Initial version

game/inventory.py

@@ -0,0 +1,71 @@
+from ursina import Entity, Quad, color, camera, held_keys, destroy
+
+class Inventory():
+    def __init__(self, x=0, y=4.5, width=12, height=1, slots=5):
+        self.width = width
+        self.height = height
+        self.x = x
+        self.y = y
+        self.slot_number = slots
+        self.slot_width = width / self.slot_number
+
+        self.slot_grid = {}
+        self.item_grid = {}
+        self.slot_names = {}
+
+        self.current_slot = 0
+
+        self.create_grid()
+
+        self.slot_grid[0].input = self.input
+
+    def switch_to(self, slot):
+        self.item_grid[self.current_slot].color = color.gray
+        self.slot_grid[self.current_slot].color = color.gray
+
+        self.current_slot = slot
+
+        self.item_grid[slot].color = color.white
+        self.slot_grid[slot].color = color.white
+
+    def input(self, key):
+        if key.isnumeric() and int(key) <= self.slot_number:
+            self.switch_to(int(key) - 1)
+
+        if key == "scroll up":
+            self.switch_to(min(self.slot_number - 1, self.current_slot + 1))
+        elif key == "scroll down":
+            self.switch_to(max(0, self.current_slot - 1))
+
+    def create_grid(self):
+        for slot in range(self.slot_number):
+            self.slot_grid[slot] = Entity(
+                parent = camera.ui,
+                model = Quad(radius=.015),
+                texture = 'white_cube',
+                scale = (self.slot_width * 0.1, self.height * 0.1),
+                origin = (-slot * (self.slot_width / 2), 0),
+                position = (-.55, -.4),
+                color = color.gray if slot != self.current_slot else color.white
+            )
+
+    def append(self, item, name, slot):
+        self.slot_names[slot] = name
+
+        self.item_grid[slot] = Entity(
+            parent = camera.ui,
+            model = Quad(radius=.015),
+            texture = item,
+            scale = (self.slot_width * 0.1, self.height * 0.1),
+            origin = (-slot * (self.slot_width / 2), 0),
+            position = (-.55, -.4),
+            z=-1,
+            color = color.gray if slot != self.current_slot else color.white
+        )
+
+    def hide(self):
+        for item_entity in self.item_grid.values():
+            destroy(item_entity)
+
+        for slot_entity in self.slot_grid.values():
+            destroy(slot_entity)