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Little modifications to the chance system. Potential fix of a bug about fishing drop tables.

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This commit is contained in:
Ka0rX 2022-10-29 06:20:52 +02:00
parent 5cf1505a8d
commit 2adca395c0
4 changed files with 8 additions and 5 deletions
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6
MMOCore-API/src/main/java/net/Indyuce/mmocore/loot/RandomWeightedRoll.java
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@ -17,6 +17,7 @@ public class RandomWeightedRoll<T extends Weighted> {
private final T rolled;
private static final Random RANDOM = new Random();
private static final double CHANCE_COEFFICIENT = 7. / 100;
public RandomWeightedRoll(PlayerData player, Collection<T> collection, double chanceWeight) {
this.collection = collection;
@ -26,13 +27,13 @@ public class RandomWeightedRoll<T extends Weighted> {
for (T item : collection) {
partialSum += computeRealWeight(item, chance);
if (partialSum > randomCoefficient * sum) {
if (partialSum >= randomCoefficient * sum) {
rolled = item;
return;
}
}
throw new RuntimeException("Could not roll item");
throw new RuntimeException("Could not roll item, the chance is :"+chance);
}
/**
@ -53,7 +54,6 @@ public class RandomWeightedRoll<T extends Weighted> {
return sum;
}
private static final double CHANCE_COEFFICIENT = 7. / 100;
/**
* chance = 0 | tier chances are unchanged

3
MMOCore-API/src/main/java/net/Indyuce/mmocore/loot/droptable/dropitem/DropItem.java
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@ -1,6 +1,7 @@
package net.Indyuce.mmocore.loot.droptable.dropitem;
import io.lumine.mythic.lib.api.MMOLineConfig;
import net.Indyuce.mmocore.MMOCore;
import net.Indyuce.mmocore.api.player.PlayerData;
import net.Indyuce.mmocore.api.util.math.formula.RandomAmount;
import net.Indyuce.mmocore.loot.LootBuilder;
@ -46,7 +47,7 @@ public abstract class DropItem {
*/
public boolean rollChance(PlayerData player) {
double value = random.nextDouble();
return value < Math.pow(chance, 1 / Math.pow(1 + CHANCE_COEFFICIENT * player.getStats().getStat("CHANCE"), 1.0 / 3.0));
return value < Math.pow(chance, 1 / Math.pow(1 + CHANCE_COEFFICIENT * MMOCore.plugin.configManager.dropItemsChanceWeight* player.getStats().getStat("CHANCE"), 1.0 / 3.0));
}
public abstract void collect(LootBuilder builder);

3
MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/ConfigManager.java
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@ -26,7 +26,7 @@ public class ConfigManager {
public String partyChatPrefix, noSkillBoundPlaceholder;
public ChatColor staminaFull, staminaHalf, staminaEmpty;
public long combatLogTimer, lootChestExpireTime, lootChestPlayerCooldown, globalSkillCooldown;
public double lootChestsChanceWeight, fishingDropsChanceWeight, partyMaxExpSplitRange;
public double lootChestsChanceWeight,dropItemsChanceWeight, fishingDropsChanceWeight, partyMaxExpSplitRange;
public int maxPartyLevelDifference, maxBoundActiveSkills, maxBoundPassiveSkills, waypointWarpTime;
private final FileConfiguration messages;
@ -111,6 +111,7 @@ public class ConfigManager {
globalSkillCooldown = MMOCore.plugin.getConfig().getLong("global-skill-cooldown") * 50;
noSkillBoundPlaceholder = getSimpleMessage("no-skill-placeholder").message();
lootChestsChanceWeight = MMOCore.plugin.getConfig().getDouble("chance-stat-weight.loot-chests");
dropItemsChanceWeight = MMOCore.plugin.getConfig().getDouble("chance-stat-weight.drop-items");
fishingDropsChanceWeight = MMOCore.plugin.getConfig().getDouble("chance-stat-weight.fishing-drops");
maxPartyLevelDifference = MMOCore.plugin.getConfig().getInt("party.max-level-difference");
partyMaxExpSplitRange = MMOCore.plugin.getConfig().getDouble("party.max-exp-split-range");

1
MMOCore-Dist/src/main/resources/config.yml
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@ -79,6 +79,7 @@ guild-plugin: mmocore
chance-stat-weight:
loot-chests: 1
fishing-drops: 1
drop-items: 1
# Whether blocks generated with a "cobblegenerator" should
# provide the player with experience points or not