//
//  Sequence.m
//  Canabalt
//
//  Copyright Semi Secret Software 2009-2010. All rights reserved.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

#import "Sequence.h"
#import "Player.h"
#import "CraneTrigger.h"
#import "CBlock.h"
#import "Dove.h"
#import "Window.h"
#import "Bomb.h"
#import "Leg.h"
#import "DemoMgr.h"
#import "Obstacle.h"
#import "Gib.h"
#import "Crane.h"
#import "Billboard.h"
#import "Trapezoid.h"
#import "Building.h"
#import "Hall.h"
#import "RepeatBlock.h"
#import "GibEmitter.h"

//#import "SimpleBlock.h"
//#import "WindowBlock.h"

//#import "RenderTexture.h"



// static NSString * ImgAntenna1 = @"antenna.png";
static NSString * ImgAntenna1Left = @"antenna-left.png";
static NSString * ImgAntenna1Right = @"antenna-right.png";
// static NSString * ImgAntenna2 = @"antenna2.png";
static NSString * ImgAntenna2Trimmed = @"antenna2-trimmed.png";
// static NSString * ImgAntenna3 = @"antenna3.png";
static NSString * ImgAntenna3Trimmed = @"antenna3-trimmed.png";
// static NSString * ImgAntenna4 = @"antenna4.png";
static NSString * ImgAntenna4Trimmed = @"antenna4-trimmed.png";
// static NSString * ImgAntenna5 = @"antenna5.png";
static NSString * ImgAntenna5Trimmed = @"antenna5-trimmed.png";
// static NSString * ImgAntenna6 = @"antenna6.png";
static NSString * ImgAntenna6Trimmed = @"antenna6-trimmed.png";

// static NSString * ImgDishes = @"dishes.png";
static NSString * ImgDishesTrimmed = @"dishes-trimmed.png";

static NSString * ImgAC = @"ac-trimmed.png";
static NSString * ImgSkyLight = @"skylight.png";
static NSString * ImgReservoir = @"reservoir-trimmed.png";
//static NSString * ImgPipe1 = @"pipe1.png";
static NSString * ImgPipe1Left = @"pipe1-left.png";
static NSString * ImgPipe1Right = @"pipe1-right.png";
static NSString * ImgPipe2Left = @"pipe2-left.png";
static NSString * ImgPipe2Middle = @"pipe2-middle.png";
static NSString * ImgPipe2Right = @"pipe2-right.png";

static NSString * ImgEscape = @"escape-trimmed-filled.png";

static NSString * ImgAccess = @"access.png";
static NSString * ImgFence = @"fence-trimmed.png";


#define DOVES

static const CGFloat tileSize = 16;
static const CGFloat decSize = 20;
static int nextIndex;
static int nextType;
static int curIndex;

//These are just for helping with the epitaphs
static int lastType;
static int thisType;

@interface Sequence (Private)
- (void) decorateSeqX:(CGFloat)seqX seqY:(CGFloat)seqY seqWidth:(CGFloat)seqWidth;
- (void) setPlayer:(Player *)plr;
- (Player *) player;
- (void) setShardsA:(FlxEmitter *)shardsa;
- (FlxEmitter *)shardsA;
- (void) setShardsB:(FlxEmitter *)shardsb;
- (FlxEmitter *)shardsB;
@end

static Sequence * sequence1 = nil;
static Sequence * sequence2 = nil;
static int sequenceIndex = 0;

static GibEmitter * collapseEmitter = nil;
static GibEmitter * bombAndLegEmitter = nil;
static GibEmitter * aftermathEmitter = nil;

static Crane * crane = nil;
static Hall * hall = nil;
static Billboard * billboard = nil;

@implementation Sequence

@synthesize blocks;

+ (void) setNextIndex:(int)ni { nextIndex = ni; }
+ (void) setNextType:(int)nt; { nextType = nt; }
+ (void) setCurIndex:(int)ci { curIndex = ci; }
+ (int) nextIndex { return nextIndex; }
+ (int) nextType { return nextType; }
+ (int) curIndex { return curIndex; }

