Merge branch 'master' of git.savannah.nongnu.org:/srv/git/starfighter

src/alien.cpp

@@ -1073,7 +1073,12 @@ int alien_add()
 	int *alienArray;
 	int numberOfAliens = 1;
 
-	alienArray = new int[8];
+	alienArray = (int*)malloc(8 * sizeof(int));
+	if (alienArray == NULL)
+	{
+		engine_warn("WARNING: Failed to allocate memory for aliens");
+		return 0;
+	}
 
 	switch(game.area)
 	{
@@ -1192,7 +1197,7 @@ int alien_add()
 			randEnemy = CD_TRANSPORTSHIP;
 	}
 
-	delete[] alienArray;
+	free(alienArray);
 
 	aliens[index] = alien_defs[randEnemy];
 	aliens[index].active = 1;

src/bullet.cpp

@@ -34,7 +34,9 @@ void bullet_add(Object *theWeapon, Object *attacker, int y, int dy)
 	int imageIndex;
 	int tempX, tempY, steps;
 
-	bullet = new Object;
+	bullet = (Object*)malloc(sizeof(Object));
+	if (bullet == NULL)
+		return;
 
 	if (attacker == &player)
 		game.shots++;

src/collectable.cpp

@@ -143,7 +143,12 @@ void collectable_add(float x, float y, int type, int value, int life)
 		}
 	}
 
-	Collectable *collectable = new Collectable;
+	Collectable *collectable = (Collectable*)malloc(sizeof(Collectable));
+	if (collectable == NULL)
+	{
+		engine_warn("Failed to allocate memory for collectable");
+		return;
+	}
 
 	collectable->next = NULL;
 	collectable->active = 1;

src/engine.cpp

@@ -60,19 +60,35 @@ void engine_init()
 	engine.smx = 0;
 	engine.smy = 0;
 
-	engine.bulletHead = new Object;
+	engine.bulletHead = (Object*)malloc(sizeof(Object));
+	if (engine.bulletHead == NULL)
+	{
+		engine_error("Failed to allocate memory for bullet head.");
+	}
 	engine.bulletHead->next = NULL;
 	engine.bulletTail = engine.bulletHead;
 
-	engine.explosionHead = new Object;
+	engine.explosionHead = (Object*)malloc(sizeof(Object));
+	if (engine.explosionHead == NULL)
+	{
+		engine_error("Failed to allocate memory for explosion head.");
+	}
 	engine.explosionHead->next = NULL;
 	engine.explosionTail = engine.explosionHead;
 
-	engine.collectableHead = new Collectable;
+	engine.collectableHead = (Collectable*)malloc(sizeof(Collectable));
+	if (engine.collectableHead == NULL)
+	{
+		engine_error("Failed to allocate memory for collectable head.");
+	}
 	engine.collectableHead->next = NULL;
 	engine.collectableTail = engine.collectableHead;
 
-	engine.debrisHead = new Object;
+	engine.debrisHead = (Object*)malloc(sizeof(Object));
+	if (engine.debrisHead == NULL)
+	{
+		engine_error("Failed to allocate memory for debris head.");
+	}
 	engine.debrisHead->next = NULL;
 	engine.debrisTail = engine.debrisHead;
 
@@ -154,6 +170,24 @@ void engine_showError(int errorId, const char *name)
 	exit(1);
 }
 
+/*
+Show a warning. Used when non-fatal things go wrong.
+*/
+void engine_warn(const char *msg)
+{
+	printf("WARNING: %s", msg);
+}
+
+/*
+Show an error and exit. Used for critical errors that should definitely
+never happen.
+*/
+void engine_error(const char *msg)
+{
+	printf("ERROR: %s\nAborting", msg);
+	exit(1);
+}
+
 /*
 This gets the user's home directory, then creates the config directory.
 */
@@ -300,7 +334,7 @@ void engine_resetLists()
 	{
 		ob2 = ob;
 		ob = ob->next;
-		delete ob2;
+		free(ob2);
 	}
 	engine.bulletHead->next = NULL;
 	engine.bulletTail = engine.bulletHead;
@@ -310,7 +344,7 @@ void engine_resetLists()
 	{
 		ob2 = ob;
 		ob = ob->next;
-		delete ob2;
+		free(ob2);
 	}
 	engine.explosionHead->next = NULL;
 	engine.explosionTail = engine.explosionHead;
@@ -320,7 +354,7 @@ void engine_resetLists()
 	{
 		c2 = c1;
 		c1 = c1->next;
-		delete c2;
+		free(c2);
 	}
 
 	engine.collectableHead->next = NULL;
@@ -331,7 +365,7 @@ void engine_resetLists()
 	{
 		r2 = r1;
 		r1 = r1->next;
-		delete r2;
+		free(r2);
 	}
 	
