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put water flow code in separate function

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This commit is contained in:
cora 2022-11-10 23:55:40 +01:00
parent a25cd921f2
commit 49670d1d28
2 changed files with 41 additions and 38 deletions
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39
mods/ENTITIES/mcl_mobs/api.lua
View File

@ -685,44 +685,7 @@ function mob_class:on_step(dtime)
self:check_herd(dtime)
end
end
-- Add water flowing for mobs from mcl_item_entity
local p, node, nn, def
p = self.object:get_pos()
node = minetest.get_node_or_nil(p)
if node then
nn = node.name
def = minetest.registered_nodes[nn]
end
-- Move item around on flowing liquids
if def and def.liquidtype == "flowing" then
--[[ Get flowing direction (function call from flowlib), if there's a liquid.
NOTE: According to Qwertymine, flowlib.quickflow is only reliable for liquids with a flowing distance of 7.
Luckily, this is exactly what we need if we only care about water, which has this flowing distance. ]]
local vec = flowlib.quick_flow(p, node)
-- Just to make sure we don't manipulate the speed for no reason
if vec.x ~= 0 or vec.y ~= 0 or vec.z ~= 0 then
-- Minecraft Wiki: Flowing speed is "about 1.39 meters per second"
local f = 1.39
-- Set new item moving speed into the direciton of the liquid
local newv = vector.multiply(vec, f)
self.object:set_acceleration({x = 0, y = 0, z = 0})
self.object:set_velocity({x = newv.x, y = -0.22, z = newv.z})
self.physical_state = true
self._flowing = true
self.object:set_properties({
physical = true
})
return
end
elseif self._flowing == true then
-- Disable flowing physics if not on/in flowing liquid
self._flowing = false
return
end
self:check_water_flow()
if self:is_at_cliff_or_danger() then
self:set_velocity(0)

40
mods/ENTITIES/mcl_mobs/physics.lua
View File

@ -884,3 +884,43 @@ function mob_class:falling(pos)
end
end
end
function mob_class:check_water_flow()
-- Add water flowing for mobs from mcl_item_entity
local p, node, nn, def
p = self.object:get_pos()
node = minetest.get_node_or_nil(p)
if node then
nn = node.name
def = minetest.registered_nodes[nn]
end
-- Move item around on flowing liquids
if def and def.liquidtype == "flowing" then
--[[ Get flowing direction (function call from flowlib), if there's a liquid.
NOTE: According to Qwertymine, flowlib.quickflow is only reliable for liquids with a flowing distance of 7.
Luckily, this is exactly what we need if we only care about water, which has this flowing distance. ]]
local vec = flowlib.quick_flow(p, node)
-- Just to make sure we don't manipulate the speed for no reason
if vec.x ~= 0 or vec.y ~= 0 or vec.z ~= 0 then
-- Minecraft Wiki: Flowing speed is "about 1.39 meters per second"
local f = 1.39
-- Set new item moving speed into the direciton of the liquid
local newv = vector.multiply(vec, f)
self.object:set_acceleration({x = 0, y = 0, z = 0})
self.object:set_velocity({x = newv.x, y = -0.22, z = newv.z})
self.physical_state = true
self._flowing = true
self.object:set_properties({
physical = true
})
return
end
elseif self._flowing == true then
-- Disable flowing physics if not on/in flowing liquid
self._flowing = false
return
end
end