126 lines
3.1 KiB
Lua
126 lines
3.1 KiB
Lua
local PATH_DEBUG = true
|
|
local PATH_DISTANCE_TO_GOAL_POINT = 0.7
|
|
|
|
-- Task templates
|
|
|
|
rp_mobs.tasks = {}
|
|
|
|
-- Microtask templates
|
|
|
|
rp_mobs.microtasks = {}
|
|
|
|
rp_mobs.microtasks.pathfind_and_walk_to = function(target_pos, searchdistance, max_jump, max_drop)
|
|
local mtask = {}
|
|
mtask.label = "pathfind and walk to coordinate"
|
|
mtask.on_step = function(mob)
|
|
local start_pos = mob.object:get_pos()
|
|
start_pos.y = math.floor(start_pos.y)
|
|
start_pos = vector.round(start_pos)
|
|
local path = minetest.find_path(start_pos, target_pos, searchdistance, max_jump, max_drop, "A*")
|
|
if not path then
|
|
minetest.log("error", "can't find target")
|
|
return
|
|
end
|
|
if PATH_DEBUG then
|
|
local pathstr = ""
|
|
for p=1, #path do
|
|
local tex
|
|
if p == 1 then
|
|
tex = "rp_mobs_debug_pathfinder_waypoint_start.png"
|
|
elseif p == #path then
|
|
tex = "rp_mobs_debug_pathfinder_waypoint_end.png"
|
|
else
|
|
tex = "rp_mobs_debug_pathfinder_waypoint.png"
|
|
end
|
|
minetest.add_particle({
|
|
pos = path[p],
|
|
expirationtime = 1,
|
|
size = 2,
|
|
texture = tex,
|
|
glow = minetest.LIGHT_MAX,
|
|
})
|
|
end
|
|
end
|
|
local next_pos = path[1]
|
|
local mob_pos = mob.object:get_pos()
|
|
if path[2] then
|
|
local dist_mob_to_next = vector.distance(mob_pos, next_pos)
|
|
local dist_mob_to_next_next = vector.distance(mob_pos, path[2])
|
|
if dist_mob_to_next < PATH_DISTANCE_TO_GOAL_POINT or dist_mob_to_next_next < dist_mob_to_next then
|
|
table.remove(path, 1)
|
|
if #path == 0 then
|
|
return
|
|
end
|
|
next_pos = path[1]
|
|
end
|
|
end
|
|
local dir = vector.direction(mob_pos, next_pos)
|
|
if vector.length(dir) > 0.001 then
|
|
mob._mob_velocity = dir
|
|
mob._mob_velocity_changed = true
|
|
else
|
|
mob._mob_velocity = vector.zero()
|
|
mob._mob_velocity_changed = true
|
|
end
|
|
end
|
|
mtask.is_finished = function(mob)
|
|
local pos = mob.object:get_pos()
|
|
if vector.distance(pos, target_pos) < PATH_DISTANCE_TO_GOAL_POINT then
|
|
-- DEBUG
|
|
minetest.log("error", "target reached")
|
|
return true
|
|
else
|
|
return false
|
|
end
|
|
end
|
|
mtask.on_end = function(mob)
|
|
mob._mob_velocity = vector.zero()
|
|
mob._mob_velocity_changed = true
|
|
end
|
|
return mtask
|
|
end
|
|
|
|
-- DUMMY TEMPLATES (need to do better later)
|
|
|
|
rp_mobs.microtasks.jump = function(strength)
|
|
return {
|
|
label = "jump",
|
|
singlestep = true,
|
|
on_step = function(mob)
|
|
mob.object:add_velocity({x=0, y=strength, z=0})
|
|
end,
|
|
}
|
|
end
|
|
|
|
rp_mobs.microtasks.go_to_x = function(target_x, tolerance)
|
|
return {
|
|
label = "move to x coordinate",
|
|
on_step = function(mob)
|
|
local pos = mob.object:get_pos()
|
|
if pos.x > target_x then
|
|
if mob._mob_velocity.x < -1.001 or mob._mob_velocity.x > -0.999 then
|
|
mob._mob_velocity.x = -1
|
|
mob._mob_velocity_changed = true
|
|
end
|
|
else
|
|
if mob._mob_velocity.x > 1.001 or mob._mob_velocity.x < 0.999 then
|
|
mob._mob_velocity.x = 1
|
|
mob._mob_velocity_changed = true
|
|
end
|
|
end
|
|
end,
|
|
is_finished = function(mob)
|
|
local pos = mob.object:get_pos()
|
|
if math.abs(pos.x - target_x) <= tolerance then
|
|
return true
|
|
else
|
|
return false
|
|
end
|
|
end,
|
|
on_end = function(mob)
|
|
mob._mob_velocity = vector.zero()
|
|
mob._mob_velocity_changed = true
|
|
end,
|
|
}
|
|
end
|