Experiment setup to determine sane LOD values for tree (groups)

lua/keymap/debugKeyActions.lua

@@ -309,6 +309,27 @@ local keyActionsDebugAI = {
         action = 'UI_Lua import("/lua/ui/game/aichunktemplates.lua").AddUnitSelectionToEmptyChunkTemplate(32)',
         category = 'ai'
     },
+
+    ['test_camera_angle_01'] = {
+        action = 'UI_Lua import("/lua/keymap/misckeyactions.lua").TestCameraAngle1(370)',
+        category = 'debug'
+    },
+    ['test_camera_angle_02'] = {
+        action = 'UI_Lua import("/lua/keymap/misckeyactions.lua").TestCameraAngle1(470)',
+        category = 'debug'
+    },
+    ['test_camera_angle_03'] = {
+        action = 'UI_Lua import("/lua/keymap/misckeyactions.lua").TestCameraAngle1(570)',
+        category = 'debug'
+    },
+    ['test_camera_angle_04'] = {
+        action = 'UI_Lua import("/lua/keymap/misckeyactions.lua").TestCameraAngle1(670)',
+        category = 'debug'
+    },
+    ['test_camera_angle_05'] = {
+        action = 'UI_Lua import("/lua/keymap/misckeyactions.lua").TestCameraAngle1(770)',
+        category = 'debug'
+    },
 }
 
 ---@type table<string, UIKeyAction>

lua/keymap/misckeyactions.lua

@@ -692,4 +692,19 @@ SelectCommander = function(zoomTo)
     elseif zoomTo then
         UIZoomTo(selectedUnits, 0)
     end
+end
+
+function TestCameraAngle1(zoom)
+
+    -- camera in bottom right corner of Seton's Clutch
+
+    ConExecute("sc_VerticalSync 0")
+    ConExecute("cam_free 0")
+    ConExecute("sc_FrameTimeClamp 1")
+
+    local camera = GetCamera("WorldCamera")
+    local settings = camera:SaveSettings()
+    settings.Focus = Vector(230, 26, 860)
+    settings.Zoom = zoom
+    camera:RestoreSettings(settings)
 end

lua/proptree.lua

@@ -268,12 +268,29 @@ Tree = Class(Prop) {
     end,
 }
 
+local id = 0
+
 ---@class TreeGroup : Prop
 TreeGroup = Class(Prop) {
 
     IsTree = true,
     IsTreeGroup = true,
-
+
+    OnCreate = function(self)
+        Prop.OnCreate(self)
+
+        -- break half of all trees for testing
+        ForkThread(
+            function()
+                WaitTicks(1)
+                id = id + 1
+                if math.mod(id, 2) == 0 then
+                    self:Breakup()
+                end
+            end
+        )
+    end,
+
     --- Break when colliding with a projectile of some sort
     ---@param self TreeGroup
     ---@param other string

lua/system/blueprints-props.lua

@@ -113,8 +113,9 @@ local function ProcessLOD(prop)
     local sz = prop.SizeZ or 1
 
     -- give more emphasis to the x / z value as that is easier to see in the average camera angle
+    local isTreeLike = prop.ScriptClass == 'Tree' or prop.ScriptClass == 'TreeGroup'
     local weighted = 0.40 * sx + 0.2 * sy + 0.4 * sz
-    if prop.ScriptClass == 'Tree' or prop.ScriptClass == 'TreeGroup' then
+    if isTreeLike then
         weighted = 2.6
     end
 
@@ -132,6 +133,11 @@ local function ProcessLOD(prop)
 
             -- sanitize the value
             data.LODCutoff = MathFloor(LODCutoff / 10 + 1) * 10
+
+            if isTreeLike then
+                -- log the values to screen
+                LOG(prop.Interface.HelpText, k, data.LODCutoff)
+            end
         end
     end
 end