void starBurst::restart(float* position){
int i;
for(i=0; i<SB_NUM_STARS; i++){ // don't restart if any star is still active
if(stars_active[i])
return;
}
if(size < 3.0f) // or if flare hasn't faded out completely
return;
float color[3];
color[0] = rsRandf(1.0f);
color[1] = rsRandf(1.0f);
color[2] = rsRandf(1.0f);
color[rsRandi(3)] = 1.0f;
for(i=0; i<SB_NUM_STARS; i++){
stars_active[i] = 1;
stars[i]->pos[0] = position[0];
stars[i]->pos[1] = position[1];
stars[i]->pos[2] = position[2];
stars[i]->color[0] = color[0];
stars[i]->color[1] = color[1];
stars[i]->color[2] = color[2];
}
size = 0.0f;
pos[0] = position[0];
pos[1] = position[1];
pos[2] = position[2];
}
bool CScreensaverCyclone::Start()
{
int i, j;
std::string fraqShader = kodi::GetAddonPath("resources/shaders/frag.glsl");
std::string vertShader = kodi::GetAddonPath("resources/shaders/vert.glsl");
if (!LoadShaderFiles(vertShader, fraqShader) || !CompileAndLink())
return false;
gCycloneSettings.Load();
srand((unsigned)time(nullptr));
// Window initialization
glViewport(X(), Y(), Width(), Height());
glEnable(GL_DEPTH_TEST);
glFrontFace(GL_CCW);
glEnable(GL_CULL_FACE);
glClearColor(0.0, 0.0, 0.0, 1.0);
m_modelMat = glm::mat4(1.0f);
m_projMat = glm::perspective(glm::radians(80.0f), (GLfloat)Height() / (GLfloat)Width(), 50.0f, 3000.0f);
if (!rsRandi(500)) // Easter egg view
{
m_projMat = glm::rotate(m_projMat, glm::radians(90.0f), glm::vec3(1.0f, 0.0f, 0.0f));
m_projMat = glm::translate(m_projMat, glm::vec3(0.0f, -(WIDTH * 2), 0.0f));
}
else // Normal view
m_projMat = glm::translate(m_projMat, glm::vec3(0.0f, 0.0f, -(WIDTH * 2)));
Sphere(float(gCycloneSettings.dSize) / 4.0f, 3, 2);
m_lightingEnabled = 1;
// Initialize cyclones and their particles
for (i = 0; i < 13; i++)
m_fact[i] = float(factorial(i));
m_cyclones = new CCyclone*[gCycloneSettings.dCyclones];
m_particles = new CParticle*[gCycloneSettings.dParticles * gCycloneSettings.dCyclones];
for (i = 0; i < gCycloneSettings.dCyclones; i++)
{
m_cyclones[i] = new CCyclone;
for (j=i*gCycloneSettings.dParticles; j<((i+1)*gCycloneSettings.dParticles); j++)
m_particles[j] = new CParticle(m_cyclones[i]);
}
glGenBuffers(1, &m_vertexVBO);
glBindBuffer(GL_ARRAY_BUFFER, m_vertexVBO);
m_lastTime = kodi::time::GetTimeSec<double>();
m_startOK = true;
return true;
}
void SceneManager::Render()
{
// super fast easter egg
static int superFast = rsRandi(1000);
if(!superFast) frameTime *= 5.0f;
m_Camera.Setup();//设置照像机
// 更新 billboard矩阵
glPushMatrix();
glLoadIdentity();
glRotatef(m_Camera.heading, 0, 1, 0);
glRotatef(m_Camera.pitch, 1, 0, 0);
glGetFloatv(GL_MODELVIEW_MATRIX, billboardMat);
glPopMatrix();
// clear the screen
glClear(GL_COLOR_BUFFER_BIT);
//绘制世界
theWorld.draw();
m_Terrain.Render(&m_Camera);
//绘制粒子
glEnable(GL_BLEND);
for(unsigned int i=0; i<m_ParticleSystem.last_particle; i++) m_ParticleSystem.particles[i].draw(billboardMat,&theWorld);
//绘制光晕
if(dFlare)
{
makeFlareList();
for(int i=0; i<numFlares; ++i)
m_Flare.flare(&m_Camera,lensFlares[i].x, lensFlares[i].y, lensFlares[i].r,lensFlares[i].g, lensFlares[i].b, lensFlares[i].a);
numFlares = 0;
}
wglSwapLayerBuffers(hdc, WGL_SWAP_MAIN_PLANE);
//更新声音
float listenerOri[6];
listenerOri[0] = float(-m_Camera.modelMat[2]);
listenerOri[1] = float(-m_Camera.modelMat[6]);
listenerOri[2] = float(-m_Camera.modelMat[10]);
listenerOri[3] = float(m_Camera.modelMat[1]);
listenerOri[4] = float(m_Camera.modelMat[5]);
listenerOri[5] = float(m_Camera.modelMat[9]);
soundengine->update(m_Camera.cameraPos.v, m_Camera.cameraVel.v, listenerOri, frameTime, false);
}
void changeSettings ()
{
do {
equationBase = rsRandf (10) - 5;
} while (equationBase <= 2 && equationBase >= -2); // we don't want between 1 and -1
blurColor[0] = rsRandi (100) / 50.0;
blurColor[1] = rsRandi (100) / 50.0;
blurColor[2] = rsRandi (100) / 50.0;
lineColor[0] = rsRandi (100) / 50.0;
lineColor[1] = rsRandi (100) / 50.0;
lineColor[2] = rsRandi (100) / 50.0;
SUBLOOPS = rsRandi (3) + 2;
graphTo = rsRandi (16) + 15;
speed = (rsRandi (225) + 75) / 1000000.0;
if (rsRandi (2) == 1) {
speed *= -1;
}
}
// For building mountain sillohettes in sunset
void makeHeights (int first, int last, int *h)
{
int middle;
int diff;
diff = last - first;
if (diff <= 1)
return;
middle = (first + last) / 2;
h[middle] = (h[first] + h[last]) / 2;
h[middle] += rsRandi (diff / 2) - (diff / 4);
if (h[middle] < 1)
h[middle] = 1;
makeHeights (first, middle, h);
makeHeights (middle, last, h);
}
void reconfigure ()
{
int i, j;
int newBorder, positive;
/*
* End of old path = start of new path
*/
for (i = 0; i < 6; i++)
path[0][i] = path[segments][i];
/*
* determine if direction of motion is positive or negative
*/
/*
* update global position
*/
if (lastBorder < 6) {
if ((path[0][3] + path[0][4] + path[0][5]) > 0.0f) {
positive = 1;
globalxyz[lastBorder / 2]++;
} else {
positive = 0;
globalxyz[lastBorder / 2]--;
}
} else {
if (path[0][3] > 0.0f) {
positive = 1;
globalxyz[0]++;
} else {
positive = 0;
globalxyz[0]--;
}
if (path[0][4] > 0.0f)
globalxyz[1]++;
else
globalxyz[1]--;
if (path[0][5] > 0.0f)
globalxyz[2]++;
else
globalxyz[2]--;
}
if (!rsRandi (11 - dPathrand)) { /* Change directions */
if (!positive)
lastBorder += 10;
newBorder = transitions[lastBorder][rsRandi (6)];
positive = 0;
if (newBorder < 10)
positive = 1;
else
newBorder -= 10;
for (i = 0; i < 6; i++) /* set the new border point */
path[1][i] = bPnt[newBorder][i];
if (!positive) { /* flip everything if direction is
* negative */
if (newBorder < 6)
path[1][newBorder / 2] *= -1.0f;
else
for (i = 0; i < 3; i++)
path[1][i] *= -1.0f;
for (i = 3; i < 6; i++)
path[1][i] *= -1.0f;
}
for (i = 0; i < 3; i++) /* reposition the new border */
path[1][i] += globalxyz[i];
lastBorder = newBorder;
segments = 1;
} else { /* Just keep going straight */
newBorder = lastBorder;
for (i = 0; i < 6; i++)
path[1][i] = bPnt[newBorder][i];
i = newBorder / 2;
if (!positive) {
if (newBorder < 6)
path[1][i] *= -1.0f;
else {
path[1][0] *= -1.0f;
path[1][1] *= -1.0f;
path[1][2] *= -1.0f;
}
path[1][3] *= -1.0f;
path[1][4] *= -1.0f;
path[1][5] *= -1.0f;
}
for (j = 0; j < 3; j++) {
path[1][j] += globalxyz[j];
if ((newBorder < 6) && (j != 1))
path[1][j] += rsRandf (0.15f) - 0.075f;
}
if (newBorder >= 6)
path[1][0] += rsRandf (0.1f) - 0.05f;
segments = 1;
}
}
/*
* Build the lattice display lists
*/
void makeLatticeObjects ()
{
int i, d = 0;
float thick = (float)dThick * 0.001f;
list_base = glGenLists(NUMOBJECTS);
for (i = 1; i <= NUMOBJECTS; i++) {
glNewList (list_base + i, GL_COMPILE);
if (dTexture >= 2)
glBindTexture (GL_TEXTURE_2D, texture_id[0]);
if (d < dDensity) {
glPushMatrix ();
setMaterialAttribs();
glTranslatef (-0.25f, -0.25f, -0.25f);
if (rsRandi (2))
glRotatef (180.0f, 1, 0, 0);
makeTorus (dSmooth, dLongitude, dLatitude, 0.36f - thick, thick);
glPopMatrix ();
}
d = (d + 37) % 100;
if (d < dDensity) {
glPushMatrix ();
setMaterialAttribs();
glTranslatef (0.25f, -0.25f, -0.25f);
if (rsRandi (2))
glRotatef (90.0f, 1, 0, 0);
else
glRotatef (-90.0f, 1, 0, 0);
makeTorus (dSmooth, dLongitude, dLatitude, 0.36f - thick, thick);
glPopMatrix ();
}
d = (d + 37) % 100;
if (d < dDensity) {
glPushMatrix ();
setMaterialAttribs();
glTranslatef (0.25f, -0.25f, 0.25f);
if (rsRandi (2))
glRotatef (90.0f, 0, 1, 0);
else
glRotatef (-90.0f, 0, 1, 0);
makeTorus (dSmooth, dLongitude, dLatitude, 0.36f - thick, thick);
glPopMatrix ();
}
d = (d + 37) % 100;
if (d < dDensity) {
glPushMatrix ();
setMaterialAttribs();
glTranslatef (0.25f, 0.25f, 0.25f);
if (rsRandi (2))
glRotatef (180.0f, 1, 0, 0);
makeTorus (dSmooth, dLongitude, dLatitude, 0.36f - thick, thick);
glPopMatrix ();
}
d = (d + 37) % 100;
if (d < dDensity) {
glPushMatrix ();
setMaterialAttribs();
glTranslatef (-0.25f, 0.25f, 0.25f);
if (rsRandi (2))
glRotatef (90.0f, 1, 0, 0);
else
glRotatef (-90.0f, 1, 0, 0);
makeTorus (dSmooth, dLongitude, dLatitude, 0.36f - thick, thick);
glPopMatrix ();
}
d = (d + 37) % 100;
if (d < dDensity) {
glPushMatrix ();
setMaterialAttribs();
glTranslatef (-0.25f, 0.25f, -0.25f);
if (rsRandi (2))
glRotatef (90.0f, 0, 1, 0);
else
glRotatef (-90.0f, 0, 1, 0);
makeTorus (dSmooth, dLongitude, dLatitude, 0.36f - thick, thick);
glPopMatrix ();
}
glEndList ();
d = (d + 37) % 100;
}
}
void setMaterialAttribs(){
if(dTexture == 0 || dTexture >= 5)
glColor3f(rsRandf(1.0f), rsRandf(1.0f), rsRandf(1.0f));
if(dTexture == 1)
glBindTexture(GL_TEXTURE_2D, texture_id[rsRandi(2)]);
}
void hack_handle_opts (int argc, char **argv)
{
int change_flag = 0;
setDefaults (PRESET_REGULAR);
while (1) {
int c;
#ifdef HAVE_GETOPT_H
static struct option long_options[] = {
{"help", 0, 0, 'h'},
DRIVER_OPTIONS_LONG
{"preset", 1, 0, 'p'},
{"regular", 0, 0, 10},
{"chainmail", 0, 0, 11},
{"brassmesh", 0, 0, 12},
{"computer", 0, 0, 13},
{"slick", 0, 0, 14},
{"tasty", 0, 0, 15},
{"longitude", 1, 0, 'l'},
{"latitude", 1, 0, 'L'},
{"thick", 1, 0, 't'},
{"density", 1, 0, 'd'},
{"drawdepth", 1, 0, 'D'},
{"fov", 1, 0, 'o'},
{"pathrand", 1, 0, 'P'},
{"speed", 1, 0, 'e'},
{"texture", 1, 0, 'T'},
{"industrial", 0, 0, 1},
{"crystal", 0, 0, 2},
{"chrome", 0, 0, 3},
{"brass", 0, 0, 4},
{"shiny", 0, 0, 5},
{"ghostly", 0, 0, 6},
{"circuits", 0, 0, 7},
{"doughnuts", 0, 0, 8},
{"smooth", 0, 0, 's'},
{"no-smooth", 0, 0, 'S'},
{"fog", 0, 0, 'f'},
{"no-fog", 0, 0, 'F'},
{0, 0, 0, 0}
};
c = getopt_long (argc, argv, DRIVER_OPTIONS_SHORT "hp:l:L:t:d:D:o:P:e:T:sSfF", long_options, NULL);
#else
c = getopt (argc, argv, DRIVER_OPTIONS_SHORT "hp:l:L:t:d:D:o:P:e:T:sSfF");
#endif
if (c == -1)
break;
switch (c) {
DRIVER_OPTIONS_CASES case 'h':
printf ("%s:"
#ifndef HAVE_GETOPT_H
" Not built with GNU getopt.h, long options *NOT* enabled."
