Help Please (new programmer) - GameCreators Forum

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mikimiki999

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Joined: 5th Apr 2010

Location: Warrington, UK

Posted: 5th Apr 2010 23:33

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Hi, im doing a project in college and am designing a game on DB Pro. i have decided to make a 2d fighter but have come to a few problems. one of whch is trying to get both characters to move simutaniously, (i am trying to make it multiplayer). and the second problem is taking one health bar off a hit. if you could help me and maybe give me some simple coding to work with it would be greatly appricated (below is my code). Cheers

function initialisegame()
randomize timer()
rem ***set screen resolution and background***
set display mode 1280,1024,32
load image "background.bmp",2
   sprite 1001,0,0,2
create animated sprite spmove, "spmovert.bmp",6,2,1
   sprite spmove,10,750,1
create animated sprite bgmove, "wolv.bmp",7,2,4
   sprite bgmove,1200,750,4
load image "sphealth.bmp",6
   sprite 6,10,30,6
load image "bghealth.bmp",7
   sprite 7,1000,30,7
load image "hb.bmp",8
   sprite 8,85,45, 8
      sprite 10,135,45,8
         sprite 11,185,45,8
load image "bhb.bmp",9
   sprite 9,1145,45,9
      sprite 12,1095,45,9
         sprite 13,1045,45,9
load music "music/GoodMorning.mp3", 1
play music 1
hide mouse
endfunction

function handlespidey()
do
ch$ = inkey$()
if ch$="z"
   rotate sprite spmove,90
   play sprite spmove,3,4,65
   move sprite spmove,-1
   rotate sprite spmove,0
else
   if ch$="x"
      rotate sprite spmove,90
      play sprite spmove,1,2,65
      move sprite spmove,1
      rotate sprite spmove,0
   else
      if ch$="s"
         play sprite spmove,6,6,1
         
      else
         if ch$="a"
            play sprite spmove,5,5,1
           
         else
            if ch$= ""
               play sprite spmove,7,8,1000
            endif
         endif
      endif
   endif
endif
loop
end
endfunction

function handlebadguy()
do
ch$ = inkey$()
if ch$="n"
   rotate sprite bgmove,90
   play sprite bgmove,4,5,65
   move sprite bgmove,-1
   rotate sprite bgmove,0
else
   if ch$="m"
      rotate sprite bgmove,90
      play sprite bgmove,2,3,65
      move sprite bgmove,1
      rotate sprite bgmove,0
   else
      if ch$="l"
         play sprite bgmove,6,6,1
      else
         if ch$="k"
            play sprite bgmove,7,7,1
         else
            if ch$= ""
               play sprite bgmove,1,1,1000
            endif
         endif
      endif
   endif
endif
loop
end
endfunction

+ Code Snippet

function initialisegame()
randomize timer()
rem ***set screen resolution and background***
set display mode 1280,1024,32
load image "background.bmp",2
   sprite 1001,0,0,2
create animated sprite spmove, "spmovert.bmp",6,2,1
   sprite spmove,10,750,1
create animated sprite bgmove, "wolv.bmp",7,2,4
   sprite bgmove,1200,750,4
load image "sphealth.bmp",6
   sprite 6,10,30,6
load image "bghealth.bmp",7
   sprite 7,1000,30,7
load image "hb.bmp",8
   sprite 8,85,45, 8
      sprite 10,135,45,8
         sprite 11,185,45,8
load image "bhb.bmp",9
   sprite 9,1145,45,9
      sprite 12,1095,45,9
         sprite 13,1045,45,9
load music "music/GoodMorning.mp3", 1
play music 1
hide mouse
endfunction

function handlespidey()
do
ch$ = inkey$()
if ch$="z"
   rotate sprite spmove,90
   play sprite spmove,3,4,65
   move sprite spmove,-1
   rotate sprite spmove,0
else
   if ch$="x"
      rotate sprite spmove,90
      play sprite spmove,1,2,65
      move sprite spmove,1
      rotate sprite spmove,0
   else
      if ch$="s"
         play sprite spmove,6,6,1
         
      else
         if ch$="a"
            play sprite spmove,5,5,1
           
         else
            if ch$= ""
               play sprite spmove,7,8,1000
            endif
         endif
      endif
   endif
endif
loop
end
endfunction

