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#include <wiimote.h>
#include <GL/glew.h>
#include <GL/glut.h>
#define _USE_MATH_DEFINES
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "typedefs.h"
#include "glutcallbacks.h"
#include "textfile.h"
//Global variables
GameState_t g_GameState;
void InitGL(void)
{
GLfloat l_f4LightPos[] = {0.0, 1.0, 1.0, 0.0},
l_f4GlobalAmbient[] = {0.3, 0.3, 0.3, 1.0};
//init OpenGL
glLightfv(GL_LIGHT0, GL_POSITION, l_f4LightPos);
glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 0);
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, l_f4GlobalAmbient);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_DEPTH_TEST);
glEnable(GL_COLOR_MATERIAL);
glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
glClearColor(1.0, 1.0, 1.0, 1.0);
glClearDepth(1000.0);
glDisable(GL_DITHER);
glShadeModel(GL_SMOOTH);
glEnable(GL_CULL_FACE);
}
bool InitWiiMotes()
{
g_GameState.m_pTrackingWiimote = new wiimote();
g_GameState.m_pTrackingWiimote->ChangedCallback = NULL; //no callbacks, we just poll...
g_GameState.m_pTrackingWiimote->CallbackTriggerFlags = NO_CHANGE;
/*printf("connecting:\n");
while(!g_Wiimote.Connect(wiimote::FIRST_AVAILABLE))
{
Sleep(1000);
printf(".");
}
printf("connected\n");*/
if (g_GameState.m_pTrackingWiimote->Connect(wiimote::FIRST_AVAILABLE))
{
g_GameState.m_pTrackingWiimote->SetLEDs(0x0f);
g_GameState.m_pTrackingWiimote->SetReportType(wiimote::IN_BUTTONS_ACCEL_IR_EXT); // IR dots
/*g_GameState.m_pTrackingWiimote->SetRumble(true);
Sleep(500);
g_GameState.m_pTrackingWiimote->SetRumble(false); */
return true;
}
else
{
return false;
}
}
bool LoadGreyScaleShader()
{
char *vs_text = NULL,*fs_text = NULL;
GLuint vs = glCreateShader(GL_VERTEX_SHADER),
fs = glCreateShader(GL_FRAGMENT_SHADER);
vs_text = textFileRead("shaders\\greyscale.vert");
if (vs_text == NULL)
{
return false;
}
fs_text = textFileRead("shaders\\greyscale.frag");
if (fs_text == NULL)
{
free(vs_text);
return false;
}
glShaderSource(vs, 1, (const char**)&vs_text,NULL);
glShaderSource(fs, 1, (const char**)&fs_text,NULL);
free(vs_text);
free(fs_text);
glCompileShader(vs);
glCompileShader(fs);
g_GameState.m_GreyScaleShaderProgram = glCreateProgram();
glAttachShader(g_GameState.m_GreyScaleShaderProgram,fs);
glAttachShader(g_GameState.m_GreyScaleShaderProgram,vs);
glLinkProgram(g_GameState.m_GreyScaleShaderProgram);
g_GameState.m_GSConvScaleLoc = glGetUniformLocation(g_GameState.m_GreyScaleShaderProgram, "g_ConversionWeights");
return true;
}
int main(int argc, char **argv)
{
//init the GL Utility Toolkit
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("HeadTrackDemo");
//register GLUT callback routines
glutDisplayFunc(Display);
glutIdleFunc(Idle);
glutReshapeFunc(Reshape);
glutKeyboardFunc(Keyboard);
//init openGL state variables
InitGL();
//init the GL Extension Wrangler library
glewInit();
//check for OpenGL 2.0 support
if (!glewIsSupported("GL_VERSION_2_0"))
{
printf("Your graphics hardware/software does not support OpenGL 2.0\n");
exit(1);
}
//try to load the grayscale shader
if (!LoadGreyScaleShader())
{
printf("Failed to load vertex/fragment shader.\n");
exit(1);
}
// initialise the stereo vision parameters
g_GameState.m_FrustumParms.m_dEyeDistMM = 70.0; //7 cm
g_GameState.m_FrustumParms.m_dDefHeadDistMM = 1000.0; //100 cm
g_GameState.m_FrustumParms.m_dHeadTrackLedDist = 205.0;
g_GameState.m_FrustumParms.m_dRadPerCameraPixel = (41.0*(M_PI/180.0))/1024.0;
g_GameState.m_FrustumParms.m_dCameraXCenter = 1024.0/2.0;
g_GameState.m_FrustumParms.m_dCameraYCenter = 768.0/2.0;
g_GameState.m_FrustumParms.m_dYAngleCorrection = 0.0; //to be initialised correctly
g_GameState.m_FrustumParms.m_dScreenHeightWorld = 20.0;
/*g_GameState.m_FrustumParms.m_dCameraYOffset = 130.0;
g_GameState.m_FrustumParms.m_dScreenHeightMM = 210.0;
g_GameState.m_FrustumParms.m_dScreenAspect = 4.0/3.0;*/
g_GameState.m_GSConvScale[0] = 0.299;
g_GameState.m_GSConvScale[1] = 0.587;
g_GameState.m_GSConvScale[2] = 0.114;
g_GameState.m_FrustumParms.m_dCameraYOffset = 205.0;
g_GameState.m_FrustumParms.m_dScreenHeightMM = 320.0;
g_GameState.m_FrustumParms.m_dScreenAspect = 16.0/10.0;
g_GameState.m_bHeadTrackingEnabled = false;
g_GameState.m_bStereoEnabled = false;
InitWiiMotes();
glutFullScreen();
//action!!
glutMainLoop();
return 0;
}
////initialise the parameters needed for perspective correction when head tracking
//g_HeadTrackParms.m_dHeadTrackLedDist = 205.0;
//g_HeadTrackParms.m_dRadPerCameraPixel = (41.0*(M_PI/180.0))/1024.0;
//g_HeadTrackParms.m_dCameraXCenter = 1024.0/2.0;
//g_HeadTrackParms.m_dCameraYCenter = 768.0/2.0;
//g_HeadTrackParms.m_dYAngleCorrection = 0.0; //to be initialised correctly
//g_HeadTrackParms.m_dCameraYOffset = 205.0;
//g_HeadTrackParms.m_dScreenHeightMM = 320.0;
//g_HeadTrackParms.m_dScreenAspect = 16.0/10.0;
//g_HeadTrackParms.m_dScreenHeightWorld = 20.0;
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