Added tmdfs mode 4 for 2x 640x480 monitors

.vscode/settings.json

@@ -0,0 +1,13 @@
+{
+    // Legacy source files use CP949 (Korean Windows encoding, superset of EUC-KR).
+    // VS Code defaults to UTF-8, which silently corrupts the Korean comment bytes
+    // on save. Setting encoding to cp949 here preserves them exactly.
+    "files.encoding": "cp949",
+
+    // Let VS Code try to detect encoding per-file, falling back to cp949 above.
+    "files.autoGuessEncoding": true,
+
+    // Preserve the original Windows CRLF line endings (Git's * -text in
+    // .gitattributes also prevents conversion, but this keeps VS Code consistent).
+    "files.eol": "\r\n"
+}

Gameleap/code/CoreTech/Libraries/GameOS/VideoCard.cpp

@@ -46,6 +46,8 @@ videoDevices BufferedDevices[8];
 int g_nDualHead = -1; // jcem
 int g_nDualHead2 = -1; // jcem
 int g_nNonDualHead = -1; // jcem
+int g_nMFD1 = -1; // mode 4: left 640x480 MFD monitor
+int g_nMFD2 = -1; // mode 4: right 640x480 MFD monitor
 // MSL 5.03 Mechview
 int g_nMechViewType; // jcem : 0 - no mechview, 1 - on radar screen, 2 - on main screen
 
@@ -380,6 +382,20 @@ void FindVideoCards()
 			}
 		}
 	}
+    // Mode 4 (split dual 640x480): find two extra D3D devices beyond
+    // FullScreenDevice and g_nNonDualHead.  These need no special resolution.
+    {
+        int found = 0;
+        for (int t0 = 0; t0 < NumDevices && found < 2; t0++) {
+            if (t0 == Environment.FullScreenDevice) continue;
+            if (t0 == g_nNonDualHead)               continue;
+            if (DeviceArray[t0].D3DCaps.dwDevCaps & D3DDEVCAPS_HWRASTERIZATION) {
+                if (found == 0) g_nMFD1 = t0;
+                else            g_nMFD2 = t0;
+                found++;
+            }
+        }
+    }
     // jcem
 //
 // Check any known video cards have up to date drivers (Only on Windows9x)

Gameleap/code/CoreTech/Libraries/GameOS/WinMain.cpp

@@ -940,6 +940,13 @@ void gos_UpdateDisplay( bool Everything )
 				radar_device.BeginScene();
 			}
 			break;
+		case 4:
+			// Same 7-step cadence as mode 1: clear both MFD devices at step 0.
+			if(sh_step==0){
+				radar_device.BeginScene();
+				mfd_device.BeginScene();  // also clears mfd_device_right internally
+			}
+			break;
 		}
 	}else if(hsh_mrdev_initialized){
 		mr_device.BeginScene();
@@ -1106,6 +1113,21 @@ void gos_UpdateDisplay( bool Everything )
 			break;
 		case 3:
 			break;
+		case 4:
+			// Same 7-step cadence as mode 1.  Flip all three: radar, left MFD,
+			// right MFD.  mfd_device_right.pDDSFront is NULL if not initialised
+			// (e.g. g_nMFD2 = -1), so guard the flip.
+			sh_step++;
+			sh_step%=7;
+			if(sh_step==0) {
+				radar_device.EndScene();
+				radar_device.pDDSFront->Flip(0,DDFLIP_DONOTWAIT|DDFLIP_NOVSYNC);
+				mfd_device.EndScene();
+				mfd_device.pDDSFront->Flip(0,DDFLIP_DONOTWAIT|DDFLIP_NOVSYNC);
+				if (mfd_device_right.pDDSFront)
+					mfd_device_right.pDDSFront->Flip(0,DDFLIP_DONOTWAIT|DDFLIP_NOVSYNC);
+			}
+			break;
 		}
 	}else if(hsh_mrdev_initialized){
 		mr_device.EndScene();

Gameleap/code/CoreTech/Libraries/GameOS/render.cpp

@@ -945,6 +945,8 @@ void CHSH_Device::DrawTexture(float pt[4][2],DWORD dwColor,float tx1,float ty1,f
 
 extern int g_nDualHead;
 extern int g_nNonDualHead;
+extern int g_nMFD1;  // mode 4: left 640x480 MFD monitor
+extern int g_nMFD2;  // mode 4: right 640x480 MFD monitor
 // MSL 5.03 Mechview
 extern int g_nMechViewType; // jcem : 0 - no mechview, 1 - on radar screen, 2 - on main screen
 
