Metabolism tweaks / metabolism 4.0 (#5246)

* Metabolism tweaks

* use MetabolismArgs and convert ReagentEntityReactions into ReagentEffects

* fork forgor 💀

* fixes

Resources/Prototypes/Body/Mechanisms/human.yml

@@ -118,6 +118,7 @@
   # This is done because these chemicals need to have some effect even if they aren't being filtered out of your body.
   # You're technically 'immune to poison' without a heart, but.. uhh, you'll have bigger problems on your hands.
   - type: Metabolizer
+    maxReagents: 2
     metabolizerTypes: [Human]
     groups:
     - id: Medicine
@@ -147,6 +148,8 @@
   # TODO: Have it work off of the ent's solution container, and move this
   # to intestines instead.
   - type: Metabolizer
+    # mm yummy
+    maxReagents: 3
     metabolizerTypes: [Human]
     groups:
     - id: Food
@@ -164,6 +167,7 @@
     size: 1
     compatibility: Biological
   - type: Metabolizer # The liver metabolizes certain chemicals only, like alcohol.
+    maxReagents: 1
     metabolizerTypes: [Human]
     groups:
     - id: Alcohol
@@ -182,3 +186,8 @@
   - type: Mechanism
     size: 1
     compatibility: Biological
+  # The kidneys just remove anything that doesn't currently have any metabolisms, as a stopgap.
+  - type: Metabolizer
+    maxReagents: 5
+    metabolizerTypes: [Human]
+    removeEmpty: true