Initial release 1.0.0
Browse Source1.0.0 - Initial release.
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CHANGELOG.md
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README.md
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addons/amxmodx/scripting/csb_bhop_detect.sma
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csb.json
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CHANGELOG.md
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| 1 | +## 1.0.0 (2025-09-03) | |
| 2 | + | |
| 3 | +1.0.0 - Initial release. |
README.md
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| 1 | +<p><strong>CSB Bhop Script Detection</strong> separates a good hopper from a scripter by looking at <em>when</em> the jump happens, not how far it goes. In <code>PlayerPreThink</code> it watches the <code>FL_ONGROUND</code> flag and the <code>+jump</code> button: a bunnyhop script re-presses jump on the very first ground frame every single time, which a human simply cannot do. A long run of these frame-perfect jumps is logged and optionally punished.</p><h2>How it works</h2><ul><li>Tracks the ground/air transition each frame and counts frames spent on the ground.</li><li>Only the rising edge of <code>+jump</code> is counted, so holding jump isn't misread.</li><li>A jump on ground-frame 0 or 1 is "perfect"; a normal jump resets the streak.</li><li><code>csb_bhop_perfect</code> consecutive perfect jumps triggers a log line and, if <code>csb_bhop_action 1</code>, a kick.</li></ul><h2>Installation</h2><ol><li>Enable the <code>fakemeta</code> module in <code>modules.ini</code>.</li><li>Compile <code>csb_bhop_detect.sma</code>, copy it to <code>addons/amxmodx/plugins/</code> and add it to <code>plugins.ini</code>.</li><li>Change the map.</li></ol> |
addons/amxmodx/scripting/csb_bhop_detect.sma
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| 1 | +/* | |
| 2 | + * CSB Bhop Script Detection | |
| 3 | + * Copyright (C) 2026 counter-strike-boost.com | |
| 4 | + * | |
| 5 | + * Flags scripted bunnyhopping by watching FL_ONGROUND transitions and +jump | |
| 6 | + * presses in PlayerPreThink: a run of frame-perfect jumps (jumping on the | |
| 7 | + * first ground frame every time) is not humanly repeatable, so it is logged. | |
| 8 | + * | |
| 9 | + * This program is free software: you can redistribute it and/or modify it under | |
| 10 | + * the terms of the GNU General Public License as published by the Free Software | |
| 11 | + * Foundation, either version 3 of the License, or (at your option) any later | |
| 12 | + * version. It is distributed in the hope that it will be useful, but WITHOUT | |
| 13 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 14 | + * FOR A PARTICULAR PURPOSE. See <https://www.gnu.org/licenses/> for details. | |
| 15 | + */ | |
| 16 | + | |
| 17 | +#include <amxmodx> | |
| 18 | +#include <fakemeta> | |
| 19 | + | |
| 20 | +new const PLUGIN[] = "CSB Bhop Script Detection" | |
| 21 | +new const VERSION[] = "1.0.0" | |
| 22 | +new const AUTHOR[] = "counter-strike-boost.com" | |
| 23 | + | |
| 24 | +new g_pEnabled, g_pPerfect, g_pAction | |
| 25 | + | |
| 26 | +new bool:g_bOnGround[33] | |
| 27 | +new bool:g_bJumpHeld[33] | |
| 28 | +new g_iGroundFrames[33] | |
| 29 | +new g_iPerfect[33] | |
| 30 | + | |
| 31 | +public plugin_init() | |
| 32 | +{ | |
| 33 | + register_plugin(PLUGIN, VERSION, AUTHOR) | |
| 34 | + | |
| 35 | + g_pEnabled = register_cvar("csb_bhop_enabled", "1") | |
| 36 | + g_pPerfect = register_cvar("csb_bhop_perfect", "12") | |
| 37 | + g_pAction = register_cvar("csb_bhop_action", "0") | |
| 38 | + | |
| 39 | + register_forward(FM_PlayerPreThink, "fwPreThink") | |
| 40 | +} | |
| 41 | + | |
| 42 | +public client_putinserver(id) | |
| 43 | +{ | |
| 44 | + g_bOnGround[id] = false | |
| 45 | + g_bJumpHeld[id] = false | |
