X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=prvm_cmds.c;h=401c7f93e445b73c6fc19d02b9e5fb08b88116f8;hb=053e5e3f2137d880aaaa31ca8c5705c7edc15782;hp=543fd23c4fd13b698b2c6309b8695164b9d10ad0;hpb=52346e02f29e08dd01f1b723245d06a214700a26;p=xonotic%2Fdarkplaces.git

diff --git a/prvm_cmds.c b/prvm_cmds.c
index 543fd23c..401c7f93 100644
--- a/prvm_cmds.c
+++ b/prvm_cmds.c
@@ -9,19 +9,28 @@
 #include "prvm_cmds.h"
 #include <time.h>
 
+extern cvar_t prvm_backtraceforwarnings;
+
 // LordHavoc: changed this to NOT use a return statement, so that it can be used in functions that must return a value
 void VM_Warning(const char *fmt, ...)
 {
 	va_list argptr;
 	char msg[MAX_INPUTLINE];
+	static double recursive = -1;
 
 	va_start(argptr,fmt);
 	dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 	va_end(argptr);
 
-	Con_Print(msg);
+	Con_Printf(msg);
+
 	// TODO: either add a cvar/cmd to control the state dumping or replace some of the calls with Con_Printf [9/13/2006 Black]
-	//PRVM_PrintState();
+	if(prvm_backtraceforwarnings.integer && recursive != realtime) // NOTE: this compares to the time, just in case if PRVM_PrintState causes a Host_Error and keeps recursive set
+	{
+		recursive = realtime;
+		PRVM_PrintState();
+		recursive = -1;
+	}
 }
 
 
@@ -320,50 +329,14 @@ void VM_vectoyaw (void)
 =================
 VM_vectoangles
 
-vector vectoangles(vector)
+vector vectoangles(vector[, vector])
 =================
 */
 void VM_vectoangles (void)
 {
-	float	*value1;
-	float	forward;
-	float	yaw, pitch;
-
-	VM_SAFEPARMCOUNT(1,VM_vectoangles);
-
-	value1 = PRVM_G_VECTOR(OFS_PARM0);
-
-	if (value1[1] == 0 && value1[0] == 0)
-	{
-		yaw = 0;
-		if (value1[2] > 0)
-			pitch = 90;
-		else
-			pitch = 270;
-	}
-	else
-	{
-		// LordHavoc: optimized a bit
-		if (value1[0])
-		{
-			yaw = (atan2(value1[1], value1[0]) * 180 / M_PI);
-			if (yaw < 0)
-				yaw += 360;
-		}
-		else if (value1[1] > 0)
-			yaw = 90;
-		else
-			yaw = 270;
+	VM_SAFEPARMCOUNTRANGE(1, 2,VM_vectoangles);
 
-		forward = sqrt(value1[0]*value1[0] + value1[1]*value1[1]);
-		pitch = (atan2(value1[2], forward) * 180 / M_PI);
-		if (pitch < 0)
-			pitch += 360;
-	}
-
-	PRVM_G_FLOAT(OFS_RETURN+0) = pitch;
-	PRVM_G_FLOAT(OFS_RETURN+1) = yaw;
-	PRVM_G_FLOAT(OFS_RETURN+2) = 0;
+	AnglesFromVectors(PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_PARM0), prog->argc >= 2 ? PRVM_G_VECTOR(OFS_PARM1) : NULL, true);
 }
 
 /*
@@ -455,6 +428,49 @@ void VM_cvar (void)
 	PRVM_G_FLOAT(OFS_RETURN) = Cvar_VariableValue(string);
 }
 
+/*
+=================
+VM_cvar
+
+float cvar_type (string)
+float CVAR_TYPEFLAG_EXISTS = 1;
+float CVAR_TYPEFLAG_SAVED = 2;
+float CVAR_TYPEFLAG_PRIVATE = 4;
+float CVAR_TYPEFLAG_ENGINE = 8;
+float CVAR_TYPEFLAG_HASDESCRIPTION = 16;
+=================
+*/
+void VM_cvar_type (void)
+{
+	char string[VM_STRINGTEMP_LENGTH];
+	cvar_t *cvar;
+	int ret;
+
+	VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
+	VM_VarString(0, string, sizeof(string));
+	VM_CheckEmptyString(string);
+	cvar = Cvar_FindVar(string);
+
+
+	if(!cvar)
+	{
+		PRVM_G_FLOAT(OFS_RETURN) = 0;
+		return; // CVAR_TYPE_NONE
+	}
+
+	ret = 1; // CVAR_EXISTS
+	if(cvar->flags & CVAR_SAVE)
+		ret |= 2; // CVAR_TYPE_SAVED
+	if(cvar->flags & CVAR_PRIVATE)
+		ret |= 4; // CVAR_TYPE_PRIVATE
+	if(!(cvar->flags & CVAR_ALLOCATED))
+		ret |= 8; // CVAR_TYPE_ENGINE
+	if(strcmp(cvar->description, "custom cvar")) // has to match Cvar_Get's placeholder string
+		ret |= 16; // CVAR_TYPE_HASDESCRIPTION
+	
+	PRVM_G_FLOAT(OFS_RETURN) = ret;
+}
+
 /*
 =================
 VM_cvar_string
@@ -1623,6 +1639,9 @@ void VM_fgets(void)
 
