Allow selection of screen resolution.

src/game/options.c

@@ -25,6 +25,8 @@ static void logic(void);
 static void draw(void);
 static void soundVolume(void);
 static void musicVolume(void);
+static void fullscreen(void);
+static void windowSize(void);
 static void bloodGore(void);
 static void trophyScreenshot(void);
 static void trophyAlert(void);
@@ -32,11 +34,14 @@ static void inventory(void);
 static void controls(void);
 static void back(void);
 static void setGeneralOptions(void);
+static void setWindowSizeOption(void);
 static void setControlOptions(void);
 static int section;
 
 static Widget *soundVolumeWidget;
 static Widget *musicVolumeWidget;
+static Widget *windowSizeWidget;
+static Widget *fullscreenWidget;
 static Widget *bloodGoreWidget;
 static Widget *trophyScreenshotWidget;
 static Widget *trophyAlertWidget;
@@ -79,6 +84,14 @@ static void setGeneralOptions(void)
 	musicVolumeWidget->action = musicVolume;
 	musicVolumeWidget->value[0] = app.config.musicVolume;
 
+	fullscreenWidget = getWidget("fullscreen", "options");
+	fullscreenWidget->action = fullscreen;
+	fullscreenWidget->value[0] = app.config.fullscreen;
+
+	windowSizeWidget = getWidget("windowSize", "options");
+	windowSizeWidget->action = windowSize;
+	setWindowSizeOption();
+	
 	bloodGoreWidget = getWidget("bloodGore", "options");
 	bloodGoreWidget->action = bloodGore;
 	bloodGoreWidget->value[0] = app.config.blood;
@@ -102,6 +115,23 @@ static void setGeneralOptions(void)
 	getWidget("back", "controls")->action = back;
 }
 
+static void setWindowSizeOption(void)
+{
+	int i;
+	char winSize[16];
+
+	sprintf(winSize, "%d x %d", app.config.winWidth, app.config.winHeight);
+
+	for (i = 0 ; i < windowSizeWidget->numOptions ; i++)
+	{
+		if (strcmp(windowSizeWidget->options[i], winSize) == 0)
+		{
+			windowSizeWidget->value[0] = i;
+			return;
+		}
+	}
+}
+
 static void setControlOptions(void)
 {
 	getWidget("left", "controls")->value[0] = app.config.keyControls[CONTROL_LEFT];
@@ -157,6 +187,20 @@ static void musicVolume(void)
 	Mix_VolumeMusic(app.config.musicVolume);
 }
 
+static void fullscreen(void)
+{
+	app.config.fullscreen = fullscreenWidget->value[0];
+}
+
+static void windowSize(void)
+{
+	int i;
+
+	i = windowSizeWidget->value[0];
+
+	sscanf(windowSizeWidget->options[i], "%d x %d", &app.config.winWidth, &app.config.winHeight);
+}
+
 static void bloodGore(void)
 {
 	app.config.blood = bloodGoreWidget->value[0];

src/hub/hub.c

@@ -129,7 +129,7 @@ void initHub(void)
 	
 	cursor.x = SCREEN_WIDTH / 2;
 	cursor.y = SCREEN_HEIGHT / 2;
-	SDL_WarpMouseInWindow(app.window, cursor.x, cursor.y);
+	SDL_WarpMouseInWindow(app.window, cursor.x * app.scaleX, cursor.y * app.scaleY);
 	
 	for (t = game.missionStatusHead.next ; t != NULL ; t = t->next)
 	{
@@ -269,32 +269,32 @@ static void doCursor(void)
 {
 	if (app.mouse.dx != 0 || app.mouse.dy != 0)
 	{
-		cursor.x = app.mouse.x;
-		cursor.y = app.mouse.y;
+		cursor.x = app.mouse.x * app.scaleX;
+		cursor.y = app.mouse.y * app.scaleY;
 	}
 
 	if (isControl(CONTROL_UP) || app.keyboard[SDL_SCANCODE_UP])
 	{
 		cursor.y -= CURSOR_SPEED;
-		SDL_WarpMouseInWindow(app.window, cursor.x, cursor.y);
+		SDL_WarpMouseInWindow(app.window, cursor.x / app.scaleX, cursor.y / app.scaleY);
 	}
 
