void Graphics::render()
{
if (!start())
return;
if (!initialized) {
error->log(GRAPHICS, IMPORTANT, "Render function called without graphics initialization\n");
return;
}
// I feel like most of this should not get called every frame, but whatever
GLfloat mat_specular[]={ .2, .2, .2, 1.0 };
glShadeModel(GL_SMOOTH);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular );
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_DEPTH_TEST);
if (Scheduler::getInstance().raceState == SETUP) {
glClearColor(0.0,0.0,0.0,0.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
World::getInstance().setupMenu->draw();
renderHUD();
} else {
if(glowEnabled) {
glViewport(0,0,glowTexWidth,glowTexHeight);
renderGlowLayer();
World &world = World::getInstance();
glViewport(0,0,world.camera.getWres(),world.camera.getHres());
copyBufferToTexture();
renderColorLayer();
// Composite;
renderGlowTexture();
renderHUD();
} else {
World &world = World::getInstance();
glViewport(0,0,world.camera.getWres(),world.camera.getHres());
renderColorLayer();
renderHUD();
}
}
SDL_GL_SwapBuffers();
finish();
}
//finally here. Whew that's a lot of functions
int main(int argc,char* args[]) {
srand(time(NULL)); //spin the wheel!
int i; //loop counter
int frame=0; //total frames past
if(init()==false) return 1;
if(prepAssets()==false) return 1;
if(Mix_PlayMusic(muBGM,-1)==-1) return 1;
//read and store the string of appropriate language
FILE *pLang;
char strLang[25]; //language string
if((pLang=fopen("text/en.WhyCantIHoldAllTheseFileExtensions","r"))!=NULL) {
if(fgets(strLang,25,pLang)==NULL) return 1;
}
fclose(pLang);
sfMenuPrompt=TTF_RenderText_Blended(fnMenu,strLang,clMenu);
//read and store current highscore
FILE *pHighScoreR;
char strHighScore[10];
if((pHighScoreR=fopen("text/highscore.WhyCantIHoldAllTheseFileExtensions","r"))!=NULL) {
if(fgets(strHighScore,10,pHighScoreR)==NULL) return 1;
}
fclose(pHighScoreR);
sfHighScore=TTF_RenderText_Shaded(fnHighScore,strHighScore,clHighScore,clDefault);
iHighScore=atoi(strHighScore); //string contents as an int
//menu runs here
while(quitMenu==false) {
//display menu
printb(0,0,sfMenu,sfScreen);
printb((SCREEN_WIDTH-sfMenuPrompt->w)/2,315,sfMenuPrompt,sfScreen);
//menu-only key controls
while(SDL_PollEvent(&event)) {
if(event.type==SDL_KEYDOWN) {
switch(event.key.keysym.sym) {
case SDLK_RETURN:
quitMenu=true;
break;
case SDLK_ESCAPE:
quitMenu=true;
quitGame=true;
quitOver=true;
quitAll=true;
break;
default:
;
}
}
//if the window gets X'd
if(event.type==SDL_QUIT) {
quitMenu=true; //quit the menu
quitGame=true; //skip the game
quitOver=true;
quitAll=true;
}
}
//refresh the screen
if(SDL_Flip(sfScreen)==-1) return 1;
}
//game is starting! set up everything!