 	VM_SAFEPARMCOUNT(1,VM_fgets);
 
+	// set the return value regardless of any possible errors
+	PRVM_G_INT(OFS_RETURN) = OFS_NULL;
+
 	filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
 	if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
 	{
@@ -1655,8 +1674,6 @@ void VM_fgets(void)
 		Con_Printf("fgets: %s: %s\n", PRVM_NAME, string);
 	if (c >= 0 || end)
 		PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
-	else
-		PRVM_G_INT(OFS_RETURN) = OFS_NULL;
 }
 
 /*
@@ -2224,7 +2241,22 @@ void VM_clientstate(void)
 {
 	VM_SAFEPARMCOUNT(0,VM_clientstate);
 
-	PRVM_G_FLOAT(OFS_RETURN) = cls.state;
+
+	switch( cls.state ) {
+		case ca_uninitialized:
+		case ca_dedicated:
+			PRVM_G_FLOAT(OFS_RETURN) = 0;
+			break;
+		case ca_disconnected:
+			PRVM_G_FLOAT(OFS_RETURN) = 1;
+			break;
+		case ca_connected:
+			PRVM_G_FLOAT(OFS_RETURN) = 2;
+			break;
+		default:
+			// should never be reached!
+			break;
+	}
 }
 
 /*
@@ -2581,7 +2613,7 @@ void VM_precache_pic(void)
 	VM_CheckEmptyString (s);
 
 	// AK Draw_CachePic is supposed to always return a valid pointer
-	if( Draw_CachePic(s, false)->tex == r_texture_notexture )
+	if( Draw_CachePic_Flags(s, CACHEPICFLAG_NOTPERSISTENT)->tex == r_texture_notexture )
 		PRVM_G_INT(OFS_RETURN) = OFS_NULL;
 }
 
@@ -2762,7 +2794,7 @@ void VM_stringwidth(void)
 	string = PRVM_G_STRING(OFS_PARM0);
 	colors = (int)PRVM_G_FLOAT(OFS_PARM1);
 
-	PRVM_G_FLOAT(OFS_RETURN) = DrawQ_String_Font(0, 0, string, 0, 1, 1, 0, 0, 0, 0, 0, NULL, !colors, getdrawfont()); // 1x1 characters, don't actually draw
+	PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_Font(string, 0, !colors, getdrawfont()); // 1x1 characters, don't actually draw
 }
 /*
 =========
@@ -2805,7 +2837,7 @@ void VM_drawpic(void)
 	if(pos[2] || size[2])
 		Con_Printf("VM_drawpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
 
-	DrawQ_Pic(pos[0], pos[1], Draw_CachePic(picname, true), size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
+	DrawQ_Pic(pos[0], pos[1], Draw_CachePic (picname), size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
 	PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
 /*
@@ -2853,7 +2885,7 @@ void VM_drawsubpic(void)
 	if(pos[2] || size[2])
 		Con_Printf("VM_drawsubpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
 
-	DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic(picname, true),
+	DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic (picname),
 		size[0], size[1],
 		srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
 		srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
@@ -2948,7 +2980,7 @@ void VM_getimagesize(void)
 	p = PRVM_G_STRING(OFS_PARM0);
 	VM_CheckEmptyString (p);
 
-	pic = Draw_CachePic (p, false);
+	pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
 
 	PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
 	PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
@@ -3100,10 +3132,30 @@ void VM_cin_restart( void )
 		CL_RestartVideo( video );
 }
 
-#ifdef SUPPORT_GECKO
-static const char *vm_gecko_getfullname( const char *name ) {
-	// FIXME: assert that PRVM_NAME is not empty.. [12/3/2007 Black]
-	return va( "%s/%s", PRVM_NAME, name );
+/*
+========================
+VM_Gecko_Init
+========================
+*/
+void VM_Gecko_Init( void ) {
+	// the prog struct is memset to 0 by Initprog? [12/6/2007 Black]
+	// FIXME: remove the other _Init functions then, too? [12/6/2007 Black]
+}
+
+/*
+========================
+VM_Gecko_Destroy
+========================
+*/
+void VM_Gecko_Destroy( void ) {
+	int i;
+	for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
+		clgecko_t **instance = &prog->opengeckoinstances[ i ];
+		if( *instance ) {
+			CL_Gecko_DestroyBrowser( *instance );
+		}
+		*instance = NULL;
+	}
 }
 
