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#pragma once
#include "openvic-simulation/types/IdentifierRegistry.hpp"
namespace OpenVic {
struct ModifierManager;
struct ModifierEffect : HasIdentifier {
enum class format_t {
PROPORTION_DECIMAL, /* An unscaled fraction/ratio, with 1 being "full"/"whole" */
PERCENTAGE_DECIMAL, /* A fraction/ratio scaled so that 100 is "full"/"whole" */
RAW_DECIMAL, /* A continuous quantity, e.g. attack strength */
INT /* A discrete quantity, e.g. building count limit */
};
friend std::unique_ptr<ModifierEffect> std::make_unique<ModifierEffect>(std::string_view&&, bool&&, format_t&&);
private:
/* If true, positive values will be green and negative values will be red.
* If false, the colours will be switced.
*/
const bool PROPERTY_CUSTOM_PREFIX(positive_good, is);
const format_t PROPERTY(format);
// TODO - format/precision, e.g. 80% vs 0.8 vs 0.800, 2 vs 2.0 vs 200%
ModifierEffect(std::string_view new_identifier, bool new_positive_good, format_t new_format);
public:
ModifierEffect(ModifierEffect&&) = default;
};
struct ModifierValue {
friend struct ModifierManager;
using effect_map_t = fixed_point_map_t<ModifierEffect const*>;
private:
effect_map_t values;
public:
ModifierValue();
ModifierValue(effect_map_t&& new_values);
ModifierValue(ModifierValue const&);
ModifierValue(ModifierValue&&);
ModifierValue& operator=(ModifierValue const&);
ModifierValue& operator=(ModifierValue&&);
/* Removes effect entries with a value of zero. */
void trim();
size_t get_effect_count() const;
fixed_point_t get_effect(ModifierEffect const* effect, bool* successful = nullptr);
bool has_effect(ModifierEffect const* effect) const;
ModifierValue& operator+=(ModifierValue const& right);
ModifierValue operator+(ModifierValue const& right) const;
ModifierValue operator-() const;
ModifierValue& operator-=(ModifierValue const& right);
ModifierValue operator-(ModifierValue const& right) const;
friend std::ostream& operator<<(std::ostream& stream, ModifierValue const& value);
};
struct Modifier : HasIdentifier, ModifierValue {
friend struct ModifierManager;
using icon_t = uint8_t;
private:
/* A modifier can have no icon (zero). */
const icon_t PROPERTY(icon);
protected:
Modifier(std::string_view new_identifier, ModifierValue&& new_values, icon_t new_icon);
public:
Modifier(Modifier&&) = default;
};
struct ModifierInstance {
private:
Modifier const& PROPERTY(modifier);
Date PROPERTY(expiry_date);
ModifierInstance(Modifier const& modifier, Date expiry_date);
};
template<typename Fn>
concept ModifierEffectValidator = std::predicate<Fn, ModifierEffect const&>;
struct ModifierManager {
/* Some ModifierEffects are generated mid-load, such as max/min count modifiers for each building, so
* we can't lock it until loading is over. This means we can't rely on locking for pointer stability,
* so instead we use an IdentifierInstanceRegistry (using std::unique_ptr's under the hood).
*/
private:
IdentifierInstanceRegistry<ModifierEffect> modifier_effects;
IdentifierRegistry<Modifier> event_modifiers;
/* effect_validator takes in ModifierEffect const& */
NodeTools::key_value_callback_t _modifier_effect_callback(
ModifierValue& modifier, NodeTools::key_value_callback_t default_callback,
ModifierEffectValidator auto effect_validator
) const;
public:
ModifierManager();
bool add_modifier_effect(
std::string_view identifier, bool province_good,
ModifierEffect::format_t format = ModifierEffect::format_t::PROPORTION_DECIMAL
);
IDENTIFIER_REGISTRY_ACCESSORS(modifier_effect)
bool add_event_modifier(std::string_view identifier, ModifierValue&& values, Modifier::icon_t icon);
IDENTIFIER_REGISTRY_ACCESSORS(event_modifier)
bool setup_modifier_effects();
bool load_crime_modifiers(ast::NodeCPtr root);
bool load_event_modifiers(ast::NodeCPtr root);
bool load_static_modifiers(ast::NodeCPtr root);
bool load_triggered_modifiers(ast::NodeCPtr root);
NodeTools::node_callback_t expect_validated_modifier_value_and_default(
NodeTools::callback_t<ModifierValue&&> modifier_callback, NodeTools::key_value_callback_t default_callback,
ModifierEffectValidator auto effect_validator
) const;
NodeTools::node_callback_t expect_validated_modifier_value(
NodeTools::callback_t<ModifierValue&&> modifier_callback, ModifierEffectValidator auto effect_validator
) const;
NodeTools::node_callback_t expect_modifier_value_and_default(
NodeTools::callback_t<ModifierValue&&> modifier_callback, NodeTools::key_value_callback_t default_callback
) const;
NodeTools::node_callback_t expect_modifier_value(NodeTools::callback_t<ModifierValue&&> modifier_callback) const;
NodeTools::node_callback_t expect_whitelisted_modifier_value_and_default(
NodeTools::callback_t<ModifierValue&&> modifier_callback, string_set_t const& whitelist,
NodeTools::key_value_callback_t default_callback
) const;
NodeTools::node_callback_t expect_whitelisted_modifier_value(
NodeTools::callback_t<ModifierValue&&> modifier_callback, string_set_t const& whitelist
) const;
NodeTools::node_callback_t expect_modifier_value_and_key_map_and_default(
NodeTools::callback_t<ModifierValue&&> modifier_callback, NodeTools::key_value_callback_t default_callback,
NodeTools::key_map_t&& key_map
) const;
NodeTools::node_callback_t expect_modifier_value_and_key_map(
NodeTools::callback_t<ModifierValue&&> modifier_callback, NodeTools::key_map_t&& key_map
) const;
template<typename... Args>
NodeTools::node_callback_t expect_modifier_value_and_key_map_and_default(
NodeTools::callback_t<ModifierValue&&> modifier_callback, NodeTools::key_value_callback_t default_callback,
NodeTools::key_map_t&& key_map, Args... args
) const {
NodeTools::add_key_map_entries(key_map, args...);
return expect_modifier_value_and_key_map_and_default(modifier_callback, default_callback, std::move(key_map));
}
template<typename... Args>
NodeTools::node_callback_t expect_modifier_value_and_keys_and_default(
NodeTools::callback_t<ModifierValue&&> modifier_callback, NodeTools::key_value_callback_t default_callback,
Args... args
) const {
return expect_modifier_value_and_key_map_and_default(modifier_callback, default_callback, {}, args...);
}
template<typename... Args>
NodeTools::node_callback_t expect_modifier_value_and_keys(
NodeTools::callback_t<ModifierValue&&> modifier_callback, Args... args
) const {
return expect_modifier_value_and_key_map_and_default(
modifier_callback, NodeTools::key_value_invalid_callback, {}, args...
);
}
};
}
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zaaarf