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main.c
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main.c
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/*
James William Fletcher ( notabug.org/Vandarin )
December 2023 ( github.com/mrbid )
It's Serious Shooter! Not Serious Tux, yet, Sam!
*/
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#ifdef WEB
#include <emscripten.h>
#include <emscripten/html5.h>
#define GL_GLEXT_PROTOTYPES
#define EGL_EGLEXT_PROTOTYPES
#endif
#define uint GLuint
#define sint GLint
#include "inc/gl.h"
#define GLFW_INCLUDE_NONE
#include "inc/glfw3.h"
#define fTime() (float)glfwGetTime()
#define MAX_MODELS 34 // hard limit, be aware and increase if needed
#include "inc/esAux5.h"
#include "inc/res.h"
#include "assets/crosshair.h" //31
#ifdef LOW
#include "assets/low/scene.h" //0
#include "assets/low/ak47.h" //1
#include "assets/low/pistol.h" //2
#include "assets/low/revolver.h" //3
#include "assets/low/flash.h" //4
#include "assets/low/pig1.h" //5
#include "assets/low/pig2.h" //6
#include "assets/low/girl.h" //7
#include "assets/low/octo.h" //8
#include "assets/low/bird1.h" //9
#include "assets/low/snail.h" //10
#include "assets/low/thing.h" //11
#include "assets/low/ted1.h" //12
#include "assets/low/bird2.h" //13
#include "assets/low/dunno.h" //14
#include "assets/low/owl.h" //15
#include "assets/low/cat.h" //16
#include "assets/low/bunny.h" //17
#include "assets/low/alien1.h" //18
#include "assets/low/ted2.h" //19
#include "assets/low/alien2.h" //20
#include "assets/low/deer.h" //21
#include "assets/low/ted3.h" //22
#include "assets/low/eye.h" //23
#include "assets/low/fox.h" //24
#include "assets/low/mystic.h" //25
#include "assets/low/devil.h" //26
#include "assets/low/cop.h" //27
#include "assets/low/queen.h" //28
#include "assets/low/pharo.h" //29
#include "assets/low/ufo.h" //30
#include "assets/low/colt.h" //32
#include "assets/low/goldak.h" //33
#elif MED
#include "assets/med/scene.h" //0
#include "assets/med/ak47.h" //1
#include "assets/med/pistol.h" //2
#include "assets/med/revolver.h" //3
#include "assets/med/flash.h" //4
#include "assets/med/pig1.h" //5
#include "assets/med/pig2.h" //6
#include "assets/med/girl.h" //7
#include "assets/med/octo.h" //8
#include "assets/med/bird1.h" //9
#include "assets/med/snail.h" //10
#include "assets/med/thing.h" //11
#include "assets/med/ted1.h" //12
#include "assets/med/bird2.h" //13
#include "assets/med/dunno.h" //14
#include "assets/med/owl.h" //15
#include "assets/med/cat.h" //16
#include "assets/med/bunny.h" //17
#include "assets/med/alien1.h" //18
#include "assets/med/ted2.h" //19
#include "assets/med/alien2.h" //20
#include "assets/med/deer.h" //21
#include "assets/med/ted3.h" //22
#include "assets/med/eye.h" //23
#include "assets/med/fox.h" //24
#include "assets/med/mystic.h" //25
