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army.cpp
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// START A3HEADER
//
// This source file is part of the Atlantis PBM game program.
// Copyright (C) 1995-1999 Geoff Dunbar
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program, in the file license.txt. If not, write
// to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
// See the Atlantis Project web page for details:
// http://www.prankster.com/project
//
// END A3HEADER
#include "army.h"
#include "aregion.h"
#include "battle.h"
#include "faction.h"
#include "gameio.h"
#include "gamedata.h"
#include "gamedefs.h"
#include "object.h"
#include "unit.h"
#include <cstdlib>
//----------------------------------------------------------------------------
int pow(int b, int p)
{
int b2 = b;
for (int i = 1; i < p; ++i)
{
b2 *= b;
}
return b2;
}
int Hits(int a, int d)
{
int tohit = 1, tomiss = 1;
if (Globals->LINEAR_COMBAT) {
tohit = a;
tomiss = d;
// make sure values are at least 1
if (tohit < 1)
{
tomiss += abs(tohit) + 1;
tohit = 1;
}
if (tomiss < 1)
{
tohit += abs(tomiss) + 1;
tomiss = 1;
}
}
// Default to power of 2 combat
else {
if (a > d)
{
tohit = pow(2, a - d);
}
else if (d > a)
{
tomiss = pow(2, d - a);
}
}
return (getrandom(tohit+tomiss) < tohit) ? 1 : 0;
}
//----------------------------------------------------------------------------
enum
{
WIN_NO_DEAD,
WIN_DEAD,
LOSS
};
Soldier::Soldier(Unit *u, Object *o, int regtype, int r, int ass)
{
race = r;
unit = u;
building = 0;
healing = 0;
healtype = 0;
healitem = -1;
canbehealed = 1;
regen = 0;
armor = -1;
riding = -1;
weapon = -1;
attacks = 1;
attacktype = ATTACK_COMBAT;
special = -1;
slevel = 0;
askill = 0;
dskill[ATTACK_COMBAT] = 0;
dskill[ATTACK_ENERGY] = -2;
dskill[ATTACK_SPIRIT] = -2;
dskill[ATTACK_WEATHER] = -2;
dskill[ATTACK_RIDING] = 0;
dskill[ATTACK_RANGED] = 0;
damage = 0;
hits = 1;
maxhits = 1;
amuletofi = 0;
battleItems = 0;
effects = 0;
// Building bonus
if (o->capacity)
{
building = o->type;
for (int i = 0; i < NUM_ATTACK_TYPES; ++i)
{
dskill[i] += 2;
}
if (o->runes)
{
dskill[ATTACK_ENERGY] = o->runes;
dskill[ATTACK_SPIRIT] = o->runes;
}
o->capacity--;
}
if (ItemDefs[r].type & IT_MAN)
{
const int man = ItemDefs[r].index;
hits = ManDefs[man].hits;
if (hits < 1) hits = 1;
maxhits = hits;
}
// Is this a monster?
