UDP_FPS_Patch

SeedRnd MilliSecs()

Include "UDPNetwork_lib.bb"

Global localID
Global localName$ = "<Guy Fawkes>"

Global localPlayerMesh

Global hide_pointer

Global itemcollcnt

Global onground

Global all_scene_collisions_on         =     0
Global camera_scene_collisions_on      =     0
Global player_scene_collisions_on      =     1
Global player_player_collisions_on     =     0
Global bullet_scene_collisions_on      =     1
Global bullet_player_collisions_on     =     1
Global player_item_collisions_on       =     1

Type player

    Field id

    Field name$

    Field life

    Field mesh

    Field nextX#,nextY#,nextZ#
    Field previousX#,previousY#,previousZ#
    Field nextYaw#
    Field previousYaw#
    Field nextTime#
    Field previousTime#

    Field currentY#
    Field velocityY#

    Field r,g,b

    Field health_factor
    Field max_health_factor

    Field magic_factor
    Field max_magic_factor

    Field bullet_factor
    Field max_bullet_factor

End Type

Type item

    Field id

    Field xpos#
    Field ypos#
    Field zpos#

    Field itemcount

    Field r,g,b

End Type

Type bullet

    Field mesh
    Field angle#
    Field time
    Field id ; id of player who fired

End Type

Global maxhealthpacks = 4

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Camera code from jfk EO-11110, thanks
Global bounce_cam=1 ;  smooth camera motion? (0/1)
Global bounce_div#=30.0 ; the higher, the more sluggish the camera will follow. Recc: 3.0 to 20.0
; some globals used by ChaseCam
Global old_x#,old_y#,old_z#
; desired distance between camera and player mesh
Global x_dis#=7.0,y_dis#=1,z_dis#=7.0,y_dis_or#=y_dis#
;Camera Collision Type
Global type_camera = 1
;Player Collision Type
Global type_player = 2
;Scene Collision Type
Global type_scene = 3
;Bullet Collision Type
Global type_bullet = 4
;Item Collision Type
Global type_item = 5
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

api_ShowWindow ( SystemProperty$ ( "apphWnd" ), 1 )

; network init ----------------------------------------;
Global localMode = Net_StartInput() ; bring the library "console" to connect

If localMode = 1 Or localMode = 2 ; 1 means we are client, 2 means we are server

    If localMode = 1 Then AppTitle("Client : " + localName + " (port:" + net_port + ")")
    If localMode = 2 Then AppTitle("Server : " + localName + " (port:" + net_port + ")")

    localId = Net_CreatePlayer(localName) ; this command inits the server or local client

    If localId = 0 ; error
        Net_StopNetwork() ; close the network properly
        RuntimeError("Failed to create player.")
    EndIf

Else ; error
    Net_StopNetwork()
    RuntimeError("Failed to start game.")
EndIf
;------------------------------------------------------;

Graphics3D 640,480,32,2
SetBuffer BackBuffer()

api_ShowWindow ( SystemProperty$ ( "apphWnd" ), 1 )

CreateScene()

Global camera = CreateCamera()
CameraRange camera, 0.1, 10000.0
EntityPickMode camera, 2
EntityType camera, type_camera
EntityRadius camera, 0.1
CameraFogMode camera, 1
CameraFogColor camera, 38, 107, 252
CameraFogRange camera, 0.0, 250.0

Global sky = CreateCube()
EntityFX sky, 1+8
ScaleEntity sky, 25, 25, 25
EntityColor sky, 38, 107, 252
EntityOrder sky, 1000
FlipMesh sky

; create our own local player
localPlayerMesh = CreatePlayer(localID,localName)
old_x = EntityX(localPlayerMesh):old_y = EntityY(localPlayerMesh):old_z = EntityZ(localPlayerMesh) ; update camera position

; we send our color to the server
p.player = Object.player(GetPlayer(localID))
Net_SendMessage(3,p\r + "/" + p\g + "/" + p\b)

; variables used to send our positions at a constant delay (saves bandwidth but makes a constant ping)
Global updatePosition = MilliSecs()
Global updateTick = 50

