From cd174e315317cc95068f5c1f47845f537ea6fd54 Mon Sep 17 00:00:00 2001
From: Kazhnuz <kazhnuz@kobold.cafe>
Date: Sun, 18 Apr 2021 19:30:57 +0200
Subject: [PATCH] feat: greyscale emblem for ko characters

---
 .../game/modules/drawing/greyscale.lua        | 23 +++++++++++++++++++
 .../game/modules/gui/emblem.lua               | 17 ++++++++++++--
 .../controllers/fighters/character.lua        |  3 ---
 3 files changed, 38 insertions(+), 5 deletions(-)
 create mode 100644 sonic-radiance.love/game/modules/drawing/greyscale.lua

diff --git a/sonic-radiance.love/game/modules/drawing/greyscale.lua b/sonic-radiance.love/game/modules/drawing/greyscale.lua
new file mode 100644
index 0000000..004af6a
--- /dev/null
+++ b/sonic-radiance.love/game/modules/drawing/greyscale.lua
@@ -0,0 +1,23 @@
+local GrayScale = {}
+
+local greyscaleShader = love.graphics.newShader[[
+    vec4 effect( vec4 color, Image texture, vec2 texture_coords, vec2 screen_coords ){
+        vec4 pixel = Texel(texture, texture_coords );//This is the current pixel color
+        number average = (pixel.r+pixel.b+pixel.g)/3.0;
+        pixel.r = average;
+        pixel.g = average;
+        pixel.b = average;
+        return pixel;
+      }
+  ]]
+
+
+function GrayScale.startShader()
+    love.graphics.setShader(greyscaleShader)
+end
+
+function GrayScale.endShader()
+    love.graphics.setShader()
+end
+
+return GrayScale
\ No newline at end of file
diff --git a/sonic-radiance.love/game/modules/gui/emblem.lua b/sonic-radiance.love/game/modules/gui/emblem.lua
index b5d2e33..6d15a80 100644
--- a/sonic-radiance.love/game/modules/gui/emblem.lua
+++ b/sonic-radiance.love/game/modules/gui/emblem.lua
@@ -1,4 +1,5 @@
 local Emblem = Object:extend()
+local greyscale = require "game.modules.drawing.greyscale"
 
 function Emblem:new(abstract, scene)
   self.assets = scene.assets
@@ -16,15 +17,27 @@ end
 function Emblem:drawForeground(x, y)
   local emblem2 = "m_" .. self.abstract.data.class
   core.screen:setScissor(x, y-16, 32, 40)
-  self.assets.sprites[self.charid]:drawAnimation(x+14, y+14)
+  if (self.abstract.hp > 0) then
+    self.assets.sprites[self.charid]:drawAnimation(x+14, y+14)
+  else
+    greyscale.startShader()
+    self.assets.sprites[self.charid]:drawFrame(1, x+14, y+14)
+  end
   core.screen:resetScissor( )
   self.assets.images[emblem2]:draw(x, y)
+  greyscale.endShader()
 end
 
 function Emblem:drawBackground(x, y)
   local emblem1 = "e_" .. self.abstract.data.class
 
-  self.assets.images[emblem1]:draw(x, y)
+  if (self.abstract.hp > 0) then
+    self.assets.images[emblem1]:draw(x, y)
+  else
+    greyscale.startShader()
+    self.assets.images[emblem1]:draw(x, y)
+    greyscale.endShader()
+  end
 
 end
 
diff --git a/sonic-radiance.love/scenes/battlesystem/controllers/fighters/character.lua b/sonic-radiance.love/scenes/battlesystem/controllers/fighters/character.lua
index 11b33b2..7d4be37 100644
--- a/sonic-radiance.love/scenes/battlesystem/controllers/fighters/character.lua
+++ b/sonic-radiance.love/scenes/battlesystem/controllers/fighters/character.lua
@@ -5,10 +5,7 @@ local StatusBar   = require "game.modules.gui.statusbar"
 local SelectionSystem = require "scenes.battlesystem.controllers.fighters.systems.selection"
 local actionList = require "scenes.battlesystem.controllers.fighters.systems.actions"
 
-local POSITIONS = {3, 1, 5}
 local HEROES_LINE = 2;
-
-local HUDBASE = 8
 local HUDSIZE = 91
 
 function HeroFighter:new(owner, character, id)