chore: Add course material

2026-10-05 11:27:21 +02:00
parent 971813c351
commit e8241fd1ff
660 changed files with 26658 additions and 1 deletions
@@ -0,0 +1,79 @@
+#include "Pole.h"
+#include "Screen.h"
+
+Pole::Pole(int x, int y, Pelican &p) : waitLight(new Light("WAIT", x + 6, y + 12, Screen::WHITE)), myPelican(p) {
+    myPelican.attach(*this);
+
+    using namespace Screen; // we will discuss namespaces in the course
+
+    lights[RED_LIGHT] = new Light("*", x + 11, y + 3, RED);
+    lights[RED_MAN] = new Light("*<-=", x + 6, y + 4, RED);
+    lights[YELLOW_LIGHT] = new Light("*", x + 11, y + 5, YELLOW);
+    lights[GREEN_LIGHT] = new Light("*", x + 11, y + 7, GREEN);
+    lights[GREEN_MAN] = new Light("*|-<", x + 6, y + 7, GREEN);
+
+    write("       _____         ", x, ++y, GRAY);
+    write("      /___ /|        ", x, ++y, GRAY);
+    write("     |    | |        ", x, ++y, GRAY);
+    write("     |    |/|        ", x, ++y, GRAY);
+    write("     |____| |        ", x, ++y, GRAY);
+    write("     |    |/|        ", x, ++y, GRAY);
+    write("     |    | |        ", x, ++y, GRAY);
+    write("     |____|/         ", x, ++y, GRAY);
+    write("       _||__         ", x, ++y, GRAY);
+    write("      /___ /|        ", x, ++y, GRAY);
+    write("     |    | |        ", x, ++y, GRAY);
+    write("     |    | |        ", x, ++y, GRAY);
+    write("     |____|/         ", x, ++y, GRAY);
+    write("        ||           ", x, ++y, GRAY);
+    write("        ||           ", x, ++y, GRAY);
+    write("        ||           ", x, ++y, GRAY);
+    write("        ||           ", x, ++y, GRAY);
+    write("        ||           ", x, ++y, GRAY);
+    write("        ||           ", x, ++y, GRAY);
+    write("========||===========", x, ++y, GRAY);
+    write("    /   ||     /     ", x, ++y, GRAY);
+    write("_ /_________ /_      ", x, ++y, GRAY);
+    write("/          /         ", x, ++y, GRAY);
+
+    // the only time we need to ask the Pelican its state is at start up
+    update(Hint());
+}
+
+Pole::~Pole() {
+    for (int i = 0; i < sizeof lights / sizeof(lights[0]); ++i)
+        delete lights[i];
+    delete waitLight;
+}
+
+void Pole::setTrafficLights(Pelican::PelicanState state) {
+    static const Light::LightState LightStates[Pelican::YELLOW_STATE + 1][RED_MAN + 1] = {
+        //  red         yellow        green       green man     red man
+        {Light::ON, Light::OFF, Light::OFF, Light::ON, Light::OFF},       // red
+        {Light::OFF, Light::FLASH, Light::OFF, Light::FLASH, Light::OFF}, // y flash
+        {Light::OFF, Light::OFF, Light::ON, Light::OFF, Light::ON},       // g time
+        {Light::OFF, Light::OFF, Light::ON, Light::OFF, Light::ON},       // g idle
+        {Light::OFF, Light::ON, Light::OFF, Light::OFF, Light::ON}        // yellow
+    };
+
+    for (int i = RED_LIGHT; i <= RED_MAN; i++) {
+        lights[i]->set(LightStates[state][i]);
+    }
+}
+
+void Pole::setWaitLight(bool pressed) { waitLight->set(pressed ? Light::ON : Light::OFF); }
+
+void Pole::update(const Hint &h) {
+    const WaitHint *waitHintPtr;
+    const LightHint *lightHintPtr;
+
+    if ((waitHintPtr = dynamic_cast<const WaitHint *>(&h)) != 0) {
+        setWaitLight(waitHintPtr->pressed);
+    } else if ((lightHintPtr = dynamic_cast<const LightHint *>(&h)) != 0) {
+        setTrafficLights(lightHintPtr->state);
+    } else {
+        // don't know what's changed, so update everything
+        setTrafficLights(myPelican.getState());
+        setWaitLight(myPelican.isPressed());
+    }
+}