Add actor transparency var for HE99 games.

svn-id: r15405

5 files changed, 15 insertions, 2 deletions

diff --git a/scumm/actor.cpp b/scumm/actor.cpp
index 3d9b19ce92..75d830c5c8 100644
--- a/scumm/actor.cpp
+++ b/scumm/actor.cpp
@@ -139,6 +139,7 @@ void Actor::initActor(int mode) {
 	_clipOverride = _vm->_actorClipOverride;
 
 	auxBlock.visible = false;
+	transparency = 0;
 
 	_vm->_classData[number] = (_vm->_version >= 7) ? _vm->_classData[0] : 0;
 }
@@ -1075,6 +1076,7 @@ void Actor::drawActorCostume(bool hitTestMode) {
 	bcr->_draw_bottom = 0;
 
 	bcr->_skipLimb = (skipLimb != 0);
+	bcr->_transparency = transparency;
 	
 	if (_vm->_heversion >= 80 && talkUnk == 0) {
 		condMask &= 0xFFFFFC00;
diff --git a/scumm/actor.h b/scumm/actor.h
index acb8110e68..f79aaaca9f 100644
--- a/scumm/actor.h
+++ b/scumm/actor.h
@@ -134,6 +134,7 @@ public:
 	CostumeData cost;
 	uint32 condMask;
 	bool talkUnk;
+	byte transparency;
 	AuxBlock auxBlock;
 
 	struct {
diff --git a/scumm/akos.cpp b/scumm/akos.cpp
index 3253e426c3..f6ff91584f 100644
--- a/scumm/akos.cpp
+++ b/scumm/akos.cpp
@@ -300,10 +300,15 @@ void AkosRenderer::setPalette(byte *new_palette) {
 		palette[i] = new_palette[i] != 0xFF ? new_palette[i] : akpl[i];
 	}
 
+	if (_transparency)
+		palette[0] = _transparency;
+
 	if (_vm->_heversion == 70 && size) {
 		for (i = 0; i < size; i++)
 			palette[i] = _vm->_HEV7ActorPalette[palette[i]];
-	} else if (size == 256) {
+	}
+
+	if (size == 256) {
 		byte color = new_palette[0];
 		if (color == 255) {
 			palette[0] = color;
diff --git a/scumm/base-costume.h b/scumm/base-costume.h
index fd477f42a8..c32dab3c3f 100644
--- a/scumm/base-costume.h
+++ b/scumm/base-costume.h
@@ -62,6 +62,7 @@ public:
 	byte _scaleX, _scaleY;
 
 	int _draw_top, _draw_bottom;
+	byte _transparency;
 	bool _skipLimb;
 	bool _actorDrawVirScr;
 
@@ -117,6 +118,7 @@ public:
 		_mirror = false;
 		_width = _height = 0;
 		_skipLimb = 0;
+		_transparency = 0;
 		
 		_clipOverride.right = 0;
 		_clipOverride.left = 0;
diff --git a/scumm/script_v72he.cpp b/scumm/script_v72he.cpp
index 2c75c41465..c8d66d2758 100644
--- a/scumm/script_v72he.cpp
+++ b/scumm/script_v72he.cpp
@@ -1184,9 +1184,12 @@ void ScummEngine_v72he::o72_actorOps() {
 		a->talkPosY = pop();
 		a->talkPosX = pop();
 		break;
-	case 156:		// HE 7.2
+	case 156:		// HE 72+
 		a->charset = pop();
 		break;
+	case 175:		// HE 99+
+		a->transparency = pop();
+		break;
 	case 198:		// SO_ACTOR_VARIABLE
 		i = pop();
 		a->setAnimVar(pop(), i);