Start of title screen.

src/game/title.c

@@ -22,17 +22,91 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 static void logic(void);
 static void draw(void);
+static int getRecentSave(void);
+
+static Texture *atlasTexture;
+static Atlas *title;
+static int recentSaveSlot;
+static Widget *newGame;
+static Widget *loadGame;
+static Widget *continueGame;
+static Widget *options;
+static Widget *credits;
+static Widget *quit;
 
 void initTitle(void)
 {
+	startSectionTransition();
+	
+	atlasTexture = getTexture("gfx/atlas/atlas.png");
+	
+	title = getImageFromAtlas("gfx/main/title.png");
+	
+	newGame = getWidget("new", "title");
+	loadGame = getWidget("load", "title");
+	continueGame = getWidget("continue", "title");
+	options = getWidget("options", "title");
+	credits = getWidget("credits", "title");
+	quit = getWidget("exit", "title");
+	
+	recentSaveSlot = getRecentSave();
+	
+	showWidgetGroup("title");
+	
+	if (recentSaveSlot != -1)
+	{
+		setSelectedWidget("continue", "title");
+	}
+	else
+	{
+		loadGame->disabled = 1;
+		continueGame->disabled = 1;
+	}
+	
 	app.delegate.logic = &logic;
 	app.delegate.draw = &draw;
+	
+	endSectionTransition();
 }
 
 static void logic(void)
 {
+	doWidgets();
 }
 
 static void draw(void)
 {
+	blitRect(atlasTexture->texture, SCREEN_WIDTH / 2, 175, &title->rect, 1);
+	
+	drawText(10, SCREEN_HEIGHT - 30, 18, TA_LEFT, colors.white, "Copyright 2014, 2018 Parallel Realities");
+	drawText(SCREEN_WIDTH - 10, SCREEN_HEIGHT - 30, 18, TA_RIGHT, colors.white, "Version %.2f.%d", VERSION, REVISION);
+	
+	drawWidgets();
+}
+
+static int getRecentSave(void)
+{
+	char filename[MAX_FILENAME_LENGTH];
+	int i, slot, curModTime, modTime;
+	
+	slot = -1;
+	modTime = 0;
+	
+	for (i = 0 ; i < MAX_SAVE_SLOTS ; i++)
+	{
+		sprintf(filename, "%s/%d/game.json", app.saveDir, i);
+		
+		if (fileExists(filename))
+		{
+			curModTime = getFileModTime(filename);
+			
+			if (curModTime > modTime)
+			{
+				modTime = curModTime;
+				slot = i;
+			}
+		}
+	}
+	
+	return slot;
 }

src/game/title.h

@@ -20,5 +20,21 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "../common.h"
 
-extern App app;
+extern void blitRect(SDL_Texture *texture, int x, int y, SDL_Rect *srcRect, int center);
+extern void doWidgets(void);
+extern void drawText(int x, int y, int size, int align, SDL_Color c, const char *format, ...);
+extern void drawWidgets(void);
+extern void endSectionTransition(void);
+extern Atlas *getImageFromAtlas(char *filename);
+extern Texture *getTexture(const char *filename);
+extern Widget *getWidget(char *name, char *group);
+extern void playSound(int snd, int ch);
+extern void saveConfig(void);
+extern void showWidgetGroup(char *group);
+extern void startSectionTransition(void);
+extern long getFileModTime(char *filename);
+extern int fileExists(const char *filename);
+extern void setSelectedWidget(char *name, char *group);
 
+extern App app;
+extern Colors colors;

src/main.c

@@ -184,5 +184,12 @@ static void handleCommandLine(int argc, char *argv[])
 		}
 	}
 	
+	if (worldId != NULL)
+	{
 		initWorldTest(worldId);
+	}
+	else
+	{
+		initTitle();
+	}
 }

src/main.h

@@ -38,6 +38,7 @@ extern void prepareScene(void);
 extern void presentScene(void);
 extern void saveScreenshot(char *name);
 extern void saveTrophyScreenshot(void);
+extern void initTitle(void);
 
 App app;
 Camera camera;

src/structs.h

@@ -494,6 +494,7 @@ struct Widget {
 	int minValue;
 	int maxValue;
 	int visible;
+	int disabled;
 	int numOptions;
 	char **options;
 	void (*action)(void);

src/system/io.c

@@ -29,6 +29,15 @@ int fileExists(const char *filename)
 	return (stat(filename, &buffer) == 0);
 }
 
+long getFileModTime(const char *filename)
+{
+	struct stat buffer;
+	
+    stat(filename, &buffer);
+	
+    return buffer.st_mtime;
+}
+
 const char *getFileLocation(const char *filename)
 {
 	static char path[MAX_FILENAME_LENGTH];

src/system/widgets.c

@@ -208,6 +208,7 @@ void drawWidgets(void)
 					x = w->x + w->w + 25;
 					drawRect(x, w->y, 200, w->h, 0, 0, 0, 255);
 					drawOutlineRect(x, w->y, 200, w->h, 0, outline, 0, 255);
+					
 					if (app.awaitingWidgetInput && w == selectedWidget)
 					{
 						drawText(x + 100, w->y + 2, 24, TA_CENTER, colors.white, "...");
@@ -226,6 +227,11 @@ void drawWidgets(void)
 					}
 					break;
 			}
+			
+			if (w->disabled)
+			{
+				drawRect(w->x, w->y, w->w, w->h, 0, 0, 0, 160);
+			}
 		}
 	}
 }
@@ -239,7 +245,10 @@ void drawWidgetFrame(void)
 
 static void selectWidget(int dir)
 {
-	int oldWidgetIndex = widgetIndex;
+	int oldWidgetIndex, valid;
+	
+	oldWidgetIndex = widgetIndex;
+	valid = 0;
 	
 	do
 	{
@@ -257,7 +266,9 @@ static void selectWidget(int dir)
 
 		selectedWidget = &widgets[widgetIndex];
 		
-	} while (!selectedWidget->visible);
+		valid = selectedWidget->visible && !selectedWidget->disabled;
+
+	} while (!valid);
 	
 	if (oldWidgetIndex != widgetIndex)
 	{
@@ -286,6 +297,11 @@ Widget *getWidget(char *name, char *group)
 	return NULL;
 }
 
+void setSelectedWidget(char *name, char *group)
+{
+	selectedWidget = getWidget(name, group);
+}
+
 Widget *selectWidgetAt(int x, int y)
 {
 	Widget *w;
@@ -396,7 +412,7 @@ static void loadWidgetGroup(char *filename)
 	
 	for (node = root->child ; node != NULL ; node = node->next)
 	{
-		if (++numWidgets >= MAX_WIDGETS)
+		if (numWidgets >= MAX_WIDGETS)
 		{
 			SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_ERROR, "Out of widget space.");
 			exit(1);
@@ -435,6 +451,8 @@ static void loadWidgetGroup(char *filename)
 			default:
 				break;
 		}
+		
+		numWidgets++;
 	}
 	
 	cJSON_Delete(root);