//#resource "vcs-ca65.h"

import "vcslib.ecs"
import "sprites.ecs"
import "score.ecs"
import "sound.ecs"
import "velocity.ecs"
import "kernel2.ecs"
import "random.ecs"
import "versatile.ecs"
import "music.ecs"

// TODO: not yet used
component Activity
  activity: enum [Standing,Walking,Jumping]
end

component Enemy
end

component Gravity
end

component Jumper
end

system MoveJoyVel
    // dampen velocity
    on frame8 do with [HasXpos]
---
    lda {{<xvel}}
    lsr
    clc
    adc #4
    sta {{<xvel}}
---
    // move left and right
    on joyleft do with [HasXpos]
---
    lda {{<xvel}}
    sec
    sbc #1
    cmp #2
    bcc @nomove
    sta {{<xvel}}
@nomove:
---
    on joyright do with [HasXpos]
---
    lda {{<xvel}}
    clc
    adc #1
    cmp #14
    bcs @nomove
    sta {{<xvel}}
@nomove:
---
end

system Gravity
  on frame8 do foreach [Gravity]
  ---
  lda {{get bitmap}}
  cmp #{{&DudeStanding1}}-{{&Blank}}+1
  bcc @skip
  lda {{<yvel}}
  cmp #14
  bcs @nofall
  clc
  adc #2
  bne @done
@nofall:
  lda #15
@done:
  sta {{<yvel}}
@skip:
  ---
  on xmoved do with [TinyVelY]
  ---
  lda {{<yvel}}
  cmp #7
  bcc @nodown
  {{!checkplatform}}
@nodown:
  ---
  on ymoved do with [TinyVelY]
  ---
  lda {{<yvel}}
  cmp #7
  bcc @nodown
  {{!checkplatform}}
@nodown:
  ---
  on joybutton do with [Player]
  ---
  ; TODO
  lda {{get bitmap}}
  cmp #{{&DudeStanding1}}-{{&Blank}}+1
  bcs @nojump
  lda #0
  sta {{get yvel}}
  lda #{{&DudeJumping1}}-{{&Blank}}
  sta {{set bitmap}}
  {{!playsound 0 1 5}}
@nojump:
  ---
end

system PlatformJumper
  on platformstopped do with [Jumper]
  ---
  lda {{<ypos}}
  and #$fe
  sta {{<ypos}}
  ---
  on platformstopped do if [Player]
  ---
  lda {{<yvel}}
  cmp #8
  beq @skip
  lda #8
  sta {{<yvel}}
  lda #{{&DudeStanding1}}-{{&Blank}}
  sta {{set bitmap}}
  {{!playsound 0 2 5}}
@skip:
  ---
  on platformnotstopped do if [Player]
  ---
  lda #{{&DudeJumping1}}-{{&Blank}}
  sta {{set bitmap}}
  ---
end

resource PFCollideMask ---
 .byte $10,$20,$40,$80			; PF0
 .byte $80,$40,$20,$10,$08,$04,$02,$01  ; PF1
 .byte $01,$02,$04,$08,$10,$20,$40,$80  ; PF2
 .byte $80,$40,$20,$10,$08,$04,$02,$01  ; PF2
 .byte $01,$02,$04,$08,$10,$20,$40,$80  ; PF1
 .byte $80,$40,$20,$10			; PF0
---
resource PFCollideReg ---
 .byte $d,$d,$d,$d
 .byte $e,$e,$e,$e,$e,$e,$e,$e
 .byte $f,$f,$f,$f,$f,$f,$f,$f
 .byte $f,$f,$f,$f,$f,$f,$f,$f
 .byte $e,$e,$e,$e,$e,$e,$e,$e
 .byte $d,$d,$d,$d
---


system EnemyMotion
  on stopped do if [Enemy]
  ---
  lda #5
  sta {{<yvel}}
  ---
  on frame16 do foreach [Enemy]
  ---
  lda {{<xvel}}
  adc {{<Les.xpos}}
  and #15
  sta {{<xvel}}
  ---
end

system EnemyCollider
  on preframe do once
  ---
  sta CXCLR
  ---
  on postframe do once
  ---
  lda CXPPMM
  bpl @nocollide
  {{!enemyspawn}}
@nocollide:
  ---
  on enemyspawn do once
  ---
  {{!nextrand8}}
  and #$e0
  clc
  adc {{get Les.xpos}}
  and #$7f
  clc
  adc #10
  sta {{set Rock.xpos}}
  
