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iron_curtain.cpp
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iron_curtain.cpp
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/* Source: iron-curtain.cpp
* Origin: asteroids.cpp
* Author: Gordon Griesel
* Date: 2014 - 2018
* Mods:
* Spring 2015:
* G. Greisel - added constructors
* Spring 2019:
* B. Garza -
* C. Manning -
* S. Austin -
* N. Jackson -
*/
#include <iostream>
#include <cstdlib>
#include <cstring>
#include <unistd.h>
#include <ctime>
#include <cmath>
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <GL/glx.h>
#include "fonts.h"
#include <stdio.h>
#include "core.h"
#include "andrewF.h"
#include "chadM.h"
#include "nickJA.h"
#ifdef USE_OPENAL_SOUND
#include </usr/include/AL/alut.h>
#endif //USE_OPENAL_SOUND
//defined types
typedef float Flt;
typedef float Vec[3];
typedef Flt Matrix[4][4];
//macros
#define rnd() (((Flt)rand())/(Flt)RAND_MAX)
#define random(a) (rand()%a)
#define VecZero(v) (v)[0]=0.0,(v)[1]=0.0,(v)[2]=0.0
#define MakeVector(x, y, z, v) (v)[0]=(x),(v)[1]=(y),(v)[2]=(z)
#define VecCopy(a,b) (b)[0]=(a)[0];(b)[1]=(a)[1];(b)[2]=(a)[2]
#define VecDot(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
#define VecSub(a,b,c) (c)[0]=(a)[0]-(b)[0]; \
(c)[1]=(a)[1]-(b)[1]; \
(c)[2]=(a)[2]-(b)[2]
//constants
const float timeslice = 1.0f;
const float gravity = -0.2f;
#define PI 3.141592653589793
#define ALPHA 1
const int MAX_BULLETS = 1000;
const int MAX_MISSILES = 1;
const float MAX_VELOCITY = 15;
const int MAX_PARTICLES = 3000;
float test[3] = {450.0, 900.0, 0.0};
float radius = 8.0;
float step = 0.0;
float d0, d1, dist;
//-------------------------------------------------------------------------- :
//Setup timers
const double physicsRate = 1.0 / 60.0;
const double oobillion = 1.0 / 1e9;
extern struct timespec timeStart, timeCurrent;
extern struct timespec timePause;
extern double physicsCountdown;
extern double timeSpan;
extern double timeDiff(struct timespec *start, struct timespec *end);
extern void timeCopy(struct timespec *dest, struct timespec *source);
//
extern void displayNick(float x, float y, GLuint texture);
//Externs -- Chad
extern void renderShip(Ship* ship);
extern void displayChad(float x, float y, GLuint texture);
extern void resetSpawnTimer();
extern bool mainLevel(double time);
void resetGame();
//Externs -- Andrew
extern void displayAndrew(float x, float y, GLuint texture);
extern int generateUpgrade();
extern void createExplosion(float x, float y);
extern void updateExplosion();
extern void renderExplosion();
//Externs Spencer
extern void soundTrack();
extern void displaySpencer(float x, float y, GLuint texture);
extern void displayStartScreen();
extern void displayGameControls();
extern void scrollingBackground();
extern void cannonFire();
extern void explodeShip();
extern void killSound();
extern void scrollingBackground2();
extern void shieldSound();
//Externs -- Benjamin
extern void displayBenjamin(float x, float y);
extern void displayStartScreen2();
extern void displayMenu();
extern void displayLoadingScreen();
extern void displayPauseMenu();
extern void displayHiddenWorld();
extern void displayErrorScreen();
extern void serverConnect(int);
extern void checkTimer();
extern void nextState();
extern void displayTheDuck();
//Externs -- Jackson
extern void displayNick(float x, float y, GLuint texture);
