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Move the API to a api.lua
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PilzAdam committed Sep 19, 2012
1 parent 09f86b4 commit 8929fda
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398 changes: 398 additions & 0 deletions api.lua
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mobs = {}
function mobs:register_monster(name, def)
minetest.register_entity(name, {
hp_max = def.hp_max,
physical = true,
collisionbox = def.collisionbox,
visual = def.visual,
visual_size = def.visual_size,
textures = def.textures,
makes_footstep_sound = def.makes_footstep_sound,
view_range = def.view_range,
walk_velocity = def.walk_velocity,
run_velocity = def.run_velocity,
damage = def.damage,
light_resistant = def.light_resistant,
drop = def.drop,
drop_count = def.drop_count,
armor = def.armor,
drawtype = def.drawtype,

timer = 0,
attack = {player=nil, dist=nil},
state = "stand",
v_start = false,


set_velocity = function(self, v)
local yaw = self.object:getyaw()
if self.drawtype == "side" then
yaw = yaw+(math.pi/2)
end
local x = math.sin(yaw) * -v
local z = math.cos(yaw) * v
self.object:setvelocity({x=x, y=self.object:getvelocity().y, z=z})
end,

get_velocity = function(self)
local v = self.object:getvelocity()
return (v.x^2 + v.z^2)^(0.5)
end,

on_step = function(self, dtime)
if self.object:getvelocity().y > 0.1 then
local yaw = self.object:getyaw()
if self.drawtype == "side" then
yaw = yaw+(math.pi/2)
end
local x = math.sin(yaw) * -2
local z = math.cos(yaw) * 2
self.object:setacceleration({x=x, y=-10, z=z})
else
self.object:setacceleration({x=0, y=-10, z=0})
end

self.timer = self.timer+dtime
if self.state ~= "attack" then
if self.timer < 1 then
return
end
self.timer = 0
end

if not self.light_resistant and minetest.env:get_timeofday() > 0.2 and minetest.env:get_timeofday() < 0.8 and minetest.env:get_node_light(self.object:getpos()) > 3 then
self.object:punch(self.object, 1.0, {
full_punch_interval=1.0,
groupcaps={
fleshy={times={[3]=1/10}},
}
}, nil)
end

if string.find(minetest.env:get_node(self.object:getpos()).name, "default:water") then
self.object:punch(self.object, 1.0, {
full_punch_interval=1.0,
groupcaps={
fleshy={times={[3]=1/1}},
}
}, nil)
end

if string.find(minetest.env:get_node(self.object:getpos()).name, "default:lava") then
self.object:punch(self.object, 1.0, {
full_punch_interval=1.0,
groupcaps={
fleshy={times={[3]=1/2}},
}
}, nil)
end

for _,player in pairs(minetest.get_connected_players()) do
local s = self.object:getpos()
local p = player:getpos()
local dist = ((p.x-s.x)^2 + (p.y-s.y)^2 + (p.z-s.z)^2)^0.5
if dist < self.view_range then
if self.attack.dist then
if self.attack.dist < dist then
self.state = "attack"
self.attack.player = player
self.attack.dist = dist
end
else
self.state = "attack"
self.attack.player = player
self.attack.dist = dist
end
end
end

if self.state == "stand" then
if math.random(1, 2) == 1 then
self.object:setyaw(self.object:getyaw()+((math.random(0,360)-180)/180*math.pi))
end
if math.random(1, 100) <= 50 then
self.set_velocity(self, self.walk_velocity)
self.state = "walk"
end
elseif self.state == "walk" then
if math.random(1, 100) <= 30 then
self.object:setyaw(self.object:getyaw()+((math.random(0,360)-180)/180*math.pi))
self.set_velocity(self, self.get_velocity(self))
end
if math.random(1, 100) <= 10 then
self.set_velocity(self, 0)
self.state = "stand"
end
if self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0 then
local v = self.object:getvelocity()
v.y = 5
self.object:setvelocity(v)
end
elseif self.state == "attack" then
local s = self.object:getpos()
local p = self.attack.player:getpos()
local dist = ((p.x-s.x)^2 + (p.y-s.y)^2 + (p.z-s.z)^2)^0.5
if dist > self.view_range or self.attack.player:get_hp() <= 0 then
self.state = "stand"
self.v_start = false
self.set_velocity(self, 0)
self.attack = {player=nil, dist=nil}
return
else
self.attack.dist = dist
end

local vec = {x=p.x-s.x, y=p.y-s.y, z=p.z-s.z}
local yaw = math.atan(vec.z/vec.x)+math.pi/2
if self.drawtype == "side" then
yaw = yaw+(math.pi/2)
end
if p.x > s.x then
yaw = yaw+math.pi
end
self.object:setyaw(yaw)
if self.attack.dist > 2 then
if not self.v_start then
self.v_start = true
self.set_velocity(self, self.run_velocity)
else
if self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0 then
local v = self.object:getvelocity()
v.y = 5
self.object:setvelocity(v)
end
self.set_velocity(self, self.run_velocity)
end
else
self.set_velocity(self, 0)
self.v_start = false
if self.timer > 1 then
self.timer = 0
local d1 = 10
local d2 = 10
local d3 = 10
if self.damage > 0 then
d3 = 1/self.damage
end
if self.damage > 1 then
d2 = 1/(self.damage-1)
end
if self.damage > 2 then
d1 = 1/(self.damage-2)
end
self.attack.player:punch(self.object, 1.0, {
full_punch_interval=1.0,
groupcaps={
fleshy={times={[1]=d1, [2]=d2, [3]=d3}},
}
}, vec)
end
end
end
end,

