Restored loading global shaders at game start from pre-3.0

Added GlobalShaderFile option to ddraw.ini.
Added an example global shader file to modderspack.
Minor edits to HeroAppearance.cpp.

artifacts/ddraw.ini

@@ -64,6 +64,10 @@ Mode=0
 GraphicsWidth=0
 GraphicsHeight=0
 
+;Uncomment the option to use a hardware shader (requires DX9 graphics mode 4 or 5)
+;The shader file <name>.fx must be placed in data\shaders\ and must contain one technique with one or more passes
+;GlobalShaderFile=global.fx
+
 ;Set to 1 to do the palette conversion on the GPU
 ;Set to 2 to do the palette conversion on the CPU
 ;Set to 0 to pick automatically

artifacts/example_mods/GlobalShaders/global.fx

@@ -0,0 +1,116 @@
+// Status: WIP
+
+texture bloomMap;
+sampler s0;
+
+sampler BloomSampler : samplerstate
+{
+	Texture = bloomMap;
+	MinFilter = Linear;
+	MagFilter = Linear;
+	AddressU = Clamp;
+	AddressV = Clamp;
+};
+
+// pseudo gauss blur
+static const float2 offsets[12] = {
+	-0.326212, -0.405805,
+	-0.840144, -0.073580,
+	-0.695914,  0.457137,
+	-0.203345,  0.620716,
+	 0.962340, -0.194983,
+	 0.473434, -0.480026,
+	 0.519456,  0.767022,
+	 0.185461, -0.893124,
+	 0.507431,  0.064425,
+	 0.896420,  0.412458,
+	-0.321940, -0.932615,
+	-0.791559, -0.597705,
+};
+
+float w;
+float h;
+static const float2 resolution = float2(w, h);
+
+// blur setting
+static const float blurFalloff = 8;
+static const float sharpness = 4;
+
+float4 AdjustSaturation(float4 color, float saturation) {
+	float grey = dot(color, float3(0.3, 0.59, 0.11));
+
+	return lerp(grey, color, saturation);
+}
+
+float Brightness(float3 color)
+{
+	return color.r * color.g - 0.75 * color.b;
+}
+
+float3 BlurFunction(float2 uv, float brightness, inout float totalWeight)
+{
+	float3 pointColor =(tex2Dlod(s0, float4(uv, 0, 0)).rgb);
+	float diff = abs(brightness - Brightness(pointColor));
+	float weight = exp2(-0.25 * blurFalloff - diff * sharpness);
+	totalWeight += weight;
+
+	return pointColor * weight;
+}
+
+float4 BlurPS(float2 uv : TEXCOORD0, uniform float2 delta) : COLOR0
+{
+	float3 sumColor = (tex2D(s0, uv).rgb);
+	float totalWeight = 1;
+	float brightness = Brightness(sumColor);
+	delta *= (1 / resolution);
+	float radius = 1;
+
+		float2 pointUV = uv + delta * radius;
+		  sumColor += BlurFunction(pointUV, brightness, totalWeight);
+		pointUV = uv - delta * radius;
+		  sumColor += BlurFunction(pointUV, brightness, totalWeight);
+
+	return float4((sumColor / totalWeight),1);
+//	return AdjustSaturation(Color, 0.5);
+}
+
+float4 BloomT(float2 texCoord : TEXCOORD0) : COLOR0 {
+	float4 c = tex2D(s0, texCoord);
+	float BloomThreshold = 0.2;
+
+	return saturate((c - BloomThreshold) / (1 - BloomThreshold));
+}
+
+float4 Bloom(float4 color : COLOR0, float2 texCoord : TEXCOORD0) : COLOR0 {
+	float BaseIntensity = 1.0;
+	float BaseSaturation = 1;
+	float BloomIntensity = 1; // 0.4
+	float BloomSaturation = 0.5;
+	float BlurPower = 0.01;
+	float BloomThreshold = 0.5;
+
+	float4 original = tex2D(s0, texCoord);
+
+	// blur
+	float4 sum = tex2D(s0, texCoord);
+	for(int i = 0; i < 12; i++){
+		sum += tex2D(s0, texCoord + BlurPower * offsets[i]);
+	}
+	sum /= 13;
+
+	original = AdjustSaturation(original, BaseSaturation) * BaseIntensity;
+	sum = AdjustSaturation(sum, BloomSaturation) * BloomIntensity;
+
+	sum = saturate((sum - BloomThreshold) / (1 - BloomThreshold));
+
+	return sum + original;
+//	return sum;
+}
+
+technique Blur
+{
+//	pass P2 { PixelShader = compile ps_2_0 BloomT(); }
+//	pass P3 { PixelShader = compile ps_2_0 Bloom();  }
+	Pass P0 { PixelShader = compile ps_3_0 BlurPS(float2(1, 0)); }
+	Pass P1 { PixelShader = compile ps_3_0 BlurPS(float2(0, 1)); }
+}