@@ -1066,6 +1068,23 @@ bool CMR_Device::LoadMRTargetTexture(const char *mechtexturename)
 
 CMR_Device mr_device;
 
+// Mode 4: the right-hand 640x480 MFD device.  Shares VRAM with mfd_device
+// (same GPU), so mfd_device's pDDSTarget texture can be passed to this
+// device's pD3DDevice->SetTexture without a copy.
+CMFDRight_Device mfd_device_right;
+
+bool CMFDRight_Device::InitFirst()
+{
+	// Take over g_nMFD2 monitor at 640x480 fullscreen.
+	return CHSH_Device::InitFirst(g_nMFD2, 640, 480);
+}
+
+bool CMFDRight_Device::InitSecond()
+{
+	// Create flip chain, D3D device and a render-target slot (1024x512).
+	return CHSH_Device::InitSecond(1024, 512);
+}
+
 /////////////////////////////////// CRadar_Device ///////////////////////////////////
 const char g_szRadarShutdown[] = "SHUT\nDOWN";
 const char g_szRadarStartup[] = "START\nUP";
@@ -1349,7 +1368,7 @@ static DWORD channel_color[6]={
 
 
 CMFD_Device::CMFD_Device()
-	: ch((DWORD)-1)
+	: ch((DWORD)-1), m_pRightDevice(NULL)
 {
 }
 
@@ -1359,6 +1378,15 @@ CMFD_Device::~CMFD_Device()
 
 bool CMFD_Device::InitFirst()
 {
+	// Mode 4: use g_nMFD1 (640x480) for left panel; also start up the right
+	// device here so both displays are ready before InitSecond runs.
+	if (g_nTypeOfMFDs == 4) {
+		m_pRightDevice = &mfd_device_right;
+		CHSH_Device::InitFirst(g_nMFD1, 640, 480);  // left device
+		mfd_device_right.InitFirst();                // right device display mode
+		return true;
+	}
+	m_pRightDevice = NULL;
 	return CHSH_Device::InitFirst(g_nDualHead,1280,480);
 }
 
@@ -1409,6 +1437,11 @@ bool CMFD_Device::InitSecond()
 	pD3DDevice->SetMaterial( &mtrl );
 	pD3DDevice->SetRenderState( D3DRENDERSTATE_AMBIENT, 0xffffffff );
 
+	// Mode 4: create flip chain + D3D device for the right 640x480 monitor.
+	if (g_nTypeOfMFDs == 4 && m_pRightDevice) {
+		mfd_device_right.InitSecond();
+	}
+
 	return true;
 }
 
@@ -1450,6 +1483,11 @@ bool CMFD_Device::BeginChannel(DWORD channel)
 			return false;
 		}
 		break;
+	case 4:
+		// Same 7-step timing as mode 1: channels 0-4 map to sh_step 2-6.
+		if (sh_step != (int)(channel + 2))
+			return false;
+		break;
 	}
 	ch=channel;
 
@@ -1475,8 +1513,42 @@ bool CMFD_Device::EndChannel()
         gCaptureScreen = 0;
 	}
 
