Feature/countdown (#54)

* v1

* fixes #20

* code review comments

* update version

* fix aliases

10 files changed, 172 insertions, 4 deletions

diff --git a/src/main/java/de/torui/coflsky/CoflSky.java b/src/main/java/de/torui/coflsky/CoflSky.java
index 18b4008..4a48958 100644
--- a/src/main/java/de/torui/coflsky/CoflSky.java
+++ b/src/main/java/de/torui/coflsky/CoflSky.java
@@ -20,7 +20,7 @@ import net.minecraftforge.fml.relauncher.Side;
 public class CoflSky
 {
     public static final String MODID = "CoflSky";
-    public static final String VERSION = "1.3-Alpha";
+    public static final String VERSION = "1.3.3-Alpha";
     
     public static WSClientWrapper Wrapper;
     public static KeyBinding[] keyBindings;
diff --git a/src/main/java/de/torui/coflsky/CoflSkyCommand.java b/src/main/java/de/torui/coflsky/CoflSkyCommand.java
index d5ee857..4ff5d5b 100644
--- a/src/main/java/de/torui/coflsky/CoflSkyCommand.java
+++ b/src/main/java/de/torui/coflsky/CoflSkyCommand.java
@@ -26,6 +26,7 @@ import net.minecraft.util.ChatComponentText;
 import net.minecraft.util.ChatStyle;
 import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.IChatComponent;
+import java.util.ArrayList;
 
 public class CoflSkyCommand extends CommandBase {
 
@@ -40,6 +41,15 @@ public class CoflSkyCommand extends CommandBase {
 	public String getCommandName() {
 		return "cofl";
 	}
+	@Override
+	public List getCommandAliases()
+	{
+		ArrayList<String> al = new ArrayList<String>();
+		al.add("Cofl");
+		al.add("coflnet");
+		al.add("cl");
+		return al;
+	}
 
 	@Override
 	public String getCommandUsage(ICommandSender sender) {
diff --git a/src/main/java/de/torui/coflsky/EventRegistry.java b/src/main/java/de/torui/coflsky/EventRegistry.java
index f8047e7..238d7e7 100644
--- a/src/main/java/de/torui/coflsky/EventRegistry.java
+++ b/src/main/java/de/torui/coflsky/EventRegistry.java
@@ -27,6 +27,7 @@ import net.minecraftforge.fml.common.gameevent.InputEvent.MouseInputEvent;
 import net.minecraftforge.fml.common.network.FMLNetworkEvent.ClientDisconnectionFromServerEvent;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
+import net.minecraftforge.fml.common.gameevent.TickEvent;
 
 public class EventRegistry {
 
@@ -201,4 +202,9 @@ public class EventRegistry {
 		}
 
 	}
+
+	@SubscribeEvent
+    public void OnRenderTick(TickEvent.RenderTickEvent event) {
+		CountdownTimer.onRenderTick(event);
+	}
 }
diff --git a/src/main/java/de/torui/coflsky/FlipperChatCommand.java b/src/main/java/de/torui/coflsky/FlipperChatCommand.java
index 61e7c52..618348e 100644
--- a/src/main/java/de/torui/coflsky/FlipperChatCommand.java
+++ b/src/main/java/de/torui/coflsky/FlipperChatCommand.java
@@ -26,6 +26,7 @@ import net.minecraft.util.ChatComponentText;
 import net.minecraft.util.ChatStyle;
 import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.IChatComponent;
+import java.util.ArrayList;
 
