135 lines
3.5 KiB
Lua
135 lines
3.5 KiB
Lua
SLIME_SIZE = 0.5
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SLIME_BOX = math.sqrt(2*math.pow(SLIME_SIZE, 2))/2
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GRAVITY = 9.8
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minetest.register_entity("slimes:small",{
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initial_properties = {
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hp_max = 4,
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visual_size = {x = SLIME_SIZE, y = SLIME_SIZE, z = SLIME_SIZE},
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visual = "cube",
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textures = {
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"slime_top.png",
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"slime_bottom.png",
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"slime_front.png",
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"slime_sides.png",
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"slime_sides.png",
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"slime_sides.png",
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},
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collisionbox = {-SLIME_BOX, -SLIME_SIZE/2, -SLIME_BOX, SLIME_BOX, SLIME_SIZE/2, SLIME_BOX},
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physical = true,
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},
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timer = 6,
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timer2 = 1,
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timer3 = 0, --regularly check if slime touches ground and possibly set x/z velocity/acceleration to 0
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yaw = 0,
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direction = {},
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status = 2, --1 = jump, 2 = rotate
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attracts_slime = true,
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found_friend = false,
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on_activate = function(self)
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self.object:setacceleration({x = 0, y = -GRAVITY, z = 0})
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end,
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on_punch = function(self)
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if self.object:get_hp() <= 0 then
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minetest.env:add_item(self.object:getpos(), "mesecons_materials:glue 4")
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self.object:remove()
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end
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end,
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on_step = function(self, dtime)
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self.timer2 = self.timer2 + dtime
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if self.status == 2 and (self.timer2 >= 0.5) then
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self.timer2 = 1.2
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self.status = 1
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local pos = self.object:getpos()
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if slime_lonely(pos) and not minetest.env:find_node_near(pos, 16, "default:mese") then
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self.object:remove()
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end
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self.yaw = slime_getyaw(pos)
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if self.yaw == false then
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self.yaw = math.random() * 360
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self.found_friend = false
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else
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self.found_friend = true
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end
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self.object:setyaw(self.yaw)
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self.object:set_properties({automatic_rotate = 0})
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self.direction = {x = math.cos(self.yaw)*2, y = 6, z = math.sin(self.yaw)*2}
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end
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self.timer = self.timer + dtime
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self.timer3 = self.timer3 + dtime
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if self.timer2 > 1.3 and self.object:getvelocity().y == 0 then
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self.object:setvelocity(self.direction)
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self.object:setacceleration({x = self.direction.x/5, y = -GRAVITY, z = self.direction.z/5})
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self.timer2 = 0
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end
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if (self.timer >= 6 or (self.timer >= 1 and self.found_friend == true)) and self.object:getvelocity().y == 0 then
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self.timer = 0
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self.timer2 = 0
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self.status = 2
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if not self.found_friend then
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self.object:set_properties({automatic_rotate = math.pi * 8})
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end
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end
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if self.timer3 > 0.07 then
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vel = self.object:getvelocity()
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if vel.y == 0 and (vel.x ~= 0 or vel.z ~= 0) then
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self.object:setvelocity({x = 0, y = 0, z = 0})
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self.object:setacceleration({x = 0, y = -GRAVITY, z = 0})
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end
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self.timer3 = 0
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end
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end,
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})
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function slime_lonely (pos)
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objs = minetest.env:get_objects_inside_radius(pos, 32)
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for i, obj in pairs(objs) do
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if obj:is_player() then return false end
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end
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return true
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end
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function approx(val1, val2, deviation)
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if val1 + deviation > val2
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and val1 - deviation < val2 then
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return true
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end
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return false
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end
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function slime_getyaw (pos) -- get yaw, only if objects to follow nearby
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objs = minetest.env:get_objects_inside_radius(pos, 7)
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for i, obj in ipairs(objs) do
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if obj:is_player() or obj:get_luaentity().name == "slimes:small" then
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local ppos = {x = obj:getpos().x - pos.x,
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z = obj:getpos().z - pos.z}
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if ppos.x ~= 0 and ppos.z ~= 0 then --found itself as an object
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local yaw = math.abs(math.atan(ppos.x/ppos.z) - math.pi / 2)
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if ppos.z < 0 then yaw = yaw + math.pi end
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return yaw
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end
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end
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end
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return false
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end
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minetest.register_abm({
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nodenames = {"default:leaves"},
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interval = 10.0,
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chance = 100000,
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action = function(pos, node)
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minetest.env:add_entity({x=pos.x, y=pos.y + 1, z=pos.z}, "slimes:small")
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end,
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})
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