 	screen_bufferHead->next = NULL;
@@ -342,7 +376,7 @@ void engine_resetLists()
 	{
 		ob2 = ob;
 		ob = ob->next;
-		delete ob2;
+		free(ob2);
 	}
 	engine.debrisHead->next = NULL;
 	engine.debrisTail = engine.debrisHead;
@@ -359,10 +393,10 @@ void engine_cleanup()
 	SDL_FreeSurface(gfx_background);
 	audio_free();
 	engine_resetLists();
-	delete(engine.bulletHead);
-	delete(engine.explosionHead);
-	delete(engine.collectableHead);
-	delete(screen_bufferHead);
+	free(engine.bulletHead);
+	free(engine.explosionHead);
+	free(engine.collectableHead);
+	free(screen_bufferHead);
 
 	for (int i = 0 ; i < FONT_MAX ; i++)
 	{

src/engine.h

@@ -108,6 +108,8 @@ extern Engine engine;
 
 void engine_init();
 void engine_showError(int errorId, const char *name);
+void engine_warn(const char *msg);
+void engine_error(const char *msg);
 void engine_setupConfigDirectory();
 void engine_setMode();
 void engine_resetLists();

src/explosion.cpp

@@ -33,7 +33,12 @@ to change frames on a 21, 14, 7 basis.
 */
 void explosion_add(float x, float y, int type)
 {
-	Object *explosion = new Object;
+	Object *explosion = (Object*)malloc(sizeof(Object));
+	if (explosion == NULL)
+	{
+		engine_warn("Failed to allocate memory for explosion.");
+		return;
+	}
 
 	explosion->next = NULL;
 	explosion->active = 1;

src/game.cpp

@@ -233,7 +233,7 @@ static void game_addDebris(int x, int y, int amount)
 
 	for (int i = 0 ; i < amount ; i++)
 	{
-		debris = new Object;
+		debris = (Object*)malloc(sizeof(Object));
 
 		debris->next = NULL;
 		debris->x = x;
@@ -589,7 +589,7 @@ static void game_doCollectables()
 					(collectable->y <= screen->h))
 				collectable_explode(collectable);
 			prevCollectable->next = collectable->next;
-			delete collectable;
+			free(collectable);
 			collectable = prevCollectable;
 		}
 	}
@@ -897,7 +897,7 @@ static void game_doBullets()
 			{
 				collectable_explode(collectable);
 				prevCollectable->next = collectable->next;
-				delete collectable;
+				free(collectable);
 				collectable = prevCollectable;
 			}
 		}
@@ -926,7 +926,7 @@ static void game_doBullets()
 		else
 		{
 			prevBullet->next = bullet->next;
-			delete bullet;
+			free(bullet);
 			bullet = prevBullet;
 		}
 	}
@@ -1638,7 +1638,7 @@ static void game_doDebris()
 		if (debris->thinktime < 1)
 		{
 			prevDebris->next = debris->next;
-			delete debris;
+			free(debris);
 			debris = prevDebris;
 		}
 		else
@@ -1697,7 +1697,7 @@ void game_doExplosions()
 		else
 		{
 			prevExplosion->next = explosion->next;
-			delete explosion;
+			free(explosion);
 			explosion = prevExplosion;
 		}
 	}

src/gfx.cpp

@@ -44,7 +44,11 @@ SDL_Surface *gfx_messageBox;
 
 void gfx_init()
 {
-	screen_bufferHead = new LinkedRect;
+	screen_bufferHead = (LinkedRect*)malloc(sizeof(LinkedRect));
+	if (screen_bufferHead == NULL)
+	{
+		engine_error("Failed to allocate memory for buffer head.");
+	}
 	screen_bufferHead->next = NULL;
 	screen_bufferTail = screen_bufferHead;
 

src/screen.cpp

@@ -56,7 +56,7 @@ void screen_drawBackground()
 
 void screen_addBuffer(int x, int y, int w, int h)
 {
-	LinkedRect *rect = new LinkedRect;
+	LinkedRect *rect = (LinkedRect*)malloc(sizeof(LinkedRect));
 
 	rect->next = NULL;
 	rect->x = x;
@@ -79,7 +79,7 @@ void screen_flushBuffer()
 		rect = rect->next;
 
 		prevRect->next = rect->next;
-		delete rect;
+		free(rect);
 		rect = prevRect;
 	}
 
@@ -110,7 +110,7 @@ void screen_unBuffer()
 		}
 
 		prevRect->next = rect->next;
-		delete rect;
+		free(rect);
 		rect = prevRect;
 	}