Add value sprite to items.

Completely untested

src/item_builder.c

@@ -100,23 +100,45 @@ create_item(const char *path0, const char *path1, SDL_Rect clip, void (*cb)(Item
 	return item;
 }
 
+static Sprite *
+create_number_subsprite(SDL_Color fg,
+			SDL_Color outline,
+			const char *format,
+			double value)
+{
+	Sprite *sprite = sprite_create();
+	sprite_load_text_texture(sprite, "GUI/SDS_8x8.ttf", 0, 8, 1);
+	char priceLabel[10];
+	m_sprintf(priceLabel, 10, format, value);
+	texture_load_from_text(sprite->textures[0],
+			       priceLabel,
+			       fg,
+			       outline,
+			       builder->renderer);
+
+	sprite->dim = sprite->textures[0]->dim;
+
+	return sprite;
+}
+
 static Item *
-create_priced_item(double price, const char *path0, const char *path1, SDL_Rect clip, void (*cb)(Item *, Player*))
+create_priced_item(double price,
+		   const char *path0,
+		   const char *path1,
+		   SDL_Rect clip,
+		   void (*cb)(Item *, Player*))
 {
 	Item *item = create_item(path0, path1, clip, cb);
 	item->price = price;
-	Sprite *priceSprite = sprite_create();
-	sprite_load_text_texture(priceSprite, "GUI/SDS_8x8.ttf", 0, 8, 1);
-	char priceLabel[10];
-	m_sprintf(priceLabel, 10, "$%.0f", item->price);
-	texture_load_from_text(priceSprite->textures[0],
-			       priceLabel,
-			       C_YELLOW,
-			       C_BLACK,
-			       builder->renderer);
 
-	priceSprite->dim = priceSprite->textures[0]->dim;
+	Sprite *priceSprite = create_number_subsprite(C_YELLOW, C_BLACK, "$%.0f", item->price);
 	linkedlist_append(&item->subsprites, priceSprite);
+
+	Sprite *valueSprite = create_number_subsprite(C_BLUE, C_BLACK, "$.1f", item->value);
+	valueSprite->offset.x = item->sprite->dim.width - valueSprite->dim.width;
+	valueSprite->offset.y = item->sprite->dim.height - valueSprite->dim.height;
+	linkedlist_append(&item->subsprites, valueSprite);
+
 	return item;
 }
 

src/position.c

@@ -109,3 +109,9 @@ position_to_tile_pos(const Position *p)
 		p->y - (p->y % TILE_DIMENSION)
 	};
 }
+
+Position
+position_add(const Position *a, const Position *b)
+{
+	return POS(a->x + b->x, a->y + b->y);
+}

src/position.h

@@ -71,4 +71,10 @@ position_in_roommatrix(const Position*);
 Position
 position_to_tile_pos(const Position*);
 
+/*
+ * Add two positions
+ */
+Position
+position_add(const Position*, const Position*);
+
 #endif // POSITION_H_

src/sprite.c

@@ -30,7 +30,8 @@ sprite_create_default(void)
 	s->textures[1] = NULL;
 	s->clip = (SDL_Rect) { 0, 0, 0, 0 };
 	s->destroyTextures = false;
-	s->pos = (Position) { 0, 0 };
+	s->pos = POS(0, 0);
+	s->offset = POS(0, 0);
 	s->dim = DEFAULT_DIMENSION;
 	s->angle = 0;
 	s->rotationPoint = (SDL_Point) { 0, 0 };
@@ -169,6 +170,8 @@ sprite_render(Sprite *s, Camera *cam)
 	else
 		cameraPos = s->pos;
 
+	cameraPos = position_add(&cameraPos, &s->offset);
+
 	SDL_Rect box = {
 		cameraPos.x, cameraPos.y, s->dim.width, s->dim.height
 	};

src/sprite.h

@@ -41,6 +41,7 @@ typedef struct Sprite {
 	SDL_Rect clip;
 	bool destroyTextures;
 	Position pos;
+	Position offset;
 	Dimension dim;
 	double angle;
 	SDL_Point rotationPoint;