#endif
"\n" DRIVER_OPTIONS_HELP
"\t--preset/-p <arg>\n" "\t--regular\n" "\t--chainmail\n" "\t--brassmesh\n" "\t--computer\n" "\t--slick\n" "\t--tasty\n"
"\t--longitude/-l <arg>\n" "\t--latitude/-L <arg>\n"
"\t--thick/-t <arg>\n" "\t--density/-d <arg>\n"
"\t--drawdepth/-D <arg>\n" "\t--fov/-o <arg>\n"
"\t--pathrand/-P <arg>\n" "\t--speed/-e <arg>\n"
"\t--texture/-T <arg>\n" "\t--industrial\n" "\t--crystal\n" "\t--chrome\n" "\t--brass\n" "\t--shiny\n" "\t--ghostly\n" "\t--circuits\n" "\t--doughnuts\n"
"\t--smooth/-s\n" "\t--no-smooth/-S\n"
"\t--fog/-f\n" " \t--no-fog/-F\n", argv[0]);
exit (1);
case 'p':
change_flag = 1;
setDefaults (strtol_minmaxdef (optarg, 10, 1, 6, 0, 1, "--preset: "));
break;
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
change_flag = 1;
setDefaults (c - 9);
break;
case 'l':
change_flag = 1;
dLongitude = strtol_minmaxdef (optarg, 10, 4, 100, 1, 16, "--longitude: ");
break;
case 'L':
change_flag = 1;
dLatitude = strtol_minmaxdef (optarg, 10, 2, 100, 1, 8, "--latitude: ");
break;
case 't':
change_flag = 1;
dThick = strtol_minmaxdef (optarg, 10, 1, 100, 1, 50, "--thick: ");
break;
case 'd':
change_flag = 1;
dDensity = strtol_minmaxdef (optarg, 10, 1, 100, 1, 50, "--density: ");
break;
case 'D':
change_flag = 1;
dDrawdepth = strtol_minmaxdef (optarg, 10, 1, 8, 1, 4, "--drawdepth: ");
break;
case 'o':
change_flag = 1;
dFov = strtol_minmaxdef (optarg, 10, 10, 150, 1, 90, "--fov: ");
break;
case 'P':
change_flag = 1;
dPathrand = strtol_minmaxdef (optarg, 10, 1, 10, 1, 1, "--pathrand: ");
break;
case 'e':
change_flag = 1;
dSpeed = strtol_minmaxdef (optarg, 10, 1, 100, 1, 1, "--speed: ");
break;
case 'T':
change_flag = 1;
dTexture = strtol_minmaxdef (optarg, 10, 0, 9, 0, 0, "--texture: ");
break;
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
change_flag = 1;
dTexture = c;
break;
case 's':
change_flag = 1;
dSmooth = 1;
break;
case 'S':
change_flag = 1;
dSmooth = 0;
break;
case 'f':
change_flag = 1;
dFog = 1;
break;
case 'F':
change_flag = 1;
dFog = 0;
break;
}
}
if (!change_flag) {
setDefaults (rsRandi (6) + 1);
}
}
void hack_handle_opts (int argc, char **argv)
{
int change_flag = 0;
dTexture = 1;
dCoarse = 0;
dSinHole = 0;
dWireframe = 0;
while (1) {
int c;
#ifdef HAVE_GETOPT_H
static struct option long_options[] = {
{"help", 0, 0, 'h'},
DRIVER_OPTIONS_LONG
{"texture", 1, 0, 't'},
{"swirl", 0, 0, 1},
{"marble", 0, 0, 2},
{"coarseness", 1, 0, 'c'},
{"sinusoide", 0, 0, 's'},
{"no-sinusoide", 0, 0, 'S'},
{"wireframe", 0, 0, 'w'},
{"no-wireframe", 0, 0, 'W'},
{0, 0, 0, 0}
};
c = getopt_long (argc, argv, DRIVER_OPTIONS_SHORT "hc:t:sSwW", long_options, NULL);
#else
c = getopt (argc, argv, DRIVER_OPTIONS_SHORT "hc:t:sSwW");
#endif
if (c == -1)
break;
switch (c) {
DRIVER_OPTIONS_CASES case 'h':
printf ("%s:"
#ifndef HAVE_GETOPT_H
" Not built with GNU getopt.h, long options *NOT* enabled."
#endif
"\n" DRIVER_OPTIONS_HELP "\t--texture/-t <arg>\n" "\t--swirl\n" "\t--marble\n" "\t--coarseness/-c <arg>\n" "\t--sinusoide/-s\n" "\t--no-sinusoide/-S\n"
"\t--wireframe/-w\n" "\t--no-wireframe/-W\n", argv[0]);
exit (1);
case 't':
change_flag = 1;
dTexture = strtol_minmaxdef (optarg, 10, 0, 2, 0, 1, "--texture: ");
break;
case 1:
change_flag = 1;
dTexture = 1;
break;
case 2:
change_flag = 1;
dTexture = 2;
break;
case 'c':
change_flag = 1;
dCoarse = 1 << (3 - strtol_minmaxdef (optarg, 10, 0, 3, 1, 0, "--coarseness: "));
if (dCoarse == 8)
dCoarse = 0;
break;
case 's':
change_flag = 1;
dSinHole = 1;
break;
case 'S':
change_flag = 1;
dSinHole = 0;
break;
case 'w':
change_flag = 1;
dWireframe = 1;
break;
case 'W':
change_flag = 1;
dWireframe = 0;
break;
}
}
if (!change_flag) {
dTexture = rsRandi (2) + 1;
dCoarse = 1 << (3 - rsRandi (4));
if (dCoarse == 8)
dCoarse = 0;
dSinHole = rsRandi (2);
dWireframe = (rsRandi (10) == 0);
}
}
void hack_draw (xstuff_t * XStuff, double currentTime, float frameTime)
{
int i;
static int ionsReleased = 0;
static float releaseTime = 0.0f;
Display *dpy = XStuff->display;
#ifdef BENCHMARK
static int a = 1;
#endif
Window window = XStuff->window;
elapsedTime = frameTime;
#ifdef BENCHMARK
if (a++ == 1000)
exit(0);
elapsedTime = 0.1f;
#endif
// Camera movements
// first do translation (distance from center)
static float oldCameraDistance;
static float cameraDistance;
static float targetCameraDistance = -1000.0f;
static float preCameraInterp = PI;
float cameraInterp;
preCameraInterp += float (dCameraspeed) * elapsedTime * 0.01f;
cameraInterp = 0.5f - (0.5f * cos (preCameraInterp));
cameraDistance = (1.0f - cameraInterp) * oldCameraDistance + cameraInterp * targetCameraDistance;
if (preCameraInterp >= PI) {
oldCameraDistance = targetCameraDistance;
targetCameraDistance = -rsRandf (1300.0f) - 200.0f;
preCameraInterp = 0.0f;
}
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
glTranslatef (0.0, 0.0, cameraDistance);
// then do rotation
static rsVec radialVel = rsVec (0.0f, 0.0f, 0.0f);
static rsVec targetRadialVel = radialVel;
static rsQuat rotQuat = rsQuat (0.0f, 0.0f, 0.0f, 1.0f);
rsVec radialVelDiff = targetRadialVel - radialVel;
float changeRemaining = radialVelDiff.normalize ();
float change = float (dCameraspeed) * 0.0002f * elapsedTime;
if (changeRemaining > change) {
radialVelDiff *= change;
radialVel += radialVelDiff;
} else {
radialVel = targetRadialVel;
if (rsRandi (2)) {
targetRadialVel = rsVec (rsRandf (1.0f), rsRandf (1.0f), rsRandf (1.0f));
targetRadialVel.normalize ();
targetRadialVel *= float (dCameraspeed) * rsRandf (0.002f);
} else
targetRadialVel = rsVec (0.0f, 0.0f, 0.0f);
}
rsVec tempRadialVel = radialVel;
float angle = tempRadialVel.normalize ();
rsQuat radialQuat;
radialQuat.make (angle, tempRadialVel[0], tempRadialVel[1], tempRadialVel[2]);
rotQuat.preMult (radialQuat);
rsMatrix rotMat;
rotMat.fromQuat (rotQuat);
// make billboard matrix for rotating particles when they are drawn
rotMat.get (billboardMat);
// Calculate new color
static rsVec oldHsl, newHsl = rsVec (rsRandf (1.0f), 1.0f, 1.0f), targetHsl;
static float colorInterp = 1.0f, colorChange;
colorInterp += elapsedTime * colorChange;
if (colorInterp >= 1.0f) {
if (!rsRandi (3) && dIons >= 100) // change color suddenly
newHsl = rsVec (rsRandf (1.0f), 1.0f - (rsRandf (1.0f) * rsRandf (1.0f)), 1.0f);
oldHsl = newHsl;
targetHsl = rsVec (rsRandf (1.0f), 1.0f - (rsRandf (1.0f) * rsRandf (1.0f)), 1.0f);
colorInterp = 0.0f;
// amount by which to change colorInterp each second
colorChange = rsRandf (0.005f * float (dSpeed)) + (0.002f * float (dSpeed));
} else {
float diff = targetHsl[0] - oldHsl[0];
if (diff < -0.5f || (diff > 0.0f && diff < 0.5f))
newHsl[0] = oldHsl[0] + colorInterp * diff;
else
newHsl[0] = oldHsl[0] - colorInterp * diff;
diff = targetHsl[1] - oldHsl[1];
newHsl[1] = oldHsl[1] + colorInterp * diff;
if (newHsl[0] < 0.0f)
newHsl[0] += 1.0f;
if (newHsl[0] > 1.0f)
newHsl[0] -= 1.0f;
hsl2rgb (newHsl[0], newHsl[1], 1.0f, newRgb[0], newRgb[1], newRgb[2]);
}
// Release ions
if (ionsReleased < dIons) {
releaseTime -= elapsedTime;
while (ionsReleased < dIons && releaseTime <= 0.0f) {
ilist[ionsReleased].start ();
ionsReleased++;
// all ions released after 2 minutes
releaseTime += 120.0f / float (dIons);
}
}
// Set interpolation value for emitters and attracters
static float wait = 0.0f;
static float preinterp = PI, interp;
static float interpconst = 0.001f;
wait -= elapsedTime;
if (wait <= 0.0f) {
preinterp += elapsedTime * float (dSpeed) * interpconst;
interp = 0.5f - (0.5f * cos (preinterp));
}
if (preinterp >= PI) {
// select new taget points (not the same pattern twice in a row)
static int newTarget = 0, lastTarget;
lastTarget = newTarget;
newTarget = rsRandi (10);
if (newTarget == lastTarget)
newTarget++;
setTargets (newTarget);
preinterp = 0.0f;
interp = 0.0f;
wait = 10.0f; // pause after forming each new pattern
interpconst = 0.001f;
if (!rsRandi (4)) // interpolate really fast sometimes
interpconst = 0.1f;
}
// Update particles
for (i = 0; i < dEmitters; i++) {
elist[i].interppos (interp);
elist[i].update ();
}
for (i = 0; i < dAttracters; i++) {
alist[i].interppos (interp);
alist[i].update ();
}
for (i = 0; i < ionsReleased; i++)
ilist[i].update ();
// Calculate surface
if (dSurface) {
for (i = 0; i < dEmitters; i++)
spheres[i].setPosition (elist[i].pos[0], elist[i].pos[1], elist[i].pos[2]);
for (i = 0; i < dAttracters; i++)
spheres[dEmitters + i].setPosition (alist[i].pos[0], alist[i].pos[1], alist[i].pos[2]);
impCrawlPointVector cpv;
for(i=0; i<dEmitters+dAttracters; i++)
spheres[i].addCrawlPoint(cpv);
surface->reset ();
