Add basic support for running Amiga and PC demos of BRA.

svn-id: r33357

5 files changed, 100 insertions, 5 deletions

diff --git a/engines/parallaction/detection.cpp b/engines/parallaction/detection.cpp
index 8841b9ca40..0476b01454 100644
--- a/engines/parallaction/detection.cpp
+++ b/engines/parallaction/detection.cpp
@@ -154,7 +154,23 @@ static const PARALLACTIONGameDescription gameDescriptions[] = {
 			Common::ADGF_NO_FLAGS
 		},
 		GType_BRA,
-		GF_LANG_EN | GF_LANG_FR | GF_LANG_DE | GF_LANG_IT | GF_LANG_MULT
+		GF_LANG_EN | GF_LANG_FR | GF_LANG_DE | GF_LANG_IT | GF_LANG_MULT,
+	},
+
+	{
+		{
+			"bra",
+			"Demo",
+			{
+				{ "russia.fnt",	0, "0dd55251d2886d6783718df2b184bf97", 10649 },
+				{ NULL, 0, NULL, 0}
+			},
+			Common::UNK_LANG,
+			Common::kPlatformPC,
+			Common::ADGF_DEMO
+		},
+		GType_BRA,
+		GF_LANG_EN | GF_DEMO,
 	},
 
 	// TODO: Base the detection of Amiga BRA on actual data file, not executable file.
@@ -171,9 +187,25 @@ static const PARALLACTIONGameDescription gameDescriptions[] = {
 			Common::ADGF_NO_FLAGS
 		},
 		GType_BRA,
-		GF_LANG_EN | GF_LANG_FR | GF_LANG_DE | GF_LANG_IT | GF_LANG_MULT
+		GF_LANG_EN | GF_LANG_FR | GF_LANG_DE | GF_LANG_IT | GF_LANG_MULT,
 	},
 
+	// TODO: Base the detection of Amiga BRA demo on actual data file, not executable file.
+	{
+		{
+			"bra",
+			"Demo",
+			{
+				{ "bigred",	0, "b62a7b589fb5e9071f021227640893bf", 97004 },
+				{ NULL, 0, NULL, 0}
+			},
+			Common::UNK_LANG,
+			Common::kPlatformAmiga,
+			Common::ADGF_DEMO
+		},
+		GType_BRA,
+		GF_LANG_EN | GF_DEMO,
+	},
 
 	{ AD_TABLE_END_MARKER, 0, 0 }
 };
diff --git a/engines/parallaction/disk.h b/engines/parallaction/disk.h
index a2a4086a51..ee393afd6a 100644
--- a/engines/parallaction/disk.h
+++ b/engines/parallaction/disk.h
@@ -250,6 +250,16 @@ public:
 	Common::ReadStream* loadSound(const char* name);
 };
 
+class DosDemo_br : public DosDisk_br {
+
+public:
+	DosDemo_br(Parallaction *vm);
+	virtual ~DosDemo_br();
+
+	Common::String selectArchive(const Common::String& name);
+
+};
+
 class AmigaDisk_br : public DosDisk_br {
 
 protected:
diff --git a/engines/parallaction/disk_br.cpp b/engines/parallaction/disk_br.cpp
index 8f2fabf926..1f77c338c0 100644
--- a/engines/parallaction/disk_br.cpp
+++ b/engines/parallaction/disk_br.cpp
@@ -443,6 +443,43 @@ Common::ReadStream* DosDisk_br::loadSound(const char* name) {
 
 
 
+DosDemo_br::DosDemo_br(Parallaction *vm) : DosDisk_br(vm) {
+
+}
+
+
+DosDemo_br::~DosDemo_br() {
+
+}
+
+Common::String DosDemo_br::selectArchive(const Common::String& name) {
+	debugC(5, kDebugDisk, "DosDemo_br::selectArchive");
+
+	Common::String oldPath;
+	if (_partDir.exists()) {
+		oldPath = _partDir.getDisplayName();
+	}
+
+	_partDir = _baseDir;
+
+	_aniDir = _partDir.getChild("ani");
+	_bkgDir = _partDir.getChild("bkg");
+	_mscDir = _partDir.getChild("msc");
+	_mskDir = _partDir.getChild("msk");
+	_pthDir = _partDir.getChild("pth");
+	_rasDir = _partDir.getChild("ras");
+	_scrDir = _partDir.getChild("scripts");
+	_sfxDir = _partDir.getChild("sfx");
+	_talDir = _partDir.getChild("tal");
+
+	return oldPath;
+}
+
+
+
+
+
+
 AmigaDisk_br::AmigaDisk_br(Parallaction *vm) : DosDisk_br(vm) {
 	_fntDir = _baseDir.getChild("fonts");
 
diff --git a/engines/parallaction/gfxbase.cpp b/engines/parallaction/gfxbase.cpp
index e8250ac8fd..c9892ce2f3 100644
--- a/engines/parallaction/gfxbase.cpp
+++ b/engines/parallaction/gfxbase.cpp
@@ -204,6 +204,10 @@ void Gfx::drawGfxObjects(Graphics::Surface &surf) {
 
 
 void Gfx::drawText(Font *font, Graphics::Surface* surf, uint16 x, uint16 y, const char *text, byte color) {
+	// TODO: Add support for difference in font data
+	if (_vm->getGameType() == GType_BRA && _vm->getPlatform() == Common::kPlatformPC && (_vm->getFeatures() & GF_DEMO))
+		return;
+
 	byte *dst = (byte*)surf->getBasePtr(x, y);
 	font->setColor(color);
 	font->drawString(dst, surf->w, text);
diff --git a/engines/parallaction/parallaction_br.cpp b/engines/parallaction/parallaction_br.cpp
index 18b697fdae..6482329c5e 100644
--- a/engines/parallaction/parallaction_br.cpp
+++ b/engines/parallaction/parallaction_br.cpp
@@ -56,7 +56,11 @@ int Parallaction_br::init() {
 
 	if (getGameType() == GType_BRA) {
 		if (getPlatform() == Common::kPlatformPC) {
-			_disk = new DosDisk_br(this);
+			if (getFeatures() & GF_DEMO) {
+				_disk = new DosDemo_br(this);
+			} else {
+				_disk = new DosDisk_br(this);
+			}
 			_disk->setLanguage(2);					// NOTE: language is now hardcoded to English. Original used command-line parameters.
 			_soundMan = new DummySoundMan(this);
 		} else {
@@ -109,7 +113,11 @@ void Parallaction_br::callFunction(uint index, void* parm) {
 
 int Parallaction_br::go() {
 
-	startGui();
+	if (getFeatures() & GF_DEMO) {
+		startPart(1);
+	} else {
+		startGui();
+	}
 
 	while ((_engineFlags & kEngineQuit) == 0) {
 
@@ -200,7 +208,11 @@ void Parallaction_br::startPart(uint part) {
 
 	initPart();
 
-	strcpy(_location._name, partFirstLocation[_part]);
+	if (getFeatures() & GF_DEMO) {
+		strcpy(_location._name, "camalb");
+	} else {
+		strcpy(_location._name, partFirstLocation[_part]);
+	}
 
 	parseLocation("common");
 	changeLocation(_location._name);