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command.c
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command.c
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/*
Gravit - A gravity simulator
Copyright 2003-2005 Gerald Kaszuba
Gravit is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Gravit is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Gravit; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "gravit.h"
cmd_t cmd[] = {
// cmd func varf, vari
{ "quit", cmdQuit, NULL, NULL, NULL }
,{ "exec", cmdRunScript, NULL, NULL, NULL }
,{ "help", cmdHelp, NULL, NULL, NULL }
,{ "load", cmdLoadFrameDump, NULL, NULL, NULL }
,{ "save", cmdSaveFrameDump, NULL, NULL, NULL }
,{ "saveauto", NULL, NULL, &state.autoSave, NULL }
,{ "savelist", cmdSaveList, NULL, NULL, NULL }
,{ "savedelete", cmdSaveDelete, NULL, NULL, NULL }
,{ "list", cmdList, NULL, NULL, NULL }
,{ "unhelpful", cmdUnhelpful, NULL, NULL, NULL }
,{ "memoryavailable", NULL, NULL, &state.memoryAvailable, NULL }
#ifndef NO_GUI
,{ "videorestart", cmdVideoRestart, NULL, NULL, NULL }
,{ "videowidth", NULL, NULL, &video.screenWtoApply, NULL }
,{ "videoheight", NULL, NULL, &video.screenHtoApply, NULL }
,{ "videobpp", NULL, NULL, &video.screenBPP, NULL }
,{ "videofullscreen", NULL, NULL, &video.screenFS, NULL }
,{ "videoantialiasing", NULL, NULL, &video.screenAA, NULL }
,{ "fontfile", cmdFontFile, NULL, NULL, NULL }
,{ "fontsize", NULL, NULL, &video.fontSize, NULL }
#endif
,{ "start", cmdStart, NULL, NULL, NULL }
,{ "record", cmdRecord, NULL, NULL, NULL }
,{ "play", cmdPlay, NULL, NULL, NULL }
,{ "stop", cmdStop, NULL, NULL, NULL }
,{ "spawn", cmdSpawn, NULL, NULL, NULL }
,{ "status", cmdStatus, NULL, NULL, NULL }
,{ "recordingvideorefreshtime", NULL, NULL, &view.recordingVideoRefreshTime, NULL }
,{ "screensaver", NULL, NULL, &view.screenSaver, NULL }
,{ "installscreensaver", cmdInstallScreenSaver, NULL, NULL, NULL }
,{ "cd", cmdChangeDir, NULL, NULL, NULL }
,{ "showcursor", NULL, NULL, &view.showCursor, NULL }
,{ "g", cmdSetG, &state.gbase, NULL, NULL }
,{ "blendmode", NULL, NULL, &view.blendMode, NULL }
,{ "screenshot", cmdScreenshot, NULL, NULL, NULL }
,{ "screenshotloop", NULL, NULL, &view.screenshotLoop}
// ,{ "fps", cmdFps, &view.fps, NULL, NULL }
,{ "frameskip", cmdFrameSkip, NULL, NULL, NULL }
,{ "frame", NULL, NULL, &state.currentFrame, NULL }
,{ "tailskip", cmdTailSkipCheck, NULL, &view.tailSkip, NULL }
,{ "tailfaded", NULL, NULL, &view.tailFaded, NULL }
,{ "tailopacity", NULL, &view.tailOpacity, NULL, NULL }
,{ "taillength", NULL, NULL, &view.tailLength, NULL }
,{ "tailwidth", NULL, &view.tailWidth, NULL, NULL }
,{ "drawaxis", NULL, NULL, &view.drawAxis, NULL }
,{ "drawtree", NULL, NULL, &view.drawTree, NULL }
,{ "drawosd", NULL, NULL, &view.drawOSD, NULL }
,{ "drawcolourscheme", NULL, NULL, &view.drawColourScheme, NULL }
,{ "particlecount", NULL, NULL, &state.particlesToSpawn, NULL }
,{ "particlerendermode", NULL, NULL, &view.particleRenderMode, NULL }
,{ "particlerendertexture", NULL, NULL, &view.particleRenderTexture, NULL }
,{ "particlecolourmode", NULL, NULL, &view.particleColourMode, NULL }
,{ "particlesizemin", NULL, &view.particleSizeMin, NULL, NULL }
