forked from VoxeLibre/VoxeLibre
449 lines
9.0 KiB
Lua
449 lines
9.0 KiB
Lua
|
|
-- lib_mount by Blert2112 (edited by TenPlus1)
|
|
|
|
local enable_crash = false
|
|
local crash_threshold = 6.5 -- ignored if enable_crash=false
|
|
|
|
------------------------------------------------------------------------------
|
|
|
|
--
|
|
-- Helper functions
|
|
--
|
|
|
|
local node_ok = function(pos, fallback)
|
|
|
|
fallback = fallback or mobs.fallback_node
|
|
|
|
local node = minetest.get_node_or_nil(pos)
|
|
|
|
if node and minetest.registered_nodes[node.name] then
|
|
return node
|
|
end
|
|
|
|
return {name = fallback}
|
|
end
|
|
|
|
|
|
local function node_is(pos)
|
|
|
|
local node = node_ok(pos)
|
|
|
|
if node.name == "air" then
|
|
return "air"
|
|
end
|
|
|
|
if minetest.get_item_group(node.name, "lava") ~= 0 then
|
|
return "lava"
|
|
end
|
|
|
|
if minetest.get_item_group(node.name, "liquid") ~= 0 then
|
|
return "liquid"
|
|
end
|
|
|
|
if minetest.registered_nodes[node.name].walkable == true then
|
|
return "walkable"
|
|
end
|
|
|
|
return "other"
|
|
end
|
|
|
|
|
|
local function get_sign(i)
|
|
|
|
i = i or 0
|
|
|
|
if i == 0 then
|
|
return 0
|
|
else
|
|
return i / math.abs(i)
|
|
end
|
|
end
|
|
|
|
|
|
local function get_velocity(v, yaw, y)
|
|
|
|
local x = -math.sin(yaw) * v
|
|
local z = math.cos(yaw) * v
|
|
|
|
return {x = x, y = y, z = z}
|
|
end
|
|
|
|
|
|
local function get_v(v)
|
|
return math.sqrt(v.x * v.x + v.z * v.z)
|
|
end
|
|
|
|
|
|
local function force_detach(player)
|
|
|
|
local attached_to = player:get_attach()
|
|
|
|
if not attached_to then
|
|
return
|
|
end
|
|
|
|
local entity = attached_to:get_luaentity()
|
|
|
|
if entity.driver
|
|
and entity.driver == player then
|
|
|
|
entity.driver = nil
|
|
end
|
|
|
|
player:set_detach()
|
|
mcl_player.player_attached[player:get_player_name()] = false
|
|
player:set_eye_offset({x = 0, y = 0, z = 0}, {x = 0, y = 0, z = 0})
|
|
mcl_player.player_set_animation(player, "stand" , 30)
|
|
player:set_properties({visual_size = {x = 1, y = 1} })
|
|
|
|
end
|
|
|
|
-------------------------------------------------------------------------------
|
|
|
|
|
|
minetest.register_on_leaveplayer(function(player)
|
|
force_detach(player)
|
|
end)
|
|
|
|
minetest.register_on_shutdown(function()
|
|
local players = minetest.get_connected_players()
|
|
for i = 1, #players do
|
|
force_detach(players[i])
|
|
end
|
|
end)
|
|
|
|
minetest.register_on_dieplayer(function(player)
|
|
force_detach(player)
|
|
return true
|
|
end)
|
|
|
|
-------------------------------------------------------------------------------
|
|
|
|
function mobs.attach(entity, player)
|
|
|
|
local attach_at, eye_offset = {}, {}
|
|
|
|
entity.player_rotation = entity.player_rotation or {x = 0, y = 0, z = 0}
|
|
entity.driver_attach_at = entity.driver_attach_at or {x = 0, y = 0, z = 0}
|
|
entity.driver_eye_offset = entity.driver_eye_offset or {x = 0, y = 0, z = 0}
|
|
entity.driver_scale = entity.driver_scale or {x = 1, y = 1}
|
|
|
|
local rot_view = 0
|
|
|
|