#include "assets/med/devil.h" //26
#include "assets/med/cop.h" //27
#include "assets/med/queen.h" //28
#include "assets/med/pharo.h" //29
#include "assets/med/ufo.h" //30
#include "assets/med/colt.h" //32
#include "assets/med/goldak.h" //33
#else
#include "assets/high/scene.h" //0
#include "assets/high/ak47.h" //1
#include "assets/high/pistol.h" //2
#include "assets/high/revolver.h" //3
#include "assets/high/flash.h" //4
#include "assets/high/pig1.h" //5
#include "assets/high/pig2.h" //6
#include "assets/high/girl.h" //7
#include "assets/high/octo.h" //8
#include "assets/high/bird1.h" //9
#include "assets/high/snail.h" //10
#include "assets/high/thing.h" //11
#include "assets/high/ted1.h" //12
#include "assets/high/bird2.h" //13
#include "assets/high/dunno.h" //14
#include "assets/high/owl.h" //15
#include "assets/high/cat.h" //16
#include "assets/high/bunny.h" //17
#include "assets/high/alien1.h" //18
#include "assets/high/ted2.h" //19
#include "assets/high/alien2.h" //20
#include "assets/high/deer.h" //21
#include "assets/high/ted3.h" //22
#include "assets/high/eye.h" //23
#include "assets/high/fox.h" //24
#include "assets/high/mystic.h" //25
#include "assets/high/devil.h" //26
#include "assets/high/cop.h" //27
#include "assets/high/queen.h" //28
#include "assets/high/pharo.h" //29
#include "assets/high/ufo.h" //30
#include "assets/high/colt.h" //32
#include "assets/high/goldak.h" //33
#endif
//*************************************
// globals
//*************************************
const char appTitle[]="Serious Shooter";
GLFWwindow* window;
uint winw=1024, winh=768;
float t=0.f, dt=0.f, lt=0.f, ltut = 0.f, st=0.f, fc=0.f, lfct=0.f, aspect;
double mx,my,lx,ly,ww,wh;
uint ldown = 0;
// render state
mat projection, view, model, modelview;
// game vars
#define FAR_DISTANCE 333.f
#define NEWGAME_SEED 1337
char tts[32];
uint keystate[5] = {0};
// camera vars
uint focus_cursor = 0;
double sens = 0.003f;
float xrot = 0.f;
vec lookx, looky, lookz;
// player vars
float MOVE_SPEED = 0.6f;
vec pp;
// weapons vars
uint weapon = 1;
float wepoff = 0.f;
float wepkick = 0.f;
float wepflash = 0.f;
float wepfreq = 0.f;
uint rkick = 0;
// stats
uint shotshit;
uint shotsfired;
uint alienskilled;
uint normieskilled;
// ufo
vec ufo_pos;
vec ufo_spawnpos;
// enemies
#define MAX_ENEMIES 128
uint et[MAX_ENEMIES]; // type (0 = free)
uint ed[MAX_ENEMIES]; // dying state
float edr[MAX_ENEMIES]; // dying state rotation
uint ehs[MAX_ENEMIES]; // hit state
float ehsr[MAX_ENEMIES]; // hit state rotation
float ex[MAX_ENEMIES]; // pos x-coord
float ey[MAX_ENEMIES]; // pos y-coord
float edx[MAX_ENEMIES]; // dir x-coord
float edy[MAX_ENEMIES]; // dir y-coord
float es[MAX_ENEMIES]; // speed
int eh[MAX_ENEMIES]; // hits left (like health)
uint emh[MAX_ENEMIES]; // max hits (like max health)
