capturetheflag/mods/other/playerplus/init.lua

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2021-06-03 13:19:35 +00:00
--[[
walking on ice makes player walk faster,
stepping through snow slows player down,
touching a cactus hurts player,
suffocation when head is inside solid node,
player knock-back effects when punched.
PlayerPlus by TenPlus1
]]
playerplus = {}
-- detect minetest 5.0
local mt50 = minetest.registered_nodes["default:permafrost"]
-- get node but use fallback for nil or unknown
local node_ok = function(pos, fallback)
fallback = fallback or "air"
local node = minetest.get_node_or_nil(pos)
if node and minetest.registered_nodes[node.name] then
return node.name
end
return fallback
end
local time = 0
minetest.register_globalstep(function(dtime)
time = time + dtime
-- every 1 second
if time < 1 then
return
end
-- reset time for next check
time = 0
-- define locals outside loop
local name, pos, ndef, def, nslow, nfast, prop
-- get list of players
local players = minetest.get_connected_players()
-- loop through players
for _,player in pairs(players) do
-- who am I?
name = player:get_player_name()
if name and playerplus[name] then
-- where am I?
pos = player:get_pos()
-- what is around me?
playerplus[name].nod_stand = node_ok({
x = pos.x, y = pos.y - 0.1, z = pos.z})
-- Does the node below me have an on_walk_over function set?
ndef = minetest.registered_nodes[playerplus[name].nod_stand]
if ndef and ndef.on_walk_over then
ndef.on_walk_over(pos, ndef, player)
end
prop = player:get_properties()
-- node at eye level
playerplus[name].nod_head = node_ok({
x = pos.x, y = pos.y + prop.eye_height, z = pos.z})
-- node at foot level
playerplus[name].nod_feet = node_ok({
x = pos.x, y = pos.y + 0.2, z = pos.z})
-- are we standing on any nodes that speed player up?
nfast = nil
if playerplus[name].nod_stand == "default:ice" then
nfast = true
end
-- are we standing on any nodes that slow player down?
nslow = nil
if playerplus[name].nod_stand == "default:snow"
or playerplus[name].nod_stand == "default:snowblock" then
nslow = true
end
-- apply speed changes
if nfast and not playerplus[name].nfast then
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physics.set(name, "playerplus:nfast", {speed = 1.2})
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playerplus[name].nfast = true
elseif not nfast and playerplus[name].nfast then
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physics.remove(name, "playerplus:nfast")
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playerplus[name].nfast = nil
end
-- apply slowdown changes
if nslow and not playerplus[name].nslow then
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physics.set(name, "playerplus:nslow", {speed = 0.85})
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playerplus[name].nslow = true
elseif not nslow and playerplus[name].nslow then
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physics.remove(name, "playerplus:nslow")
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playerplus[name].nslow = nil
end
-- Is player suffocating inside a normal node without no_clip privs?
local ndef = minetest.registered_nodes[playerplus[name].nod_head]
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if not ctf_match.is_in_build_time()
and ndef.walkable == true
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and ndef.drowning == 0
and ndef.damage_per_second <= 0
and ndef.groups.disable_suffocation ~= 1
and ndef.drawtype == "normal"
and not minetest.check_player_privs(name, {noclip = true}) then
if player:get_hp() > 0 then
player:set_hp(player:get_hp() - 2)
end
end
-- am I near a cactus?
local near = minetest.find_node_near(pos, 1, "default:cactus")
if near then
-- am I touching the cactus? if so it hurts
for _,object in pairs(minetest.get_objects_inside_radius(near, 1.1)) do
if object:get_hp() > 0 then
object:set_hp(object:get_hp() - 2)
end
end
end
end -- END if name
end
end)
-- check for old sneak_glitch setting
local old_sneak = minetest.settings:get_bool("old_sneak")
-- set to blank on join (for 3rd party mods)
minetest.register_on_joinplayer(function(player)
local name = player:get_player_name()
playerplus[name] = {}
playerplus[name].nod_head = ""
playerplus[name].nod_feet = ""
playerplus[name].nod_stand = ""
-- apply old sneak glitch if enabled
if old_sneak then
player:set_physics_override({new_move = false, sneak_glitch = true})
end
end)
-- clear when player leaves
minetest.register_on_leaveplayer(function(player)
playerplus[ player:get_player_name() ] = nil
end)
-- add privelage to disable knock-back
minetest.register_privilege("no_knockback", {
description = "Disables player knock-back effect",
give_to_singleplayer = false})
-- is player knock-back effect enabled?
if minetest.settings:get_bool("player_knockback") == true then
-- player knock-back function
local punchy = function(
player, hitter, time_from_last_punch, tool_capabilities, dir, damage)
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-- disable knockback during build time
if ctf_match.is_in_build_time() then return end
-- check if player and hitter are in the same team
if ctf.player(player:get_player_name()).team == ctf.player(hitter:get_player_name()).team then
return
end
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if not dir then return end
-- check if player has 'no_knockback' privelage
local privs = minetest.get_player_privs(player:get_player_name())
if privs["no_knockback"] then
return
end
local damage = 0
-- get tool damage
if tool_capabilities then
local armor = player:get_armor_groups() or {}
local tmp
for group,_ in pairs( (tool_capabilities.damage_groups or {}) ) do
tmp = time_from_last_punch / (tool_capabilities.full_punch_interval or 1.4)
if tmp < 0 then
tmp = 0.0
elseif tmp > 1 then
tmp = 1.0
end
damage = damage + (tool_capabilities.damage_groups[group] or 0) * tmp
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-- limit knockback
if damage > 8 then
damage = 8
end
end
-- disable knockback for swords
if tool_capabilities.damage_groups["sword"] then
damage = 0
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end
-- check for knockback value
if tool_capabilities.damage_groups["knockback"] then
damage = tool_capabilities.damage_groups["knockback"]
end
end
-- END tool damage
-- print ("---", player:get_player_name(), damage)
-- knock back player
player:add_velocity({
x = dir.x * (damage * 2),
y = -1,
z = dir.z * (damage * 2)
})
end
minetest.register_on_punchplayer(punchy)
end -- END if
minetest.register_tool("playerplus:stick", {
description = "KB Stick",
inventory_image = "default_stick.png",
wield_image = "default_stick.png",
tool_capabilities = {
full_punch_interval = 1.4,
damage_groups = {fleshy = 0, knockback = 11},
},
})
--[[
minetest.override_item("default:mese", {
on_walk_over = function(pos, node, player)
print ("---", node.name, player:get_player_name() )
end
})
]]