Implement/match MxDisplaySurface::Create (#115)

LEGO1/mxdisplaysurface.cpp

@@ -1,4 +1,5 @@
 #include "mxdisplaysurface.h"
+#include "mxomni.h"
 
 DECOMP_SIZE_ASSERT(MxDisplaySurface, 0xac);
 
@@ -45,10 +46,105 @@ MxResult MxDisplaySurface::Init(MxVideoParam &p_videoParam, LPDIRECTDRAWSURFACE
   return result;
 }
 
-// OFFSET: LEGO1 0x100ba7f0 STUB
+// OFFSET: LEGO1 0x100ba7f0
-MxResult MxDisplaySurface::Create(MxVideoParam *p_videoParam)
+MxResult MxDisplaySurface::Create(MxVideoParam &p_videoParam)
 {
-  return 0;
+  DDSURFACEDESC ddsd;
+  MxResult result = FAILURE;
+  LPDIRECTDRAW lpDirectDraw = MVideoManager()->GetDirectDraw();
+  HWND hWnd = MxOmni::GetInstance()->GetWindowHandle();
+
+  this->m_initialized = TRUE;
+  this->m_videoParam = p_videoParam;
+
+  if (!this->m_videoParam.flags().GetFullScreen())
+    this->m_videoParam.flags().SetFlipSurfaces(FALSE);
+
+  if (!this->m_videoParam.flags().GetFlipSurfaces()) {
+    this->m_videoParam.SetBackBuffers(1);
+  }
+  else {
+    MxU32 backBuffers = this->m_videoParam.GetBackBuffers();
+
+    if (backBuffers < 1)
+      this->m_videoParam.SetBackBuffers(1);
+    else if (backBuffers > 2)
+      this->m_videoParam.SetBackBuffers(2);
+
+    this->m_videoParam.flags().SetBackBuffers(TRUE);
+  }
+
+  if (this->m_videoParam.flags().GetFullScreen()) {
+    MxS32 width = this->m_videoParam.GetRect().m_right - this->m_videoParam.GetRect().m_left + 1;
+    MxS32 height = this->m_videoParam.GetRect().m_bottom - this->m_videoParam.GetRect().m_top + 1;
+
+    if (lpDirectDraw->SetCooperativeLevel(hWnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN))
+      goto done;
+
+    memset(&ddsd, 0, sizeof(ddsd));
+    ddsd.dwSize = sizeof(ddsd);
+
+    if (lpDirectDraw->GetDisplayMode(&ddsd))
+      goto done;
+
+    MxS32 bitdepth = !this->m_videoParam.flags().Get16Bit() ? 8 : 16;
+
+    if (ddsd.dwWidth != width || ddsd.dwHeight != height || ddsd.ddpfPixelFormat.dwRGBBitCount != bitdepth) {
+      if (lpDirectDraw->SetDisplayMode(width, height, bitdepth))
+        goto done;
+    }
+  }
+
+  if (this->m_videoParam.flags().GetFlipSurfaces()) {
+    memset(&ddsd, 0, sizeof(ddsd));
+    ddsd.dwSize = sizeof(ddsd);
+    ddsd.dwBackBufferCount = this->m_videoParam.GetBackBuffers();
+    ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
+    ddsd.ddsCaps.dwCaps = DDSCAPS_3DDEVICE | DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
+
+    if (lpDirectDraw->CreateSurface(&ddsd, &this->m_ddSurface1, NULL))
+      goto done;
+
+    ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
+
+    if (this->m_ddSurface1->GetAttachedSurface(&ddsd.ddsCaps, &this->m_ddSurface2))
+      goto done;
+  }
+  else {
+    memset(&ddsd, 0, sizeof(ddsd));
+    ddsd.dwSize = sizeof(ddsd);
+    ddsd.dwFlags = DDSD_CAPS;
+    ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
+
+    if (lpDirectDraw->CreateSurface(&ddsd, &this->m_ddSurface1, NULL))
+      goto done;
+
+    memset(&ddsd, 0, sizeof(ddsd));
+    ddsd.dwSize = sizeof(ddsd);
+    ddsd.dwFlags = DDSD_HEIGHT | DDSD_WIDTH | DDSD_CAPS;
+    ddsd.dwWidth = this->m_videoParam.GetRect().m_right - this->m_videoParam.GetRect().m_left + 1;
+    ddsd.dwHeight = this->m_videoParam.GetRect().m_bottom - this->m_videoParam.GetRect().m_top + 1;
+    ddsd.ddsCaps.dwCaps = DDSCAPS_VIDEOMEMORY | DDSCAPS_3DDEVICE | DDSCAPS_OFFSCREENPLAIN;
+
+    if (!this->m_videoParam.flags().GetBackBuffers())
+      ddsd.ddsCaps.dwCaps = DDSCAPS_3DDEVICE | DDSCAPS_SYSTEMMEMORY | DDSCAPS_OFFSCREENPLAIN;
+
+    if (lpDirectDraw->CreateSurface(&ddsd, &this->m_ddSurface2, NULL))
+      goto done;
+  }
+
+  memset(&this->m_surfaceDesc, 0, sizeof(this->m_surfaceDesc));
+  this->m_surfaceDesc.dwSize = sizeof(this->m_surfaceDesc);
+
+  if (!this->m_ddSurface2->GetSurfaceDesc(&this->m_surfaceDesc)) {
+    if (!lpDirectDraw->CreateClipper(0, &this->m_ddClipper, NULL) &&
+        !this->m_ddClipper->SetHWnd(0, hWnd) &&
+        !this->m_ddSurface1->SetClipper(this->m_ddClipper))
+      result = SUCCESS;
+  }
+
+done:
+  return result;
 }
 