static float valuetrig = 0.0f;
valuetrig += elapsedTime;
volume->setSurfaceValue(0.45f + 0.05f * cosf(valuetrig));
volume->makeSurface(cpv);
}
// Draw
// clear the screen
if (dBlur) { // partially
glMatrixMode (GL_PROJECTION);
glPushMatrix ();
glLoadIdentity();
glOrtho(0.0, 1.0, 0.0, 1.0, 1.0, -1.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(0.0f, 0.0f, 0.0f, 0.5f - (float(sqrtf(sqrtf(float(dBlur)))) * 0.15495f));
glBegin(GL_TRIANGLE_STRIP);
glVertex3f(0.0f, 0.0f, 0.0f);
glVertex3f(1.0f, 0.0f, 0.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glEnd();
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
} else // completely
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Draw ions
glMatrixMode(GL_MODELVIEW);
glBlendFunc (GL_ONE, GL_ONE);
glBindTexture (GL_TEXTURE_2D, 1);
for (i = 0; i < ionsReleased; i++)
ilist[i].draw ();
// Draw surfaces
float brightFactor = 0;
float surfaceColor[3] = {
0.0f,
0.0f,
0.0f
};
if (dSurface) {
glBindTexture (GL_TEXTURE_2D, 2);
glEnable (GL_TEXTURE_GEN_S);
glEnable (GL_TEXTURE_GEN_T);
// find color for surfaces
if (dIons >= 100) {
if (dWireframe)
brightFactor = 2.0f / (float (dBlur + 30) * float (dBlur + 30));
else
brightFactor = 4.0f / (float (dBlur + 30) * float (dBlur + 30));
for (i = 0; i < 100; i++) {
surfaceColor[0] += ilist[i].rgb[0] * brightFactor;
surfaceColor[1] += ilist[i].rgb[1] * brightFactor;
surfaceColor[2] += ilist[i].rgb[2] * brightFactor;
}
glColor3fv (surfaceColor);
} else {
if (dWireframe)
brightFactor = 200.0f / (float (dBlur + 30) * float (dBlur + 30));
else
brightFactor = 400.0f / (float (dBlur + 30) * float (dBlur + 30));
glColor3f (newRgb[0] * brightFactor, newRgb[1] * brightFactor, newRgb[2] * brightFactor);
}
// draw the surface
glPushMatrix ();
glMultMatrixf (billboardMat);
if (dWireframe) {
glDisable (GL_TEXTURE_2D);
surface->draw_wireframe ();
glEnable (GL_TEXTURE_2D);
} else
surface->draw ();
glPopMatrix ();
glDisable (GL_TEXTURE_GEN_S);
glDisable (GL_TEXTURE_GEN_T);
}
// If graphics card does a true buffer swap instead of a copy swap
// then everything must get drawn on both buffers
if (dBlur & pfd_swap_exchange) {
glXSwapBuffers (dpy, window);
// wglSwapLayerBuffers(hdc, WGL_SWAP_MAIN_PLANE);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f (0.0f, 0.0f, 0.0f, 0.5f - (float (sqrt (sqrt (double (dBlur)))) * 0.15495f));
glPushMatrix ();
glLoadIdentity ();
glBegin (GL_TRIANGLE_STRIP);
glVertex3f (-5.0f, -4.0f, -3.0f);
glVertex3f (5.0f, -4.0f, -3.0f);
glVertex3f (-5.0f, 4.0f, -3.0f);
glVertex3f (5.0f, 4.0f, -3.0f);
glEnd ();
glPopMatrix ();
// Draw ions
glBlendFunc (GL_ONE, GL_ONE);
glBindTexture (GL_TEXTURE_2D, 1);
for (i = 0; i < ionsReleased; i++)
ilist[i].draw ();
// Draw surfaces
if (dSurface) {
glBindTexture (GL_TEXTURE_2D, 2);
glEnable (GL_TEXTURE_GEN_S);
glEnable (GL_TEXTURE_GEN_T);
if (dIons >= 100)
glColor3fv (surfaceColor);
else
glColor3f (newRgb[0] * brightFactor, newRgb[1] * brightFactor, newRgb[2] * brightFactor);
glPushMatrix ();
glMultMatrixf (billboardMat);
if (dWireframe) {
glDisable (GL_TEXTURE_2D);
surface->draw_wireframe ();
glEnable (GL_TEXTURE_2D);
} else
surface->draw ();
glPopMatrix ();
glDisable (GL_TEXTURE_GEN_S);
glDisable (GL_TEXTURE_GEN_T);
}
}
}
void initWorld ()
{
int i, j;
float x, y, z;
unsigned int startex;
unsigned int moontex;
unsigned int moonglowtex;
unsigned int sunsettex;
unsigned char *tex;
// Initialize cloud texture object even if clouds are not turned on.
// Sunsets and shockwaves can also use cloud texture.
glGenTextures (1, &cloudtex);
glBindTexture (GL_TEXTURE_2D, cloudtex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
LOAD_TEXTURE (tex, cloudmap, cloudmap_compressedsize, cloudmap_size)
gluBuild2DMipmaps (GL_TEXTURE_2D, 2, CLOUDTEXSIZE, CLOUDTEXSIZE, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, tex);
FREE_TEXTURE (tex)
// initialize star texture
if (dStardensity) {
unsigned char starmap[STARTEXSIZE][STARTEXSIZE][3];
for (i = 0; i < STARTEXSIZE; i++) {
for (j = 0; j < STARTEXSIZE; j++) {
starmap[i][j][0] = starmap[i][j][1] = starmap[i][j][2] = 0;
}
}
int u, v;
unsigned int rgb[3];
for (i = 0; i < (dStardensity * 20); i++) {
u = rsRandi (STARTEXSIZE - 4) + 2;
v = rsRandi (STARTEXSIZE - 4) + 2;
rgb[0] = 220 + rsRandi (36);
rgb[1] = 220 + rsRandi (36);
rgb[2] = 220 + rsRandi (36);
rgb[rsRandi (3)] = 255;
starmap[u][v][0] = rgb[0];
starmap[u][v][1] = rgb[1];
starmap[u][v][2] = rgb[2];
switch (rsRandi (6)) { // different stars
case 0: // small
case 1:
case 2:
starmap[u][v][0] /= 2;
starmap[u][v][1] /= 2;
starmap[u][v][2] /= 2;
starmap[u + 1][v][0] = starmap[u - 1][v][0] = starmap[u][v + 1][0] = starmap[u][v - 1][0] = rgb[0] / (3 + rsRandi (6));
starmap[u + 1][v][1] = starmap[u - 1][v][1] = starmap[u][v + 1][1] = starmap[u][v - 1][1] = rgb[1] / (3 + rsRandi (6));
starmap[u + 1][v][2] = starmap[u - 1][v][2] = starmap[u][v + 1][2] = starmap[u][v - 1][2] = rgb[2] / (3 + rsRandi (6));
break;
case 3: // medium
case 4:
starmap[u + 1][v][0] = starmap[u - 1][v][0] = starmap[u][v + 1][0] = starmap[u][v - 1][0] = rgb[0] / 2;
starmap[u + 1][v][1] = starmap[u - 1][v][1] = starmap[u][v + 1][1] = starmap[u][v - 1][1] = rgb[1] / 2;
starmap[u + 1][v][2] = starmap[u - 1][v][2] = starmap[u][v + 1][2] = starmap[u][v - 1][2] = rgb[2] / 2;
break;
case 5: // large
starmap[u + 1][v][0] = starmap[u - 1][v][0] = starmap[u][v + 1][0] = starmap[u][v - 1][0] = char (float (rgb[0]) * 0.75f);
starmap[u + 1][v][1] = starmap[u - 1][v][1] = starmap[u][v + 1][1] = starmap[u][v - 1][1] = char (float (rgb[1]) * 0.75f);
starmap[u + 1][v][2] = starmap[u - 1][v][2] = starmap[u][v + 1][2] = starmap[u][v - 1][2] = char (float (rgb[2]) * 0.75f);
starmap[u + 1][v + 1][0] = starmap[u + 1][v - 1][0] = starmap[u - 1][v + 1][0] = starmap[u - 1][v - 1][0] = rgb[0] / 4;
starmap[u + 1][v + 1][1] = starmap[u + 1][v - 1][1] = starmap[u - 1][v + 1][1] = starmap[u - 1][v - 1][1] = rgb[1] / 4;
starmap[u + 1][v + 1][2] = starmap[u + 1][v - 1][2] = starmap[u - 1][v + 1][2] = starmap[u - 1][v - 1][2] = rgb[2] / 4;
}
}
glGenTextures (1, &startex);
glBindTexture (GL_TEXTURE_2D, startex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
gluBuild2DMipmaps (GL_TEXTURE_2D, 3, STARTEXSIZE, STARTEXSIZE, GL_RGB, GL_UNSIGNED_BYTE, starmap);
}
//initialize moon texture
if (dMoon) {
unsigned char moonmap[MOONTEXSIZE][MOONTEXSIZE][4];
unsigned char *mtint;
unsigned char *malpha;
LOAD_TEXTURE (mtint, moontint, moontint_compressedsize, moontint_size)
LOAD_TEXTURE (malpha, moonalpha, moonalpha_compressedsize, moonalpha_size)
for (i = 0; i < MOONTEXSIZE; i++) {
for (j = 0; j < MOONTEXSIZE; j++) {
moonmap[i][j][0] = moonmap[i][j][1] = moonmap[i][j][2] = mtint[i * MOONTEXSIZE + j];
moonmap[i][j][3] = malpha[i * MOONTEXSIZE + j];
}
}
FREE_TEXTURE (mtint)
FREE_TEXTURE (malpha)
glGenTextures (1, &moontex);
glBindTexture (GL_TEXTURE_2D, moontex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
gluBuild2DMipmaps (GL_TEXTURE_2D, 4, MOONTEXSIZE, MOONTEXSIZE, GL_RGBA, GL_UNSIGNED_BYTE, moonmap);
}
//initialize moon glow texture
if (dMoonglow) {
unsigned char moonglowmap[MOONGLOWTEXSIZE][MOONGLOWTEXSIZE][4];
float temp1, temp2, temp3, u, v;
for (i = 0; i < MOONGLOWTEXSIZE; i++) {
for (j = 0; j < MOONGLOWTEXSIZE; j++) {
u = float (i - MOONGLOWTEXSIZE / 2) / float (MOONGLOWTEXSIZE / 2);
v = float (j - MOONGLOWTEXSIZE / 2) / float (MOONGLOWTEXSIZE / 2);
temp1 = 4.0f * ((u * u) + (v * v)) * (1.0f - ((u * u) + (v * v)));
if (temp1 > 1.0f)
temp1 = 1.0f;
if (temp1 < 0.0f)
temp1 = 0.0f;
temp1 = temp1 * temp1 * temp1 * temp1;
u *= 1.2f;
v *= 1.2f;
temp2 = 4.0f * ((u * u) + (v * v)) * (1.0f - ((u * u) + (v * v)));
if (temp2 > 1.0f)
temp2 = 1.0f;
if (temp2 < 0.0f)
temp2 = 0.0f;
temp2 = temp2 * temp2 * temp2 * temp2;
u *= 1.25f;
v *= 1.25f;
temp3 = 4.0f * ((u * u) + (v * v)) * (1.0f - ((u * u) + (v * v)));
if (temp3 > 1.0f)
temp3 = 1.0f;
if (temp3 < 0.0f)
temp3 = 0.0f;
temp3 = temp3 * temp3 * temp3 * temp3;
moonglowmap[i][j][0] = char (255.0f * (temp1 * 0.4f + temp2 * 0.4f + temp3 * 0.48f));
moonglowmap[i][j][1] = char (255.0f * (temp1 * 0.4f + temp2 * 0.48f + temp3 * 0.38f));
moonglowmap[i][j][2] = char (255.0f * (temp1 * 0.48f + temp2 * 0.4f + temp3 * 0.38f));
moonglowmap[i][j][3] = char (255.0f * (temp1 * 0.48f + temp2 * 0.48f + temp3 * 0.48f));
}
}
glGenTextures (1, &moonglowtex);
glBindTexture (GL_TEXTURE_2D, moonglowtex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
gluBuild2DMipmaps (GL_TEXTURE_2D, 4, MOONGLOWTEXSIZE, MOONGLOWTEXSIZE, GL_RGBA, GL_UNSIGNED_BYTE, moonglowmap);
}
// do a sunset?