; chat
Global messageDisplayNumber = 10
Global messageOffset
Dim message$(messageDisplayNumber)

Global chatMode
Global chatMessage$ = localName + ": "
Global chatMillisecs = MilliSecs()
Global chatCursor

While Not KeyDown(1)

    If all_scene_collisions_on

        ;; ALL COLLISIONS

        camera_scene_collisions_on      =     1
        player_scene_collisions_on      =     1
        player_player_collisions_on     =     1
        bullet_scene_collisions_on      =     1
        bullet_player_collisions_on     =     1
        player_item_collisions_on       =     1

    Else

        ;; FEW COLLISIONS

        If  camera_scene_collisions_on Then Collisions type_camera, type_scene, 2, 2 ;camera to scene
        If  player_scene_collisions_on Then Collisions type_player, type_scene, 2, 3 ; player to scene
        If  player_player_collisions_on Then Collisions type_player, type_player, 1, 3 ; player to player
        If  bullet_scene_collisions_on Then Collisions type_bullet, type_scene, 2, 1 ; bullet to scene
        If  bullet_player_collisions_on Then Collisions type_bullet, type_player, 1, 1 ; bullet to player
        If  player_item_collisions_on Then Collisions type_player, type_item, 1, 1  ; player to item

    EndIf

    ;; ALL the Collisions on at the SAME TIME
    If all_scene_collisions_on

        Collisions type_camera, type_scene, 2, 3 ; camera to scene
        Collisions type_player, type_scene, 2, 3 ; player to scene
        Collisions type_player, type_player, 1, 3 ; player to player
        Collisions type_bullet, type_scene, 2, 1 ; bullet to scene
        Collisions type_bullet, type_player, 1, 1 ; bullet to player
        Collisions type_player, type_item, 1, 1  ; player to item

    EndIf

    ; update our player
    UpdateLocalPlayer()

    ; see the function, the interpolation variables are set properly here
    UpdateNetwork()

    ; the interpolation is made in this function
    UpdatePlayers()

    ; update the bullets... only the server check for player kill
    UpdateBullets()

    UpdateItems()

    UpdateWorld()
    RenderWorld()

        DrawPlayersNames()

            If KeyHit(28) And chatMode = 0 Then chatMode = 1 : FlushKeys()

            If chatMode = 1 Then UpdateChat()

        DrawMessages()

    Flip

Wend

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

Net_StopNetwork()

End

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function Jump ( )

    For p.player = Each player

        ; check if player is on the ground
        groundcoll = LinePick(EntityX(p\mesh),EntityY(p\mesh),EntityZ(p\mesh),0,-1.2,0)

        If PickedEntity()

            onground = 1

            ;Detect Ceiling
            ceilingpicked = LinePick ( EntityX ( p\mesh ), EntityY ( p\mesh ), EntityZ ( p\mesh ), 0.0, 300.0, 0.0 )

            ;Stop Ceiling "Floating"
            If ceilingpicked

                p\velocityY = 0.0

            Else

                p\velocityY = 0.5 ; set "inverse" of gravity velocity

            EndIf

        Else

            onground = 0

        EndIf

    Next

End Function

Function UpdateChaseCam(camera,player) ; thanks to jfk EO-11110 on bb forums for this function !
    PositionEntity camera,EntityX(player,1),EntityY(player,1),EntityZ(player,1)
    ResetEntity camera
    x#=EntityX(player)+Sin(-EntityYaw(player)+180)*x_dis#
    y#=EntityY(player)+y_dis#
    z#=EntityZ(player)+Cos(-EntityYaw(player)+180)*z_dis#
    obstacle=LinePick(EntityX(player),EntityY(player),EntityZ(player),(x-EntityX(player)),y_dis#,(z-EntityZ(player)),0.1)
    If obstacle=0
        new_x#=x
        new_y#=y
        new_z#=z
    Else
        new_x#=PickedX()
        new_y#=PickedY()
        new_z#=PickedZ()
    EndIf
    If bounce_cam=0
        PositionEntity camera,new_x,new_y,new_z
    Else
        x=old_x+((New_x-old_x)/bounce_div#)
        y=old_y+((New_y-old_y)/bounce_div#)
        z=old_z+((New_z-old_z)/bounce_div#)
        PositionEntity camera,x,y,z
    EndIf
    PointEntity camera,player
    TurnEntity camera,-20,0,0     ; if you want the player mesh more on the bottom of the screen
    old_x#=EntityX(camera)
    old_y#=EntityY(camera)
    old_z#=EntityZ(camera)
End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function UpdateNetwork()

