lua: on_block_interact prevent default feature

src/logic/PlayerController.cpp

@@ -286,8 +286,8 @@ void PlayerController::updateInteraction(){
         }
 		if (def && rclick){
             if (!input.shift && target->rt.funcsset.oninteract) {
-                scripting::on_block_interact(player, target, x, y, z);
+                if (!scripting::on_block_interact(player, target, x, y, z))
-                return;
+                    return;
             }
 			if (!target->replaceable){
 				x = (iend.x)+(norm.x);

src/logic/scripting/scripting.cpp

@@ -181,12 +181,15 @@ void scripting::on_block_broken(Player* player, const Block* block, int x, int y
     call_func(L, 4, name);
 }
 
-void scripting::on_block_interact(Player* player, const Block* block, int x, int y, int z) {
+bool scripting::on_block_interact(Player* player, const Block* block, int x, int y, int z) {
     std::string name = block->name+".oninteract";
     lua_getglobal(L, name.c_str());
     lua_pushivec3(L, x, y, z);
     lua_pushinteger(L, 1);
-    call_func(L, 4, name);
+    if (call_func(L, 4, name)) {
+        return lua_toboolean(L, -1);
+    }
+    return false;
 }
 
 bool scripting::on_item_use_on_block(Player* player, const ItemDef* item, int x, int y, int z) {

src/logic/scripting/scripting.h

@@ -28,7 +28,7 @@ namespace scripting {
     void random_update_block(const Block* block, int x, int y, int z);
     void on_block_placed(Player* player, const Block* block, int x, int y, int z);
     void on_block_broken(Player* player, const Block* block, int x, int y, int z);
-    void on_block_interact(Player* player, const Block* block, int x, int y, int z);
+    bool on_block_interact(Player* player, const Block* block, int x, int y, int z);
     bool on_item_use_on_block(Player* player, const ItemDef* item, int x, int y, int z);
     bool on_item_break_block(Player* player, const ItemDef* item, int x, int y, int z);
     void load_block_script(std::string prefix, fs::path file, block_funcs_set* funcsset);