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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"
#ifndef NO_GUI
int hasCtrlOrCmdModifier() {
return (SDL_GetModState() & KMOD_LALT || SDL_GetModState() & KMOD_RALT || SDL_GetModState() & KMOD_LMETA || SDL_GetModState() & KMOD_RMETA);
}
int processKeys() {
SDL_Event event;
while ( SDL_PollEvent( &event ) ) {
if (event.type == SDL_QUIT) {
cmdQuit(NULL);
return 1;
}
#ifndef WITHOUT_AGAR
{
AG_DriverEvent ev;
int x;
int y;
AG_SDL_TranslateEvent(agDriverSw, &event, &ev);
if (ev.type == AG_DRIVER_MOUSE_BUTTON_DOWN) {
x = ev.data.button.x;
y = ev.data.button.y;
if (AG_WindowFocusAtPos(agDriverSw, x, y)) {
AG_ProcessEvent(0, &ev);
return 0;
}
} else {
// if console is open, do not forward keyboard events to agar
if ( ! (view.consoleMode && ((event.type == SDL_KEYUP)||(event.type == SDL_KEYDOWN))) )
AG_ProcessEvent(0, &ev);
}
}
#endif
if (event.type == SDL_MOUSEBUTTONDOWN) {
view.dirty = 1;
if (view.screenSaver) {
cmdQuit(0);
return 1;
}
if (event.button.button == SDL_BUTTON_WHEELDOWN)
view.zoomTarget *= (1 + (view.deltaVideoFrame * 0.01f));
if (event.button.button == SDL_BUTTON_WHEELUP)
view.zoomTarget *= (1 + (view.deltaVideoFrame * -0.01f));
#ifndef WITHOUT_AGAR
// code introduced together with agar
if (event.button.button == SDL_BUTTON_LEFT) {
view.mouseButtons[0] = SDL_BUTTON(1);
}
if (event.button.button == SDL_BUTTON_RIGHT) {
view.mouseButtons[0] = SDL_BUTTON(3);
}
}
if (event.type == SDL_MOUSEBUTTONUP) {
view.dirty = 1;
if (event.button.button == SDL_BUTTON_LEFT) {
view.mouseButtons[0] = 0;
}
if (event.button.button == SDL_BUTTON_RIGHT) {
view.mouseButtons[0] = 0;
}
#endif
}
if (event.type == SDL_KEYUP) {
view.keys[event.key.keysym.sym] = 0;
if (view.screenSaver) {
cmdQuit(0);
return 1;
}
}
if (event.type == SDL_KEYDOWN) {
view.keys[event.key.keysym.sym] = 1;
if (view.consoleMode) {
conInput(event.key.keysym.sym, event.key.keysym.mod, event.key.keysym.unicode);
return 0;
}
switch (event.key.keysym.sym) {
case SDLK_ESCAPE:
if (view.consoleMode) {
view.consoleMode = 0;
break;
} else if (view.textMode == TM_HELP1 || view.textMode == TM_HELP2) {
view.textMode = TM_STANDARD;
break;
}
cmdQuit(NULL);
return 1;
break;
case SDLK_RETURN:
if (hasCtrlOrCmdModifier()) {
video.screenFS = !video.screenFS;
cmdVideoRestart(0);
}
break;
case SDLK_F1:
if (view.textMode == TM_HELP1)
view.textMode = TM_STANDARD;
else
view.textMode = TM_HELP1;
break;
case SDLK_F2:
if (view.textMode == TM_HELP2)
view.textMode = TM_STANDARD;
else
view.textMode = TM_HELP2;
break;
case SDLK_F5:
cmdPlay(NULL);
break;
case SDLK_F6:
cmdRecord(NULL);
break;
case SDLK_F7:
cmdStop(NULL);
break;
case SDLK_SPACE:
case SDLK_F8:
cmdStart(NULL);
cmdRecord(NULL);
break;
case SDLK_F9:
cmdScreenshot(NULL);
break;
case SDLK_F10:
if (view.screenshotLoop) {
view.screenshotLoop = 0;
conAdd(LNORM, "Stopped taking many screenshots! Check your screenshots directory.");
} else {
view.screenshotLoop = 1;
conAdd(LNORM, "Taking a screenshot every frame. Careful how long you run this!");
}
break;
case SDLK_s:
// save (control-s)
if (hasCtrlOrCmdModifier())
cmdSaveFrameDump(NULL);
// toggle stereo mode
// mode 1 : side-by-side
// mode 2 : anaglyph, offaxis frustum
else {
if (view.stereoMode > 1)
view.stereoMode = 0;
else {
view.stereoMode ++;
cmdStereoWarning(0);
}
if (view.stereoMode ==2 ) {
conAdd(LNORM, "stereoMode set to %i (red-cyan 3D glasses)", view.stereoMode);
} else {
if (view.stereoMode ==1)
conAdd(LNORM, "stereoMode set to %i (freeview 3D)", view.stereoMode);
else
conAdd(LNORM, "stereoMode set to %i", view.stereoMode);
}
setColours();
}
break;
case SDLK_BACKQUOTE:
