR_HANDLES];
 #define BK_SHARED 4
 #define BK_PRELOAD 8
 #define BK_HSWAP 16
+#define BK_READONLY 32
 
 //extern  char *const * mman_pathlist;  //tento pointer musi byt naplnen ukazatelem na tabulku cest
 extern int memman_handle; //cislo handle naposled zpracovavaneho prikazem ablock
@@ -75,13 +84,13 @@ void *grealloc(void *m,int32_t size); //realokace pameti pres memman
 void *load_file(const char *filename); //obycejne natahne soubor do pameti a vrati ukazatel.
 void init_manager(const char *filename,const char *swp); //inicializuje manager. Jmeno filename i swapname nejsou povinne (musi byt NULL kdyz nejsou pouzity)
 void def_mman_group_table(const char ** ); //define pointer to table of paths, for each group there is path
-THANDLE_DATA *def_handle(int handle,const char *filename,void *decompress,char path); //deklaruje rukojet. promenna decompress je ukazatel na funkci ktera upravi data pred vracenim ukazatele
-void *ablock(int handle);             //vraci ukazatel bloku spojeneho s handlem
+THANDLE_DATA *def_handle(int handle,const char *filename,ABLOCK_DECODEPROC decompress,char path); //deklaruje rukojet. promenna decompress je ukazatel na funkci ktera upravi data pred vracenim ukazatele
+const void *ablock(int handle);             //vraci ukazatel bloku spojeneho s handlem
+void *ablock_copy(int handle);             //vraci ukazatel bloku spojeneho s handlem
 void alock(int handle);               //zamyka blok
 void aunlock(int handle);             //odmyka blok
 void aswap(int handle);               //zapina swapovani pro blok
 void aunswap(int handle);             //vypina swapovani pro blok
-void apreload(int handle);            //zapina preloading pro blok (preloading proved pomoci ablock)
 //void free(void);                          //free
 void close_manager(void);                 //uzavre manager a uvolni veskerou pamet
 void undef_handle(int handle);        //uvolni hadle k dalsimu pouziti
@@ -92,11 +101,9 @@ int test_file_exist(int group,char *filename); //testuje zda soubor existuje v r
 void *afile(char *filename,int group,int32_t *blocksize); //nahraje do pameti soubor registrovany v ramci mmanageru
 int32_t get_handle_size(int handle);
 //void get_mem_info(MEMORYSTATUS *mem);
+void ablock_free(const void *ptr);
 
-void apreload_sign(int handle,int max_handle);     //pripravi preloading pro nacteni dat z CD (sekvencne)
-void apreload_start(void (*percent)(int cur,int max));   //provede sekvenci apreload
 
-char *read_next_entry(char mode);     //cte adresar DDL souboru a vraci jmeno, nebo NULL. mode udava, zda se hleda od zacatku, nebo pokracuje tam kde program skoncil
 int read_group(int index);
 char add_patch_file(char *filename);  //pripojuje zaplatu
 FILE *afiletemp(char *filename, int group);