Outside only: new plugin. Buildings that start with OUTSIDE_ONLY get destroyed instantly before they can be created.

plugins/CMakeLists.txt

@@ -137,6 +137,7 @@ if (BUILD_SUPPORTED)
     DFHACK_PLUGIN(trueTransformation trueTransformation.cpp)
     DFHACK_PLUGIN(infiniteSky infiniteSky.cpp)
     DFHACK_PLUGIN(createitem createitem.cpp)
+    DFHACK_PLUGIN(outsideOnly outsideOnly.cpp)
 endif()
 
 

plugins/outsideOnly.cpp

@@ -0,0 +1,63 @@
+
+#include "Console.h"
+#include "Core.h"
+#include "DataDefs.h"
+#include "Export.h"
+#include "PluginManager.h"
+
+#include "modules/Buildings.h"
+#include "modules/EventManager.h"
+#include "modules/Maps.h"
+
+#include "df/coord.h"
+#include "df/building.h"
+#include "df/building_def.h"
+#include "df/map_block.h"
+#include "df/tile_designation.h"
+
+#include <string>
+
+using namespace DFHack;
+using namespace std;
+
+DFHACK_PLUGIN("outsideOnly");
+
+void buildingCreated(color_ostream& out, void* data);
+
+DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
+{
+    EventManager::EventHandler handler(buildingCreated,1);
+    EventManager::registerListener(EventManager::EventType::BUILDING, handler, plugin_self);
+    return CR_OK;
+}
+
+// This is called right before the plugin library is removed from memory.
+DFhackCExport command_result plugin_shutdown ( color_ostream &out )
+{
+    return CR_OK;
+}
+
+void buildingCreated(color_ostream& out, void* data) {
+    int32_t id = (int32_t)data;
+    df::building* building = df::building::find(id);
+    if ( building == NULL )
+        return;
+    
+    if ( building->getCustomType() < 0 )
+        return;
+    string prefix("OUTSIDE_ONLY");
+    df::building_def* def = df::global::world->raws.buildings.all[building->getCustomType()];
+    if (def->code.compare(0, prefix.size(), prefix)) {
+        return;
+    }
+    
+    //now, just check if it was created inside, and if so, scuttle it
+    df::coord pos(building->centerx,building->centery,building->z);
+    
+    df::tile_designation* des = Maps::getTileDesignation(pos);
+    if ( des->bits.outside )
+        return;
+    
+    Buildings::deconstruct(building);
+}
+