tmTime.start();
tmFPS.start();
tmFPSUpd.start();
tmDelta.start();
tmMusic.start();
//REPLAY LOOP
while(quitAll==false) {
randBullets();
//game runs here
while(quitGame==false) {
//once wave time is up: level up and restart wave timer
//setup phase is active
if(waveZero==true&&tmTime.getTicks()>10000) {
iWave++;
nextWave();
tmTime.start();
waveZero=false;
newBGM();
tmScore.start();
tmTimeAlive.start();
}
//setup phase is off
else if(tmTime.getTicks()>WAVE_LENGTH) {
iWave++;
nextWave();
tmTime.start();
}
//change music after 90 seconds
if(tmMusic.getTicks()>90000) {
newBGM();
tmMusic.start();
}
//score acceleration
if(tmTimeAlive.getTicks()>30000) iScoreAccel=13;
else if(tmTimeAlive.getTicks()>15000) iScoreAccel=6;
else if(tmTimeAlive.getTicks()>7500) iScoreAccel=3;
else if(tmTimeAlive.getTicks()>0) iScoreAccel=1;
//score timing
if(tmScore.getTicks()>250) {
iScore+=iScoreAccel;
tmScore.start();
}
//1up timing
if(tmTimeAlive.getTicks()>45000) {
tmTimeAlive.start();
iLife++;
//don't let player have too many lives
//if 1up is allowed, play sound
if(iLife>5)iLife=5;
else if(Mix_PlayChannel(-1,chGain,0)==-1) return 1;
}
//while there's science to do
while(SDL_PollEvent(&event)) {
//ship controls
myship.handleInput();
//other controls
if(event.type==SDL_KEYDOWN) {
switch(event.key.keysym.sym) {
case SDLK_ESCAPE:
quitGame=true;
quitOver=true;
quitAll=true;
break;
case SDLK_x:
if(useBomb()==false) return 1;
break;
default:
;
}
}
//if the window gets X'd
if(event.type == SDL_QUIT) {
quitGame = true;
quitOver=true;
quitAll=true;
}
}
//update screen data
myship.move(tmDelta.getTicks()); //update ship's position
tmDelta.start(); //restart change of time timer
printb(0,0,sfBG,sfScreen); //print background
myship.show(); //print position to screen
if(diedRecently==true) printb(120,0,sfDeathOverlay,sfScreen,NULL);
if(bombedRecently==true) printb(120,0,sfBombFlash,sfScreen,NULL);
if(waveZero==true) { //reset bullets to original when looping game
printb(0,0,sfHowTo,sfScreen,NULL);
iMaxBul=-1;
}
for(i=0; i<=iMaxBul; i++) {
//player has died: do all relevant tracking
if(isCol(myship.hitbox,b[i].hitbox)) {
iLife--;
iBomb=3;
iScore-=50;
if(iLife==0) quitGame=true;
diedRecently=true;
b[i].hitbox.x=rand()%420-120;
b[i].hitbox.y=0;
tmDeathOverlay.start();
tmTimeAlive.start();
if(Mix_PlayChannel(-1,chDeath,0)==-1) return 1;
}
if(b[i].hitbox.x>515) b[i].hitbox.x=120;
if(b[i].hitbox.x<120) b[i].hitbox.x=515; //compensate for bullet width
if(b[i].hitbox.y>480) { //because collision is counted from sScore of the picture
b[i].hitbox.y=0; //so bulletwidth had to be subtracted
b[i].xVel=rand()%5-2; //bullet can travel left or right
b[i].yVel=rand()%4+1; //can only travel down
}
b[i].hitbox.y+=b[i].yVel;
b[i].hitbox.x+=b[i].xVel;
printb(b[i].hitbox.x,b[i].hitbox.y,sfBullet,sfScreen,NULL);
}
//expiry dates for death and bomb notifications
if(tmDeathOverlay.getTicks()>500) diedRecently=false;
if(tmBombFlash.getTicks()>250) bombedRecently=false;
//display all stats
renderHUD();
printb(7,50,sfHighScore,sfScreen,NULL);
//refresh the screen
if(SDL_Flip(sfScreen)==-1) return 1;
//limit the frame rate
if(tmFPS.getTicks()<1000/FRAMES_PER_SECOND) {
SDL_Delay((1000/FRAMES_PER_SECOND)-tmFPS.getTicks());
tmFPS.start();
}
frame++; //one frame has passed
//update this once per second
