/*
MainControl.cpp
Written by Matthew Fisher

MainControl includes everything that changes often between applications, such as what meshes to load,
and also determines what is rendered each frame.
*/

//All source files include Main.h
#include "Main.h"

const int XFileCount = 3;
const int MeshCount = 3;

void MainControl::LoadXFiles(GraphicsDevice &GD)
{
	int i;

	XFiles.Allocate(3);
	XFiles[0].Load("", "hunt.x", GD, ((D3DGraphicsDevice*)(&GD))->GetDevice());
	XFiles[1].Load("", "queen.x", GD, ((D3DGraphicsDevice*)(&GD))->GetDevice());
	XFiles[2].Load("", "king.x", GD, ((D3DGraphicsDevice*)(&GD))->GetDevice());

	for(i=0;i<XFiles.Length();i++)
	{
		XFiles[i].TheMesh.CenterObject();
		XFiles[i].TheMesh.SetRadius(1.0f);
		XFiles[i].TheMesh.Rotate(Vec3(PIf/2.0f,0.0f,0.0f));

		float Theta = i / float(XFileCount + MeshCount) * 2.0f * PIf;
		float Radius = 1.0f;													//angle and radius around the ring
		XFiles[i].TheMesh.Translate(Vec3(cosf(Theta)*Radius,sinf(Theta)*Radius,0.0f));	//translate using polar coordinates
		XFiles[i].TheMesh.TextureMapToNormals(2);
	}
	XFiles[0].TheMesh.ColorNormals();											//apply some color to Hunt
}

void MainControl::ReInit(GraphicsDevice &GD, WindowManager &WM)
{
	if(GD.GetFullScreen()) C.Mouse(0.0f);	//move the mouse to the middle of the screen

	MC.Perspective.PerspectiveFov(60.0f * PIf / 180.0f,								//the field of view = 60 degrees
									float(WM.GetWidth()) / float(WM.GetHeight()),	//the aspect ratio
									0.1f,											//near Z-plane
									20.0f);											//far Z-plane

	LoadXFiles(GD);
	Wood.Load(GD, "GrainWood.bmp");
}

void MainControl::Init(GraphicsDevice &GD, WindowManager &WM)
{
	ReInit(GD, WM);

	//initalize the camera
	C.Reset((eX*-2.0f-eY+eZ)*1.1f,		//the eye vector
			eZ,				//the up vector
			Origin);		//the vector we're looking at

	MC.World.Identity();	//zero the world and view matrices
	MC.View.Identity();
	
	Time = 0.0f;			//reset the time to 0
}

void MainControl::Render(GraphicsDevice &GD, WindowManager &WM)
{
	Time += T.SPF();								//advance the current time
	if(KeyCheckOnce(KEY_F)) GD.ToggleWireframe();	//toggle wireframe if the user presses "F"

	C.WindowKeyboard(1.0f,1.0f);					//move based upon the keyboard
	if(GD.GetFullScreen()) C.Mouse(0.001f);			//move based upon the mouse, if we're in full-screen mode
	C.Update(MC, GD);								//update the camera and load it into the current graphics device

	int i;
	for(i=0;i<XFiles.Length();i++)
	{
		Wood.Set();
		XFiles[i].Render();
	}

	GD.DrawVector("Camera - > ", C.VecEye, 0, 20);	//draw the camera position as text on the screen
}
	
void MainControl::FreeMemory()
{
	
}