Initial commit

1 files changed, 60 insertions, 0 deletions

diff --git a/src/input.odin b/src/input.odin
new file mode 100644
index 0000000..0dad408
--- /dev/null
+++ b/src/input.odin
@@ -0,0 +1,60 @@
+package demonchime
+
+import sapp "shared:sokol/app"
+
+KeybindInput :: union {
+  sapp.Keycode,
+  sapp.Mousebutton,
+}
+
+Keybind :: struct {
+  input: KeybindInput,
+  pressed: bool,
+  just_pressed: bool,
+}
+
+Input :: struct {
+  move_up: Keybind,
+  move_left: Keybind,
+  move_down: Keybind,
+  move_right: Keybind,
+
+  key_down: [sapp.MAX_KEYCODES]bool,
+  key_just_down: [sapp.MAX_KEYCODES]bool,
+  mouse_down: [sapp.MAX_MOUSEBUTTONS]bool,
+  mouse_just_down: [sapp.MAX_MOUSEBUTTONS]bool,
+}
+
+init_keybinds :: proc(input: ^Input) {
+  input.move_up.input = sapp.Keycode.W
+  input.move_left.input = sapp.Keycode.A
+  input.move_down.input = sapp.Keycode.S
+  input.move_right.input = sapp.Keycode.D
+}
+
+input_event :: proc(event: ^sapp.Event, input: ^Input) {
+  #partial switch event.type {
+  case .KEY_DOWN:
+    input.key_down[event.key_code] = true
+    input.key_just_down[event.key_code] = true
+  case .KEY_UP:
+    input.key_down[event.key_code] = false
+  case .MOUSE_DOWN:
+    input.mouse_down[event.key_code] = true
+    input.mouse_just_down[event.key_code] = true
+  case .MOUSE_UP:
+    input.mouse_down[event.key_code] = false
+  }
+}
+
+is_keybind_down :: proc(input: Input, keybind: Keybind) -> bool {
+  switch val in keybind.input {
+  case sapp.Keycode:
+    return input.key_down[val]
+  case sapp.Mousebutton:
+    return input.mouse_down[val]
+  }
+
+  assert(false)
+  return false
+}