-;;; guile-irrlicht --- FFI bindings for Irrlicht Engine
-;;; Copyright (C) 2020 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/>.
-
-
-(define-module (irrlicht scene)
- #:use-module (oop goops)
- #:use-module (ice-9 optargs)
- #:use-module (irrlicht base)
- #:use-module (irrlicht foreign)
- #:use-module ((irrlicht io) #:select (<attribute-exchanging-object>))
- #:use-module ((irrlicht irr) #:select (<event-receiver> <key-map> <reference-counted>))
- #:use-module ((irrlicht video) #:select (<texture>)))
-
-
-;; IMesh
-(define-class <mesh> (<reference-counted>)
- (irr-class #:init-value "IMesh"))
-
-(export <mesh>)
-
-
-;; IAnimatedMesh
-(define-class <animated-mesh> (<mesh>)
- (irr-class #:init-value "IAnimatedMesh"))
-
-(export <animated-mesh>)
-
-
-;; ISceneNodeAnimator
-(define-class <scene-node-animator> (<attribute-exchanging-object> <event-receiver>)
- (irr-class #:init-value "ISceneNodeAnimator"))
-
-(export <scene-node-animator>)
-
-
-;; ISceneManager
-(define-class <scene-manager> (<reference-counted>)
- (irr-class #:init-value "ISceneManager"))
-
-(define-method (add-animated-mesh-scene-node! (scene-manager <scene-manager>)
- (mesh <animated-mesh>)
- . rest)
- (let-keywords rest #f
- ((parent (make <scene-node>))
- (id -1)
- (position '(0 0 0))
- (rotation '(0 0 0))
- (scale '(1 1 1))
- (also-add-if-mesh-pointer-zero #f))
- (let* ((addAnimatedMeshSceneNode (get-irrlicht-proc "addAnimatedMeshSceneNode"
- scene-manager
- parent))
- (node (addAnimatedMeshSceneNode scene-manager mesh parent id position
- rotation scale also-add-if-mesh-pointer-zero)))
- (cond ((null-object? node)
- (error "In procedure add-animated-mesh-scene-node!: Scene node cannot be created"))
- (else
- node)))))
-
-(define-method (add-camera-scene-node! (scene-manager <scene-manager>) . rest)
- (let-keywords rest #f
- ((parent (make <scene-node>))
- (position '(0 0 0))
- (lookat '(0 0 100))
- (id -1)
- (make-active #t))
- (let ((addCameraSceneNode (get-irrlicht-proc "addCameraSceneNode" scene-manager parent)))
- (addCameraSceneNode scene-manager parent position lookat id make-active))))
-
-(define-method (add-camera-scene-node-fps! (scene-manager <scene-manager>) . rest)
- (let-keywords rest #f
- ((parent (make <scene-node>))
- (rotate-speed 100)
- (move-speed 0.5)
- (id -1)
- (key-map-array (make <key-map>))
- (key-map-size 0)
- (no-vertical-movement #f)
- (jump-speed 0)
- (invert-mouse #f)
- (make-active #t))
- (let ((addCameraSceneNodeFPS (get-irrlicht-proc "addCameraSceneNodeFPS"
- scene-manager parent)))
- (addCameraSceneNodeFPS scene-manager #:parent parent #:rotate-speed rotate-speed
- #:move-speed move-speed #:id id #:key-map-array key-map-array
- #:key-map-size key-map-size
- #:no-vertical-movement no-vertical-movement
- #:jump-speed jump-speed #:invert-mouse invert-mouse
- #:make-active make-active))))
-
-(define-method (add-cube-scene-node! (scene-manager <scene-manager>) . rest)
- (let-keywords rest #f
- ((size 10)
- (parent (make <scene-node>))
- (id -1)
- (position '(0 0 0))
- (rotation '(0 0 0))
- (scale '(1 1 1)))
- (let ((addCubeSceneNode (get-irrlicht-proc "addCubeSceneNode" scene-manager parent)))
- (addCubeSceneNode scene-manager size parent id position rotation scale))))
-
-(define-method (add-custom-scene-node! (scene-manager <scene-manager>) proc-render
- proc-get-bounding-box proc-get-material-count
- proc-get-material . rest)
- (let-keywords rest #f
