fixed arm jittering

block_values.lua

@@ -61,6 +61,11 @@ minetest.register_on_mods_loaded(function()
             --random_deviation = .1
             behavior_type = "ignore"
         end
+        --"rolled homogenous armor"
+        if behavior_type=="ignore" then
+            RHA=0
+            random_deviation=0
+        end
         Guns4d.node_properties[i] = {mmRHA=RHA*1000, random_deviation=random_deviation, behavior=behavior_type}
     end
 end)

classes/Gun.lua

@@ -1062,12 +1062,10 @@ function gun_default:update_animation_rotation()
                 out = vector.new(self.b3d_model.global_frames.rotation[frame1]:to_euler_angles_unpack())*180/math.pi
                 --print("rawsent")
             else --to stop nan
-                local ip_ratio = current_frame-frame1
+                local ip_ratio = (current_frame-frame1)/(frame2-frame1)
                 local vec1 = self.b3d_model.global_frames.rotation[frame1]
                 local vec2 = self.b3d_model.global_frames.rotation[frame2]
                 out = vector.new(vec1:slerp(vec2, ip_ratio):to_euler_angles_unpack())*180/math.pi
-                --out = vec1+((vec1-vec2)*ip_ratio) --they're euler angles... actually I wouldnt think this works, but it's good enough for my purposes.
-                --print("interpolated")
             end
         else
             out = vector.copy(self.b3d_model.global_frames.rotation[1])
@@ -1083,8 +1081,8 @@ end
 local out = {arm_left=vector.new(), arm_right=vector.new()}
 function gun_default:get_arm_aim_pos()
     local current_frame = self.animation_data.current_frame+1
-    local frame1 = (math.floor(current_frame)/self.consts.KEYFRAME_SAMPLE_PRECISION)
+    local frame1 = math.floor(current_frame/self.consts.KEYFRAME_SAMPLE_PRECISION)
-    local frame2 = (math.floor(current_frame)/self.consts.KEYFRAME_SAMPLE_PRECISION)+1
+    local frame2 = math.floor(current_frame/self.consts.KEYFRAME_SAMPLE_PRECISION)+1
     current_frame = current_frame/self.consts.KEYFRAME_SAMPLE_PRECISION
 
     for i, v in pairs(out) do
@@ -1093,9 +1091,10 @@ function gun_default:get_arm_aim_pos()
                 if (not self.b3d_model.global_frames[i][frame2]) or (current_frame==frame1) then
                     out[i] = vector.copy(self.b3d_model.global_frames[i][frame1])
                 else --to stop nan
-                    local ip_ratio = current_frame-frame1
+                    local ip_ratio = (current_frame-frame1)/(frame2-frame1)
                     local vec1 = self.b3d_model.global_frames[i][frame1]
                     local vec2 = self.b3d_model.global_frames[i][frame2]
+                    print(current_frame, frame1, frame2, ip_ratio)
                     out[i] = vec1+((vec1-vec2)*ip_ratio)
                 end
             else

classes/gun_construct.lua

@@ -110,7 +110,6 @@ function gun_default:construct_instance()
         })
     end
     if self.custom_construct then self:custom_construct() end
-    self.properties = mtul.class.proxy_table:new(self.properties)
 end
 
 --[[
@@ -282,6 +281,7 @@ function gun_default:construct_base_class()
     for _, v in pairs(self.properties.ammo.accepted_magazines) do
         self.accepted_magazines[v] = true
     end
+    self.properties = mtul.class.proxy_table:new(self.properties)
 