//These are just for helping with the epitaphs
+ (void) setLastType:(int)lt { lastType = lt; }
+ (void) setThisType:(int)tt { thisType = tt; }
- (int) lastType { return lastType; }
- (int) thisType { return thisType; }

- (void) setPlayer:(Player *)plr;
{
  [player autorelease];
  player = [plr retain];
}

- (Player *) player;
{
  return player;
}

- (void) setShardsA:(FlxEmitter *)shardsa;
{
  [shardsA autorelease];
  shardsA = [shardsa retain];
}

- (FlxEmitter *)shardsA
{
  return shardsA;
}

- (void) setShardsB:(FlxEmitter *)shardsb;
{
  [shardsB autorelease];
  shardsB = [shardsb retain];
}

- (FlxEmitter *)shardsB
{
  return shardsB;
}

+ (void) initialize
{
  if (self == [Sequence class]) {
    sequence1 = [[Sequence alloc] initWithPlayer:nil shardsA:nil shardsB:nil];
    sequence2 = [[Sequence alloc] initWithPlayer:nil shardsA:nil shardsB:nil];

    GibEmitter * ge;

    int gibCount = 40;
    if (FlxG.iPad) {
      gibCount = 40*3;
    } else {
      if (FlxG.iPhone3G || FlxG.iPhone1G || FlxG.iPodTouch1G)
        gibCount = 20;
      else
        gibCount = 40;
    }
    
    ge = [GibEmitter gibEmitterWithGibCount:gibCount];
    if (FlxG.iPad) {
      ge.delay = 0.02/3;
    } else {
      if (FlxG.iPhone3G || FlxG.iPhone1G || FlxG.iPodTouch1G)
        ge.delay = 0.02*2;
      else
        ge.delay = 0.02;
    }
    ge.minParticleSpeed = CGPointMake(-200,
                                     -120);
    ge.maxParticleSpeed = CGPointMake(200,
                                     0);
    ge.minParticleSpeed = CGPointMake(-200,
                                     -120);
    ge.maxParticleSpeed = CGPointMake(200,
                                     0);
    ge.minRotation = -720;
    ge.maxRotation = 720;
    ge.gravity = 400;
    ge.particleDrag = CGPointMake(0, 0);
    collapseEmitter = [ge retain];

    //bombAndLegEmitter
    if (FlxG.iPhone3G || FlxG.iPhone1G || FlxG.iPodTouch1G) {
      if (FlxG.iPhone3G)
        gibCount = 40/2;
      else
        gibCount = 40/4;
    } else
      gibCount = 40;

    ge = [GibEmitter gibEmitterWithGibCount:gibCount];
    if (FlxG.iPhone3G || FlxG.iPhone1G || FlxG.iPodTouch1G) {
      if (FlxG.iPhone3G)
        ge.delay = -3*2;
      else
        ge.delay = -3*4;
    } else
      ge.delay = -3;

    ge.minParticleSpeed = CGPointMake(-240,
                                     -320);
    ge.maxParticleSpeed = CGPointMake(240,
                                     0);
    ge.minRotation = 0;
    ge.maxRotation = 0;
    //ge.minRotation = -720;
    //ge.maxRotation = 720;
    ge.gravity = 800;
    ge.particleDrag = CGPointMake(0, 0);
    bombAndLegEmitter = [ge retain];

    //aftermath emitter
    if (FlxG.iPad)
      gibCount = 50*3;
    else
      gibCount = 50;
    ge = [GibEmitter gibEmitterWithGibCount:gibCount];
    ge.delay = -10.0;
    ge.minParticleSpeed = CGPointMake(0, -200);
    ge.maxParticleSpeed = CGPointMake(0, 100);
    ge.minRotation = -720;
    ge.maxRotation = 720;
    ge.gravity = 150;
    ge.particleDrag = CGPointMake(0, 0);

    aftermathEmitter = [ge retain];

    //create the crane now, reuse later
    float maxWidth = 1344.0;
    if (FlxG.iPad)
      maxWidth = 1440.0;
    crane = [[Crane alloc] initWithMaxWidth:maxWidth];
    hall = [[Hall alloc] initWithMaxWidth:maxWidth];
    billboard = [[Billboard alloc] initWithMaxWidth:maxWidth];

