Version 1.3.1

stopGaps
owned zones
factory zones
flag documentation

modules/mxObjects.lua

@@ -0,0 +1,52 @@
+mxObjects = {}
+
+function mxObjects.getObjectFreePoly(layerName, polyName, rel) -- omit rel to get absolute points, else pass 'true' to get relative to first point.
+	if not rel then rel = false end -- relative or absolute
+	if not env.mission.drawings then 
+		trigger.action.outText("+++mxO: Mission has no drawings.", 30)
+		return {}
+	end
+	
+	local drawings = env.mission.drawings
+	local layers = drawings["layers"]
+	if not layers then 
+		trigger.action.outText("+++mxO: Mission has no layers in drawing", 30)
+		return {}
+	end
+	local theLayer = nil
+	for idx, aLayer in pairs(layers) do 
+		if aLayer.name == layerName then 
+			theLayer = aLayer
+		end
+	end
+	if not theLayer then 
+		trigger.action.outText("+++mxO: No layer named <" .. layerName .. "> in Mission", 30)
+		return {}
+	end
+	
+	local objects = theLayer.objects 
+	if not objects then 
+		trigger.action.outText("+++mxO: No objects in layer <" .. layerName .. ">", 30)
+		return {}
+	end
+	-- scan objects for a "free" mode poly with name polyName
+	for idx, theObject in pairs(objects) do 
+		if theObject.polygonMode == "free" and theObject.name == polyName then 
+			local poly = {}
+			for idp, thePoint in pairs(theObject.points) do 
+				local p = {}
+				p.x = thePoint.x 
+				p.y = thePoint.y
+				if not rel then 
+					p.x = p.x + theObject.mapX 
+					p.y = p.y + theObject.mapY
+				end 
+				poly[idp] = p
+			end
+			return poly
+		end
+	end
+	
+	trigger.action.outText("+++mxO: no polygon named <" .. polyName .. "> in layer <" ..layerName  .. ">", 30)
+	return {}
+end