extern void spawnTank();
extern void spawnTank(int spawnNum);
extern void spawnTank(float x, float y);
extern void tankBackground();
//--------------------------------------------------------------------------
Image img[11] = {
"./img/NICKJA.jpg",
"./img/andrewimg.png",
"./img/spencerA.jpg",
"./img/chad-egg.jpg",
"./img/BGarza.jpg",
"./img/ironImage.jpg",
"./img/verticalBackground.jpg",
"./img/gameControls.jpg",
"./img/clouds.jpg" ,
"./img/tankBackground.png",
"./img/CommandoDuck.jpg"
};
Particle p[MAX_PARTICLES];
Hud hud;
Upgrade* up = NULL;
Global& gl = Global::getInstance();
Game g;
SpriteList SPR;
Tank playerTank;
EnemyTank *headTank = NULL;
EnemyTank *tailTank = NULL;
EnemyTank *eTank = NULL;
X11_wrapper x11;
EnemyShip *headShip = NULL;
EnemyShip *tailShip = NULL;
EnemyShip *eShip = NULL;
EnemyShip *e = NULL;
double gameTime = 0.0;
enum MOVETYPE { RUSH, STRAFE, CIRCLING, BANK, DIAG_RUSH};
//Function Prototypes
double getTimeSlice(Ship *ship, timespec* bt);
float convertToRads(float angle);
void init_opengl(void);
void check_mouse(XEvent *e);
int check_keys(XEvent *e);
void physics();
void render();
void resetGame();
int main()
{
init_opengl();
srand(time(NULL));
clock_gettime(CLOCK_REALTIME, &timePause);
clock_gettime(CLOCK_REALTIME, &timeStart);
int done = 0;
#ifdef USE_OPENAL_SOUND
alutInit(0, NULL);
#endif
soundTrack();
#ifdef DEBUG
spawnTank(gl.xres/2, gl.yres/2);
#endif
while (!done) {
while (x11.getXPending()) {
XEvent e = x11.getXNextEvent();
check_mouse(&e);
done = check_keys(&e);
}
if (gl.gameState != 3 && gl.gameState !=8) {
clock_gettime(CLOCK_REALTIME, &timeStart);
checkTimer();
}
else if (!done) {
clock_gettime(CLOCK_REALTIME, &timeCurrent);
timeSpan = timeDiff(&timeStart, &timeCurrent);
gameTime += timeSpan;
timeCopy(&timeStart, &timeCurrent);
physicsCountdown += timeSpan;
//If statement prevents mainLevel from running
//simultaneously with tank mode.
if (gl.gameState == 3) {
done = mainLevel(gameTime);
}
if (gameTime > 145)
resetGame();
while (physicsCountdown >= physicsRate) {
physics();
physicsCountdown -= physicsRate;
}
}
render();
x11.swapBuffers();
x11.clearWindow();
}
cleanup_fonts();
return 0;
}
void init_opengl(void)
{
hud.genTextures();
glViewport(0, 0, gl.xres, gl.yres);
glMatrixMode(GL_PROJECTION); glLoadIdentity();
glMatrixMode(GL_MODELVIEW); glLoadIdentity();
glOrtho(0, gl.xres, 0, gl.yres, -1, 1);
glDisable(GL_LIGHTING);
glDisable(GL_DEPTH_TEST);
glDisable(GL_FOG);
glDisable(GL_CULL_FACE);
glGenTextures(1, &gl.nickImage);
glGenTextures(1, &gl.andrewImage);
glGenTextures(1, &gl.spencerImage);
glGenTextures(1, &gl.chadImage);
glGenTextures(1, &gl.benImg);
glBindTexture(GL_TEXTURE_2D, gl.gameControls);
glBindTexture(GL_TEXTURE_2D, gl.ironImage);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, 3,img[5].width,img[5].height, 0, GL_RGB, GL_UNSIGNED_BYTE, img[5].data);
//Clear the screen to black
glClearColor(0.0, 0.0, 0.0, 1.0);
///scrolling background
gl.tex.xc[0] = 0.0;
gl.tex.xc[1] = 0.25;
gl.tex.yc[0] = 0.0;
gl.tex.yc[1] = 1.0;
}
void normalize2d(Vec v)
{
Flt len = v[0]*v[0] + v[1]*v[1];
if (len == 0.0f) {
v[0] = 1.0;
v[1] = 0.0;
return;
}
len = 1.0f / sqrt(len);
v[0] *= len;
v[1] *= len;
}
//CHECK MOUSE
void check_mouse(XEvent *e) {
static int savex = 0;
static int savey = 0;
//static int lbuttonDown = 0;
//static int rbuttonDown = 0;
Tank *t = &playerTank;
//If mouse moves, save new position.
