ap_airship-cd2025/walk_map.lua
2024-02-25 17:44:40 -03:00

280 lines
10 KiB
Lua

function ap_airship.clamp(value, min, max)
local retVal = value
if value < min then retVal = min end
if value > max then retVal = max end
--minetest.chat_send_all(value .. " - " ..retVal)
return retVal
end
function ap_airship.reclamp(value, min, max)
local retVal = value
local mid = (max-min)/2
if value > min and value <= (min+mid) then retVal = min end
if value < max and value > (max-mid) then retVal = max end
--minetest.chat_send_all(value .. " - return: " ..retVal .. " - mid: " .. mid)
return retVal
end
local function is_obstacle_zone(pos, start_point, end_point)
local retVal = ap_airship.table_copy(pos)
local min_x = 0
local min_z = 0
local max_x = 0
local max_z = 0
if start_point.x <= end_point.x then min_x = start_point.x else min_x = end_point.x end
if start_point.z <= end_point.z then min_z = start_point.z else min_z = end_point.z end
if start_point.x > end_point.x then max_x = start_point.x else max_x = end_point.x end
if start_point.z > end_point.z then max_z = start_point.z else max_z = end_point.z end
local mid_x = (max_x - min_x)/2
local mid_z = (max_z - min_z)/2
if pos.x < max_x and pos.x > min_x+mid_x and
pos.z < max_z and pos.z > min_z then
retVal.x = max_x + 1
return retVal
end
if pos.x > min_x and pos.x <= min_x+mid_x and
pos.z < max_z and pos.z > min_z then
retVal.x = min_x - 1
return retVal
end
local death_zone = 1.5 --to avoid the "slip" when colliding in y direction
if pos.z < max_z + death_zone and pos.z > min_z+mid_z and
pos.x > min_x and pos.x < max_x then
retVal.z = max_z + 1
return retVal
end
if pos.z > min_z - death_zone and pos.z <= min_z+mid_z and
pos.x > min_x and pos.x < max_x then
retVal.z = min_z - 1
return retVal
end
return retVal
end
function ap_airship.cabin_map(pos, dpos)
local orig_pos = ap_airship.copy_vector(pos)
local position = ap_airship.copy_vector(dpos)
local new_pos = ap_airship.copy_vector(dpos)
new_pos = is_obstacle_zone(new_pos, {x=12, z=153}, {x=2.5, z=143})
new_pos = is_obstacle_zone(new_pos, {x=-12, z=153}, {x=-2.5, z=143})
new_pos = is_obstacle_zone(new_pos, {x=12, z=140}, {x=2.5, z=130})
new_pos = is_obstacle_zone(new_pos, {x=-12, z=140}, {x=-2.5, z=130})
new_pos = is_obstacle_zone(new_pos, {x=12, z=127}, {x=2.5, z=117})
--limit to the cabin
new_pos.z = ap_airship.clamp(new_pos.z, 112, 164)
new_pos.y = -29
new_pos.x = ap_airship.clamp(new_pos.x, -8.42, 8.42)
--minetest.chat_send_all("x: "..new_pos.x.." - z: "..new_pos.z)
return new_pos
end
local function is_cabin_zone(pos)
local cabin_zone = false
if pos.z > -20 and pos.z <= 200 and pos.x > -8 and pos.x < 8 then cabin_zone = true end
return cabin_zone
end
local function is_ladder_zone(pos)
local ladder_zone = false
if pos.z <= 120 and pos.z >= 109 and pos.x > -9 and pos.x < -2 then ladder_zone = true end
return ladder_zone
end
function ap_airship.passengers_deck_map(pos, dpos)
local orig_pos = ap_airship.copy_vector(pos)
local position = ap_airship.copy_vector(dpos)
local new_pos = ap_airship.copy_vector(dpos)
local ladder_zone = is_ladder_zone(pos)
if ladder_zone then
--limiting ladder space
new_pos.z = ap_airship.clamp(new_pos.z, 3, 118)
new_pos.x = ap_airship.clamp(new_pos.x, -8.42, -2)
else
--limiting upper deck
if math.abs(pos.x) < 4 and pos.z <= 3 then --corridor to exit
new_pos.z = ap_airship.clamp(new_pos.z, -115, 5)
new_pos.x = ap_airship.clamp(new_pos.x, -3, 3)
else
new_pos.z = ap_airship.clamp(new_pos.z, 3, 109)
new_pos.x = ap_airship.clamp(new_pos.x, -43, 43)
end
new_pos = is_obstacle_zone(new_pos, {x=30, z=10}, {x=2, z=48})
new_pos = is_obstacle_zone(new_pos, {x=-30, z=10}, {x=-2, z=48})
new_pos = is_obstacle_zone(new_pos, {x=30, z=55}, {x=2, z=90})
new_pos = is_obstacle_zone(new_pos, {x=-30, z=55}, {x=-2, z=90})
end
new_pos.y = 0
--minetest.chat_send_all("x: "..new_pos.x.." - z: "..new_pos.z)
return new_pos
end
function ap_airship.ladder_map(pos, dpos)
local orig_pos = ap_airship.copy_vector(pos)
local position = ap_airship.copy_vector(dpos)
local new_pos = ap_airship.copy_vector(dpos)
new_pos.z = ap_airship.clamp(new_pos.z, 112, 117)
new_pos.x = ap_airship.clamp(new_pos.x, -8.42, -2)
return new_pos
end
function ap_airship.navigate_deck(pos, dpos, player)
