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Rem Project: SpaceInvaders Clone by James B.
Rem Created: 9/7/2003 19:51:00
Rem ***** Main Source File *****


`\\Variables-----------------------------------
intPlayerX                 as float
intPlayerBulletCol         as integer
intBaddieShoots            as integer
intBaddieBulletCol         as integer
intBaddiesRem              as integer
intPlayerLives             as integer=3
dwoScore                   as dword
intBadParticleDelay        as integer
intPlayerParticleDelay     as integer
`----------------------------------------------

gosub _InitSystem
gosub _InitMedia
gosub _InitMusic
gosub _InitPlayer
gosub _InitBaddies
gosub _InitBlockades
gosub _InitBaddieParticles
gosub _initPlayerParticles
gosub _FirstTime
gosub _GetReadyMsg
gosub _MAIN


`\\START MAIN LOOP----------------------------------------
_MAIN:
DO
   intPlayerX=object position x(1)

   `\\move player left and right
   if leftkey()=1 and intplayerx > -3.75
      position object 1,object position x(1) - .05,object position y(1),object position z(1)
   endif
   if rightkey()=1 and intplayerx < 3.75
      position object 1,object position x(1) + .05,object position y(1),object position z(1)
   endif


   `\\player shoot at baddies
   if controlkey()=1
      gosub _MakePlayerBullet
   endif
   if object exist(2)
      if object position y(2) < 5.75
         position object 2, object position x(2),object position y(2)+.125, object position z(2)
         intPlayerBulletCol=object collision(2,0)
         `\\if bullet hit baddie
         if intPlayerBulletCol >= 3 and intPlayerBulletCol <= 42
            position particles 2,object position x(intPlayerBulletCol),object position y(intPlayerBulletCol),object position z(intPlayerBulletCol)
            show particles 2
            intBadParticleDelay=Timer() + 500
            delete object 2
            delete object intPlayerBulletCol
            play sound 5
            intbaddiesrem=intbaddiesrem-1
            dwoScore=dwoScore + 150
            if intbaddiesrem=0
               gosub _InitBaddies
               gosub _GetReadyMsg
            endif
         endif
         if intPlayerBulletCol >= 43 and intPlayerBulletCol <= 45
            delete object 2
         endif
      else
         delete object 2
      endif
   endif
   `\\test for particle duration end
   if timer() > intBadParticleDelay then hide particles 2



   `\\baddies shoot at player
      gosub _GetBaddieShooter
      gosub _MakeBaddieBullet
      if object exist(46)=1
         if object position y(46) > -3.5
            position object 46, object position x(46),object position y(46)-.1, object position z(46)
            intBaddieBulletCol=object collision(46,0)
            `\\if bullet hit player
            if intBaddieBulletCol = 1
               hide object 1
               hide object 46
               position particles 1,object position x(1),object position y(1),object position z(1)
               show particles 1
               delete object 1
               delete object 46
               play sound 3
               `\\TCA FIXED
               gosub _KillArtifacts
               for intPlayerParticleDelay=1 to 20
                  sync
                  wait 50
               next intPlayerParticleDelay
               hide particles 1
               `\\player died - get new player
               intPlayerLives=intPlayerLives-1
                  if intPlayerLives > 0
                     gosub _InitPlayer
                     gosub _GetReadyMsg
                  else
                     hide particles 1
                     sync
                     gosub _GameOver
                  endif
            endif
            if intBaddieBulletCol >= 43 and intBaddieBulletCol <= 45
               delete object 46
            endif
         else
            delete object 46
         endif
      endif

   `\\Pause game
   if spacekey()=1
      set cursor 300,250
      print "PAUSED"
      gosub _UpdateScore
      sync
      wait key
   endif

   `\\quit game
   if escapekey()=1 then end

   gosub _UpdateScore
   sync
loop
RETURN
`\\END MAIN LOOP-----------------------------------------------------------


`\\SUBROUTINES-------------------------------------------------------------
_UpdateScore:
   set cursor 0,0
   print str$(dwoScore)
Return

