1 files changed, 284 insertions, 0 deletions
diff --git a/not/Hero.lua b/not/Hero.lua
new file mode 100644
index 0000000..feb61da
--- /dev/null
+++ b/not/Hero.lua
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+--- `Hero`
+-- Hero (often referred to as: "naut") entity that exists in a game world.
+-- Collision category: [2]
+Hero = {
+	-- General and physics
+	name = "empty",
+	angle = 0,
+	facing = 1,
+	max_velocity = 105,
+	world = --[[not.World]]nil,
+	group = nil,
+	-- Combat
+	combo = 0,
+	lives = 3,
+	spawntimer = 2,
+	isAlive = true,
+	punchCooldown = 0.25,
+	punchdir = 0, -- a really bad thing
+	-- Movement
+	inAir = true,
+	salto = false,
+	isJumping = false,
+	isWalking = false,
+	jumpTimer = 0.16,
+	jumpCounter = 2,
+	-- Statics
+	portrait_sprite = nil,
+	portrait_frame  = nil,
+	portrait_sheet  = getNautsIconsList(),
+	portrait_box    = love.graphics.newQuad( 0, 15, 32,32, 80,130),
+	sfx = require "config.sounds",
+}
+
+-- `Hero` is a child of `PhysicalBody`.
+require "not.PhysicalBody"
+Hero.__index = Hero
+setmetatable(Hero, PhysicalBody)
+
+-- Constructor of `Hero`.
+function Hero:new (game, world, x, y, name)
+	local o = setmetatable({}, self)
+	o:init(name, game, x, y)
+	-- Load portraits statically.
+	if self.portrait_sprite == nil then
+		self.portrait_sprite = love.graphics.newImage("assets/portraits.png")
+		self.portrait_frame = love.graphics.newImage("assets/menu.png")
+	end
+	return o
+end
+
+-- Initializer of `Hero`.
+function Hero:init (name, world, x, y)
+	-- Find imagePath based on hero name.
+	local fileName = name or Hero.name -- INITIAL from metatable
+	local imagePath = string.format("assets/nauts/%s.png", fileName)
+	-- `PhysicalBody` initialization.
+	PhysicalBody.init(self, world, x, y, imagePath)
+	self:setBodyType("dynamic")
+	self:setBodyFixedRotation(true)
+	self.group = -1-#world.Nauts
+	-- Main fixture initialization.
+	local fixture = self:addFixture({-5,-8, 5,-8, 5,8, -5,8}, 8)
+	fixture:setUserData(self)
+	fixture:setCategory(2)
+	fixture:setMask(2)
+	fixture:setGroupIndex(self.group)
+	-- Actual `Hero` initialization.
+	self.world = world
+	self.punchCooldown = 0
+	self.name = name
+	self:setAnimationsList(require("config.animations.hero"))
+	self:createEffect("respawn")
+end
+
+-- Update callback of `Hero`
+function Hero:update (dt)
+	PhysicalBody.update(self, dt)
+	if self.body:isDestroyed() then return end
+
+	-- Salto
+	if self.salto and (self.current == self.animations.walk or self.current == self.animations.default) then
+		self.angle = (self.angle + 17 * dt * self.facing) % 360
+	elseif self.angle ~= 0 then
+		self.angle = 0
+	end
+
+	-- Custom linear damping.
+	if not self.isWalking then
+		local face = nil
+		local x, y = self:getLinearVelocity()
+		if x < -12 then
+			face = 1
+		elseif x > 12 then
+			face = -1
+		else
+			face = 0
+		end
+		self:applyForce(40*face,0)
+		if not self.inAir then
+			self:applyForce(80*face,0)
+		end
+	end
+
+	-- Could you please die?
+	-- TODO: World/Map function for testing if Point is inside playable area.
+	local m = self.world.map
+	local x, y = self:getPosition()
+	if (x < m.center_x - m.width*1.5 or x > m.center_x + m.width*1.5  or
+	    y < m.center_y - m.height*1.5 or y > m.center_y + m.height*1.5) and
+	    self.isAlive
+	then
+		self:die()
+	end
+
+	-- Respawn timer.
+	if self.spawntimer > 0 then
+		self.spawntimer = self.spawntimer - dt
+	end
+	if self.spawntimer <= 0 and not self.isAlive and self.lives >= 0 then
+		self:respawn()
+	end
+
+	-- # PUNCH
+	-- Cooldown
+	self.punchCooldown = self.punchCooldown - dt
+	if not self.body:isDestroyed() then -- TODO: This is weird
+		for _,fixture in pairs(self.body:getFixtureList()) do -- TODO: getFixtures from `PhysicalBody` or similar.
