popn: rest of the new cab lights (#651)

## Link to GitHub Issue or related Pull Request, if one exists
#618 

## Description of change
Add rest of the LED strip lights.

## Testing
Tested U region.

src/spice2x/util/tapeled.cpp

@@ -9,7 +9,7 @@ namespace tapeledutils {
     }
 
     // for bi2x-style byte array of all colors and LEDs at once
-    rgb_float3_t pick_color_from_led_tape(uint8_t *data, size_t data_size) {
+    static rgb_float3_t pick_color_from_led_tape_internal(uint8_t *data, size_t data_size, uint8_t divisor) {
         rgb_float3_t result = {0.f, 0.f, 0.f};
         if (TAPE_LED_ALGORITHM == TAPE_LED_USE_AVERAGE) {
 
@@ -25,7 +25,7 @@ namespace tapeledutils {
             }
 
             // normalize
-            const float avg_mult = 1.f / (data_size * 255);
+            const float avg_mult = 1.f / (data_size * divisor);
             result.r = avg_ri * avg_mult;
             result.g = avg_gi * avg_mult;
             result.b = avg_bi * avg_mult;
@@ -50,7 +50,7 @@ namespace tapeledutils {
             }
 
             // normalize
-            const float single_mult = 1.f / 255;
+            const float single_mult = 1.f / divisor;
             result.r = color[0] * single_mult;
             result.g = color[1] * single_mult;
             result.b = color[2] * single_mult;
@@ -58,6 +58,15 @@ namespace tapeledutils {
         return result;
     }
 
+    rgb_float3_t pick_color_from_led_tape(tape_led &light, uint8_t *data, size_t data_size) {
+        const auto max_value = (light.max_value > 0) ? light.max_value : 0xFF;
+        return pick_color_from_led_tape_internal(data, data_size, max_value);
+    }
+
+    rgb_float3_t pick_color_from_led_tape(uint8_t *data, size_t data_size) {
+        return pick_color_from_led_tape_internal(data, data_size, 0xFF);
+    }
+
     // for bi2a-style that calls for each individual LED
     size_t get_led_index_using_avg_algo(size_t data_size) {
         size_t index_to_use;

src/spice2x/util/tapeled.h

@@ -25,13 +25,33 @@ namespace tapeledutils {
     struct tape_led {
         std::vector<rgb_float3_t> data;
         int index_r, index_g, index_b; // Averaged RGB light output indexes
+        uint8_t max_value;
         std::string lightName;
 
-        tape_led(size_t data_size, int index_r, int index_g, int index_b, std::string lightName)
-        : data(std::vector<rgb_float3_t>(data_size)), index_r(index_r), index_g(index_g), index_b(index_b), lightName(std::move(lightName)) {}
+        tape_led(
+            size_t data_size,
+            int index_r, int index_g, int index_b,
+            std::string lightName)
+        : data(
+            std::vector<rgb_float3_t>(data_size)),
+            index_r(index_r), index_g(index_g), index_b(index_b),
+            max_value(0),
+            lightName(std::move(lightName)) {}
+
+        tape_led(
+            size_t data_size,
+            int index_r, int index_g, int index_b,
+            uint8_t max_value,
+            std::string lightName)
+        : data(
+            std::vector<rgb_float3_t>(data_size)),
+            index_r(index_r), index_g(index_g), index_b(index_b),
+            max_value(max_value),
+            lightName(std::move(lightName)) {}
     };
 
     bool is_enabled();
+    rgb_float3_t pick_color_from_led_tape(tape_led &light, uint8_t *data, size_t data_size);
     rgb_float3_t pick_color_from_led_tape(uint8_t *data, size_t data_size);
     size_t get_led_index_using_avg_algo(size_t data_size);
 }