 /*
@@ -3115,13 +3167,28 @@ float[bool] gecko_create( string name )
 */
 void VM_gecko_create( void ) {
 	const char *name;
-	
+	int i;
+	clgecko_t *instance;
+   	
 	VM_SAFEPARMCOUNT( 1, VM_gecko_create );
 
 	name = PRVM_G_STRING( OFS_PARM0 );
 	VM_CheckEmptyString( name );
 
-	if( !CL_Gecko_CreateBrowser( vm_gecko_getfullname( name ) ) ) {
+	// find an empty slot for this gecko browser..
+	for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
+		if( prog->opengeckoinstances[ i ] == NULL ) {
+			break;
+		}
+	}
+	if( i == PRVM_MAX_GECKOINSTANCES ) {
+			VM_Warning("VM_gecko_create: %s ran out of gecko handles (%i)\n", PRVM_NAME, PRVM_MAX_GECKOINSTANCES);
+			PRVM_G_FLOAT( OFS_RETURN ) = 0;
+			return;
+	}
+
+	instance = prog->opengeckoinstances[ i ] = CL_Gecko_CreateBrowser( name, PRVM_GetProgNr() );
+   if( !instance ) {
 		// TODO: error handling [12/3/2007 Black]
 		PRVM_G_FLOAT( OFS_RETURN ) = 0;
 		return;
@@ -3144,7 +3211,7 @@ void VM_gecko_destroy( void ) {
 
 	name = PRVM_G_STRING( OFS_PARM0 );
 	VM_CheckEmptyString( name );
-	instance = CL_Gecko_FindBrowser( vm_gecko_getfullname( name ) );
+	instance = CL_Gecko_FindBrowser( name );
 	if( !instance ) {
 		return;
 	}
@@ -3170,7 +3237,7 @@ void VM_gecko_navigate( void ) {
 	VM_CheckEmptyString( name );
 	VM_CheckEmptyString( URI );
 
-   instance = CL_Gecko_FindBrowser( vm_gecko_getfullname( name ) );
+   instance = CL_Gecko_FindBrowser( name );
 	if( !instance ) {
 		return;
 	}
@@ -3195,7 +3262,7 @@ void VM_gecko_keyevent( void ) {
 	name = PRVM_G_STRING( OFS_PARM0 );
 	VM_CheckEmptyString( name );
 	key = (unsigned int) PRVM_G_FLOAT( OFS_PARM1 );
-	switch( (unsigned int) PRVM_G_FLOAT( OFS_PARM3 ) ) {
+	switch( (unsigned int) PRVM_G_FLOAT( OFS_PARM2 ) ) {
 	case 0:
 		eventtype = CLG_BET_DOWN;
 		break;
@@ -3214,7 +3281,7 @@ void VM_gecko_keyevent( void ) {
 		return;
 	}
 
-	instance = CL_Gecko_FindBrowser( vm_gecko_getfullname( name ) );
+	instance = CL_Gecko_FindBrowser( name );
 	if( !instance ) {
 		PRVM_G_FLOAT( OFS_RETURN ) = 0;
 		return;
@@ -3242,13 +3309,69 @@ void VM_gecko_movemouse( void ) {
 	x = PRVM_G_FLOAT( OFS_PARM1 );
 	y = PRVM_G_FLOAT( OFS_PARM2 );
 	
-	instance = CL_Gecko_FindBrowser( vm_gecko_getfullname( name ) );
+	instance = CL_Gecko_FindBrowser( name );
 	if( !instance ) {
 		return;
 	}
 	CL_Gecko_Event_CursorMove( instance, x, y );
 }
-#endif
+
+
+/*
+========================
+VM_gecko_resize
+
+void gecko_resize( string name, float w, float h )
+========================
+*/
+void VM_gecko_resize( void ) {
+	const char *name;
+	float w, h;
+	clgecko_t *instance;
+
+	VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
+
+	name = PRVM_G_STRING( OFS_PARM0 );
+	VM_CheckEmptyString( name );
+	w = PRVM_G_FLOAT( OFS_PARM1 );
+	h = PRVM_G_FLOAT( OFS_PARM2 );
+	
+	instance = CL_Gecko_FindBrowser( name );
+	if( !instance ) {
+		return;
+	}
+	CL_Gecko_Resize( instance, w, h );
+}
+
+
+/*
+========================
+VM_gecko_get_texture_extent
+
+vector gecko_get_texture_extent( string name )
+========================
+*/
+void VM_gecko_get_texture_extent( void ) {
+	const char *name;
+	clgecko_t *instance;
+
+	VM_SAFEPARMCOUNT( 1, VM_gecko_movemouse );
+
+	name = PRVM_G_STRING( OFS_PARM0 );
+	VM_CheckEmptyString( name );
+	
+	PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
+	instance = CL_Gecko_FindBrowser( name );
+	if( !instance ) {
+		PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
+		PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
+		return;
+	}
+	CL_Gecko_GetTextureExtent( instance, 
+		PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_RETURN)+1 );
+}
+
+
 
