[Need Help] Unknown Crash on server and client

[gregdwilson]

I've been making a breathe fire action for my character and had it working wonderfully when the player is the server, but when I try and run this as a client both the client and the server crash. The biggest problem is that there are no errors in the log. I tried placing print("Checkpoint1") throughout the code and it seems to be running all of the code before crashing. I've also tried getting ride of portions. It I get rid of the on hit function then it doesn't crash on the server but it crashes on the client and then gives the error

 

Assert failure 'false && "cNetworkConnection::AllocReplica Invalid Prefab"' at ..\source\networklib\NetworkConnection.cpp(121): Trace follows...
 

but nothing follows. Any help or direction would be appreciated.

 

Here is the code for the action. I have no problem running it on the client and if I change the entire function to just make the character say something it works so I know its something to do with the projectiles.

local BREATHEFIRE = AddAction("BREATHEFIRE", "Breathe Fire", function(act)		local target = act.target	local attacker = act.doerif not attacker:HasTag("oncooldown") then	local hunger_percent = act.doer.components.hunger:GetPercent()	local facing_angle = attacker.Transform:GetRotation() * GLOBAL.DEGREES	local targetPos = GLOBAL.Vector3(target.Transform:GetWorldPosition())	local attackerPos = GLOBAL.Vector3(attacker.Transform:GetWorldPosition()) + GLOBAL.Vector3(target.Transform:GetWorldPosition()) + GLOBAL.Vector3(0, 3*hunger_percent, 0 )	local x, y, z = attacker.Transform:GetWorldPosition()	math.randomseed( x*hunger_percent*100 )	local dx = targetPos.x - x    local dz = targetPos.z - z    local rangesq = dx * dx + dz * dz    local maxrange = 20    local speed = easing.linear(rangesq, 15, 4, maxrange * maxrange)	attacker.SoundEmitter:PlaySound("dontstarve/wilson/fireball_explo")	for i = 1, 50, 1 do	local projectile = GLOBAL.CreateEntity()	projectile.entity:AddTransform()    projectile.entity:AddAnimState()    projectile.entity:AddNetwork()	projectile.entity:AddPhysics()		projectile.entity:AddLight()    projectile.Light:Enable(true)	projectile.Light:SetRadius(2.5)	projectile.Light:SetColour(200/255, 50/255, 50/255)    projectile.Light:SetFalloff(.5)    projectile.Light:SetIntensity(0.75)		projectile.AnimState:SetBank("projectile")    projectile.AnimState:SetBuild("staff_projectile")	projectile.AnimState:PlayAnimation("fire_spin_loop", true)    if bloom ~= nil then        projectile.AnimState:SetBloomEffectHandle("shaders/anim.ksh")    end		projectile.entity:SetPristine()	projectile:AddComponent("complexprojectile")	projectile:AddComponent("weapon")    projectile:AddComponent("locomotor")		projectile.entity:SetPristine()		projectile.persists = false			projectile.components.complexprojectile:SetHorizontalSpeed(speed*hunger_percent)    projectile.components.complexprojectile:SetGravity(-10)    projectile.components.complexprojectile:SetLaunchOffset({ x = 0 * math.cos(facing_angle), y = 3*hunger_percent, z = 0 * math.sin(facing_angle) })	projectile.components.complexprojectile:SetTargetOffset({ x = 0, y =0, z = 0 })	projectile.components.complexprojectile.usehigharc = false		projectile.components.complexprojectile.attacker = attacker	projectile.Transform:SetPosition(attacker.Transform:GetWorldPosition())			projectile:AddComponent("groundpounder")	projectile.components.groundpounder.numRings = 2    projectile.components.groundpounder.burner = true    projectile.components.groundpounder.groundpoundfx = "firesplash_fx"    projectile.components.groundpounder.groundpounddamagemult = 2    projectile.components.groundpounder.groundpoundringfx = "firesplash_fx" -- "firering_fx"		projectile.Transform:SetScale(2*hunger_percent,2*hunger_percent,2*hunger_percent)	    projectile.components.complexprojectile:SetOnHit(function(projectile, attacter)		local x, y, z = projectile.Transform:GetWorldPosition()        local ents = TheSim:FindEntities(x, y, z, 3) -- or we could include a flag to the search?        