WOWOWOWOWOWOWO WI DID IT WOWOWWWWWW WOW

_debug_helpers.lua

@@ -0,0 +1,14 @@
+function shallowTablePrint(t)
+	for i, v in pairs(t) do
+		print(i, v)
+	end
+end
+
+function printMatrix(matrix)
+	for i, v in ipairs(matrix) do
+		for j, w in ipairs(v) do
+			if not w then io.write("o ") else io.write("x ") end
+		end
+		io.write("\n")
+	end
+end

color.lua

@@ -6,7 +6,8 @@ Color = class("Color")
 Color.static.list = {
 	red = {r = 255, g = 0, b = 0, a = 255},
 	green = {r = 0, g = 255, b = 0, a = 255},
-	blue = {r = 0, g = 0, b = 255, a = 255}
+	blue = {r = 0, g = 0, b = 255, a = 255},
+	white = {r = 255, g = 255, b = 255, a = 255}
 }
 
 function Color:initialize(inColor)

debug_helpers.lua

@@ -1,5 +0,0 @@
-function shallowTablePrint(t)
-	for i, v in pairs(t) do
-		print(i, v)
-	end
-end

entity.lua

@@ -10,8 +10,12 @@ function Entity:initialize(t)
 	self.shaAmount = t.sha or 1
 end
 
+function Entity:getCollision()
+	return self.collision
+end
+
 function Entity:atGridPos(x, y)
-	-- print(x, y, self.x, self.y, self.x + self.size.x, self.y + self.size.y)
+	-- we probably don't need this anymore
 	local size = self:getGridSize()
 	if x >= self.x and y >= self.y and x < self.x + size.x and y < self.y + size.y then
 	  return true
@@ -19,6 +23,21 @@ function Entity:atGridPos(x, y)
 	return false
 end
 
+function Entity:getOccupiedCells(coords)
+	--we have this offset so we can project what a movement would do
+	local offset = coords or {x = 0, y = 0}
+	local box = self:getGridBox()
+	local cells = {}
+	
+	for i = box.x + offset.x, box.x + box.w - 1 + offset.x do
+		for j = box.y + offset.y, box.y + box.h - 1 + offset.y do
+			table.insert(cells, {x = i, y = j})
+		end
+	end
+
+	return cells
+end
+
 function Entity:getDrawBox()
 	local drawPos = self:getDrawPos()
 	return {x = drawPos.x, y = drawPos.y, w = self.spriteSize.w * drawScale, h = self.spriteSize.h * drawScale}

main.lua

@@ -7,7 +7,7 @@ require "input"
 require "color"
 require "room"
 require "shaders"
-require "debug_helpers"
+require "_debug_helpers"
 
 function love.load()
 	_initDefaults()
@@ -22,9 +22,7 @@ function love.load()
 
 	currentRoom = Room:new{
 		player = {
-			red = {x = 5, y = 5},
-			green = {x = 5, y = 5},
-			blue = {x = 5, y = 5}
+			x = 5, y = 5, activeColors = {"red", "green", "blue"}
 		}
 	}
 end

player.lua

@@ -2,18 +2,38 @@ require "entity"
 
 Player = class("Player", Entity)
 
-function Player:initialize(x, y, color)
+function Player:initialize(x, y, activeColors)
 	Entity.initialize(self, {
 		x = x,
 		y = y,
 		sizeX = 1,
 		sizeY = 1,
-		color = color,
+		color = "white",
 		collision = "none", --player can't push other player
 		sprite = playerSprite
 	})
+
+	self.red, self.green, self.blue = Color:new("red"), Color:new("green"), Color:new("blue")
+
+	self.activeColors = activeColors or {"red", "green", "blue"}
+end
+
+function Player:setActiveColors(colorArray)
+	self.activeColors = colorArray
+end
+
+function Player:getActiveColors()
+	return self.activeColors
 end
 
 function Player:update()
 
+end
+
+function Player:draw()
+	for _, color in ipairs(self.activeColors) do
+		love.graphics.setColor(self[color]:set())
+		local p = self:getDrawPos()
+		love.graphics.draw(self.sprite, p.x, p.y, 0, drawScale, drawScale)
+	end
 end

room.lua

@@ -11,26 +11,29 @@ require "assorted"
 function Room:initialize(t)
 	self.exits = t.exits
 	self.name = t.name
-	self.player = {}
+	self.player = Player:new(t.player.x, t.player.y, t.player.activeColors)
 	self.collideables = {
 		red = {},
 		green = {},
 		blue = {}
 	}
+	self.collidableMatrices = {} --{red = {{...}{...}{...}}, ...}
 
 	self.activeColors = {
-		red = false, green = false, blue = false
+		red = true, green = true, blue = true
 	}
 
-	for color, coords in pairs(t.player) do
-		self.player[color] = Player:new(coords.x, coords.y, color)
-		self.activeColors[color] = true
-	end
 
