1da3049808
Forked from Git commit 036666e. Original repo & forum thread appear to have been deleted.
344 lines
8.9 KiB
Lua
344 lines
8.9 KiB
Lua
creeper = {}
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--[[
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-- DISABLED!!!
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do return end
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--]]
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dofile(minetest.get_modpath("creeper").."/tnt_function.lua")
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dofile(minetest.get_modpath("creeper").."/spawn.lua")
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local function jump(self,pos,direction)
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local velocity = self.object:getvelocity()
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if minetest.registered_nodes[minetest.get_node(pos).name].climbable then
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self.object:setvelocity({x=velocity.x,y=4,z=velocity.z})
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return
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end
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local spos = {x=pos.x+direction.x,y=pos.y,z=pos.z+direction.z}
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local node = minetest.get_node_or_nil(spos)
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spos.y = spos.y+1
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local node2 = minetest.get_node_or_nil(spos)
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local def,def2 = {}
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if node and node.name then
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def = minetest.registered_items[node.name]
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end
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if node2 and node2.name then
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def2 = minetest.registered_items[node2.name]
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end
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if def and def.walkable
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and def2 and not def2.walkable
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and def.drawtype ~= "fencelike" then
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self.object:setvelocity({
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x=velocity.x*2.2,
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y=self.jump_height,
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z=velocity.z*2.2
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})
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end
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end
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local function random_turn(self)
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if self.turn_timer > math.random(2,5) then
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local select_turn = math.random(1,3)
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if select_turn == 1 then
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self.turn = "left"
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elseif select_turn == 2 then
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self.turn = "right"
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elseif select_turn == 3 then
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self.turn = "straight"
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end
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self.turn_timer = 0
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self.turn_speed = 0.05*math.random()
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end
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end
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local def = {
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hp_max = 20,
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physical = true,
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collisionbox = {-0.25,-0.7,-0.25, 0.25,0.8,0.25},
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visual = "mesh",
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mesh = "character.b3d",
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textures = {"creeper.png"},
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makes_footstep_sound = false,
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-- Original
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animation = {
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stand_START = 0,
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stand_END = 79,
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walk_START = 168,
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walk_END = 187
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},
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walk_speed = 1.5,
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jump_height = 5,
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animation_speed = 30,
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knockback_level = 2
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}
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def.on_activate = function(self,staticdata)
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self.yaw = 0
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self.anim = 1
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self.timer = 0
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self.visualx = 1
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self.jump_timer = 0
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self.turn_timer = 0
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self.turn_speed = 0
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self.powered = false
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self.knockback = false
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self.state = math.random(1,2)
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self.old_y = self.object:getpos().y
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local data = minetest.deserialize(staticdata)
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if data and type(data) == "table" then
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if data.powered == true then
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self.powered = true
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self.object:set_properties({textures = {"creeper_powered.png"}})
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end
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else
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if math.random(0,20) == 20 then
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self.powered = true
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self.object:set_properties({textures = {"creeper_powered.png"}})
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end
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end
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end
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def.on_step = function(self, dtime)
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if self.knockback then
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return
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end
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local ANIM_STAND = 1
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local ANIM_WALK = 2
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local pos = self.object:getpos()
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local yaw = self.object:getyaw()
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local inside = minetest.get_objects_inside_radius(pos,10)
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local walk_speed = self.walk_speed
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local animation = self.animation
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local anim_speed = self.animation_speed
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local velocity = self.object:getvelocity()
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self.timer = self.timer+0.01
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self.turn_timer = self.turn_timer+0.01
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self.jump_timer = self.jump_timer+0.01
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if not self.chase
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and self.timer > math.random(2,5) then
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if math.random() > 0.8 then
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self.state = "stand"
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else
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self.state = "walk"
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end
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self.timer = 0
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end
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if self.turn == "right" then
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self.yaw = self.yaw+self.turn_speed
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self.object:setyaw(self.yaw)
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elseif self.turn == "left" then
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self.yaw = self.yaw-self.turn_speed
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self.object:setyaw(self.yaw)
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end
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if self.chase and self.visualx < 2 then
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if self.hiss == false then
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minetest.sound_play("creeper_hiss",{pos=pos,gain=1.5,max_hear_distance=2*64})
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end
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self.visualx = self.visualx+0.05
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self.object:set_properties({
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visual_size = {x=self.visualx,y=1}
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})
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self.hiss = true
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elseif self.visualx > 1 then
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self.visualx = self.visualx-0.05
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self.object:set_properties({
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visual_size = {x=self.visualx,y=1}
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})
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self.hiss = false
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end
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self.chase = false
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for _,object in ipairs(inside) do
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if object:is_player() then
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self.state = "chase"
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end
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end
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if self.state == "stand" then
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if self.anim ~= ANIM_STAND then
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self.object:set_animation({x=animation.stand_START,y=animation.stand_END},anim_speed,0)
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self.anim = ANIM_STAND
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end
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random_turn(self)
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if velocity.x ~= 0
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or velocity.z ~= 0 then
