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scummvm-cursorfix/engines/mm/mm1/game/equip_remove.cpp
2026-02-02 04:50:13 +01:00

260 lines
7.1 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "mm/mm1/game/equip_remove.h"
#include "mm/mm1/globals.h"
namespace MM {
namespace MM1 {
namespace Game {
bool EquipRemove::equipItem(int index, Common::Point &textPos, Common::String &equipError) {
Character &c = *g_globals->_currCharacter;
uint itemId = c._backpack[index]._id;
uint charges = c._backpack[index]._charges;
int classBit = 0;
textPos.x = 0;
switch (c._class) {
case KNIGHT:
classBit = KNIGHT_BIT;
break;
case PALADIN:
classBit = PALADIN_BIT;
break;
case ARCHER:
classBit = ARCHER_BIT;
break;
case CLERIC:
classBit = CLERIC_BIT;
break;
case SORCERER:
classBit = SORCERER_BIT;
break;
case ROBBER:
classBit = ROBBER_BIT;
break;
default:
equipError = STRING["dialogs.character.wrong_class"];
break;
}
g_globals->_items.getItem(itemId);
const Item &item = g_globals->_currItem;
if (equipError.empty() && (item._disablements & classBit))
equipError = STRING["dialogs.character.wrong_class"];
if (equipError.empty()) {
int alignBit = 0;
switch (c._alignment) {
case GOOD:
alignBit = GOOD_BIT;
break;
case NEUTRAL:
alignBit = NEUTRAL_BIT;
break;
case EVIL:
alignBit = EVIL_BIT;
break;
default:
equipError = STRING["dialogs.character.wrong_alignment"];
break;
}
if ((item._disablements & alignBit) && alignBit != NEUTRAL_BIT)
equipError = STRING["dialogs.character.wrong_alignment"];
}
if (equipError.empty()) {
if (item._constBonus_id == IS_EQUIPPABLE) {
equipError = STRING["dialogs.character.not_equipped"];
textPos.x = 10;
}
}
if (equipError.empty()) {
if (isWeapon(itemId)) {
if (c._equipped.hasWeapon() || c._equipped.hasTwoHanded())
equipError = STRING["dialogs.character.have_weapon"];
} else if (isMissile(itemId)) {
if (c._equipped.hasMissile()) {
equipError = STRING["dialogs.character.have_missile"];
textPos.x = 3;
}
} else if (isTwoHanded(itemId)) {
if (c._equipped.hasShield()) {
equipError = STRING["dialogs.character.cannot_with_shield"];
textPos.x = 7;
} else if (c._equipped.hasWeapon()) {
equipError = STRING["dialogs.character.have_weapon"];
}
} else if (isArmor(itemId)) {
if (c._equipped.hasArmor()) {
equipError = STRING["dialogs.character.have_armor"];
textPos.x = 5;
}
} else if (isShield(itemId)) {
if (c._equipped.hasTwoHanded()) {
equipError = STRING["dialogs.character.cannot_two_handed"];
textPos.x = 1;
}
} else if (itemId == 255) {
equipError = STRING["dialogs.character.not_equipped"];
textPos.x = 10;
}
}
if (equipError.empty() && c._equipped.full()) {
equipError = STRING["dialogs.character.full"];
textPos.x = 14;
}
if (equipError.empty()) {
// All checks passed, can equip item
c._backpack.removeAt(index);
uint freeIndex = c._equipped.add(itemId, charges);
if (item._constBonus_id != NO_EQUIP_BONUS) {
if (item._constBonus_id == IS_EQUIPPABLE) {
equipError = STRING["dialogs.character.not_equipped"];
textPos.x = 10;
} else if (item._constBonus_id == EQUIP_CURSED) {
c._equipped[freeIndex]._charges += item._constBonus_value;
}
}
}
if (!equipError.empty())
return false;
//add const equip bonus to character parameters
applyEquipBonus(item._constBonus_id, item._constBonus_value);
switch (getItemCategory(itemId)) {
case ITEMCAT_WEAPON:
case ITEMCAT_TWO_HANDED:
c._physicalAttr._base = item._damage;
c._physicalAttr._current = item._AC_Dmg;
break;
case ITEMCAT_MISSILE:
c._missileAttr._base = item._damage;
c._missileAttr._current = item._AC_Dmg;
break;
case ITEMCAT_ARMOR:
case ITEMCAT_SHIELD:
c._ac._base += item._AC_Dmg;
break;
default:
break;
}
c.updateResistances();
c.updateAttributes();
c.updateAC();
return true;
}
bool EquipRemove::removeItem(int index, Common::Point &textPos, Common::String &removeError) {
Character &c = *g_globals->_currCharacter;
uint itemId = c._equipped[index]._id;
uint charges = c._equipped[index]._charges;
g_globals->_items.getItem(itemId);
const Item &item = g_globals->_currItem;
if (item._constBonus_id == EQUIP_CURSED) {
removeError = STRING["dialogs.character.cursed"];
textPos.x = 13;
} else if (c._backpack.full()) {
removeError = STRING["dialogs.character.full"];
textPos.x = 14;
}
if (!removeError.empty())
return false;
// Shift item to backpack
c._equipped.removeAt(index);
c._backpack.add(itemId, charges);
if (item._constBonus_value) {
// TODO: _equipMode is used as a character offset. Need to
// find an example that calls it so I know what area of
// the character updates are being done to
//error("TODO: item flag in remove item");
//subtract const equip bonus from character parameters
applyEquipBonus(item._constBonus_id, -item._constBonus_value);
}
switch (getItemCategory(itemId)) {
case ITEMCAT_WEAPON:
case ITEMCAT_TWO_HANDED:
c._physicalAttr.clear();
break;
case ITEMCAT_MISSILE:
c._missileAttr.clear();
break;
case ITEMCAT_ARMOR:
case ITEMCAT_SHIELD:
c._ac._base = MAX((int)c._ac._base - (int)item._AC_Dmg, 0);
break;
default:
break;
}
return true;
}
void EquipRemove::applyEquipBonus(int id, int value){
if ((id<2)||(id>=0xff)) return;
Character &c = *g_globals->_currCharacter;
// TODO: check strange cases (decimal id numbers): 16, 19
switch (id) {
//case 16: c.sex = NONE; break; //UNOBTAINIUM
// case 19: c._luck._race = NONE; break; //JADE AMULET
case 21: c._intelligence._base += value; break;
case 23: c._might._base += value; break;
case 25: c._personality._base += value; break;
case 29: c._speed._base += value; break;
case 31: c._accuracy._base += value; break;
case 33: c._luck._base += value; break;
case 37: c._age += value; break;
case 60: c._ac._base += value; break;
case 88: c._resistances._s._magic._base += value; break;
case 90: c._resistances._s._fire._base += value; break;
case 92: c._resistances._s._cold._base += value; break;
case 94: c._resistances._s._electricity._base += value; break;
case 96: c._resistances._s._acid._base += value; break;
case 98: c._resistances._s._fear._base += value; break;
case 100: c._resistances._s._poison._base += value; break;
case 102: c._resistances._s._psychic._base += value; break; //resistance to sleep
case 108: c._trapCtr += value; break;
}
}
} // namespace Game
} // namespace MM1
} // namespace MM