if entity.player_rotation.y == 90 then
|
|
rot_view = math.pi/2
|
|
end
|
|
|
|
attach_at = entity.driver_attach_at
|
|
eye_offset = entity.driver_eye_offset
|
|
entity.driver = player
|
|
|
|
force_detach(player)
|
|
|
|
player:set_attach(entity.object, "", attach_at, entity.player_rotation)
|
|
mcl_player.player_attached[player:get_player_name()] = true
|
|
player:set_eye_offset(eye_offset, {x = 0, y = 0, z = 0})
|
|
|
|
player:set_properties({
|
|
visual_size = {
|
|
x = entity.driver_scale.x,
|
|
y = entity.driver_scale.y
|
|
}
|
|
})
|
|
|
|
minetest.after(0.2, function()
|
|
mcl_player.player_set_animation(player, "sit" , 30)
|
|
end)
|
|
|
|
--player:set_look_yaw(entity.object:get_yaw() - rot_view)
|
|
player:set_look_horizontal(entity.object:get_yaw() - rot_view)
|
|
end
|
|
|
|
|
|
function mobs.detach(player, offset)
|
|
|
|
force_detach(player)
|
|
|
|
mcl_player.player_set_animation(player, "stand" , 30)
|
|
|
|
local pos = player:get_pos()
|
|
|
|
pos = {x = pos.x + offset.x, y = pos.y + 0.2 + offset.y, z = pos.z + offset.z}
|
|
|
|
minetest.after(0.1, function()
|
|
player:setpos(pos)
|
|
end)
|
|
end
|
|
|
|
|
|
function mobs.drive(entity, moving_anim, stand_anim, can_fly, dtime)
|
|
|
|
local rot_steer, rot_view = math.pi/2, 0
|
|
|
|
if entity.player_rotation.y == 90 then
|
|
rot_steer, rot_view = 0, math.pi/2
|
|
end
|
|
|
|
local acce_y = 0
|
|
local velo = entity.object:getvelocity()
|
|
|
|
entity.v = get_v(velo) * get_sign(entity.v)
|
|
|
|
-- process controls
|
|
if entity.driver then
|
|
|
|
--print ("---velo", get_v(velo))
|
|
|
|
local ctrl = entity.driver:get_player_control()
|
|
|
|
-- move forwards
|
|
if ctrl.up then
|
|
|
|
entity.v = entity.v + entity.accel / 10
|
|
|
|
-- move backwards
|
|
elseif ctrl.down then
|
|
|
|
if entity.max_speed_reverse == 0 and entity.v == 0 then
|
|
return
|
|
end
|
|
|
|
entity.v = entity.v - entity.accel / 10
|
|
end
|
|
|
|
-- fix mob rotation
|
|
entity.object:setyaw(entity.driver:get_look_horizontal() - entity.rotate)
|
|
|
|
if can_fly then
|
|
|
|
-- fly up
|
|
if ctrl.jump then
|
|
velo.y = velo.y + 1
|
|
if velo.y > entity.accel then velo.y = entity.accel end
|
|
|
|
elseif velo.y > 0 then
|
|
velo.y = velo.y - 0.1
|
|
if velo.y < 0 then velo.y = 0 end
|
|
end
|
|
|
|
-- fly down
|
|
if ctrl.sneak then
|
|
velo.y = velo.y - 1
|
|
if velo.y < -entity.accel then velo.y = -entity.accel end
|
|
|
|
elseif velo.y < 0 then
|
|
velo.y = velo.y + 0.1
|
|
if velo.y > 0 then velo.y = 0 end
|
|
end
|
|
|
|
else
|
|
|
|
-- jump
|
|
if ctrl.jump then
|
|
|
|
if velo.y == 0 then
|
|
velo.y = velo.y + entity.jump_height
|
|
acce_y = acce_y + (acce_y * 3) + 1
|
|
end
|
|
end
|
|
|
|
end
|
|
end
|
|
|
|
-- if not moving then set animation and return
|
|
if entity.v == 0 and velo.x == 0 and velo.y == 0 and velo.z == 0 then
|
|
|
|
if stand_anim then
|
|
mobs:set_animation(entity, stand_anim)
|
|
end
|
|
|
|
return
|
|
end
|
|
|
|
-- set moving animation
|
|
if moving_anim then
|
|
mobs:set_animation(entity, moving_anim)
|
|
end
|
|
|
|
-- Stop!