if (savex != e->xbutton.x || savey != e->xbutton.y) {
savex = e->xbutton.x;
savey = e->xbutton.y;
}
if (gl.gameState == 8) {
t->tgt[0] = savex;
t->tgt[1] = gl.yres-savey;
}
}
int check_keys(XEvent *e)
{
Ship *s = &g.ship;
Tank *t = &playerTank;
if (e->type != KeyPress && e->type != KeyRelease)
return 0;
int key = XLookupKeysym(&e->xkey, 0);
if (e->type == KeyPress) {
switch (key) {
/*Game States
*1: Main Menu
*2:
*3:
*4: Pause Screen
*5: Credits
*6: Load Screen?
*7:
*/
case XK_y:
gl.gameState = 1;
break;
case XK_l:
if (gl.gameState == 2)
gl.chosen = false;
else
gl.gameState = 2;
break;
case XK_g:
if (gl.gameState == 1) {
checkTimer();
nextState();
}
else
gl.gameState = 3;
break;
case XK_o:
gl.gameState = 8;
break;
case XK_p: //Pause
gl.gameState = 4;
break;
case XK_c : //Credits
gl.gameState = 5;
break;
case XK_j:
gl.gameState = 6;
break;
case XK_z:
gl.gameState = 7;
break;
//Movements and Gameplay
case XK_a:
//moveLeft();
if (gl.gameState == 3 || gl.gameState == 8)
gl.keys[XK_a] = 1;
break;
case XK_d:
//moveRight();
if (gl.gameState == 3 || gl.gameState == 8)
gl.keys[XK_d] = 1;
break;
case XK_w:
if (gl.gameState == 3 || gl.gameState == 8)
gl.keys[XK_w] = 1;
break;
case XK_s:
if (gl.gameState == 3 || gl.gameState == 8)
gl.keys[XK_s] = 1;
break;
case XK_space:
if (gl.gameState == 3)
gl.keys[XK_space] = 1;
if (gl.gameState == 8) {
t->prm->fire(t);
}
//cannonFire();
break;
case XK_Escape:
if (gl.gameState == 1)
return 1;
else {
resetGame();
gl.gameState = 0;
}
break;
case XK_m:
if (s->scnd->armed) {
s->scnd->locked = true;
gl.keys[XK_m] = 1;
}
break;
case XK_1:
delete s->wpn;
s->wpn = new Basic;
s->equiped = basic;
break;
case XK_2:
delete s->wpn;
s->wpn = new Rapid;
s->equiped = rapid;
break;
case XK_3:
delete s->wpn;
s->wpn = new Scatter;
s->equiped = scatter;
break;
case XK_4:
delete s->wpn;
s->wpn = new Ring;
break;
case XK_5:
delete s->wpn;
s->wpn = new Pinwheel;
break;
case XK_6:
delete s->wpn;
s->wpn = new EnemyStd;
break;
case XK_b:
s->shield->status = !s->shield->status;
clock_gettime(CLOCK_REALTIME, &s->shield->shieldTimer);
shieldSound();
break;
case XK_Shift_R:
if (headShip != NULL && s->scnd->ready) {
s->scnd->armed = true;
s->scnd->reticle.e = headShip;
s->scnd->reticle.update();
}
break;
case XK_period:
if (s->scnd->locked != true && s->scnd->armed) {
if (s->scnd->reticle.e->nextShip != NULL)
s->scnd->reticle.e = s->scnd->reticle.e->nextShip;
else
s->scnd->reticle.e = headShip;
}
break;
case XK_comma:
if (s->scnd->locked != true && s->scnd->armed) {
if (s->scnd->reticle.e->prevShip != NULL)
s->scnd->reticle.e = s->scnd->reticle.e->prevShip;
else
s->scnd->reticle.e = tailShip;
}
break;
case XK_t:
if (gl.gameState == 8)
spawnTank();
break;
case XK_q:
