#include "EngineScripts.wpk\GlobalScriptBase.ws"

const float my_PI = 3.1415926535f;
const float duration = 5.0f;

class Cubes_Sun : GlobalScriptBase
{

	WContentMark@ SunPoint;
	WContentMark@ SunLight;
	WContentMark@ SunRing;
	WFile@ DirLight;
	WFile@ SceneLight ;
	Vect4Property@ SunColor;
	Vect4Property@ SceneColor;
	float distance;
	float oldTime;

	void OnLoad()
	{
		AdjustDuration();
		oldTime = 0;
		@SunPoint = FindContentMark("SunPoint");
		@SunLight = FindContentMark("SunLight");
		@SunRing = FindContentMark("SunRing");
		vector3 loc = SunPoint.GetLocation();
		@DirLight = World.FindFile("Env_Cubes.wpk\\Lights\\SunLight_light.wdla");
		@SunColor = DirLight.GetVect4Property("LightColor");
		@SceneLight = World.FindFile("Env_Cubes.wpk\\Lights\\Indirect_light.wscla");
		@SceneColor = SceneLight.GetVect4Property("LightColor");
		distance = loc.length();	// distance of SunPoint
	}

	void Tick(float DeltaTime)
	{
		float newTime = GetEngineTime();
		float Time = (newTime-oldTime)*(2*my_PI)*(1/duration); // ***delta time***
		oldTime = newTime; 	// absolute time

		SunRing.AddRotation(Time, 0, 0);	// calculate rotation of SunRing
		SunLight.AddRotation(0, 0, Time);	// calculate rotation of SunLight
		SunPoint.AddRotation(Time, 0, 0);	// calculate rotation of SunPoint
		vector3 Down = distance*SunPoint.TransformDirection(vector3(0,-1,0)); 	// calculate rotation of SunRing
		SunPoint.SetLocation(Down.x, Down.y, Down.z);

	}

	void RenderHUD(ScriptedHUD@ HUD) {	// Hack Hack

		float newTime = GetEngineTime();
		float DayTime = ((newTime*(1.0f/duration)*2*my_PI)%(2*my_PI)) ;
		float x = sin(DayTime);	// adjust fading
		float y = -sin(DayTime);	// adjust fading


		x = x <0 ? 0 : x;	// minimum = 0
		y = y <0 ? 0 : y;	// minimum = 0

		x = (2.0f+(1/duration))*x;	// adjust fading
		y = (2.0f+(1/duration))*y;	// adjust fading

		x = x <1 ? x : 1;	// maximum = 1
		y = y <1 ? y : 1;	// maximum = 1

		vector3 Sun = x*vector3(0.9f,0.8f,0.7f);	// sunlight
		float Blend = (x+y) < 1 ? (x+y) : 1;
		//Sun += vector3(1,0.5f,0.1f)*(1-Blend);	// sunlight at blending
		SunColor.Set(vector4(Sun.x,Sun.y,Sun.z,1));	// assign sunlight color
		Sun = x*vector3(0.1f,0.15f,0.2f);	// overwrite Sun with color for scenelight - day
		Sun += y*vector3(0.2f,0.35f,0.5f);	// at night
		Sun += vector3(0.5,0.3f,0.1f)*(1-Blend);	// at blending
		SceneColor.Set(vector4(Sun.x, Sun.y,Sun.z,1));	// assign scene light color

		//HUD.DrawDebugText(" " + DayTime +"\n" + x, 0.0f, 50.0f);
	}

	void DoAdjustDuration (string input) {
		WFile@ File;
		FloatProperty@ Prop;
		@File = World.FindFile(input);
		@Prop = File.GetFloatProperty("f1_duration");
		Prop.Set(duration);
	}

	void AdjustDuration () {
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Sky.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Glow_red.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Glow_green.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Glow_blue.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_1.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_2.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_3.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_4.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_5.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_6.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_7.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_8.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_9.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_10.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_11-12.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_13.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_14-15-16-17-18.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_19.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_20.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_21.fxi");
		DoAdjustDuration("Env_Cubes.wpk\\Shader\\Cubes_22.fxi");
	}
}