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draw-list.lisp
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(in-package :krma)
(eval-when (:compile-toplevel :load-toplevel)
(when *muffle-compilation-notes*
#+sbcl(declaim (sb-ext:muffle-conditions sb-ext:compiler-note))))
#+NIL
(eval-when (:compile-toplevel :load-toplevel)
(when krma::*debug*
(declaim (optimize (safety 3) (debug 3))))
(unless krma::*debug*
(declaim (optimize (speed 3) (safety 0) (debug 0)))
(declaim (inline %draw-list-draw-2d-point))
(declaim (inline %draw-list-add-2d-point))
(declaim (inline %draw-list-draw-3d-point))
(declaim (inline %draw-list-add-3d-point))
(declaim (inline %draw-list-draw-2d-line))
(declaim (inline %draw-list-add-2d-line))
(declaim (inline %draw-list-draw-3d-line))
(declaim (inline %draw-list-add-3d-line))
(declaim (inline %draw-list-draw-2d-polyline))
(declaim (inline %draw-list-draw-2d-rectangle))
(declaim (inline %draw-list-add-2d-polyline))
(declaim (inline %draw-list-add-2d-rectangle))
(declaim (inline %draw-list-draw-multicolor-2d-polyline))
(declaim (inline %draw-list-add-multicolor-2d-polyline))
(declaim (inline %draw-list-draw-2d-line-list))
(declaim (inline %draw-list-add-2d-line-list))
(declaim (inline %draw-list-draw-2d-circular-arc))
(declaim (inline %draw-list-add-2d-circular-arc))
(declaim (inline %draw-list-draw-2d-circle))
(declaim (inline %draw-list-add-2d-circle))
(declaim (inline %draw-list-draw-3d-polyline))
(declaim (inline %draw-list-add-3d-polyline))
(declaim (inline %draw-list-draw-multicolor-3d-polyline))
(declaim (inline %draw-list-add-multicolor-3d-polyline))
(declaim (inline %draw-list-draw-filled-2d-triangle-list))
(declaim (inline %draw-list-add-filled-2d-triangle-strip/list))
(declaim (inline %draw-list-draw-filled-2d-rectangle-list))
(declaim (inline %draw-list-add-filled-2d-rectangle-list))
(declaim (inline %draw-list-draw-textured-2d-rectangle-list))
(declaim (inline %draw-list-add-textured-2d-rectangle-list))
(declaim (inline %draw-list-draw-filled-2d-convex-polygon))
(declaim (inline %draw-list-add-filled-2d-convex-polygon))
(declaim (inline %draw-list-draw-filled-3d-triangle-strip/list))
(declaim (inline %draw-list-add-filled-3d-triangle-strip/list))
(declaim (inline %draw-list-draw-filled-3d-triangle-strip/list-with-normals))
(declaim (inline %draw-list-add-filled-3d-triangle-strip/list-with-normals))
(declaim (inline %draw-list-draw-multicolor-3d-triangle-strip/list-with-normals))
(declaim (inline %draw-list-add-multicolor-3d-triangle-strip/list-with-normals))
(declaim (inline %draw-list-draw-textured-3d-triangle-strip/list))
(declaim (inline %draw-list-add-textured-3d-triangle-strip/list))
(declaim (inline %draw-list-draw-textured-3d-triangle-strip/list-with-normals))
(declaim (inline %draw-list-add-textured-3d-triangle-strip/list-with-normals))
(declaim (inline %draw-list-draw-multicolor-3d-convex-polygon-with-normals))
(declaim (inline %draw-list-add-multicolor-3d-convex-polygon-with-normals))
(declaim (inline %draw-list-draw-multicolor-3d-convex-polygon))
(declaim (inline %draw-list-add-multicolor-3d-convex-polygon))
(declaim (inline %draw-list-draw-filled-3d-convex-polygon-with-normals))
(declaim (inline %draw-list-add-filled-3d-convex-polygon-with-normals))
(declaim (inline %draw-list-draw-filled-3d-convex-polygon))
(declaim (inline %draw-list-add-filled-3d-convex-polygon))
(declaim (inline %draw-list-draw-filled-sphere))
(declaim (inline %draw-list-add-filled-sphere))
(declaim (inline %prim-reserve))))
(defmacro with-draw-list-transaction ((fn-name draw-list first-index initial-vtx-offset)
&body body)
(let ((draw-list-sym (gensym)))
`(let ((,draw-list-sym ,draw-list))
(handler-case
(progn ,@body)
(error (c)
(warn (concatenate 'string "While in " ,(symbol-name fn-name) ": " (princ-to-string c)))
;;(break)
(setf (foreign-array-fill-pointer (draw-list-index-array ,draw-list-sym)) ,first-index
(foreign-array-fill-pointer (draw-list-vertex-array ,draw-list-sym)) ,initial-vtx-offset)
nil)))))
(defun %draw-list-draw-2d-point (2d-draw-list ub32-oid ub32-color sf-elevation sf-x sf-y)
;; for point-list-pipeline
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type single-float sf-x sf-y))
(with-slots (vertex-array index-array) 2d-draw-list
(let ((first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array)))
(with-draw-list-transaction (%draw-list-draw-2d-point 2d-draw-list first-index vtx-offset)
(let ((offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid sf-x sf-y sf-elevation ub32-color)))
(index-array-push-extend index-array offset)
(values))))))
(defun %draw-list-add-2d-point (2d-draw-list ub32-oid atom-group model-mtx sf-point-size ub32-color sf-elevation sf-x sf-y)
