resolvers_npc.lua

--Veins of the Earth
--Zireael 2013-2016


local Talents = require "engine.interface.ActorTalents"
local DamageType = require "engine.DamageType"
local ActorSkills = require "mod.class.interface.ActorSkills"

--NPC-related resolvers
function resolvers.classes(list)
	return {__resolver="classes", list, __resolve_last=true }
end

function resolvers.calc.classes(t, e)
	local Birther = require("engine.Birther")
--	local class = {}
	local class_list = Birther.birth_descriptor_def.class

	for class, n in pairs(t[1]) do
		local class = class:capitalize()
		print("[Classes] ".. class)
		if not n then print("[Classes] No number of levels") end
		if n <= 0 then print ("[Classes] Number of levels cannot be negative") end

		print("[Classes] number of levels "..n)

		local level = n
		e:giveLevels(class, n)

		e.challenge = e.challenge + level
		e.max_life = e.max_life
		e.life = e.max_life
	end

end

function resolvers.class()
 	return {__resolver="class", __resolve_last=true}
end


function resolvers.calc.class(t, e)
	local Birther = require("engine.Birther")
	local class

	local n = rng.dice(1,8)

	if rng.chance(2) then class = "Fighter" --end
	elseif rng.chance(4) then class = "Cleric" --end
	elseif rng.chance(2) then class = "Barbarian"
	elseif rng.chance(3) then class = "Rogue"
	elseif rng.chance(3) then class = "Ranger"
	elseif rng.chance(5) then class = "Wizard"
 	elseif rng.chance(6) then class = "Sorcerer"
	elseif rng.chance(8) then class = "Druid" --end
	elseif rng.chance(10) then class = "Warlock"
	else end

	if class then
	--safety check
		if game.zone.max_cr then
			if e.challenge + n > game:getDunDepth() + game.zone.max_cr then return end
		end

	e:giveLevels(class, n)
	e.challenge = e.challenge + n

	e.max_life = e.max_life
	e.life = e.max_life

	end
end

--Trainer variant
function resolvers.trainer_class()
 	return {__resolver="trainer_class", __resolve_last=true}
end

function resolvers.calc.trainer_class(t, e)
	--Step 1: pick a class
	local Birther = require("engine.Birther")

	--local class_table = { "barbarian", "bard", "cleric", "druid", "fighter", "monk", "paladin", "ranger", "rogue", "sorcerer", "wizard", "warlock", "shaman" }
	local class_table = { "barbarian", "bard", "cleric", "druid", "fighter", "ranger", "rogue", "sorcerer", "wizard", "shaman" }
	local class = rng.table(class_table)
	class = class:capitalize()

	local n = 2

	if class then
	--safety check
	--[[	if game.zone.max_cr then
			if e.challenge + n > game:getDunDepth() + game.zone.max_cr then return end
		end]]

	e:giveLevels(class, n)
	e.challenge = e.challenge + n

	e.max_life = e.max_life
	e.life = e.max_life
	print("[TRAINER] class", class)

	--Step 2: feats
	local all_feats = {}
	local get_feats = {}
	e.feats_train = {}

	for j, t in pairs(e.talents_def) do
		if t.is_feat then
			 all_feats[#all_feats+1] = t.id --{id=t.id, name=t.name}
		end
	end
	for i = 1, 3 do
		get_feats[#get_feats+1] = rng.tableRemove(all_feats)
		e.feats_train = table.reverse(get_feats)

		--debug
		for k, v in pairs(e.feats_train) do
			print("[TRAINER] feats offered "..k.." "..v)
		end
	end

	--Step 3: skills
	e.skills_train = {}
	local skills = ActorSkills:getClassSkills(class)
	local get_skills = {}
		--pick 4
		for i = 1, 4 do
			get_skills[#get_skills+1] = rng.tableRemove(skills)
			e.skills_train = table.reverse(get_skills)
			--debug
			for k, v in pairs(e.skills_train) do
				print("[TRAINER] skills offered "..k.." "..v)
			end
		end
	end
end

