0ad/source/ps/GameSetup/Config.cpp

#include "precompiled.h"

#include "ps/CLogger.h"
#include "ps/ConfigDB.h"
#include "ps/CConsole.h"
#include "ps/GameSetup/CmdLineArgs.h"
#include "lib/timer.h"
#include "lib/res/sound/snd_mgr.h"
#include "lib/res/file/trace.h"
#include "lib/res/file/vfs.h"
#include "lib/res/file/vfs_optimizer.h"
#include "Config.h"

#define LOG_CATEGORY "config"

CStr g_CursorName = "test";
CStr g_ActiveProfile = "default";

// flag to disable extended GL extensions until fix found - specifically, crashes
// using VBOs on laptop Radeon cards
bool g_NoGLVBO=false;
// disable FBO extension in case the driver is flaky
bool g_NoGLFramebufferObject = false;
// flag to switch on shadows
bool g_Shadows=false;
// flag to switch on reflective/refractive water
bool g_FancyWater=false;
// flag to switch on fixed frame timing (RC: I'm using this for profiling purposes)
bool g_FixedFrameTiming=false;
bool g_VSync = false;
float g_LodBias = 0.0f;
float g_Gamma = 1.0f;
bool g_EntGraph = false;
CStr g_RenderPath = "default";

// graphics mode
int g_xres, g_yres;
int g_bpp;
int g_freq;

bool g_Quickstart=false;

// If non-empty, specified map will be automatically loaded
CStr g_AutostartMap = "";

//----------------------------------------------------------------------------
// config and profile
//----------------------------------------------------------------------------

static void LoadProfile( const CStr& profile )
{
	CStr base = CStr( "profiles/" ) + profile;
	g_ConfigDB.SetConfigFile(CFG_USER, true, base +  "/settings/user.cfg");
	g_ConfigDB.Reload(CFG_USER);

	int max_history_lines = 200;
	CFG_GET_USER_VAL("console.history.size", Int, max_history_lines);
	g_Console->UseHistoryFile(base+"/settings/history", max_history_lines);
}


// Fill in the globals from the config files.
static void LoadGlobals()
{
	CFG_GET_SYS_VAL("profile", String, g_ActiveProfile);

	// Now load the profile before trying to retrieve the values of the rest of these.

	LoadProfile( g_ActiveProfile );

	CFG_GET_USER_VAL("xres", Int, g_xres);
	CFG_GET_USER_VAL("yres", Int, g_yres);

	CFG_GET_USER_VAL("vsync", Bool, g_VSync);
	CFG_GET_USER_VAL("novbo", Bool, g_NoGLVBO);
	CFG_GET_USER_VAL("noframebufferobject", Bool, g_NoGLFramebufferObject);
	CFG_GET_USER_VAL("shadows", Bool, g_Shadows);
	CFG_GET_USER_VAL("fancywater", Bool, g_FancyWater);
	CFG_GET_USER_VAL("renderpath", String, g_RenderPath);

	CFG_GET_USER_VAL("lodbias", Float, g_LodBias);

	float gain = -1.0f;
	CFG_GET_USER_VAL("sound.mastergain", Float, gain);
	if(gain > 0.0f)
		WARN_ERR(snd_set_master_gain(gain));

	LOG(NORMAL, LOG_CATEGORY, "g_x/yres is %dx%d", g_xres, g_yres);
	LOG(NORMAL, LOG_CATEGORY, "Active profile is %s", g_ActiveProfile.c_str());
}


static void ProcessCommandLineArgs(const CmdLineArgs& args)
{
	// TODO: all these options (and the ones processed elsewhere) should
	// be documented somewhere for users.

	if (args.Has("autostart"))
		 g_AutostartMap = args.Get("autostart");

	if (args.Has("buildarchive"))
	{
		// note: VFS init is sure to have been completed by now
		// (since CONFIG_Init reads from file); therefore,
		// it is safe to call this from here directly.
		vfs_opt_rebuild_main_archive("mods/official/official1.zip", "../logs/trace.txt");
	}

	// Handle "-conf=key:value" (potentially multiple times)
	std::vector<CStr> conf = args.GetMultiple("conf");
	for (size_t i = 0; i < conf.size(); ++i)
	{
		CStr name_value = conf[i];
		if (name_value.Find(':') != -1)
		{
			CStr name = name_value.BeforeFirst(":");
			CStr value = name_value.AfterFirst(":");
			g_ConfigDB.CreateValue(CFG_COMMAND, name)->m_String = value;
		}
	}

	if (args.Has("entgraph"))
		g_EntGraph = true;

	if (args.Has("fixedframe"))
		g_FixedFrameTiming = true;

	if (args.Has("g"))
	{
		g_Gamma = (float)atof(args.Get("g"));
		if (g_Gamma == 0.0f)
			g_Gamma = 1.0f;
	}

	if (args.Has("listfiles"))
		trace_enable(true);

	if (args.Has("profile"))
		g_ConfigDB.CreateValue(CFG_COMMAND, "profile")->m_String = args.Get("profile");

	if (args.Has("quickstart"))
		g_Quickstart = true;

	if (args.Has("shadows"))
		g_ConfigDB.CreateValue(CFG_COMMAND, "shadows")->m_String = "true";

	if (args.Has("vsync"))
		g_ConfigDB.CreateValue(CFG_COMMAND, "vsync")->m_String = "true";

	if (args.Has("xres"))
		g_ConfigDB.CreateValue(CFG_COMMAND, "xres")->m_String = args.Get("xres");

	if (args.Has("yres"))
		g_ConfigDB.CreateValue(CFG_COMMAND, "yres")->m_String = args.Get("yres");
}


void CONFIG_Init(const CmdLineArgs& args)
{
	TIMER("CONFIG_Init");
	MICROLOG(L"init config");

	new CConfigDB;

	g_ConfigDB.SetConfigFile(CFG_SYSTEM, false, "config/system.cfg");
	g_ConfigDB.Reload(CFG_SYSTEM);	// 216ms

	g_ConfigDB.SetConfigFile(CFG_MOD, true, "config/mod.cfg");
	// No point in reloading mod.cfg here - we haven't mounted mods yet

	ProcessCommandLineArgs(args);

	// Collect information from system.cfg, the profile file,
	// and any command-line overrides to fill in the globals.
	LoadGlobals();	// 64ms
}