  }
}

+ (id) sequenceWithPlayer:(Player *)plr shardsA:(FlxEmitter *)shardsa shardsB:(FlxEmitter *)shardsb
{
  //return [[[self alloc] initWithPlayer:plr shardsA:shardsa shardsB:shardsb] autorelease];
  Sequence * ret = nil;
  if (sequenceIndex == 0)
    ret = sequence1;
  else
    ret = sequence2;
  sequenceIndex = ((sequenceIndex+1) % 2);
  ret.player = plr;
  ret.shardsA = shardsa;
  ret.shardsB = shardsb;
  ret.x = 0;
  ret.y = 0;
  ret.width = 0;
  ret.height = 0;
  ret->roof = NO;
  return ret;
}

- (id) initWithPlayer:(Player *)plr shardsA:(FlxEmitter *)shardsa shardsB:(FlxEmitter *)shardsb
{
  thisType = 0;
  lastType = 0;
  if ((self = [super initWithX:0 y:0 width:0 height:0])) {
    player = [plr retain];
    shardsA = [shardsa retain];
    shardsB = [shardsb retain];

    layer = [[FlxGroup alloc] init];
    foregroundLayer = [[FlxGroup alloc] init];
    renderLayer = [[FlxGroup alloc] init];
    backgroundRenderLayer = [[FlxGroup alloc] init];
    layerLeg = [[FlxGroup alloc] init];
 
    blocks = [[FlxGroup alloc] init];

    //create the building now, reuse later
    float maxWidth = 1344.0;
    if (FlxG.iPad)
      maxWidth = 1440.0;
    building = [[Building alloc] initWithMaxWidth:maxWidth];
    
    fence = [[FlxTileblock tileblockWithX:0 y:0 width:0 height:0] retain];
    escape = [[RepeatBlock repeatBlockWithX:0 y:0 width:0 height:0] retain];
    
    roof = NO;

    int deviceScale;
    if(FlxG.iPad)
      deviceScale = 8;
    else if(FlxG.retinaDisplay)
      deviceScale = 6;
    else
      deviceScale = 4;
    doveGroup = [[DoveGroup alloc] initWithDoveCount:((maxWidth/120)*(1+deviceScale))];
  }
  return self;
}

- (void) dealloc
{
  [shardsA release];
  [shardsB release];

  [layer release];
  [foregroundLayer release];
  [renderLayer release];
  [backgroundRenderLayer release];
  [layerLeg release];
  [blocks release];

  [building release];
  [fence release];
  [escape release];

  [doveGroup release];
  
  [super dealloc];
}

- (void) initSequence:(Sequence *)sequence
{
  seq = sequence; //don't retain, otherwise we'll get a loop...
  [self reset];
}

- (void) update
{
  CGPoint p = [self getScreenXY];
  if (p.x + self.width < 0) [self reset];
  if(!passed && (player.x > self.x))
  {
    passed = true;
    lastType = thisType;
    thisType = type;
  }
  [super update];
  [foregroundLayer update];
  [layer update];
  [renderLayer update];
  [backgroundRenderLayer update];
  [layerLeg update];
}

- (void) render
{
  [super render];
  [backgroundRenderLayer render];
  [layer render];
  [renderLayer render];
  [foregroundLayer render];
  [layerLeg render];
}

enum {
  ROOF,
  HALLWAY,
  COLLAPSE,
  BOMB,
  CRANE,
  BILLBOARD,
  LEG
};

- (void) reset
{
  
  [self clear];
  int i;
  int n;
  passed = FALSE;

  int wallType = [FlxU random]*4;//[walls count];
  int windowType = [FlxU random]*4;//[windows count];
  
  type = ROOF;
  int types[] = {HALLWAY, COLLAPSE, BOMB, CRANE, BILLBOARD, LEG};
  if (curIndex == nextIndex) {
    type = types[nextType];
    nextIndex += 3 + [FlxU random] * 5;
    nextType = [FlxU random] * 6;
  }

  
  //type = BOMB;
  //type = BILLBOARD;
  //type = CRANE;
  //type = HALLWAY;
  
