From 64f99a909ac110f9f70e436647d56c303e4a9c79 Mon Sep 17 00:00:00 2001 From: Adam Date: Wed, 10 May 2017 16:15:07 -0400 Subject: [PATCH] runelite-api: add Experience class for xpForLevel and levelForXp --- .../java/net/runelite/api/Experience.java | 91 +++++++++++++++++++ .../java/net/runelite/api/ExperienceTest.java | 61 +++++++++++++ 2 files changed, 152 insertions(+) create mode 100644 runelite-api/src/main/java/net/runelite/api/Experience.java create mode 100644 runelite-api/src/test/java/net/runelite/api/ExperienceTest.java diff --git a/runelite-api/src/main/java/net/runelite/api/Experience.java b/runelite-api/src/main/java/net/runelite/api/Experience.java new file mode 100644 index 0000000000..ffe1a9f7b1 --- /dev/null +++ b/runelite-api/src/main/java/net/runelite/api/Experience.java @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2017, Adam + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package net.runelite.api; + +public class Experience +{ + /** + * Maximum level under 200m xp + */ + private static final int MAX_VIRT_LEVEL = 126; + + private static final int[] XP_FOR_LEVEL = new int[MAX_VIRT_LEVEL]; + + static + { + int xp = 0; + + for (int level = 1; level <= MAX_VIRT_LEVEL; ++level) + { + int difference = (int) ((double) level + 300.0 * Math.pow(2.0, (double) level / 7.0)); + xp += difference; + + XP_FOR_LEVEL[level - 1] = xp / 4; + } + } + + public static int getXpForLevel(int level) + { + if (level < 2 || level > MAX_VIRT_LEVEL) + { + throw new IllegalArgumentException(); + } + + // XP_FOR_LEVEL[0] is XP for level 2 + return XP_FOR_LEVEL[level - 2]; + } + + public static int getLevelForXp(int xp) + { + if (xp < 0) + { + throw new IllegalArgumentException(); + } + + int low = 0; + int high = XP_FOR_LEVEL.length - 1; + + while (low <= high) + { + int mid = low + (high - low) / 2; + int xpForLevel = XP_FOR_LEVEL[mid]; + + if (xp < xpForLevel) + { + high = mid - 1; + } + else if (xp > xpForLevel) + { + low = mid + 1; + } + else + { + break; + } + } + + return high + 2; + } +} diff --git a/runelite-api/src/test/java/net/runelite/api/ExperienceTest.java b/runelite-api/src/test/java/net/runelite/api/ExperienceTest.java new file mode 100644 index 0000000000..1aa8cc05a4 --- /dev/null +++ b/runelite-api/src/test/java/net/runelite/api/ExperienceTest.java @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2017, Adam + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package net.runelite.api; + +import org.junit.Assert; +import org.junit.Test; + +public class ExperienceTest +{ + private static final int XP_FOR_99 = 13_034_431; + + @Test + public void testGetXpForLevel() + { + int xp = Experience.getXpForLevel(99); + Assert.assertEquals(XP_FOR_99, xp); + } + + @Test + public void testGetLevelForXp() + { + int level; + + level = Experience.getLevelForXp(XP_FOR_99); + Assert.assertEquals(99, level); + + level = Experience.getLevelForXp(XP_FOR_99 + 1); + Assert.assertEquals(99, level); + + level = Experience.getLevelForXp(XP_FOR_99 - 1); + Assert.assertEquals(98, level); + + level = Experience.getLevelForXp(0); + Assert.assertEquals(1, level); + + level = Experience.getLevelForXp(200_000_000); + Assert.assertEquals(126, level); + } +}