minetest-mod-snowball/init.lua

76 lines
2.2 KiB
Lua

core.register_on_mods_loaded(function()
core.override_item("default:snow", {
on_use = function(itemstack, user, pointed_thing)
local name = user:get_player_name()
if not name then return end
if not core.check_player_privs(name, {creative = true}) then
itemstack:take_item()
end
local pos = user:get_pos()
local dir = user:get_look_dir()
local yaw = user:get_look_horizontal()
if pos and dir then
pos.y = pos.y + 1.5
local obj = core.add_entity(pos, "snowball:snowball", name)
if obj then
obj:set_velocity({x=dir.x * 20, y=dir.y * 20, z=dir.z * 20})
obj:set_acceleration({x=dir.x * -3, y=-10, z=dir.z * -3})
obj:set_yaw(yaw)
end
end
return itemstack
end})
end)
local snowball = {
physical = true,
timer = 0,
visual = "sprite",
visual_size = {x=0.5, y=0.5,},
textures = {'default_snowball.png'},
collisionbox = {-0.25,-0.25,-0.25,0.25,0.25,0.25},
pointable = false,
collide_with_objects = false,
}
snowball.on_activate = function(self, staticdata)
local thrower = core.get_player_by_name(staticdata)
if thrower then
self["thrower"] = thrower
end
end
snowball.on_step = function(self, dtime, moveresult)
self.timer = self.timer + dtime
local pos = self.object:get_pos()
local yaw = self.object:get_yaw()
if self.timer > 0.2 then
local objs = core.get_objects_inside_radius({x = pos.x, y = pos.y-1, z = pos.z}, 1)
for k, obj in pairs(objs) do
if not obj then goto nodes end
local prop = obj:get_properties()
if not prop then goto nodes end
if obj:is_player() or prop.collide_with_objects == true then
local thrower = self["thrower"] or self.object
obj:punch(thrower, 1.0, {
full_punch_interval = 1.0,
damage_groups= {fleshy = 1},
}, nil)
core.sound_play("default_dig_cracky", {pos = pos, gain = 0.8})
self.object:remove()
end
end
end
::nodes::
if moveresult.collides then
if not core.is_protected(pos,"") then
core.add_node(pos, {name="default:snow",param2=0})
core.check_for_falling(pos)
end
core.sound_play("default_dig_cracky", {pos = self.lastpos, gain = 0.8})
self.object:remove()
end
end
core.register_entity("snowball:snowball", snowball)