|
| 1 | +-- Table of tables indexed by player names, each having three fields: |
| 2 | +-- Time of left-click + 3s, |
| 3 | +-- HP at time of left-click + 6, |
| 4 | +-- ID of "healing effect" HUD element |
| 5 | +local players = {} |
| 6 | + |
| 7 | +minetest.register_item("medkit:medkit", { |
| 8 | + description = "Medkit", |
| 9 | + inventory_image = "medkit_medkit.png", |
| 10 | + wield_image = "medkit_medkit.png",--^[transform:", |
| 11 | + stack_max = 5, |
| 12 | + range = 0, |
| 13 | + |
| 14 | + on_use = on_use |
| 15 | +}) |
| 16 | + |
| 17 | +-- Called when player uses a health-pack |
| 18 | +-- Aborts if player is already healing |
| 19 | +local function on_use(stack, user) |
| 20 | + if not user then |
| 21 | + return |
| 22 | + end |
| 23 | + local name = user:get_player_name() |
| 24 | + |
| 25 | + if players[name] then |
| 26 | + return nil |
| 27 | + end |
| 28 | + |
| 29 | + players[name] = { |
| 30 | + time = os.time() + 3, |
| 31 | + hp = user:get_hp() + 6, |
| 32 | + hud = user:hud_add({ |
| 33 | + hud_elem_type = "image", |
| 34 | + position = {x = 0, y = 0}, |
| 35 | + scale = {x = -100, y = -100}, |
| 36 | + text = "[colorize:#B3CCFF20:255" |
| 37 | + }) |
| 38 | + } |
| 39 | + |
| 40 | + -- Slow down player while healing |
| 41 | + user:set_physics_override({ |
| 42 | + speed = 0.5 |
| 43 | + }) |
| 44 | + |
| 45 | + minetest.after(0.5, update_hp(user)) |
| 46 | + |
| 47 | + return stack |
| 48 | +end |
| 49 | + |
| 50 | +-- Called on left-click and is recursively called |
| 51 | +-- every 0.5s for 3 seconds after left-click |
| 52 | +local function update_hp(player) |
| 53 | + local name = player:get_player_name() |
| 54 | + player:set_hp(player:get_hp() + 1) |
| 55 | + |
| 56 | + if players[name] and os.time() < players[name].time and |
| 57 | + players:get_hp() < players[name].hp then |
| 58 | + minetest.after(0.5, update_hp(player)) |
| 59 | + else |
| 60 | + after_use(player) |
| 61 | + end |
| 62 | +end |
| 63 | + |
| 64 | +-- Called after regen is complete |
| 65 | +-- Removes additional effects; restores normalcy |
| 66 | +local function after_use(player) |
| 67 | + local name = player:get_player_name() |
| 68 | + if not player or not players[name] then |
| 69 | + return |
| 70 | + end |
| 71 | + |
| 72 | + -- Remove one health pack from player's inv |
| 73 | + player:get_inventory():remove_item("main", Itemstack("medkit:medkit 1")) |
| 74 | + |
| 75 | + reset_effects(player) |
| 76 | +end |
| 77 | + |
| 78 | +-- Reset effects |
| 79 | +local function reset_effects(player) |
| 80 | + user:hud_remove(players[name].hud) |
| 81 | + user:set_physics_override() |
| 82 | + players[player:get_player_name()] = nil |
| 83 | +end |
| 84 | + |
| 85 | +-- Stop regen and revert back to original state if healing interrupted |
| 86 | +-- i.e. if healer punches or is punched |
| 87 | +minetest.register_on_punchplayer(function(player, hitter) |
| 88 | + local pname = player:get_player_name() |
| 89 | + local hname = hitter:get_player_name() |
| 90 | + |
| 91 | + if not player or not hitter then |
| 92 | + return |
| 93 | + end |
| 94 | + |
| 95 | + if players[pname] then |
| 96 | + minetest.chat_send_player(pname, minetest.colorize("#FF4444", |
| 97 | + "Your healing was interrupted!")) |
| 98 | + |
| 99 | + player:set_hp(players[pname].hp - 6) |
| 100 | + reset_effects(player) |
| 101 | + end |
| 102 | + |
| 103 | + if players[hname] then |
| 104 | + minetest.chat_send_player(pname, minetest.colorize("#FF4444", |
| 105 | + "Your healing was interrupted!")) |
| 106 | + |
| 107 | + player:set_hp(players[pname].hp - 6) |
| 108 | + reset_effects(hitter) |
| 109 | + end |
| 110 | +end) |
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