 /*
 ==============
@@ -3539,67 +3662,41 @@ void VM_altstr_ins(void)
 // BufString functions
 ////////////////////////////////////////
 //[515]: string buffers support
-#define MAX_QCSTR_BUFFERS 128
-#define MAX_QCSTR_STRINGS 1024
-
-typedef struct
-{
-	int		num_strings;
-	char	*strings[MAX_QCSTR_STRINGS];
-}qcstrbuffer_t;
 
-// FIXME: move stringbuffers to prog_t to allow multiple progs!
-static qcstrbuffer_t	*qcstringbuffers[MAX_QCSTR_BUFFERS];
-static int				num_qcstringbuffers;
-static int				buf_sortpower;
+static size_t stringbuffers_sortlength;
 
-#define BUFSTR_BUFFER(a) (a>=MAX_QCSTR_BUFFERS) ? NULL : (qcstringbuffers[a])
-#define BUFSTR_ISFREE(a) (a<MAX_QCSTR_BUFFERS&&qcstringbuffers[a]&&qcstringbuffers[a]->num_strings<=0) ? 1 : 0
-
-static int BufStr_FindFreeBuffer (void)
+static void BufStr_Expand(prvm_stringbuffer_t *stringbuffer, int strindex)
 {
-	int	i;
-	if(num_qcstringbuffers == MAX_QCSTR_BUFFERS)
-		return -1;
-	for(i=0;i<MAX_QCSTR_BUFFERS;i++)
-		if(!qcstringbuffers[i])
-		{
-			qcstringbuffers[i] = (qcstrbuffer_t *)Z_Malloc(sizeof(qcstrbuffer_t));
-			memset(qcstringbuffers[i], 0, sizeof(qcstrbuffer_t));
-			return i;
-		}
-	return -1;
+	if (stringbuffer->max_strings <= strindex)
+	{
+		char **oldstrings = stringbuffer->strings;
+		stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
+		while (stringbuffer->max_strings <= strindex)
+			stringbuffer->max_strings *= 2;
+		stringbuffer->strings = Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
+		if (stringbuffer->num_strings > 0)
+			memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
+		if (oldstrings)
+			Mem_Free(oldstrings);
+	}
 }
 
-static void BufStr_ClearBuffer (int index)
+static void BufStr_Shrink(prvm_stringbuffer_t *stringbuffer)
 {
-	qcstrbuffer_t	*b = qcstringbuffers[index];
-	int				i;
+	// reduce num_strings if there are empty string slots at the end
+	while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
+		stringbuffer->num_strings--;
 
-	if(b)
+	// if empty, free the string pointer array
+	if (stringbuffer->num_strings == 0)
 	{
-		if(b->num_strings > 0)
-		{
-			for(i=0;i<b->num_strings;i++)
-				if(b->strings[i])
-					Z_Free(b->strings[i]);
-			num_qcstringbuffers--;
-		}
-		Z_Free(qcstringbuffers[index]);
-		qcstringbuffers[index] = NULL;
+		stringbuffer->max_strings = 0;
+		if (stringbuffer->strings)
+			Mem_Free(stringbuffer->strings);
+		stringbuffer->strings = NULL;
 	}
 }
 
-static int BufStr_FindFreeString (qcstrbuffer_t *b)
-{
-	int				i;
-	for(i=0;i<b->num_strings;i++)
-		if(!b->strings[i] || !b->strings[i][0])
-			return i;
-	if(i == MAX_QCSTR_STRINGS)	return -1;
-	else						return i;
-}
-
 static int BufStr_SortStringsUP (const void *in1, const void *in2)
 {
 	const char *a, *b;
@@ -3607,7 +3704,7 @@ static int BufStr_SortStringsUP (const void *in1, const void *in2)
 	b = *((const char **) in2);
 	if(!a[0])	return 1;
 	if(!b[0])	return -1;
-	return strncmp(a, b, buf_sortpower);
+	return strncmp(a, b, stringbuffers_sortlength);
 }
 
