-- Copyright (C) 2007, 2010 - Bit-Blot
--
-- This file is part of Aquaria.
--
-- Aquaria is free software; you can redistribute it and/or
-- modify it under the terms of the GNU General Public License
-- as published by the Free Software Foundation; either version 2
-- of the License, or (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
--
-- See the GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

if not v then v = {} end
if not AQUARIA_VERSION then dofile("scripts/entities/entityinclude.lua") end

v.n = 0

v.dir = -1

v.ing = 0

v.mouthState = 0

local MOUTH_IDLE	= 0
local MOUTH_OPEN 	= 1
local MOUTH_CLOSED	= 2

local STATE_SPIT	= 1000

v.holding = 0

v.bite = 0

v.eyeglow = 0

function init(me)
	setupEntity(me)
	entity_setEntityType(me, ET_ENEMY)
	entity_initSkeletal(me, "grouper")	
	--entity_setAllDamageTargets(me, false)
	
	entity_setCollideRadius(me, 128)
	
	entity_setHealth(me, 24)
	
	--entity_setEntityLayer(me, 1)
	
	entity_offset(me, 0, -40)
	entity_offset(me, 0, 40, 3, -1, 1, 1)
	
	entity_setState(me, STATE_IDLE)
	
	v.eyeglow = entity_getBoneByName(me, "glow")
	bone_setBlendType(v.eyeglow, BLEND_ADD)
	bone_alpha(v.eyeglow, 0)
	
	v.bite = entity_getBoneByName(me, "bite")
	bone_alpha(v.bite, 0)
	
	esetv(me, EV_ENTITYDIED, 1)
	
	entity_setCullRadius(me, 800)
	
	loadSound("grouper")
	loadSound("grouper-hurt")
	loadSound("grouper-die")
	
	entity_setDeathSound(me, "grouper-die")
	
	entity_setDeathScene(me, true)
	
	entity_setDeathParticleEffect(me, "tinygreenexplode")
	
	--entity_addVel(me, randVector(500))
end

local function doSetRenderPass(me, pass)
	for i=0,5 do if i ~= 1 then bone_setRenderPass(entity_getBoneByIdx(me, i), pass) end end
end

local function closeMouth(me)
	entity_stopAllAnimations(me)
	entity_animate(me, "idle", -1)
	entity_animate(me, "close", 0, 1)
	v.mouthState = MOUTH_IDLE
	
	debugLog("set render pass 0")
	doSetRenderPass(me, 0)
end

function postInit(me)
	v.n = getNaija()
	entity_setTarget(me, v.n)
end

function entityDied(me, theIng)
	if theIng == v.ing then
		entity_stopAllAnimations(me)
		entity_animate(me, "idle", -1)
		entity_animate(me, "close", 0, 1)
		v.ing = 0
	end
end

local function checkMouth(me)
	local bx, by = bone_getWorldPosition(v.bite)
	if v.mouthState == MOUTH_OPEN then
		if entity_isPositionInRange(v.n, bx, by, 96) then
			v.holding = v.n
			
			closeMouth(me)
			
						
			entity_setState(me, STATE_WAIT, 2, 1)
			v.ing = 0
			
			debugLog("set render pass 3")
			doSetRenderPass(me, 3)
		end
	end
end

function update(me, dt)
	entity_updateMovement(me, dt)
	
	--[[
	--entity_addVel(me, v.dir*100*dt, 0)
	entity_doCollisionAvoidance(me, dt, 32, 0.1)
	entity_doCollisionAvoidance(me, dt, 16, 0.1)
	
	if math.abs(entity_velx(me)) < 100 or math.abs(entity_vely(me)) < 100 then
		entity_addVel(me, randVector(500))
	end
	
	entity_flipToVel(me)
	]]--
	
	local bx, by = bone_getWorldPosition(v.bite)
	
	if entity_isState(me, STATE_IDLE) then
		if v.ing == 0 then
			v.ing = entity_getNearestEntity(me, "", 1024, ET_INGREDIENT, 0)
			entity_setMaxSpeedLerp(me, 0.01, 0.2)
			v.mouthState = MOUTH_IDLE
		else
			entity_doCollisionAvoidance(me, dt, 16, 0.5)
			--debugLog(string.format("ing: %s", entity_getName(v.ing)))
			if v.mouthState ~= MOUTH_OPEN then
				spawnParticleEffect("bubble-release", bx, by)
				entity_animate(me, "open", 0, 1)
				v.mouthState = MOUTH_OPEN
				
				debugLog("set render pass 3")
				doSetRenderPass(me, 3)
				