;; for point-list-pipeline
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type single-float sf-x sf-y))
(with-slots (vertex-array index-array) 2d-draw-list
(let ((first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array)))
(with-draw-list-transaction (%draw-list-add-2d-point 2d-draw-list first-index vtx-offset)
(standard-3d-vertex-array-push-extend vertex-array ub32-oid sf-x sf-y sf-elevation ub32-color)
(index-array-push-extend index-array 0)
(let ((cmd (make-standard-draw-indexed-cmd
2d-draw-list
first-index 1 vtx-offset
atom-group model-mtx nil *white-texture* sf-point-size nil nil sf-elevation)))
(vector-push-extend cmd (draw-list-cmd-vector 2d-draw-list))
cmd)))))
(defun %draw-list-draw-3d-point (3d-draw-list ub32-oid ub32-color sf-x sf-y sf-z)
;; for point-list pipeline
(declare (type 3d-vertex-draw-list-mixin 3d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type single-float sf-x sf-y sf-z))
(with-slots (vertex-array index-array) 3d-draw-list
(let ((first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array)))
(with-draw-list-transaction (%draw-list-draw-3d-point 3d-draw-list first-index vtx-offset)
(let ((offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid sf-x sf-y sf-z ub32-color)))
(index-array-push-extend index-array offset)
(values))))))
(defun %draw-list-add-3d-point (3d-draw-list ub32-oid atom-group model-mtx sf-point-size ub32-color sf-x sf-y sf-z)
;; for point-list-pipeline
(declare (type 3d-vertex-draw-list-mixin 3d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type single-float sf-x sf-y))
(with-slots (vertex-array index-array) 3d-draw-list
(let ((first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array)))
(with-draw-list-transaction (%draw-list-add-3d-point 3d-draw-list first-index vtx-offset)
(standard-3d-vertex-array-push-extend vertex-array ub32-oid sf-x sf-y sf-z ub32-color)
(index-array-push-extend index-array 0)
(let ((cmd (make-standard-draw-indexed-cmd
3d-draw-list
first-index 1 vtx-offset
atom-group model-mtx nil *white-texture* sf-point-size nil nil)))
(vector-push-extend cmd (draw-list-cmd-vector 3d-draw-list))
cmd)))))
(defun %draw-list-draw-2d-line (2d-draw-list ub32-oid ub32-color sf-elevation sf-x0 sf-y0 sf-x1 sf-y1)
;; for line-list pipeline
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type single-float sf-x0 sf-y0 sf-x1 sf-y1))
(let* ((ia (draw-list-index-array 2d-draw-list))
(va (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer ia))
(vtx-offset (foreign-array-fill-pointer va)))
(with-draw-list-transaction (%draw-list-draw-2d-line 2d-draw-list first-index vtx-offset)
(let ((offset0 (standard-3d-vertex-array-push-extend va ub32-oid sf-x0 sf-y0 sf-elevation ub32-color))
(offset1 (standard-3d-vertex-array-push-extend va ub32-oid sf-x1 sf-y1 sf-elevation ub32-color)))
(index-array-push-extend ia offset0)
(index-array-push-extend ia offset1)
(values)))))
(defun %draw-list-add-2d-line (2d-draw-list ub32-oid atom-group model-mtx sf-line-thickness ub32-color sf-elevation sf-x0 sf-y0 sf-x1 sf-y1)
;; for line-list pipeline
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type single-float sf-x0 sf-y0 sf-x1 sf-y1))
(let* ((ia (draw-list-index-array 2d-draw-list))
(va (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer ia))
(vtx-offset (foreign-array-fill-pointer va)))
(with-draw-list-transaction (%draw-list-add-2d-line 2d-draw-list first-index vtx-offset)
(standard-3d-vertex-array-push-extend va ub32-oid sf-x0 sf-y0 sf-elevation ub32-color)
(standard-3d-vertex-array-push-extend va ub32-oid sf-x1 sf-y1 sf-elevation ub32-color)
(index-array-push-extend ia 0)
(index-array-push-extend ia 1)
(let ((cmd (make-standard-draw-indexed-cmd
2d-draw-list
first-index 2 vtx-offset
atom-group model-mtx nil *white-texture* nil sf-line-thickness nil sf-elevation)))
(vector-push-extend cmd (draw-list-cmd-vector 2d-draw-list))
cmd))))
(defun %draw-list-draw-3d-line (3d-draw-list ub32-oid ub32-color sf-x0 sf-y0 sf-z0 sf-x1 sf-y1 sf-z1)
;; for line-list pipeline
(declare (type 3d-vertex-draw-list-mixin 3d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type single-float sf-x0 sf-y0 sf-z0 sf-x1 sf-y1 sf-z1))
(let* ((ia (draw-list-index-array 3d-draw-list))
(va (draw-list-vertex-array 3d-draw-list))
(first-index (foreign-array-fill-pointer ia))
(vtx-offset (foreign-array-fill-pointer va)))
(with-draw-list-transaction (%draw-list-draw-3d-line 3d-draw-list first-index vtx-offset)
(let ((offset0 (standard-3d-vertex-array-push-extend va ub32-oid sf-x0 sf-y0 sf-z0 ub32-color))
(offset1 (standard-3d-vertex-array-push-extend va ub32-oid sf-x1 sf-y1 sf-z1 ub32-color)))
