Script interpreter (work in progress)

reaction/game/g_scripts.c

@@ -0,0 +1,131 @@
+#include "g_parser.h"
+
+#define BUFFER_SIZE		(32 * 1024)
+static char scriptBuffer[BUFFER_SIZE];
+
+// Parser states //////////////////////////////////////////////
+
+TParseState STATE_Base;
+TParseState STATE_Main;
+TParseState STATE_Restrictions;
+TParseState STATE_Rotation;
+
+///////////////////////////////////////////////////////////////
+// BASE STATE /////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////
+// Functions //////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////
+SCRIPT_FUNC(Base_To_Main)
+{
+	SCRIPT_PUSH_STATE(STATE_Main);
+	return 0;
+}
+END_SCRIPT_FUNC()
+///////////////////////////////////////////////////////////////
+SCRIPT_FUNC(Base_To_Restrictions)
+{
+	SCRIPT_PUSH_STATE(STATE_Restrictions);
+	return 0;
+}
+END_SCRIPT_FUNC()
+///////////////////////////////////////////////////////////////
+SCRIPT_FUNC(Base_To_Rotation)
+{
+	SCRIPT_PUSH_STATE(STATE_Rotation);
+	return 0;
+}
+END_SCRIPT_FUNC()
+///////////////////////////////////////////////////////////////
+// State definition ///////////////////////////////////////////
+///////////////////////////////////////////////////////////////
+SCRIPT_STATE(STATE_Base, NO_DATA)
+{
+	ADD_RULE("[main]",				Base_To_Main)
+	ADD_RULE("[restrictions]",		Base_To_Restrictions)
+	ADD_RULE("[rotation]",			Base_To_Rotation)
+	ADD_RULE("/*",					SFN_SkipComment)
+	ADD_RULE("//",					SFN_SkipLineComment)
+	END_STATE_MARKER
+};
+
+///////////////////////////////////////////////////////////////
+// MAIN STATE /////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////
+// Functions //////////////////////////////////////////////////
+
+SCRIPT_FUNC(Main_Cvar)
+{
+	NEEDS_TOKENS(1, tokens);
+	G_Printf("Cvar: %s = %s\n", tokens[0], tokens[1]);
+	return 0;
+}
+END_SCRIPT_FUNC()
+
+// State definition ///////////////////////////////////////////
+
+SCRIPT_STATE(STATE_Main, NO_DATA)
+{
+	ADD_RULE("[/main]",				SFN_PopState)
+	ADD_RULE("cvar",				Main_Cvar)
+	ADD_RULE("/*",					SFN_SkipComment)
+	ADD_RULE("//",					SFN_SkipLineComment)
+	END_STATE_MARKER
+};
+
+///////////////////////////////////////////////////////////////
+// ROTATION STATE /////////////////////////////////////////////
+///////////////////////////////////////////////////////////////
+// Functions //////////////////////////////////////////////////
+
+// State definition ///////////////////////////////////////////
+
+SCRIPT_STATE(STATE_Rotation, NO_DATA)
+{
+	ADD_RULE("[/rotation]",			SFN_PopState)
+	ADD_RULE("/*",					SFN_SkipComment)
+	ADD_RULE("//",					SFN_SkipLineComment)
+	END_STATE_MARKER
+};
+
+
+///////////////////////////////////////////////////////////////
+// RESTRICTIONS STATE /////////////////////////////////////////
+///////////////////////////////////////////////////////////////
+// Functions //////////////////////////////////////////////////
+
+SCRIPT_FUNC(Restrictions_Cvar)
+{
+	NEEDS_TOKENS(1, tokens);
+	G_Printf("Cvar: %s = %s\n", tokens[0], tokens[1]);
+	return 0;
+}
+END_SCRIPT_FUNC()
+
+
+SCRIPT_STATE(STATE_Restrictions, NO_DATA)
+{
+	ADD_RULE("[/restrictions]",		SFN_PopState)
+	ADD_RULE("cvar",				Restrictions_Cvar)
+	ADD_RULE("/*",					SFN_SkipComment)
+	ADD_RULE("//",					SFN_SkipLineComment)
+	END_STATE_MARKER
+};
+
+///////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////
+
+void G_ParseScript(const char *fname)
+{
+	fileHandle_t file;
+	int len = trap_FS_FOpenFile(fname, &file, FS_READ);
+
+	if (!file)
+		return;
+
+	trap_FS_Read(scriptBuffer, len, file);
+	scriptBuffer[len] = 0;
+
+	trap_FS_FCloseFile(file);
+
+	Script_ParseString(scriptBuffer, &STATE_Base);
+}

