virtualx-engine/scene/resources/sky_box.cpp
2017-04-08 00:11:42 +02:00

178 lines
6.9 KiB
C++

/*************************************************************************/
/* sky_box.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.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 "sky_box.h"
#include "io/image_loader.h"
void SkyBox::set_radiance_size(RadianceSize p_size) {
ERR_FAIL_INDEX(p_size, RADIANCE_SIZE_MAX);
radiance_size = p_size;
_radiance_changed();
}
SkyBox::RadianceSize SkyBox::get_radiance_size() const {
return radiance_size;
}
void SkyBox::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_radiance_size", "size"), &SkyBox::set_radiance_size);
ClassDB::bind_method(D_METHOD("get_radiance_size"), &SkyBox::get_radiance_size);
ADD_PROPERTY(PropertyInfo(Variant::INT, "radiance_size", PROPERTY_HINT_ENUM, "256,512,1024,2048"), "set_radiance_size", "get_radiance_size");
BIND_CONSTANT(RADIANCE_SIZE_256);
BIND_CONSTANT(RADIANCE_SIZE_512);
BIND_CONSTANT(RADIANCE_SIZE_1024);
BIND_CONSTANT(RADIANCE_SIZE_2048);
BIND_CONSTANT(RADIANCE_SIZE_MAX);
}
SkyBox::SkyBox() {
radiance_size = RADIANCE_SIZE_512;
}
/////////////////////////////////////////
void ImageSkyBox::_radiance_changed() {
if (cube_map_valid) {
static const int size[RADIANCE_SIZE_MAX] = {
256, 512, 1024, 2048
};
VS::get_singleton()->skybox_set_texture(sky_box, cube_map, size[get_radiance_size()]);
}
}
void ImageSkyBox::set_image_path(ImagePath p_image, const String &p_path) {
ERR_FAIL_INDEX(p_image, IMAGE_PATH_MAX);
image_path[p_image] = p_path;
bool all_ok = true;
for (int i = 0; i < IMAGE_PATH_MAX; i++) {
if (image_path[i] == String()) {
all_ok = false;
}
}
cube_map_valid = false;
if (all_ok) {
Image images[IMAGE_PATH_MAX];
int w = 0, h = 0;
Image::Format format;
for (int i = 0; i < IMAGE_PATH_MAX; i++) {
Error err = ImageLoader::load_image(image_path[i], &images[i]);
if (err) {
ERR_PRINTS("Error loading image for skybox: " + image_path[i]);
return;
}
if (i == 0) {
w = images[0].get_width();
h = images[0].get_height();
format = images[0].get_format();
} else {
if (images[i].get_width() != w || images[i].get_height() != h || images[i].get_format() != format) {
ERR_PRINTS("Image size mismatch (" + itos(images[i].get_width()) + "," + itos(images[i].get_height()) + ":" + Image::get_format_name(images[i].get_format()) + " when it should be " + itos(w) + "," + itos(h) + ":" + Image::get_format_name(format) + "): " + image_path[i]);
return;
}
}
}
VS::get_singleton()->texture_allocate(cube_map, w, h, format, VS::TEXTURE_FLAG_FILTER | VS::TEXTURE_FLAG_CUBEMAP | VS::TEXTURE_FLAG_MIPMAPS);
for (int i = 0; i < IMAGE_PATH_MAX; i++) {
VS::get_singleton()->texture_set_data(cube_map, images[i], VS::CubeMapSide(i));
}
cube_map_valid = true;
_radiance_changed();
}
}
String ImageSkyBox::get_image_path(ImagePath p_image) const {
ERR_FAIL_INDEX_V(p_image, IMAGE_PATH_MAX, String());
return image_path[p_image];
}
RID ImageSkyBox::get_rid() const {
return sky_box;
}
void ImageSkyBox::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_image_path", "image", "path"), &ImageSkyBox::set_image_path);
ClassDB::bind_method(D_METHOD("get_image_path", "image"), &ImageSkyBox::get_image_path);
List<String> extensions;
ImageLoader::get_recognized_extensions(&extensions);
String hints;
for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
if (hints != String()) {
hints += ",";
}
hints += "*." + E->get();
}
ADD_GROUP("Image Path", "image_path_");
ADD_PROPERTYI(PropertyInfo(Variant::STRING, "image_path_negative_x", PROPERTY_HINT_FILE, hints), "set_image_path", "get_image_path", IMAGE_PATH_NEGATIVE_X);
ADD_PROPERTYI(PropertyInfo(Variant::STRING, "image_path_positive_x", PROPERTY_HINT_FILE, hints), "set_image_path", "get_image_path", IMAGE_PATH_POSITIVE_X);
ADD_PROPERTYI(PropertyInfo(Variant::STRING, "image_path_negative_y", PROPERTY_HINT_FILE, hints), "set_image_path", "get_image_path", IMAGE_PATH_NEGATIVE_Y);
ADD_PROPERTYI(PropertyInfo(Variant::STRING, "image_path_positive_y", PROPERTY_HINT_FILE, hints), "set_image_path", "get_image_path", IMAGE_PATH_POSITIVE_Y);
ADD_PROPERTYI(PropertyInfo(Variant::STRING, "image_path_negative_z", PROPERTY_HINT_FILE, hints), "set_image_path", "get_image_path", IMAGE_PATH_NEGATIVE_Z);
ADD_PROPERTYI(PropertyInfo(Variant::STRING, "image_path_positive_z", PROPERTY_HINT_FILE, hints), "set_image_path", "get_image_path", IMAGE_PATH_POSITIVE_Z);
BIND_CONSTANT(IMAGE_PATH_NEGATIVE_X);
BIND_CONSTANT(IMAGE_PATH_POSITIVE_X);
BIND_CONSTANT(IMAGE_PATH_NEGATIVE_Y);
BIND_CONSTANT(IMAGE_PATH_POSITIVE_Y);
BIND_CONSTANT(IMAGE_PATH_NEGATIVE_Z);
BIND_CONSTANT(IMAGE_PATH_POSITIVE_Z);
BIND_CONSTANT(IMAGE_PATH_MAX);
}
ImageSkyBox::ImageSkyBox() {
cube_map = VS::get_singleton()->texture_create();
sky_box = VS::get_singleton()->skybox_create();
cube_map_valid = false;
}
ImageSkyBox::~ImageSkyBox() {
VS::get_singleton()->free(cube_map);
VS::get_singleton()->free(sky_box);
}