Randomize planet and background in Challenge Home.

src/challenges/challengeHome.c

@@ -60,13 +60,13 @@ void initChallengeHome(void)
 	app.delegate.draw = &draw;
 	memset(&app.keyboard, 0, sizeof(int) * MAX_KEYBOARD_KEYS);
 	
-	background = getTexture("gfx/backgrounds/background06.jpg");
-	planetTexture = getTexture("gfx/planets/bluePlanet.png");
+	background = getTexture(getBackgroundTextureName(rand()));
+	planetTexture = getTexture(getPlanetTextureName(rand()));
 	
 	battle.camera.x =  battle.camera.y = 0;
 	
-	planet.x = SCREEN_WIDTH;
-	planet.y = (rand() % SCREEN_HEIGHT - 128);
+	planet.x = rand() % SCREEN_WIDTH;
+	planet.y = rand() % SCREEN_HEIGHT;
 	
 	game.currentMission = NULL;
 	
@@ -174,7 +174,7 @@ static void draw(void)
 {
 	drawBackground(background);
 	
-	blit(planetTexture, planet.x, planet.y, 0);
+	blit(planetTexture, planet.x, planet.y, 1);
 	
 	drawStars();
 	

src/challenges/challengeHome.h

@@ -55,6 +55,8 @@ extern void selectWidget(const char *name, const char *group);
 extern void updateAllMissions(void);
 extern char *getTranslatedString(char *string);
 extern void blit(SDL_Texture *t, int x, int y, int centered);
+extern char *getBackgroundTextureName(int n);
+extern char *getPlanetTextureName(int n);
 
 extern App app;
 extern Battle battle;

src/draw/background.c

@@ -113,12 +113,12 @@ void drawBackground(SDL_Texture *texture)
 	}
 }
 
-char *getBackgroundTexture(int i)
+char *getBackgroundTextureName(int i)
 {
 	return backgrounds[i % numBackgrounds];
 }
 
-char *getPlanetTexture(int i)
+char *getPlanetTextureName(int i)
 {
 	return planets[i % numPlanets];
 }

src/galaxy/mission.c

@@ -228,7 +228,7 @@ static char *getAutoBackground(char *filename)
 		hash = hashcode(filename);
 	}
 	
-	return getBackgroundTexture(hash);
+	return getBackgroundTextureName(hash);
 }
 
 static char *getAutoPlanet(char *filename)
@@ -244,7 +244,7 @@ static char *getAutoPlanet(char *filename)
 		hash = hashcode(filename);
 	}
 	
-	return getPlanetTexture(hash);
+	return getPlanetTextureName(hash);
 }
 
 void completeMission(void)

src/galaxy/mission.h

@@ -51,8 +51,8 @@ extern void initMissionInfo(void);
 extern char *getTranslatedString(char *string);
 extern void updateStarSystemMissions(void);
 extern void updateChallengeMissions(void);
-extern char *getBackgroundTexture(int n);
-extern char *getPlanetTexture(int n);
+extern char *getBackgroundTextureName(int n);
+extern char *getPlanetTextureName(int n);
 
 extern Battle battle;
 extern Entity *player;