From 2c2be9855320473ee7fdc23f54ae6c01c6a569c7 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson@vistahigherlearning.com>
Date: Wed, 26 Oct 2022 18:30:32 -0400
Subject: Add root module to remove use of module-ref in (catbird kernel).

---
 catbird.scm | 120 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 catbird.scm

(limited to 'catbird.scm')

diff --git a/catbird.scm b/catbird.scm
new file mode 100644
index 0000000..ae27bb7
--- /dev/null
+++ b/catbird.scm
@@ -0,0 +1,120 @@
+;;; Catbird Game Engine
+;;; Copyright © 2022 David Thompson <davet@gnu.org>
+;;;
+;;; Catbird 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.
+;;;
+;;; Catbird 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 Catbird.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;
+;; Catbird engine entry point.
+;;
+;;; Code:
+(define-module (catbird)
+  #:use-module (catbird camera)
+  #:use-module (catbird config)
+  #:use-module (catbird input-map)
+  #:use-module (catbird kernel)
+  #:use-module (catbird minibuffer)
+  #:use-module (catbird mode)
+  #:use-module (catbird overlay)
+  #:use-module (catbird region)
+  #:use-module (catbird scene)
+  #:use-module (chickadee)
+  #:use-module (chickadee math rect)
+  #:use-module (oop goops)
+  #:export (run-catbird)
+  #:re-export (exit-catbird))
+
+;; Add the system notification and debugging overlay.
+(define (add-overlay)
+  (let ((region (create-full-region #:name 'overlay #:rank 9999)))
+    (set! (camera region)
+          (make <camera-2d>
+            #:width (rect-width (area region))
+            #:height (rect-height (area region))))
+    (replace-scene region (make-overlay))))
+
+(define (overlay-scene)
+  (scene (find-region-by-name 'overlay)))
+
+(define-method (notify message)
+  (notify (overlay-scene) message))
+
+(define (open-minibuffer)
+  (push-major-mode (overlay-scene) (make <minibuffer-mode>)))
+
+;;(bind-input/global (key-press 'x '(alt)) open-minibuffer)
+
+(define* (run-catbird thunk #:key (width 1366) (height 768)
+                      (title "^~Catbird~^") (fullscreen? #f)
+                      (resizable? #t) (update-hz 60))
+  (let ((kernel (make <kernel>)))
+    (parameterize ((current-kernel kernel))
+      (run-game #:window-title title
+                #:window-width width
+                #:window-height height
+                #:window-fullscreen? fullscreen?
+                #:window-resizable? resizable?
+                #:update-hz update-hz
+                #:load
+                (lambda ()
+                  (load* kernel)
+                  (thunk)
+                  (add-overlay))
+                #:draw
+                (lambda (alpha)
+                  (render kernel alpha))
+                #:update
+                (lambda (dt)
+                  (update kernel dt))
+                #:key-press
+                (lambda (key modifiers repeat?)
+                  (on-key-press kernel key modifiers))
+                #:key-release
+                (lambda (key modifiers)
+                  (on-key-release kernel key modifiers))
+                #:text-input
+                (lambda (text)
+                  (on-text-input kernel text))
+                #:mouse-press
+                ;; TODO: Handle click counter?
+                (lambda (button clicks x y)
+                  (on-mouse-press kernel button x y))
+                #:mouse-release
+                (lambda (button x y)
+                  (on-mouse-release kernel button x y))
+                #:mouse-move
+                (lambda (x y x-rel y-rel buttons)
+                  (on-mouse-move kernel x y x-rel y-rel buttons))
+                #:mouse-wheel
+                (lambda (x y)
+                  (on-mouse-wheel kernel x y))
+                #:controller-add
+                (lambda (controller)
+                  (on-controller-add kernel controller))
+                #:controller-remove
+                (lambda (controller)
+                  (on-controller-remove kernel controller))
+                #:controller-press
+                (lambda (controller button)
+                  (on-controller-press kernel controller button))
+                #:controller-release
+                (lambda (controller button)
+                  (on-controller-release kernel controller button))
+                #:controller-move
+                (lambda (controller axis value)
+                  (on-controller-move kernel controller axis value))))))
+
+(define (exit-catbird)
+  "Stop the Catbird engine."
+  (abort-game))
-- 
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