--[[
Critters for Minetest
Copyright (c) 2012 cornernote, Brett O'Donnell <cornernote@gmail.com>
Source Code: https://github.com/cornernote/minetest-critters
License: BSD-3-Clause https://raw.github.com/cornernote/\
minetest-critters/master/LICENSE
API
]]--

-- ===================================================================

local codermobs_disable_mobs           =
    minetest.setting_getbool ("codermobs_disable_mobs"          )

local codermobs_disable_monsters       =
    minetest.setting_getbool ("codermobs_disable_monsters"      )

local codermobs_enable_thismob         =
    minetest.setting_getbool ("codermobs_enable_critters"       )

local codermobs_logless                =
    minetest.setting_getbool ("codermobs_logless"               )

-- ===================================================================

local minlight  =  5
local maxlight  = 20
local minheight =  0
local maxheight = 31000

-- There  are a lot of critters,  so even with chance set to  (one in)
-- 50000, they should be pretty common.

local spawn_chance = 400000
local spawn_type   = "animal"

local spawn_nodes  = {
    "darkage:silt"                  ,

    "default:dirt"                  ,
    "default:dirt_with_dry_grass"   ,
    "default:dirt_with_grass"       ,
    "default:desert_sand"           ,
    "default:desert_stonebrick"     ,
    "default:sand"                  ,
    "default:snowblock"             ,
    "default:stonebrick"            ,

    "earthgen:dirt_with_dry_grass"  ,
    "ethereal:dry_dirt"             ,
    "ethereal:green_dirt"           ,
    "fargen:dirt_with_leafy_grass"  ,
    "mg:dirt_with_dry_grass"        ,

    "wool:green"                    ,
    "wool:white"                    ,
}

-- ===================================================================

-- include mobs api
dofile (minetest.get_modpath ("critters") .. "/api.lua")

-- expose the api
critters = {}

-- get_critter_def
-- @param name - name of the critter
-- @param modname - name of the mod
-- @param def - definition table
-- @return - definition table merged with defaults

local get_critter_def = function (name, modname, def)
    local default =
    {
        mob =
        {
            -- visual settings
            visual      = "upright_sprite" ,
            visual_size = { x=1, y=1}      ,
            drawtype    = "front"          ,

            textures =
            {
                modname .. "_" .. name .. ".png" ,
                modname .. "_" .. name .. ".png" ,
            } ,

            collisionbox = { -0.4, -0.5, -0.4, 0.4, 0.5, 0.4 } ,
            makes_footstep_sound = false ,

            type            = spawn_type    ,
            hp_max          = 1             ,
            armor           = 1             ,
            walk_velocity   = 1             ,
            run_velocity    = 2             ,
            view_range      = 5             ,
            damage          = 1             ,
            water_damage    = 1             ,
            lava_damage     = 5             ,
            light_damage    = 0             ,
            light_resistant = true          ,

            drops =
            {
                {
                    name   = "default:apple" ,
                    chance = 10              ,
                    min    = 1               ,
                    max    = 1               ,
                } ,
            }
        } ,

        spawn =
        {
            max_height = maxheight    ,
            chance     = spawn_chance ,
            max_light  = maxlight     ,
            min_light  = minlight     ,
            nodes      = spawn_nodes  ,
        }
    }

    for k,v in pairs (def) do
        for kk,vv in pairs(v) do
            default [k][kk] = vv
        end
    end

    return default
end

-- register
-- @param modname - name of the mod
-- @param critters - table, key is name of critter, value is definition table

critters.register = function (modname, critters)
    local critter

    for name,def in pairs (critters) do
        critter = get_critter_def (name, modname, def)

        critterapi:register_mob (modname .. ":" .. name,
            critter.mob)

        if not codermobs_disable_mobs and
            codermobs_enable_thismob then
            critterapi:register_spawn (modname .. ":" .. name,
                critter.spawn)
        end
    end
end

-- ===================================================================

-- register critters
critters.register (minetest.get_current_modname(), {
    alien={},
    angel={},
    baby={},
    boxer={},
    chef={},
    clown={},
    dad={},
    devil={},
    doctor={},
    dragon={},
    firefighter={},
    ghost={},
    girl={},
    kid={},
    king={},
    knight={},
    lawyer={},
    leprechaun={},
    man={},
    mermaid={},
    monster={},
    ninja={},
    nurse={},
    pirate={},
    policeman={},
    prince={},
    princess={},
    queen={},
    robot={},
    santa={},
    snowman={},
    superhero={},
    teacher={},
    troll={},
    vampire={},
    werewolf={},
    witch={},
    zombie={},
})

-- ===================================================================

-- register more critters
critters.register(minetest.get_current_modname(), {
    alligator={},
    ant={},
    bat={},
    bear={},
    bee={},
    bird={},
    bull={},
    bulldog={},
    butterfly={},
    cat={},
    chicken={},
    cow={},
    crab={},
    crocodile={},
    deer={},
    dog={},
    donkey={},
    duck={},
    eagle={},
    elephant={},
    fish={},
    fox={},
    frog={},
    giraffe={},
    gorilla={},
    hippo={},
    horse={},
    insect={},
    lion={},
    monkey={},
    moose={},
    mouse={},
    owl={},
    panda={},
    penguin={},
    pig={},
    rabbit={},
    rhino={},
    rooster={},
    shark={},
    sheep={},
    snake={},
    tiger={},
    turkey={},
    turtle={},
    wolf={},
})

-- ===================================================================

minetest.log ("action", minetest.get_current_modname() .." loaded")