doSunset = 1;
if (!rsRandi (4))
doSunset = 0;
// initialize sunset texture
if (doSunset) {
unsigned char *sunsetmap;
unsigned char rgb[3];
float temp;
sunsetmap = (unsigned char *)malloc (CLOUDTEXSIZE * CLOUDTEXSIZE * 3);
if (rsRandi (3))
rgb[0] = 60 + rsRandi (42);
else
rgb[0] = rsRandi (102);
rgb[1] = rsRandi (rgb[0]);
rgb[2] = 0;
if (rgb[1] < 50)
rgb[2] = 100 - rsRandi (rgb[0]);
for (j = 0; j < CLOUDTEXSIZE; j++) {
for (i = 0; i < CLOUDTEXSIZE; i++) {
sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 0] = rgb[0];
sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 1] = rgb[1];
sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 2] = rgb[2];
}
}
// clouds in sunset
if (rsRandi (3)) {
float cloudinf; // influence of clouds
int xoffset = rsRandi (CLOUDTEXSIZE);
int yoffset = rsRandi (CLOUDTEXSIZE);
int x, y;
for (i = 0; i < CLOUDTEXSIZE; i++) {
for (j = 0; j < CLOUDTEXSIZE; j++) {
x = (i + xoffset) % CLOUDTEXSIZE;
y = (j + yoffset) % CLOUDTEXSIZE;
cloudinf = float (cloudmap[x * CLOUDTEXSIZE * 2 + y * 2 + 1]) / 256.0f;
temp = float (sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 0]) / 256.0f;
temp *= cloudinf;
sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 0] = char (temp * 256.0f);
cloudinf *= float (cloudmap[x * CLOUDTEXSIZE * 2 + y * 2]) / 256.0f;
temp = float (sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 1]) / 256.0f;
temp *= cloudinf;
sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 1] = char (temp * 256.0f);
}
}
}
// Fractal mountain generation
int mountains[CLOUDTEXSIZE + 1];
mountains[0] = mountains[CLOUDTEXSIZE] = rsRandi (10) + 5;
makeHeights (0, CLOUDTEXSIZE, mountains);
for (i = 0; i < CLOUDTEXSIZE; i++) {
for (j = 0; j <= mountains[i]; j++) {
sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 0] = 0;
sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 1] = 0;
sunsetmap[i * CLOUDTEXSIZE * 3 + j * 3 + 2] = 0;
}
sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 1) * 3 + 0] /= 4;
sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 1) * 3 + 1] /= 4;
sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 1) * 3 + 2] /= 4;
sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 2) * 3 + 0] /= 2;
sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 2) * 3 + 1] /= 2;
sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 2) * 3 + 2] /= 2;
sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 3) * 3 + 0] = char (float (sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 3) * 3 + 0]) * 0.75f);
sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 3) * 3 + 1] = char (float (sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 3) * 3 + 1]) * 0.75f);
sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 3) * 3 + 2] = char (float (sunsetmap[i * CLOUDTEXSIZE * 3 + (mountains[i] + 3) * 3 + 2]) * 0.75f);
}
// build texture object
glGenTextures (1, &sunsettex);
glBindTexture (GL_TEXTURE_2D, sunsettex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
gluBuild2DMipmaps (GL_TEXTURE_2D, 3, CLOUDTEXSIZE, CLOUDTEXSIZE, GL_RGB, GL_UNSIGNED_BYTE, sunsetmap);
free (sunsetmap);
}
//initialize earth texture
if (dEarth) {
glGenTextures (1, &earthneartex);
glBindTexture (GL_TEXTURE_2D, earthneartex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
LOAD_TEXTURE (tex, earthnearmap, earthnearmap_compressedsize, earthnearmap_size)
gluBuild2DMipmaps (GL_TEXTURE_2D, 3, EARTHNEARSIZE, EARTHNEARSIZE, GL_RGB, GL_UNSIGNED_BYTE, tex);
FREE_TEXTURE (tex)
glGenTextures (1, &earthfartex);
glBindTexture (GL_TEXTURE_2D, earthfartex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
LOAD_TEXTURE (tex, earthfarmap, earthfarmap_compressedsize, earthfarmap_size)
gluBuild2DMipmaps (GL_TEXTURE_2D, 3, EARTHFARSIZE, EARTHFARSIZE, GL_RGB, GL_UNSIGNED_BYTE, tex);
FREE_TEXTURE (tex)
glGenTextures (1, &earthlighttex);
glBindTexture (GL_TEXTURE_2D, earthlighttex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
LOAD_TEXTURE (tex, earthlightmap, earthlightmap_compressedsize, earthlightmap_size)
gluBuild2DMipmaps (GL_TEXTURE_2D, 3, EARTHFARSIZE, EARTHFARSIZE, GL_RGB, GL_UNSIGNED_BYTE, tex);
FREE_TEXTURE (tex)
}
// initialize star geometry
if (dStardensity) {
float stars[STARMESH + 1][STARMESH / 2][6]; // 6 = x,y,z,u,v,bright
for (j = 0; j < STARMESH / 2; j++) {
y = sin (RS_PIo2 * float (j) / float (STARMESH / 2));
for (i = 0; i <= STARMESH; i++) {
x = cos (RS_PIx2 * float (i) / float (STARMESH)) * cos (RS_PIo2 * float (j) / float (STARMESH / 2));
z = sin (RS_PIx2 * float (i) / float (STARMESH)) * cos (RS_PIo2 * float (j) / float (STARMESH / 2));
// positions
stars[i][j][0] = x * 20000.0f;
stars[i][j][1] = 1500.0f + 18500.0f * y;
stars[i][j][2] = z * 20000.0f;
// tex coords
stars[i][j][3] = 1.2f * x * (2.5f - y);
stars[i][j][4] = 1.2f * z * (2.5f - y);
// brightness
if (stars[i][j][1] < 1501.0f)
stars[i][j][5] = 0.0f;
else
stars[i][j][5] = 1.0f;
}
}
starlist = glGenLists (1);
glNewList (starlist, GL_COMPILE);
glBindTexture (GL_TEXTURE_2D, startex);
for (j = 0; j < (STARMESH / 2 - 1); j++) {
glBegin (GL_TRIANGLE_STRIP);
for (i = 0; i <= STARMESH; i++) {
glColor3f (stars[i][j + 1][5], stars[i][j + 1][5], stars[i][j + 1][5]);
glTexCoord2f (stars[i][j + 1][3], stars[i][j + 1][4]);
glVertex3fv (stars[i][j + 1]);
glColor3f (stars[i][j][5], stars[i][j][5], stars[i][j][5]);
glTexCoord2f (stars[i][j][3], stars[i][j][4]);
glVertex3fv (stars[i][j]);
}
glEnd ();
}
j = STARMESH / 2 - 1;
glBegin (GL_TRIANGLE_FAN);
glColor3f (1.0f, 1.0f, 1.0f);
glTexCoord2f (0.0f, 0.0f);
glVertex3f (0.0f, 20000.0f, 0.0f);
for (i = 0; i <= STARMESH; i++) {
glColor3f (stars[i][j][5], stars[i][j][5], stars[i][j][5]);
glTexCoord2f (stars[i][j][3], stars[i][j][4]);
glVertex3fv (stars[i][j]);
}
glEnd ();
glEndList ();
}
// initialize moon geometry
if (dMoon) {
moonlist = glGenLists (1);
glNewList (moonlist, GL_COMPILE);
glColor4f (1.0f, 1.0f, 1.0f, 1.0f);
glBindTexture (GL_TEXTURE_2D, moontex);
glBegin (GL_TRIANGLE_STRIP);
glTexCoord2f (0.0f, 0.0f);
glVertex3f (-800.0f, -800.0f, 0.0f);
glTexCoord2f (1.0f, 0.0f);
glVertex3f (800.0f, -800.0f, 0.0f);
glTexCoord2f (0.0f, 1.0f);
glVertex3f (-800.0f, 800.0f, 0.0f);
glTexCoord2f (1.0f, 1.0f);
glVertex3f (800.0f, 800.0f, 0.0f);
glEnd ();
glEndList ();
}
// initialize moon glow geometry
if (dMoonglow) {
moonglowlist = glGenLists (1);
glNewList (moonglowlist, GL_COMPILE);
glBindTexture (GL_TEXTURE_2D, moonglowtex);
glBegin (GL_TRIANGLE_STRIP);
glTexCoord2f (0.0f, 0.0f);
glVertex3f (-7000.0f, -7000.0f, 0.0f);
glTexCoord2f (1.0f, 0.0f);
glVertex3f (7000.0f, -7000.0f, 0.0f);
glTexCoord2f (0.0f, 1.0f);
glVertex3f (-7000.0f, 7000.0f, 0.0f);
glTexCoord2f (1.0f, 1.0f);
glVertex3f (7000.0f, 7000.0f, 0.0f);
glEnd ();
glEndList ();
}
// initialize cloud geometry
if (dClouds) {
for (j = 0; j <= CLOUDMESH; j++) {
for (i = 0; i <= CLOUDMESH; i++) {
x = float (i - (CLOUDMESH / 2));
z = float (j - (CLOUDMESH / 2));
clouds[i][j][0] = x * (40000.0f / float (CLOUDMESH));
clouds[i][j][2] = z * (40000.0f / float (CLOUDMESH));
x = float (fabs (x / float (CLOUDMESH / 2)));
z = float (fabs (z / float (CLOUDMESH / 2)));
clouds[i][j][1] = 2000.0f - 1000.0f * float (x * x + z * z);
clouds[i][j][3] = float (-i) / float (CLOUDMESH / 6); // tex coords
clouds[i][j][4] = float (-j) / float (CLOUDMESH / 6);
clouds[i][j][5] = (clouds[i][j][1] - 1000.0f) * 0.00001f * float (dAmbient); // brightness
if (clouds[i][j][5] < 0.0f)
clouds[i][j][5] = 0.0f;
}
}
}
// initialize sunset geometry
if (doSunset) {
sunsetlist = glGenLists (1);
float vert[6] = { 0.0f, 7654.0f, 8000.0f, 14142.0f, 18448.0f, 20000.0f };
glNewList (sunsetlist, GL_COMPILE);
glBindTexture (GL_TEXTURE_2D, sunsettex);
glBegin (GL_TRIANGLE_STRIP);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (1.0f, 0.0f);
glVertex3f (vert[0], vert[2], vert[5]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (0.0f, 0.0f);
glVertex3f (vert[0], vert[0], vert[5]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (1.0f, 0.125f);
glVertex3f (-vert[1], vert[2], vert[4]);
glColor3f (0.25f, 0.25f, 0.25f);
glTexCoord2f (0.0f, 0.125f);
glVertex3f (-vert[1], vert[0], vert[4]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (1.0f, 0.25f);
glVertex3f (-vert[3], vert[2], vert[3]);
glColor3f (0.5f, 0.5f, 0.5f);
glTexCoord2f (0.0f, 0.25f);
glVertex3f (-vert[3], vert[0], vert[3]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (1.0f, 0.375f);
glVertex3f (-vert[4], vert[2], vert[1]);
glColor3f (0.75f, 0.75f, 0.75f);
glTexCoord2f (0.0f, 0.375f);
glVertex3f (-vert[4], vert[0], vert[1]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (1.0f, 0.5f);
glVertex3f (-vert[5], vert[2], vert[0]);
glColor3f (1.0f, 1.0f, 1.0f);
glTexCoord2f (0.0f, 0.5f);
glVertex3f (-vert[5], vert[0], vert[0]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (1.0f, 0.625f);
