Noch ein paar mehr Mods

mods/wisp/LICENSE

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+MIT License
+
+Copyright (c) 2021 ElCeejo
+
+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.

mods/wisp/init.lua

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+wisp = {}
+
+wisp.wisps = {}
+wisp.jars = {}
+
+-----------------
+-- Mod Storage --
+-----------------
+
+local mod_storage = minetest.get_mod_storage()
+
+local data = {
+    wisps = minetest.deserialize(mod_storage:get_string("wisps")) or {},
+    jars = minetest.deserialize(mod_storage:get_string("jars")) or {},
+}
+
+local function save()
+    mod_storage:set_string("wisps", minetest.serialize(data.wisps))
+    mod_storage:set_string("jars", minetest.serialize(data.jars))
+end
+
+minetest.register_on_shutdown(save)
+minetest.register_on_leaveplayer(save)
+
+local function periodic_save()
+    save()
+    minetest.after(120, periodic_save)
+end
+minetest.after(120, periodic_save)
+
+wisp.wisps = data.wisps
+wisp.jars = data.jars
+
+----------
+-- Math --
+----------
+
+local random = math.random
+local abs = math.abs
+local function interp(a, b, w) return a + (b - a) * w end
+
+local function wisp_visual(pos, color)
+    local random_vel = {
+        x = random(-1, 1),
+        y = -1,
+        z = random(-1, 1)
+    }
+    local random_offset = {
+        x = pos.x + (random(-1, 1) * 0.1),
+        y = pos.y + (random(-1, 1) * 0.1),
+        z = pos.z + (random(-1, 1) * 0.1)
+    }
+    minetest.add_particle({
+        pos = random_offset,
+        velocity = random_vel,
+        acceleration = {
+            x = 0,
+            y = random(6, 8),
+            z = 0,
+        },
+        expirationtime = 0.1,
+        size = random(3, 5),
+        texture = "wisp_".. color .. ".png",
+        glow = 6
+    })
+end
+
+local function wisped_effect(pos, color)
+    minetest.add_particlespawner({
+        amount = 2,
+        time = 0.1,
+        minpos = vector.subtract(pos, 0.5),
+        maxpos = vector.add(pos, 0.5),
+        minvel = {
+            x = -0.5,
+            y = 0.5,
+            z = -0.5
+        },
+        maxvel = {
+            x = 0.5,
+            y = 1,
+            z = 0.5
+        },
+        minacc = {
+            x = 0,
+            y = 2,
+            z = 0
+        },
+        maxacc = {
+            x = 0,
+            y = 4,
+            z = 0
+        },
+        minexptime = 0.5,
+        maxexptime = 1,
+        minsize = 1,
+        maxsize = 2,
+        collisiondetection = false,
+        texture = "wisp_" .. color .. "_particle.png",
+        glow = 6
+    })
+end
+
+---------
+-- API --
+---------
+
+local wisp_colors = {
+    "red",
+    "green",
+    "blue",
+}
+
+local function create_wisp(pos, color)
+    local wisp_color = color
+    if not color
+    or string.len(color) == 0 then
+        wisp_color = wisp_colors[random(3)]
+    end
+    local wisp_d = {
+        pos = pos,
+        new_pos = pos,
+        self_dtime = 0,
+        lifetime = 0,
+        color = wisp_color
+    }
+    table.insert(wisp.wisps, wisp_d)
+end
+
+minetest.register_chatcommand("add_wisp", {
+	params = "<color>",
+	description = "Spawns a Wisp",
+    privs = {server = true},
+	func = function(name, color)
+        local pos = minetest.get_player_by_name(name):get_pos()
+		create_wisp(pos, color)
+	end,
+})
+
+minetest.register_chatcommand("clear_wisps", {
+	params = "<color>",
+	description = "Clears Wisps",
+    privs = {server = true},
+	func = function(name, color)
+        wisp.wisps = {}
+	end,
+})
+
+
+minetest.register_globalstep(function(dtime)
+    for i = 1, #wisp.wisps do
+        local c_wisp = wisp.wisps[i]
+        if not c_wisp then return end
+        local pos = c_wisp.pos
+        local color = c_wisp.color
+        local lifetime = c_wisp.lifetime or 0
+        local self_dtime = c_wisp.self_dtime or 0
+        local move_time = c_wisp.move_time or 0
+        lifetime = lifetime + dtime
+        wisp_visual(pos, color)
+        c_wisp.self_dtime = self_dtime + dtime
+        if self_dtime > 0.1 then
+            -- Movement
+            move_time = move_time + 0.1
+            if move_time > 2 then
+                if random(3) > 1 then
+                    local new_pos = vector.add(pos, random(-3, 3))
