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Added throwable potions

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TenPlus1 2015-11-04 19:34:58 +00:00
parent bdb715c958
commit 3a326e4734
3 changed files with 408 additions and 2 deletions
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12
README.md
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@ -2,4 +2,14 @@ Teleport Potion
This minetest mod adds both a teleportation potion and pad to the game
https://forum.minetest.net/viewtopic.php?f=9&t=9234
https://forum.minetest.net/viewtopic.php?f=9&t=9234
Changes:
0.5 - Added throwable potions
0.4 - Code tidy and particle effects added
0.3 - Added Teleport Pad
0.2 - Bug fixes
0.1 - Added SFX
0.0 - Initial release

307
init (copy 1).lua Executable file
View file

@ -0,0 +1,307 @@
--= Teleport Potion mod 0.4 by TenPlus1
-- Create teleport potion or pad, place then right-click to enter coords
-- and step onto pad or walk into the blue portal light, portal closes after
-- 10 seconds, pad remains... SFX are license Free...
teleport = {}
-- teleport portal recipe
minetest.register_craft({
output = 'teleport_potion:potion',
type = "shapeless",
recipe = {'vessels:glass_bottle', 'default:diamondblock'}
})
-- teleport pad recipe
minetest.register_craft({
output = 'teleport_potion:pad',
recipe = {
{"teleport_potion:potion", 'default:glass', "teleport_potion:potion"},
{"default:glass", "default:mese", "default:glass"},
{"teleport_potion:potion", "default:glass", "teleport_potion:potion"}
}
})
-- default coords (from static spawnpoint or default values at end)
teleport.default = (minetest.setting_get_pos("static_spawnpoint") or {x = 0, y = 2, z = 0})
-- teleport portal
minetest.register_node("teleport_potion:portal", {
drawtype = "plantlike",
tiles = {
{name="portal.png",
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 1.0
}
}
},
light_source = default.LIGHT_MAX - 2,
walkable = false,
paramtype = "light",
pointable = false,
buildable_to = true,
waving = 1,
sunlight_propagates = true,
damage_per_second = 1, -- walking into portal also hurts player
-- start timer when portal appears
on_construct = function(pos)
minetest.get_node_timer(pos):start(10)
end,
-- remove portal after 10 seconds
on_timer = function(pos)
minetest.sound_play("portal_close", {
pos = pos,
gain = 1.0,
max_hear_distance = 10
})
minetest.set_node(pos, {name = "air"})
end,
})
-- teleport potion
minetest.register_node("teleport_potion:potion", {
tiles = {"pad.png"},
drawtype = "signlike",
paramtype = "light",
paramtype2 = "wallmounted",
walkable = false,
sunlight_propagates = true,
description="Teleport Potion (place and right-click to enchant location)",
inventory_image = "potion.png",
wield_image = "potion.png",
groups = {snappy = 3, dig_immediate = 3},
selection_box = {type = "wallmounted"},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
-- text entry formspec
meta:set_string("formspec", "field[text;;${text}]")
meta:set_string("infotext", "Enter teleport coords (e.g 200,20,-200)")
meta:set_string("text", teleport.default.x..","..teleport.default.y..","..teleport.default.z)
-- set default coords
meta:set_float("x", teleport.default.x)
meta:set_float("y", teleport.default.y)
meta:set_float("z", teleport.default.z)
end,
-- right-click to enter new coords
on_right_click = function(pos, placer)
local meta = minetest.get_meta(pos)
end,
-- check if coords ok then open portal, otherwise return potion
on_receive_fields = function(pos, formname, fields, sender)
local coords = teleport.coordinates(fields.text)
local meta = minetest.get_meta(pos)
local name = sender:get_player_name()
if coords then
minetest.set_node(pos, {name = "teleport_potion:portal"})
local newmeta = minetest.get_meta(pos)
-- set portal destination
newmeta:set_float("x", coords.x)
newmeta:set_float("y", coords.y)
newmeta:set_float("z", coords.z)
newmeta:set_string("text", fields.text)
-- portal open effect and sound
tp_effect(pos)
minetest.sound_play("portal_open", {
pos = pos,
gain = 1.0,
max_hear_distance = 10
})
else
minetest.chat_send_player(name, 'Potion failed!')
minetest.set_node(pos, {name = "air"})
minetest.add_item(pos, 'teleport_potion:potion')
end
end,
})
-- teleport pad
minetest.register_node("teleport_potion:pad", {
tiles = {"padd.png"},
drawtype = 'nodebox',
paramtype = "light",
paramtype2 = "wallmounted",
walkable = true,
sunlight_propagates = true,
description="Teleport Pad (place and right-click to enchant location)",
inventory_image = "padd.png",
wield_image = "padd.png",
light_source = 5,
groups = {snappy = 3},
node_box = {
type = "wallmounted",
wall_top = {-0.5, 0.4375, -0.5, 0.5, 0.5, 0.5},
wall_bottom = {-0.5, -0.5, -0.5, 0.5, -0.4375, 0.5},
wall_side = {-0.5, -0.5, -0.5, -0.4375, 0.5, 0.5},
},
selection_box = {type = "wallmounted"},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
-- text entry formspec
meta:set_string("formspec", "field[text;;${text}]")
meta:set_string("infotext", "Enter teleport coords (e.g 200,20,-200)")
meta:set_string("text", teleport.default.x..","..teleport.default.y..","..teleport.default.z)
-- set default coords
meta:set_float("x", teleport.default.x)
meta:set_float("y", teleport.default.y)
meta:set_float("z", teleport.default.z)
end,
-- right-click to enter new coords
on_right_click = function(pos, placer)
local meta = minetest.get_meta(pos)
end,
-- once entered, check coords, if ok then return potion
on_receive_fields = function(pos, formname, fields, sender)
local coords = teleport.coordinates(fields.text)
local meta = minetest.get_meta(pos)
local name = sender:get_player_name()
if minetest.is_protected(pos, name) then
minetest.record_protection_violation(pos, name)
return
end
if coords then
local newmeta = minetest.get_meta(pos)
newmeta:set_float("x", coords.x)
newmeta:set_float("y", coords.y)
newmeta:set_float("z", coords.z)
newmeta:set_string("text", fields.text)
meta:set_string("infotext", "Pad Active ("..coords.x..","..coords.y..","..coords.z..")")
minetest.sound_play("portal_open", {
pos = pos,
gain = 1.0,
max_hear_distance = 10
})
else
minetest.chat_send_player(name, 'Teleport Pad coordinates failed!')
end
end,
})
teleport.coordinates = function(str)
if not str or str == "" then return nil end
-- get coords from string
local x, y, z = string.match(str, "^(-?%d+),(-?%d+),(-?%d+)")
-- check coords
if x == nil or string.len(x) > 6
or y == nil or string.len(y) > 6
or z == nil or string.len(z) > 6 then
return nil
end
-- convert string coords to numbers
x = tonumber(x)
y = tonumber(y)
z = tonumber(z)
-- are coords in map range ?
if x > 30900 or x < -30900
or y > 30900 or y < -30900
or z > 30900 or z < -30900 then
return nil
end
-- return ok coords
return {x = x, y = y, z = z}
end
-- particle effects
function tp_effect(pos)
minetest.add_particlespawner({
amount = 20,
time = 0.25,
minpos = pos,
maxpos = pos,
minvel = {x = -2, y = -2, z = -2},
maxvel = {x = 2, y = 2, z = 2},
minacc = {x = -4, y = -4, z = -4},
maxacc = {x = 4, y = 4, z = 4},
minexptime = 0.1,
maxexptime = 1,
minsize = 0.5,
maxsize = 1,
texture = "particle.png",
})
end
-- check pad and teleport objects on top
minetest.register_abm({
nodenames = {"teleport_potion:portal", "teleport_potion:pad"},
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
-- check objects inside pad/portal
local objs = minetest.get_objects_inside_radius(pos, 1)
if #objs == 0 then return end
-- get coords from pad/portal
local meta = minetest.get_meta(pos)
local target_coords = {
x = meta:get_float("x"),
y = meta:get_float("y"),
z = meta:get_float("z")
}
for k, player in pairs(objs) do
if player:get_player_name() then
-- play sound on portal end
minetest.sound_play("portal_close", {
pos = pos,
gain = 1.0,
max_hear_distance = 5
})
-- move player/object
player:moveto(target_coords, false)
-- paricle effects on arrival
tp_effect(target_coords)
-- play sound on destination end
minetest.sound_play("portal_close", {
pos = target_coords,
gain = 1.0,
max_hear_distance = 5
})
end
end
end
})