on_activate = function(self, staticdata)
self.object:set_armor_groups({fleshy=self.armor})
self.object:setacceleration({x=0, y=-10, z=0})
self.state = "stand"
self.object:setvelocity({x=0, y=self.object:getvelocity().y, z=0})
self.object:setyaw(math.random(1, 360)/180*math.pi)
end,

on_punch = function(self, hitter)
if self.object:get_hp() <= 0 then
if hitter and hitter:is_player() and hitter:get_inventory() then
for i=1,math.random(0,2)-1+self.drop_count do
hitter:get_inventory():add_item("main", ItemStack(self.drop))
end
else
for i=1,math.random(0,2)-1+self.drop_count do
local obj = minetest.env:add_item(self.object:getpos(), self.drop)
if obj then
obj:get_luaentity().collect = true
local x = math.random(1, 5)
if math.random(1,2) == 1 then
x = -x
end
local z = math.random(1, 5)
if math.random(1,2) == 1 then
z = -z
end
obj:setvelocity({x=1/x, y=obj:getvelocity().y, z=1/z})
end
end
end
end
end,

})
end

function mobs:register_animal(name, def)
minetest.register_entity(name, {
hp_max = def.hp_max,
physical = true,
collisionbox = def.collisionbox,
visual = def.visual,
visual_size = def.visual_size,
textures = def.textures,
makes_footstep_sound = def.makes_footstep_sound,
walk_velocity = def.walk_velocity,
drop = def.drop,
on_rightclick = def.on_rightclick,
drop_count = def.drop_count,
drawtype = def.drawtype,

timer = 0,
state = "stand",


set_velocity = function(self, v)
local yaw = self.object:getyaw()
if self.drawtype == "side" then
yaw = yaw+(math.pi/2)
end
local x = math.sin(yaw) * -v
local z = math.cos(yaw) * v
self.object:setvelocity({x=x, y=self.object:getvelocity().y, z=z})
end,

get_velocity = function(self)
local v = self.object:getvelocity()
return (v.x^2 + v.z^2)^(0.5)
end,

on_step = function(self, dtime)
if self.object:getvelocity().y > 0.1 then
local yaw = self.object:getyaw()
if self.drawtype == "side" then
yaw = yaw+(math.pi/2)
end
local x = math.sin(yaw) * -2
local z = math.cos(yaw) * 2
self.object:setacceleration({x=x, y=-10, z=z})
else
self.object:setacceleration({x=0, y=-10, z=0})
end

self.timer = self.timer+dtime
if self.timer < 1 then
return
end
self.timer = 0

if string.find(minetest.env:get_node(self.object:getpos()).name, "default:lava") then
self.object:punch(self.object, 1.0, {
full_punch_interval=1.0,
groupcaps={
fleshy={times={[3]=1/2}},
}
}, nil)
end

if self.state == "stand" then
if math.random(1, 2) == 1 then
self.object:setyaw(self.object:getyaw()+((math.random(0,360)-180)/180*math.pi))
end
if math.random(1, 100) <= 50 then
self.set_velocity(self, self.walk_velocity)
self.state = "walk"
end
elseif self.state == "walk" then
if math.random(1, 100) <= 30 then
self.object:setyaw(self.object:getyaw()+((math.random(0,360)-180)/180*math.pi))
self.set_velocity(self, self.get_velocity(self))
end
if math.random(1, 100) <= 10 then
self.set_velocity(self, 0)
self.state = "stand"
end
if self.get_velocity(self) <= 0.5 and self.object:getvelocity().y == 0 then
local v = self.object:getvelocity()
v.y = 5
self.object:setvelocity(v)
end
end
end,

on_activate = function(self, staticdata)
self.object:set_armor_groups({fleshy=3})
self.object:setacceleration({x=0, y=-10, z=0})
self.state = "stand"
self.object:setvelocity({x=0, y=self.object:getvelocity().y, z=0})
self.object:setyaw(math.random(1, 360)/180*math.pi)
end,

on_punch = function(self, hitter)
if self.object:get_hp() <= 0 then
if hitter and hitter:is_player() and hitter:get_inventory() then
for i=1,math.random(0,2)-1+self.drop_count do
hitter:get_inventory():add_item("main", ItemStack(self.drop))
end
else
for i=1,math.random(0,2)-1+self.drop_count do
local obj = minetest.env:add_item(self.object:getpos(), self.drop)
if obj then
obj:get_luaentity().collect = true
local x = math.random(1, 5)
if math.random(1,2) == 1 then
x = -x
end
local z = math.random(1, 5)
if math.random(1,2) == 1 then
z = -z
end
obj:setvelocity({x=1/x, y=obj:getvelocity().y, z=1/z})
end
end
end
end
end,

})
end

function mobs:register_spawn(name, nodes, max_light, min_light, chance, mobs_per_30_block_radius)
minetest.register_abm({
nodenames = nodes,
neighbors = nodes,
interval = 30,
chance = chance,
action = function(pos, node)
pos.y = pos.y+1
if not minetest.env:get_node_light(pos) then
return
end
if minetest.env:get_node_light(pos) > max_light then
return
end
if minetest.env:get_node_light(pos) < min_light then
return
end
if minetest.env:get_node(pos).name ~= "air" then
return
end
pos.y = pos.y+1
if minetest.env:get_node(pos).name ~= "air" then
return
end

local count = 0
for _,obj in pairs(minetest.env:get_objects_inside_radius(pos, 30)) do
if obj:is_player() then
return
elseif obj:get_luaentity().name == name then
count = count+1
end
end
if count > mobs_per_30_block_radius then
return
end

if minetest.setting_getbool("display_mob_spawn") then
minetest.chat_send_all("[mobs] Add "..name.." at "..minetest.pos_to_string(pos))
end
minetest.env:add_entity(pos, name)
end
})
end

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