Update docs for creating custom coils. Fix tooltip on coil energy usage. (#3739)

Author: DilithiumThoride

docs/content/Modpacks/Other-Topics/Custom-Coils.md

@@ -5,6 +5,9 @@ title: Custom Coils
 
 ## Coil Creation
 
+Certain multiblock machines such as the Electric Blast Furnace, Alloy Blast Smelter, Multi-Smelter, Pyrolyze Oven, and 
+Cracker use Heating Coils as part of their structure. The following code is used to define a custom Heating Coil block:
+
 ```js
 StartupEvents.registry('block', event => {
     event.create('infinity_coil_block', 'gtceu:coil')
@@ -20,4 +23,9 @@ StartupEvents.registry('block', event => {
 })
 ```
 
-1. The Energy Discount must be at least 1.
+`temperature`, `level`, `energyDiscount`, and `tier` all must be integers.
+* `temperature`: Used by Electric Blast Furnace recipes.
+* `level`: Used to determine Multi-Smelter Parallels, at 32*level.
+* `energyDiscount`: Used to determine Multi-Smelter power usage. EU/t = (4 * Parallels) / (8 * Discount), before overclocks.
+* `tier`: Used for Speed Bonus in the Pyrolyze Oven, and Energy Discount in the Cracking Unit. +50% Speed, 
+-10% Energy per tier. (Tiers above 10 will not cause the Cracker to consume negative energy.)

src/main/java/com/gregtechceu/gtceu/common/block/CoilBlock.java

@@ -43,7 +43,7 @@ public void appendHoverText(ItemStack stack, @Nullable BlockGetter level, List<C
             tooltip.add(
                     Component.translatable("block.gtceu.wire_coil.tooltip_parallel_smelter", coilType.getLevel() * 32));
             tooltip.add(Component.translatable("block.gtceu.wire_coil.tooltip_energy_smelter",
-                    Math.max(1, 16 / coilType.getEnergyDiscount())));
+                    Math.max(1, (4 * coilType.getLevel() * 32 / (8 * coilType.getEnergyDiscount())))));
             tooltip.add(Component.translatable("block.gtceu.wire_coil.tooltip_pyro"));
             tooltip.add(Component.translatable("block.gtceu.wire_coil.tooltip_speed_pyro",
                     coilTier == 0 ? 75 : 50 * (coilTier + 1)));

src/main/java/com/gregtechceu/gtceu/common/data/GTRecipeModifiers.java

@@ -228,7 +228,7 @@ public class GTRecipeModifiers {
      * <li>Calculates the maximum parallel as {@code 32 × coilLevel}</li>
      * <li>Finds the actual parallel amount that the smelter can do</li>
      * <li>Sets the recipe duration to {@code 128 × 2 × parallels / maxParallels}</li>
-     * <li>Sets the recipe EUt to {@code parallels / (8 × coilDiscount)}</li>
+     * <li>Sets the recipe EUt to {@code 4 × (parallels / (8 × coilDiscount))}</li>
      * <li>Applies {@link OverclockingLogic#NON_PERFECT_OVERCLOCK} to this modified recipe</li>
      * <li>Multiplies the recipe contents by the parallel amount</li>
      * </ol>