Changeset 364:72a91d64c088

Timestamp:

Sep 6, 2013, 6:45:02 PM (7 years ago)

Author:

Jeremy Thurgood <firxen@…>

Branch:

default

rebase_source:

f34a3c6b9d3f80c1238bc0d07ba7c57b889e47b5

Message:

Keycard doors.

Files:

• data/levels/level2 (modified) (1 diff)
• nagslang/game_object.py (modified) (3 diffs)
• nagslang/mutators.py (modified) (2 diffs)

data/levels/level2

@@ -26 +26 @@
     - [700, 250]
   classname: ForceWolfFloor
+- args:
+  - [600, 440]
+  - level2
+  - [800, 300]
+  - 90
+  - keycard_red
+  classname: KeyedDoor
+- args:
+  - [400, 200]
+  - keycard_red
+  classname: KeyCard
+  name: keycard_red
 lines: []
 polygons:

nagslang/game_object.py

@@ -7 +7 @@
 from nagslang import puzzle
 from nagslang import render
-from nagslang.mutators import FLIP_H
+from nagslang.mutators import FLIP_H, ImageOverlay
 from nagslang.constants import (
     COLLISION_TYPE_DOOR, COLLISION_TYPE_FURNITURE, COLLISION_TYPE_PROJECTILE,
@@ -349 +349 @@
                  key_item=None):
         self._key_item = key_item
+        overlay = ImageOverlay(
+            resources.get_image('objects', '%s.png' % (key_item,)))
         super(KeyedDoor, self).__init__(
             space, position, destination, dest_pos, angle,
-            render.ImageRenderer(resources.get_image('objects', 'door.png')),
+            render.ImageRenderer(resources.get_image(
+                'objects', 'door.png', transforms=(overlay,))),
             environment.ItemRequiredCondition(key_item),
         )
@@ -578 +581 @@
     def apply_effect(self, protagonist):
         protagonist.force_wolf_form()
+
+
+class KeyCard(CollectibleGameObject):
+    def __init__(self, space, position, name):
+        body = make_body(None, None, position)
+        self.shape = pymunk.Circle(body, 20)
+        super(KeyCard, self).__init__(
+            space, name, self.shape,
+            render.ImageRenderer(
+                resources.get_image('objects', '%s.png' % (name,))),
+        )
+
+    @classmethod
+    def requires(cls):
+        return [("name", "string"), ("position", "coordinates"),
+                ("item_name", "string")]

nagslang/mutators.py

@@ -2 +2 @@
 
 import pygame
-from pygame.transform import rotate, flip
+from pygame.transform import rotate, flip, scale
 
 
@@ -40 +40 @@
 
 
+class ImageOverlay(Mutator):
+    '''Overlay another image onto an image'''
+    def __init__(self, image, offset=(0, 0), halfsize=True, blend=0):
+        super(ImageOverlay, self).__init__(
+            ImageOverlay.overlay, image, offset, halfsize, blend)
+
+    @classmethod
+    def overlay(self, image, overlay, offset, halfsize, blend):
+        image = image.copy()
+        if halfsize:
+            new_size = (overlay.get_width() / 2, overlay.get_height() / 2)
+            overlay = scale(overlay, new_size)
+        offset_x = image.get_width() / 2 - overlay.get_width() / 2 + offset[0]
+        offset_y = image.get_width() / 2 - overlay.get_width() / 2 + offset[1]
+        image.blit(overlay, (offset_x, offset_y), None, blend)
+        return image
+
+
 # Identity mutator
 NULL = Mutator(lambda x: x)