Backported SkipLoadingGameSettings option from 4.x

artifacts/ddraw.ini

@@ -694,6 +694,10 @@ DisplaySwiftLearnerExp=1
 ;Set to 1 to display party member's current level/AC/addict flag on the combat control panel
 PartyMemberExtraInfo=0
 
+;Set to 1 to skip loading all game settings except the game/combat difficulty from saved games
+;Set to 2 to also skip loading the game/combat difficulty settings
+SkipLoadingGameSettings=0
+
 ;Set to 1 to prevent the inventory/loot/automap interfaces from being placed on top of other script-created windows
 InterfaceDontMoveOnTop=0
 

sfall/FalloutEngine.h

@@ -287,6 +287,8 @@
 #define _DARK_GREY_Color            0x6A59D8
 #define _DarkGreenColor             0x6A3A90
 #define _DarkGreenGreyColor         0x6A3DF1
+#define _DarkRedColor               0x6AA8D0
+#define _DarkYellowColor            0x6AB472
 #define _DullPinkColor              0x6AB718
 #define _GoodColor                  0x6AB4EF
 #define _GreenColor                 0x6A3CB0
@@ -295,7 +297,7 @@
 #define _PeanutButter               0x6A82F3
 #define _RedColor                   0x6AB4D0
 #define _WhiteColor                 0x6AB8CF
-#define _YellowColor                0x6AB8BB
+#define _YellowColor                0x6AB8BB // Light
 
 // variables
 // TODO: move to separate namespace

sfall/MiscPatches.cpp

@@ -19,6 +19,8 @@
 #include "main.h"
 #include "FalloutEngine.h"
 
+#include "MiscPatches.h"
+
 static char mapName[65]       = {};
 static char configName[65]    = {};
 static char patchName[65]     = {};
@@ -433,6 +435,27 @@ static void DisplaySecondWeaponRangePatch() {
 	//}
 }
 
+static void SkipLoadingGameSettingsPatch() {
+	if (int skipLoading = GetConfigInt("Misc", "SkipLoadingGameSettings", 0)) {
+		dlog("Applying skip loading game settings from saved games patch.", DL_INIT);
+		BlockCall(0x493421);
+		SafeWrite8(0x4935A8, 0x1F);
+		SafeWrite32(0x4935AB, 0x90901B75);
+		CodeData PatchData;
+		if (skipLoading == 2) {
+			const DWORD difficultyAddr[] = {0x49341C, 0x49343B};
+			SafeWriteBatch<CodeData>(PatchData, difficultyAddr);
+		}
+		const DWORD settingsAddr[] = {
+			0x493450, 0x493465, 0x49347A, 0x49348F, 0x4934A4, 0x4934B9, 0x4934CE,
+			0x4934E3, 0x4934F8, 0x49350D, 0x493522, 0x493547, 0x493558, 0x493569,
+			0x49357A
+		};
+		SafeWriteBatch<CodeData>(PatchData, settingsAddr);
+		dlogr(" Done", DL_INIT);
+	}
+}
+
 static void InterfaceDontMoveOnTopPatch() {
 	if (GetConfigInt("Misc", "InterfaceDontMoveOnTop", 0)) { // TODO: remove option? (obsolete)
 		dlog("Applying no MoveOnTop flag for interface patch.", DL_INIT);
@@ -598,6 +621,7 @@ void MiscPatchesInit() {
 
 	DisplaySecondWeaponRangePatch();
 
+	SkipLoadingGameSettingsPatch();
 	InterfaceDontMoveOnTopPatch();
 
 	UseWalkDistancePatch();

sfall/MiscPatches.h

@@ -20,3 +20,12 @@
 
 void MiscPatchesInit();
 void MiscPatchesExit();
+
+#pragma pack(push, 1)
+struct CodeData {
+	DWORD dd;
+	BYTE  db;
+
+	CodeData() : dd(0x0024548D), db(0x90) {}
+};
+#pragma pack(pop)