version 0.0.1

tests/engine/ranged.test.ts

@@ -0,0 +1,60 @@
+import { describe, expect, it } from 'vitest';
+import { computeRangedTarget } from '$lib/engine/ranged';
+import { newCharacter } from '$lib/characters/default';
+import type { ExtraModifierId } from '$lib/rules/modifiers-ranged';
+
+const fixedId = '00000000-0000-4000-8000-000000000099';
+
+function charWithBogen(taw: number) {
+	const c = newCharacter({ name: 'Archer', id: fixedId });
+	const kt = c.kampftalente.find((k) => k.id === 'bogen');
+	if (kt) kt.taw = taw;
+	return c;
+}
+
+const baseSel = {
+	range: 'near' as const,
+	/** Zielgröße „groß“ hat Modifikator 0 in den Tabellen */
+	targetSize: 'large' as const,
+	visibility: 'clear' as const,
+	movement: 'slow' as const,
+	extras: [] as ExtraModifierId[],
+	aimTurns: 0,
+	targetBuild: 'biped' as const
+};
+
+describe('ranged', () => {
+	it('computes FK target with zero modifiers', () => {
+		const c = charWithBogen(4);
+		const fkBase = Math.round((11 + 11 + 11) / 4);
+		const r = computeRangedTarget(c, 'shortbow', { ...baseSel, reloadState: undefined }, 'none');
+		expect(r.fkBase).toBe(fkBase);
+		expect(r.baseTarget).toBe(fkBase + 4);
+		expect(r.finalTarget).toBe(fkBase + 4);
+	});
+
+	it('applies distance modifier (mittel = +4 EW)', () => {
+		const c = charWithBogen(0);
+		const r = computeRangedTarget(
+			c,
+			'shortbow',
+			{ ...baseSel, range: 'medium', reloadState: 'regular_shot' },
+			'none'
+		);
+		// +4 Entfernung, +1 normaler Schuss, +0 Zielgröße „groß“
+		expect(r.totalModifier).toBe(5);
+		expect(r.finalTarget).toBe(r.baseTarget - 5);
+	});
+
+	it('halves TaW for aimed shot without expertise', () => {
+		const c = charWithBogen(10);
+		const r = computeRangedTarget(
+			c,
+			'shortbow',
+			{ ...baseSel, reloadState: 'aimed_shot' },
+			'none'
+		);
+		expect(r.effectiveTaW).toBe(5);
+		expect(r.baseTarget).toBe(r.fkBase + 5);
+	});
+});