float eut[MAX_ENEMIES]; // next dir update time
float nespt = 0.f;
//*************************************
// utility functions
//*************************************
void timestamp(char* ts)
{
const time_t tt = time(0);
strftime(ts, 16, "%H:%M:%S", localtime(&tt));
}
void timeTaken(uint ss)
{
if(ss == 1)
{
const double tt = t-st;
if(tt < 60.0)
sprintf(tts, "%.0f Sec", tt);
else if(tt < 3600.0)
sprintf(tts, "%.2f Min", tt * 0.016666667);
else if(tt < 216000.0)
sprintf(tts, "%.2f Hr", tt * 0.000277778);
else if(tt < 12960000.0)
sprintf(tts, "%.2f Days", tt * 0.00000463);
}
else
{
const double tt = t-st;
if(tt < 60.0)
sprintf(tts, "%.0f Seconds", tt);
else if(tt < 3600.0)
sprintf(tts, "%.2f Minutes", tt * 0.016666667);
else if(tt < 216000.0)
sprintf(tts, "%.2f Hours", tt * 0.000277778);
else if(tt < 12960000.0)
sprintf(tts, "%.2f Days", tt * 0.00000463);
}
}
void updateModelView()
{
mMul(&modelview, &model, &view);
glUniformMatrix4fv(modelview_id, 1, GL_FALSE, (float*)&modelview.m[0][0]);
}
void updateTitle()
{
if(t < 8.f){return;}
char tmp[256];
sprintf(tmp, "🔫 %u/%u - 👽 %u - 🤦 %u", shotshit, shotsfired, alienskilled, normieskilled);
glfwSetWindowTitle(window, tmp);
}
//*************************************
// game functions
//*************************************
void resetEnemy(const uint id)
{
et[id] = 0; // type (0 = free)
ed[id] = 0; // dying state
edr[id] = 0.f; // dying state rotation
ehs[id] = 0; // hit state
ehsr[id] = 0.f; // hit state rotation
ex[id] = 0.f; // pos x-coord
ey[id] = 0.f; // pos y-coord
edx[id] = 0.f; // dir x-coord
edy[id] = 0.f; // dir y-coord
es[id] = 0.f; // speed
eh[id] = 0; // hits left (like health)
emh[id] = 0; // max hits (like max health)
eut[id] = 0.f; // next dir update time
}
void spawnEnemyPos(const float x, const float y)
{
for(uint i = 0; i < MAX_ENEMIES; i++)
{
if(et[i] == 0)
{
et[i] = esRand(1, 20);
const float a = esRandFloat(-PI, PI);
ex[i] = x, ey[i] = y;
es[i] = esRandFloat(1.f, 3.f);
emh[i]= esRand(4, 16);
eh[i] = emh[i];
break;
}
}
}
void spawnAlienPos(const float x, const float y)
{
for(uint i = 0; i < MAX_ENEMIES; i++)
{
if(et[i] == 0)
{
et[i] = esRand(20, 25);
const float a = esRandFloat(-PI, PI);
ex[i] = x, ey[i] = y;
es[i] = esRandFloat(3.f, 5.f);
emh[i]= esRand(16, 24);
eh[i] = emh[i];
break;
}
}
}
void spawnEnemy()
{
const float a = esRandFloat(-PI, PI);
spawnEnemyPos(83.f * cosf(a), 83.f * sinf(a));
}
void doAttack()
{
shotsfired++;
// normalise look dir
float lx = lookz.x, ly = lookz.y;
const float len = 1.f/sqrtf(lx*lx + ly*ly);
lx *= len, ly *= len;
// enemies
int sid = -1;
float sdis = 333.f;
for(uint i = 0; i < MAX_ENEMIES; i++)
{
if(et[i] != 0 && ed[i] == 0)
{
float tlx = lx, tly = ly;
float xm = (-pp.x - ex[i]);
float ym = (-pp.y - ey[i]);
float dist1 = sqrtf(xm*xm + ym*ym);
tlx *= dist1;
tly *= dist1;
tlx += -pp.x;
