diff --git a/design doc.docx b/design doc.docx
index d231638..31fb0e0 100644
Binary files a/design doc.docx and b/design doc.docx differ
diff --git a/misc/combat damage.lua b/misc/combat damage.lua
new file mode 100644
index 0000000..aabc313
--- /dev/null
+++ b/misc/combat damage.lua	
@@ -0,0 +1,70 @@
+--enumeration
+hitType = { MISS = 1, HIT = 2, CRITICAL = 3 }
+attackType = { PHYSICAL = 1, MAGICAL = 2 }
+
+function MakeChar()
+	local t = {}
+	t.MaxHP = 100
+	t.HP = t.MaxHP
+	t.MaxMP = 100
+	t.MP = t.MaxMP
+	t.attack = 10
+	t.defence = 10
+	t.intelligence = 10
+	t.resistance = 10
+	t.accuracy = 0.1
+	t.evasion = 0.1
+	t.luck = 0.1
+	t.level = 1
+	return t
+end
+
+function CheckHit(A, D)
+	local RNG = math.random(100)
+	local hitRate = A.accuracy - A.accuracy * D.evasion
+
+	if RNG <= hitRate * A.luck then
+		return hitType.CRITICAL
+	end
+	if RNG <= hitRate then
+		return hitType.HIT
+	end
+	return hitType.MISS
+end
+
+function CalcDamage(A, D, t)
+--	if t == attackType.PHYSICAL then
+		return math.max(1, ( A.attack*3 + A.attack*(math.random(A.luck*100)/10) ) - (D.defence + D.defence*D.evasion))
+--	end
+--	if t == attackType.MAGICAL then
+--		--??
+--	end
+--	--wtf?
+end
+
+A = MakeChar()
+D = MakeChar()
+
+dump = io.open("dump.txt", "w")
+
+--top
+dump:write("\t\t")
+for i = 10, 100, 10 do
+	dump:write(i, "\t")
+end
+dump:write("\n\n")
+
+--lines
+for j = 10, 100, 10 do
+	dump:write(j, "\t\t")
+	for i = 10, 100, 10 do
+		A.attack = i
+		D.defence = j
+		dump:write(CalcDamage(A, D, 0), "\t")
+	end
+	dump:write("\n")
+end
+
+--bottom
+dump:write("\n")
+dump:close()
\ No newline at end of file