11 files changed, 385 insertions, 0 deletions

diff --git a/src/controller/clear_selection.sqc b/src/controller/clear_selection.sqc
new file mode 100644
index 0000000..cf04681
--- a/dev/null
+++ b/src/controller/clear_selection.sqc
@@ -0,0 +1,45 @@
+/* I seem to need this for glGenBuffers as per
+   http://www.gamedev.net/community/forums/topic.asp?topic_id=422358 */
+#define GL_GLEXT_PROTOTYPES
+
+#include "clear_selection.h"
+#include "../view/exp004state0.h"
+#include <GL/glut.h>
+
+EXEC SQL INCLUDE sqlca;
+
+/*
+ * A simple alias to make the code more readable.
+ */
+#define S exp004state0
+
+void
+clear_selection (void)
+{
+  /*
+   * WHERE gi IS NOT NULL is added to prevent the PRECOMPILE command
+   * from throwing a warning about modifying an entire table.  Since
+   * gi is defined as NOT NULL this will clear the entire table.
+   */
+  EXEC SQL DELETE FROM vis_selection WHERE gi IS NOT NULL;
+
+  EXEC SQL COMMIT;
+
+  for (unsigned int i = 0; i < ROWS; i++)
+    {
+      S.selection[i] = false;
+      S.base_colors_data[i][0] = DEFAULT_COLOR_R;
+      S.base_colors_data[i][1] = DEFAULT_COLOR_G;
+      S.base_colors_data[i][2] = DEFAULT_COLOR_B;
+    }
+
+  glBindBuffer (GL_ARRAY_BUFFER, S.buffers[BASE_COLORS]);
+  glColorPointer (3, GL_FLOAT, 0, 0);
+  glBufferData (GL_ARRAY_BUFFER,
+                sizeof (S.base_colors_data), S.base_colors_data,
+                GL_STATIC_DRAW);
+
+  glutPostRedisplay ();
+
+  return;
+}