# draw.ludic — the Render system (overworld, battle, and overlay screens).

handler Draw(games_chronorift_st: GamesChronoriftState) phase Render {
  let m = games_chronorift_st.game_mode
  Screen.clear(0x101018)

  if m == 0 {
    var cx = 0
    var cy = 0
    for (p) in query [Pos, {Player}] {
      cx = clamp(p.x * 16 - 152, 0, MW * 16 - 320)
      cy = clamp(p.y * 16 - 112, 0, MH * 16 - 240)
    }
    let tx0 = cx / 16
    let ty0 = cy / 16
    for ty in ty0 .. ty0 + 16 {
      for tx in tx0 .. tx0 + 21 {
        let c = Map.tile(tx, ty)
        let sx = tx * 16 - cx
        let sy = ty * 16 - cy
        var base = SPR_GRASS
        match c {
          'r' => base = SPR_PATH
          ',', 'S', 'B' => base = SPR_FLOOR
          '=' => base = SPR_WALL
        }
        Screen.sprite(base, sx, sy)
        if c == 'T' { Screen.sprite(SPR_TREE, sx, sy) }
        if c == '#' { Screen.sprite(SPR_TREE, sx, sy) }
        if c == 'H' { Screen.sprite(SPR_HOUSE, sx, sy) }
        if c == 'D' { Screen.sprite(SPR_DOOR, sx, sy) }
        if c == 'S' { Screen.sprite(SPR_DOOR, sx, sy) }
        if c == 'B' {
          if games_chronorift_st.boss_down == 0 { Screen.sprite(SPR_BOSS, sx, sy) }
        }
      }
    }
    for (p, a) in query [Pos, Actor] {
      Screen.sprite(a.kind, p.x * 16 - cx, p.y * 16 - cy)
    }
    for (h, pp) in query [Stats, Party] {
      if pp.slot == 0 {
        Screen.fill_rectangle(4, 4, 96, 38, 0x0c0c16)
        Screen.draw_rectangle(4, 4, 96, 38, 0x3a3a55)
        Screen.draw_text(8, 8, "LV", 0xffe08a, 1)
        Screen.draw_number(24, 8, h.lvl, 0xffffff, 1)
        Screen.draw_text(8, 18, "HP", 0x88ff88, 1)
        Screen.draw_number(24, 18, h.hp, 0xffffff, 1)
        Screen.draw_text(8, 28, "G", 0xffd24a, 1)
        Screen.draw_number(18, 28, games_chronorift_st.gold, 0xffffff, 1)
        Screen.draw_text(54, 28, "PO", 0x88ffcc, 1)
        Screen.draw_number(72, 28, games_chronorift_st.potions, 0xffffff, 1)
      }
    }
  }

