Rampant/prototypes/Spawner.lua

-- imports

local acidBall = require("utils/AttackBall")
local droneUtils = require("utils/DroneUtils")
local biterUtils = require("utils/BiterUtils")
local swarmUtils = require("SwarmUtils")
local constants = require("__Rampant__/libs/Constants")
local particleUtils = require("utils/ParticleUtils")

-- constants

local spawner = {}

-- imported functions

local makeBloodFountains = particleUtils.makeBloodFountains
local buildUnitSpawner = swarmUtils.buildUnitSpawner
local buildWorm = swarmUtils.buildWorm
local buildUnits = swarmUtils.buildUnits
local createMeleeAttack = biterUtils.createMeleeAttack
local createProjectileAttack = biterUtils.createProjectileAttack

local biterAttackSounds = biterUtils.biterAttackSounds

local createCapsuleProjectile = droneUtils.createCapsuleProjectile

local makeUnitAlienLootTable = biterUtils.makeUnitAlienLootTable
local makeSpawnerAlienLootTable = biterUtils.makeSpawnerAlienLootTable
local makeWormAlienLootTable = biterUtils.makeWormAlienLootTable

local function evolutionFunction(tier)
    if (tier == 0) then
        return 0
    else
        return 0.17 + ((tier - 2) * 0.10)
    end
end

function spawner.addFaction()

    local biterLoot = makeUnitAlienLootTable("orange")
    local spawnerLoot = makeSpawnerAlienLootTable("orange")
    local wormLoot = makeWormAlienLootTable("orange")


    local bloodFountains = {
        type = "attribute",
        mapping = "explosion",
        [1] = "spawner-blood-explosion-small-rampant",
        [2] = "spawner-blood-explosion-small-rampant",
        [3] = "spawner-blood-explosion-small-rampant",
        [4] = "spawner-blood-explosion-small-rampant",
        [5] = "spawner-blood-explosion-big-rampant",
        [6] = "spawner-blood-explosion-big-rampant",
        [7] = "spawner-blood-explosion-big-rampant",
        [8] = "spawner-blood-explosion-huge-rampant",
        [9] = "spawner-blood-explosion-huge-rampant",
        [10] = "spawner-blood-explosion-huge-rampant",
    }

    makeBloodFountains({
            name = "spawner",
            tint = {r=0.8, g=0, b=0.8, a=1}
    })


    -- spawner
    buildUnits(
        {
            name = "spawner-drone",

            attributes = {
                followsPlayer = false
            },
            attack = {
                checkBuildability = true
            },
            death = function (attack, attributes)
                return {
                    {
                        type = "cluster",
                        cluster_count = attack.clusters,
                        distance = attack.clusterDistance,
                        distance_deviation = 3,
                        action_delivery =
                            {
                                type = "projectile",
                                projectile = createCapsuleProjectile("spawner-drone-sub" .. attributes.tier,
                                                                     attack,
                                                                     "spawner-biter" ..  attributes.tier .. "-rampant"),
                                direction_deviation = 0.6,
                                starting_speed = 0.25,
                                max_range = attack.range,
                                starting_speed_deviation = 0.3
                            }
                    }
                }
            end,
            scales = {
                [1] = 0.5,
                [2] = 0.5,
                [3] = 0.6,
                [4] = 0.6,
                [5] = 0.7,
                [6] = 0.7,
                [7] = 0.8,
                [8] = 0.8,
                [9] = 0.9,
                [10] = 0.9
            },
            resistances = {},

            type = "drone",
            attackName = "spawner-drone",
            tint = {r=0.7, g=0, b=0.7, a=1},
            tint2 = {r=0.8, g=0, b=0.8, a=1}
        },
        function (attack)
            return {
                type = "projectile",
                ammo_category = "biological",
                cooldown = attack.cooldown or 20,
                projectile_center = {0, 1},
                projectile_creation_distance = 0.6,
                range = attack.range or 15,
                sound = biterAttackSounds(attack.effectiveLevel),
                ammo_type =
                    {
                        category = "biological",
                        action =
                            {
                                type = "direct",
                                action_delivery =
                                    {
                                        type = "instant",
                                        damage = { damage = 0, damageType = "acid" }
                                    }
                            }
                    }
            }
        end,
        {
            {
                type = "attribute",
                name = "health",
                [1] = 100,
                [2] = 120,
                [3] = 120,
                [4] = 170,
                [5] = 170,
                [6] = 200,
                [7] = 200,
                [8] = 250,
                [9] = 300,
                [10] = 350
            },

