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#include <wiimote.h>
#include <GL\glew.h>
#include <GL\glut.h>
#include <stdlib.h>
#include "typedefs.h"
#include "stereoheadtrackfrustum.h"
#include "scenerenderer.h"
extern GameState_t g_GameState;
void ExitProgram()
{
printf("Finished!\n");
//we prolly should do some cleanup
if (g_GameState.m_pTrackingWiimote != NULL)
{
g_GameState.m_pTrackingWiimote->Disconnect();
delete g_GameState.m_pTrackingWiimote;
}
exit(0);
}
inline void GSConvScaleChange(int index, GLfloat delta)
{
g_GameState.m_GSConvScale[index] += delta;
if (g_GameState.m_bStereoEnabled)
glUniform3fv(g_GameState.m_GSConvScaleLoc, 1, g_GameState.m_GSConvScale);
}
void Keyboard(unsigned char f_cKey, int f_iX, int f_iY)
{
switch(f_cKey)
{
case 'q':
case 'Q':
case 27 :
ExitProgram();
break;
case 's':
case 'S': //enable /disable stereo vision
g_GameState.m_bStereoEnabled = !g_GameState.m_bStereoEnabled;
break;
case 'h':
case 'H': //enable disable head tracking
if (g_GameState.m_pTrackingWiimote != NULL && g_GameState.m_pTrackingWiimote->IsConnected())
{
g_GameState.m_bHeadTrackingEnabled = !g_GameState.m_bHeadTrackingEnabled;
}
break;
case ' ':
////set y angle correction to current y angle of the the center of the two ir dots
//if (g_Wiimote.IsConnected())
//{
// wiimote_state::ir::dot l_Dot[2]; //shorthand to the ir dots
// //check if we see at least 2 IR dots
// if (FindIRDots(&g_Wiimote.IR, l_Dot))
// {
// //calculate the distance of the head (in mm)
// double l_dHeadDistInMM = CalcHeadDistInMM(l_Dot, &g_GameState.m_HeadTrackParms), //the distance between the head and camera (in mm)
// l_dEyeYCam = (double)(l_Dot[0].RawY + l_Dot[1].RawY) / 2.0;
//
// // of the eye relative to the camera
// g_GameState.m_HeadTrackParms.m_dYAngleCorrection = g_GameState.m_HeadTrackParms.m_dRadPerCameraPixel * (l_dEyeYCam - g_GameState.m_HeadTrackParms.m_dCameraYCenter);
// }
//}
break;
case 'u': GSConvScaleChange(0, 0.05); break;
case 'j': GSConvScaleChange(0, -0.05); break;
case 'i': GSConvScaleChange(1, 0.05); break;
case 'k': GSConvScaleChange(1, -0.05); break;
case 'o': GSConvScaleChange(2, 0.05); break;
case 'l': GSConvScaleChange(2, -0.05); break;
}
}
void Display(void)
{
glClear(GL_COLOR_BUFFER_BIT);
double l_d3EyePosInMM[3];
bool l_bEyeLocated;
if (g_GameState.m_bStereoEnabled)
{
//enable grayscale shader
glUseProgram(g_GameState.m_GreyScaleShaderProgram);
//set the conversion scale
glUniform3fv(g_GameState.m_GSConvScaleLoc, 1, g_GameState.m_GSConvScale);
for (int CurrentEye=0; CurrentEye<2; CurrentEye++) //STEREO_LEFT_EYE = 0, STEREO_RIGHT_EYE = 1
{
l_bEyeLocated = false;
if (g_GameState.m_bHeadTrackingEnabled)
{
l_bEyeLocated = CalcEyePosInMM(g_GameState.m_pTrackingWiimote,
(EyeOrigin_t)CurrentEye,
g_GameState.m_FrustumParms,
l_d3EyePosInMM);
}
if(!l_bEyeLocated)
{
//set default eye coordinates
l_d3EyePosInMM[0] = g_GameState.m_FrustumParms.m_dEyeDistMM * ((double)CurrentEye - 0.5);
