///////////////////////////////////////////////////////////////////////////////
// Reset flags as appropriate in response to menu selections
void ProcessMenu(int value)
{
// For historgram, do not change render mode, just set
// histogram flag to true
if(value == 6) // Histogram
{
bHistogram = GL_TRUE;
glutPostRedisplay();
return;
}
if(value == 0)
// Save image
gltWriteTGA("ScreenShot.tga");
else
// Change render mode index to match menu entry index
iRenderMode = value;
// Trigger Redraw
glutPostRedisplay();
}
void renderScene()
{
//Colours:
static GLfloat vDarkRed[] = {0.0f, 0.396f, 0.702f, 1.0f};
static GLfloat vDarkGrey[] = {0.2f, 0.2f, 0.2f, 1.0f};
static CStopWatch inputTimer;
//Clear buffers
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
//Beginning push:
modelViewStack.PushMatrix();
//Camera matrix:
M3DMatrix44f mCamera;
cameraFrame.GetCameraMatrix(mCamera);
modelViewStack.PushMatrix(mCamera);
modelViewStack.Rotate(-15.0f, 1.0f, 0.0f, 0.0f);
if (screenshot)
{
cameraFrame.SetForwardVector(0, 0, -1);
cameraFrame.SetUpVector(0, 1, 0);
cameraFrame.GetCameraMatrix(mCamera);
modelViewStack.PushMatrix(mCamera);
}
//Light source:
static M3DVector4f vAmbient = {0.1f, 0.1f, 0.1f, 1.0f};
static M3DVector4f vLightPos = {4.0f, -6.5f, 10.0f, 1.0f};
static M3DVector4f vLightEyePos;
m3dTransformVector4(vLightEyePos, vLightPos, mCamera);
//Draw floor and grid:
glEnable(GL_MULTISAMPLE);
cRoom.draw(shaderManager, tPipeline, modelViewStack);
// Highlight grid
hlGrid.draw(shaderManager, tPipeline, modelViewStack);
//Draw desks:
stuDesks.drawAll(shaderManager, tPipeline, vLightEyePos, modelViewStack, vAmbient); //Draw polygon version of desks
glDisable(GL_MULTISAMPLE); //Disable multisampling (to use AA)
glEnable(GL_BLEND); //Enable blending
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glPolygonOffset(-1.0f, -1.0f);
glEnable(GL_POLYGON_OFFSET_LINE); //Render wireframe in front of polygon
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); //Wireframe mode
glEnable(GL_LINE_SMOOTH); //Enable AA
stuDesks.drawAll(shaderManager, tPipeline, vLightEyePos, modelViewStack, vAmbient, vDarkGrey); //Draw wireframe version of desks
//Reset stuff as they were before:
glDisable(GL_LINE_SMOOTH);
glDisable(GL_POLYGON_OFFSET_LINE);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glDisable(GL_BLEND);
//End cam push:
modelViewStack.PopMatrix();
//End pop:
modelViewStack.PopMatrix();
if (!screenshot)
{
newDeskButton.draw(W_WIDTH, W_HEIGHT);
removeDeskButton.draw(W_WIDTH, W_HEIGHT);
exportButton.draw(W_WIDTH, W_HEIGHT);
}
glutSwapBuffers();
if (screenshot)
{
char name[38];
sprintf(name, "Exports/screenshot%d.tga", expCounter);
gltWriteTGA(name);
counterSaver();
modelViewStack.PopMatrix();
screenshot = false;
}
glutPostRedisplay();
handleInput(inputTimer);
}
/* gestisce i tasti carattere */
void keyHandler(GLubyte key, GLint x, GLint y){
static int sCount=0;
if(key== 'q'){
fprintf(stderr, "Exit\n");
programData.exit = 1;
}else{
if(key == 'p'){ /* menu */
programData.menu = !programData.menu;
}else{
if(key == 'm'){ /* multisampling */
programData.multisample = !programData.multisample;
if(programData.multisample){
fprintf(stderr, "MULTISAMPING ON\n");
glEnable(GL_MULTISAMPLE);
}
else{
fprintf(stderr, "MULTISAMPING OFF\n");
glDisable(GL_MULTISAMPLE);
}
}else{
if(key == 'f'){ /* nebbia */
programData.fog= !programData.fog;
if(programData.fog){
fprintf(stderr, "FOG ON\n");
fog(1);
}
else{
fprintf(stderr, "FOG OFF\n");
fog(0);
}
}else{
if(key == 'n'){ /* nuova partita */
programData.gameStatus = 1;
programData.menu = 0;
programData.points= 0;
/* Inizializzo la posizione della telecamera */
worldData.angleX = 0.0f;
worldData.angleY = 0.0f;
worldData.angleMX = 0.0f;
worldData.angleMY = 0.0f;
worldData.nextAngleX = 0.0f;
worldData.nextAngleY = 0.0f;
worldData.nextAngleMX = 0.0f;
worldData.nextAngleMY = 0.0f;
/* Inizializzo il verme */
initializeWorm(0.0f, 0.0f, 83.5f, 0);
srand(time(NULL));
/* Inizializzo la palla */
initializeBall();
/* Inizializzo i dati utilizzati per la telecamera */
worldData.kup = 0;
worldData.kdown = 0;
worldData.kleft = 0;
worldData.kright = 0;
worldData.xStatus = 0;
worldData.yStatus = 0;
worldData.nextXstatus = 0;
worldData.nextYstatus = 0;
programData.velocity = VELOCITY;
programData.timeFrame = 1250/programData.velocity;
programData.velAngolare = programData.velocity*0.2;
programData.timerender = programData.time;
programData.timebase = programData.time;
programData.frame = 0;
}else{
if(key == 's'){/* screenshot */
char sname[20];
sprintf(sname, "screenshot%d.tga",sCount);
gltWriteTGA(sname);
sCount++;
}
}
}
}
}
}
}
