476 lines
12 KiB
Lua
476 lines
12 KiB
Lua
--License for code WTFPL and otherwise stated in readmes
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local S = minetest.get_translator("mobs_mc")
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local MAPBLOCK_SIZE = 16 -- size for slime chunk logic
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local SEED_OFFSET = 362 -- module specific seed
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local world_seed = (minetest.get_mapgen_setting("seed") + SEED_OFFSET) % 4294967296
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-- slime density, where default N=10 is every 10th chunk
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local slime_ratio = tonumber(minetest.settings:get("slime_ratio")) or 10
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-- use 3D chunking instead of 2d chunks
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local slime_3d_chunks = minetest.settings:get_bool("slime_3d_chunks", false)
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-- maximum light level, for slimes in caves only, not magma/swamps
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local slime_max_light = (tonumber(minetest.settings:get("slime_max_light")) or minetest.LIGHT_MAX) + 1
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-- maximum light level for swamp spawning
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local swamp_light_max = 7
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-- maximum height to spawn in slime chunks
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local slime_chunk_spawn_max = mcl_worlds.layer_to_y(40)
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local floor = math.floor
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local max = math.max
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local function is_slime_chunk(pos)
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if not pos then return end -- no position given
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if slime_ratio == 0 then return end -- no slime chunks
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if slime_ratio <= 1 then return true end -- slime everywhere
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local bpos = vector.new(floor(pos.x / MAPBLOCK_SIZE), slime_3d_chunks and floor(pos.y / MAPBLOCK_SIZE) or 0, floor(pos.z / MAPBLOCK_SIZE))
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return PcgRandom(minetest.hash_node_position(bpos) + world_seed):next(0,1e9)/1e9 * slime_ratio < 1
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end
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-- Returns a function that spawns children in a circle around pos.
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-- To be used as on_die callback.
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-- self: mob reference
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-- pos: position of "mother" mob
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-- child_mod: Mob to spawn
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-- spawn_distance: Spawn distance from "mother" mob
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-- eject_speed: Initial speed of child mob away from "mother" mob
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local spawn_children_on_die = function(child_mob, spawn_distance, eject_speed)
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return function(self, pos)
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eject_speed = eject_speed or 1
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local mndef = minetest.registered_nodes[minetest.get_node(pos).name]
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local mother_stuck = mndef and mndef.walkable
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local angle = math.random() * math.pi * 2
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local children = {}
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local spawn_count = math.random(2, 4)
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for i = 1, spawn_count do
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local dir = vector.new(math.cos(angle), 0, math.sin(angle))
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local newpos = pos + dir * spawn_distance
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-- If child would end up in a wall, use position of the "mother", unless
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-- the "mother" was stuck as well
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if not mother_stuck then
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local cndef = minetest.registered_nodes[minetest.get_node(newpos).name]
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if cndef and cndef.walkable then
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newpos = pos
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eject_speed = eject_speed * 0.5
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end
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end
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local mob = mcl_mobs.spawn(newpos, child_mob)
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if mob then
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if not mother_stuck then
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mob:set_velocity(dir * eject_speed)
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end
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mob:set_yaw(angle - math.pi/2)
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table.insert(children, mob)
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end
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angle = angle + (math.pi*2) / spawn_count
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end
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-- If mother was murdered, children attack the killer after 1 second
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if self.state == "attack" then
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minetest.after(1.0, function(children, enemy)
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local le
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for c = 1, #children do
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le = children[c]:get_luaentity()
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if le then
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le.state = "attack"
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le.attack = enemy
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end
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end
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end, children, self.attack)
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end
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end
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end
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-- two different rules, underground slime chunks and regular swamp spawning
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local function slime_spawn_check(pos, environmental_light, artificial_light, sky_light)
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if pos.y <= slime_chunk_spawn_max and is_slime_chunk(pos) then
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return max(artificial_light, sky_light) <= slime_max_light
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end
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return max(artificial_light, sky_light) <= swamp_light_max
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end
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-- Slime
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local slime_big = {
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description = S("Slime - big"),
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type = "monster",
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spawn_class = "hostile",
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group_attack = { "mobs_mc:slime_big", "mobs_mc:slime_small", "mobs_mc:slime_tiny" },
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hp_min = 16,
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hp_max = 16,
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xp_min = 4,
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xp_max = 4,
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collisionbox = {-1.02, -0.01, -1.02, 1.02, 2.03, 1.02, rotate = true},
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visual_size = {x=12.5, y=12.5},
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textures = {{"mobs_mc_slime.png", "mobs_mc_slime.png"}},
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visual = "mesh",
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mesh = "mobs_mc_slime.b3d",