view.consoleMode = (!view.consoleMode)?1:0;
break;
case SDLK_CARET:
case SDLK_1:
view.consoleMode = 1;
break;
case SDLK_t:
if (++view.drawTree == 3)
view.drawTree = 0;
conAdd(LNORM, "drawTree set to %i", view.drawTree);
break;
case SDLK_SLASH:
view.particleColourMode ++;
if (view.particleColourMode == CM_LAST)
view.particleColourMode = 0;
conAdd(LNORM, "Colour mode set to: %s" , colourModes[view.particleColourMode]);
setColours();
break;
case SDLK_l:
view.blendMode ++;
if (view.blendMode == 5)
view.blendMode = 0;
conAdd(LNORM, "Blend mode set to: %i", view.blendMode);
break;
case SDLK_BACKSLASH:
view.particleRenderMode++;
if (view.particleRenderMode == 3)
view.particleRenderMode = 0;
conAdd(LNORM, "particleRenderMode set to %i" , view.particleRenderMode);
setColours();
break;
case SDLK_MINUS:
view.particleSizeMin /= 2;
if (view.particleSizeMin < 1)
view.particleSizeMin = 1;
conAdd(LLOW, "particlesizemin set to %.1f ", view.particleSizeMin);
break;
case SDLK_EQUALS:
if (view.particleSizeMin < 1)
view.particleSizeMin = 1;
else
view.particleSizeMin *= 2;
conAdd(LLOW, "particlesizemin set to %.1f ", view.particleSizeMin);
if (view.particleSizeMin > view.particleSizeMax)
conAdd(LNORM, "Careful! particlesizemin is bigger then particlesizemax!");
break;
case SDLK_LEFTBRACKET:
view.particleSizeMax /= 2;
if (view.particleSizeMax < 1)
view.particleSizeMax = 1;
conAdd(LLOW, "particlesizemax set to %.1f ", view.particleSizeMax);
if (view.particleSizeMin > view.particleSizeMax)
conAdd(LNORM, "Careful! particlesizemin is bigger then particlesizemax!");
break;
case SDLK_RIGHTBRACKET:
if (view.particleSizeMax < 1)
view.particleSizeMax = 1;
else
view.particleSizeMax *= 2;
conAdd(LLOW, "particlesizemax set to %.1f ", view.particleSizeMax);
break;
case SDLK_m:
if (view.tailLength == -1) {
view.tailLength = 0;
conAdd(LLOW, "tailLength set to 0");
} else {
view.tailLength = -1;
conAdd(LLOW, "tailLength set to infinite!");
}
break;
case SDLK_n:
if (view.tailLength <= 0)
view.tailLength = 1;
else
view.tailLength *= 2;
conAdd(LLOW, "tailLength set to %i", view.tailLength);
break;
case SDLK_b:
if (view.tailLength < 0)
view.tailLength = 0;
if (view.tailLength == 1)
view.tailLength = 0;
else
view.tailLength /= 2;
conAdd(LLOW, "tailLength set to %i", view.tailLength);
break;
case SDLK_v:
view.tailOpacity += 0.1f;
if (view.tailOpacity > 1)
view.tailOpacity = 1;
conAdd(LLOW, "tailOpacity set to %.1f", view.tailOpacity);
break;
case SDLK_c:
view.tailOpacity -= 0.1f;
if (view.tailOpacity < 0)
view.tailOpacity = 0;
conAdd(LLOW, "tailOpacity set to %.1f", view.tailOpacity);
break;
case SDLK_x:
view.tailFaded = (!view.tailFaded)?1:0;
conAdd(LLOW, "tailFaded set to %i", view.tailFaded);
break;
case SDLK_COMMA:
view.tailSkip /= 2;
if (view.tailSkip < 1)
view.tailSkip = 1;
conAdd(LLOW, "tailSkip set to %i", view.tailSkip);
break;
case SDLK_PERIOD:
view.tailSkip *= 2;
conAdd(LLOW, "tailSkip set to %i", view.tailSkip);
break;
case SDLK_QUOTE:
view.tailWidth += 1;
if (view.tailWidth > 10)
view.tailWidth = 10;
conAdd(LLOW, "tailWidth set to %.0f", view.tailWidth);
break;
case SDLK_SEMICOLON:
view.tailWidth -= 1;
if (view.tailWidth < 1)
view.tailWidth = 1;
conAdd(LLOW, "tailWidth set to %.0f", view.tailWidth);
break;
case SDLK_o:
view.drawOSD++;
if (view.drawOSD == 3) view.drawOSD = 4;
if (view.drawOSD > 4) view.drawOSD=0;
view.drawColourScheme = (view.drawOSD == 1) ? 1 : 0;
conAdd(LLOW, "drawOSD set to %i", view.drawOSD);
break;
case SDLK_p:
view.drawSky ++;
if(view.drawSky > SKYBOX_LAST) view.drawSky = 0;
conAdd(LLOW, "drawSky set to %i", view.drawSky);
break;
case SDLK_g:
view.glow ++;
if(view.glow > 8)
{
view.glow = 0;