  //NSLog(@"curIndex: %d", curIndex);
  
  if (curIndex == 0) {
    self.x = -4*tileSize;
    self.y = 5*tileSize;
    self.width = 60*tileSize;
    self.height = 480-5*tileSize;
    type = HALLWAY;
  } else if (curIndex == 1) {
    self.x = seq.x + seq.width + 10*tileSize;
    self.y = 15*tileSize;
    self.width = 42*tileSize;
    self.height = 480-15*tileSize;
  }

  int hallHeight = 0;
  if (type == HALLWAY) {
    if (player.velocity.x > 640)
      hallHeight = 7;
    else if (player.velocity.x > 480)
      hallHeight = 6;
    else if (player.velocity.x > 320)
      hallHeight = 5;
    else if(curIndex > 0)
      hallHeight = 4;
    else
      hallHeight = 3;
  }

  FlxTileblock * mainBlock;
  CGFloat screenTiles = ceil(FlxG.width/tileSize)+2;
  CGFloat maxGap = ((player.velocity.x*0.75)/decSize)*0.75;
  CGFloat minGap = maxGap * 0.4;
  if(minGap < 4)
    minGap = 4;
  CGFloat fg = [FlxU random];
  CGFloat gap = (CGFloat)((int)(minGap + fg*(maxGap-minGap)));
  CGFloat minW = screenTiles-gap;
  if ((minW < 15) && (player.velocity.x < player.maxVelocity.x*0.8))
    minW = 15;
  else if (minW < 6)
    minW = 6;
  CGFloat maxW = minW*2;
  CGFloat maxJ = seq.y/tileSize-2-hallHeight;
  CGFloat mpj = 6*player.jumpLimit/0.35;
  if (maxJ > mpj) maxJ = mpj;
  if (maxJ > 0) maxJ = ceil(maxJ*(1-fg));
  CGFloat maxDrop = seq.height/tileSize-4;
  if (maxDrop > 10)
    maxDrop = 10;
  if (curIndex > 1) {
    self.x = seq.x + seq.width + gap*tileSize;
    CGFloat drop = (CGFloat)((int)([FlxU random]*maxDrop-maxJ));
    if (type == HALLWAY && gap > 10) drop = 0;
    if (drop == 0)
      drop--;
    self.y = seq.y + drop*tileSize;
    self.height = 480-self.y;
    self.width = floor(minW+[FlxU random]*maxW)*tileSize;
  }

  // 1 - If collapsing is likely going to kill the player, just don't do it
  // 2 - Only bomb roofs that are pretty wide
  // 3 - Don't put cranes right on the very bottom, that's dumb
  
  if ((type == COLLAPSE && self.width/self.height > player.velocity.x*0.015) ||
      (type == BOMB && self.width < player.velocity.x * 1.5) ||
      (type == CRANE && (self.height < tileSize*2 || self.width < tileSize*24)) ||
      (type == LEG && self.width > tileSize*28) ){
    type = ROOF;
    nextIndex = curIndex+1;
  }

  //Make sure crane and billboard and leg are on the right offset
  if (type == LEG) {
    // the main collision block for this sequence
    int legWidth = 120;
    mainBlock = [FlxTileblock tileblockWithX:self.x + (self.width - legWidth)/2 y:seq.y + 3 width:legWidth+20 height:480];
    //[mBlocks addObject:mainBlock];
    [blocks add:mainBlock];
    [layer add:mainBlock];
  }
  else if ((type == CRANE) || (type == BILLBOARD)) {
    self.width = (ceil(self.width/(tileSize*2)))*tileSize*2;
    
    //Tweak the size of the billboard
    if(type == BILLBOARD)
    {
      hallHeight = (3+(int)([FlxU random]*5))*tileSize*2;
      if(self.width > hallHeight*2)
      {
        int diff = self.width - hallHeight*2;
        if(diff > 4*tileSize)
          self.x += 4*tileSize;
        else
          self.x += (self.width - hallHeight*2);
        self.width = hallHeight*2;
      }
    }
    
