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Cache experience for level values instead of recalculating.

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Major-
2014-02-23 22:22:19 +00:00
parent 87d1ba4478
commit 6a393ca189
1 changed files with 24 additions and 17 deletions
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src/org/apollo/game/model/SkillSet.java
+24 -17
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@@ -12,6 +12,11 @@ import org.apollo.game.model.skill.SkillListener;
*/ */
public final class SkillSet { public final class SkillSet {
/**
* The minimum amounts of experience required for the levels.
*/
private static final int[] EXPERIENCE_FOR_LEVEL = new int[100];
/** /**
* The maximum allowed experience. * The maximum allowed experience.
*/ */
@@ -22,23 +27,26 @@ public final class SkillSet {
*/ */
private static final int SKILL_COUNT = 21; private static final int SKILL_COUNT = 21;
static {
int points = 0, output = 0;
for (int lvl = 1; lvl <= 99; lvl++) {
EXPERIENCE_FOR_LEVEL[lvl] = output;
points += Math.floor(lvl + 300.0 * Math.pow(2.0, lvl / 7.0));
output = (int) Math.floor(points / 4);
}
}
/** /**
* Gets the minimum experience required for the specified level. * Gets the minimum experience required for the specified level.
* *
* @param level The level. * @param level The level.
* @return The minimum experience. * @return The minimum experience.
*/ */
public static double getExperienceForLevel(int level) { public static int getExperienceForLevel(int level) {
int points = 0; if (level < 1 || level > 99) {
int output = 0; throw new IllegalArgumentException("Level must be between 1 and 99, inclusive.");
for (int lvl = 1; lvl <= level; lvl++) {
points += Math.floor(lvl + 300.0 * Math.pow(2.0, lvl / 7.0));
if (lvl >= level) {
return output;
}
output = (int) Math.floor(points / 4);
} }
return 0; return EXPERIENCE_FOR_LEVEL[level];
} }
/** /**
@@ -48,13 +56,12 @@ public final class SkillSet {
* @return The minimum level. * @return The minimum level.
*/ */
public static int getLevelForExperience(double experience) { public static int getLevelForExperience(double experience) {
int points = 0, output = 0; if (experience < 0 || experience > MAXIMUM_EXP) {
throw new IllegalArgumentException("Experience must be between 0 and 200,000,000, inclusive.");
for (int lvl = 1; lvl <= 99; lvl++) { }
points += Math.floor(lvl + 300.0 * Math.pow(2.0, lvl / 7.0)); for (int level = 1; level <= 98; level++) {
output = (int) Math.floor(points / 4); if (experience < EXPERIENCE_FOR_LEVEL[level + 1]) {
if (output >= experience + 1) { return level;
return lvl;
} }
} }
return 99; return 99;