Add type damage multipliers

attackplace.php

@@ -16,8 +16,9 @@ if ($place['teamid'] == $user['teamid']) {
 }
 
 // The underwhelming damage formulas :P
+require_once 'type_grid.php';
 $userdrain = 5 * floor($user['level']);
-$damage = 2 * $userdrain;
+$damage = 2 * $userdrain * $TYPE_GRID[$user['teamid']][$place['teamid']];
 
 // Check if action possible
 if ($user['energy'] < $userdrain) {

type_grid.php

@@ -0,0 +1,16 @@
+<?php
+
+/**
+ * A 2-dimensional array of damage multipliers.
+ * The first dimension is the attacking type, the second is the defending.
+ * Example: To find the multiplier when team 1 attacks team 2: $TYPE_GRID[1][2]
+ */
+$TYPE_GRID = [
+    ["", "water", "fire", "earth", "wind", "light", "dark"],
+    ["water", 0, 2, 0.5, 1, 1, 1],
+    ["fire", 0.5, 0, 0.5, 0.5, 2, 1],
+    ["earth", 2, 1, 0, 0.5, 0.5, 1],
+    ["wind", 0.5, 0.5, 2, 0, 1, 0.5],
+    ["light", 1, 1, 1, 1, 0, 2],
+    ["dark", 1, 0.5, 1, 2, 0.5, 0]
+];