Trianta/snakeplusplus
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

ai: remove food greed and adjust probability weights manually a bit for testing

Browse Source
This commit is contained in:
Trianta 2024-08-14 04:01:14 -05:00
parent a5902171ec
commit aba9a9cc35
1 changed files with 8 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/botinterface.cpp
View File

@ -285,27 +285,22 @@ void AISnake::CheckLocalFreedom(void) {
continue; // Out of bounds
}
double openSpaces = 0;
bool foodNearby = false;
for (int j = -1; j < 2; ++j) {
for (int k = -1; k < 2; ++k) {
try {
if (!g_pEngine->gameBoard.at(choices[i].y + j).at(choices[i].x + k).m_bSnake)
++openSpaces;
if (g_pEngine->gameBoard.at(choices[i].y + j).at(choices[i].x + k).m_bFood)
foodNearby = true;
} catch (const std::out_of_range& error) {
continue; // Out of bounds
}
}
}
chances[i] = openSpaces * 0.11111111111;
if (foodNearby)
chances[i] = 1; // Ignore chance, be greedy because food
}
probabilityDown *= chances[0];
probabilityRight *= chances[1];
probabilityUp *= chances[2];
probabilityLeft *= chances[3];
probabilityDown *= chances[0] * 4;
probabilityRight *= chances[1] * 4;
probabilityUp *= chances[2] * 4;
probabilityLeft *= chances[3] * 4;
}
// Improves probability that direction of food is best option
@ -313,19 +308,13 @@ void AISnake::CheckLocalFreedom(void) {
void AISnake::CheckFoodDirection(void) {
sf::Vector2f delta = g_pEngine->GetHeadLocation() - g_pEngine->GetFoodLocation();
if (delta.x > 0)
probabilityLeft *= 2;
probabilityLeft *= 1.5;
if (delta.x < 0)
probabilityRight *= 2;
probabilityRight *= 1.5;
if (delta.y > 0)
probabilityUp *= 2;
probabilityUp *= 1.5;
if (delta.y < 0)
probabilityDown *= 2;
std::array<sf::Vector2f, 4> choices;
choices.fill(g_pEngine->GetHeadLocation());
choices[0].y += 1;
choices[1].x += 1;
choices[2].y -= 1;
choices[3].x -= 1;
probabilityDown *= 1.5;
}
void AISnake::RemoveImpossibleChoice(void) {