local pos_d = dpos
local ladder_zone = is_ladder_zone(pos)
local upper_deck_y = 0
local lower_deck_y = -29
local cabin_zone = is_cabin_zone(pos)
if player then
if pos.y == upper_deck_y then
pos_d = ap_airship.passengers_deck_map(pos, dpos)
elseif pos.y <= lower_deck_y + 5 then
if ladder_zone == false then
pos_d = ap_airship.cabin_map(pos, dpos)
end
elseif pos.y > lower_deck_y and pos.y < 10 then
pos_d = ap_airship.ladder_map(pos, dpos)
end
local ctrl = player:get_player_control()
if ctrl.jump or ctrl.sneak then --ladder
if ladder_zone then
--minetest.chat_send_all(dump(pos))
if ctrl.jump then
pos_d.y = pos_d.y + 0.9
if pos_d.y > upper_deck_y then pos_d.y = upper_deck_y end
end
if ctrl.sneak then
pos_d.y = pos_d.y - 0.9
if pos_d.y < lower_deck_y then pos_d.y = lower_deck_y end
end
end
end
end
--minetest.chat_send_all(dump(pos_d))
return pos_d
end
--note: index variable just for the walk
--this function was improved by Auri Collings on steampunk_blimp
local function get_result_pos(self, player, index)
local pos = nil
if player then
local ctrl = player:get_player_control()
local direction = player:get_look_horizontal()
local rotation = self.object:get_rotation()
local parent_obj = self.object:get_attach()
if parent_obj then
rotation = parent_obj:get_rotation()
end
direction = direction - rotation.y
pos = vector.new()
local y_rot = -math.deg(direction)
pos.y = y_rot --okay, this is strange to keep here, but as I dont use it anyway...
if ctrl.up or ctrl.down or ctrl.left or ctrl.right then
player_api.set_animation(player, "walk", 30)
local speed = 0.4
dir = vector.new(ctrl.up and -1 or ctrl.down and 1 or 0, 0, ctrl.left and 1 or ctrl.right and -1 or 0)
dir = vector.normalize(dir)
dir = vector.rotate(dir, {x = 0, y = -direction, z = 0})
local time_correction = (self.dtime/ap_airship.ideal_step)
local move = speed * time_correction
pos.x = move * dir.x
pos.z = move * dir.z
--lets fake walk sound
if self._passengers_base_pos[index].dist_moved == nil then self._passengers_base_pos[index].dist_moved = 0 end
self._passengers_base_pos[index].dist_moved = self._passengers_base_pos[index].dist_moved + move;
if math.abs(self._passengers_base_pos[index].dist_moved) > 5 then
self._passengers_base_pos[index].dist_moved = 0
minetest.sound_play({name = "default_wood_footstep"},
{object = player, gain = 0.1,
max_hear_distance = 5,
ephemeral = true,})
end
else
player_api.set_animation(player, "stand")
end
end
return pos
end
function ap_airship.move_persons(self)
--self._passenger = nil
if self.object == nil then return end
for i = ap_airship.max_pos,1,-1
do
local player = nil
if self._passengers[i] then player = minetest.get_player_by_name(self._passengers[i]) end
if self.driver_name and self._passengers[i] == self.driver_name then
--clean driver if it's nil
if player == nil then
self._passengers[i] = nil
self.driver_name = nil
end
else
if self._passengers[i] ~= nil then
--minetest.chat_send_all("pass: "..dump(self._passengers[i]))
--the rest of the passengers
if player then
if self._passenger_is_sit[i] == 0 then
local result_pos = get_result_pos(self, player, i)
local y_rot = 0
if result_pos then
y_rot = result_pos.y -- the only field that returns a rotation
local new_pos = ap_airship.copy_vector(self._passengers_base_pos[i])
new_pos.x = new_pos.x - result_pos.z
new_pos.z = new_pos.z - result_pos.x
--minetest.chat_send_all(dump(new_pos))
local pos_d = ap_airship.navigate_deck(self._passengers_base_pos[i], new_pos, player)
--minetest.chat_send_all(dump(height))
self._passengers_base_pos[i] = ap_airship.copy_vector(pos_d)
self._passengers_base[i]:set_attach(self.object,'',self._passengers_base_pos[i],{x=0,y=0,z=0})
end
--minetest.chat_send_all(dump(self._passengers_base_pos[i]))
player:set_attach(self._passengers_base[i], "", {x = 0, y = 0, z = 0}, {x = 0, y = y_rot, z = 0})
else
local y_rot = 0
if self._passenger_is_sit[i] == 1 then y_rot = 0 end
if self._passenger_is_sit[i] == 2 then y_rot = 90 end
if self._passenger_is_sit[i] == 3 then y_rot = 180 end
if self._passenger_is_sit[i] == 4 then y_rot = 270 end
player:set_attach(self._passengers_base[i], "", {x = 0, y = 3.6, z = 0}, {x = 0, y = y_rot, z = 0})
airutils.sit(player)
end
else
--self._passengers[i] = nil
end
end
end
end
end