glVertex3f (-vert[4], vert[2], -vert[1]);
glColor3f (0.75f, 0.75f, 0.75f);
glTexCoord2f (0.0f, 0.625f);
glVertex3f (-vert[4], vert[0], -vert[1]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (1.0f, 0.75f);
glVertex3f (-vert[3], vert[2], -vert[3]);
glColor3f (0.5f, 0.5f, 0.5f);
glTexCoord2f (0.0f, 0.75f);
glVertex3f (-vert[3], vert[0], -vert[3]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (1.0f, 0.875f);
glVertex3f (-vert[1], vert[2], -vert[4]);
glColor3f (0.25f, 0.25f, 0.25f);
glTexCoord2f (0.0f, 0.875f);
glVertex3f (-vert[1], vert[0], -vert[4]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (1.0f, 1.0f);
glVertex3f (vert[0], vert[2], -vert[5]);
glColor3f (0.0f, 0.0f, 0.0f);
glTexCoord2f (0.0f, 1.0f);
glVertex3f (vert[0], vert[0], -vert[5]);
glEnd ();
glEndList ();
}
// initialize earth geometry
if (dEarth) {
earthlist = glGenLists (1);
earthnearlist = glGenLists (1);
earthfarlist = glGenLists (1);
float lit[] = { float (dAmbient) * 0.01f, float (dAmbient) * 0.01f, float (dAmbient) * 0.01f };
float unlit[] = { 0.0f, 0.0f, 0.0f };
float vert[2] = { 839.68f, 8396.8f };
float tex[4] = { 0.0f, 0.45f, 0.55f, 1.0f };
glNewList (earthnearlist, GL_COMPILE);
glColor3fv (lit);
glBegin (GL_TRIANGLE_STRIP);
glTexCoord2f (tex[0], tex[0]);
glVertex3f (-vert[0], 0.0f, -vert[0]);
glTexCoord2f (tex[0], tex[3]);
glVertex3f (-vert[0], 0.0f, vert[0]);
glTexCoord2f (tex[3], tex[0]);
glVertex3f (vert[0], 0.0f, -vert[0]);
glTexCoord2f (tex[3], tex[3]);
glVertex3f (vert[0], 0.0f, vert[0]);
glEnd ();
glEndList ();
glNewList (earthfarlist, GL_COMPILE);
glBegin (GL_TRIANGLE_STRIP);
glColor3fv (lit);
glTexCoord2f (tex[1], tex[1]);
glVertex3f (-vert[0], 0.0f, -vert[0]);
glTexCoord2f (tex[2], tex[1]);
glVertex3f (vert[0], 0.0f, -vert[0]);
glColor3fv (unlit);
glTexCoord2f (tex[0], tex[0]);
glVertex3f (-vert[1], 0.0f, -vert[1]);
glTexCoord2f (tex[3], tex[0]);
glVertex3f (vert[1], 0.0f, -vert[1]);
glEnd ();
glBegin (GL_TRIANGLE_STRIP);
glColor3fv (lit);
glTexCoord2f (tex[1], tex[2]);
glVertex3f (-vert[0], 0.0f, vert[0]);
glTexCoord2f (tex[1], tex[1]);
glVertex3f (-vert[0], 0.0f, -vert[0]);
glColor3fv (unlit);
glTexCoord2f (tex[0], tex[3]);
glVertex3f (-vert[1], 0.0f, vert[1]);
glTexCoord2f (tex[0], tex[0]);
glVertex3f (-vert[1], 0.0f, -vert[1]);
glEnd ();
glBegin (GL_TRIANGLE_STRIP);
glColor3fv (lit);
glTexCoord2f (tex[2], tex[2]);
glVertex3f (vert[0], 0.0f, vert[0]);
glTexCoord2f (tex[1], tex[2]);
glVertex3f (-vert[0], 0.0f, vert[0]);
glColor3fv (unlit);
glTexCoord2f (tex[3], tex[3]);
glVertex3f (vert[1], 0.0f, vert[1]);
glTexCoord2f (tex[0], tex[3]);
glVertex3f (-vert[1], 0.0f, vert[1]);
glEnd ();
glBegin (GL_TRIANGLE_STRIP);
glColor3fv (lit);
glTexCoord2f (tex[2], tex[1]);
glVertex3f (vert[0], 0.0f, -vert[0]);
glTexCoord2f (tex[2], tex[2]);
glVertex3f (vert[0], 0.0f, vert[0]);
glColor3fv (unlit);
glTexCoord2f (tex[3], tex[0]);
glVertex3f (vert[1], 0.0f, -vert[1]);
glTexCoord2f (tex[3], tex[3]);
glVertex3f (vert[1], 0.0f, vert[1]);
glEnd ();
glEndList ();
glNewList (earthlist, GL_COMPILE);
lit[0] = lit[1] = lit[2] = 0.4f;
glColor3fv (lit);
glBegin (GL_TRIANGLE_STRIP);
glTexCoord2f (tex[1], tex[1]);
glVertex3f (-vert[0], 0.0f, -vert[0]);
glTexCoord2f (tex[1], tex[2]);
glVertex3f (-vert[0], 0.0f, vert[0]);
glTexCoord2f (tex[2], tex[1]);
glVertex3f (vert[0], 0.0f, -vert[0]);
glTexCoord2f (tex[2], tex[2]);
glVertex3f (vert[0], 0.0f, vert[0]);
glEnd ();
glBegin (GL_TRIANGLE_STRIP);
glColor3fv (lit);
glTexCoord2f (tex[1], tex[1]);
glVertex3f (-vert[0], 0.0f, -vert[0]);
glTexCoord2f (tex[2], tex[1]);
glVertex3f (vert[0], 0.0f, -vert[0]);
glColor3fv (unlit);
glTexCoord2f (tex[0], tex[0]);
glVertex3f (-vert[1], 0.0f, -vert[1]);
glTexCoord2f (tex[3], tex[0]);
glVertex3f (vert[1], 0.0f, -vert[1]);
glEnd ();
glBegin (GL_TRIANGLE_STRIP);
glColor3fv (lit);
glTexCoord2f (tex[1], tex[2]);
glVertex3f (-vert[0], 0.0f, vert[0]);
glTexCoord2f (tex[1], tex[1]);
glVertex3f (-vert[0], 0.0f, -vert[0]);
glColor3fv (unlit);
glTexCoord2f (tex[0], tex[3]);
glVertex3f (-vert[1], 0.0f, vert[1]);
glTexCoord2f (tex[0], tex[0]);
glVertex3f (-vert[1], 0.0f, -vert[1]);
glEnd ();
glBegin (GL_TRIANGLE_STRIP);
glColor3fv (lit);
glTexCoord2f (tex[2], tex[2]);
glVertex3f (vert[0], 0.0f, vert[0]);
glTexCoord2f (tex[1], tex[2]);
glVertex3f (-vert[0], 0.0f, vert[0]);
glColor3fv (unlit);
glTexCoord2f (tex[3], tex[3]);
glVertex3f (vert[1], 0.0f, vert[1]);
glTexCoord2f (tex[0], tex[3]);
glVertex3f (-vert[1], 0.0f, vert[1]);
glEnd ();
glBegin (GL_TRIANGLE_STRIP);
glColor3fv (lit);
glTexCoord2f (tex[2], tex[1]);
glVertex3f (vert[0], 0.0f, -vert[0]);
glTexCoord2f (tex[2], tex[2]);
glVertex3f (vert[0], 0.0f, vert[0]);
glColor3fv (unlit);
glTexCoord2f (tex[3], tex[0]);
glVertex3f (vert[1], 0.0f, -vert[1]);
glTexCoord2f (tex[3], tex[3]);
glVertex3f (vert[1], 0.0f, vert[1]);
glEnd ();
glEndList ();
}
}
void SceneManager::FrameMove()
{
//更新时间
static int index = 0;
if(m_Stop)return;//暂停动画
frameTime = m_Timer.tick();
//更新粒子系统
// Slows fireworks, but not camera
if(kSlowMotion) frameTime *= 0.5f;
if(m_Fps!=0)
{
frameTime = 1/(float)m_Fps;
}
//更新照像机
m_Camera.Update(m_ParticleSystem.particles,frameTime,m_ParticleSystem.last_particle);
m_ParticleSystem.AllocNewParticle();//增加新粒子空间
//是否暂停动画
if(!kFireworks) return; //如果暂停动画返回
//更新世界
theWorld.update(frameTime);
//减淡
static float ambientlight = float(dAmbient) * 0.01f;
for(unsigned int i=0; i<m_ParticleSystem.last_particle; ++i)
{
Particle* darkener(&(m_ParticleSystem.particles[i]));
if(darkener->type == SMOKE) darkener->rgb[0] = darkener->rgb[1] = darkener->rgb[2] = ambientlight;
}
//改变火箭发射速率
static float rocketTimer[6] = {0,0,0,0,0,0};
static float rocketTimeConst[6] = {5.0f,25,40,35,50,55};
static float changeRocketTimeConst[6] ={25,50,65,65,50,50};
for(int i=0;i<6;i++)
{
changeRocketTimeConst[i] -= frameTime;
if(changeRocketTimeConst[i] <= 0.0f)
{
float temp = rsRandf(4.0f);
//rocketTimeConst[i] = (temp * temp) + (10.0f / float(dMaxrockets));
changeRocketTimeConst[i] = rsRandf(30.0f) + 10.0f;
}
rocketTimer[i] -= frameTime;
}
//发射火箭
if(rocketTimer[0] <= 0.0f)//生存期结束
{
Particle* rock = m_ParticleSystem.AddParticle();//火箭粒子
//初始化火箭 //确定火箭类型
rock->xyz[0] = rsRandf(20.0f);// - 900.0f;
rock->xyz[1] = 5.0f;
rock->xyz[2] = rsRandf(20.0f);// - 900.0f;
rock->initRocket();
int y =rsRandi(8);
if(index==2)
{
rock->explosiontype =6;
}
else if(index==5)
{
rock->explosiontype =6;
}
else if(index==8)
{
rock->explosiontype =6;
}
else
{
rock->m_Fire = &m_CFire[index];
m_CFire[index].m_Exploded = false;//未爆炸
m_CFire[index].m_Boom = false;
rock->explosiontype =22;
}
index++;
index = index%11;
if(dMaxrockets) rocketTimer[0] = rocketTimeConst[0];//火箭时间
else rocketTimer[0] = 60.0f; // arbitrary number since no rockets ever fire
}
/*if(rocketTimer[1] <= 0.0f)//生存期结束
{
Particle* rock = m_ParticleSystem.AddParticle();//火箭粒子
//初始化火箭 //确定火箭类型
rock->xyz[0] = rsRandf(200.0f);// + 800.0f;
rock->xyz[1] = 5.0f;
rock->xyz[2] = rsRandf(200.0f);// + 500.0f;
rock->initRocket();
if(rsRandi(2))
rock->m_Fire = &m_CFire[1];
else rock->m_Fire = &m_CFire[5];
rock->explosiontype = 22;
if(dMaxrockets) rocketTimer[1] = rsRandf(rocketTimeConst[1]);//火箭时间
else rocketTimer[1] = 60.0f; // arbitrary number since no rockets ever fire
}
if(rocketTimer[2] <= 0.0f)//生存期结束
{
Particle* rock = m_ParticleSystem.AddParticle();//火箭粒子
//初始化火箭 //确定火箭类型
rock->xyz[0] = rsRandf(200.0f) + 700.0f;
rock->xyz[1] = 5.0f;
rock->xyz[2] = rsRandf(200.0f) - 500.0f;
rock->initRocket();
if(rsRandi(2))
rock->m_Fire = &m_CFire[2];
else rock->m_Fire = &m_CFire[6];
rock->explosiontype = 22;
if(dMaxrockets) rocketTimer[2] = rsRandf(rocketTimeConst[2]);//火箭时间
else rocketTimer[2] = 60.0f; // arbitrary number since no rockets ever fire
}
if(rocketTimer[3] <= 0.0f)//生存期结束
{
Particle* rock = m_ParticleSystem.AddParticle();//火箭粒子
//初始化火箭 //确定火箭类型
rock->xyz[0] = rsRandf(200.0f) - 500.0f;
rock->xyz[1] = 5.0f;
rock->xyz[2] = rsRandf(200.0f) + 700.0f;
rock->initRocket();
if(rsRandi(2))
rock->m_Fire = &m_CFire[3];
else rock->m_Fire = &m_CFire[7];
rock->explosiontype = 22;
if(dMaxrockets) rocketTimer[3] = rsRandf(rocketTimeConst[3]);//火箭时间
else rocketTimer[3] = 60.0f; // arbitrary number since no rockets ever fire
}
if(rocketTimer[4] <= 0.0f)//生存期结束
{
Particle* rock = m_ParticleSystem.AddParticle();//火箭粒子
//初始化火箭 //确定火箭类型
rock->xyz[0] = rsRandf(200.0f) - 1000.0f;
rock->xyz[1] = 5.0f;
rock->xyz[2] = rsRandf(200.0f) + 500.0f;
rock->initRocket();
rock->explosiontype = 3;
if(dMaxrockets) rocketTimer[4] = rsRandf(rocketTimeConst[4]);//火箭时间
else rocketTimer[4] = 60.0f; // arbitrary number since no rockets ever fire
}
if(rocketTimer[5] <= 0.0f)//生存期结束
{
Particle* rock = m_ParticleSystem.AddParticle();//火箭粒子
//初始化火箭 //确定火箭类型
rock->xyz[0] = rsRandf(200.0f) - 1300.0f;
rock->xyz[1] = 5.0f;
rock->xyz[2] = rsRandf(200.0f) + 500.0f;