tly += -pp.y;
xm = (tlx - ex[i]);
ym = (tly - ey[i]);
float dist = xm*xm + ym*ym;
if(weapon == 4 && dist < 0.36f) // let the gold colt go through multiple enemies at once
{
shotshit++;
eh[i]-=1337;
ehs[i] = 1;
if(eh[i] <= 0)
{
eh[i] = 0;
if(ed[i] == 0)
{
if(et[i] >= 20 && et[i] <= 25){alienskilled++;}else{normieskilled++;}
updateTitle();
}
ed[i] = 1;
}
}
else if(dist < 0.36f && dist1 < sdis) // all other guns hit the nearest and stop there
{
sdis = dist1;
sid = i;
}
}
}
if(sid != -1)
{
shotshit++;
if(weapon == 1){eh[sid]-=4;}
else if(weapon == 2){eh[sid]-=8;}
else if(weapon == 3){eh[sid]--;}
else if(weapon == 5){eh[sid]-=1337;}
ehs[sid] = 1;
if(eh[sid] <= 0)
{
eh[sid] = 0;
if(ed[sid] == 0)
{
if(et[sid] >= 20 && et[sid] <= 25){alienskilled++;}else{normieskilled++;}
updateTitle();
}
ed[sid] = 1;
}
}
}
void newGame(unsigned int seed)
{
srand(seed);
srandf(seed);
pp = (vec){0.f, 0.f, 0.f};
ufo_pos = (vec){0.f, 0.f, 3.f};
const float a = esRandFloat(-PI, PI);
const float r = esRandFloat(70.f, 83.f);
ufo_spawnpos.x = r * cosf(a);
ufo_spawnpos.y = r * sinf(a);
weapon = 1;
wepoff = 0.f;
wepkick = 0.f;
wepflash = 0.f;
wepfreq = 0.f;
rkick = 0;
xrot = 0.f;
lt = 0.f;
ltut = 0.f;
nespt = 0.f;
shotshit = 0;
shotsfired = 0;
alienskilled = 0;
normieskilled = 0;
for(uint i = 0; i < MAX_ENEMIES; i++)
resetEnemy(i);
char strts[16];
timestamp(&strts[0]);
printf("[%s] Game Start [%u].\n", strts, seed);
glfwSetWindowTitle(window, appTitle);
glfwSetTime(0.0);
}
//*************************************
// update & render
//*************************************
void main_loop()
{
//*************************************
// core logic
//*************************************
fc++;
glfwPollEvents();
t = fTime();
dt = t-lt;
lt = t;
#ifdef WEB
EmscriptenPointerlockChangeEvent e;
if(emscripten_get_pointerlock_status(&e) == EMSCRIPTEN_RESULT_SUCCESS)
{
if(focus_cursor == 0 && e.isActive == 1)
{
glfwGetCursorPos(window, &lx, &ly);
}
focus_cursor = e.isActive;
}
#endif
//*************************************
// game logic
//*************************************
// update title every second
if(t > ltut)
{
updateTitle();
ltut = t + 1.0f;
}
// collision bounds
float pmod = pp.x*pp.x + pp.y*pp.y;
if(pmod > 7056.f)
{
pmod = sqrt(pp.x*pp.x + pp.y*pp.y);
float nx = pp.x, ny = pp.y;
const float len = 1.f/sqrtf(nx*nx + ny*ny);
nx *= len, ny *= len;
const float d = pmod-84.f;
nx *= d, ny *= d;
pp.x -= nx, pp.y -= ny;
}
// forward & backward
if(keystate[2] == 1)
{
vec m;
vMulS(&m, lookz, MOVE_SPEED * dt);
vSub(&pp, pp, m);
}
else if(keystate[3] == 1)
{
vec m;
vMulS(&m, lookz, MOVE_SPEED * dt);
vAdd(&pp, pp, m);
}
// strafe left & right
if(keystate[0] == 1)
{
vec m;
vMulS(&m, lookx, MOVE_SPEED * dt);
vSub(&pp, pp, m);
}
else if(keystate[1] == 1)
{
vec m;
vMulS(&m, lookx, MOVE_SPEED * dt);
vAdd(&pp, pp, m);
}
// sprint
