uh, a lot happened, i murdered physics code, redesigned tiles & levels, now i need to make another level editor. I'm sorry game. I'm sorry git.

data/scripts/level.lua

@@ -1,20 +1,22 @@
 function LevelLoadTiles()
-	LevelInfo = {}
-	Tiles = dofile("Mothback/data/tiles.lua")
 	--[[
 		on level format:
 
 		id = tile identifier
 		depth = order in the render
 		force = rendering other tile instead of the one in this position
-		overlay = render another tile id
+		overlay = render another tile id or, if multiple tiles {id, id, id,} or
 		overlay_depth = foreground/background overlay depth
 		type = collision type
 
+
 	]]
-	LevelTiles = json.decode(getInput("Mothback/data/levels/"..currLevel..".json"))
-	LevelInfo.Width = LevelGetWidth()
-	LevelInfo.Height = LevelGetHeight()
+
+	LevelData = dofile("Mothback/data/levels/"..currLevel..".lua")
+	Tiles = dofile("Mothback/data/tileset/library.lua")
+	LevelTiles = LevelData.tiles
+	LevelData.Width = LevelGetWidth()
+	LevelData.Height = LevelGetHeight()
 	LevelIndexTiles()
 	TileCreateObjects()
 end
@@ -35,8 +37,8 @@ function LevelIndexTiles()
 	TileIndex = {}
 
 	-- number of tiles in tileset!
-	local width = tileProperties.tileset:getPixelWidth()/tileProperties.width
-	local height = tileProperties.tileset:getPixelHeight()/tileProperties.height
+	local width = LevelData.tileset:getPixelWidth()/tileProperties.width
+	local height = LevelData.tileset:getPixelHeight()/tileProperties.height
 	for i = 0, height do
 		for j = 0, width do
 			TileIndex[i*width+j+1] = love.graphics.newQuad(
@@ -44,12 +46,12 @@ function LevelIndexTiles()
 														i*tileProperties.height,
 														tileProperties.width,
 														tileProperties.height,
-														tileProperties.tileset:getDimensions()
+														LevelData.tileset:getDimensions()
 													)
 		end
 	end
 
-
+-- init animated tile properties
 	for _, properties in pairs(Tiles) do
 		if properties.animation ~= nil then
 			properties.tileset = love.graphics.newImage("assets/terrain/"..properties.animation..".png")
@@ -75,18 +77,44 @@ function LevelIndexTiles()
 					image_count = image_count + 1
 
 					table.insert(properties.imgs,quad)
-
 				end
 			end
 			properties.image_count = image_count
 		end
 	end
+
+-- instance level tiles according to the properties
+	for i = 1, #LevelTiles do
+		for j = 1, #LevelTiles[i] do
+			local id = LevelTiles[i][j]
+			LevelTiles[i][j] = {}
+			local tile = LevelTiles[i][j]
+			tile.id = id
+
+			for _, properties in pairs(Tiles) do
+				if properties.id == tile.id then
+					if type(properties.overlay) == "table" then
+						tile.display_overlay = properties.overlay[math.random(#properties.overlay)]
+					else
+						tile.display_overlay = properties.overlay
+					end
+
+					if type(properties.force) == "table" then
+						tile.display = properties.force[math.random(#properties.force)]
+					else
+						tile.display = properties.force
+					end
+				end
+			end
+
+		end
+	end
 end
 
 function LevelDisplayForeground()
 	for i = 1, #LevelTiles do
 		for j = 1, #LevelTiles[i] do
-			if LevelTiles[i][j] ~= 0 then
+			if LevelTiles[i][j].id ~= 0 then
 
 				local depth = TileGetDepth(LevelTiles[i][j])
 				DrawTile(
@@ -102,9 +130,10 @@ function LevelDisplayForeground()
 end
 
 function LevelDisplayBackground()
+	love.graphics.setColor(0.7,0.7,0.7)
 	for i = 1, #LevelTiles do
 		for j = 1, #LevelTiles[i] do
-			if LevelTiles[i][j] ~= 0 then
+			if LevelTiles[i][j].id ~= 0 then
 
 				local depth = TileGetDepth(LevelTiles[i][j])
 				DrawTile(
@@ -117,28 +146,28 @@ function LevelDisplayBackground()
 			end
 		end
 	end
+		love.graphics.setColor(1,1,1)
 end
 
-
-function TileGetType(tile_id)
+function TileGetType(tile)
 	for _, properties in ipairs(Tiles) do
-		if properties.id == tile_id then
+		if properties.id == tile.id then
 			return properties.type
 		end
 	end
 end
 
-function TileGetDepth(tile_id)
+function TileGetDepth(tile)
 	for _, properties in ipairs(Tiles) do
-		if properties.id == tile_id then
+		if properties.id == tile.id then
 			return properties.depth
 		end
 	end
 end
 
-function TileGetLight(tile_id)
+function TileGetLight(tile)
 	for _, properties in ipairs(Tiles) do
-		if properties.id == tile_id then
+		if properties.id == tile.id then
 			return properties.light
 		end
 	end
@@ -165,7 +194,7 @@ function TileCreateObjects()
 
 	for i = 1, #LevelTiles do
 		for j = 1, #LevelTiles[i] do
-			if LevelTiles[i][j] ~= 0 then
+			if LevelTiles[i][j].id ~= 0 then
 
 				local type = TileGetType(LevelTiles[i][j])
 				local light = TileGetLight(LevelTiles[i][j])
@@ -180,7 +209,7 @@ function TileCreateObjects()
 						light
 					)
 				end
-				
+
 				if type == "whole" then
 					local col = Collision:New(
 						base_x,
@@ -471,9 +500,10 @@ function AnimateTiles()
 	end
 end
 
-function DrawTile(tile_id,x,y,depth)
+function DrawTile(tile,x,y,depth)
 	for _, properties in pairs(Tiles) do
-		if tile_id == properties.id then
+		if tile.id == properties.id then
+
 			if properties.animation ~= nil then
 				if properties.imgs[properties.current_image] ~= nil
 				and properties.depth == depth
@@ -488,18 +518,20 @@ function DrawTile(tile_id,x,y,depth)
 				)	end
 			elseif properties.depth == depth then
 				if properties.force ~= nil then
+					if properties.force ~= 0 then
 					love.graphics.draw(
-						tileProperties.tileset,
-						TileIndex[properties.force],
+						LevelData.tileset,
+						TileIndex[tile.display],
 						x,
 						y,
 						0,
 						tileProperties.scale,
 						tileProperties.scale
 					)
+					end
 				else
 					love.graphics.draw(
-						tileProperties.tileset,
+						LevelData.tileset,
 						TileIndex[properties.id],
 						x,
 						y,
@@ -528,8 +560,8 @@ function DrawTile(tile_id,x,y,depth)
 						end
 					else
 						love.graphics.draw(
-							tileProperties.tileset,
-							TileIndex[properties.overlay],
+							LevelData.tileset,
+							TileIndex[tile.display_overlay],
 							x,
 							y,
 							0,
@@ -539,6 +571,11 @@ function DrawTile(tile_id,x,y,depth)
 					end
 				end
 			end
+			--[[
+			love.graphics.setColor(0,0,1)
+			love.graphics.print(tostring(tile.display),x+16,y)
+			love.graphics.setColor(1,1,1)
+			]]
 		end
 	end
 end