/**
 * @file cl2_render.hpp
 *
 * CL2 rendering.
 */
#pragma once

#include <array>
#include <cstdint>

#include "engine.h"
#include "engine/cel_sprite.hpp"
#include "engine/point.hpp"

namespace devilution {

/**
 * @brief Apply the color swaps to a CL2 sprite
 * @param p CL2 buffer
 * @param ttbl Palette translation table
 * @param nCel Frame number in CL2 file
 */
void Cl2ApplyTrans(byte *p, const std::array<uint8_t, 256> &ttbl, int nCel);

/**
 * @brief Blit CL2 sprite, to the back buffer at the given coordianates
 * @param out Output buffer
 * @param sx Output buffer coordinate
 * @param sy Output buffer coordinate
 * @param pCelBuff CL2 buffer
 * @param nCel CL2 frame number
 */
void Cl2Draw(const CelOutputBuffer &out, int sx, int sy, const CelSprite &cel, int frame);

/**
 * @brief Blit a solid colder shape one pixel larger than the given sprite shape, to the given buffer at the given coordianates
 * @param col Color index from current palette
 * @param out Output buffer
 * @param sx Output buffer coordinate
 * @param sy Output buffer coordinate
 * @param pCelBuff CL2 buffer
 * @param nCel CL2 frame number
 */
void Cl2DrawOutline(const CelOutputBuffer &out, uint8_t col, int sx, int sy, const CelSprite &cel, int frame);

/**
 * @brief Blit CL2 sprite, and apply a given lighting, to the given buffer at the given coordianates
 * @param out Output buffer
 * @param sx Output buffer coordinate
 * @param sy Output buffer coordinate
 * @param pCelBuff CL2 buffer
 * @param nCel CL2 frame number
 * @param light Light shade to use
 */
void Cl2DrawLightTbl(const CelOutputBuffer &out, int sx, int sy, const CelSprite &cel, int frame, char light);

/**
 * @brief Blit CL2 sprite, and apply lighting, to the given buffer at the given coordinates
 * @param out Output buffer
 * @param sx Output buffer coordinate
 * @param sy Output buffer coordinate
 * @param pCelBuff CL2 buffer
 * @param nCel CL2 frame number
 */
void Cl2DrawLight(const CelOutputBuffer &out, int sx, int sy, const CelSprite &cel, int frame);

} // namespace devilution