#include "Contents/Effects/ThrowEffects.h"
#include "Client/Mode/CGameMode.h"
#include "Client/Mode/ModeMgr.h"
#include "Contents/Camera/Camera.h"
#include "Contents/Effects/EffectMemoryMgr.h"
#include "Contents/Effects/Particle.h"
#include "Contents/World/World.h"
#include "Utility/Math/AffineMatrix.h"

#include <algorithm>
#include <cstring>

// OFFSET: 0x00B7CB10
// FUNCTION: fn_19227
CThrowItemEffect::CThrowItemEffect()
    : CEffect(-1), unknown_00CC(0), unknown_00D0(0), unknown_00D4(1), unknown_00D8(4), unknown_00DC(0), unknown_00E0(0), unknown_00EC(0),
      unknown_00F0(0), unknown_00F4(0) {
}

// OFFSET: 0x00B7CCC0
// FUNCTION: fn_19229
void CThrowItemEffect::Close() {
  for (CParticle* particle : this->particles) {
    FreeParticle(particle);
  }

  this->particles.clear();
}

// OFFSET: 0x00B7D810
// FUNCTION: fn_19233
void CThrowItemEffect::InitSpinParticle(CParticle* particle) {
  this->unknown_002C = 200;
  this->unknown_00E0 = 1.0f;
  particle->scale = 2.0f;
  particle->SetColor(255, 200, 255);
  *reinterpret_cast<float*>(&particle->unknown_00C4) = 330.0f;
  particle->unknown_00C0 = 3.0f;
  particle->alpha = 255;
  particle->unknown_00D0 = this->position[0];
  particle->unknown_00D4 = this->position[1] - 8.0f;
  particle->unknown_00D8 = this->position[2];
  particle->destinationBlend = 6;
}

// OFFSET: 0x00B7D8B0
// FUNCTION: fn_19234
void CThrowItemEffect::Slot12() {
  switch (this->id) {
  case 613:
  case 614:
  case 615:
  case 616:
    this->AddEvent(0, "effect\\닌자_던지기.wav", 0, 0);
    break;
  case 298:
    this->AddEvent(0, "_heal_effect.wav", 0, 0);
    break;
  case 914:
    this->AddEvent(0, "effect\\G스포어익스플로젼.wav", 0, 0);
    break;
  }
}

// OFFSET: 0x00B7DE70
// FUNCTION: fn_19236
void CThrowItemEffect::Slot03() {
  for (auto particle = this->particles.begin(); particle != this->particles.end(); ++particle) {
    CParticle* target = *particle;

    target->position.x = this->position[0];
    target->position.y = this->position[1];
    target->position.z = this->position[2];

    if (target != nullptr && this->unknown_00D0 <= this->frame) {
      float& angle = target->unknown_00C0;
      float& rotation = *reinterpret_cast<float*>(&target->unknown_00C4);
      float& offsetX = *reinterpret_cast<float*>(&target->unknown_00D0);
      float& offsetY = *reinterpret_cast<float*>(&target->unknown_00D4);
      float& offsetZ = *reinterpret_cast<float*>(&target->unknown_00D8);

      if (target->unknown_000C == 0) {
        rotation = static_cast<float>(static_cast<int>(rotation + 45.0f) % 360);
      } else {
        this->unknown_00E4 -= target->unknown_000C == 1 ? 150 : 25;
        target->alpha = this->unknown_00E4;
        offsetX = this->unknown_00EC;
        offsetY = this->unknown_00F0;
        offsetZ = this->unknown_00F4;
        rotation = this->unknown_00E8;
      }

      const float progress = static_cast<float>(this->frame) / static_cast<float>(this->unknown_00CC);
      float height = 0.0f;

      if (progress > 1.05f) {
        const int alpha = target->alpha - 20;
        target->alpha = alpha > 0 ? alpha : 0;
      } else {
        const int index = *reinterpret_cast<const int*>(&target->unknown_0048[4]);
        const float radius = angle / *reinterpret_cast<const float*>(&target->unknown_0048[0xC]);
        offsetX = angle * g_cosTable[index] + offsetX;
        offsetY = radius * this->unknown_00DC + offsetY;
        offsetZ = angle * g_sinTable[index] + offsetZ;
        height = g_sinTable[-static_cast<int>(progress * -180.0f)] * this->unknown_00E0;
      }

      this->unknown_00EC = offsetX;
      this->unknown_00F0 = offsetY;
      this->unknown_00F4 = offsetZ;
      this->unknown_00E8 = rotation;
      this->unknown_00E4 = target->alpha;

