From 70291cc1f49340fc07bf1e3fec8f604c52e781ac Mon Sep 17 00:00:00 2001
From: Christoph Sommer <mail@christoph-sommer.de>
Date: Sun, 9 Apr 2006 13:32:19 +0000
Subject: [PATCH] Console commands can pass arguments

SVN-Revision: 3278
---
 src/console.cpp      | 22 +++++++++++++++++++---
 src/console.hpp      | 24 +++++++++++++++++++++++-
 src/game_session.cpp | 17 ++++++++---------
 src/game_session.hpp |  2 +-
 4 files changed, 51 insertions(+), 14 deletions(-)

diff --git a/src/console.cpp b/src/console.cpp
index 32c115036..f3e022072 100644
--- a/src/console.cpp
+++ b/src/console.cpp
@@ -126,15 +126,31 @@ Console::addLine(std::string s)
 void
 Console::parse(std::string s) 
 {
-  std::map<std::string, std::list<ConsoleCommandReceiver*> >::iterator i = commands.find(s);
+  // split line into list of args
+  std::vector<std::string> args;
+  size_t start = 0;
+  size_t end = 0;
+  while (1) {
+    start = s.find_first_not_of(" ,", end);
+    end = s.find_first_of(" ,", start);
+    if (start == s.npos) break;
+    args.push_back(s.substr(start, end-start));
+  }
+
+  // command is args[0]
+  std::string command = args.front();
+  args.erase(args.begin());
+
+  // look up registered ccr
+  std::map<std::string, std::list<ConsoleCommandReceiver*> >::iterator i = commands.find(command);
   if ((i == commands.end()) || (i->second.size() == 0)) {
-    addLine("unknown command: \"" + s + "\"");
+    addLine("unknown command: \"" + command + "\"");
     return;
   }
 
   // send command to the most recently registered ccr
   ConsoleCommandReceiver* ccr = i->second.front();
-  if (ccr->consoleCommand(s) != true) msg_warning << "Sent command to registered ccr, but command was unhandled" << std::endl;
+  if (ccr->consoleCommand(command, args) != true) msg_warning << "Sent command to registered ccr, but command was unhandled" << std::endl;
 }
 
 bool
diff --git a/src/console.hpp b/src/console.hpp
index 98571ab23..445c91245 100644
--- a/src/console.hpp
+++ b/src/console.hpp
@@ -22,6 +22,7 @@
 
 #include <list>
 #include <map>
+#include <vector>
 #include <string>
 #include <sstream>
 #include <iostream>
@@ -53,6 +54,27 @@ class Console
     static bool hasFocus(); /**< true if characters should be sent to the console instead of their normal target */
     static void registerCommand(std::string command, ConsoleCommandReceiver* ccr); /**< associate command with the given CCR */
     static void unregisterCommand(std::string command, ConsoleCommandReceiver* ccr); /**< dissociate command and CCR */
+    static void unregisterCommands(ConsoleCommandReceiver* ccr); /**< dissociate all commands of given CCR */
+
+    template<typename T> static bool string_is(std::string s) {
+      std::istringstream iss(s);
+      T i;
+      if ((iss >> i) && iss.eof()) {
+	return true;
+      } else {
+	return false;
+      }
+    }
+
+    template<typename T> static T string_to(std::string s) {
+      std::istringstream iss(s);
+      T i;
+      if ((iss >> i) && iss.eof()) {
+	return i;
+      } else {
+	return T();
+      }
+    }
 
   protected:
     static std::list<std::string> lines; /**< backbuffer of lines sent to the console */
@@ -91,7 +113,7 @@ class ConsoleCommandReceiver
     {
       //Console::registerCommandReceiver(this);
     }
-    virtual bool consoleCommand(std::string command) = 0; /**< callback from Console; return false if command was unknown, true otherwise */
+    virtual bool consoleCommand(std::string command, std::vector<std::string> arguments) = 0; /**< callback from Console; return false if command was unknown, true otherwise */
     virtual ~ConsoleCommandReceiver()
     {
       //Console::unregisterCommandReceiver(this);
diff --git a/src/game_session.cpp b/src/game_session.cpp
index 35c482969..b502668c6 100644
--- a/src/game_session.cpp
+++ b/src/game_session.cpp
@@ -83,9 +83,8 @@ namespace {
 	  "grow", 
 	  "fire", 
 	  "ice",
-	  "lifeup",
+	  "coins",
 	  "numberofthebeast",
-	  "lifedown",
 	  "grease",
 	  "invincible",
 	  "mortal",
@@ -348,7 +347,7 @@ GameSession::process_events()
 }
 
 bool
-GameSession::consoleCommand(std::string command)
+GameSession::consoleCommand(std::string command, std::vector<std::string> arguments)
 {
   if (command == "foo") {
     msg_info << "bar" << std::endl;
@@ -372,18 +371,18 @@ GameSession::consoleCommand(std::string command)
     tux.set_bonus(ICE_BONUS, false);
     return true;
   }
-  if (command == "lifeup") {
-    player_status->incLives();
+  if (command == "coins") {
+    if ((arguments.size() < 1) || (!Console::string_is<int>(arguments[0]))) {
+      msg_info << "Usage: coins <number>" << std::endl;
+    } else {
+      player_status->coins = Console::string_to<int>(arguments[0]);
+    }
     return true;
   }
   if (command == "numberofthebeast") {
     player_status->coins += 55;
     return true;
   }
-  if (command == "lifedown") {
-    player_status->coins = std::max(player_status->coins-25, 0);
-    return true;
-  }
   if (command == "grease") {
     tux.physic.set_velocity_x(tux.physic.get_velocity_x()*3);
     return true;
diff --git a/src/game_session.hpp b/src/game_session.hpp
index 57edaa4fe..3b14707c7 100644
--- a/src/game_session.hpp
+++ b/src/game_session.hpp
@@ -95,7 +95,7 @@ public:
    * resources for the current level/world
    */
   std::string get_working_directory();
-  bool consoleCommand(std::string command); /**< callback from Console; return false if command was unknown, true otherwise */
+  bool consoleCommand(std::string command, std::vector<std::string> arguments); /**< callback from Console; return false if command was unknown, true otherwise */
 
 private:
   void restart_level(bool fromBeginning = true);
-- 
2.11.0