,{ "particlesizemax", NULL, &view.particleSizeMax, NULL, NULL }
,{ "spawngalcountmin", NULL, NULL, &spawnVars.minGalCount, NULL }
,{ "spawngalcountmax", NULL, NULL, &spawnVars.maxGalCount, NULL }
,{ "spawngalmassmin", NULL, &spawnVars.minGalMass, NULL, NULL }
,{ "spawngalmassmax", NULL, &spawnVars.maxGalMass, NULL, NULL }
,{ "spawngalsizemin", NULL, &spawnVars.minGalSize, NULL, NULL }
,{ "spawngalsizemax", NULL, &spawnVars.maxGalSize, NULL, NULL }
,{ "spawngalvelmin", NULL, &spawnVars.minGalVel, NULL, NULL }
,{ "spawngalvelmax", NULL, &spawnVars.maxGalVel, NULL, NULL }
,{ "spawnrangemin", NULL, &spawnVars.minSpawnRange, NULL, NULL }
,{ "spawnrangemax", NULL, &spawnVars.maxSpawnRange, NULL, NULL }
,{ "colourschemenew", cmdColourSchemeNew, NULL, NULL, NULL }
,{ "colourschemeadd", cmdColourSchemeAdd, NULL, NULL, NULL }
,{ "framecompression", NULL, NULL, &state.frameCompression, NULL }
,{ "verbose", NULL, NULL, &view.verboseMode, NULL }
,{ "processors", NULL, NULL, &state.processFrameThreads, NULL }
,{ "zoom", NULL, &view.zoom, NULL, NULL }
,{ "zoomfit", cmdZoomFit, NULL, NULL, NULL }
,{ "zoomfitauto", NULL, NULL, &view.zoomFitAuto, NULL }
,{ "autorotate", cmdAutoRotate, NULL, NULL, NULL }
,{ "autorecord", NULL, NULL, &state.autoRecord, NULL }
,{ "stereo", cmdStereoWarning, NULL, &view.stereoMode, NULL }
,{ "stereoseparation", NULL, &view.stereoSeparation, NULL, NULL }
,{ "stereoosd", NULL, NULL, &view.stereoOSD, NULL }
,{ "timeradd", cmdTimerAdd, NULL, NULL, NULL }
,{ "timerdel", cmdTimerDel, NULL, NULL, NULL }
,{ "timerlist", cmdTimerList, NULL, NULL, NULL }
,{ "popuptext", cmdPopupText, NULL, NULL, NULL }
,{ "autocenter", NULL, NULL, &view.autoCenter, NULL }
,{ "maxvertices", NULL, NULL, &view.maxVertices, NULL }
,{ NULL, NULL, NULL, NULL, NULL }
};
void commandInit() {
FILE *fp;
char buffer[FILE_CHUNK_SIZE_SMALL];
fp = fopen(MISCDIR "/commandhelp.txt", "rb");
if (!fp) {
conAdd(LERR, "Could not open " MISCDIR "/commandhelp.txt");
return;
}
while (fgets(buffer, FILE_CHUNK_SIZE_SMALL, fp)) {
char *ptrCmd,*ptrDesc;
int c;
// get the first space
ptrCmd = strtok(buffer, " ");
if (!ptrCmd) continue;
ptrDesc = strtok(NULL, "\0");
if (!ptrDesc) continue;
ptrDesc[strlen(ptrDesc)-1] = 0;
c = cmdFind(ptrCmd);
if (c == -1)
continue;
cmd[c].description = malloc(strlen(ptrDesc)+1);
strcpy(cmd[c].description, ptrDesc);
}
fclose(fp);
}
void cmdFree() {
int i = -1;
cmd_t *c;
while (1) {
i++;
c = &cmd[i];
if (!c->cmd)
return;
if (!c->description)
continue;
free(c->description);
c->description = 0;
}
}
void cmdPrint(cmd_t *c) {
if (c->fVar)
conAdd(LNORM, "%s = %f", c->cmd, *c->fVar);
else if (c->iVar)
conAdd(LNORM, "%s = %i", c->cmd, *c->iVar);
else
conAdd(LNORM, "%s", c->cmd);
}
int cmdFind(char *string) {
cmd_t *c;
int lenString;
int lenCommand;
int i;
lenString = strlen(string);
i = -1;
while (1) {
i++;
c = &cmd[i];
if (!c->cmd)
return -1;
lenCommand = strlen(c->cmd);
if (lenString > lenCommand) {
continue;
}
if (!strncmp(string, c->cmd, lenCommand)) {
return i;
}
}
}
int cmdPrintStartingWith(char *string) {
cmd_t *c;
int lenString;
int lenCommand;
int i;
lenString = strlen(string);
i = -1;
while (1) {
i++;