-	SetRenderTargetBackbuffer();
-	pD3DDevice->BeginScene();
+	// Mode 4: route this channel's blit to the correct physical monitor.
+	// Handled here, before the modes 1-3 SetRenderTargetBackbuffer/BeginScene
+	// block, so each path has exactly one matched Begin/EndScene pair.
+	// Channels 0-2 go to the LEFT device (this, g_nMFD1).
+	// Channels 3-4 go to the RIGHT device (m_pRightDevice, g_nMFD2).
+	// pDDSTarget was created by this device's pDD; both devices are on the
+	// same GPU so VRAM textures are mutually accessible.
+	if (g_nTypeOfMFDs == 4 && m_pRightDevice) {
+		CHSH_Device* target = (ch >= 3) ? m_pRightDevice : static_cast<CHSH_Device*>(this);
+		target->SetRenderTargetBackbuffer();
+		target->pD3DDevice->BeginScene();
+
+		target->pD3DDevice->SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE,TRUE);
+		target->pD3DDevice->SetRenderState(D3DRENDERSTATE_SRCBLEND,D3DBLEND_ONE);
+		target->pD3DDevice->SetRenderState(D3DRENDERSTATE_DESTBLEND,D3DBLEND_ONE);
+
+		target->pD3DDevice->SetTexture(0, pDDSTarget);
+
+		DWORD color4 = channel_color[ch];
+		float w4   = (float)target->size_back.cx;  // 640
+		float h4   = (float)target->size_back.cy;  // 480
+		float w2_4 = (float)size_target.cx;        // 1024
+		float h2_4 = (float)size_target.cy;        // 512
+		D3DTLVERTEX V4[4];
+		V4[0]=D3DTLVERTEX(D3DVECTOR(   -0.5f,h4-0.5f,0.9f),1.0f,color4,0,    0/w2_4,h4/h2_4);
+		V4[1]=D3DTLVERTEX(D3DVECTOR(   -0.5f,  -0.5f,0.9f),1.0f,color4,0,    0/w2_4,   0/h2_4);
+		V4[2]=D3DTLVERTEX(D3DVECTOR(w4-0.5f,h4-0.5f,0.9f),1.0f,color4,0,w4/w2_4,h4/h2_4);
+		V4[3]=D3DTLVERTEX(D3DVECTOR(w4-0.5f,  -0.5f,0.9f),1.0f,color4,0,w4/w2_4,   0/h2_4);
+		target->pD3DDevice->DrawPrimitive(D3DPT_TRIANGLESTRIP,D3DFVF_TLVERTEX,V4,4,NULL);
+
+		target->pD3DDevice->EndScene();
+		ch = (DWORD)-1;
+	} else {
+		// Modes 1-3: blit to half of the single 1280-wide (or 640-wide) backbuffer.
+		SetRenderTargetBackbuffer();
+		pD3DDevice->BeginScene();
 
 		pD3DDevice->SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE,TRUE);
 		pD3DDevice->SetRenderState(D3DRENDERSTATE_SRCBLEND,D3DBLEND_ONE);
@@ -1504,8 +1576,9 @@ bool CMFD_Device::EndChannel()
 
 		pD3DDevice->DrawPrimitive( D3DPT_TRIANGLESTRIP, D3DFVF_TLVERTEX , Vertices, 4, NULL );
 
-	pD3DDevice->EndScene();
-	ch = (DWORD)-1;
+		pD3DDevice->EndScene();
+		ch = (DWORD)-1;
+	}
   }
 	return true;
 }
@@ -1533,6 +1606,25 @@ bool CMFD_Device::BeginScene()
 		pD3DDevice->Clear(1,&s_rc2,D3DCLEAR_TARGET ,0,1.0f,0);
 		//pD3DDevice->Clear(0,NULL,D3DCLEAR_TARGET ,0,1.0f,0);
 		}break;
+	case 4:
+		// Clear and draw background grid on the LEFT device.
+		SetRenderTargetBackbuffer();
+		pD3DDevice->Clear(0,NULL,D3DCLEAR_TARGET,0,1.0f,0);
+		pD3DDevice->BeginScene();
+		if(sh_game_started) DrawMFDBackGrid();
+		pD3DDevice->EndScene();
+		// Clear and draw background grid on the RIGHT device.
+		if (m_pRightDevice) {
+			m_pRightDevice->SetRenderTargetBackbuffer();
+			m_pRightDevice->pD3DDevice->Clear(0,NULL,D3DCLEAR_TARGET,0,1.0f,0);
+			m_pRightDevice->pD3DDevice->BeginScene();
+			if(sh_game_started) {
+				m_pRightDevice->pD3DDevice->SetTexture(0,0);
+				m_pRightDevice->DrawQuadList(8,rcs640_solo,0xFFFFFFFF);
+			}
+			m_pRightDevice->pD3DDevice->EndScene();
+		}
+		return true;  // skip the common BeginScene/DrawGrid/EndScene below
 	}
 	pD3DDevice->BeginScene();
 	if(sh_game_started) {
@@ -1559,6 +1651,11 @@ bool CMFD_Device::Release()
 		SAFE_RELEASE(pDDSDamageTexture);
 // MSL 5.03 Target Damage Display
 		SAFE_RELEASE(pDDSTargetTexture);
+		// Mode 4: release the right device before releasing this (left) device.
+		if (g_nTypeOfMFDs == 4 && m_pRightDevice) {
+			m_pRightDevice->Release();
+			m_pRightDevice = NULL;
+		}
 		CHSH_Device::Release();
 	}
 	return true;
@@ -1700,6 +1797,19 @@ static RECT rcs640[8]={
 	{1120-1,440,1120+1,480},
 };
 