function handlebadguy()
do
ch$ = inkey$()
if ch$="n"
   rotate sprite bgmove,90
   play sprite bgmove,4,5,65
   move sprite bgmove,-1
   rotate sprite bgmove,0
else
   if ch$="m"
      rotate sprite bgmove,90
      play sprite bgmove,2,3,65
      move sprite bgmove,1
      rotate sprite bgmove,0
   else
      if ch$="l"
         play sprite bgmove,6,6,1
      else
         if ch$="k"
            play sprite bgmove,7,7,1
         else
            if ch$= ""
               play sprite bgmove,1,1,1000
            endif
         endif
      endif
   endif
endif
loop
end
endfunction

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GreenDixy

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Joined: 24th Jul 2008

Location: Toronto

Posted: 5th Apr 2010 23:38

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Not to sound rude or anything, But use search. There is tons on "Multiplayer" And "Health" for multiplayer. Look into darknet or multysync, Both great plugins for what you want to do.

======================================

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Kira Vakaan

17

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Joined: 1st Dec 2008

Location: MI, United States

Posted: 5th Apr 2010 23:57

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I recommend using the keystate() command instead of inkey() because it allows for simultaneous key reading. You can use scancode() to get the key number to use in keystate().

+ Code Snippet

function HandlePlayer()
	if keystate(17) then dec PlayerY,1
	if keystate(30) then dec PlayerX,1
	if keystate(31) then inc PlayerY,1
	if keystate(32) then inc PlayerX,1
	sprite PlayerSprite,PlayerX,PlayerY,PlayerImage
endfunction

This little snippet moves a sprite around using WASD. You could also make the sprite play its walking animation with each key.

As for your health bar, just call a function every loop that draws the bar. Something like this:

+ Code Snippet

function DrawHealthBar()
	for a=1 to PlayerHealth
		paste image HealthBarImage,20+(a-1)*image width(HealthBarImage),20
	next a
endfunction[

Hope that helps

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Mnemonix

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Joined: 2nd Dec 2002

Location: Skaro

Posted: 6th Apr 2010 00:35

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off topic,

Kira, in the second snipped you posted, what is the function of the [ after endfunction. Never seen that before.

Your signature has been erased by a mod because it's larger than 600x120

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TheComet

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Joined: 18th Oct 2007

Location: I`m under ur bridge eating ur goatz.

Posted: 6th Apr 2010 00:47 Edited at: 6th Apr 2010 00:49

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He may have wanted to type [ /code ] but typed [[ /code ]

EDIT : Had to put spaces or it wouldn't have shown up...

TheComet

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Kira Vakaan

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Joined: 1st Dec 2008

Location: MI, United States

Posted: 6th Apr 2010 03:13

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Oops, yeah, what TheComet said.

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mikimiki999

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Joined: 5th Apr 2010

Location: Warrington, UK

Posted: 9th Apr 2010 00:21

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Thanks e1 (espec Kira) i have sorted out the movement but the health bar i cant seem to get to work. can u explain it in a bit of detail on how it works and give an example of how it is used please thanks for the help again guys

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Kira Vakaan

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Joined: 1st Dec 2008

Location: MI, United States

Posted: 10th Apr 2010 04:25

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Well in your program, you have a main loop, yes? On every loop of the program, you want to draw the health bar onto the screen with everything else, so somewhere inside your main loop you should call a function to draw the health bar. As for how my little example did that, basically I assumed you have an image of one segment of health and I drew a copy of that image for every unit of health the player has. I did that with a for loop. As the variable a counts higher, I multiply it by the width of the segment image to get the X coordinate of the place I should draw the next segment.

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mikimiki999

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Location: Warrington, UK

Posted: 11th Apr 2010 14:12

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right lol. I get how it works but actually getting it to work is another story. I really want to finish this game, I am sorry for this but if I post the code can you see where im going wrong. thankyou,

function initialisegame()
rem ***set screen resolution and background***
set display mode 1280,1024,32
load image "background.bmp",2
   sprite 1001,0,0,2
create animated sprite spmove, "spmovert.bmp",6,2,1
sprite spmove,10,750,1
create animated sprite bgmove, "wolv.bmp",7,2,4
sprite bgmove,1200,750,4
load image "sphealth.bmp",6
   sprite 6,10,30,6
load image "bghealth.bmp",7
   sprite 7,1000,30,7
load image "hb.bmp",8
load image "bhb.bmp",9
load music "music/GoodMorning.mp3", 1
rem play music 1
hide mouse
endfunction

