;;; guile-irrlicht --- FFI bindings for Irrlicht Engine
-;;; Copyright (C) 2019 Javier Sancho <jsf@jsancho.org>
+;;; Copyright (C) 2020 Javier Sancho <jsf@jsancho.org>
;;;
;;; This file is part of guile-irrlicht.
;;;
(define-module (irrlicht scene)
- #:export (add-animated-mesh-scene-node
- get-mesh
- set-material-flag!))
-
-(load-extension "libguile-irrlicht" "init_guile_irrlicht")
-
-(define irr-add-animated-mesh-scene-node add-animated-mesh-scene-node)
-(define* (add-animated-mesh-scene-node scene-manager mesh
- #:key
- (parent #f)
- (id -1)
- (position '(0 0 0))
- (rotation '(0 0 0))
- (scale '(1 1 1))
- (also-add-if-mesh-pointer-zero #f))
- (irr-add-animated-mesh-scene-node scene-manager
- mesh
- parent
- id
- position
- rotation
- scale
- also-add-if-mesh-pointer-zero))
+ #:use-module (oop goops)
+ #:use-module (ice-9 optargs)
+ #:use-module (irrlicht base)
+ #:use-module (irrlicht foreign)
+ #:use-module (irrlicht io)
+ #:use-module (irrlicht irr)
+ #:use-module (irrlicht video))
+
+
+;; 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 (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)))
+
+(export <scene-node> add-animator! get-absolute-transformation set-material-flag!
+ set-material-texture! set-position!)
+
+
+;; 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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