    ; update incoming packets (better check ALL incoming messages so use While Wend)
    While Net_CheckMessage() ; will check for a new message and fill Net_MsgType, Net_MsgData$, Net_MsgFrom and Net_MsgTo variables so we can read it

        p.player = Object.player(GetPlayer(Net_MsgFrom)) ; get the player handle

        Select Net_MsgType ; check the type of message

            Case 1 ; chat message

                NewMessage(Net_MsgData)

            Case 2 ; player position and angle, example of packing data into string

                offset1 = Instr(Net_MsgData,"/",1)
                offset2 = Instr(Net_MsgData,"/",offset1+1)
                offset3 = Instr(Net_MsgData,"/",offset2+1)

                p\previousX = p\nextX
                p\previousY = p\nextY
                p\previousZ = p\nextZ
                p\previousYaw = p\nextYaw

                p\nextX = Left(Net_MsgData,offset1-1)
                p\nextY = Mid(Net_MsgData,offset1+1,offset2-offset1-1)
                p\nextZ = Mid(Net_MsgData,offset2+1,offset3-offset2-1)
                p\nextYaw = Right(Net_MsgData,Len(Net_MsgData)-offset3)

                p\previousTime = p\nextTime
                p\nextTime = MilliSecs()

            Case 3 ; update player colors

                offset1 = Instr(Net_MsgData,"/",1)
                offset2 = Instr(Net_MsgData,"/",offset1+1)

                p\r = Left(Net_MsgData,offset1-1)
                p\g = Mid(Net_MsgData,offset1+1,offset2-offset1-1)
                p\b = Right(Net_MsgData,Len(Net_MsgData)-offset2)

                EntityColor p\mesh,p\r,p\g,p\b

            Case 4 ; a player fired

                CreateBullet(Net_MsgFrom)

            Case 5 ; a player lost some life

                p\life = Net_MsgData

            Case 6 ; a player killed another one

                k.player = Object.player(GetPlayer(Net_MsgData)) ; killed player ID in MsgData
                NewMessage(p\name + " killed " + k\name)
                ResetPlayer(k\id)

            Case 100 ; new player connected, OR the server tells us who is already connected so we can create players when joining the game

                If localMode = 2
                    For p.player = Each player
                        Net_SendMessage(2,p\nextX + "/" + p\nextY + "/" + p\nextZ + "/" + p\nextYaw,p\id,Net_MsgFrom)
                        Net_SendMessage(3,p\r + "/" + p\g + "/" + p\b,p\id,Net_MsgFrom)

                        Net_SendMessage(5,p\life,p\id,Net_MsgFrom)
                    Next
                EndIf

                NewMessage(Net_MsgData + " connected")
                CreatePlayer(Net_MsgFrom,Net_MsgData)

            Case 101 ; a player has quit

                For p.player = Each player
                    If Net_MsgFrom = p\id
                        NewMessage(p\name + " disconnected")
                        FreeEntity p\mesh
                        Delete p
                    EndIf
                Next

            Case 102 ; host has changed

                For p.player = Each player
                    If Net_MsgFrom = p\id
                        If p\id = localID
                            AppTitle("Server : " + localName + " (port:" + net_port + ")")
                            NewMessage("You are the new host")
                            localMode = 2
                        Else
                            NewMessage(p\name + " is the new host")
                        EndIf
                    EndIf
                Next

        End Select

    Wend

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function UpdateLocalPlayer()

    ; update our player
    p.player = Object.player(GetPlayer(localID)) ; get our player

