From 1f3b1e1c99e92dd1193abe1c48b6334c0ef6d806 Mon Sep 17 00:00:00 2001
From: Eladash <elad3356p@gmail.com>
Date: Thu, 16 Sep 2021 02:34:20 +0300
Subject: [PATCH] Implement Emulator::GetFakeCat()

I still have nightmares about that cat.
---
 rpcs3/Emu/Cell/Modules/cellGame.cpp |  6 ++++--
 rpcs3/Emu/Cell/Modules/sceNp.cpp    |  2 +-
 rpcs3/Emu/System.cpp                | 16 ++++++++++++++++
 rpcs3/Emu/System.h                  |  2 ++
 rpcs3/rpcs3qt/kernel_explorer.cpp   |  2 +-
 5 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/rpcs3/Emu/Cell/Modules/cellGame.cpp b/rpcs3/Emu/Cell/Modules/cellGame.cpp
index ac37014161..10c17b4b9c 100644
--- a/rpcs3/Emu/Cell/Modules/cellGame.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellGame.cpp
@@ -472,7 +472,9 @@ error_code cellGameBootCheck(vm::ptr<u32> type, vm::ptr<u32> attributes, vm::ptr
 	std::string dir;
 	psf::registry sfo;
 
-	if (Emu.GetCat() == "DG")
+	const std::string& cat = Emu.GetFakeCat();
+
+	if (cat == "DG")
 	{
 		*type = CELL_GAME_GAMETYPE_DISC;
 		*attributes = 0; // TODO
@@ -480,7 +482,7 @@ error_code cellGameBootCheck(vm::ptr<u32> type, vm::ptr<u32> attributes, vm::ptr
 
 		sfo = psf::load_object(fs::file(vfs::get("/dev_bdvd/PS3_GAME/PARAM.SFO")));
 	}
-	else if (Emu.GetCat() == "GD")
+	else if (cat == "GD")
 	{
 		*type = CELL_GAME_GAMETYPE_DISC;
 		*attributes = CELL_GAME_ATTRIBUTE_PATCH; // TODO
diff --git a/rpcs3/Emu/Cell/Modules/sceNp.cpp b/rpcs3/Emu/Cell/Modules/sceNp.cpp
index 704eeefc29..95a7bd3a4a 100644
--- a/rpcs3/Emu/Cell/Modules/sceNp.cpp
+++ b/rpcs3/Emu/Cell/Modules/sceNp.cpp
@@ -458,7 +458,7 @@ error_code npDrmIsAvailable(vm::cptr<u8> k_licensee_addr, vm::cptr<char> drm_pat
 		sceNp.notice("npDrmIsAvailable(): KLicense key %s", std::bit_cast<be_t<u128>>(k_licensee));
 	}
 
-	if (Emu.GetCat() == "PE")
+	if (Emu.GetFakeCat() == "PE")
 	{
 		std::memcpy(&k_licensee, NP_PSP_KEY_2, sizeof(k_licensee));
 		sceNp.success("npDrmIsAvailable(): PSP remaster KLicense key applied.");
diff --git a/rpcs3/Emu/System.cpp b/rpcs3/Emu/System.cpp
index 033bb298e5..0e1461216c 100644
--- a/rpcs3/Emu/System.cpp
+++ b/rpcs3/Emu/System.cpp
@@ -1906,4 +1906,20 @@ bool Emulator::IsPathInsideDir(std::string_view path, std::string_view dir) cons
 	return (GetCallbacks().resolve_path(path) + '/').starts_with(GetCallbacks().resolve_path(dir) + '/');
 };
 
+const std::string& Emulator::GetFakeCat() const
+{
+	if (m_cat == "DG")
+	{
+		const std::string mount_point = vfs::get("/dev_bdvd");
+
+		if (mount_point.empty() || !IsPathInsideDir(m_path, mount_point))
+		{
+			static const std::string s_hg = "HG";
+			return s_hg;
+		}
+	}
+
+	return m_cat;
+};
+
 Emulator Emu;
diff --git a/rpcs3/Emu/System.h b/rpcs3/Emu/System.h
index 37e9712dc1..c59b38fb24 100644
--- a/rpcs3/Emu/System.h
+++ b/rpcs3/Emu/System.h
@@ -189,6 +189,8 @@ public:
 		return m_cat;
 	}
 
+	const std::string& GetFakeCat() const;
+
 	const std::string& GetDir() const
 	{
 		return m_dir;
diff --git a/rpcs3/rpcs3qt/kernel_explorer.cpp b/rpcs3/rpcs3qt/kernel_explorer.cpp
index d16ae720e4..7efd940c85 100644
--- a/rpcs3/rpcs3qt/kernel_explorer.cpp
+++ b/rpcs3/rpcs3qt/kernel_explorer.cpp
@@ -312,7 +312,7 @@ void kernel_explorer::update()
 	root->setText(0, qstr(fmt::format("Process 0x%08x: Total Memory Usage: 0x%x/0x%x (%0.2f/%0.2f MB)", process_getpid(), total_memory_usage, dct->size, 1. * total_memory_usage / (1024 * 1024)
 		, 1. * dct->size / (1024 * 1024))));
 
-	add_solid_node(find_node(root, additional_nodes::process_info), qstr(fmt::format("Process Info, Sdk Version: 0x%08x, PPC SEG: %#x, SFO Category: %s", g_ps3_process_info.sdk_ver, g_ps3_process_info.ppc_seg, Emu.GetCat())));
+	add_solid_node(find_node(root, additional_nodes::process_info), qstr(fmt::format("Process Info, Sdk Version: 0x%08x, PPC SEG: %#x, SFO Category: %s (Fake: %s)", g_ps3_process_info.sdk_ver, g_ps3_process_info.ppc_seg, Emu.GetCat(), Emu.GetFakeCat())));
 
 	auto display_program_segments = [this](QTreeWidgetItem* tree, const ppu_module& m)
 	{