update

unit.cpp

@@ -6,8 +6,10 @@
 Unit::Unit(int uId, int pId, const UnitConfig &cfg, int startX, int startY, float groundZ)
     : id(uId), playerId(pId), config(cfg), tileX(startX), tileY(startY),
       health((float)cfg.health), maxHealth((float)cfg.health),
+      buildCharges(cfg.buildCharges),
       state(UnitState::Idle), pathIndex(0), moveProgress(0.0f),
-      targetTileX(startX), targetTileY(startY), attackFlashTimer(0.0f)
+      targetTileX(startX), targetTileY(startY), attackFlashTimer(0.0f),
+      buildProgress(0.0f), buildDuration(0.0f), buildingImprovementId("")
 {
     QVector2D w = Pathfinder::hexToWorld(startX, startY);
     worldPos = QVector3D(w.x(), w.y(), groundZ);
@@ -34,6 +36,10 @@ float Unit::getTerrainHeight(float worldX, float worldY, Matrix2D<TerrainPoint>
 
 void Unit::setPath(const std::vector<std::pair<int, int>> &newPath)
 {
+    if (state == UnitState::Building) {
+        cancelBuilding();
+    }
+
     path = newPath;
     pathIndex = 0;
     moveProgress = 0.0f;
@@ -55,6 +61,27 @@ void Unit::stopMovement()
     state = UnitState::Idle;
 }
 
+void Unit::startBuilding(const QString &impId, float duration)
+{
+    path.clear();
+    pathIndex = 0;
+    moveProgress = 0.0f;
+    state = UnitState::Building;
+    buildingImprovementId = impId;
+    buildDuration = std::max(0.1f, duration);
+    buildProgress = 0.0f;
+}
+
+void Unit::cancelBuilding()
+{
+    if (state == UnitState::Building) {
+        state = UnitState::Idle;
+        buildProgress = 0.0f;
+        buildDuration = 0.0f;
+        buildingImprovementId = "";
+    }
+}
+
 void Unit::update(float deltaTime, float tickDuration, float simSpeedMultiplier,
                  Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
 {
@@ -62,6 +89,13 @@ void Unit::update(float deltaTime, float tickDuration, float simSpeedMultiplier,
         attackFlashTimer = std::max(0.0f, attackFlashTimer - deltaTime);
     }
 
+    if (state == UnitState::Building) {
+        if (buildDuration > 0.001f) {
+            buildProgress += (deltaTime * simSpeedMultiplier) / buildDuration;
+        }
+        return;
+    }
+
     if (state != UnitState::Moving || path.size() <= 1) {
         return;
     }