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* Initial commit.
:)
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iProgramInCpp
191
source/World/Particle/ParticleEngine.cpp
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191
source/World/Particle/ParticleEngine.cpp
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#include <sstream>
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#include "ParticleEngine.hpp"
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ParticleEngine::ParticleEngine(Level* level, Textures* textures)
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{
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m_pLevel = level;
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m_pTextures = textures;
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m_pTextures->loadTexture("particles.png", true);
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}
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void ParticleEngine::setLevel(Level* level)
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{
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#ifdef ORIGINAL_CODE
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m_pLevel = level;
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#endif
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for (int i = 0; i < 4; i++)
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{
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#ifndef ORIGINAL_CODE
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for (auto pParticle : m_particles[i])
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delete pParticle;
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#endif
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// @BUG: memory leak?
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m_particles[i].clear();
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}
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#ifndef ORIGINAL_CODE
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m_pLevel = level;
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#endif
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}
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void ParticleEngine::add(Particle* particle)
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{
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m_particles[particle->getParticleTexture()].push_back(particle);
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}
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std::string ParticleEngine::countParticles()
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{
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// @NOTE: For whatever reason this returns a string??
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std::stringstream ss;
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ss << (m_particles[0].size() + m_particles[1].size() + m_particles[2].size() + m_particles[3].size());
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return ss.str();
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}
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void ParticleEngine::crack(int x, int y, int z, int dir)
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{
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TileID tileID = m_pLevel->getTile(x, y, z);
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if (!tileID) return;
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Tile* pTile = Tile::tiles[tileID];
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float posX, posY, posZ;
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switch (dir)
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{
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case DIR_YNEG:
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posX = float(x) + Lerp(pTile->m_aabb.min.x, pTile->m_aabb.max.x - 0.2f, m_random.nextFloat()) + 0.1f;
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posZ = float(z) + Lerp(pTile->m_aabb.min.z, pTile->m_aabb.max.z - 0.2f, m_random.nextFloat()) + 0.1f;
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posY = float(y) + pTile->m_aabb.min.y - 0.1f;
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break;
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case DIR_YPOS:
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posX = float(x) + Lerp(pTile->m_aabb.min.x, pTile->m_aabb.max.x - 0.2f, m_random.nextFloat()) + 0.1f;
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posZ = float(z) + Lerp(pTile->m_aabb.min.z, pTile->m_aabb.max.z - 0.2f, m_random.nextFloat()) + 0.1f;
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posY = float(y) + pTile->m_aabb.max.y + 0.1f;
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break;
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case DIR_ZNEG:
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posX = float(x) + Lerp(pTile->m_aabb.min.x, pTile->m_aabb.max.x - 0.2f, m_random.nextFloat()) + 0.1f;
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posY = float(y) + Lerp(pTile->m_aabb.min.y, pTile->m_aabb.max.y - 0.2f, m_random.nextFloat()) + 0.1f;
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posZ = float(z) + pTile->m_aabb.min.z - 0.1f;
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break;
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case DIR_ZPOS:
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posX = float(x) + Lerp(pTile->m_aabb.min.x, pTile->m_aabb.max.x - 0.2f, m_random.nextFloat()) + 0.1f;
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posY = float(y) + Lerp(pTile->m_aabb.min.y, pTile->m_aabb.max.y - 0.2f, m_random.nextFloat()) + 0.1f;
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posZ = float(z) + pTile->m_aabb.max.z + 0.1f;
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break;
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case DIR_XNEG:
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posY = float(y) + Lerp(pTile->m_aabb.min.y, pTile->m_aabb.max.y - 0.2f, m_random.nextFloat()) + 0.1f;
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posZ = float(z) + Lerp(pTile->m_aabb.min.z, pTile->m_aabb.max.z - 0.2f, m_random.nextFloat()) + 0.1f;
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posX = float(x) + pTile->m_aabb.min.x - 0.1f;
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break;
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case DIR_XPOS:
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posY = float(y) + Lerp(pTile->m_aabb.min.y, pTile->m_aabb.max.y - 0.2f, m_random.nextFloat()) + 0.1f;
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posZ = float(z) + Lerp(pTile->m_aabb.min.z, pTile->m_aabb.max.z - 0.2f, m_random.nextFloat()) + 0.1f;
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posX = float(x) + pTile->m_aabb.max.x + 0.1f;