-	for i=0, 5 do
+	-- for color, coords in pairs(t.player) do
+	-- 	self.player[color] = Player:new(coords.x, coords.y, color)
+	-- 	self.activeColors[color] = true
+	-- end
+
+	for i=0, 2 do
 		local c = randomColor()
 		local x, y = math.random(1, gridWidth), math.random(1, gridHeight)
 		self.collideables[c]["b: " .. x .. ", " .. y] = Box:new(x, y, c)
+		self.collideables[c]["b: " .. x .. ", " .. y]:getOccupiedCells()
 	end
 
 
@@ -41,35 +44,34 @@ function Room:initialize(t)
 		end
 	end
 
-	-- for color, active in pairs(self.activeColors) do
-	-- 	local x, y = 6, 3
-	-- 	if active then self.collideables[color]["n: " .. x .. ", " .. y] = Ass:new(x, y, color, "animals/processed/", "me_rach") end
+	for color, active in pairs(self.activeColors) do
+		local x, y = 6, 3
+		-- if active then self.collideables[color]["n: " .. x .. ", " .. y] = Ass:new(x, y, color, "animals/processed/", "me_rach") end
 
-	-- 	local x, y = 1, 1
-	-- 	if active then self.collideables[color]["n: " .. x .. ", " .. y] = Ass:new(x, y, color, "tech/processed/", "mac_smaller") end
+		local x, y = 1, 1
+		if active then self.collideables[color]["n: " .. x .. ", " .. y] = Ass:new(x, y, color, "tech/processed/", "mac_smaller") end
+		self.collideables[color]["n: " .. x .. ", " .. y]:getOccupiedCells()
 
-	-- 	local x, y = 7, 7
-	-- 	if active then self.collideables[color]["n: " .. x .. ", " .. y] = Ass:new(x, y, color, "tech/processed/", "cd") end
+		local x, y = 7, 7
+		if active then self.collideables[color]["n: " .. x .. ", " .. y] = Ass:new(x, y, color, "tech/processed/", "cd") end
 
-	-- end
+	end
 
 	-- self.collideables["green"]["fpp"] = Artifact:new(6, 6, "green")
 
+	for color, entities in pairs(self.collideables) do
+		self.collidableMatrices[color] = self:createEntityMatrix(entities)
+	end
 end
 
 
 function Room:update(dt)
-	for color, player in pairs(self.player) do
-		player:update(dt)
-	end
+	self.player:update(dt)
 end
 
 function Room:draw()
-	for color, player in pairs(self.player) do
-		if self.activeColors[color] then
-			player:draw()
-		end
-	end
+	self.player:draw()
+
 	for color, entityArray in pairs(self.collideables) do
 		for _, entity in pairs(entityArray) do
 			entity:draw()
@@ -77,20 +79,210 @@ function Room:draw()
 	end
 end
 
-function Room:movePlayer(key)
+function Room:createCollideablesMatrix(collideables)
+	for color, entities in pairs(self.collideables) do
+		self.collidableMatrices[color] = self:createEntityMatrix(entities)
+	end
+end
+function Room:createEntityMatrix(entities)
+	local matrix = {}
 
+	--lets populate it w/ empty stuff first
+	for i = 1, gridWidth do
+		local row = {}
+		for i = 1, gridHeight do
+			table.insert(row, false)
+		end
+		table.insert(matrix, row)
+	end
+
+	--assumes that entities table is set up li_e {index = ent1, anotherIndex = ent2, ...}
+	for _, entity in pairs(entities) do
+		for _, occupiedCells in pairs(entity:getOccupiedCells()) do
+			--we store a table reference so we can call a method on it during a chec_
+			matrix[occupiedCells.y][occupiedCells.x] = entity
+		end	
+	end
+	-- printMatrix(matrix)
+	return matrix
 end
 
