init

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2019 Jitnaught
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+A Minetest mod that adds the Accelerated Back Hopping glitch from Half-Life 2.
+
+It is not a perfect recreation, due to the differences between the HL2 and Minetest. To do the recreated glitch in Minetest, hold jump (space button) + left, right, and/or down (A/S/D buttons) (e.g. Space + S). You will gain speed on each jump.

description.txt

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+Adds Accelerated Back Hopping glitch from Half-Life 2.

init.lua

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+function player_moving_abh(player_controls, player_speed)
+	return ((player_controls.down or player_controls.left or player_controls.right) and player_speed > 3.9 and not player_controls.up)
+end
+
+minetest.register_globalstep(function(dtime)
+	local player_con, player_speed, node_pos, node
+
+	for _,player in ipairs(minetest.get_connected_players()) do
+		if player:get_attribute('was_on_ground') == nil then
+			player:set_attribute('was_on_ground', "1")
+			player:set_attribute('abh', "0")
+		end
+
+		local was_on_ground = (player:get_attribute('was_on_ground') == "1")
+		local abh = (player:get_attribute('abh') == "1")
+
+		player_con = player:get_player_control()
+		player_speed = vector.length(player:get_player_velocity())
+
+		node_pos = player:get_pos()
+		node_pos.y = node_pos.y - 0.3
+
+		node = minetest.get_node_or_nil(node_pos)
+
+		if node == nil or node.name == "air" then
+			if was_on_ground and abh and player_moving_abh(player_con, player_speed) then
+				player:set_physics_override({ speed = player:get_physics_override().speed + 1.0 })	
+			end
+
+			was_on_ground = false
+		else
+			abh = player_con.jump and player_moving_abh(player_con, player_speed) 
+
+			if not abh then
+				player:set_physics_override({ speed = 1.0 })
+			end
+
+			was_on_ground = true
+		end
+
+		player:set_attribute('was_on_ground', was_on_ground and "1" or "0")
+		player:set_attribute('abh', abh and "1" or "0")
+	end
+end)

mod.conf

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+name = abh
+