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 ;; SMaterial
  36 (define-class <material> (<irrlicht-base>)
  37   (irr-class #:init-value "SMaterial"))
  38
  39 (define* (make-material #:key
  40                         (material-type 'solid)
  41                         (ambient-color '(255 255 255 255))
  42                         (diffuse-color '(255 255 255 255))
  43                         (emissive-color '(0 0 0 0))
  44                         (specular-color '(255 255 255 255))
  45                         (shininess 0)
  46                         (material-type-param 0)
  47                         (material-type-param-2 0)
  48                         (thickness 1)
  49                         (z-buffer 'less-equal)
  50                         (anti-aliasing 'simple)
  51                         (color-mask 'all)
  52                         (color-material 'diffuse)
  53                         (blend-operation 'none)
  54                         (polygon-offset-factor 0)
  55                         (polygon-offset-direction 'front)
  56                         (wireframe #f)
  57                         (point-cloud #f)
  58                         (gouraud-shading #t)
  59                         (lighting #t)
  60                         (z-write-enable #t)
  61                         (backface-culling #t)
  62                         (frontface-culling #f)
  63                         (fog-enable #f)
  64                         (normalize-normals #f)
  65                         (use-mip-maps #t))
  66   (let ((SMaterial_make (get-irrlicht-proc "SMaterial_make")))
  67     (make <material>
  68       #:irr-pointer
  69       (SMaterial_make #:material-type material-type #:ambient-color ambient-color
  70                       #:diffuse-color diffuse-color #:emissive-color emissive-color
  71                       #:specular-color specular-color #:shininess shininess
  72                       #:material-type-param material-type-param
  73                       #:material-type-param-2 material-type-param-2
  74                       #:thickness thickness #:z-buffer z-buffer #:anti-aliasing anti-aliasing
  75                       #:color-mask color-mask #:color-material color-material
  76                       #:blend-operation blend-operation
  77                       #:polygon-offset-factor polygon-offset-factor
  78                       #:polygon-offset-direction polygon-offset-direction
  79                       #:wireframe wireframe #:point-cloud point-cloud
  80                       #:gouraud-shading gouraud-shading #:lighting lighting
  81                       #:z-write-enable z-write-enable #:backface-culling backface-culling
  82                       #:frontface-culling frontface-culling #:fog-enable fog-enable
  83                       #:normalize-normals normalize-normals #:use-mip-maps use-mip-maps))))
  84
  85 (export <material> make-material)
  86
  87
  88 ;; IVideoDriver
  89 (define-class <video-driver> (<irrlicht-base>)
  90   (irr-class #:init-value "IVideoDriver"))
  91
  92 (define-method (begin-scene (video-driver <video-driver>) . rest)
  93   (let-keywords rest #f
  94         ((back-buffer #t)
  95          (z-buffer #t)
  96          (color '(255 0 0 0))
  97          video-data
  98          source-rect)
  99     ((get-irrlicht-proc "beginScene" video-driver)
 100      video-driver
 101      back-buffer
 102      z-buffer
 103      color
 104      video-data
 105      source-rect)))
 106
 107 (define-method (draw-vertex-primitive-list (video-driver <video-driver>) vertices indices . rest)
 108   (let-keywords rest #f
 109         ((v-type 'standard)
 110          (p-type 'triangles))
 111     (let ((drawVertexPrimitiveList (get-irrlicht-proc "drawVertexPrimitiveList" video-driver)))
 112       (drawVertexPrimitiveList video-driver vertices indices v-type p-type))))
 113
 114 (define-method (end-scene (video-driver <video-driver>))
 115   ((get-irrlicht-proc "endScene" video-driver)
 116    video-driver))
 117
 118 (define-method (get-fps (video-driver <video-driver>))
 119   (let ((getFPS (get-irrlicht-proc "getFPS" video-driver)))
 120     (getFPS video-driver)))
 121
 122 (define-method (get-name (video-driver <video-driver>))
 123   (let ((getName (get-irrlicht-proc "getName" video-driver)))
 124     (getName video-driver)))
 125
 126 (define-method (get-texture (video-driver <video-driver>) filename)
 127   (make <texture>
 128     #:irr-pointer
 129     ((get-irrlicht-proc "getTexture" video-driver)
 130      video-driver
 131      filename)))
 132
 133 (define-method (set-material! (video-driver <video-driver>) (material <material>))
 134   (let ((setMaterial (get-irrlicht-proc "setMaterial" video-driver)))
 135     (setMaterial video-driver material)))
 136
 137 (define-method (set-transform! (video-driver <video-driver>) state mat)
 138   (let ((setTransform (get-irrlicht-proc "setTransform" video-driver)))
 139     (setTransform video-driver state mat)))
 140
 141 (export <video-driver> begin-scene draw-vertex-primitive-list end-scene get-fps get-name get-texture
 142         set-material! set-transform!)
 143
 144
 145 ;; S3DVertex
 146 (define-class <vertex3d> (<irrlicht-base>)
 147   (irr-class #:init-value "S3DVertex"))
 148
 149 (define-method (get-position (vertex3d <vertex3d>))
 150   (let ((S3DVertex_Pos (get-irrlicht-proc "S3DVertex_Pos")))
 151     (S3DVertex_Pos vertex3d)))
 152
 153 (define (make-vertex3d position normal color tcoords)
 154   (let ((S3DVertex_make (get-irrlicht-proc "S3DVertex_make")))
 155     (make <vertex3d>
 156       #:irr-pointer
 157       (S3DVertex_make position normal color tcoords))))
 158
 159 (export <vertex3d> get-position make-vertex3d)