From e9c40d949552b9f789f2f5a8322c33cc3bed860a Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno@eressea.de>
Date: Fri, 4 Oct 2002 21:37:35 +0000
Subject: [PATCH] Some finetuning to the combat changes (better weapon
 selection)

---
 src/common/kernel/battle.c       | 54 +++++++++++++++++---------------
 src/common/kernel/battle.h       |  1 -
 src/common/kernel/combatspells.c |  5 ++-
 3 files changed, 30 insertions(+), 30 deletions(-)

diff --git a/src/common/kernel/battle.c b/src/common/kernel/battle.c
index a52dc123a..7507630d9 100644
--- a/src/common/kernel/battle.c
+++ b/src/common/kernel/battle.c
@@ -630,30 +630,38 @@ riding(const troop t) {
 }
 
 static weapon *
-select_weapon(const troop t, boolean attacking, boolean missile)
-	/* select the primary weapon for this trooper */
+preferred_weapon(const troop t, boolean attacking)
 {
-	weapon * weapon = NULL;
-
-
+	weapon * missile = t.fighter->person[t.index].missile;
+	weapon * melee = t.fighter->person[t.index].melee;
 	if (attacking) {
-		if (!missile) {
-			/* try your best weapon if it's melee */
-			weapon = t.fighter->person[t.index].preferred;
-		} else {
-			/* from the back rows, use your missile weapon */
-			weapon = t.fighter->person[t.index].missile;
+		if (melee==NULL || (missile && missile->attackskill>melee->attackskill)) {
+			return missile;
 		}
 	} else {
-		if (!missile) {
-			/* have to use your melee weapon if it's melee */
-			weapon = t.fighter->person[t.index].melee;
-		} else {
-			/* from the back rows, use your best skill */
-			weapon = t.fighter->person[t.index].preferred;
+		if (melee==NULL || (missile && missile->defenseskill>melee->defenseskill)) {
+			return missile;
 		}
 	}
-	return weapon;
+	return melee;
+}
+
+static weapon *
+select_weapon(const troop t, boolean attacking, boolean ismissile)
+	/* select the primary weapon for this trooper */
+{
+	if (attacking) {
+		if (ismissile) {
+			/* from the back rows, have to use your missile weapon */
+			return t.fighter->person[t.index].missile;
+		}
+	} else {
+		if (!ismissile) {
+			/* have to use your melee weapon if it's melee */
+			return t.fighter->person[t.index].melee;
+		}
+	}
+	return preferred_weapon(t, attacking);
 }
 
 /* ------------------------------------------------------------- */
@@ -1923,8 +1931,8 @@ attack(battle *b, troop ta, const att *a)
 			 * konventionell weiter */
 			do_combatspell(ta, row);
 		} else {
-			weapon * wp = ta.fighter->person[ta.index].preferred;
-			if (row!=FIGHT_ROW) wp = ta.fighter->person[ta.index].missile;
+			weapon * wp = ta.fighter->person[ta.index].missile;
+			if (row==FIGHT_ROW) wp = preferred_weapon(ta, true);
 			/* Sonderbehandlungen */
 
 			if (getreload(ta)) {
@@ -2877,7 +2885,6 @@ make_fighter(battle * b, unit * u, boolean attack)
 			if (weapon_weight(fig->weapons+owp[oi], false)<=wpless) {
 				continue; /* we fight better with bare hands */
 			}
-			fig->person[i].preferred = fig->person[i].melee = &fig->weapons[owp[oi]];
 			++fig->weapons[owp[oi]].used;
 		}
 		/* hand out missile weapons (from back to front, in case of mixed troops). */
@@ -2890,11 +2897,6 @@ make_fighter(battle * b, unit * u, boolean attack)
 				fig->person[i].missile = &fig->weapons[dwp[di]];
 				++fig->weapons[dwp[di]].used;
 			}
-			if (fig->person[i].missile && (fig->person[i].melee==NULL ||
-				weapon_weight(fig->person[i].missile, true) > 
-				weapon_weight(fig->person[i].melee, false))) {
-				fig->person[i].preferred = fig->person[i].missile;
-			}
 		}
 	}
 
diff --git a/src/common/kernel/battle.h b/src/common/kernel/battle.h
index 720fdee5d..2c0327b27 100644
--- a/src/common/kernel/battle.h
+++ b/src/common/kernel/battle.h
@@ -157,7 +157,6 @@ typedef struct fighter {
 		int reload      : 4;    /* Anzahl Runden, die die Waffe x noch laden muss.
 		                         * dahinter steckt ein array[RL_MAX] wenn er min. eine hat. */
 		int last_action : 8;		/* In welcher Runde haben wir zuletzt etwas getan */
-		struct weapon * preferred; /* weapon with best skill */
 		struct weapon * missile;   /* missile weapon */
 		struct weapon * melee;     /* melee weapon */
 	} * person;
diff --git a/src/common/kernel/combatspells.c b/src/common/kernel/combatspells.c
index f8b95b8fc..90def6e6d 100644
--- a/src/common/kernel/combatspells.c
+++ b/src/common/kernel/combatspells.c
@@ -335,14 +335,12 @@ sp_combatrosthauch(fighter * fi, int level, int power, spell * sp)
 						i_change(&df->unit->items, wp->type->itype, -n);
 						for (p=0;n && p!=df->unit->number;++p) {
 							if (df->person[p].missile==wp) {
-								df->person[p].preferred = df->person[p].melee;
 								df->person[p].missile = NULL;
 								--n;
 							}
 						}
 						for (p=0;n && p!=df->unit->number;++p) {
 							if (df->person[p].melee==wp) {
-								df->person[p].preferred = df->person[p].missile;
 								df->person[p].melee = NULL;
 								--n;
 							}
@@ -1286,7 +1284,8 @@ sp_windshield(fighter * fi, int level, int power, spell * sp)
 			break;
 		assert(!helping(fi->side, df->side));
 
-		if (df->person[dt.index].preferred && df->person[dt.index].preferred==df->person[dt.index].missile) {
+		if (df->person[dt.index].missile) {
+			/* this suxx... affects your melee weapon as well. */
 			df->person[dt.index].attack -= at_malus;
 			--force;
 		}