feat(input): virtual input mapping and codegen

1 files changed, 50 insertions, 0 deletions

diff --git a/stockton-input/src/manager.rs b/stockton-input/src/manager.rs
new file mode 100644
index 0000000..2b62a93
--- /dev/null
+++ b/stockton-input/src/manager.rs
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Oscar Shrimpton 2020
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/// A thing that pressing a button can do to an input.
+#[derive(Debug, Clone, Copy)]
+pub enum InputMutation {
+    MapToButton,
+    NegativeAxis,
+    PositiveAxis,
+}
+
+/// A key being pressed or released
+#[derive(Debug, Clone)]
+pub enum Action {
+    KeyPress(u8),
+    KeyRelease(u8),
+}
+
+impl Action {
+    pub fn keycode(&self) -> u8 {
+        match self {
+            Action::KeyPress(x) => *x,
+            Action::KeyRelease(x) => *x,
+        }
+    }
+    pub fn is_down(&self) -> bool {
+        match self {
+            Action::KeyPress(_) => true,
+            Action::KeyRelease(_) => false,
+        }
+    }
+}
+
+pub trait InputManager {
+    fn handle_frame<'a, X: IntoIterator<Item = &'a Action>>(&mut self, actions: X);
+}