for i, target in ipairs(ents) do            if target ~= attacter and target.entity:IsVisible() then												if target then				if target.components.burnable and not target.components.burnable:IsBurning() then				if target.components.freezable and target.components.freezable:IsFrozen() then           					target.components.freezable:Unfreeze()            				else            					if target.components.fueled and target:HasTag("campfire") and target:HasTag("structure") then						-- Rather than worrying about adding fuel cmp here, just spawn some fuel and immediately feed it to the fire						local fuel = SpawnPrefab("cutgrass")						if fuel then target.components.fueled:TakeFuelItem(fuel) end					else						target.components.burnable:Ignite(true)					end				end   			end			if target.components.freezable then				target.components.freezable:AddColdness(-1) --Does this break ice staff?				if target.components.freezable:IsFrozen() then					target.components.freezable:Unfreeze()            				end			end			if target.components.sleeper and target.components.sleeper:IsAsleep() then				target.components.sleeper:WakeUp()			end			if target.components.combat then				target.components.combat:SuggestTarget(attacker)			end						target:PushEvent("attacked", {attacker = attacker, damage = 0})			end		end	end       	projectile.components.groundpounder:GroundPound()	projectile:Remove()	end)	    projectile.components.complexprojectile:SetOnLaunch(function()		projectile:AddTag("NOCLICK")		projectile.persists = false				projectile.AnimState:PlayAnimation("fire_spin_loop", true)				projectile.Physics:SetMass(1)		projectile.Physics:SetCapsule(0.01, 0.01)		projectile.Physics:SetFriction(0)		projectile.Physics:SetDamping(0)		projectile.Physics:SetCollisionGroup(GLOBAL.COLLISION.CHARACTERS)		projectile.Physics:ClearCollisionMask()		projectile.Physics:CollidesWith(GLOBAL.COLLISION.WORLD)		projectile.Physics:CollidesWith(GLOBAL.COLLISION.OBSTACLES)		projectile.Physics:CollidesWith(GLOBAL.COLLISION.ITEMS)		projectile.Physics:CollidesWith(GLOBAL.COLLISION.CHARACTERS)		projectile.Physics:CollidesWith(GLOBAL.COLLISION.SMALLOBSTACLES)		projectile.Physics:CollidesWith(GLOBAL.COLLISION.GIANTS)		projectile.Physics:CollidesWith(GLOBAL.COLLISION.GROUND)			end)		projectile.components.complexprojectile:Launch(targetPos, attacker)	local pos = projectile.components.complexprojectile.inst:GetPosition()    projectile.components.complexprojectile.owningweapon = owningweapon or projectile.components.complexprojectile	pos.x =  pos.x + 4 * math.cos(facing_angle)*hunger_percent	pos.y = pos.y + 1.5*hunger_percent	pos.z = pos.z - 4 * math.sin(facing_angle)*hunger_percent	projectile.Transform:SetPosition(pos:Get())		targetPos.x = targetPos.x - 1 + 2*math.random()	targetPos.y = targetPos.y - 1 + 2*math.random()	targetPos.z = targetPos.z - 1 + 2*math.random()			projectile.components.complexprojectile:CalculateTrajectory(pos, targetPos, projectile.components.complexprojectile.horizontalSpeed)			if projectile.components.complexprojectile.onlaunchfn ~= nil then        projectile.components.complexprojectile.onlaunchfn(projectile.components.complexprojectile.inst)    end			projectile.components.complexprojectile.inst:StartUpdatingComponent(projectile.components.complexprojectile)	end		attacker:AddTag("oncooldown")	attacker:PushEvent("dragoncast")end		    return true		end)

Sorry if the code is messy, I'm still developing it so I haven't commented it and such. Any help would be appreciated.

[DarkXero]

You are creating an undefined new entity on the go, in an action.

The game has no clue how to allocate resources for the replica generated.

 

You need to set up a projectile prefab and then modify everything you want.

 

I attach an example.

files.zip

[Sarcen]

Looks like you are just creating an entity right there and then, one without a name. It can't network that. You should create a projectile prefab for that. Also anything that comes after the first "projectile.entity:SetPristine()" should probably only be run on the server side (TheWorld.ismastersim)

 

*edit* @DarkXero, you beat me to it

Edited May 12, 2015 by Sarcen

[gregdwilson]

Thank You!!!! That makes sense why the client was giving that error now. I think I might be starting to understand this host client thing now. You can check out the finished mod "Shadow Dragons" on the steam workshop. I'll make sure to mention both of you in the mod. You helped immensely. Thanks again.