rock->initRocket();
rock->explosiontype = 4;
if(dMaxrockets) rocketTimer[5] = rsRandf(rocketTimeConst[5]);//火箭时间
else rocketTimer[5] = 60.0f; // arbitrary number since no rockets ever fire
}
*/
//更新粒子
numRockets = 0;
for(unsigned int i=0; i<m_ParticleSystem.last_particle; i++)
{
Particle* curpart(&(m_ParticleSystem.particles[i]));
m_ParticleSystem.particles[i].update(frameTime,dSmoke,dClouds,dWind,dAmbient,dIllumination,&theWorld);
if(curpart->type == ROCKET) numRockets++;
// curpart->findDepth(m_Camera.cameraPos,billboardMat);
if(curpart->type==IGNITOR&&curpart->life <0.93)
{
if(!curpart->m_Fire->m_Exploded)//未爆炸
{
if(IsRecord())
{
m_PlayTime.push_back(m_Frame*m_f);//记录时间
m_PlayStyle.push_back(BOOM1SOUND );//记录类型
m_PlayPos.push_back(m_Camera.cameraPos);
m_PlaySource.push_back(curpart->xyz);
soundengine->insertSoundNode(BOOM1SOUND , curpart->xyz, m_Camera.cameraPos);
m_PlayTime.push_back(m_Frame*m_f);//记录时间
m_PlayStyle.push_back(SUCKSOUND);//记录类型
m_PlayPos.push_back(m_Camera.cameraPos);
m_PlaySource.push_back(curpart->xyz);
soundengine->insertSoundNode(SUCKSOUND, curpart->xyz,m_Camera.cameraPos);
}
else
{
//播放声音
soundengine->insertSoundNode(BOOM1SOUND, curpart->xyz, m_Camera.cameraPos);
soundengine->insertSoundNode(SUCKSOUND , curpart->xyz, m_Camera.cameraPos);
}
curpart->m_Fire->m_Exploded = true;
}
}
if(curpart->m_Fire!=NULL&&curpart->type==ROCKET&&curpart->life <0.43)
{
if(!curpart->m_Fire->m_Boom)//未爆炸
{
if(IsRecord())
{
m_PlayTime.push_back(m_Frame*m_f);//记录时间
m_PlayStyle.push_back(BOOM1SOUND );//记录类型
m_PlayPos.push_back(m_Camera.cameraPos);
m_PlaySource.push_back(curpart->xyz);
soundengine->insertSoundNode(BOOM1SOUND , curpart->xyz, m_Camera.cameraPos);
}
else
{
//播放声音
soundengine->insertSoundNode(BOOM1SOUND, curpart->xyz, m_Camera.cameraPos);
}
curpart->m_Fire->m_Boom = true;
}
}
//点燃烟花
if(curpart->life <= 0.0f || curpart->xyz[1] < 0.0f)
{
switch(curpart->type)
{
case ROCKET:
if(curpart->xyz[1] <= 0.0f)
{
// move above ground for explosion so new particles aren't removed
curpart->xyz[1] = 0.1f;
curpart->vel[1] *= -0.7f;
}
if(curpart->explosiontype == 18)
curpart->initSpinner();
else
{
curpart->initExplosion();
}
break;
case IGNITOR:
curpart->m_Fire->m_Ignitor++;
if(curpart->m_Fire->m_Ignitor==8)
{
curpart->m_Fire->m_Ignitor = 0;
curpart->explosiontype = 0;
curpart->initExplosion();
curpart->explosiontype = 21;
curpart->initExplosion();
}
else
{
curpart->explosiontype = 0;
curpart->initExplosion();
}
break;
case POPPER:
switch(curpart->explosiontype)
{
case 21:
curpart->initExplosion();
break;
case STAR:
curpart->explosiontype = 100;
curpart->initExplosion();
break;
case STREAMER:
curpart->explosiontype = 101;
curpart->initExplosion();
break;
case METEOR:
curpart->explosiontype = 102;
curpart->initExplosion();
break;
case POPPER:
curpart->type = STAR;
curpart->rgb.set(1.0f, 0.8f, 0.6f);
curpart->t = m_ParticleSystem.particles[i].tr = m_ParticleSystem.particles[i].life = 0.2f;
}
break;
case SUCKER:
curpart->initShockwave();
break;
case STRETCHER:
curpart->initBigmama();
}
}
}
m_ParticleSystem.DeallocParticle();//删除粒子
}
void initSaver(HWND hwnd){
RECT rect;
// Window initialization
hdc = GetDC(hwnd);
setBestPixelFormat(hdc);
hglrc = wglCreateContext(hdc);
GetClientRect(hwnd, &rect);
wglMakeCurrent(hdc, hglrc);
// setup viewport
//viewport[0] = rect.left;
//viewport[1] = rect.top;
//viewport[2] = rect.right - rect.left;
//viewport[3] = rect.bottom - rect.top;
// initialize extensions
if(!initExtensions())
dShaders = 0;
reshape(rect.right, rect.bottom);
#endif
//#ifdef RS_XSCREENSAVER
void initSaver(HyperspaceSaverSettings *inSettings){
//#endif
// Seed random number generator
srand((unsigned)time(NULL));
// Limit memory consumption because the Windows previewer is just too darn slow
/*if(doingPreview){
dResolution = 6;
if(dDepth > 3)
dDepth = 3;
};*/
// Set up some other inSettings defaults...
inSettings->camPos[0] = 0.0f;
inSettings->camPos[1] = 0.0f;
inSettings->camPos[2] = 0.0f;
inSettings->numAnimTexFrames = 20;
inSettings->whichTexture = 0;
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
initFlares(inSettings);
inSettings->thePath = new splinePath((inSettings->dDepth * 2) + 6);
if(inSettings->dUseTunnels)
inSettings->theTunnel = new tunnel(inSettings->thePath, 20);
// To avoid popping, depth, which will be used for fogging, is set to
// dDepth * goo grid size - size of one goo cubelet
inSettings->depth = float(inSettings->dDepth) * 2.0f - 2.0f / float(inSettings->dResolution);
if(inSettings->dUseGoo)
inSettings->theGoo = new goo(inSettings->dResolution, inSettings->depth);
inSettings->stars = new stretchedParticle*[inSettings->dStars];
for(int i=0; i<inSettings->dStars; i++){
inSettings->stars[i] = new stretchedParticle;
inSettings->stars[i]->radius = rsRandf(float(inSettings->dStarSize) * 0.0005f) + float(inSettings->dStarSize) * 0.0005f;
if(i % 10){ // usually bland stars
inSettings->stars[i]->color[0] = 0.8f + rsRandf(0.2f);
inSettings->stars[i]->color[1] = 0.8f + rsRandf(0.2f);
inSettings->stars[i]->color[2] = 0.8f + rsRandf(0.2f);
}
else{ // occasionally a colorful one
inSettings->stars[i]->color[0] = 0.3f + rsRandf(0.7f);
inSettings->stars[i]->color[1] = 0.3f + rsRandf(0.7f);
inSettings->stars[i]->color[2] = 0.3f + rsRandf(0.7f);
inSettings->stars[i]->color[rsRandi(3)] = 1.0f;
}
inSettings->stars[i]->color[rsRandi(3)] = 1.0f;
inSettings->stars[i]->pos[0] = rsRandf(2.0f * inSettings->depth) - inSettings->depth;
inSettings->stars[i]->pos[1] = rsRandf(4.0f) - 2.0f;
inSettings->stars[i]->pos[2] = rsRandf(2.0f * inSettings->depth) - inSettings->depth;
inSettings->stars[i]->fov = float(inSettings->dFov);
}
inSettings->sunStar = new stretchedParticle;
inSettings->sunStar->radius = float(inSettings->dStarSize) * 0.004f;
inSettings->sunStar->pos[0] = 0.0f;
inSettings->sunStar->pos[1] = 2.0f;
inSettings->sunStar->pos[2] = 0.0f;
inSettings->sunStar->fov = float(inSettings->dFov);
inSettings->theStarBurst = new starBurst;
for(int i=0; i<SB_NUM_STARS; i++)
inSettings->theStarBurst->stars[i]->radius = rsRandf(float(inSettings->dStarSize) * 0.001f) + float(inSettings->dStarSize) * 0.001f;
glGenTextures(1, &inSettings->nebulatex);
if(inSettings->dShaders){
initShaders();
inSettings->numAnimTexFrames = 20;
glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, inSettings->nebulatex);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gluBuild2DMipmaps(GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB, 3, NEBULAMAPSIZE, NEBULAMAPSIZE, GL_RGB, GL_UNSIGNED_BYTE, nebulamap);
gluBuild2DMipmaps(GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB, 3, NEBULAMAPSIZE, NEBULAMAPSIZE, GL_RGB, GL_UNSIGNED_BYTE, nebulamap);
gluBuild2DMipmaps(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB, 3, NEBULAMAPSIZE, NEBULAMAPSIZE, GL_RGB, GL_UNSIGNED_BYTE, nebulamap);
gluBuild2DMipmaps(GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB, 3, NEBULAMAPSIZE, NEBULAMAPSIZE, GL_RGB, GL_UNSIGNED_BYTE, nebulamap);
gluBuild2DMipmaps(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB, 3, NEBULAMAPSIZE, NEBULAMAPSIZE, GL_RGB, GL_UNSIGNED_BYTE, nebulamap);
gluBuild2DMipmaps(GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB, 3, NEBULAMAPSIZE, NEBULAMAPSIZE, GL_RGB, GL_UNSIGNED_BYTE, nebulamap);
}
else{
//unsigned char spheremap[NEBULAMAPSIZE][NEBULAMAPSIZE][3] = nebulamap;
inSettings->numAnimTexFrames = 60;
float x, y, temp;
const int halfsize(NEBULAMAPSIZE / 2);
for(int i=0; i<NEBULAMAPSIZE; ++i){
for(int j=0; j<NEBULAMAPSIZE; ++j){
x = float(i - halfsize) / float(halfsize);
y = float(j - halfsize) / float(halfsize);
temp = (x * x) + (y * y);
if(temp > 1.0f)
temp = 1.0f;
if(temp < 0.0f)
temp = 0.0f;
temp = temp * temp;
temp = temp * temp;
nebulamap[i][j][0] = GLubyte(float(nebulamap[i][j][0]) * temp);
nebulamap[i][j][1] = GLubyte(float(nebulamap[i][j][1]) * temp);
nebulamap[i][j][2] = GLubyte(float(nebulamap[i][j][2]) * temp);
}
}
glEnable(GL_NORMALIZE);
glBindTexture(GL_TEXTURE_2D, inSettings->nebulatex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
gluBuild2DMipmaps(GL_TEXTURE_2D, 3, NEBULAMAPSIZE, NEBULAMAPSIZE, GL_RGB, GL_UNSIGNED_BYTE, nebulamap);
}
glEnable(GL_FOG);
float fog_color[4] = {0.0f, 0.0f, 0.0f, 1.0f};
glFogfv(GL_FOG_COLOR, fog_color);
glFogf(GL_FOG_MODE, GL_LINEAR);
glFogf(GL_FOG_START, inSettings->depth * 0.7f);
glFogf(GL_FOG_END, inSettings->depth);
// Initialize text
inSettings->textwriter = new rsText;
//outfile.open("outfile");
inSettings->readyToDraw = 1;
}
void draw(HyperspaceSaverSettings *inSettings){
if(inSettings->first){
if(inSettings->dUseTunnels){ // only tunnels use caustic textures
glDisable(GL_FOG);
// Caustic textures can only be created after rendering context has been created
// because they have to be drawn and then read back from the framebuffer.