 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
@@ -3617,7 +3714,7 @@ static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
 	b = *((const char **) in2);
 	if(!a[0])	return 1;
 	if(!b[0])	return -1;
-	return strncmp(b, a, buf_sortpower);
+	return strncmp(b, a, stringbuffers_sortlength);
 }
 
 /*
@@ -3629,13 +3726,11 @@ float buf_create(void) = #460;
 */
 void VM_buf_create (void)
 {
+	prvm_stringbuffer_t *stringbuffer;
 	int i;
 	VM_SAFEPARMCOUNT(0, VM_buf_create);
-	i = BufStr_FindFreeBuffer();
-	if(i >= 0)
-		num_qcstringbuffers++;
-	//else
-		//Con_Printf("VM_buf_create: buffers overflow in %s\n", PRVM_NAME);
+	stringbuffer = Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
+	for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
 	PRVM_G_FLOAT(OFS_RETURN) = i;
 }
 
@@ -3648,9 +3743,19 @@ void buf_del(float bufhandle) = #461;
 */
 void VM_buf_del (void)
 {
+	prvm_stringbuffer_t *stringbuffer;
 	VM_SAFEPARMCOUNT(1, VM_buf_del);
-	if(BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0)))
-		BufStr_ClearBuffer((int)PRVM_G_FLOAT(OFS_PARM0));
+	stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+	if (stringbuffer)
+	{
+		int i;
+		for (i = 0;i < stringbuffer->num_strings;i++)
+			if (stringbuffer->strings[i])
+				Mem_Free(stringbuffer->strings[i]);
+		if (stringbuffer->strings)
+			Mem_Free(stringbuffer->strings);
+		Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
+	}
 	else
 	{
 		VM_Warning("VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
@@ -3667,18 +3772,18 @@ float buf_getsize(float bufhandle) = #462;
 */
 void VM_buf_getsize (void)
 {
-	qcstrbuffer_t	*b;
+	prvm_stringbuffer_t *stringbuffer;
 	VM_SAFEPARMCOUNT(1, VM_buf_getsize);
 
-	b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-	if(!b)
+	stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+	if(!stringbuffer)
 	{
 		PRVM_G_FLOAT(OFS_RETURN) = -1;
 		VM_Warning("VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
 		return;
 	}
 	else
-		PRVM_G_FLOAT(OFS_RETURN) = b->num_strings;
+		PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
 }
 
 /*
@@ -3690,12 +3795,12 @@ void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
 */
 void VM_buf_copy (void)
 {
-	qcstrbuffer_t	*b1, *b2;
-	int				i;
+	prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
+	int i;
 	VM_SAFEPARMCOUNT(2, VM_buf_copy);
 
-	b1 = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-	if(!b1)
+	srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+	if(!srcstringbuffer)
 	{
 		VM_Warning("VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
 		return;
@@ -3706,31 +3811,32 @@ void VM_buf_copy (void)
 		VM_Warning("VM_buf_copy: source == destination (%i) in %s\n", i, PRVM_NAME);
 		return;
 	}
-	b2 = BUFSTR_BUFFER(i);
-	if(!b2)
+	dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+	if(!dststringbuffer)
 	{
 		VM_Warning("VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
 		return;
 	}
 
-	BufStr_ClearBuffer(i);
-	qcstringbuffers[i] = (qcstrbuffer_t *)Z_Malloc(sizeof(qcstrbuffer_t));
-	memset(qcstringbuffers[i], 0, sizeof(qcstrbuffer_t));
-	b2->num_strings = b1->num_strings;
+	for (i = 0;i < dststringbuffer->num_strings;i++)
+		if (dststringbuffer->strings[i])
+			Mem_Free(dststringbuffer->strings[i]);
+	if (dststringbuffer->strings)
+		Mem_Free(dststringbuffer->strings);
+	*dststringbuffer = *srcstringbuffer;
+	if (dststringbuffer->max_strings)
+		dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
 
-	for(i=0;i<b1->num_strings;i++)
-		if(b1->strings[i] && b1->strings[i][0])
+	for (i = 0;i < dststringbuffer->num_strings;i++)
+	{
+		if (srcstringbuffer->strings[i])
 		{
 			size_t stringlen;
-			stringlen = strlen(b1->strings[i]) + 1;
-			b2->strings[i] = (char *)Z_Malloc(stringlen);
-			if(!b2->strings[i])
-			{
-				VM_Warning("VM_buf_copy: not enough memory for buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
-				break;
-			}
-			memcpy(b2->strings[i], b1->strings[i], stringlen);
+			stringlen = strlen(srcstringbuffer->strings[i]) + 1;
+			dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
+			memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
 		}
+	}
 }
 
