mods/ITEMS/mcl_potions/splash.lua

   1 local S = minetest.get_translator("mcl_potions")
   2
   3 local splash_image = function(colorstring, opacity)
   4         if not opacity then
   5                 opacity = 127
   6         end
   7         return "mcl_potions_splash_overlay.png^[colorize:"..colorstring..":"..tostring(opacity).."^mcl_potions_splash_bottle.png"
   8 end
   9
  10
  11 function mcl_potions.register_splash(name, descr, color, def)
  12
  13     local id = "mcl_potions:"..name.."_splash"
  14     local longdesc = def.longdesc
  15     if not def.no_effect then
  16         longdesc = S("A throwable potion that will shatter on impact, where it gives all nearby players and mobs a status effect.")
  17         if def.longdesc then
  18             longdesc = longdesc .. "\n" .. def.longdesc
  19         end
  20     end
  21     minetest.register_craftitem(id, {
  22         description = descr,
  23                 _tt_help = def.tt,
  24         _doc_items_longdesc = longdesc,
  25         _doc_items_usagehelp = S("Use the “Punch” key to throw it."),
  26         inventory_image = splash_image(color),
  27                 groups = {brewitem=1, not_in_creative_inventory=0},
  28         on_use = function(item, placer, pointed_thing)
  29             local velocity = 10
  30             local dir = placer:get_look_dir();
  31             local pos = placer:get_pos();
  32             local obj = minetest.add_entity({x=pos.x+dir.x,y=pos.y+2+dir.y,z=pos.z+dir.z}, id.."_flying")
  33             obj:set_velocity({x=dir.x*velocity,y=dir.y*velocity,z=dir.z*velocity})
  34             obj:set_acceleration({x=dir.x*-3, y=-9.8, z=dir.z*-3})
  35                         obj:get_luaentity()._thrower = placer:get_player_name()
  36                         if not minetest.is_creative_enabled(placer:get_player_name()) then
  37                                 item:take_item()
  38                         end
  39             return item
  40         end,
  41                 stack_max = 1,
  42                 _on_dispense = function(stack, dispenserpos, droppos, dropnode, dropdir)
  43                         local s_pos = vector.add(dispenserpos, vector.multiply(dropdir, 0.51))
  44                         local obj = minetest.add_entity({x=s_pos.x+dropdir.x,y=s_pos.y+dropdir.y,z=s_pos.z+dropdir.z}, id.."_flying")
  45                         local velocity = 22
  46                         obj:set_velocity({x=dropdir.x*velocity,y=dropdir.y*velocity,z=dropdir.z*velocity})
  47                         obj:set_acceleration({x=dropdir.x*-3, y=-9.8, z=dropdir.z*-3})
  48                 end
  49     })
  50
  51     local w = 0.7
  52
  53     minetest.register_entity(id.."_flying",{
  54         textures = {splash_image(color)},
  55                 hp_max = 1,
  56                 visual_size = {x=w/2,y=w/2},
  57                 collisionbox = {0,0,0,0,0,0},
  58         on_step = function(self, dtime)
  59           local pos = self.object:getpos()
  60           local node = minetest.get_node(pos)
  61           local n = node.name
  62                                         local d = 2
  63                                         local redux_map = {7/8,0.5,0.25}
  64                                 if n ~= "air" and n ~= "mcl_portals:portal" and n ~= "mcl_portals:portal_end" or mcl_potions.is_obj_hit(self, pos) then
  65                                                 minetest.sound_play("mcl_potions_breaking_glass", {pos = pos, max_hear_distance = 16, gain = 1})
  66                                                 minetest.add_particlespawner({
  67                                                                                                                                                                 amount = 50,
  68                                                                                                                                                                 time = 2,
  69                                                                                                                                                                 minpos = {x=pos.x-d, y=pos.y+0.5, z=pos.z-d},
  70                                                                                                                                                                 maxpos = {x=pos.x+d, y=pos.y+d, z=pos.z+d},
  71                                                                                                                                                                 minvel = {x=-1, y=0, z=-1},
  72                                                                                                                                                                 maxvel = {x=1, y=0.5, z=1},
