RGB improvements (#1684)

* Allow the knight animation to be restricted to a portion of the LED strip

* Add keys for jumping directly to particular animation modes

* Remove orphaned break statements

* Tweak the `RGB_MODE` buttons so they cycle through the same mode.

* small indentation fix

1 files changed, 8 insertions, 2 deletions

diff --git a/quantum/rgblight.h b/quantum/rgblight.h
index d0dd6e490..7acd5a257 100644
--- a/quantum/rgblight.h
+++ b/quantum/rgblight.h
@@ -23,16 +23,21 @@
 #endif
 
 #ifndef RGBLIGHT_EFFECT_SNAKE_LENGTH
-#define RGBLIGHT_EFFECT_SNAKE_LENGTH 7
+#define RGBLIGHT_EFFECT_SNAKE_LENGTH 4
 #endif
 
 #ifndef RGBLIGHT_EFFECT_KNIGHT_LENGTH
-#define RGBLIGHT_EFFECT_KNIGHT_LENGTH 7
+#define RGBLIGHT_EFFECT_KNIGHT_LENGTH 3
 #endif
+
 #ifndef RGBLIGHT_EFFECT_KNIGHT_OFFSET
 #define RGBLIGHT_EFFECT_KNIGHT_OFFSET 0
 #endif
 
+#ifndef RGBLIGHT_EFFECT_KNIGHT_LED_NUM
+#define RGBLIGHT_EFFECT_KNIGHT_LED_NUM RGBLED_NUM
+#endif
+
 #ifndef RGBLIGHT_EFFECT_CHRISTMAS_INTERVAL
 #define RGBLIGHT_EFFECT_CHRISTMAS_INTERVAL 1000
 #endif
@@ -85,6 +90,7 @@ void rgblight_toggle(void);
 void rgblight_enable(void);
 void rgblight_step(void);
 void rgblight_step_reverse(void);
+uint32_t rgblight_get_mode(void);
 void rgblight_mode(uint8_t mode);
 void rgblight_set(void);
 void rgblight_update_dword(uint32_t dword);