      if (target->alpha > 0) {
        matrix view;
        std::memcpy(view.values, g_identityMatrix, sizeof(view.values));
        view.MakeXRotation(static_cast<CGameMode*>(g_modeMgr.GetGameMode())->camera->camera.pitch / 180.0f * 3.141592f);
        view.AppendYRotation(rotation / 180.0f * 3.141592f);

        matrix scale;
        std::memcpy(scale.values, g_identityMatrix, sizeof(scale.values));
        scale.SetScale(target->scale, target->scale, 1.0f);

        matrix translate;
        std::memcpy(translate.values, g_identityMatrix, sizeof(translate.values));
        translate.MakeTranslate(offsetX, offsetY - height, offsetZ);

        matrix rotationMatrix;
        rotationMatrix.Compose(scale, view);

        matrix transform;
        transform.Compose(rotationMatrix, translate);
        target->transform = transform;

        if (this->id == 0x3D5 && target->unknown_0010 == 0 && target->unknown_000C == 0) {
          CRenderObject* object = FindRenderObject(this->actor);

          if (object != nullptr) {
            float& objectAngle = *reinterpret_cast<float*>(reinterpret_cast<unsigned char*>(object) + 0x4C);
            objectAngle = static_cast<float>(static_cast<int>(objectAngle + 45.0f) % 360);
          }
        }
      }
    }

    ++target->unknown_00E8;
  }
}

// OFFSET: 0x00B7EA40
// FUNCTION: fn_19240
void CVolcanoEffect::AddRings() {
  int row = 0;
  for (int baseAngle = 0; baseAngle < 360; baseAngle += 90) {
    for (int segment = 0; segment <= 21; ++segment) {
      CParticle* particle = CreateParticle(reinterpret_cast<const vector3d*>(this->position), 5);
      if (!particle) {
        continue;
      }

      particle->unknown_0004 = this->id;
      particle->unknown_000C = segment;
      particle->unknown_0010 = row;
      particle->unknown_0008 = 1;

      switch (this->id) {
      case 223:
        particle->unknown_00C0 = 15.0f;
        particle->unknown_004C = 70;
        particle->unknown_0054 = 0.0f;
        particle->unknown_0050 = 360;
        particle->alpha = 1;
        *reinterpret_cast<float*>(&particle->unknown_00C4) = static_cast<float>(row * 90);
        particle->scale = static_cast<float>(row) + 1.0f;
        break;
      case 225:
      case 236:
      case 237:
      case 238:
      case 261:
      case 263:
      case 773:
      case 934:
      case 936:
      case 937:
      case 938:
        particle->unknown_00C0 = 25.0f;
        particle->unknown_004C = 80;
        particle->unknown_0054 = 0.0f;
        particle->unknown_0050 = 360;
        particle->alpha = 1;
        *reinterpret_cast<float*>(&particle->unknown_00C4) = static_cast<float>(baseAngle);
        particle->scale = static_cast<float>(row) + 1.0f;
        break;
      case 886:
        particle->alpha = 1;
        particle->unknown_0050 = 360;
        particle->unknown_00C0 = 25.0f;
        particle->unknown_004C = 80;
        *reinterpret_cast<float*>(&particle->unknown_00C4) = static_cast<float>(row * 90);
        particle->unknown_0054 = 0.0f;
        particle->scale = static_cast<float>(row) + 1.0f;
        particle->SetColor(0, 0, 255);
        break;
      }

      switch (this->id) {
      case 223:
      case 238:
      case 934:
        particle->SetTexture("effect\\ring_white.tga");
        break;
      case 225:
      case 936:
        particle->SetTexture("effect\\ring_red.tga");
        break;
      case 236:
      case 886:
        particle->SetTexture("effect\\ring_blue.tga");
        break;
      case 237:
        particle->SetTexture("effect\\magic_green.tga");
        break;
      case 261:
      case 263:
      case 937:
        particle->SetTexture("effect\\ring_yellow.tga");
        break;
      case 773:
        particle->SetTexture("effect\\ring_purple.tga");
        break;
      case 938:
        particle->SetTexture("effect\\ring_brown.tga");
        break;
      }

      InitParticleQuad(particle->vertices);
      this->particles.push_back(particle);
    }

