New effect: Cough (#285)

Author: gromchek

src/gtasa/effects/custom/ped/CoughEffect.cpp

@@ -0,0 +1,84 @@
+#include "util/EffectBase.h"
+#include "util/GenericUtil.h"
+
+#include <extensions/ScriptCommands.h>
+
+using namespace plugin;
+
+class CoughEffect : public EffectBase
+{
+private:
+    int       timer              = 0;
+    const int MIN_COUGH_TIME_SEC = 3;
+    const int MAX_COUGH_TIME_SEC = 4;
+    const int MAX_WAIT_TIME_SEC  = 7;
+    const int MIN_WAIT_TIME_SEC  = 5;
+    bool      isPlayerOnly       = false;
+
+public:
+    CoughEffect (bool playerOnly) : isPlayerOnly (playerOnly) {}
+
+    void
+    OnStart (EffectInstance *inst) override
+    {
+        timer = inst->Random (MIN_WAIT_TIME_SEC, MAX_WAIT_TIME_SEC) * 1000;
+    }
+
+    void
+    OnTick (EffectInstance *inst) override
+    {
+        timer -= int (GenericUtil::CalculateTick ());
+        if (timer > 0) return;
+
+        timer = inst->Random (MIN_WAIT_TIME_SEC, MAX_WAIT_TIME_SEC) * 1000;
+        GameUtil::SetVehiclesToRealPhysics ();
+
+        if (isPlayerOnly)
+        {
+            DoCoughEffect (FindPlayerPed (), inst);
+        }
+        else
+        {
+            for (CPed *ped : CPools::ms_pPedPool)
+            {
+                if (inst->Random (0, 100000) % 3 == 0) continue;
+
+                DoCoughEffect (ped, inst);
+            }
+        }
+    }
+
+    void
+    DoCoughEffect (CPed *ped, EffectInstance *inst)
+    {
+        if (!ped) return;
+
+        auto *vehicle = ped->m_pVehicle;
+        if (vehicle && vehicle->m_pDriver == ped
+            && vehicle->m_vecMoveSpeed.Magnitude () > 0.15f)
+        {
+            auto speed = vehicle->m_vecMoveSpeed.Magnitude ()
+                         * (inst->Random (0, 1) ? 0.12f : -0.12f);
+            vehicle->m_vecTurnSpeed.z = speed;
+        }
+        if (!ped->m_nPedFlags.bInVehicle)
+        {
+            int sec
+                = inst->Random (MIN_COUGH_TIME_SEC, MAX_COUGH_TIME_SEC) * 1000;
+            Command<eScriptCommands::COMMAND_TASK_PLAY_ANIM_NON_INTERRUPTABLE> (
+                ped, "gas_cwr", "ped", 4.0, 1, 1, 1, 0, sec);
+        }
+        ped->m_fHealth -= ped->m_fMaxHealth * 0.02f;
+        ped->m_fHealth = std::max (0.0f, ped->m_fHealth);
+
+        int res        = 0;
+        int speechBank = 340;
+        Command<eScriptCommands::COMMAND_SET_CHAR_SAY_CONTEXT_IMPORTANT> (
+            ped, speechBank, 1, 1, 1 & res);
+    }
+};
+
+DEFINE_EFFECT (CoughEffect, "effect_cough_player",
+               GROUP_HEALTH | GROUP_CONTROLS, true);
+DEFINE_EFFECT (CoughEffect, "effect_cough_everyone",
+               GROUP_HEALTH | GROUP_CONTROLS, false);