#include "Render/Projection/ScreenGeometry.h"
#include "Render/DX9/RendererDX9.h"
#include "Render/Primitives/RenderPrimitivePool.h"
#include "Render/Primitives/RenderQueues.h"
#include "Render/Renderer.h"
#include "Render/Primitives/TextureQuad.h"
#include "Utility/Math/AffineMatrix.h"

#include <cmath>

// OFFSET: 0x0054E2B0
// FUNCTION: fn_01951
void DrawScreenLine(ScreenPoint start, ScreenPoint end, int thickness, CTexture* texture, std::uint32_t color) {
  if (SquareRoot((end.y - start.y) * (end.y - start.y) + (end.x - start.x) * (end.x - start.x)) == 0.0f) {
    return;
  }

  const float deltaX = end.x - start.x;
  const float deltaY = end.y - start.y;
  const float inverseLength = 1.0f / SquareRoot(deltaY * deltaY + deltaX * deltaX);
  float angle = static_cast<float>(std::acos(static_cast<double>(inverseLength * deltaX)));
  if (inverseLength * deltaY < 0.0f) {
    angle = 6.283184f - angle;
  }

  angle += 1.570796f;
  const float width = static_cast<float>(thickness);
  const float offsetY = ClientSin(angle) * width;
  const float offsetX = ClientCos(angle) * width;
  DrawScreenQuad(
    start.x - offsetX, start.y - offsetY, start.x + offsetX, start.y + offsetY, end.x - offsetX, end.y - offsetY, end.x + offsetX, end.y + offsetY, texture, color
  );
}

// OFFSET: 0x0054DB40
// FUNCTION: fn_01944
void DrawScreenQuad(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3, CTexture* texture, std::uint32_t color) {
  RenderPrimitive* primitive = g_renderer->primitives.Acquire();
  RenderVertex* vertices = primitive->vertices;
  vertices[0].x = x0;
  vertices[0].y = y0;
  vertices[0].z = 0.8f;
  vertices[0].rhw = 1.0f;
  vertices[0].diffuse = color;
  vertices[0].u = 0.0f;
  vertices[0].v = 0.0f;
  vertices[1].x = x1;
  vertices[1].y = y1;
  vertices[1].z = 0.8f;
  vertices[1].rhw = 1.0f;
  vertices[1].diffuse = color;
  vertices[1].u = 1.0f;
  vertices[1].v = 0.0f;
  vertices[2].x = x2;
  vertices[2].y = y2;
  vertices[2].z = 0.8f;
  vertices[2].rhw = 1.0f;
  vertices[2].diffuse = color;
  vertices[2].u = 0.0f;
  vertices[2].v = 1.0f;
  vertices[3].x = x3;
  vertices[3].y = y3;
  vertices[3].z = 0.8f;
  vertices[3].rhw = 1.0f;
  vertices[3].diffuse = color;
  vertices[3].u = 1.0f;
  vertices[3].v = 1.0f;
  primitive->texture = texture;
  primitive->sourceBlend = 2;
  primitive->destinationBlend = 4;
  static_cast<CRendererDX9*>(g_renderer)->Submit(primitive, 513);
}

// OFFSET: 0x00915F60
// FUNCTION: fn_12581
void DrawScreenQuad(ScreenPoint p0, ScreenPoint p1, ScreenPoint p2, ScreenPoint p3, CTexture* texture, std::uint32_t color) {
  RenderPrimitive* primitive = g_renderer->primitives.Acquire();
  RenderVertex* vertices = primitive->vertices;
  vertices[0].x = p0.x;
  vertices[0].y = p0.y;
  vertices[0].z = 0.8f;
  vertices[0].rhw = 1.0f;
  vertices[0].diffuse = color;
  vertices[0].u = 0.0f;
  vertices[0].v = 0.0f;
  vertices[1].x = p1.x;
  vertices[1].y = p1.y;
  vertices[1].z = 0.8f;
  vertices[1].rhw = 1.0f;
  vertices[1].diffuse = color;
  vertices[1].u = 1.0f;
  vertices[1].v = 0.0f;
  vertices[2].x = p2.x;
  vertices[2].y = p2.y;
  vertices[2].z = 0.8f;
  vertices[2].rhw = 1.0f;
  vertices[2].diffuse = color;
  vertices[2].u = 0.0f;
  vertices[2].v = 1.0f;
  vertices[3].x = p3.x;
  vertices[3].y = p3.y;
  vertices[3].z = 0.8f;
  vertices[3].rhw = 1.0f;
  vertices[3].diffuse = color;
  vertices[3].u = 1.0f;
  vertices[3].v = 1.0f;
  primitive->texture = texture;
  primitive->sourceBlend = 2;
  primitive->destinationBlend = 4;
  static_cast<CRendererDX9*>(g_renderer)->Submit(primitive, 513);
}