this tab is fairly accurate so yeah
since this song is fairly difficult and your looking it up im not gona hold your 
here goes nothing

there are several ways to play the first riff: heres a few
c.|---------12--------12-------12-------10--------12-------10-----------|
g.|----12h13-----12h13----12h13----12h13-----12h13----12h13-------------|
d*|--14--------14-------14-------14--------14-------14------------------|
a*|---------------------------------------------------------------------|
f.|---------------------------------------------------------------------|
C.|---------------------------------------------------------------------|
       *you dont have to hammer the to the 12 just makes it easier
c.|----------12---------12--------12--------10--------12--------10------|
g.|--10h12h13---10h12h13--10h12h13--10h12h13--10h12h13--10h12h13--------|
d*|---------------------------------------------------------------------|
a*|---------------------------------------------------------------------|
f.|---------------------------------------------------------------------|
C.|---------------------------------------------------------------------|

c.|---------12--------12--------12------------------12-----------------12--|
g.|----12h13-----12h13-----12h13-----12h13h15--12h13-----12h13h15--12h13---|
d*|--14--------14--------14--------14--------14--------14--------14--------|
a*|------------------------------------------------------------------------|
f.|------------------------------------------------------------------------|
C.|------------------------------------------------------------------------|
(you get the point)

this is the cool tap sweeping lick thats sweet
ill just give you position and stuff you can figure out how it goes pretty easy
  *tap the 17
c.|---17h12h8-----8---|repeat this a couple times
g.|----------10-10----|
d*|------------9------|
a*|-------------------|
f.|-------------------|
C.|-------------------|
   tap
c.|-17h15h12------12--|repeat
g.|---------13--13----|
d*|-----------12------|
a*|-------------------|
f.|-------------------|
C.|-------------------|
     tap                   tap                  tap
c.|---15h10h7-----7----|---20h17h13------13--|--20h15h12-------12--|
g.|-----------8--8-----|-----------15---15---|----------13---13----|
d*|------------7-------|--------------14-----|-------------12------|
a*|-----repeat---------|---------------------|---------------------|
f.|--------------------|---------------------|---------------------|
C.|--------------------|---------------------|---------------------|


you can play this one different ways too but this is easiest
c.|----------------------------------------------|
g.|----------------------------------------------|
d*|----------------------------------------------|
a*|---------12--------10--------12--------10-----|
f.|-10h12h14--10h12h14--10h12h14--10h12h14-------|
C.|----------------------------------------------|X2then just move up 2 frets
                                                            each time
c.|-----------------------------------------------------------------------|
g.|--------17-----17-----17------17------19------19------19------19-------|
d*|------17-----17-----17------17------19------19------19------19---------|
a*|----17-----17-----17------17------19------19------19------19-----------|
f.|--19-----19-----19------19------21------21------21------21-------------|
C.|-----------------------------------------------------------------------|

c.|------20~/--22-20-19-20~/---------|
g.|----------------------------------|
d*|----------------------------------|
a*|----------------------------------|
f.|----------------------------------|
C.|----------------------------------|

yea pretty much it just listen to the song pretty self exlpainitry