 	if (isControl(CONTROL_DOWN) || app.keyboard[SDL_SCANCODE_DOWN])
 	{
 		cursor.y += CURSOR_SPEED;
-		SDL_WarpMouseInWindow(app.window, cursor.x, cursor.y);
+		SDL_WarpMouseInWindow(app.window, cursor.x / app.scaleX, cursor.y / app.scaleY);
 	}
 
 	if (isControl(CONTROL_LEFT) || app.keyboard[SDL_SCANCODE_LEFT])
 	{
 		cursor.x -= CURSOR_SPEED;
-		SDL_WarpMouseInWindow(app.window, cursor.x, cursor.y);
+		SDL_WarpMouseInWindow(app.window, cursor.x / app.scaleX, cursor.y / app.scaleY);
 	}
 
 	if (isControl(CONTROL_RIGHT) || app.keyboard[SDL_SCANCODE_RIGHT])
 	{
 		cursor.x += CURSOR_SPEED;
-		SDL_WarpMouseInWindow(app.window, cursor.x, cursor.y);
+		SDL_WarpMouseInWindow(app.window, cursor.x / app.scaleX, cursor.y / app.scaleY);
 	}
 }
 

src/structs.h

@@ -326,6 +326,8 @@ typedef struct {
 } Mouse;
 
 typedef struct {
+	int winWidth;
+	int winHeight;
 	int fullscreen;
 	int soundVolume;
 	int musicVolume;
@@ -339,8 +341,6 @@ typedef struct {
 
 typedef struct {
 	char saveDir[MAX_FILENAME_LENGTH];
-	int winWidth;
-	int winHeight;
 	float scaleX;
 	float scaleY;
 	Mouse mouse;

src/system/draw.c

@@ -54,6 +54,11 @@ void initGraphics(void)
 	initColor(&colors.darkGrey, 128, 128, 128);
 	
 	app.backBuffer = SDL_CreateTexture(app.renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, SCREEN_WIDTH, SCREEN_HEIGHT);
+
+	app.scaleX = SCREEN_WIDTH;
+	app.scaleX /= app.config.winWidth;
+	app.scaleY = SCREEN_HEIGHT;
+	app.scaleY /= app.config.winHeight;
 }
 
 void prepareScene(void)

src/system/init.c

@@ -59,9 +59,6 @@ void initSDL(void)
 
 	loadConfig();
 
-	app.winWidth = SCREEN_WIDTH;
-	app.winHeight = SCREEN_HEIGHT;
-
 	rendererFlags = SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC;
 	
 	windowFlags = 0;
@@ -88,7 +85,7 @@ void initSDL(void)
 	Mix_Volume(-1, app.config.soundVolume);
 	Mix_VolumeMusic(app.config.musicVolume);
 
-	app.window = SDL_CreateWindow("Blob Wars : Attrition", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, app.winWidth, app.winHeight, windowFlags);
+	app.window = SDL_CreateWindow("Blob Wars : Attrition", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, app.config.winWidth, app.config.winHeight, windowFlags);
 
 	SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
 
@@ -192,6 +189,9 @@ static void initDefaultConfig(void)
 {
 	int i;
 
+	app.config.winWidth = SCREEN_WIDTH;
+	app.config.winHeight = SCREEN_HEIGHT;
+	
 	app.config.inventory = 1;
 	app.config.blood = 1;
 	app.config.trophyAlert = 1;
@@ -238,6 +238,9 @@ static void loadConfig(void)
 		root = cJSON_Parse(text);
 
 		app.config.fullscreen = cJSON_GetObjectItem(root, "fullscreen")->valueint;
+		app.config.winWidth = cJSON_GetObjectItem(root, "winWidth")->valueint;
+		app.config.winHeight = cJSON_GetObjectItem(root, "winHeight")->valueint;
+
 		app.config.musicVolume = cJSON_GetObjectItem(root, "musicVolume")->valueint;
 		app.config.soundVolume = cJSON_GetObjectItem(root, "soundVolume")->valueint;
 		
@@ -288,6 +291,9 @@ void saveConfig(void)
 	root = cJSON_CreateObject();
 	
 	cJSON_AddNumberToObject(root, "fullscreen", app.config.fullscreen);
+	cJSON_AddNumberToObject(root, "winWidth", app.config.winWidth);
+	cJSON_AddNumberToObject(root, "winHeight", app.config.winHeight);
+	
 	cJSON_AddNumberToObject(root, "musicVolume", app.config.musicVolume);
 	cJSON_AddNumberToObject(root, "soundVolume", app.config.soundVolume);