+// Mode 4: same grid pattern as rcs640 but offset to x=0 for a standalone
+// 640x480 surface (left half of rcs1280).
+static RECT rcs640_solo[8]={
+	{0,40,640,42},
+	{ 160-1,0, 160+1,40},
+	{ 320-1,0, 320+1,40},
+	{ 480-1,0, 480+1,40},
+	{0,480-42,640,480-40},
+	{ 160-1,440, 160+1,480},
+	{ 320-1,440, 320+1,480},
+	{ 480-1,440, 480+1,480},
+};
+
 bool CMFD_Device::DrawMFDBackGrid()
 {
 	pD3DDevice->SetTexture(0,0);
@@ -1714,6 +1824,11 @@ bool CMFD_Device::DrawMFDBackGrid()
 	case 2:
 		DrawQuadList(8,rcs640,0xFFFFFFFF);
 		break;
+	case 4:
+		// Left device uses the left-half grid (0..640).
+		// Right device grid is drawn separately in BeginScene.
+		DrawQuadList(8,rcs640_solo,0xFFFFFFFF);
+		break;
 	}
 
 	return true;
@@ -2489,6 +2604,9 @@ bool IsMultimonitorAvaliable()
 		if ((*g_pfnCTCL_GetType)()==_ECTCL_CameraShip)
             return false;
     }
+	// Mode 4 uses its own device slots ? g_nDualHead is not required.
+	if (g_nTypeOfMFDs == 4)
+		return (g_nMFD1 != -1 && g_nMFD2 != -1);
 	if (g_nDualHead != -1) {
 		// 0 - no MFDs, 1 - orginal(5+1=dual & single), 2 - B&W(3 + 1=1 dual), 3 - color(3 + 1=2 dual)
 		switch(g_nTypeOfMFDs)

Gameleap/code/CoreTech/Libraries/GameOS/render.hpp

@@ -169,6 +169,7 @@ public:
 	LPDIRECTDRAWSURFACE7 pDDSTargetTexture;//메크 데미지 텍스쳐..
 
 	DWORD ch;						//current channel....
+	CHSH_Device* m_pRightDevice;	// mode 4: pointer to right 640x480 device (NULL in modes 1-3)
 public:
 	CMFD_Device();
 	~CMFD_Device();
@@ -189,6 +190,19 @@ public:
 	bool DrawMFDDefaultBackAux1(int state);
 };
 
+// Mode 4 (split dual 640x480): right-side MFD device on its own 640x480 monitor.
+// Same GPU as the left device (mfd_device), so VRAM textures are shared.
+class CMFDRight_Device : public CHSH_Device
+{
+public:
+	CMFDRight_Device() {}
+	bool InitFirst();
+	bool InitSecond();
+	virtual bool BeginScene() { return true; }
+	virtual bool EndScene()   { return true; }
+	virtual bool Release()    { return CHSH_Device::Release(); }
+};
+
 class CMR_Device:public CHSH_Device
 {
 public:
@@ -212,6 +226,7 @@ void HSH_DirectDrawRelease2();
 
 extern CRadar_Device radar_device;
 extern CMFD_Device mfd_device;
+extern CMFDRight_Device mfd_device_right;
 extern CMR_Device mr_device;
 extern bool use_shgui;
 extern int sh_step;

Gameleap/code/mw4/Code/MW4/MW4Shell.cpp

@@ -14820,6 +14820,10 @@ void __stdcall CTCL_UpdateMechView()
 				mfd_device.BeginScene();
 			    sh_step = 4;
                 break;
+		    case 4:
+			    // Same 7-step cadence as mode 1.
+			    sh_step = 6;
+			    break;
             }
         }
 		else

Gameleap/code/mw4/Code/MW4Application/MW4Application.cpp

@@ -1440,7 +1440,7 @@ int WINAPI WinMain( HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpCmdLine, int n
 	if (token && token[7])
 	{
         int n = atoi(&token[7]);
-		if ((0 <= n) && (n <= 3)) // 0 - no MFDs, 1 - orginal(5+1=dual & single), 2 - B&W(3 + 1=1 dual), 3 - color(3 + 1=2 dual)
+		if ((0 <= n) && (n <= 4)) // 0 - no MFDs, 1 - orginal(5+1=dual & single), 2 - B&W(3 + 1=1 dual), 3 - color(3 + 1=2 dual), 4 - split dual 640x480
 			g_nTypeOfMFDs = n;
 	}
 	token = strstr(all_lower, "-trio ");