//DISCLAIMER. THIS USES THE GAME ENGINES 4-1 AS A FOUNDATION. WHILE IT HAS BEEN HEAVILY MODIFIED, MOST CODE HAS BEEN INSPIRED BY TUTORIALS BUT HAS BEEN CHANGED
//Declares header files
#include "SystemStarter.h"
#include "Skybox.h"
#include "Terrain.h"
#include "Billboards.h"

//declares keyboard handler for use in main
class MyKeyboardHandler : public KeyboardHandler {
public:
    MyKeyboardHandler() {
        for (int idx = 0; idx < 256; idx++) {
            Keys[idx] = false;
        }
    }

    void KeyPressed(char c) {
        Keys[c] = true;

    }

    void KeyReleased(char c) {
        Keys[c] = false;
    }

    bool IsKeyDown(char c) {
        return Keys[c];
    }

private:
    bool Keys[256];
};





//Windows main function
int WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLineArgs, int nInitialWinShowState)
{
    //FPS decleration
    wchar_t fps[64];

    ZeroMemory(fps, 64);


    int increase = 1.0f;
    //Keyboard handler
    MyKeyboardHandler keyb;

    //System starter
    SystemStarter sysStart;
    //Model handler
    Model model;
    //Skybox handler
    Skybox sky;
    //Billboard handler
    Billboards bill;
    //Terrain handler
    Terrain ter;
    //Starts window with 1000x80 resolution
    if (!sysStart.Initialiser(1000, 800)) {
        MessageBox(NULL, L"Unable to initialise DirectX", L"TGE", MB_OK);

        return -1;
    }



    //Sets the handler
    sysStart.SetKeyboardHandler(&keyb);

    //Sets the camera position
    sysStart.SetCameraPosi(Vector(0.0f, 5.0f, -10.0f));
    //Declares all used models
    Model *ModelShack = sysStart.AddModel();
    Model *ModelHuman = sysStart.AddModel();
    Model *ModelSign = sysStart.AddModel();
    Model *ModelMug = sysStart.AddModel();
    Model *ModelTable = sysStart.AddModel();
    Model *ModelCabinet = sysStart.AddModel();
    Model *ModelHouses = sysStart.AddModel();
    Model *ModelAxes = sysStart.AddModel();
    Model *ModelShield = sysStart.AddModel();
    Model *ModelChalice = sysStart.AddModel();

    //Loads the shack model
    if (!ModelShack->LoadModel(".\\klo_uv.x", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load earth.x", L"TGE", MB_OK);

        return false;
    }

    ModelShack->SetPosition(mVector(10.0f, -2.0f, 12.0f));
    ModelShack->SetScale(mVector(0.03f, 0.03f, 0.03f));
    ModelShack->SetRotation(mVector(-1.57f, 3.14f, 0.0f));
    // Next human model
    if (!ModelHuman->LoadModel(".\\Male1.x", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load dwarf.x", L"TGE", MB_OK);

        return false;
    }

    ModelHuman->SetPosition(mVector(0.0f, -2.0f, 10.0f));
    ModelHuman->SetScale(mVector(0.3f, 0.3f, 0.3f));

    // Next sign model
    if (!ModelSign->LoadModel(".\\Placa01.obj", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load Placa.obj", L"TGE", MB_OK);

        return false;
    }

    ModelSign->SetPosition(mVector(5.0f, -3.0f, 10.0f));
    ModelSign->SetScale(mVector(0.1f, 0.1f, 0.1f));

    // Next mug model
    if (!ModelMug->LoadModel(".\\wooden mug1.x", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load wooden mug1.x", L"TGE", MB_OK);

        return false;
    }

    ModelMug->SetPosition(mVector(-5.0f, -0.7f, 6.0f));
    ModelMug->SetScale(mVector(0.01f, 0.01f, 0.01f));

    // Next table model
    if (!ModelTable->LoadModel(".\\Table.x", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load Barrel.x", L"TGE", MB_OK);

        return false;
    }

    ModelTable->SetPosition(mVector(-5.0f, -2.0f, 6.0f));
    ModelTable->SetRotation(mVector(-1.57f, 0.0f, 0.0f));


