From d8aca2185f82d56fbc2effac1d11b56f4ed0a995 Mon Sep 17 00:00:00 2001
From: Walter Agazzi <walter.agazzi@protonmail.com>
Date: Sun, 1 Jan 2023 01:33:37 +0100
Subject: [PATCH] PETKA: Add support for compressed Red Comrades 1-2 (#4581)

PETKA: Add support for compressed Red Comrades 1-2
---
 engines/petka/detection_tables.h | 24 +++++++++++++++++++++++-
 engines/petka/petka.cpp          |  7 +++++++
 engines/petka/petka.h            |  4 ++++
 3 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/engines/petka/detection_tables.h b/engines/petka/detection_tables.h
index 10d8f899308f..3755c0d87d17 100644
--- a/engines/petka/detection_tables.h
+++ b/engines/petka/detection_tables.h
@@ -36,7 +36,6 @@ static const ADGameDescription gameDescriptions[] = {
 		Common::kPlatformWindows,
 		ADGF_DROPPLATFORM | ADGF_DROPLANGUAGE | ADGF_DEMO,
 		GUIO1(GUIO_NOMIDI)
-
 	},
 
 	// Red Comrades 1: Save the Galaxy
@@ -48,7 +47,18 @@ static const ADGameDescription gameDescriptions[] = {
 		Common::kPlatformWindows,
 		ADGF_DROPPLATFORM | ADGF_DROPLANGUAGE,
 		GUIO1(GUIO_NOMIDI)
+	},
 
+	// Red Comrades 1: Save the Galaxy (3 CD)
+	{
+		"petka1",
+		"Compressed",
+		AD_ENTRY2s("BGS1.STR",  "99832accda859e2e1daeaae0a8561aeb", 20280804,
+				   "data1.cab", "7e73a644d8b15d2fd3781de5edce0c18", 228838940),
+		Common::RU_RUS,
+		Common::kPlatformWindows,
+		ADGF_DROPPLATFORM | ADGF_DROPLANGUAGE | GF_COMPRESSED,
+		GUIO1(GUIO_NOMIDI)
 	},
 
 	// Red Comrades 2: For the Great Justice
@@ -62,6 +72,18 @@ static const ADGameDescription gameDescriptions[] = {
 		GUIO1(GUIO_NOMIDI)
 	},
 
+	// Red Comrades 2: For the Great Justice (CD)
+	{
+		"petka2",
+		"Compressed",
+		AD_ENTRY2s("main.str",  "4e515669c343609518277cab6e7d8c8f", 18992879,
+				   "data1.cab", "ac9ee2e481ee5a6389a6cd58faf5a358", 23287376),
+		Common::RU_RUS,
+		Common::kPlatformWindows,
+		ADGF_DROPPLATFORM | ADGF_DROPLANGUAGE | GF_COMPRESSED,
+		GUIO1(GUIO_NOMIDI)
+	},
+
 	AD_TABLE_END_MARKER
 };
 
diff --git a/engines/petka/petka.cpp b/engines/petka/petka.cpp
index 3569eea99ece..14a901aa2156 100644
--- a/engines/petka/petka.cpp
+++ b/engines/petka/petka.cpp
@@ -27,6 +27,7 @@
 #include "common/formats/ini-file.h"
 #include "common/system.h"
 #include "common/file.h"
+#include "common/compression/installshield_cab.h"
 
 #include "engines/advancedDetector.h"
 #include "engines/util.h"
@@ -75,6 +76,12 @@ Common::Error PetkaEngine::run() {
 	initGraphics(640, 480, &format);
 	syncSoundSettings();
 
+	if (_desc->flags & GF_COMPRESSED) {
+		Common::Archive *cabinet = Common::makeInstallShieldArchive("data");
+		if (cabinet)
+			SearchMan.add("data1.cab", cabinet);
+	}
+
 	const char *const videos[] = {"buka.avi", "skif.avi", "adv.avi"};
 	for (uint i = 0; i < sizeof(videos) / sizeof(char *); ++i) {
 		Common::ScopedPtr<Common::File> file(new Common::File);
diff --git a/engines/petka/petka.h b/engines/petka/petka.h
index 0dae7899223e..592e5e6c3032 100644
--- a/engines/petka/petka.h
+++ b/engines/petka/petka.h
@@ -76,6 +76,10 @@ enum {
 	kPetkaDebugDialogs = 1 << 3
 };
 
+enum {
+	GF_COMPRESSED = (1 << 0),
+};
+
 class PetkaEngine : public Engine {
 public:
 	PetkaEngine(OSystem *syst, const ADGameDescription *desc);