Added zhp.inc :)

src/zr/zhp.inc

@@ -0,0 +1,175 @@
+/*
+ * ============================================================================
+ *
+ *   Zombie:Reloaded
+ *
+ *   File:        zhp.inc
+ *   Description: Displays 
+ *   Author:      Greyscale, Richard Helgeby
+ *
+ * ============================================================================
+ */
+
+/**
+ * Array for storing ZHP timer handles per client.
+ */
+new Handle:tZHP[MAXPLAYERS + 1];
+
+/**
+ * Array for flagging client to display HP
+ */
+new bool:pZHP[MAXPLAYERS + 1];
+
+/**
+ * Client is joining the server.
+ * 
+ * @param client    The client index.
+ */
+ZHPClientInit(client)
+{
+    // Get default client setting from cvar.
+    new bool:zhp = GetConVarBool(gCvars[CVAR_ZHP_DEFAULT]);
+    
+    // Set flag to default value.
+    pZHP[client] = zhp;
+    
+    // Reset timer handle.
+    tZHP[client] = INVALID_HANDLE;
+}
+
+/**
+ * Toggle ZHP on a client.
+ * 
+ * @param client    The client index.
+ */
+ZHPToggle(client)
+{
+    // If ZHP is disabled, then stop.
+    new bool:zhp = GetConVarBool(gCvars[CVAR_ZHP]);
+    if (!zhp)
+    {
+        // Tell client feature is disabled.
+        ZR_PrintToChat(client, "Feature is disabled");
+        
+        // Stop.
+        return;
+    }
+    
+    // If ZHP is enabled, then tell client it's being disabled.
+    if (pZHP[client])
+    {
+        ZR_PrintToChat(client, "ZHP disable");
+    }
+    // If ZHP is disabled, then tell client it's being enabled.
+    else
+    {
+        ZR_PrintToChat(client, "ZHP enable");
+        
+        // Update HP display.
+        ZHPUpdateHUD(client);
+    }
+    
+    // Toggle ZHP flag.
+    pZHP[client] = !pZHP[client];
+}
+
+/**
+ * Player has been infected.
+ * 
+ * @param client    The client index.
+ */
+ZHPOnClientInfected(client)
+{
+    // If ZHP is disabled, then stop.
+    new bool:zhp = GetConVarBool(gCvars[CVAR_ZHP]);
+    if (!zhp)
+    {
+        return;
+    }
+    
+    // Update HP display.
+    ZHPUpdateHUD(client);
+    
+    // If timer is currently running, kill it.
+    if (tZHP[client] != INVALID_HANDLE)
+    {
+        KillTimer(tZHP[client]);
+    }
+    
+    // Start repeating timer to update display.
+    tZHP[client] = CreateTimer(5.0, ZHPTimer, client, TIMER_FLAG_NO_MAPCHANGE|TIMER_REPEAT);
+}
+
+/**
+ * Player has been hurt.
+ * 
+ * @param client    The client index.
+ */
+ZHPOnPlayerHurt(client)
+{
+    // Update HP display.
+    ZHPUpdateHUD(client);
+}
+
+/**
+ * Zombie has gained health for infecting a player.
+ * 
+ * @param client    The client index.
+ */
+ZHPOnHealthInfectGain(client)
+{
+    // Update HP display.
+    ZHPUpdateHUD(client);
+}
+
+/**
+ * Update HP display for a player.
+ * 
+ * @param client    The client index.
+ */ 
+ZHPUpdateHUD(client)
+{
+    // If ZHP is disabled, then stop.
+    new bool:zhp = GetConVarBool(gCvars[CVAR_ZHP]);
+    if (!zhp)
+    {
+        return;
+    }
+    
+    // If player is a zombie, or has ZHP disabled, then stop.
+    if (!IsPlayerZombie(client) || !pZHP[client])
+    {
+        return;
+    }
+    
+    // Get health, and if below 0 then set back to 0. (for display purposes)
+    new health = GetClientHealth(client);
+    if (health < 0)
+    {
+        health = 0;
+    }
+    
+    // Display HP
+    ZR_HudHint(client, "Display HP", health);
+}
+
+/**
+ * Timer callback.  Repetitively calls ZHPUpdateHUD() until stopped.
+ * 
+ * @param timer     The timer handle. 
+ * @param client    The client index.
+ */ 
+public Action:ZHPTimer(Handle:timer, any:client)
+{
+    // If client leaves, then stop timer.
+    if (!IsClientInGame(client))
+    {
+        return Plugin_Stop;
+    }
+    
+    // Update HP display.
+    ZHPUpdateHUD(client);
+    
+    // Allow timer to continue.
+    return Plugin_Continue;
+}