1 files changed, 86 insertions, 1 deletions
diff --git a/server/src/entity/campaign.rs b/server/src/entity/campaign.rs
index c4c8ab52..934f7542 100644
--- a/server/src/entity/campaign.rs
+++ b/server/src/entity/campaign.rs
@@ -16,8 +16,14 @@
 
 */
 use super::{Entity, EntityContext};
+use crate::{scoreboard::ScoreboardStore, server::GameServerExt};
 use anyhow::Result;
-use hurrycurry_protocol::glam::Vec2;
+use hurrycurry_protocol::{
+    glam::{IVec2, Vec2},
+    PacketC, PlayerID, TileIndex,
+};
+use serde::{Deserialize, Serialize};
+use std::fmt::Write;
 
 #[derive(Debug, Default, Clone)]
 pub struct Map {
@@ -39,3 +45,82 @@ impl Entity for Map {
         Ok(())
     }
 }
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+pub enum GateCondition {
+    All(Vec<GateCondition>),
+    Any(Vec<GateCondition>),
+    Stars(String, u8),
+}
+
+#[derive(Debug, Clone)]
+pub struct Gate {
+    pub active: bool,
+    pub unlocked: bool,
+    pub location: IVec2,
+    pub blocker_tile: TileIndex,
+    pub condition: GateCondition,
+}
+impl Entity for Gate {
+    fn tick(&mut self, c: EntityContext<'_>) -> Result<()> {
+        if self.active {
+            self.active = false;
+            self.unlocked = self.condition.check(c.scoreboard);
+            if !self.unlocked {
+                c.game
+                    .set_tile(self.location, Some(self.blocker_tile), c.packet_out)
+            }
+        }
+        Ok(())
+    }
+    fn interact(
+        &mut self,
+        c: EntityContext<'_>,
+        pos: Option<IVec2>,
+        _player: PlayerID,
+    ) -> Result<bool> {
+        if !self.unlocked && pos == Some(self.location) {
+            c.packet_out.push_back(PacketC::ServerMessage {
+                text: format!("To unlock: \n\n{}", self.condition.show(c.scoreboard)),
+            });
+            return Ok(true);
+        }
+        Ok(false)
+    }
+}
+
+impl GateCondition {
+    fn check(&self, scoreboard: &ScoreboardStore) -> bool {
+        match self {
+            GateCondition::All(cs) => cs.iter().all(|c| c.check(scoreboard)),
+            GateCondition::Any(cs) => cs.iter().any(|c| c.check(scoreboard)),
+            GateCondition::Stars(map, thres) => scoreboard.get(map).map_or(false, |s| {
+                s.best.first().map_or(false, |b| b.score.stars >= *thres)
+            }),
+        }
+    }
+    pub fn show(&self, scoreboard: &ScoreboardStore) -> String {
+        match self {
+            GateCondition::All(cs) => {
+                let mut o = String::new();
+                for c in cs {
+                    if !c.check(scoreboard) {
+                        writeln!(o, "- {}", c.show(scoreboard)).unwrap();
+                    }
+                }
+                o
+            }
+            GateCondition::Any(cs) => {
+                let mut o = String::new();
+                for c in cs {
+                    writeln!(o, "- {}", c.show(scoreboard)).unwrap();
+                }
+                o
+            }
+            GateCondition::Stars(map, thres) => {
+                format!("Reach at least {thres} stars in {map}")
+            }
+        }
+    }
+}