Editor canvas modification bugfix, selected tile preview fix

data/scripts/editor.lua

@@ -151,14 +151,18 @@ end
 function DrawSelectingPaletteTile()
   if selecting_tile ~= nil and selecting_tile ~= 0 then
 
-    local mouse_x = tileProperties.width * math.floor((love.mouse.getX()/game.scale) / tileProperties.width) - Camera.pos.x % tileProperties.width
+    local mouse_x = love.mouse.getX()
-    local mouse_y = tileProperties.height * math.floor((love.mouse.getY()/game.scale) / tileProperties.height) - Camera.pos.y % tileProperties.height
+    local mouse_y = love.mouse.getY()
+    local horizontal = math.floor(((mouse_x/game.scale) / tileProperties.width) + (Camera.pos.x / tileProperties.width))
+    local vertical = math.floor(((mouse_y/game.scale) / tileProperties.height) + (Camera.pos.y / tileProperties.height))
+    local draw_x = tileProperties.width * horizontal - Camera.pos.x
+    local draw_y = tileProperties.height * vertical - Camera.pos.y
 
     love.graphics.draw(
   		LevelData.tileset,
       TileIndex[selecting_tile],
-      mouse_x,
+      draw_x,
-      mouse_y
+      draw_y
     )
   end
 end

data/scripts/level.lua

@@ -21,6 +21,8 @@ end
 
 
 function LevelExpandCanvas(horizontal,vertical)
+	local horizontal = horizontal or 0
+	local vertical = vertical or 0
 	local h = LevelGetTileWidth()
 	local v = LevelGetTileHeight()
 
@@ -51,7 +53,7 @@ function LevelExpandCanvas(horizontal,vertical)
 	-- get data from old canvas to new canvas
 	for i = 1, #LevelTiles do
 		for j = 1, #LevelTiles[i] do
-			ExpandedLevel[i+expand_v][j+expand_h] = InstanceTile(LevelTiles[i][j])
+			ExpandedLevel[i+expand_v][j+expand_h] = InstanceTile(LevelTiles[i][j].id)
 		end
 	end
 
@@ -61,6 +63,8 @@ end
 
 
 function LevelReduceCanvas(horizontal,vertical)
+	local horizontal = horizontal or 0
+	local vertical = vertical or 0
 	local h = LevelGetTileWidth()
 	local v = LevelGetTileHeight()
 
@@ -91,12 +95,14 @@ function LevelReduceCanvas(horizontal,vertical)
 	-- get data from old canvas to new canvas
 	for i = 1, #ExpandedLevel do
 		for j = 1, #ExpandedLevel[i] do
-			ExpandedLevel[i][j] = InstanceTile(LevelTiles[i+expand_v][j+expand_h])
+			ExpandedLevel[i][j] = InstanceTile(LevelTiles[i+expand_v][j+expand_h].id)
 		end
 	end
 
 	-- use new canvas
 	LevelTiles = ExpandedLevel
+
+	LevelExpandCanvas()
 end
 
 function LevelGetTileData()