sfall/FalloutEngine.cpp

@@ -157,7 +157,7 @@ DWORD** ptr_partyMemberList           = reinterpret_cast<DWORD**>(_partyMemberLi
 DWORD* ptr_partyMemberMaxCount        = reinterpret_cast<DWORD*>(_partyMemberMaxCount);
 DWORD** ptr_partyMemberPidList        = reinterpret_cast<DWORD**>(_partyMemberPidList);
 DWORD* ptr_patches                    = reinterpret_cast<DWORD*>(_patches);
-DWORD* ptr_paths                      = reinterpret_cast<DWORD*>(_paths);
+PathNode** ptr_paths                  = reinterpret_cast<PathNode**>(_paths); // array
 DWORD* ptr_pc_crit_succ_eff           = reinterpret_cast<DWORD*>(_pc_crit_succ_eff);
 DWORD* ptr_pc_kill_counts             = reinterpret_cast<DWORD*>(_pc_kill_counts);
 char*  ptr_pc_name                    = reinterpret_cast<char*>(_pc_name);

sfall/FalloutEngine.h

@@ -411,7 +411,7 @@ extern DWORD** ptr_partyMemberList; // each struct - 4 integers, first integer -
 extern DWORD* ptr_partyMemberMaxCount;
 extern DWORD** ptr_partyMemberPidList;
 extern DWORD* ptr_patches;
-extern DWORD* ptr_paths;
+extern PathNode** ptr_paths;
 extern DWORD* ptr_pc_crit_succ_eff;
 extern DWORD* ptr_pc_kill_counts;
 extern char*  ptr_pc_name;

sfall/FalloutStructs.h

@@ -236,6 +236,16 @@ public:
 } FrmHeaderData;
 #pragma pack(pop)
 
+//fallout2 path node structure
+#pragma pack(push, 1)
+struct PathNode {
+	char* path;
+	void* pDat;
+	long isDat;
+	PathNode* next;
+};
+#pragma pack(pop)
+
 //for holding window info
 #pragma pack(push, 1)
 struct WINinfo {

sfall/Graphics.cpp

@@ -138,6 +138,9 @@ static float rcpres[2];
 
 static size_t shadersSize;
 
+static bool globalShaderActive = false;
+std::string gShaderFile;
+
 struct sShader {
 	ID3DXEffect* Effect;
 	D3DXHANDLE ehTicks;
@@ -181,11 +184,6 @@ int _stdcall GetShaderVersion() {
 	return ShaderVersion;
 }
 
-void rcpresInit() {
-	rcpres[0] = 1.0f / (float)Gfx_GetGameWidthRes();
-	rcpres[1] = 1.0f / (float)Gfx_GetGameHeightRes();
-}
-
 void _stdcall SetShaderMode(DWORD d, DWORD mode) {
 	if (d >= shadersSize || !shaders[d].Effect) return;
 	if (mode & 0x80000000) {
@@ -195,14 +193,18 @@ void _stdcall SetShaderMode(DWORD d, DWORD mode) {
 	}
 }
 