--Special stuff
function resolvers.specialnpc()
 	return {__resolver="specialnpc", __resolve_last=true}
end

function resolvers.calc.specialnpc(t, e)
	local choice
	local cr_boost = 0

	--pick special template
	if rng.chance(2) then
		choice = "bandit"
		cr_boost = 2
	elseif rng.chance(6) then
		choice = "outlaw"
		cr_boost = 1
	elseif rng.chance(10) then
		choice = "brigand"
		cr_boost = 1
	elseif rng.chance(8) then
		choice = "chieftain"
		cr_boost = 2
	elseif rng.chance(6) then
		choice = "shaman"
		cr_boost = 2
	elseif rng.chance(4) then
		choice = "skilled"
		cr_boost = 1
	elseif rng.chance(10) then
		choice = "experienced"
		cr_boost = 2
	elseif rng.chance(15) then
		choice = "veteran"
		cr_boost = 4
	elseif rng.chance(20) then
		choice = "elite"
		cr_boost = 5
	elseif rng.chance(25) then
		choice = "master"
		cr_boost = 7
	elseif rng.chance(30) then
		choice = "paragon"
		cr_boost = 9
	elseif rng.chance(40) then
		choice = "legendary"
		cr_boost = 12
	end

	--safety check
	if game.zone.max_cr then
		if e.challenge + cr_boost > game.zone.max_cr + game:getDunDepth() then
			choice = nil
		end
	end

	--apply the templates now
	--BANDIT: +2 Str, -2 Cha; HD +1 armor proficiencies, martial weapon proficiency. Power Attack;
	if choice == "bandit" then
--		e:learnTalent(e.POWER_ATTACK, true)
--		e:learnTalent(e.MARTIAL_WEAPON_PROFICIENCY, true)
		e.challenge = e.challenge +2
		e.hit_die = e.hit_die +1
		e.special = "bandit"
	--OUTLAW: +2 Dex -2 Cha; HD +1, armor proficiencies; Dodge, Expertise, Deft Opportunist
	elseif choice == "outlaw" then
--	e:learnTalent(e.DODGE, true)
		e.challenge = e.challenge +1
		e.hit_die = e.hit_die +1
		e.special = "outlaw"
	--BRIGAND: +2 Dex -2 Cha +2 HD; armor proficiencies; Power Attack, Endurance
	elseif choice == "brigand" then
		e.challenge = e.challenge +1
		e.hit_die = e.hit_die +2
		e.special = "brigand"
	--CHIEFTAIN: +4 Str  +4 Con, +2 attack, Power Attack, Cleave, *2 HD
	--magic armor and weapons
	elseif choice == "chieftain" then
--		e:learnTalent(e.POWER_ATTACK, true)
--		e:learnTalent(e.CLEAVE, true)
		e.hit_die = e.hit_die*2
		e.combat_attack = e.combat_attack +2
		e.challenge = e.challenge +2
		e.special = "chieftain"
	--SHAMAN: +4 Wis +2 HD +2 CR; Combat Casting
	-- potions, wands
	elseif choice == "shaman" then
		--e:learnTalent(e.COMBAT_CASTING, true)
		e.hit_die = e.hit_die +2
		e.challenge = e.challenge +2
		e.special = "shaman"
	--SKILLED: +1 to all attributes, +1 HD, +1 attack, +1 CR
	elseif choice == "skilled" then
		e.hit_die = e.hit_die +1
		e.combat_attack = e.combat_attack +1
		e.challenge = e.challenge +1
		e.special = "skilled"
	--EXPERIENCED: +2 to all attributes, +2 attack +2 HD
	elseif choice == "experienced" then
		e.combat_attack = e.combat_attack +2
		e.challenge = e.challenge +2
		e.hit_die = e.hit_die +2
		e.special = "experienced"
	--VETERAN: +2 Str +3 other attributes, +4 attack +4 HD
	elseif choice == "veteran" then
		e.challenge = e.challenge +4
		e.combat_attack = e.combat_attack +4
		e.hit_die = e.hit_die +4
		e.special = "veteran"
	--ELITE: +2 Str +4 other attributes; +6 attack +8 HD
	elseif choice == "elite" then
		e.challenge = e.challenge +5
		e.combat_attack = e.combat_attack +6
		e.hit_die = e.hit_die +8
		e.special = "elite"
	--MASTER: +2 Str +4 other attributes; +8 attack +12 HD
	elseif choice == "master" then
		e.challenge = e.challenge +7
		e.combat_attack = e.combat_attack +8
		e.hit_die = e.hit_die +12
		e.special = "master"
	--PARAGON: +2 Str +4 other attributes; +10 attack +15 HD
	elseif choice == "paragon" then
		e.challenge = e.challenge +9
		e.combat_attack = e.combat_attack +10
		e.hit_die = e.hit_die +15
		e.special = "paragon"
	--LEGENDARY: +2 Str +4 other attributes; +14 attack +20 HD
	elseif choice == "legendary" then
		e.challenge = e.challenge +12
		e.combat_attack = e.combat_attack +14
		e.hit_die = e.hit_die +20
		e.special = "legendary"
	end

