Added IceSpeed mode to TerrainSpeed module. (CCBlueX#638)

src/main/kotlin/net/ccbluex/liquidbounce/features/module/modules/movement/ModuleTerrainSpeed.kt

@@ -21,11 +21,15 @@ package net.ccbluex.liquidbounce.features.module.modules.movement
 import net.ccbluex.liquidbounce.config.Choice
 import net.ccbluex.liquidbounce.config.ChoiceConfigurable
 import net.ccbluex.liquidbounce.config.ToggleableConfigurable
+import net.ccbluex.liquidbounce.event.BlockSlipperinessMultiplierEvent
 import net.ccbluex.liquidbounce.event.PlayerMoveEvent
 import net.ccbluex.liquidbounce.event.handler
 import net.ccbluex.liquidbounce.features.module.Category
 import net.ccbluex.liquidbounce.features.module.Module
+import net.ccbluex.liquidbounce.features.module.modules.movement.ModuleTerrainSpeed.IceSpeed.Motion.motion
 import net.ccbluex.liquidbounce.utils.block.getBlock
+import net.minecraft.block.Block
+import net.minecraft.block.Blocks
 import net.minecraft.block.LadderBlock
 import net.minecraft.block.VineBlock
 import net.minecraft.util.math.BlockPos
@@ -104,10 +108,35 @@ object ModuleTerrainSpeed : Module("TerrainSpeed", Category.MOVEMENT) {
 
     }
 
-    // todo: add other terrain speed options
+    /**
+     * Ice Speed allows you to manipulate slipperiness speed
+     */
+
+    private object IceSpeed : ToggleableConfigurable(this, "IceSpeed", true) {
+
+        val slipperiness by float("Slipperiness", 0.6f, 0.3f..1f)
+
+        object Motion : ToggleableConfigurable(ModuleTerrainSpeed, "Motion", false) {
+            val motion by float("Motion", 0.5f, 0.2f..1.5f)
+        }
+
+        val iceBlocks = hashSetOf<Block>(Blocks.ICE, Blocks.BLUE_ICE, Blocks.FROSTED_ICE, Blocks.PACKED_ICE)
+
+        val blockSlipperinessMultiplierHandler = handler<BlockSlipperinessMultiplierEvent> { event ->
+            if (event.block in iceBlocks) {
+                if (Motion.enabled) {
+                    player.velocity.x *= motion
+                    player.velocity.z *= motion
+                }
+                event.slipperiness = slipperiness
+            }
+        }
+    }
 
     init {
         tree(FastClimb)
+        tree(IceSpeed)
+        tree(IceSpeed.Motion)
     }
 
 }