Fix #20356: Cannot set tertiary colour on small scenery (#20803)

distribution/changelog.txt

@@ -3,6 +3,7 @@
 - Feature: [#20141] Add additional track pieces to the Giga Coaster.
 - Feature: [OpenMusic#46] Added Mystic ride music style.
 - Change: [#20790] Default ride price set to free if park charges for entry.
+- Fix: [#20356] Cannot set tertiary colour on small scenery.
 - Fix: [#20737] Spent money in player window underflows when getting refunds.
 - Fix: [#20778] [Plugin] Incorrect target api when executing custom actions.
 - Fix: [#19722] “Forbid tree removal” restriction doesn't forbid removal of large scenery tree items.

src/openrct2/actions/SmallSceneryPlaceAction.cpp

@@ -49,6 +49,7 @@ void SmallSceneryPlaceAction::AcceptParameters(GameActionParameterVisitor& visit
     visitor.Visit("object", _sceneryType);
     visitor.Visit("primaryColour", _primaryColour);
     visitor.Visit("secondaryColour", _secondaryColour);
+    visitor.Visit("tertiaryColour", _tertiaryColour);
 }
 
 uint32_t SmallSceneryPlaceAction::GetCooldownTime() const
@@ -65,7 +66,8 @@ void SmallSceneryPlaceAction::Serialise(DataSerialiser& stream)
 {
     GameAction::Serialise(stream);
 
-    stream << DS_TAG(_loc) << DS_TAG(_quadrant) << DS_TAG(_sceneryType) << DS_TAG(_primaryColour) << DS_TAG(_secondaryColour);
+    stream << DS_TAG(_loc) << DS_TAG(_quadrant) << DS_TAG(_sceneryType) << DS_TAG(_primaryColour) << DS_TAG(_secondaryColour)
+           << DS_TAG(_tertiaryColour);
 }
 
 GameActions::Result SmallSceneryPlaceAction::Query() const

src/openrct2/actions/SmallScenerySetColourAction.cpp

@@ -55,7 +55,8 @@ void SmallScenerySetColourAction::Serialise(DataSerialiser& stream)
 {
     GameAction::Serialise(stream);
 
-    stream << DS_TAG(_loc) << DS_TAG(_quadrant) << DS_TAG(_sceneryType) << DS_TAG(_primaryColour) << DS_TAG(_secondaryColour);
+    stream << DS_TAG(_loc) << DS_TAG(_quadrant) << DS_TAG(_sceneryType) << DS_TAG(_primaryColour) << DS_TAG(_secondaryColour)
+           << DS_TAG(_tertiaryColour);
 }
 
 GameActions::Result SmallScenerySetColourAction::Query() const

src/openrct2/network/NetworkBase.cpp

@@ -43,7 +43,7 @@
 // It is used for making sure only compatible builds get connected, even within
 // single OpenRCT2 version.
 
-#define NETWORK_STREAM_VERSION "3"
+#define NETWORK_STREAM_VERSION "4"
 
 #define NETWORK_STREAM_ID OPENRCT2_VERSION "-" NETWORK_STREAM_VERSION