if(keystate[4] == 1)
{
MOVE_SPEED = 16.3f;
}
else
{
MOVE_SPEED = 4.2f;
}
// lock to floor
pp.z = -1.3f;
// enemy spawner
if(t > nespt)
{
spawnEnemy();
nespt = t + esRandFloat(0.1f, 4.f);
}
if(ufo_pos.x == ufo_spawnpos.x && ufo_pos.y == ufo_spawnpos.y)
{
spawnAlienPos(ufo_spawnpos.x, ufo_spawnpos.y);
const float a = esRandFloat(-PI, PI);
const float r = esRandFloat(70.f, 83.f);
ufo_spawnpos.x = r * cosf(a);
ufo_spawnpos.y = r * sinf(a);
}
// move ufo
const float uxi = ufo_spawnpos.x - ufo_pos.x;
const float uyi = ufo_spawnpos.y - ufo_pos.y;
if(fabsf(uxi) < 0.01f){ufo_pos.x = ufo_spawnpos.x;}
if(fabsf(uyi) < 0.01f){ufo_pos.y = ufo_spawnpos.y;}
ufo_pos.x += uxi*0.01f;
ufo_pos.y += uyi*0.01f;
//*************************************
// camera
//*************************************
if(focus_cursor == 1)
{
glfwGetCursorPos(window, &mx, &my);
xrot += (lx-mx)*sens;
lx = mx;
}
mIdent(&view);
mRotate(&view, d2PI, 1.f, 0.f, 0.f);
mRotate(&view, xrot, 0.f, 0.f, 1.f);
mTranslate(&view, pp.x, pp.y, pp.z);
// get look dir/axes
mGetViewZ(&lookz, view);
mGetViewX(&lookx, view);
mGetViewY(&looky, view);
//*************************************
// render
//*************************************
// clear buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// render scene
glUniformMatrix4fv(modelview_id, 1, GL_FALSE, (float*)&view.m[0][0]);
esBindRender(0);
// render ufo
mIdent(&model);
mSetPos(&model, ufo_pos);
mRotZ(&model, t * 2.f);
updateModelView();
esBindRender(30);
// render enemies
for(uint i = 0; i < MAX_ENEMIES; i++)
{
if(et[i] != 0)
{
mIdent(&model);
mSetPos(&model, (vec){ex[i], ey[i], 0.f});
mSetDir(&model, (vec){edx[i], edy[i], 0.f});
if(ed[i] == 1)
{
if(edr[i] > d2PI)
{
mSetPos(&model, (vec){ex[i], ey[i], -(edr[i]-d2PI)});
if(et[i] == 1 || et[i] == 2 || et[i] == 5 || et[i] == 6 || et[i] == 9 || et[i] == 12 || et[i] == 13 || et[i] == 17)
mRotX(&model, d2PI);
else
mRotY(&model, d2PI);
edr[i] += 0.75f * dt;
if(edr[i] > d2PI+3.f)
{
resetEnemy(i);
continue;
}
}
else
{
if(et[i] == 1 || et[i] == 2 || et[i] == 5 || et[i] == 6 || et[i] == 9 || et[i] == 12 || et[i] == 13 || et[i] == 17)
mRotX(&model, edr[i]);
else
mRotY(&model, edr[i]);
edr[i] += 3.6f * dt;
}
}
else
{
if(ehs[i] > 0)
{
edx[i] = -pp.x, edy[i] = -pp.y;
edx[i] -= ex[i], edy[i] -= ey[i];
const float len = 1.f/sqrtf(edx[i]*edx[i] + edy[i]*edy[i]);
edx[i] *= len, edy[i] *= len;
mRotY(&model, ehsr[i]);
if(ehs[i] == 1)
{
ehsr[i] += 3.6f * dt;
if(ehsr[i] > 0.64f){ehs[i] = 2;}
}
else
{
ehsr[i] -= 3.6f * dt;
if(ehsr[i] <= 0.f)
{
ehs[i] = 0;
ehsr[i] = 0.f;
}
}
if(weapon == 2)
{
ex[i] -= edx[i] * 6.f * dt;
ey[i] -= edy[i] * 6.f * dt;
}
else
{
ex[i] -= edx[i] * 1.f * dt;
ey[i] -= edy[i] * 1.f * dt;
}
}
else
{
float emod = ex[i]*ex[i] + ey[i]*ey[i];
if(t > eut[i] || emod > 7056.f)
{
edx[i] = -pp.x, edy[i] = -pp.y;
edx[i] -= ex[i], edy[i] -= ey[i];