    // the main collision block for this sequence
    mainBlock = [FlxTileblock tileblockWithX:self.x y:self.y width:self.width+10 height:2*tileSize];
    //[mBlocks addObject:mainBlock];
    [blocks add:mainBlock];
    [layer add:mainBlock];
  }
  else {
    // the main collision block for this sequence
    mainBlock = [FlxTileblock tileblockWithX:self.x y:self.y width:self.width+10 height:self.height+2*tileSize];
    //[mBlocks addObject:mainBlock];
    [blocks add:mainBlock];
    [layer add:mainBlock];
  }

  //put decorations on roof
  Bomb * b;
  Leg * l;
  //FlxEmitter * f;
//   CGFloat ah = 160;
  if (type == ROOF || type == COLLAPSE || type == BOMB || type == LEG) {
//     if (self.y > seq.y) {
//       FlxSprite * a = [FlxSprite spriteWithGraphic:[antennas randomObject]];
//       a.x = self.x+tileSize;
//       a.y = self.y-ah;
//     }
    
    CGFloat rt = [FlxU random];
    int rw;
    int rh;
    if (rt < 0.2)
      [self decorateSeqX:self.x seqY:self.y seqWidth:self.width];
    else if (rt < 0.6) {
      //BLOCK ROOF
      int indent = 2 + [FlxU random]*((self.width/decSize)/4);
      rw = self.width/decSize - indent*2;
      rh = 1 + [FlxU random]*4;
      if (rh > 2) {
	FlxSprite * b;
	b = [[FlxSprite alloc] initWithX:self.x+indent*decSize y:self.y-rh*decSize graphic:nil];
	[b createGraphicWithWidth:rw*decSize height:(rh-1)*decSize color:0x4d4d59];
	b.enableBlend = NO;
	[backgroundRenderLayer add:b];
	[b release];
	b = [[FlxSprite alloc] initWithX:self.x+(indent+1)*decSize y:self.y-decSize graphic:nil];
	[b createGraphicWithWidth:(rw-2)*decSize height:decSize color:0x4d4d59];
	b.enableBlend = NO;
	[backgroundRenderLayer add:b];
	[b release];
      } else {
	FlxSprite * b;
	b = [[FlxSprite alloc] initWithX:self.x+indent*decSize y:self.y-rh*decSize graphic:nil];
	[b createGraphicWithWidth:rw*decSize height:rh*decSize color:0x4d4d59];
	b.enableBlend = NO;
	[backgroundRenderLayer add:b];
	[b release];
      }
      [self decorateSeqX:self.x+indent*decSize seqY:self.y-rh*decSize seqWidth:rw*decSize];
    } else {
      //SLOPE ROOF
      rh = 1 + [FlxU random]*5;
      if (self.width < 12*tileSize) rh = 1;
      Trapezoid * t;
      t = [[Trapezoid alloc] initWithX:self.x+tileSize y:self.y-rh*tileSize graphic:nil];
      [t createGraphicWithWidth:self.width-2*tileSize height:tileSize*rh color:0x4d4d59];
      t.enableBlend = NO;
      [backgroundRenderLayer add:t];
      [t release];
      [self decorateSeqX:self.x+rh*tileSize seqY:self.y-rh*tileSize seqWidth:self.width-2*(rh+1)*tileSize];
    }

    //Fire escapes
    if ([FlxU random] < 0.5) {
      escape.x = self.x+self.width;
      escape.y = self.y+tileSize;
      escape.width = tileSize;
      escape.height = self.height;
      [escape loadGraphic:ImgEscape];
      escape.enableBlend = NO;
      [renderLayer add:escape];
    }
    
    if (type == BOMB) {
      NSMutableArray * entry = [NSMutableArray array];
      for (i = 0; i < 6; ++i) {
	Gib * g = [Gib gib];
	[entry addObject:g];
      }
      b = [Bomb bombWithOrigin:CGPointMake(self.x+self.width/2, self.y)
		player:player
 		gibs:entry
 		sequence:self];
      [layer add:b];
      for (FlxSprite * fs in entry)
	[layer add:fs];
    }
    else if (type == LEG) {
      l = [Leg legWithOrigin:CGPointMake(self.x+self.width/2, seq.y)
                        player:player
                      sequence:self];
      [layerLeg add:l];
    }

  }

  //add graphics for the wall and roof
  if (type == CRANE) {
    [crane createWithX:self.x y:self.y width:self.width height:self.height player:player];
    [layer add:crane.trigger];
    [renderLayer add:crane];
  } else if (type == BILLBOARD) {
    