+                    if minetest.get_node(new_pos).name == "air" then
+                        c_wisp.new_pos = new_pos
+                    end
+                else
+                    move_time = 0
+                end
+            end
+            if vector.distance(pos, c_wisp.new_pos) > 0.2 then
+                c_wisp.pos = {
+                    x = interp(pos.x, c_wisp.new_pos.x, 0.05),
+                    y = interp(pos.y, c_wisp.new_pos.y, 0.05),
+                    z = interp(pos.z, c_wisp.new_pos.z, 0.05)
+                }
+            end
+            -- Left-click detection
+            local objects = minetest.get_objects_inside_radius(pos, 6)
+            for n = 1, #objects do
+                local obj = objects[n]
+                if obj
+                and obj:is_player() then
+                    local p_pos = obj:get_pos()
+                    p_pos.y = p_pos.y + 1.4
+                    local dir = vector.direction(p_pos, pos)
+                    local flee_dir = {
+                        x = dir.x,
+                        y = random(-1, 1),
+                        z = dir.z
+                    }
+                    c_wisp.new_pos = vector.add(pos, flee_dir)
+                    if obj:get_player_control().LMB
+                    and obj:get_wielded_item():get_name() == "wisp:jar" then
+                        local look_dir = obj:get_look_dir()
+                        if math.abs(vector.length(vector.subtract(dir, look_dir))) < 0.1 then
+                            obj:set_wielded_item("wisp:jar_" .. color)
+                            table.remove(wisp.wisps, i)
+                        end
+                    end
+                end
+            end
+            self_dtime = 0
+        end
+        if lifetime > 60 then
+            table.remove(wisp.wisps, i)
+        end
+    end
+    for i = 1, #wisp.jars do
+        if not wisp.jars[i] then return end
+        local pos = wisp.jars[i].pos
+        if minetest.get_node(pos).name == "ignore"
+        or minetest.get_node(pos).name:match("^wisp:jar_") then
+            local color = wisp.jars[i].color
+            wisp_visual(pos, color)
+            if color == "green"
+            and random(256) < 2 then
+                local nodes = minetest.find_nodes_in_area_under_air(vector.subtract(pos, 5), vector.add(pos, 5), {"group:grass", "group:plant", "group:flora"})
+                if #nodes > 0 then
+                    for n = 1, #nodes do
+                        grow_crops(nodes[n], minetest.get_node(nodes[n]).name)
+                    end
+                end
+            end
+            if color == "blue"
+            and random(64) < 2 then
+                local nodes = minetest.find_nodes_in_area_under_air(vector.subtract(pos, 5), vector.add(pos, 5), "group:fire")
+                if #nodes > 0 then
+                    for n = 1, #nodes do
+                        minetest.remove_node(nodes[n])
+                        wisped_effect(nodes[n], color)
+                    end
+                end
+            end
+            if color == "red"
+            and random(64) < 2 then
+                local nodes = minetest.find_nodes_in_area_under_air(vector.subtract(pos, 5), vector.add(pos, 5), {"group:grass", "group:plant", "group:flora"})
+                if #nodes > 0 then
+                    for n = 1, #nodes do
+                        minetest.remove_node(nodes[n])
+                        wisped_effect(nodes[n], color)
+                    end
+                end
+            end
+        else
+            table.remove(wisp.jars, i)
+        end
+    end
+end)
+
+minetest.register_abm({
+    label = "wisp:spawning",
+    nodenames = {"group:tree"},
+    neighbors = {"air"},
+    interval = 120,
+    chance = 512,
+    action = function(pos)
+        create_wisp(vector.add(pos, random(-3, 3)))
+    end
+})
+
+-----------
+-- Nodes --
+-----------
+
+minetest.register_node("wisp:jar", {
+    description = "Jar",
+    inventory_image = "wisp_jar_inv.png",
+    wield_image = "wisp_jar_inv.png",
+    drawtype = "mesh",
+    mesh = "wisp_jar.obj",
+    tiles = {"wisp_jar.png"},
+    paramtype = "light",
+    sunlight_propagates = true,
+    selection_box = {
+        type = "fixed",
+        fixed = {-0.315, -0.5, -0.315, 0.315, 0.265, 0.315},
+    },
+    collision_box = {