  {{!nextrand8}}
  and #$20
  clc
  adc {{get Les.ypos}}
  and #$7f
  clc
  adc #24
  sta {{set Rock.ypos}}
  
  ; TODO:
  ;inc {{set Rock.bitmap}}
  ---
end

system EnemyDifficulty
  locals 1
  on preframe do foreach [Enemy]
  ---
  {{!nextrand8}}
  lsr
  lsr
  cmp {{get PlayerScore.digits}}
  bcs @nomove
; run away from player
  lda {{get xpos}}
  cmp #2
  bcc @nox
  cmp #140
  bcs @nox
  sec
  sbc {{get Les.xpos}}
  bcc @xdec
  inc {{set xpos}}
  inc {{set xpos}}
@xdec:
  dec {{set xpos}}
@nox:
; move Y a bit
  lda {{get ypos}}
  cmp #40
  bcc @nomove
  cmp #170
  bcs @nomove
  sec
  sbc {{get Les.ypos}}
  bcc @ydec
  inc {{set ypos}}
  inc {{set ypos}}
@ydec:
  dec {{set ypos}}
@nomove:
  ---
end

//

scope Main

    using FrameLoop, ResetConsole
    using Kernel2Digit, BCDMath
    using Kernel2Sprite
    using SetXPos, SetHorizPos
    using TinyMover
    using Gravity
    using VersatilePlayfield
    using PlatformJumper

    using FrameCounter
    entity FrameCount [FrameCount]
    end

// TODO: this has to be after FrameCounter
// for velocity damping to work correctly
// but "after" keyword might be better
    using Joystick, JoyButton, MoveJoyVel with [Player]
    
    using EnemyCollider
    using EnemyDifficulty

    entity Level1 [VersatilePlayfield]
  decode vcs_versatile
  ---
.................... .. .. ..
.................... .. .. 01
.................... e8 .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
............xxx..... .. .. ..
.............x...... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.................... .. .. ..
.........xxx........ .. .. ..
..........xx........ .. .. ..
...........x........ .. .. ..
.................... .. .. ..
.................... 18 .. ..
.................... .. .. ..
xxxx................ .. .. ..
xxx................. .. .. ..
xx.................. .. .. ..
x................... .. .. ..
.................... .. .. ..
.................... 28 .. ..
.................... .. .. ..
....xxxxxx.......... .. .. ..
......xxxx.......... .. .. ..
........x........... .. .. ..
.................... .. .. ..
............xxx..... .. .. ..
.............xx..xxx .. .. ..
..............x...xx .. .. ..
..................xx .. .. ..
...................x .. .. ..
...................x .. .. ..
.................... .. .. ..
.................... 38 .. ..
.....xxxx........... .. .. ..
......xxx........... .. .. ..
.......xx........... .. .. ..
........x........... .. .. ..
.................... .. .. ..
.................... 48 .. ..
............xxx..... .. .. ..
.............xx..... .. .. ..
..............x..... .. .. ..
.................... .. .. ..
.................... 58 .. ..
..................xx .. .. ..
.................xxx .. .. ..
................xxxx .. .. ..
..................xx .. .. ..
...................x .. .. ..
.................... .. .. ..
.................... .. 82 ..
.................... .. .. ..
.................... .. 84 ..
.................... .. .. ..
.................... .. 86 ..
.................... .. .. ..
.................... 68 .. ..
............xxxxxx.. .. .. ..
............xxxxxx.. .. .. ..
--- end

