From 6b6a4339ce465b8fed0fd017c981d0b5953a5175 Mon Sep 17 00:00:00 2001
From: jsancho <devnull@localhost>
Date: Sun, 12 Dec 2010 09:18:14 +0000
Subject: [PATCH]

---
 Makefile          |  2 +-
 gacela.lisp       |  5 +++-
 gacela_boxes.lisp | 67 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 72 insertions(+), 2 deletions(-)
 create mode 100755 gacela_boxes.lisp

diff --git a/Makefile b/Makefile
index d73950b..23c1979 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ INC = -I/usr/include/FTGL -I/usr/include/freetype2
 LIBS = -lSDL -lSDL_image -lSDL_mixer -lSDL_gfx -lGL -lGLU -lftgl
 
 OBJ = gacela.o gacela_misc.o gacela_SDL.o gacela_GL.o gacela_FTGL.o \
-      gacela_draw.o gacela_ttf.o gacela_events.o gacela_mobs.o \
+      gacela_draw.o gacela_ttf.o gacela_events.o gacela_mobs.o gacela_boxes.o \
       gacela_widgets.o gacela_sound.o
 
 GCL_OBJ = $(OBJ:%.o=\"%.o\")
diff --git a/gacela.lisp b/gacela.lisp
index 299ab90..cc875b4 100644
--- a/gacela.lisp
+++ b/gacela.lisp
@@ -285,7 +285,9 @@
     (do () ((quit?))
 	(glClear (+ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT))
 	(to-origin)
+	(refresh-visible-boxes)
 	(when (functionp game-code) (funcall game-code))
+	(render-boxes)
 	(SDL_GL_SwapBuffers)
 	(delay-frame)
 	(init-frame-time)
@@ -304,7 +306,8 @@
   (free-all-resources)
   (quit-audio)
   (quit-video-mode)
-  (quit-all-mobs)
+;  (quit-all-mobs)
+  (quit-all-boxes)
 ;  (clear-events)
 ;  (quit-events)
   (quit-sdl))
diff --git a/gacela_boxes.lisp b/gacela_boxes.lisp
new file mode 100755
index 0000000..61ab0a4
--- /dev/null
+++ b/gacela_boxes.lisp
@@ -0,0 +1,67 @@
+;;; Gacela, a GNU Common Lisp extension for fast games development
+;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
+;;;
+;;; 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/>.
+
+
+(eval-when (compile load eval)
+	   (when (not (find-package 'gacela)) (make-package 'gacela :nicknames '(gg) :use '(lisp)))
+	   (in-package 'gacela :nicknames '(gg) :use '(lisp)))
+
+
+;;; Boxes Factory
+
+(let (visible-boxes boxes-to-add boxes-to-quit)
+  (defun add-box (box)
+    (push box boxes-to-add))
+
+  (defun quit-box (box)
+    (push box boxes-to-quit))
+
+  (defun quit-all-boxes ()
+    (setq visible-boxes nil boxes-to-add nil boxes-to-quit nil))
+
+  (defun refresh-visible-boxes ()
+    (cond (boxes-to-add
+	   (setq visible-boxes (union visible-boxes boxes-to-add))
+	   (setq boxes-to-add nil)))
+    (cond (boxes-to-quit
+	   (setq visible-boxes (reverse (set-difference visible-boxes boxes-to-quit)))
+	   (setq boxes-to-quit nil))))
+
+  (defun render-boxes ()
+    (labels ((render (l)
+		     (cond (l (funcall (render-fun-name (car l)))
+			      (render (cdr l))))))
+	    (render visible-boxes))))
+
+
+(defun render-fun-name (name)
+  (intern (concatenate 'string "RENDER-BOX-" (string name)) 'gacela))
+
+(defun get-props-fun-name (name)
+  (intern (concatenate 'string "GET-PROPERTIES-BOX-" (string name)) 'gacela))
+
+(defmacro make-box (name properties &rest code)
+  `(progn
+     (let ,(union '((rx 0) (ry 0) (rz 0)) properties)
+       (defun ,(render-fun-name name) () ,@code)
+       (defun ,(get-props-fun-name name) () (list :rx rx :ry ry :rz rz)))
+     (add-box ',name)))
+
+
+;;; Translations and rotations
+
+(defun rotate-box (&rest rot)
+  )
\ No newline at end of file
-- 
2.39.5