				entity_sound(me, "grouper")
			end
			
			entity_moveTowards(me, entity_x(v.ing)-64, entity_y(v.ing), dt, 2000)
			if entity_isPositionInRange(me, entity_x(v.ing), entity_y(v.ing), 128) then
				entity_sound(me, "gulp")
				entity_delete(v.ing)
				v.ing = 0
				entity_stopAllAnimations(me)
				entity_animate(me, "idle", -1)
				entity_animate(me, "close", 0, 1)
			end
			entity_setMaxSpeedLerp(me, 2, 0.2)
			checkMouth(me)
		end
	elseif entity_isState(me, STATE_OPEN) then
		checkMouth(me)
	end
	
	if v.ing == 0 then
		if v.mouthState == MOUTH_OPEN then
			closeMouth(me)
			entity_setState(me, STATE_IDLE)
		end
	end
	

	
	if v.holding ~= 0 then
		entity_setPosition(v.holding, bx, by)
	end
	
	if v.holding ~= 0 and not (entity_isState(me, STATE_WAIT) or entity_isState(me, STATE_SPIT)) then
		entity_setState(me, STATE_SPIT, 1)
	end
	
	if v.holding == 0 and v.ing == 0 and v.mouthState ~= MOUTH_OPEN then
		doSetRenderPass(me, 0)
	end
	
	entity_doCollisionAvoidance(me, dt, 10, 0.5)
	entity_flipToVel(me)
	
	if entity_isState(me, STATE_IDLE) then
		if entity_touchAvatarDamage(me, entity_getCollideRadius(me), 0) then
			if v.mouthState ~= MOUTH_OPEN and avatar_isBursting() and entity_setBoneLock(v.n, me) then
				-- yay!
			else
				local x, y = entity_getVectorToEntity(me, v.n, 1000)
				entity_addVel(v.n, x, y)
			end
		end
	end
	
	entity_handleShotCollisions(me)
end

function enterState(me)
	if entity_isState(me, STATE_IDLE) then
		entity_animate(me, "idle", -1)
	elseif entity_isState(me, STATE_SPIT) then
		local bx, by = bone_getWorldPosition(v.bite)
		spawnParticleEffect("bubble-release", bx, by)
		entity_animate(me, "open2", 0, 1)
		if v.holding ~= 0 then
			entity_clearVel(v.holding)
			if entity_isfh(me) then
				entity_push(v.holding, 5000, 0, 2, 5000, 0.5)
				entity_addVel(v.holding, 5000, 0)
			else
				entity_push(v.holding, -5000, 0, 2, 5000, 0.5)
				entity_addVel(v.holding, -5000, 0)
			end
		end
		v.holding = 0
	elseif entity_isState(me, STATE_WAIT) then
		entity_setMaxSpeedLerp(me, 0, 2)
	elseif entity_isState(me, STATE_OPEN) then
		if entity_getBoneLockEntity(getNaija()) == me then
			avatar_fallOffWall()
		end
		if v.mouthState ~= MOUTH_OPEN then
			local bx, by = bone_getWorldPosition(v.bite)
			spawnParticleEffect("bubble-release", bx, by)
			entity_animate(me, "open", 0, 1)
			v.mouthState = MOUTH_OPEN
			
			debugLog("set render pass 3")
			doSetRenderPass(me, 3)
		end
	elseif entity_isState(me, STATE_DEATHSCENE) then
		entity_scale(me, 0, 0, 2)
		entity_setStateTime(me, 2)
	end
end

function exitState(me)
	if entity_isState(me, STATE_WAIT) then
		entity_setState(me, STATE_SPIT, 1)
	elseif entity_isState(me, STATE_SPIT) then
		closeMouth(me)
		entity_setState(me, STATE_IDLE)
	elseif entity_isState(me, STATE_OPEN) then
		closeMouth(me)
		v.mouthState = MOUTH_IDLE
		entity_setState(me, STATE_IDLE)
	end
end

function damage(me, attacker, bone, damageType, dmg)
	entity_sound(me, "grouper-hurt")
	v.n = getNaija()
	entity_setMaxSpeedLerp(me, 2, 0)
	entity_setMaxSpeedLerp(me, 0, 2)
	entity_moveTowards(me, entity_x(v.n), entity_y(v.n), 1, -3000)
	return true
end

function animationKey(me, key)
end

function hitSurface(me)
end

function songNote(me, note)
	bone_alpha(v.eyeglow, 0.5, 1)
	bone_setColor(v.eyeglow, getNoteColor(note))
end

function songNoteDone(me, note, timer)
	if timer > 1 then
		entity_setState(me, STATE_OPEN, 2)
	end
	bone_alpha(v.eyeglow, 0, 1)
end

function song(me, song)
end

function activate(me)
end