#include "mapviewer.h"

using namespace std;

void CDirectory::AppendFromDir(FILE *Dir, const char *ContFile)
{
	int i, j;
	int Size, numEntries;
	DirEntry Entry;
	char fourcc[45];

	if (fread(fourcc, 1, 4, Dir) != 4)
		exiterror("Error in file", ContFile);
	fourcc[4] = '\0';
	if (strcmp(fourcc, "VER2") == 0) {
		if (fread(&numEntries, 4, 1, Dir) != 1)
			exiterror("Error in file", ContFile);
	} else {
		fseek(Dir, 0, SEEK_END);
		Size = ftell(Dir);
		numEntries = Size / 32;
		fseek(Dir, 0, SEEK_SET);
	}


	for (i = 0; i < numEntries; i++) {
		if (fread(&Entry.Start, 4, 1, Dir) != 1)
			exiterror("Error in file", ContFile);
		if (fread(&Entry.Size, 4, 1, Dir) != 1)
			exiterror("Error in file", ContFile);
		Entry.Start *= 2048;
		Entry.Size *= 2048;
		if (fread(Entry.FileName, 1, 24, Dir) != 24)
			exiterror("Error in file", ContFile);
		strcpy(Entry.ContFile, ContFile);
		for (j = 0; j < strlen(Entry.FileName); j++) {
			if (islower(Entry.FileName[j]))
				Entry.FileName[j] = toupper(Entry.FileName[j]);
		}
		Entry.Data = NULL;
		Entry.Parent = NULL;
		Entry.Unloadable = false;
		Entry.RefCount = 0;
//		cout << Entry.FileName << endl;
		Append(Entry);
	}
}

void CDirectory::Append(DirEntry &d)
{
	DirEntry *Entry;

	Entry = GetEntry(d.FileName);
	if (Entry == NULL)
		FileList.push_back(d);
	else {
		strcpy(Entry->FileName, d.FileName);
		Entry->Start = d.Start;
		Entry->Size = d.Size;
		strcpy(Entry->ContFile, d.ContFile);
	}
}

void CDirectory::Append(const char *FileName, uint Start, uint Size,
                        const char *ContFile, void *Data)
{
	DirEntry d;

	strcpy(d.FileName, FileName);
	d.Start = Start;
	d.Size = Size;
	strcpy(d.ContFile, ContFile);
	d.Data = Data;
	d.RefCount = 0;
	d.Parent = NULL;
	Append(d);
}

DirEntry *CDirectory::GetEntry(const char *Name, const char *Ext)
{
	char FileName[48];

	strcpy(FileName, Name);
	strcat(FileName, Ext);
	return GetEntry(FileName);
}

DirEntry *CDirectory::GetEntry(const char *Name)
{
	uint i;

	for (i = 0; i < FileList.size(); i++)
		if (strcmp(FileList[i].FileName, Name) == 0)
			return &FileList[i];
	return NULL;
}

void CDirectory::Dump()
{
	uint i;
	
	for (i = 0; i < FileList.size(); i++) {
		if (strcmp(FileList[i].FileName, "GENERIC.TXD") == 0)
			cout << FileList[i].FileName << endl;
	}
}