sp
/
Minigrid2PRISM
1
0
Fork 0
Code Issues 5 Pull Requests 1 Projects Releases Wiki Activity
Browse Source

added formulas to check where a robot can slip to

pull/1/head
sp 11 months ago
parent
48a90f0739
commit
389963a7c4
2 changed files with 81 additions and 27 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 79
      util/PrismFormulaPrinter.cpp
  2. 13
      util/PrismFormulaPrinter.h

79
util/PrismFormulaPrinter.cpp
View File

@ -23,10 +23,19 @@ std::string cellToConjunction(const AgentName &agentName, const cell &c) {
return "x" + agentName + "=" + std::to_string(c.column) + "&y" + agentName + "=" + std::to_string(c.row);
}
std::string cellToConjunctionWithOffset(const AgentName &agentName, const cell &c, const std::string &xOffset, const std::string &yOffset){
return "x" + agentName + xOffset + "=" + std::to_string(c.column) + "&y" + agentName + yOffset + "=" + std::to_string(c.row);
}
std::string coordinatesToConjunction(const AgentName &agentName, const coordinates &c, const ViewDirection viewDirection) {
return "x" + agentName + "=" + std::to_string(c.first) + "&y" + agentName + "=" + std::to_string(c.second) + "&view" + agentName + "=" + std::to_string(viewDirection);
}
std::string objectPositionToConjunction(const AgentName &agentName, const std::string &identifier, const std::pair<int, int> &relativePosition) {
std::string xOffset = oneOffToString(relativePosition.first);
std::string yOffset = oneOffToString(relativePosition.second);
return "x" + agentName + xOffset + "=x" + identifier + "&y" + agentName + yOffset + "=y" + identifier;
}
std::string objectPositionToConjunction(const AgentName &agentName, const std::string &identifier, const std::pair<int, int> &relativePosition, const ViewDirection viewDirection) {
std::string xOffset = oneOffToString(relativePosition.first);
std::string yOffset = oneOffToString(relativePosition.second);
@ -41,6 +50,11 @@ std::map<ViewDirection, std::pair<int, int>> getRelativeAdjacentCells() {
return { {1, {0,+1}}, {2, {-1,0}}, {3, {0,-1}}, {0, {+1,0}} };
}
std::map<std::string, std::pair<int, int>> getRelativeSurroundingCells() {
return { {"NorthWest", {-1,-1}}, {"North", { 0,-1}}, {"NorthEast", {+1,-1}},
{"West", {-1, 0}}, {"East", {+1, 0}},
{"SouthWest", {-1,+1}}, {"South", { 0,+1}}, {"SouthEast", {+1,+1}} };
}
namespace prism {
PrismFormulaPrinter::PrismFormulaPrinter(std::ostream &os, const std::map<std::string, cells> &restrictions, const cells &walls, const cells &boxes, const cells &balls, const cells &lockedDoors, const cells &unlockedDoors, const cells &keys, const std::map<std::string, cells> &slipperyTiles, const cells &lava, const cells &goals)
@ -52,11 +66,17 @@ namespace prism {
printRestrictionFormula(agentName, direction, cells);
}
if(slipperyBehaviour()) {
for(const auto& [direction, cells] : slipperyTiles) {
printIsOnFormula(agentName, "Slippery", cells, direction);
}
std::vector<std::string> allSlipperyDirections = {agentName + "IsOnSlipperyNorth", agentName + "IsOnSlipperyEast", agentName + "IsOnSlipperySouth", agentName + "IsOnSlipperyWest"};
os << buildFormula(agentName + "IsOnSlippery", vectorToDisjunction(allSlipperyDirections));
for(const auto& [direction, relativePosition] : getRelativeSurroundingCells()) {
printSlipRestrictionFormula(agentName, direction);
}
}
printIsOnFormula(agentName, "Lava", lava);
printIsOnFormula(agentName, "Goal", goals);
@ -64,11 +84,6 @@ namespace prism {
std::string identifier = capitalize(ball.getColor()) + ball.getType();
printRelativeRestrictionFormulaWithCondition(agentName, identifier, "!" + identifier + "PickedUp");
portableObjects.push_back(agentName + "Carrying" + identifier);
for(auto const c : getAdjacentCells(ball)) {
std::cout << ball << std::endl;
std::cout << "dir:" << c.first << " column" << c.second.first << " row" << c.second.second << std::endl;
}
}
for(const auto& box : boxes) {
@ -123,8 +138,27 @@ namespace prism {
conditionalMovementRestrictions.push_back(agentName + "CannotMove" + reason);
}
std::string PrismFormulaPrinter::buildFormula(const std::string &formulaName, const std::string &formula) {
return "formula " + formulaName + " = " + formula + ";\n";
void PrismFormulaPrinter::printSlipRestrictionFormula(const AgentName &agentName, const std::string &direction) {
std::pair<int, int> slipCell = getRelativeSurroundingCells().at(direction);
bool semicolon = anyPortableObject() ? false : true;
os << buildFormula(agentName + "CannotSlip" + direction, buildDisjunction(agentName, walls, slipCell), semicolon);
for(auto const key : keys) {
std::string identifier = capitalize(key.getColor()) + key.getType();
os << " | " << objectPositionToConjunction(agentName, identifier, slipCell);
}
for(auto const ball : balls) {
std::string identifier = capitalize(ball.getColor()) + ball.getType();
os << " | " << objectPositionToConjunction(agentName, identifier, slipCell);
}
for(auto const box : boxes) {
std::string identifier = capitalize(box.getColor()) + box.getType();
os << " | " << objectPositionToConjunction(agentName, identifier, slipCell);
}
os << ";\n";
}
std::string PrismFormulaPrinter::buildFormula(const std::string &formulaName, const std::string &formula, const bool semicolon) {
return "formula " + formulaName + " = " + formula + (semicolon ? ";\n": "");
}
std::string PrismFormulaPrinter::buildDisjunction(const AgentName &agentName, const std::map<ViewDirection, coordinates> &cells) {
@ -139,24 +173,15 @@ namespace prism {
return disjunction;
}
std::string PrismFormulaPrinter::buildDisjunction(const AgentName &agentName, const cells &cells, const std::vector<std::string> &conditions) {
std::string PrismFormulaPrinter::buildDisjunction(const AgentName &agentName, const cells &cells) {
if(cells.size() == 0) return "false";
bool first = true;
std::string disjunction = "";
if(!conditions.empty()) {
for(uint index = 0; index < cells.size(); index++) {
if(first) first = false;
else disjunction += " | ";
disjunction += "(" + cellToConjunction(agentName, cells.at(index)) + "&" + conditions.at(index) + ")";
}
} else {
for(auto const cell : cells) {
if(first) first = false;
else disjunction += " | ";
disjunction += "(" + cellToConjunction(agentName, cell) + ")";
}
}
return disjunction;
}
@ -170,4 +195,24 @@ namespace prism {
}
return disjunction;
}
std::string PrismFormulaPrinter::buildDisjunction(const AgentName &agentName, const cells &cells, const std::pair<int, int> &offset) {
std::string disjunction = "";
bool first = true;
std::string xOffset = oneOffToString(offset.first);
std::string yOffset = oneOffToString(offset.second);
for(auto const cell : cells) {
if(first) first = false;
else disjunction += " | ";
disjunction += "(" + cellToConjunctionWithOffset(agentName, cell, xOffset, yOffset) + ")";
}
return disjunction;
}
bool PrismFormulaPrinter::slipperyBehaviour() const {
return !slipperyTiles.at("North").empty() || !slipperyTiles.at("East").empty() || !slipperyTiles.at("South").empty() || !slipperyTiles.at("West").empty();
}
bool PrismFormulaPrinter::anyPortableObject() const {
return !keys.empty() || !boxes.empty() || !balls.empty();
}
}

