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https://github.com/TombEngine/TombEngine.git
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215 lines
6.9 KiB
C++
215 lines
6.9 KiB
C++
#include <algorithm>
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#include "framework.h"
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#include "Specific\trmath.h"
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#include "smoke.h"
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#include "room.h"
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#include "control/control.h"
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#include "level.h"
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#include "setup.h"
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#include "lara.h"
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#include "Specific\prng.h"
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#include "effects\weather.h"
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#include "items.h"
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using namespace TEN::Effects::Environment;
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using namespace TEN::Math::Random;
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namespace TEN {
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namespace Effects {
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namespace Smoke {
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std::array<SmokeParticle, 128> SmokeParticles;
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SmokeParticle& GetFreeSmokeParticle()
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{
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for (int i = 0; i < SmokeParticles.size(); i++)
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{
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if (!SmokeParticles[i].active)
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return SmokeParticles[i];
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}
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return SmokeParticles[0];
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}
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void DisableSmokeParticles()
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{
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for (int i = 0; i < SmokeParticles.size(); i++)
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SmokeParticles[i].active = false;
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}
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void UpdateSmokeParticles()
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{
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for (int i = 0; i < SmokeParticles.size(); i++) {
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SmokeParticle& s = SmokeParticles[i];
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if (!s.active)continue;
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s.age += 1;
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if (s.age > s.life) {
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s.active = false;
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continue;
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}
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s.velocity.y += s.gravity;
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if (s.terminalVelocity != 0) {
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float velocityLength = s.velocity.Length();
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if (velocityLength > s.terminalVelocity) {
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s.velocity *= (s.terminalVelocity / velocityLength);
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}
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}
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s.position += s.velocity;
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if (s.affectedByWind) {
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if (g_Level.Rooms[s.room].flags & ENV_FLAG_WIND) {
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s.position.x += Weather.Wind().x;
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s.position.z += Weather.Wind().z;
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}
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}
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float normalizedLife = std::clamp(s.age / s.life,0.0f,1.0f);
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s.size = lerp(s.sourceSize, s.destinationSize, normalizedLife);
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s.angularVelocity *= s.angularDrag;
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s.rotation += s.angularVelocity;
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s.color = DirectX::SimpleMath::Vector4::Lerp(s.sourceColor, s.destinationColor, normalizedLife);
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int numSprites = -Objects[ID_SMOKE_SPRITES].nmeshes;
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s.sprite = lerp(0, numSprites - 1, normalizedLife);
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}
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}
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void TriggerFlareSmoke(const DirectX::SimpleMath::Vector3& pos, DirectX::SimpleMath::Vector3& direction, int age, int room) {
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using namespace DirectX::SimpleMath;
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SmokeParticle & s = GetFreeSmokeParticle();
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s = {};
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s.position = pos;
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s.age = 0;
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constexpr float d = 0.2f;
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Vector3 randomDir = Vector3(GenerateFloat(-d, d), GenerateFloat(-d, d), GenerateFloat(-d, d));
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Vector3 dir;
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(direction + randomDir).Normalize(dir);
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s.velocity = dir * GenerateFloat(7, 9);
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s.gravity = -0.2f;
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s.friction = GenerateFloat(0.7f, 0.85f);
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s.sourceColor = Vector4(1, 131 / 255.0f, 100 / 255.0f, 1);
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s.destinationColor = Vector4(1, 1, 1, 0);
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s.life = GenerateFloat(25, 35);
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s.angularVelocity = GenerateFloat(-0.3f, 0.3f);
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s.angularDrag = 0.97f;
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s.sourceSize = age > 4 ? GenerateFloat(16, 24) : GenerateFloat(100, 128);
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s.destinationSize = age > 4 ? GenerateFloat(160, 200) : GenerateFloat(256, 300);
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s.affectedByWind = true;
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s.active = true;
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s.room = room;
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}
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//TODO: add additional "Weapon Special" param or something. Currently initial == 2 means Rocket Launcher backwards smoke.
