b1c964030d
PistonEngine class has grown an "Engine" superclass. Some other stuff moved around too, and I cleaned up some property naming while I was in there. This hasn't been tested very thorougly, hopefully I didn't break anything.
242 lines
6.5 KiB
C++
242 lines
6.5 KiB
C++
#include "Jet.hpp"
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#include "Thruster.hpp"
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#include "PropEngine.hpp"
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#include "PistonEngine.hpp"
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#include "Gear.hpp"
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#include "Wing.hpp"
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#include "Rotor.hpp"
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#include "Math.hpp"
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#include "Propeller.hpp"
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#include "ControlMap.hpp"
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namespace yasim {
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ControlMap::~ControlMap()
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{
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int i;
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for(i=0; i<_inputs.size(); i++) {
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Vector* v = (Vector*)_inputs.get(i);
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int j;
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for(j=0; j<v->size(); j++)
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delete (MapRec*)v->get(j);
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delete v;
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}
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for(i=0; i<_outputs.size(); i++)
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delete (OutRec*)_outputs.get(i);
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}
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int ControlMap::newInput()
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{
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Vector* v = new Vector();
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return _inputs.add(v);
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}
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void ControlMap::addMapping(int input, int type, void* object, int options,
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float src0, float src1, float dst0, float dst1)
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{
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addMapping(input, type, object, options);
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// The one we just added is last in the list (ugly, awful hack!)
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Vector* maps = (Vector*)_inputs.get(input);
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MapRec* m = (MapRec*)maps->get(maps->size() - 1);
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m->src0 = src0;
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m->src1 = src1;
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m->dst0 = dst0;
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m->dst1 = dst1;
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}
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void ControlMap::addMapping(int input, int type, void* object, int options)
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{
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// See if the output object already exists
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OutRec* out = 0;
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int i;
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for(i=0; i<_outputs.size(); i++) {
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OutRec* o = (OutRec*)_outputs.get(i);
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if(o->object == object && o->type == type) {
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out = o;
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break;
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}
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}
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// Create one if it doesn't
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if(out == 0) {
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out = new OutRec();
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out->type = type;
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out->object = object;
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out->oldL = out->oldR = out->time = 0;
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_outputs.add(out);
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}
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// Make a new input record
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MapRec* map = new MapRec();
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map->out = out;
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map->opt = options;
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map->idx = out->maps.add(map);
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// The default ranges differ depending on type!
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map->src1 = map->dst1 = rangeMax(type);
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map->src0 = map->dst0 = rangeMin(type);
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// And add it to the approproate vectors.
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Vector* maps = (Vector*)_inputs.get(input);
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maps->add(map);
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}
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void ControlMap::reset()
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{
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// Set all the values to zero
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for(int i=0; i<_outputs.size(); i++) {
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OutRec* o = (OutRec*)_outputs.get(i);
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for(int j=0; j<o->maps.size(); j++)
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((MapRec*)(o->maps.get(j)))->val = 0;
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}
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}
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void ControlMap::setInput(int input, float val)
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{
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Vector* maps = (Vector*)_inputs.get(input);
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for(int i=0; i<maps->size(); i++) {
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MapRec* m = (MapRec*)maps->get(i);
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float val2 = val;
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// Do the scaling operation. Clamp to [src0:src1], rescale to
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// [0:1] within that range, then map to [dst0:dst1].
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if(val2 < m->src0) val2 = m->src0;
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if(val2 > m->src1) val2 = m->src1;
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val2 = (val2 - m->src0) / (m->src1 - m->src0);
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val2 = m->dst0 + val2 * (m->dst1 - m->dst0);
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m->val = val2;
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}
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}
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int ControlMap::getOutputHandle(void* obj, int type)
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{
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for(int i=0; i<_outputs.size(); i++) {
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OutRec* o = (OutRec*)_outputs.get(i);
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if(o->object == obj && o->type == type)
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return i;
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}
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return 0;
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}
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void ControlMap::setTransitionTime(int handle, float time)
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{
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((OutRec*)_outputs.get(handle))->time = time;
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}
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float ControlMap::getOutput(int handle)
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{
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return ((OutRec*)_outputs.get(handle))->oldL;
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}
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float ControlMap::getOutputR(int handle)
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{
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return ((OutRec*)_outputs.get(handle))->oldR;
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}
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void ControlMap::applyControls(float dt)
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{
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int outrec;
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for(outrec=0; outrec<_outputs.size(); outrec++) {
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OutRec* o = (OutRec*)_outputs.get(outrec);
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// Generate a summed value. Note the check for "split"
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// control axes like ailerons.
