Changeset 1017 for cpp/frams/genetics/fS/fS_oper.cpp

Timestamp:

07/20/20 16:37:38 (5 years ago)

Author:

Maciej Komosinski

Message:

fS: faster collision detection, depends on "geometry" algorithms

File:

• cpp/frams/genetics/fS/fS_oper.cpp (modified) (14 diffs)

cpp/frams/genetics/fS/fS_oper.cpp

@@ -24 +24 @@
                                 {"fS_mut_mod_neuro_conn",   0, 0, "Modify neuron connection",    "f 0 100 10", FIELD(prob[FS_MOD_NEURO_CONNECTION]), "mutation: probability of changing a neuron connection",},
                                 {"fS_mut_add_neuro_conn",   0, 0, "Add neuron connection",       "f 0 100 10", FIELD(prob[FS_ADD_NEURO_CONNECTION]), "mutation: probability of adding a neuron connection",},
-                                {"fS_mut_rem neuro_conn",   0, 0, "Remove neuron connection",    "f 0 100 10", FIELD(prob[FS_REM_NEURO_CONNECTION]), "mutation: probability of removing a neuron connection",},
+                                {"fS_mut_rem_neuro_conn",   0, 0, "Remove neuron connection",    "f 0 100 10", FIELD(prob[FS_REM_NEURO_CONNECTION]), "mutation: probability of removing a neuron connection",},
                                 {"fS_mut_mod_neuro_params", 0, 0, "Modify neuron params",        "f 0 100 10", FIELD(prob[FS_MOD_NEURO_PARAMS]),     "mutation: probability of changing a neuron param",},
                                 {"fS_circle_section",       0, 0, "Ensure circle section",       "d 0 1 1",    FIELD(ensureCircleSection),           "Ensure that ellipsoids and cylinders have circle cross-section"},
@@ -35 +35 @@
 #undef FIELDSTRUCT
 
-
-void GenoOper_fS::prepareParams()
-{
-        minValues = {
-                        {INGESTION, Model::getMinPart().ingest},
-                        {FRICTION,  Model::getMinPart().friction},
-                        {STIFFNESS, 0.1},
-                        {ROT_X,     -M_PI},
-                        {ROT_Y,     -M_PI},
-                        {ROT_Z,     -M_PI},
-                        {RX,        -M_PI},
-                        {RY,        -M_PI},
-                        {RZ,        -M_PI},
-                        {SIZE,      0.01},
-                        {SIZE_X,    Model::getMinPart().scale.x},
-                        {SIZE_Y,    Model::getMinPart().scale.y},
-                        {SIZE_Z,    Model::getMinPart().scale.z}
-        };
-
-        maxValues = {
-                        {INGESTION, Model::getMaxPart().ingest},
-                        {FRICTION,  Model::getMaxPart().friction},
-                        {STIFFNESS, 0.5},
-                        {ROT_X,     M_PI},
-                        {ROT_Y,     M_PI},
-                        {ROT_Z,     M_PI},
-                        {RX,        M_PI},
-                        {RY,        M_PI},
-                        {RZ,        M_PI},
-                        {SIZE,      100.0},
-                        {SIZE_X,    Model::getMaxPart().scale.x},
-                        {SIZE_Y,    Model::getMaxPart().scale.y},
-                        {SIZE_Z,    Model::getMaxPart().scale.z}
-        };
-}
-
 GenoOper_fS::GenoOper_fS()
 {
-        prepareParams();
         par.setParamTab(genooper_fS_paramtab);
         par.select(this);
@@ -332 +295 @@
 bool GenoOper_fS::addPart(fS_Genotype &geno, const vector <Part::Shape> &availablePartShapes, bool mutateSize)
 {
-        geno.getState();
+        geno.getState(false);
         Node *node = geno.chooseNode();
         char partType = SHAPE_TO_GENE.at(availablePartShapes[rndUint(availablePartShapes.size())]);
@@ -375 +338 @@
         if (mutateSize)
         {
-                geno.getState();
+                geno.getState(false);
                 mutateSizeParam(newNode, SIZE_X, true);
                 mutateSizeParam(newNode, SIZE_Y, true);
@@ -387 +350 @@
         Node *randomNode, *selectedChild;
         // Choose a parent with children
-        for (int i = 0; i < mutationTries; i++)
+        // It may be difficult to choose a eligible node, so the number of tries should be high
+        for (int i = 0; i < 10 * mutationTries; i++)
         {
                 randomNode = geno.chooseNode();
@@ -425 +389 @@
 #endif
 