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//TODO: Refactor different weapon types out of it
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void TriggerGunSmokeParticles(int x, int y, int z, int xv, int yv, int zv, byte initial, int weaponType, byte count)
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{
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SmokeParticle& s = GetFreeSmokeParticle();
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s = {};
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s.active = true;
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s.position = Vector3(x, y, z);
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Vector3 dir = Vector3(xv, yv, zv);
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dir.Normalize();
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s.velocity = dir;
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s.gravity = -.1f;
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s.affectedByWind = g_Level.Rooms[LaraItem->roomNumber].flags & ENV_FLAG_WIND;
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s.sourceColor = Vector4(.4, .4, .4, 1);
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s.destinationColor = Vector4(0, 0, 0, 0);
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if (initial)
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{
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if(weaponType == LARA_WEAPON_TYPE::WEAPON_ROCKET_LAUNCHER){
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float size = GenerateFloat(48, 80);
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s.sourceSize = size * 2;
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s.destinationSize = size * 8;
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s.sourceColor = {0.75,0.75,1,1};
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s.terminalVelocity = 0;
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s.friction = 0.82f;
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s.life = GenerateFloat(60, 90);
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if(initial == 1){
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float size = GenerateFloat(48, 80);
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s.sourceSize = size * 2;
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s.destinationSize = size * 16;
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s.velocity = getRandomVectorInCone(dir,25);
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s.velocity *= GenerateFloat(0, 32);
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} else{
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float size = GenerateFloat(48, 80);
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s.sourceSize = size;
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s.destinationSize = size * 8;
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s.velocity = getRandomVectorInCone(dir,3);
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s.velocity *= GenerateFloat(0, 16);
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}
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} else{
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float size = GenerateFloat(48, 73);
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s.sourceSize = size * 2;
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s.destinationSize = size * 8;
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s.terminalVelocity = 0;
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s.friction = 0.88f;
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s.life = GenerateFloat(60, 90);
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s.velocity = getRandomVectorInCone(dir, 10);
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s.velocity *= GenerateFloat(16, 30);
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}
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}
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else
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{
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float size = (float)((GetRandomControl() & 0x0F) + 48); // -TriggerGunSmoke_SubFunction(weaponType);
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if(weaponType == LARA_WEAPON_TYPE::WEAPON_ROCKET_LAUNCHER){
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s.sourceColor = {0.75,0.75,1,1};
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}
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s.sourceSize = size / 2;
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s.destinationSize = size * 4;
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s.terminalVelocity = 0;
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s.friction = 0.97f;
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s.life = GenerateFloat(42, 62);
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s.velocity *= GenerateFloat(16, 40);
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}
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s.position = Vector3(x, y, z);
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s.position += Vector3(GenerateFloat(-8, 8), GenerateFloat(-8, 8), GenerateFloat(-8, 8));
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s.angularVelocity = GenerateFloat(-PI / 4, PI / 4);
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s.angularDrag = 0.95f;
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s.room = LaraItem->roomNumber;
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}
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void TriggerQuadExhaustSmoke(int x, int y, int z, short angle, int speed, int moving)
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{
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SmokeParticle& s = GetFreeSmokeParticle();
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s = {};
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s.position = Vector3(x, y, z) + Vector3(GenerateFloat(8, 16), GenerateFloat(8, 16), GenerateFloat(8, 16));
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float xVel = std::sin(TO_RAD(angle))*speed;
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float zVel = std::cos(TO_RAD(angle))*speed;
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s.velocity = Vector3(xVel, GenerateFloat(-1, 4), zVel);
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s.sourceColor = Vector4(1, 1, 1, 1);
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s.destinationColor = Vector4(0, 0, 0, 0);
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s.sourceSize = GenerateFloat(8,24);
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s.active = true;
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s.affectedByWind = true;
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s.friction = 0.999f;
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s.gravity = -0.1f;
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s.life = GenerateFloat(16, 24);
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s.destinationSize = GenerateFloat(128, 160);
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s.angularVelocity = GenerateFloat(-1, 1);
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s.angularDrag = GenerateFloat(0.97, 0.999);
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}
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void TriggerRocketSmoke(int x, int y, int z, int bodyPart)
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{
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SmokeParticle& s = GetFreeSmokeParticle();
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s = {};
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s.position = Vector3(x, y, z) + Vector3(GenerateFloat(8, 16), GenerateFloat(8, 16), GenerateFloat(8, 16));
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s.sourceColor = Vector4(0.8, 0.8, 1, 1);
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s.destinationColor = Vector4(0, 0, 0, 0);
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s.sourceSize = GenerateFloat(32, 64);
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s.active = true;
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s.velocity = getRandomVector() * GenerateFloat(1, 3);
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s.affectedByWind = true;
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s.friction = 0.979f;
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s.gravity = -0.1f;
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s.life = GenerateFloat(80, 120);
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s.destinationSize = GenerateFloat(1024, 1152);
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s.angularVelocity = GenerateFloat(-0.6, 0.6);
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s.angularDrag = GenerateFloat(0.87, 0.99);
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}
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}
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}
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}
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