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authorDan Goodliffe <dan@randomdan.homeip.net>2021-03-16 18:29:37 +0000
committerDan Goodliffe <dan@randomdan.homeip.net>2021-03-16 18:29:37 +0000
commitea35e8ede4c3a522375d4539c872e8a6d6c9830a (patch)
treeb0569f5ffe9b92b407bde67f501a0a79a2cf78e5
parentAllow activities to be changed when doing them (diff)
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Implement goto so node
Encompasses determining a route and a distance to travel
-rw-r--r--application/main.cpp8
-rw-r--r--game/activities/go.cpp3
-rw-r--r--game/activities/go.h6
-rw-r--r--game/objectives/goto.cpp43
-rw-r--r--game/objectives/goto.h22
-rw-r--r--game/vehicles/train.cpp20
-rw-r--r--game/vehicles/vehicle.cpp5
7 files changed, 101 insertions, 6 deletions
diff --git a/application/main.cpp b/application/main.cpp
index df8828a..2fc9f99 100644
--- a/application/main.cpp
+++ b/application/main.cpp
@@ -1,11 +1,16 @@
#include <SDL2/SDL.h>
+#include <array>
#include <chrono>
#include <collection.hpp>
#include <game/activities/go.h>
#include <game/activities/idle.h>
#include <game/activity.h>
#include <game/gamestate.h>
+#include <game/network/link.h>
#include <game/network/rail.h>
+#include <game/objective.h>
+#include <game/objectives/goto.h>
+#include <game/orders.h>
#include <game/terrain.h>
#include <game/vehicles/railVehicle.h>
#include <game/vehicles/railVehicleClass.h>
@@ -109,6 +114,9 @@ public:
for (int N = 0; N < 6; N++) {
train->create<RailVehicle>(b47);
}
+ train->orders.removeAll();
+ train->orders.create<GoTo>(&train->orders, l3->ends[1], l3->length, rl->findNodeAt({-1100, 15, -450}));
+ train->currentActivity = train->orders.current()->createActivity();
}
Shader shader;
diff --git a/game/activities/go.cpp b/game/activities/go.cpp
new file mode 100644
index 0000000..767e59c
--- /dev/null
+++ b/game/activities/go.cpp
@@ -0,0 +1,3 @@
+#include "go.h"
+
+Go::Go(float d) : dist {d} { }
diff --git a/game/activities/go.h b/game/activities/go.h
index 858b804..54af31b 100644
--- a/game/activities/go.h
+++ b/game/activities/go.h
@@ -1,10 +1,16 @@
#ifndef GO_H
#define GO_H
+#include "../activity.h"
#include "../activityOf.h"
+#include <optional>
class Go : public Activity::Of<Go> {
public:
+ Go() = default;
+ explicit Go(float dist);
+
+ std::optional<float> dist;
};
#endif
diff --git a/game/objectives/goto.cpp b/game/objectives/goto.cpp
new file mode 100644
index 0000000..c089bc3
--- /dev/null
+++ b/game/objectives/goto.cpp
@@ -0,0 +1,43 @@
+#include "goto.h"
+#include <algorithm>
+#include <game/activities/go.h>
+#include <game/activity.h>
+#include <game/network/link.h>
+#include <game/network/routeWalker.h>
+#include <game/objective.h>
+#include <memory>
+#include <numeric>
+#include <vector>
+
+GoTo::GoTo(Orders * o, const Link::End & cp, float d, const NodePtr & dest) :
+ Objective(o), links(RouteWalker().findRouteTo(cp, dest)), startDist {d}
+{
+}
+
+ActivityPtr
+GoTo::createActivity() const
+{
+ return std::make_unique<Go>(std::accumulate(links.begin(), links.end(), 0,
+ [](auto p, const auto & l) {
+ return p += l.first.lock()->length;
+ })
+ + startDist
+
+ );
+}
+
+inline bool
+operator==(const Link::Next & l, const Link::Next & n)
+{
+ return l.second == n.second && l.first.lock() == n.first.lock();
+}
+
+Link::Next
+GoTo::navigate(Link::Nexts::const_iterator begin, Link::Nexts::const_iterator end) const
+{
+ const auto nextStep = std::find_first_of(links.begin(), links.end(), begin, end);
+ if (nextStep == links.end()) {
+ return *begin;
+ }
+ return *nextStep;
+}
diff --git a/game/objectives/goto.h b/game/objectives/goto.h
new file mode 100644
index 0000000..01e47ae
--- /dev/null
+++ b/game/objectives/goto.h
@@ -0,0 +1,22 @@
+#ifndef GOTO_H
+#define GOTO_H
+
+#include <game/activity.h>
+#include <game/network/link.h>
+#include <game/objective.h>
+
+class Orders;
+
+class GoTo : public Objective {
+public:
+ GoTo(Orders * os, const Link::End &, float, const NodePtr & dest);
+
+ [[nodiscard]] ActivityPtr createActivity() const override;
+ [[nodiscard]] Link::Next navigate(Link::Nexts::const_iterator, Link::Nexts::const_iterator) const override;
+
+private:
+ Link::Nexts links;
+ float startDist;
+};
+
+#endif
diff --git a/game/vehicles/train.cpp b/game/vehicles/train.cpp
index 874db46..14753c0 100644
--- a/game/vehicles/train.cpp
+++ b/game/vehicles/train.cpp
@@ -6,6 +6,7 @@
#include "location.hpp"
#include <algorithm>
#include <functional>
+#include <optional>
#include <utility>
void
@@ -33,11 +34,24 @@ Train::tick(TickDuration dur)
}
void
-Train::doActivity(Go *, TickDuration dur)
+Train::doActivity(Go * go, TickDuration dur)
{
const auto maxSpeed = objects.front()->rvClass->maxSpeed;
- if (speed != maxSpeed) {
- speed += ((maxSpeed - speed) * dur.count());
+ if (go->dist) {
+ *go->dist -= speed * dur.count();
+ if (*go->dist < (speed * speed) / 60.F) {
+ speed -= std::min(speed, 30.F * dur.count());
+ }
+ else {
+ if (speed != maxSpeed) {
+ speed += ((maxSpeed - speed) * dur.count());
+ }
+ }
+ }
+ else {
+ if (speed != maxSpeed) {
+ speed += ((maxSpeed - speed) * dur.count());
+ }
}
}
diff --git a/game/vehicles/vehicle.cpp b/game/vehicles/vehicle.cpp
index cd2331d..8730d6d 100644
--- a/game/vehicles/vehicle.cpp
+++ b/game/vehicles/vehicle.cpp
@@ -1,8 +1,8 @@
#include "vehicle.h"
+#include "game/activities/idle.h"
#include "game/activity.h"
#include "game/network/link.h"
#include "game/objective.h"
-#include "game/objectives/freeroam.h"
#include "game/orders.h"
#include "game/vehicles/linkHistory.h"
#include <algorithm>
@@ -18,8 +18,7 @@
Vehicle::Vehicle(const LinkPtr & l, float ld) : linkDist {ld}
{
linkHist.add(l, 0);
- orders.create<FreeRoam>(&orders);
- currentActivity = orders.current()->createActivity();
+ currentActivity = std::make_unique<Idle>();
}
void