Fixed code.

Author: FakelsHub

sfall/Modules/Interface.cpp

@@ -943,14 +943,12 @@ static void __declspec(naked) main_death_scene_hook() {
 }
 
 static void __declspec(naked) display_body_hook() {
-	static const DWORD display_body_hook_Ret = 0x47098D;
 	__asm {
 		mov  ebx, [esp + 0x60 - 0x28 + 8];
 		cmp  ebx, 1; // check mode 0 or 1
 		jbe  fix;
-		add  esp, 8;
-		mov  dword ptr [esp + 0x60 - 0x40], 0; // frm_ptr
-		jmp  display_body_hook_Ret;
+		xor  ebx, ebx;
+		jmp  fo::funcoffs::art_id_;
 fix:
 		dec  edx;     // USE.FRM
 		mov  ecx, 48; // INVBOX.FRM
@@ -989,15 +987,15 @@ void Interface::init() {
 	if (hrpIsEnabled == false || hrpVersionValid) SafeWrite8(0x481345, 4); // main_death_scene_
 	if (hrpVersionValid) SafeWrite8(HRPAddress(0x10011738), 10);
 
-	// Cosmetic fix for the background image of the character portrait on the inventory and character screens
+	// Cosmetic fix for the background image of the character portrait for the player's inventory screen
 	HookCall(0x47093C, display_body_hook);
 	BYTE code[11] = {
 		0x8B, 0xD3,             // mov  edx, ebx
 		0x66, 0x8B, 0x58, 0xF4, // mov  bx, [eax - 12] [sizeof(frame)]
 		0x0F, 0xAF, 0xD3,       // imul edx, ebx (y * frame width)
 		0x53, 0x90              // push ebx (frame width)
 	};
-	SafeWriteBytes(0x470971, code, 11);
+	SafeWriteBytes(0x470971, code, 11); // calculates the offset in the pixel array for x/y coordinates
 }
 
 void Interface::exit() {

sfall/Modules/Scripting/Handlers/Interface.cpp

@@ -512,9 +512,8 @@ static long GetArtFIDFile(long fid, const char* &file) {
 }
 
 static long DrawImage(OpcodeContext& ctx, bool isScaled) {
-	fo::func::selectWindowID(ctx.program()->currentScriptWin);
-	if (*(DWORD*)FO_VAR_currentWindow == -1) {
-		ctx.printOpcodeError("%s() - no created/selected window for the image.", ctx.getMetaruleName());
+	if (!fo::func::selectWindowID(ctx.program()->currentScriptWin) || *(DWORD*)FO_VAR_currentWindow == -1) {
+		ctx.printOpcodeError("%s() - no created or selected window.", ctx.getMetaruleName());
 		return 0;
 	}
 	long direction = 0;
@@ -785,9 +784,9 @@ void mf_interface_print(OpcodeContext& ctx) { // same as vanilla PrintRect
 }
 
 void mf_win_fill_color(OpcodeContext& ctx) {
-	fo::func::selectWindowID(ctx.program()->currentScriptWin);
+	long result = fo::func::selectWindowID(ctx.program()->currentScriptWin);
 	long iWin = *(DWORD*)FO_VAR_currentWindow;
-	if (iWin == -1) {
+	if (!result || iWin == -1) {
 		ctx.printOpcodeError("%s() - no created or selected window.", ctx.getMetaruleName());
 		ctx.setReturn(-1);
 		return;