133 lines
3.7 KiB
C++

/*
* Copyright 2016 - 2020 gary@drinkingtea.net
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <ox/std/types.hpp>
#include "context.hpp"
namespace nostalgia::core {
enum class TileSheetSpace {
Background,
Sprite
};
using Color16 = uint16_t;
/**
* Nostalgia Core logically uses 16 bit colors, but must translate that to 32
* bit colors in some implementations.
*/
using Color32 = uint32_t;
struct NostalgiaPalette {
static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.NostalgiaPalette";
static constexpr auto Fields = 1;
static constexpr auto TypeVersion = 1;
ox::Vector<Color16> colors;
};
struct NostalgiaGraphic {
static constexpr auto TypeName = "net.drinkingtea.nostalgia.core.NostalgiaGraphic";
static constexpr auto Fields = 6;
static constexpr auto TypeVersion = 1;
int8_t bpp = 0;
// rows and columns are really only used by TileSheetEditor
int rows = 1;
int columns = 1;
ox::FileAddress defaultPalette;
NostalgiaPalette pal;
ox::Vector<uint8_t> tiles;
};
template<typename T>
ox::Error model(T *io, NostalgiaPalette *pal) {
io->template setTypeInfo<NostalgiaPalette>();
oxReturnError(io->field("colors", &pal->colors));
return OxError(0);
}
template<typename T>
ox::Error model(T *io, NostalgiaGraphic *ng) {
io->template setTypeInfo<NostalgiaGraphic>();
oxReturnError(io->field("bpp", &ng->bpp));
oxReturnError(io->field("rows", &ng->rows));
oxReturnError(io->field("columns", &ng->columns));
oxReturnError(io->field("defaultPalette", &ng->defaultPalette));
oxReturnError(io->field("pal", &ng->pal));
oxReturnError(io->field("tiles", &ng->tiles));
return OxError(0);
}
[[nodiscard]] ox::Error initGfx(Context *ctx);
[[nodiscard]] ox::Error shutdownGfx(Context*);
[[nodiscard]] ox::Error initConsole(Context *ctx);
/**
* @param section describes which section of the selected TileSheetSpace to use (e.g. MEM_PALLETE_BG[section])
*/
[[nodiscard]] ox::Error loadBgTileSheet(Context *ctx, int section, ox::FileAddress tilesheet, ox::FileAddress palette = nullptr);
[[nodiscard]] ox::Error loadSpriteTileSheet(Context *ctx,
int section,
ox::FileAddress tilesheetAddr,
ox::FileAddress paletteAddr);
[[nodiscard]] Color32 toColor32(Color16 nc) noexcept;
[[nodiscard]] uint8_t red32(Color16 c) noexcept;
[[nodiscard]] uint8_t green32(Color16 c) noexcept;
[[nodiscard]] uint8_t blue32(Color16 c) noexcept;
[[nodiscard]] constexpr uint8_t alpha32(Color16 c) noexcept {
return (c >> 15) * 255;
}
[[nodiscard]] constexpr Color16 color16(uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
return r | (g << 5) | (b << 10) | (a << 15);
}
[[nodiscard]] uint8_t red32(Color32 c) noexcept;
[[nodiscard]] uint8_t green32(Color32 c) noexcept;
[[nodiscard]] uint8_t blue32(Color32 c) noexcept;
[[nodiscard]] constexpr uint8_t red16(Color16 c) noexcept {
return c & 0b0000000000011111;
}
[[nodiscard]] constexpr uint8_t green16(Color16 c) noexcept {
return (c & 0b0000001111100000) >> 5;
}
[[nodiscard]] constexpr uint8_t blue16(Color16 c) noexcept {
return (c & 0b0111110000000000) >> 10;
}
[[nodiscard]] constexpr uint8_t alpha16(Color16 c) noexcept {
return c >> 15;
}
void puts(Context *ctx, int column, int row, const char *str);
void setTile(Context *ctx, int layer, int column, int row, uint8_t tile);
void clearTileLayer(Context*, int layer);
void setSprite(unsigned idx, unsigned x, unsigned y, unsigned tileIdx, unsigned spriteShape = 0, unsigned spriteSize = 0, unsigned flipX = 0);
}