g3d = require "g3d"
require "suppfunc"

function love.load()
	-- Personal seed generation
	personalseed = love.data.encode("string", "hex", love.data.hash("sha256", os.getenv("PATH")))
	notsorandomseed = personalseed
	math.randomseed(tonumber(personalseed, 16))

	-- Reset variables
	fps_second = 0
	fps_count = 0
	fps_draw = 0

	-- GRAPHICS
		-- GOOD PIXEL
	love.graphics.setDefaultFilter("nearest")
		-- meshe stuff
	love.graphics.setMeshCullMode("back")
		-- FONTS
	DefaultFont = love.graphics.newImageFont("default_font.png",
   " abcdefghijklmnopqrstuvwxyz" ..
   "ABCDEFGHIJKLMNOPQRSTUVWXYZ0" ..
	 "123456789.,!?-+/():;%&`'*#=[]\"")
	love.graphics.setFont(DefaultFont)
	g3d.camera.down = {0,-1,0}
	obj_list = {}

	--	obj_flower_pot = g3d.newModel("objects/flower_pot.obj","objects/flower_pot/texture.png",{0,0,0},{0,0,0},{1,-1,1}),
	--
	generate_museum(0,0,0)
end

function love.mousemoved(x,y, dx,dy)
	if not pause then
		g3d.camera.firstPersonLook(dx,dy)
	end
end

function love.update(dt)
	if not pause then
		g3d.camera.firstPersonMovement(dt,5)
	end
	  -- count frames per seconds
  if fps_second >= 1 then
    fps_second = fps_second - 1
    fps_draw = fps_count
		fps_count = 0
  end
  fps_second = fps_second + dt
  fps_dt = dt
  fps_count = fps_count + 1
end

function love.keypressed(key)
	if key == "z" then
		obj_list = {}
		notsorandomseed = os.time()
		math.randomseed(notsorandomseed)
		notsorandomseed = love.data.encode("string", "hex", love.data.hash("sha256", notsorandomseed))
		generate_museum(0,0,0)
	end
	if key == "escape" then
		if pause then
			pause = false
			love.mouse.setRelativeMode(true)
		else
			pause = true
			love.mouse.setRelativeMode(false)
		end
	end
end

function love.draw()
	-- draw everything
	for _, obj in pairs(obj_list) do
		obj:draw()
	end

	-- Print FPS
	love.graphics.print("FPS: "..fps_draw.." Frametime: "..fps_dt)

	-- print "Press [z] to generate a new museum"
	love.graphics.print("Press [z] to generate a new museum", 20, 20)

	-- print coords
	love.graphics.print("x: "..math.floor(g3d.camera.position[1])..", y: "..math.floor(g3d.camera.position[2])..", z: "..math.floor(g3d.camera.position[3]), 20, 40)

	-- print seed
	if notsorandomseed == personalseed then
		love.graphics.setColor(hexrgb("#FFD700"))
		love.graphics.print("Seed: "..personalseed, 20, 60)
		love.graphics.setColor(hexrgb("#ffffff"))
	else
		love.graphics.print("Seed: "..notsorandomseed, 20, 60)
	end


	if pause then
		love.graphics.rectangle("fill", 20, 20, love.graphics.getWidth()-40, love.graphics.getHeight()-40)
	end
end

function generate_museum(x,y,z)
	local width = math.random(10,20)
	local height = 4
	local depth = math.random(10,20)

	-- make the ground
	for w = 0, width, 1 do for d = 0, depth, 1 do
				table.insert(obj_list,g3d.newModel("objects/ground.obj","objects/ground/texture.png",{x+w,y,z+d},{0,0,0},{-1,1,-1}))
	end	end

	-- make the walls
	for w = 0, width, 1 do for h = 0, height, 1 do
		table.insert(obj_list,g3d.newModel("objects/wall.obj","objects/wall/texture.png",{x+w,y-h-1,z},{0,math.pi/2,0},{-1,1,-1}))
		table.insert(obj_list,g3d.newModel("objects/wall.obj","objects/wall/texture.png",{x+w,y-h-1,z+depth},{0,math.pi/2,0},{-1,1,-1}))
	end	end

	for d = 0, depth, 1 do for h = 0, height, 1 do
		table.insert(obj_list,g3d.newModel("objects/wall.obj","objects/wall/texture.png",{x,y-h-1,z+d},{0,0,0},{-1,1,-1}))
		table.insert(obj_list,g3d.newModel("objects/wall.obj","objects/wall/texture.png",{x+width,y-h-1,z+d},{0,0,0},{-1,1,-1}))
	end	end