c = &cmd[i];
if (!c->cmd)
return -1;
lenCommand = strlen(c->cmd);
if (lenString > lenCommand) {
continue;
}
if (!strncmp(string, c->cmd, lenString)) {
cmdPrint(c);
}
}
}
void cmdExecute(char *string) {
int j;
cmd_t *c;
char cmdbuf[CONSOLE_LENGTH];
int stringLength;
char *args;
int ivar;
float fvar;
if (!string)
return;
stringLength = strlen(string);
if (!stringLength)
return;
strncpy(cmdbuf, string, CONSOLE_LENGTH);
strtok(cmdbuf, " ");
args = strtok(NULL, "");
j = cmdFind(cmdbuf);
if (j == -1) {
conAdd(LERR, "%s: Command not found", string);
cmdPrintStartingWith(cmdbuf);
return;
}
c = &cmd[j];
if (c->fVar) {
if (args) {
fvar = (float)atof(args);
memcpy(c->fVar, &fvar, sizeof(float));
}
cmdPrint(c);
} else if (c->iVar) {
if (args) {
ivar = atoi(args);
memcpy(c->iVar, &ivar, sizeof(int));
}
cmdPrint(c);
}
if (c->func)
c->func(args);
}
void cmdQuit(char *arg) {
view.quit = 1;
state.mode = 0;
}
void cmdStop(char *arg) {
if (isSpawning())
return;
conAdd(LNORM, "Stopped...");
state.mode &= ~SM_PLAY;
state.mode &= ~SM_RECORD;
setTitle(0);
}
void cmdSpawnCancel(void) {
#ifdef USE_LUA
conAdd(LERR, "%s", lua_tostring(state.lua, -1));
cleanMemory();
state.currentlySpawning = 0;
state.particleCount = 0;
luaFree();
#endif
}
void cmdSpawn(char *arg) {
char *scriptName;
#ifdef USE_LUA
char *scriptFile;
#endif
if (arg)
scriptName = arg;
else
scriptName = "default";
freeFileName();
if (state.currentlySpawning) {
state.restartSpawning = 1;
return;
}
cmdSpawnRestartSpawning:
state.currentlySpawning = 1;
state.restartSpawning = 0;
state.mode = 0;
state.particleCount = state.particlesToSpawn;
state.historyFrames = (int)((float)(state.memoryAvailable * 1024 * 1024) / FRAMESIZE);
if (!initFrame()) {
conAdd(LERR, "Could not init frame");
return;
}
#ifdef USE_LUA
luaInit();
// tell lua where to find the spawn scripts
lua_pushstring(state.lua, SPAWNDIR "/?");
lua_setglobal(state.lua, "LUA_PATH");
lua_pushnumber(state.lua, state.particleCount);
lua_setglobal(state.lua, "spawnparticles");
scriptFile = va(SPAWNDIR "/%s.gravitspawn", scriptName);
luaExecute(scriptFile);
lua_getglobal(state.lua, "describe");
if (lua_pcall(state.lua, 0, 1, 0)) {
conAdd(LERR, "Could not execute spawn function in %s", scriptFile);
cmdSpawnCancel();
return;
}
lua_getglobal(state.lua, "spawn");
if (lua_pcall(state.lua, 0, 1, 0)) {
conAdd(LERR, "Could not execute spawn function in %s", scriptFile);
cmdSpawnCancel();
return;
}
luaFree();
#else
pickPositions();
#endif
if (state.restartSpawning) {
goto cmdSpawnRestartSpawning;
}
// make sure no two particles are in the same spot
{
int i,j;
int needrestart;
restart:
needrestart = 0;
for (i = 0; i < state.particleCount; i++) {
for (j = 0; j < state.particleCount; j++) {
particle_t *p1;
particle_t *p2;
particleDetail_t *pd1;
particleDetail_t *pd2;
VectorNew(diff);
if (j == i)
continue;
p1 = getParticleCurrentFrame(i);
p2 = getParticleCurrentFrame(j);
pd1 = getParticleDetail(i);
pd2 = getParticleDetail(j);
if (pd1->mass == 0) {
conAdd(LERR, "Particle %i has no mass", i);
pd1->mass = 1;
needrestart = 1;
}
if (pd2->mass == 0) {
conAdd(LERR, "Particle %i has no mass", j);
pd2->mass = 1;
needrestart = 1;
}
VectorSub(p1->pos, p2->pos, diff);
