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

1838 lines
50 KiB
C++

/*************************************************************************/
/* texture.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 "texture.h"
#include "core/os/os.h"
#include "io/image_loader.h"
Size2 Texture::get_size() const {
return Size2(get_width(), get_height());
}
void Texture::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
VisualServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, Rect2(p_pos, get_size()), get_rid(), false, p_modulate, p_transpose);
}
void Texture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
VisualServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, p_rect, get_rid(), p_tile, p_modulate, p_transpose);
}
void Texture::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose) const {
VisualServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, p_rect, get_rid(), p_src_rect, p_modulate, p_transpose);
}
bool Texture::get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect, Rect2 &r_rect, Rect2 &r_src_rect) const {
r_rect = p_rect;
r_src_rect = p_src_rect;
return true;
}
void Texture::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_width"), &Texture::get_width);
ClassDB::bind_method(D_METHOD("get_height"), &Texture::get_height);
ClassDB::bind_method(D_METHOD("get_size"), &Texture::get_size);
ClassDB::bind_method(D_METHOD("has_alpha"), &Texture::has_alpha);
ClassDB::bind_method(D_METHOD("set_flags", "flags"), &Texture::set_flags);
ClassDB::bind_method(D_METHOD("get_flags"), &Texture::get_flags);
ClassDB::bind_method(D_METHOD("draw", "canvas_item", "pos", "modulate", "transpose"), &Texture::draw, DEFVAL(Color(1, 1, 1)), DEFVAL(false));
ClassDB::bind_method(D_METHOD("draw_rect", "canvas_item", "rect", "tile", "modulate", "transpose"), &Texture::draw_rect, DEFVAL(Color(1, 1, 1)), DEFVAL(false));
ClassDB::bind_method(D_METHOD("draw_rect_region", "canvas_item", "rect", "src_rect", "modulate", "transpose"), &Texture::draw_rect_region, DEFVAL(Color(1, 1, 1)), DEFVAL(false));
BIND_CONSTANT(FLAG_MIPMAPS);
BIND_CONSTANT(FLAG_REPEAT);
BIND_CONSTANT(FLAG_FILTER);
BIND_CONSTANT(FLAG_VIDEO_SURFACE);
BIND_CONSTANT(FLAGS_DEFAULT);
BIND_CONSTANT(FLAG_ANISOTROPIC_FILTER);
BIND_CONSTANT(FLAG_CONVERT_TO_LINEAR);
BIND_CONSTANT(FLAG_MIRRORED_REPEAT);
}
Texture::Texture() {
}
/////////////////////
void ImageTexture::reload_from_file() {
String path = get_path();
if (!path.is_resource_file())
return;
uint32_t flags = get_flags();
Image img;
Error err = ImageLoader::load_image(path, &img);
ERR_FAIL_COND(err != OK);
create_from_image(img, flags);
}
bool ImageTexture::_set(const StringName &p_name, const Variant &p_value) {
if (p_name == "image" && p_value.get_type() == Variant::IMAGE)
create_from_image(p_value, flags);
else if (p_name == "flags")
if (w * h == 0)
flags = p_value;
else
set_flags(p_value);
else if (p_name == "size") {
Size2 s = p_value;
w = s.width;
h = s.height;
VisualServer::get_singleton()->texture_set_size_override(texture, w, h);
} else if (p_name == "storage") {
storage = Storage(p_value.operator int());
} else if (p_name == "lossy_quality") {
lossy_storage_quality = p_value;
} else if (p_name == "_data") {
_set_data(p_value);
} else
return false;
return true;
}
bool ImageTexture::_get(const StringName &p_name, Variant &r_ret) const {
if (p_name == "image_data") {
} else if (p_name == "image")
r_ret = get_data();
else if (p_name == "flags")
r_ret = flags;
else if (p_name == "size")
