steampp: add goldsrc engine checker

Author: craftablescience

include/steampp/steampp.h

@@ -42,6 +42,8 @@ class Steam {
 
 	[[nodiscard]] std::string getAppStoreArtPath(AppID appID) const;
 
+	[[nodiscard]] bool isAppUsingGoldSrcEngine(AppID appID) const;
+
 	[[nodiscard]] bool isAppUsingSourceEngine(AppID appID) const;
 
 	[[nodiscard]] bool isAppUsingSource2Engine(AppID appID) const;

lang/c/include/steamppc/steampp.h

@@ -51,6 +51,8 @@ SOURCEPP_API sourcepp_string_t steampp_get_app_box_art_path(steampp_steam_handle
 // REQUIRES MANUAL FREE: sourcepp_string_free
 SOURCEPP_API sourcepp_string_t steampp_get_app_store_art_path(steampp_steam_handle_t handle, AppID appID);
 
+SOURCEPP_API bool steampp_is_app_using_goldsrc_engine(steampp_steam_handle_t handle, AppID appID);
+
 SOURCEPP_API bool steampp_is_app_using_source_engine(steampp_steam_handle_t handle, AppID appID);
 
 SOURCEPP_API bool steampp_is_app_using_source_2_engine(steampp_steam_handle_t handle, AppID appID);

lang/c/src/steamppc/steampp.cpp

@@ -98,6 +98,12 @@ SOURCEPP_API sourcepp_string_t steampp_get_app_store_art_path(steampp_steam_hand
 	return Convert::toString(Convert::steam(handle)->getAppStoreArtPath(appID));
 }
 
+SOURCEPP_API bool steampp_is_app_using_goldsrc_engine(steampp_steam_handle_t handle, AppID appID) {
+	SOURCEPP_EARLY_RETURN_VAL(handle, false);
+
+	return Convert::steam(handle)->isAppUsingGoldSrcEngine(appID);
+}
+
 SOURCEPP_API bool steampp_is_app_using_source_engine(steampp_steam_handle_t handle, AppID appID) {
 	SOURCEPP_EARLY_RETURN_VAL(handle, false);
 

lang/python/src/steampp.h

@@ -28,6 +28,7 @@ inline void register_python(py::module_& m) {
 		.def("get_app_logo_path",            &Steam::getAppLogoPath,          py::arg("appID"))
 		.def("get_app_box_art_path",         &Steam::getAppBoxArtPath,        py::arg("appID"))
 		.def("get_app_store_art_path",       &Steam::getAppStoreArtPath,      py::arg("appID"))
+		.def("is_app_using_goldsrc_engine",  &Steam::isAppUsingGoldSrcEngine, py::arg("appID"))
 		.def("is_app_using_source_engine",   &Steam::isAppUsingSourceEngine,  py::arg("appID"))
 		.def("is_app_using_source_2_engine", &Steam::isAppUsingSource2Engine, py::arg("appID"))
 		.def("__bool__",                     &Steam::operator bool,           py::is_operator());

src/steampp/cache/EngineGoldSrc.inl

@@ -0,0 +1,31 @@
+632730, // Base Defense
+10, // Counter-Strike
+273110, // Counter-Strike Nexon
+80, // Counter-Strike: Condition Zero
+100, // Counter-Strike: Condition Zero Deleted Scenes
+223710, // Cry of Fear
+30, // Day of Defeat
+40, // Deathmatch Classic
+1707900, // Delta Particles
+70, // Half-Life
+1889470, // Half-Life Decay: Solo Mission DEMO
+90, // Half-Life Dedicated Server
+812440, // Half-Life: Absolute Zero
+130, // Half-Life: Blue Shift
+679990, // Half-Life: Caged
+2842160, // Half-Life: ESCAPE 2.0
+1761270, // Half-Life: MMod
+50, // Half-Life: Opposing Force
+1283930, // Half-Life: Restored
+3368040, // Half-Life: The Classic Collection
+1908720, // Half-Life: VR Mod
+3416640, // Half-Life: Zombies Ate My Neighbours
+638360, // Half-Rats: Parasomnia
+644320, // Halfquake Trilogy
+850870, // Hard-Life
+354900, // Headcrab Frenzy!
+1961680, // Master Sword: Rebirth
+60, // Ricochet
+225840, // Sven Co-op
+276060, // Sven Co-op Dedicated Server
+20, // Team Fortress Classic

