static void
DetatchComplete(void *data)
{
log_info("detatch complete");
sim_spacecraft_t *sc = (sim_spacecraft_t*)data;
sc->detatchPossible = false; // Do not reenable, must be false after last stage detatched
sc->detatchComplete = true;
sim_stage_t *stage = sc->stages.elems[MERC_CAPSULE];
sim_engine_disable(ARRAY_ELEM(stage->engines, THR_POSI));
sim_stage_arm_engines(stage);
sim_engine_disarm(ARRAY_ELEM(stage->engines, THR_POSI));
}
void
sim_init(void)
{
pl_init();
sim_spacecraft_control_init();
// Set log level, need to do that here
const char *levStr = NULL;
config_get_str_def("openorbit/sys/log-level", &levStr, "info");
log_set_level(log_get_lev_from_str(levStr));
// Load and run initialisation script
scripting_init();
if (!scripting_run_file("script/init.py")) {
log_fatal("script/init.py missing");
}
sim_init_graphics();
float freq;
config_get_float_def("openorbit/sim/freq", &freq, 20.0); // Read in Hz
gSIM_state.stepSize = 1.0 / freq; // Period in s
// Setup IO-tables, must be done after joystick system has been initialised
io_init();
gSIM_state.world = sim_load_world(sim_get_scene(), "data/solsystem.hrml");
pl_time_set(sim_time_get_jd());
sim_spacecraft_t *sc = sim_new_spacecraft("Mercury", "Mercury I");
sim_spacecraft_set_sys_and_coords(sc, "Earth",
0.0 /*longitude*/,
0.0 /*latitude*/,
250.0e3 /*altitude*/);
sim_set_spacecraft(sc);
sg_camera_t *cam = sg_scene_get_cam(sc->scene);
sim_stage_t *stage = ARRAY_ELEM(sc->stages, 1);
sg_camera_track_object(cam, stage->sgobj);
sg_camera_follow_object(cam, stage->sgobj);
sg_camera_set_follow_offset(cam, vd3_set(0.0, 0.0, -150.0e9));
simMfdInitAll(sim_get_main_viewport());
sim_init_plugins();
if (!scripting_run_file("script/postinit.py")) {
log_fatal("script/postinit.py missing");
}
sim_setup_menus(&gSIM_state);
}
static void
MainEngineToggle(sim_spacecraft_t *sc)
{
switch (sc->detatchSequence) {
case MERC_REDSTONE: {
sim_stage_t *redstone = sc->stages.elems[MERC_REDSTONE];
sim_engine_t *eng = ARRAY_ELEM(redstone->engines, THR_ROCKETDYNE);
if (eng->state == SIM_ARMED) sim_engine_fire(eng);
else if (eng->state == SIM_BURNING) sim_engine_disable(eng);
break;
}
case MERC_CAPSULE: {
sim_stage_t *capsule = sc->stages.elems[MERC_CAPSULE];
sim_engine_t *eng = ARRAY_ELEM(capsule->engines, THR_RETRO_0);
(void)eng;
break;
}
default:
assert(0 && "invalid case");
}
}
static void
DetatchStage(sim_spacecraft_t *sc)
{
log_info("detatch commanded");
sc->detatchPossible = false;
if (sc->detatchSequence == MERC_REDSTONE) {
log_info("detatching redstone");
sim_stage_t *redstone = sc->stages.elems[MERC_REDSTONE];
sim_stage_t *capsule = sc->stages.elems[MERC_CAPSULE];
sim_stage_disable_engines(redstone);
sim_stage_lock_engines(redstone);
sim_spaccraft_detatch_stage(sc, redstone);
sim_engine_arm(ARRAY_ELEM(capsule->engines, THR_POSI));
sim_engine_fire(ARRAY_ELEM(capsule->engines, THR_POSI));
sc->detatchComplete = false;
sim_event_enqueue_relative_s(1.0, DetatchComplete, sc);
}
}
void
sgDrawOverlays(SGscenegraph *sg)
{
SG_CHECK_ERROR;
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0.0, sgRenderInfo.w, 0.0, sgRenderInfo.h, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glPushAttrib(GL_ENABLE_BIT);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glDisable(GL_CULL_FACE);
for (size_t i = 0 ; i < sg->overlays.length ; i ++) {
SGoverlay *overlay = ARRAY_ELEM(sg->overlays, i);
if (overlay->enabled) {
glUseProgram(0); // No shader for now
// Bind the fbo texture so that the mfd rendering ends up in the texture
glBindFramebuffer(GL_FRAMEBUFFER, overlay->fbo);
glPushAttrib(GL_VIEWPORT_BIT);
glViewport(0,0, overlay->w, overlay->h);
ooLogTrace("draw overlay %d", i);
// Here we draw the overlay into a texture
overlay->draw(overlay);
glPopAttrib();
// Re-attach the real framebuffer as rendering target, and draw the
// texture using a quad.
