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/* Copyright (C) 1994-2003 Revolution Software Ltd
 *
 * 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.
 *
 * $Header$
 */

//--------------------------------------------------------------------------------------
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
//#include <windows.h>

#include "stdafx.h"
#include "driver/driver96.h"
#include "build_display.h"
#include "console.h"
#include "debug.h"
#include "defs.h"
#include "header.h"
#include "layers.h"
#include "mem_view.h"
#include "memory.h"
#include "resman.h"
#include "sword2.h"	// (James11aug97) for CloseGame()

//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------

char	buf[50];	//has to be global because a local in Fetch_mem_owner is destroyed on exit
//--------------------------------------------------------------------------------------
void	Console_mem_display(void)	//Tony13Aug96
{
//
	int	pass,found_end,k,j,free=0;
	_standardHeader	*file_header;
	int	scrolls=0;
	char	c;

	char	inf[][20]=
	{
		{"M_null  "},
		{"M_free  "},
		{"M_locked"},
		{"M_float "}
	};


	j=base_mem_block;
	do
	{

		if	(mem_list[j].uid<65536)
		{
			file_header = (_standardHeader*) res_man.Res_open(mem_list[j].uid);
			res_man.Res_close(mem_list[j].uid);	//close immediately so give a true count

			Zdebug("view %d", mem_list[j].uid);


			pass=0;
			found_end=0;

			for	(k=0;k<30;k++)
			{
				if (file_header->name[k]==0)
				{	found_end=1;
					break;
				}

				if ( (file_header->name[k]<32)||(file_header->name[k]>'z'))
					pass=1;

			}

			if	(file_header->name[0]==0)
				pass=1;	//also illegal


			if	((!pass)&&(found_end)) //&&(file_header->fileType<10))
				Print_to_console("%d %s, size 0x%.5x (%dk %d%%), res %d %s %s, A%d, C%d", j, 
					inf[mem_list[j].state],
					mem_list[j].size, mem_list[j].size/1024, (mem_list[j].size*100)/total_free_memory, mem_list[j].uid,

					res_man.Fetch_cluster(mem_list[j].uid),
					file_header->name,
					res_man.Fetch_age(mem_list[j].uid),
					res_man.Fetch_count(mem_list[j].uid));

			else	Print_to_console(" %d is an illegal resource", mem_list[j].uid);

		}
		else
			Print_to_console("%d %s, size 0x%.5x (%dk %d%%), %s", j, 
					inf[mem_list[j].state],
					mem_list[j].size, mem_list[j].size/1024, (mem_list[j].size*100)/total_free_memory,
					Fetch_mem_owner(mem_list[j].uid) );

		if	(mem_list[j].state==MEM_free)
			free+=mem_list[j].size;


		j=mem_list[j].child;

		scrolls++;

		Build_display();


		if	(scrolls==18)
		{
			Temp_print_to_console("- Press ESC to stop or any other key to continue");
			Build_display();

			do
			{
			 	//--------------------------------------------------
				// Service windows
				while (!gotTheFocus)
					if (ServiceWindows() == RDERR_APPCLOSED)
						break;

				if (ServiceWindows() == RDERR_APPCLOSED)	// if we pressed Ctrl-Q
				{
					Close_game();	//close engine systems down
					CloseAppWindow();
					exit(0);	//quit the game
				}
 				//--------------------------------------------------
			}
			while(!KeyWaiting());

			ReadKey(&c);	//kill the key we just pressed
			if	(c==27)	//ESC
				break;

			Clear_console_line();	//clear the Press Esc message ready for the new line
			scrolls=0;
		}	
	}
	while	(j!=-1);

	Scroll_console();
	Print_to_console("(total memory block 0x%.8x %dk %dMB) %d / %d%% free", total_free_memory,
				total_free_memory/1024,
				total_free_memory/(1000*1024),
				free,
				(free*100)/total_free_memory);


}
//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------
const char	*Fetch_mem_owner(uint32	uid)	//Tony3June96
{

	switch(uid)
	{
		case	UID_memman:
			return("MEMMAN");
			break;

		case	UID_font:
			return("font");
			break;

		case	UID_temp:
			return("temp ram allocation");
			break;

		case	UID_decompression_buffer:
			return("decompression buffer");
			break;

		case	UID_shrink_buffer:
			return("shrink buffer");
			break;

		case	UID_con_sprite:
			return("console sprite buffer");
			break;

		case	UID_text_sprite:
			return("text sprite");
			break;

		case	UID_walk_anim:
			return("walk anim");
			break;

		case	UID_savegame_buffer:
			return("savegame buffer");
			break;

		default:
			sprintf(buf, "<sob> %d?", uid);
			return(buf);
			break;
	}
}

//--------------------------------------------------------------------------------------
void Create_mem_string( char *string )	// James (21oct96 updated 4dec96)
{
	int	blockNo = base_mem_block;
	int blocksUsed=0;
	int	mem_free=0;
	int	mem_locked=0;
	int mem_floating=0;
	int memUsed=0;
	int	percent;



	while (blockNo != -1)
	{
		switch (mem_list[blockNo].state)
		{
			case MEM_free:
				mem_free++;
				break;

			case MEM_locked:
				mem_locked++;
				memUsed += mem_list[blockNo].size;
				break;

			case MEM_float:
				mem_floating++;
				memUsed += mem_list[blockNo].size;
				break;
		}

		blocksUsed++;
		blockNo = mem_list[blockNo].child;
	}

	percent =  (memUsed * 100) / total_free_memory;

	sprintf( string, "locked(%u)+float(%u)+free(%u) = %u/%u blocks (%u%% used)(cur %uk)", mem_locked, mem_floating, mem_free, blocksUsed, MAX_mem_blocks, percent, (res_man.Res_fetch_useage()/1024) );
}
//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------