// CCMap.cpp : Defines the entry point for the DLL application.
//

#include "windows.h"
#include "CCMap.h"
#include "stdlib.h"


#ifdef _MANAGED
#pragma managed(push, off)
#endif

#ifdef CCMAP_DLL_MODE

BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
					 )
{
	switch (ul_reason_for_call)
	{
	case DLL_PROCESS_ATTACH:
	case DLL_THREAD_ATTACH:
	case DLL_THREAD_DETACH:
	case DLL_PROCESS_DETACH:
		break;
	}
    return TRUE;
}

#endif

#ifdef _MANAGED
#pragma managed(pop)
#endif



inline void * ZERO_ALLOC(int a)
{
	void *ptr = malloc(a);
	memset(ptr, 0, a);
	return ptr;
}

MAP::MAP()
{
	memset(this, 0, sizeof(*this));
}

MAP::MAP(MAP *_map)
{
	memset(this, 0, sizeof(*this));
	SetSize(_map->SX, _map->SY);
}

MAP::~MAP()
{
	Delete();
}

s32 *MAP::GetBase()
{
	return BASE;
}

void MAP::SetBase(s32 *_BASE)
{
	//if (!staticBase && BASE)
	//	free(BASE);
	BASE		= _BASE;
	staticBase	= 1;
}

void MAP::MoveBase(s32 dec)
{
	BASE += dec;
}

s32	MAP::GetValue(int pos)
{
	return BASE[pos];
}

void MAP::SetValue(int pos, s32 Value)
{
	BASE[pos] = Value;
}


u32 MAP::SetSize(u32 _PITCH, u32 _SY, u8 forceReset)
{
	if (_PITCH	== PITCH &&
		_SY		== SY && BASE)
		return 0;
	int alloc_size = 512 + (_SY + 16) * (_PITCH) * 4;
	forceReset = forceReset || !BASE;
	
	PITCH =
		SX = _PITCH;
		SY = _SY;
	
	if (staticBase)
		return 1;
	if (BASE)
		BASE = (s32 *)realloc(BASE, alloc_size);
	else
		BASE = (s32 *)malloc(alloc_size);
	if (forceReset)
		memset(BASE, 0, alloc_size);
	return 1;
}
void MAP::Delete()
{
	if (!staticBase && BASE)
		free(BASE);
	BASE = NULL;
}


MAP8::MAP8()
{
	memset(this, 0, sizeof(*this));
}

MAP8::~MAP8()
{
	Delete();
}

u8 *MAP8::GetBase()
{
	return BASE;
}

void MAP8::SetBase(u8 *_BASE)
{
	//if (!staticBase && BASE)
	//	free(BASE);
	BASE		= _BASE;
	staticBase	= 1;
}

void MAP8::MoveBase(s32 dec)
{
	BASE += dec;
}


u8 MAP8::GetValue(int pos)
{
	return BASE[pos];
}

void MAP8::SetValue(int pos, u8 Value)
{
	BASE[pos] = Value;
}


u32 MAP8::SetSize(u32 _PITCH, u32 _SY, u8 forceReset)
{
	if (_PITCH	== PITCH &&
		_SY		== SY && BASE)
		return 0;
	int alloc_size = _SY * _PITCH;
	forceReset = forceReset || !BASE;
	
	PITCH =
		SX = _PITCH;
		SY = _SY;
	if (staticBase)
		return 1;
	if (BASE)
		BASE = (u8 *)realloc(BASE, alloc_size);
	else
		BASE = (u8 *)malloc(alloc_size);
	if (forceReset)
		memset(BASE, 0, alloc_size);
	return 1;
}
void MAP8::Delete()
{
	if (!staticBase && BASE)
		free(BASE);
	BASE = NULL;
}


MAP16::MAP16()
{
	memset(this, 0, sizeof(*this));
}

MAP16::~MAP16()
{
	Delete();
}

s16 *MAP16::GetBase()
{
	return BASE;
}

void MAP16::SetBase(s16 *_BASE)
{
	//if (!staticBase && BASE)
	//	free(BASE);
	BASE		= _BASE;
	staticBase	= 1;
}

void MAP16::MoveBase(s32 dec)
{
	BASE += dec;
}

s16	MAP16::GetValue(int pos)
{
	return BASE[pos];
}

void MAP16::SetValue(int pos, s16 Value)
{
	BASE[pos] = Value;
}


u32 MAP16::SetSize(u32 _PITCH, u32 _SY, u8 forceReset)
{
	if (_PITCH	== PITCH &&
		_SY		== SY && BASE)
		return 0;
	int alloc_size = _SY * _PITCH * 2;
	forceReset = forceReset || !BASE;
	
	PITCH =
		SX = _PITCH;
		SY = _SY;
	if (staticBase)
		return 1;
	if (BASE)
		BASE = (s16 *)realloc(BASE, alloc_size);
	else
		BASE = (s16 *)malloc(alloc_size);
	if (forceReset)
		memset(BASE, 0, alloc_size);
	return 1;
}
void MAP16::Delete()
{
	if (!staticBase && BASE)
		free(BASE);
	BASE = NULL;
}