glUseProgram(sg->overlay_shader);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
SG_CHECK_ERROR;
// Set shader arguments
GLfloat modelview[16], projection[16];
glGetFloatv(GL_MODELVIEW_MATRIX , modelview);
glGetFloatv(GL_PROJECTION_MATRIX , projection);
glUniformMatrix4fv(sg->modelview_id, 1, GL_FALSE, modelview);
glUniformMatrix4fv(sg->projection_id, 1, GL_FALSE, projection);
glEnable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, overlay->tex);
glUniform1i(sg->tex_id, 0);
GLint shaderIsValid;
glValidateProgram(sg->overlay_shader);
glGetProgramiv(sg->overlay_shader, GL_VALIDATE_STATUS, &shaderIsValid);
assert(shaderIsValid);
SG_CHECK_ERROR;
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBegin(GL_QUADS);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glTexCoord2f(0.0f, 0.0f);
glVertex3f (overlay->x, overlay->y, 0.0);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(overlay->x, overlay->y + overlay->h, 0.0);
glTexCoord2f(1.0, 1.0);
glVertex3f(overlay->x + overlay->w, overlay->y + overlay->h, 0.0);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(overlay->x + overlay->w, overlay->y, 0.0);
glEnd();
SG_CHECK_ERROR;
glUseProgram(0);
}
}
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glPopAttrib();
SG_CHECK_ERROR;
}
static void
AxisUpdate(sim_spacecraft_t *sc)
{
// TODO: Replace IO-system queries with sim variable lookups.
// This is important in order to allow for multiplexed axis commands,
// in turn enabling autopilots and network control.
sim_axises_t axises;
sim_get_axises(&axises);
switch (sc->detatchSequence) {
case MERC_REDSTONE: {
sim_stage_t *redstone = sc->stages.elems[MERC_REDSTONE];
sim_engine_t *eng = ARRAY_ELEM(redstone->engines, THR_ROCKETDYNE);
sim_engine_set_throttle(eng, SIM_VAL(axises.orbital));
break;
}
case MERC_CAPSULE: {
if (!sc->detatchComplete) break;
sim_stage_t *capsule = sc->stages.elems[MERC_CAPSULE];
sim_engine_set_throttle(ARRAY_ELEM(capsule->engines, THR_ROLL_0),
SIM_VAL(axises.roll));
sim_engine_fire(ARRAY_ELEM(capsule->engines, THR_ROLL_0));
sim_engine_set_throttle(ARRAY_ELEM(capsule->engines, THR_ROLL_1),
-SIM_VAL(axises.roll));
sim_engine_fire(ARRAY_ELEM(capsule->engines, THR_ROLL_1));
sim_engine_set_throttle(ARRAY_ELEM(capsule->engines, THR_PITCH_0),
SIM_VAL(axises.pitch));
sim_engine_fire(ARRAY_ELEM(capsule->engines, THR_PITCH_0));
sim_engine_set_throttle(ARRAY_ELEM(capsule->engines, THR_PITCH_1),
-SIM_VAL(axises.pitch));
sim_engine_fire(ARRAY_ELEM(capsule->engines, THR_PITCH_1));
sim_engine_set_throttle(ARRAY_ELEM(capsule->engines, THR_YAW_0),
SIM_VAL(axises.yaw));
sim_engine_fire(ARRAY_ELEM(capsule->engines, THR_YAW_0));
sim_engine_set_throttle(ARRAY_ELEM(capsule->engines, THR_YAW_1),
-SIM_VAL(axises.yaw));
sim_engine_fire(ARRAY_ELEM(capsule->engines, THR_YAW_1));
break;
}
default:
assert(0 && "invalid case");
}
}