- ((parent (make <scene-node>))
- (id -1)
- (position '(0 0 0))
- (rotation '(0 0 0))
- (scale '(1 1 1)))
- (let ((addCustomSceneNode (get-irrlicht-proc "addCustomSceneNode" scene-manager parent)))
- (addCustomSceneNode scene-manager proc-render proc-get-bounding-box proc-get-material-count
- proc-get-material parent id position rotation scale))))
-
-(define-method (add-octree-scene-node! (scene-manager <scene-manager>)
- (mesh <animated-mesh>)
- . rest)
- (let-keywords rest #f
- ((parent (make <scene-node>))
- (id -1)
- (minimal-polys-per-node 512)
- (also-add-if-mesh-pointer-zero #f))
- (let ((addOctreeSceneNode (get-irrlicht-proc "addOctreeSceneNode" scene-manager parent mesh)))
- (addOctreeSceneNode scene-manager mesh parent id minimal-polys-per-node
- also-add-if-mesh-pointer-zero))))
-
-(define-method (add-octree-scene-node! (scene-manager <scene-manager>)
- (mesh <mesh>)
- . rest)
- (let-keywords rest #f
- ((parent (make <scene-node>))
- (id -1)
- (minimal-polys-per-node 256)
- (also-add-if-mesh-pointer-zero #f))
- (let ((addOctreeSceneNode (get-irrlicht-proc "addOctreeSceneNode" scene-manager parent mesh)))
- (addOctreeSceneNode scene-manager mesh parent id minimal-polys-per-node
- also-add-if-mesh-pointer-zero))))
-
-(define-method (add-sphere-scene-node! (scene-manager <scene-manager>) . rest)
- (let-keywords rest #f
- ((radius 5)
- (poly-count 16)
- (parent (make <scene-node>))
- (id -1)
- (position '(0 0 0))
- (rotation '(0 0 0))
- (scale '(1 1 1)))
- (let ((addSphereSceneNode (get-irrlicht-proc "addSphereSceneNode" scene-manager parent)))
- (addSphereSceneNode scene-manager radius poly-count parent id position rotation scale))))
-
-(define-method (create-fly-circle-animator (scene-manager <scene-manager>) . rest)
- (let-keywords rest #f
- ((center '(0 0 0))
- (radius 100)
- (speed 0.001)
- (direction '(0 1 0))
- (start-position 0)
- (radius-ellipsoid 0))
- (let ((createFlyCircleAnimator (get-irrlicht-proc "createFlyCircleAnimator" scene-manager)))
- (createFlyCircleAnimator scene-manager center radius speed direction start-position
- radius-ellipsoid))))
-
-(define-method (create-fly-straight-animator (scene-manager <scene-manager>)
- start-point end-point time-for-way . rest)
- (let-keywords rest #f
- ((loop #f)
- (pingpong #f))
- (let ((createFlyStraightAnimator (get-irrlicht-proc "createFlyStraightAnimator" scene-manager)))
- (createFlyStraightAnimator scene-manager start-point end-point time-for-way
- loop pingpong))))
-
-(define-method (create-rotation-animator (scene-manager <scene-manager>) rotation-speed)
- (let ((createRotationAnimator (get-irrlicht-proc "createRotationAnimator" scene-manager)))
- (createRotationAnimator scene-manager rotation-speed)))
-
-(define-method (draw-all (scene-manager <scene-manager>))
- ((get-irrlicht-proc "drawAll" scene-manager)
- scene-manager))
-
-(define-method (get-mesh (scene-manager <scene-manager>) filename)
- (let* ((getMesh (get-irrlicht-proc "getMesh" scene-manager))
- (mesh (getMesh scene-manager filename)))
- (cond ((null-object? mesh)
- (error "In procedure get-mesh: Mesh cannot be created"))
- (else
- mesh))))
-
-(define-method (get-root-scene-node (scene-manager <scene-manager>))
- (let ((getRootSceneNode (get-irrlicht-proc "getRootSceneNode" scene-manager)))
- (getRootSceneNode scene-manager)))
-
-(export <scene-manager> add-animated-mesh-scene-node! add-cube-scene-node! add-camera-scene-node!
