/**
 * Copyright (c) 2025 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#include "quad.h"
#include "assert/assert.h"

void quadBuffer(
  meshvertex_t *vertices,
  const float_t minX,
  const float_t minY,
  const float_t maxX,
  const float_t maxY,
  const uint8_t r,
  const uint8_t g,
  const uint8_t b,
  const uint8_t a,
  const float_t u0,
  const float_t v0,
  const float_t u1,
  const float_t v1
) {
  const float_t z = 0.0f; // Z coordinate for 2D rendering
  assertNotNull(vertices, "Vertices cannot be NULL");

  // First triangle
  vertices[0] = (meshvertex_t) {
    { r, g, b, a }, // Color
    { u0, v0 },    // UV
    { minX, minY, z } // Position
  };
  vertices[1] = (meshvertex_t) {
    { r, g, b, a }, // Color
    { u1, v0 },    // UV
    { maxX, minY, z } // Position
  };
  vertices[2] = (meshvertex_t) {
    { r, g, b, a }, // Color
    { u1, v1 },    // UV
    { maxX, maxY, z } // Position
  }; 

  // Second triangle
  vertices[3] = (meshvertex_t) {
    { r, g, b, a }, // Color
    { u0, v0 },    // UV
    { minX, minY, z } // Position
  };
  vertices[4] = (meshvertex_t) {
    { r, g, b, a }, // Color
    { u1, v1 },    // UV
    { maxX, maxY, z } // Position
  };
  vertices[5] = (meshvertex_t) {
    { r, g, b, a }, // Color
    { u0, v1 },    // UV
    { minX, maxY, z } // Position
  };
}