Add antialiasing and anisotropic filtering support

SADXModLoader/config.cpp

@@ -71,6 +71,8 @@ void LoadModLoaderSettings(LoaderSettings* loaderSettings, std::wstring appPath)
 		loaderSettings->VerticalResolution = json_graphics.value("VerticalResolution", 480);
 		loaderSettings->ForceAspectRatio = json_graphics.value("Enable43ResolutionRatio", false);
 		loaderSettings->EnableVsync = json_graphics.value("EnableVsync", true);
+		loaderSettings->Antialiasing = json_graphics.value("Antialiasing", 0);
+		loaderSettings->Anisotropic = json_graphics.value("Anisotropic", 0);
 		loaderSettings->PauseWhenInactive = json_graphics.value("EnablePauseOnInactive", true);
 		//loaderSettings->WindowedFullscreen = json_graphics.value("EnableBorderless", true);
 		//loaderSettings->CustomWindowSize = json_graphics.value("EnableCustomWindow", false);

SADXModLoader/direct3d.cpp

@@ -1,7 +1,5 @@
 #include "stdafx.h"
-
 #include "direct3d.h"
-
 #include "include/d3d8types.h"
 #include "FixFOV.h"
 #include "uiscale.h"
@@ -10,6 +8,8 @@ DataPointer(D3DVIEWPORT8, Direct3D_ViewPort, 0x3D12780);
 DataPointer(D3DCAPS8, Direct3D_DeviceCaps, 0x03D127C0);
 
 static bool vsync = false;
+static D3DMULTISAMPLE_TYPE antialiasing = D3DMULTISAMPLE_NONE;
+static int anisotropy = 0;
 
 // oh god
 static const D3DRENDERSTATETYPE D3DRENDERSTATE_TYPES[] = {
@@ -224,8 +224,6 @@ inline void setup_vsync()
 
 	if (vsync) 
 	{
-		//using D3DSWAPEFFECT_DISCARD here causes stuttering, consider adding a toggle if you really want it. 
-		//p.SwapEffect = d3d9 ? D3DSWAPEFFECT_DISCARD : D3DSWAPEFFECT_COPY_VSYNC;
 		p.SwapEffect = D3DSWAPEFFECT_COPY_VSYNC;
 		p.FullScreen_PresentationInterval = (IsWindowed && !d3d9) ? D3DPRESENT_INTERVAL_DEFAULT : D3DPRESENT_INTERVAL_ONE;
 	}
@@ -236,6 +234,31 @@ inline void setup_vsync()
 	}
 }
 
+inline void setup_aa()
+{
+	if (!antialiasing)
+		return;
+
+	auto& p = PresentParameters;
+
+	D3DMULTISAMPLE_TYPE MSType = D3DMULTISAMPLE_NONE;
+
+	if (antialiasing >= 16 && SUCCEEDED(Direct3D_Object->CheckDeviceMultiSampleType(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, PresentParameters.BackBufferFormat, PresentParameters.Windowed, D3DMULTISAMPLE_16_SAMPLES)))
+		MSType = D3DMULTISAMPLE_16_SAMPLES;
+	else if (antialiasing >= 8 && SUCCEEDED(Direct3D_Object->CheckDeviceMultiSampleType(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, PresentParameters.BackBufferFormat, PresentParameters.Windowed, D3DMULTISAMPLE_8_SAMPLES)))
+		MSType = D3DMULTISAMPLE_8_SAMPLES;
+	else if (antialiasing >= 4 && SUCCEEDED(Direct3D_Object->CheckDeviceMultiSampleType(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, PresentParameters.BackBufferFormat, PresentParameters.Windowed, D3DMULTISAMPLE_4_SAMPLES)))
+		MSType = D3DMULTISAMPLE_4_SAMPLES;
+	else if (antialiasing >= 2 && SUCCEEDED(Direct3D_Object->CheckDeviceMultiSampleType(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, PresentParameters.BackBufferFormat, PresentParameters.Windowed, D3DMULTISAMPLE_2_SAMPLES)))
+		MSType = D3DMULTISAMPLE_2_SAMPLES;
+
+	if (MSType != D3DMULTISAMPLE_NONE)
+	{
+		p.SwapEffect = D3DSWAPEFFECT_DISCARD;
+		p.MultiSampleType = MSType;
+	}
+}
+
 void __fastcall CreateDirect3DDevice_r(void*, int behavior, D3DDEVTYPE type)
 {
 	if (Direct3D_Device != nullptr)
@@ -245,13 +268,22 @@ void __fastcall CreateDirect3DDevice_r(void*, int behavior, D3DDEVTYPE type)
 
 	setup_vsync();
 
+	setup_aa();
+
 	auto result = Direct3D_Object->CreateDevice(DisplayAdapter, type, PresentParameters.hDeviceWindow,
 	                                            behavior, &PresentParameters, &Direct3D_Device);
 
 	if (FAILED(result))
 	{
 		Direct3D_Device = nullptr;
 	}
+	else
+	{
+		if (antialiasing != D3DMULTISAMPLE_NONE)
+			Direct3D_Device->SetRenderState(D3DRS_MULTISAMPLEANTIALIAS, TRUE);
+		if (anisotropy)
+			Direct3D_Device->SetTextureStageState(0, D3DTSS_MAXANISOTROPY, anisotropy);
+	}	
 }
 
 void __cdecl Direct3D_EndScene_r();
@@ -298,6 +330,16 @@ void direct3d::set_vsync(bool value)
 	vsync = value;
 }
 
