Add player health & a heart sprite.

GitOrigin-RevId: 3389f46044a3fbb48af8533370c0318982c9ad83

Shared/Player.cs

@@ -36,8 +36,13 @@ namespace SemiColinGames {
     private double jumpTime = 0;
 
     public Player() {
+      Health = MaxHealth;
     }
 
+    public int MaxHealth { get; private set; } = 5;
+
+    public int Health { get; private set; }
+
     public int Facing { get; private set; } = 1;
 
     public Point Position { get { return position; } }

Shared/Scene.cs

@@ -95,15 +95,23 @@ namespace SemiColinGames {
       Debug.Draw(graphics, basicEffect);
 
       // Draw in-world UI on top of everything.
-      if (paused) {
-        spriteBatch.Begin(
-            SpriteSortMode.Deferred, null, SamplerState.PointClamp, null, null, null, null);
+      spriteBatch.Begin(
+          SpriteSortMode.Deferred, null, SamplerState.PointClamp, null, null, null, null);
+      for (int i = 0; i < player.MaxHealth; i++) {
+        Vector2 pos = new Vector2(16 + 16 * i, 8);
+        if (player.Health > i) {
+          spriteBatch.Draw(Textures.Heart.Get, pos, new Rectangle(0, 0, 16, 16), Color.White);
+        } else {
+          spriteBatch.Draw(Textures.Heart.Get, pos, new Rectangle(16, 0, 16, 16), Color.White);
+        }
+      }
 
+      if (paused) {
         string text = "Paused";
         Vector2 position = Textures.BannerFont.CenteredOn(text, camera.HalfSize);
         Text.DrawOutlined(spriteBatch, Textures.BannerFont, text, position, Color.White);
-        spriteBatch.End();
       }
+      spriteBatch.End();
 
       // Get ready to draw sceneTarget to screen.
       graphics.SetRenderTarget(null);
@@ -124,7 +132,7 @@ namespace SemiColinGames {
       }
 
       // Actually draw to screen.
-      spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.AlphaBlend,
+      spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend,
           SamplerState.PointClamp, DepthStencilState.Default,
           RasterizerState.CullNone);
       spriteBatch.Draw(sceneTarget, drawRect, Color.White);

Shared/Textures.cs

@@ -34,6 +34,7 @@ namespace SemiColinGames {
     public static SpriteFont BannerFont;
 
     public static TextureRef Player = new TextureRef("sprites/ccg/ninja_female");
+    public static TextureRef Heart = new TextureRef("sprites/semicolin/heart");
 
     // Backgrounds are indexed by draw order; the first element should be drawn furthest back.
     public static TextureRef[] Backgrounds = new TextureRef[] {