From 17909d029c6a8872b2fddf4e171d7925bbbe9c5c Mon Sep 17 00:00:00 2001
From: Paul Oliver <contact@pauloliver.dev>
Date: Thu, 29 Feb 2024 19:27:35 +0100
Subject: Initial commit

---
 Simulation/Corpse.cpp | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 Simulation/Corpse.cpp

(limited to 'Simulation/Corpse.cpp')

diff --git a/Simulation/Corpse.cpp b/Simulation/Corpse.cpp
new file mode 100644
index 0000000..82879ed
--- /dev/null
+++ b/Simulation/Corpse.cpp
@@ -0,0 +1,99 @@
+#include "Corpse.hpp"
+#include "SimBase.hpp"
+
+void Corpse::startup(SimBase *sim)
+{
+    hSim = sim;
+    radius = Params::CORPSE_RAD;
+}
+
+void Corpse::setup(b2Vec2 pos, b2Vec2 lVel, float angle, float aVel)
+{
+    if (!body)
+    {
+        return;
+    }
+
+    lifetime = hSim->prms.corpseDecayTime;
+    energy = hSim->prms.etFromCorpse;
+
+    body->SetTransform(pos, angle);
+    body->SetLinearVelocity(lVel);
+    body->SetAngularVelocity(aVel);
+}
+
+
+void Corpse::update()
+{
+    if (!body)
+    {
+        return;
+    }
+
+    if (hSim->prms.corpseDecay)
+    {
+        --lifetime;
+        energy = hSim->prms.etFromCorpse * ((float)lifetime / (float)hSim->prms.corpseDecayTime);
+    }
+
+    if (!lifetime || toBeDestroyed)
+    {
+        destroy();
+    }
+}
+
+
+void Corpse::destroy()
+{
+    if (hSim->camera.trgtBody == body)
+    {
+        hSim->camera.prevCrds = hSim->camera.currentCrds;
+        hSim->camera.trgtCrds = hSim->camera.currentCrds;
+        hSim->camera.step = 0;
+        hSim->camera.trgtBody = nullptr;
+    }
+
+    toBeDestroyed = false;
+    hSim->tank.world.DestroyBody(body);
+    body = nullptr;
+
+    --hSim->corpseCount;
+    hSim->text.corpseCnt.setString("Corpse count: " + nts(hSim->corpseCount));
+}
+
+
+void Corpse::draw()
+{
+    if (!body)
+    {
+        return;
+    }
+
+    sf::Vector2f vSize = hSim->window.getView().getSize();
+    sf::Vector2f vCent = hSim->window.getView().getCenter();
+    if ( body->GetPosition().x + radius < vCent.x - vSize.x / 2.f ||
+         body->GetPosition().y + radius < vCent.y - vSize.y / 2.f ||
+         body->GetPosition().x - radius > vCent.x + vSize.x / 2.f ||
+         body->GetPosition().y - radius > vCent.y + vSize.y / 2.f  )
+    {
+        return;
+    }
+
+    sf::Color corpseColor = mix(hSim->prms.corpseColor, hSim->prms.worldColor, ((float)lifetime / (float)hSim->prms.corpseDecayTime));
+    if (hSim->camera.zoom > Params::CORPSE_RAD / 2.f)
+    {
+        hSim->corpsePoint.setFillColor(corpseColor);
+        hSim->corpsePoint.setPosition(body->GetPosition().x, body->GetPosition().y);
+        hSim->window.draw(hSim->corpsePoint);
+    }
+    else
+    {
+        hSim->corpseShell.setOutlineColor(corpseColor);
+        hSim->corpseShell.setPosition(body->GetPosition().x, body->GetPosition().y);
+        hSim->corpseNucleus.setFillColor(corpseColor);
+        hSim->corpseNucleus.setPosition(body->GetPosition().x, body->GetPosition().y);
+        hSim->corpseNucleus.setRotation(body->GetAngle() * Params::RAD_DGRS);
+        hSim->window.draw(hSim->corpseShell);
+        hSim->window.draw(hSim->corpseNucleus);
+    }
+}
-- 
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