const float len = 1.f/sqrtf(edx[i]*edx[i] + edy[i]*edy[i]);
edx[i] *= len, edy[i] *= len;
eut[i] = t + esRandFloat(0.3f, 8.f);
}
ex[i] += edx[i] * es[i] * dt;
ey[i] += edy[i] * es[i] * dt;
}
}
updateModelView();
esBindRender(4+et[i]);
}
}
// weapons
vec np;
if(weapon == 1)
{
if(t > wepkick)
{
wepoff = 0.f;
wepkick = t+0.06f;
}
// position weapon
vec ld = lookz;
ld.z = 0.f;
vMulS(&ld, ld, 0.79f-wepoff); // far from camera
np = (vec){-pp.x, -pp.y, -pp.z};
vAdd(&np, np, ld);
// x offset
vec vx = lookx;
vMulS(&vx, vx, -0.4f);
vAdd(&np, np, vx);
// y offset
vec vy = looky;
vMulS(&vy, vy, 0.34f);
vAdd(&np, np, vy);
// muzzle flash relative to weapon position
if(t < wepflash)
{
const float opad = (wepflash-t)*2.5f;
vec fp = np;
// x offset
vx = lookx;
vMulS(&vx, vx, -0.1f);
vAdd(&fp, fp, vx);
// y offset
vy = looky;
vMulS(&vy, vy, -0.17f);
vAdd(&fp, fp, vy);
// z offset
vec vz = lookz;
vMulS(&vz, vz, 0.46f);
vAdd(&fp, fp, vz);
mIdent(&model);
mScale1(&model, 0.229f);
mRotZ(&model, -(xrot+PI-0.23f));
mRotX(&model, t*5.f); //randf()*x2PI
mSetPos(&model, fp);
updateModelView();
glEnable(GL_BLEND);
glUniform1f(opacity_id, opad);
esBindRender(4);
glDisable(GL_BLEND);
}
if(ldown == 1)
{
if(t > wepfreq)
{
doAttack();
wepkick = t+0.06f;
wepoff = 0.04f;
const float fire_rate = t+0.4f;
wepflash = fire_rate;
wepfreq = wepflash;
}
}
}
else if(weapon == 2)
{
if(t > wepkick)
{
rkick = 0;
wepkick = t+0.12f;
}
else if(t > wepkick-0.06f)
{
wepoff = 0.f;
}
// position weapon
vec ld = lookz;
ld.z = 0.f;
vMulS(&ld, ld, 0.79f-wepoff); // far from camera
np = (vec){-pp.x, -pp.y, -pp.z};
vAdd(&np, np, ld);
// x offset
vec vx = lookx;
vMulS(&vx, vx, -0.4f);
vAdd(&np, np, vx);
// y offset
vec vy = looky;
vMulS(&vy, vy, 0.34f);
vAdd(&np, np, vy);
// muzzle flash relative to weapon position
if(t < wepflash)
{
const float opad = (wepflash-t)*1.25f;
vec fp = np;
// x offset
vx = lookx;
vMulS(&vx, vx, -0.10f);
vAdd(&fp, fp, vx);
// y offset
vy = looky;
vMulS(&vy, vy, -0.18f-((1.f-opad)*0.14f));
// if(rkick == 1)
// vMulS(&vy, vy, -0.18f-((1.f-opad)*0.48f));
// else
// vMulS(&vy, vy, -0.18f);
vAdd(&fp, fp, vy);
// z offset
vec vz = lookz;
vMulS(&vz, vz, 0.48f);
vAdd(&fp, fp, vz);
mIdent(&model);
mScale1(&model, 0.229f);
mRotZ(&model, -(xrot+PI-0.23f));
mRotY(&model, (1.f-opad)*0.6f);
mRotX(&model, t*5.f);
mSetPos(&model, fp);
updateModelView();
glEnable(GL_BLEND);
glUniform1f(opacity_id, opad);
glDisable(GL_CULL_FACE);
esBindRender(4);
glEnable(GL_CULL_FACE);
glDisable(GL_BLEND);
}
if(ldown == 1)
{
if(t > wepfreq)
{
doAttack();
rkick = 1;
wepkick = t+0.16f;
wepoff = 0.09f;
const float fire_rate = t+1.f;
wepflash = t+0.8f;
wepfreq = t+1.f;
}
}
}
else if(weapon == 3)
{
if(t > wepkick)
{
wepoff = 0.f;
wepkick = t+0.03f;
}
// position weapon
vec ld = lookz;
ld.z = 0.f;
vMulS(&ld, ld, 0.79f-wepoff); // far from camera
