v1.4.4

source/game/StarLiquidTypes.cpp

@@ -0,0 +1,75 @@
+#include "StarLiquidTypes.hpp"
+
+namespace Star {
+
+LiquidLevel LiquidLevel::take(float amount) {
+  if (liquid == EmptyLiquidId)
+    return LiquidLevel();
+  amount = min(amount, level);
+
+  LiquidLevel taken = {liquid, amount};
+
+  level -= amount;
+  if (level <= 0.0f)
+    liquid = EmptyLiquidId;
+
+  return taken;
+}
+
+LiquidStore LiquidStore::filled(LiquidId liquid, float level, Maybe<float> pressure) {
+  if (liquid == EmptyLiquidId)
+    return LiquidStore();
+  return LiquidStore(liquid, level, pressure.value(level), false);
+}
+
+LiquidStore LiquidStore::endless(LiquidId liquid, float pressure) {
+  if (liquid == EmptyLiquidId)
+    return LiquidStore();
+  return LiquidStore(liquid, 1.0f, pressure, true);
+}
+
+LiquidStore::LiquidStore() : LiquidLevel(), pressure(0), source(false) {}
+
+LiquidStore::LiquidStore(LiquidId liquid, float level, float pressure, bool source)
+  : LiquidLevel(liquid, level), pressure(pressure), source(source) {}
+
+LiquidNetUpdate LiquidStore::netUpdate() const {
+  return LiquidNetUpdate{liquid, floatToByte(level, true)};
+}
+
+Maybe<LiquidNetUpdate> LiquidStore::update(LiquidId liquid, float level, float pressure) {
+  if (source) {
+    if (this->liquid != liquid)
+      return {};
+    level = max(level, this->level);
+    pressure = max(pressure, this->pressure);
+  }
+
+  if (level <= 0.0f) {
+    liquid = EmptyLiquidId;
+    pressure = 0.0f;
+  }
+
+  bool netUpdate = this->liquid != liquid || floatToByte(this->level, true) != floatToByte(level, true);
+
+  this->liquid = liquid;
+  this->level = level;
+  this->pressure = pressure;
+
+  if (netUpdate)
+    return LiquidNetUpdate{liquid, floatToByte(level)};
+  else
+    return {};
+}
+
+LiquidLevel LiquidStore::take(float amount) {
+  if (source)
+    return LiquidLevel(liquid, amount);
+
+  auto taken = LiquidLevel::take(amount);
+  if (level == 0.0f)
+    pressure = 0.0f;
+  return taken;
+}
+
+}