    [billboard createWithX:self.x y:self.y width:self.width height:self.height tileSize:tileSize hallHeight:hallHeight];
    [renderLayer add:billboard];
    
  } else {
    [building createWithX:self.x y:self.y width:self.width height:self.height
	      tileSize:tileSize
	      buildingType:type wallType:wallType windowType:windowType];
    [renderLayer add:building];
  }


  
  if (type != HALLWAY) {
    //Doves!
    if ([FlxU random] < 0.35) {
      //max width is 60*tileSize (60*16 = 960)
      //max n is (960/120)*(8) => 64
      int deviceScale;
      if(FlxG.iPad)
        deviceScale = 8;
      else if(FlxG.retinaDisplay)
        deviceScale = 6;
      else
        deviceScale = 4;
      n = (self.width/120)*(1+[FlxU random]*deviceScale);
#ifdef DOVES        
      int doveHeight = self.y - 10;
      if (type == BILLBOARD)
        doveHeight -= hallHeight;
      for (i = 0; i < n; ++i) {
        Dove * dove = [doveGroup.members objectAtIndex:i];
        dove.x = self.x + ([FlxU random]*(self.width-10));
        dove.y = doveHeight;
        dove.acceleration = CGPointZero;
        dove.velocity = CGPointZero;
        dove.player = player;
        dove.trigger = self.x;
        dove.visible = YES;
        dove.exists = YES;
        dove.active = YES;
        [dove play:@"idle"];
        [foregroundLayer add:dove];
      }
      doveGroup.visibleDoves = n;
      [foregroundLayer add:doveGroup];
//  	[foregroundLayer add:[Dove doveWithOrigin:CGPointMake(self.x+([FlxU random]*(self.width-10)), doveHeight)
// 				   player:player
// 				   trigger:self.x]];
#endif
    }
  }
  
  if (type == BOMB) {
    bombAndLegEmitter.x = self.x+self.width/2 - tileSize*2;
    bombAndLegEmitter.y = self.y;
    bombAndLegEmitter.width = tileSize*4;
    bombAndLegEmitter.height = 0;
    bombAndLegEmitter.minRotation = 0;
    bombAndLegEmitter.maxRotation = 0;
    [bombAndLegEmitter kill];
    [b add:bombAndLegEmitter];
    [foregroundLayer add:bombAndLegEmitter];
  }
  else if(type == LEG) {
    bombAndLegEmitter.x = self.x+50;
    bombAndLegEmitter.y = self.y;
    bombAndLegEmitter.width = self.width-100;
    bombAndLegEmitter.height = self.height;
    bombAndLegEmitter.minRotation = -720;
    bombAndLegEmitter.maxRotation = 720;

    [bombAndLegEmitter kill];
    [l add:bombAndLegEmitter];
    [layerLeg add:bombAndLegEmitter];
  }
  else if (type == COLLAPSE) {

    DemoMgr * dm = [DemoMgr demoMgrWithX:self.x player:player children:layer.members];
    //need to add in renderLayer members also?
    for (FlxObject * o in renderLayer.members)
      [dm add:o];
    //are doves added to this?
    for (FlxObject * o in backgroundRenderLayer.members)
      [dm add:o];

    collapseEmitter.x = self.x;
    collapseEmitter.y = self.y;
    collapseEmitter.width = self.width;
    if (FlxG.iPhone3G || FlxG.iPhone1G || FlxG.iPodTouch1G)
      collapseEmitter.height = 40;
    else
      collapseEmitter.height = self.height;
    //reset the emitter
    [collapseEmitter kill];
    
    [foregroundLayer add:collapseEmitter];
    [dm add:collapseEmitter];
    
    [layer add:dm];
  } else if (type == ROOF && curIndex > 1) {
    //normal rooftops should sometimes get some obstacles if you're not going too fast
    for (i = 0; i < 3; ++i)
      if ([FlxU random] < 0.15)
	[foregroundLayer add:[Obstacle obstacleWithOrigin:CGPointMake(self.x+self.width/8+[FlxU random]*(self.width/2), self.y)
				       player:player
				       alt:YES]];
  }