  if m == 1 {
    Screen.fill_rectangle(0, 0, 320, 176, 0x241a2e)
    for (e, a) in query [Stats, Actor, {Enemy}] {
      var bs = 5
      if games_chronorift_st.enemy_type == 2 { bs = 7 }
      Screen.sprite_scaled(a.kind, 160 - bs * 8, 44, bs)
      Screen.draw_text(100, 20, enemy_name(games_chronorift_st.enemy_type), 0xffffff, 1)
      Screen.fill_rectangle(100, 30, 120, 8, 0x401018)
      Screen.fill_rectangle(100, 30, e.hp * 120 / e.maxhp, 8, 0xe04040)
    }
    let ph = games_chronorift_st.turn_phase
    var act = 0
    if ph >= 2 { act = 1 }
    if ph >= 4 { act = 2 }
    Screen.fill_rectangle(0, 176, 320, 64, 0x0c0c16)
    Screen.draw_rectangle(0, 176, 320, 64, 0x3a3a55)
    for (st, pt) in query [Stats, Party] {
      let hx = 6 + pt.slot * 92
      var spr = 5
      if pt.slot == 1 { spr = 9 }
      if pt.slot == act { Screen.draw_rectangle(hx - 2, 180, 88, 44, 0xffff00) }
      Screen.sprite_scaled(spr, hx, 184, 2)
      if pt.slot == 0 { Screen.draw_text(hx + 36, 182, "KNIGHT", 0xffe08a, 1) }
      if pt.slot == 1 { Screen.draw_text(hx + 36, 182, "MAGE", 0xc9a0ff, 1) }
      Screen.draw_text(hx + 36, 195, "HP", 0x88ff88, 1)
      Screen.draw_number(hx + 56, 195, st.hp, 0xffffff, 1)
      Screen.draw_text(hx + 36, 207, "MP", 0x88aaff, 1)
      Screen.draw_number(hx + 56, 207, st.mp, 0xffffff, 1)
    }
    let cur = games_chronorift_st.menu_cursor
    if ph == 0 or ph == 1 {
      Screen.draw_text(206, 181, "P1 KNIGHT", 0xffe08a, 1)
      Screen.draw_text(214, 192, "ATTACK", 0xffffff, 1)
      Screen.draw_text(214, 203, "DEFEND", 0xffffff, 1)
      Screen.draw_text(214, 214, "ITEM", 0xffffff, 1)
      Screen.draw_text(256, 214, "x", 0x777777, 1)
      Screen.draw_number(264, 214, games_chronorift_st.potions, 0xffd24a, 1)
      Screen.draw_text(214, 225, "RUN", 0xffffff, 1)
      if ph == 0 { Screen.draw_text(204, 192 + cur * 11, ">", 0xffff00, 1) }
    }
    if ph == 2 or ph == 3 {
      Screen.draw_text(206, 182, "P2 MAGE", 0xc9a0ff, 1)
      Screen.draw_text(214, 196, "ATTACK", 0xffffff, 1)
      Screen.draw_text(214, 208, "HEAL", 0xffffff, 1)
      Screen.draw_text(214, 220, "DEFEND", 0xffffff, 1)
      if ph == 2 { Screen.draw_text(204, 196 + cur * 12, ">", 0xffff00, 1) }
    }
    if ph == 4 { Screen.draw_text(206, 200, "ENEMY TURN", 0xff8888, 1) }
    if ph == 1 or ph == 3 {
      Screen.draw_text(6, 232, "DMG", 0xffff88, 1)
      Screen.draw_number(34, 232, games_chronorift_st.player_hit, 0xffffff, 1)
    }
    if ph == 4 {
      Screen.draw_text(6, 232, "FOE HITS", 0xff8888, 1)
      Screen.draw_number(66, 232, games_chronorift_st.enemy_hit, 0xffffff, 1)
    }
  }

  if m == 2 {
    Screen.draw_text(112, 104, "YOU FELL", 0xff5555, 2)
    Screen.draw_text(84, 140, "PRESS ANY KEY", 0xffffff, 1)
  }
  if m == 3 {
    Screen.draw_text(60, 96, "THE RIFT IS SEALED", 0x88ffcc, 2)
    Screen.draw_text(96, 132, "VICTORY!", 0xffe060, 3)
    Screen.draw_text(84, 170, "PRESS ANY KEY", 0xffffff, 1)
  }
  if m == 4 {
    Screen.fill_rectangle(60, 60, 200, 120, 0x141422)
    Screen.draw_rectangle(60, 60, 200, 120, 0x6a6a95)
    Screen.draw_text(96, 72, "ITEM SHOP", 0xffe060, 2)
    Screen.draw_text(80, 104, "BUY POTION", 0xffffff, 1)
    Screen.draw_text(180, 104, "10 G", 0xffd24a, 1)
    Screen.draw_text(80, 122, "LEAVE", 0xffffff, 1)
    Screen.draw_text(70, 104 + games_chronorift_st.menu_cursor * 18, ">", 0xffff00, 1)
    Screen.draw_text(80, 150, "GOLD", 0xffd24a, 1)
    Screen.draw_number(120, 150, games_chronorift_st.gold, 0xffffff, 1)
    Screen.draw_text(160, 150, "POTIONS", 0x88ffcc, 1)
    Screen.draw_number(226, 150, games_chronorift_st.potions, 0xffffff, 1)
  }
  Screen.show()
}