Updates

src/gamedata/SunModule.cpp

@@ -0,0 +1,53 @@
+#include <Ogre.h>
+#include "Components.h"
+#include "SunModule.h"
+
+namespace ECS
+{
+SunModule::SunModule(flecs::world &ecs)
+{
+	ecs.component<Sun>().add(flecs::Singleton);
+	ecs.set<Sun>({ nullptr, nullptr, nullptr, nullptr });
+	ecs.system<const EngineData, Sun>("UpdateSetupSun")
+		.kind(flecs::OnUpdate)
+		.each([](const EngineData &eng, Sun &sun) {
+			if (!sun.mSun) {
+				Ogre::Light *light =
+					eng.mScnMgr->createLight("Sun");
+				sun.mSunNode = eng.mScnMgr->getRootSceneNode()
+						       ->createChildSceneNode(
+							       "SunPivot");
+				sun.mSunGoal = eng.mScnMgr->getRootSceneNode()
+						       ->createChildSceneNode(
+							       "SunGoal");
+				sun.mSunTarget =
+					sun.mSunGoal->createChildSceneNode(
+						"SunGoalTarget",
+						Ogre::Vector3(100.0f, -400.0f,
+							      -400.0f),
+						Ogre::Quaternion::IDENTITY);
+				sun.mSunNode->attachObject(light);
+				light->setType(Ogre::Light::LT_DIRECTIONAL);
+				light->setDiffuseColour(
+					Ogre::ColourValue::White);
+				light->setSpecularColour(
+					Ogre::ColourValue(0.4, 0.4, 0.4));
+				sun.mSunNode->setDirection(
+					Ogre::Vector3(100.0f, -400.0f, -400.f));
+				sun.mSun = light;
+			}
+			static const float sun_speed = 1.0f;
+			float uangle = M_PI * 2.0f / 24.0f / 60.0f;
+			sun.mSunNode->pitch(Ogre::Radian(uangle) * sun_speed *
+					    eng.delta);
+			if (sun.mSunNode->getOrientation()
+				    .getPitch()
+				    .valueRadians() > 0)
+				eng.mScnMgr->setAmbientLight(Ogre::ColourValue(
+					0.1f, 0.1f, 0.4f, 1.0f));
+			else
+				eng.mScnMgr->setAmbientLight(Ogre::ColourValue(
+					0.2f, 0.2f, 0.2f, 1.0f));
+		});
+}
+}