- add-camera-scene-node-fps! add-custom-scene-node! add-octree-scene-node!
- add-sphere-scene-node! create-fly-circle-animator create-fly-straight-animator
- create-rotation-animator draw-all get-root-scene-node get-mesh)
-
-
-;; ISceneNode
-(define-class <scene-node> (<attribute-exchanging-object>)
- (irr-class #:init-value "ISceneNode"))
-
-(define-method (add-animator! (node <scene-node>) (animator <scene-node-animator>))
- (let ((addAnimator (get-irrlicht-proc "addAnimator" node)))
- (addAnimator node animator)))
-
-(define-method (get-absolute-transformation (node <scene-node>))
- (let ((getAbsoluteTransformation (get-irrlicht-proc "getAbsoluteTransformation" node)))
- (getAbsoluteTransformation node)))
-
-(define-method (get-position (node <scene-node>))
- (let ((getPosition (get-irrlicht-proc "getPosition" node)))
- (getPosition node)))
-
-(define-method (set-material-flag! (node <scene-node>) flag new-value)
- ((get-irrlicht-proc "setMaterialFlag" node)
- node
- flag
- new-value))
-
-(define-method (set-material-texture! (node <scene-node>) texture-layer (texture <texture>))
- ((get-irrlicht-proc "setMaterialTexture" node)
- node
- texture-layer
- texture))
-
-(define-method (set-position! (node <scene-node>) new-pos)
- (let ((setPosition (get-irrlicht-proc "setPosition" node)))
- (setPosition node new-pos)))
-
-(define-method (set-rotation! (node <scene-node>) rotation)
- (let ((setRotation (get-irrlicht-proc "setRotation" node)))
- (setRotation node rotation)))
-
-(define-method (set-scale! (node <scene-node>) scale)
- (let ((setScale (get-irrlicht-proc "setScale" node)))
- (setScale node scale)))
-
-(export <scene-node> add-animator! get-absolute-transformation get-position set-material-flag!
- set-material-texture! set-position! set-rotation! set-scale!)
-
-
-;; IAnimatedMeshSceneNode
-(define-class <animated-mesh-scene-node> (<scene-node>)
- (irr-class #:init-value "IAnimatedMeshSceneNode"))
-
-(define-method (set-animation-speed! (node <animated-mesh-scene-node>) frames-per-second)
- (let ((setAnimationSpeed (get-irrlicht-proc "setAnimationSpeed" node)))
- (setAnimationSpeed node frames-per-second)))
-
-(define-method (set-frame-loop! (node <animated-mesh-scene-node>) begin end)
- (let ((setFrameLoop (get-irrlicht-proc "setFrameLoop" node)))
- (setFrameLoop node begin end)))
-
-(define-method (set-md2-animation! (node <animated-mesh-scene-node>) anim)
- ((get-irrlicht-proc "setMD2Animation" node)
- node
- anim))
-
-(export <animated-mesh-scene-node> set-animation-speed! set-frame-loop! set-md2-animation!)
-
-
-;; ICameraSceneNode
-(define-class <camera-scene-node> (<scene-node>)
- (irr-class #:init-value "ICameraSceneNode"))
-
-(export <camera-scene-node>)
-
-
-;; IMeshSceneNode
-(define-class <mesh-scene-node> (<scene-node>)
- (irr-class #:init-value "IMeshSceneNode"))
-
-(export <mesh-scene-node>)
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