end

--Based on Incursion
function resolvers.dragon_agecategory()
	return {__resolver="dragon_agecategory", __resolve_last=true}
end

function resolvers.calc.dragon_agecategory(t, e)
	local choice
	local cr_boost = 0

	if rng.chance(2) then
		choice = "very young"
		cr_boost = 2
	elseif rng.chance(4) then
		choice = "young"
		cr_boost = 3
	elseif rng.chance(6) then
		choice = "juvenile"
		cr_boost = 4
	elseif rng.chance(8) then
		choice = "young adult"
		cr_boost = 6
	elseif rng.chance(10) then
		choice = "adult"
		cr_boost = 8
	--logical consequence of Inc's templates
	elseif rng.chance(14) then
		choice = "mature adult"
		cr_boost = 10
	elseif rng.chance(16) then
		choice = "old"
		cr_boost = 12
	elseif rng.chance(20) then
		choice = "very old"
		cr_boost = 14
	elseif rng.chance(24) then
		choice = "ancient"
		cr_boost = 16
	elseif rng.chance(30) then
		choice = "wyrm"
		cr_boost = 20
	elseif rng.chance(35) then
		choice = "great wyrm"
		cr_boost = 22
	--we do nothing
	else
		choice = "hatchling"
		cr_boost = 0
	end

	--safety check
	if game.zone.max_cr then
		if e.challenge + cr_boost > game.zone.max_cr + game:getDunDepth() then
			choice = "hatchling"
		end
	end

	if choice == "hatchling" then
	--do nothing
	elseif choice == "very young" then
		e.challenge = e.challenge + 2
		e.hit_die = e.hit_die + 3
		e.combat.dam = {1, 6}
		--Power Attack
	elseif choice == "young" then
		e.challenge = e.challenge + 3
		e.hit_die = e.hit_die + 6
		e.combat.dam = {1, 8}
		--Power Attack
	elseif choice == "juvenile" then
		e.challenge = e.challenge + 4
		e.hit_die = e.hit_die + 9
		e.combat.dam = {1, 8}
		--Power Attack, Rend
	elseif choice == "young adult" then
	--	e.image =  adult
		e.challenge = e.challenge + 6
		e.hit_die = e.hit_die + 12
		e.combat.dam = {2, 6}
		--Power Attack, Rend
		--frightful presence DC 21
	elseif choice == "adult" then
		--	e.image =  adult
		e.challenge = e.challenge + 8
		e.hit_die = e.hit_die + 15
		e.combat.dam = {2, 8}
		--Power Attack, Rend
		--frightful presence DC 24
	elseif choice == "mature adult" then
		--	e.image =  adult
		e.challenge = e.challenge + 10
		e.hit_die = e.hit_die + 18
		e.combat.dam = {2, 8}
		--Power Attack, Rend
		--frightful presence DC 26
	elseif choice == "old" then
		--	e.image =  adult
		e.challenge = e.challenge + 12
		e.hit_die = e.hit_die + 21
		e.combat.dam = {2, 8}
		--Power Attack, Rend
		--frightful presence DC 29
	elseif choice == "very old" then
		--	e.image =  adult
		e.challenge = e.challenge + 14
		e.hit_die = e.hit_die + 24
		e.combat.dam = {2, 8}
		--Power Attack, Rend
		--frightful presence DC 31
	elseif choice == "ancient" then
		--	e.image =  adult
		e.challenge = e.challenge + 16
		e.hit_die = e.hit_die + 27
		e.combat.dam = {2, 8}
		--Power Attack, Rend
		--frightful presence DC 34
	elseif choice == "wyrm" then
		--	e.image =  adult
		e.challenge = e.challenge + 18
		e.hit_die = e.hit_die + 30
		e.combat.dam = {2, 8}
		--Power Attack, Rend
		--frightful presence DC 35
	elseif choice == "great wyrm" then
		--	e.image =  adult
		e.challenge = e.challenge + 20
		e.hit_die = e.hit_die + 33
		e.combat.dam = {2, 8}
		--Power Attack, Rend
		--frightful presence DC 38
	end