+void direct3d::set_aa(int value)
+{
+	antialiasing = (D3DMULTISAMPLE_TYPE)value;
+}
+
+void direct3d::set_af(int value)
+{
+	anisotropy = value;
+}
+
 void direct3d::reset_device()
 {
 	const auto retry_count = 5;
@@ -306,6 +348,7 @@ void direct3d::reset_device()
 	Uint32 tries = 0;
 
 	setup_vsync();
+	setup_aa();
 
 	auto level = D3DERR_DEVICENOTRESET;
 	RaiseEvents(modRenderDeviceLost);

SADXModLoader/direct3d.h

@@ -89,6 +89,8 @@ namespace direct3d
 {
 	void init();
 	void set_vsync(bool value);
+	void set_aa(int value);
+	void set_af(int value);
 	void reset_device();
 	void change_resolution(uint32_t width, uint32_t height);
 	void change_resolution(uint32_t width, uint32_t height, bool windowed);

SADXModLoader/dllmain.cpp

@@ -384,6 +384,12 @@ void __cdecl Direct3D_TextureFilterPoint_ForceLinear()
 	Direct3D_Device->SetTextureStageState(0, D3DTSS_MAGFILTER, D3DTEXF_LINEAR);
 	Direct3D_Device->SetTextureStageState(0, D3DTSS_MINFILTER, D3DTEXF_LINEAR);
 	Direct3D_Device->SetTextureStageState(0, D3DTSS_MIPFILTER, D3DTEXF_LINEAR);
+	// Maybe use D3DTEXF_ANISOTROPIC here instead? Not sure
+	/*
+	Direct3D_Device->SetTextureStageState(0, D3DTSS_MAGFILTER, loaderSettings.Anisotropic ? D3DTEXF_ANISOTROPIC : D3DTEXF_LINEAR);
+	Direct3D_Device->SetTextureStageState(0, D3DTSS_MINFILTER, loaderSettings.Anisotropic ? D3DTEXF_ANISOTROPIC : D3DTEXF_LINEAR);
+	Direct3D_Device->SetTextureStageState(0, D3DTSS_MIPFILTER, loaderSettings.Anisotropic ? D3DTEXF_ANISOTROPIC : D3DTEXF_LINEAR);
+	*/
 }
 
 void __cdecl SetPreferredFilterOption()
@@ -909,13 +915,21 @@ static void __cdecl InitMods()
 
 	PatchWindow(loaderSettings); // override window creation function
 
-	// Other various settings.
+	// Other various settings
 	if (IsGamePatchEnabled("DisableCDCheck"))
 		WriteJump((void*)0x402621, (void*)0x402664);
 
 	if (loaderSettings.AutoMipmap)
 		mipmap::enable_auto_mipmaps();
 
+	if (loaderSettings.Anisotropic)
+	{
+		// gjRender2DReset: set MIN/MIP/MAG filter to anisotropic instead of linear
+		WriteData<1>((char*)0x0078B808, (char)D3DTEXF_ANISOTROPIC);
+		WriteData<1>((char*)0x0078B81C, (char)D3DTEXF_ANISOTROPIC);
+		WriteData<1>((char*)0x0078B830, (char)D3DTEXF_ANISOTROPIC);
+	}
+
 	// Hijack a ton of functions in SADX.
 	*(void**)0x38A5DB8 = (void*)0x38A5D94; // depth buffer fix
 	WriteData((short*)0x50473E, (short)0x00EB); // File select bullshit lol
@@ -949,6 +963,8 @@ static void __cdecl InitMods()
 	}
 
 	direct3d::set_vsync(loaderSettings.EnableVsync);
+	direct3d::set_aa(loaderSettings.Antialiasing);
+	direct3d::set_af(loaderSettings.Anisotropic);
 
 	if (loaderSettings.ScaleHud)
 	{

SADXModLoader/include/SADXModInfo.h

@@ -12,7 +12,7 @@
 #include "WeightInfo.h"
 
  // SADX Mod Loader API version.
-static const int ModLoaderVer = 25;
+static const int ModLoaderVer = 26;
 
 // Patch-type codes
 struct PatchInfo
@@ -103,7 +103,9 @@ struct LoaderSettings
 	// Graphics
 	int ScreenMode;				// Window Mode (Windowed, Fullscreen, Borderless Fullscren, or Custom Window); requires version 20+
 	bool ShowMouseInFullscreen;	// Displays Cursor when in Fullscreen; requires version 20+
-	bool DisableBorderImage; // Requires version >= 25.
+	bool DisableBorderImage; // Requires version >= 25
+	int Antialiasing; // Requires version >= 26
+	int Anisotropic; // Requires version >= 26
 };
 
 struct ModDependency