Add --ttf-dir to specify location of path to ttf (#1253)

Source/diablo.cpp

@@ -101,6 +101,8 @@ static void print_help_and_exit()
 	printInConsole("    %-20s %-30s\n", "--data-dir", "Specify the folder of diabdat.mpq");
 	printInConsole("    %-20s %-30s\n", "--save-dir", "Specify the folder of save files");
 	printInConsole("    %-20s %-30s\n", "--config-dir", "Specify the location of diablo.ini");
+	printInConsole("    %-20s %-30s\n", "--ttf-dir", "Specify the location of the .ttf font");
+	printInConsole("    %-20s %-30s\n", "--ttf-name", "Specify the name of a custom .ttf font");
 	printInConsole("    %-20s %-30s\n", "-n", "Skip startup videos");
 	printInConsole("    %-20s %-30s\n", "-f", "Display frames per second");
 	printInConsole("    %-20s %-30s\n", "-x", "Run in windowed mode");
@@ -141,6 +143,10 @@ static void diablo_parse_flags(int argc, char **argv)
 			SetPrefPath(argv[++i]);
 		} else if (strcasecmp("--config-dir", argv[i]) == 0) {
 			SetConfigPath(argv[++i]);
+		} else if (strcasecmp("--ttf-dir", argv[i]) == 0) {
+			SetTtfPath(argv[++i]);
+		} else if (strcasecmp("--ttf-name", argv[i]) == 0) {
+			SetTtfName(argv[++i]);
 		} else if (strcasecmp("-n", argv[i]) == 0) {
 			gbShowIntro = false;
 		} else if (strcasecmp("-f", argv[i]) == 0) {

SourceS/paths.cpp

@@ -6,6 +6,14 @@
 #include "sdl2_to_1_2_backports.h"
 #endif
 
+#ifndef TTF_FONT_DIR
+#define TTF_FONT_DIR ""
+#endif
+
+#ifndef TTF_FONT_NAME
+#define TTF_FONT_NAME "CharisSILB.ttf"
+#endif
+
 namespace dvl {
 
 namespace {
@@ -13,6 +21,8 @@ namespace {
 std::string *basePath = NULL;
 std::string *prefPath = NULL;
 std::string *configPath = NULL;
+std::string *ttfPath = NULL;
+std::string *ttfName = NULL;
 
 void AddTrailingSlash(std::string *path) {
 #ifdef _WIN32
@@ -60,6 +70,20 @@ const std::string &GetConfigPath()
 	return *configPath;
 }
 
+const std::string &GetTtfPath()
+{
+	if (ttfPath == NULL)
+		ttfPath = new std::string(TTF_FONT_DIR);
+	return *ttfPath;
+}
+
+const std::string &GetTtfName()
+{
+	if (ttfName == NULL)
+		ttfName = new std::string(TTF_FONT_NAME);
+	return *ttfName;
+}
+
 void SetBasePath(const char *path)
 {
 	if (basePath == NULL) basePath = new std::string;
@@ -82,4 +106,19 @@ void SetConfigPath(const char *path)
 	AddTrailingSlash(configPath);
 }
 
+void SetTtfPath(const char *path)
+{
+	if (ttfPath == NULL)
+		ttfPath = new std::string;
+	*ttfPath = path;
+	AddTrailingSlash(ttfPath);
+}
+
+void SetTtfName(const char *path)
+{
+	if (ttfName == NULL)
+		ttfName = new std::string;
+	*ttfName = path;
+}
+
 } // namespace dvl

SourceS/paths.h

@@ -7,9 +7,13 @@ namespace dvl {
 const std::string &GetBasePath();
 const std::string &GetPrefPath();
 const std::string &GetConfigPath();
+const std::string &GetTtfPath();
+const std::string &GetTtfName();
 
 void SetBasePath(const char *path);
 void SetPrefPath(const char *path);
 void SetConfigPath(const char *path);
+void SetTtfPath(const char *path);
+void SetTtfName(const char *path);
 
 } // namespace dvl

SourceX/DiabloUI/fonts.cpp

@@ -1,5 +1,6 @@
 #include "DiabloUI/fonts.h"
 #include "file_util.h"
+#include "../SourceS/paths.h"
 
 namespace dvl {
 
@@ -61,18 +62,14 @@ void LoadTtfFont() {
 		was_fonts_init = true;
 	}
 
-	const char* ttf_font_path = TTF_FONT_NAME;
-	if (!FileExists(ttf_font_path))
-	{
-		ttf_font_path = TTF_FONT_DIR TTF_FONT_NAME;
-	}
+	std::string ttf_font_path = GetTtfPath() + GetTtfName();
 #ifdef __linux__
-	if (!FileExists(ttf_font_path))
+	if (!FileExists(ttf_font_path.c_str()))
 	{
-		ttf_font_path = "/usr/share/fonts/truetype/" TTF_FONT_NAME;
+		ttf_font_path = "/usr/share/fonts/truetype/" + GetTtfName();
 	}
 #endif
-	font = TTF_OpenFont(ttf_font_path, 17);
+	font = TTF_OpenFont(ttf_font_path.c_str(), 17);
 	if (font == NULL) {
 		SDL_Log("TTF_OpenFont: %s", TTF_GetError());
 		return;

SourceX/DiabloUI/fonts.h

@@ -6,14 +6,6 @@
 
 #include "DiabloUI/art.h"
 
-#ifndef TTF_FONT_DIR
-#define TTF_FONT_DIR ""
-#endif
-
-#ifndef TTF_FONT_NAME
-#define TTF_FONT_NAME "CharisSILB.ttf"
-#endif
-
 namespace dvl {
 
 enum _artFontTables {