reaction/game/g_scripts.h

@@ -0,0 +1,2 @@
+
+void G_ParseScript(const char *fname);

reaction/game/game.dsp

@@ -195,6 +195,14 @@ SOURCE=.\g_mover.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\g_parser.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\g_scripts.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\g_session.c
 # End Source File
 # Begin Source File
@@ -359,6 +367,10 @@ SOURCE=.\g_public.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\g_scripts.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\g_team.h
 # End Source File
 # Begin Source File

reaction/game/game.plg

@@ -6,13 +6,14 @@
 --------------------Configuration: game - Win32 Debug--------------------
 </h3>
 <h3>Command Lines</h3>
-Creating temporary file "C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP312.tmp" with contents
+Creating temporary file "C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP451.tmp" with contents
 [
 /nologo /G5 /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "BUILDING_REF_GL" /D "DEBUG" /FR"Debug/" /Fp"Debug/game.pch" /YX /Fo"Debug/" /Fd"Debug/" /FD /c 
 "D:\Work\rq3source\reaction\game\g_parser.c"
+"D:\Work\rq3source\reaction\game\g_scripts.c"
 ]
-Creating command line "cl.exe @C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP312.tmp" 
+Creating command line "cl.exe @C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP451.tmp" 
-Creating temporary file "C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP313.tmp" with contents
+Creating temporary file "C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP452.tmp" with contents
 [
 kernel32.lib user32.lib winmm.lib /nologo /base:"0x20000000" /subsystem:windows /dll /incremental:yes /pdb:"d:\games\quake3\reaction/qagamex86.pdb" /map:"Debug/qagamex86.map" /debug /machine:I386 /def:".\game.def" /out:"D:\Work\rq3source\reaction\Release\qagamex86.dll" /implib:"d:\games\quake3\reaction/qagamex86.lib" 
 .\Debug\ai_chat.obj
@@ -39,6 +40,8 @@ kernel32.lib user32.lib winmm.lib /nologo /base:"0x20000000" /subsystem:windows
 .\Debug\g_misc.obj
 .\Debug\g_missile.obj
 .\Debug\g_mover.obj
+.\Debug\g_parser.obj
+.\Debug\g_scripts.obj
 .\Debug\g_session.obj
 .\Debug\g_spawn.obj
 .\Debug\g_svcmds.obj
@@ -55,14 +58,14 @@ kernel32.lib user32.lib winmm.lib /nologo /base:"0x20000000" /subsystem:windows
 .\Debug\rxn_game.obj
 .\Debug\zcam.obj
 .\Debug\zcam_target.obj
-.\Debug\g_parser.obj
 ]
-Creating command line "link.exe @C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP313.tmp"
+Creating command line "link.exe @C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP452.tmp"
 <h3>Output Window</h3>
 Compiling...
 g_parser.c
+g_scripts.c
 Linking...
-Creating temporary file "C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP314.tmp" with contents
+Creating temporary file "C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP453.tmp" with contents
 [
 /nologo /o"d:\games\quake3\reaction/game.bsc" 
 .\Debug\ai_chat.sbr
@@ -89,6 +92,8 @@ Creating temporary file "C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP314.tmp" with conte
 .\Debug\g_misc.sbr
 .\Debug\g_missile.sbr
 .\Debug\g_mover.sbr
+.\Debug\g_parser.sbr
+.\Debug\g_scripts.sbr
 .\Debug\g_session.sbr
 .\Debug\g_spawn.sbr
 .\Debug\g_svcmds.sbr
@@ -104,9 +109,8 @@ Creating temporary file "C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP314.tmp" with conte
 .\Debug\q_shared.sbr
 .\Debug\rxn_game.sbr
 .\Debug\zcam.sbr
-.\Debug\zcam_target.sbr
+.\Debug\zcam_target.sbr]
-.\Debug\g_parser.sbr]
+Creating command line "bscmake.exe @C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP453.tmp"
-Creating command line "bscmake.exe @C:\DOCUME~1\Andrei\LOCALS~1\Temp\RSP314.tmp"
 Creating browse info file...
 <h3>Output Window</h3>