            {
                type = "attack",
                name = "startingSpeed",
                [1] = 0.25,
                [2] = 0.25,
                [3] = 0.27,
                [4] = 0.27,
                [5] = 0.29,
                [6] = 0.29,
                [7] = 0.31,
                [8] = 0.31,
                [9] = 0.33,
                [10] = 0.33
            },

            {
                type = "attack",
                name = "clusterDistance",
                [1] = 3,
                [2] = 3,
                [3] = 4,
                [4] = 4,
                [5] = 5,
                [6] = 5,
                [7] = 6,
                [8] = 6,
                [9] = 7,
                [10] = 7
            },

            {
                type = "attack",
                name = "clusters",
                min = 2,
                [1] = 5,
                [2] = 5,
                [3] = 6,
                [4] = 6,
                [5] = 7,
                [6] = 7,
                [7] = 8,
                [8] = 8,
                [9] = 9,
                [10] = 9
            },

            {
                type = "attribute",
                name = "ttl",
                [1] = 400,
                [2] = 400,
                [3] = 450,
                [4] = 450,
                [5] = 500,
                [6] = 500,
                [7] = 550,
                [8] = 550,
                [9] = 600,
                [10] = 600
            },

            {
                type = "attack",
                name = "damage",
                [1] = 2,
                [2] = 4,
                [3] = 7,
                [4] = 13,
                [5] = 15,
                [6] = 18,
                [7] = 22,
                [8] = 28,
                [9] = 35,
                [10] = 40
            },

            {
                type = "attribute",
                name = "movement",
                [1] = 0.00,
                [2] = 0.00,
                [3] = 0.00,
                [4] = 0.00,
                [5] = 0.00,
                [6] = 0.00,
                [7] = 0.00,
                [8] = 0.00,
                [9] = 0.00,
                [10] = 0.00
            },
            {
                type = "attribute",
                name = "distancePerFrame",
                [1] = 0.013,
                [2] = 0.013,
                [3] = 0.014,
                [4] = 0.014,
                [5] = 0.015,
                [6] = 0.015,
                [7] = 0.016,
                [8] = 0.016,
                [9] = 0.017,
                [10] = 0.017
            },

            {
                type = "attack",
                name = "rangeFromPlayer",
                [1] = 10,
                [2] = 10,
                [3] = 11,
                [4] = 11,
                [5] = 12,
                [6] = 12,
                [7] = 13,
                [8] = 13,
                [9] = 14,
                [10] = 14
            },

            {
                type = "attack",
                name = "range",
                [1] = 10,
                [2] = 10,
                [3] = 11,
                [4] = 11,
                [5] = 12,
                [6] = 12,
                [7] = 13,
                [8] = 13,
                [9] = 14,
                [10] = 14
            },

            {
                type = "attack",
                name = "radius",
                [1] = 1.2,
                [2] = 1.3,
                [3] = 1.4,
                [4] = 1.5,
                [5] = 1.6,
                [6] = 1.7,
                [7] = 1.8,
                [8] = 1.9,
                [9] = 2.0,
                [10] = 2.5
            }

        }
    )

    buildUnits(
        {
            name = "spawner-worm-drone",

            attributes = {
                followsPlayer = false
            },
            attack = {
                checkBuildability = true
            },
            death = function (attack, attributes)
                return {
                    {
                        type = "cluster",
                        cluster_count = attack.clusters,
                        distance = attack.clusterDistance,
                        distance_deviation = 3,
                        action_delivery =
                            {
                                type = "projectile",
                                projectile = createCapsuleProjectile("spawner-drone-sub" .. attributes.tier,
                                                                     attack,
                                                                     "spawner-biter" ..  attributes.tier .. "-rampant"),
                                direction_deviation = 0.6,
                                starting_speed = 0.25,
                                max_range = attack.range,
                                starting_speed_deviation = 0.3
                            }
                    }
                }
            end,
            scales = {
                [1] = 0.5,
                [2] = 0.5,
                [3] = 0.6,
                [4] = 0.6,
                [5] = 0.7,
                [6] = 0.7,
                [7] = 0.8,
                [8] = 0.8,
                [9] = 0.9,
                [10] = 0.9
            },
            resistances = {},

