Fix #7643: No Money scenarios can have funding set to zero

If research funding is set to no funding and scenario money is turned
off, then update research at the normal rate.

distribution/changelog.txt

@@ -1,6 +1,7 @@
 0.2.0+ (in development)
 ------------------------------------------------------------------------
 - Feature: [#6998] Guests now wait for passing vehicles before crossing railway tracks.
+- Fix: [#7643] No Money scenarios with funding set to zero.
 - Fix: [#7653] Finances money spinner is too narrow for big loans.
 - Fix: [#7673] Vehicle names are cut off in invention list.
 - Fix: [#7674] Rides show up as random numbers in guest's ride list.

src/openrct2/management/Research.cpp

@@ -32,6 +32,7 @@
 #include "../ride/RideData.h"
 #include "../ride/RideGroupManager.h"
 #include "../ride/TrackData.h"
+#include "../world/Park.h"
 #include "../world/Scenery.h"
 #include "NewsItem.h"
 #include "Finance.h"
@@ -342,7 +343,14 @@ void research_update()
         return;
     }
 
-    researchLevel = gResearchFundingLevel;
+    if ((gParkFlags & PARK_FLAGS_NO_MONEY) && gResearchFundingLevel == RESEARCH_FUNDING_NONE) 
+    {
+        researchLevel = RESEARCH_FUNDING_NORMAL;
+    } 
+    else 
+    {
+        researchLevel = gResearchFundingLevel;
+    }
 
     currentResearchProgress = gResearchProgress;
     currentResearchProgress += _researchRate[researchLevel];

src/openrct2/network/Network.cpp

@@ -34,7 +34,7 @@
 // This string specifies which version of network stream current build uses.
 // It is used for making sure only compatible builds get connected, even within
 // single OpenRCT2 version.
-#define NETWORK_STREAM_VERSION "2"
+#define NETWORK_STREAM_VERSION "3"
 #define NETWORK_STREAM_ID OPENRCT2_VERSION "-" NETWORK_STREAM_VERSION
 
 static rct_peep* _pickup_peep = nullptr;