fix renderer

entity.lua

@@ -2,13 +2,19 @@ Entity = class("Entity")
 
 function Entity:initialize(t)
 	self.x, self.y = t.x, t.y
-	self.spriteSize = {w = t.sprite:getWidth(), h = t.sprite:getHeight()}
+	-- sprites keyed by channel ("red"/"green"/"blue"). Single-color entities pass
+	-- t.sprite + t.color and get one entry; multi-channel ones (doors) pass
+	-- t.sprites directly. The renderer draws only the channels the player has, so
+	-- no entity decides its own visibility (see Room:draw).
+	self.sprites = t.sprites or { [t.color] = t.sprite }
+	local repSprite = t.sprite or (t.sprites and select(2, next(t.sprites)))
+	self.spriteSize = {w = repSprite:getWidth(), h = repSprite:getHeight()}
 	self.size = {w = self.spriteSize.w / 16, h = self.spriteSize.h / 16}
 	self.cellShape = t.cellShape or self:cellShapeFromBox(self.size)
 	self.name = t.name
 	self.color = Color:new(t.color)
 	self.collision = t.collision --"none", "moveable", "unmoveable"
-	self.sprite = t.sprite
+	self.sprite = repSprite
 	self.shaAmount = t.sha or 1
 	self.onBump = t.onBump or function(self) return true end
 	self.tick = t.tick or function(self) return true end
@@ -108,10 +114,12 @@ function Entity:tick()
 	return self.tick()
 end
 
-function Entity:draw()
-	love.graphics.setColor(self.color:set())
+function Entity:draw(channel)
+	local sprite = self.sprites[channel]
+	if not sprite then return end
+	love.graphics.setColor(gColor[channel]:set())
 	local p = self:getDrawPos()
-	love.graphics.draw(self.sprite, p.x + self.drawOffset.x, p.y + self.drawOffset.y, 0, drawScale, drawScale)
+	love.graphics.draw(sprite, p.x + self.drawOffset.x, p.y + self.drawOffset.y, 0, drawScale, drawScale)
 end
 
 function Entity:canMove()