client, 3rdparty/c55lib: Command-line parameters

3rdparty/c55lib/CMakeLists.txt

@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.6)
+project(c55lib)
+add_library(c55lib STATIC c55_getopt.cpp)

3rdparty/c55lib/c55_getopt.cpp

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2012 Perttu Ahola, celeron55@gmail.com (all rights reserved)
+ */
+
+#include "c55_getopt.h"
+#include <stdio.h>
+
+const char *c55_optarg = NULL;
+//int c55_optind = -1;
+
+int c55_argi = 0;
+const char *c55_cp = NULL;
+
+int c55_getopt(int argc, char *argv[], const char *argspec)
+{
+	if(c55_cp == NULL || *c55_cp == 0){
+		for(;;){
+			c55_argi++;
+			if(c55_argi >= argc)
+				return -1;
+			c55_cp = &argv[c55_argi][0];
+			if(*c55_cp == '-'){
+				c55_cp++;
+				if(*c55_cp != 0)
+					break;
+			}
+			fprintf(stderr, "getopt: skipping \"%s\"\n", argv[c55_argi]);
+		}
+	}
+	char cc = *c55_cp;
+	c55_cp++;
+	const char *specp = argspec;
+	while(*specp){
+		if(*specp == cc)
+			break;
+		specp++;
+	}
+	if(*specp == 0){
+		fprintf(stderr, "getopt: Invalid argument: %c\n", cc);
+		return '?';
+	}
+	specp++;
+	if(*specp != ':')
+		return cc;
+	if(*c55_cp == 0){
+		c55_argi++;
+		if(c55_argi >= argc){
+			fprintf(stderr, "getopt: Argument requires value: %c\n", cc);
+			return '?';
+		}
+		c55_optarg = argv[c55_argi];
+		c55_cp = NULL;
+	} else {
+		c55_optarg = c55_cp;
+		c55_cp = NULL;
+	}
+	return cc;
+}
+
+

3rdparty/c55lib/c55_getopt.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2012 Perttu Ahola, celeron55@gmail.com (all rights reserved)
+ */
+
+#ifndef __GETOPT_H__
+#define __GETOPT_H__
+
+extern const char *c55_optarg;
+//extern int c55_optind;
+
+extern int c55_argi;
+extern const char *c55_cp;
+
+int c55_getopt(int argc, char *argv[], const char *argspec);
+
+#endif
+

CMakeLists.txt

@@ -6,6 +6,7 @@ project(buildat)
 #
 
 add_subdirectory("3rdparty/cereal")
+add_subdirectory("3rdparty/c55lib")
 
 #
 # Polycode
@@ -45,6 +46,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
 #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-protector-all")
 
 include_directories(src)
+include_directories(3rdparty/c55lib)
 
 # Client
 set(CLIENT_EXE_NAME buildat_client)
@@ -54,6 +56,7 @@ set(CLIENT_SRCS
 add_executable(${CLIENT_EXE_NAME} ${CLIENT_SRCS})
 TARGET_LINK_LIBRARIES(${CLIENT_EXE_NAME}
 	${POLYCODE_DEPENDENCY_LIBS}
+	c55lib
 )
 
 # Server
@@ -62,4 +65,7 @@ set(SERVER_SRCS
 	src/server/main.cpp
 )
 add_executable(${SERVER_EXE_NAME} ${SERVER_SRCS})
+TARGET_LINK_LIBRARIES(${SERVER_EXE_NAME}
+	c55lib
+)
 

design.txt

@@ -14,10 +14,6 @@ Built using C++ with most functionality in RCC++.
 
 C++ modules can interface with each other by using Cereal.
 
-Modules cannot be unloaded at runtime. Module unload and reload can be simulated
-by restarting the server and clients automatically while keeping connections
-open.
-
 Module structure
 ----------------
 module
@@ -33,3 +29,7 @@ Module behavior
 All client scripts are automatically sent to the client. Everything else is
 handled by the module implementation.
 