r_ret = Size2(w, h);
else if (p_name == "storage")
r_ret = storage;
else if (p_name == "lossy_quality")
r_ret = lossy_storage_quality;
else
return false;
return true;
}
void ImageTexture::_get_property_list(List<PropertyInfo> *p_list) const {
PropertyHint img_hint = PROPERTY_HINT_NONE;
if (storage == STORAGE_COMPRESS_LOSSY) {
img_hint = PROPERTY_HINT_IMAGE_COMPRESS_LOSSY;
} else if (storage == STORAGE_COMPRESS_LOSSLESS) {
img_hint = PROPERTY_HINT_IMAGE_COMPRESS_LOSSLESS;
}
p_list->push_back(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Mipmaps,Repeat,Filter,Anisotropic,sRGB,Mirrored Repeat"));
p_list->push_back(PropertyInfo(Variant::IMAGE, "image", img_hint, String::num(lossy_storage_quality)));
p_list->push_back(PropertyInfo(Variant::VECTOR2, "size", PROPERTY_HINT_NONE, ""));
p_list->push_back(PropertyInfo(Variant::INT, "storage", PROPERTY_HINT_ENUM, "Uncompressed,Compress Lossy,Compress Lossless"));
p_list->push_back(PropertyInfo(Variant::REAL, "lossy_quality", PROPERTY_HINT_RANGE, "0.0,1.0,0.01"));
}
void ImageTexture::_reload_hook(const RID &p_hook) {
String path = get_path();
if (!path.is_resource_file())
return;
Image img;
Error err = ImageLoader::load_image(path, &img);
ERR_FAIL_COND(err != OK);
VisualServer::get_singleton()->texture_set_data(texture, img);
_change_notify();
}
void ImageTexture::create(int p_width, int p_height, Image::Format p_format, uint32_t p_flags) {
flags = p_flags;
VisualServer::get_singleton()->texture_allocate(texture, p_width, p_height, p_format, p_flags);
format = p_format;
w = p_width;
h = p_height;
}
void ImageTexture::create_from_image(const Image &p_image, uint32_t p_flags) {
flags = p_flags;
w = p_image.get_width();
h = p_image.get_height();
format = p_image.get_format();
VisualServer::get_singleton()->texture_allocate(texture, p_image.get_width(), p_image.get_height(), p_image.get_format(), p_flags);
VisualServer::get_singleton()->texture_set_data(texture, p_image);
_change_notify();
}
void ImageTexture::set_flags(uint32_t p_flags) {
/* uint32_t cube = flags & FLAG_CUBEMAP;
if (flags == p_flags&cube)
return;
flags=p_flags|cube; */
flags = p_flags;
VisualServer::get_singleton()->texture_set_flags(texture, p_flags);
}
uint32_t ImageTexture::get_flags() const {
return ImageTexture::flags;
}
Image::Format ImageTexture::get_format() const {
return format;
}
void ImageTexture::load(const String &p_path) {
Image img;
img.load(p_path);
create_from_image(img);
}
void ImageTexture::set_data(const Image &p_image) {
VisualServer::get_singleton()->texture_set_data(texture, p_image);
_change_notify();
}
void ImageTexture::_resource_path_changed() {
String path = get_path();
}
Image ImageTexture::get_data() const {
return VisualServer::get_singleton()->texture_get_data(texture);
}
int ImageTexture::get_width() const {
return w;
}
int ImageTexture::get_height() const {
return h;
}
RID ImageTexture::get_rid() const {
return texture;
}
void ImageTexture::fix_alpha_edges() {
if (format == Image::FORMAT_RGBA8 /*&& !(flags&FLAG_CUBEMAP)*/) {
Image img = get_data();
img.fix_alpha_edges();
set_data(img);
}
}
void ImageTexture::premultiply_alpha() {
if (format == Image::FORMAT_RGBA8 /*&& !(flags&FLAG_CUBEMAP)*/) {
Image img = get_data();
img.premultiply_alpha();
set_data(img);
}
}
void ImageTexture::normal_to_xy() {
Image img = get_data();
img.normalmap_to_xy();
create_from_image(img, flags);
}
void ImageTexture::shrink_x2_and_keep_size() {
Size2 sizeov = get_size();
Image img = get_data();