        ; inputs
        If chatmode = 0
            If KeyDown(200) Or KeyDown(17) Then MoveEntity p\mesh,0,0,0.3
            If KeyDown(208) Or KeyDown(31) Then MoveEntity p\mesh,0,0,-0.3
            If KeyDown(203) Or KeyDown(30) Then TurnEntity p\mesh,0,3,0
            If KeyDown(205) Or KeyDown(32) Then TurnEntity p\mesh,0,-3,0
        EndIf

        ; fire
        If KeyDown(47)
            CreateBullet(localID)
            Net_SendMessage(4,"")
        EndIf

        If hide_pointer <> 0 Then HidePointer ( )
        If hide_pointer  = 0 Then ShowPointer ( )

        If Not ( KeyDown ( 29 ) Or KeyDown ( 157 ) )

            ; jump
            If KeyHit(57) And chatmode = 0 Then Jump ( )

        Else

            ; spawn items
            If KeyHit(57) And chatmode = 0

                For x = 1 To maxhealthpacks

                    i.item = New item
                    i\id = CreateCube()
                    i\itemcount = ( maxhealthpacks )
                    PositionEntity i\id, Rnd ( -25, 25 ), 1.001, ( Rnd ( -25, 25 ) )
                    EntityPickMode i\id, 2
                    EntityType i\id, type_item
                    EntityRadius i\id, 1
                    EntityColor i\id, 0, ( Rnd ( 64, 255 ) ), ( Rnd ( 64, 255 ) )
                    EntityAlpha i\id, ( Rnd ( 0.25, 0.65 ) )

                Next

            EndIf

        EndIf

        ; we create a message type "2" for player position
        If MilliSecs()-updatePosition > updateTick
            Net_SendMessage(2,EntityX#(p\mesh, 1) + "/" + EntityY#(p\mesh, 1) + "/" + EntityZ#(p\mesh, 1) + "/" + EntityYaw#(p\mesh, 1))
            updatePosition = MilliSecs()
        EndIf

     If MouseDown(1)

         mxs#=MouseXSpeed()/4.0
         mys#=(MouseYSpeed()/100.0)

             y_dis=y_dis+mys
             If y_dis<-y_dis_or*2 Then y_dis=-y_dis_or*2
             If y_dis>y_dis_or*15 Then y_dis=y_dis_or*15

         MoveMouse GraphicsWidth()/2,GraphicsHeight()/2
         TurnEntity p\mesh,0,-mxs,0

     EndIf

     If ( MouseDown ( 1 ) And MouseDown ( 2 ) )

        MoveEntity p\mesh, 0, 0, 0.3

     EndIf

UpdateChaseCam(camera,p\mesh)

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function UpdatePlayers()

    For p.player = Each player

        If p\id <> localID ; update other players

            ResetEntity p\mesh ; reset entity is useful here because of collisions

            ;; LINEAR INTERPOLATION ;;;;;;;;;;
            curTime# = (MilliSecs()-p\nextTime) / (p\nextTime-p\previousTime) ; curTime will be ideally 0.0-1.0, if it's > 1.0 then it performs extrapolation
            PositionEntity p\mesh,p\previousX+(p\nextX-p\previousX)*curTime,p\previousY+(p\nextY-p\previousY)*curTime,p\previousZ+(p\nextZ-p\previousZ)*curTime

            ; special fix for yaw as EntityYaw returns a value beetween +180 ans -180, the interpolation can go backward
            If p\previousYaw < 0 Then p\previousYaw = p\previousYaw + 360
            If p\nextYaw < 0 Then p\nextYaw = p\nextYaw + 360
            If Abs(p\nextYaw-p\previousYaw) > 180
                If p\nextYaw > p\previousYaw
                    p\previousYaw = p\previousYaw + 360
                Else
                    p\previousYaw = p\previousYaw - 360
                EndIf
            EndIf

            RotateEntity p\mesh,0,p\previousYaw+(p\nextYaw-p\previousYaw)*curTime,0
            ;;;;;;;;;;;;;;;;;;;;;;;;;;;

