v1.4.4

source/game/StarLiquidsDatabase.hpp

@@ -0,0 +1,105 @@
+#ifndef STAR_LIQUIDS_DATABASE_HPP
+#define STAR_LIQUIDS_DATABASE_HPP
+
+#include "StarJson.hpp"
+#include "StarEither.hpp"
+#include "StarGameTypes.hpp"
+#include "StarList.hpp"
+#include "StarCellularLiquid.hpp"
+#include "StarItemDescriptor.hpp"
+
+namespace Star {
+
+STAR_STRUCT(LiquidSettings);
+STAR_CLASS(LiquidsDatabase);
+
+STAR_EXCEPTION(LiquidException, StarException);
+
+typedef Either<MaterialId, LiquidId> LiquidInteractionResult;
+
+struct LiquidSettings {
+  LiquidSettings();
+
+  String name;
+  LiquidId id;
+  String path;
+  Json config;
+  Json descriptions;
+
+  unsigned tickDelta;
+  Vec4B liquidColor;
+  Vec3F radiantLightLevel;
+  ItemDescriptor itemDrop;
+  JsonArray statusEffects;
+
+  HashMap<LiquidId, Maybe<LiquidInteractionResult>> interactions;
+};
+
+class LiquidsDatabase {
+public:
+  LiquidsDatabase();
+
+  LiquidCellEngineParameters liquidEngineParameters() const;
+  float backgroundDrain() const;
+
+  StringList liquidNames() const;
+
+  // Returns settings object for all liquids except "empty"
+  List<LiquidSettingsConstPtr> allLiquidSettings() const;
+
+  bool isLiquidName(String const& name) const;
+  bool isValidLiquidId(LiquidId liquidId) const;
+
+  LiquidId liquidId(String const& str) const;
+  String liquidName(LiquidId liquidId) const;
+  String liquidDescription(LiquidId liquidId, String const& species) const;
+  String liquidDescription(LiquidId liquidId) const;
+  Maybe<String> liquidPath(LiquidId liquidId) const;
+  Maybe<Json> liquidConfig(LiquidId liquidId) const;
+
+  // Returns null on EmptyLiquidId or invalid liquid id
+  LiquidSettingsConstPtr liquidSettings(LiquidId liquidId) const;
+
+  Vec3F radiantLight(LiquidLevel level) const;
+
+  Maybe<LiquidInteractionResult> interact(LiquidId target, LiquidId other) const;
+
+private:
+  LiquidCellEngineParameters m_liquidEngineParameters;
+  float m_backgroundDrain;
+  List<LiquidSettingsConstPtr> m_settings;
+  StringMap<LiquidId> m_liquidNames;
+};
+
+inline float LiquidsDatabase::backgroundDrain() const {
+  return m_backgroundDrain;
+}
+
+inline bool LiquidsDatabase::isLiquidName(String const& name) const {
+  return m_liquidNames.contains(name);
+}
+
+inline bool LiquidsDatabase::isValidLiquidId(LiquidId liquidId) const {
+  return liquidId == EmptyLiquidId || (liquidId < m_settings.size() && m_settings[liquidId]);
+}
+
+inline LiquidSettingsConstPtr LiquidsDatabase::liquidSettings(LiquidId liquidId) const {
+  if (liquidId >= m_settings.size())
+    return {};
+  return m_settings[liquidId];
+}
+
+inline Vec3F LiquidsDatabase::radiantLight(LiquidLevel level) const {
+  if (level.liquid >= m_settings.size())
+    return Vec3F();
+
+  auto const& settings = m_settings[level.liquid];
+  if (!settings)
+    return Vec3F();
+
+  return settings->radiantLightLevel * level.level;
+}
+
+}
+
+#endif