From 46269dcb2fa3ddcddaef81d8769784705613500c Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Sun, 4 Jun 2023 12:32:03 -0400
Subject: Add splash screen.

---
 Makefile.am            |  1 +
 super-bloom/common.scm | 11 ++++++
 super-bloom/main.scm   | 14 ++------
 super-bloom/splash.scm | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 110 insertions(+), 11 deletions(-)
 create mode 100644 super-bloom/splash.scm

diff --git a/Makefile.am b/Makefile.am
index 7b90451..9624e82 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -27,6 +27,7 @@ SOURCES = 					\
   super-bloom/dirt-ball.scm			\
   super-bloom/player.scm			\
   super-bloom/game.scm				\
+  super-bloom/splash.scm			\
   super-bloom/main.scm
 
 EXTRA_DIST = 					\
diff --git a/super-bloom/common.scm b/super-bloom/common.scm
index 08d4eae..0e55b90 100644
--- a/super-bloom/common.scm
+++ b/super-bloom/common.scm
@@ -14,6 +14,8 @@
 
 (define-module (super-bloom common)
   #:use-module (catbird asset)
+  #:use-module (catbird mixins)
+  #:use-module (catbird scene)
   #:use-module (chickadee)
   #:use-module (chickadee audio)
   #:use-module (chickadee graphics text)
@@ -32,6 +34,7 @@
             spray-sound
             random:float
             steps
+            <game-scene>
             water))
 
 (define %default-width 640)
@@ -66,4 +69,12 @@
 (define (steps n)
   (* n (current-timestep)))
 
+(define-class <game-scene> (<scene>))
+
+(define-method (width (scene <game-scene>))
+  %game-width:float)
+
+(define-method (height (scene <game-scene>))
+  %game-height:float)
+
 (define-accessor water)
diff --git a/super-bloom/main.scm b/super-bloom/main.scm
index 390003b..72f4254 100644
--- a/super-bloom/main.scm
+++ b/super-bloom/main.scm
@@ -24,7 +24,7 @@
   #:use-module (chickadee math rect)
   #:use-module (oop goops)
   #:use-module (super-bloom common)
-  #:use-module (super-bloom game)
+  #:use-module (super-bloom splash)
   #:export (launch-game))
 
 (define-class <upscaled-centered-region> (<region>)
@@ -67,21 +67,13 @@
     (add-region (current-kernel) region)
     region))
 
-(define-class <game-scene> (<scene>))
-
-(define-method (width (scene <game-scene>))
-  %game-width:float)
-
-(define-method (height (scene <game-scene>))
-  %game-height:float)
-
 (define (init)
   (let ((region (create-upscaled-centered-region %game-width %game-height #:name 'main))
-        (scene (make <game-scene> #:name 'super-bloom))
+        (scene (make <game-scene> #:name 'splash-screen))
         (camera (make <camera-2d> #:width %game-width #:height %game-height)))
     (replace-scene region scene)
     (set-camera region camera)
-    (replace-major-mode scene (make <super-bloom-mode>))))
+    (replace-major-mode scene (make <splash-screen-mode>))))
 
 (define (launch-game)
   (run-catbird init
diff --git a/super-bloom/splash.scm b/super-bloom/splash.scm
new file mode 100644
index 0000000..6f7432b
--- /dev/null
+++ b/super-bloom/splash.scm
@@ -0,0 +1,95 @@
+;;; Copyright 2023 David Thompson
+;;;
+;;; Licensed under the Apache License, Version 2.0 (the "License");
+;;; you may not use this file except in compliance with the License.
+;;; You may obtain a copy of the License at
+;;;
+;;;    http://www.apache.org/licenses/LICENSE-2.0
+;;;
+;;; Unless required by applicable law or agreed to in writing, software
+;;; distributed under the License is distributed on an "AS IS" BASIS,
+;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+;;; See the License for the specific language governing permissions and
+;;; limitations under the License.
+
+(define-module (super-bloom splash)
+  #:use-module (catbird)
+  #:use-module (catbird asset)
+  #:use-module (catbird camera)
+  #:use-module (catbird kernel)
+  #:use-module (catbird mixins)
+  #:use-module (catbird mode)
+  #:use-module (catbird node)
+  #:use-module (catbird node-2d)
+  #:use-module (catbird region)
+  #:use-module (catbird scene)
+  #:use-module (chickadee data quadtree)
+  #:use-module (chickadee graphics color)
+  #:use-module (chickadee graphics path)
+  #:use-module (chickadee graphics texture)
+  #:use-module (chickadee math rect)
+  #:use-module (chickadee math vector)
+  #:use-module (chickadee scripting)
+  #:use-module (oop goops)
+  #:use-module (super-bloom common)
+  #:use-module (super-bloom game)
+  #:export (<splash-screen-mode>))
+
+(define-asset (chickadee-texture (file (scope-datadir "assets/images/chickadee.png")))
+  (load-image file))
+
+(define-class <splash-screen-mode> (<major-mode>))
+
+(define-method (go-to-game (mode <splash-screen-mode>))
+  (let ((region (find-region-by-name 'main))
+        (scene (make <game-scene> #:name 'super-bloom)))
+    (replace-scene region scene)
+    (replace-major-mode scene (make <super-bloom-mode>))))
+
+(define-method (on-enter (mode <splash-screen-mode>))
+  (define (full-rect color)
+    (with-style ((fill-color color))
+      (fill (rectangle (vec2 0.0 0.0)
+                       %game-width:float
+                       %game-height:float))))
+  (let ((scene (parent mode))
+        (bg (make <canvas>
+              #:name 'background
+              #:rank 0
+              #:painter (full-rect white)))
+        (fader (make <canvas>
+                 #:name 'fader
+                 #:rank 999
+                 #:width %game-width:float
+                 #:height %game-height:float))
+        (sprite (make <sprite>
+                  #:name 'sprite
+                  #:rank 1
+                  #:texture chickadee-texture
+                  #:origin (vec2 8.0 8.0)
+                  #:scale 0.5))
+        (label1 (make <label>
+                  #:name 'built-with-label
+                  #:rank 1
+                  #:font monogram-font
+                  #:color black
+                  #:text "Built with Chickadee"))
+        (label2 (make <label>
+                  #:name 'url-label
+                  #:rank 1
+                  #:font monogram-font
+                  #:color black
+                  #:text "https://dthompson.us/projects/chickadee.html")))
+    (run-script scene
+      (attach-to scene bg fader sprite label1 label2)
+      (center-in-parent sprite)
+      (center-horizontal-in-parent label1)
+      (center-horizontal-in-parent label2)
+      (place-below sprite label1 #:padding 16.0)
+      (place-below label1 label2 #:padding 16.0)
+      (sleep 2.0)
+      (tween 1.0 (make-color 0.0 0.0 0.0 0.0001) (make-color 0.0 0.0 0.0 1.0)
+             (lambda (color)
+               (set! (painter fader) (full-rect color)))
+             #:interpolate color-lerp)
+      (go-to-game mode))))
-- 
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