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makes_footstep_sound = true,
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sounds = {
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jump = "green_slime_jump",
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death = "green_slime_death",
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damage = "green_slime_damage",
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attack = "green_slime_attack",
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distance = 16,
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},
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damage = 4,
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reach = 2.5,
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armor = 100,
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drops = {},
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-- TODO: Fix animations
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animation = {
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jump_speed = 17,
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stand_speed = 17,
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walk_speed = 17,
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jump_start = 1,
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jump_end = 20,
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stand_start = 1,
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stand_end = 20,
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walk_start = 1,
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walk_end = 20,
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},
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fall_damage = 0,
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view_range = 16,
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attack_type = "dogfight",
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passive = false,
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jump = true,
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walk_velocity = 1.9,
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run_velocity = 1.9,
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walk_chance = 0,
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jump_height = 5.2,
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fear_height = 0,
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spawn_small_alternative = "mobs_mc:slime_small",
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on_die = spawn_children_on_die("mobs_mc:slime_small", 1.0, 1.5),
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use_texture_alpha = true,
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spawn_check = slime_spawn_check,
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}
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mcl_mobs.register_mob("mobs_mc:slime_big", slime_big)
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local slime_small = table.copy(slime_big)
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slime_small.description = S("Slime - small")
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slime_small.sounds.base_pitch = 1.15
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slime_small.hp_min = 4
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slime_small.hp_max = 4
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slime_small.xp_min = 2
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slime_small.xp_max = 2
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slime_small.collisionbox = {-0.51, -0.01, -0.51, 0.51, 1.00, 0.51, rotate = true}
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slime_small.visual_size = {x=6.25, y=6.25}
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slime_small.damage = 3
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slime_small.reach = 2.25
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slime_small.walk_velocity = 1.8
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slime_small.run_velocity = 1.8
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slime_small.jump_height = 4.3
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slime_small.spawn_small_alternative = "mobs_mc:slime_tiny"
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slime_small.on_die = spawn_children_on_die("mobs_mc:slime_tiny", 0.6, 1.0)
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mcl_mobs.register_mob("mobs_mc:slime_small", slime_small)
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local slime_tiny = table.copy(slime_big)
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slime_tiny.description = S("Slime - tiny")
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slime_tiny.sounds.base_pitch = 1.3
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slime_tiny.hp_min = 1
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slime_tiny.hp_max = 1
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slime_tiny.xp_min = 1
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slime_tiny.xp_max = 1
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slime_tiny.collisionbox = {-0.2505, -0.01, -0.2505, 0.2505, 0.50, 0.2505, rotate = true}
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slime_tiny.visual_size = {x=3.125, y=3.125}
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slime_tiny.damage = 1
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slime_tiny.reach = 2
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slime_tiny.drops = {
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-- slimeball
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{name = "mcl_mobitems:slimeball",
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chance = 1,
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min = 0,
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max = 2,},
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}
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slime_tiny.walk_velocity = 1.7
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slime_tiny.run_velocity = 1.7
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slime_tiny.jump_height = 3
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slime_tiny.spawn_small_alternative = nil
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slime_tiny.on_die = nil
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mcl_mobs.register_mob("mobs_mc:slime_tiny", slime_tiny)
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local water_level = mobs_mc.water_level
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local cave_biomes = {
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"FlowerForest_underground",
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"JungleEdge_underground",
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"StoneBeach_underground",
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"MesaBryce_underground",
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"Mesa_underground",
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"RoofedForest_underground",
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"Jungle_underground",
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"Swampland_underground",
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"BirchForest_underground",
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"Plains_underground",
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"MesaPlateauF_underground",
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"ExtremeHills_underground",
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"MegaSpruceTaiga_underground",
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"BirchForestM_underground",
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"SavannaM_underground",
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"MesaPlateauFM_underground",
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"Desert_underground",
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"Savanna_underground",
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"Forest_underground",
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"SunflowerPlains_underground",
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"ColdTaiga_underground",
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"IcePlains_underground",
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"IcePlainsSpikes_underground",
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"MegaTaiga_underground",
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"Taiga_underground",
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"ExtremeHills+_underground",
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"JungleM_underground",
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"ExtremeHillsM_underground",
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"JungleEdgeM_underground",
