(define-module (irrlicht video)
+ #:use-module (ice-9 match)
#:use-module (system foreign)
#:use-module ((irrlicht bindings core) #:prefix ffi-core:)
+ #:use-module ((irrlicht bindings scene) #:prefix ffi-scene:)
#:use-module ((irrlicht bindings video) #:prefix ffi-video:)
#:use-module (irrlicht util)
+ #:use-module (irrlicht util foreign)
#:export (begin-scene
+ draw-vertex-primitive-list
end-scene
get-fps
get-texture
- get-video-driver-name))
+ get-video-driver-name
+ set-material!
+ set-transform!
+ make-s3dvertex
+ vertex-position
+ make-material))
(define* (begin-scene driver
#:key
(ffi-video:begin-scene driver
(bool->integer back-buffer)
(bool->integer z-buffer)
- (make-c-struct ffi-video:scolor (reverse color))
+ (ffi-video:scolor->pointer color)
video-data
(if (null? source-rect)
%null-pointer
- (make-c-struct ffi-core:rect source-rect))))
+ (ffi-core:rect->pointer source-rect))))
+
+(define* (draw-vertex-primitive-list driver vertices index-list
+ #:key
+ (v-type 'standard)
+ (p-type 'triangles))
+ (define (make-c-vertices vertices)
+ (let ((vals (map (lambda (vertex)
+ (parse-c-struct (ffi-video:s3dvertex->pointer vertex)
+ ffi-video:s3dvertex))
+ vertices))
+ (types (make-list (length vertices) ffi-video:s3dvertex)))
+ (make-c-struct types vals)))
+
+ (define (make-c-indices indices)
+ (let* ((vals (apply append indices))
+ (types (make-list (length vals) int32)))
+ (make-c-struct types vals)))
+
+ (let ((vertices-pointer (make-c-vertices vertices))
+ (vertex-count (length vertices))
+ (indices-pointer (make-c-indices index-list))
+ (prim-count (length index-list))
+ (vertex-type
+ (match v-type
+ ('standard ffi-video:EVT_STANDARD)
+ ('2tcoords ffi-video:EVT_2TCOORDS)
+ ('tangents ffi-video:EVT_TANGENTS)))
+ (primitive-type
+ (match p-type
+ ('points ffi-scene:EPT_POINTS)
+ ('strip ffi-scene:EPT_LINE_STRIP)
+ ('line-loop ffi-scene:EPT_LINE_LOOP)
+ ('lines ffi-scene:EPT_LINES)
+ ('triangle-strip ffi-scene:EPT_TRIANGLE_STRIP)
+ ('triangle-fan ffi-scene:EPT_TRIANGLE_FAN)
+ ('triangles ffi-scene:EPT_TRIANGLES)
+ ('quad-strip ffi-scene:EPT_QUAD_STRIP)
+ ('quads ffi-scene:EPT_QUADS)
+ ('polygon ffi-scene:EPT_POLYGON)
+ ('point-sprites ffi-scene:EPT_POINT_SPRITES))))
+
+
+ (ffi-video:draw-vertex-primitive-list
+ driver
+ vertices-pointer
+ vertex-count
+ indices-pointer
+ prim-count
+ vertex-type
+ primitive-type
+ ffi-video:EIT_32BIT)))
(define (end-scene driver)
(ffi-video:end-scene driver))
(define (get-video-driver-name driver)
(pointer->string
(ffi-video:get-video-driver-name driver)))
+
+(define (set-material! driver material)
+ (ffi-video:set-material
+ driver
+ (ffi-video:smaterial->pointer material)))
+
+(define (set-transform! driver state mat)
+ (let ((transform-state
+ (match state
+ ('view ffi-video:ETS_VIEW)
+ ('world ffi-video:ETS_WORLD)
+ ('projection ffi-video:ETS_PROJECTION)
+ ('texture0 ffi-video:ETS_TEXTURE_0)
+ ('texture1 ffi-video:ETS_TEXTURE_1)
+ ('texture2 ffi-video:ETS_TEXTURE_2)
+ ('texture3 ffi-video:ETS_TEXTURE_3)
+ ('texture4 ffi-video:ETS_TEXTURE_4)
+ ('texture5 ffi-video:ETS_TEXTURE_5)
+ ('texture6 ffi-video:ETS_TEXTURE_6)
+ ('texture7 ffi-video:ETS_TEXTURE_7)
+ ('count ffi-video:ETS_COUNT))))
+ (ffi-video:set-transform
+ driver
+ transform-state
+ mat)))
+
+;; s3d vertices
+(define (make-s3dvertex position normal color t-coords)
+ (ffi-video:pointer->s3dvertex
+ (make-c-struct ffi-video:s3dvertex
+ (list position normal color t-coords))))
+
+(define (vertex-position vertex)
+ (let ((data (parse-c-struct (ffi-video:s3dvertex->pointer vertex)
+ ffi-video:s3dvertex)))
+ (car data)))
+
+;; smaterial
+(define* (make-material #:key (wireframe #f) (lighting #t))
+ (let ((material
+ (list
+ ;; textureLayer[4]
+ (list %null-pointer 0 0 0 0 0 0 %null-pointer %null-pointer)
+ (list %null-pointer 0 0 0 0 0 0 %null-pointer %null-pointer)
+ (list %null-pointer 0 0 0 0 0 0 %null-pointer %null-pointer)
+ (list %null-pointer 0 0 0 0 0 0 %null-pointer %null-pointer)
+ ffi-video:EMT_SOLID ; materialType
+ (list 255 255 255 255) ; ambientColor
+ (list 255 255 255 255) ; diffuseColor
+ (list 0 0 0 0) ; emissiveColor
+ (list 255 255 255 255) ; specularColor
+ 0 ; shininess
+ 0 ; materialTypeParam
+ 0 ; materialTypeParam2
+ 1 ; thickness
+ ffi-video:ECFN_LESSEQUAL ; zBuffer
+ ffi-video:EAAM_SIMPLE ; antiAliasing
+ (list
+ ffi-video:ECP_ALL ; colorMask
+ ffi-video:ECM_DIFFUSE ; colorMaterial
+ ffi-video:EBO_NONE ; blendOperation
+ 0 ; polygonOffsetFactor
+ ffi-video:EPO_FRONT ; polygonOffsetDirection
+ (bool->integer wireframe) ; wireframe
+ (bool->integer #f) ; pointCloud
+ (bool->integer #t) ; gouraudShading
+ (bool->integer lighting) ; lighting
+ (bool->integer #t) ; zWriteEnable
+ (bool->integer #t) ; backfaceCulling
+ (bool->integer #f) ; frontfaceCulling
+ (bool->integer #f) ; fogEnable
+ (bool->integer #f) ; normalizeNormals
+ (bool->integer #t) ; useMipMaps
+ ))))
+ (ffi-video:pointer->smaterial
+ ;; (make-c-struct+ ffi-video:smaterial material))))
+ (make-c-material))))
+
+(define-public (make-c-material)
+ (ffi-video:make-c-material))
projects / guile-irrlicht.git / blobdiff