img.resize(img.get_width() / 2, img.get_height() / 2, Image::INTERPOLATE_BILINEAR);
create_from_image(img, flags);
set_size_override(sizeov);
}
bool ImageTexture::has_alpha() const {
return (format == Image::FORMAT_LA8 || format == Image::FORMAT_RGBA8);
}
void ImageTexture::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0)
return;
VisualServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, Rect2(p_pos, Size2(w, h)), texture, false, p_modulate, p_transpose);
}
void ImageTexture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0)
return;
VisualServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, p_rect, texture, p_tile, p_modulate, p_transpose);
}
void ImageTexture::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0)
return;
VisualServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, p_rect, texture, p_src_rect, p_modulate, p_transpose);
}
void ImageTexture::set_size_override(const Size2 &p_size) {
Size2 s = p_size;
if (s.x != 0)
w = s.x;
if (s.y != 0)
h = s.y;
VisualServer::get_singleton()->texture_set_size_override(texture, w, h);
}
void ImageTexture::set_path(const String &p_path, bool p_take_over) {
if (texture.is_valid()) {
VisualServer::get_singleton()->texture_set_path(texture, p_path);
}
Resource::set_path(p_path, p_take_over);
}
void ImageTexture::set_storage(Storage p_storage) {
storage = p_storage;
}
ImageTexture::Storage ImageTexture::get_storage() const {
return storage;
}
void ImageTexture::set_lossy_storage_quality(float p_lossy_storage_quality) {
lossy_storage_quality = p_lossy_storage_quality;
}
float ImageTexture::get_lossy_storage_quality() const {
return lossy_storage_quality;
}
void ImageTexture::_set_data(Dictionary p_data) {
Image img = p_data["image"];
uint32_t flags = p_data["flags"];
create_from_image(img, flags);
set_storage(Storage(p_data["storage"].operator int()));
set_lossy_storage_quality(p_data["lossy_quality"]);
set_size_override(p_data["size"]);
};
void ImageTexture::_bind_methods() {
ClassDB::bind_method(D_METHOD("create", "width", "height", "format", "flags"), &ImageTexture::create, DEFVAL(FLAGS_DEFAULT));
ClassDB::bind_method(D_METHOD("create_from_image", "image", "flags"), &ImageTexture::create_from_image, DEFVAL(FLAGS_DEFAULT));
ClassDB::bind_method(D_METHOD("get_format"), &ImageTexture::get_format);
ClassDB::bind_method(D_METHOD("load", "path"), &ImageTexture::load);
ClassDB::bind_method(D_METHOD("set_data", "image"), &ImageTexture::set_data);
ClassDB::bind_method(D_METHOD("get_data", "cube_side"), &ImageTexture::get_data);
ClassDB::bind_method(D_METHOD("set_storage", "mode"), &ImageTexture::set_storage);
ClassDB::bind_method(D_METHOD("get_storage"), &ImageTexture::get_storage);
ClassDB::bind_method(D_METHOD("set_lossy_storage_quality", "quality"), &ImageTexture::set_lossy_storage_quality);
ClassDB::bind_method(D_METHOD("get_lossy_storage_quality"), &ImageTexture::get_lossy_storage_quality);
ClassDB::bind_method(D_METHOD("fix_alpha_edges"), &ImageTexture::fix_alpha_edges);
ClassDB::bind_method(D_METHOD("premultiply_alpha"), &ImageTexture::premultiply_alpha);
ClassDB::bind_method(D_METHOD("normal_to_xy"), &ImageTexture::normal_to_xy);
ClassDB::bind_method(D_METHOD("shrink_x2_and_keep_size"), &ImageTexture::shrink_x2_and_keep_size);
ClassDB::bind_method(D_METHOD("set_size_override", "size"), &ImageTexture::set_size_override);
ClassDB::set_method_flags(get_class_static(), _scs_create("fix_alpha_edges"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR);
