ld31-space-diggers/src/game.coffee

app.game =
  start: ->
    for i in [0..20*15-1]
      @map[i] = new Tile(i)
    @map[20*5+10].entity = new Base
    
    @currentHoveredTile = new Tile(-1)
    @currentSelectedTile = null

    window.setInterval @tick, 1000
    @hud.start()

  render: ->
    for tile, i in @map
      y = Math.floor(i/20)
      x = i-(y*20)
      tile.render(x, y)
    @hud.render()

  mousedown: (event)->
    if @isMouseInView event.x/8, event.y/8
      switch event.button
        when 'left'
          tile = posToTile(Math.floor(event.x/8), Math.floor(event.y/8))
          tile.click(event.button)

          @currentSelectedTile.deselect() if @currentSelectedTile
          tile.select()
          @currentSelectedTile = tile
        when 'right'
          @currentSelectedTile.deselect() if @currentSelectedTile
          @currentSelectedTile = null

  mousemove: (event)->
    if @isMouseInView event.x, event.y
      tile = posToTile(Math.floor(event.x/8), Math.floor(event.y/8))

      if tile
        if tile != @currentHoveredTile
          tile.moveIn()
          @currentHoveredTile.moveOut() if @currentHoveredTile
          @currentHoveredTile = tile
    else
      @currentHoveredTile.moveOut() if @currentHoveredTile
      @currentHoveredTile = null

  isMouseInView: (mouseX, mouseY) ->
    if mouseX < app.width and mouseX >= 0 and mouseY < app.height and mouseY >= 0
      return true

    false

  keyup: (event) ->
    switch event.key
      when "m" then @createMiner()
      when "s" then @createSilo()
      when "c" then @cheatah()
      when "space"
        @currentSelectedTile.deselect() if @currentSelectedTile
        @currentSelectedTile = null

  tick: =>
    tile.tick() for tile in app.game.map

  createMiner: ->
    if @currentSelectedTile and !@currentSelectedTile.entity and @checkResource('stardust', 30, true)
      @currentSelectedTile.entity = new Miner

  createSilo: ->
    if @currentSelectedTile and @checkPosition(@currentSelectedTile) and @checkResource('stardust', 20, true)
      @currentSelectedTile.entity = new Silo

  checkResource: (type, amount, drain = false) ->
    if @resources[type] >= amount
      @resources[type] -= amount if drain
      return true
    false

  checkPosition: (tile)->
    return false if tile.entity

    # Check all 4 directions
    [x, y] = posToXY(tile.position)

    # Left
    return true if app.game.map[xyToPos(x-1, y)].entity \
      and app.game.map[xyToPos(x-1, y)].entity.isDockable \
      and x > 0

    # Right
    return true if app.game.map[xyToPos(x+1, y)].entity \
      and app.game.map[xyToPos(x+1, y)].entity.isDockable \
      and x < 19

    # Top
    return true if app.game.map[xyToPos(x, y-1)].entity \
      and app.game.map[xyToPos(x, y-1)].entity.isDockable \
      and y > 0

    # Bottom
    return true if app.game.map[xyToPos(x, y+1)].entity \
      and app.game.map[xyToPos(x, y+1)].entity.isDockable \
      and y < 14

    false

  cheatah: ->
    for type, amount of @resources
      @resources[type] = 100

  map: []
  miners: []
  maxTileAmount: 15

  availableSiloStorage: ->
    space = 0
    for tile in app.game.map
      space += tile.entity.spaceProvided if tile.entity
    space

  usedSiloStorage: ->
    space = 0
    space += amount for resource, amount of @resources
    space

  resources:
    stardust: 0
    dirt: 0
    bedrock: 0
    oxodum: 0
    lubinit: 0
    darkana: 0
    bio: 0
    notch: 0
    lava: 0