 /*
@@ -3743,45 +3849,30 @@ void buf_sort(float bufhandle, float cmplength, float backward) = #464;
 */
 void VM_buf_sort (void)
 {
-	qcstrbuffer_t	*b;
-	int				i;
+	prvm_stringbuffer_t *stringbuffer;
 	VM_SAFEPARMCOUNT(3, VM_buf_sort);
 
-	b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-	if(!b)
+	stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+	if(!stringbuffer)
 	{
 		VM_Warning("VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
 		return;
 	}
-	if(b->num_strings <= 0)
+	if(stringbuffer->num_strings <= 0)
 	{
 		VM_Warning("VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
 		return;
 	}
-	// TODO: please someone rename this to buf_cmplength [12/3/2007 Black]
-	buf_sortpower = (int)PRVM_G_FLOAT(OFS_PARM1);
-	if(buf_sortpower <= 0)
-		buf_sortpower = 99999999;
+	stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
+	if(stringbuffers_sortlength <= 0)
+		stringbuffers_sortlength = 0x7FFFFFFF;
 
 	if(!PRVM_G_FLOAT(OFS_PARM2))
-		qsort(b->strings, b->num_strings, sizeof(char*), BufStr_SortStringsUP);
+		qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
 	else
-		qsort(b->strings, b->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
+		qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
 
-	for(i=b->num_strings-1;i>=0;i--)	//[515]: delete empty lines
-		if(b->strings)
-		{
-			if(b->strings[i][0])
-				break;
-			else
-			{
-				Z_Free(b->strings[i]);
-				--b->num_strings;
-				b->strings[i] = NULL;
-			}
-		}
-		else
-			--b->num_strings;
+	BufStr_Shrink(stringbuffer);
 }
 
 /*
@@ -3793,33 +3884,35 @@ string buf_implode(float bufhandle, string glue) = #465;
 */
 void VM_buf_implode (void)
 {
-	qcstrbuffer_t	*b;
+	prvm_stringbuffer_t *stringbuffer;
 	char			k[VM_STRINGTEMP_LENGTH];
 	const char		*sep;
 	int				i;
 	size_t			l;
 	VM_SAFEPARMCOUNT(2, VM_buf_implode);
 
-	b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
+	stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
 	PRVM_G_INT(OFS_RETURN) = OFS_NULL;
-	if(!b)
+	if(!stringbuffer)
 	{
 		VM_Warning("VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
 		return;
 	}
-	if(!b->num_strings)
+	if(!stringbuffer->num_strings)
 		return;
 	sep = PRVM_G_STRING(OFS_PARM1);
 	k[0] = 0;
-	for(l=i=0;i<b->num_strings;i++)
-		if(b->strings[i])
+	for(l = i = 0;i < stringbuffer->num_strings;i++)
+	{
+		if(stringbuffer->strings[i])
 		{
-			l += (i > 0 ? strlen(sep) : 0) + strlen(b->strings[i]);
+			l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
 			if (l >= sizeof(k) - 1)
 				break;
 			strlcat(k, sep, sizeof(k));
-			strlcat(k, b->strings[i], sizeof(k));
+			strlcat(k, stringbuffer->strings[i], sizeof(k));
 		}
+	}
 	PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(k);
 }
 
@@ -3832,27 +3925,25 @@ string bufstr_get(float bufhandle, float string_index) = #465;
 */
 void VM_bufstr_get (void)
 {
-	qcstrbuffer_t	*b;
+	prvm_stringbuffer_t *stringbuffer;
 	int				strindex;
 	VM_SAFEPARMCOUNT(2, VM_bufstr_get);
 
 	PRVM_G_INT(OFS_RETURN) = OFS_NULL;
-	b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-	if(!b)
+	stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+	if(!stringbuffer)
 	{
 		VM_Warning("VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
 		return;
 	}
 	strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
-	if(strindex < 0 || strindex > MAX_QCSTR_STRINGS)
+	if (strindex < 0)
 	{
 		VM_Warning("VM_bufstr_get: invalid string index %i used in %s\n", strindex, PRVM_NAME);
 		return;
 	}
-	if(b->num_strings <= strindex)
-		return;
-	if(b->strings[strindex])
-		PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(b->strings[strindex]);
+	if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
+		PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(stringbuffer->strings[strindex]);
 }
 
 /*
@@ -3864,88 +3955,88 @@ void bufstr_set(float bufhandle, float string_index, string str) = #466;
 */
 void VM_bufstr_set (void)
 {
-	int				bufindex, strindex;
-	qcstrbuffer_t	*b;
+	int				strindex;
+	prvm_stringbuffer_t *stringbuffer;
 	const char		*news;
-	size_t			alloclen;
 