else if (ItemDefs[r].type & IT_MONSTER)
{
const int mon = ItemDefs[r].index;
const MonType &mon_def = MonDefs[mon];
if (u->type == U_WMON)
name = AString(mon_def.name) + " in " + *(unit->name);
else
name = AString(mon_def.name) + AString(" controlled by ") + *(unit->name);
askill = mon_def.attackLevel;
dskill[ATTACK_COMBAT] += mon_def.defense[ATTACK_COMBAT];
if (mon_def.defense[ATTACK_ENERGY] > dskill[ATTACK_ENERGY])
{
dskill[ATTACK_ENERGY] = mon_def.defense[ATTACK_ENERGY];
}
if (mon_def.defense[ATTACK_SPIRIT] > dskill[ATTACK_SPIRIT])
{
dskill[ATTACK_SPIRIT] = mon_def.defense[ATTACK_SPIRIT];
}
if (mon_def.defense[ATTACK_WEATHER] > dskill[ATTACK_WEATHER])
{
dskill[ATTACK_WEATHER] = mon_def.defense[ATTACK_WEATHER];
}
dskill[ATTACK_RIDING] += mon_def.defense[ATTACK_RIDING];
dskill[ATTACK_RANGED] += mon_def.defense[ATTACK_RANGED];
damage = 0;
hits = mon_def.hits;
if (hits < 1)
hits = 1;
maxhits = hits;
attacks = mon_def.numAttacks;
if (!attacks)
attacks = 1;
special = mon_def.special;
slevel = mon_def.specialLevel;
if (Globals->MONSTER_BATTLE_REGEN)
{
regen = mon_def.regen;
if (regen < 0)
regen = 0;
}
return;
}
name = *(unit->name);
SetupHealing();
SetupSpell();
SetupCombatItems();
// set up armor
int i;
for (i = 0; i < MAX_READY; ++i)
{
// check preferred armor first
int item = unit->readyArmor[i];
if (item == -1)
break;
const int armorType = ItemDefs[item].index;
item = unit->GetArmor(armorType, ass);
if (item != -1)
{
armor = item;
break;
}
}
// look for a default armor
if (armor == -1)
{
for (int armorType = 1; armorType < NUMARMORS; ++armorType)
{
const int item = unit->GetArmor(armorType, ass);
if (item != -1)
{
armor = item;
break;
}
}
}
// check if this unit is mounted
const int terrainflags = TerrainDefs[regtype].flags;
const int canFly = (terrainflags & TerrainType::FLYINGMOUNTS);
const int canRide = (terrainflags & TerrainType::RIDINGMOUNTS);
int ridingBonus = 0;
if (canFly || canRide)
{
// mounts of some type _are_ allowed in this region
for (int mountType = 1; mountType < NUMMOUNTS; ++mountType)
{
const int item = unit->GetMount(mountType, canFly, canRide, ridingBonus);
if (item == -1)
continue;
// defer adding the combat bonus until we know if the weapon allows it
riding = item;
// defense bonus for riding can be added now however
dskill[ATTACK_RIDING] += ridingBonus;
break;
}
}
// find the correct weapon for this soldier
int attackBonus = 0;
int defenseBonus = 0;
int numAttacks = 1;
//--- check the preferred weapon first
for (i = 0; i < MAX_READY; ++i)
{
int item = unit->readyWeapon[i];
if (item == -1)
break;
const int weaponType = ItemDefs[item].index;
item = unit->GetWeapon(weaponType, riding, ridingBonus, attackBonus, defenseBonus, numAttacks);
if (item != -1)
{
weapon = item;
break;
}
}
//--- equip a default weapon
if (weapon == -1)
{
for (int weaponType = 1; weaponType < NUMWEAPONS; ++weaponType)
{
const int item = unit->GetWeapon(weaponType, riding, ridingBonus, attackBonus, defenseBonus, numAttacks);
if (item != -1)
{
weapon = item;
break;
}
}
}
// if we did not get a weapon
if (weapon == -1)
{
// set attack and defense bonuses to
// combat skill (and riding bonus if applicable)
attackBonus = unit->GetSkill(S_COMBAT) + ridingBonus;
defenseBonus = attackBonus;
numAttacks = 1;
}
else // got a weapon
{
// if it has a special and don't have a special
if ((ItemDefs[weapon].type & IT_BATTLE) && special == -1)
{
// use that special
// (Weapons (like Runeswords) which are both weapons and battle items
// will be skipped in the battle items setup and handled here)
special = BattleItemDefs[ItemDefs[weapon].battleindex].index;
slevel = BattleItemDefs[ItemDefs[weapon].battleindex].skillLevel;
}
}
unit->Practise(S_COMBAT);
if (ridingBonus)
unit->Practise(S_RIDING);
// set the attack and defense skills
// (will include the riding bonus if they should be included)
askill += attackBonus;
dskill[ATTACK_COMBAT] += defenseBonus;
attacks = numAttacks;
}
void Soldier::SetupSpell()
{
if (unit->type != U_MAGE && unit->type != U_GUARDMAGE)
return;
// check for combat spell
if (unit->combat == -1)
return;
slevel = unit->GetSkill(unit->combat);
if (!slevel)
{
// can't cast this spell!
