Implemented Unicode text rendering... I think?

I'm in a bit of a rush so I can't check yet (also it's deactivated
for now). But I think I'm finished? Will check later.

LICENSES

@@ -1,10 +1,30 @@
-data/*
+data/credits.txt
 mac/*
 
 License: GNU GPLv3 or later <https://gnu.org/licenses/gpl.html>
 
 ------------------------------------------------------------------------
 
+data/DroidSansFallbackFull.ttf
+
+Source: https://packages.debian.org/sid/fonts-droid-fallback
+
+Copyright © 2006, 2007, 2008, 2009, 2010 Google Corp.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+------------------------------------------------------------------------
+
 gfx/alienDevice.png
 gfx/prlogo.png
 gfx/sflogo.png

src/cutscene.c

@@ -36,7 +36,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 typedef struct Message_ {
 
 	int face;
-	char message[255];
+	char message[STRMAX];
 
 } Message;
 

src/defs.h

@@ -57,6 +57,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define PATH_MAX 4096
 #endif
 
+#define STRMAX 2000
+
 #define FULLSCREEN SDL_WINDOW_FULLSCREEN_DESKTOP
 
 #define DEFAULT_SCREEN_WIDTH MAX(SCREEN_WIDTH, 640)

src/engine.c

@@ -134,7 +134,7 @@ void engine_showError(int errorId, const char *name)
 		exit(1);
 	}
 
-	char string[255];
+	char string[STRMAX];
 
 	switch(errorId)
 	{

src/event.h

@@ -27,7 +27,7 @@ typedef struct Event_ {
 
 	int time;
 	int face;
-	char message[255];
+	char message[STRMAX];
 	int entity;
 	int flag;
 

src/gfx.c

@@ -17,12 +17,19 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+// Fonts not ready yet
+#define NOFONT
+
 #include <ctype.h>
 #include <stdio.h>
 #include <string.h>
 
 #include "SDL.h"
 #include "SDL_image.h"
+#ifndef NOFONT
+#include "SDL_ttf.h"
+#include "utf8proc.h"
+#endif
 
 #include "defs.h"
 #include "structs.h"
@@ -43,6 +50,10 @@ SDL_Surface *gfx_shopSprites[SHOP_S_MAX];
 TextObject gfx_textSprites[TS_MAX];
 SDL_Surface *gfx_messageBox;
 
+#ifndef NOFONT
+TTF_Font *gfx_unicodeFont;
+#endif
+
 void gfx_init()
 {
 	screen_bufferHead = malloc(sizeof(*screen_bufferHead));
@@ -72,6 +83,15 @@ void gfx_init()
 	gfx_messageBox = NULL;
 
 	screen = NULL;
+
+#ifndef NOFONT
+	gfx_unicodeFont = TTF_OpenFont("data/DroidSansFallbackFull.ttf", 14);
+	if (gfx_unicodeFont == NULL)
+	{
+		printf("ERROR: TTF_OpenFont: %s\n", TTF_GetError());
+		exit(1);
+	}
+#endif
 }
 
 SDL_Surface *gfx_setTransparent(SDL_Surface *sprite)
@@ -197,6 +217,125 @@ int gfx_renderString(const char *in, int x, int y, int fontColor, int wrap, SDL_
 	return gfx_renderStringBase(in, x, y, fontColor, wrap, dest);
 }
 