(index-array-push-extend ia offset0)
(index-array-push-extend ia offset1)
(values)))))
(defun %draw-list-add-3d-line (3d-draw-list ub32-oid atom-group model-mtx sf-line-thickness ub32-color
sf-x0 sf-y0 sf-z0 sf-x1 sf-y1 sf-z1)
;; for line-list pipeline
(declare (type 3d-vertex-draw-list-mixin 3d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type single-float sf-x0 sf-y0 sf-z0 sf-x1 sf-y1 sf-z1))
(let* ((ia (draw-list-index-array 3d-draw-list))
(va (draw-list-vertex-array 3d-draw-list))
(first-index (foreign-array-fill-pointer ia))
(vtx-offset (foreign-array-fill-pointer va)))
(with-draw-list-transaction (%draw-list-add-3d-line 3d-draw-list first-index vtx-offset)
(standard-3d-vertex-array-push-extend va ub32-oid sf-x0 sf-y0 sf-z0 ub32-color)
(standard-3d-vertex-array-push-extend va ub32-oid sf-x1 sf-y1 sf-z1 ub32-color)
(index-array-push-extend ia 0)
(index-array-push-extend ia 1)
(let ((cmd (make-standard-draw-indexed-cmd
3d-draw-list
first-index 2 vtx-offset
atom-group model-mtx nil *white-texture* nil sf-line-thickness nil)))
(vector-push-extend cmd (draw-list-cmd-vector 3d-draw-list))
cmd))))
(defun %draw-list-draw-2d-polyline (2d-draw-list ub32-oid bool-closed? ub32-color sf-elevation seq-vertices)
;; for line-list pipeline
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type boolean bool-closed?))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type sequence seq-vertices))
;; there must be at least one vertex to succeed
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(number-of-vertices 0)
(offset -1))
(declare (type fixnum vtx-offset number-of-vertices offset))
(with-draw-list-transaction (%draw-list-draw-2d-polyline 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x1 y1) on (cddr seq-vertices) by #'cddr
for (x0 y0) on seq-vertices by #'cddr
do (setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 sf-elevation ub32-color))
(index-array-push-extend index-array offset)
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 sf-elevation ub32-color))
(index-array-push-extend index-array offset)
(incf number-of-vertices 2)
finally (assert (>= number-of-vertices 2))
(when bool-closed?
(index-array-push-extend index-array offset)
(index-array-push-extend index-array vtx-offset))
(return (values))))))))
(defun %draw-list-draw-2d-rectangle (2d-draw-list ub32-oid ub32-color sf-elevation sf-x0 sf-y0 sf-x1 sf-y1)
;; for line-list pipeline
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type single-float sf-x0 sf-y0 sf-x1 sf-y1))
(%draw-list-draw-2d-polyline 2d-draw-list ub32-oid t ub32-color sf-elevation
(list sf-x0 sf-y0 sf-x0 sf-y1 sf-x1 sf-y1 sf-x1 sf-y0)))
(defun %draw-list-add-2d-polyline (2d-draw-list ub32-oid atom-group model-mtx bool-closed?
sf-line-thickness ub32-color sf-elevation seq-vertices)
;; for line-strip pipeline
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type boolean bool-closed?))
(declare (type single-float sf-line-thickness))
(declare (type sequence seq-vertices))
;; there must be at least one vertex to succeed
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(first-index (foreign-array-fill-pointer index-array))
(elem-count 0))
(declare (type fixnum elem-count))
(with-draw-list-transaction (%draw-list-add-2d-polyline 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x y) on seq-vertices by #'cddr
do (setq x (clampf x))
(setq y (clampf y))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x y sf-elevation ub32-color)
(index-array-push-extend index-array elem-count)
(incf elem-count)
finally (when bool-closed?
(index-array-push-extend index-array 0)
(incf elem-count)))))
(assert (>= elem-count 2))
(let ((cmd (make-standard-draw-indexed-cmd
2d-draw-list
first-index elem-count vtx-offset
atom-group model-mtx nil *white-texture* nil sf-line-thickness nil sf-elevation)))
(vector-push-extend cmd (draw-list-cmd-vector 2d-draw-list))
cmd))))
(defun %draw-list-add-2d-rectangle (2d-draw-list ub32-oid atom-group model-mtx sf-line-thickness ub32-color sf-elevation
sf-x0 sf-y0 sf-x1 sf-y1)
;; for line-strip pipeline
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-color))
(declare (type single-float sf-x0 sf-y0 sf-x1 sf-y1))
(%draw-list-add-2d-polyline 2d-draw-list ub32-oid atom-group model-mtx t sf-line-thickness sf-elevation
ub32-color (list sf-x0 sf-y0 sf-x0 sf-y1 sf-x1 sf-y1 sf-x1 sf-y0)))
;; the argument `seq-vertices' is a cl sequence of x y color ... repeating
(defun %draw-list-draw-multicolor-2d-polyline (2d-draw-list ub32-oid bool-closed? sf-elevation seq-vertices)
;; uses line-list
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type boolean bool-closed?))
