Ratstail91/kingdombattles
Archived
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Finished implementing equipment

Browse Source
This commit is contained in:
Kayne Ruse
2019-06-02 03:25:24 +10:00
parent 8161ebb512
commit d73bdb42a7
5 changed files with 194 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files
server/combat.js
+114 -51
View File
@@ -7,6 +7,8 @@ let CronJob = require('cron').CronJob;
//utilities
let { log } = require('../common/utilities.js');
let { getStatistics, isAttacking } = require('./utilities.js');
const attackRequest = (connection) => (req, res) => {
//verify the attacker's credentials (only the attacker can launch an attack)
let query = 'SELECT COUNT(*) AS total FROM sessions WHERE accountId = ? AND accountId IN (SELECT id FROM accounts WHERE username = ?) AND token = ?;';
@@ -140,36 +142,102 @@ const runCombatTick = (connection) => {
defendingUnits = results[0].recruits;
}
//determine the victor
//TODO: add equipment effectiveness
let rand = Math.random() * (pendingCombat.attackingUnits + defendingUnits * (undefended ? 0.25 : 1));
let victor = rand <= pendingCombat.attackingUnits ? 'attacker' : 'defender';
//determine the spoils and casualties
let spoilsGold = Math.floor(results[0].gold * (victor === 'attacker' ? 0.1 : 0.02));
let attackerCasualties = Math.floor((pendingCombat.attackingUnits >= 10 ? pendingCombat.attackingUnits - 10 : 0) * (victor === 'attacker' ? 0.05 : 0.1));
//save the combat
let query = 'INSERT INTO pastCombat (eventTime, attackerId, defenderId, attackingUnits, defendingUnits, undefended, victor, spoilsGold, attackerCasualties) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?);';
connection.query(query, [pendingCombat.eventTime, pendingCombat.attackerId, pendingCombat.defenderId, pendingCombat.attackingUnits, defendingUnits, undefended, victor, spoilsGold, attackerCasualties], (err) => {
//get the attacker equipment
let query = 'SELECT * FROM equipment WHERE accountId = ? AND type = "Weapon";';
connection.query(query, [pendingCombat.attackerId], (err, attackerEquipment) => {
if (err) throw err;
//update the attacker profile
let query = 'UPDATE profiles SET gold = gold + ?, soldiers = soldiers - ? WHERE accountId = ?;';
connection.query(query, [spoilsGold, attackerCasualties, pendingCombat.attackerId], (err) => {
//get the defender equipment
let query = 'SELECT * FROM equipment WHERE accountId = ? AND type = "Armour";';
connection.query(query, [pendingCombat.defenderId], (err, defenderEquipment) => {
if (err) throw err;
//update the defender profile
let query = 'UPDATE profiles SET gold = gold - ? WHERE accountId = ?;';
connection.query(query, [spoilsGold, pendingCombat.defenderId], (err) => {
//get the attacker consumables
let query = 'SELECT * FROM equipment WHERE accountId = ? AND type = "Consumable";';
connection.query(query, [pendingCombat.attackerId], (err, attackerConsumables) => {
if (err) throw err;
//delete the pending combat
let query = 'DELETE FROM pendingCombat WHERE id = ?;';
connection.query(query, [pendingCombat.id], (err) => {
//get the defender consumables
let query = 'SELECT * FROM equipment WHERE accountId = ? AND type = "Consumable";';
connection.query(query, [pendingCombat.defenderId], (err, defenderConsumables) => {
if (err) throw err;
log('Combat executed', pendingCombat.attackerId, pendingCombat.defenderId, victor, spoilsGold);
//get the global equipment stats
getStatistics((err, { statistics }) => {
if (err) throw err;
//get the combat boosts from equipment, from highest to lowest
attackerEquipment.sort((a, b) => statistics[a.type][a.name].combatBoost < statistics[b.type][b.name].combatBoost);
let attackerEquipmentBoost = 0;
for (let i = 0; i < pendingCombat.attackingUnits; i++) {
