split render function

[space.git] / src / app / Application.cpp

diff --git a/src/app/Application.cpp b/src/app/Application.cpp
index 488b952243b94880e12886185d0b612080466b81..6a217666015bb228f9588e1214dd6e92a4063a2f 100644 (file)
--- a/src/app/Application.cpp
+++ b/src/app/Application.cpp
@@ -11,9 +11,29 @@ Application::Application(Canvas &c)
 , univ(Vector<int>(10, 10), Vector<int>(10, 10), Vector<int>(10, 10))
 , focus(Vector<float>(500, 500), 500)
 , cam(c.Size(), focus.Pos())
+, controlled(univ.AddShip(Ship()))
+, linGauge(
+       Vector<int>(15, 100),
+       Vector<int>(10, 10),
+       Color(0xFF, 0xFF, 0xFF),
+       Color(0x00, 0x00, 0x00),
+       Color(0x00, 0xFF, 0x00),
+       Color(0xFF, 0x00, 0x00))
+, rotGauge(
+       Vector<int>(15, 100),
+       Vector<int>(27, 10),
+       Color(0xFF, 0xFF, 0xFF),
+       Color(0x00, 0x00, 0x00),
+       Color(0x33, 0x33, 0xFF),
+       Color(0x00, 0x00, 0xFF))
+, autopilot(*controlled, focus.Pos())
+, apEnabled(false)
 , last(SDL_GetTicks())
-, running(false) {
-       controlled = univ.AddEntity(Entity());
+, running(false)
+, paused(false) {
+       univ.AddResource(Resource("Liquid Hydrogen", 70));
+       univ.AddResource(Resource("Liquid Qxygen", 1141));
+       univ.AddResource(Resource("Water", 999));
 }
 
 
@@ -30,7 +50,14 @@ void Application::Run() {
 
 void Application::Loop(int delta) {
        HandleEvents();
-       Update(delta);
+       if (delta == 0) {
+               SDL_Delay(1);
+               return;
+       }
+
+       if (!paused) {
+               Update(delta);
+       }
        Render();
        canvas.Present();
 }
@@ -97,6 +124,12 @@ void Application::OnKeyDown(const SDL_KeyboardEvent &e) {
                case SDLK_x:
                        cam.StartShrink();
                        break;
+               case SDLK_c:
+                       apEnabled = !apEnabled;
+                       break;
+               case SDLK_p:
+                       paused = !paused;
+                       break;
                default:
                        break;
        }
@@ -142,7 +175,12 @@ void Application::OnKeyUp(const SDL_KeyboardEvent &e) {
 
 void Application::Update(int dt) {
        const float delta = dt / 1e3;
-       controlled->acc = Vector<float>(control * 10);
+       if (apEnabled) {
+               autopilot.Update(delta);
+       } else {
+               controlled->rotThrottle = control.x;
+               controlled->linThrottle = -control.y;
+       }
        cam.Update(delta);
        univ.Update(delta);
        focus.SetSpeed(500 / cam.Zoom());
@@ -151,14 +189,22 @@ void Application::Update(int dt) {
 
 
 void Application::Render() {
+       RenderBackground();
+       RenderGrid();
+       RenderShips();
+       RenderUI();
+}
+
+void Application::RenderBackground() {
        constexpr Color background(0x00, 0x00, 0x00);
-       constexpr Color univGrid(0xEE, 0xEE, 0xEE);
-       constexpr Color secGrid(0x77, 0x77, 0x77);
-       constexpr Color entityColor(0x00, 0xAA, 0xAA);
-       constexpr Color focusColor(0xFA, 0xFA, 0x00);
 
        canvas.SetColor(background);
        canvas.Fill();
+}
+
+void Application::RenderGrid() {
+       constexpr Color univGrid(0xEE, 0xEE, 0xEE);
+       constexpr Color secGrid(0x77, 0x77, 0x77);
 
        canvas.Grid2(
                cam.ToScreen(Vector<float>(0, 0)),
@@ -167,16 +213,33 @@ void Application::Render() {
                univ.secSize,
                secGrid,
                univGrid);
+}
+
+void Application::RenderShips() {
+       constexpr Color shipColor(0x00, 0xAA, 0xAA);
+
+       canvas.SetColor(shipColor);
+       for (const Ship &s : univ.Ships()) {
+               const Vector<float> direction = s.Dir();
+               const Vector<int> position = cam.ToScreen(s.pos);
+               const Vector<int> nose = position + Vector<int>(direction * 15.0f);
+               const Vector<int> left = position + Vector<int>((Rotate90(direction) * 8.0f) - (direction * 4.0f));
+               const Vector<int> right = position + Vector<int>((Rotate270(direction) * 8.0f) - (direction * 4.0f));
+               canvas.Line(position, nose);
+               canvas.Quad(nose, left, position, right);
+       }
+}
+
+void Application::RenderUI() {
+       constexpr Color focusColor(0xFA, 0xFA, 0x00);
+
+       autopilot.Render(canvas, cam);
+
+       linGauge.Render(canvas, controlled->linThrottle);
+       rotGauge.Render(canvas, controlled->rotThrottle);
 
        canvas.SetColor(focusColor);
        canvas.Cross(cam.ToScreen(focus.Pos()), 15);
-
-       canvas.SetColor(entityColor);
-       for (const Entity &e : univ.Entities()) {
-               canvas.Cross(
-                       cam.ToScreen(Vector<float>(e.area * univ.areaSize) + e.pos),
-                       10);
-       }
 }
 
 }