(declare (type sequence seq-vertices))
;; there must be at least one vertex to succeed
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(offset -1)
(number-of-vertices 0))
(declare (type fixnum vtx-offset offset number-of-vertices))
(with-draw-list-transaction (%draw-list-draw-multicolor-2d-polyline 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x1 y1 color1) on (cdddr seq-vertices) by #'cdddr
for (x0 y0 color0) on seq-vertices by #'cdddr
do (setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq color0 (canonicalize-color color0))
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(setq color1 (canonicalize-color color1))
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 sf-elevation color0))
(index-array-push-extend index-array offset)
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 sf-elevation color1))
(index-array-push-extend index-array offset)
(incf number-of-vertices 2)
finally (assert (>= number-of-vertices 2))
(when bool-closed?
(index-array-push-extend index-array offset)
(index-array-push-extend index-array vtx-offset))
(return (values))))))))
(defun %draw-list-add-multicolor-2d-polyline (2d-draw-list ub32-oid atom-group model-mtx bool-closed? sf-line-thickness sf-elevation
seq-vertices)
;; uses line-strip
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type boolean bool-closed?))
(declare (type single-float sf-line-thickness))
(declare (type sequence seq-vertices))
;; there must be at least one vertex to succeed
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(cmd-vector (draw-list-cmd-vector 2d-draw-list))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(first-index (foreign-array-fill-pointer index-array))
(elem-count 0))
(declare (type fixnum elem-count))
(with-draw-list-transaction (%draw-list-add-multicolor-2d-polyline 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x y color) on seq-vertices by #'cdddr
do (setq x (clampf x))
(setq y (clampf y))
(setq color (canonicalize-color color))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x y sf-elevation color)
(index-array-push-extend index-array elem-count)
(incf elem-count)
finally (when bool-closed?
(index-array-push-extend index-array 0)
(incf elem-count)))))
(assert (>= elem-count 2))
(let ((cmd (make-standard-draw-indexed-cmd
2d-draw-list
first-index elem-count vtx-offset
atom-group model-mtx nil *white-texture* nil sf-line-thickness nil sf-elevation)))
(vector-push-extend cmd cmd-vector)
cmd))))
(defun %draw-list-draw-2d-line-list (2d-draw-list ub32-oid ub32-color sf-elevation seq-vertices)
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type sequence seq-vertices))
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list)))
(declare (type foreign-adjustable-array index-array vertex-array))
(let ((first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array)))
(with-draw-list-transaction (%draw-list-draw-2d-line-list 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(when (cdddr seq-vertices)
(loop for (x0 y0 x1 y1) on seq-vertices by #'cddddr
do (setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(let ((offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 sf-elevation ub32-color)))
(index-array-push-extend index-array offset))
(let ((offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 sf-elevation ub32-color)))
(index-array-push-extend index-array offset))
finally (return (values))))))))))
(defun %draw-list-add-2d-line-list (2d-draw-list ub32-oid atom-group model-mtx sf-line-thickness ub32-color sf-elevation seq-vertices)
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type sequence seq-vertices))
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(cmd-vector (draw-list-cmd-vector 2d-draw-list))
(elem-count 0))
(declare (type fixnum elem-count))
(with-draw-list-transaction (%draw-list-add-2d-line-list 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(when (cdddr seq-vertices)
(loop for (x0 y0 x1 y1) on seq-vertices by #'cddddr
do (setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 sf-elevation ub32-color)
(index-array-push-extend index-array elem-count)
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 sf-elevation ub32-color)
(index-array-push-extend index-array (1+ elem-count))
(incf elem-count 2)))))
(let ((cmd (make-standard-draw-indexed-cmd
2d-draw-list
first-index elem-count vtx-offset
atom-group model-mtx nil *white-texture* nil sf-line-thickness nil sf-elevation)))
(vector-push-extend cmd cmd-vector)
cmd))))
(defun %draw-list-draw-2d-circular-arc (2d-draw-list ub32-oid bool-closed? ub32-color sf-elevation
df-center-x df-center-y df-radius df-start-angle df-end-angle
fixnum-number-of-segments)
;; uses line list instead of line strip
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type boolean bool-closed?))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type double-float df-center-x df-center-y df-radius df-start-angle df-end-angle))
(declare (type fixnum fixnum-number-of-segments))
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(offset -1))
(declare (type fixnum vtx-offset offset))
(with-draw-list-transaction (%draw-list-draw-2d-circular-arc 2d-draw-list first-index vtx-offset)
(let* ((dtheta (- df-start-angle df-end-angle)))
(declare (type double-float dtheta))
(setq offset
(standard-3d-vertex-array-push-extend vertex-array
ub32-oid
(clampf (+ df-center-x (* df-radius (cos df-start-angle))))
(clampf (+ df-center-y (* df-radius (sin df-start-angle))))
sf-elevation
ub32-color))
(loop repeat fixnum-number-of-segments
with theta = df-start-angle
with step = (/ dtheta fixnum-number-of-segments)
do (let* ((angle (+ (cl:the double-float theta) (cl:the double-float step)))
(coord-x (clampf (+ df-center-x (* df-radius (cos angle)))))
(coord-y (clampf (+ df-center-y (* df-radius (sin angle))))))
(index-array-push-extend index-array offset)
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid coord-x coord-y sf-elevation ub32-color))
(index-array-push-extend index-array offset)
(incf theta step))
finally (when bool-closed?
