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Now can load action specs from JSON.

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This commit is contained in:
Zed A. Shaw 2025-03-10 14:07:31 -04:00
parent 3d8a2d4342
commit 9d6dc2f5dd
4 changed files with 138 additions and 69 deletions
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54
goap.cpp
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@ -2,18 +2,66 @@
#include "goap.hpp"
namespace ailol {
using namespace nlohmann;
bool is_subset(GOAPState& source, GOAPState& target) {
GOAPState result = source & target;
return result == target;
}
void Action::needs(int name, bool val) {
if(val) {
$positive_preconds[name] = true;
$negative_preconds[name] = false;
} else {
$negative_preconds[name] = true;
$positive_preconds[name] = false;
}
}
void Action::effect(int name, bool val) {
if(val) {
$positive_effects[name] = true;
$negative_effects[name] = false;
} else {
$negative_effects[name] = true;
$positive_effects[name] = false;
}
}
void Action::load(nlohmann::json& profile, nlohmann::json& config) {
dbc::check(config.contains("needs"),
fmt::format("Action.load({}): no 'needs' field", $name));
dbc::check(config.contains("effects"),
fmt::format("Action.load({}): no 'effects' field", $name));
for(auto& [name_key, value] : profile.items()) {
dbc::check(value < STATE_MAX, fmt::format("Action.load({}): profile field {} has value {} greater than STATE_MAX {}", $name, (std::string)name_key, (int)value, STATE_MAX));
}
for(auto& [name_key, value] : config["needs"].items()) {
dbc::check(profile.contains(name_key), fmt::format("Action.load({}): profile does not have name {}", $name, name_key));
int name = profile[name_key].template get<int>();
needs(name, bool(value));
}
for(auto& [name_key, value] : config["effects"].items()) {
dbc::check(profile.contains(name_key), fmt::format("Action.load({}): profile does not have name {}", $name, name_key));
int name = profile[name_key].template get<int>();
effect(name, bool(value));
}
}
bool Action::can_effect(GOAPState& state) {
return ((state & positive_preconds) == positive_preconds) &&
((state & negative_preconds) == ALL_ZERO);
return ((state & $positive_preconds) == $positive_preconds) &&
((state & $negative_preconds) == ALL_ZERO);
}
GOAPState Action::apply_effect(GOAPState& state) {
return (state | positive_effects) & ~negative_effects;
return (state | $positive_effects) & ~$negative_effects;
}
int distance_to_goal(GOAPState& from, GOAPState& to) {