    entity Blank [Bitmap,Colormap]
        decode vcs_sprite
        ---
        ........ 00
        ---
    end
    entity DudeStanding1 [Bitmap,Colormap,Activity]
        const activity = Standing
        decode vcs_sprite
        --- 
        ..xxx... f8
        .xxxxx.. f8
        x.xxxx.. f8
        .xxx.x.. f8
        x.xxxxx. f8
        x.xxxx.. f8
        ..xx.... f8
        ..xxxx.. f8
        ...xxx.. f8
        ...xx... f8
        ...xx... f8
        ..xxx... 38
        ..xxx... 48
        .x.xxx.. 58
        x..xxx.. 68
        x..xx.x. 78
        x..xx..x 88
        ...xxx.. 98
        ..xxxx.. 98
        ..x..x.. 98
        ..x..xx. 98
        .xx...x. 98
        .x....x. 98
        .x....x. f8
        xx....xx f8
        ---
    end
    entity DudeJumping1 [Bitmap,Colormap,Activity]
        const activity = Jumping
        const colormapdata = DudeStanding1.colormapdata
        decode vcs_bitmap
        ---
        x.xxx...
        .xxxxx..
        x.xxxx..
        .xxx.x..
        ..xxxxx.
        ..xxxx..
        ..xx....
        ..xxx...
        ...xxx..
        ...xx...
        x..xx...
        x.xxx..x
        x.xxx.x.
        .x.xxx..
        ...xx...
        ...xx...
        ...xx...
        ...xxx..
        ..xxxx..
        .xx..xx.
        .x....x.
        .x....x.
        .x....x.
        .x....x.
        xx....xx
        ---
    end
    
    entity Coin1 [Bitmap,Colormap]
      decode vcs_sprite
        ---
        00001000 ca
        01001001 dc
        00100010 ee
        00000000 0e
        00011110 0e
        00100011 ee
        01000101 ee
        10001001 ee
        11111001 ee
        11101001 ee
        11011001 ee
        11111001 dc
        11111001 ca
        11011010 ca
        10111100 ca
        01111000 ca
        ---
    end
    entity Coin2 [Bitmap,Colormap]
      decode vcs_sprite
        ---
        ..xxxx.. ca
        .xxxxxx. dc
        xxxxxxxx ee
        x..xx..x 0e
        xx.xx.xx 0e
        xxxxxxxx ee
        xxxxxxxx ee
        .xx..xx. ee
        .xxxxxx. ee
        .xx..xx. ee
        ..xxxx.. dc
        ...xx... ca
        ........ ca
        ---
    end

  entity Empty [Sprite,HasBitmap,HasColormap]
    const bitmap = #Blank
    const colormap = #Blank
  end

  entity Les [Sprite,HasBitmap,HasColormap,HasXpos,HasYpos,TinyVelX,TinyVelY,Player,Jumper,Gravity]
    var xpos = 73
    var ypos = 90
    var bitmap = #DudeJumping1
    const colormap = #DudeStanding1
    var plyrflags = $00
    var xvel = 8
    var yvel = 7
  end

  entity Rock [Sprite,HasBitmap,HasColormap,HasXpos,HasYpos,Enemy]
    var bitmap = #Coin1
    const colormap = #Coin1
    var xpos = 73
    var ypos = 140
  end

  entity PlayerScore [BCDScore2]
    var scorecolor = $ca
  end
  entity TimerScore [BCDScore2]
    var scorecolor = $0e
    var digits = $00
  end

  entity Kernel [KernelSection, BGColor]
    const lines = 174
    var bgcolor = $80
  end

  entity Slot0 [SpriteSlot]
    var sprite = #Les
  end
  entity Slot1 [SpriteSlot]
    var sprite = #Rock
  end

