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Overhaul separation of swimming and flying for ease of use with writing mobs api

This commit is contained in:
jordan4ibanez 2021-04-17 12:28:07 -04:00
parent 5365dec19a
commit 061602d9d4
4 changed files with 61 additions and 35 deletions

View File

@ -311,6 +311,8 @@ function mobs:register_mob(name, def)
wandering = true,
current_animation = "",
gravity = GRAVITY,
swim = def.swim,
swim_in = def.swim_in or {mobs_mc.items.water_source, "mcl_core:water_flowing", mobs_mc.items.river_water_source},
--set_animation = mobs.set_animation,
--end j4i stuff

View File

@ -173,26 +173,24 @@ end
--[[
______ _ _ _______ _ _
| ___| | (_) / / ___| (_) (_)
| |_ | |_ _ _ _ __ __ _ / /\ `--.__ ___ _ __ ___ _ __ ___ _ _ __ __ _
| _| | | | | | | '_ \ / _` | / / `--. \ \ /\ / / | '_ ` _ \| '_ ` _ \| | '_ \ / _` |
| | | | |_| | | | | | (_| |/ / /\__/ /\ V V /| | | | | | | | | | | | | | | | (_| |
\_| |_|\__, |_|_| |_|\__, /_/ \____/ \_/\_/ |_|_| |_| |_|_| |_| |_|_|_| |_|\__, |
__/ | __/ | __/ |
|___/ |___/ |___/
_____ _
/ ___| (_)
\ `--.__ ___ _ __ ___
`--. \ \ /\ / / | '_ ` _ \
/\__/ /\ V V /| | | | | | |
\____/ \_/\_/ |_|_| |_| |_|
]]--
-- state switching logic (stand, walk, run, attacks)
local fly_state_list_wandering = {"stand", "fly"}
local swim_state_list_wandering = {"stand", "swim"}
local fly_state_switch = function(self, dtime)
local swim_state_switch = function(self, dtime)
self.state_timer = self.state_timer - dtime
if self.wandering and self.state_timer <= 0 then
self.state_timer = math.random(4,10) + math.random()
self.state = fly_state_list_wandering[math.random(1,#fly_state_list_wandering)]
self.state = swim_state_list_wandering[math.random(1,#swim_state_list_wandering)]
end
end
@ -203,13 +201,13 @@ local flop = function(self,dtime)
end
--this is to swap the built in engine acceleration modifier
local fly_physics_swapper = function(self,inside_fly_node)
local swim_physics_swapper = function(self,inside_swim_node)
--should be flying, gravity is applied, switch to floating
if inside_fly_node and self.object:get_acceleration().y ~= 0 then
--should be swimming, gravity is applied, switch to floating
if inside_swim_node and self.object:get_acceleration().y ~= 0 then
self.object:set_acceleration(vector_new(0,0,0))
--not be flying, gravity isn't applied, switch to falling
elseif not inside_fly_node and self.object:get_acceleration().y == 0 then
--not be swim, gravity isn't applied, switch to falling
elseif not inside_swim_node and self.object:get_acceleration().y == 0 then
self.pitch = 0
self.object:set_acceleration(vector_new(0,-self.gravity,0))
end
@ -218,27 +216,27 @@ end
local random_pitch_multiplier = {-1,1}
-- states are executed here
local fly_state_execution = function(self,dtime)
local swim_state_execution = function(self,dtime)
local pos = self.object:get_pos()
pos.y = pos.y + self.object:get_properties().collisionbox[5]
local current_node = minetest_get_node(pos).name
local inside_fly_node = false
local inside_swim_node = false
--quick scan everything to see if inside fly node
for _,id in pairs(self.fly_in) do
--quick scan everything to see if inside swim node
for _,id in pairs(self.swim_in) do
if id == current_node then
inside_fly_node = true
inside_swim_node = true
break
end
end
--turn gravity on or off
fly_physics_swapper(self,inside_fly_node)
swim_physics_swapper(self,inside_swim_node)
--fly properly if inside fly node
if inside_fly_node then
--swim properly if inside swim node
if inside_swim_node then
if self.state == "stand" then
@ -250,9 +248,9 @@ local fly_state_execution = function(self,dtime)
--print("standing")
mobs.set_fly_velocity(self,0)
mobs.set_swim_velocity(self,0)
elseif self.state == "fly" then
elseif self.state == "swim" then
self.walk_timer = self.walk_timer - dtime
@ -270,9 +268,9 @@ local fly_state_execution = function(self,dtime)
end
mobs.set_fly_velocity(self,self.walk_velocity)
mobs.set_swim_velocity(self,self.walk_velocity)
end
--flop around if not inside fly node
--flop around if not inside swim node
else
--print("flopping")
flop(self,dtime)
@ -304,10 +302,10 @@ mobs.mob_step = function(self, dtime)
--swimming/flying
if self.fly then
fly_state_switch(self, dtime)
fly_state_execution(self, dtime)
--swimming
if self.swim then
swim_state_switch(self, dtime)
swim_state_execution(self, dtime)
--regular mobs that walk around
else
land_state_switch(self, dtime)

View File

@ -11,6 +11,17 @@ local vector_multiply = vector.multiply
local minetest_yaw_to_dir = minetest.yaw_to_dir
--[[
_ _
| | | |
| | __ _ _ __ __| |
| | / _` | '_ \ / _` |
| |___| (_| | | | | (_| |
\_____/\__,_|_| |_|\__,_|
]]
-- move mob in facing direction
--this has been modified to be internal
--internal = lua (self.yaw)
@ -71,6 +82,22 @@ mobs.jump = function(self, velocity)
self.object:add_velocity(vector_new(0,velocity,0))
end
--[[
_____ _
/ ___| (_)
\ `--.__ ___ _ __ ___
`--. \ \ /\ / / | '_ ` _ \
/\__/ /\ V V /| | | | | | |
\____/ \_/\_/ |_|_| |_| |_|
]]--
--make mobs flop
mobs.flop = function(self, velocity)
@ -106,7 +133,7 @@ end
--this has been modified to be internal
--internal = lua (self.yaw)
--engine = c++ (self.object:get_yaw())
mobs.set_fly_velocity = function(self, v)
mobs.set_swim_velocity = function(self, v)
local yaw = (self.yaw or 0)
local pitch = (self.pitch or 0)

View File

@ -48,8 +48,7 @@ mobs:register_mob("mobs_mc:squid", {
},
visual_size = {x=3, y=3},
makes_footstep_sound = false,
fly = true,
fly_in = { mobs_mc.items.water_source, "mcl_core:water_flowing", mobs_mc.items.river_water_source },
swim = true,
breathes_in_water = true,
jump = false,
view_range = 16,