	--append the age to the dragon name
	e.name = choice.." "..e.name
	--set the age category
	e.age_cat = choice
end


--[[	--CURATE: +4 CR; +2 Str +2 Con +4 Int +3 Wis +6; AC +2 attack +3 HD +4; armor proficiencies, Combat Casting, Power Attack, turn undead (Clr5)
	elseif rng.chance(15) then
		--feats go here
		e.challenge = e.challenge + 4
		e.hit_die = e.hit_die +4
		e.combat_attack = e.combat_attack + 3
		e.combat_untyped = e.combat_untyped +2
		e.special = "curate"]]


--Offspring stuff
function resolvers.kid_sex()
	return {__resolver="kid_sex",  }
end

function resolvers.calc.kid_sex()
	if rng.chance(50) then return "Male"
	else return "Female" end
end

function resolvers.kid_race(player, npc)
	return {__resolver="kid_race", player, npc }
end

function resolvers.calc.kid_race(t, e)
	local player = t[1]
	local npc = t[2]
	if not player or not npc then return end

	local race

	--Standard half-X races
	if player == "Human" and npc == "Drow" then race = "half-drow" end
	if player == "Human" and npc == "Elf" then race = "half-elf" end
	if player == "Human" and npc == "Orc" then race = "half-orc" end
	if player == "Elf" and npc == "Human" then race = "half-elf" end
	if player == "Drow" and npc == "Human" then race = "half-drow" end
	if player == "Orc" and npc == "Human" then race = "half-orc" end

	--Drow/elves crossbreed is always one of the parent races
	if (player == "Elf" and npc == "Drow") or (player == "Drow" and npc == "Elf") then
	    if rng.dice(1,6) < 4 then race = "drow"
        else race = "elf" end
	end

	--Purebreed
	if player == npc then race = player end

	return race
end

function resolvers.kid_alignment(player, npc)
    return {__resolver="kid_alignment", player, npc }
end

function resolvers.calc.kid_alignment(t, e)
    local player = t[1]
    local npc = t[2]

    if npc:isEvil() and player:isPlayerEvil() then
        if rng.dice(1,3) == 1 then return "Lawful Evil" end
        if rng.dice(1,3) == 2 then return "Neutral Evil" end
        if rng.dice(1,3) == 3 then return "Chaotic Evil" end
    end

    if npc:isEvil() and not player:isPlayerEvil() then
    	if npc:isLawful() and player:isPlayerLawful() then
    		if rng.dice(1,6) == 1 then return "Lawful Neutral"
    		else return "Lawful Evil" end

    	elseif npc:isChaotic() and player:isPlayerChaotic() then
    		if rng.dice(1,4) == 1 then return "Chaotic Neutral"
    		else return "Chaotic Evil" end

    	else
    		if rng.dice(1,6) < 4 then return "Neutral Evil"
    		else return "Neutral" end
    	end

    else
    	--something
	end
end


function resolvers.kid_name()
	return {__resolver="kid_name", __resolve_last=true, }
end

function resolvers.calc.kid_name(t, e)
    local race = e.subtype:capitalize()
    local sex = e.sex

    local name
    name = e:randomName(race, sex)

    e.name = name
end