        Else ; update our player, basically it just compute gravity

            p\velocityY = p\velocityY - 0.003 ; fake gravity
            If EntityY(p\mesh) - p\currentY >= 0 ; if player is not falling we limit the gravity
                If p\velocityY < -0.003 Then p\velocityY = -0.003
            EndIf

            p\currentY = EntityY(p\mesh)
            TranslateEntity p\mesh,0,p\velocityY,0

        EndIf

    Next

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function CreatePlayer(id,name$)

    p.player = New player
    p\id = id
    p\name = name

    p\life = 10

    p\mesh = CreateCube()
    EntityType p\mesh,type_player
    EntityRadius p\mesh,1.0,1.0

    ScaleEntity p\mesh, 1, 1, 1

    NameEntity p\mesh,Handle(p)

    nose = CreateSphere(8,p\mesh):EntityColor nose,255,0,0
    PositionEntity nose,0,0,1
    ScaleEntity nose,0.3, 0.3, 0.3

    p\nextX = -20
    p\nextY = 1
    p\nextZ = -20
    p\nextYaw = -45

    p\previousX = p\nextX
    p\previousY = p\nextY
    p\previousZ = p\nextZ
    p\previousYaw = p\nextYaw

    p\r = 0
    p\g = Rand ( 64, 255 )
    p\b = Rand ( 64, 255 )
    EntityColor p\mesh,p\r,p\g,p\b

    PositionEntity p\mesh,p\nextX,p\nextY,p\nextZ
    RotateEntity p\mesh,0,p\nextYaw,0
    ResetEntity p\mesh

    p\currentY = p\nextY

    p\previousTime = MilliSecs()
    p\nextTime = MilliSecs()+1

    Return p\mesh

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function ResetPlayer(id)

    p.player = Object.player(GetPlayer(id))

    p\life = 90

    p\nextX = -20
    p\nextY = 1
    p\nextZ = -20
    p\nextYaw = -45

    p\previousX = p\nextX
    p\previousY = p\nextY
    p\previousZ = p\nextZ
    p\previousYaw = p\nextYaw

    PositionEntity p\mesh,p\nextX,p\nextY,p\nextZ
    RotateEntity p\mesh,0,p\nextYaw,0
    ResetEntity p\mesh

    p\currentY = p\nextY

    p\previousTime = MilliSecs()
    p\nextTime = MilliSecs()+1

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function GetPlayer(id)

    For p.player = Each player
        If p\id = id
            Return Handle(p)
        EndIf
    Next

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function GetItem(id)

    For i.item = Each item
        If i\id = id
            Return Handle(i)
        EndIf
    Next

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function DrawPlayersNames()

    For p.player = Each player

        Color 255,255,255
        CameraProject(camera,EntityX(p\mesh),EntityY(p\mesh),EntityZ(p\mesh))
        If p\id <> localID Then Text ProjectedX(),ProjectedY()-60,p\name,1,1

        Color 255,(255.0/100.0)*p\life,(255.0/100.0)*p\life
        Text ProjectedX(),ProjectedY()-40,p\life,1,1

    Next

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function CreateBullet(id)

    p.player = Object.player(GetPlayer(id))

    b.bullet = New bullet

    b\id = p\id

    b\mesh = CreateSphere(2)
    ScaleEntity b\mesh,0.2,0.2,0.2
    EntityColor b\mesh,255,0,0

    PositionEntity b\mesh,EntityX(p\mesh),EntityY(p\mesh),EntityZ(p\mesh)
    RotateEntity b\mesh,0,EntityYaw(p\mesh),0

    EntityType b\mesh,type_bullet
    EntityRadius b\mesh,0.2

    b\time = MilliSecs()

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function UpdateBullets()

    For b.bullet = Each bullet

        MoveEntity b\mesh,0,0,1

        If CountCollisions(b\mesh)