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"MangroveSwamp_underground"
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}
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local cave_min = mcl_vars.mg_overworld_min
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local cave_max = water_level - 23
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local swampy_biomes = {"Swampland", "MangroveSwamp"}
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local swamp_min = water_level
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local swamp_max = water_level + 27
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mcl_mobs:spawn_specific(
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"mobs_mc:slime_tiny",
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"overworld",
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"ground",
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cave_biomes,
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0,
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slime_max_light,
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30,
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1000,
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4,
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cave_min,
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cave_max,
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nil, nil, is_slime_chunk)
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mcl_mobs:spawn_specific(
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"mobs_mc:slime_tiny",
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"overworld",
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"ground",
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swampy_biomes,
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0,
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swamp_light_max,
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30,
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1000,
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4,
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swamp_min,
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swamp_max)
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mcl_mobs:spawn_specific(
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"mobs_mc:slime_small",
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"overworld",
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"ground",
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cave_biomes,
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0,
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slime_max_light,
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30,
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1000,
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4,
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cave_min,
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cave_max,
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nil, nil, is_slime_chunk)
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mcl_mobs:spawn_specific(
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"mobs_mc:slime_small",
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"overworld",
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"ground",
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swampy_biomes,
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0,
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swamp_light_max,
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30,
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1000,
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4,
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swamp_min,
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swamp_max)
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mcl_mobs:spawn_specific(
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"mobs_mc:slime_big",
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"overworld",
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"ground",
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cave_biomes,
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0,
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slime_max_light,
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30,
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1000,
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4,
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cave_min,
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cave_max,
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nil, nil, is_slime_chunk)
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mcl_mobs:spawn_specific(
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"mobs_mc:slime_big",
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"overworld",
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"ground",
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swampy_biomes,
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0,
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swamp_light_max,
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30,
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1000,
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4,
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swamp_min,
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swamp_max)
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-- Magma cube
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local magma_cube_big = {
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description = S("Magma Cube - big"),
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type = "monster",
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spawn_class = "hostile",
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hp_min = 16,
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hp_max = 16,
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xp_min = 4,
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xp_max = 4,
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collisionbox = {-1.02, -0.01, -1.02, 1.02, 2.03, 1.02, rotate = true},
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visual_size = {x=12.5, y=12.5},
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textures = {{ "mobs_mc_magmacube.png", "mobs_mc_magmacube.png" }},
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visual = "mesh",
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mesh = "mobs_mc_magmacube.b3d",
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makes_footstep_sound = true,
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sounds = {
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jump = "mobs_mc_magma_cube_big",
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death = "mobs_mc_magma_cube_big",
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attack = "mobs_mc_magma_cube_attack",
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distance = 16,
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},
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walk_velocity = 2.5,
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run_velocity = 2.5,
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damage = 6,
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reach = 2.35,
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armor = 53,
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drops = {
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{name = "mcl_mobitems:magma_cream",
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chance = 4,
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min = 1,
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max = 1,},
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},
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-- TODO: Fix animations
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animation = {
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jump_speed = 20,
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stand_speed = 20,
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walk_speed = 20,
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jump_start = 1,
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jump_end = 40,
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stand_start = 1,
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stand_end = 1,
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walk_start = 1,
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walk_end = 40,
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},
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water_damage = 0,
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lava_damage = 0,
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fire_damage = 0,