if(tmFPSUpd.getTicks()>1000) {
std::stringstream newCaption;
newCaption<<frame/(tmFPS.getTicks()/1000.f)<<" fps";
SDL_WM_SetCaption(newCaption.str().c_str(),NULL);
tmFPSUpd.start(); //restart for the next one-second wait
}
}
//store new high score, if there is one
if(iScore>iHighScore) {
FILE *pHighScoreW;
if((pHighScoreW=fopen("text/highscore.WhyCantIHoldAllTheseFileExtensions","w"))!=NULL) {
if(fprintf(pHighScoreW,"%d",iScore)==0) return 1;
}
fclose(pHighScoreW);
newHighScore=true;
}
//stop playing music
Mix_HaltMusic();
//game over runs here
while(quitOver==false) {
//some key events
while(SDL_PollEvent(&event)) {
if(event.type==SDL_KEYDOWN) {
switch(event.key.keysym.sym) {
case SDLK_RETURN:
quitOver=true;
break;
case SDLK_ESCAPE:
quitOver=true;
quitAll=true;
break;
default:
;
}
}
//if the window gets X'd
if(event.type == SDL_QUIT) {
quitOver=true;
quitAll=true;
}
}
//end surfaces
std::stringstream finalScore;
finalScore<<iScore;
sfScore=TTF_RenderText_Blended(fnFinalScore,finalScore.str().c_str(),clMenu);
//display restart prompt
FILE *pRestart;
char strRestart[30];
if((pRestart=fopen("text/enr.WhyCantIHoldAllTheseFileExtensions","r"))!=NULL) {
if(fgets(strRestart,30,pRestart)==NULL) return 1;
}
fclose(pRestart);
sfRestart=TTF_RenderText_Blended(fnMenu,strRestart,clScore);
//print everything
printb(0,0,sfOverBG,sfScreen,NULL);
printb((SCREEN_WIDTH-sfRestart->w)/2,385,sfRestart,sfScreen,NULL);
printb((SCREEN_WIDTH-sfScore->w)/2,240,sfScore,sfScreen,NULL);
if(newHighScore==true) printb(430,280,sfNewHigh,sfScreen,NULL);
//refresh the screen
if(SDL_Flip(sfScreen)==-1) return 1;
SDL_WM_SetCaption("Shutengu!!",NULL);
}
//reset loop conditions to allow replaying
resetGame();
}
//user has now quit
cleanUp();
return 0;
}
void renderUniverse(struct renderstate *render, struct simulation *sim,
struct universe *univ)
{
// SDL_Rect rect;
int i;
int rb, g;
double maxCharge = 0;
for (i = 0; i < univ->nextParticle; i++) {
if (univ->particles[i].isActive
&& fabs(univ->particles[i].charge) > maxCharge) {
maxCharge = fabs(univ->particles[i].charge);
}
}
SDL_SetRenderDrawColor(render->renderer, 0, 0, 0, 255);
SDL_RenderClear(render->renderer);
// FPS
render->frames++;
if ((SDL_GetTicks() - render->last_frame) > 1000) {
render->fps = render->frames;
render->frames = 0;
render->last_frame += 1000;
}
// render->point_count = 0;
for (i = 0; i < univ->nextParticle; i++) {
if (!univ->particles[i].isActive) {
continue;
}
double x =
(((univ->particles[i].xPos * univ->scale) +
render->xPos) * render->scale) + (render->width / 2);
double y =
(((univ->particles[i].yPos * univ->scale) +
render->yPos) * render->scale) + (render->height / 2);
double size =
(int)(univ->particles[i].size * render->scale *
univ->scale);
if (size < 1) {
size = 1;
}
if (univ->particles[i].charge == 0) {
g = 255;
rb = 0;
} else if (fabs(univ->particles[i].charge) < maxCharge / 2.0) {
g = 255;
rb = (int)(255.0 *
(fabs(univ->particles[i].charge) /
(maxCharge / 2.0)));
} else {
rb = 255;
g = (int)(255.0 *
((maxCharge -
fabs(univ->particles[i].charge)) /
(maxCharge / 2.0)));
}
if (univ->particles[i].charge < 0) {
SDL_SetRenderDrawColor(render->renderer, 0, g, rb, 255);
renderCircle(render, x, y, size);
} else {
SDL_SetRenderDrawColor(render->renderer, rb, g, 0, 255);
renderCircle(render, x, y, size);