 public class FlipperChatCommand extends CoflSkyCommand {
 
@@ -36,6 +37,14 @@ public class FlipperChatCommand extends CoflSkyCommand {
 	}
 
 	@Override
+	public List getCommandAliases()
+	{
+		ArrayList<String> al = new ArrayList<String>();
+		al.add("coflchat");
+		return al;
+	}
+
+	@Override
 	public String getCommandUsage(ICommandSender sender) {
 		return "Shorthand for /cofl chat";
 	}
diff --git a/src/main/java/de/torui/coflsky/WSCommandHandler.java b/src/main/java/de/torui/coflsky/WSCommandHandler.java
index 0fc834f..616f860 100644
--- a/src/main/java/de/torui/coflsky/WSCommandHandler.java
+++ b/src/main/java/de/torui/coflsky/WSCommandHandler.java
@@ -8,6 +8,7 @@ import de.torui.coflsky.commands.JsonStringCommand;
 import de.torui.coflsky.commands.models.ChatMessageData;
 import de.torui.coflsky.commands.models.FlipData;
 import de.torui.coflsky.commands.models.SoundData;
+import de.torui.coflsky.commands.models.TimerData;
 import de.torui.coflsky.network.WSClient;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.audio.PositionedSoundRecord;
@@ -46,6 +47,10 @@ public class WSCommandHandler {
 			break;
 		case Flip:
 			Flip(cmd.GetAs(new TypeToken<FlipData>() {}));
+			break;
+		case Countdown:
+			StartTimer(cmd.GetAs(new TypeToken<TimerData>() {}));
+			break;
 		default:
 			break;
 		}
@@ -83,9 +88,15 @@ public class WSCommandHandler {
 		Execute(cmd.getData(),sender);	
 	}
 
+	/**
+	 * Starts a countdown
+	 */
+	private static void StartTimer(Command<TimerData> cmd) {
+		CountdownTimer.startCountdown(cmd.getData());
+	}
+
 	public static void Execute(String cmd, Entity sender)
 	{
-		
 		if(cmd.startsWith("/viewauction")){
 			String[] args = cmd.split(" ");
 			
