Improved "Spawn UFO" effect

ChaosMod/ChaosMod.vcxproj

@@ -110,6 +110,7 @@
     <ClCompile Include="Effects\db\Misc\MiscNoSky.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscRampJam.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscFakeCrash.cpp" />
+    <ClCompile Include="Effects\db\Misc\MiscSpawnUfo.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscStuffGuns.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscSuperStunt.cpp" />
     <ClCompile Include="Effects\db\Misc\MiscVehicleRain.cpp" />

ChaosMod/Effects/db/Misc/MiscSpawnController.cpp

@@ -11,27 +11,15 @@ static void SpawnProp(const char* propName)
 	SET_MODEL_AS_NO_LONGER_NEEDED(model);
 }
 
-static void OnStartUFO()
-{
-	SpawnProp("p_spinning_anus_s");
-}
-
-static RegisterEffect registerEffect(EFFECT_SPAWN_UFO, OnStartUFO, EffectInfo
-	{
-		.Name = "Spawn UFO",
-		.Id = "misc_spawnufo",
-		.EEffectGroupType = EEffectGroupType::SpawnGeneric
-	}
-);
 static void OnStartFerrisWheel()
 {
 	SpawnProp("prop_ld_ferris_wheel");
 }
 
-static RegisterEffect registerEffect2(EFFECT_SPAWN_FERRISWHEEL, OnStartFerrisWheel, EffectInfo
+static RegisterEffect registerEffect(EFFECT_SPAWN_FERRISWHEEL, OnStartFerrisWheel, EffectInfo
 	{
 		.Name = "Spawn Ferris Wheel",
 		.Id = "misc_spawnferriswheel",
 		.EEffectGroupType = EEffectGroupType::SpawnGeneric
 	}
-);
+);