+#ifdef NOFONT
+int gfx_renderUnicode(const char *in, int x, int y, int fontColor, int wrap, SDL_Surface *dest)
+{
+	return gfx_renderString(in, x, y, fontColor, wrap, dest);
+}
+#else
+int gfx_renderUnicodeBase(const char *in, int x, int y, int fontColor, int wrap, SDL_Surface *dest)
+{
+	SDL_Surface *textSurf;
+	SDL_Color color;
+	int w, h;
+	utf8proc_int32_t charList[STRMAX];
+	utf8proc_int32_t buf;
+	int nCharList;
+	int breakPoints[STRMAX];
+	int nBreakPoints;
+	char newStr[STRMAX];
+	char testStr[STRMAX];
+	int state;
+	int errorcode;
+	int i, j;
+	int offset;
+
+	color.r = fontColor & 0xff0000;
+	color.g = fontColor & 0x00ff00;
+	color.b = fontColor & 0x0000ff;
+
+	if (gfx_unicodeFont != NULL)
+	{
+		if (TTF_SizeUTF8(gfx_unicodeFont, in, &w, &h) < 0)
+		{
+			engine_error(TTF_GetError());
+		}
+		
+		if (w > dest->w)
+		{
+			nCharList = 0;
+			i = 0;
+			while (i < STRMAX)
+			{
+				i += utf8proc_iterate(&in[i], -1, &buf);
+				if (buf < 0)
+				{
+					printf("WARNING: Unicode string \"%s\" contains invalid characters!", in);
+					break;
+				}
+				else
+				{
+					charList[nCharList] = buf;
+					nCharList++;
+					if (buf == '\0')
+					{
+						break;
+					}
+				}
+			}
+
+			state = 0;
+			nBreakPoints = 0;
+			for (i = 0; i < nCharList - 1; i++)
+			{
+				if (utf8proc_grapheme_break_stateful(charList[i], charList[i + 1], &state))
+				{
+					breakPoints[nBreakPoints] = i;
+					nBreakPoints++;
+				}
+			}
+			
+			newStr = strcpy(in);
+			
+			while (w > dest->w)
+			{
+				for (i = nBreakPoints - 1; i >= 0; i--)
+				{
+					testStr = "";
+					for (j = 0; j < nCharList - 1; j++)
+					{
+						utf8proc_encode_char(charList[j], &testStr[j + offset]);
+						if (j == breakPoints[i])
+						{
+							break;
+						}
+					}
+					if (TTF_SizeUTF8(gfx_unicodeFont, testStr, &w, &h) < 0)
+					{
+						engine_error(TTF_GetError());
+					}
+					if (w <= dest->w)
+					{
+						offset = 0;
+						for (j = 0; j < nCharList - 1; j++)
+						{
+							utf8proc_encode_char(charList[j], &newStr[j + offset]);
+							if (j == breakPoints[i])
+							{
+								offset++;
+								newStr[j + offset] = '\n';
+							}
+						}
+						break;
+					}
+				}
+
+				if (TTF_SizeUTF8(gfx_unicodeFont, newStr, &w, &h) < 0)
+				{
+					engine_error(TTF_GetError());
+				}
+			}
+		}
+		textSurf = TTF_RenderUTF8_Solid(gfx_unicodeFont, in, color);
+	}
+}
+
+int gfx_renderUnicode(const char *in, int x, int y, int fontColor, int wrap, SDL_Surface *dest)
+{
+	gfx_renderString(const char *in, int x, int y, int fontColor, int wrap, SDL_Surface *dest);
+}
+#endif
+
 /*
  * Set the pixel at (x, y) to the given value
  * NOTE: The surface must be locked before calling this!
@@ -491,6 +630,14 @@ void gfx_free()
 		SDL_FreeSurface(gfx_messageBox);
 		gfx_messageBox = NULL;
 	}
+
+#ifndef NOFONT
+	if (gfx_unicodeFont != NULL)
+	{
+		TTF_CloseFont(gfx_unicodeFont);
+		gfx_unicodeFont = NULL;
+	}
+#endif
 }
 
 void gfx_scaleBackground()

src/mission.c

@@ -794,7 +794,7 @@ Missions 11 and 23 to be exact!
 static int mission_revealObjectives()
 {
 	int allDone = 1;
-	char string[255] = "";
+	char string[STRMAX] = "";
 
 	for (int i = 0 ; i < 3 ; i++)
 	{

src/save.c

@@ -47,7 +47,7 @@ int save_initSlots()
 {
 	char fileName[PATH_MAX];
 	int system;
-	char stationedName[255];
+	char stationedName[STRMAX];
 	int imagePos = 0;
 	Game tempGame;
 	struct stat fileInfo;

src/shop.c

@@ -39,7 +39,7 @@ typedef struct ShopItem_ {
 	int x, y;
 	int price;
 	char name[50];
-	char description[255];
+	char description[STRMAX];
 	int image;
 
 } ShopItem;

src/structs.h

@@ -81,7 +81,7 @@ typedef struct TextObject_ {
 	int life;
 	float x, y;
 	int fontColor;
-	char text[255];
+	char text[STRMAX];
 
 } TextObject;
 

src/title.c

@@ -594,7 +594,7 @@ void title_showCredits()
 
 	int yPos = 0;
 	int yPos2 = screen->h;
-	char text[255];
+	char text[STRMAX];
 	int i;
 
 	TextObject *credit;