    ++row;
  }
}

// OFFSET: 0x00B7EE80
// FUNCTION: fn_19241
void CVolcanoEffect::Close() {
  for (CParticle* particle : this->particles) {
    FreeParticle(particle);
  }

  this->particles.clear();
}

// OFFSET: 0x00B7EEC0
// FUNCTION: fn_19242
void CVolcanoEffect::Slot01() {
  switch (this->id) {
  case 223:
  case 225:
  case 236:
  case 237:
  case 238:
  case 261:
  case 263:
  case 773:
  case 886:
  case 934:
  case 936:
  case 937:
  case 938:
    this->AddRings();
    break;
  }
}

// OFFSET: 0x00B7F190
// FUNCTION: fn_19243
bool CVolcanoEffect::Slot06() {
  for (auto particle = this->particles.begin(); particle != this->particles.end(); ++particle) {
    if ((*particle)->alpha > 0) {
      return true;
    }
  }

  return false;
}

// OFFSET: 0x00B7F1C0
// FUNCTION: fn_19244
void CVolcanoEffect::Slot03() {
  int fadeIn;
  int fadeOut;

  for (auto it = this->particles.begin(); it != this->particles.end(); ++it) {
    CParticle* particle = *it;
    particle->position.x = this->position[0];
    particle->position.y = this->position[1];
    particle->position.z = this->position[2];

    if (particle) {
      particle->scale += this->id == 261 ? 0.1f : 0.3f;

      int tilt = particle->unknown_004C - 1;
      if (this->id == 261) {
        if (tilt < 30) {
          tilt = 30;
        }
      } else if (tilt < 40) {
        tilt = 40;
      }
      particle->unknown_004C = tilt;

      float& spin = *reinterpret_cast<float*>(&particle->unknown_00C4);
      spin = static_cast<float>(static_cast<int>(spin) + (this->id != 261) * 2 + 3);

      switch (this->id) {
      case 223:
        fadeIn = 20;
        fadeOut = 8;
        break;
      case 225:
      case 236:
      case 237:
      case 238:
      case 261:
        fadeIn = 20;
        fadeOut = 2;
        break;
      case 263:
      case 773:
        fadeIn = 10;
        fadeOut = 2;
        break;
      case 886:
      case 934:
      case 936:
      case 937:
      case 938:
        fadeIn = 20;
        fadeOut = 5;
        break;
      }

      if (particle->unknown_00E8 > 10) {
        const int alpha = particle->alpha - fadeOut;
        particle->alpha = alpha > 0 ? alpha : 0;
      } else {
        particle->alpha += fadeIn;
      }

      const int segment = particle->unknown_000C;
      const float radius = g_sinTable[segment * 9] * particle->unknown_00C0;
      const int angle =
        static_cast<int>(static_cast<float>(static_cast<int>(static_cast<float>(particle->unknown_0050) / 20.0f) * segment) + spin) % 360;
      const float spread = radius * g_cosTable[tilt];
      const float cosine = g_cosTable[angle];
      const float sine = g_sinTable[angle];
      const float height = radius * g_sinTable[tilt];

      vector3d corners[2] = {};
      corners[0].x = particle->scale * cosine;
      corners[0].y = 0.0f;
      corners[0].z = particle->scale * sine;
      corners[1].x = corners[0].x + spread * cosine;
      corners[1].y = 0.0f - height;
      corners[1].z = corners[0].z + spread * sine;

      particle->vertices[3].x = corners[0].x;
      particle->vertices[3].y = corners[0].y;
      particle->vertices[3].z = corners[0].z;
      particle->vertices[1].x = corners[1].x;
      particle->vertices[1].y = corners[1].y;
      particle->vertices[1].z = corners[1].z;

      if (segment != 0) {
        particle->vertices[0].x = this->lastOuter.x;
        particle->vertices[0].y = this->lastOuter.y;
        particle->vertices[0].z = this->lastOuter.z;
        particle->vertices[2].x = this->lastInner.x;
        particle->vertices[2].y = this->lastInner.y;
        particle->vertices[2].z = this->lastInner.z;
      }

      this->lastInner = corners[0];
      this->lastOuter = corners[1];
    }

    ++particle->unknown_00E8;
  }
}

// OFFSET: 0x00B7F7B0
// FUNCTION: fn_19245
void CVolcanoEffect::Slot04() {
  for (auto it = this->particles.begin(); it != this->particles.end(); ++it) {
    CParticle* particle = *it;
    if (!particle || particle->unknown_000C <= 0) {
      continue;
    }

    particle->destinationBlend = 6;

    const int segment = particle->unknown_000C;
    const ParticleQuad quad = {false, 0.0f, 1.0f, static_cast<float>(segment - 1) / 21.0f, static_cast<float>(segment) / 21.0f, false, true};
    particle->Render(quad);
  }
}