ChaosMod/Effects/db/Misc/MiscSpawnUfo.cpp

@@ -0,0 +1,334 @@
+/*
+	Author: Kanawanagasaki
+*/
+
+#include <algorithm>
+#include <math.h>
+#include <random>
+#include <stdafx.h>
+
+#include "Memory/Physics.h"
+#include "Util/Text.h"
+
+struct UfoData
+{
+	Object prop;
+	Ped target;
+	Vector3 destination = Vector3();
+	Vector3 prevDestination = Vector3();
+	Vector3 velocity = Vector3();
+	Vector3 acceleration = Vector3();
+	bool isElevating = false;
+	bool isRunningAway = false;
+	bool fadeOut = false;
+	int opacity = 255;
+};
+
+const float UFO_RADIUS = 26.f;
+const int MAX_UFO_AMOUNT = 3;
+const int SPAWN_INTERVAL = 13000;
+static Vector3 DROP_POS = Vector3(-1130.f, 4925.f, 350.f);
+
+static std::vector<UfoData> ufoList = {};
+static int prevTick = 0;
+static int prevSpawnTick = 0;
+static Camera ufoCamera = 0;
+
+static Ped GetPedForUfo()
+{
+	Ped player = PLAYER_PED_ID();
+
+	// 10% chance to select a player
+	if (g_Random.GetRandomInt(1, 10) == 1)
+	{
+		for (auto ufo : ufoList)
+			if (ufo.target == player)
+				return 0;
+		return player;
+	}
+
+	// ped should be closest to player
+	Vector3 playerPos = GET_ENTITY_COORDS(player, false);
+	auto peds = GetAllPeds().ToArray();
+
+	Ped ret = 0;
+	float minDist = 1000.f;
+
+	for (Ped ped : peds)
+	{
+		// ped shouldn't be a player
+		if (ped == player)
+			continue;
+
+		Vector3 pedPos = GET_ENTITY_COORDS(ped, false);
+
+		// ped shouldn't be in range (ignoring z) of another ufo so ufos not end up being in each other, also ped
+		// shouldn't be targeted already
+		for (auto ufo : ufoList)
+		{
+			Vector3 ufoPos = GET_ENTITY_COORDS(ufo.prop, false);
+
+			float distanceToUfo =
+				GET_DISTANCE_BETWEEN_COORDS(pedPos.x, pedPos.y, pedPos.z, ufoPos.x, ufoPos.y, ufoPos.z, 0);
+			if (distanceToUfo < UFO_RADIUS * 2)
+				continue;
+			if (ufo.target == ped)
+				continue;
+		}
+
+		float distance =
+			GET_DISTANCE_BETWEEN_COORDS(pedPos.x, pedPos.y, pedPos.z, playerPos.x, playerPos.y, playerPos.z, 0);
+		if (distance < minDist)
+		{
+			ret = ped;
+			minDist = distance;
+		}
+	}
+
+	return ret;
+}
+
+static void OnStart()
+{
+	prevSpawnTick = GET_GAME_TIMER() - SPAWN_INTERVAL;
+	prevTick = GET_GAME_TIMER();
+}
+
+static Object ufoTest = 0;
+
+static void OnTick()
+{
+	int currTick = GET_GAME_TIMER();
+	Vector3 playerPos = GET_ENTITY_COORDS(PLAYER_PED_ID(), false);
+
+	// attempt to create more UFOs
+	if (ufoList.size() < MAX_UFO_AMOUNT && currTick - prevSpawnTick >= SPAWN_INTERVAL)
+	{
+		Ped ped = GetPedForUfo();
+		if (ped)
+		{
+			Vector3 pedPos = GET_ENTITY_COORDS(ped, false);
+
+			float angle = g_Random.GetRandomFloat(0, 6.28318f);
+
+			Hash model = GET_HASH_KEY("p_spinning_anus_s");
+			Object prop =
+				CreatePoolProp(model, pedPos.x + cos(angle) * 100, pedPos.y + sin(angle) * 100, pedPos.z + 200, true);
+			SET_ENTITY_COLLISION(prop, false, false);
+
+			ufoList.push_back(UfoData{ prop, ped, Vector3(pedPos.x, pedPos.y, pedPos.z + 100.f) });
+		}
+
+		prevSpawnTick = currTick;
+	}
+
+	// seconds between ticks
+	float timeDiff = static_cast<float>(currTick - prevTick) / 1000.f;
+
+	for (int i = 0; i < ufoList.size(); i++)
