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using System;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace isometricparkfna
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{
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public class Tile
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{
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//blatantly stolen from XNA resources.com
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static public int TileWidth = 64;
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static public int TileHeight = 64;
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static public int TileStepX = 64;
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static public int TileStepY = 16;
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static public int OddRowXOffset = 32;
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static public int HeightTileOffset = 32;
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static public int TileSpriteWidth = 64;
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static public int TileSpriteHeight = 32;
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static public Texture2D TileSetTexture;
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public Tile()
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{
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}
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static public Rectangle GetSourceRectangle(int tileIndex)
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{
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int tileY = tileIndex / (TileSetTexture.Width / TileWidth);
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int tileX = tileIndex % (TileSetTexture.Width / TileWidth);
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return new Rectangle(tileX * TileWidth, tileY * TileHeight, TileWidth, TileHeight);
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}
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static public Rectangle GetExtendedSourceRectangle(int tileIndex, int height)
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{
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int tileY = tileIndex / (TileSetTexture.Width / TileWidth);
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int tileX = tileIndex % (TileSetTexture.Width / TileWidth);
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return new Rectangle(tileX * TileWidth, tileY * TileHeight, TileWidth, TileHeight*height);
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}
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static public void OutlineSquare(SpriteBatch batch, float x, float y, Color color)
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{
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Tile.OutlineSquare(batch, x, y, color, 1);
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}
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static public void OutlineSquare(SpriteBatch batch, float x, float y, Color color, int size)
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{
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Vector2 adjust2 = new Vector2(Tile.TileSpriteWidth / 2, Tile.TileSpriteHeight); //TODO figure out why this second value shouldn't be halved
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//Upper right
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//float x = this.mouseGrid.X;
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//float y = this.mouseGrid.Y;
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Line.drawLine(batch,
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new Vector2(((x - y) * Tile.TileSpriteWidth / 2), (x + y) * Tile.TileSpriteHeight / 2) + adjust2,
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//new Vector2(this.squaresAcross * Tile.TileSpriteWidth, (y+1) * Tile.TileSpriteHeight),
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new Vector2(((x - y + size) * Tile.TileSpriteWidth / 2), (x + y + size) * Tile.TileSpriteHeight / 2) + adjust2,
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color, 0.79f);
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//Bottom right
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Line.drawLine(batch,
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new Vector2(((x + size - y) * Tile.TileSpriteWidth / 2), (x + size + y) * Tile.TileSpriteHeight / 2) + adjust2,
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//new Vector2(this.squaresAcross * Tile.TileSpriteWidth, (y+1) * Tile.TileSpriteHeight),
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new Vector2(((x + size - (y + size)) * Tile.TileSpriteWidth / 2), (x + size + (y + size)) * Tile.TileSpriteHeight / 2) + adjust2,
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color, 0.79f);
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//Bottom left
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Line.drawLine(batch,
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new Vector2(((x - (y + size)) * Tile.TileSpriteWidth / 2), (x + y + size) * Tile.TileSpriteHeight / 2) + adjust2,
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//new Vector2(this.squaresAcross * Tile.TileSpriteWidth, (y+1) * Tile.TileSpriteHeight),
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new Vector2(((x + size - (y + size)) * Tile.TileSpriteWidth / 2), (x + size + (y + size)) * Tile.TileSpriteHeight / 2) + adjust2,
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color, 0.79f);
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//Upper left
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Line.drawLine(batch,
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new Vector2(((x - y) * Tile.TileSpriteWidth / 2), (x + y) * Tile.TileSpriteHeight / 2) + adjust2,
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//new Vector2(this.squaresAcross * Tile.TileSpriteWidth, (y+1) * Tile.TileSpriteHeight),
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new Vector2(((x - (y + size)) * Tile.TileSpriteWidth / 2), (x + (y + size)) * Tile.TileSpriteHeight / 2) + adjust2,
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color, 0.79f);
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}
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// protected void drawTileAt(int x, int y, int tileIndex, int height)
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// {
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// float maxdepth = ((this.squaresAcross + 1) + ((this.squaresDown + 1) * Tile.TileWidth)) * 10;
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// float depthOffset = 0.7f - ((0 + (0 * Tile.TileWidth)) / maxdepth);
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// Tile.drawTileAt(x, y, tileIndex, height, depthOffset);
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// }
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public static void drawTileAt(SpriteBatch batch, int x, int y, int tileIndex, int height, float depth)
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{
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/*
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Vector2 firstSquare = Vector2.Zero;
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Vector2 squareOffset = Vector2.Zero;
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int offsetX = (int)squareOffset.X;
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int offsetY = (int)squareOffset.Y;
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int firstX = (int)firstSquare.X;
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int firstY = (int)firstSquare.Y;
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int rowOffset = 0;
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float maxdepth = ((this.squaresAcross + 1) + ((this.squaresDown + 1) * Tile.TileWidth)) * 10;
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int mapx = (firstX + x);
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int mapy = (firstY + y);
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float depthOffset = 0.7f - ((mapx + (mapy * Tile.TileWidth)) / maxdepth);
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if ((firstY + y) % 2 == 1)
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rowOffset = Tile.OddRowXOffset;
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batch.Draw(
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Tile.TileSetTexture,
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new Rectangle(
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(x * Tile.TileStepX) - offsetX + rowOffset + baseOffsetX,
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(y * Tile.TileStepY) - offsetY + baseOffsetY-(Tile.TileHeight*(height-1)),
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Tile.TileWidth, Tile.TileHeight*height),
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Tile.GetExtendedSourceRectangle(tileIndex, height),
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Color.White,
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0.0f,
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Vector2.Zero,
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SpriteEffects.None,
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depthOffset);
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*/
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int height_adjust = 0;
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if (height > 1) //not sure why this is necessary :/
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{
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height_adjust = height;
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}
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int adjustedx = x - height_adjust;
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int adjustedy = y - height_adjust;
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int screenx = (adjustedx - adjustedy) * Tile.TileSpriteWidth / 2;
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int screeny = (adjustedx + adjustedy) * Tile.TileSpriteHeight / 2;
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// if (this.cull(x, y))
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// {
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batch.Draw(
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Tile.TileSetTexture,
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new Rectangle(
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screenx,
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screeny,
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Tile.TileWidth, Tile.TileHeight * height),
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Tile.GetExtendedSourceRectangle(tileIndex, height),
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Color.White,
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0.0f,
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Vector2.Zero,
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SpriteEffects.None,
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depth);
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// }
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}
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}
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}
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