ClassDB::set_method_flags(get_class_static(), _scs_create("premultiply_alpha"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR);
ClassDB::set_method_flags(get_class_static(), _scs_create("normal_to_xy"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR);
ClassDB::set_method_flags(get_class_static(), _scs_create("shrink_x2_and_keep_size"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR);
ClassDB::bind_method(D_METHOD("_reload_hook", "rid"), &ImageTexture::_reload_hook);
BIND_CONSTANT(STORAGE_RAW);
BIND_CONSTANT(STORAGE_COMPRESS_LOSSY);
BIND_CONSTANT(STORAGE_COMPRESS_LOSSLESS);
}
ImageTexture::ImageTexture() {
w = h = 0;
flags = FLAGS_DEFAULT;
texture = VisualServer::get_singleton()->texture_create();
storage = STORAGE_RAW;
lossy_storage_quality = 0.7;
}
ImageTexture::~ImageTexture() {
VisualServer::get_singleton()->free(texture);
}
//////////////////////////////////////////
void StreamTexture::_requested_3d(void *p_ud) {
StreamTexture *st = (StreamTexture *)p_ud;
Ref<StreamTexture> stex(st);
ERR_FAIL_COND(!request_3d_callback);
request_3d_callback(stex);
}
void StreamTexture::_requested_srgb(void *p_ud) {
StreamTexture *st = (StreamTexture *)p_ud;
Ref<StreamTexture> stex(st);
ERR_FAIL_COND(!request_srgb_callback);
request_srgb_callback(stex);
}
StreamTexture::TextureFormatRequestCallback StreamTexture::request_3d_callback = NULL;
StreamTexture::TextureFormatRequestCallback StreamTexture::request_srgb_callback = NULL;
uint32_t StreamTexture::get_flags() const {
return flags;
}
Image::Format StreamTexture::get_format() const {
return format;
}
Error StreamTexture::_load_data(const String &p_path, int &tw, int &th, int &flags, Image &image, int p_size_limit) {
FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V(!f, ERR_CANT_OPEN);
uint8_t header[4];
f->get_buffer(header, 4);
if (header[0] != 'G' || header[1] != 'D' || header[2] != 'S' || header[3] != 'T') {
memdelete(f);
ERR_FAIL_COND_V(header[0] != 'G' || header[1] != 'D' || header[2] != 'S' || header[3] != 'T', ERR_FILE_CORRUPT);
}
tw = f->get_32();
th = f->get_32();
flags = f->get_32(); //texture flags!
uint32_t df = f->get_32(); //data format
print_line("width: " + itos(tw));
print_line("height: " + itos(th));
print_line("flags: " + itos(flags));
print_line("df: " + itos(df));
if (request_3d_callback && df & FORMAT_BIT_DETECT_3D) {
print_line("request detect 3D at " + p_path);
VS::get_singleton()->texture_set_detect_3d_callback(texture, _requested_3d, this);
} else {
print_line("not requesting detect 3D at " + p_path);
VS::get_singleton()->texture_set_detect_3d_callback(texture, NULL, NULL);
}
if (request_srgb_callback && df & FORMAT_BIT_DETECT_SRGB) {
print_line("request detect srgb at " + p_path);
VS::get_singleton()->texture_set_detect_srgb_callback(texture, _requested_srgb, this);
} else {
VS::get_singleton()->texture_set_detect_srgb_callback(texture, NULL, NULL);
print_line("not requesting detect srgb at " + p_path);
}
if (!(df & FORMAT_BIT_STREAM)) {
p_size_limit = 0;
}
if (df & FORMAT_BIT_LOSSLESS || df & FORMAT_BIT_LOSSY) {
//look for a PNG or WEBP file inside
int sw = tw;
int sh = th;
uint32_t mipmaps = f->get_32();
uint32_t size = f->get_32();
print_line("mipmaps: " + itos(mipmaps));
while (mipmaps > 1 && p_size_limit > 0 && (sw > p_size_limit || sh > p_size_limit)) {
f->seek(f->get_pos() + size);
mipmaps = f->get_32();
size = f->get_32();
sw = MAX(sw >> 1, 1);
sh = MAX(sh >> 1, 1);
mipmaps--;
}
//mipmaps need to be read independently, they will be later combined
Vector<Image> mipmap_images;