            type = "drone",
            attackName = "spawner-drone",
            tint = {r=0.7, g=0, b=0.7, a=1},
            tint2 = {r=0.8, g=0, b=0.8, a=1}
        },
        function (attack)
            return {
                type = "projectile",
                ammo_category = "biological",
                cooldown = attack.cooldown or 20,
                projectile_center = {0, 1},
                projectile_creation_distance = 0.6,
                range = attack.range or 15,
                sound = biterAttackSounds(attack.effectiveLevel),
                ammo_type =
                    {
                        category = "biological",
                        action =
                            {
                                type = "direct",
                                action_delivery =
                                    {
                                        type = "instant",
                                        damage = { damage = 0, damageType = "acid" }
                                    }
                            }
                    }
            }
        end,
        {
            {
                type = "attribute",
                name = "health",
                [1] = 100,
                [2] = 100,
                [3] = 110,
                [4] = 110,
                [5] = 120,
                [6] = 120,
                [7] = 130,
                [8] = 130,
                [9] = 140,
                [10] = 140
            },

            {
                type = "attack",
                name = "startingSpeed",
                [1] = 0.25,
                [2] = 0.25,
                [3] = 0.27,
                [4] = 0.27,
                [5] = 0.29,
                [6] = 0.29,
                [7] = 0.31,
                [8] = 0.31,
                [9] = 0.33,
                [10] = 0.33
            },

            {
                type = "attack",
                name = "clusterDistance",
                [1] = 3,
                [2] = 3,
                [3] = 4,
                [4] = 4,
                [5] = 5,
                [6] = 5,
                [7] = 6,
                [8] = 6,
                [9] = 7,
                [10] = 7
            },

            {
                type = "attack",
                name = "clusters",
                min = 2,
                [1] = 5,
                [2] = 5,
                [3] = 6,
                [4] = 6,
                [5] = 7,
                [6] = 7,
                [7] = 8,
                [8] = 8,
                [9] = 9,
                [10] = 9
            },

            {
                type = "attribute",
                name = "ttl",
                [1] = 400,
                [2] = 400,
                [3] = 450,
                [4] = 450,
                [5] = 500,
                [6] = 500,
                [7] = 550,
                [8] = 550,
                [9] = 600,
                [10] = 600
            },

            {
                type = "attack",
                name = "damage",
                [1] = 2,
                [2] = 4,
                [3] = 7,
                [4] = 13,
                [5] = 15,
                [6] = 18,
                [7] = 22,
                [8] = 28,
                [9] = 35,
                [10] = 40
            },

            {
                type = "attribute",
                name = "movement",
                [1] = 0.0,
                [2] = 0.0,
                [3] = 0.0,
                [4] = 0.0,
                [5] = 0.0,
                [6] = 0.0,
                [7] = 0.0,
                [8] = 0.0,
                [9] = 0.0,
                [10] = 0.0
            },
            {
                type = "attribute",
                name = "distancePerFrame",
                [1] = 0.013,
                [2] = 0.013,
                [3] = 0.014,
                [4] = 0.014,
                [5] = 0.015,
                [6] = 0.015,
                [7] = 0.016,
                [8] = 0.016,
                [9] = 0.017,
                [10] = 0.017
            },

            {
                type = "attack",
                name = "rangeFromPlayer",
                [1] = 10,
                [2] = 10,
                [3] = 11,
                [4] = 11,
                [5] = 12,
                [6] = 12,
                [7] = 13,
                [8] = 13,
                [9] = 14,
                [10] = 14
            },

            {
                type = "attack",
                name = "range",
                [1] = 10,
                [2] = 10,
                [3] = 11,
                [4] = 11,
                [5] = 12,
                [6] = 12,
                [7] = 13,
                [8] = 13,
                [9] = 14,
                [10] = 14
            },

            {
                type = "attack",
                name = "radius",
                [1] = 1.2,
                [2] = 1.3,
                [3] = 1.4,
                [4] = 1.5,
                [5] = 1.6,
                [6] = 1.7,
                [7] = 1.8,
                [8] = 1.9,
                [9] = 2.0,
                [10] = 2.5
            }

