add pathfinding.set_avoided_tags

src/logic/scripting/lua/libs/libpathfinding.cpp

@@ -1,5 +1,6 @@
 #include "api_lua.hpp"
 
+#include "content/Content.hpp"
 #include "voxels/Pathfinding.hpp"
 #include "world/Level.hpp"
 
@@ -99,6 +100,27 @@ static int l_set_jump_height(lua::State* L) {
     return 0;
 }
 
+static int l_set_avoided_tags(lua::State* L) {
+    if (auto agent = get_agent(L)) {
+        if (!lua::istable(L, 2)) {
+            throw std::runtime_error("array of tags expected");
+        }
+        agent->avoidTags.clear();
+        int len = lua::objlen(L, 2);
+        for (int i = 1; i <= len; i++) {
+            lua::rawgeti(L, i);
+            if (lua::isstring(L, -1)) {
+                int index = content->getTagIndex(lua::tostring(L, -1));
+                if (index != -1) {
+                    agent->avoidTags.insert(index);
+                }
+            }
+            lua::pop(L);
+        }
+    }
+    return 0;
+}
+
 const luaL_Reg pathfindinglib[] = {
     {"create_agent", lua::wrap<l_create_agent>},
     {"remove_agent", lua::wrap<l_remove_agent>},
@@ -109,5 +131,6 @@ const luaL_Reg pathfindinglib[] = {
     {"pull_route", lua::wrap<l_pull_route>},
     {"set_max_visited", lua::wrap<l_set_max_visited_blocks>},
     {"set_jump_height", lua::wrap<l_set_jump_height>},
+    {"set_avoided_tags", lua::wrap<l_set_avoided_tags>},
     {NULL, NULL}
 };