checking in pdp 0.12.4 from http://zwizwa.fartit.com/pd/pdp/pdp-0.12.4.tar.gz

svn path=/trunk/externals/pdp/; revision=4232

1 files changed, 181 insertions, 0 deletions

diff --git a/opengl/modules/pdp_3d_push.c b/opengl/modules/pdp_3d_push.c
new file mode 100644
index 0000000..d5a45fb
--- /dev/null
+++ b/opengl/modules/pdp_3d_push.c
@@ -0,0 +1,181 @@
+/*
+ *   Pure Data Packet module.
+ *   Copyright (c) by Tom Schouten <pdp@zzz.kotnet.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 2 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, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include <GL/gl.h>
+#include "pdp_opengl.h"
+#include "pdp_3dp_base.h"
+
+typedef struct pdp_3d_push_struct
+{
+    t_pdp_3dp_base x_base;
+    GLenum x_matrix;
+    int x_change_mode;
+
+} t_pdp_3d_push;
+
+
+
+static void pdp_3d_push_process_right(t_pdp_3d_push *x)
+{
+    int p = pdp_3dp_base_get_context_packet(x);
+    if (-1 != p){
+
+	/* push one of the matrices */
+	glMatrixMode(x->x_matrix);
+	glPushMatrix();
+
+	/* set default matrix to modelview */
+	if (!x->x_change_mode) glMatrixMode(GL_MODELVIEW);
+
+    }
+}
+static void pdp_3d_push_process_left(t_pdp_3d_push *x)
+{
+    int p = pdp_3dp_base_get_context_packet(x);
+    if (-1 != p){
+
+	/* restore the saved matrix */
+	glMatrixMode(x->x_matrix);
+	glPopMatrix();
+
+	/* set default matrix back to modelview */
+	glMatrixMode(GL_MODELVIEW);
+
+    }
+
+}
+
+
+static void pdp_3d_mode_process_right(t_pdp_3d_push *x)
+{
+    int p = pdp_3dp_base_get_context_packet(x);
+    if (-1 != p){
+
+	/* change matrix mode */
+	glMatrixMode(x->x_matrix);
+
+    }
+}
+
+static void pdp_3d_mode_process_left(t_pdp_3d_push *x)
+{
+    int p = pdp_3dp_base_get_context_packet(x);
+    if (-1 != p){
+
+	/* restore default matrix to modelview */
+	glMatrixMode(GL_MODELVIEW);
+
+    }
+}
+
+
+static void pdp_3d_push_setmatrix(t_pdp_3d_push *x, t_symbol *s)
+{
+    GLenum m;
+
+    /* find out which matrix to push */
+    if (s == gensym("projection")) m = GL_PROJECTION;
+    else if (s == gensym("modelview")) m = GL_MODELVIEW;
+    else if (s == gensym("texture")) m = GL_TEXTURE;
+    else if (s == gensym("color")) m = GL_COLOR;
+
+    /* default is modelview */
+    else m = GL_MODELVIEW;
+
+    x->x_matrix = m;
+}
+
+
+t_class *pdp_3d_push_class;
+
+
+
+void pdp_3d_push_free(t_pdp_3d_push *x)
+{
+    pdp_3dp_base_free(x);
+}
+
+void *pdp_3d_push_mode_new(t_symbol *s)
+{
+    t_pdp_3d_push *x = (t_pdp_3d_push *)pd_new(pdp_3d_push_class);
+
+    /* super init */
+    pdp_3dp_base_init(x);
+
+    /* setup which matrix we are talking about */
+    pdp_3d_push_setmatrix(x, s);
+
+    x->x_change_mode = 0;
+
+    return (void *)x;
+}
+
+void *pdp_3d_push_new(t_symbol *s, t_floatarg f)
+{
+    t_pdp_3d_push *x = (t_pdp_3d_push *)pdp_3d_push_mode_new(s);
+
+    /* create dpd outlets */
+    pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_push_process_left, 0);
+    pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_push_process_right, 0);
+
+    x->x_change_mode = (f != 0.0f);
+    
+    return (void *)x;
+}
+
+
+void *pdp_3d_mode_new(t_symbol *s)
+{
+    t_pdp_3d_push *x = (t_pdp_3d_push *)pdp_3d_push_mode_new(s);
+
+    /* create dpd outlets */
+    pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_mode_process_left, 0);
+    pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_mode_process_right, 0);
+
+
+    return (void *)x;
+}
+
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_3d_push_setup(void)
+{
+
+
+    pdp_3d_push_class = class_new(gensym("3dp_push"), (t_newmethod)pdp_3d_push_new,
+    	(t_method)pdp_3d_push_free, sizeof(t_pdp_3d_push), 0, A_DEFSYMBOL, A_NULL);
+
+    class_addcreator((t_newmethod)pdp_3d_mode_new, gensym("3dp_mode"), A_DEFSYMBOL, A_NULL);
+
+    pdp_3dp_base_setup(pdp_3d_push_class);
+
+}
+
+#ifdef __cplusplus
+}
+#endif