 	VM_SAFEPARMCOUNT(3, VM_bufstr_set);
 
-	bufindex = (int)PRVM_G_FLOAT(OFS_PARM0);
-	b = BUFSTR_BUFFER(bufindex);
-	if(!b)
+	stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+	if(!stringbuffer)
 	{
-		VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", bufindex, PRVM_NAME);
+		VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
 		return;
 	}
 	strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
-	if(strindex < 0 || strindex > MAX_QCSTR_STRINGS)
+	if(strindex < 0 || strindex >= 1000000) // huge number of strings
 	{
 		VM_Warning("VM_bufstr_set: invalid string index %i used in %s\n", strindex, PRVM_NAME);
 		return;
 	}
+
+	BufStr_Expand(stringbuffer, strindex);
+	stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
+
+	if(stringbuffer->strings[strindex])
+		Mem_Free(stringbuffer->strings[strindex]);
+	stringbuffer->strings[strindex] = NULL;
+
 	news = PRVM_G_STRING(OFS_PARM2);
-	if(b->strings[strindex])
-		Z_Free(b->strings[strindex]);
-	alloclen = strlen(news) + 1;
-	b->strings[strindex] = (char *)Z_Malloc(alloclen);
-	memcpy(b->strings[strindex], news, alloclen);
+	if (news && news[0])
+	{
+		size_t alloclen = strlen(news) + 1;
+		stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
+		memcpy(stringbuffer->strings[strindex], news, alloclen);
+	}
+
+	BufStr_Shrink(stringbuffer);
 }
 
 /*
 ========================
 VM_bufstr_add
-adds string to buffer in nearest free slot and returns it
+adds string to buffer in first free slot and returns its index
 "order == TRUE" means that string will be added after last "full" slot
 float bufstr_add(float bufhandle, string str, float order) = #467;
 ========================
 */
 void VM_bufstr_add (void)
 {
-	int				bufindex, order, strindex;
-	qcstrbuffer_t	*b;
+	int				order, strindex;
+	prvm_stringbuffer_t *stringbuffer;
 	const char		*string;
 	size_t			alloclen;
 
 	VM_SAFEPARMCOUNT(3, VM_bufstr_add);
 
-	bufindex = (int)PRVM_G_FLOAT(OFS_PARM0);
-	b = BUFSTR_BUFFER(bufindex);
+	stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
 	PRVM_G_FLOAT(OFS_RETURN) = -1;
-	if(!b)
+	if(!stringbuffer)
 	{
-		VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", bufindex, PRVM_NAME);
+		VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
 		return;
 	}
 	string = PRVM_G_STRING(OFS_PARM1);
+	if(!string || !string[0])
+	{
+		VM_Warning("VM_bufstr_add: can not add an empty string to buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
+		return;
+	}
 	order = (int)PRVM_G_FLOAT(OFS_PARM2);
 	if(order)
-		strindex = b->num_strings;
+		strindex = stringbuffer->num_strings;
 	else
-	{
-		strindex = BufStr_FindFreeString(b);
-		if(strindex < 0)
-		{
-			VM_Warning("VM_bufstr_add: buffer %i has no free string slots in %s\n", bufindex, PRVM_NAME);
-			return;
-		}
-	}
+		for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
+			if (stringbuffer->strings[strindex] == NULL)
+				break;
 
-	while(b->num_strings <= strindex)
-	{
-		if(b->num_strings == MAX_QCSTR_STRINGS)
-		{
-			VM_Warning("VM_bufstr_add: buffer %i has no free string slots in %s\n", bufindex, PRVM_NAME);
-			return;
-		}
-		b->strings[b->num_strings] = NULL;
-		b->num_strings++;
-	}
-	if(b->strings[strindex])
-		Z_Free(b->strings[strindex]);
+	BufStr_Expand(stringbuffer, strindex);
+
+	stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
 	alloclen = strlen(string) + 1;
-	b->strings[strindex] = (char *)Z_Malloc(alloclen);
-	memcpy(b->strings[strindex], string, alloclen);
+	stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
+	memcpy(stringbuffer->strings[strindex], string, alloclen);
+
 	PRVM_G_FLOAT(OFS_RETURN) = strindex;
 }
 
@@ -3959,26 +4050,30 @@ void bufstr_free(float bufhandle, float string_index) = #468;
 void VM_bufstr_free (void)
 {
 	int				i;
-	qcstrbuffer_t	*b;
+	prvm_stringbuffer_t	*stringbuffer;
 	VM_SAFEPARMCOUNT(2, VM_bufstr_free);
 