unit->combat = -1;
return;
}
SkillType *pST = &SkillDefs[ unit->combat ];
if (!(pST->flags & SkillType::COMBAT))
{
// not a combat spell!
unit->combat = -1;
return;
}
special = pST->special;
unit->Practise(unit->combat);
}
void Soldier::SetupCombatItems()
{
for (int battleType = 1; battleType < NUMBATTLEITEMS; ++battleType)
{
const BattleItemType *const pBat = &BattleItemDefs[ battleType ];
const int item = unit->GetBattleItem(battleType);
if (item == -1)
continue;
// if:
// prepare command disabled or
// prepare optional and no prepared item or
// this is the prepared item or
// item is a shield (no prepare needed)
if (!Globals->USE_PREPARE_COMMAND ||
(Globals->USE_PREPARE_COMMAND == GameDefs::PREPARE_NORMAL &&
unit->readyItem == -1) ||
pBat->itemNum == unit->readyItem ||
(pBat->flags & BattleItemType::SHIELD))
{
// if item is special and unit already has a special
if ((pBat->flags & BattleItemType::SPECIAL) && special != -1)
{
// give item back as they aren't going to use it
unit->items.SetNum(item, unit->items.GetNum(item)+1);
continue;
}
// if only mages/apprentices can use this item
if ((pBat->flags & BattleItemType::MAGEONLY) &&
unit->type != U_MAGE && unit->type != U_GUARDMAGE &&
unit->type != U_APPRENTICE)
{
// give item back as they aren't going to use it
unit->items.SetNum(item, unit->items.GetNum(item)+1);
continue;
}
// make sure amulets of invulnerability are marked
if (item == I_AMULETOFI)
{
amuletofi = 1;
}
SET_BIT(battleItems, battleType);
if (pBat->flags & BattleItemType::SPECIAL)
{
special = pBat->index;
slevel = pBat->skillLevel;
}
if (pBat->flags & BattleItemType::SHIELD)
{
const SpecialType *const sp = &SpecialDefs[pBat->index];
// if shield item with no shield FX
if (!(sp->effectflags & SpecialType::FX_SHIELD))
{
continue;
}
for (int i = 0; i < 4; ++i)
{
if (sp->shield[i] == NUM_ATTACK_TYPES)
{
for (int j = 0; j < NUM_ATTACK_TYPES; ++j)
{
if (dskill[j] < pBat->skillLevel)
dskill[j] = pBat->skillLevel;
}
}
else if (sp->shield[i] >= 0)
{
if (dskill[sp->shield[i]] < pBat->skillLevel)
dskill[sp->shield[i]] = pBat->skillLevel;
}
}
}
}
else // using prepared items and this item is NOT the one we have prepared
{
// give it back to the unit as they won't use it
unit->items.SetNum(item, unit->items.GetNum(item)+1);
}
}
}
int Soldier::HasEffect(int eff) const
{
if (eff < 0)
return 0;
const int n = 1 << eff;
return (effects & n);
}
void Soldier::SetEffect(int eff)
{
if (eff < 0)
return;
const EffectType *const e = &EffectDefs[eff];
askill += e->attackVal;
for (int i = 0; i < 4; ++i)
{
if (e->defMods[i].type != -1)
{
dskill[e->defMods[i].type] += e->defMods[i].val;
}
}
if (e->cancelEffect != -1)
{
ClearEffect(e->cancelEffect);
}
if (!(e->flags & EffectType::EFF_NOSET))
{
const int n = 1 << eff;
effects |= n;
}
}
void Soldier::ClearEffect(int eff)
