Editor now can read circuits

circuits.lua

@@ -202,8 +202,42 @@ function logikraft.compileCircuit(poz)
         connections[k] = connections[k].nodes
     end
 
-    print("Discovered:")
-    print(dump(components))
-    print(dump(connections))
-    return {components = components, connections = connections}
+    -- We remove inputs and outputs, as we only store ports
+    local inputs = {}
+    local outputs = {}
+    local cleanedComponents = {}
+    for i,cmp in ipairs(components)
+    do
+        local name = cmp.name or cmp.type.."_unknown_"..tostring(i)
+        if cmp.type == "input"
+        then
+            inputs[name] = {
+                conn = cmp.ports["out"],
+                pos = cmp.pos
+            }
+        elseif cmp.type == "output"
+        then
+            outputs[name] = {
+                conn = cmp.ports["in"],
+                pos = cmp.pos
+            }
+        else
+            table.insert(cleanedComponents,cmp)
+        end
+    end
+
+    print("Discovered:")
+    --[[
+    print(dump(cleanedComponents))
+    print(dump(inputs))
+    print(dump(outputs))
+    print(dump(connections))
+    --]]
+    return {components = cleanedComponents, inputs=inputs, outputs=outputs, connections = connections}
+end
+
+
+function logikraft.compute(circuit,inz)
+    local out = {outX = inz["in1"]}
+    return out
 end

formspecs.lua

@@ -38,3 +38,84 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
         end
     end
 end)
+
+local function posToStr(pos)
+    return pos.x..";"..pos.y..";"..pos.z
+end
+
+local function getCircuitFormspec(inz,outz)
+    local formspec = {
+        "formspec_version[4]",
+        "size[9,",tostring(2.625+(table.length(inz)*0.5)+(table.length(outz)*0.5)),"]",
+        "label[0.375,0.5;", minetest.formspec_escape("Inputs"), "]"
+    }
+    local y = 1.0
+    for name,x in pairs(inz)
+    do
+        if x == 0
+        then table.insert(formspec,"button[0.375,"..tostring(y-0.25)..";0.5,0.5;input_"..name..";OFF]")
+        else table.insert(formspec,"button[0.375,"..tostring(y-0.25)..";0.5,0.5;input_"..name..";ON]")
+        end
+        table.insert(formspec,"label[1.0,"..tostring(y)..";"..minetest.formspec_escape(name).."]")
+        y = y + 0.5
+    end
+    
+    table.insert(formspec,"label[0.375,"..tostring(y)..";".. minetest.formspec_escape("Outputs").. "]")
+    y = y + 0.5
+    
+    for name,x in pairs(outz)
+    do
+        table.insert(formspec,"style_type[label;bold,font_size=12px]")
+        if x == 0
+        then table.insert(formspec,"label[0.375,"..tostring(y)..";OFF]")
+        else table.insert(formspec,"label[0.375,"..tostring(y)..";ON]")
+        end
+        table.insert(formspec,"style_type[label;normal,font_size=10px]")
+        table.insert(formspec,"label[1.0,"..tostring(y)..";"..minetest.formspec_escape(name).."]")
+        y = y + 0.5
+    end
+    table.insert(formspec,"button_exit[3,"..tostring(y-0.15)..";3,1;commit;OK]")
+
+    return table.concat(formspec,"")
+end
+
+function logikraft.showCircuitFormspec(playername,pos)
+    local poz = logikraft.discoverBlocks(pos)
+    local circuit = logikraft.compileCircuit(poz)
+    
+    local cn = posToStr(pos).."_"..playername
+    if not _contexts[cn]
+    then
+        _contexts[cn] = {}
+        for name,x in pairs(circuit.inputs)
+        do _contexts[cn][name] = 0 end
+    end
+    print(dump(_contexts[cn]))
+    local formspec = getCircuitFormspec(_contexts[cn],logikraft.compute(circuit,_contexts[cn]))
+    _contexts[playername] = pos
+    minetest.show_formspec(playername, "logikraft:circuitFormSpec", formspec)
+end
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+    if formname ~= "logikraft:circuitFormSpec" then return end
+
+    local pname = player:get_player_name()
+    if _contexts[pname]
+    then
+        local cn = posToStr(_contexts[pname]).."_"..pname
+        -- We update the clicked field
+        for f,x in pairs(fields)
+        do
+            if string.startsWith(f,"input_")
+            then
+                print("ploup")
+                local v = (x == "OFF") and 1 or 0
+                _contexts[cn][string.without(f,"input_")] = v
+            end
+        end
+        if not fields.commit
+        then logikraft.showCircuitFormspec(pname,_contexts[pname])
+        end
+    else
+        minetest.chat_send_player(pname, "Could not get pos data from formspec")
+    end
+end)

items.lua

@@ -149,6 +149,9 @@ minetest.register_craftitem("logikraft:editor", {
         elseif logikraft.componentnodes[node.name]
         then 
             minetest.chat_send_all("Looking at component "..logikraft.componentnodes[node.name].name)
+        elseif node.name == "logikraft:circuitBlock"
+        then 
+            logikraft.showCircuitFormspec(user:get_player_name(), pointed_thing.under)
         end
 
         return itemstack

utils.lua

@@ -30,12 +30,26 @@ function table.getkey1(arr,x)
         end
     end
 end
+function table.length(arr)
+    local c = 0
+    for k,v in pairs(arr)
+    do
+        c = c + 1
+    end
+    return c
+end
 function string.startsWith(str,ex)
     return string.sub(str,1,string.len(ex)) == ex
 end
 function string.without(str,ex)
     return string.sub(str,string.len(ex)+1,-1)
 end
+function string.endsWith(str,ex)
+    return string.sub(str,-1-string.len(ex),-1) == ex
+end
+function string.without2(str,ex,ex2)
+    return string.sub(str,string.len(ex)+1,-1-string.len(ex2))
+end
 function table.equals1(arr1,arr2)
     for i,v in pairs(arr1)
     do