New Projectile Effect:Temperature Change (#31004)

* bah

* all done, thanks slarti

* makes the watcher do the thing

* Update TemperatureSystem.cs

Co-authored-by: Ed <96445749+TheShuEd@users.noreply.github.com>

* changes something

---------

Co-authored-by: Ed <96445749+TheShuEd@users.noreply.github.com>

Content.Server/Temperature/Components/ChangeTemperatureOnCollideComponent.cs

@@ -0,0 +1,24 @@
+using Content.Server.Temperature.Systems;
+using Content.Server.Temperature.Components; 
+using Content.Shared.Temperature;
+
+namespace Content.Server.Temperature.Components;
+
+/// <summary>
+/// Put this component on a projectile that you would like to change the temperature on whatever it hits.
+/// </summary>
+[RegisterComponent, Access(typeof(TemperatureSystem))]
+public sealed partial class ChangeTemperatureOnCollideComponent : Component
+{
+    /// <summary>
+    /// The amount it changes the target's temperature by. In Joules.
+    /// </summary>
+    [DataField]
+    public float Heat = 0f;
+
+    /// <summary>
+    /// If this heat change ignores heat resistance or not.
+    /// </summary>
+    [DataField]
+    public bool IgnoreHeatResistance = true;
+}