1 files changed, 69 insertions, 3 deletions

diff --git a/src/ui.c b/src/ui.c
index 66560bb..ac176b8 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -228,10 +228,19 @@ void updateInteractionMenu(InteractionMenu* menu, Game* game)
   }
 }
 
+void resizeInventory(Inventory* inventory)
+{
+  inventory->rect.width = 300.0;
+  inventory->rect.height = 300.0;
+  inventory->rect.x = GetRenderWidth() / 2.0 - inventory->rect.width / 2.0;
+  inventory->rect.y = GetRenderHeight() / 2.0 - inventory->rect.height / 2.0;
+}
+
 void initInventory(Inventory* inventory)
 {
-  inventory->visable = false;
-  inventory->itemCount = 0;
+  resizeInventory(inventory);
+  inventory->visable = true;
+  inventory->itemCount = 40;
 }
 
 void showInventory(Inventory* inventory)
@@ -244,10 +253,67 @@ void hideInventory(Inventory* inventory)
   inventory->visable = false;
 }
 
-void addItemToInventory(Inventory* inventory, InventoryItem item)
+void addItemToInventory(Inventory* inventory, EntityItem item)
 {
+  // If item is already in the inventory.
+  for (int index = 0; index < inventory->itemCount; ++index)
+  {
+    if (inventory->items[index].id == item.id)
+    {
+      inventory->items[index].count += item.count;
+      return;
+    }
+  }
+
+  // Add item to inventory.
+  if (inventory->itemCount >= INVENTORY_MAX)
+  {
+    TraceLog(LOG_ERROR, "inventory->itemCount >= INVENTORY_MAX");
+  }
+  else
+  {
+    inventory->items[inventory->itemCount] = item;
+    ++inventory->itemCount;
+  }
 }
 
 void updateInventory(Inventory* inventory)
 {
+  if (IsWindowResized())
+  {
+    resizeInventory(inventory);
+  }
+  
+  if (!inventory->visable)
+  {
+    return;
+  }
+
+  // Draw background.
+  int outlineThickness = 3;
+  DrawRectangleRec(inventory->rect, PINK);
+  DrawRectangleLinesEx(inventory->rect, outlineThickness, BLACK);
+
+  // Draw items.
+  int startX = inventory->rect.x + outlineThickness;
+  int startY = inventory->rect.y + outlineThickness;
+  int maxX = inventory->rect.width + inventory->rect.x - INVENTORY_SPRITE_SIZE;
+  int maxY = inventory->rect.height + inventory->rect.y -
+    INVENTORY_SPRITE_SIZE;
+  int x = startX;
+  int y = startY;
+
+  for (int index = 0; index < inventory->itemCount; ++index)
+  {
+    DrawRectangle(x, y, INVENTORY_SPRITE_SIZE, INVENTORY_SPRITE_SIZE, GRAY);
+    DrawText(TextFormat("%d\n", index), x, y, 16, BLACK);
+
+    x += INVENTORY_SPRITE_SIZE;
+
+    if (x >= maxX)
+    {
+      x = startX;
+      y += INVENTORY_SPRITE_SIZE;
+    }
+  }
 }