-                geno.getState();
+                geno.getState(false);
                 double sizeMultiplier = randomNode->getParam(SIZE) * randomNode->state->s;
                 double relativeVolume = randomNode->calculateVolume() / pow(sizeMultiplier, 3.0);
@@ -485 +449 @@
         bool isRadius = isRadiusOfBase || key == SIZE_X;
         if (ensureCircleSection && isRadius)
-        if (ensureCircleSection && isRadius)
         {
                 if (randomNode->partType == Part::Shape::SHAPE_ELLIPSOID)
@@ -493 +456 @@
         }
         // Add modified default value for param
-        randomNode->params[key] = mutateCreep('f', randomNode->defaultValues.at(key), minValues.at(key), maxValues.at(key), true);
-        return true;
+        randomNode->params[key] = randomNode->defaultValues.at(key);
+        geno.getState(false);
+        return mutateParamValue(randomNode, key);
 }
 
@@ -508 +472 @@
                         auto it = randomNode->params.begin();
                         advance(it, rndUint(paramCount));
-                        randomNode->params.erase(it->first);
-                        return true;
+                        string key = it->first;
+                        double value = it->second;
+
+                        randomNode->params.erase(key);
+                        if(geno.checkValidityOfPartSizes() == 0)
+                                return true;
+                        else
+                        {
+                                randomNode->params[key] = value;
+                        }
                 }
         }
@@ -515 +487 @@
 }
 
+
+bool GenoOper_fS::mutateParamValue(Node *node, string key)
+{
+        // Do not allow invalid changes in part size
+        if (std::find(SIZE_PARAMS.begin(), SIZE_PARAMS.end(), key) == SIZE_PARAMS.end())
+        {
+                node->params[key] = GenoOperators::mutateCreep('f', node->getParam(key), Node::minValues.at(key), Node::maxValues.at(key), true);
+                return true;
+        } else
+                return mutateSizeParam(node, key, ensureCircleSection);
+}
+
 bool GenoOper_fS::changeParam(fS_Genotype &geno)
 {
-        geno.getState();
+        geno.getState(false);
         for (int i = 0; i < mutationTries; i++)
         {
@@ -526 +510 @@
                         auto it = randomNode->params.begin();
                         advance(it, rndUint(paramCount));
-
-                        // Do not allow invalid changes in part size
-                        if (std::find(SIZE_PARAMS.begin(), SIZE_PARAMS.end(), it->first) == SIZE_PARAMS.end())
-                        {
-                                it->second = GenoOperators::mutateCreep('f', it->second, minValues.at(it->first), maxValues.at(it->first), true);
-                                return true;
-                        } else
-                                return mutateSizeParam(randomNode, it->first, ensureCircleSection);
+                        return mutateParamValue(randomNode, it->first);
                 }
         }
@@ -543 +520 @@
         Node *randomNode = geno.chooseNode();
         char randomModifier = MODIFIERS[rndUint(MODIFIERS.length())];
+        int oldValue = randomNode->modifiers[randomModifier];
+
         randomNode->modifiers[randomModifier] += rndUint(2) == 0 ? 1 : -1;
 
@@ -548 +527 @@
         if (isSizeMod && geno.checkValidityOfPartSizes() != 0)
         {
-                randomNode->modifiers[randomModifier]++;
+                randomNode->modifiers[randomModifier] = oldValue;
                 return false;
         }
@@ -715 +694 @@
         }
 
-        double min = std::max(minValues.at(key), valueAtMinVolume);
-        double max = std::min(maxValues.at(key), valueAtMaxVolume);
+        double min = std::max(Node::minValues.at(key), valueAtMinVolume);
+        double max = std::min(Node::maxValues.at(key), valueAtMaxVolume);
 
         node->params[key] = GenoOperators::mutateCreep('f', node->getParam(key), min, max, true);