Add wearables API

mods/rgt_armor/init.lua

@@ -0,0 +1,22 @@
+
+
+rgt_cosmetics.register_wearable {
+    name = "ic",
+    attachments = {
+        {
+            mesh = "rgt_armor_torso.gltf",
+            textures = {"rgt_iron_chestplate.png"},
+            bone = "Body"
+        },
+        {
+            mesh = "rgt_armor_right_arm.gltf",
+            textures = {"rgt_iron_chestplate.png"},
+            bone = "RightArm"
+        },
+        {
+            mesh = "rgt_armor_left_arm.gltf",
+            textures = {"rgt_iron_chestplate.png"},
+            bone = "LeftArm"
+        }
+    }
+}

mods/rgt_armor/mod.conf

@@ -0,0 +1,2 @@
+name = rgt_armor
+depends = rgt_cosmetics

mods/rgt_armor/models/rgt_armor_left_arm.gltf

@@ -0,0 +1 @@
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mods/rgt_armor/models/rgt_armor_right_arm.gltf

@@ -0,0 +1 @@
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mods/rgt_armor/models/rgt_armor_torso.gltf

@@ -0,0 +1 @@
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mods/rgt_armor/models/rgt_top_hat.gltf

@@ -0,0 +1 @@
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mods/rgt_cosmetics/init.lua

@@ -3,6 +3,8 @@ rgt_cosmetics = {
 }
 local ns = rgt_cosmetics
 
+include "wearables.lua"
+
 --[[
     {
         name = "", -- Technical name

mods/rgt_cosmetics/wearables.lua

@@ -0,0 +1,118 @@
+
+local ns = rgt_cosmetics
+
+ns.wearables = {}
+
+--[[
+    {
+        name = "", -- Name of the wearable
+        attachments = { -- List of individual attachments managed by this wearable (in case one wearable involves multiple bones)
+            mesh = "", -- The wearable's mesh
+            textures = {"", ...}, -- The wearable's textures
+            bone = ", -- Name of the player bone to attach to
+            pos = <vector>, -- Attachment offset
+            rot = <vector>, -- Attachment rotation
+        }
+    }
+--]]
+function ns.register_wearable(def)
+    ns.wearables[def.name] = def
+end
+
+minetest.register_entity("rgt_cosmetics:wearable", {
+    initial_properties = {
+        visual = "mesh",
+        pointable = false,
+        static_save = false
+    },
+    on_activate = function(e)
+        e.object:set_armor_groups{immortal = 1}
+    end,
+    represent = function(e, form)
+        e.form = form
+        e.object:set_properties {
+            mesh = form.mesh,
+            textures = form.textures
+        }
+        e.object:set_attach(e.owner.object, form.bone, form.pos, form.rot)
+        if form.animation then
+            e.object:set_animation(form.animation, form.animation.frame_speed or 1, nil, form.animation.loop)
+        end
+    end,
+    on_deactivate = function(e, removed)
+        -- Reactivate immediately if we were not explicitly marked for removal.
+        -- This is to prevent wearables from being lost to unloading, and to
+        -- minimize interference from mods that might try to remove objects
+        -- they shouldn't try to remove. Note that we must check get_pos() here
+        -- because, since on_leaveplayer is called _after_ mapblock unloading,
+        -- the entity may otherwise attempt to reactivate itself when its
+        -- owner has left the game (causing a crash).
+        if not e._remove and e.owner.object:get_pos() then
+            e.owner.wearing[e.form.name][e.index] = ns.apply_wearable_part(e.owner, e.form, e.index)
+        end
+    end
+})
+
+function ns.apply_wearable_part(m, w, i)
+    local obj = minetest.add_entity(m.pos, "rgt_cosmetics:wearable")
+    local e = obj:get_luaentity()
+    e.owner = m
+    e.index = i
+    e:represent(w)
+    return obj
+end
+
+function ns.apply_wearable(m, wearable)
+    local w = type(wearable) == "string" and ns.wearables[wearable] or wearable
+    -- Do nothing if we're already wearing this.
+    if m.wearing[w.name] then return end
+    local item = {}
+    for i, x in ipairs(w.attachments) do
+        x.name = w.name
+        item[i] = ns.apply_wearable_part(m, x, i)
+    end
+    m.wearing[w.name] = item
+end
+
+function ns.remove_wearable(m, wearable)
+    if m.wearing[wearable] then
+        for _, x in pairs(m.wearing[wearable]) do
+            -- Explicitly mark the object for removal.
+            x:get_luaentity()._remove = true
+            x:remove()
+        end
+        m.wearing[wearable] = nil
+    end
+end
+
+minetest.register_on_leaveplayer(function(p)
+    local m = rgt.players[p:get_player_name()]
+    for k in pairs(m.wearing) do
+        ns.remove_wearable(m, k)
+    end
+end)
+
+ns.register_wearable {
+    name = "top_hat",
+    attachments = {
+        {
+            mesh = "rgt_top_hat.gltf",
+            textures = {"rgt_top_hat.png"},
+            bone = "Head",
+            pos = vector.new(0, 3.5, 0),
+            rot = vector.new(0, 0, 0)
+        }
+    }
+}
+
+minetest.register_chatcommand("wear", {
+    func = function(name, args)
+        ns.apply_wearable(rgt.players[name], args)
+    end
+})
+
+minetest.register_chatcommand("unwear", {
+    func = function(name, args)
+        ns.remove_wearable(rgt.players[name], args)
+    end
+})

mods/rgt_player/init.lua

@@ -43,10 +43,40 @@ Player = {
         e.hud = {}
         e.poi = {}
         
+        e.wearing = {}
+        
         e:update_hp(p:get_hp())
         
+        e:update_inv()
+        
         return e
     end,
+    update_inv = function(m)
+        m.object:set_formspec_prepend [[
+            bgcolor[#000;true]
+            background9[0,0;0,0;rgt_container_bg.png;true;16,16]
+            style_type[button;border=false;bgimg=rgt_button_bg.png;bgimg_middle=8,8]
+            listcolors[#fff0;#fff3;#0000;#444;#aaa]
+        ]]
+        local fs = "\
+            formspec_version[10]\
+            size[12,10]\
+        "
+        for x = 0, 7 do
+            for y = 0, 3 do
+                fs = fs.."\
+                image["..(x *1.25 +1 -0.0625)..","..(y *1.25 +4.5 -0.0625)..";1.14,1.14;rgt_other_button_bg.png;8,8]\
+                "
+            end
+        end
+        fs = fs.."\
+            list[current_player;main;1,4.5;8,4;]\
+            list[current_player;craft;3,0.5;3,3;]\
+            listring[]\
+            list[current_player;craftpreview;7,1;1,1;]\
+        "
+        m.object:set_inventory_formspec(fs)
+    end,
     update_hp = function(m, hp)
         if not (m.health_display and m.health_display:is_valid()) then
             local pos = m.object:get_pos() or vector.zero()
@@ -109,6 +139,8 @@ Player = {
             wield_item = def.name
         }
         m.wielditem_display:set_attach(m.object, "RightArm", pos, rot)
+        -- Apparently this forces a resend so that properties and attachment position will sync up?
+        m.wielditem_display:set_pos(m.wielditem_display:get_pos())
     end,
     tick = function(m, dtime)
         local time = minetest.get_us_time()
@@ -333,6 +365,7 @@ Player = {
     end,
     deinit = function(m)
         m.health_display:remove()
+        m.wielditem_display:remove()
         rgt.players[m.name] = nil
     end
 }