Made frame unpacking buffer dynamic (this frees some BSS space).

svn-id: r33072

3 files changed, 12 insertions, 3 deletions

diff --git a/engines/parallaction/gfxbase.cpp b/engines/parallaction/gfxbase.cpp
index 9e7eb12ed8..e8250ac8fd 100644
--- a/engines/parallaction/gfxbase.cpp
+++ b/engines/parallaction/gfxbase.cpp
@@ -267,9 +267,6 @@ void Gfx::drawWrappedText(Font *font, Graphics::Surface* surf, char *text, byte
 }
 
 
-// this is the maximum size of an unpacked frame in BRA
-byte _unpackedBitmap[640*401];
-
 #if 0
 void Gfx::unpackBlt(const Common::Rect& r, byte *data, uint size, Graphics::Surface *surf, uint16 z, byte transparentColor) {
 
diff --git a/engines/parallaction/graphics.cpp b/engines/parallaction/graphics.cpp
index 32d0e303eb..9b9ea8605a 100644
--- a/engines/parallaction/graphics.cpp
+++ b/engines/parallaction/graphics.cpp
@@ -33,6 +33,11 @@
 
 namespace Parallaction {
 
+// this is the size of the receiving buffer for unpacked frames,
+// since BRA uses some insanely big animations.
+#define MAXIMUM_UNPACKED_BITMAP_SIZE	640*401
+
+
 void Gfx::registerVar(const Common::String &name, int32 initialValue) {
 	if (_vars.contains(name)) {
 		warning("Variable '%s' already registered, ignoring initial value.\n", name.c_str());
@@ -752,6 +757,9 @@ Gfx::Gfx(Parallaction* vm) :
 	_halfbrite = false;
 	_hbCircleRadius = 0;
 
+	_unpackedBitmap = new byte[MAXIMUM_UNPACKED_BITMAP_SIZE];
+	assert(_unpackedBitmap);
+
 	registerVar("background_mode", 1);
 	_varBackgroundMode = 1;
 
@@ -769,6 +777,8 @@ Gfx::~Gfx() {
 	freeBackground();
 	freeLabels();
 
+	delete []_unpackedBitmap;
+
 	return;
 }
 
diff --git a/engines/parallaction/graphics.h b/engines/parallaction/graphics.h
index 09f4b2f244..a7242ba6f4 100644
--- a/engines/parallaction/graphics.h
+++ b/engines/parallaction/graphics.h
@@ -547,6 +547,8 @@ public:
 	uint				_screenX;		// scrolling position
 	uint				_screenY;
 
+	byte				*_unpackedBitmap;
+
 protected:
 	Parallaction*		_vm;
 	bool				_halfbrite;