delete tailTank;
break;
}
}
if (e->type == KeyRelease) {
switch (key) {
case XK_a:
//s->vel[0] = 10.0;
gl.keys[XK_a] = 0;
break;
case XK_d:
//s->vel[0] = 10.0;
gl.keys[XK_d] = 0;
break;
case XK_w:
gl.keys[XK_w] = 0;
if (gl.gameState == 8)
t->moving = false;
break;
case XK_s:
gl.keys[XK_s] = 0;
if (gl.gameState == 8)
t->moving = false;
break;
case XK_space:
gl.keys[XK_space] = 0;
break;
case XK_m:
gl.keys[XK_m] = 0;
break;
}
}
return 0;
}
void physics()
{
//float spdLeft, spdRight, spdUp, spdDown;
Ship *s = &g.ship;
Tank *t = &playerTank;
if (s->pos[0] < 20.0) {
s->pos[0] = 20.0;
} else if (s->pos[0] > gl.xres - 20.0) {
s->pos[0] = gl.xres - 20;
} else if (s->pos[1] < 20.0) {
s->pos[1] = 20.0;
} else if (s->pos[1] > gl.yres - 20.0) {
s->pos[1] = gl.yres - 20.0;
}
//Update positions of all enemy ships
e = headShip;
while(e != NULL){
e->updatePosition();
if (e->pos[1] < -30) {
e->destroyShip();
}
e = e->nextShip;
}
// Update position of reticle
if (s->scnd->armed) {
s->scnd->reticle.update();
}
//Delete player bullets that are offscreen
struct timespec bt;
clock_gettime(CLOCK_REALTIME, &bt);
int i = 0;
while (i < g.nPlayerBullets) {
Bullet *b = &g.playerBarr[i];
if (b->pos[1] > gl.yres + 10 || b->pos[1] < -10.0 ||
b->pos[0] > gl.xres + 10 || b->pos[0] < -10.0) {
memcpy(&g.playerBarr[i], &g.playerBarr[g.nPlayerBullets - 1], sizeof(Bullet));
g.nPlayerBullets--;
continue;
}
b->pos[0] += b->vel[0];
b->pos[1] += b->vel[1];
i++;
}
i = 0;
//Delete enemy bullets that are off screen
while (i < g.nEnemyBullets) {
Bullet *b = &g.enemyBarr[i];
if (b->pos[1] > gl.yres + 10 || b->pos[1] < -10.0 ||
b->pos[0] > gl.xres + 10 || b->pos[0] < -10.0) {
memcpy(&g.enemyBarr[i], &g.enemyBarr[g.nEnemyBullets - 1],
sizeof(Bullet));
g.nEnemyBullets--;
continue;
}
b->pos[0] += b->vel[0];
b->pos[1] += b->vel[1];
i++;
}
i = 0;
e = headShip;
if (e != NULL) {
while (i < g.nmissiles) {
Missile *m = &g.marr[i];
d0 = s->scnd->reticle.e->pos[0] - m->pos[0];
d1 = s->scnd->reticle.e->pos[1] - m->pos[1];
dist = (d0*d0 + d1*d1);
if (dist < (radius * radius)) {
//Generate explosion
createExplosion(e->pos[0], e->pos[1]);
//Destroy enemy ship
g.playerScore += e->getDeathScore();
e->destroyShip();
memcpy(&g.marr[i], &g.marr[g.nmissiles - 1], sizeof(Missile));
g.nmissiles--;
s->scnd->armed = false;
s->scnd->locked = false;
continue;
}
step += 0.01;
m->tracking(s->scnd->reticle.e->pos, step);
if (step > 1.0)
step = 0.0;
i++;
}
if (gl.gameState == 3) {}
//==================================
// ENEMY COLLISION DETECTION
//==================================
//If collision detected:
// 1. delete the bullet
// 2. delete the ship
i = 0;
while (i < g.nPlayerBullets) {
//is there a bullet within its radius?