attackerEquipmentBoost += attackerEquipment[i] ? statistics[attackerEquipment[i].type][attackerEquipment[i].name].combatBoost : 0;
}
defenderEquipment.sort((a, b) => statistics[a.type][a.name].combatBoost < statistics[b.type][b.name].combatBoost);
let defenderEquipmentBoost = 0;
for (let i = 0; i < defendingUnits; i++) {
defenderEquipmentBoost += defenderEquipment[i] ? statistics[defenderEquipment[i].type][defenderEquipment[i].name].combatBoost : 0;
}
//get the boosts from consumables
attackerConsumables.sort((a, b) => statistics[a.type][a.name].combatBoost < statistics[b.type][b.name].combatBoost);
let attackerConsumablesBoost = 0;
for (let i = 0; i < pendingCombat.attackingUnits; i++) {
attackerConsumablesBoost += attackerConsumables[i] ? statistics[attackerConsumables[i].type][attackerConsumables[i].name].combatBoost : 0;
}
defenderConsumables.sort((a, b) => { statistics[a.type][a.name].combatBoost < statistics[b.type][b.name].combatBoost});
let defenderConsumablesBoost = 0;
for (let i = 0; i < defendingUnits; i++) {
defenderConsumablesBoost += defenderConsumables[i] ? statistics[defenderConsumables[i].type][defenderConsumables[i].name].combatBoost : 0;
}
//determine the victor (defender wants high rand, attacker wants low rand)
let rand = Math.random() * (pendingCombat.attackingUnits + defenderEquipmentBoost + defenderConsumablesBoost + defendingUnits * (undefended ? 0.25 : 1));
let victor = rand <= attackerEquipmentBoost + attackerConsumablesBoost + pendingCombat.attackingUnits ? 'attacker' : 'defender';
//determine the spoils and casualties
let spoilsGold = Math.floor(results[0].gold * (victor === 'attacker' ? 0.1 : 0.02));
let attackerCasualties = Math.floor((pendingCombat.attackingUnits >= 10 ? pendingCombat.attackingUnits : 0) * (victor === 'attacker' ? Math.random() / 5 : Math.random() / 2));
//save the combat
let query = 'INSERT INTO pastCombat (eventTime, attackerId, defenderId, attackingUnits, defendingUnits, undefended, victor, spoilsGold, attackerCasualties) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?);';
connection.query(query, [pendingCombat.eventTime, pendingCombat.attackerId, pendingCombat.defenderId, pendingCombat.attackingUnits, defendingUnits, undefended, victor, spoilsGold, attackerCasualties], (err) => {
if (err) throw err;
//update the attacker profile
let query = 'UPDATE profiles SET gold = gold + ?, soldiers = soldiers - ? WHERE accountId = ?;';
connection.query(query, [spoilsGold, attackerCasualties, pendingCombat.attackerId], (err) => {
if (err) throw err;
//update the defender profile
let query = 'UPDATE profiles SET gold = gold - ? WHERE accountId = ?;';
connection.query(query, [spoilsGold, pendingCombat.defenderId], (err) => {
if (err) throw err;
//remove used consumables (moved because callback hell is rediculous)
removeConsumables(connection, attackerConsumables, pendingCombat.attackingUnits);
removeConsumables(connection, defenderConsumables, defendingUnits);
//delete the pending combat
let query = 'DELETE FROM pendingCombat WHERE id = ?;';
connection.query(query, [pendingCombat.id], (err) => {
if (err) throw err;
log('Combat executed', pendingCombat.attackerId, pendingCombat.defenderId, victor, spoilsGold);
//clean the database
let query = 'DELETE FROM equipment WHERE quantity <= 0;';
connection.query(query, (err) => {
if (err) throw err;
log('Cleaned database', 'Combat consumables');
});
});
});
});
});
});
});
});
});
@@ -184,42 +252,37 @@ const runCombatTick = (connection) => {
combatTick.start();
};
const isNormalInteger = (str) => {
let n = Math.floor(Number(str));
return n !== Infinity && String(n) == str && n >= 0;
};
const isAttacking = (connection, user, cb) => {
let query;
