capturetheflag/mods/ctf/ctf_classes/ranged.lua
ANAND baf5f17878
Fix grapples being usable by firing before punching flag (#632)
Check for player carrying flag in grapple entity's on_step as well.
2020-05-19 12:50:22 +05:30

89 lines
2.5 KiB
Lua

local function recursive_multiply(source, multiplier)
for key, value in pairs(multiplier) do
assert(type(source[key]) == type(value))
if type(value) == "table" then
recursive_multiply(source[key], value)
else
source[key] = source[key] * value
end
end
end
local function get_shooter_specs(weapon_name, multiplier)
local spec = shooter.registered_weapons[weapon_name]
if not spec then
return nil
end
spec = table.copy(spec.spec)
if multiplier then
recursive_multiply(spec, multiplier)
end
return spec
end
shooter.get_weapon_spec = function(user, weapon_name)
local class = ctf_classes.get(user)
if table.indexof(class.properties.allowed_guns or {}, weapon_name) == -1 then
minetest.chat_send_player(user:get_player_name(),
"Your class can't use that weapon! Change your class at spawn")
return nil
end
local spec = get_shooter_specs(weapon_name, class.properties.shooter_multipliers)
if not spec then
return nil
end
return spec
end
local function check_grapple(itemname)
local def = minetest.registered_items[itemname]
local old_func = def.on_use
minetest.override_item(itemname, {
on_use = function(itemstack, user, ...)
if not ctf_classes.get(user).properties.allow_grapples then
minetest.chat_send_player(user:get_player_name(),
"Your class can't use that weapon! Change your class at spawn")
return itemstack
end
if ctf_flag.has_flag(user:get_player_name()) then
minetest.chat_send_player(user:get_player_name(),
"You can't use grapples whilst carrying the flag")
return itemstack
end
return old_func(itemstack, user, ...)
end,
})
end
check_grapple("shooter_hook:grapple_gun_loaded")
check_grapple("shooter_hook:grapple_gun")
check_grapple("shooter_hook:grapple_hook")
-- Override grappling hook entity to check if player has flag before teleporting
local old_grapple_step = minetest.registered_entities["shooter_hook:hook"].on_step
minetest.registered_entities["shooter_hook:hook"].on_step = function(self, dtime, ...)
-- Remove entity if player has flag
-- This is to prevent players from firing the hook, and then punching the flag
if ctf_flag.has_flag(self.user) then
local player = minetest.get_player_by_name(self.user)
if player then
player:get_inventory():add_item("main", "shooter_hook:grapple_hook")
end
minetest.chat_send_player(self.user,
"You can't use grapples whilst carrying the flag")
self.object:remove()
return
end
return old_grapple_step(self, dtime, ...)
end