MADS: Implemented message loading/decoding

5 files changed, 55 insertions, 1 deletions

diff --git a/engines/mads/dialogs.cpp b/engines/mads/dialogs.cpp
index c5e99f859e..04e89fad61 100644
--- a/engines/mads/dialogs.cpp
+++ b/engines/mads/dialogs.cpp
@@ -342,7 +342,8 @@ Dialogs::Dialogs(MADSEngine *vm): _vm(vm) {
 }
 
 void Dialogs::show(int msgId) {
-
+	Common::StringArray msg = _vm->_game->getMessage(msgId);
+	warning("%s\n", msg[0].c_str());
 }
 
 } // End of namespace MADS
diff --git a/engines/mads/dialogs.h b/engines/mads/dialogs.h
index 3f623a688b..35e4a85926 100644
--- a/engines/mads/dialogs.h
+++ b/engines/mads/dialogs.h
@@ -190,6 +190,7 @@ public:
 
 	virtual void showDialog() = 0;
 	virtual void showPicture(int objId, int msgId, int arg3 = 0) = 0;
+
 	void show(int msgId);
 };
 
diff --git a/engines/mads/game.cpp b/engines/mads/game.cpp
index f81c752667..33cb52cec9 100644
--- a/engines/mads/game.cpp
+++ b/engines/mads/game.cpp
@@ -21,7 +21,9 @@
  */
 
 #include "common/scummsys.h"
+#include "common/memstream.h"
 #include "mads/mads.h"
+#include "mads/compression.h"
 #include "mads/game.h"
 #include "mads/game_data.h"
 #include "mads/events.h"
@@ -329,4 +331,51 @@ void Game::loadQuotes() {
 	f.close();
 }
 
+Common::StringArray Game::getMessage(uint32 id) {
+	File f("*MESSAGES.DAT");
+	int count = f.readUint16LE();
+
+	for (int idx = 0; idx < count; ++idx) {
+		uint32 itemId = f.readUint32LE();
+		uint32 offset = f.readUint32LE();
+		uint16 size = f.readUint16LE();
+
+		if (itemId == id) {
+			// Get the source buffer size
+			uint16 sizeIn;
+			if (idx == (count - 1)) {
+				sizeIn = f.size() - offset;
+			} else {
+				f.skip(4);
+				uint32 nextOffset = f.readUint32LE();
+				sizeIn = nextOffset - offset;
+			}
+
+			// Get the compressed data
+			f.seek(offset);
+			byte *bufferIn = new byte[sizeIn];
+			f.read(bufferIn, sizeIn);
+
+			// Decompress it
+			char *bufferOut = new char[size];
+			FabDecompressor fab;
+			fab.decompress(bufferIn, sizeIn, (byte *)bufferOut, size);
+
+			// Form the output string list
+			Common::StringArray result;
+			const char *p = bufferOut;
+			while (p < (bufferOut + size)) {
+				result.push_back(p);
+				p += strlen(p) + 1;
+			}
+
+			delete[] bufferIn;
+			delete[] bufferOut;
+			return result;
+		}
+	}
+
+	error("Invalid message Id specified");
+}
+
 } // End of namespace MADS
diff --git a/engines/mads/game.h b/engines/mads/game.h
index 9da2694456..4521ad68c1 100644
--- a/engines/mads/game.h
+++ b/engines/mads/game.h
@@ -150,6 +150,7 @@ public:
 
 	uint32 getQuotesSize() { return _quotes.size(); }
 	const Common::String &getQuote(uint32 index) { return _quotes[index - 1]; }
+	Common::StringArray getMessage(uint32 id);
 
 	/**
 	* Standard object handling across the game
diff --git a/engines/mads/nebular/game_nebular.cpp b/engines/mads/nebular/game_nebular.cpp
index 34af685981..2c6be6cfc2 100644
--- a/engines/mads/nebular/game_nebular.cpp
+++ b/engines/mads/nebular/game_nebular.cpp
@@ -52,6 +52,8 @@ ProtectionResult GameNebular::checkCopyProtection() {
 	dlg->show();
 	delete dlg;
 	*/
+	// Debug
+	_vm->_dialogs->show(1);
 
 	// DEBUG: Return that copy protection failed
 	return PROTECTION_SUCCEED;