conAdd(LLOW, "Star glow disabled");
} else {
conAdd(LLOW, "Star glow set to %i", view.glow);
}
setColours();
break;
case SDLK_q:
if (hasCtrlOrCmdModifier()) {
cmdQuit(NULL); // OS X cmd-q
return 1;
}
view.frameSkip--;
view.frameSkipCounter = 0;
conAdd(LLOW, "frameSkip set to %i", view.frameSkip);
break;
case SDLK_w:
view.frameSkip++;
view.frameSkipCounter = 0;
conAdd(LLOW, "frameSkip set to %i", view.frameSkip);
break;
case SDLK_d:
view.stereoSeparation--;
conAdd(LLOW, "stereoSeparation set to %.1f", view.stereoSeparation);
break;
case SDLK_f:
view.stereoSeparation++;
conAdd(LLOW, "stereoSeparation set to %.1f", view.stereoSeparation);
break;
default:
break;
}
}
}
if (!view.consoleMode) {
if (view.keys[SDLK_a]) {
view.zoom /= (1 + (view.deltaVideoFrame * 0.005f));
view.zoomTarget = view.zoom;
view.zoomSpeed = 0;
view.dirty = 1;
}
if (view.keys[SDLK_z]) {
view.zoom *= (1 + (view.deltaVideoFrame * 0.005f));
view.zoomTarget = view.zoom;
view.zoomSpeed = 0;
view.dirty = 1;
}
/*
if (view.keys[SDLK_UP])
view.face[0] -= state.dt * 0.1f;
if (view.keys[SDLK_DOWN])
view.face[0] += state.dt * 0.1f;
if (view.keys[SDLK_LEFT])
view.face[1] -= state.dt * 0.1f;
if (view.keys[SDLK_RIGHT])
view.face[1] += state.dt * 0.1f;
*/
}
return 0;
}
void processMouse() {
int x,y;
#ifdef WITHOUT_AGAR
// old code
view.mouseButtons[1] = view.mouseButtons[0];
memcpy(view.lastMousePosition, view.currentMousePosition, sizeof(view.currentMousePosition));
view.mouseButtons[0] = SDL_GetMouseState(&view.currentMousePosition[0], &view.currentMousePosition[1]);
#else
// newer code introduced together with agar
memcpy(view.lastMousePosition, view.currentMousePosition, sizeof(view.currentMousePosition));
SDL_GetMouseState(&view.currentMousePosition[0], &view.currentMousePosition[1]);
#endif
x = view.currentMousePosition[0] - view.lastMousePosition[0];
y = view.currentMousePosition[1] - view.lastMousePosition[1];
// if it's a screensaver, and the mouse has moved, and the simulation has been running for a bit...
if (view.screenSaver && (x || y) && (getMS() - view.firstTimeStamp > 1000)) {
cmdQuit(0);
return;
}
if ((view.mouseButtons[0] & SDL_BUTTON(1)) || (view.mouseButtons[0] & SDL_BUTTON(3))) {
// Unfortunately, on OS X WarpMouse seems to act like the mouse isn't pressed anymore.
#ifndef __MACH__
Uint16 wx,wy;
wx = video.screenW / 2;
wy = video.screenH / 2;
SDL_WarpMouse(wx,wy);
view.currentMousePosition[0] = wx;
view.currentMousePosition[1] = wy;
#endif
// turn off cursor only after the 2nd warp mouse, otherwise showcursor does strange things.
if ((view.mouseButtons[1] & SDL_BUTTON(1)) || (view.mouseButtons[1] & SDL_BUTTON(3))) {
SDL_ShowCursor(0);
}
if (view.mouseButtons[0] & SDL_BUTTON(1)) {
// left mousebutton --> rotate around x / y axis
view.rotTarget[1] += 0.5 * x;
view.rotTarget[0] += 0.5 * y;
} else {
// right mousebutton --> rotate around y / z axis
view.rotTarget[1] += 0.5 * x;
view.rotTarget[2] -= 0.5 * y;
}
view.dirty = 1;
if (view.drawAxis==1) view.drawAxis=3;
} else {
SDL_ShowCursor(view.showCursor);
}
#ifndef WITHOUT_AGAR
// code introduced together with agar
view.mouseButtons[1] = view.mouseButtons[0];
#endif
}
#else
int processKeys() {
int key;
#ifdef WIN32
while (_kbhit()) {
key = _getche();
conInput(key);
if (key == 13 || key == 10) {
break;
}
}
#else
char numbytes;
fd_set rfds;
struct timeval tv;
int retval;
FD_ZERO(&rfds);
FD_SET(0, &rfds);
tv.tv_sec = 0;
tv.tv_usec = 1;
while ((retval = select(1, &rfds, NULL, NULL, &tv))) {
if (retval) {
numbytes = read(0,&key, 1); // = getchar();
if (numbytes)
conInput(key);
}
}
#endif
return 0;
}
#endif
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