  73                                                                                                                                                                 minacc = {x=-0.5, y=0, z=-0.5},
  74                                                                                                                                                                 maxacc = {x=0.5, y=.2, z=0.5},
  75                                                                                                                                                                 minexptime = 1,
  76                                                                                                                                                                 maxexptime = 3,
  77                                                                                                                                                                 minsize = 2,
  78                                                                                                                                                                 maxsize = 4,
  79                                                                                                                                                                 collisiondetection = true,
  80                                                                                                                                                                 vertical = false,
  81                                                                                                                                                                 texture = "mcl_potions_sprite.png^[colorize:"..color..":127",
  82                                                                                                                                                         })
  83                                 self.object:remove()
  84                                                 for _,obj in pairs(minetest.get_objects_inside_radius(pos, 4)) do
  85
  86                                                         local entity = obj:get_luaentity()
  87                                                         if obj:is_player() or entity._cmi_is_mob then
  88
  89                                                                 local pos2 = obj:get_pos()
  90                                                                 local rad = math.floor(math.sqrt((pos2.x-pos.x)^2 + (pos2.y-pos.y)^2 + (pos2.z-pos.z)^2))
  91                                                                 if rad > 0 then def.potion_fun(obj, redux_map[rad]) else def.potion_fun(obj, 1) end
  92
  93                                                         end
  94                                                 end
  95
  96                                         end
  97         end,
  98     })
  99 end
 100
 101 local function time_string(dur)
 102         return math.floor(dur/60)..string.format(":%02d",math.floor(dur % 60))
 103 end
 104
 105 local splash_DUR = mcl_potions.DURATION*mcl_potions.SPLASH_FACTOR
 106 local splash_DUR_2 = mcl_potions.DURATION_2*mcl_potions.SPLASH_FACTOR
 107 local splash_DUR_pl = mcl_potions.DURATION_PLUS*mcl_potions.SPLASH_FACTOR
 108
 109
 110
 111 -- register_splash("weakness", S("Weakness Splash Potion"), "#6600AA", {
 112 --      potion_fun = function(player, redx) mcl_potions.weakness_func(player, -4, splash_DUR*mcl_potions.INV_FACTOR*redx) end,
 113 --      -- TODO: Fix tooltip
 114 --      tt = time_string(splash_DUR*mcl_potions.INV_FACTOR)
 115 -- })
 116 --
 117 -- register_splash("weakness_plus", S("Weakness Splash Potion +"), "#7700BB", {
 118 --      potion_fun = function(player, redx) mcl_potions.weakness_func(player, -4, splash_DUR_pl*mcl_potions.INV_FACTOR*redx) end,
 119 --      -- TODO: Fix tooltip
 120 --      tt = time_string(splash_DUR_pl*mcl_potions.INV_FACTOR)
 121 -- })
 122 --
 123 -- register_splash("strength", S("Strength Splash Potion"), "#D444D4", {
 124 --      potion_fun = function(player, redx) mcl_potions.strength_func(player, 3, splash_DUR*redx) end,
 125 --      -- TODO: Fix tooltip
 126 --      tt = time_string(splash_DUR)
 127 -- })
 128 --
 129 -- register_splash("strength_2", S("Strength Splash Potion II"), "#D444F4", {
 130 --      potion_fun = function(player, redx) mcl_potions.strength_func(player, 6, splash_DUR_2*redx) end,
 131 --      -- TODO: Fix tooltip
 132 --      tt = time_string(splash_DUR_2)
 133 -- })
 134 --
 135 -- register_splash("strength_plus", S("Strength Splash Potion +"), "#D444E4", {
 136 --      potion_fun = function(player, redx) mcl_potions.strength_func(player, 3, splash_DUR_pl*redx) end,
 137 --      -- TODO: Fix tooltip
 138 --      tt = time_string(splash_DUR_pl)
 139 -- })