|
|
local s = get_sign(entity.v)
|
|
|
|
entity.v = entity.v - 0.02 * s
|
|
|
|
if s ~= get_sign(entity.v) then
|
|
|
|
entity.object:setvelocity({x = 0, y = 0, z = 0})
|
|
entity.v = 0
|
|
return
|
|
end
|
|
|
|
-- enforce speed limit forward and reverse
|
|
local max_spd = entity.max_speed_reverse
|
|
|
|
if get_sign(entity.v) >= 0 then
|
|
max_spd = entity.max_speed_forward
|
|
end
|
|
|
|
if math.abs(entity.v) > max_spd then
|
|
entity.v = entity.v - get_sign(entity.v)
|
|
end
|
|
|
|
-- Set position, velocity and acceleration
|
|
local p = entity.object:get_pos()
|
|
local new_velo = {x = 0, y = 0, z = 0}
|
|
local new_acce = {x = 0, y = -9.8, z = 0}
|
|
|
|
p.y = p.y - 0.5
|
|
|
|
local ni = node_is(p)
|
|
local v = entity.v
|
|
|
|
if ni == "air" then
|
|
|
|
if can_fly == true then
|
|
new_acce.y = 0
|
|
end
|
|
|
|
elseif ni == "liquid" or ni == "lava" then
|
|
|
|
if ni == "lava" and entity.lava_damage ~= 0 then
|
|
|
|
entity.lava_counter = (entity.lava_counter or 0) + dtime
|
|
|
|
if entity.lava_counter > 1 then
|
|
|
|
minetest.sound_play("default_punch", {
|
|
object = entity.object,
|
|
max_hear_distance = 5
|
|
})
|
|
|
|
entity.object:punch(entity.object, 1.0, {
|
|
full_punch_interval = 1.0,
|
|
damage_groups = {fleshy = entity.lava_damage}
|
|
}, nil)
|
|
|
|
entity.lava_counter = 0
|
|
end
|
|
end
|
|
|
|
if entity.terrain_type == 2
|
|
or entity.terrain_type == 3 then
|
|
|
|
new_acce.y = 0
|
|
p.y = p.y + 1
|
|
|
|
if node_is(p) == "liquid" then
|
|
|
|
if velo.y >= 5 then
|
|
velo.y = 5
|
|
elseif velo.y < 0 then
|
|
new_acce.y = 20
|
|
else
|
|
new_acce.y = 5
|
|
end
|
|
else
|
|
if math.abs(velo.y) < 1 then
|
|
local pos = entity.object:get_pos()
|
|
pos.y = math.floor(pos.y) + 0.5
|
|
entity.object:setpos(pos)
|
|
velo.y = 0
|
|
end
|
|
end
|
|
else
|
|
v = v * 0.25
|
|
end
|
|
end
|
|
|
|
new_velo = get_velocity(v, entity.object:get_yaw() - rot_view, velo.y)
|
|
new_acce.y = new_acce.y + acce_y
|
|
|
|
entity.object:setvelocity(new_velo)
|
|
entity.object:setacceleration(new_acce)
|
|
|
|
-- CRASH!
|
|
if enable_crash then
|
|
|
|
local intensity = entity.v2 - v
|
|
|
|
if intensity >= crash_threshold then
|
|
|
|
--print("----------- crash", intensity)
|
|
|
|
entity.object:punch(entity.object, 1.0, {
|
|
full_punch_interval = 1.0,
|
|
damage_groups = {fleshy = intensity}
|
|
}, nil)
|
|
|
|
end
|
|
end
|
|
|
|
entity.v2 = v
|
|
end
|
|
|
|
|
|
-- directional flying routine by D00Med (edited by TenPlus1)
|
|
|
|
function mobs.fly(entity, dtime, speed, shoots, arrow, moving_anim, stand_anim)
|
|
|
|
local ctrl = entity.driver:get_player_control()
|
|
local velo = entity.object:getvelocity()
|
|
local dir = entity.driver:get_look_dir()
|
|
local yaw = entity.driver:get_look_horizontal() + 1.57 -- offset fix between old and new commands
|
|
local rot_steer, rot_view = math.pi / 2, 0
|
|
|
|
if entity.player_rotation.y == 90 then
|
|
rot_steer, rot_view = 0, math.pi / 2
|
|
end
|
|
|
|
if ctrl.up then
|
|
entity.object:setvelocity({
|
|
x = dir.x * speed,
|
|
y = dir.y * speed + 2,
|
|
z = dir.z * speed
|
|
})
|
|
|
|
elseif ctrl.down then
|
|
entity.object:setvelocity({
|
|
x = -dir.x * speed,
|
|
y = dir.y * speed + 2,
|
|
z = -dir.z * speed
|
|
})
|
|
|
|
elseif not ctrl.down or ctrl.up or ctrl.jump then
|
|
entity.object:setvelocity({x = 0, y = -2, z = 0})
|
|
end
|
|
|
|
entity.object:setyaw(yaw + math.pi + math.pi / 2 - entity.rotate)
|
|
|
|
-- firing arrows
|
|
if ctrl.LMB and ctrl.sneak and shoots then
|
|
|
|
local pos = entity.object:get_pos()
|
|
local obj = minetest.add_entity({
|
|
x = pos.x + 0 + dir.x * 2.5,
|
|
y = pos.y + 1.5 + dir.y,
|
|
z = pos.z + 0 + dir.z * 2.5}, arrow)
|
|
|
|
local ent = obj:get_luaentity()
|
|
if ent then
|
|
ent.switch = 1 -- for mob specific arrows
|
|
ent.owner_id = tostring(entity.object) -- so arrows dont hurt entity you are riding
|
|
local vec = {x = dir.x * 6, y = dir.y * 6, z = dir.z * 6}
|
|
local yaw = entity.driver:get_look_horizontal()
|
|
obj:setyaw(yaw + math.pi / 2)
|
|
obj:setvelocity(vec)
|
|
else
|
|
obj:remove()
|
|
end
|
|
end
|
|
|
|
-- change animation if stopped
|
|
if velo.x == 0 and velo.y == 0 and velo.z == 0 then
|
|
|
|
mobs:set_animation(entity, stand_anim)
|
|
else
|
|
-- moving animation
|
|
mobs:set_animation(entity, moving_anim)
|
|
end
|
|
end
|