121 lines
3.3 KiB
Lua
121 lines
3.3 KiB
Lua
grenades = {}
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local function throw_grenade(name, player)
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local dir = player:get_look_dir()
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local pos = player:get_pos()
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local obj = minetest.add_entity({x = pos.x + dir.x, y = pos.y + 1.6, z = pos.z + dir.z}, name)
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obj:set_velocity({x = dir.x * 40, y = dir.y * 40, z = dir.z * 40})
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obj:set_acceleration({x = dir.x * -12, y = -41, z = dir.z * -12})
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return(obj:get_luaentity())
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end
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function grenades.register_grenade(name, def)
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if not def.timeout then
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def.timeout = 5
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end
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local grenade_entity = {
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physical = false,
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collide_with_objects = true,
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timer = 0,
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visual = "sprite",
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visual_size = {x = 1, y = 1, z = 1},
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textures = {def.image},
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collisionbox = {1, 1, 1, 1, 1, 1},
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on_step = function(self, dtime)
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local obj = self.object
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local pos = obj:get_pos()
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local node = minetest.get_node(vector.add(pos, vector.normalize(obj:get_velocity())))
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if self.particle == nil then
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self.particle = 0
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end
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if self.timer then
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self.timer = self.timer + dtime
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else
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self.timer = dtime
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end
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if def.particle and self.particle >= 4 then
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self.particle = 0
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minetest.add_particle({
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pos = obj:get_pos(),
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velocity = vector.divide(obj:get_velocity(), 2),
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acceleration = vector.divide(obj:get_acceleration(), -5),
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expirationtime = def.particle.life,
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size = def.particle.size,
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collisiondetection = true,
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collision_removal = true,
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vertical = false,
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texture = def.particle.image,
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glow = def.particle.glow
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})
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elseif def.particle and self.particle < def.particle.interval then
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self.particle = self.particle + 1
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end
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if self.timer > def.timeout or node.name ~= "air" then
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if self.thrower_name then
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minetest.log("[Grenades] A grenade thrown by "..self.thrower_name..
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" is exploding at "..minetest.pos_to_string(pos))
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def.on_explode(pos, self.thrower_name)
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else
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minetest.chat_send_all(minetest.colorize("red", "[Error] self.thrower_name on line 62"..
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" (grenades/init.lua) was nil. Removing grenade"))
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minetest.log("[Error] self.thrower_name on line 62 (grenades/init.lua) was nil. Removing grenade")
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end
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obj:remove()
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end
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end
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}
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minetest.register_entity("grenades:grenade_"..name, grenade_entity)
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local newdef = {}
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newdef.description = def.description
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newdef.stack_max = 1
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newdef.range = 4
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newdef.inventory_image = def.image
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newdef.on_use = function(itemstack, user, pointed_thing)
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local player_name = user:get_player_name()
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if pointed_thing.type ~= "node" then
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local grenade = throw_grenade("grenades:grenade_"..name, user)
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grenade.timer = 0
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grenade.thrower_name = player_name
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if not minetest.settings:get_bool("creative_mode") then
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itemstack = ""
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end
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end
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return itemstack
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end
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if def.placeable == true then
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newdef.tiles = {def.image}
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newdef.selection_box = {
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type = "fixed",
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fixed = {-0.3, -0.5, -0.3, 0.3, 0.4, 0.3},
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}
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newdef.groups = {oddly_breakable_by_hand = 2}
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newdef.paramtype = "light"
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newdef.sunlight_propagates = true
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newdef.walkable = false
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newdef.drawtype = "plantlike"
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minetest.register_node("grenades:grenade_"..name, newdef)
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else
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minetest.register_craftitem("grenades:grenade_"..name, newdef)
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end
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end
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dofile(minetest.get_modpath("grenades").."/grenades.lua")
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