     Guns4d.gun._registered[self.name] = self --add gun self to the registered table
     register_visual_entity(self, props)  --register the visual entity

guide_book.lua

@@ -0,0 +1,75 @@
+local show_guide
+minetest.register_tool("guns4d:guide_book", {
+    description = "mysterious gun related manual",
+    inventory_image = "guns4d_guide.png",
+    on_use = function(itemstack, player, pointed)
+        show_guide(player,1)
+    end,
+    on_place = function(itemstack, player, pointed_thing)
+        if pointed_thing and (pointed_thing.type == "node") then
+            local pname = player:get_player_name()
+            local node = minetest.get_node(pointed_thing.under).name
+            local props = Guns4d.node_properties[node]
+            if props.behavior~="ignore" then
+                minetest.chat_send_player(pname,  math.ceil(props.mmRHA).."mm of \"Rolled Homogenous Armor\" per meter")
+                minetest.chat_send_player(pname,  (math.ceil(props.random_deviation*100)/100).."° of deviation per meter")
+            else
+                minetest.chat_send_player(pname,  "bullets pass through this block like air")
+            end
+        end
+    end
+})
+local pages = {
+    --first page, diagram of m4 and controls
+    "\
+    size[7.5,10.5]\
+    image[0,0;7.5,10.5;guns4d_guide_cover.png]\
+    ",
+    "\
+    size[15,10.5]\
+    image[0,0;15,10.5;m4_diagram_text_en.png]\
+    image[0,0;15,10.5;m4_diagram_overlay.png]\
+    ",
+    "\
+    size[15,10.5]\
+    image[0,0;15,10.5;guns4d_guide_page_2.png]\
+    "
+    --
+}
+function show_guide(player, page)
+    player:hud_set_flags({wielditem=false})
+    local form = pages[page]
+    form = "\
+    formspec_version[6]\
+    "..form
+    if page==1 then
+        form=form.."\
+        button[5.5,9.5;.7,.5;page_next;next]"
+    else
+        form=form.."\
+        image[0,0;15,10.5;page_crinkles.png]\
+        button[13.75,9.75;.7,.5;page_next;next]\
+        button[.6,9.75;.7,.5;page_back;back]\
+        field[5.6,9.8;.7,.5;page_number;page;"..page.."]\
+        field_close_on_enter[page_number;false]\
+        label[6.25,10.05; /"..#pages.."]"
+    end
+    --button[<X>,<Y>;<W>,<H>;page_turn;<label>]\
+    --field[<X>,<Y>;<W>,<H>;<name>;<label>;<default>]
+
+    minetest.show_formspec(player:get_player_name(), "guns4d:guide", form)
+end
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+    if formname == "guns4d:guide" then
+        if (fields.page_number and tonumber(fields.page_number)) or not fields.page_number then
+            fields.page_number = fields.page_number or 1
+            local num = tonumber(fields.page_number)+((fields.page_next and 1) or (fields.page_back and -1) or 0)
+            show_guide(player,
+                (pages[num] and num)   or   ((num > 1) and #pages)   or   1
+            )
+        end
+        if fields.quit then
+            player:hud_set_flags({wielditem=true})
+        end
+    end
+end)

init.lua

@@ -60,6 +60,7 @@ dofile(modpath.."/default_controls.lua")
 dofile(modpath.."/touch_support.lua")
 dofile(modpath.."/block_values.lua")
 dofile(modpath.."/ammo_api.lua")
+dofile(modpath.."/guide_book.lua")
 local path = modpath .. "/classes"
 dofile(path.."/Bullet_hole.lua")
 dofile(path.."/Bullet_ray.lua")

textures/guns4d_guide_cover.svg

@@ -0,0 +1,227 @@
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+       id="tspan3"><tspan
+         style="font-family:'Britannic Bold';-inkscape-font-specification:'Britannic Bold, ';fill:#f9c923"
+         id="tspan2">Basic Weapons Handling</tspan></tspan></text>
+  <text
+     xml:space="preserve"
+     id="text133"
+     style="font-style:normal;font-weight:normal;font-size:42.6667px;line-height:1.25;font-family:sans-serif;white-space:pre;shape-inside:url(#rect133);display:inline;fill:#c98e09;fill-opacity:1;stroke:none;filter:url(#filter54)"
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+         id="tspan4">First edition</tspan></tspan></text>
+  <text
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+       id="tspan7"><tspan
+         style="font-family:'Britannic Bold';-inkscape-font-specification:'Britannic Bold, '"
+         id="tspan6">author: Fatalist Error</tspan></tspan></text>
+</svg>