+        type = "fixed",
+        fixed = {-0.315, -0.5, -0.315, 0.315, 0.265, 0.315},
+    },
+    groups = {cracky = 1, oddly_breakable_by_hand = 2},
+    stack_max = 1
+})
+
+for i = 1, 3 do
+    local color = wisp_colors[i]
+    minetest.register_node("wisp:jar_" .. color, {
+        description = "Jar with " .. color .. " Wisp",
+        inventory_image = "wisp_jar_" .. color .. "_inv.png",
+        wield_image = "wisp_jar_" .. color .. "_inv.png",
+        drawtype = "mesh",
+        mesh = "wisp_jar.obj",
+        tiles = {"wisp_jar.png"},
+        paramtype = "light",
+        sunlight_propagates = true,
+        selection_box = {
+            type = "fixed",
+            fixed = {-0.315, -0.5, -0.315, 0.315, 0.265, 0.315},
+        },
+        collision_box = {
+            type = "fixed",
+            fixed = {-0.315, -0.5, -0.315, 0.315, 0.265, 0.315},
+        },
+        groups = {cracky = 1, oddly_breakable_by_hand = 2},
+        stack_max = 1
+    })
+    minetest.register_on_placenode(function(pos, newnode)
+        if newnode.name == "wisp:jar_" .. color then
+            table.insert(wisp.jars, {pos = pos, color = color})
+        end
+    end)
+end
+
+function grow_crops(pos, nodename)
+    local checkname = nodename:sub(1, string.len(nodename) - 1)
+    if minetest.registered_nodes[checkname .. "1"]
+    and minetest.registered_nodes[checkname .. "2"]
+    and minetest.registered_nodes[checkname .. "2"].drawtype == "plantlike" then -- node is more than likely a plant
+        local stage = tonumber(string.sub(nodename, -1)) or 0
+        local newname = checkname .. (stage + 1)
+        if minetest.registered_nodes[newname] then
+            local def = minetest.registered_nodes[newname]
+            def = def and def.place_param2 or 0
+            minetest.set_node(pos, {name = newname, param2 = def})
+            minetest.add_particlespawner({
+                amount = 6,
+                time = 0.1,
+                minpos = vector.subtract(pos, 0.5),
+                maxpos = vector.add(pos, 0.5),
+                minvel = {
+                    x = -0.5,
+                    y = 0.5,
+                    z = -0.5
+                },
+                maxvel = {
+                    x = 0.5,
+                    y = 1,
+                    z = 0.5
+                },
+                minacc = {
+                    x = 0,
+                    y = 2,
+                    z = 0
+                },
+                maxacc = {
+                    x = 0,
+                    y = 4,
+                    z = 0
+                },
+                minexptime = 0.5,
+                maxexptime = 1,
+                minsize = 1,
+                maxsize = 2,
+                collisiondetection = false,
+                vertical = false,
+                use_texture_alpha = true,
+                texture = "wisp_green_particle.png",
+                glow = 6
+            })
+        end
+    end
+end
+
+--------------
+-- Crafting --
+--------------
+
+if minetest.get_modpath("nc_optics")
+and minetest.get_modpath("nc_tree") then
+    nodecore.register_craft({
+		label = "assemble jar",
+		normal = {y = 1},
+		indexkeys = {"nc_optics:shelf", "nc_tree:stick"},
+		nodes = {
+			{match = "nc_tree:stick", replace = "air"},
+			{y = -1, match = "nc_optics:shelf", replace = "wisp:jar"}
+		}
+	})
+else
+    minetest.register_craft({
+        output = "wisp:jar",
+        recipe = {
+            {"group:glass", "group:wood", "group:glass"},
+            {"group:glass", "", "group:glass"},
+            {"group:glass", "group:glass", "group:glass"}
+        }
+    })
+end

mods/wisp/mod.conf

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+name = wisp
+optional_depends = nc_woodwork, nc_optics
+
+release = 8770
+author = ElCeejo
+description = Adds non-entity mobs called Wisps
+title = Wisps

mods/wisp/models/wisp_jar.mtl

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+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl m_0
+Ns 0.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 1
+map_Kd C:\\Users\\ElCeejus\\Documents\\wisp_jar.png

mods/wisp/models/wisp_jar.obj

@@ -0,0 +1,126 @@
+# Blender v2.83.9 OBJ File: ''
+# www.blender.org
+mtllib wisp_jar.mtl
+o cube.000
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