  //Hallways get a lot of special treatment - special obstacles, doors, windows, etc
  if (type == HALLWAY) {
    hallHeight *= tileSize;
    //[mBlocks addObject:[FlxTileblock tileblockWithX:self.x y:-128 width:self.width height:self.y-hallHeight+128]];
    [blocks add:[FlxTileblock tileblockWithX:self.x y:-128 width:self.width height:self.y-hallHeight+128]];

    [hall createWithX:self.x y:self.y width:self.width height:self.height
	  tileSize:tileSize hallHeight:hallHeight wallType:wallType windowType:windowType];
    [renderLayer add:hall];

    [foregroundLayer add:[Window windowAtPoint:CGPointMake(self.x+self.width-WindowW-1, self.y)
                                        height:hallHeight
                                         group:foregroundLayer
                                        player:player
                                        shards:shardsA]];
    [foregroundLayer add:[Window windowAtPoint:CGPointMake(self.x+1,self.y)
                                        height:hallHeight
                                         group:foregroundLayer
                                        player:player
                                        shards:shardsB]];
    
    if (curIndex == 0) {
      //put a couple of obstacles in the launch hallway
      [foregroundLayer add:[Obstacle obstacleWithOrigin:CGPointMake(32*tileSize,self.y) player:player]];
      [foregroundLayer add:[Obstacle obstacleWithOrigin:CGPointMake(48*tileSize,self.y) player:player]];
    } else {
      //throw in a few obstacles here and there
      for (i = 0; i < 3; ++i)
	if ([FlxU random] < 0.65)
	  [foregroundLayer add:[Obstacle obstacleWithOrigin:CGPointMake(self.x+self.width/8+[FlxU random]*(self.width/2),self.y) player:player]];
    }
  }

  //Estimate out basic sequence changes due to the collapsing building's height change
  if (type == COLLAPSE) {
    int cd = (self.width/tileSize)*0.5;
    if (cd > self.height/tileSize-1)
      cd = self.height/tileSize-1;
    self.height -= cd*tileSize;
    self.y += cd*tileSize;
  }

  curIndex++;


//   //how big is render layer?
//   float minX = FLT_MAX;
//   float minY = FLT_MAX;
//   float maxX = FLT_MIN;
//   float maxY = FLT_MIN;

//   for (FlxObject * ro in renderLayer.members) {
//     if (ro.x < minX)
//       minX = ro.x;
//     if (ro.y < minY)
//       minY = ro.y;
//     if (ro.x+ro.width > maxX)
//       maxX = ro.x + ro.width;
//     if (ro.y+ro.height > maxY)
//       maxY = ro.y+ro.height;
//   }

//   fprintf(stderr, "\n\n\n");
//   NSLog(@"renderLayer rect: (%f,%f,%f,%f)", minX, minY, maxX-minX, maxY-minY);
//   fprintf(stderr, "\n\n\n");

//   [renderTexture prerenderToTexture:renderLayer];
//   [backgroundRenderTexture prerenderToTexture:backgroundRenderLayer];

  
}

- (void) decorateSeqX:(CGFloat)seqX seqY:(CGFloat)seqY seqWidth:(CGFloat)seqWidth
{
  int i;
  int n;
  int s;

  s = 40;
  n = seqWidth/s;
  for (i = 0; i < n; ++i)
    if ([FlxU random] < 0.3)
      [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i y:seqY-decSize graphic:ImgAC]];
  
  int ah = 160;