e = headShip;
while (e != NULL) {
Bullet *b = &g.playerBarr[i];
Flt d0 = b->pos[0] - e->pos[0];
Flt d1 = b->pos[1] - e->pos[1];
Flt dist = (d0*d0 + d1*d1);
if (dist < (e->getRadius()*e->getRadius())) {
//determine if upgrade drops
if(generateUpgrade() && up == NULL) {
up = new Upgrade(e->pos[0], e->pos[1]);
}
e->takeDamage(1);
//If health is zero destroy ship
if (e->getHealth() < 1) {
//generate explosion
createExplosion(e->pos[0], e->pos[1]);
explodeShip();
//delete the ship
e->destroyShip();
g.playerScore += e->getDeathScore();
}
//delete the bullet
memcpy(&g.playerBarr[i], &g.playerBarr[g.nPlayerBullets - 1], sizeof(Bullet));
g.nPlayerBullets--;
}
e = e->nextShip;
if (headShip == NULL) {
break;
}
}
i++;
}
#ifndef DEBUG
//=================================
// PLAYER COLLISION DETECTION
//=================================
s = &g.ship;
i = 0;
while(i < g.nEnemyBullets){
while (i < g.nEnemyBullets) {
Bullet *b = &g.enemyBarr[i];
Flt d0 = b->pos[0] - s->pos[0];
Flt d1 = b->pos[1] - s->pos[1];
Flt dist = (d0*d0 + d1*d1);
if (dist < (s->detRadius*s->detRadius)) {
//take damage
(s->health)--;
//delete the bullet
memcpy(&g.enemyBarr[i], &g.enemyBarr[g.nEnemyBullets-1],
sizeof(Bullet));
g.nEnemyBullets--;
if (s->health == 0) {
serverConnect(g.playerScore);
printf("Game Over!\n Score = %d\n", g.playerScore);
resetGame();
}
}
if (s->shield->status && s->shield->detectCollision(dist)) {
memcpy(&g.enemyBarr[i], &g.enemyBarr[g.nEnemyBullets-1],
sizeof(Bullet));
g.nEnemyBullets--;
}
i++;
}
}
#endif
}
// Did the ship hit an upgrade container?
if (up != NULL) {
int drop = up->detectCollision(s->pos[0], s->pos[1]);
switch(drop) {
case 0:
break;
case 1:
delete s->wpn;
s->wpn = new Rapid;
s->equiped = rapid;
delete up;
up = NULL;
break;
case 2:
delete s->wpn;
s->wpn = new Scatter;
s->equiped = scatter;
delete up;
up = NULL;
break;
case 3:
s->shield->status = true;
shieldSound();
clock_gettime(CLOCK_REALTIME, &s->shield->shieldTimer);
delete up;
up = NULL;
break;
}
}
// Is shield out of power?