            If localMode = 2 ; only the server compute bullets collision with player
                If GetEntityType(CollisionEntity(b\mesh,1)) = type_player ; a player is hit

                    touchedPlayer.player = Object.player(EntityName(CollisionEntity(b\mesh,1)))
                    touchedPlayer\life = touchedPlayer\life - 10

                    If touchedPlayer\life > 0 ; touched
                        Net_SendMessage(5,touchedPlayer\life,touchedPlayer\id)
                        Net_SendMessage(5,touchedPlayer\life,touchedPlayer\id,touchedPlayer\id)
                    Else ; killed
                        killerPlayer.player = Object.player(GetPlayer(b\id))
                        Net_SendMessage(6,touchedPlayer\id,killerPlayer\id)
                        Net_SendMessage(6,touchedPlayer\id,killerPlayer\id,killerPlayer\id)
                        NewMessage(killerPlayer\name + " killed " + touchedPlayer\name)
                        ResetPlayer(touchedPlayer\id)
                    EndIf

                EndIf
            EndIf

            FreeEntity b\mesh
            Delete b

        ElseIf MilliSecs()-b\time > 2000

            FreeEntity b\mesh
            Delete b

        EndIf

    Next

End Function

Function UpdateItems ( )

    ;For every Player in the Scene
    For p.player = Each player

        ;For every Item in the Scene
        For i.item = Each item

            TurnEntity i\id, 0, -1.0, 0

            ;Is Item Collision on ?
            If player_item_collisions_on

                ;How many times did the Player hit an Item ?
                itemcollcnt = CountCollisions ( i\id )

                ;Count the amount of collisions between an item
                For collcnt = 1 To itemcollcnt

                    ;Get Collision between Player & Item
                    healthpackcoll = CollisionEntity ( p\mesh, itemcollcnt )

                    ;If there was a collision between Player & Item
                    If GetEntityType ( healthpackcoll ) = type_item

                        ;Get the Touched Item
                        ;touchedItem.item = Object.item(GetItem(i\id))

                        ; If the Player already has Max Health
                        If p\life < 90

                            ; Raise the Player's Health by a Factor
                            p\life = p\life + 10

                                ;Send the Message to the Network
                                Net_SendMessage(5,p\life,p\id,Net_MsgFrom)

                                ; Delete the touched Object from Game
                                FreeEntity i\id

                            ; Remove each touched Item from Memory
                            Delete i

                        ; Otherwise
                        Else

                            ; Do not let the Player get any more Health
                            p\life = 90

                                ;Send the Message to the Network
                                Net_SendMessage(5,p\life,p\id,Net_MsgFrom)

                                ; Delete the touched Object from Game
                                FreeEntity i\id

                            ; Remove each touched Item from Memory
                            Delete i

                        EndIf

                    EndIf

                Next

            Else

                ; Shoot a pick Line from the player straight to Item
                itempicked = LinePick ( EntityX# ( p\mesh, 1 ), EntityY# ( p\mesh, 1 ), EntityZ# ( p\mesh, 1 ), 0.0, 0.0, 1.0 )

                ; If the Player is within the vicinity of an Item, or the Player "sees" the Item
                If EntityDistance ( p\mesh, i\id ) <= 2.0 Or ( EntityDistance ( p\mesh, i\id ) <= 2.0 And itempicked ) Or ( EntityDistance ( p\mesh, i\id ) <= 2.0 And EntityInView ( i\id, camera ) )

                    ; If the Player already has Max Health
                    If p\life < 90

                        ; Raise the Player's Health by a Factor
                        p\life = p\life + 10

                            ;Send the Message to the Network
                            Net_SendMessage(5,p\life,p\id,Net_MsgFrom)

                            ; Delete the touched Object from Game
                            FreeEntity i\id

                        ; Remove Each touched Item from Memory
                        Delete i

                    ; Otherwise
                    Else

                        ; Don't give the Player anymore Health
                        p\life = 90

                            ;Send the Message to the Network
                            Net_SendMessage(5,p\life,p\id,Net_MsgFrom)

                            ; Delete the touched Object from Game
                            FreeEntity i\id