{
if (eff < 0)
return;
const EffectType *const e = &EffectDefs[eff];
askill -= e->attackVal;
for (int i = 0; i < 4; ++i)
{
if (e->defMods[i].type != -1)
{
dskill[e->defMods[i].type] -= e->defMods[i].val;
}
}
const int n = 1 << eff;
effects &= ~n;
}
void Soldier::ClearOneTimeEffects()
{
for (int i = 0; i < NUMEFFECTS; ++i)
{
if (HasEffect(i) && (EffectDefs[i].flags & EffectType::EFF_ONESHOT))
ClearEffect(i);
}
}
int Soldier::ArmorProtect(int weaponClass) const
{
int armorType = ARMOR_NONE;
if (armor > 0)
armorType = ItemDefs[armor].index;
if (armorType < ARMOR_NONE || armorType >= NUMARMORS)
armorType = ARMOR_NONE;
const ArmorType *const pArm = &ArmorDefs[armorType];
const int chance = pArm->saves[weaponClass];
if (chance <= 0)
return 0;
return (chance > getrandom(pArm->from)) ? 1 : 0;
}
void Soldier::RestoreItems()
{
// give back healing items
if (healing && healitem != -1)
{
if (healitem == I_HERBS)
{
unit->items.SetNum(healitem,
unit->items.GetNum(healitem) + healing);
}
else if (healitem == I_HEALPOTION)
{
unit->items.SetNum(healitem,
unit->items.GetNum(healitem)+healing/10);
}
}
if (weapon != -1)
unit->items.SetNum(weapon, unit->items.GetNum(weapon) + 1);
if (armor != -1)
unit->items.SetNum(armor, unit->items.GetNum(armor) + 1);
if (riding != -1)
unit->items.SetNum(riding, unit->items.GetNum(riding) + 1);
for (int battleType = 1; battleType < NUMBATTLEITEMS; ++battleType)
{
const BattleItemType *const pBat = &BattleItemDefs[ battleType ];
if (GET_BIT(battleItems, battleType))
{
const int item = pBat->itemNum;
unit->items.SetNum(item, unit->items.GetNum(item) + 1);
}
}
}
void Soldier::Alive(int state)
{
RestoreItems();
if (state == LOSS)
{
unit->canattack = 0;
// guards with amuletofi will not go off guard
if (!amuletofi &&
(unit->guard == GUARD_GUARD || unit->guard == GUARD_SET))
{
unit->guard = GUARD_NONE;
}
}
else
{
unit->advancefrom = 0;
}
if (state == WIN_DEAD)
{
unit->canattack = 0;
unit->nomove = 1;
}
}
void Soldier::Dead()
{
RestoreItems();
unit->SetMen(race, unit->GetMen(race) - 1);
}
//----------------------------------------------------------------------------
Army::Army(Unit *ldr, AList *locs, int regtype, int ass)
{
for (unsigned i = 0; i < 6; ++i)
{
kills_from[i] = 0;
hits_from[i] = 0;
}
int tacspell = 0;
Unit *tactitian = ldr;
leader = ldr;
round = 0;
tac = ldr->GetSkill(S_TACTICS);
count = 0;
hitstotal = 0;
if (ass)
{
count = 1;
ldr->losses = 0;
}
else
{
forlist(locs)
{
Unit *u = ((Location*)elem)->unit;
count += u->GetSoldiers();
u->losses = 0;
int temp = u->GetSkill(S_TACTICS);
if (temp > tac)
{
tac = temp;
tactitian = u;
}
}
}
tactitian->Practise(S_TACTICS);
soldiers = new SoldierPtr[count];
int x = 0;
int y = count;
forlist(locs)
{
Unit *u = ((Location*)elem)->unit;
Object *obj = ((Location*)elem)->obj;
if (ass)
{
forlist(&u->items)
{
