//---------------------------------------------------------------------------------------------------------------------------------------------------
// <copyright file="TerrainModControl.cs" company="DarkWynter Studios">
//     Copyright (C)2007 DarkWynter Studios.  All rights reserved.
// </copyright>
//---------------------------------------------------------------------------------------------------------------------------------------------------
// {Contact : darkwynter.com for licensing information
//---------------------------------------------------------------------------------------------------------------------------------------------------

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using Microsoft.Xna;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;

using DarkWynter.Engine.Globals;
using DarkWynter.Engine.Utilities;
using DarkWynter.Engine.GameObjects;
using DarkWynter.Engine.Controllers;

using Color = System.Drawing.Color;
using Point = System.Drawing.Point;

namespace DarkWynter.App
{
    public partial class TerrainModControl : UserControl
    {
        // New Bitmap
        Bitmap bmp;
        Color currentColor = Color.Red;
        int brushSize = 50;
        Texture2D saveTexture;
        Vector4[] saveData;

        bool draw = false;
        static Enums_Engine.TerrainModType terrainModType = Enums_Engine.TerrainModType.EQUALTO;

        public TerrainModControl()
        {
            InitializeComponent();
            this.Dock = DockStyle.Fill;

            // New Bitmap
            // bmp = new Bitmap("c:/images/image.gif");
            bmp = new Bitmap(128,128);
            pictureBoxMapView.Image = bmp;


            //saveTexture = new Texture2D(GraphicsDevice, bmp.Width, bmp.Height, 0, TextureUsage.AutoGenerateMipMap, SurfaceFormat.Vector4);
            saveData = new Vector4[bmp.Width * bmp.Height];


            //getTMLoc.Hide();
            // Init TerrainMod values
            amountBox.Text = "5";
            radiusBox.Text = "2";
            positionBox1.Text = "21";
            positionBox2.Text = "0";
            positionBox3.Text = "45";
        }



        private static void TerrainModInterface(float amount, int radius, int timer, ref Vector3 position, ref Vector3 position2)
        {
            TerrainModRequest request = new TerrainModRequest(timer, amount, position, position2, radius, terrainModType);
            DarkWynter.Engine.Controllers.GameController.NonControllerBasedTerrainMod(request);
        }

        private void Enter_Click(object sender, EventArgs e)
        {
            // Validate Input
            if (positionBox1.Text == "") { positionBox1.Text = "0"; }
            if (positionBox2.Text == "") { positionBox2.Text = "0"; }
            if (positionBox3.Text == "") { positionBox3.Text = "0"; }
            if (end1.Text == "") { end1.Text = "0"; }
            if (end2.Text == "") { end2.Text = "0"; }
            if (end3.Text == "") { end3.Text = "0"; }

            // Terrain Mod Panel
            float amount = float.Parse(amountBox.Text);
            int radius = int.Parse(radiusBox.Text);
            int timer = 100; 

            Vector3 position = new Vector3(float.Parse(positionBox1.Text), float.Parse(positionBox2.Text), float.Parse(positionBox3.Text));
            Vector3 position2 = new Vector3(float.Parse(end1.Text), float.Parse(end2.Text), float.Parse(end3.Text));

            TerrainModInterface(amount, radius, timer, ref position, ref position2);
        }


        #region Level Edit
        private void pictureBoxMapView_MouseDown(object sender, MouseEventArgs me)
        {
            draw = true;
        }
        private void pictureBoxMapView_MouseUp(object sender, MouseEventArgs me)
        {
            draw = false;
        }
        private void pictureBoxMapView_MouseMove(object sender, MouseEventArgs me)
        {
            //MouseEventArgs me = e as MouseEventArgs;//or MouseEventArgs em = (MouseEventArgs)e;
            brushSize = (int) numericUpDownBrushSize.Value;
            if (draw)
            {
                // Paint the 2D bitmap using brushsize
                for (int i = -brushSize; i < brushSize; i++)
                {
                    for (int j = -brushSize; j < brushSize; j++)
                    {
                        // Find x & y relative to center of brush
                        int x = me.X + i;
                        int y = me.Y + j;

                        // If within the bmp bounds
                        if (0 < x && x < bmp.Width && 0 < y && y < bmp.Height)
                        {
                            // Call " Brush-Tip" Function here
                            bmp.SetPixel(x, y, currentColor);
                        }
                    }
                }
                // Redraw
                pictureBoxMapView.Refresh();

                // TerrainMod the 3D space using brushsize
                float amount = float.Parse(numericUpDownTerrainHeight.Text);
                int radius = int.Parse(numericUpDownBrushSize.Text);
                int timer = 100;

                Vector3 position = new Vector3(me.X, 0.0f, me.Y);
                Vector3 position2 = new Vector3(me.X, 0.0f, me.Y) + Vector3.One;

                TerrainModInterface(amount, radius, timer, ref position, ref position2);
            }
        }
        private void colorSelectionButton_Click(object sender, EventArgs e)
        {
            // Color Dialog Selection
            ColorDialog colorDlg = new ColorDialog();
            colorDlg.ShowDialog();
            currentColor = colorDlg.Color;
            this.colorSelectionButton.BackColor = currentColor;
        }
        private void numericUpDownGreyScaleValue_ValueChanged(object sender, EventArgs e)
        {
            // Grey Scale selection
            //int color = (int)this.numericUpDownGreyScaleValue.Value;
            //currentColor = Color.FromArgb(255, color, color, color);
            //this.colorSelectionButton.BackColor = currentColor;
        }
        #endregion

        public void SaveHeightMap()
        {
            for (int x = 0; x < saveTexture.Width; x++)
            {
                for (int y = 0; y < saveTexture.Height; y++)
                {
                    Color pixelColor = bmp.GetPixel(x, y);
                    saveData[x + y * saveTexture.Width] = new Vector4(pixelColor.R, pixelColor.G, pixelColor.B, pixelColor.A);
                }
            }

            saveTexture.SetData<Vector4>(saveData);
            saveTexture.Save("heightMap.dds", ImageFileFormat.Dds);
        }

        private void TerrainModControl_Load(object sender, EventArgs e)
        {

        }

        private void checkBoxAdditive_CheckedChanged(object sender, EventArgs e)
        {
            if (checkBoxAdditive.Checked)
            {
                terrainModType = Enums_Engine.TerrainModType.ADDITIVE;
            }
            else
            {
                terrainModType = Enums_Engine.TerrainModType.EQUALTO;
            }
        }
    }
}