_GetBaddieShooter:
   randomize timer()
   intBaddieShoots=rnd(39)+3
Return

_MakeBaddieBullet:
   `\\ Player Bullet OBJECT 46
   if not object exist (46)
      if object exist(intbaddieshoots)
         make object cylinder 46,.2
         position object 46,object position x(intbaddieshoots),object position y(intbaddieshoots)-.45,object position z(intbaddieshoots)
         color object 46,rgb(255,100,100)
         set object collision on 46
         play sound 4
      endif
   endif
Return

_InitPlayer:
   `\\Player OBJECT 1
   if not object exist(1)
      make object cone 1,.5
      position object 1,0,-3,0
      color object 1,rgb(0,0,220)
   endif
Return

_GetReadyMsg:
   sync
   set cursor 285,250
   print "GET READY"
   gosub _UpdateScore
   sync
   play sound 1
   wait 2000
Return

_MakePlayerBullet:
   `\\ Player Bullet OBJECT 2
   if object exist(1)
      if not object exist (2)
         make object cylinder 2,.2
         position object 2,object position x(1),object position y(1)+.45,object position z(1)
         color object 2,rgb(100,100,255)
         set object collision on 2
         play sound 2
      endif
   endif
Return

_InitBaddies:
   `\\Baddies OBJECTS 3-42
   objcounter as integer=3
   intLoop2 as integer
   intLoop as integer
   for intLoop2=5 to 1 step -1
      for intLoop = 3 to 10
            if not object exist(objcounter)
               make object sphere objcounter,.5
               position object objcounter,intLoop-6.5,intLoop2,0
               color object objcounter,rgb(220,0,0)
               endif
            inc objcounter
      next intLoop
   next intLoop2
   gosub _KillArtifacts
   intBaddiesRem=40
Return

_KillArtifacts:
   if object exist(2) then delete object 2 : `kill leftover player bullet
   if object exist(46) then delete object 46 : `kill leftover baddie bullet
Return

_InitBlockades:
   `\\Blockcades OBJECTS 43-45
   make object cube 43,.75
   position object 43,0,-1.75,0
   make object cube 44,.75
   position object 44,-3,-1.75,0
   make object cube 45,.75
   position object 45,3,-1.75,0
Return

_InitSystem:
   `\\screen & camera
   sync on
   sync rate 100
   hide mouse
   color backdrop 0,0
   autocam off
   position camera 0,0,0,-10
Return

_GameOver:
   set cursor 285,250
   print "GAME OVER !"
   gosub _UpdateScore
   sync
   wait 3000
   cls
   gosub _StartScreen
Return

_InitBaddieParticles:
   make particles 2,1,25,2
   color particles 2, 255, 200, 200
   set particle emissions 2, 10
   set particle speed 2, 0.1
   set particle gravity 2, 10
   hide particles 2
Return

_InitPlayerParticles:
   make particles 1,1,25,3
   color particles 1, 200, 200, 255
   set particle emissions 1, -10
   set particle speed 1, 0.1
   set particle gravity 1, 10
   hide particles 1
Return

_Re_InitVars:
   intPlayerX=0
   intPlayerBulletCol=0
   intBaddieShoots=0
   intBaddieBulletCol=0
   intBaddiesRem=0
   intPlayerLives=3
   dwoScore=0
   intBadParticleDelay=0
   intPlayerParticleDelay=0
Return

_InitMedia:
   load sound "InitPlayer.wav",1
   load sound "PlayerShoot.wav",2
   load sound "PlayerDie.wav",3
   load sound "BaddieShoot.wav",4
   load sound "BaddieDie.wav",5
   load music "Triumph.mp3",1
   load image "test.bmp",1
Return

_InitMusic:
   play music 1
   loop music 1
Return

_StartScreen:
   hide particles 1
   hide particles 2
   cls
   sync
   set cursor 190,screen height()/2
   print "Any Key for New Game, ESC to Quit"
   gosub _UpdateScore
   sync
   wait key
   if escapekey()=1 then end
   gosub _Re_InitVars
   gosub _InitPlayer
   gosub _initBaddies
   gosub _GetReadyMsg
   gosub _MAIN
Return

_FirstTime:
   cls
   sync
   set cursor 190,screen height()/2
   print "Any Key for New Game, ESC to Quit"
   sync
   wait key
   if escapekey()=1 then end
Return