if (s->shield->status)
s->shield->checkTime();
if (gl.keys[XK_a] && gl.gameState == 3) {
s->pos[0] -= s->vel[0];
s->vel[0] += s->speed;
if (s->vel[0] > MAX_VELOCITY)
s->vel[0] = MAX_VELOCITY;
} else {
if(s->vel[0] > 0.0) {
s->pos[0] -= s->vel[0];
s->vel[0] -= s->speed;
} else {
s->vel[0] = 0.0;
}
}
if (gl.keys[XK_a] && gl.gameState == 8) {
t->angle++;
t->tAngle++;
}
if (gl.keys[XK_d] && gl.gameState == 3) {
s->pos[0] += s->vel[1];
s->vel[1] += s->speed;
if (s->vel[1] > MAX_VELOCITY)
s->vel[1] = MAX_VELOCITY;
} else {
if(s->vel[1] > 0.0) {
s->pos[0] += s->vel[1];
s->vel[1] -= s->speed;
} else {
s->vel[1] = 0.0;
}
}
if (gl.keys[XK_d] && gl.gameState == 8) {
t->angle--;
t->tAngle--;
}
if (gl.keys[XK_w] && gl.gameState == 3) {
s->pos[1] += s->vel[2];
s->vel[2] += s->speed;
if (s->vel[2] > MAX_VELOCITY)
s->vel[2] = MAX_VELOCITY;
} else {
if(s->vel[2] > 0.0) {
s->pos[1] += s->vel[2];
s->vel[2] -= s->speed;
} else {
s->vel[2] = 0.0;
}
}
if (gl.keys[XK_w] && gl.gameState == 8) {
t->vel[0] += 0.5;
t->moving = true;
}
if (gl.keys[XK_s] && gl.gameState == 3) {
s->pos[1] -= s->vel[3];
s->vel[3] += s->speed;
if (s->vel[3] > MAX_VELOCITY)
s->vel[3] = MAX_VELOCITY;
} else {
if(s->vel[3] > 0.0) {
s->pos[1] -= s->vel[3];
s->vel[3] -= s->speed;
} else {
s->vel[3] = 0.0;
}
}
if (gl.keys[XK_s] && gl.gameState == 8) {
t->vel[0] -= 0.5;
t->moving = true;
}
if (gl.keys[XK_space]) {
s->wpn->fire();
//cannonFire();
}
i = 0;
e = headShip;
while (e != NULL) {
e->eWpn->fire(e);
e = e->nextShip;
}
if (gl.keys[XK_m]) {
s->scnd->fire();
s->scnd->ready = false;
}
if (g.thrustOn) {
struct timespec mtt;
clock_gettime(CLOCK_REALTIME, &mtt);
double tdif = timeDiff(&mtt, &g.thrustTimer);
if (tdif < -0.3)
g.thrustOn = false;
}
//Update Explosions
updateExplosion();
//Check to see if missile is reloaded
if (!s->scnd->ready) {
s->scnd->reload();
}
if (gl.gameState != 8) {
//scrolling physics
gl.tex.xc[0] -=0.0007;
gl.tex.xc[1] -=0.0007;
}
if (gl.gameState == 8) {
//Check for collisions with enemy tanks
i = 0;
while (i < g.nPlayerBullets) {
//is there a bullet within its radius?