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light_damage = 0,
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fall_damage = 0,
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view_range = 16,
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attack_type = "dogfight",
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passive = false,
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jump = true,
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jump_height = 8,
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walk_chance = 0,
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fear_height = 0,
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spawn_small_alternative = "mobs_mc:magma_cube_small",
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on_die = spawn_children_on_die("mobs_mc:magma_cube_small", 0.8, 1.5),
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fire_resistant = true,
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}
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mcl_mobs.register_mob("mobs_mc:magma_cube_big", magma_cube_big)
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local magma_cube_small = table.copy(magma_cube_big)
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magma_cube_small.description = S("Magma Cube - small")
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magma_cube_small.sounds.jump = "mobs_mc_magma_cube_small"
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magma_cube_small.sounds.death = "mobs_mc_magma_cube_small"
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magma_cube_small.hp_min = 4
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magma_cube_small.hp_max = 4
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magma_cube_small.xp_min = 2
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magma_cube_small.xp_max = 2
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magma_cube_small.collisionbox = {-0.51, -0.01, -0.51, 0.51, 1.00, 0.51, rotate = true}
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magma_cube_small.visual_size = {x=6.25, y=6.25}
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magma_cube_small.damage = 3
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magma_cube_small.reach = 2.1
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magma_cube_small.walk_velocity = .8
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magma_cube_small.run_velocity = 2.0
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magma_cube_small.jump_height = 6
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magma_cube_small.damage = 4
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magma_cube_small.reach = 2.75
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magma_cube_small.armor = 66
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magma_cube_small.spawn_small_alternative = "mobs_mc:magma_cube_tiny"
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magma_cube_small.on_die = spawn_children_on_die("mobs_mc:magma_cube_tiny", 0.6, 1.0)
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mcl_mobs.register_mob("mobs_mc:magma_cube_small", magma_cube_small)
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local magma_cube_tiny = table.copy(magma_cube_big)
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magma_cube_tiny.description = S("Magma Cube - tiny")
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magma_cube_tiny.sounds.jump = "mobs_mc_magma_cube_small"
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magma_cube_tiny.sounds.death = "mobs_mc_magma_cube_small"
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magma_cube_tiny.sounds.base_pitch = 1.25
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magma_cube_tiny.hp_min = 1
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magma_cube_tiny.hp_max = 1
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magma_cube_tiny.xp_min = 1
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magma_cube_tiny.xp_max = 1
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magma_cube_tiny.collisionbox = {-0.2505, -0.01, -0.2505, 0.2505, 0.50, 0.2505, rotate = true}
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magma_cube_tiny.visual_size = {x=3.125, y=3.125}
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magma_cube_tiny.walk_velocity = 1.02
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magma_cube_tiny.run_velocity = 1.02
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magma_cube_tiny.jump_height = 4
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magma_cube_tiny.damage = 3
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magma_cube_tiny.reach = 2
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magma_cube_tiny.armor = 50
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magma_cube_tiny.drops = {}
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magma_cube_tiny.spawn_small_alternative = nil
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magma_cube_tiny.on_die = nil
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mcl_mobs.register_mob("mobs_mc:magma_cube_tiny", magma_cube_tiny)
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local magma_cube_biomes = {"Nether", "BasaltDelta"}
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local nether_min = mcl_vars.mg_nether_min
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local nether_max = mcl_vars.mg_nether_max
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mcl_mobs:spawn_specific(
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"mobs_mc:magma_cube_tiny",
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"nether",
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"ground",
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magma_cube_biomes,
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0,
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minetest.LIGHT_MAX+1,
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30,
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100,
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4,
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nether_min,
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nether_max)
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mcl_mobs:spawn_specific(
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"mobs_mc:magma_cube_small",
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"nether",
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"ground",
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magma_cube_biomes,
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0,
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minetest.LIGHT_MAX+1,
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30,
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100,
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4,
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nether_min,
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nether_max)
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mcl_mobs:spawn_specific(
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"mobs_mc:magma_cube_big",
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"nether",
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"ground",
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magma_cube_biomes,
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0,
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minetest.LIGHT_MAX+1,
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30,
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100,
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4,
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nether_min,
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nether_max)
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-- spawn eggs
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mcl_mobs.register_egg("mobs_mc:magma_cube_big", S("Magma Cube"), "#350000", "#fcfc00")
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-- non_spawn_specific is typically for mobs who don't spawn in the overworld, or mobs that don't spawn
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-- naturally. However, slimes are a particular case where they spawn under different conditions in the same
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-- dimension.
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mcl_mobs:non_spawn_specific("mobs_mc:slime_big","overworld",0,minetest.LIGHT_MAX+1)
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mcl_mobs:non_spawn_specific("mobs_mc:magma_cube_big","overworld",0, minetest.LIGHT_MAX+1)
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mcl_mobs.register_egg("mobs_mc:slime_big", S("Slime"), "#52a03e", "#7ebf6d")
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-- FIXME: add spawn eggs for small and tiny slimes and magma cubes
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