From 4eb7b8f04ad278d49d632d62030b5fe648e3b97a Mon Sep 17 00:00:00 2001
From: Javier Sancho <jsf@jsancho.org>
Date: Sun, 2 Feb 2020 18:36:47 +0100
Subject: [PATCH] WIP: SMaterial and vertices

---
 irrlicht/bindings/core.scm  |  6 ++--
 irrlicht/bindings/video.scm | 60 +++++++++++++++++++++++++++++++++++--
 irrlicht/core.scm           |  6 ++++
 irrlicht/video.scm          |  3 +-
 4 files changed, 68 insertions(+), 7 deletions(-)

diff --git a/irrlicht/bindings/core.scm b/irrlicht/bindings/core.scm
index 59b05af..140506b 100644
--- a/irrlicht/bindings/core.scm
+++ b/irrlicht/bindings/core.scm
@@ -51,7 +51,7 @@
   (make-c-struct vector3df data))
 
 ;; aabbox3df struct
-(define-wrapped-pointer-type aabbox3df
+(define-wrapped-pointer-type aabbox3df-type
   aabbox3df?
   pointer->aabbox3df aabbox3df->pointer
   (lambda (box port)
@@ -60,12 +60,12 @@
 
 (export aabbox3df->pointer)
 
-(define aabbox3df-type
+(define-public aabbox3df
   (list vector3df vector3df))
 
 (define-public (make-aabbox3df)
   (pointer->aabbox3df
-   (make-c-struct aabbox3df-type '((0 0 0) (0 0 0)))))
+   (make-c-struct aabbox3df '((0 0 0) (0 0 0)))))
 
 (define-foreign aabbox3d-add-internal-point
   void "irr_core_aabbox3d_addInternalPoint" (list '* '*))
diff --git a/irrlicht/bindings/video.scm b/irrlicht/bindings/video.scm
index 7816686..0bdf0f0 100644
--- a/irrlicht/bindings/video.scm
+++ b/irrlicht/bindings/video.scm
@@ -79,7 +79,7 @@
   '* "irr_video_getName" (list '*))
 
 ;; s3dvertex struct
-(define-wrapped-pointer-type s3dvertex
+(define-wrapped-pointer-type s3dvertex-type
   s3dvertex?
   pointer->s3dvertex s3dvertex->pointer
   (lambda (vertex port)
@@ -88,7 +88,7 @@
 
 (export s3dvertex->pointer)
 
-(define s3dvertex-type
+(define-public s3dvertex
   (list ffi-core:vector3df
         ffi-core:vector3df
         scolor
@@ -96,4 +96,58 @@
 
 (define-public (make-s3dvertex position normal color t-coords)
   (pointer->s3dvertex
-   (make-c-struct s3dvertex-type (list position normal color t-coords))))
+   (make-c-struct s3dvertex (list position normal color t-coords))))
+
+(define-public (vertex-position vertex)
+  (let ((data (parse-c-struct (s3dvertex->pointer vertex) s3dvertex)))
+    (car data)))
+
+;; smateriallayer struct
+(define-public smateriallayer
+  (list '* uint8 uint8 uint8 uint8 uint8 int8 '* '*))
+
+;; smaterial struct
+(define-wrapped-pointer-type smaterial-type
+  smaterial?
+  pointer->smaterial smaterial->pointer
+  (lambda (material port)
+    (format port "#<smaterial ~x>"
+            (pointer-address (smaterial->pointer material)))))
+
+(export smaterial->pointer)
+
+(define-public smaterial
+  (list smateriallayer smateriallayer smateriallayer smateriallayer  ; textureLayer[4]
+        uint32  ; materialType
+        scolor  ; ambientColor
+        scolor  ; diffuseColor
+        scolor  ; emissiveColor
+        scolor  ; specularColor
+        float   ; shininess
+        float   ; materialTypeParam
+        float   ; materialTypeParam2
+        float   ; thickness
+        uint8   ; zBuffer
+        uint8   ; antiAliasing
+        (bit-field-group
+         (uint8 4)  ; colorMask:4
+         (uint8 3)  ; colorMaterial:3
+         (uint32 4) ; blendOperation:4
+         (uint8 3)  ; polygonOffsetFactor:3
+         (uint32 1) ; polygonOffsetDirection:1
+         (uint8 1)  ; wireframe:1
+         (uint8 1)  ; pointCloud:1
+         (uint8 1)  ; gouraudShading:1
+         (uint8 1)  ; lighting:1
+         (uint8 1)  ; zWriteEnable:1
+         (uint8 1)  ; backfaceCulling:1
+         (uint8 1)  ; frontfaceCulling:1
+         (uint8 1)  ; fogEnable:1
+         (uint8 1)  ; normalizeNormals:1
+         (uint8 1)  ; useMipMaps:1
+        )))
+
+;; (define-public (make-material #:key
+;;                               (wireframe #f)
+;;                               (lighting #t))
+;;   material)
diff --git a/irrlicht/core.scm b/irrlicht/core.scm
index 1fa5497..7bc6208 100644
--- a/irrlicht/core.scm
+++ b/irrlicht/core.scm
@@ -20,4 +20,10 @@
 
 (define-module (irrlicht core)
   #:use-module ((irrlicht bindings core) #:prefix ffi-core:)
+  #:export (aabbox3d-reset!)
   #:re-export ((ffi-core:make-aabbox3df . make-aabbox3df)))
+
+(define (aabbox3d-reset! box init-value)
+  (ffi-core:aabbox3d-reset
+   (ffi-core:aabbox3df->pointer box)
+   (ffi-core:vector3df->pointer init-value)))
diff --git a/irrlicht/video.scm b/irrlicht/video.scm
index 36ea0ec..b0f48d9 100644
--- a/irrlicht/video.scm
+++ b/irrlicht/video.scm
@@ -28,7 +28,8 @@
             get-fps
             get-texture
             get-video-driver-name)
-  #:re-export ((ffi-video:make-s3dvertex . make-s3dvertex)))
+  #:re-export ((ffi-video:make-s3dvertex . make-s3dvertex)
+               (ffi-video:vertex-position . vertex-position)))
 
 (define* (begin-scene driver
                       #:key
-- 
2.39.2