#define MIN_STEP 0.001
if (fabs(diff[0]) < MIN_STEP && fabs(diff[1]) < MIN_STEP && fabs(diff[2]) < MIN_STEP) {
conAdd(LERR, "Particle %i and %i are in the same position, moving...", i, j);
conAdd(LERR, "%f %f %f", p1->pos[0], p1->pos[1], p1->pos[2]);
conAdd(LERR, "%f %f %f", p2->pos[0], p2->pos[1], p2->pos[2]);
conAdd(LERR, "%f %f %f", diff[0], diff[1], diff[2]);
p1->pos[0] += frand(-10,10);
p1->pos[1] += frand(-10,10);
p1->pos[2] += frand(-10,10);
p2->pos[0] += frand(-10,10);
p2->pos[1] += frand(-10,10);
p2->pos[2] += frand(-10,10);
needrestart = 1;
}
}
}
if (needrestart) {
conAdd(LERR, "Loop");
goto restart;
}
}
#ifndef NO_GUI
setColours();
#endif
state.currentlySpawning = 0;
conAdd(LHELP, "You have spawned some particles. Hit F6 to start recording the simulation!");
state.mode = 0;
if (state.autoRecord) {
state.autoRecordNext = 1;
}
if (view.zoomFitAuto) {
cmdZoomFit(NULL);
}
view.frameSkipCounter = 0;
}
void cmdStart(char *arg) {
cmdSpawn(NULL);
}
void cmdRecord(char *arg) {
if (isSpawning())
return;
if (state.particleCount == 0) {
conAdd(LHELP, "You need to spawn some particles first! Press F8 to spawn some!");
return;
}
state.mode &= ~SM_PLAY;
if (state.mode & SM_RECORD) {
conAdd(LNORM, "Stopped Recording.");
conAdd(LHELP, "Press F5 to play your recording. Press F6 to continue recording.");
state.mode &= ~SM_RECORD;
setTitle(0);
} else {
conAdd(LNORM, "Recording...");
conAdd(LHELP, "Press F5 to play your recording. Press F6 to stop recording.");
state.mode |= SM_RECORD;
setTitle(STRING_RECORD);
}
}
void cmdPlay(char *arg) {
if (isSpawning())
return;
if (state.particleCount == 0) {
conAdd(LHELP, "You need to spawn some particles first! Press F8 to spawn some!");
return;
}
state.mode &= ~SM_RECORD;
if (state.mode & SM_PLAY) {
conAdd(LNORM, "Stopped Playback.");
conAdd(LHELP, "Press F5 to continue playback. Press F6 to continue recording.");
state.mode &= ~SM_PLAY;
setTitle(0);
} else {
conAdd(LNORM, "Playing...");
conAdd(LHELP, "Press F5 to stop playback. Press F6 to continue recording.");
state.mode |= SM_PLAY;
setTitle(STRING_PLAY);
}
}
#if 0
void cmdSaveFrame(char *arg) {
char *fileName, *s2, *s3, *s4;
int staf, endf, skif;
if (isSpawning())
return;
fileName = strtok(arg, " ");
s2 = strtok(NULL, " ");
s3 = strtok(NULL, " ");
s4 = strtok(NULL, " ");
if (!fileName || !s2 || !fileName[0] || !s2[0]) {
cmdSaveFrameUsage();
return;
}
if (!strcmp(s2, "all")) {
staf = 0;
endf = state.frame;
if (s3 && s3[0]) {
skif = atoi(s3);
} else {
skif = 0;
}
} else {
if (!s2 || !s3 || !s2[0] || !s3[0]) {
cmdSaveFrameUsage();
return;
}
staf = atoi(s2);
endf = atoi(s2);
if (s4 && s4[0]) {
skif = atoi(s4);
} else {
skif = 0;
}
}
conAdd(LERR, "saving frames %i to %i skipping %i to %s", staf, endf, skif, fileName);
}
#endif
void cmdSaveFrameDump(char *arg) {
saveInfo_t si;
char *fileName;
if (isSpawning())
return;
if (!arg) {
if (!state.fileName) {
conAdd(LERR, "Please specify a name (not extensions necessary).");
conAdd(LNORM, "usage: save [name]");
return;
}
arg = state.fileName;
}
if (!checkHomePath()) return;
if (!mymkdir(SAVE_PATH)) {
conAdd(LERR, "Could not create %s directory", SAVE_PATH);
return;
}
