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Add slippery group for nodes (players/items slide)

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Wuzzy 2017-08-11 21:16:09 +02:00 • committed by paramat
parent 4381fe0a0a
commit 2ea26e655d
5 changed files with 49 additions and 17 deletions
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30
builtin/game/item_entity.lua
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@ -99,8 +99,8 @@ core.register_entity(":__builtin:item", {
self.itemstring = staticdata
end
self.object:set_armor_groups({immortal = 1})
self.object:setvelocity({x = 0, y = 2, z = 0})
self.object:setacceleration({x = 0, y = -10, z = 0})
self.object:set_velocity({x = 0, y = 2, z = 0})
self.object:set_acceleration({x = 0, y = -10, z = 0})
self:set_item(self.itemstring)
end,
@ -177,8 +177,8 @@ core.register_entity(":__builtin:item", {
local in_unloaded = (node == nil)
if in_unloaded then
-- Don't infinetly fall into unloaded map
self.object:setvelocity({x = 0, y = 0, z = 0})
self.object:setacceleration({x = 0, y = 0, z = 0})
self.object:set_velocity({x = 0, y = 0, z = 0})
self.object:set_acceleration({x = 0, y = 0, z = 0})
self.physical_state = false
self.object:set_properties({physical = false})
return
@ -186,7 +186,8 @@ core.register_entity(":__builtin:item", {
local nn = node.name
-- If node is not registered or node is walkably solid and resting on nodebox
local v = self.object:getvelocity()
if not core.registered_nodes[nn] or core.registered_nodes[nn].walkable and v.y == 0 then
if not core.registered_nodes[nn] or (core.registered_nodes[nn].walkable and
core.get_item_group(nn, "slippery") == 0) and v.y == 0 then
if self.physical_state then
local own_stack = ItemStack(self.object:get_luaentity().itemstring)
-- Merge with close entities of the same item
@ -199,17 +200,28 @@ core.register_entity(":__builtin:item", {
end
end
end
self.object:setvelocity({x = 0, y = 0, z = 0})
self.object:setacceleration({x = 0, y = 0, z = 0})
self.object:set_velocity({x = 0, y = 0, z = 0})
self.object:set_acceleration({x = 0, y = 0, z = 0})
self.physical_state = false
self.object:set_properties({physical = false})
end
else
if not self.physical_state then
self.object:setvelocity({x = 0, y = 0, z = 0})
self.object:setacceleration({x = 0, y = -10, z = 0})
self.object:set_velocity({x = 0, y = 0, z = 0})
self.object:set_acceleration({x = 0, y = -10, z = 0})
self.physical_state = true
self.object:set_properties({physical = true})
elseif minetest.get_item_group(nn, "slippery") ~= 0 then
if math.abs(v.x) < 0.2 and math.abs(v.z) < 0.2 then
self.object:set_velocity({x = 0, y = 0, z = 0})
self.object:set_acceleration({x = 0, y = 0, z = 0})
self.physical_state = false
self.object:set_properties({
physical = false
})
else
self.object:set_acceleration({x = -v.x, y = -10, z = -v.z})
end
end
end
end,