Open source Star Ruler 2 source code!

2018-07-17 14:15:37 +02:00
commit cc307720ff
4342 changed files with 2365070 additions and 0 deletions
@@ -0,0 +1,181 @@
+import orders.Order;
+import resources;
+import attributes;
+import ftl;
+from objects.Oddity import createSlipstream;
+import movement;
+
+tidy class SlipstreamOrder : Order {
+	vec3d destination;
+	quaterniond facing;
+	double charge = 0.0;
+	int cost = 0;
+	int moveId = -1;
+	array<Object@> secondary;
+
+	SlipstreamOrder(vec3d pos) {
+		destination = pos;
+	}
+
+	SlipstreamOrder(SaveFile& msg) {
+		Order::load(msg);
+		msg >> destination;
+		msg >> facing;
+		msg >> moveId;
+		msg >> charge;
+		msg >> cost;
+
+		if(msg >= SV_0067) {
+			uint cnt = 0;
+			msg >> cnt;
+			secondary.length = cnt;
+			for(uint i = 0; i < cnt; ++i)
+				msg >> secondary[i];
+		}
+	}
+
+	void save(SaveFile& msg) override {
+		Order::save(msg);
+		msg << destination;
+		msg << facing;
+		msg << moveId;
+		msg << charge;
+		msg << cost;
+
+		uint cnt = secondary.length;
+		msg << cnt;
+		for(uint i = 0; i < cnt; ++i) {
+			msg << secondary[i];
+		}
+	}
+
+	OrderType get_type() override {
+		return OT_Slipstream;
+	}
+
+	string get_name() override {
+		return "Generating Slipstream";
+	}
+
+	bool cancel(Object& obj) override {
+		//Cannot cancel while already ftling
+		if(charge >= SLIPSTREAM_CHARGE_TIME || charge < 0.0)
+			return false;
+
+		//Refund a part of the ftl cost
+		if(cost > 0) {
+			double pct = 1.0 - min(charge / SLIPSTREAM_CHARGE_TIME, 1.0);
+			double refund = cost * pct;
+			obj.owner.modFTLStored(refund);
+			cost = 0;
+		}
+
+		//Mark ship as no longer FTLing
+		Ship@ ship = cast<Ship>(obj);
+		if(ship !is null)
+			ship.isFTLing = false;
+		return true;
+	}
+
+	bool get_hasMovement() override {
+		return true;
+	}
+
+	vec3d getMoveDestination(const Object& obj) override {
+		return destination;
+	}
+
+	OrderStatus tick(Object& obj, double time) override {
+		if(!obj.hasMover)
+			return OS_COMPLETED;
+		if(!canSlipstream(obj))
+			return OS_COMPLETED;
+		if(!canSlipstreamTo(obj, destination))
+			return OS_COMPLETED;
+
+		//Pay for the FTL
+		Ship@ ship = cast<Ship>(obj);
+		if(ship !is null && ship.delayFTL && charge >= 0) {
+			if(charge > 0)
+				charge = 0.001;
+			return OS_BLOCKING;
+		}
+		if(charge == 0) {
+			int scale = 1;
+			if(ship !is null) {
+				scale = ship.blueprint.design.size;
+				if(ship.group !is null)
+					scale *= ship.group.objectCount;
+			}
+
+			double dist = obj.position.distanceTo(destination);
+			cost = slipstreamCost(obj, scale, dist);
+
+			if(cost > 0) {
+				double consumed = obj.owner.consumeFTL(cost, false, record=false);
+				if(consumed < cost)
+					return OS_COMPLETED;
+			}
+			charge = 0.001;
+
+			//Mark ship as FTLing
+			if(ship !is null)
+				ship.isFTLing = true;
+
+			//Calculate needed facing
+			facing = quaterniond_fromVecToVec(vec3d_front(), destination - obj.position);
+			obj.stopMoving();
+
+			playParticleSystem("FTLCharge", vec3d(), quaterniond(), obj.radius * 4.0, obj);
+			playParticleSystem("FTLCharge", destination, quaterniond(), slipstreamInaccuracy(obj, destination) * 0.25);
+		}
+
+		if(charge > 0.0) {
+			bool isFacing = obj.rotateTo(facing, moveId);
+
+			//Charge up the slipstream drive for a while first
+			if(charge < SLIPSTREAM_CHARGE_TIME)
+				charge += time;
+
+			if(!isFacing) {
+				return OS_BLOCKING;
+			}
+			else {
+				if(charge < SLIPSTREAM_CHARGE_TIME)
+					return OS_BLOCKING;
+
+				charge = -1.0;
+				moveId = -1;
+
+				if(cost > 0)
+					obj.owner.modAttribute(EA_FTLEnergySpent, AC_Add, cost);
+			}
+		}
+
+		//Generate the slipstream
+		vec3d startPos = obj.position;
+		startPos += (obj.rotation * vec3d_front()).normalized(obj.radius * 2.5 + 15.0);
+
+		vec3d endPos = destination;
+		slipstreamModifyPosition(obj, endPos);
+		createSlipstream(startPos, endPos, slipstreamLifetime(obj), obj.owner);
+
+		//Flag ship as no longer in ftl
+		if(ship !is null) {
+			ship.blueprint.clearTracking(ship);
+			ship.isFTLing = false;
+		}
+
+		//Set movement
+		if(secondary.length != 0) {
+			vec3d movePos = destination;
+			movePos += facing * vec3d_front() * obj.radius * 15.0;
+
+			auto@ positions = getFleetTargetPositions(secondary, movePos, quaterniond_fromAxisAngle(vec3d_up(), pi) * facing);
+			for(uint i = 0, cnt = secondary.length; i < cnt; ++i)
+				secondary[i].moveAfterWait(positions[i], obj);
+		}
+
+		return OS_COMPLETED;
+	}
+};