From e5cb69df43f07a7e764c66cfe5760f18edabe1ff Mon Sep 17 00:00:00 2001
From: Oshisaure <lilla.oshisaure@gmail.com>
Date: Sat, 1 Jul 2023 01:56:51 +0100
Subject: [PATCH] Slight revamp on BG image handling

- The game can now load more than 20 backgrounds by putting them in /res/backgrounds in the save directory
- If a gamemode tries to set its background to an ID higher than the max it will be clamped down to the last background loaded
---
 load/graphics.lua         | 27 +++++++--------------------
 tetris/modes/gamemode.lua |  4 +++-
 2 files changed, 10 insertions(+), 21 deletions(-)

diff --git a/load/graphics.lua b/load/graphics.lua
index 066ce72..893bb1b 100644
--- a/load/graphics.lua
+++ b/load/graphics.lua
@@ -1,24 +1,4 @@
 backgrounds = {
-	[0] = love.graphics.newImage("res/backgrounds/0.png"),
-	love.graphics.newImage("res/backgrounds/100.png"),
-	love.graphics.newImage("res/backgrounds/200.png"),
-	love.graphics.newImage("res/backgrounds/300.png"),
-	love.graphics.newImage("res/backgrounds/400.png"),
-	love.graphics.newImage("res/backgrounds/500.png"),
-	love.graphics.newImage("res/backgrounds/600.png"),
-	love.graphics.newImage("res/backgrounds/700.png"),
-	love.graphics.newImage("res/backgrounds/800.png"),
-	love.graphics.newImage("res/backgrounds/900.png"),
-	love.graphics.newImage("res/backgrounds/1000.png"),
-	love.graphics.newImage("res/backgrounds/1100.png"),
-	love.graphics.newImage("res/backgrounds/1200.png"),
-	love.graphics.newImage("res/backgrounds/1300.png"),
-	love.graphics.newImage("res/backgrounds/1400.png"),
-	love.graphics.newImage("res/backgrounds/1500.png"),
-	love.graphics.newImage("res/backgrounds/1600.png"),
-	love.graphics.newImage("res/backgrounds/1700.png"),
-	love.graphics.newImage("res/backgrounds/1800.png"),
-	love.graphics.newImage("res/backgrounds/1900.png"),
 	title = love.graphics.newImage("res/backgrounds/title.png"),
 	title_no_icon = love.graphics.newImage("res/backgrounds/title-no-icon.jpg"),
 	title_night = love.graphics.newImage("res/backgrounds/title-night.jpg"),
@@ -27,6 +7,13 @@ backgrounds = {
 	game_config = love.graphics.newImage("res/backgrounds/options-game.png"),
 }
 
+local i = 0
+local bgpath = "res/backgrounds/%d.png"
+while love.filesystem.getInfo(bgpath:format(i*100)) do
+	backgrounds[i] = love.graphics.newImage(bgpath:format(i*100))
+	i = i + 1
+end
+
 -- in order, the colors are:
 -- red, orange, yellow, green, cyan, blue
 -- magenta (or purple), white, black
diff --git a/tetris/modes/gamemode.lua b/tetris/modes/gamemode.lua
index 2586cb3..eb07c37 100644
--- a/tetris/modes/gamemode.lua
+++ b/tetris/modes/gamemode.lua
@@ -979,9 +979,11 @@ function GameMode:drawSectionTimesWithSplits(current_section, section_limit)
 end
 
 function GameMode:drawBackground()
+	local id = self:getBackground()
+	if type(id) == "number" then id = clamp(id, 0, #backgrounds) end
 	love.graphics.setColor(1, 1, 1, 1)
 	love.graphics.draw(
-		backgrounds[self:getBackground()],
+		backgrounds[id],
 		0, 0, 0,
 		0.5, 0.5
 	)