src/steampp/cache/EngineSource.inl

@@ -109,7 +109,6 @@
 747250, // Half-Life 2: Year Long Alarm
 360, // Half-Life Deathmatch: Source
 255470, // Half-Life Deathmatch: Source Dedicated server
-2296760, // Half-Life: Hadron
 280, // Half-Life: Source
 1219590, // HEAT REBORN
 1523440, // HEAT REBORN BETA
@@ -156,6 +155,7 @@
 1802710, // Momentum Mod Playtest
 244630, // NEOTOKYO
 313600, // NEOTOKYO Dedicated Server
+2954780, // Nightmare House: The Original Mod
 224260, // No More Room in Hell
 317670, // No More Room in Hell Dedicated Server
 17710, // Nuclear Dawn
@@ -167,15 +167,19 @@
 17575, // Pirates, Vikings, and Knights II Dedicated Server
 400, // Portal
 620, // Portal 2
+2615420, // Portal: Ambition
+2665240, // Portal Ambition Demo
 213630, // Portal 2 - Educational Version
 247120, // Portal 2 Sixense Perceptual Pack
 440000, // Portal 2: Community Edition
+1400890, // Portal 2: Community Edition SDK
 2716490, // Portal 2: Confinement
 1255980, // Portal Reloaded
 317400, // Portal Stories: Mel
 2012840, // Portal with RTX
 410, // Portal: First Slice
 1636310, // Portal: Forbidden Testing Tracks
+3043220, // Portal: Lost in Aperture
 2410180, // Portal: Prelude RTX
 601360, // Portal: Revolution
 2266250, // Portal: Revolution Authoring Tools
@@ -215,6 +219,7 @@
 1197420, // Team Fortress: Throwback Dedicated Server
 303210, // The Beginner's Guide
 1007090, // The Burton Equation
+3281900, // The Cleaning Game
 314280, // The Forgotten Ones
 2403, // The Ship Dedicated Server
 2430, // The Ship Tutorial
@@ -238,6 +243,7 @@
 313240, // Wilson Chronicles
 22200, // Zeno Clash
 22220, // Zeno Clash Demo
+22210, // Zeno Clash Press
 813990, // Zombie Master: Reborn
 17500, // Zombie Panic! Source
 17505, // Zombie Panic! Source Dedicated Server

src/steampp/cache/README.md

@@ -1,6 +1,8 @@
 ## Cache Generation Steps
 
 1. Open the following URL in your browser:
+   - GoldSrc:
+     - https://steamdb.info/tech/Engine/GoldSource/?sort=name_asc
    - Source:
      - https://steamdb.info/tech/Engine/Source/?sort=name_asc
    - Source 2:
@@ -15,4 +17,4 @@
    console.log(o);
    ```
 4. Copy the given output and paste it into the relevant file.
-5. Trim entries manually which don't actually match the given engine. SteamDB isn't perfect and stuff slips through the system. (For example, as of May 26, 2024, Portal 2: Community Edition is listed as a game that uses Source 2.)
+5. Trim entries manually which don't actually match the given engine. SteamDB isn't perfect and stuff slips through the system.

src/steampp/steampp.cpp

@@ -25,6 +25,14 @@ using namespace steampp;
 
 namespace {
 
+bool isAppUsingGoldSrcEnginePredicate(std::string_view installDir) {
+	std::filesystem::directory_iterator dirIterator{installDir, std::filesystem::directory_options::skip_permission_denied};
+	std::error_code ec;
+	return std::any_of(std::filesystem::begin(dirIterator), std::filesystem::end(dirIterator), [&ec](const auto& entry){
+		return entry.is_directory(ec) && std::filesystem::exists(entry.path() / "liblist.gam", ec);
+	});
+}
+
 bool isAppUsingSourceEnginePredicate(std::string_view installDir) {
 	std::filesystem::directory_iterator dirIterator{installDir, std::filesystem::directory_options::skip_permission_denied};
 	std::error_code ec;
@@ -52,6 +60,11 @@ bool isAppUsingSource2EnginePredicate(std::string_view installDir) {
 
 // Note: this can't be a template because gcc threw a fit. No idea why
 std::unordered_set<AppID> getAppsKnownToUseEngine(bool(*p)(std::string_view)) {
+	if (p == &::isAppUsingGoldSrcEnginePredicate) {
+		return {
+#include "cache/EngineGoldSrc.inl"
+		};
+	}
 	if (p == &::isAppUsingSourceEnginePredicate) {
 		return {
 #include "cache/EngineSource.inl"
@@ -321,6 +334,10 @@ std::string Steam::getAppStoreArtPath(AppID appID) const {
 	return path;
 }
 
+bool Steam::isAppUsingGoldSrcEngine(AppID appID) const {
+	return ::isAppUsingEngine<::isAppUsingGoldSrcEnginePredicate>(this, appID);
+}
+
 bool Steam::isAppUsingSourceEngine(AppID appID) const {
 	return ::isAppUsingEngine<::isAppUsingSourceEnginePredicate>(this, appID);
 }