function handlekeyboard()
keypressed = 0
rem z (spid lt)
   if keystate(44) = 1
      keypressed = 1
   else
      rem x (spid rt)
      if keystate(45) = 1
         keypressed = 2
      else
      rem a (spid hit lt)
         if keystate(30) = 1
            keypressed = 3
         else
            rem s (spid hit rt)
            if keystate(31) = 1
               keypressed = 4
            else
               rem d (spid block)
               if keystate(32) = 1
                  keypressed = 5
               endif
            endif
         endif
      endif
   endif
   rem n (wolv rt)
   if keystate(49) = 1
      keypressed = 6
   else
      rem m (wolv lt)
      if keystate(50) = 1
         keypressed = 7
      else
         rem k (wolv hit lt)
         if keystate(37) = 1
            keypressed = 8
         else
            rem l (wolv hit rt)
            if keystate(38) = 1
               keypressed = 9
            else
               rem j (wolv block)
               if keystate(36) = 1
                  keypressed = 10
               endif
            endif
         endif
      endif
   endif
endfunction

function HandlePlayer()
if keypressed = 1
   play sprite spmove,3,4,65
   rotate sprite spmove,90
   move sprite spmove,-1
   rotate sprite spmove,0
endif
   if keypressed = 2
      play sprite spmove,1,2,65
      rotate sprite spmove,90
      move sprite spmove,1
      rotate sprite spmove,0
   endif
      if keypressed = 3
         play sprite spmove,5,5,1
      endif
         if keypressed = 4
            play sprite spmove,6,6,1
               If sprite exist(9) then
               hide sprite 12

If sprite exist(12) then
               hide sprite 13
         endif
            if keypressed = 5
               play sprite spmove,8,8,1
               hide sprite 9
               hide sprite 12
               hide sprite 13
            endif

if keypressed = 6
                  play sprite bgmove,4,5,65
                  rotate sprite bgmove,90
                  move sprite bgmove,-1
                  rotate sprite bgmove,0
               endif
                  if keypressed = 7
                     play sprite bgmove,2,3,65
                     rotate sprite bgmove,90
                     move sprite bgmove,1
                     rotate sprite bgmove,0
                  endif
                     if keypressed = 8
                        play sprite bgmove,7,7,1
                        drawhealthbar()
                     endif
                        if keypressed = 9
                           play sprite bgmove,6,6,1
                           drawhealthbar()
                        endif
                           if keypressed = 10
                              play sprite bgmove,1,1,1000
                           endif

endfunction

function DrawHealthBar()
        for a=1 to PlayerHealth
                paste image 8,20+(a-1)*43,20
        next a
endfunction

+ Code Snippet

function initialisegame()
rem ***set screen resolution and background***
set display mode 1280,1024,32
load image "background.bmp",2
   sprite 1001,0,0,2
create animated sprite spmove, "spmovert.bmp",6,2,1
sprite spmove,10,750,1
create animated sprite bgmove, "wolv.bmp",7,2,4
sprite bgmove,1200,750,4
load image "sphealth.bmp",6
   sprite 6,10,30,6
load image "bghealth.bmp",7
   sprite 7,1000,30,7
load image "hb.bmp",8
load image "bhb.bmp",9
load music "music/GoodMorning.mp3", 1
rem play music 1
hide mouse
endfunction

function handlekeyboard()
keypressed = 0
rem z (spid lt)
   if keystate(44) = 1
      keypressed = 1
   else
      rem x (spid rt)
      if keystate(45) = 1
         keypressed = 2
      else
      rem a (spid hit lt)
         if keystate(30) = 1
            keypressed = 3
         else
            rem s (spid hit rt)
            if keystate(31) = 1
               keypressed = 4
            else
               rem d (spid block)
               if keystate(32) = 1
                  keypressed = 5
               endif
            endif
         endif
      endif
   endif
   rem n (wolv rt)
   if keystate(49) = 1
      keypressed = 6
   else
      rem m (wolv lt)
      if keystate(50) = 1
         keypressed = 7
      else
         rem k (wolv hit lt)
         if keystate(37) = 1
            keypressed = 8
         else
            rem l (wolv hit rt)
            if keystate(38) = 1
               keypressed = 9
            else
               rem j (wolv block)
               if keystate(36) = 1
                  keypressed = 10
               endif
            endif
         endif
      endif
   endif
endfunction