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self.object:setvelocity({x=0,y=velocity.y,z=0})
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end
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end
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if self.state == "walk" then
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if self.anim ~= ANIM_WALK then
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self.object:set_animation({x=animation.walk_START,y=animation.walk_END},anim_speed,0)
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self.anim = ANIM_WALK
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end
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self.direction = {x=math.sin(yaw)*-1,y=-10,z=math.cos(yaw)}
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if self.direction then
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self.object:setvelocity({x=self.direction.x*walk_speed,y=velocity.y,z=self.direction.z*walk_speed})
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end
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random_turn(self)
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local velocity = self.object:getvelocity()
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if self.turn_timer > 1 then
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local direction = self.direction
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local npos = {x=pos.x+direction.x,y=pos.y+0.2,z=pos.z+direction.z}
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if velocity.x == 0 or velocity.z == 0
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or minetest.registered_nodes[minetest.get_node(npos).name].walkable then
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local select_turn = math.random(1,2)
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if select_turn == 1 then
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self.turn = "left"
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elseif select_turn == 2 then
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self.turn = "right"
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end
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self.turn_timer = 0
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self.turn_speed = 0.05*math.random()
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end
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end
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-- Jump
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if self.jump_timer > 0.2 then
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jump(self,pos,self.direction)
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end
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end
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if self.state == "chase" then
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if self.anim ~= ANIM_WALK then
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self.object:set_animation({x=animation.walk_START,y=animation.walk_END},anim_speed,0)
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self.anim = ANIM_WALK
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end
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self.turn = "straight"
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local inside_2 = minetest.get_objects_inside_radius(pos,2)
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-- Boom
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if #inside_2 ~= 0 then
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for _,object in ipairs(inside_2) do
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if object:is_player() and object:get_hp() ~= 0 then
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self.chase = true
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if self.visualx >= 2 then
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self.object:remove()
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creeper.boom(pos,self.powered)
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minetest.sound_play("creeper_explode",{pos=pos,gain=1.5,max_hear_distance=2*64})
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end
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end
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end
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end
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if #inside ~= 0 then
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for _,object in ipairs(inside) do
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if object:is_player() and object:get_hp() ~= 0 then
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if #inside_2 ~= 0 then
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for _,object in ipairs(inside_2) do
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-- Stop move
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if object:is_player() then
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if self.anim ~= ANIM_STAND then
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self.object:set_animation({x=animation.stand_START,y=animation.stand_END},anim_speed,0)
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self.anim = ANIM_STAND
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end
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self.object:setvelocity({x=0,y=velocity.y,z=0})
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return
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end
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end
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end
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local ppos = object:getpos()
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self.vec = {x=ppos.x-pos.x,y=ppos.y-pos.y,z=ppos.z-pos.z}
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self.yaw = math.atan(self.vec.z/self.vec.x)+math.pi^2
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if ppos.x > pos.x then
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self.yaw = self.yaw+math.pi
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end
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self.yaw = self.yaw-2
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self.object:setyaw(self.yaw)
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self.direction = {x=math.sin(self.yaw)*-1,y=0,z=math.cos(self.yaw)}
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local direction = self.direction
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self.object:setvelocity({x=direction.x*2.5,y=velocity.y,z=direction.z*2.5})
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-- Jump
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if self.jump_timer > 0.2 then
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jump(self,pos,direction)
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end
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end
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end
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else
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self.state = "stand"
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end
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end
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-- Swim
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local node = minetest.get_node(pos)
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if minetest.get_item_group(node.name,"water") ~= 0 then
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self.object:setacceleration({x=0,y=1,z=0})
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local velocity = self.object:getvelocity()
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if self.object:getvelocity().y > 5 then
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self.object:setvelocity({x=0,y=velocity.y-velocity.y/2,z=0})
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else
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self.object:setvelocity({x=0,y=velocity.y+1,z=0})
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end
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else
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self.object:setacceleration({x=0,y=-10,z=0})
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end
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end
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def.on_punch = function(self,puncher,time_from_last_punch,tool_capabilities,dir)
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if self.knockback == false then
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local knockback_level = self.knockback_level
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self.object:setvelocity({x=dir.x*knockback_level,y=3,z=dir.z*knockback_level})
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self.knockback = true
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minetest.after(0.6,function()
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self.knockback = false
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end)
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end
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if self.object:get_hp() < 1 then
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local pos = self.object:getpos()
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local x = 1/math.random(1,5)*dir.x
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local z = 1/math.random(1,5)*dir.z
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local p = {x=pos.x+x,y=pos.y,z=pos.z+z}
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local node = minetest.get_node_or_nil(p)
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if node == nil or not node.name or node.name ~= "air" then
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p = pos
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end
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local obj = minetest.add_item(p, {name="tnt:gunpowder",count=math.random(0,2)})
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end
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end
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def.get_staticdata = function(self)
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return minetest.serialize({
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powered = self.powered
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})
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end
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minetest.register_entity("creeper:creeper",def)
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minetest.register_craftitem("creeper:spawnegg",{
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description = "Creeper Spawn Egg",
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inventory_image = "creeper_spawnegg.png",
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stack_max = 64,
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on_place = function(itemstack,placer,pointed_thing)
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if pointed_thing.type == "node" then
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local pos = pointed_thing.above
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pos.y = pos.y+1
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minetest.add_entity(pos,"creeper:creeper")
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if not minetest.setting_getbool("creative_mode") then
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itemstack:take_item()
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end
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return itemstack
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end
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end
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})
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