  if ([FlxU random] < 0.5) {
    //pipes roof
    s = 120;
    n = (seqWidth-100) / s; //subtract 100 so that it doesn't go off the edge
    for (i = 0; i < n; ++i)
      if ([FlxU random] < 0.35) {
	//add 3 parts of the pipe...
	[backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s+i y:seqY-decSize graphic:ImgPipe1Left]];
	[backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s+i+100-12 y:seqY-decSize graphic:ImgPipe1Right]];
	FlxSprite * pipe = [FlxSprite spriteWithX:seqX+decSize+s+i+13 y:seqY-decSize graphic:nil];
	[pipe createGraphicWithWidth:100-12-13 height:8 color:0x4d4d59];
	[backgroundRenderLayer add:pipe];
	//[backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i y:seqY-decSize graphic:ImgPipe1]];
      }
    s = 80;
    n = (seqWidth-40) / s; // subtract 40 so that it doesn't hang over the edge
    for (i = 0; i < n; ++i)
      if ([FlxU random] < 0.35) {
	[backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i+2 y:seqY-decSize*2+5 graphic:ImgPipe2Left]];
	[backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i+2+15 y:seqY-decSize*2+4 graphic:ImgPipe2Middle]];
	[backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i+2+15+10 y:seqY-decSize*2+5 graphic:ImgPipe2Right]];
      }
    
    if ([FlxU random] < 0.5) {
      s = 40;
      n = (seqWidth-32)/s;
      for (i = 0; i < n; ++i)
	if ([FlxU random] < 0.3) {
	  switch ((int)([FlxU random]*7)) {
	  case 0:
	    [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i y:seqY-ah graphic:ImgAntenna1Left]];
	    [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i+18 y:seqY-ah+160-19 graphic:ImgAntenna1Right]];
	    break;
	  case 1:
	    [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i+3 y:seqY-ah graphic:ImgAntenna2Trimmed]];
	    break;
	  case 2:
	    [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i y:seqY-ah graphic:ImgAntenna3Trimmed]];
	    break;
	  case 3:
	    [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i y:seqY-ah+40 graphic:ImgAntenna4Trimmed]];
	    break;
	  case 4:
	    [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i+(40-16)/2 y:seqY-ah+40 graphic:ImgAntenna5Trimmed]];
	    break;
	  case 5:
	    [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i+6 y:seqY-ah+4 graphic:ImgAntenna6Trimmed]];
	    break;
	  case 6:
	    [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i+1 y:seqY-ah graphic:ImgDishesTrimmed]];
	    break;
	  }				  
	}
    }
  } else {
      //Skylights, roof access + reservoirs
      s = 140;
      n = seqWidth / s;
      for(i = 0; i < n; ++i)
	if([FlxU random] < 0.5)
	  [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i y:seqY-decSize+1 graphic:ImgSkyLight]];
      s = 200;
      n = seqWidth / s;
      for(i = 0; i < n; ++i)
	if([FlxU random] < 0.25)
	  [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i y:seqY-30 graphic:ImgAccess]];
      s = 200;
      n = seqWidth / s;
      for(i = 0; i < n; ++i)
	if([FlxU random] < 0.5)
	  [backgroundRenderLayer add:[FlxSprite spriteWithX:seqX+decSize+s*i+2 y:seqY-decSize*6 graphic:ImgReservoir]];
    }
  
  if([FlxU random] < 0.4) {
    //Add chainlink fences
    n = seqWidth/(tileSize*2)-2;
    fence.x = seqX+tileSize*2;
    fence.y = seqY-tileSize*2+(32-19);
    fence.width = n*tileSize*2;
    fence.height = tileSize*2;
    [fence loadGraphic:ImgFence];
    [backgroundRenderLayer add:fence];
  }
}

- (int) getType
{
  return type;
}

- (void) clear
{
  [layer.members removeAllObjects];
  [foregroundLayer.members removeAllObjects];
  [renderLayer.members removeAllObjects];
  [backgroundRenderLayer.members removeAllObjects];
  [layerLeg.members removeAllObjects];
  [blocks.members removeAllObjects];
}

- (void) aftermath
{
  [[FlxG flash] startWithParam1:0xffffffff param2:4];
  [self clear];

  aftermathEmitter.x = self.x + self.width/2;
  aftermathEmitter.y = -FlxG.height;
  aftermathEmitter.width = FlxG.width;
  aftermathEmitter.height = FlxG.height;
  //reset it
  [aftermathEmitter kill];

  [layer add:aftermathEmitter];
  [aftermathEmitter start];
}

- (void) stomp
{
  [layer destroy];
  [foregroundLayer destroy];
  //what about render layer?
  [renderLayer destroy];
  [backgroundRenderLayer destroy];
}

// - (NSArray *) blocks {
//   return (NSArray *)mBlocks;
// }

@end