if (isNormalInteger(user)) {
query = 'SELECT * FROM pendingCombat WHERE attackerId = ?;';
} else if (typeof(user) === 'string') {
query = 'SELECT * FROM pendingCombat WHERE attackerId IN (SELECT id FROM accounts WHERE username = ?);';
} else {
return cb(`Unknown argument type for user: ${typeof(user)}`);
}
connection.query(query, [user], (err, results) => {
if (err) throw err;
if (results.length === 0) {
return cb(undefined, false);
} else {
//get the username of the person being attacked
let query = 'SELECT username FROM accounts WHERE id = ?;';
connection.query(query, [results[0].defenderId], (err, results) => {
//Part of runCombatTick
let removeConsumables = (connection, consumables, number) => {
if (number > 0 && consumables.length > 0) {
//if not rolling to the next stack after this
if (number - consumables[0].quantity <= 0) {
let query = 'UPDATE equipment SET quantity = quantity - ? WHERE id = ?;';
connection.query(query, [number, consumables[0].id], (err) => {
if (err) throw err;
return cb(undefined, true, results[0].username);
});
return;
} else { //will be rolling to the next stack after this
let query = 'UPDATE equipment SET quantity = 0 WHERE id = ?;';
connection.query(query, [consumables[0].id], (err) => {
if (err) throw err;
//tick
number -= consumables[0].quantity;
consumables.shift();
//it took me two hours to write this line; you can't make functions inside loops
return removeConsumables(connection, consumables, number);
});
}
});
}
};
module.exports = {
attackRequest: attackRequest,
attackStatusRequest: attackStatusRequest,
combatLogRequest: combatLogRequest,
runCombatTick: runCombatTick,
isAttacking: isAttacking
runCombatTick: runCombatTick
};
server/equipment.js
+1 -24
View File
@@ -4,30 +4,7 @@ require('dotenv').config();
//utilities
let { log } = require('../common/utilities.js');
let { isAttacking } = require('./combat.js');
const getStatistics = (cb) => {
//TODO: apiVisible field
return cb(undefined, { 'statistics': require('./equipment_statistics.json') });
};
const getOwned = (connection, id, cb) => {
let query = 'SELECT name, quantity FROM equipment WHERE accountId = ?;';
connection.query(query, [id], (err, results) => {
if (err) throw err;
let ret = {};
Object.keys(results).map((key) => {
if (ret[results[key].name] !== undefined) {
log('WARNING: Invalid database state, equipment owned', id, JSON.stringify(results));
}
ret[results[key].name] = results[key].quantity;
});
return cb(undefined, { 'owned': ret });
});
};
let { getStatistics, getOwned, isAttacking } = require('./utilities.js');
const equipmentRequest = (connection) => (req, res) => {
//validate the credentials
server/equipment_statistics.json
+12 -12
View File
@@ -1,18 +1,18 @@
{
"Weapons": {
"Stick": { "cost": 50, "purchasable": true, "saleable": true, "scientistsRequired": 1, "visible": true, "combatBoost": 0.02 },
"Dagger": { "cost": 75, "purchasable": true, "saleable": true, "scientistsRequired": 2, "visible": true, "combatBoost": 0.03 },
"Sword": { "cost": 100, "purchasable": true, "saleable": true, "scientistsRequired": 3, "visible": true, "combatBoost": 0.04 },
"Longsword": { "cost": 150, "purchasable": true, "saleable": true, "scientistsRequired": 4, "visible": true, "combatBoost": 0.05 },
"Frying Pan": { "cost": 200, "purchasable": true, "saleable": true, "scientistsRequired": 5, "visible": true, "combatBoost": 0.06 }
"Weapon": {
"Stick": { "cost": 50, "purchasable": true, "saleable": true, "scientistsRequired": 1, "visible": true, "combatBoost": 0.04 },
"Dagger": { "cost": 75, "purchasable": true, "saleable": true, "scientistsRequired": 2, "visible": true, "combatBoost": 0.06 },
"Sword": { "cost": 100, "purchasable": true, "saleable": true, "scientistsRequired": 3, "visible": true, "combatBoost": 0.08 },
