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adhoc map generation

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Dylan Wilson
2018-07-30 23:06:00 +10:00
parent a53955e8b0
commit defeac7b97
3 changed files with 45 additions and 13 deletions
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Source/Demos/JamGame/Systems/MapRenderingSystem.cs
+42 -3
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@@ -1,5 +1,6 @@
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using MonoGame.Extended;
using MonoGame.Extended.Entities.Systems;
using MonoGame.Extended.TextureAtlases;
@@ -10,12 +11,40 @@ namespace JamGame.Systems
private readonly GraphicsDevice _graphicsDevice;
private readonly Tileset _tileset;
private readonly SpriteBatch _spriteBatch;
private readonly FastRandom _random = new FastRandom();
private const int _mapWidth = 30;
private const int _mapHeight = 30;
private readonly int[,] _mapData = new int[_mapWidth, _mapHeight];
public MapRenderingSystem(GraphicsDevice graphicsDevice, Tileset tileset)
{
_graphicsDevice = graphicsDevice;
_tileset = tileset;
_spriteBatch = new SpriteBatch(graphicsDevice);
for (var x = 0; x < _mapWidth; x++)
{
for (var y = 0; y < _mapHeight; y++)
_mapData[x, y] = GetTileIndexAt(x, y);
}
}
private int GetTileIndexAt(int x, int y)
{
if (x < 3 || x > 19)
return -1;
if (y < 2 || y > 19)
return -1;
switch (y)
{
case 2: return x == 3 ? 0 : (x == 19 ? 1 : 2);
case 3: return x == 3 ? 16 : (x == 19 ? 18 : 17);
case 4: return _random.Next(32, 34);
default: return 50;
}
}
public override void Draw(GameTime gameTime)
@@ -23,10 +52,20 @@ namespace JamGame.Systems
_graphicsDevice.Clear(Color.DarkBlue * 0.2f);
_spriteBatch.Begin(samplerState: SamplerState.PointClamp, transformMatrix: Matrix.CreateScale(2));
for (var x = 3; x < 20; x++)
for (var x = 0; x < _mapWidth; x++)
{
for(var y = 3; y < 20; y++)
_spriteBatch.Draw(_tileset.GetTile(50), new Vector2(x * _tileset.TileWidth, y * _tileset.TileHeight), Color.White);
for (var y = 0; y < _mapHeight; y++)
{
var tileIndex = _mapData[x, y];
if (tileIndex >= 0)
{
var tile = _tileset.GetTile(tileIndex);
var position = new Vector2(x * _tileset.TileWidth, y * _tileset.TileHeight);
_spriteBatch.Draw(tile, position, Color.White);
}
}
}
_spriteBatch.End();