Item *it = (Item*)elem;
if (!it)
continue;
if (ItemDefs[ it->type ].type & IT_MAN)
{
soldiers[x] = new Soldier(u, obj, regtype, it->type, ass);
hitstotal = soldiers[x]->hits;
++x;
goto finished_army; // done
}
}
}
else
{
Item *it = (Item*)u->items.First();
do
{
if (IsSoldier(it->type))
{
for (int i = 0; i < it->num; ++i)
{
// if behind
if ((ItemDefs[ it->type ].type & IT_MAN) &&
u->GetFlag(FLAG_BEHIND))
{
--y;
soldiers[y] = new Soldier(u, obj, regtype, it->type);
hitstotal += soldiers[y]->hits;
}
else
{
soldiers[x] = new Soldier(u, obj, regtype, it->type);
hitstotal += soldiers[x]->hits;
++x;
}
}
}
it = (Item*)u->items.Next(it);
} while (it);
}
}
finished_army:
tac = tac + tacspell;
canfront = x;
canbehind = count;
notfront = count;
notbehind = count;
hitsalive = hitstotal;
if (!NumFront())
{
canfront = canbehind;
notfront = notbehind;
}
}
Army::~Army()
{
for (int i = 0; i < count; ++i)
{
delete soldiers[i];
soldiers[i] = NULL;
}
delete[] soldiers;
}
void Army::Reset()
{
canfront = notfront;
canbehind = notbehind;
notfront = notbehind;
}
void Army::endRound(Battle *b)
{
bool had_losses = false;
const char *attack_type_str[6] =
{
"melee",
"cavalry",
"ranged",
"energy",
"weather",
"spirit"
};
for (unsigned i = 0; i < 6; ++i)
{
if (hits_from[i] || kills_from[i])
{
b->AddLine(*(leader->faction->name) + " takes " + hits_from[i] + " hits from " +
attack_type_str[i] + " attacks, resulting in " + kills_from[i] + " losses."
);
if (kills_from[i])
had_losses = true;
hits_from[i] = 0;
kills_from[i] = 0;
}
}
if (!had_losses)
b->AddLine(*(leader->faction->name) + " loses 0.");
}
void Army::WriteLosses(Battle *b)
{
const int num_lost = count - NumAlive();
b->AddLine(*(leader->faction->name) + " loses " + num_lost + ".");
if (num_lost == 0)
return; // no losses
AList damaged_units; // tmp unit list
AList destroyed_units; // tmp unit list
for (int i = notbehind; i < count; ++i)
{
Unit *u = soldiers[i]->unit;
if (u->IsAlive())
{
if (!GetUnitList(&damaged_units, u))
{
UnitPtr *u = new UnitPtr;
u->ptr = soldiers[i]->unit;
damaged_units.Add(u);
}
}
else
{
if (!GetUnitList(&destroyed_units, u))
{
UnitPtr *u = new UnitPtr;
u->ptr = soldiers[i]->unit;
destroyed_units.Add(u);
}
}
}
if (damaged_units.size() > 0)
{
b->AddLine("Damaged units:");
forlist(&damaged_units)
{
UnitPtr *u = (UnitPtr*)elem;
b->AddLine(AString(" ") + *u->ptr->name);
}
damaged_units.DeleteAll();
}
if (destroyed_units.size() > 0)
{
b->AddLine("Destroyed units:");
forlist(&destroyed_units)
{
UnitPtr *u = (UnitPtr*)elem;
b->AddLine(AString(" ") + *u->ptr->name);
}
destroyed_units.DeleteAll();
}
}
void Army::GetMonSpoils(ItemList *spoils, int monitem, int free)
{
if (Globals->MONSTER_NO_SPOILS > 0 &&
free >= Globals->MONSTER_SPOILS_RECOVERY)
{
// this monster is in it's period of absolutely no spoils
return;
}
