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Teleport inside plants and vines w/ ender pearl

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This commit is contained in:
Wuzzy 2017-05-26 18:12:35 +02:00
parent 75fbf7f95e
commit 16d018b406
1 changed files with 36 additions and 30 deletions
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66
mods/ITEMS/mcl_throwing/throwable.lua
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@ -169,49 +169,55 @@ local pearl_on_step = function(self, dtime)
-- Destroy when hitting a solid node -- Destroy when hitting a solid node
if self._lastpos.x~=nil then if self._lastpos.x~=nil then
local walkable = (def and def.walkable)
-- No teleport for hitting ignore for now. Otherwise the player could get stuck. -- No teleport for hitting ignore for now. Otherwise the player could get stuck.
-- FIXME: This also means the player loses an ender pearl for throwing into unloaded areas -- FIXME: This also means the player loses an ender pearl for throwing into unloaded areas
if node.name == "ignore" then if node.name == "ignore" then
self.object:remove() self.object:remove()
-- Activate when hitting a solid node or a plant -- Activate when hitting a solid node or a plant
elseif nn == "mcl_core:vine" or nn == "mcl_core:deadbush" or minetest.get_item_group(nn, "flower") ~= 0 or minetest.get_item_group(nn, "sapling") ~= 0 or minetest.get_item_group(nn, "plant") ~= 0 or minetest.get_item_group(nn, "mushroom") ~= 0 or (def and def.walkable) or not def then elseif walkable or nn == "mcl_core:vine" or nn == "mcl_core:deadbush" or minetest.get_item_group(nn, "flower") ~= 0 or minetest.get_item_group(nn, "sapling") ~= 0 or minetest.get_item_group(nn, "plant") ~= 0 or minetest.get_item_group(nn, "mushroom") ~= 0 or not def then
local player = minetest.get_player_by_name(self._thrower) local player = minetest.get_player_by_name(self._thrower)
if player then if player then
-- Teleport and hurt player -- Teleport and hurt player
-- But first determine good teleport position -- First determine good teleport position
local v = self.object:getvelocity()
v = vector.normalize(v)
-- Zero-out the two axes with a lower absolute value than
-- the axis with the strongest force
local lv, ld
lv, ld = math.abs(v.y), "y"
if math.abs(v.x) > lv then
lv, ld = math.abs(v.x), "x"
end
if math.abs(v.z) > lv then
lv, ld = math.abs(v.z), "z"
end
if ld ~= "x" then v.x = 0 end
if ld ~= "y" then v.y = 0 end
if ld ~= "z" then v.z = 0 end
-- Final tweaks to the teleporting pos, based on direction
local dir = {x=0, y=0, z=0} local dir = {x=0, y=0, z=0}
-- Impact from the side if walkable then
dir.x = v.x * -1 -- Node is walkable, we have to find a place somewhere outside of that node
dir.z = v.z * -1 local v = self.object:getvelocity()
v = vector.normalize(v)
-- Special case: top or bottom of node -- Zero-out the two axes with a lower absolute value than
if v.y > 0 then -- the axis with the strongest force
-- We need more space when impact is from below local lv, ld
dir.y = -2.3 lv, ld = math.abs(v.y), "y"
elseif v.y < 0 then if math.abs(v.x) > lv then
-- Standing on top lv, ld = math.abs(v.x), "x"
dir.y = 0.5 end
if math.abs(v.z) > lv then
lv, ld = math.abs(v.z), "z"
end
if ld ~= "x" then v.x = 0 end
if ld ~= "y" then v.y = 0 end
if ld ~= "z" then v.z = 0 end
-- Final tweaks to the teleporting pos, based on direction
-- Impact from the side
dir.x = v.x * -1
dir.z = v.z * -1
-- Special case: top or bottom of node
if v.y > 0 then
-- We need more space when impact is from below
dir.y = -2.3
elseif v.y < 0 then
-- Standing on top
dir.y = 0.5
end
end end
-- If node was not walkable, no modification to pos is made.
-- Final teleportation position -- Final teleportation position
local telepos = vector.add(pos, dir) local telepos = vector.add(pos, dir)