| 46 | + g_iGroundFrames[id] = 0 | |
| 47 | + g_iPerfect[id] = 0 | |
| 48 | +} | |
| 49 | + | |
| 50 | +public fwPreThink(id) | |
| 51 | +{ | |
| 52 | + if (!get_pcvar_num(g_pEnabled) || !is_user_alive(id) || is_user_bot(id)) | |
| 53 | + return FMRES_IGNORED | |
| 54 | + | |
| 55 | + new bool:onGround = (pev(id, pev_flags) & FL_ONGROUND) != 0 | |
| 56 | + new bool:jump = (pev(id, pev_button) & IN_JUMP) != 0 | |
| 57 | + | |
| 58 | + if (onGround) | |
| 59 | + { | |
| 60 | + // count how long we've been standing since we landed | |
| 61 | + if (!g_bOnGround[id]) | |
| 62 | + g_iGroundFrames[id] = 0 | |
| 63 | + else | |
| 64 | + g_iGroundFrames[id]++ | |
| 65 | + | |
| 66 | + // rising edge of the jump button while grounded | |
| 67 | + if (jump && !g_bJumpHeld[id]) | |
| 68 | + { | |
| 69 | + if (g_iGroundFrames[id] <= 1) | |
| 70 | + { | |
| 71 | + g_iPerfect[id]++ | |
| 72 | + | |
| 73 | + if (g_iPerfect[id] >= get_pcvar_num(g_pPerfect)) | |
| 74 | + flag(id) | |
| 75 | + } | |
| 76 | + else | |
| 77 | + { | |
| 78 | + g_iPerfect[id] = 0 | |
| 79 | + } | |
| 80 | + } | |
| 81 | + } | |
| 82 | + | |
| 83 | + g_bOnGround[id] = onGround | |
| 84 | + g_bJumpHeld[id] = jump | |
| 85 | + | |
| 86 | + return FMRES_IGNORED | |
| 87 | +} | |
| 88 | + | |
| 89 | +flag(id) | |
| 90 | +{ | |
| 91 | + g_iPerfect[id] = 0 | |
| 92 | + | |
| 93 | + new name[32], authid[35] | |
| 94 | + get_user_name(id, name, charsmax(name)) | |
| 95 | + get_user_authid(id, authid, charsmax(authid)) | |
| 96 | + | |
| 97 | + log_amx("[CSB Bhop] frame-perfect bunnyhop pattern from %s <%s>", name, authid) | |
| 98 | + | |
| 99 | + if (get_pcvar_num(g_pAction) == 1) | |
| 100 | + { | |
| 101 | + server_cmd("kick #%d ^"CSB: scripted bunnyhopping^"", get_user_userid(id)) | |
| 102 | + server_exec() | |
| 103 | + } | |
| 104 | + else | |
| 105 | + { | |
| 106 | + client_print(0, print_chat, "[CSB] %s is suspected of scripted bunnyhopping.", name) | |
| 107 | + } | |
| 108 | +} |
csb.json
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| 1 | +{ | |
| 2 | + "name": "CSB Bhop Script Detection", | |
| 3 | + "category": "anticheat", | |
| 4 | + "tags": "bhop, script, detection", | |
| 5 | + "image": "", | |
| 6 | + "original_author": "", | |
| 7 | + "original_url": "", | |
| 8 | + "license": "GPL-3.0", | |
| 9 | + "title": "CSB Bhop Script Detection", | |
| 10 | + "short_desc": "Flags scripted bunnyhopping from a run of frame-perfect jumps that no human can repeat by hand.", | |
| 11 | + "version": "1.0.0", | |
| 12 | + "amxx_min": "1.9", | |
| 13 | + "amxx_compile_default": "1.9", | |
| 14 | + "rehlds_ok": true, | |
| 15 | + "hlds_ok": true, | |
| 16 | + "regamedll_required": false, | |
| 17 | + "metamod_flavor": "any", | |
| 18 | + "reapi_required": false, | |
| 19 | + "modules": "fakemeta", | |
| 20 | + "install_notes": "1. Enable the fakemeta module in addons/amxmodx/configs/modules.ini\n2. Put csb_bhop_detect.amxx in addons/amxmodx/plugins/ and add it to plugins.ini\n3. Change map", | |
| 21 | + "known_conflicts": "On servers with a legit auto-bhop plugin every jump is frame-perfect, so disable this or raise the threshold.", | |
| 22 | + "cvars": [ | |
| 23 | + { | |
| 24 | + "name": "csb_bhop_enabled", | |
| 25 | + "default": "1", | |
| 26 | + "description": "Enable detection." | |
| 27 | + }, | |
| 28 | + { | |
| 29 | + "name": "csb_bhop_perfect", | |
| 30 | + "default": "12", | |
| 31 | + "description": "Consecutive frame-perfect jumps before flagging." | |
| 32 | + }, | |
| 33 | + { | |
| 34 | + "name": "csb_bhop_action", | |
| 35 | + "default": "0", | |
| 36 | + "description": "0 = log + announce, 1 = kick." | |
| 37 | + } | |
| 38 | + ], | |
| 39 | + "commands": [], | |
| 40 | + "main": "addons/amxmodx/scripting/csb_bhop_detect.sma" | |
| 41 | +} | |
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