diff --git a/src/main/java/de/torui/coflsky/commands/CommandType.java b/src/main/java/de/torui/coflsky/commands/CommandType.java
index ead7d3e..3d4ec05 100644
--- a/src/main/java/de/torui/coflsky/commands/CommandType.java
+++ b/src/main/java/de/torui/coflsky/commands/CommandType.java
@@ -35,6 +35,8 @@ public enum CommandType {
 	Reset,
 	@SerializedName("flip")
 	Flip,
+	@SerializedName("countdown")
+	Countdown, 
 ;
 	public static Map<CommandType,String> data;
 	static {
diff --git a/src/main/java/de/torui/coflsky/commands/models/FlipData.java b/src/main/java/de/torui/coflsky/commands/models/FlipData.java
index bdd955b..88836d2 100644
--- a/src/main/java/de/torui/coflsky/commands/models/FlipData.java
+++ b/src/main/java/de/torui/coflsky/commands/models/FlipData.java
@@ -21,6 +21,4 @@ public class FlipData {
 		Id = id;
 		Worth = worth;
 	}
-	
-	
 }
diff --git a/src/main/java/de/torui/coflsky/commands/models/TimerData.java b/src/main/java/de/torui/coflsky/commands/models/TimerData.java
new file mode 100644
index 0000000..50b3d68
--- /dev/null
+++ b/src/main/java/de/torui/coflsky/commands/models/TimerData.java
@@ -0,0 +1,22 @@
+package de.torui.coflsky.commands.models;
+
+import com.google.gson.annotations.SerializedName;
+
+public class TimerData {
+	
+	@SerializedName("seconds")
+	public double seconds;
+	
+	@SerializedName("heightPercent")
+	public int height;
+	@SerializedName("widthPercent")
+	public int width;
+	@SerializedName("scale")
+	public double scale;
+	
+	@SerializedName("prefix")
+	public String prefix;
+
+	@SerializedName("maxPrecision")
+	public int maxPrecision;
+}
diff --git a/src/main/java/de/torui/coflsky/minecraft_integration/CountdownTimer.java b/src/main/java/de/torui/coflsky/minecraft_integration/CountdownTimer.java
new file mode 100644
index 0000000..9c63627
--- /dev/null
+++ b/src/main/java/de/torui/coflsky/minecraft_integration/CountdownTimer.java
@@ -0,0 +1,102 @@
+package de.torui.coflsky;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.FontRenderer;
+import net.minecraft.client.gui.GuiChat;
+import net.minecraft.client.gui.ScaledResolution;
+import net.minecraft.client.renderer.GlStateManager;
+import net.minecraft.client.settings.KeyBinding;
+import net.minecraftforge.fml.client.registry.ClientRegistry;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.common.gameevent.InputEvent;
+import net.minecraftforge.fml.common.gameevent.TickEvent;
+import de.torui.coflsky.commands.models.TimerData;
+import org.lwjgl.input.Keyboard;
+
+import java.util.Locale;
+
+public class CountdownTimer {
+    private static Minecraft mc = Minecraft.getMinecraft();
+    private static FontRenderer fr = mc.fontRendererObj;
+
+    private static long currentEndTime;
+    private static int currentWidth;
+    private static int currentHeight;
+    private static double currentScale;
+    private static String currentPrefix;
+    private static int currentPrecision;
+
+    public CountdownTimer() {
+    }
+
+    public static void onRenderTick(TickEvent.RenderTickEvent event) {
+        if (mc.currentScreen == null || mc.currentScreen instanceof GuiChat) // will only draw the Timer while no GUI or the Chat is open
+            if (currentEndTime - System.currentTimeMillis() > 0)
+                drawTimer();
+    }
+
+    /**
+     * @param seconds          will start a timer starting at seconds
+     * @param widthPercentage  width in correlation to the window size
+     * @param heightPercentage height in correlation to the window size
+     * @param fontScale        scales the text size by factor (1 = no change)
+     */
+    public static void startCountdown(double seconds, int widthPercentage, int heightPercentage, double fontScale) {
+        startCountdown(seconds, widthPercentage, heightPercentage, fontScale, "", 4);
+    }
+
+    /**
+     * @param seconds          will start a timer starting at seconds
+     * @param widthPercentage  width in correlation to the window size
+     * @param heightPercentage height in correlation to the window size
+     * @param fontScale        scales the text size by factor (1 = no change)
+     * @param prefix           will put that text infront of the seconds (supports color codes using §)
+     * @param maxPrecision     length of the seconds in the timer
+     */
+    public static void startCountdown(double seconds, int widthPercentage, int heightPercentage, double fontScale, String prefix, int maxPrecision) {
+		System.out.println("###Starting countdown " + seconds);
+        currentEndTime = (long) (System.currentTimeMillis() + (seconds * 1000));
+        currentWidth = widthPercentage;
+        currentHeight = heightPercentage;
+        currentScale = fontScale;
+        currentPrefix = prefix;
+        currentPrecision = maxPrecision;
+    }
+
+    public static void startCountdown(TimerData data) {
+        startCountdown(data.seconds, data.width, data.height, data.scale, data.prefix, data.maxPrecision );
+    }
+
+    private static void drawTimer() {
+        long curMillis = currentEndTime - System.currentTimeMillis();
+        String render = getStringFromDouble(curMillis / 1000D);
+
+        ScaledResolution scaled = new ScaledResolution(mc);
+
+        GlStateManager.pushMatrix();
+        GlStateManager.scale(currentScale, currentScale, currentScale);
+        int scaledX = (int) (scaled.getScaledWidth() * (currentWidth / 100D)  / currentScale);
+        int scaledY = (int) (scaled.getScaledHeight() * (currentHeight / 100D)  / currentScale);
+        drawHVCenteredString(currentPrefix + render, scaledX, scaledY);
+        GlStateManager.popMatrix();
+    }
+
+    private static String getStringFromDouble(double seconds) {
+        String render;
+
+        if (seconds > 100) {
+            render = String.valueOf((int) seconds);
+        } else {
+            render = String.format(Locale.US, "%.3f", seconds).substring(0, currentPrecision);
+            if(render.charAt(render.length() - 1) == '.')
+                render = render.substring(0, currentPrecision -1);
+        }
+
+        return render + "s";
+    }
+
+    public static void drawHVCenteredString(String text, int x, int y) {
+        text = text.replaceAll("§", "" + ((char) 167));
+        fr.drawString(text, x - (fr.getStringWidth(text) >> 1), y - (fr.FONT_HEIGHT >> 1), 0xFFFFFFFF, true);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/torui/coflsky/network/WSClient.java b/src/main/java/de/torui/coflsky/network/WSClient.java
index ad9c436..46fdbb4 100644
--- a/src/main/java/de/torui/coflsky/network/WSClient.java
+++ b/src/main/java/de/torui/coflsky/network/WSClient.java
@@ -131,6 +131,14 @@ public class WSClient extends WebSocketAdapter {
 	public void Send(Object obj) {
 		String json = gson.toJson(obj);
 		System.out.println("###Sending message of json value " + json);
+		if(this.socket == null)
+			try 
+			{
+				start();
+			} catch(Exception e)
+			{
+		 		System.out.println("Ran into an error on implicit start for send: "+ e);
+			}
 		this.socket.sendText(json);
 	}