-function Room:switchPlayerColor(color)
-	print(color)
-	for c, active in pairs(self.activeColors) do
-		if color == "white" then
-			self:setActiveColor(c, true)
-		elseif c == color then
-			self:setActiveColor(c, true)
-		else
-			self:setActiveColor(c, false)
+function Room:getCellInMatrix(matrix, cell)
+	return matrix[cell.y][cell.x]
+end
+
+function Room:movePlayer(key)
+	local activeColors = self.player:getActiveColors()
+	local pos = self.player:getGridPos()
+	local x, y = pos.x, pos.y
+	local dir = {x = 0, y = 0}
+	local axis
+	
+	if key == "up" then
+		dir.y, axis = -1, "y"
+	elseif key == "down" then
+		dir.y, axis = 1, "y"
+	elseif key == "left" then
+		dir.x, axis = -1, "x"
+	elseif key == "right" then
+		dir.x, axis = 1, "x"
+	end
+
+	local move
+	local entitiesToPush = {
+		red = {},
+		green = {},
+		blue = {}
+	}
+	local entitiesToPull = {
+		red = {},
+		green = {},
+		blue = {}
+	}
+
+	-- PUSHHHHHHHHHHHHHHHHHHHHHH---------------------
+
+	local initialTargetCell = {
+		x = pos.x + dir.x, y = pos.y + dir.y
+	} -- this is for reference for each color as we change the targetCells table
+
+	local move = true
+	local targetCells 
+
+	--so the way this worx is....
+	for _, color in pairs(activeColors) do
+		--for each color...
+		targetCells = {initialTargetCell} -- ...we start with our attempted movement...
+		local doneSearching
+		while not doneSearching do
+			nextTargetCells = {} -- ...then we create this array to save our next group of cells
+			local emptyCells = {}
+			for _, cell in pairs(targetCells) do
+				if self:isInBounds(cell) then
+					local entity = self:getCellInMatrix(self.collidableMatrices[color], cell)
+					if entity then
+						--something is here!!
+						if not entitiesToPush[color][entity] then --if the entity hasnt been found already
+							if entity:canMove() then
+								local projectedCells = entity:getOccupiedCells(dir) -- we project the movement here
+								entitiesToPush[color][entity] = entity
+								for _, projectedCell in ipairs(projectedCells) do
+									table.insert(nextTargetCells, projectedCell)
+								end
+							else
+								move = false
+								doneSearching = true
+							end
+						end
+					else 
+						--there's nothin there!!
+						table.insert(emptyCells, cell)
+					end
+				else
+					--we are out of bounds now
+					move = false
+					doneSearching = true
+				end
+			end
+
+			--if every projected cell is empty then we can do the move
+			if #emptyCells == #targetCells then
+				move = true
+				doneSearching = true
+			end
+
+			targetCells = nextTargetCells
 		end
+		--let's get out of this loop b/c if we can't move one color we can't move at all
+		if move == false then break end
+	end
+
+
+	---PULL CHEC
+
+	local initialTargetCell = {x = pos.x - dir.x, y = pos.y - dir.y}
+
+	local targetCells 
+
+	local pull = {}
+	--so the way this worx is....
+	for _, color in pairs(activeColors) do
+		--for each color...
+		targetCells = {initialTargetCell} -- ...we start with our attempted movement...
+		local doneSearching
+		while not doneSearching do
+			nextTargetCells = {} -- ...then we create this array to save our next group of cells
+			local emptyCells = {}
+			for _, cell in pairs(targetCells) do
+				if self:isInBounds(cell) then
+					local entity = self:getCellInMatrix(self.collidableMatrices[color], cell)
+					if entity then
+						--something is here!!
+						if not entitiesToPull[color][entity] then --if the entity hasnt been found already
+							if entity:canMove() then
+								local projectedCells = entity:getOccupiedCells(dir) -- we project the movement here
+								entitiesToPull[color][entity] = entity
+								for _, projectedCell in ipairs(projectedCells) do
+									table.insert(nextTargetCells, projectedCell)
+								end
+							else
+								pull[color] = false
+								doneSearching = true
+							end
+						end
+					else 
+						--there's nothin there!!
+						table.insert(emptyCells, cell)
+					end
+				else
+					pull[color] = true
+					--we are out of bounds now
+					doneSearching = true
+				end
+			end
+
+			--if every projected cell is empty then we can do the move
+			if #emptyCells == #targetCells then
+				pull[color] = true
+				doneSearching = true
+			end
+
+			targetCells = nextTargetCells
+		end
+		--let's get out of this loop b/c if we can't move one color we can't move at all
+		if move == false then break end
+	end
+
+
+
+	if move then
+		for color, entities in pairs(entitiesToPush) do
+			for _, entity in pairs(entities) do
+				entity:move(axis, dir[axis])
+			end
+		end
+		for color, entities in pairs(entitiesToPull) do
+			if pull[color] then
+				for _, entity in pairs(entities) do
+					entity:move(axis, dir[axis])
+				end
+			end
+		end
+		self.player:move(axis, dir[axis])
+		self:tick()
+	end
+end
+
+function Room:attemptPush(dirVector)
+	-- should return array of things to push or nil/falsey value
+end
+
+
+function Room:switchPlayerColor(color)
+	if color == "white" then
+		self.player:setActiveColors({"red", "green", "blue"})
+	else
+		self.player:setActiveColors({color})
 	end
 end
 
@@ -98,27 +290,24 @@ function Room:setActiveColor(color, bool)
 	self.activeColors[color] = bool
 end
 
-function Room:getAdjacentEntities(entities, pos, axis, direction)
-
-end
-
-function Room:checkAndPull(entities, pos, axis, direction)
-
-end
-
-function Room:tryPlayerMove(entities, pos, axis, direction)
-
-end
-
 function Room:tick()
 	for color, entityArray in pairs(self.collideables) do
 		for _, entity in pairs(entityArray) do
 			entity:tick()
 		end
 	end
+	self:createCollideablesMatrix()
 	self:nextRoomCheck()
 end
 
+function Room:isInBounds(cell)
+	if cell.x > 0 and cell.x <= gridWidth and
+	  cell.y > 0 and cell.y <= gridHeight then
+		return true
+	end
+	return false
+end
+
 function Room:nextRoomCheck()
 
 end