+	{
+		UfoData& ufo = ufoList[i];
+
+		if (!DOES_ENTITY_EXIST(ufo.prop))
+		{
+			ufoList.erase(ufoList.begin() + i);
+			i--;
+			continue;
+		}
+
+		Vector3 ufoPos = GET_ENTITY_COORDS(ufo.prop, false);
+
+		// despawn ufo if it is far away
+		if (GET_DISTANCE_BETWEEN_COORDS(ufoPos.x, ufoPos.y, ufoPos.z, playerPos.x, playerPos.y, playerPos.z, 0) > 1000)
+		{
+			DELETE_OBJECT(&ufo.prop);
+			ufoList.erase(ufoList.begin() + i);
+			i--;
+			continue;
+		}
+
+		// trying to get another ped in case the ped despawned
+		if (!DOES_ENTITY_EXIST(ufo.target))
+		{
+			Ped ped = GetPedForUfo();
+			if (ped == 0)
+				continue;
+
+			ufo.target = ped;
+			ufo.isElevating = false;
+			ufo.isRunningAway = false;
+			ufo.fadeOut = false;
+		}
+
+		Entity target = ufo.target;
+		Vector3 targetPos;
+		if (IS_PED_IN_ANY_VEHICLE(ufo.target, false))
+		{
+			Vehicle vehicle = GET_VEHICLE_PED_IS_IN(ufo.target, false);
+			targetPos = GET_ENTITY_COORDS(vehicle, false);
+			target = vehicle;
+		}
+		else
+			targetPos = GET_ENTITY_COORDS(ufo.target, false);
+
+		ufo.acceleration = ufo.destination - ufo.velocity * 1.5 - ufoPos;
+		ufo.velocity = ufo.velocity + ufo.acceleration * timeDiff;
+		ufoPos = ufoPos + ufo.velocity * timeDiff;
+		SET_ENTITY_COORDS(ufo.prop, ufoPos.x, ufoPos.y, ufoPos.z, false, false, false, false);
+		Vector3 distance = ufo.destination - ufoPos;
+
+		// ufo logic
+		// fade out is the last stage, after we drop the ped into the cannibal camp
+		if (ufo.fadeOut)
+		{
+			if (ufo.opacity > 0)
+			{
+				ufo.opacity--;
+				SET_ENTITY_ALPHA(ufo.prop, ufo.opacity, false);
+			}
+			else
+			{
+				DELETE_OBJECT(&ufo.prop);
+				ufoList.erase(ufoList.begin() + i);
+				i--;
+				continue;
+			}
+		}
+		// isRunningAway is a stage when the ufo picked up a ped and is now flying to the cannibal camp
+		else if (ufo.isRunningAway)
+		{
+			Vector3 toDropPosVec = DROP_POS - ufo.destination;
+			if (toDropPosVec.Length() < 400)
+				ufo.destination = DROP_POS;
+			else
+				ufo.destination = ufo.destination + toDropPosVec * (350.f / toDropPosVec.Length()) * timeDiff;
+
+			if (IS_ENTITY_A_PED(target) && !IS_PED_RAGDOLL(target))
+				SET_PED_TO_RAGDOLL(target, 5000, 5000, 0, true, true, false);
+
+			float fullPathLen = GET_DISTANCE_BETWEEN_COORDS(DROP_POS.x, DROP_POS.y, DROP_POS.z, ufo.prevDestination.x,
+				ufo.prevDestination.y, ufo.prevDestination.z, 0);
+			float restPathLen =
+				GET_DISTANCE_BETWEEN_COORDS(DROP_POS.x, DROP_POS.y, DROP_POS.z, ufoPos.x, ufoPos.y, ufoPos.z, 0);
+
+			float progress = 1 - restPathLen / fullPathLen;
+
+			SET_ENTITY_COORDS(target, ufoPos.x, ufoPos.y, ufoPos.z, false, false, false, false);
+
+			SET_ENTITY_COORDS(ufo.prop, ufoPos.x, ufoPos.y,
+				ufo.prevDestination.z + (DROP_POS.z - ufo.prevDestination.z) * progress
+				+ sin(progress * 3.14159f) * 500.f,
+				false, false, false, false);
+
+			if (distance.Length() < 10.f && ufo.velocity.Length() < 15.f)
+			{
+				ufo.isRunningAway = false;
+				ufo.fadeOut = true;
+
+				if (ufoCamera && PLAYER_PED_ID() == ufo.target)
+				{
+					CAM::SET_CAM_ACTIVE(ufoCamera, false);
