Add "changevein" plugin, lets you change what mineral inclusions are made of

plugins/CMakeLists.txt

@@ -79,6 +79,7 @@ if (BUILD_SUPPORTED)
     DFHACK_PLUGIN(fixveins fixveins.cpp)
     DFHACK_PLUGIN(fixpositions fixpositions.cpp)
     DFHACK_PLUGIN(follow follow.cpp)
+    DFHACK_PLUGIN(changevein changevein.cpp)
     #DFHACK_PLUGIN(versionosd versionosd.cpp)
 endif()
 

plugins/changevein.cpp

@@ -0,0 +1,96 @@
+// Allow changing the material of a mineral inclusion
+
+#include "Core.h"
+#include "Console.h"
+#include "Export.h"
+#include "PluginManager.h"
+
+#include "DataDefs.h"
+#include "modules/Maps.h"
+#include "modules/Materials.h"
+#include "TileTypes.h"
+
+using std::vector;
+using std::string;
+using namespace DFHack;
+using namespace DFHack::Simple;
+using namespace df::enums;
+
+using df::global::world;
+using df::global::cursor;
+
+command_result df_changevein (Core * c, vector <string> & parameters)
+{
+    if (parameters.size() != 1)
+        return CR_WRONG_USAGE;
+
+    CoreSuspender suspend(c);
+
+    if (!Maps::IsValid())
+    {
+        c->con.printerr("Map is not available!\n");
+        return CR_FAILURE;
+    }
+    if (!cursor || cursor->x == -30000)
+    {
+        c->con.printerr("No cursor detected - please place the cursor over a mineral vein.\n");
+        return CR_FAILURE;
+    }
+
+    MaterialInfo mi;
+    if (!mi.findInorganic(parameters[0]))
+    {
+        c->con.printerr("No such material!\n");
+        return CR_FAILURE;
+    }
+    if (mi.inorganic->material.flags.is_set(material_flags::IS_METAL) ||
+        mi.inorganic->material.flags.is_set(material_flags::NO_STONE_STOCKPILE) ||
+        mi.inorganic->flags.is_set(inorganic_flags::SOIL_ANY))
+    {
+        c->con.printerr("Invalid material - you must select a type of stone or gem\n");
+        return CR_FAILURE;
+    }
+
+    df::map_block *block = Maps::getBlockAbs(cursor->x, cursor->y, cursor->z);
+    if (!block)
+    {
+        c->con.printerr("Invalid tile selected.\n");
+        return CR_FAILURE;
+    }
+    df::block_square_event_mineralst *mineral = NULL;
+    int tx = cursor->x % 16, ty = cursor->y % 16;
+    for (size_t j = 0; j < block->block_events.size(); j++)
+    {
+        df::block_square_event *evt = block->block_events[j];
+        if (evt->getType() != block_square_event_type::mineral)
+            continue;
+        mineral = (df::block_square_event_mineralst *)evt;
+        if (mineral->getassignment(tx, ty))
+            break;
+        mineral = NULL;
+    }
+    if (!mineral)
+    {
+        c->con.printerr("Selected tile does not contain a mineral vein.\n");
+        return CR_FAILURE;
+    }
+    mineral->inorganic_mat = mi.index;
+
+    return CR_OK;
+}
+
+DFHACK_PLUGIN("changevein");
+
+DFhackCExport command_result plugin_init ( Core * c, std::vector <PluginCommand> &commands)
+{
+    commands.push_back(PluginCommand("changevein",
+        "Changes the material of a mineral inclusion.",
+        df_changevein, false,
+        "Syntax: changevein <inorganic material ID>\n"));
+    return CR_OK;
+}
+
+DFhackCExport command_result plugin_shutdown ( Core * c )
+{
+    return CR_OK;
+}