(index-array-push-extend index-array vtx-offset))
(return (values)))))))
(defun %draw-list-add-2d-circular-arc (2d-draw-list ub32-oid atom-group model-mtx bool-closed? sf-line-thickness ub32-color sf-elevation
df-center-x df-center-y df-radius df-start-angle df-end-angle
fixnum-number-of-segments
&optional (cmd-constructor #'make-standard-draw-indexed-cmd))
;; for use with line strip pipeline
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type function cmd-constructor))
(declare (type boolean bool-closed?))
(declare (type single-float sf-line-thickness))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type double-float df-center-x df-center-y df-radius df-start-angle df-end-angle))
(declare (type fixnum fixnum-number-of-segments))
(let* ((index-array (draw-list-index-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(vtx-offset (foreign-array-fill-pointer vertex-array)))
(with-draw-list-transaction (%draw-list-add-2d-circular-arc 2d-draw-list first-index vertex-array)
(unless (or (minusp df-radius) (minusp fixnum-number-of-segments))
(let* ((dtheta (- df-start-angle df-end-angle)))
(loop for i from 0 to fixnum-number-of-segments
with theta = df-start-angle
with step = (/ dtheta fixnum-number-of-segments)
do (let* ((coord-x (clampf
(+ df-center-x (* df-radius (cos (cl:the double-float theta))))))
(coord-y (clampf
(+ df-center-y (* df-radius (sin (cl:the double-float theta)))))))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid coord-x coord-y sf-elevation ub32-color)
(index-array-push-extend index-array i)
(incf (cl:the double-float theta) step))
finally (when bool-closed?
(index-array-push-extend index-array 0)
(incf fixnum-number-of-segments)))
(let ((cmd (funcall cmd-constructor
2d-draw-list
first-index (1+ fixnum-number-of-segments) vtx-offset
atom-group model-mtx nil *white-texture* sf-line-thickness nil sf-elevation)))
(vector-push-extend cmd (draw-list-cmd-vector 2d-draw-list))
cmd))))))
(defun %draw-list-draw-2d-circle (2d-draw-list ub32-oid ub32-color sf-elevation
df-center-x df-center-y df-radius
fixnum-number-of-segments)
;; uses line list instead of line strip
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type double-float df-center-x df-center-y df-radius))
(declare (type fixnum fixnum-number-of-segments))
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(offset -1))
(declare (type fixnum vtx-offset offset))
(with-draw-list-transaction (%draw-list-draw-2d-circle 2d-draw-list first-index vtx-offset)
(setq offset
(standard-3d-vertex-array-push-extend vertex-array
ub32-oid
(clampf (+ df-center-x (* df-radius #.(cos 0))))
(clampf (+ df-center-y (* df-radius #.(sin 0))))
sf-elevation
ub32-color))
(loop repeat fixnum-number-of-segments
with theta = 0.0d0
with step = (/ 2pi fixnum-number-of-segments)
do (let* ((angle (+ (cl:the double-float theta) (cl:the double-float step)))
(coord-x (clampf (+ df-center-x (* df-radius (cos angle)))))
(coord-y (clampf (+ df-center-y (* df-radius (sin angle))))))
(index-array-push-extend index-array offset)
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid coord-x coord-y sf-elevation ub32-color))
(index-array-push-extend index-array offset)
(incf theta step))
finally (return (values))))))
(defun %draw-list-add-2d-circle (2d-draw-list ub32-oid atom-group model-mtx sf-line-thickness ub32-color sf-elevation
df-center-x df-center-y df-radius fixnum-number-of-segments
&optional (cmd-constructor #'make-standard-draw-indexed-cmd))
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type function cmd-constructor))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type double-float df-center-x df-center-y df-radius))
(declare (type fixnum fixnum-number-of-segments))
(break)
(let* ((index-array (draw-list-index-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(vtx-offset (foreign-array-fill-pointer vertex-array)))
(with-draw-list-transaction (%draw-list-add-2d-circle 2d-draw-list first-index vtx-offset)
(unless (minusp df-radius)
(loop for i from 0 to fixnum-number-of-segments
with theta = 0.0d0
with step = (/ 2pi fixnum-number-of-segments)
do (let* ((coord-x (clampf (+ df-center-x (* df-radius (cos (cl:the double-float theta))))))
(coord-y (clampf (+ df-center-y (* df-radius (sin (cl:the double-float theta)))))))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid coord-x coord-y sf-elevation ub32-color)
(index-array-push-extend index-array i)
(incf theta step))
finally (index-array-push-extend index-array 0))
(let ((cmd (funcall cmd-constructor
2d-draw-list
first-index (1+ fixnum-number-of-segments) vtx-offset
atom-group model-mtx nil sf-line-thickness nil sf-elevation)))
(vector-push-extend cmd (draw-list-cmd-vector 2d-draw-list))
cmd)))))
(defun %draw-list-draw-3d-polyline (3d-draw-list ub32-oid bool-closed? ub32-color seq-vertices)
;; for line-list pipeline
(declare (type 3d-vertex-draw-list-mixin 3d-draw-list))
(declare (type boolean bool-closed?))
