Abstract the controller

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>

2 files changed, 104 insertions, 36 deletions

diff --git a/cameltris.py b/cameltris.py
index 8ece28d..542e852 100755
--- a/cameltris.py
+++ b/cameltris.py
@@ -9,6 +9,8 @@ import time
 
 import pygame
 
+from pycameltris.controller import KeyboardController, JoystickController, Input
+
 class PS3Controller(enum.Enum):
     CROSS = 0
     CIRCLE = 1
@@ -377,6 +379,10 @@ pressing_down_countdown = None
 if ARGS["joystick_id"] is not None:
     joystick = pygame.joystick.Joystick(ARGS["joystick_id"])
     joystick.init()
+    controller = JoystickController(joystick)
+else:
+    controller = KeyboardController(pygame.key)
+
 
 while True:
     piece_drop_frames += 1
@@ -384,62 +390,37 @@ while True:
     for event in pygame.event.get():
         if event.type == pygame.QUIT:
             sys.exit()
-        elif event.type == pygame.KEYDOWN:
-            if event.key in (pygame.K_ESCAPE, pygame.K_q):
+        elif event.type == controller.downevent:
+            if controller.get_input_down(event) == Input.QUIT:
                 sys.exit()
             with contextlib.suppress(WouldCollide):
-                if event.key in (pygame.K_RIGHT, pygame.K_l):
-                    move_piece_right()
-                    das = 0
-                if event.key in (pygame.K_LEFT, pygame.K_h):
-                    move_piece_left()
-                    das = 0
-                if event.key == pygame.K_s:
-                    rotate_piece_clockwise()
-                if event.key == pygame.K_d:
-                    rotate_piece_counter_clockwise()
-                if event.key in (pygame.K_DOWN, pygame.K_j):
-                    piece_drop_frames = 0
-                    pressing_down_countdown = 3
-                    try:
-                        move_piece_down()
-                    except WouldCollide:
-                        stick_piece()
-        elif event.type == pygame.KEYUP:
-            if event.key in (pygame.K_DOWN, pygame.K_j):
-                pressing_down_countdown = None
-
-        elif event.type == pygame.JOYBUTTONDOWN:
-            with contextlib.suppress(WouldCollide):
-                if event.button == PS3Controller.RIGHT.value:
+                if controller.get_input_down(event) == Input.MOVE_RIGHT:
                     move_piece_right()
                     das = 0
-                if event.button == PS3Controller.LEFT.value:
+                if controller.get_input_down(event) == Input.MOVE_LEFT:
                     move_piece_left()
                     das = 0
-                if event.button == PS3Controller.CROSS.value:
+                if controller.get_input_down(event) == Input.ROTATE_CLOCKWISE:
                     rotate_piece_clockwise()
-                if event.button == PS3Controller.CIRCLE.value:
+                if controller.get_input_down(event) == Input.ROTATE_COUNTER_CLOCKWISE:
                     rotate_piece_counter_clockwise()
-                if event.button == PS3Controller.DOWN.value:
+                if controller.get_input_down(event) == Input.MOVE_DOWN:
                     piece_drop_frames = 0
                     pressing_down_countdown = 3
                     try:
                         move_piece_down()
                     except WouldCollide:
                         stick_piece()
-        elif event.type == pygame.JOYBUTTONUP:
-            if event.button == PS3Controller.DOWN.value:
+        elif event.type == controller.upevent:
+            if controller.get_input_up(event) == Input.MOVE_DOWN:
                 pressing_down_countdown = None
 
     das += 1
     if das == 16:
-        pressed_keys = pygame.key.get_pressed()
-        pressed_buttons = [joystick.get_button(x) for x in range(joystick.get_numbuttons())]
         with contextlib.suppress(WouldCollide):
-            if pressed_keys[pygame.K_RIGHT] or pressed_keys[pygame.K_l] or pressed_buttons[PS3Controller.RIGHT.value]:
+            if controller.is_pressed(Input.MOVE_RIGHT):
                 move_piece_right()
-            if pressed_keys[pygame.K_LEFT] or pressed_keys[pygame.K_h] or pressed_buttons[PS3Controller.LEFT.value]:
+            if controller.is_pressed(Input.MOVE_LEFT):
                 move_piece_left()
         das = 10
 
diff --git a/pycameltris/controller.py b/pycameltris/controller.py
new file mode 100644
index 0000000..3532fd9
--- /dev/null
+++ b/pycameltris/controller.py
@@ -0,0 +1,87 @@
+import enum
+
+import pygame
+
+
+class Input(enum.Enum):
+    ROTATE_CLOCKWISE = 0
+    ROTATE_COUNTER_CLOCKWISE = 1
+    MOVE_LEFT = 2
+    MOVE_RIGHT = 3
+    MOVE_DOWN = 4
+    PAUSE = 5
+    QUIT = 6
+
+
+class JoystickController:
+
+    class PS3Controller(enum.Enum):
+        CROSS = 0
+        CIRCLE = 1
+        TRIANGLE = 2
+        SQUARE = 3
+        DOWN = 14
+        LEFT = 15
+        RIGHT = 16
+
+    def __init__(self, joystick):
+        self.joystick = joystick
+        self.mapping = {
+                Input.ROTATE_CLOCKWISE: JoystickController.PS3Controller.CROSS,
+                Input.ROTATE_COUNTER_CLOCKWISE: JoystickController.PS3Controller.CIRCLE,
+                Input.MOVE_LEFT: JoystickController.PS3Controller.LEFT,
+                Input.MOVE_RIGHT: JoystickController.PS3Controller.RIGHT,
+                Input.MOVE_DOWN: JoystickController.PS3Controller.DOWN,
+                }
+        self.downevent = pygame.JOYBUTTONDOWN
+        self.upevent = pygame.JOYBUTTONUP
+
+    def is_pressed(self, input_: Input):
+        return self.joystick.get_button(self.mapping[input_].value)
+
+
+    def get_input_down(self, event):
+        for key, value in self.mapping.items():
+            if value.value == event.button:
+                return key
+
+        return None
+
+    def get_input_up(self, event):
+        for key, value in self.mapping.items():
+            if value.value == event.button:
+                return key
+
+        return None
+
+
+class KeyboardController:
+    def __init__(self, keyboard):
+        self.keyboard = keyboard
+        self.mapping = {
+                Input.ROTATE_CLOCKWISE: pygame.K_f,
+                Input.ROTATE_COUNTER_CLOCKWISE: pygame.K_d,
+                Input.MOVE_LEFT: pygame.K_h,
+                Input.MOVE_RIGHT: pygame.K_l,
+                Input.MOVE_DOWN: pygame.K_j,
+                Input.QUIT: pygame.K_q,
+                }
+        self.downevent = pygame.KEYDOWN
+        self.upevent = pygame.KEYUP
+
+    def is_pressed(self, input_: Input):
+        return self.keyboard.get_pressed()[self.mapping[input_]]
+
+    def get_input_down(self, event):
+        for key, value in self.mapping.items():
+            if value == event.key:
+                return key
+
+        return None
+
+    def get_input_up(self, event):
+        for key, value in self.mapping.items():
+            if value == event.key:
+                return key
+
+        return None