-int _stdcall LoadShader(const char* path) {
-	if (!GraphicsMode || strstr(path, "..") || strstr(path, ":")) return -1;
+int _stdcall LoadShader(const char* file) {
+	if (!GraphicsMode || strstr(file, "..") || strstr(file, ":")) return -1;
 	char buf[MAX_PATH];
-	sprintf_s(buf, "%s\\shaders\\%s", *(char**)_patches, path);
+	PathNode* pathsPtr = *ptr_paths;
+	sprintf_s(buf, "%s\\shaders\\%s", pathsPtr->path, file);
 	for (DWORD d = 0; d < shadersSize; d++) {
 		if (!shaders[d].Effect) {
-			if (FAILED(D3DXCreateEffectFromFile(d3d9Device, buf, 0, 0, 0, 0, &shaders[d].Effect, 0))) return -1;
-			else return d;
+			if (FAILED(D3DXCreateEffectFromFile(d3d9Device, buf, 0, 0, 0, 0, &shaders[d].Effect, 0))) {
+				return -1;
+			} else {
+				return d;
+			}
 		}
 	}
 	sShader shader = sShader();
@@ -229,6 +231,17 @@ int _stdcall LoadShader(const char* path) {
 	return shadersSize - 1;
 }
 
+static void LoadGlobalShader() {
+	if (!globalShaderActive) return;
+	long index = LoadShader(gShaderFile.c_str());
+	if (index != -1) {
+		shaders[index].Effect->SetInt("w", Gfx_GetGameWidthRes());
+		shaders[index].Effect->SetInt("h", Gfx_GetGameHeightRes());
+		shaders[index].Active = true;
+		dlogr("Global shader file loaded.", DL_INIT);
+	}
+}
+
 void _stdcall ActivateShader(DWORD d) {
 	if (d < shadersSize && shaders[d].Effect) shaders[d].Active = true;
 }
@@ -277,6 +290,13 @@ void _stdcall SetShaderTexture(DWORD d, const char* param, DWORD value) {
 	shaders[d].Effect->SetTexture(param, shaderTextures[value]);
 }
 
+static void WindowInit() {
+	windowInit = true;
+	rcpres[0] = 1.0f / (float)Gfx_GetGameWidthRes();
+	rcpres[1] = 1.0f / (float)Gfx_GetGameHeightRes();
+	LoadGlobalShader();
+}
+
 static void ResetDevice(bool CreateNew) {
 	D3DPRESENT_PARAMETERS params;
 	ZeroMemory(&params, sizeof(params));
@@ -594,6 +614,7 @@ void GraphicsResetOnGameLoad() {
 	for (DWORD d = 0; d < shadersSize; d++) SAFERELEASE(shaders[d].Effect);
 	shaders.clear();
 	shadersSize = 0;
+	LoadGlobalShader();
 }
 
 class FakePalette2 : IDirectDrawPalette {
@@ -927,6 +948,7 @@ public:
 
 	ULONG _stdcall Release() {
 		if (!--Refs) {
+			globalShaderActive = false;
 			GraphicsResetOnGameLoad();
 			for (DWORD d = 0; d < shaderTextures.size(); d++) shaderTextures[d]->Release();
 			shaderTextures.clear();
@@ -1055,6 +1077,9 @@ HRESULT _stdcall FakeDirectDrawCreate2(void*, IDirectDraw** b, void*) {
 		ScrollWindowKey = GetConfigInt("Input", "WindowScrollKey", 0);
 	} else ScrollWindowKey = 0;
 
+	rcpres[0] = 1.0f / (float)gWidth;
+	rcpres[1] = 1.0f / (float)gHeight;
+
 	*b = (IDirectDraw*)new FakeDirectDraw2();
 
 	dlogr(" Done.", DL_MAIN);
@@ -1063,7 +1088,9 @@ HRESULT _stdcall FakeDirectDrawCreate2(void*, IDirectDraw** b, void*) {
 
 static __declspec(naked) void game_init_hook() {
 	__asm {
-		mov  windowInit, 1;
+		push ecx;
+		call WindowInit;
+		pop  ecx;
 		jmp  palette_init_;
 	}
 }
@@ -1085,7 +1112,7 @@ void GraphicsInit() {
 	if (GraphicsMode != 4 && GraphicsMode != 5) {
 		GraphicsMode = 0;
 	}
-	if (GraphicsMode == 4 || GraphicsMode == 5) {
+	if (GraphicsMode) {
 		dlog("Applying DX9 graphics patch.", DL_INIT);
 #ifdef WIN2K
 #define _DLL_NAME "d3dx9_42.dll"
@@ -1104,6 +1131,9 @@ void GraphicsInit() {
 		SafeWrite8(0x50FB6B, '2'); // Set call DirectDrawCreate2
 		HookCall(0x44260C, game_init_hook);
 		dlogr(" Done", DL_INIT);
+
+		gShaderFile = GetConfigString("Graphics", "GlobalShaderFile", "", MAX_PATH);
+		globalShaderActive = (gShaderFile.length() > 3);
 	}
 
