irrlicht/video.scm

   1 ;;; guile-irrlicht --- FFI bindings for Irrlicht Engine
   2 ;;; Copyright (C) 2020 Javier Sancho <jsf@jsancho.org>
   3 ;;;
   4 ;;; This file is part of guile-irrlicht.
   5 ;;;
   6 ;;; Guile-irrlicht is free software; you can redistribute it and/or modify
   7 ;;; it under the terms of the GNU Lesser General Public License as
   8 ;;; published by the Free Software Foundation; either version 3 of the
   9 ;;; License, or (at your option) any later version.
  10 ;;;
  11 ;;; Guile-irrlicht is distributed in the hope that it will be useful, but
  12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 ;;; General Public License for more details.
  15 ;;;
  16 ;;; You should have received a copy of the GNU Lesser General Public
  17 ;;; License along with guile-irrlicht.  If not, see
  18 ;;; <http://www.gnu.org/licenses/>.
  19
  20
  21 (define-module (irrlicht video)
  22   #:use-module (oop goops)
  23   #:use-module (ice-9 optargs)
  24   #:use-module (irrlicht base)
  25   #:use-module (irrlicht foreign))
  26
  27
  28 ;; ITexture
  29 (define-class <texture> (<irrlicht-base>)
  30   (irr-class #:init-value "ITexture"))
  31
  32 (export <texture>)
  33
  34
  35 ;; IVideoDriver
  36 (define-class <video-driver> (<irrlicht-base>)
  37   (irr-class #:init-value "IVideoDriver"))
  38
  39 (define-method (begin-scene (video-driver <video-driver>) . rest)
  40   (let-keywords rest #f
  41         ((back-buffer #t)
  42          (z-buffer #t)
  43          (color '(255 0 0 0))
  44          video-data
  45          source-rect)
  46     ((get-irrlicht-proc "beginScene" video-driver)
  47      video-driver
  48      back-buffer
  49      z-buffer
  50      color
  51      video-data
  52      source-rect)))
  53
  54 (define-method (end-scene (video-driver <video-driver>))
  55   ((get-irrlicht-proc "endScene" video-driver)
  56    video-driver))
  57
  58 (define-method (get-fps (video-driver <video-driver>))
  59   (let ((getFPS (get-irrlicht-proc "getFPS" video-driver)))
  60     (getFPS video-driver)))
  61
  62 (define-method (get-name (video-driver <video-driver>))
  63   (let ((getName (get-irrlicht-proc "getName" video-driver)))
  64     (getName video-driver)))
  65
  66 (define-method (get-texture (video-driver <video-driver>) filename)
  67   (make <texture>
  68     #:irr-pointer
  69     ((get-irrlicht-proc "getTexture" video-driver)
  70      video-driver
  71      filename)))
  72
  73 (export <video-driver> begin-scene end-scene get-fps get-name get-texture)
  74
  75
  76 ;; S3DVertex
  77 (define-class <vertex3d> (<irrlicht-base>)
  78   (irr-class #:init-value "S3DVertex"))
  79
  80 (define (make-vertex3d position normal color tcoords)
  81   (let ((S3DVertex_make (get-irrlicht-proc "S3DVertex_make")))
  82     (make <vertex3d>
  83       #:irr-pointer
  84       (S3DVertex_make position normal color tcoords))))
  85
  86 (export <vertex3d> make-vertex3d)
  87
  88
  89 ;; SMaterial
  90 (define-class <material> (<irrlicht-base>)
  91   (irr-class #:init-value "SMaterial"))
  92
  93 (define* (make-material #:key
  94                         (material-type 'solid)
  95                         (ambient-color '(255 255 255 255))
  96                         (diffuse-color '(255 255 255 255))
  97                         (emissive-color '(0 0 0 0))
  98                         (specular-color '(255 255 255 255))
  99                         (shininess 0)
 100                         (material-type-param 0)
 101                         (material-type-param-2 0)
 102                         (thickness 1)
 103                         (z-buffer 'less-equal)
 104                         (anti-aliasing 'simple)
 105                         (color-mask 'all)
 106                         (color-material 'diffuse)
 107                         (blend-operation 'none)
 108                         (polygon-offset-factor 0)
 109                         (polygon-offset-direction 'front)
 110                         (wireframe #f)
 111                         (point-cloud #f)
 112                         (gouraud-shading #t)
 113                         (lighting #t)
 114                         (z-write-enable #t)
 115                         (backface-culling #t)
 116                         (frontface-culling #f)
 117                         (fog-enable #f)
 118                         (normalize-normals #f)
 119                         (use-mip-maps #t))
 120   (let ((SMaterial_make (get-irrlicht-proc "SMaterial_make")))
 121     (make <material>
 122       #:irr-pointer
 123       (SMaterial_make #:material-type material-type #:ambient-color ambient-color
 124                       #:diffuse-color diffuse-color #:emissive-color emissive-color
 125                       #:specular-color specular-color #:shininess shininess
 126                       #:material-type-param material-type-param
 127                       #:material-type-param-2 material-type-param-2
 128                       #:thickness thickness #:z-buffer z-buffer #:anti-aliasing anti-aliasing
 129                       #:color-mask color-mask #:color-material color-material
 130                       #:blend-operation blend-operation
 131                       #:polygon-offset-factor polygon-offset-factor
 132                       #:polygon-offset-direction polygon-offset-direction
 133                       #:wireframe wireframe #:point-cloud point-cloud
 134                       #:gouraud-shading gouraud-shading #:lighting lighting
 135                       #:z-write-enable z-write-enable #:backface-culling backface-culling
 136                       #:frontface-culling frontface-culling #:fog-enable fog-enable
 137                       #:normalize-normals normalize-normals #:use-mip-maps use-mip-maps))))
 138
 139 (export <material> make-material)