int total_size = 0;
for (int i = 0; i < mipmaps; i++) {
if (i > 0) {
size = f->get_32();
}
PoolVector<uint8_t> pv;
pv.resize(size);
{
PoolVector<uint8_t>::Write w = pv.write();
f->get_buffer(w.ptr(), size);
}
Image img;
if (df & FORMAT_BIT_LOSSLESS) {
img = Image::lossless_unpacker(pv);
} else {
img = Image::lossy_unpacker(pv);
}
if (img.empty()) {
memdelete(f);
ERR_FAIL_COND_V(img.empty(), ERR_FILE_CORRUPT);
}
total_size += img.get_data().size();
mipmap_images.push_back(img);
}
print_line("mipmap read total: " + itos(mipmap_images.size()));
memdelete(f); //no longer needed
if (mipmap_images.size() == 1) {
image = mipmap_images[0];
return OK;
} else {
PoolVector<uint8_t> img_data;
img_data.resize(total_size);
{
PoolVector<uint8_t>::Write w = img_data.write();
int ofs = 0;
for (int i = 0; i < mipmap_images.size(); i++) {
PoolVector<uint8_t> id = mipmap_images[i].get_data();
int len = id.size();
PoolVector<uint8_t>::Read r = id.read();
copymem(&w[ofs], r.ptr(), len);
ofs += len;
}
}
image = Image(sw, sh, true, mipmap_images[0].get_format(), img_data);
return OK;
}
} else {
//look for regular format
Image::Format format = (Image::Format)(df & FORMAT_MASK_IMAGE_FORMAT);
bool mipmaps = df & FORMAT_BIT_HAS_MIPMAPS;
if (!mipmaps) {
int size = Image::get_image_data_size(tw, th, format, 0);
PoolVector<uint8_t> img_data;
img_data.resize(size);
{
PoolVector<uint8_t>::Write w = img_data.write();
f->get_buffer(w.ptr(), size);
}
memdelete(f);
image = Image(tw, th, false, format, img_data);
return OK;
} else {
int sw = tw;
int sh = th;
int mipmaps = Image::get_image_required_mipmaps(tw, th, format);
int total_size = Image::get_image_data_size(tw, th, format, mipmaps);
int idx = 0;
int ofs = 0;
while (mipmaps > 1 && p_size_limit > 0 && (sw > p_size_limit || sh > p_size_limit)) {
sw = MAX(sw >> 1, 1);
sh = MAX(sh >> 1, 1);
mipmaps--;
idx++;
}
if (idx > 0) {
ofs = Image::get_image_data_size(tw, th, format, idx - 1);
}
if (total_size - ofs <= 0) {
memdelete(f);
ERR_FAIL_V(ERR_FILE_CORRUPT);
}
f->seek(f->get_pos() + ofs);
PoolVector<uint8_t> img_data;
img_data.resize(total_size - ofs);
{
PoolVector<uint8_t>::Write w = img_data.write();
int bytes = f->get_buffer(w.ptr(), total_size - ofs);
print_line("requested read: " + itos(total_size - ofs) + " but got: " + itos(bytes));
memdelete(f);
if (bytes != total_size - ofs) {
ERR_FAIL_V(ERR_FILE_CORRUPT);
}
}
image = Image(sw, sh, true, format, img_data);
return OK;
}
}
return ERR_BUG; //unreachable
}
Error StreamTexture::load(const String &p_path) {
int lw, lh, lflags;
Image image;
Error err = _load_data(p_path, lw, lh, lflags, image);
if (err)
return err;
VS::get_singleton()->texture_allocate(texture, image.get_width(), image.get_height(), image.get_format(), lflags);
VS::get_singleton()->texture_set_data(texture, image);
w = lw;
h = lh;
flags = lflags;
path_to_file = p_path;
format = image.get_format();
return OK;
}
String StreamTexture::get_load_path() const {
return path_to_file;
}
int StreamTexture::get_width() const {
return w;
}
int StreamTexture::get_height() const {
return h;
}
RID StreamTexture::get_rid() const {
return texture;
}
void StreamTexture::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0)
return;
VisualServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, Rect2(p_pos, Size2(w, h)), texture, false, p_modulate, p_transpose);
}
void StreamTexture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0)
return;
VisualServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, p_rect, texture, p_tile, p_modulate, p_transpose);