+			if fixture:getUserData() ~= self then
+				fixture:setUserData({fixture:getUserData()[1] - dt, fixture:getUserData()[2]})
+				if fixture:getUserData()[1] < 0 then
+					fixture:destroy()
+				end
+			end
+		end
+	end
+
+	-- Stop vertical
+	local c,a = self.current, self.animations
+	if (c == a.attack_up or c == a.attack_down or c == a.attack) and self.frame < c.frames then
+		if self.punchdir == 0 then
+			self:setLinearVelocity(0,0)
+		else
+			self:setLinearVelocity(38*self.facing,0)
+		end
+	end
+
+	if self.punchCooldown <= 0 and self.punchdir == 1 then
+		self.punchdir = 0
+	end
+end
+
+-- TODO: comment them and place them somewhere properly
+function Hero:getAngle ()
+	return self.angle
+end
+function Hero:getHorizontalMirror ()
+	return self.facing
+end
+function Hero:getOffset ()
+	return 12,15
+end
+
+-- Draw of `Hero`
+function Hero:draw (offset_x, offset_y, scale, debug)
+	if not self.isAlive then return end
+	PhysicalBody.draw(self, offset_x, offset_y, scale, debug)
+end
+
+-- Draw HUD of `Hero`
+-- elevation: 1 bottom, 0 top
+function Hero:drawHUD (x,y,scale,elevation)
+	-- hud displays only if player is alive
+	if self.isAlive then
+		love.graphics.setColor(255,255,255,255)
+		love.graphics.draw(self.portrait_frame, self.portrait_box, (x)*scale, (y)*scale, 0, scale, scale)
+		love.graphics.draw(self.portrait_sprite, self.portrait_sheet[self.name], (x+2)*scale, (y+3)*scale, 0, scale, scale)
+		local dy = 30 * elevation
+		love.graphics.setFont(Font)
+		love.graphics.print((self.combo).."%",(x+2)*scale,(y-3+dy)*scale,0,scale,scale)
+		love.graphics.print(math.max(0, self.lives),(x+24)*scale,(y-3+dy)*scale,0,scale,scale)
+	end
+end
+
+-- Change animation of `Hero`
+-- default, walk, attack, attack_up, attack_down, damage
+function Hero:goToNextFrame ()
+	if self.current.repeated or not (self.frame == self.current.frames) then
+		self.frame = (self.frame % self.current.frames) + 1
+	elseif self.isWalking then
+		self:setAnimation("walk")
+	elseif self.current == self.animations.damage then
+		self:setAnimation("default")
+	end
+end
+
+-- Spawn `Effect` relative to `Hero`
+function Hero:createEffect (name)
+	if name == "trail" or name == "hit" then
+		-- 16px effect: -7 -7
+		self.world:createEffect(name, self.body:getX()-8, self.body:getY()-8)
+	elseif name ~= nil then
+		-- 24px effect: -12 -15
+		self.world:createEffect(name, self.body:getX()-12, self.body:getY()-15)
+	end
+end
+
+-- Creates temporary fixture for hero's body that acts as sensor.
+-- direction:  ("left", "right", "up", "down")
+-- Sensor fixture is deleted after time set in UserData[1]; deleted by `not.Hero.update`.
+-- TODO: Magic numbers present in `not.Hero.punch`.
+function Hero:punch (direction)
+	self.punchCooldown = Hero.punchCooldown -- INITIAL from metatable
+	-- Choose shape based on punch direction.
+	local shape
+	if direction == "left" then shape = {-2,-6, -20,-6, -20,6, -2,6} end
+	if direction == "right" then shape = {2,-6, 20,-6, 20,6, 2,6} end
+	if direction == "up" then shape = {-8,-4, -8,-20, 8,-20, 8,-4} end
+	if direction == "down" then shape = {-8,4, -8,20, 8,20, 8,4} end
+	-- Create and set sensor fixture.
+	local fixture = self:addFixture(shape, 0)
+	fixture:setSensor(true)
+	fixture:setCategory(3)
+	fixture:setMask(1,3)
+	fixture:setGroupIndex(self.group)
+	fixture:setUserData({0.08, direction})
+	self:playSound(4)
+end
+
+-- Taking damage of `Hero` by successful hit test
+-- currently called from World's startContact
+-- TODO: attack functions needs to be renamed, because even I have problems understanding them.
+function Hero:damage (direction)
+	local horizontal, vertical = 0, 0
+	if direction == "left" then
+		horizontal = -1
+	end
+	if direction == "right" then
+		horizontal = 1
+	end
+	if direction == "up" then
+		vertical = -1
+	end
+	if direction == "down" then
+		vertical = 1
+	end
+	self:createEffect("hit")
+	local x,y = self:getLinearVelocity()
+	self:setLinearVelocity(x,0)
+	self:applyLinearImpulse((42+self.combo)*horizontal, (68+self.combo)*vertical + 15)
+	self:setAnimation("damage")
+	self.combo = math.min(999, self.combo + 10)
+	self.punchCooldown = 0.08 + self.combo*0.0006
+	self:playSound(2)
+end
+
+-- DIE
+function Hero:die ()
+	self:playSound(1)
+	self.combo = Hero.combo -- INITIAL from metatable
+	self.lives = self.lives - 1
+	self.isAlive = false
+	self.spawntimer = Hero.spawntimer -- INITIAL from metatable
+	self:setBodyActive(false)
+	self.world:onNautKilled(self)
+end
+
+-- And then respawn. Like Jon Snow.
+function Hero:respawn ()
+	self.isAlive = true
+	self:setLinearVelocity(0,0)
+	self:setPosition(self.world:getSpawnPosition()) -- TODO: I'm not convinced about getting new position like this.
+	self:setBodyActive(true)
+	self:createEffect("respawn")
+	self:playSound(7)
+end
+
+-- Sounds
+-- TODO: Possibly export to nonexistent SoundEmitter class. Can be used by World (Stage), too.
+function Hero:playSound (sfx, force)
+	if self.isAlive or force then
+		local source = love.audio.newSource(self.sfx[sfx])
+		source:play()
+	end
+end