From e6094cf0fddbd8b66426679d79020b06aacb600a Mon Sep 17 00:00:00 2001
From: Aki <nthirtyone@gmail.com>
Date: Sun, 10 Sep 2017 19:47:12 +0200
Subject: Camera now uses love.graphics.translate

---
 not/Camera.lua | 18 +++++++++---------
 not/World.lua  | 19 ++++++++++++++-----
 2 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/not/Camera.lua b/not/Camera.lua
index 79ebd09..cff5d0d 100644
--- a/not/Camera.lua
+++ b/not/Camera.lua
@@ -1,6 +1,7 @@
 --- Used in drawing other stuff in places.
 Camera = require "not.Object":extends()
 
+-- TODO: Camera would really make use of vec2s (other classes would use them too).
 function Camera:new (world)
 	self.world = world
 	self.x = 0
@@ -17,12 +18,15 @@ function Camera:new (world)
 	self:setDestination(self:follow())
 end
 
--- Drawing offsets
-function Camera:getOffsets ()
-	return -self.x,-self.y
+function Camera:translate ()
+	love.graphics.push()
+	love.graphics.translate(-self.x*getScale(), -self.y*getScale())
+end
+
+function Camera:pop ()
+	love.graphics.pop()
 end
 
--- Position
 function Camera:setPosition (x, y)
 	local x = x or 0
 	local y = y or 0
@@ -37,7 +41,6 @@ function Camera:getPositionScaled ()
 	return self.x*getScale(), self.y*getScale()
 end
 
--- Destination
 function Camera:setDestination (x, y)
 	local x = x or 0
 	local y = y or 0
@@ -48,14 +51,13 @@ function Camera:getDestination ()
 	return self.dest_x, self.dest_y
 end
 
--- Translate points
 function Camera:translatePosition (x, y)
 	local x = x or 0
 	local y = y or 0
 	return (x-self.x)*getScale(), (y-self.y)*getScale()
 end
 
-function Camera:translatePoints(...)
+function Camera:translatePoints (...)
 	local a = {...}
 	local r = {}
 	local x,y = self:getOffsets()
@@ -96,7 +98,6 @@ function Camera:startShake ()
 	self.origin_x, self.origin_y = self:getPosition()
 end
 
--- Move follow
 function Camera:follow ()
 	local map = self.world.map
 	local sum_x,sum_y,i = map.center.x, map.center.y, 1
@@ -114,7 +115,6 @@ function Camera:follow ()
 	return x,y
 end
 
--- Update
 function Camera:update (dt)
 	if self.timer > 0 then
 		self.timer = self.timer - dt
diff --git a/not/World.lua b/not/World.lua
index ae00b48..6aee966 100644
--- a/not/World.lua
+++ b/not/World.lua
@@ -220,11 +220,15 @@ function World:update (dt)
 end
 
 function World:draw ()
-	local offset_x, offset_y = self.camera:getOffsets()
+	-- TODO: Offests are here to keep compatibility.
+	local offset_x, offset_y = 0, 0
 	local scale = getScale()
 	local scaler = getRealScale()
 
 	-- TODO: Prototype of layering. See `World@new`.
+	-- TODO: Camera rewrite in progress.
+	self.camera:translate()
+
 	for _,entity in pairs(self.entities) do
 		if entity:is(Decoration) then
 			if entity.layer == 1 then
@@ -248,12 +252,21 @@ function World:draw ()
 		entity:draw(offset_x, offset_y, scale, debug)
 	end
 
+	self.camera:pop()
 	love.graphics.setCanvas()
+
 	for _,layer in ipairs(self.layers) do
 		layer:draw()
 		layer:clear()
 	end
 
+	-- TODO: Just move heroes' tags to front layer.
+	self.camera:translate()
+	for _,naut in pairs(self:getNautsAlive()) do
+		naut:drawTag(offset_x, offset_y, scale)
+	end	
+	self.camera:pop()
+
 	if debug then
 		local c = self.camera
 		local w, h = love.graphics.getWidth(), love.graphics.getHeight()
@@ -280,10 +293,6 @@ function World:draw ()
 		love.graphics.line(x1,y1,x2,y2)
 	end
 
-	for _,naut in pairs(self:getNautsAlive()) do
-		naut:drawTag(offset_x, offset_y, scale)
-	end
-
 	for _,naut in pairs(self:getNautsAll()) do
 		-- I have no idea where to place them T_T
 		-- let's do: bottom-left, bottom-right, top-left, top-right
-- 
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