// first, silver
int silv = MonDefs[ItemDefs[monitem].index].silver;
if (Globals->MONSTER_NO_SPOILS > 0 && free > 0)
{
// adjust the spoils for length of freedom
silv *= (Globals->MONSTER_SPOILS_RECOVERY-free);
silv /= Globals->MONSTER_SPOILS_RECOVERY;
}
spoils->SetNum(I_SILVER, spoils->GetNum(I_SILVER) + getrandom(silv));
int thespoil = MonDefs[ItemDefs[monitem].index].spoiltype;
if (thespoil == -1)
return;
if (thespoil == IT_NORMAL && getrandom(2))
thespoil = IT_TRADE;
int count = 0;
int i;
for (i = 0; i < NITEMS; ++i)
{
if ( (ItemDefs[i].type & thespoil) &&
!(ItemDefs[i].type & IT_SPECIAL) &&
!(ItemDefs[i].flags & ItemType::DISABLED))
{
count++;
}
}
count = getrandom(count) + 1;
for (i = 0; i < NITEMS; ++i)
{
if ( (ItemDefs[i].type & thespoil) &&
!(ItemDefs[i].type & IT_SPECIAL) &&
!(ItemDefs[i].flags & ItemType::DISABLED))
{
count--;
if (count == 0)
{
thespoil = i;
break;
}
}
}
int val = getrandom(MonDefs[ItemDefs[monitem].index].silver * 2);
if ((Globals->MONSTER_NO_SPOILS > 0) && (free > 0))
{
// adjust for length of monster freedom
val *= (Globals->MONSTER_SPOILS_RECOVERY-free);
val /= Globals->MONSTER_SPOILS_RECOVERY;
}
spoils->SetNum(thespoil, spoils->GetNum(thespoil) +
(val + getrandom(ItemDefs[thespoil].baseprice)) /
ItemDefs[thespoil].baseprice);
}
void Army::Regenerate(Battle *b)
{
for (int i = 0; i < count; ++i)
{
Soldier *s = soldiers[i];
// only front-line troops need to regenerate
if (i >= notbehind)
continue;
const int diff = s->maxhits - s->hits;
if (diff <= 0)
continue; // no damage
AString aName = s->name;
if (s->damage != 0)
{
s->damage = 0;
}
if (s->regen)
{
const int regen = (s->regen > diff) ? diff : s->regen;
s->hits += regen;
b->AddLine(aName + " regenerates " + regen +
" hits bringing it to " + s->hits + "/" +
s->maxhits + ".");
}
}
}
void Army::Lose(Battle *b, ItemList *spoils)
{
for (int i = 0; i < count; ++i)
{
Soldier *&s = soldiers[i];
if (i < notbehind)
{
s->Alive(LOSS);
}
else
{
if (s->unit->type == U_WMON && (ItemDefs[s->race].type & IT_MONSTER))
GetMonSpoils(spoils, s->race, s->unit->free);
s->Dead();
}
}
WriteLosses(b);
}
void Army::Tie(Battle *b)
{
for (int x = 0; x < count; ++x)
{
Soldier *&s = soldiers[x];
if (x < NumAlive())
{
s->Alive(WIN_DEAD);
}
else
{
s->Dead();
}
}
WriteLosses(b);
}
int Army::CanBeHealed()
{
for (int i = notbehind; i < count; ++i)
{
const Soldier *temp = soldiers[i];
if (temp->canbehealed)
return 1;
}
return 0;
}
void Army::DoHeal(Battle *b)
{
// do magical healing
for (int i = 5; i > 0; --i)
DoHealLevel(b, i, 0);
// do normal healing
DoHealLevel(b, 1, 1);
}
void Army::DoHealLevel(Battle *b, int type, int useItems)
{
int rate = HealDefs[type].rate;
for (int i = 0; i < NumAlive(); ++i)
{
Soldier *s = soldiers[i];
if (!CanBeHealed())
break;
if (s->healtype <= 0)
continue;
// use the appropriate healing