import pygame
from util import config
from constants import ORIGIN
from util import timer

class Video:
	def __init__(self):
		self.screen = pygame.display.set_mode( config.get('windim'))
		pygame.display.set_caption(config.get('wincaption'))
		self.game = None
		self.msPerFrame = 25 # milliseconds per frame
		self.delta = 0

	def imbue(self,game):
		'' pass in the game object to be used ''
		self.game = game
		
	def update(self):
		# set fps; don't redraw more than necessary
		self.delta += timer.delta
		if self.delta >= self.msPerFrame:
			self.delta -= self.msPerFrame
			if self.game:
				# draw gui panels
				self.screen.blit( self.game.getRender() , ORIGIN )
			# then update the big display
			pygame.display.update()

# timer
import pygame.time

class Timer:
	'' maintain timescale ''
	def __init__(self):
		self.delta   = 0 # amount of time passed since last frame
		self.elapsed = 0 # amount of time passed since beginning of game
		self.clock = pygame.time.Clock()
	def reset(self):
		self.update()
                self.delta = 0
		self.elapsed = 0
	def update(self):
		delta = self.clock.tick() # in milliseconds!
		self.elapsed += delta
		self.delta = delta
		
timer = Timer()

topminibar
 type:"panel"
 rect:(0,0,150,50)
 style:"greenTrim"
menubutton
 type:"button"
 rect:(3,3,48,22)
 icon:"Menu"fixedsys8x16"
 style:"greenButton"
 color:"lightcopper"
 target:"game"
 command:"switchstate"
 value:"menu"
foo1button
 type:"button"
 rect:(51,3,48,22)
 icon:"Load"fixedsys8x16"
 style:"greenButton"
 color:"lightcopper"
 target:"game"
 command:"exitgame"
 value:(0)
foo2button
 type:"button"
 rect:(99,3,48,22)
 icon:"Save"fixedsys8x16"
 style:"greenButton"
 color:"lightcopper"
 target:"game"
 command:"exitgame"
 value:(0)
editbutton
 type:"button"
 rect:(3,25,48,22)
 icon:"Edit"fixedsys8x16"
 style:"greenButton"
 color:"lightcopper"
 target:"game"
 command:"switchstate"
 value:"edit"
foo4button
 type:"button"
 rect:(51,25,48,22)
 icon:"????"fixedsys8x16"
 style:"greenButton"
 color:"lightcopper"
 target:"game"
 command:"exitgame"
 value:(0)
exitbutton
 type:"button"
 rect:(99,25,48,22)
 icon:"Exit"fixedsys8x16"
 style:"greenButton"
 color:"lightcopper"
 target:"game"
 command:"exitgame"
 value:(0)

def readFile(path):
	'' extract information from file and return in a dict ''
	info = {}
	lines = open(path).readlines()
	for l in lines:
		if l[0] == '#': continue # pound denotes a comment, ignore line
		elif l[0] != ' ': # new entry & new entry's type
			l = l.strip()
			tempdict = {}
			tempdict['name'] = l
		elif l[0] == ' ': # ' ' == dealing with variables in an entry
			value = None
			l = l.strip()
			l = l.split(':',1)
			name = l[0]
			l = l[1]
			#print l
			if l[0] == '(': # then it's a number or series of numbers
				l = l[1:len(l)-1] # remove start+end parentheses
				l = l.split(',') # split at commas
				if len(l) == 1: # then there's just one number
					if l[0].find('.') == -1: # no '.'; is int
						value = int( l[0] )
					else: # is a float
						value = float( l[0] )
				else: # there are a series of numbers; make a list!
					value = []
					for n in l:
						if n.find('.') == -1: # no '.'; is int
							n = int( n )
						elif n.find('.') > -1: # is a float
							n = float( n )
						value.append(n)
			elif l[0] == '"': # then it's a string or series of strings
				l = l[1:len(l)-1] # remove start & end quotes
				l = l.split('"') # split strings apart at quotes
				if len(l) == 1: # just one string
					value = l[0]
				else: # more than one
					value = l
			else: # something is wrong
				print "Error reading ", path
			#print value
			tempdict[name] = value
		else: # something is wrong
			print "Error reading ", path
		info[ tempdict['name'] ] = tempdict
	return info

def makeMatrix(self,dim,terrain=DEFAULTTERRAIN):
        '' make new isometric matrix in self ''
        self.isomatrix=[]
        for y in range(dim[1]):
            temprow=[]
            for x in range(dim[0]):
                temprow.append( IsoTile((x,y),self,terrain) )
            self.isomatrix.append(temprow)

def findVisibleTiles(self):
    '' return list of all visible tiles in viewrect (and update their positions, too) ''
    vislist = []
    for row in self.isomatrix:
        for tile in row:
            tile.updateDrawPos()
            tilepos = vector.add(tile.drawpos,self.offset)
            if tilepos[0] >= - TILEDIM[0]: # low x bound
                if tilepos[0] <= self.rect.width: # high x bound
                    if tilepos[1] >= - TILEDIM[1]: # low y bound
                        if tilepos[1] <= self.rect.height + TILEDIM[1]*4: # high y bound
                            vislist.append(tile)
    return vislist	

def drawMap(self):
    self.surface.fill((0,0,0))
    # render vislist 
    vislist = self.findVisibleTiles()
    for tile in vislist:
        drawpos = vector.add(tile.drawpos,self.offset)
        self.surface.blit(terrain.getTerSurf(tile.terType,tile.terEntry),drawpos) # render terrain   

    def updateDrawPos(self):
        '' update the gamewindow NONrelative position where the tile is drawn''
        if self.posHelper == EVEN: #if even
            self.drawpos = (self.pos[0]*TILEDIM[0], self.pos[1]*TILEDIM[1]/2)
        elif self.posHelper == ODD: #if odd
            self.drawpos = (self.pos[0]*TILEDIM[0] + TILEDIM[0]/2,self.pos[1]*TILEDIM[1]/2)

class IsoMatrix:
        '' this is the tile matrix itself ''
        def __init__(self,dim):
            self.matrix=[] #new matrix
            width=dim[0] #tiles wide
            height=d[1] #tiles high
            x=0 #x cycler
            y=0 #y cycler
            """ it shall belike so: matrix[column][row]/ should be matrix[row][col]:
            0 [ 0 , 1 , 2 ]
            1 [ 0 , 1 , 2 ]
            2 [ 0 , 1 , 2 ] """
            while y<height: # num of rows
                temp_row=[]
                while x<width: # num of cols
                    #pass isotile x and y for self.posx/y
                    temp_row.append( IsoTile(x,y) )
                    x=x+1 #for next pass
                x=0 # reset x after the row is done
                self.matrix.append(temp_row) #add the newly made row
                y=y+1 #for next pass