}
// SDL_RenderFillRect(render->renderer, &rect);
}
// SDL_RenderDrawPoints(render->renderer, render->points,
// render->point_count);
renderHotParticle(render, sim, univ);
renderHUD(render, sim, univ);
SDL_RenderPresent(render->renderer);
}
void Perlin3DViewerWidget::paintGL()
{
int width = this->width();
int height = this->height();
glViewport( 0, 0, width / 4 * 3, height );
///
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
///
glUniformMatrix4fvARB( _shader._location_u_modelviewMatrix, 1, GL_FALSE, _viewMatrix.Ptr() );
glUniformMatrix4fvARB( _shader._location_u_projectionMatrix, 1, GL_FALSE, _projectionMatrix.Ptr() );
{ // HULL
glUniform4f( _shader._location_u_mode, 1, 1, 1, 0 );
bool lightEnabled = Navigator_GlobalValue::pTest->_lightEnabled;
glUniform1i( _shader._location_u_lightEnabled, lightEnabled ? 1 : 0 );
if (Navigator_GlobalValue::pTest->_polyEnabled)
{
for (Perlin3D_Chunk* element : _Perlin3D_Chunks)
if (element->isEnabled() &&
element->isVisible( _Frustum ))
element->render();
}
if (lightEnabled)
glUniform1i( _shader._location_u_lightEnabled, 0 );
glDepthFunc(GL_LEQUAL);
glUniform4f( _shader._location_u_mode, 0, 0, 0, 1 );
if (Navigator_GlobalValue::pTest->_lineEnabled)
{
for (Perlin3D_Chunk* element : _Perlin3D_Chunks)
if (element->isEnabled() &&
element->isVisible( _Frustum ))
element->render_lines();
}
glDepthFunc(GL_LESS);
} // /HULL
{ // BOX
glUniformMatrix4fvARB( _shader._location_u_projectionMatrix, 1, GL_FALSE, _projectionMatrix.Ptr() );
renderBoxes( _viewMatrix );
} // /BOX
{ // HUD
glClear(GL_DEPTH_BUFFER_BIT);
renderHUD();
} // /HUD
glFlush();
glCheckError();
}
int main(int argc, char* args[])
{
//quit flag
bool quit = false;
//frame rate regulator
Timer fps;
if(init() == false)
return 1;
if(load_files() == false)
return 1;
setButtons_and_Frames();
create_Tooltips();
//start frame counter
frame = 0;
//play music
//Mix_PlayMusic(mainMusic, -1);
//the player
Player *player0 = NULL;
//while in game
while(quit == false)
{
//start frame timer
fps.start();
//while events to handle
while(SDL_PollEvent(&event))
{
//player0 ship movement/ shooting
if(isPaused == false)
player0->handle_input();
else
quit = handle_menu_input();
//if user closes window
if(event.type == SDL_QUIT)
{
quit = true;
}
}
if(isPaused == false)
{
//background
apply_surface(0, 0, background, screen, &camera);
if(gameMode == 0)
{
doMainGame(player0);
}
else if(gameMode == 1)
doArcadeMode(player0);
//control units
player0->doUnit();
doGrunts();
doBoomers();
doStealths();
doCarriers();
doExplosions();
//HUD
renderHUD(player0);
}
else if(quit == false) //paused, show some sort of menu;
{
switch(menu) //show menu based on menu variable
{
case 0:
quit = doMainMenu();
//going to mainMenu, reset everything
if(player0 != NULL)
delete player0;
player0 = new Player;
reset();
break;
case 1: instructionsMenu(); break;
case 2: doPauseMenu(); break;
case 3: doSkillMenu(player0); break;
case 4: gameOverMenu(); break;
//case 5: doShopMenu(player0); break;
//if not valid menu, unpause game
case 6: victoryMenu(); break;
default: isPaused = false;
}
}
//update screen
if(SDL_Flip(screen) == -1)
return 1;
//cap frame rate
if(fps.get_ticks() < 1000 / FRAMES_PER_SECOND)
{
SDL_Delay((1000 / FRAMES_PER_SECOND) - fps.get_ticks());
}
frame++;
}
clean_up();
return 0;
}