video: Add support for [arcade_vertical] section (#691)

cfg.cpp

@@ -12,6 +12,7 @@
 #include "file_io.h"
 #include "user_io.h"
 #include "video.h"
+#include "support/arcade/mra_loader.h"
 
 cfg_t cfg;
 
@@ -193,6 +194,7 @@ static int ini_get_section(char* buf, const char *vmode)
 
 	if (!strcasecmp(buf, "MiSTer") ||
 		(is_arcade() && !strcasecmp(buf, "arcade")) ||
+		(arcade_is_vertical() && !strcasecmp(buf, "arcade_vertical")) ||
 		((wc_pos >= 0) ? !strncasecmp(buf, user_io_get_core_name(1), wc_pos) : !strcasecmp(buf, user_io_get_core_name(1))) ||
 		((wc_pos >= 0) ? !strncasecmp(buf, user_io_get_core_name(0), wc_pos) : !strcasecmp(buf, user_io_get_core_name(0))))
 	{

support/arcade/mra_loader.cpp

@@ -49,6 +49,8 @@ static char arcade_error_msg[kBigTextSize] = {};
 static char arcade_root[kBigTextSize];
 static char mame_root[kBigTextSize];
 
+static bool is_vertical = false;
+
 static sw_struct switches[2] = {};
 
 static int  nvram_idx  = 0;
@@ -988,36 +990,49 @@ static int xml_scan_rbf(XMLEvent evt, const XMLNode* node, SXML_CHAR* text, cons
 	return true;
 }
 
-static int xml_read_setname(XMLEvent evt, const XMLNode* node, SXML_CHAR* text, const int n, SAX_Data* sd)
+static int xml_read_pre_parse(XMLEvent evt, const XMLNode* node, SXML_CHAR* text, const int n, SAX_Data* sd)
 {
 	(void)(sd);
-	static int insetname = 0;
+	static bool insetname = false;
+	static bool inrotation = false;
+
+	static bool foundsetname = false;
+	static bool foundrotation = false;
 
 	switch (evt)
 	{
 	case XML_EVENT_START_DOC:
-		insetname = 0;
+		insetname = false;
+		inrotation = false;
+		foundsetname = false;
+		foundrotation = false;
 		break;
 
 	case XML_EVENT_START_NODE:
-
-		/* on the beginning of a rom tag, we need to reset the state*/
 		if (!strcasecmp(node->tag, "setname"))
 		{
-			insetname = 1;
+			insetname = true;
+			foundsetname = true;
+		}
+		else if (!strcasecmp(node->tag, "rotation"))
+		{
+			inrotation = true;
+			foundrotation = true;
 		}
 		break;
 
 	case XML_EVENT_TEXT:
 		if(insetname) user_io_name_override(text);
+		if(inrotation)
+		{
+			is_vertical = strncasecmp(text, "vertical", 8) == 0;
+		}
 		break;
 
 	case XML_EVENT_END_NODE:
-		if (!strcasecmp(node->tag, "setname"))
-		{
-			insetname = 0;
-			return false;
-		}
+		insetname = false;
+		inrotation = false;
+		if (foundrotation && foundsetname) return false;
 		break;
 
 	case XML_EVENT_ERROR:
@@ -1078,15 +1093,20 @@ int arcade_send_rom(const char *xml)
 	return 0;
 }
 
-void arcade_override_name(const char *xml)
+void arcade_pre_parse(const char *xml)
 {
 	SAX_Callbacks sax;
 	SAX_Callbacks_init(&sax);
 
-	sax.all_event = xml_read_setname;
+	sax.all_event = xml_read_pre_parse;
 	XMLDoc_parse_file_SAX(xml, &sax, NULL);
 }
 
+bool arcade_is_vertical()
+{
+	return is_vertical;
+}
+
 void arcade_check_error()
 {
 	if (arcade_error_msg[0] != 0) {

support/arcade/mra_loader.h

@@ -59,7 +59,11 @@ sw_struct *arcade_sw(int n);
 void arcade_sw_send(int n);
 void arcade_sw_save(int n);
 void arcade_sw_load(int n);
-void arcade_override_name(const char *xml);
+
+// Read any mra info necessary for ini processing
+void arcade_pre_parse(const char *xml);
+
+bool arcade_is_vertical();
 
 void arcade_nvm_save();
 

user_io.cpp

@@ -1280,7 +1280,7 @@ void user_io_init(const char *path, const char *xml)
 	if (xml)
 	{
 		if (isXmlName(xml) == 1) is_arcade_type = 1;
-		arcade_override_name(xml);
+		arcade_pre_parse(xml);
 	}
 
 	if (core_type == CORE_TYPE_8BIT)
@@ -1318,7 +1318,7 @@ void user_io_init(const char *path, const char *xml)
 		xml = (const char*)defmra;
 		strcpy(core_path, xml);
 		is_arcade_type = 1;
-		arcade_override_name(xml);
+		arcade_pre_parse(xml);
 		user_io_read_core_name();
 		printf("Using default MRA: %s\n", xml);
 	}