1 files changed, 35 insertions, 4 deletions
diff --git a/src/RobotRace.java b/src/RobotRace.java
index cc48694..ee1fc86 100644
--- a/src/RobotRace.java
+++ b/src/RobotRace.java
@@ -142,6 +142,11 @@ public class RobotRace extends Base {
     private final Random random = new Random();
 
     /**
+     * Whether textures are enabled for surfaces.
+     */
+    boolean enableTextures;
+
+    /**
      * Constructs this robot race by initializing robots, camera, track, and
      * terrain.
      */
@@ -194,6 +199,9 @@ public class RobotRace extends Base {
         // Initialize global OpenGL context.
         BetterBase.setGL(gl);
 
+        // enable textures if supported
+        toggleTextures();
+
         // Enable blending.
         gl.glEnable(GL_BLEND);
         gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@@ -530,19 +538,23 @@ public class RobotRace extends Base {
     }
     
     public Texture getTorsoTexture() {
-        return this.torso;
+        assert torso != null;
+        return torso;
     }
     
     public Texture getHeadTexture() {
-        return this.head;
+        assert head != null;
+        return head;
     }
     
     public Texture getBrickTexture() {
-        return this.brick;
+        assert brick != null;
+        return brick;
     }
     
     public Texture getTrackTexture() {
-        return this.track;
+        assert track != null;
+        return track;
     }
             
     /**
@@ -583,10 +595,29 @@ public class RobotRace extends Base {
                 case KeyEvent.VK_I: /* print Info */
                     System.err.println("GlobalState: " + robotRace.gs);
                     return true;
+                case KeyEvent.VK_T: /* toggle Textures */
+                    boolean state = robotRace.toggleTextures();
+                    System.err.println("Textures are " +
+                            (state ? "enabled" : "disabled"));
+                    return true;
                 default:
                     return false;
                 }
             }
         });
     }
+
+    /**
+     * Disable textures if enabled, enable textures iff disabled AND supported.
+     * @return The new enabled state.
+     */
+    boolean toggleTextures() {
+        if (track == null || brick == null || head == null || torso == null) {
+            System.err.println("Some textures are missing");
+            enableTextures = false;
+        } else {
+            enableTextures = !enableTextures;
+        }
+        return enableTextures;
+    }
 }