godot/scene/io/resource_format_image.cpp

251 lines
7.9 KiB
C++

/*************************************************************************/
/* resource_format_image.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "resource_format_image.h"
#include "globals.h"
#include "io/image_loader.h"
#include "os/os.h"
#include "scene/resources/texture.h"
RES ResourceFormatLoaderImage::load(const String &p_path, const String &p_original_path, Error *r_error) {
if (r_error)
*r_error = ERR_CANT_OPEN;
if (p_path.extension() == "cube") {
// open as cubemap txture
CubeMap *ptr = memnew(CubeMap);
Ref<CubeMap> cubemap(ptr);
Error err;
FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
if (err) {
ERR_FAIL_COND_V(err, RES());
}
String base_path = p_path.substr(0, p_path.find_last("/") + 1);
for (int i = 0; i < 6; i++) {
String file = f->get_line().strip_edges();
Image image;
Error err = ImageLoader::load_image(base_path + file, &image);
if (err) {
memdelete(f);
ERR_FAIL_COND_V(err, RES());
}
if (i == 0) {
//cubemap->create(image.get_width(),image.get_height(),image.get_format(),Texture::FLAGS_DEFAULT|Texture::FLAG_CUBEMAP);
}
static const CubeMap::Side cube_side[6] = {
CubeMap::SIDE_LEFT,
CubeMap::SIDE_RIGHT,
CubeMap::SIDE_BOTTOM,
CubeMap::SIDE_TOP,
CubeMap::SIDE_FRONT,
CubeMap::SIDE_BACK
};
cubemap->set_side(cube_side[i], image);
}
memdelete(f);
cubemap->set_name(p_path.get_file());
if (r_error)
*r_error = OK;
return cubemap;
} else {
// simple image
ImageTexture *ptr = memnew(ImageTexture);
Ref<ImageTexture> texture(ptr);
uint64_t begtime;
double total;
Image image;
if (debug_load_times)
begtime = OS::get_singleton()->get_ticks_usec();
Error err = ImageLoader::load_image(p_path, &image);
if (!err && debug_load_times) {
double total = USEC_TO_SEC((OS::get_singleton()->get_ticks_usec() - begtime));
print_line("Image: " + itos(image.get_width()) + "x" + itos(image.get_height()));
print_line(" -load: " + rtos(total));
}
ERR_EXPLAIN("Failed loading image: " + p_path);
ERR_FAIL_COND_V(err, RES());
if (r_error)
*r_error = ERR_FILE_CORRUPT;
#ifdef DEBUG_ENABLED
#ifdef TOOLS_ENABLED
if (max_texture_size && (image.get_width() > max_texture_size || image.get_height() > max_texture_size)) {
if (bool(Globals::get_singleton()->get("debug/max_texture_size_alert"))) {
OS::get_singleton()->alert("Texture is too large: '" + p_path + "', at " + itos(image.get_width()) + "x" + itos(image.get_height()) + ". Max allowed size is: " + itos(max_texture_size) + "x" + itos(max_texture_size) + ".", "BAD ARTIST, NO COOKIE!");
}
ERR_EXPLAIN("Texture is too large: '" + p_path + "', at " + itos(image.get_width()) + "x" + itos(image.get_height()) + ". Max allowed size is: " + itos(max_texture_size) + "x" + itos(max_texture_size) + ".");
ERR_FAIL_V(RES());
}
#endif
#endif
uint32_t flags = load_image_flags(p_path);
if (debug_load_times)
begtime = OS::get_singleton()->get_ticks_usec();
//print_line("img: "+p_path+" flags: "+itos(flags));
texture->create_from_image(image, flags);
texture->set_name(p_path.get_file());
if (debug_load_times) {
total = USEC_TO_SEC(OS::get_singleton()->get_ticks_usec() - begtime);
print_line(" -make texture: " + rtos(total));
}
if (r_error)
*r_error = OK;
return RES(texture);
}
}
uint32_t ResourceFormatLoaderImage::load_image_flags(const String &p_path) {
FileAccess *f2 = FileAccess::open(p_path + ".flags", FileAccess::READ);
Map<String, bool> flags_found;
if (f2) {
while (!f2->eof_reached()) {
String l2 = f2->get_line();
int eqpos = l2.find("=");
if (eqpos != -1) {
String flag = l2.substr(0, eqpos).strip_edges();
String val = l2.substr(eqpos + 1, l2.length()).strip_edges().to_lower();
flags_found[flag] = (val == "true" || val == "1") ? true : false;
}
}
memdelete(f2);
}
uint32_t flags = 0;
if (flags_found.has("filter")) {
if (flags_found["filter"])
flags |= Texture::FLAG_FILTER;
} else if (bool(GLOBAL_DEF("image_loader/filter", true))) {
flags |= Texture::FLAG_FILTER;
}
if (flags_found.has("gen_mipmaps")) {
if (flags_found["gen_mipmaps"])
flags |= Texture::FLAG_MIPMAPS;
} else if (bool(GLOBAL_DEF("image_loader/gen_mipmaps", true))) {
flags |= Texture::FLAG_MIPMAPS;
}
if (flags_found.has("repeat")) {
if (flags_found["repeat"])
flags |= Texture::FLAG_REPEAT;
} else if (bool(GLOBAL_DEF("image_loader/repeat", true))) {
flags |= Texture::FLAG_REPEAT;
}
if (flags_found.has("anisotropic")) {
if (flags_found["anisotropic"])
flags |= Texture::FLAG_ANISOTROPIC_FILTER;
}
if (flags_found.has("tolinear")) {
if (flags_found["tolinear"])
flags |= Texture::FLAG_CONVERT_TO_LINEAR;
}
if (flags_found.has("mirroredrepeat")) {
if (flags_found["mirroredrepeat"])
flags |= Texture::FLAG_MIRRORED_REPEAT;
}
return flags;
}
bool ResourceFormatLoaderImage::handles_type(const String &p_type) const {
return ObjectTypeDB::is_type(p_type, "Texture") || ObjectTypeDB::is_type(p_type, "CubeMap");
}
void ResourceFormatLoaderImage::get_recognized_extensions(List<String> *p_extensions) const {
ImageLoader::get_recognized_extensions(p_extensions);
p_extensions->push_back("cube");
}
String ResourceFormatLoaderImage::get_resource_type(const String &p_path) const {
String ext = p_path.extension().to_lower();
if (ext == "cube")
return "CubeMap";
List<String> extensions;
ImageLoader::get_recognized_extensions(&extensions);
for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
if (E->get() == ext)
return "ImageTexture";
}
return "";
}
ResourceFormatLoaderImage::ResourceFormatLoaderImage() {
max_texture_size = GLOBAL_DEF("debug/max_texture_size", 0);
GLOBAL_DEF("debug/max_texture_size_alert", false);
debug_load_times = GLOBAL_DEF("debug/image_load_times", false);
GLOBAL_DEF("image_loader/filter", true);
GLOBAL_DEF("image_loader/gen_mipmaps", true);
GLOBAL_DEF("image_loader/repeat", false);
}