Flammable Items, Abstractness, and hypnosis (#19267)

* Laser Eyes

* Update dna.dm

* Mecha

* Update positive_genes.dm

* These

* These 2

* yeh

* Rest of these

* Update turf.dm

* Update food.dm

* Some moar

* mooove

* Update vorestation.dme

* Update burning.dm

* firesuit

* flags

* HYPNOCOLOR

* xd

* no filter

* dc

* Update ore_bag.dm

* Update misc.dm

* Update misc.dm

code/__defines/combat.dm

@@ -0,0 +1,28 @@
+//We will round to this value in damage calculations.
+#define DAMAGE_PRECISION 0.1
+
+//Damage flag defines //
+
+/// Involves corrosive substances.
+#define ACID "acid"
+/// Involved in checking whether a disease can infect or spread. Also involved in xeno neurotoxin.
+#define BIO "bio"
+/// Involves a shockwave, usually from an explosion.
+#define BOMB "bomb"
+/// Involves a solid projectile.
+#define BULLET "bullet"
+/// Involves being eaten
+#define CONSUME "consume"
+/// Involves an EMP or energy-based projectile.
+#define ENERGY "energy"
+/// Involves fire or temperature extremes.
+#define FIRE "fire"
+/// Involves a laser.
+#define LASER "laser"
+/// Involves a melee attack or a thrown object.
+#define MELEE "melee"
+/// Involved in checking the likelihood of applying a wound to a mob.
+#define WOUND "wound"
+
+/// Calculates the new armour value after armour penetration. Can return negative values, and those must be caught.
+#define PENETRATE_ARMOUR(armour, penetration) (penetration >= 100 ? 0 : 100 * (armour - penetration) / (100 - penetration))