    // Next cabinet model
    if (!ModelCabinet->LoadModel(".\\cabinet.x", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load dwarf.x", L"TGE", MB_OK);

        return false;
    }

    ModelCabinet->SetPosition(mVector(-7.0f, -2.0f, 5.0f));
    ModelCabinet->SetRotation(mVector(-1.57f, 0.0f, 0.0f));


    // Next houses model
    if (!ModelHouses->LoadModel(".\\medstreet.obj", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load dwarf.x", L"TGE", MB_OK);

        return false;
    }

    ModelHouses->SetPosition(mVector(0.0f, -2.0f, 20.0f));
    ModelHouses->SetScale(mVector(2.1f, 2.1f, 2.1f));

    // Next axes model
    if (!ModelAxes->LoadModel(".\\FREE AXE.obj", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load dwarf.x", L"TGE", MB_OK);

        return false;
    }

    ModelAxes->SetPosition(mVector(0.5f, -0.5f, 10.0f));
    ModelAxes->SetScale(mVector(0.1f, 0.1f, 0.1f));

    // Next shield model
    if (!ModelShield->LoadModel(".\\SA_LD_Wooden_Shield.obj", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load dwarf.x", L"TGE", MB_OK);

        return false;
    }

    ModelShield->SetScale(mVector(0.5f, 0.5f, 0.5f));

    // Next chalice model
    if (!ModelChalice->LoadModel(".\\SA_LD_Chalice.obj", sysStart.GetDevice())) {
        MessageBox(NULL, L"Unable to load dwarf.x", L"TGE", MB_OK);

        return false;
    }

    ModelChalice->SetPosition(mVector(-8.0f, 2.0f, 5.0f));
    ModelChalice->SetScale(mVector(0.1f, 0.1f, 0.1f));

    sysStart.CreateConstantBuffer(sysStart.m_hMainWnd);

    sysStart.CreateCullingRasterizersOnDepthTestStates(sysStart.m_hMainWnd);

    sysStart.SetRasterizerState(sysStart.m_hMainWnd);

    sysStart.CreateMeshes(sysStart.m_hMainWnd);

    //Creates skybox with chosen textures
    if (sysStart.CreateCubemapSkybox(L".\\hills_up.jpg",
        L".\\hills_dn.jpg",
        L".\\hills_lf.jpg",
        L".\\hills_rt.jpg",
        L".\\hills_ft.jpg",
        L".\\hills_bk.jpg", 512)) {
        //return 1;
    }

    //Declares billboards. PROBLEM WITH THIS AS THEY MAY ALL Be loading in exact same position
    Billboards *treeBill = sysStart.AddBillboard();
    Billboards *treeBill2 = sysStart.AddBillboard();
    Billboards *treeBill3 = sysStart.AddBillboard();
    Billboards *treeBill4 = sysStart.AddBillboard();
    Billboards *treeBill5 = sysStart.AddBillboard();

    //Main loop
    DWORD current = GetTickCount();
    int count = 0;
    int move = 0;//Declares movement values for animation

    while (sysStart.Run()) {
        //Checks to see if program is trying to be exited
        if (keyb.IsKeyDown(VK_ESCAPE)) {
            //Exit loop when it is
            break;
        }



        sysStart.StartFrame(100, 100, 250);//Starts the frame

        sysStart.DrawAll();//Draws all


        sysStart.EnableCamera();//Enables the camera

        //updates positions of animated models
        ModelHuman->SetPosition(mVector(0.0f, 0.0f, 0.0f - (move/999.99)));
        ModelShield->SetPosition(mVector(0.62f, 2.0f, 0.0f - (move/999.99)));
        ModelMug->SetRotation(mVector(0.0f, 0.0f - (move / 999.99), 0.0f));
        ModelChalice->SetRotation(mVector(0.0f, 0.0f - (move / 999.99), 0.0f));
        ModelAxes->SetRotation(mVector(0.0f - (move / 999.99), 0.0f , 0.0f));
        sysStart.EndFrame();

        count++;
        move++;//Counts 1 to movement value every frame
        DWORD now = GetTickCount();
        //Sets FPS counter
        if (now - current > 1000) {
            wsprintf(fps, L"FPS = %d", count);

            sysStart.SetWindowTitle(fps);//Displays fps in title of window


            count = 0;

            current = now;
        }


    }


    return 0;
}