}
void StreamTexture::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose) const {
if ((w | h) == 0)
return;
VisualServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, p_rect, texture, p_src_rect, p_modulate, p_transpose);
}
bool StreamTexture::has_alpha() const {
return false;
}
Image StreamTexture::get_data() const {
return VS::get_singleton()->texture_get_data(texture);
}
void StreamTexture::set_flags(uint32_t p_flags) {
}
void StreamTexture::reload_from_file() {
#ifdef TOOLS_ENABLED
String ipath = get_import_path();
if (ipath.is_resource_file() && ipath != path_to_file) {
path_to_file = ipath;
}
#endif
load(path_to_file);
}
void StreamTexture::_bind_methods() {
ClassDB::bind_method(D_METHOD("load", "path"), &StreamTexture::load);
ClassDB::bind_method(D_METHOD("get_load_path"), &StreamTexture::get_load_path);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "load_path", PROPERTY_HINT_FILE, "*.stex"), "load", "get_load_path");
}
StreamTexture::StreamTexture() {
format = Image::FORMAT_MAX;
flags = 0;
w = 0;
h = 0;
texture = VS::get_singleton()->texture_create();
}
StreamTexture::~StreamTexture() {
VS::get_singleton()->free(texture);
}
RES ResourceFormatLoaderStreamTexture::load(const String &p_path, const String &p_original_path, Error *r_error) {
Ref<StreamTexture> st;
st.instance();
Error err = st->load(p_path);
if (r_error)
*r_error = err;
if (err != OK)
return RES();
return st;
}
void ResourceFormatLoaderStreamTexture::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("stex");
}
bool ResourceFormatLoaderStreamTexture::handles_type(const String &p_type) const {
return p_type == "StreamTexture";
}
String ResourceFormatLoaderStreamTexture::get_resource_type(const String &p_path) const {
if (p_path.get_extension().to_lower() == "stex")
return "StreamTexture";
return "";
}
//////////////////////////////////////////
int AtlasTexture::get_width() const {
if (region.size.width == 0) {
if (atlas.is_valid())
return atlas->get_width();
return 1;
} else {
return region.size.width + margin.size.width;
}
}
int AtlasTexture::get_height() const {
if (region.size.height == 0) {
if (atlas.is_valid())
return atlas->get_height();
return 1;
} else {
return region.size.height + margin.size.height;
}
}
RID AtlasTexture::get_rid() const {
if (atlas.is_valid())
return atlas->get_rid();
return RID();
}
bool AtlasTexture::has_alpha() const {
if (atlas.is_valid())
return atlas->has_alpha();
return false;
}
void AtlasTexture::set_flags(uint32_t p_flags) {
if (atlas.is_valid())
atlas->set_flags(p_flags);
}
uint32_t AtlasTexture::get_flags() const {
if (atlas.is_valid())
return atlas->get_flags();
return 0;
}
void AtlasTexture::set_atlas(const Ref<Texture> &p_atlas) {
if (atlas == p_atlas)
return;
atlas = p_atlas;
emit_changed();
emit_signal("atlas_changed");
}
Ref<Texture> AtlasTexture::get_atlas() const {
return atlas;
}
void AtlasTexture::set_region(const Rect2 &p_region) {
region = p_region;
emit_changed();
}
Rect2 AtlasTexture::get_region() const {
return region;
}
void AtlasTexture::set_margin(const Rect2 &p_margin) {
margin = p_margin;
emit_changed();
}
Rect2 AtlasTexture::get_margin() const {
return margin;
}
void AtlasTexture::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_atlas", "atlas:Texture"), &AtlasTexture::set_atlas);
ClassDB::bind_method(D_METHOD("get_atlas:Texture"), &AtlasTexture::get_atlas);
ClassDB::bind_method(D_METHOD("set_region", "region"), &AtlasTexture::set_region);