eTank = headTank;
while (eTank != NULL) {
Bullet *b = &g.playerBarr[i];
d0 = b->pos[0] - eTank->pos[0];
d1 = b->pos[1] - eTank->pos[1];
dist = (d0*d0 + d1*d1);
if (dist < (eTank->radius * eTank->radius)) {
//determine if upgrade drops
//if(generateUpgrade() && up == NULL) {
// up = new Upgrade(e->pos[0], e->pos[1]);
//}
//If health is zero destroy ship
//if (e->getHealth() < 1) {
//generate explosion
createExplosion(eTank->pos[0], eTank->pos[1]);
explodeShip();
//delete the ship
delete eTank;;
g.playerScore += eTank->killScore;
//delete the bullet
memcpy(&g.playerBarr[i], &g.playerBarr[g.nPlayerBullets - 1], sizeof(Bullet));
g.nPlayerBullets--;
}
eTank = eTank->nextTank;
if (headTank == NULL)
break;
}
i++;
}
#ifndef DEBUG
//Check player tank collisions
i = 0;
while(i < g.nEnemyBullets){
Bullet *b = &g.enemyBarr[i];
Flt d0 = b->pos[0] - t->pos[0];
Flt d1 = b->pos[1] - t->pos[1];
Flt dist = (d0*d0 + d1*d1);
if (dist < (s->detRadius*t->playerRad)) {
//take damage
(t->health)--;
//delete the bullet
memcpy(&g.enemyBarr[i], &g.enemyBarr[g.nEnemyBullets-1],
sizeof(Bullet));
g.nEnemyBullets--;
if (t->health == 0) {
createExplosion(t->pos[0], t->pos[1]);
explodeShip();
serverConnect(g.playerScore);
printf("Game Over!\n Score = %d\n", g.playerScore);
resetGame();
}
}
//if (s->shield->status && s->shield->detectCollision(dist)) {
// memcpy(&g.enemyBarr[i], &g.enemyBarr[g.nEnemyBullets-1],
// sizeof(Bullet));
// g.nEnemyBullets--;
i++;
}
#endif
//Move Enemy Tanks
eTank = headTank;
while (eTank != NULL) {
if (eTank->needNewDirection) {
eTank->generatePositions();
eTank->pickMovTgt();
}
eTank->prm->enemyFire(eTank);
eTank->updateAngle();
eTank->updateTarget(t->pos[0], t->pos[1]);
eTank->moveEnemyTank();
eTank = eTank->nextTank;
}
//Move Player Tank
t->moveTank();
if (headTank == NULL)
{
spawnTank(g.tier);
g.tier++;
}
}
return;
}
void render()
{
if (gl.gameState == 0){ //Startup
//init regular background
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, gl.gameControls);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, 3,img[7].width,img[7].height, 0, GL_RGB, GL_UNSIGNED_BYTE, img[7].data);
displayStartScreen();
glDisable(GL_TEXTURE_2D);
} else if (gl.gameState == 1){ //Menu
//init regular background
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, gl.gameControls);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, 3,img[7].width,img[7].height, 0, GL_RGB, GL_UNSIGNED_BYTE, img[7].data);
displayMenu();
glDisable(GL_TEXTURE_2D);
} else if (gl.gameState == 2){ //Loading
// displayLoadingScreen();
//init regular background
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, gl.theDuck);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, 3,img[10].width,img[10].height, 0, GL_RGB, GL_UNSIGNED_BYTE, img[10].data);
displayTheDuck();
glDisable(GL_TEXTURE_2D);
} else if (gl.gameState == 3) { //Gameplay
Ship* s = &g.ship;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
//scrolling background
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, gl.verticalBackground);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, 3,img[6].width,img[6].height, 0, GL_RGB, GL_UNSIGNED_BYTE, img[6].data);
/* glBindTexture(GL_TEXTURE_2D, gl.clouds);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, 3,img[8].width,img[8].height, 0, GL_RGB, GL_UNSIGNED_BYTE, img[8].data);
*/
scrollingBackground();
scrollingBackground2();
glDisable(GL_TEXTURE_2D);
//Draw Upgrade
if (up != NULL) {
up->drawUpgrade();
}
//Draw HUD
hud.drawHud(s->health, s->equiped, g.playerScore, s->scnd->ready);
//Draw ships
//renderShip(s);
SPR.drawPhantom(s->pos[0], s->pos[1], 0);
if (s->shield->status)
s->shield->drawShield(s->pos);
EnemyShip *e = headShip;
while(e != NULL){
//renderShip(e);
SPR.drawMig(e->pos[0], e->pos[1], 180);
e = e->nextShip;
}
if (s->scnd->armed)
s->scnd->reticle.drawReticle(s->scnd->locked);
//Render explosions
renderExplosion();
for (int i = 0; i < g.nPlayerBullets; i++) {