91
init.lua
View file

@ -94,6 +94,16 @@ minetest.register_node("teleport_potion:potion", {
meta:set_float("z", teleport.default.z)
end,
on_use = function(itemstack, user)
throw_potion(itemstack, user)
if not minetest.setting_getbool("creative_mode") then
itemstack:take_item()
return itemstack
end
end,
-- right-click to enter new coords
on_right_click = function(pos, placer)
local meta = minetest.get_meta(pos)
@ -304,4 +314,83 @@ minetest.register_abm({
end
end
end
})
})
-- Throwable potions
local potion_entity = {
physical = false,
visual = "sprite",
visual_size = {x = 1.0, y = 1.0},
textures = {"potion.png"},
collisionbox = {0,0,0,0,0,0},
lastpos = {},
player = "",
}
potion_entity.on_step = function(self, dtime)
if not self.player then
self.object:remove()
return
end
local pos = self.object:getpos()
local node = minetest.get_node(pos)
if self.lastpos.x ~= nil then
if node.name ~= "air" then
if self.player ~= "" then
self.player:setpos(self.lastpos)
minetest.sound_play("portal_close", {
pos = self.lastpos,
gain = 1.0,
max_hear_distance = 5
})
tp_effect(self.lastpos)
end
self.object:remove()
return
end
end
self.lastpos = pos
end
minetest.register_entity("teleport_potion:potion_entity", potion_entity)
function throw_potion(itemstack, player)
local playerpos = player:getpos()
local obj = minetest.add_entity({
x = playerpos.x,
y = playerpos.y + 1.5,
z = playerpos.z
}, "teleport_potion:potion_entity")
local dir = player:get_look_dir()
local velocity = 20
obj:setvelocity({
x = dir.x * velocity,
y = dir.y * velocity,
z = dir.z * velocity
})
obj:setacceleration({
x = dir.x * -3,
y = -9.5,
z = dir.z * -3
})
obj:setyaw(player:get_look_yaw() + math.pi)
obj:get_luaentity().player = player
end