#ifdef WIN32
if(doingPreview) // super fast for Windows previewer
inSettings->theCausticTextures = new causticTextures(8, inSettings->numAnimTexFrames, 32, 32, 1.0f, 0.01f, 10.0f);
else // normal
#endif
inSettings->theCausticTextures = new causticTextures(8, inSettings->numAnimTexFrames, 100, 256, 1.0f, 0.01f, 20.0f);
glEnable(GL_FOG);
}
if(inSettings->dShaders){
#ifdef WIN32
if(doingPreview) // super fast for Windows previewer
inSettings->theWNCM = new wavyNormalCubeMaps(inSettings->numAnimTexFrames, 32);
else // normal
#endif
inSettings->theWNCM = new wavyNormalCubeMaps(inSettings->numAnimTexFrames, 128);
}
glViewport(inSettings->viewport[0], inSettings->viewport[1], inSettings->viewport[2], inSettings->viewport[3]);
inSettings->first = 0;
}
// Variables for printing text
static float computeTime = 0.0f;
static float drawTime = 0.0f;
//static rsTimer computeTimer, drawTimer;
// start compute time timer
//computeTimer.tick();
glMatrixMode(GL_MODELVIEW);
// Camera movements
static float camHeading[3] = {0.0f, 0.0f, 0.0f}; // current, target, and last
static int changeCamHeading = 1;
static float camHeadingChangeTime[2] = {20.0f, 0.0f}; // total, elapsed
static float camRoll[3] = {0.0f, 0.0f, 0.0f}; // current, target, and last
static int changeCamRoll = 1;
static float camRollChangeTime[2] = {1.0f, 0.0f}; // total, elapsed
camHeadingChangeTime[1] += inSettings->frameTime;
if(camHeadingChangeTime[1] >= camHeadingChangeTime[0]){ // Choose new direction
camHeadingChangeTime[0] = rsRandf(15.0f) + 5.0f;
camHeadingChangeTime[1] = 0.0f;
camHeading[2] = camHeading[1]; // last = target
if(changeCamHeading){
// face forward most of the time
if(rsRandi(6))
camHeading[1] = 0.0f;
// face backward the rest of the time
else if(rsRandi(2))
camHeading[1] = RS_PI;
else
camHeading[1] = -RS_PI;
changeCamHeading = 0;
}
else
changeCamHeading = 1;
}
float t = camHeadingChangeTime[1] / camHeadingChangeTime[0];
t = 0.5f * (1.0f - cosf(RS_PI * t));
camHeading[0] = camHeading[1] * t + camHeading[2] * (1.0f - t);
camRollChangeTime[1] += inSettings->frameTime;
if(camRollChangeTime[1] >= camRollChangeTime[0]){ // Choose new roll angle
camRollChangeTime[0] = rsRandf(5.0f) + 10.0f;
camRollChangeTime[1] = 0.0f;
camRoll[2] = camRoll[1]; // last = target
if(changeCamRoll){
camRoll[1] = rsRandf(RS_PIx2*2) - RS_PIx2;
changeCamRoll = 0;
}
else
changeCamRoll = 1;
}
t = camRollChangeTime[1] / camRollChangeTime[0];
t = 0.5f * (1.0f - cosf(RS_PI * t));
camRoll[0] = camRoll[1] * t + camRoll[2] * (1.0f - t);
static float pathDir[3] = {0.0f, 0.0f, -1.0f};
inSettings->thePath->moveAlongPath(float(inSettings->dSpeed) * inSettings->frameTime * 0.04f);
inSettings->thePath->update(inSettings->frameTime);
inSettings->thePath->getPoint(inSettings->dDepth + 2, inSettings->thePath->step, inSettings->camPos);
inSettings->thePath->getBaseDirection(inSettings->dDepth + 2, inSettings->thePath->step, pathDir);
float pathAngle = atan2f(-pathDir[0], -pathDir[2]);
glLoadIdentity();
glRotatef((pathAngle + camHeading[0]) * RS_RAD2DEG, 0, 1, 0);
glRotatef(camRoll[0] * RS_RAD2DEG, 0, 0, 1);
glGetFloatv(GL_MODELVIEW_MATRIX, inSettings->billboardMat);
glLoadIdentity();
glRotatef(-camRoll[0] * RS_RAD2DEG, 0, 0, 1);
glRotatef((-pathAngle - camHeading[0]) * RS_RAD2DEG, 0, 1, 0);
glTranslatef(inSettings->camPos[0]*-1, inSettings->camPos[1]*-1, inSettings->camPos[2]*-1);
glGetDoublev(GL_MODELVIEW_MATRIX, inSettings->modelMat);
inSettings->unroll = camRoll[0] * RS_RAD2DEG;
if(inSettings->dUseGoo){
// calculate diagonal fov
float diagFov = 0.5f * float(inSettings->dFov) / RS_RAD2DEG;
diagFov = tanf(diagFov);
diagFov = sqrtf(diagFov * diagFov + (diagFov * inSettings->aspectRatio * diagFov * inSettings->aspectRatio));
diagFov = 2.0f * atanf(diagFov);
inSettings->theGoo->update(inSettings->camPos[0], inSettings->camPos[2], pathAngle + camHeading[0], diagFov, inSettings);
}
// measure compute time
//computeTime += computeTimer.tick();
// start draw time timer
//drawTimer.tick();
// clear
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
// draw stars
glCullFace(GL_BACK);
glEnable(GL_CULL_FACE);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_BLEND);
glEnable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE2_ARB);
glBindTexture(GL_TEXTURE_2D, NULL);
glActiveTextureARB(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_2D, NULL);
glActiveTextureARB(GL_TEXTURE0_ARB);
glBindTexture(GL_TEXTURE_2D, inSettings->flaretex[0]);
static float temppos[2];
for(int i=0; i<inSettings->dStars; i++){
temppos[0] = inSettings->stars[i]->pos[0] - inSettings->camPos[0];
temppos[1] = inSettings->stars[i]->pos[2] - inSettings->camPos[2];
if(temppos[0] > inSettings->depth){
inSettings->stars[i]->pos[0] -= inSettings->depth * 2.0f;
inSettings->stars[i]->lastPos[0] -= inSettings->depth * 2.0f;
}
if(temppos[0] < inSettings->depth*-1){
inSettings->stars[i]->pos[0] += inSettings->depth * 2.0f;
inSettings->stars[i]->lastPos[0] += inSettings->depth * 2.0f;
}
if(temppos[1] > inSettings->depth){
inSettings->stars[i]->pos[2] -= inSettings->depth * 2.0f;
inSettings->stars[i]->lastPos[2] -= inSettings->depth * 2.0f;
}
if(temppos[1] < inSettings->depth*-1){
inSettings->stars[i]->pos[2] += inSettings->depth * 2.0f;
inSettings->stars[i]->lastPos[2] += inSettings->depth * 2.0f;
}
inSettings->stars[i]->draw(inSettings->camPos, inSettings->unroll, inSettings->modelMat, inSettings->projMat, inSettings->viewport);
}
glDisable(GL_CULL_FACE);
// pick animated texture frame
static float textureTime = 0.0f;
textureTime += inSettings->frameTime;
// loop frames every 2 seconds
const float texFrameTime(2.0f / float(inSettings->numAnimTexFrames));
while(textureTime > texFrameTime){
textureTime -= texFrameTime;
inSettings->whichTexture ++;
}
while(inSettings->whichTexture >= inSettings->numAnimTexFrames)
inSettings->whichTexture -= inSettings->numAnimTexFrames;
// alpha component gets normalmap lerp value
const float lerp = textureTime / texFrameTime;
// draw goo
if(inSettings->dUseGoo){
// calculate color
static float goo_rgb_phase[3] = {-0.1f, -0.1f, -0.1f};
static float goo_rgb_speed[3] = {rsRandf(0.02f) + 0.02f, rsRandf(0.02f) + 0.02f, rsRandf(0.02f) + 0.02f};
float goo_rgb[4];
for(int i=0; i<3; i++){
goo_rgb_phase[i] += goo_rgb_speed[i] * inSettings->frameTime;
if(goo_rgb_phase[i] >= RS_PIx2)
goo_rgb_phase[i] -= RS_PIx2;
goo_rgb[i] = sinf(goo_rgb_phase[i]);
if(goo_rgb[i] < 0.0f)
goo_rgb[i] = 0.0f;
}
// setup textures
if(inSettings->dShaders){
goo_rgb[3] = lerp;
glDisable(GL_TEXTURE_2D);
glEnable(GL_TEXTURE_CUBE_MAP_ARB);
glActiveTextureARB(GL_TEXTURE2_ARB);
glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, inSettings->nebulatex);
glActiveTextureARB(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, inSettings->theWNCM->texture[(inSettings->whichTexture + 1) % inSettings->numAnimTexFrames]);
glActiveTextureARB(GL_TEXTURE0_ARB);
glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, inSettings->theWNCM->texture[inSettings->whichTexture]);
glUseProgramObjectARB(gooProgram);
}
else{
goo_rgb[3] = 1.0f;
glBindTexture(GL_TEXTURE_2D, inSettings->nebulatex);
glEnable(GL_TEXTURE_2D);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
}
// draw it
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnable(GL_BLEND);
glColor4fv(goo_rgb);
inSettings->theGoo->draw();
if(inSettings->dShaders){
glDisable(GL_TEXTURE_CUBE_MAP_ARB);
glUseProgramObjectARB(0);
}
else{
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
}
// update starburst
static float starBurstTime = 300.0f; // burst after 5 minutes
starBurstTime -= inSettings->frameTime;
if(starBurstTime <= 0.0f){
float pos[] = {inSettings->camPos[0] + (pathDir[0] * inSettings->depth * (0.5f + rsRandf(0.5f))),
rsRandf(2.0f) - 1.0f,
inSettings->camPos[2] + (pathDir[2] * inSettings->depth * (0.5f + rsRandf(0.5f)))};
inSettings->theStarBurst->restart(pos); // it won't actually restart unless it's ready to
starBurstTime = rsRandf(240.0f) + 60.0f; // burst again within 1-5 minutes
}
if(inSettings->dShaders)
inSettings->theStarBurst->draw(lerp, inSettings);
else
inSettings->theStarBurst->draw(inSettings);
// draw tunnel
if(inSettings->dUseTunnels){
inSettings->theTunnel->make(inSettings->frameTime, inSettings->dShaders);
glCullFace(GL_BACK);
glEnable(GL_CULL_FACE);
glEnable(GL_TEXTURE_2D);
if(inSettings->dShaders){
glActiveTextureARB(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_2D, inSettings->theCausticTextures->caustictex[(inSettings->whichTexture + 1) % inSettings->numAnimTexFrames]);
glActiveTextureARB(GL_TEXTURE0_ARB);
glBindTexture(GL_TEXTURE_2D, inSettings->theCausticTextures->caustictex[inSettings->whichTexture]);
glUseProgramObjectARB(tunnelProgram);
inSettings->theTunnel->draw(lerp);
glUseProgramObjectARB(0);
}
else{
glBindTexture(GL_TEXTURE_2D, inSettings->theCausticTextures->caustictex[inSettings->whichTexture]);
inSettings->theTunnel->draw();
}
glDisable(GL_CULL_FACE);
}
// draw sun with lens flare
glDisable(GL_FOG);
float flarepos[3] = {0.0f, 2.0f, 0.0f};
glBindTexture(GL_TEXTURE_2D, inSettings->flaretex[0]);
inSettings->sunStar->draw(inSettings->camPos, inSettings->unroll, inSettings->modelMat, inSettings->projMat, inSettings->viewport);
float diff[3] = {flarepos[0] - inSettings->camPos[0], flarepos[1] - inSettings->camPos[1], flarepos[2] - inSettings->camPos[2]};
float alpha = 0.5f - 0.005f * sqrtf(diff[0] * diff[0] + diff[1] * diff[1] + diff[2] * diff[2]);
if(alpha > 0.0f)
flare(flarepos, 1.0f, 1.0f, 1.0f, alpha, inSettings);
glEnable(GL_FOG);
// measure draw time
//drawTime += drawTimer.tick();
// write text
static float totalTime = 0.0f;
totalTime += inSettings->frameTime;
static std::vector<std::string> strvec;
static int frames = 0;
++frames;
if(frames == 60){
strvec.clear();
std::string str1 = " FPS = " + to_string(60.0f / totalTime);
strvec.push_back(str1);
std::string str2 = "compute time = " + to_string(computeTime / 60.0f);
strvec.push_back(str2);
std::string str3 = " draw time = " + to_string(drawTime / 60.0f);
strvec.push_back(str3);
totalTime = 0.0f;
computeTime = 0.0f;
drawTime = 0.0f;
frames = 0;
}
if(inSettings->kStatistics){
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0.0f, 50.0f * inSettings->aspectRatio, 0.0f, 50.0f, -1.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glTranslatef(1.0f, 48.0f, 0.0f);
glColor3f(1.0f, 0.6f, 0.0f);
