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/* 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 "selsave.h"
#include "../view/exp004state0.h"
#include <stdio.h>
/*
* A simple alias to make the code more readable.
*/
#define S exp004state0
/*
* The implementation of this function is based on
* [Angel,2008,pp80-81].
*/
void
exp004processhits (GLint hits, GLuint buffer[])
{
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, S.gi_data[*hitlist]);
/*
* Add the hits to the selection.
*/
S.selection.set[*hitlist] = true;
S.base_colors_data[*hitlist][0] = SELECT_COLOR_R;
S.base_colors_data[*hitlist][1] = SELECT_COLOR_G;
S.base_colors_data[*hitlist][2] = SELECT_COLOR_B;
S.base_colors_data[*hitlist][3] = SELECT_COLOR_A;
hitlist++;
}
selsave ();
glBindBuffer (GL_ARRAY_BUFFER, S.buffers[BASE_COLORS]);
glColorPointer (4, GL_FLOAT, 0, 0);
glBufferData (GL_ARRAY_BUFFER,
sizeof (S.base_colors_data), S.base_colors_data,
GL_STATIC_DRAW);
printf ("\n");
return;
}
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