(declare (type (unsigned-byte 32) ub32-color))
(declare (type sequence seq-vertices))
;; there must be at least one vertex to succeed
(let* ((index-array (draw-list-index-array 3d-draw-list))
(vertex-array (draw-list-vertex-array 3d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(offset -1)
(number-of-vertices 0))
(declare (type fixnum vtx-offset offset number-of-vertices))
(with-draw-list-transaction (%draw-list-draw-3d-polyline 3d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x0 y0 z0 x1 y1 z1) on seq-vertices by #'cdddr
do
(setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq z0 (clampf z0))
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 z0 ub32-color))
(index-array-push-extend index-array offset)
(incf number-of-vertices)
when (and x1 y1 z1)
do
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(setq z1 (clampf z1))
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 z1 ub32-color))
(index-array-push-extend index-array offset)
(incf number-of-vertices)
finally
(assert (>= number-of-vertices 2))
(when bool-closed?
(index-array-push-extend index-array vtx-offset))
(return (values))))))))
(defun %draw-list-add-3d-polyline (3d-draw-list ub32-oid atom-group model-mtx bool-closed? sf-line-thickness ub32-color
seq-vertices
&optional (cmd-constructor #'make-standard-draw-indexed-cmd))
;; line-strip
(declare (type 3d-vertex-draw-list-mixin 3d-draw-list))
(declare (type function cmd-constructor))
(declare (type single-float sf-line-thickness))
(declare (type boolean bool-closed?))
(declare (type sequence seq-vertices))
;; there must be at least one vertex to succeed
(let* ((index-array (draw-list-index-array 3d-draw-list))
(vertex-array (draw-list-vertex-array 3d-draw-list))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(first-index (foreign-array-fill-pointer index-array))
(elem-count 0))
(declare (type fixnum elem-count))
(with-draw-list-transaction (%draw-list-add-3d-polyline 3d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x y z) on seq-vertices by #'cdddr
do (setq x (clampf x))
(setq y (clampf y))
(setq z (clampf z))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x y z ub32-color)
(index-array-push-extend index-array elem-count)
(incf elem-count)
finally (assert (>= elem-count 2))
(when bool-closed?
(index-array-push-extend index-array 0)
(incf elem-count))))
(array
(let ((len-vertices (length seq-vertices)))
(declare (type fixnum len-vertices))
(loop for i from 0 to (- len-vertices 3) by 3
do (let ((x (clampf (aref seq-vertices i)))
(y (clampf (aref seq-vertices (1+ i))))
(z (clampf (aref seq-vertices (+ i 2)))))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x y z ub32-color)
(index-array-push-extend index-array elem-count))
finally (incf elem-count (/ len-vertices 3))
(assert (>= elem-count 2))
(when bool-closed?
(index-array-push-extend index-array 0)
(incf elem-count))))))
(let ((cmd (funcall cmd-constructor
3d-draw-list
first-index elem-count vtx-offset
atom-group model-mtx nil sf-line-thickness nil)))
(vector-push-extend cmd (draw-list-cmd-vector 3d-draw-list))
cmd))))
(defun %draw-list-draw-multicolor-3d-polyline (3d-draw-list ub32-oid bool-closed? seq-vertices)
;; uses line-list
(declare (type 3d-vertex-draw-list-mixin 3d-draw-list))
(declare (type boolean bool-closed?))
(declare (type sequence seq-vertices))
;; there must be at least one vertex to succeed
(let* ((index-array (draw-list-index-array 3d-draw-list))
(vertex-array (draw-list-vertex-array 3d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(offset -1)
(number-of-vertices 0))
(declare (type fixnum vtx-offset offset number-of-vertices))
(with-draw-list-transaction (%draw-list-draw-multicolor-3d-polyline 3d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x1 y1 z1 color1) on (cddddr seq-vertices) by #'cddddr
for (x0 y0 z0 color0) on seq-vertices by #'cddddr
do (setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq z0 (clampf z0))
(setq color0 (canonicalize-color color0))
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(setq z1 (clampf z1))
(setq color1 (canonicalize-color color1))
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 z0 color0))
(index-array-push-extend index-array offset)
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 z1 color1))
(index-array-push-extend index-array offset)
(incf number-of-vertices 2)
finally (assert (>= number-of-vertices 2))
(when bool-closed?
(index-array-push-extend index-array offset)
(index-array-push-extend index-array vtx-offset))
(return (values))))))))
(defun %draw-list-add-multicolor-3d-polyline
(3d-draw-list ub32-oid atom-group model-mtx bool-closed? sf-line-thickness seq-vertices)
;; line-strip
(declare (type 3d-vertex-draw-list-mixin 3d-draw-list))
(declare (type single-float sf-line-thickness))
(declare (type boolean bool-closed?))