13
util/PrismFormulaPrinter.h
View File

@ -10,10 +10,13 @@
std::string oneOffToString(const int &offset);
std::string vectorToDisjunction(const std::vector<std::string> &formulae);
std::string cellToConjunction(const AgentName &agentName, const cell &c);
std::string cellToConjunctionWithOffset(const AgentName &agentName, const cell &c, const std::string &xOffset, const std::string &yOffset);
std::string coordinatesToConjunction(const AgentName &agentName, const coordinates &c, const ViewDirection viewDirection);
std::string objectPositionToConjunction(const AgentName &agentName, const std::string &identifier, const std::pair<int, int> &relativePosition);
std::string objectPositionToConjunction(const AgentName &agentName, const std::string &identifier, const std::pair<int, int> &relativePosition, const ViewDirection viewDirection);
std::map<ViewDirection, coordinates> getAdjacentCells(const cell &c);
std::map<ViewDirection, std::pair<int, int>> getRelativeAdjacentCells();
std::map<std::string, std::pair<int, int>> getRelativeSurroundingCells();
namespace prism {
class PrismFormulaPrinter {
@ -27,12 +30,18 @@ namespace prism {
void printIsNextToFormula(const AgentName &agentName, const std::string &type, const std::map<ViewDirection, coordinates> &coordinates);
void printRestrictionFormulaWithCondition(const AgentName &agentName, const std::string &reason, const std::map<ViewDirection, coordinates> &coordinates, const std::string &condition);
void printRelativeRestrictionFormulaWithCondition(const AgentName &agentName, const std::string &reason, const std::string &condition);
void printSlipRestrictionFormula(const AgentName &agentName, const std::string &direction);
private:
std::string buildFormula(const std::string &formulaName, const std::string &formula);
std::string buildFormula(const std::string &formulaName, const std::string &formula, const bool semicolon = true);
std::string buildLabel(const std::string &labelName, const std::string &label);
std::string buildDisjunction(const AgentName &agentName, const std::map<ViewDirection, coordinates> &cells);
std::string buildDisjunction(const AgentName &agentName, const cells &cells, const std::vector<std::string> &conditions = {});
std::string buildDisjunction(const AgentName &agentName, const cells &cells);
std::string buildDisjunction(const AgentName &agentName, const std::string &reason);
std::string buildDisjunction(const AgentName &agentName, const cells &cells, const std::pair<int, int> &offset);
bool slipperyBehaviour() const;
bool anyPortableObject() const;
std::ostream &os;
std::map<std::string, cells> restrictions;

Write Preview
Loading…
Cancel
Save