diff options
| -rw-r--r-- | sly/mode.scm | 22 | ||||
| -rw-r--r-- | sly/scene-graph.scm | 217 |
2 files changed, 0 insertions, 239 deletions
diff --git a/sly/mode.scm b/sly/mode.scm deleted file mode 100644 index eea3068..0000000 --- a/sly/mode.scm +++ /dev/null @@ -1,22 +0,0 @@ -(define-module (sly mode) - #:use-module (srfi srfi-9)) - -(define-record-type <mode> - (make-mode module vars) - mode? - (module mode-module) - (vars mode-vars)) - -(define foo-mode - (make-mode - (current-module) - (variables - ((foo 100))))) - -(define-mode foo-mode - ) - -(module-define! (current-module) 'foo 10) -foo - -(make-variable) diff --git a/sly/scene-graph.scm b/sly/scene-graph.scm deleted file mode 100644 index de191fe..0000000 --- a/sly/scene-graph.scm +++ /dev/null @@ -1,217 +0,0 @@ -;;; Sly -;;; Copyright (C) 2014 David Thompson <dthompson2@worcester.edu> -;;; -;;; This program is free software: you can redistribute it and/or -;;; modify it under the terms of the GNU General Public License as -;;; published by the Free Software Foundation, either version 3 of the -;;; License, or (at your option) any later version. -;;; -;;; This program is distributed in the hope that it will be useful, -;;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -;;; General Public License for more details. -;;; -;;; You should have received a copy of the GNU General Public License -;;; along with this program. If not, see -;;; <http://www.gnu.org/licenses/>. - -;;; Commentary: -;; -;; Scene graph API. -;; -;;; Code: - -(define-module (sly scene-graph) - #:use-module (ice-9 hash-table) - #:use-module (ice-9 match) - #:use-module (srfi srfi-1) - #:use-module (srfi srfi-9) - #:use-module (srfi srfi-26) - #:use-module (gl) - #:use-module (sly wrappers gl) - #:use-module (sly color) - #:use-module (sly rect) - #:use-module (sly signal) - #:use-module (sly transform) - #:use-module (sly vector) - #:export (make-scene-node - scene-node? - scene-node-transform - scene-node-color - scene-node-texture - scene-node-shader - scene-node-arrays - scene-node-children - draw-scene-node)) - -;; Types of scene nodes: -;; - Group: position, scale, rotation, children -;; - Vertices: vertex arrays + style (shader, texture) - -;; All nodes have the following -;; - transform -;; - children -;; - shader -;; - texture -;; - vertex array - -;; (define (sprite) -;; (make-scene-node #:transform (make-transform* #:translate (vector2 100 100)) -;; #:color white -;; #:texture (load-texture "images/p1_front.png") -;; #:arrays `((vertex float ,vertices -;; #:stride ,texture-vertex-size -;; #:offset ,x-offset) -;; (texture float ,vertices -;; #:stride ,texture-vertex-size -;; #:offset ,s-offset)) -;; #:shader sprite-shader)) - -;;; -;;; Meshes -;;; - -(define-vertex sprite-vertex - (position vector2) - (texcoord vector2)) - - - -(define-record-type <geometry> - (make-geometry primitive size arrays) - geometry? - (primitive geometry-primitive) - (size geometry-size) - (arrays geometry-arrays)) - -(define gl-primitives - (alist->hash-table - '((points . 0) - (lines . 1) - (line-loop . 2) - (line-strip . 3) - (triangles . 4) - (triangle-strip . 5) - (triangle-fan . 6) - (quads . 7) - (quad-strip . 8) - (polygon . 9)))) - -(define gl-arrays - (alist->hash-table - '((vertex-array . 32884) - (normal-array . 32885) - (color-array . 32886) - (index-array . 32887) - (texture-coord-array . 32888) - (edge-flag-array . 32889)))) - -(define gl-types - (alist->hash-table - '((byte . 5120) - (unsigned-byte . 5121) - (short . 5122) - (unsigned-short . 5123) - (int . 5124) - (unsigned-int . 5125) - (float . 5126) - (#{2-bytes}# . 5127) - (#{3-bytes}# . 5128) - (#{4-bytes}# . 5129) - (double . 5130) - (double-ext . 5130)))) - -(define (draw-geometry geometry) - (define (iter arrays) - (cond - ((null? arrays) - (let ((primitive (hash-ref gl-primitives (geometry-primitive geometry)))) - (gl-draw-arrays primitive 0 (geometry-size geometry)))) - (else - (match (car arrays) - ((array-type data-type vertices . rest) - (with-gl-client-state (hash-ref gl-arrays array-type) - (set-gl-vertex-array (hash-ref gl-types data-type) vertices) - (iter (cdr arrays)))))))) - (iter (geometry-arrays geometry))) - -(define foo - '(vertex float #(1 2 3 4) #:stride 4 #:offset 8)) - -(match foo - ((array-type data-type vertices . kwargs) - (format #t "~a ~a ~a\n" array-type data-type vertices) - (let lp ((kwargs kwargs)) - (match kwargs - ((key value . rest) - (format #t "~a - ~a\n" key value) - (lp rest)) - (_ #f))))) - -(define-record-type <scene-node> - (%make-scene-node transform color texture shader arrays children) - scene-node? - (transform scene-node-transform) - (color scene-node-color) - (texture scene-node-texture) - (shader scene-node-shader) - (arrays scene-node-arrays) - (primitive scene-node-primitive) - (children scene-node-children)) - -(define* (make-scene-node #:optional #:key (transform identity-transform) - (color white) (texture #f) (shader #f) - (arrays '()) (children '())) - (%make-scene-node transform color texture shader arrays children)) - -(define* (draw-scene-node node #:optional (transform identity-transform)) - (let ((transform (transform* transform (scene-node-transform node)))) - ;; WRITEME - (for-each (cut draw-scene-node <> transform) - (scene-node-children node)))) - -(define (draw-arrays node) - #f) - -;; (define (draw-sprite transform) -;; (display "drew a sprite\n")) - -;; (define (draw-label transform) -;; (display "drew a label\n")) - -;; (define s -;; (make-scene-node -;; #:position (vector2 100 100) -;; #:size (vector2 200 200) -;; #:proc draw-sprite -;; #:children -;; (list (make-scene-node -;; #:position (vector2 50 50) -;; #:size (vector2 50 50) -;; #:rotation 45 -;; #:proc draw-label)))) - -;; (draw-scene-node s) - -;; (define scene -;; (scene-graph -;; (sprite -;; (position (vector2 320 240)) -;; (texture "logo.png") -;; (anchor 'center)) -;; (label -;; (position (vector2 320 160)) -;; (text "Some Really Awesome Game") -;; (anchor 'bottom-center)) -;; (group -;; (position (vector2 160 300)) -;; (children -;; (sprite -;; (position (vector2 16 16)) -;; (texture "load-game.png")) -;; (sprite -;; (position (vector2 64 16)) -;; (texture "new-game.png")) -;; (sprite -;; (position (vector2 96 16)) -;; (texture "options.png")))))) |