  // SOUNDS

  using SoundEngine

  entity SFXNull [SoundEffect]
    const duration = 0
    const sounddata = [0]
  end
  entity SFXJump [SoundEffect]
    const duration = 14
    const sounddata = [
    $81,$83,$85,
    $10,$11,$12,$13,$14,$15,$16,$17,$18,$19,
    $a8]
  end
  entity SFXBounce [SoundEffect]
    const duration = 10
    const sounddata = [
    $02,$03,$04,$08,$10,$20,$40,$20,$10,
    $a4]
  end
  entity SFXScore [SoundEffect]
    const duration = 11
    const sounddata = [
    $02,$03,$04,$08,$10,$20,$10,$20,$10,$08,
    $a2]
  end
  entity SFXScore2 [SoundEffect]
    const duration = 11
    const sounddata = [
    $02,$03,$04,$08,$10,$20,$10,$20,$10,$08,
    $a8]
  end

  // TODO: make sfx have priority over music?
  entity SFX1 [SoundChannel] end
  entity SFX2 [SoundChannel] end
  
  // MUSIC

  using MusicPlayer
  entity MusicPlayer [MusicPlayer]
    const volume = 10
    const tempo = 31
  end
  entity Music1 [MusicChannel] end
  entity Music2 [MusicChannel] end

  //
  
  using Random
  system GameManager
    // start the game? set timer to 99
    on joybutton do select [#TimerScore]
    ---
    lda {{<digits}}
    bne @skip
    lda #$99
    sta {{<digits}}
@skip:
    ---
    // decrease the timer every 16 frames
    on frame16 do foreach [#TimerScore]
    ---
    lda {{<digits}}
    beq @done
    {{!SubBCD2 1}}
    lda {{<digits}}
    bne @done
    {{!timerexpired}}
@done:
    ---
    // add score for each new spawn
    on enemyspawn do begin
      foreach [#PlayerScore]
      ---
      {{!AddBCD2 1}}
      {{!playsound 1 3 10}}
      ---
      // add timer for each new spawn
      foreach [#TimerScore]
      ---
      {{!AddBCD2 10}}
      ---
    end
    // subtract one when player wraps around vertically
    on ymoved do begin
      ---
      lda {{<yvel}}
      cmp #7
      bcc @nowrap
      lda {{<ypos}}
      cmp #2
      bcs @nowrap
      {{!playerwrapped}}
      inc {{set ypos}}
@nowrap:
      ---
    end
    // TODO: doesn't work yet
    on playerwrapped do with [#PlayerScore]
    ---
    {{!SubBCD2 1}}
    ---
    // each frame, game is either running or stopped
    on preframe do once
    ---
    lda {{<TimerScore.digits}}
    bne @gameon
    {{!gamestopped}}
    jmp @done
@gameon:
    {{!gamerunning}}
@done:
    ---
    // stop everything when game is stopped
    // TODO: if "Sprite" it overwrites array elements
    on gamestopped do foreach [TinyVelX,TinyVelY]
//    on gamestopped do foreach [Sprite]
    ---
    lda #8
    sta {{set xvel}}
    sta {{set yvel}}
    ---
    // set colors when game is stopped
    on gamestopped do once
    ---
    lda #$4c
    sta {{set TimerScore.scorecolor}}
    lda #$02
    sta {{set Kernel.bgcolor}}
    ---
    // set colors when game is running
    on gamerunning do once 
    ---
    lda #$0a
    sta {{set TimerScore.scorecolor}}
    lda #$80
    sta {{set Kernel.bgcolor}}
; blink when timer is close to zero
    lda {{get TimerScore.digits}}
    cmp #$20
    bcs @nocolor
    lda {{get FrameCount:frame}}
    lsr
    lsr
    and #$07
    ora #$40
    sta {{set Kernel.bgcolor}}
@nocolor:
    ---
    // play music when timer expires
    on timerexpired do once
    ---
    ;{{^SampleMusic}}
    {{!playmusic SampleMusic}}
    ---
    on xxx_preframeloop do once
    ---
    ;{{^IntroMusic}}
    {{!playmusic IntroMusic}}
    ---
  end
  
  entity [Random8]
  end
end

// TODO: use byte array too?
resource IntroMusic ---
 .byte $27,$90,$2c,$8f,$2f,$8f,$33,$8f,$38,$8f,$3b,$8f,$20,$23,$88,$3a,$83,$38,$82,$37,$83,$38,$20,$ff
---