si.particleCount = state.particleCount;
si.historyFrames = state.historyFrames;
si.totalFrames = state.totalFrames;
si.frame = state.frame;
si.historyNFrame = state.historyNFrame;
conAdd(LNORM, "Saving %s...", arg);
conAdd(LNORM, "Please Wait...");
runVideo();
fileName = va("%s/%s.info", SAVE_PATH, arg);
if (!SaveMemoryDump(fileName, (unsigned char *)&si, sizeof(si))) {
conAdd(LERR, "Failed to create %s", fileName);
return;
}
fileName = va("%s/%s.particledetail", SAVE_PATH, arg);
if (!SaveMemoryDump(fileName, (unsigned char *)state.particleDetail, FRAMEDETAILSIZE)) {
conAdd(LERR, "Failed to create %s", fileName);
return;
}
fileName = va("%s/%s.particles", SAVE_PATH, arg);
if (!SaveMemoryDump(fileName, (unsigned char *)state.particleHistory, FRAMESIZE * (state.frame+1))) {
conAdd(LERR, "Failed to create %s", fileName);
return;
}
conAdd(LNORM, "Simulation saved sucesfully!");
setFileName(arg);
}
void cmdLoadFrameDump(char *arg) {
saveInfo_t si;
char *fileName;
if (isSpawning())
return;
if (!arg) {
if (!state.fileName) {
conAdd(LERR, "Please specify a name (not extensions necessary).");
return;
}
arg = state.fileName;
}
if (!checkHomePath()) return;
fileName = va("%s/%s.info", SAVE_PATH, arg);
if (!LoadMemoryDump(fileName, (unsigned char *)&si, sizeof(si))) {
conAdd(LERR, "Failed to load %s", fileName);
return;
}
// for mallocing in initFrame
state.historyFrames = si.historyFrames;
state.particleCount = si.particleCount;
conAdd(LNORM, "Loading %s...", arg);
conAdd(LLOW, "Particles: %i", state.particleCount);
conAdd(LLOW, "Frames: %i", state.historyFrames);
if (!initFrame()) {
conAdd(LERR, "Could not init frame");
return;
}
state.totalFrames = si.totalFrames;
state.frame = si.frame;
state.historyNFrame = si.historyNFrame;
conAdd(LNORM, "Please Wait...");
runVideo();
fileName = va("%s/%s.particledetail", SAVE_PATH, arg);
if (!LoadMemoryDump(fileName, (unsigned char *)state.particleDetail, FRAMEDETAILSIZE)) {
conAdd(LERR, "Failed to load %s", fileName);
return;
}
fileName = va("%s/%s.particles", SAVE_PATH, arg);
if (!LoadMemoryDump(fileName, (unsigned char *)state.particleHistory, FRAMESIZE * (state.frame+1))) {
conAdd(LERR, "Failed to load %s", fileName);
return;
}
state.currentFrame = 0;
state.mode = 0;
conAdd(LNORM, "Simulation loaded sucesfully!");
setFileName(arg);
}
void cmdFps(char *arg) {
// temporary removed fps
// view.ft = (int)((float)1000 / view.fps);
}
void cmdFrameSkip(char *arg) {
if (arg) {
view.frameSkip = atoi(arg);
view.frameSkipCounter = 0;
}
conAdd(LNORM, "frameSkip = %i", view.frameSkip);
}
void cmdStatus(char *arg) {
if (state.mode & SM_RECORD)
conAdd(LLOW, "RECORDING");
else
conAdd(LLOW, "NOT RECORDING");
#define DUH(s, v) conAdd(LLOW, "%s\t%s", s, v);
DUH("actual frames ", va("%i", state.totalFrames));
DUH("compression skip ", va("%i", state.historyNFrame));
DUH("display frame ", va("%i", state.currentFrame));
DUH("record frame ", va("%i", state.frame));
DUH("max frames ", va("%i", state.historyFrames));
DUH("particles ", va("%i", state.particleCount));
DUH("frametime ", va("%ims", view.deltaVideoFrame));
DUH("fps ", va("%3.2f", (float)1000 / view.deltaVideoFrame));
DUH("particle vertices", va("%i", view.vertices));