function HandlePlayer()
if keypressed = 1
   play sprite spmove,3,4,65
   rotate sprite spmove,90
   move sprite spmove,-1
   rotate sprite spmove,0
endif
   if keypressed = 2
      play sprite spmove,1,2,65
      rotate sprite spmove,90
      move sprite spmove,1
      rotate sprite spmove,0
   endif
      if keypressed = 3
         play sprite spmove,5,5,1
      endif
         if keypressed = 4
            play sprite spmove,6,6,1
               If sprite exist(9) then
               hide sprite 12

               If sprite exist(12) then
               hide sprite 13
         endif
            if keypressed = 5
               play sprite spmove,8,8,1
               hide sprite 9
               hide sprite 12
               hide sprite 13
            endif

               if keypressed = 6
                  play sprite bgmove,4,5,65
                  rotate sprite bgmove,90
                  move sprite bgmove,-1
                  rotate sprite bgmove,0
               endif
                  if keypressed = 7
                     play sprite bgmove,2,3,65
                     rotate sprite bgmove,90
                     move sprite bgmove,1
                     rotate sprite bgmove,0
                  endif
                     if keypressed = 8
                        play sprite bgmove,7,7,1
                        drawhealthbar()
                     endif
                        if keypressed = 9
                           play sprite bgmove,6,6,1
                           drawhealthbar()
                        endif
                           if keypressed = 10
                              play sprite bgmove,1,1,1000
                           endif

endfunction

function DrawHealthBar()
        for a=1 to PlayerHealth
                paste image 8,20+(a-1)*43,20
        next a
endfunction

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TDK

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Joined: 19th Nov 2002

Location: UK

Posted: 12th Apr 2010 23:44

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Lol!

Can't anyone indent code properly any more?

TDK

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Kira Vakaan

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Joined: 1st Dec 2008

Location: MI, United States

Posted: 12th Apr 2010 23:50

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Yeah, the indentation in your HandlePlayer() function is pretty screwy.

As for the health bar, I didn't see any definition of the variable PlayerHealth, so the value defaults to 0. Add something like this at the beginning of your program:

+ Code Snippet

global PlayerHealth=10

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Hawkblood

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Posted: 13th Apr 2010 16:03

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Quote: "trying to get both characters to move simutaniously"

I couldn't help but notice that noone has mentioned the "simultaniously" part of your problem.... I think you have too many do-loop's. The movement of the characters is done in two seperate functions, each with it's own do-loop. When you call the handlespidey() function, It doesn't take input from the other player. Try making a single do-loop that calls the two functions and take the do-loop's out of those functions. Try that for starters.

The fastest code is the code never written.

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Kira Vakaan

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Posted: 13th Apr 2010 23:19

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Quote: "I recommend using the keystate() command instead of inkey() because it allows for simultaneous key reading"

And if you'd read his later post, you'd see that he's already done that.

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D Ogre

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Posted: 14th Apr 2010 04:04 Edited at: 14th Apr 2010 04:20

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I personally like using joysticks for 2D fighters. Keyboard controls are fine for one player on one machine and then place each player on a different machine in a multiplayer network, which I'm assuming you're going to here eventually. But what if you wanted to play a two player game on a single machine? Keyboard input on a single machine with two players can be quite hokey. Two joysticks work quite nicely in this case, and it is completely viable now since DBPro has multi-joystick support now-a-days. That's my suggestion to you, but you can choose to do whatever you want.

I myself would design the player control code to be timer based. Firstly, to see which players attack takes presidence and would possibly be successful. Your collision system can be distance based. Simply check the XY sprite coordinates to see if an attack is effective within a given range. Secondly, check if a player's joystick input for a combo attack is completed correctly and within the specified time period alloted before the timer is reset. I've used string variables to build a combo code which can be checked against.

+ Code Snippet

Combo$ = Combo$ + ButtonCode$

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mikimiki999

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Location: Warrington, UK

Posted: 16th Apr 2010 19:13

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I have declared the variable for player health. how do I program it to delete it one of the health icons, and once all the icons have been deleted to display a game over screen.

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