+					CAM::RENDER_SCRIPT_CAMS(false, true, 700, 1, 1, 1);
+					CAM::DESTROY_CAM(ufoCamera, true);
+					ufoCamera = 0;
+				}
+			}
+			else if (ufoCamera && PLAYER_PED_ID() == ufo.target)
+			{
+				CAM::SET_CAM_ACTIVE(ufoCamera, true);
+				Vector3 rot = CAM::GET_GAMEPLAY_CAM_ROT(2);
+				Vector3 rotRad = rot / 180.f * 3.14159f;
+				Vector3 camDir = Vector3(-sin(rotRad.z) * cos(rotRad.x), cos(rotRad.z) * cos(rotRad.x), sin(rotRad.x));
+				Vector3 coords = ufoPos - camDir * 100.f;
+
+				float fov = CAM::GET_GAMEPLAY_CAM_FOV();
+				CAM::SET_CAM_PARAMS(ufoCamera, coords.x, coords.y, coords.z, rot.x, rot.y, rot.z, fov, 700, 0, 0, 2);
+			}
+		}
+		// isElevating is a stage when the ufo hovers above the target ped and elevates it inside itself
+		else if (ufo.isElevating)
+		{
+			if (IS_ENTITY_A_PED(target) && !IS_PED_RAGDOLL(target))
+				SET_PED_TO_RAGDOLL(target, 5000, 5000, 0, true, true, false);
+
+			float zForce = .50f;
+			if (ufoPos.z <= targetPos.z)
+				zForce = -.75f;
+			Memory::ApplyForceToEntity(target, 3, (ufoPos.x - targetPos.x) * 4 * timeDiff,
+				(ufoPos.y - targetPos.y) * 4 * timeDiff, zForce, 0, 0, 0, false, false, false,
+				true, false, true);
+
+			Vector3 ufoPedDir = targetPos - ufoPos;
+			if (ufoPedDir.Length() < 7)
+			{
+				Vector3 toDropPosVec = DROP_POS - ufoPos;
+				ufo.isElevating = false;
+				ufo.isRunningAway = true;
+				ufo.prevDestination = ufo.destination;
+				ufo.destination = ufoPos + toDropPosVec * (200.f / toDropPosVec.Length());
+
+				SET_ENTITY_COLLISION(target, true, false);
+				SET_ENTITY_COLLISION(ufo.target, true, false);
+
+				if (PLAYER_PED_ID() == ufo.target)
+				{
+					ufoCamera = CAM::CREATE_CAM("DEFAULT_SCRIPTED_CAMERA", 1);
+					CAM::RENDER_SCRIPT_CAMS(true, true, 700, 1, 1, 1);
+				}
+			}
+			else
+				DRAW_SPOT_LIGHT(ufoPos.x, ufoPos.y, ufoPos.z, ufoPedDir.x, ufoPedDir.y, ufoPedDir.z, 255, 255, 255, 500,
+					1.f, 0.f, 7.f, 1.f);
+		}
+		// first stage, ufo trying to position itself above the target ped
+		else
+		{
+			if (distance.Length() < 10)
+			{
+				ufo.isElevating = true;
+				SET_ENTITY_COLLISION(target, false, false);
+			}
+			else
+				ufo.destination = Vector3(targetPos.x, targetPos.y, targetPos.z + 75.f);
+		}
+	}
+
+	prevTick = currTick;
+}
+
+static void OnStop()
+{
+	for (int i = 0; i < ufoList.size(); i++)
+	{
+		UfoData& ufo = ufoList[i];
+		Object& prop = ufo.prop;
+
+		SET_ENTITY_COLLISION(ufo.target, true, false);
+		if (IS_ENTITY_A_PED(ufo.target) && IS_PED_IN_ANY_VEHICLE(ufo.target, false))
+		{
+			Vehicle vehicle = GET_VEHICLE_PED_IS_IN(ufo.target, false);
+			SET_ENTITY_COLLISION(vehicle, true, false);
+		}
+
+		if (DOES_ENTITY_EXIST(prop))
+			DELETE_OBJECT(&prop);
+	}
+
+	ufoList.clear();
+
+	if (ufoCamera)
+	{
+		CAM::SET_CAM_ACTIVE(ufoCamera, false);
+		CAM::RENDER_SCRIPT_CAMS(false, true, 700, 1, 1, 1);
+		CAM::DESTROY_CAM(ufoCamera, true);
+		ufoCamera = 0;
+	}
+}
+
+static RegisterEffect registerEffect(EFFECT_SPAWN_UFO, OnStart, OnStop, OnTick, EffectInfo
+	{
+		.Name = "Spawn UFO",
+		.Id = "misc_spawnufo",
+		.EEffectGroupType = EEffectGroupType::SpawnGeneric
+	}
+);