+Modules cannot be unloaded at runtime. Module unload and reload can be simulated
+by restarting the server and clients automatically while keeping connections
+open. This requires POLYCODE_CORE to be recreated.
+

src/client/config.h

@@ -0,0 +1,11 @@
+#include <string>
+
+namespace client
+{
+	struct Config
+	{
+		std::string server_address;
+		std::string polycode_path = "/home/celeron55/softat/polycode/";
+		std::string share_path = "../share";
+	};
+}

src/client/main.cpp

@@ -1,29 +1,33 @@
+#include "client/config.h"
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wsign-compare"
-#include <Polycode.h>
-#include <PolycodeView.h>
-#include <PolycodeLUA.h>
-#include <OSBasics.h>
+	#include <Polycode.h>
+	#include <PolycodeView.h>
+	#include <PolycodeLUA.h>
+	#include <OSBasics.h>
 #pragma GCC diagnostic pop
+#include <c55_getopt.h>
 
 using Polycode::PolycodeView;
 using Polycode::SDLCore;
 using Polycode::Logger;
 using Polycode::String;
 
+client::Config g_config;
+
 int MyLoader(lua_State* pState)
 {
 	// TODO: Security
 	std::string module = lua_tostring(pState, 1);
 
 	module += ".lua";
-	Logger::log("Loading custom class: %s\n", module.c_str());
+	//Logger::log("Loading custom class: %s\n", module.c_str());
 
 	std::vector<std::string> defaultPaths = {
-		"/home/celeron55/softat/polycode/Bindings/Contents/LUA/API/",
-		"/home/celeron55/softat/polycode/Modules/Bindings/2DPhysics/API/",
-		"/home/celeron55/softat/polycode/Modules/Bindings/3DPhysics/API/",
-		"/home/celeron55/softat/polycode/Modules/Bindings/UI/API/",
+		g_config.polycode_path+"/Bindings/Contents/LUA/API/",
+		g_config.polycode_path+"/Modules/Bindings/2DPhysics/API/",
+		g_config.polycode_path+"/Modules/Bindings/3DPhysics/API/",
+		g_config.polycode_path+"/Modules/Bindings/UI/API/",
 	};
 
 	for(std::string defaultPath : defaultPaths){
@@ -187,7 +191,7 @@ HelloPolycodeApp::HelloPolycodeApp(Polycode::PolycodeView *view):
 	// SDLCore for Linux
 	core = new POLYCODE_CORE(view, 640,480,false,false,0,0,90, 1, true);
 
-	Polycode::CoreServices::getInstance()->getResourceManager()->addArchive("../share/default.pak");
+	Polycode::CoreServices::getInstance()->getResourceManager()->addArchive(g_config.share_path+"/default.pak");
 	Polycode::CoreServices::getInstance()->getResourceManager()->addDirResource("default", false);
 
 	scene = new Polycode::Scene(Polycode::Scene::SCENE_2D);
@@ -259,7 +263,7 @@ HelloPolycodeApp::HelloPolycodeApp(Polycode::PolycodeView *view):
 	//luaopen_Physics3D(L);
 	//luaopen_UI(L);
 
-	int error = luaL_dofile(L, "../share/init.lua");
+	int error = luaL_dofile(L, (g_config.share_path+"/init.lua").c_str());
 	if(error){
 		Logger::log("luaL_dofile: An error occurred: %s\n", lua_tostring(L, -1));
 		lua_pop(L, 1);
@@ -279,6 +283,44 @@ bool HelloPolycodeApp::Update() {
 
 int main(int argc, char *argv[])
 {
+	client::Config &config = g_config;
+
+	const char opts[100] = "hs:p:P:";
+	const char usagefmt[1000] =
+	"Usage: %s [OPTION]...\n"
+	"  -h                   Show this help\n"
+	"  -s [address]         Specify server address\n"
+	"  -p [polycode_path]   Specify polycode path\n"
+	"  -P [share_path]      Specify share/ path\n"
+	;
+
+	int c;
+	while((c = c55_getopt(argc, argv, opts)) != -1)
+	{  
+		switch(c)
+		{
+		case 'h':
+			printf(usagefmt, argv[0]);
+			return 1;
+		case 's':
+			fprintf(stderr, "INFO: config.server_address: %s\n", c55_optarg);
+			config.server_address = c55_optarg;
+			break;
+		case 'p':
+			fprintf(stderr, "INFO: config.polycode_path: %s\n", c55_optarg);
+			config.polycode_path = c55_optarg;
+			break;
+		case 'P':
+			fprintf(stderr, "INFO: config.share_path: %s\n", c55_optarg);
+			config.share_path = c55_optarg;
+			break;
+		default:
+			fprintf(stderr, "ERROR: Invalid command-line argument\n");
+			fprintf(stderr, usagefmt, argv[0]);
+			return 1;
+		}
+	}
+
 	PolycodeView *view = new PolycodeView("Hello Polycode!");
 	HelloPolycodeApp *app = new HelloPolycodeApp(view);
 	while(app->Update());