 	fadeMulti = GetConfigInt("Graphics", "FadeMultiplier", 100);

sfall/Graphics.h

@@ -39,7 +39,6 @@ long Gfx_GetGameHeightRes();
 void Gfx_SetHeadTex(IDirect3DTexture9* tex, int width, int height, int xoff, int yoff);
 void Gfx_SetHeadTechnique();
 void Gfx_SetDefaultTechnique();
-void rcpresInit();
 
 int _stdcall GetShaderVersion();
 int _stdcall LoadShader(const char*);

sfall/HeroAppearance.cpp

@@ -43,18 +43,10 @@ bool raceButtons = false, styleButtons = false;
 int currentRaceVal = 0, currentStyleVal = 0;     // holds Appearance values to restore after global reset in NewGame2 function in LoadGameHooks.cpp
 DWORD critterListSize = 0, critterArraySize = 0; // Critter art list size
 
-// fallout2 path node structure
-struct sPath {
-	char* path;
-	void* pDat;
-	DWORD isDat;
-	sPath* next;
-};
-
-sPath **heroAppPaths = (sPath**)_paths;
+PathNode **heroAppPaths = ptr_paths;
 // index: 0 - only folder (w/o extension .dat), 1 - file or folder .dat
-sPath *heroPathPtr[2] = {nullptr, nullptr};
-sPath *racePathPtr[2] = {nullptr, nullptr};
+PathNode *heroPathPtr[2] = {nullptr, nullptr};
+PathNode *racePathPtr[2] = {nullptr, nullptr};
 
 // for word wrapping
 typedef struct LineNode {
@@ -757,7 +749,7 @@ static __declspec(noinline) int _stdcall LoadHeroDat(unsigned int race, unsigned
 	}
 
 	heroAppPaths = &heroPathPtr[1 - folderIsExist]; // set path for selected appearance
-	heroPathPtr[0 + heroDatIsExist]->next = *(sPath**)_paths; // heroPathPtr[] >> foPaths
+	heroPathPtr[0 + heroDatIsExist]->next = ptr_paths[0]; // heroPathPtr[] >> foPaths
 
 	if (style != 0) {
 		bool raceDatIsExist = false, folderIsExist = false;
@@ -781,7 +773,7 @@ static __declspec(noinline) int _stdcall LoadHeroDat(unsigned int race, unsigned
 		}
 
 		heroPathPtr[0 + heroDatIsExist]->next = racePathPtr[1 - folderIsExist]; // set path for selected race base appearance
-		racePathPtr[0 + raceDatIsExist]->next = *(sPath**)_paths; // insert racePathPtr in chain path: heroPathPtr[] >> racePathPtr[] >> foPaths
+		racePathPtr[0 + raceDatIsExist]->next = ptr_paths[0]; // insert racePathPtr in chain path: heroPathPtr[] >> racePathPtr[] >> foPaths
 	}
 	return 0;
 }
@@ -1995,13 +1987,13 @@ static void EnableHeroAppearanceMod() {
 	appModEnabled = true;
 
 	// setup paths
-	heroPathPtr[0] = new sPath();
-	racePathPtr[0] = new sPath();
+	heroPathPtr[0] = new PathNode();
+	racePathPtr[0] = new PathNode();
 	heroPathPtr[0]->path = new char[64];
 	racePathPtr[0]->path = new char[64];
 
-	heroPathPtr[1] = new sPath();
-	racePathPtr[1] = new sPath();
+	heroPathPtr[1] = new PathNode();
+	racePathPtr[1] = new PathNode();
 	heroPathPtr[1]->path = new char[64];
 	racePathPtr[1]->path = new char[64];
 

sfall/LoadGameHook.cpp

@@ -291,7 +291,6 @@ static void __stdcall game_init_hook() { // OnGameInit
 }
 
 static void __stdcall GameInitialized() { // OnAfterGameInit
-	if (GraphicsMode) rcpresInit();
 	RemoveSavFiles();
 	SetBoxMaxSlots();
 	if (Use32BitTalkingHeads) TalkingHeadsSetup();