From 2554597b0aa93af53ddfc14f5b4d63898f3563f3 Mon Sep 17 00:00:00 2001
From: H5N3RG <janguenni13@web.de>
Date: Fri, 12 Sep 2025 22:57:21 +0200
Subject: [PATCH] Update llm_materials_context.lua

Signed-off-by: H5N3RG <janguenni13@web.de>
---
 llm_materials_context.lua | 42 ++++++++++++++++++++++++++++-----------
 1 file changed, 30 insertions(+), 12 deletions(-)

diff --git a/llm_materials_context.lua b/llm_materials_context.lua
index 83a7c96..23cfdf7 100644
--- a/llm_materials_context.lua
+++ b/llm_materials_context.lua
@@ -2,59 +2,77 @@
 
 local M = {}
 
+-- Cache for materials to avoid recomputation
+local materials_cache = nil
+local materials_cache_hash = nil
+
+-- Compute a hash for registered items to detect changes
+local function compute_materials_hash()
+    local str = ""
+    for name, _ in pairs(core.registered_nodes) do str = str .. name end
+    for name, _ in pairs(core.registered_craftitems) do str = str .. name end
+    for name, _ in pairs(core.registered_tools) do str = str .. name end
+    for name, _ in pairs(core.registered_entities) do str = str .. name end
+    return core.sha1(str)
+end
+
 -- Function to collect available materials
 function M.get_available_materials()
+    local current_hash = compute_materials_hash()
+    if materials_cache and materials_cache_hash == current_hash then
+        return materials_cache
+    end
+
     local materials_info = {}
-    local current_mod_name = core.get_current_modname() -- Useful for debugging or filtering
+    local current_mod_name = core.get_current_modname()
 
     -- Collect nodes
     for name, def in pairs(core.registered_nodes) do
-        -- Filter out builtin nodes that aren't really "materials"
         if not name:match("^__builtin:") and not name:match("^ignore$") and not name:match("^air$") then
-            table.insert(materials_info, "  - Node: " .. name .. " (Description: " .. (def.description or "N/A") .. ")")
-            -- Optional: Add other relevant info like groups
-            -- table.insert(materials_info, "    Groups: " .. core.privs_to_string(def.groups))
+            table.insert(materials_info, "Node: " .. name)
         end
     end
 
     -- Collect craftitems
     for name, def in pairs(core.registered_craftitems) do
         if not name:match("^__builtin:") then
-            table.insert(materials_info, "  - Craftitem: " .. name .. " (Description: " .. (def.description or "N/A") .. ")")
+            table.insert(materials_info, "Craftitem: " .. name)
         end
     end
 
     -- Collect tools
     for name, def in pairs(core.registered_tools) do
         if not name:match("^__builtin:") then
-            table.insert(materials_info, "  - Tool: " .. name .. " (Description: " .. (def.description or "N/A") .. ")")
+            table.insert(materials_info, "Tool: " .. name)
         end
     end
 
     -- Collect entities
     for name, def in pairs(core.registered_entities) do
         if not name:match("^__builtin:") then
-            table.insert(materials_info, "  - Entity: " .. name .. " (Description: " .. (def.description or "N/A") .. ")")
+            table.insert(materials_info, "Entity: " .. name)
         end
     end
 
-    -- Limit the output to avoid exceeding the LLM's token limits
-    local max_items_to_list = 100 -- You can adjust this value
+    -- Limit the output
+    local max_items_to_list = 50 -- Reduced for token efficiency
     local total_items = #materials_info
     local output_string = ""
 
     if total_items > 0 then
         output_string = "Registered materials (" .. total_items .. " in total):\n"
         for i = 1, math.min(total_items, max_items_to_list) do
-            output_string = output_string .. materials_info[i] .. "\n"
+            output_string = output_string .. "  - " .. materials_info[i] .. "\n"
         end
         if total_items > max_items_to_list then
-            output_string = output_string .. "  ... and " .. (total_items - max_items_to_list) .. " more materials (truncated for brevity).\n"
+            output_string = output_string .. "  ... and " .. (total_items - max_items_to_list) .. " more materials (truncated).\n"
         end
     else
         output_string = "No registered materials found.\n"
     end
 
+    materials_cache = output_string
+    materials_cache_hash = current_hash
     return output_string
 end