Changeset 2664 in orxonox.OLD for orxonox/branches

Timestamp:

Oct 27, 2004, 7:10:09 PM (20 years ago)

Author:

chris

Message:

orxonox/branches/chris: compiling alpha version of DataTank implemented, supports custom filetypes and automatic placeholder application for missing data files, precaching system with loading screen support coming soon - still missing doxygen tag though.

Location:

orxonox/branches/chris/src

Files:

• data_tank.cc (deleted)
• data_tank.cpp (added)
• data_tank.h (modified) (1 diff)

orxonox/branches/chris/src/data_tank.h

@@ +1 @@
+/* 
+   orxonox - the future of 3D-vertical-scrollers
 
-#ifndef DATA_TANK_H
-#define DATA_TANK_H
+   Copyright (C) 2004 orx
+
+   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, 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.  
 
 
-class DataTank {
+   ### File Specific:
+   main-programmer: Christian Meyer
+   co-programmer: ...
+*/
 
+#ifndef _DATA_TANK_H
+#define _DATA_TANK_H
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define MAX_FILENAME_LENGHT 64
+#define POSTFIX_LENGHT 5
+
+typedef struct DataTree
+{
+        struct DataTree *up, *down, *parent;
+        char filename[MAX_FILENAME_LENGHT];
+        void* resource;
+        int type;
+} DataTree;
+
+class DataLoader
+{
+ private:
+        void*(**load_funcs)(char*);
+        void(**free_funcs)(void*);
+        char** postfixes;
+        void** placeholders;
+        
+        int ntypes;
+         
  public:
-  DataTank ();
-  ~DataTank ();
+        DataLoader();
+        ~DataLoader();
+        
+        int add_filetype( char* postfix, void*(*lfunc)(char*), void(*ffunc)(void*), char* placeholderfile);
+        void* load_file( char* file, int type);
+        int get_type( char* file);
+        void* get_placeholder( int type);
+        void free_file( void* resource, int type);
+};
 
+class DataTank
+{
+ private:
+        
+        // resources stored in binary tree structure
+        DataTree* tree;
+        
+        // data loader
+        DataLoader* loader;
+        
+        // tree functions
+        void tree_add( void* r, char* filename, int type);
+        DataTree* tree_find( char* file);
+        void tree_remove( DataTree* rem);
+        void tree_delete();
+        
+ public:
+        DataTank();
+        ~DataTank();
+        
+        void* get( char* file);
+        void unload( char* file);
+        int add_filetype( char* postfix, void*(*lfunc)(char*), void(*ffunc)(void*), char* placeholderfile);
+        void precache( char* resfile, void(*pfunc)(int, float, char*, char*));
+        void save_precache( char* file);
+        void save_node( DataTree* act, FILE* out);
+        DataTree* tree_highest( DataTree* t);
+        DataTree* tree_lowest( DataTree* t);
 };