                        ; Remove Each touched Item from Memory
                        Delete i

                    EndIf

                EndIf

            EndIf

        Next

        PositionEntity sky, EntityX# ( p\mesh, 1 ), EntityY# ( p\mesh, 1 ), EntityZ# ( p\mesh, 1 ), 1

    Next

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function NewMessage(msg$)

    messageOffset = messageOffset + 1

    If messageOffset > messageDisplayNumber

        messageOffset = messageOffset - 1

        For i = 2 To messageDisplayNumber
            message(i-1) = message(i)
        Next

        message(messageDisplayNumber) = msg

    Else

        message(messageOffset) = msg

    EndIf

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function DrawMessages()

    Color 255,255,255

    For i1 = 1 To messageOffset

        Text 0,(i1-1)*15,message(i1)

    Next

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function UpdateChat()

    key = GetKey()

    If key
        If key = 13
            If chatMessage <> localName + ": "
                For i = Len(localName + ": ") To Len(chatMessage)
                    If Mid(chatMessage,i,1) <> " "
                        Net_SendMessage(1,chatMessage)
                        NewMessage(chatMessage)
                        Exit
                    EndIf
                Next
            EndIf
            chatMessage = localName + ": "
            chatMode = 0
        ElseIf key = 8 And Len(chatMessage) > Len ( localName + ": " )
            chatMessage = Left(chatMessage,Len(chatMessage)-1)
        ElseIf key > 31 And key < 127
            chatMessage = chatMessage + Chr(key)
        EndIf
    EndIf

    Color 255,255,255
    Rect 0,GraphicsHeight()-20,GraphicsWidth(),20,1

    Color 0,0,0
    Rect 0,GraphicsHeight()-20,GraphicsWidth(),20,0


    If MilliSecs()-chatMillisecs > 500
        chatCursor = Not chatCursor
        chatMillisecs = MilliSecs()
    EndIf

    If chatCursor
        Text 5,GraphicsHeight()-17,chatMessage + "|"
    Else
        Text 5,GraphicsHeight()-17,chatMessage
    EndIf

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function CreateScene()

    texture = TextureCreate(128)

    ground = CreatePlane()
    EntityColor ground,150,150,150
    EntityTexture ground,texture

    cube = CreateCube():EntityColor cube,150,200,150
    ScaleEntity cube,5,5,5:PositionEntity cube,0,5,0
    EntityTexture cube,texture

    sphere = CreateSphere(16):EntityColor sphere,200,150,150
    ScaleEntity sphere,3,1,3:PositionEntity sphere,0,9.7,0

    platform = CreateCube():EntityColor platform,150,150,200
    ScaleEntity platform,3,1,10:PositionEntity platform,0,4.13,-13.15
    TurnEntity platform,-30,0,0
    EntityTexture platform,texture

    FreeTexture texture

    EntityType ground,type_scene:EntityPickMode ground,2
    EntityType cube,type_scene:EntityPickMode cube,2
    EntityType sphere,type_scene:EntityPickMode sphere,2
    EntityType platform,type_scene:EntityPickMode platform,2

    light = CreateLight()
    TurnEntity light,30,70,0

    For x = 1 To maxhealthpacks

        i.item = New item
        i\id = CreateCube()
        i\itemcount = ( maxhealthpacks + 1 )
        PositionEntity i\id, Rnd ( -25, 25 ), 1.001, ( Rnd ( -25, 25 ) )
        EntityPickMode i\id, 2
        EntityType i\id, type_item
        EntityRadius i\id, 1
        EntityColor i\id, 0, ( Rnd ( 64, 255 ) ), ( Rnd ( 64, 255 ) )
        EntityAlpha i\id, ( Rnd ( 0.25, 0.65 ) )

    Next

End Function

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Function TextureCreate(size)
    texture = CreateTexture(size,size,9)
    SetBuffer TextureBuffer(texture)
    Color 255,255,255
    Rect 0,0,size,size,1
    Color 0,0,0
    Rect 0,0,size,size,0
    Line 0,0,size,size
    Line 0,size,size,0
    SetBuffer BackBuffer()
    Return texture
End Function