29 files changed, 1185 insertions, 0 deletions

diff --git a/src/controller/exp004processhits.c b/src/controller/exp004processhits.c
new file mode 100644
index 0000000..29fbbbc
--- a/dev/null
+++ b/src/controller/exp004processhits.c
@@ -0,0 +1,54 @@
+/* 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 "exp004processhits.h"
+#include "../view/exp004state0.h"
+#include <stdio.h>
+
+/*
+ * The implementation of this function is based on
+ * [Angel,2008,pp80-81].
+ */
+void
+exp004processhits (GLint hits, GLuint buffer[])
+{
+  /*
+   * A simple alias to make the code more readable.
+   */
+  EXP004STATE* S = &exp004state0;
+
+  printf ("Hits: %d\n", hits);
+
+  GLuint *hitlist = buffer;
+  
+  for (int i = 0; i < hits; i++)
+    {
+      hitlist += 3;
+
+      /*
+       * Report the hit to the terminal.
+       */
+      printf ("Hit %i: %s\n", i + 1, exp004state0.gi_data[*hitlist]);
+
+      /*
+       * Add the hits to the selection.
+       */
+      exp004state0.selection[*hitlist] = true;
+      exp004state0.base_colors_data[*hitlist][0] = SELECT_COLOR_R;
+      exp004state0.base_colors_data[*hitlist][1] = SELECT_COLOR_G;
+      exp004state0.base_colors_data[*hitlist][2] = SELECT_COLOR_B;
+
+      hitlist++;
+    }
+
+  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);
+  
+  printf ("\n");
+
+  return;
+}