147 lines
4.4 KiB
C++
147 lines
4.4 KiB
C++
/* Copyright (C) 1996-1997 Id Software, Inc.
|
|
Copyright (C) 2017 Eric Wasylishen
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
See file, 'COPYING', for details.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <common/cmdlib.hh>
|
|
#include <common/bspfile.hh>
|
|
#include <common/qvec.hh>
|
|
#include <common/fs.hh>
|
|
|
|
namespace img
|
|
{
|
|
enum class ext
|
|
{
|
|
TGA,
|
|
WAL,
|
|
MIP,
|
|
/**
|
|
* Anything loadable by stb_image.h
|
|
*/
|
|
STB
|
|
};
|
|
|
|
extern std::vector<qvec3b> palette;
|
|
|
|
// Palette
|
|
void init_palette(const gamedef_t *game);
|
|
|
|
struct texture_meta
|
|
{
|
|
std::string name;
|
|
uint32_t width = 0, height = 0;
|
|
|
|
// extension that we pulled the pixels in from.
|
|
std::optional<ext> extension;
|
|
|
|
// so .json metadata can set an emissive color when we don't have
|
|
// texture data. Also useful to override the emissive color
|
|
std::optional<qvec3b> color_override;
|
|
|
|
// Q2/WAL only
|
|
surfflags_t flags{};
|
|
contentflags_t contents{};
|
|
int32_t value = 0;
|
|
std::string animation;
|
|
};
|
|
|
|
struct texture
|
|
{
|
|
texture_meta meta{};
|
|
|
|
// in the case of replacement textures, these may not
|
|
// the width/height of the metadata.
|
|
uint32_t width = 0, height = 0;
|
|
|
|
// RGBA order
|
|
std::vector<qvec4b> pixels;
|
|
|
|
// the scale required to map a pixel from the
|
|
// meta data onto the real size (16x16 onto 32x32 -> 2)
|
|
float width_scale = 1, height_scale = 1;
|
|
|
|
// This member is only set before insertion into the table
|
|
// and not calculated by individual load functions.
|
|
qvec3b averageColor{0};
|
|
};
|
|
|
|
extern std::unordered_map<std::string, texture, case_insensitive_hash, case_insensitive_equal> textures;
|
|
|
|
// clears the texture cache
|
|
void clear();
|
|
|
|
qvec3b calculate_average(const std::vector<qvec4b> &pixels);
|
|
|
|
const texture *find(const std::string_view &str);
|
|
|
|
// Load wal
|
|
std::optional<texture> load_wal(
|
|
const std::string_view &name, const fs::data &file, bool meta_only, const gamedef_t *game);
|
|
|
|
// Load Quake/Half Life mip (raw data)
|
|
std::optional<texture> load_mip(
|
|
const std::string_view &name, const fs::data &file, bool meta_only, const gamedef_t *game);
|
|
|
|
// stb_image.h loaders
|
|
std::optional<texture> load_stb(
|
|
const std::string_view &name, const fs::data &file, bool meta_only, const gamedef_t *game);
|
|
|
|
// list of supported extensions and their loaders
|
|
constexpr struct
|
|
{
|
|
const char *suffix;
|
|
ext id;
|
|
decltype(load_wal) *loader;
|
|
} extension_list[] = {{".png", ext::STB, load_stb}, {".jpg", ext::STB, load_stb}, {".tga", ext::TGA, load_stb},
|
|
{".wal", ext::WAL, load_wal}, {".mip", ext::MIP, load_mip}, {"", ext::MIP, load_mip}};
|
|
|
|
// Attempt to load a texture from the specified name.
|
|
std::tuple<std::optional<texture>, fs::resolve_result, fs::data> load_texture(const std::string_view &name,
|
|
bool meta_only, const gamedef_t *game, const settings::common_settings &options, bool no_prefix = false);
|
|
|
|
enum class meta_ext
|
|
{
|
|
WAL,
|
|
WAL_JSON
|
|
};
|
|
|
|
// Load wal
|
|
std::optional<texture_meta> load_wal_meta(const std::string_view &name, const fs::data &file, const gamedef_t *game);
|
|
|
|
std::optional<texture_meta> load_wal_json_meta(
|
|
const std::string_view &name, const fs::data &file, const gamedef_t *game);
|
|
|
|
// list of supported meta extensions and their loaders
|
|
constexpr struct
|
|
{
|
|
const char *suffix;
|
|
meta_ext id;
|
|
decltype(load_wal_meta) *loader;
|
|
} meta_extension_list[] = {
|
|
{".wal_json", meta_ext::WAL_JSON, load_wal_json_meta}, {".wal", meta_ext::WAL, load_wal_meta}};
|
|
|
|
// Attempt to load a texture meta from the specified name.
|
|
std::tuple<std::optional<texture_meta>, fs::resolve_result, fs::data> load_texture_meta(
|
|
const std::string_view &name, const gamedef_t *game, const settings::common_settings &options);
|
|
|
|
// Loads textures referenced by the bsp into the texture cache.
|
|
void load_textures(const mbsp_t *bsp, const settings::common_settings &options);
|
|
}; // namespace img
|