DREAMWEB: steady and constant objects sprites callbacks

3 files changed, 30 insertions, 2 deletions

diff --git a/engines/dreamweb/structs.h b/engines/dreamweb/structs.h
index a5ddabf7fe..822546b7f3 100644
--- a/engines/dreamweb/structs.h
+++ b/engines/dreamweb/structs.h
@@ -32,6 +32,16 @@ struct ObjData {
 	uint8 b6;
 	uint8 delay;
 	uint8 type;
+	uint8 b9;
+	uint8 b10;
+	uint8 b11;
+	uint8 b12;
+	uint8 b13;
+	uint8 b14;
+	uint8 b15;
+	uint8 b16;
+	uint8 b17;
+	uint8 b18[256]; // NB: Don't know the size yet
 };
 
 
diff --git a/engines/dreamweb/stubs.cpp b/engines/dreamweb/stubs.cpp
index b5b88f66e2..45efe8b02c 100644
--- a/engines/dreamweb/stubs.cpp
+++ b/engines/dreamweb/stubs.cpp
@@ -829,14 +829,30 @@ void DreamGenContext::backobject(Sprite* sprite) {
 	else if (objData->type == 2)
 		doorway();
 	else if (objData->type == 1)
-		constant();
+		constant(sprite, objData);
 	else
-		steady();
+		steady(sprite, objData);
 
 	ds = pop();
 	es = pop();
 }
 
+void DreamGenContext::constant(Sprite* sprite, ObjData* objData) {
+	++sprite->b19;
+	if (objData->b18[sprite->b19] == 255) {
+		sprite->b19 = 0;
+	}
+	uint8 b18 = objData->b18[sprite->b19];
+	objData->b17 = b18;
+	sprite->b15 = b18;
+}
+
+void DreamGenContext::steady(Sprite* sprite, ObjData* objData) {
+	uint8 b18 = objData->b18[0];
+	objData->b17 = b18;
+	sprite->b15 = b18;
+}
+
 void DreamGenContext::modifychar() {
 	al = engine->modifyChar(al);
 }
diff --git a/engines/dreamweb/stubs.h b/engines/dreamweb/stubs.h
index dbedb32640..5a4377b119 100644
--- a/engines/dreamweb/stubs.h
+++ b/engines/dreamweb/stubs.h
@@ -27,6 +27,8 @@
 	void spriteupdate();
 	void mainmanCPP(Sprite* sprite);
 	void backobject(Sprite* sprite);
+	void constant(Sprite* sprite, ObjData* objData);
+	void steady(Sprite* sprite, ObjData* objData);
 	void modifychar();
 	void lockmon();