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float lval = 0, rval = 0;
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int i;
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for(i=0; i<o->maps.size(); i++) {
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MapRec* m = (MapRec*)o->maps.get(i);
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float val = m->val;
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if(m->opt & OPT_SQUARE)
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val = val * Math::abs(val);
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if(m->opt & OPT_INVERT)
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val = -val;
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lval += val;
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if(m->opt & OPT_SPLIT)
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rval -= val;
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else
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rval += val;
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}
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// If there is a finite transition time, clamp the values to
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// the maximum travel allowed in this dt.
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if(o->time > 0) {
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float dl = lval - o->oldL;
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float dr = rval - o->oldR;
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float adl = Math::abs(dl);
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float adr = Math::abs(dr);
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float max = (dt/o->time) * (rangeMax(o->type) - rangeMin(o->type));
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if(adl > max) dl = dl*max/adl;
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if(adr > max) dr = dr*max/adr;
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lval = o->oldL + dl;
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rval = o->oldR + dr;
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}
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o->oldL = lval;
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o->oldR = rval;
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void* obj = o->object;
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switch(o->type) {
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case THROTTLE: ((Thruster*)obj)->setThrottle(lval); break;
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case MIXTURE: ((Thruster*)obj)->setMixture(lval); break;
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case STARTER: ((Thruster*)obj)->setStarter(lval != 0.0); break;
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case MAGNETOS: ((PropEngine*)obj)->setMagnetos((int)lval); break;
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case ADVANCE: ((PropEngine*)obj)->setAdvance(lval); break;
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case PROPPITCH: ((PropEngine*)obj)->setPropPitch(lval); break;
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case REHEAT: ((Jet*)obj)->setReheat(lval); break;
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case VECTOR: ((Jet*)obj)->setRotation(lval); break;
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case BRAKE: ((Gear*)obj)->setBrake(lval); break;
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case STEER: ((Gear*)obj)->setRotation(lval); break;
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case EXTEND: ((Gear*)obj)->setExtension(lval); break;
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case CASTERING:((Gear*)obj)->setCastering(lval != 0); break;
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case SLAT: ((Wing*)obj)->setSlat(lval); break;
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case FLAP0: ((Wing*)obj)->setFlap0(lval, rval); break;
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case FLAP1: ((Wing*)obj)->setFlap1(lval, rval); break;
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case SPOILER: ((Wing*)obj)->setSpoiler(lval, rval); break;
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case COLLECTIVE: ((Rotor*)obj)->setCollective(lval); break;
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case CYCLICAIL: ((Rotor*)obj)->setCyclicail(lval,rval); break;
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case CYCLICELE: ((Rotor*)obj)->setCyclicele(lval,rval); break;
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case ROTORENGINEON: ((Rotor*)obj)->setEngineOn((int)lval); break;
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case REVERSE_THRUST: ((Jet*)obj)->setReverse(lval != 0); break;
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case BOOST:
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((PistonEngine*)((Thruster*)obj)->getEngine())->setBoost(lval);
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break;
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}
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}
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}
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float ControlMap::rangeMin(int type)
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{
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// The minimum of the range for each type of control
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switch(type) {
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case FLAP0: return -1; // [-1:1]
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case FLAP1: return -1;
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case STEER: return -1;
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case CYCLICELE: return -1;
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case CYCLICAIL: return -1;
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case COLLECTIVE: return -1;
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case MAGNETOS: return 0; // [0:3]
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default: return 0; // [0:1]
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}
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}
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float ControlMap::rangeMax(int type)
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{
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// The maximum of the range for each type of control
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switch(type) {
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case FLAP0: return 1; // [-1:1]
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case FLAP1: return 1;
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case STEER: return 1;
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case MAGNETOS: return 3; // [0:3]
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default: return 1; // [0:1]
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}
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}
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} // namespace yasim
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