From: Lukas Krickl <lukas@krickl.dev>
Date: Sat, 20 Dec 2025 18:07:02 +0000 (+0100)
Subject: attr: added stub for attack damage calculation
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=a73b87abdb665257e1f829247b038202a0607b00;p=gbrg%2F.git

attr: added stub for attack damage calculation
---

diff --git a/src/attributes.s b/src/attributes.s
index 2f84a9a..f21a301 100644
--- a/src/attributes.s
+++ b/src/attributes.s
@@ -10,3 +10,35 @@ attrdef 0, 0, 0, 0, 0, 0
 
 attr_bat:
 attrdef 1, 0, 0, 1, 0, 0
+	
+	; gets strength attribute
+	; of a given actor
+	; inputs:
+	;		de: actor
+	;	returns:
+	;		a: attribute value + item bounus + buffs - debuffs
+attr_get_str:
+	ret
+	
+	; calculates the attack damage
+	; of a given actor
+	; inputs:
+	;		de: actor
+	;	returns:
+	;		a: damage value
+attr_attack_damage:
+	ld hl, act_weapon
+	add hl, de
+	ld a, [hl] ; load weapon type
+	cp a, 0 ; if 0 -> unarmed
+	jp z, @unarmed
+	ret
+
+@unarmed:
+	; unarmed is just strength / 2
+	call attr_get_str
+	sla a ; divide by 2
+	cp a, 0 ; damage should at least be 1!
+	ret nz
+	ld a, 1 ; ensure it is at least 1!
+	ret