improved physics, added better caching

fpc/library/c.cpp

@@ -19,6 +19,7 @@ CLDProject CCProject::Compile()
 	unsigned int hash = GenerateProjectHash();
 	for (auto &file: files)
 	{
+		V_printf("  CC     %s\n", file.GetString());
 		CUtlString szOutputFile = CUtlString("%s/cc/%u_%s/%s/%s.o",FPC_TEMPORAL_DIRNAME, hash, m_szName.GetString(), IFileSystem2::OwnDirectory(), file.GetString());
 		CUtlString szOutputDir;
 		CUtlVector<CUtlString> args;
@@ -83,7 +84,7 @@ void CCProject::GenerateCompileCommands()
 		V_fseek(f, -2, SEEK_CUR);
 		V_fprintf(f, "\n\t\t],\n");
 		V_fprintf(f, "\t\t\"file\": \"%s\",\n", file.m_szName.GetString());
-		V_fprintf(f, "\t\t\"directory\": \"%s\"\n", IFileSystem2::OwnDirectory());
+		V_fprintf(f, "\t\t\"directory\": \"%s\"\n", IFileSystem2::BuildDirectory());
 		V_fprintf(f, "\t},\n");
 	};
 	V_fseek(f, -2, SEEK_CUR);

fpc/library/helper.cpp

@@ -43,6 +43,15 @@ void IFileSystem2::CopyFile( const char *szDestination, const char *szOrigin )
 	};
 	IRunner::Run("cp", args);
 }
+void IFileSystem2::CopyDirectory( const char *szDestination, const char *szOrigin )
+{
+	CUtlVector<CUtlString> args = {
+		"-r",
+		CUtlString(szOrigin),
+		CUtlString(szDestination),
+	};
+	IRunner::Run("cp", args);
+}
 
 void IFileSystem2::MakeDirectory( const char *psz )
 {

fpc/library/ld.cpp

@@ -1,4 +1,5 @@
 #include "ld.h"
+#include "helper.h"
 #include "libgen.h"
 
 CUtlString CLDProject::Link( void )
@@ -23,7 +24,20 @@ CUtlString CLDProject::Link( void )
 	IFileSystem2::MakeDirectory(szOutputDir);
 	if (linkType == ELINK_STATIC_LIBRARY)
 	{
-		CUtlVector<CUtlString> args = {
+		V_printf("  AR     %s\n", m_szName.GetString());
+		bool shouldRecompile = false;
+		CUtlVector<CUtlString> args;
+		for (auto object: objects)
+		{
+			if (IFileSystem2::ShouldRecompile(object.m_szObjectFile,szOutputFile))
+			{
+				shouldRecompile = true;
+				break;
+			}
+		}
+		if (!shouldRecompile)
+			goto compiled;
+		args = {
 			"rcs",
 			szOutputFile
 		};
@@ -31,7 +45,20 @@ CUtlString CLDProject::Link( void )
 			args.AppendTail(object.m_szObjectFile);
 		IRunner::Run("ar", args);
 	} else {
-		CUtlVector<CUtlString> args = {
+		V_printf("  LINK   %s\n", m_szName.GetString());
+		bool shouldRecompile = false;
+		CUtlVector<CUtlString> args;
+		for (auto object: objects)
+		{
+			if (IFileSystem2::ShouldRecompile(object.m_szObjectFile,szOutputFile))
+			{
+				shouldRecompile = true;
+				break;
+			}
+		}
+		if (!shouldRecompile)
+			goto compiled;
+		args = {
 			"-rdynamic",
 			"-o",
 			szOutputFile,
@@ -47,5 +74,6 @@ CUtlString CLDProject::Link( void )
 		}
 		IRunner::Run("clang++", args);
 	}
+compiled:
 	return szOutputFile;
 };

fpc/library/runner.cpp

@@ -16,7 +16,6 @@ int IRunner::Run(CUtlString szName, CUtlVector<CUtlString>& args)
 		execargs.AppendTail(szName);
 		for (auto &arg: args)
 		{
-			V_printf("%s\n",arg.GetString());
 			execargs.AppendTail(arg);
 		}
 		execargs.AppendTail(0);

fpc/main.cpp

@@ -7,6 +7,7 @@
 #include "tier1/utlvector.h"
 #include "signal.h"
 #include "libgen.h"
+#include <unistd.h>
 
 CUtlString owndir;
 int build()
@@ -50,7 +51,9 @@ void IEngine_Signal(int sig)
 
 int main(int c, char **v)
 {	
-	CUtlString buildcppDir = IFileSystem2::OwnDirectory();
+	char path[1024];
+
+	CUtlString buildcppDir = getcwd(path, 1024);
 	owndir = buildcppDir;
 	char *szBuildcppDir = buildcppDir.GetString();
 findbuild: