module Render where

import Control.Monad (forM_)
import Data.List
import Data.Array ((!))
import GHC.Exts

import Graphics.UI.SDL as SDL
import Graphics.UI.SDL.Image as SDLi
import Graphics.UI.SDL.TTF as TTF
import Graphics.UI.SDL.Mixer as Mix
import FRP.Yampa.Geometry

import RenderPlayer
import RenderBall
import RenderGame
import RenderUtil

import Object
import States
import BasicTypes

init = do
    SDL.init [SDL.InitVideo]
    TTF.init

    screen <- SDL.setVideoMode (truncate winWidth) (truncate winHeight) 32 []
    openAudio 22050 AudioS16Sys 2 4096
    pitch <- pitchRessources screen
    fonts <- fontsRessources
    balls <- ballRessources screen
    (tockWav, kickWav, whistleWav) <- soundRessources

    return (screen, pitch, fonts, balls, tockWav, kickWav, whistleWav)

exit = do
    closeAudio
    TTF.quit
    SDL.quit

renderObjects param oos (screen, pitch, fonts, balls, tockWav, kickWav, whistleWav) = do
    cf <- chalkFontsRessources
    cfb <- bigChalkFonts
    forM_ sorted $ \os ->
        case os of
            OOSBall   oosPos
                      oosVelocity
                      oosBounced
                      oosPState
                      -> do renderBall param screen balls tockWav oosPos oosBounced
                            renderBallDebug screen oosPState cf (point3Z oosPos)
            OOSPlayer oosPos
                      oosVel
                      oosAcc
                      oosKicked
                      oosSelected
                      oosDesignated
                      oosRadius
                      (oosTeam, oosBorder, oosBody)
                      (PlayerInfo oosNumber _ bpOff bpDef _ _ _)
                      oosDir
                      (bs, bsp)
                      (ts, tsp)
                      oosOnFoot
                      -> do renderPlayer param screen oosPos oosDir oosSelected oosNumber
                                               oosBody oosBorder oosBorder oosKicked
                                               (ts==TSNonAI) oosDesignated fonts kickWav
                            renderPlayerDebug screen oosSelected oosNumber bs ts oosBody
                                              cf bpDef bpOff oosTeam
            OOSGame  oosGameTime
                      oosGameScore
                      oosGameState
                      oosAttacker
                      _
                      -> renderGame param screen oosGameTime oosGameScore oosGameState
                                    oosAttacker cfb (fonts ! 4) whistleWav

    where sorted = sortWith (point3Z . oosPos) oos

render param oos (screen, pitch, fonts, balls, tockWav, kickWav, whistleWav) = do
--    putStrLn $ "Anzahl: " ++ show (length oos)
    SDL.blitSurface pitch Nothing screen Nothing
    renderObjects param oos (screen, pitch, fonts, balls, tockWav, kickWav, whistleWav)
    SDL.flip screen


renderStartMsg (screen,_, fonts,_,_,_,_)  =
  do
    let font    = fonts ! 4
    let color = colorFromPixel $ rgbColor 255 255 1

    fontSurface <- TTF.renderTextSolid font ("PRESS <SPACE> TO START") color

    SDL.blitSurface fontSurface Nothing screen (Just $ Rect 250 400 100 100)
    SDL.flip screen

renderEndMsg (screen,_, fonts,_,_,_,whistle)  =
  do
    let font    = fonts ! 4
    let color = colorFromPixel $ rgbColor 255 255 1

    fontSurface <- TTF.renderTextSolid font ("GAME OVER, TRY AGAIN (Y/N)") color
    playChannel (1) whistle 0

    SDL.blitSurface fontSurface Nothing screen (Just $ Rect 200 400 100 100)
    SDL.flip screen