Initial commit

LICENSE.md

@@ -0,0 +1,29 @@
+# Code
+All code (*.lua) is licensed under the MIT license:
+```
+MIT License
+
+Copyright (c) 2023 ekl
+
+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.
+```
+
+# Textures and models
+
+All textures and models (*.png, *.obj) are licensed under [CC0](https://creativecommons.org/publicdomain/zero/1.0/).

README.md

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+# Splooshy Bombs
+
+Weapons using the Splooshy Bombs API.
+
+Current weapons:
+Grenade (explodes on contact)
+RPG
+
+Note: The RPG has some intentionally funky ballistics. Aim high to account for gravity and the burn characteristics.

modpack.conf

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+name = splooshy_bombs
+title = Splooshy Bombs
+description = Block-flinging explosive weapons (grenade and RPG)
+depends = splooshy_bombs_api

splooshy_bombs_grenade/init.lua

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+local grenadeDuration = 10
+local gravity = 9.8
+
+minetest.register_entity("splooshy_bombs_grenade:grenade_entity", {
+  initial_properties = {
+    visual = "sprite",
+    textures = {"splooshy_bombs_grenade_pulled.png"}
+  },
+  _age = 0,
+  _last_pos = false,
+  on_step = function(self, dtime, moveresult)
+    self._age = self._age + dtime
+    local obj = self.object
+    if not obj then
+      return
+    end
+
+    if self._age > grenadeDuration then
+      splooshy_bombs.boom(obj:get_pos(), 4, 50, nil, 0, true, true)
+      obj:remove()
+      return
+    end
+
+    obj:add_velocity(vector.new(0, -gravity * dtime, 0))
+
+    local current_pos = obj:get_pos()
+    if not self._last_pos then -- Fallback to approximation if not available
+      self._last_pos = current_pos:subtract(obj:get_velocity() * dtime)
+    end
+    -- Slight offset backwards in an attempt to reduce phasing
+    local last_pos = self._last_pos:add(obj:get_velocity():normalize():multiply(0.1))
+    self._last_pos = current_pos
+
+    local hit = Raycast(last_pos, current_pos, false, true):next()
+    if hit then
+      splooshy_bombs.boom(hit.under or current_pos, 4, {
+        damage = 50,
+        damage_radius = 8,
+        vaporize = false
+      })
+      obj:remove()
+    end
+  end
+})
+
+minetest.register_tool("splooshy_bombs_grenade:grenade", {
+  description = "Grenade",
+  visual = "wielditem",
+  inventory_image = "splooshy_bombs_grenade.png",
+  on_use = function(itemstack, user, pointed_thing)
+    local entity = minetest.add_entity(user:get_pos():offset(0, user:get_properties().eye_height, 0),
+        "splooshy_bombs_grenade:grenade_entity", nil)
+    if entity then
+      entity:set_velocity(user:get_velocity():add(user:get_look_dir():multiply(30)))
+    end
+    if not (minetest.check_player_privs(user, "creative")) then
+      return ItemStack()
+    end
+  end
+})

splooshy_bombs_grenade/mod.conf

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+name = splooshy_bombs_grenade
+title = Splooshy Bombs Grenade
+description = Hand Grenade
+depends = splooshy_bombs_api

splooshy_bombs_rpg/init.lua

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+local rocketExpireSeconds = 10
+local rocketPropulsionSeconds = 1.5
+local rocketGravity = 9.8
+
+-- Todo fix model/textures
+minetest.register_entity("splooshy_bombs_rpg:rpg_entity", {
+  initial_properties = {
+    visual = "mesh",
+    mesh = "splooshy_bombs_rpg.obj",
+    textures = {"splooshy_bombs_rpg_body.png", "splooshy_bombs_rpg_head.png"}
+  },
+  _age = 0,
+  _last_pos = false,
+  on_step = function(self, dtime, moveresult)
+    self._age = self._age + dtime
+    local obj = self.object
+    if not obj then
+      return
+    end
+
+    if self._age > rocketExpireSeconds then
+      obj:remove()
+      return
+    end
+
+    if self._age < rocketPropulsionSeconds then
+      obj:add_velocity(vector.new(0, 0, dtime * 100 * (math.min(self._age ^ 2, 1))):rotate(obj:get_rotation()))
+    end
+
+    obj:add_velocity(vector.new(0, -rocketGravity * dtime, 0))
+
+    local current_pos = obj:get_pos()
+    if not self._last_pos then -- Fallback to approximation if not available
+      self._last_pos = current_pos:subtract(obj:get_velocity() * dtime)
+    end
+    -- Slight offset backwards in an attempt to reduce phasing
+    local last_pos = self._last_pos:add(obj:get_velocity():normalize():multiply(0.1))
+    self._last_pos = current_pos
+
+    local hit = Raycast(last_pos, current_pos, false, true):next()
+    if hit then
+      splooshy_bombs.boom(hit.under or current_pos, 5, {
+        damage = 50,
+        damage_radius = 7,
+        vaporize = false,
+        velocity = obj:get_velocity():multiply(0.05):offset(0, 20, 0)
+      }, nil)
+      obj:remove()
+    end
+  end
+})
+
+minetest.register_tool("splooshy_bombs_rpg:rocket_tube_loaded", {
+  description = "Rocket launcher",
+  visual = "wielditem",
+  inventory_image = "splooshy_bombs_rpg_loaded.png",
+  on_use = function(itemstack, user, pointed_thing)
+    local entity = minetest.add_entity(user:get_pos():offset(0, user:get_properties().eye_height, 0),
+        "splooshy_bombs_rpg:rpg_entity", nil)
+    if entity then
+      entity:set_velocity(user:get_velocity():add(user:get_look_dir():multiply(20)))
+      entity:set_rotation(user:get_look_dir():dir_to_rotation())
+    end
+    if not (minetest.check_player_privs(user, "creative")) then
+      return ItemStack("splooshy_bombs_rpg:rocket_tube")
+    end
+  end
+})
+
+minetest.register_craftitem("splooshy_bombs_rpg:rocket_tube", {
+  description = "Rocket launcher",
+  visual = "wielditem",
+  inventory_image = "splooshy_bombs_rpg_unloaded.png"
+})
+
+minetest.register_craftitem("splooshy_bombs_rpg:rocket", {
+  description = "RPG Rocket",
+  visual = "wielditem",
+  inventory_image = "splooshy_bombs_rpg_rocket.png"
+})
+
+minetest.register_craft({
+  type = "shapeless",
+  output = "splooshy_bombs_rpg:rocket_tube_loaded",
+  recipe = {"splooshy_bombs_rpg:rocket_tube", "splooshy_bombs_rpg:rocket"}
+})

splooshy_bombs_rpg/mod.conf

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+name = splooshy_bombs_rpg
+title = Splooshy Bombs RPG
+description = RPG/Rocket launcher
+depends = splooshy_bombs_api

splooshy_bombs_rpg/models/splooshy_bombs_rpg.obj

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