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break;
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default:
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// @TODO: dont know what they do for the undefined case
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posX = float(x), posY = float(y), posZ = float(z);
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break;
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}
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add((new TerrainParticle(m_pLevel, posX, posY, posZ, pTile))->setPower(0.2f)->scale(0.6f));
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}
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void ParticleEngine::destroy(int x, int y, int z)
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{
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TileID tileID = m_pLevel->getTile(x, y, z);
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if (!tileID) return;
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float timeS = getTimeS();
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Tile* pTile = Tile::tiles[tileID];
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for (int i = 0; i < 3; i++)
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{
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for (int j = 0; j < 3; j++)
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{
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for (int k = 0; k < 3; k++)
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{
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float posX = float(x) + (float(i) + 0.5f) / 3.0f;
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float posY = float(y) + (float(j) + 0.5f) / 3.0f;
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float posZ = float(z) + (float(k) + 0.5f) / 3.0f;
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add((new TerrainParticle(m_pLevel, posX, posY, posZ, posX - float(x) - 0.5f, posY - float(y) - 0.5f, posZ - float(z) - 0.5f, pTile))->init(x, y, z));
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}
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}
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}
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if (timeS != -1.0)
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getTimeS();
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// @NOTE: Useless string creation
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#ifdef ORIGINAL_CODE
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std::string("gen destroy particles: ");
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#endif
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}
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#ifdef ENH_CAMERA_NO_PARTICLES
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bool g_bDisableParticles;
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#endif
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void ParticleEngine::render(Entity* ent, float f)
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{
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#ifdef ENH_CAMERA_NO_PARTICLES
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if (g_bDisableParticles)
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return;
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#endif
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float x1 = Mth::cos(float(M_PI) * ent->m_yaw / 180.0f);
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float x3 = Mth::sin(float(M_PI) * ent->m_yaw / 180.0f);
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float x4 = -(x3 * Mth::sin(float(M_PI) * ent->m_pitch / 180.0f));
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float x5 = x1 * Mth::sin(float(M_PI) * ent->m_pitch / 180.0f);
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float x2 = Mth::cos(float(M_PI) * ent->m_pitch / 180.0f);
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Particle::xOff = Lerp(ent->field_98.x, ent->m_pos.x, f);
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Particle::yOff = Lerp(ent->field_98.y, ent->m_pos.y, f);
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Particle::zOff = Lerp(ent->field_98.z, ent->m_pos.z, f);
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// @BUG: Ignoring the last particle array. Invisible?
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Tesselator& t = Tesselator::instance;
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for (int i = 0; i < 3; i++)
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{
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if (i == PT_TERRAIN)
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m_pTextures->loadAndBindTexture(C_TERRAIN_NAME);
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else
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m_pTextures->loadAndBindTexture("particles.png");
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t.begin();
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for (auto pParticle : m_particles[i])
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pParticle->render(t, f, x1, x2, x3, x4, x5);
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t.draw();
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}
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}
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void ParticleEngine::renderLit()
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{
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}
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void ParticleEngine::tick()
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{
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for (int p = 0; p < 4; p++)
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{
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for (size_t i = 0; i < m_particles[p].size(); i++)
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{
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Particle* particle = m_particles[p][i];
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particle->tick();
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if (particle->m_bRemoved)
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{
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// remove it
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m_particles[p].erase(m_particles[p].begin() + i);
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i--;
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delete particle;
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continue;
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}
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}
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}
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}
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