l_d3EyePosInMM[1] = 0.0;
l_d3EyePosInMM[2] = g_GameState.m_FrustumParms.m_dDefHeadDistMM;
}
//set colormask
if (CurrentEye == STEREO_LEFT_EYE)
{
glColorMask(GL_TRUE, GL_FALSE, GL_FALSE, GL_TRUE);
}
else
{
glColorMask(GL_FALSE, GL_TRUE, GL_TRUE, GL_TRUE);
}
//clear depth buffers
glClear(GL_DEPTH_BUFFER_BIT);
//set frustum
SetFrustum(g_GameState.m_FrustumParms, l_d3EyePosInMM);
RenderScene();
}
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
//disable greyscale shader
glUseProgram(0);
}
else // !g_GameState.m_bStereoEnabled
{
l_bEyeLocated = false;
if (g_GameState.m_bHeadTrackingEnabled)
{
l_bEyeLocated = CalcEyePosInMM(g_GameState.m_pTrackingWiimote,
MONO_CENTER,
g_GameState.m_FrustumParms,
l_d3EyePosInMM);
}
if(!l_bEyeLocated)
{
//set default eye coordinates
l_d3EyePosInMM[0] = 0.0;
l_d3EyePosInMM[1] = 0.0;
l_d3EyePosInMM[2] = g_GameState.m_FrustumParms.m_dDefHeadDistMM;
}
//clear depth buffer
glClear(GL_DEPTH_BUFFER_BIT);
//set frustum
SetFrustum(g_GameState.m_FrustumParms, l_d3EyePosInMM);
RenderScene();
}
GLdouble width = (GLdouble)glutGet(GLUT_SCREEN_WIDTH),
height = (GLdouble)glutGet(GLUT_SCREEN_HEIGHT);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0.0, width, 0.0, height, -1.0, 1.0);
glScaled(1.0, -1.0, 1.0);
glTranslatef(0.0, -height, 0.0);
glMatrixMode(GL_MODELVIEW);
glPushAttrib(GL_LIGHTING_BIT);
glShadeModel(GL_FLAT);
glDisable(GL_LIGHTING);
glPushMatrix();
glLoadIdentity();
glBegin(GL_QUADS);
glColor3f(0.2f, 0.2f, 0.2f);
glVertex3f(0.0f, 0.0f, -0.5f);
glVertex3f(0.0f, 30.0f, -0.5f);
glVertex3f(325.0f, 30.0f, -0.5f);
glVertex3f(325.0f, 0.0f, -0.5f);
glEnd();
glColor3f(1.0, 1.0, 1.0);
glRasterPos3f(5.0, 22.0, 0.5);
char string[256];
sprintf(string, "RGB conv scale: %4.3f, %4.3f, %4.3f",
g_GameState.m_GSConvScale[0],
g_GameState.m_GSConvScale[1],
g_GameState.m_GSConvScale[2]);
int len = strlen(string);
for (int i=0; i<len; i++)
glutBitmapCharacter(GLUT_BITMAP_9_BY_15, string[i]);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glPopAttrib();
glutSwapBuffers();
} // Display
void Idle(void)
{
if (g_GameState.m_pTrackingWiimote != NULL && g_GameState.m_pTrackingWiimote->IsConnected())
{
g_GameState.m_pTrackingWiimote->RefreshState();
}
glutPostRedisplay();
}
void Reshape(int f_iWidth, int f_iHeight)
{
//set the new viewport dimension
glViewport(0, 0, f_iWidth, f_iHeight);
//should we set a new projection matrix?
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
double l_dHalfHeight = 0.5 * g_GameState.m_FrustumParms.m_dScreenHeightWorld,
l_dHalfWidth = l_dHalfHeight * g_GameState.m_FrustumParms.m_dScreenAspect,
l_zNear = 2.0 * g_GameState.m_FrustumParms.m_dScreenHeightWorld;
glFrustum(-l_dHalfWidth, l_dHalfWidth, -l_dHalfHeight, l_dHalfHeight, l_zNear, l_zNear + 1000.0);
glTranslated(0.0, 0.0, -l_zNear);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
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