custom GSC loading

src/client/component/script.cpp

@@ -12,6 +12,8 @@ namespace script
 {
 	namespace
 	{
+		constexpr size_t GSC_MAGIC = 0x1C000A0D43534780;
+
 		utils::hook::detour db_findxassetheader_hook;
 		utils::hook::detour gscr_get_bgb_remaining_hook;
 
@@ -23,11 +25,6 @@ namespace script
 			return (itr == loaded_scripts.end()) ? nullptr : itr->second;
 		}
 
-		void print_loading_script(const std::string& name)
-		{
-			printf("Loading GSC script '%s'\n", name.data());
-		}
-
 		void load_script(std::string& name, const std::string& data)
 		{
 			auto& allocator = *utils::memory::get_allocator();
@@ -49,11 +46,14 @@ namespace script
 			}
 
 			auto* rawfile = allocator.allocate<game::RawFile>();
-			rawfile->name = name.c_str();
+			rawfile->name = name.data();
 			rawfile->buffer = file_string;
 			rawfile->len = static_cast<int>(data.length());
 
 			loaded_scripts[name] = rawfile;
+
+			const auto base_name = name.substr(0, name.size() - 4); // .gsc suffix will be readded by Scr_LoadScript
+			game::Scr_LoadScript(game::SCRIPTINSTANCE_SERVER, base_name.data());
 		}
 
 		void load_scripts_folder(const std::string& script_dir)
@@ -64,16 +64,19 @@ namespace script
 			}
 
 			const auto scripts = utils::io::list_files(script_dir);
-
 			for (const auto& script : scripts)
 			{
 				std::string data;
 				auto script_file = script.generic_string();
 				if (!std::filesystem::is_directory(script) && utils::io::read_file(script_file, &data))
 				{
-					print_loading_script(script_file);
+					if (data.size() >= sizeof(GSC_MAGIC) && !std::memcmp(data.data(), &GSC_MAGIC, sizeof(GSC_MAGIC)))
+					{
+						auto base_name = script_file.substr(0, script_file.size() - 4);
+						printf("Loading GSC script '%s'\n", base_name.data());
 						load_script(script_file, data);
 					}
+				}
 				else if (std::filesystem::is_directory(script))
 				{
 					load_scripts_folder(script_file);
@@ -86,7 +89,8 @@ namespace script
 			loaded_scripts = {};
 			const utils::nt::library host{};
 			load_scripts_folder((game::get_appdata_path() / "data/scripts").string());
-			load_scripts_folder((host.get_folder() / "boiii/scripts").string());
+			auto path = (host.get_folder() / "boiii/scripts").string();
+			load_scripts_folder(path);
 		}
 
 		game::RawFile* db_findxassetheader_stub(const game::XAssetType type, const char* name,
@@ -104,9 +108,10 @@ namespace script
 			auto* script = get_loaded_script(name);
 			if (script)
 			{
-				// Copy over the checksum of the original script
+				/*
+				// TODO: don't check checksums for custom GSC, but only for stock scripts we override
 				utils::hook::copy(const_cast<char*>(script->buffer + 0x8), asset_header->buffer + 0x8, 4);
-
+				*/
 				return script;
 			}
 
@@ -117,23 +122,30 @@ namespace script
 		{
 			game::Scr_AddInt(game::SCRIPTINSTANCE_SERVER, 255);
 		}
+
+		utils::hook::detour load_gametype_script_hook;
+
+		void load_gametype_script_stub()
+		{
+			if (!game::Com_IsInGame() || game::Com_IsRunningUILevel())
+			{
+				load_gametype_script_hook.invoke<void>();
+				return;
+			}
+
+			load_gametype_script_hook.invoke<void>();
+			load_scripts();
+		}
 	}
 
 	struct component final : generic_component
 	{
 		void post_unpack() override
 		{
-			if (game::is_server())
-			{
-				load_scripts();
-			}
-			else
-			{
-				scheduler::once(load_scripts, scheduler::pipeline::renderer);
-			}
-
 			db_findxassetheader_hook.create(game::select(0x141420ED0, 0x1401D5FB0), db_findxassetheader_stub);
 			gscr_get_bgb_remaining_hook.create(game::select(0x141A8CAB0, 0x1402D2310), gscr_get_bgb_remaining_stub);
+
+			load_gametype_script_hook.create(0x141AAD850_g, load_gametype_script_stub);
 		}
 	};
 };

src/client/game/structs.hpp

@@ -1814,7 +1814,9 @@ namespace game
 		PlayerSoundsTable* playerSounds;
 		PlayerFXTable* playerFX;
 		SharedWeaponSounds* sharedWeaponSounds;
+		*/
 		RawFile* rawfile;
+		/*
 		StringTable* stringTable;
 		StructuredTable* structuredTable;
 		LeaderboardDef* leaderboardDef;

src/client/game/symbols.hpp

@@ -35,6 +35,7 @@ namespace game
 		0x1420F4E00, 0x1404FE5C0
 	};
 	WEAK symbol<bool()> Com_IsRunningUILevel{0x142148350};
+	WEAK symbol<bool()> Com_IsInGame{0x1421482C0};
 	WEAK symbol<void(int localClientNum, eModes fromMode, eModes toMode, uint32_t flags)> Com_SwitchMode{
 		0x14214A4D0
 	};
@@ -80,6 +81,9 @@ namespace game
 
 	WEAK symbol<qboolean(void* ent)> StuckInClient{0x1415A8360, 0x14023BFE0};
 
+	// GScr
+	WEAK symbol<void()> GScr_LoadGametypeScript{0x14092F680, 0x0};
+
 	// Live
 	WEAK symbol<bool(uint64_t, int*, bool)> Live_GetConnectivityInformation{0x141E0C380};
 
@@ -175,6 +179,7 @@ namespace game
 		0x0, 0x1402F5FF0
 	};
 	WEAK symbol<unsigned int(scriptInstance_t inst)> Scr_GetNumParam{0x0, 0x140171320};
+	WEAK symbol<unsigned int(scriptInstance_t inst, const char* filename)> Scr_LoadScript{0x1412C83F0};
 
 	WEAK symbol<void(const char* name, const char* key, unsigned int playbackFlags, float volume, void* callbackInfo,
 	                 int id)> Cinematic_StartPlayback{0x1412BE3A0};