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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}