Allow non-addressable lights in light partitions (#2256)

esphome/components/light/addressable_light_wrapper.h

@@ -0,0 +1,56 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "addressable_light.h"
+
+namespace esphome {
+namespace light {
+
+class AddressableLightWrapper : public light::AddressableLight {
+ public:
+  explicit AddressableLightWrapper(light::LightState *light_state) : light_state_(light_state) {
+    this->wrapper_state_ = new uint8_t[5];
+  }
+
+  int32_t size() const override { return 1; }
+
+  void clear_effect_data() override { this->wrapper_state_[4] = 0; }
+
+  light::LightTraits get_traits() override { return this->light_state_->get_traits(); }
+
+  void write_state(light::LightState *state) override {
+    float gamma = this->light_state_->get_gamma_correct();
+    float r = gamma_uncorrect(this->wrapper_state_[0] / 255.0f, gamma);
+    float g = gamma_uncorrect(this->wrapper_state_[1] / 255.0f, gamma);
+    float b = gamma_uncorrect(this->wrapper_state_[2] / 255.0f, gamma);
+    float w = gamma_uncorrect(this->wrapper_state_[3] / 255.0f, gamma);
+    float brightness = fmaxf(r, fmaxf(g, b));
+
+    auto call = this->light_state_->make_call();
+    call.set_state(true);
+    call.set_brightness_if_supported(1.0f);
+    call.set_color_brightness_if_supported(brightness);
+    call.set_red_if_supported(r);
+    call.set_green_if_supported(g);
+    call.set_blue_if_supported(b);
+    call.set_white_if_supported(w);
+    call.set_transition_length_if_supported(0);
+    call.set_publish(false);
+    call.set_save(false);
+    call.perform();
+
+    this->mark_shown_();
+  }
+
+ protected:
+  light::ESPColorView get_view_internal(int32_t index) const override {
+    return {&this->wrapper_state_[0], &this->wrapper_state_[1], &this->wrapper_state_[2],
+            &this->wrapper_state_[3], &this->wrapper_state_[4], &this->correction_};
+  }
+
+  light::LightState *light_state_;
+  uint8_t *wrapper_state_;
+};
+
+}  // namespace light
+}  // namespace esphome