mcMMO/src/main/java/com/gmail/nossr50/util/random/RandomChanceSkill.java

package com.gmail.nossr50.util.random;

import com.gmail.nossr50.config.AdvancedConfig;
import com.gmail.nossr50.datatypes.skills.PrimarySkillType;
import com.gmail.nossr50.datatypes.skills.SubSkillType;
import com.gmail.nossr50.util.player.UserManager;
import org.bukkit.entity.Player;

public class RandomChanceSkill implements RandomChanceExecution {

    protected final PrimarySkillType primarySkillType;
    protected final SubSkillType subSkillType;
    protected final double probabilityCap;
    private int skillLevel;

    public RandomChanceSkill(Player player, SubSkillType subSkillType)
    {
        this.primarySkillType = subSkillType.getParentSkill();
        this.subSkillType = subSkillType;
        this.probabilityCap = RandomChanceUtil.LINEAR_CURVE_VAR;

        if(player != null)
            this.skillLevel = UserManager.getPlayer(player).getSkillLevel(primarySkillType);
        else
            this.skillLevel = 0;
    }

    public RandomChanceSkill(Player player, SubSkillType subSkillType, boolean hasCap)
    {
        if(hasCap)
            this.probabilityCap = AdvancedConfig.getInstance().getMaximumProbability(subSkillType);
        else
            this.probabilityCap = RandomChanceUtil.LINEAR_CURVE_VAR;

        this.primarySkillType = subSkillType.getParentSkill();
        this.subSkillType = subSkillType;

        if(player != null)
            this.skillLevel = UserManager.getPlayer(player).getSkillLevel(primarySkillType);
        else
            this.skillLevel = 0;
    }

    /**
     * The subskill corresponding to this RandomChanceSkill
     * @return this subskill
     */
    public SubSkillType getSubSkill() {
        return subSkillType;
    }

    /**
     * Gets the skill level of the player who owns this RandomChanceSkill
     * @return the current skill level relating to this RandomChanceSkill
     */
    public int getSkillLevel()
    {
        return skillLevel;
    }

    /**
     * Modify the skill level used for this skill's RNG calculations
     * @param newSkillLevel new skill level
     */
    public void setSkillLevel(int newSkillLevel) {
        skillLevel = newSkillLevel;
    }

    /**
     * The maximum bonus level for this skill
     * This is when the skills level no longer increases the odds of success
     * For example, a value of 25 will mean the success chance no longer grows after skill level 25
     *
     * @return the maximum bonus from skill level for this skill
     */
    public double getMaximumBonusLevelCap() {
        return AdvancedConfig.getInstance().getMaxBonusLevel(subSkillType);
    }

    /**
     * Gets the XPos used in the formula for success
     *
     * @return value of x for our success probability graph
     */
    @Override
    public double getXPos() {
        return getSkillLevel();
    }

    /**
     * The maximum odds for this RandomChanceExecution
     * For example, if this value is 10, then 10% odds would be the maximum and would be achieved only when xPos equaled the LinearCurvePeak
     *
     * @return maximum probability odds from 0.00 (no chance of ever happened) to 100.0 (probability can be guaranteed)
     */
    @Override
    public double getProbabilityCap() {
        return probabilityCap;
    }
}