(declare (type sequence seq-vertices))
;; there must be at least one vertex to succeed
(let* ((index-array (draw-list-index-array 3d-draw-list))
(vertex-array (draw-list-vertex-array 3d-draw-list))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(first-index (foreign-array-fill-pointer index-array))
(elem-count 0))
(declare (type fixnum elem-count))
(with-draw-list-transaction (%draw-list-add-multicolor-3d-polyline 3d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x y z color) on seq-vertices by #'cddddr
do (setq x (clampf x))
(setq y (clampf y))
(setq z (clampf z))
(setq color (canonicalize-color color))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x y z color)
(index-array-push-extend index-array elem-count)
(incf elem-count)
finally (assert (>= elem-count 2))
(when bool-closed?
(index-array-push-extend index-array 0)
(incf elem-count)))))
(let ((cmd (make-standard-draw-indexed-cmd
3d-draw-list
first-index elem-count vtx-offset
atom-group model-mtx nil sf-line-thickness nil)))
(vector-push-extend cmd (draw-list-cmd-vector 3d-draw-list))
cmd))))
(defun %draw-list-draw-filled-2d-triangle-list (2d-draw-list ub32-oid ub32-color sf-elevation seq-vertices)
;; triangle list
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type sequence seq-vertices))
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array)))
(with-draw-list-transaction (%draw-list-draw-filled-2d-triangle-list 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x y) on seq-vertices by #'cddr
do (setq x (clampf x))
(setq y (clampf y))
(let ((offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x y sf-elevation ub32-color)))
(index-array-push-extend index-array offset))
finally (return (values))))))))
(defun %draw-list-add-filled-2d-triangle-strip/list (2d-draw-list ub32-oid atom-group model-mtx ub32-color sf-elevation seq-vertices)
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type sequence seq-vertices))
;; must be at least three vertices to succeed
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(first-index (foreign-array-fill-pointer index-array))
(number-of-vertices 0))
(declare (type fixnum number-of-vertices))
(with-draw-list-transaction (%draw-list-add-filled-2d-triangle-strip/list 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list (loop for (x y) on seq-vertices by #'cddr
for i from 0 below #.most-positive-fixnum
do (setq x (clampf x))
(setq y (clampf y))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x y sf-elevation ub32-color)
(index-array-push-extend index-array i)
(incf number-of-vertices))))
(assert (>= number-of-vertices 3))
(let ((cmd (make-standard-draw-indexed-cmd
2d-draw-list
first-index number-of-vertices vtx-offset
atom-group model-mtx
nil *white-texture* nil nil nil sf-elevation)))
(vector-push-extend cmd (draw-list-cmd-vector 2d-draw-list))
cmd))))
(defun %draw-list-draw-filled-2d-rectangle-list (2d-draw-list ub32-oid ub32-color sf-elevation seq-vertices)
;; triangle list
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-color))
(declare (type sequence seq-vertices))
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(offset -1)
(number-of-vertices 0))
(declare (type fixnum vtx-offset number-of-vertices))
(declare (type (integer -1 #.(- most-positive-fixnum 3)) offset))
(with-draw-list-transaction (%draw-list-draw-filled-2d-rectangle-list 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x0 y0 x1 y1) on seq-vertices by #'(lambda (list)
(nthcdr 4 list))
do (setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(setq offset (standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 sf-elevation ub32-color))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y1 sf-elevation ub32-color)
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 sf-elevation ub32-color)
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y0 sf-elevation ub32-color)
(index-array-push-extend index-array offset)
(index-array-push-extend index-array (1+ offset))
(index-array-push-extend index-array (+ 2 offset))
(index-array-push-extend index-array offset)
(index-array-push-extend index-array (+ 2 offset))
(index-array-push-extend index-array (+ 3 offset))
(incf number-of-vertices 4)
finally (assert (>= number-of-vertices 4))
(return (values))))))))
(defun %draw-list-add-filled-2d-rectangle-list (2d-draw-list ub32-oid atom-group model-mtx ub32-color sf-elevation seq-vertices)
;; triangle-list
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type sequence seq-vertices))
(when seq-vertices
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(first-index (foreign-array-fill-pointer index-array))
(elem-count 0))
(declare (type fixnum elem-count))
(with-draw-list-transaction (%draw-list-add-filled-2d-rectangle-list 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x0 y0 x1 y1) on seq-vertices by #'(lambda (list)
(nthcdr 4 list))
for i from 0 by 4 below #.(- most-positive-fixnum 3)
do (setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 sf-elevation ub32-color)
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x0 y1 sf-elevation ub32-color)
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 sf-elevation ub32-color)