        }
    )

    -- spawner units
    buildUnits(
        {
            name = "spawner-biter",

            attributes = {

            },
            attack = {
            },
            scales = {
                [1] = 0.3,
                [2] = 0.3,
                [3] = 0.4,
                [4] = 0.4,
                [5] = 0.5,
                [6] = 0.5,
                [7] = 0.6,
                [8] = 0.6,
                [9] = 0.7,
                [10] = 0.7
            },
            resistances = {},

            type = "biter",
            tint = {r=0.7, g=0, b=0.7, a=1},
            tint2 = {r=0.8, g=0, b=0.8, a=1}
        },
        createMeleeAttack,
        {
            bloodFountains,

            {
                type = "attribute",
                name = "health",
                [1] = 30,
                [2] = 60,
                [3] = 90,
                [4] = 120,
                [5] = 150,
                [6] = 180,
                [7] = 220,
                [8] = 500,
                [9] = 1000,
                [10] = 2000
            },

            {
                type = "attribute",
                name = "healing",
                [1] = -0.05,
                [2] = -0.05,
                [3] = -0.05,
                [4] = -0.06,
                [5] = -0.07,
                [6] = -0.07,
                [7] = -0.08,
                [8] = -0.08,
                [9] = -0.09,
                [10] = -0.09
            }

        }
    )


    -- spawner spitters
    buildUnitSpawner(
        {
            unit = {
                name = "spawner-spitter",

                loot = biterLoot,
                attributes = {
                },
                attack = {
                    type = "projectile",
                    triggerCreated = false,
                    directionOnly = true,
                    sourceEffect = function (attributes)
                        return
                            {
                                {
                                    type = "damage",
                                    affects_target = true,
                                    damage = {amount = attributes.healthDamage or 5, type = attributes.damageType or "physical"}
                                }
                            }
                    end
                },
                resistances = {},

                type = "spitter",
                attackName = "spawner-drone",
                tint = {r=0.7, g=0.6, b=0.7, a=1},
                tint2 = {r=0.8, g=0, b=0.8, a=1}

            },

            unitSpawner = {
                name = "spawner-spitter-spawner",

                loot = spawnerLoot,
                attributes = {},
                resistances = {},

                tint = {r=0.7, g=0.6, b=0.7, a=1},
                tint2 = {r=0.8, g=0, b=0.8, a=1}
            }
        },

        {
            unit = {

                bloodFountains,

                {
                    type = "attack",
                    name = "cooldown",
                    [1] = 180,
                    [2] = 180,
                    [3] = 177,
                    [4] = 177,
                    [5] = 175,
                    [6] = 175,
                    [7] = 173,
                    [8] = 173,
                    [9] = 170,
                    [10] = 170
                }

            },

            unitSpawner = {

                bloodFountains,

                {
                    type = "attribute",
                    name = "evolutionRequirement",
                    formula = evolutionFunction
                }
            }

        },

        function (attack, attributes)
            local divider
            if attributes.health < 100 then
                divider = 2
            else
                divider = 2.5
            end
            attack.healthDamage = attributes.health / divider
            return createProjectileAttack(attack,
                                          createCapsuleProjectile(attack.name,
                                                                  attack,
                                                                  attack.name .. "-drone-rampant"),
                                          spitterattackanimation(attack.scale, attack.tint, attack.tint2))
        end
    )

    -- spawner worms
    buildWorm(
        {
            name = "spawner-worm",

            loot = wormLoot,
            attributes = {
            },
            attack = {
                type = "projectile",
                triggerCreated = false
            },
            resistances = {},

            attackName = "spawner-worm-drone",
            tint = {r=0.7, g=0.6, b=0.7, a=1},
            tint2 = {r=0.8, g=0, b=0.8, a=1}
        },

        {
            bloodFountains,

            {
                type = "attribute",
                name = "evolutionRequirement",
                formula = evolutionFunction
            }

        },

        function (attributes)
            return createProjectileAttack(attributes,
                                          createCapsuleProjectile(attributes.name,
                                                                  attributes,
                                                                  attributes.name .. "-drone-rampant"))
        end
    )
end

return spawner