isle/LEGO1/mxdirect3d.cpp

#include "mxdirect3d.h"
#include <stdio.h> // for vsprintf

DECOMP_SIZE_ASSERT(MxDirect3D, 0x894);
DECOMP_SIZE_ASSERT(MxDeviceModeFinder, 0xe4);
DECOMP_SIZE_ASSERT(MxDeviceEnumerate, 0x198);

// OFFSET: LEGO1 0x1009b0a0
MxDirect3D::MxDirect3D()
{
  this->m_pDirect3d = NULL;
  this->m_pDirect3dDevice = NULL;
  this->m_unk88c = NULL;
  this->m_pDeviceModeFinder = NULL;
}

// OFFSET: LEGO1 0x1009b140
MxDirect3D::~MxDirect3D()
{
  Destroy();
}

// OFFSET: LEGO1 0x1009b1a0
BOOL MxDirect3D::Create(
  HWND hWnd,
  BOOL fullscreen_1,
  BOOL surface_fullscreen,
  BOOL onlySystemMemory,
  int width,
  int height,
  int bpp,
  const PALETTEENTRY* pPaletteEntries,
  int paletteEntryCount)
{
  BOOL success = FALSE;

  BOOL ret = MxDirectDraw::Create(hWnd, fullscreen_1, surface_fullscreen,
                                  onlySystemMemory, width, height, bpp,
                                  pPaletteEntries, paletteEntryCount);
  
  if (ret && CreateIDirect3D() && D3DSetMode())
    success = TRUE;

  if (!success)
    FUN_1009D920();

  return success;
}

// OFFSET: LEGO1 0x1009b210
void MxDirect3D::Destroy()
{
  if (this->m_pDirect3dDevice) {
    this->m_pDirect3dDevice->Release();
    this->m_pDirect3dDevice = NULL;
  }

  if (this->m_pDirect3d) {
    this->m_pDirect3d->Release();
    this->m_pDirect3d = NULL;
  }

  if (this->m_pDeviceModeFinder) {
    delete m_pDeviceModeFinder;
    this->m_pDeviceModeFinder = NULL;
  }

  // This should get deleted by MxDirectDraw::Destroy
  if (m_pCurrentDeviceModesList) {
    // delete m_pCurrentDeviceModesList; // missing?
    m_pCurrentDeviceModesList = NULL;
  }

  MxDirectDraw::Destroy();
}

// OFFSET: LEGO1 0x1009b290
void MxDirect3D::Clear()
{
  if(this->m_pDirect3dDevice) {
    this->m_pDirect3dDevice->Release();
    this->m_pDirect3dDevice = NULL;
  }
  if(this->m_pDirect3d) {
    this->m_pDirect3d->Release();
    this->m_pDirect3d = NULL;
  }
  MxDirectDraw::DestroyButNotDirectDraw();
}

// OFFSET: LEGO1 0x1009b2d0
BOOL MxDirect3D::CreateIDirect3D()
{
  MxResult ret = IDirect3D_QueryInterface(m_pDirectDraw,
                                          IID_IDirect3D2,
                                          (LPVOID*)&m_pDirect3d);

  if (ret) {
    Error("Creation of IDirect3D failed", ret);
    return FALSE;
  }

  return TRUE;
}

// OFFSET: LEGO1 0x1009b310 STUB
BOOL MxDirect3D::D3DSetMode()
{
  // TODO
  //if (m_pDeviceModeFinder)
  Error("This device cannot support the current display mode", 0);
  OutputDebugString("MxDirect3D::D3DSetMode() front lock failed\n");
  OutputDebugString("MxDirect3D::D3DSetMode() back lock failed\n");
  return TRUE;
}

// OFFSET: LEGO1 0x1009b8b0
MxDeviceModeFinder::MxDeviceModeFinder()
{
  memset(this, 0, sizeof(*this));
}

// OFFSET: LEGO1 0x1009b8d0
MxDeviceModeFinder::~MxDeviceModeFinder()
{
  if (m_deviceInfo) {
    delete m_deviceInfo;
    m_deviceInfo = NULL;
  }
}

// OFFSET: LEGO1 0x1009c070 STUB
BOOL MxDeviceEnumerate::FUN_1009c070()
{
  // TODO
  // HRESULT ret = DirectDrawCreate();
  HRESULT ret = 0;
  if (ret) {
    MxDirect3D::BuildErrorString("GetCaps failed: %s\n",
                                 EnumerateErrorToString(ret));
  }
  //IDirect3D2_EnumDevices
  return TRUE;
}

// OFFSET: LEGO1 0x1009c4c0
void MxDirect3D::BuildErrorString(const char *p_format, ...)
{
  va_list args;
  char buf[512];

  va_start(args, p_format);
  vsprintf(buf, p_format, args);
  va_end(args);
  
  OutputDebugString(buf);
}

// OFFSET: LEGO1 0x1009c6c0
MxResult MxDeviceEnumerate::_DoEnumerate()
{
  // TODO: what does ECX refer to in this context?
  if (m_unk010_flag)
    return FAILURE;

  HRESULT ret = DirectDrawEnumerate(EnumerateCallback, this);
  if (ret) {
    MxDirect3D::BuildErrorString("DirectDrawEnumerate returned error %s\n",
                                 EnumerateErrorToString(ret));
    return FAILURE;
  }

  m_unk010_flag = TRUE;
  return SUCCESS;
}

// OFFSET: LEGO1 0x1009c710 STUB
BOOL FAR PASCAL EnumerateCallback(GUID FAR *, LPSTR, LPSTR, LPVOID)
{
  // TODO
  return FALSE;
}

// OFFSET: LEGO1 0x1009c730 STUB
char *MxDeviceEnumerate::EnumerateErrorToString(HRESULT p_error)
{
  // TODO: This is a list of error messages, similar to the function in
  // MxDirectDraw, except that this one now contains the Direct3D errors.
  // Probably just copied from a sample file in the dx5 sdk.
  return "";
}