np = (vec){-pp.x, -pp.y, -pp.z};
vAdd(&np, np, ld);
// x offset
vec vx = lookx;
vMulS(&vx, vx, -0.4f);
vAdd(&np, np, vx);
// y offset
vec vy = looky;
vMulS(&vy, vy, 0.34f);
vAdd(&np, np, vy);
if(t < wepflash)
{
const float opad = (wepflash-t)*10.f;
vec fp = np;
// x offset
vx = lookx;
vMulS(&vx, vx, -0.13f);
vAdd(&fp, fp, vx);
// y offset
vy = looky;
vMulS(&vy, vy, -0.16f);
vAdd(&fp, fp, vy);
// z offset
vec vz = lookz;
vMulS(&vz, vz, 0.7f);
vAdd(&fp, fp, vz);
mIdent(&model);
mScale1(&model, 0.229f);
mRotZ(&model, -(xrot+PI-0.23f));
mRotX(&model, t*5.f); //randf()*x2PI
mSetPos(&model, fp);
updateModelView();
glEnable(GL_BLEND);
glUniform1f(opacity_id, opad);
esBindRender(4);
glDisable(GL_BLEND);
}
// muzzle flash relative to weapon position
if(ldown == 1)
{
if(t > wepfreq)
{
doAttack();
wepkick = t+0.03f;
wepoff = 0.02f;
const float fire_rate = t+0.1f;
wepflash = fire_rate;
wepfreq = wepflash;
}
}
}
else if(weapon == 4)
{
if(t > wepkick)
{
rkick = 0;
wepkick = t+0.12f;
}
else if(t > wepkick-0.06f)
{
wepoff = 0.f;
}
// position weapon
vec ld = lookz;
ld.z = 0.f;
vMulS(&ld, ld, 1.2f-wepoff); // far from camera
np = (vec){-pp.x, -pp.y, -pp.z};
vAdd(&np, np, ld);
// x offset
vec vx = lookx;
vMulS(&vx, vx, -0.6f);
vAdd(&np, np, vx);
// y offset
vec vy = looky;
vMulS(&vy, vy, 0.34f);
vAdd(&np, np, vy);
// muzzle flash relative to weapon position
if(t < wepflash)
{
const float opad = (wepflash-t)*1.25f;
vec fp = np;
// x offset
vx = lookx;
vMulS(&vx, vx, -0.08f);
vAdd(&fp, fp, vx);
// y offset
vy = looky;
vMulS(&vy, vy, -0.28f-((1.f-opad)*0.14f));
vAdd(&fp, fp, vy);
// z offset
vec vz = lookz;
vMulS(&vz, vz, 0.48f);
vAdd(&fp, fp, vz);
mIdent(&model);
mScale1(&model, 0.229f);
mRotZ(&model, -(xrot+PI-0.23f));
mRotY(&model, (1.f-opad)*0.6f);
mRotX(&model, t*5.f);
mSetPos(&model, fp);
updateModelView();
glEnable(GL_BLEND);
glUniform1f(opacity_id, opad);
glDisable(GL_CULL_FACE);
esBindRender(4);
glEnable(GL_CULL_FACE);
glDisable(GL_BLEND);
}
if(ldown == 1)
{
if(t > wepfreq)
{
doAttack();
rkick = 1;
wepkick = t+0.16f;
wepoff = 0.09f;
const float fire_rate = t+1.f;
wepflash = t+0.8f;
wepfreq = t+1.f;
}
}
}
else if(weapon == 5)
{
if(t > wepkick)
{
wepoff = 0.f;
wepkick = t+0.03f;
}
// position weapon
vec ld = lookz;
ld.z = 0.f;
vMulS(&ld, ld, 0.79f-wepoff); // far from camera
np = (vec){-pp.x, -pp.y, -pp.z};
vAdd(&np, np, ld);
// x offset
vec vx = lookx;
vMulS(&vx, vx, -0.4f);
vAdd(&np, np, vx);
// y offset
vec vy = looky;
vMulS(&vy, vy, 0.34f);
vAdd(&np, np, vy);
if(t < wepflash)
{
const float opad = (wepflash-t)*10.f;
vec fp = np;
// x offset
vx = lookx;
vMulS(&vx, vx, -0.14f);
vAdd(&fp, fp, vx);
// y offset
vy = looky;
vMulS(&vy, vy, -0.14f);
vAdd(&fp, fp, vy);
// z offset
vec vz = lookz;
vMulS(&vz, vz, 0.7f);
vAdd(&fp, fp, vz);
mIdent(&model);
mScale1(&model, 0.16f);