(standard-3d-vertex-array-push-extend vertex-array ub32-oid x1 y0 sf-elevation ub32-color)
(index-array-push-extend index-array i)
(index-array-push-extend index-array (1+ i))
(index-array-push-extend index-array (+ 2 i))
(index-array-push-extend index-array i)
(index-array-push-extend index-array (+ 2 i))
(index-array-push-extend index-array (+ 3 i))
(incf elem-count 6))))
(assert (>= elem-count 6))
(let ((cmd (make-standard-draw-indexed-cmd
2d-draw-list
first-index elem-count vtx-offset
atom-group model-mtx nil *white-texture* nil nil nil sf-elevation)))
(vector-push-extend cmd (draw-list-cmd-vector 2d-draw-list))
cmd)))))
(defun %draw-list-draw-textured-2d-rectangle-list (2d-draw-list ub32-oid ub32-color sf-elevation seq-vertices)
;; used to implement draw-text and group-add-text
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type sequence seq-vertices))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
;; must be at least 2 vertices to succeed
(when seq-vertices
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list)))
(declare (type foreign-adjustable-array index-array vertex-array))
(let ((first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(offset -1))
(declare (type (integer 0 #.(- most-positive-fixnum 4)) vtx-offset))
(declare (type (integer -1 #.(- most-positive-fixnum 3)) offset))
(with-draw-list-transaction (%draw-list-draw-textured-2d-rectangle-list 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x0 y0 u0 v0 x1 y1 u1 v1) on seq-vertices by #'(lambda (list)
(nthcdr 8 list))
do (setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq u0 (clampf u0))
(setq v0 (clampf v0))
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(setq u1 (clampf u1))
(setq v1 (clampf v1))
(setq offset (textured-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 sf-elevation u0 v0 ub32-color))
(textured-3d-vertex-array-push-extend vertex-array ub32-oid x0 y1 sf-elevation u0 v1 ub32-color)
(textured-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 sf-elevation u1 v1 ub32-color)
(textured-3d-vertex-array-push-extend vertex-array ub32-oid x1 y0 sf-elevation u1 v0 ub32-color)
(index-array-push-extend index-array offset)
(index-array-push-extend index-array (1+ offset))
(index-array-push-extend index-array (+ 2 offset))
(index-array-push-extend index-array offset)
(index-array-push-extend index-array (+ 2 offset))
(index-array-push-extend index-array (+ 3 offset))
finally (assert (>= (foreign-array-fill-pointer vertex-array) (+ vtx-offset 4)))
(return (values))))))))))
(defun %draw-list-add-textured-2d-rectangle-list (2d-draw-list ub32-oid atom-group model-mtx texture ub32-color sf-elevation seq-vertices
&optional (cmd-constructor #'make-standard-draw-indexed-cmd))
;; used to implement add-text
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type function cmd-constructor))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type sequence seq-vertices))
;; must be at least 2 vertices to succeed
(when seq-vertices
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(first-index (foreign-array-fill-pointer index-array))
(elem-count 0))
(declare (type fixnum elem-count))
(declare (type (integer -1 #.(- most-positive-fixnum 4)) vtx-offset))
(with-draw-list-transaction (%draw-list-add-textured-2d-rectangle-list 2d-draw-list first-index vtx-offset)
(etypecase seq-vertices
(list
(loop for (x0 y0 u0 v0 x1 y1 u1 v1) on seq-vertices by #'(lambda (list)
(nthcdr 8 list))
for i from 0 by 4 below #.(- most-positive-fixnum 3)
do (setq x0 (clampf x0))
(setq y0 (clampf y0))
(setq u0 (clampf u0))
(setq v0 (clampf v0))
(setq x1 (clampf x1))
(setq y1 (clampf y1))
(setq u1 (clampf u1))
(setq v1 (clampf v1))
(textured-3d-vertex-array-push-extend vertex-array ub32-oid x0 y0 sf-elevation u0 v0 ub32-color)
(textured-3d-vertex-array-push-extend vertex-array ub32-oid x0 y1 sf-elevation u0 v1 ub32-color)
(textured-3d-vertex-array-push-extend vertex-array ub32-oid x1 y1 sf-elevation u1 v1 ub32-color)
(textured-3d-vertex-array-push-extend vertex-array ub32-oid x1 y0 sf-elevation u1 v0 ub32-color)
(index-array-push-extend index-array i)
(index-array-push-extend index-array (1+ i))
(index-array-push-extend index-array (+ 2 i))
(index-array-push-extend index-array i)
(index-array-push-extend index-array (+ 2 i))
(index-array-push-extend index-array (+ 3 i))
(incf elem-count 6))))
(assert (>= (foreign-array-fill-pointer vertex-array) (+ vtx-offset 4)))
(let ((cmd (funcall cmd-constructor
2d-draw-list
first-index elem-count vtx-offset
atom-group model-mtx
nil texture nil nil nil sf-elevation)))
(vector-push-extend cmd (draw-list-cmd-vector 2d-draw-list))
cmd)))))
(defun %draw-list-draw-filled-2d-convex-polygon (2d-draw-list ub32-oid ub32-color sf-elevation seq-vertices)
(declare (type 3d-vertex-draw-list-mixin 2d-draw-list))
(declare (type (unsigned-byte 32) ub32-oid ub32-color))
(declare (type sequence seq-vertices))
;; must be at least 3 vertexes to succeed
(let* ((index-array (draw-list-index-array 2d-draw-list))
(vertex-array (draw-list-vertex-array 2d-draw-list))
(first-index (foreign-array-fill-pointer index-array))
(vtx-offset (foreign-array-fill-pointer vertex-array))
(offset -1)