Make it possible to resume the capture process

files/capture.lua

@@ -3,8 +3,8 @@
 -- This software is released under the MIT License.
 -- https://opensource.org/licenses/MIT
 
-local CAPTURE_PIXEL_SIZE = 2 -- in FullHD a ingame pixel is expected to be 2 real pixels
+local CAPTURE_PIXEL_SIZE = 2 -- in FullHD an ingame pixel is expected to be 2 real pixels
-local CAPTURE_GRID_SIZE = 1080 / 4 -- in ingame pixels
+local CAPTURE_GRID_SIZE = 256 -- in ingame pixels. There will be 6 to 12 images overlapping
 local CAPTURE_DELAY = 15 -- in frames
 local CAPTURE_FORCE_HP = 4 -- * 25HP
 
@@ -40,32 +40,44 @@ function startCapturing()
 		function()
 			-- +x
 			for i = 1, i, 1 do
-				TriggerCapture(x * CAPTURE_PIXEL_SIZE, y * CAPTURE_PIXEL_SIZE)
+				local rx, ry = x * CAPTURE_PIXEL_SIZE, y * CAPTURE_PIXEL_SIZE
-				x, y = x + CAPTURE_GRID_SIZE, y
+				if not fileExists(string.format("mods/noita-mapcap/output/%d,%d.png", rx, ry)) then
 					GameSetCameraPos(x, y)
 					wait(CAPTURE_DELAY)
+					TriggerCapture(rx, ry)
+				end
+				x, y = x + CAPTURE_GRID_SIZE, y
 			end
 			-- +y
 			for i = 1, i, 1 do
-				TriggerCapture(x * CAPTURE_PIXEL_SIZE, y * CAPTURE_PIXEL_SIZE)
+				local rx, ry = x * CAPTURE_PIXEL_SIZE, y * CAPTURE_PIXEL_SIZE
-				x, y = x, y + CAPTURE_GRID_SIZE
+				if not fileExists(string.format("mods/noita-mapcap/output/%d,%d.png", rx, ry)) then
 					GameSetCameraPos(x, y)
 					wait(CAPTURE_DELAY)
+					TriggerCapture(rx, ry)
+				end
+				x, y = x, y + CAPTURE_GRID_SIZE
 			end
 			i = i + 1
 			-- -x
 			for i = 1, i, 1 do
-				TriggerCapture(x * CAPTURE_PIXEL_SIZE, y * CAPTURE_PIXEL_SIZE)
+				local rx, ry = x * CAPTURE_PIXEL_SIZE, y * CAPTURE_PIXEL_SIZE
-				x, y = x - CAPTURE_GRID_SIZE, y
+				if not fileExists(string.format("mods/noita-mapcap/output/%d,%d.png", rx, ry)) then
 					GameSetCameraPos(x, y)
 					wait(CAPTURE_DELAY)
+					TriggerCapture(rx, ry)
+				end
+				x, y = x - CAPTURE_GRID_SIZE, y
 			end
 			-- -y
 			for i = 1, i, 1 do
-				TriggerCapture(x * CAPTURE_PIXEL_SIZE, y * CAPTURE_PIXEL_SIZE)
+				local rx, ry = x * CAPTURE_PIXEL_SIZE, y * CAPTURE_PIXEL_SIZE
-				x, y = x, y - CAPTURE_GRID_SIZE
+				if not fileExists(string.format("mods/noita-mapcap/output/%d,%d.png", rx, ry)) then
 					GameSetCameraPos(x, y)
 					wait(CAPTURE_DELAY)
+					TriggerCapture(rx, ry)
+				end
+				x, y = x, y - CAPTURE_GRID_SIZE
 			end
 			i = i + 1
 		end

files/ui.lua

@@ -14,15 +14,20 @@ async_loop(
 				GuiDestroy(modGUI)
 				modGUI = nil
 			end
-			GuiTextCentered(modGUI, 0, 0, "Don't do anything while the capturing process is running!")
 			GuiTextCentered(modGUI, 0, 0, "Use ESC and close the game to stop the process.")
-			--[[if GuiButton(gui, 0, 0, "DEBUG globals", 1) then
+			GuiTextCentered(
-				local file = io.open("mods/noita-mapcap/output/globals.txt", "w")
+				modGUI,
-				for i, v in pairs(_G) do
+				0,
-					file:write(i .. "\n")
+				0,
-				end
+				'You can resume capturing just by restarting noita and pressing "Start capturing map" again,'
-				file:close()
+			)
-			end]]
+			GuiTextCentered(modGUI, 0, 0, "the mod will skip already captured files.")
+			GuiTextCentered(
+				modGUI,
+				0,
+				0,
+				'If you want to start a new map, you have to delete all images from the "output" folder!'
+			)
 			GuiLayoutEnd(modGUI)
 		end
 

files/util.lua

@@ -87,3 +87,13 @@ function addPerkToPlayer(perkID)
 	--local effect = EntityLoad("data/entities/misc/effect_protection_all.xml", x, y)
 	--EntityAddChild(playerEntity, effect)
 end
+
+function fileExists(fileName)
+	local f = io.open(fileName, "r")
+	if f ~= nil then
+		io.close(f)
+		return true
+	else
+		return false
+	end
+end