-	b = BUFSTR_BUFFER((int)PRVM_G_FLOAT(OFS_PARM0));
-	if(!b)
+	stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
+	if(!stringbuffer)
 	{
 		VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
 		return;
 	}
 	i = (int)PRVM_G_FLOAT(OFS_PARM1);
-	if(i < 0 || i > MAX_QCSTR_STRINGS)
+	if(i < 0)
 	{
 		VM_Warning("VM_bufstr_free: invalid string index %i used in %s\n", i, PRVM_NAME);
 		return;
 	}
-	if(b->strings[i])
-		Z_Free(b->strings[i]);
-	b->strings[i] = NULL;
-	if(i+1 == b->num_strings)
-		--b->num_strings;
+
+	if (i < stringbuffer->num_strings)
+	{
+		if(stringbuffer->strings[i])
+			Mem_Free(stringbuffer->strings[i]);
+		stringbuffer->strings[i] = NULL;
+	}
+
+	BufStr_Shrink(stringbuffer);
 }
 
 //=============
@@ -4417,6 +4512,17 @@ void VM_strncasecmp (void)
 	}
 }
 
+// #494 float(float caseinsensitive, string s, ...) crc16
+void VM_crc16(void)
+{
+	float insensitive;
+	static char s[VM_STRINGTEMP_LENGTH];
+	VM_SAFEPARMCOUNTRANGE(2, 8, VM_hash);
+	insensitive = PRVM_G_FLOAT(OFS_PARM0);
+	VM_VarString(1, s, sizeof(s));
+	PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
+}
+
 void VM_wasfreed (void)
 {
 	VM_SAFEPARMCOUNT(1, VM_wasfreed);
@@ -4461,6 +4567,7 @@ void VM_Cmd_Init(void)
 	// only init the stuff for the current prog
 	VM_Files_Init();
 	VM_Search_Init();
+	VM_Gecko_Init();
 //	VM_BufStr_Init();
 }
 
@@ -4469,6 +4576,87 @@ void VM_Cmd_Reset(void)
 	CL_PurgeOwner( MENUOWNER );
 	VM_Search_Reset();
 	VM_Files_CloseAll();
+	VM_Gecko_Destroy();
 //	VM_BufStr_ShutDown();
 }
 
+// #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
+// does URI escaping on a string (replace evil stuff by %AB escapes)
+void VM_uri_escape (void)
+{
+	char src[VM_STRINGTEMP_LENGTH];
+	char dest[VM_STRINGTEMP_LENGTH];
+	char *p, *q;
+	static const char *hex = "0123456789abcdef";
+
+	VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
+	VM_VarString(0, src, sizeof(src));
+
+	for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
+	{
+		if((*p >= 'A' && *p <= 'Z')
+			|| (*p >= 'a' && *p <= 'z')
+			|| (*p >= '0' && *p <= '9')
+			|| (*p == '-')  || (*p == '_') || (*p == '.')
+			|| (*p == '!')  || (*p == '~') || (*p == '*')
+			|| (*p == '\'') || (*p == '(') || (*p == ')'))
+			*q++ = *p;
+		else
+		{
+			*q++ = '%';
+			*q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
+			*q++ = hex[ *(unsigned char *)p       & 0xF];
+		}
+	}
+	*q++ = 0;
+
+	PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
+}
+
+// #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
+// does URI unescaping on a string (get back the evil stuff)
+void VM_uri_unescape (void)
+{
+	char src[VM_STRINGTEMP_LENGTH];
+	char dest[VM_STRINGTEMP_LENGTH];
+	char *p, *q;
+	int hi, lo;
+
+	VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
+	VM_VarString(0, src, sizeof(src));
+
+	for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
+	{
+		if(*p == '%')
+		{
+			if(p[1] >= '0' && p[1] <= '9')
+				hi = p[1] - '0';
+			else if(p[1] >= 'a' && p[1] <= 'f')
+				hi = p[1] - 'a' + 10;
+			else if(p[1] >= 'A' && p[1] <= 'F')
+				hi = p[1] - 'A' + 10;
+			else
+				goto nohex;
+			if(p[2] >= '0' && p[2] <= '9')
+				lo = p[2] - '0';
+			else if(p[2] >= 'a' && p[2] <= 'f')
+				lo = p[2] - 'a' + 10;
+			else if(p[2] >= 'A' && p[2] <= 'F')
+				lo = p[2] - 'A' + 10;
+			else
+				goto nohex;
+			if(hi != 0 || lo != 0) // don't unescape NUL bytes
+				*q++ = (char) (hi * 0x10 + lo);
+			p += 3;
+			continue;
+		}
+
+nohex:
+		// otherwise:
+		*q++ = *p++;
+	}
+	*q++ = 0;
+
+	PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
+}
+