allow mods to pass a function or just `true`

[signs_lib.git] / compat.lua

diff --git a/compat.lua b/compat.lua
new file mode 100644 (file)
index 0000000..76405d3
--- /dev/null
+++ b/compat.lua
@@ -0,0 +1,176 @@
+
+local default_fences = {
+       "default:fence_wood",
+       "default:fence_acacia_wood",
+       "default:fence_aspen_wood",
+       "default:fence_junglewood",
+       "default:fence_pine_wood"
+}
+
+for _, n in ipairs(default_fences) do
+       minetest.override_item(n, {
+               check_for_pole = true
+       })
+end
+
+if minetest.get_modpath("streetspoles") then
+
+       local htj_north = {
+               [1] = true,
+               [3] = true,
+               [9] = true,
+               [11] = true,
+               [21] = true,
+               [23] = true
+       }
+
+       local htj_east = {
+               [0] = true,
+               [2] = true,
+               [16] = true,
+               [18] = true,
+               [20] = true,
+               [22] = true
+       }
+
+       local htj_south = {
+               [1] = true,
+               [3] = true,
+               [5] = true,
+               [7] = true,
+               [21] = true,
+               [23] = true
+       }
+
+       local htj_west = {
+               [0] = true,
+               [2] = true,
+               [12] = true,
+               [14] = true,
+               [20] = true,
+               [22] = true
+       }
+
+       local vtj_north = {
+               [8] = true,
+               [10] = true,
+               [13] = true,
+               [15] = true,
+               [17] = true,
+               [19] = true
+       }
+
+       local vtj_east = {
+               [4] = true,
+               [6] = true,
+               [8] = true,
+               [10] = true,
+               [17] = true,
+               [19] = true
+       }
+
+       local vtj_south = {
+               [4] = true,
+               [6] = true,
+               [13] = true,
+               [15] = true,
+               [17] = true,
+               [10] = true
+       }
+
+       local vtj_west = {
+               [4] = true,
+               [6] = true,
+               [8] = true,
+               [10] = true,
+               [13] = true,
+               [15] = true
+       }
+
+       minetest.override_item("streets:bigpole", {
+               check_for_pole = function(pos, node, def, ppos, pnode, pdef)
+                       if pnode.param2 < 4
+                         or (pnode.param2 > 19 and pnode.param2 < 24)
+                         and (pos.x ~= ppos.x or pos.z ~= ppos.z) then
+                               return true
+                       end
+               end,
+
+               check_for_horiz_pole = function(pos, node, def, ppos, pnode, pdef)
+                       if pnode.param2 > 3 and pnode.param2 < 12 then
+                               if def.paramtype2 == "wallmounted" then
+                                       if node.param2 == 2 or node.param2 == 3 -- E/W
+                                               then return true
+                                       end
+                               else
+                                       if node.param2 == 1 or node.param2 == 3 -- E/W
+                                               then return true
+                                       end
+                               end
+                       elseif pnode.param2 > 11 and pnode.param2 < 20 then
+                               if def.paramtype2 == "wallmounted" then
+                                       if node.param2 == 4 or node.param2 == 5 then
+                                               return true
+                                       end
+                               else
+                                       if node.param2 == 0 or node.param2 == 2 then
+                                               return true
+                                       end
+                               end
+                       end
+               end
+       })
+
+       minetest.override_item("streets:bigpole_tjunction", {
+               check_for_pole = function(pos, node, def, ppos, pnode, pdef)
+                       if def.paramtype2 == "wallmounted" then
+                               if   (node.param2 == 4 and vtj_north[pnode.param2])
+                                 or (node.param2 == 2 and vtj_east[pnode.param2])
+                                 or (node.param2 == 5 and vtj_south[pnode.param2])
+                                 or (node.param2 == 3 and vtj_west[pnode.param2]) then
+                                       return true
+                               end
+                       else
+                               if   (node.param2 == 0 and vtj_north[pnode.param2])
+                                 or (node.param2 == 1 and vtj_east[pnode.param2])
+                                 or (node.param2 == 2 and vtj_south[pnode.param2])
+                                 or (node.param2 == 3 and vtj_west[pnode.param2]) then
+                                       return true
+                               end
+                       end
+               end,
+
+               check_for_horiz_pole = function(pos, node, def, ppos, pnode, pdef)
+                       if def.paramtype2 == "wallmounted" then
+                               if   (node.param2 == 4 and htj_north[pnode.param2])
+                                 or (node.param2 == 2 and htj_east[pnode.param2])
+                                 or (node.param2 == 5 and htj_south[pnode.param2])
+                                 or (node.param2 == 3 and htj_west[pnode.param2]) then
+                                       return true
+                               end
+                       else
+                               if   (node.param2 == 0 and htj_north[pnode.param2])
+                                 or (node.param2 == 1 and htj_east[pnode.param2])
+                                 or (node.param2 == 2 and htj_south[pnode.param2])
+                                 or (node.param2 == 3 and htj_west[pnode.param2]) then
+                                       return true
+                               end
+                       end
+               end
+       })
+
+end
+
+if minetest.get_modpath("streetlamps") then
+       minetest.override_item("streets:streetlamp_basic_top_on", {
+               selection_box = {
+                       type = "fixed",
+                       fixed = {
+                               {-0.3,-0.4,-0.3,0.3,0.5,0.3},
+                               {-0.15,-0.4,-0.15,0.15,-1.55,0.15},
+                               {-0.18,-1.55,-0.18,0.18,-2.5,0.18},
+                       }
+               },
+               check_for_pole = true
+       })
+end