inSettings->textwriter->draw(strvec);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
}
#ifdef WIN32
wglSwapLayerBuffers(hdc, WGL_SWAP_MAIN_PLANE);
#endif
#ifdef RS_XSCREENSAVER
glXSwapBuffers(xdisplay, xwindow);
#endif
}
void draw ()
{
int i, j, k;
int indexx, indexy, indexz;
float xyz[4], dir[4], angvel[4], tempVec[4];
static float oldxyz[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
static float oldDir[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
static float oldAngvel[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
float angle, distance;
float rotMat[16];
float newQuat[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
static float quat[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
static int flymode = 1;
static float flymodeChange = 20.0f;
static int seg = 0; /* Section of path */
static float where = 0.0f; /* Position on path */
static float rollVel = 0.0f, rollAcc = 0.0f;
int drawDepth = dDrawdepth + 2;
static float rollChange = 0; /* rsRandf (10.0f) + 2.0f; */
where += (float)dSpeed * 0.05f * elapsedTime;
if (where >= 1.0f) {
where -= 1.0f;
seg++;
}
if (seg >= segments) {
seg = 0;
reconfigure ();
}
/*
* Calculate position
*/
xyz[0] = interpolate (path[seg][0], path[seg][3], path[seg + 1][0], path[seg + 1][3], where);
xyz[1] = interpolate (path[seg][1], path[seg][4], path[seg + 1][1], path[seg + 1][4], where);
xyz[2] = interpolate (path[seg][2], path[seg][5], path[seg + 1][2], path[seg + 1][5], where);
/*
* Do rotation stuff
*/
rsVec_subtract (xyz, oldxyz, (float *)&dir);
rsVec_normalize ((float *)&dir);
rsVec_cross ((float *)&angvel, dir, oldDir); /* Desired axis of rotation */
/* Protect against mild "overflow" */
float dot = MAX(MIN(rsVec_dot (oldDir, dir), -1.0), 1.0);
float maxSpin = 0.25f * (float)dSpeed * elapsedTime;
angle = MAX(MIN(acos(dot), -maxSpin), maxSpin);
rsVec_scale ((float *)&angvel, angle); /* Desired angular velocity */
rsVec_subtract (angvel, oldAngvel, (float *)&tempVec); /* Change in angular velocity */
distance = rsVec_length (tempVec); /* Don't let angular velocity change too much */
float rotationInertia = 0.007f * (float)dSpeed * elapsedTime;
if (distance > rotationInertia * elapsedTime) {
rsVec_scale ((float *)&tempVec, ((rotationInertia * elapsedTime) / distance));
rsVec_add (oldAngvel, tempVec, (float *)&angvel);
}
flymodeChange -= elapsedTime;
if (flymodeChange <= 1.0f) /* prepare to transition */
rsVec_scale ((float *)&angvel, flymodeChange);
if (flymodeChange <= 0.0f) { /* transition from one fly mode to
* the other? */
flymode = rsRandi (4);
flymodeChange = rsRandf ((float)(150 - dSpeed)) + 5.0f;
}
rsVec_copy (angvel, (float *)&tempVec); /* Recompute desired rotation */
angle = rsVec_normalize ((float *)&tempVec);
rsQuat_make ((float *)&newQuat, angle, tempVec[0], tempVec[1], tempVec[2]); /* Use rotation */
if (flymode) /* fly normal (straight) */
rsQuat_preMult ((float *)&quat, newQuat);
else /* don't fly normal (go backwards and stuff) */
rsQuat_postMult ((float *)&quat, newQuat);
/* Roll */
rollChange -= elapsedTime;
if (rollChange <= 0.0f) {
rollAcc = rsRandf (0.02f * (float)dSpeed) - (0.01f * (float)dSpeed);
rollChange = rsRandf (10.0f) + 2.0f;
}
rollVel += rollAcc * elapsedTime;
if (rollVel > (0.04f * (float)dSpeed) && rollAcc > 0.0f)
rollAcc = 0.0f;
if (rollVel < (-0.04f * (float)dSpeed) && rollAcc < 0.0f)
rollAcc = 0.0f;
rsQuat_make ((float *)&newQuat, rollVel * elapsedTime, oldDir[0], oldDir[1], oldDir[2]);
rsQuat_preMult ((float *)&quat, newQuat);
/* quat.normalize(); */
rsQuat_toMat ((float *)&quat, (float *)&rotMat);
/*
* Save old stuff
*/
rsVec_copy (xyz, (float *)&oldxyz);
oldDir[0] = -rotMat[2];
oldDir[1] = -rotMat[6];
oldDir[2] = -rotMat[10];
rsVec_copy (angvel, (float *)&oldAngvel);
/*
* Apply transformations
*/
glMatrixMode (GL_MODELVIEW);
glLoadMatrixf (rotMat);
glTranslatef (-xyz[0], -xyz[1], -xyz[2]);
// Just in case display lists contain no colors
glColor3f(1.0f, 1.0f, 1.0f);
// Environment mapping for crystal, chrome, brass, shiny, and ghostly
if(dTexture == 2 || dTexture == 3 || dTexture == 4 || dTexture == 5 || dTexture == 6){
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
}
/*
* Render everything
*/
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
for (i = globalxyz[0] - drawDepth; i <= globalxyz[0] + drawDepth; i++) {
for (j = globalxyz[1] - drawDepth; j <= globalxyz[1] + drawDepth; j++) {
for (k = globalxyz[2] - drawDepth; k <= globalxyz[2] + drawDepth; k++) {
float tpos[4]; /* transformed position */
tempVec[0] = (float)i - xyz[0];
tempVec[1] = (float)j - xyz[1];
tempVec[2] = (float)k - xyz[2];
tpos[0] = tempVec[0] * rotMat[0] + tempVec[1] * rotMat[4] + tempVec[2] * rotMat[8]; /* + rotMat[12]; */
tpos[1] = tempVec[0] * rotMat[1] + tempVec[1] * rotMat[5] + tempVec[2] * rotMat[9]; /* + rotMat[13]; */
tpos[2] = tempVec[0] * rotMat[2] + tempVec[1] * rotMat[6] + tempVec[2] * rotMat[10]; /* + rotMat[14]; */
#define radius 0.9f
/* camera_inViewVolume */
/*
* check back plane
*/
if (!(tpos[2] < -(theCamera.farplane + radius))) {
/*
* check bottom plane
*/
if (!(rsVec_dot(tpos, theCamera.cullVec[0]) < -radius)) {
/*
* check top plane
*/
if (!(rsVec_dot(tpos, theCamera.cullVec[1]) < -radius)) {
/*
* check left plane
*/
if (!(rsVec_dot(tpos, theCamera.cullVec[2]) < -radius)) {
/*
* check right plane
*/
if (!(rsVec_dot(tpos, theCamera.cullVec[3]) < -radius)) {
indexx = myMod (i);
indexy = myMod (j);
indexz = myMod (k);
/*
* draw it
*/
glPushMatrix ();
glTranslatef ((float)i, (float)j, (float)k);
glCallList (lattice[indexx][indexy][indexz]);
glPopMatrix ();
}
}
}
}
}
}
}
}
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glFlush ();
}
void hack_init (xstuff_t * XStuff)
{
int i, j, k;
hack_reshape (XStuff);
if (dTexture == 9) /* Choose random texture */
dTexture = rsRandi (9);
if (dTexture != 2 && dTexture != 6) /* No z-buffering for crystal or ghostly */
glEnable (GL_DEPTH_TEST);
if (dTexture != 3 && dTexture != 4 && dTexture != 6) { /* No lighting for chrome, brass, or ghostly */
float ambient[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
float diffuse[4] = { 1.0f, 1.0f, 1.0f, 0.0f };
float specular[4] = { 1.0f, 1.0f, 1.0f, 0.0f };
float position[4] = { 400.0f, 300.0f, 500.0f, 0.0f };
/* float position[4] = {0.0f, 0.0f, 0.0f, 1.0f}; */
glEnable (GL_LIGHTING);
glEnable (GL_LIGHT0);
glLightModeli (GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
glLightfv (GL_LIGHT0, GL_AMBIENT, ambient);
glLightfv (GL_LIGHT0, GL_DIFFUSE, diffuse);
glLightfv (GL_LIGHT0, GL_SPECULAR, specular);
glLightfv (GL_LIGHT0, GL_POSITION, position);
}
glEnable (GL_COLOR_MATERIAL);
if (dTexture == 0 || dTexture == 5 || dTexture >= 7) {
glMaterialf (GL_FRONT, GL_SHININESS, 50.0f);
glColorMaterial (GL_FRONT, GL_SPECULAR);
}
if (dTexture == 2) {
glMaterialf (GL_FRONT, GL_SHININESS, 10.0f);
glColorMaterial (GL_FRONT, GL_SPECULAR);
}
glColorMaterial (GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
if (dFog) {
float fog_color[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
glEnable (GL_FOG);
glFogfv (GL_FOG_COLOR, fog_color);
glFogf (GL_FOG_MODE, GL_LINEAR);
glFogf (GL_FOG_START, (float)dDrawdepth * 0.3f);
glFogf (GL_FOG_END, (float)dDrawdepth - 0.1f);
}
if (dTexture == 2 || dTexture == 6) { /* Use blending for crystal and ghostly */
glBlendFunc (GL_SRC_ALPHA, GL_ONE);
glEnable (GL_BLEND);
}
if (dTexture == 7) { /* Use blending for circuits */
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable (GL_BLEND);
}
if (dTexture) {
glEnable (GL_TEXTURE_2D);
initTextures ();
}
/*
* Initialize lattice objects and their positions in the lattice array
*/
makeLatticeObjects ();
for (i = 0; i < LATSIZE; i++) {
for (j = 0; j < LATSIZE; j++) {
for (k = 0; k < LATSIZE; k++) {
lattice[i][j][k] = list_base + rsRandi (NUMOBJECTS);
}
}
}
/*
* Initialize border points horizontal border points
*/
/*
* horizontal border points
*/
for (i = 0; i < 6; i++) {
for (j = 0; j < 6; j++) {
bPnt[i][j] = 0.0f;
}
}
bPnt[0][0] = 0.5f;
bPnt[0][1] = -0.25f;
bPnt[0][2] = 0.25f;
bPnt[0][3] = 1.0f; /* right */
bPnt[1][0] = 0.5f;
bPnt[1][1] = 0.25f;
bPnt[1][2] = -0.25f;
bPnt[1][3] = 1.0f; /* right */
bPnt[2][0] = -0.25f;
bPnt[2][1] = 0.5f;
bPnt[2][2] = 0.25f;
bPnt[2][4] = 1.0f; /* top */
bPnt[3][0] = 0.25f;
bPnt[3][1] = 0.5f;
bPnt[3][2] = -0.25f;
bPnt[3][4] = 1.0f; /* top */
bPnt[4][0] = -0.25f;
bPnt[4][1] = -0.25f;
bPnt[4][2] = 0.5f;
bPnt[4][5] = 1.0f; /* front */
bPnt[5][0] = 0.25f;
bPnt[5][1] = 0.25f;
bPnt[5][2] = 0.5f;
bPnt[5][5] = 1.0f; /* front */
/*
* diagonal border points
*/
bPnt[6][0] = 0.5f;
bPnt[6][1] = -0.5f;
bPnt[6][2] = -0.5f;
bPnt[6][3] = 1.0f;
bPnt[6][4] = -1.0f;
bPnt[6][5] = -1.0f;
bPnt[7][0] = 0.5f;
bPnt[7][1] = 0.5f;
bPnt[7][2] = -0.5f;
bPnt[7][3] = 1.0f;
bPnt[7][4] = 1.0f;
bPnt[7][5] = -1.0f;
bPnt[8][0] = 0.5f;
bPnt[8][1] = -0.5f;
bPnt[8][2] = 0.5f;
bPnt[8][3] = 1.0f;
bPnt[8][4] = -1.0f;
bPnt[8][5] = 1.0f;
bPnt[9][0] = 0.5f;
bPnt[9][1] = 0.5f;
bPnt[9][2] = 0.5f;
bPnt[9][3] = 1.0f;
bPnt[9][4] = 1.0f;
bPnt[9][5] = 1.0f;
globalxyz[0] = 0;
globalxyz[1] = 0;
globalxyz[2] = 0;
/*
* Set up first path section
*/
path[0][0] = 0.0f;
path[0][1] = 0.0f;
path[0][2] = 0.0f;
path[0][3] = 0.0f;
path[0][4] = 0.0f;
path[0][5] = 0.0f;
j = rsRandi (12);
k = j % 6;
for (i = 0; i < 6; i++)
path[1][i] = bPnt[k][i];
if (j > 5) { /* If we want to head in a negative direction */
i = k / 2; /* then we need to flip along the appropriate axis */
path[1][i] *= -1.0f;
path[1][i + 3] *= -1.0f;
}
lastBorder = k;
segments = 1;
}
void
ion::start ()
{
int i = rsRandi (dEmitters);
float offset = elapsedTime * speed;
pos = elist[i].pos;
switch (rsRandi (14)) {
case 0:
pos[0] += offset;
break;
case 1:
pos[0] -= offset;
break;
case 2:
pos[1] += offset;
break;
case 3:
pos[1] -= offset;
break;
case 4:
pos[2] += offset;
break;
case 5:
pos[2] -= offset;
break;
case 6:
pos[0] += offset;
pos[1] += offset;
pos[2] += offset;
break;
case 7:
pos[0] -= offset;
pos[1] += offset;
pos[2] += offset;
break;
case 8:
pos[0] += offset;
pos[1] -= offset;
pos[2] += offset;
break;
case 9:
pos[0] -= offset;
pos[1] -= offset;
pos[2] += offset;
break;
case 10:
pos[0] += offset;
pos[1] += offset;
pos[2] -= offset;
break;
case 11:
pos[0] -= offset;
pos[1] += offset;
pos[2] -= offset;
break;
case 12:
pos[0] += offset;
pos[1] -= offset;
pos[2] -= offset;
break;
case 13:
pos[0] -= offset;
pos[1] -= offset;
pos[2] -= offset;
}
rgb = newRgb;
}
