Rename examples

[guile-irrlicht.git] / examples / 02-quake3map.scm

diff --git a/examples/02-quake3map.scm b/examples/02-quake3map.scm
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+;;; guile-irrlicht --- FFI bindings for Irrlicht Engine
+;;; Copyright (C) 2019 Javier Sancho <jsf@jsancho.org>
+;;;
+;;; This file is part of guile-irrlicht.
+;;;
+;;; Guile-irrlicht is free software; you can redistribute it and/or modify
+;;; it under the terms of the GNU Lesser General Public License as
+;;; published by the Free Software Foundation; either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; Guile-irrlicht 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 Lesser General Public
+;;; License along with guile-irrlicht.  If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+
+;;; Irrlicht 02.Quake3Map example
+;;; http://irrlicht.sourceforge.net/docu/example002.html
+
+
+(use-modules (irrlicht)
+             (ice-9 match))
+
+;; ask user for driver
+(format #t
+        "Please select the driver you want for this example:
+ (a) OpenGL 1.5
+ (b) Direct3D 9.0c
+ (c) Direct3D 8.1
+ (d) Burning's Software Renderer
+ (e) Software Renderer
+ (f) NullDevice
+ (otherKey) exit~%~%")
+
+(define driver (match (read-char)
+                      (#\a 'opengl)
+                      (#\b 'direct3d9)
+                      (#\c 'direct3d8)
+                      (#\d 'burnings)
+                      (#\e 'software)
+                      (#\f 'null)
+                      (_ #f)))
+
+(when (not driver)
+  (exit #f))
+
+;; start up the engine
+(define device
+  (create-device
+   #:device-type driver
+   #:window-size '(640 480)))
+(when (not device)
+  (exit #f))
+
+;; instances for doing things
+(define driver (get-video-driver device))
+(define scene-manager (get-scene-manager device))
+(define driver-name (get-name driver))
+
+;; load Quake3 map
+(add-file-archive! (get-file-system device) "media/map-20kdm2.pk3")
+
+(define mesh (get-mesh scene-manager "20kdm2.bsp"))
+(define node (add-octree-scene-node!
+              scene-manager mesh
+              #:minimal-polys-per-node 1024))
+(set-position! node '(-1300 -144 -1249))
+
+;; FPS camera
+(add-camera-scene-node-fps! scene-manager)
+(set-visible! (get-cursor-control device) #f)
+
+;; loop
+(define last-fps -1)
+(while (run device)
+  (cond ((is-window-active? device)
+         (begin-scene driver #:color '(255 200 200 200))
+         (draw-all scene-manager)
+         (end-scene driver)
+
+         (let ((fps (get-fps driver)))
+           (when (not (= last-fps fps))
+             (let ((caption
+                    (format #f "Irrlicht Engine - Quake 3 Map example [~a] FPS:~a" driver-name fps)))
+               (set-window-caption! device caption))
+             (set! last-fps fps))))
+        (else
+         ((@ (irrlicht) yield) device))))
+
+;; delete device
+(drop! device)
+(exit #t)