From 15dc6f156f90086f1f82655b43183f0d8647fa0e Mon Sep 17 00:00:00 2001
From: jsancho <devnull@localhost>
Date: Thu, 3 Dec 2009 02:22:28 +0000
Subject: [PATCH]

---
 gacela.lisp      | 49 ++++++++++++++++++++++++++----------------------
 gacela_draw.lisp | 19 +++++--------------
 2 files changed, 32 insertions(+), 36 deletions(-)

diff --git a/gacela.lisp b/gacela.lisp
index a7045ce..b5d611d 100644
--- a/gacela.lisp
+++ b/gacela.lisp
@@ -38,9 +38,7 @@
 
 
 ;;; Video Subsystem
-(defstruct surface address clip-w clip-h shape)
-
-(let (screen flags)
+(let (screen flags current-width current-height)
 
   (defun init-video-mode (&key (width *width-screen*) (height *height-screen*) (bpp *bpp-screen*))
     (cond ((null screen)
@@ -51,12 +49,17 @@
 			  (if (= (getf (SDL_GetVideoInfo) :blit_hw) 0) 0 SDL_HWACCEL)))
 	   (setq screen (SDL_SetVideoMode width height bpp flags))
 	   (init-GL)
-	   (resize-screen-GL width height))
+	   (resize-screen-GL width height)
+	   (setq current-width width current-height height))
 	  (t t)))
 
   (defun resize-screen (width height bpp)
     (setq screen (SDL_SetVideoMode width height bpp flags))
-    (resize-screen-GL width height))
+    (resize-screen-GL width height)
+    (setq current-width width current-height height))
+
+  (defun apply-mode-change ()
+    (resize-screen-GL current-width current-height))
 
   (defun fill-screen (color)
     (init-video-mode)
@@ -69,9 +72,25 @@
   (defun quit-video-mode ()
     (setq screen nil)))
 
+(let ((mode '2d))
+  (defun set-2d-mode ()
+    (cond ((3d-mode?)
+	   (setq mode '2d)
+	   (init-video-mode)
+	   (glDisable GL_DEPTH_TEST)
+	   (apply-mode-change))))
+
+  (defun set-3d-mode ()
+    (cond ((not (3d-mode?))
+	   (setq mode '3d)
+	   (init-video-mode)
+	   (glEnable GL_DEPTH_TEST)
+	   (apply-mode-change))))
+
+  (defun 3d-mode? ()
+    (eq mode '3d)))
 
 (defun init-GL ()
-  (2d-mode)
   (glShadeModel GL_SMOOTH)
   (glClearColor 0 0 0 0)
   (glClearDepth 1)
@@ -86,11 +105,11 @@
   (glEnable GL_LIGHTING))
 
 (defun resize-screen-GL (width height)
-  (cond ((3d-mode?) (glViewPort 0 0 width height)))
+  (glViewPort 0 0 width height)
   (glMatrixMode GL_PROJECTION)
   (glLoadIdentity)
   (cond ((3d-mode?) (let ((ratio (if (= height 0) width (/ width height))))
-		      (gluPerspective 45 ratio 0.1 100)))
+		      (gluPerspective 45 ratio 0.1 100))) ;0.1
 	(t (let* ((w (/ width 2)) (-w (neg w)) (h (/ height 2)) (-h (neg h)))
 	     (glOrtho -w w -h h 0 1))))
   (glMatrixMode GL_MODELVIEW)
@@ -121,20 +140,6 @@
 						     (caddr transparent-color)))
 			optimized-image)))))))
 
-(defun load-image2 (image-file &key (transparent-color nil))
-  (let ((address-image (load-image image-file :transparent-color transparent-color)))
-    (list
-     (lambda (x y) (print-surface x y address-image))
-     (lambda () (SDL_FreeSurface address-image)))))
-
-(defun clean-screen ()
-  (fill-screen *background-color*))
-
-(defun refresh-screen ()
-  (clean-screen)
-  (funcall-procs #'print-mob)
-  (flip))
-
 
 ;;; Audio Subsystem
 (let ((audio nil))
diff --git a/gacela_draw.lisp b/gacela_draw.lisp
index 947da6b..00eb551 100644
--- a/gacela_draw.lisp
+++ b/gacela_draw.lisp
@@ -16,18 +16,6 @@
 
 (in-package :gacela)
 
-(let ((mode '2d))
-  (defun 2d-mode ()
-    (glDisable GL_DEPTH_TEST)
-    (setq mode '2d))
-
-  (defun 3d-mode ()
-    (glEnable GL_DEPTH_TEST)
-    (setq mode '3d))
-
-  (defun 3d-mode? ()
-    (eq mode '3d)))
-
 (defmacro with-color (color &body code)
   `(let ((original-color (get-current-color)))
      (apply #'set-current-color ,color)
@@ -161,7 +149,10 @@
 (defun translate (x y &optional (z 0))
   (glTranslatef x y z))
 
-(defun rotate (xrot yrot &optional zrot)
+(defun rotate (xrot yrot zrot)
   (glRotatef xrot 1 0 0)
   (glRotatef yrot 0 1 0)
-  (cond (zrot (glRotatef zrot 0 0 1))))
+  (glRotatef zrot 0 0 1))
+
+(defun 2d-rotate (rot)
+  (rotate 0 0 rot))
\ No newline at end of file
-- 
2.39.2