	-- decorate with paintings
	local art_height = 2.5

	for w = 2, width-2, 4 do
		random_art(x+w,y-art_height,z+1/16,0,-math.pi/2,0)
		random_art(x+w,y-art_height,z-1/16+depth,0,math.pi/2,0)
	end
	for d = 2, depth-2, 4 do
		random_art(x+1/16,y-art_height,z+d,0,0,0)
		random_art(x-1/16+width,y-art_height,z+d,0,-math.pi,0)
	end

	-- place pillars to support the room in the middle of the room
	pillars = math.random(0,1)

	if pillars == 0 then
		-- no pillars
	elseif pillars == 1 then
		table.insert(obj_list,g3d.newModel("objects/pillar.obj","objects/pillar/texture.png",{x+width/4, y-5*(76/80), z+depth/4},{0,0,0},{1,1,1}))
		table.insert(obj_list,g3d.newModel("objects/pillar.obj","objects/pillar/texture.png",{x+width*3/4, y-5*(76/80), z+depth*3/4},{0,0,0},{1,1,1}))
		table.insert(obj_list,g3d.newModel("objects/pillar.obj","objects/pillar/texture.png",{x+width*3/4, y-5*(76/80), z+depth/4},{0,0,0},{1,1,1}))
		table.insert(obj_list,g3d.newModel("objects/pillar.obj","objects/pillar/texture.png",{x+width/4, y-5*(76/80), z+depth*3/4},{0,0,0},{1,1,1}))
	end

	-- place carpet in the middle of the room
		table.insert(obj_list,g3d.newModel("objects/carpet.obj","objects/carpet/texture.png",{x+width/2, y-(1/16)	, z+depth/2},{0,math.random(),0},{1,-1,1}))

	-- place camera in the middle of the room
	g3d.camera.position = {x+width/2, y-2, z+depth/2}
end


function random_art(x,y,z,rotx,roty,rotz)
	local art = math.random(0,10)
	if art == 0 then
		-- no art :S
	elseif art == 1 then
		table.insert(obj_list,g3d.newModel("objects/art_9_12.obj","objects/art_9_12/eri_sueños.png",{x,y-(12/16),z},{rotx,roty,rotz},{1,1,1}))
	elseif art == 2 then
		table.insert(obj_list,g3d.newModel("objects/art_1_1.obj","objects/art_1_1/yari_walk.png",{x,y-(10/16),z},{rotx,roty,rotz},{1,1,1}))
	elseif art == 3 then
		table.insert(obj_list,g3d.newModel("objects/art_16_9.obj","objects/art_16_9/clareta_tira.png",{x,y-(9/16),z},{rotx,roty,rotz},{1,1,1}))
	elseif art == 4 then
		table.insert(obj_list,g3d.newModel("objects/art_16_12.obj","objects/art_16_12/clareta_garden_throne.png",{x,y-(12/16),z},{rotx,roty,rotz},{1,1,1}))
	elseif art == 5 then
		table.insert(obj_list,g3d.newModel("objects/art_24_16.obj","objects/art_24_16/eri_dungeon.png",{x,y-(16/16),z},{rotx,roty,rotz},{1,1,1}))
	elseif art == 6 then
		table.insert(obj_list,g3d.newModel("objects/art_12_9.obj","objects/art_12_9/noe_nerielle.png",{x,y-(9/16),z},{rotx,roty,rotz},{1,1,1}))
	elseif art == 7 then
		table.insert(obj_list,g3d.newModel("objects/art_1_1.obj","objects/art_1_1/yari_pumpum.png",{x,y-(10/16),z},{rotx,roty,rotz},{1,1,1}))
	elseif art == 8 then
		table.insert(obj_list,g3d.newModel("objects/art_12_6.obj","objects/art_12_6/eri_sigils.png",{x,y-(6/16),z},{rotx,roty,rotz},{1,1,1}))
	elseif art == 9 then
		table.insert(obj_list,g3d.newModel("objects/art_16_24.obj","objects/art_16_24/eri_ariel_with_overalls.png",{x,y-(24/16),z},{rotx,roty,rotz},{1,1,1}))
	elseif art == 10 then
		table.insert(obj_list,g3d.newModel("objects/art_4_3.obj","objects/art_4_3/eri_window.png",{x,y-(16/16),z},{rotx,roty,rotz},{1,1,1}))
	end
end