 // OFFSET: LEGO1 0x100baa90

LEGO1/mxdisplaysurface.h

@@ -20,7 +20,7 @@ class MxDisplaySurface : public MxCore
   void Reset();
 
   virtual MxResult Init(MxVideoParam &p_videoParam, LPDIRECTDRAWSURFACE p_ddSurface1, LPDIRECTDRAWSURFACE p_ddSurface2, LPDIRECTDRAWCLIPPER p_ddClipper);
-  virtual MxResult Create(MxVideoParam *p_videoParam);
+  virtual MxResult Create(MxVideoParam &p_videoParam);
   virtual void Clear();
   virtual void SetPalette(MxPalette *p_palette);
   virtual void vtable24(undefined4, undefined4, undefined4, undefined4, undefined4, undefined4, undefined4, undefined4);

LEGO1/mxomni.h

@@ -38,6 +38,7 @@ class MxOmni : public MxCore
   virtual MxResult Create(MxOmniCreateParam &p); // vtable+18
   virtual void Destroy(); // vtable+1c
   static void SetInstance(MxOmni* instance);
+  HWND GetWindowHandle() const { return this->m_windowHandle; }
   MxObjectFactory* GetObjectFactory() const { return this->m_objectFactory; }
   MxNotificationManager* GetNotificationManager() const { return this->m_notificationManager; }
   MxTickleManager* GetTickleManager() const { return this->m_tickleManager; }
@@ -53,7 +54,7 @@ class MxOmni : public MxCore
   static MxOmni* g_instance;
 
   MxString m_mediaPath; // 0x8
-  HWND *m_windowHandle; // 0x18;
+  HWND m_windowHandle; // 0x18;
   MxObjectFactory *m_objectFactory; // 0x1C
   MxVariableTable* m_variableTable; //0x20
   MxTickleManager* m_tickleManager; //0x24

LEGO1/mxrect32.h

@@ -5,7 +5,7 @@ class MxRect32
 {
 public:
   MxRect32() { }
-  MxRect32(int p_left, int p_top, int p_right, int p_bottom)
+  MxRect32(MxS32 p_left, MxS32 p_top, MxS32 p_right, MxS32 p_bottom)
   {
     this->m_left = p_left;
     this->m_top = p_top;
@@ -13,10 +13,10 @@ class MxRect32
     this->m_bottom = p_bottom;
   }
 
-  int m_left;
+  MxS32 m_left;
-  int m_top;
+  MxS32 m_top;
-  int m_right;
+  MxS32 m_right;
-  int m_bottom;
+  MxS32 m_bottom;
 };
 
 #endif // MXRECT32_H

LEGO1/mxvideoparam.h

@@ -24,12 +24,16 @@ class MxVideoParam
   inline MxVideoParamFlags &flags() { return m_flags; }
 
   inline void SetPalette(MxPalette *p_palette) { this->m_palette = p_palette; }
+  inline void SetBackBuffers(MxU32 p_backBuffers) { this->m_backBuffers = p_backBuffers; }
+
+  inline MxRect32 &GetRect() { return this->m_rect; }
   inline MxPalette *GetPalette() { return this->m_palette; }
+  inline MxU32 GetBackBuffers() { return this->m_backBuffers; }
 
 private:
   MxRect32 m_rect;
   MxPalette *m_palette;
-  unsigned int m_backBuffers;
+  MxU32 m_backBuffers;
   MxVideoParamFlags m_flags;
   int m_unk1c;
   char *m_deviceId;