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Player attrs: permits to remove an attribute by setting value to nil (#5716)
* Player attrs: permits to remove an attribute by setting value to nil When doing player:set_attribute("attr", nil) remove attribute Also remove a useless check on C++ API part (already done by checkplayer) Fix #5709
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@ -3028,7 +3028,9 @@ This is basically a reference to a C++ `ServerActiveObject`
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* `0`: player is drowning,
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* `1`-`10`: remaining number of bubbles
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* `11`: bubbles bar is not shown
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* `set_attribute(attribute, value)`: sets an extra attribute with value on player
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* `set_attribute(attribute, value)`:
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* Sets an extra attribute with value on player.
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* If value is nil, remove attribute from player.
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* `get_attribute(attribute)`: returns value for extra attribute. Returns nil if no attribute found.
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* `set_inventory_formspec(formspec)`
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* Redefine player's inventory form
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@ -18,6 +18,8 @@ dofile(minetest.get_modpath("default").."/mapgen.lua")
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minetest.register_on_joinplayer(function(player)
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local cb = function(player)
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minetest.chat_send_player(player:get_player_name(), "This is the [minimal] \"Minimal Development Test\" game. Use [minetest_game] for the real thing.")
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player:set_attribute("test_attribute", "test_me")
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player:set_attribute("remove_this", nil)
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end
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minetest.after(2.0, cb, player)
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end)
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@ -1387,13 +1389,13 @@ minetest.register_abm({
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local srclist = inv:get_list("src")
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local cooked = nil
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if srclist then
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cooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
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end
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local was_active = false
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if meta:get_float("fuel_time") < meta:get_float("fuel_totaltime") then
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was_active = true
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meta:set_float("fuel_time", meta:get_float("fuel_time") + 1)
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@ -1413,7 +1415,7 @@ minetest.register_abm({
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meta:set_string("src_time", 0)
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end
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end
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if meta:get_float("fuel_time") < meta:get_float("fuel_totaltime") then
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local percent = math.floor(meta:get_float("fuel_time") /
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meta:get_float("fuel_totaltime") * 100)
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@ -1438,7 +1440,7 @@ minetest.register_abm({
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local cooked = nil
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local fuellist = inv:get_list("fuel")
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local srclist = inv:get_list("src")
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if srclist then
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cooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
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end
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@ -1464,7 +1466,7 @@ minetest.register_abm({
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meta:set_string("fuel_totaltime", fuel.time)
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meta:set_string("fuel_time", 0)
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local stack = inv:get_stack("fuel", 1)
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stack:take_item()
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inv:set_stack("fuel", 1, stack)
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@ -1571,7 +1573,7 @@ function default.grow_tree(data, a, pos, is_apple_tree, seed)
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y = y+th-1 -- (x, y, z) is now last piece of trunk
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local leaves_a = VoxelArea:new{MinEdge={x=-2, y=-1, z=-2}, MaxEdge={x=2, y=2, z=2}}
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local leaves_buffer = {}
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-- Force leaves near the trunk
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local d = 1
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for xi = -d, d do
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@ -1581,14 +1583,14 @@ function default.grow_tree(data, a, pos, is_apple_tree, seed)
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end
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end
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end
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-- Add leaves randomly
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for iii = 1, 8 do
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local d = 1
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local xx = pr:next(leaves_a.MinEdge.x, leaves_a.MaxEdge.x - d)
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local yy = pr:next(leaves_a.MinEdge.y, leaves_a.MaxEdge.y - d)
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local zz = pr:next(leaves_a.MinEdge.z, leaves_a.MaxEdge.z - d)
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for xi = 0, d do
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for yi = 0, d do
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for zi = 0, d do
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@ -1597,7 +1599,7 @@ function default.grow_tree(data, a, pos, is_apple_tree, seed)
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end
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end
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end
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-- Add the leaves
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for xi = leaves_a.MinEdge.x, leaves_a.MaxEdge.x do
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for yi = leaves_a.MinEdge.y, leaves_a.MaxEdge.y do
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@ -277,6 +277,16 @@ public:
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return true;
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}
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inline void removeExtendedAttribute(const std::string &attr)
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{
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PlayerAttributes::iterator it = m_extra_attributes.find(attr);
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if (it == m_extra_attributes.end())
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return;
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m_extra_attributes.erase(it);
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m_extended_attributes_modified = true;
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}
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inline const PlayerAttributes &getExtendedAttributes()
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{
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return m_extra_attributes;
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@ -1202,9 +1202,10 @@ int ObjectRef::l_set_attribute(lua_State *L)
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}
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std::string attr = luaL_checkstring(L, 2);
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std::string value = luaL_checkstring(L, 3);
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if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
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if (lua_isnil(L, 3)) {
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co->removeExtendedAttribute(attr);
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} else {
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std::string value = luaL_checkstring(L, 3);
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co->setExtendedAttribute(attr, value);
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}
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return 1;
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