DUH("memory allocated ", va("%.1fmb", (float)state.memoryAllocated / 1024 / 1024));
#undef DUH
}
#ifndef NO_GUI
void cmdFontFile(char *arg) {
char *sz;
sz = strtok(arg, " ");
if (!sz)
return;
strncpy(video.fontFile, arg, MAX_FONT_LENGTH);
}
#endif
void cmdRunScript(char *arg) {
char *sz;
char *opt;
sz = strtok(arg, " ");
if (!sz) return;
opt = strtok(NULL, " ");
configRead(findFile(sz), (opt && !strcmp(opt, "ignoremissing")));
}
void cmdTailSkipCheck(char *arg) {
if (view.tailSkip <= 0) {
conAdd(LNORM, "tailskip %i is not valid. tailskip is now 1.", view.tailSkip);
view.tailSkip = 1;
}
}
void cmdScreenshot(char *arg) {
#ifndef NO_GUI
SDL_Surface *sdlSurfUpsideDown;
SDL_Surface *sdlSurfNormal;
int i;
char *fileName;
if (!checkHomePath())
return;
sdlSurfUpsideDown = SDL_CreateRGBSurface(SDL_SWSURFACE, video.screenW, video.screenH, 24, 0x000000FF, 0x0000FF00, 0x00FF0000, 0);
sdlSurfNormal = SDL_CreateRGBSurface(SDL_SWSURFACE, video.screenW, video.screenH, 24, 0x000000FF, 0x0000FF00, 0x00FF0000, 0);
SDL_LockSurface(sdlSurfUpsideDown);
glReadPixels(0,0,video.screenW, video.screenH, GL_RGB,GL_UNSIGNED_BYTE, sdlSurfUpsideDown->pixels);
SDL_UnlockSurface(sdlSurfUpsideDown);
SDL_LockSurface(sdlSurfUpsideDown);
SDL_LockSurface(sdlSurfNormal);
for (i = 0; i < video.screenH; i++) {
memcpy(
(unsigned char *)sdlSurfNormal->pixels + (video.screenH - i - 1) * sdlSurfNormal->pitch,
(unsigned char *)sdlSurfUpsideDown->pixels + i * sdlSurfUpsideDown->pitch,
3 * video.screenW
);
}
SDL_UnlockSurface(sdlSurfUpsideDown);
SDL_UnlockSurface(sdlSurfNormal);
if (!mymkdir(SCREENSHOT_PATH)) {
conAdd(LERR, "Could not create screenshot directory");
return;
}
// find next free screenshot file name
while (1) {
FILE *fp;
fileName = va("%s/gravit%05u.bmp", SCREENSHOT_PATH, view.screenshotIndex++);
fp = fopen(fileName, "rb");
if (!fp)
break;
fclose(fp);
}
SDL_SaveBMP(sdlSurfNormal, fileName);
SDL_FreeSurface(sdlSurfUpsideDown);
SDL_FreeSurface(sdlSurfNormal);
#endif
}
void cmdColourSchemeNew(char *arg) {
#ifndef NO_GUI
colourSpectrumClear();
conAdd(LLOW, "Colour scheme reset");
#endif
}
void cmdColourSchemeAdd(char *arg) {
#ifndef NO_GUI
float c[4];
char *r,*g,*b,*a;
r = strtok(arg, " \t");
if (!r) return;
c[0] = atof(r);
g = strtok(NULL, " \t");
if (!g) return;
c[1] = atof(g);
b = strtok(NULL, " \t");
if (!b) return;
c[2] = atof(b);
a = strtok(NULL, " \t");
if (!a) c[3] = 1; else c[3] = atof(a);
if (!view.colourSpectrum) {
colourSpectrumClear();
}
view.colourSpectrumSteps++;
view.colourSpectrum = (float *)realloc(view.colourSpectrum, view.colourSpectrumSteps*sizeof(float)*4);
memcpy(&view.colourSpectrum[(view.colourSpectrumSteps-1)*4], &c, sizeof(float)*4);
conAdd(LLOW, "Added colour (%.2f %.2f %.2f %.2f) to colour scheme", c[0], c[1], c[2], c[3]);
#endif
}
void cmdSetG(char *arg) {
float newg;
newg = -pow(10, -state.gbase);
conAdd(LLOW, "\"G\" set to %.20f", newg);
state.g = newg;
}
void cmdAutoRotate(char *arg) {
char *t;
VectorNew(v);
t = strtok(arg, " ");
if (!t) goto cmdAutoRotateUsage;
v[0] = atof(t);
t = strtok(NULL, " ");
if (!t) goto cmdAutoRotateUsage;
v[1] = atof(t);
t = strtok(NULL, " ");
if (!t) goto cmdAutoRotateUsage;
v[2] = atof(t);