Developing a Battle System (discussion)

Quote:Since datablocks are static, how does a changing value happen? Where do I keep track of the change?

Quote:If I want 10 different crossbow projectile types, its not so bad. But if I want a hundred different types, it gets kinda messy.

datablock ProjectileData(CrossbowProjectile)
{
   shapeFile = "shape";
   mass = 5;
   something = 1;
   somethingElse = 3;
   damage = 10;
};

datablock ProjectileData(SuperCrossbowProjectile : CrossbowProjectile)
{
   //All the data from CrossbowProjectile is put in here automatically
   //so we don't need to add it
   //But we want different damage, so overwrite it
   damage = 20;
};

Quote:
Like I mentioned, store it in the Player object. If you want to be able to save your level and come back to it after closing the engine, you'll need to look at writing save files with the relevant character data.

Quote:If you can't alter a datablock, I still don't see how you affect the projectile without creating a datablock for every possible permutation of attribute and experience value.

function CrossbowImage::onFire(%this, %obj, %slot)
//Note: %this is the ShapeBaseImageData, %obj is the Player
{
   %projectile = %this.projectile;

   //blah blah...

   // Create the projectile object
   %p = new Projectile() {
      dataBlock        = %projectile;
      initialVelocity  = %muzzleVelocity;
      initialPosition  = %obj.getMuzzlePoint(%slot);
      sourceObject     = %obj;
      sourceSlot       = %slot;
      client           = %obj.client;
      //// **********
      dynamicDamage = %obj.experience; //Add this!!
      //// **********
   };
   MissionCleanup.add(%p);
   return %p;
}

function CrossbowProjectile::onCollision(%this,%obj,%col,%fade,%pos,%normal)
//%this is the ProjectileData, %obj is the Projectile
{
   // Apply damage to the object all shape base objects
   //*******
   //Apply dynamic damage
   %damage = %this.directDamage + %obj.dynamicDamage;
   if (%col.getType() & $TypeMasks::ShapeBaseObjectType)
      %col.damage(%obj,%pos,%damage,"CrossbowBolt");
   //*******

   // Radius damage is a support scripts defined in radiusDamage.cs
   // Push the contact point away from the contact surface slightly
   // along the contact normal to derive the explosion center. -dbs
   radiusDamage(%obj, %pos, %this.damageRadius, %this.radiusDamage, "Radius", %this.areaImpulse);
}

%objID.myNewMember = 2;

Quote:Important: Dynamic fields aren't networked. No additional traffic.

new ActionMap(myActionMap);
myActionMap.bind(mouse0, button0, Weapfire );

function Weapfire(%val)
{
   if (%val)
   {
      echo("Mouse Button Press");
      commandToServer('StartFiring');
   } 
   else
   {
      echo("Mouse Button Release");
      commandToServer('StopFiring');
   }
}

function serverCmdStartFiring(%clientConn)
{
   Fire(%clientConn);
}

function Fire(%clientConn)
{
   echo("Starting: Create Projectile");
   %projectile = DBprojectile; // the datablock of the projectile
   %obj = %clientConn.player;
   %muzzleVector = %obj.getMuzzleVector(0);
   %objectVelocity = %obj.getVelocity();
   
   %muzzleVelocity = VectorAdd(
      VectorScale(%muzzleVector, %projectile.muzzleVelocity),
      VectorScale(%objectVelocity, %projectile.velInheritFactor));
      
   %p = new Projectile() 
   {
      dataBlock        = %projectile;
      initialVelocity  = %muzzleVelocity;   
      initialPosition  = %obj.getMuzzlePoint(0);
      sourceObject     = %obj;
      sourceSlot = 0;
   };
   
   MissionGroup.add(%p);
   $schedID_WeaponFire = schedule(100,0,Fire,%clientConn); 
   // shooting frequency = 100 ms ( 10 projectiles / second )
}

function serverCmdStopFiring(%clientConn)
{
   echo("Stop: Create Projectile");
   cancel($schedID_WeaponFire);
}

Quote:Does that mean it requires a commandToServer call from a function? That would increase network traffic, right?

Quote:3. As property (known as dynamic field) of a object.
This is another kind of global variable.

Quote:The two script folders 'server' and 'client' show you the differences between what server and client scripts handle.

Quote:
If I use new in a function to create a new SuperCrossbow with a certain dynamic variable, but some AI spawn with a SuperCrossbow that has different dynamic variables, does the creation of a NEW SuperCrossbow override the existing... Nevermind. If they have different dynamic variables, then they would be SuperCrossbow1, SuperCrossbow2,... Different types, so different datablocks to begin with...

function CreateProjectile(%x, %y, %z)
{
   %p = new Projectile()
   {
      datablock = blub_blub;
      damage_OnAI_Soldier = %x;
      damage_OnAI_Alien = %y;
      damage_OnAI_Mummy = %z;
   }
   MissionGroup.add(%p);
}

CreateProjectile(30,50,40);
CreateProjectile(10,30,80);
CreateProjectile(70,20,10);

function CreateProjectile(%x, %y, %z)
{
   %p = new Projectile()
   {
      datablock = blub_blub;
      damage_OnAI_Soldier = %x;
      damage_OnAI_Alien = %y;
      damage_OnAI_Mummy = %z;
   }
   MissionGroup.add(%p);
}

CreateProjectile(30,50,40);   
CreateProjectile(10,30,80);   
CreateProjectile(70,20,10);

Quote:3. As property (known as dynamic field) of a object.
This is another kind of global variable.

%p = new Projectile() {   
      dataBlock        = %projectile;   
      initialVelocity  = %muzzleVelocity;   
      initialPosition  = %obj.getMuzzlePoint(%slot);   
      sourceObject     = %obj;   
      sourceSlot       = %slot;   
      client           = %obj.client;   
      //// **********   
      dynamicDamage = %obj.experience; //Add this!!   
      //// **********   
   };