"Longsword": { "cost": 150, "purchasable": true, "saleable": true, "scientistsRequired": 4, "visible": true, "combatBoost": 0.10 },
"Frying Pan": { "cost": 200, "purchasable": true, "saleable": true, "scientistsRequired": 5, "visible": true, "combatBoost": 0.12 }
},
"Armour": {
"Leather": { "cost": 75, "purchasable": false, "saleable": true, "scientistsRequired": 2, "visible": true, "combatBoost": 0.02 },
"Gambeson": { "cost": 100, "purchasable": false, "saleable": true, "scientistsRequired": 3, "visible": true, "combatBoost": 0.03 },
"Chainmail": { "cost": 150, "purchasable": false, "saleable": true, "scientistsRequired": 4, "visible": true, "combatBoost": 0.04 },
"Platemail": { "cost": 200, "purchasable": false, "saleable": true, "scientistsRequired": 5, "visible": true, "combatBoost": 0.05 }
"Leather": { "cost": 75, "purchasable": true, "saleable": true, "scientistsRequired": 2, "visible": true, "combatBoost": 0.04 },
"Gambeson": { "cost": 100, "purchasable": true, "saleable": true, "scientistsRequired": 3, "visible": true, "combatBoost": 0.06 },
"Chainmail": { "cost": 150, "purchasable": true, "saleable": true, "scientistsRequired": 4, "visible": true, "combatBoost": 0.08 },
"Platemail": { "cost": 200, "purchasable": true, "saleable": true, "scientistsRequired": 5, "visible": true, "combatBoost": 0.10 }
},
"Consumables": {
"Potion": { "cost": 100, "purchasable": true, "saleable": true, "scientistsRequired": 1, "visible": true, "combatBoost": 0.04 }
"Consumable": {
"Potion": { "cost": 100, "purchasable": true, "saleable": true, "scientistsRequired": 1, "visible": true, "combatBoost": 0.45 }
}
}
server/profiles.js
+1 -1
View File
@@ -4,7 +4,7 @@ require('dotenv').config();
//libraries
let CronJob = require('cron').CronJob;
let { isAttacking } = require('./combat.js');
let { isAttacking } = require('./utilities.js');
//utilities
let { log } = require('../common/utilities.js');
server/utilities.js
+66
View File
@@ -0,0 +1,66 @@
//environment variables
require('dotenv').config();
//utilities
let { log } = require('../common/utilities.js');
const getStatistics = (cb) => {
//TODO: apiVisible field
return cb(undefined, { 'statistics': require('./equipment_statistics.json') });
};
const getOwned = (connection, id, cb) => {
let query = 'SELECT name, quantity FROM equipment WHERE accountId = ?;';
connection.query(query, [id], (err, results) => {
if (err) throw err;
let ret = {};
Object.keys(results).map((key) => {
if (ret[results[key].name] !== undefined) {
log('WARNING: Invalid database state, equipment owned', id, JSON.stringify(results));
}
ret[results[key].name] = results[key].quantity;
});
return cb(undefined, { 'owned': ret });
});
};
const isNormalInteger = (str) => {
let n = Math.floor(Number(str));
return n !== Infinity && String(n) == str && n >= 0;
};
const isAttacking = (connection, user, cb) => {
let query;
if (isNormalInteger(user)) {
query = 'SELECT * FROM pendingCombat WHERE attackerId = ?;';
} else if (typeof(user) === 'string') {
query = 'SELECT * FROM pendingCombat WHERE attackerId IN (SELECT id FROM accounts WHERE username = ?);';
} else {
return cb(`Unknown argument type for user: ${typeof(user)}`);
}
connection.query(query, [user], (err, results) => {
if (err) throw err;
if (results.length === 0) {
return cb(undefined, false);
} else {
//get the username of the person being attacked
let query = 'SELECT username FROM accounts WHERE id = ?;';
connection.query(query, [results[0].defenderId], (err, results) => {
if (err) throw err;
return cb(undefined, true, results[0].username);
});
}
});
};
module.exports = {
getStatistics: getStatistics,
getOwned: getOwned,
isAttacking: isAttacking
};