ClassDB::bind_method(D_METHOD("get_region"), &AtlasTexture::get_region);
ClassDB::bind_method(D_METHOD("set_margin", "margin"), &AtlasTexture::set_margin);
ClassDB::bind_method(D_METHOD("get_margin"), &AtlasTexture::get_margin);
ADD_SIGNAL(MethodInfo("atlas_changed"));
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "atlas", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_atlas", "get_atlas");
ADD_PROPERTY(PropertyInfo(Variant::RECT2, "region"), "set_region", "get_region");
ADD_PROPERTY(PropertyInfo(Variant::RECT2, "margin"), "set_margin", "get_margin");
}
void AtlasTexture::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
Rect2 rc = region;
if (!atlas.is_valid())
return;
if (rc.size.width == 0) {
rc.size.width = atlas->get_width();
}
if (rc.size.height == 0) {
rc.size.height = atlas->get_height();
}
VS::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, Rect2(p_pos + margin.pos, rc.size), atlas->get_rid(), rc, p_modulate, p_transpose);
}
void AtlasTexture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
Rect2 rc = region;
if (!atlas.is_valid())
return;
if (rc.size.width == 0) {
rc.size.width = atlas->get_width();
}
if (rc.size.height == 0) {
rc.size.height = atlas->get_height();
}
Vector2 scale = p_rect.size / (region.size + margin.size);
Rect2 dr(p_rect.pos + margin.pos * scale, rc.size * scale);
VS::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, dr, atlas->get_rid(), rc, p_modulate, p_transpose);
}
void AtlasTexture::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose) const {
//this might not necessarily work well if using a rect, needs to be fixed properly
Rect2 rc = region;
if (!atlas.is_valid())
return;
Rect2 src = p_src_rect;
src.pos += (rc.pos - margin.pos);
Rect2 src_c = rc.clip(src);
if (src_c.size == Size2())
return;
Vector2 ofs = (src_c.pos - src.pos);
Vector2 scale = p_rect.size / p_src_rect.size;
if (scale.x < 0) {
float mx = (margin.size.width - margin.pos.x);
mx -= margin.pos.x;
ofs.x = -(ofs.x + mx);
}
if (scale.y < 0) {
float my = margin.size.height - margin.pos.y;
my -= margin.pos.y;
ofs.y = -(ofs.y + my);
}
Rect2 dr(p_rect.pos + ofs * scale, src_c.size * scale);
VS::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, dr, atlas->get_rid(), src_c, p_modulate, p_transpose);
}
bool AtlasTexture::get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect, Rect2 &r_rect, Rect2 &r_src_rect) const {
Rect2 rc = region;
if (!atlas.is_valid())
return false;
Rect2 src = p_src_rect;
src.pos += (rc.pos - margin.pos);
Rect2 src_c = rc.clip(src);
if (src_c.size == Size2())
return false;
Vector2 ofs = (src_c.pos - src.pos);
Vector2 scale = p_rect.size / p_src_rect.size;
if (scale.x < 0) {
float mx = (margin.size.width - margin.pos.x);
mx -= margin.pos.x;
ofs.x = -(ofs.x + mx);
}
if (scale.y < 0) {
float my = margin.size.height - margin.pos.y;
my -= margin.pos.y;
ofs.y = -(ofs.y + my);
}
Rect2 dr(p_rect.pos + ofs * scale, src_c.size * scale);
r_rect = dr;
r_src_rect = src_c;
return true;
}
AtlasTexture::AtlasTexture() {
}
//////////////////////////////////////////
int LargeTexture::get_width() const {
return size.width;
}
int LargeTexture::get_height() const {
return size.height;
}
RID LargeTexture::get_rid() const {
return RID();
}
bool LargeTexture::has_alpha() const {
for (int i = 0; i < pieces.size(); i++) {
if (pieces[i].texture->has_alpha())
return true;
}
return false;
}
void LargeTexture::set_flags(uint32_t p_flags) {
for (int i = 0; i < pieces.size(); i++) {
pieces[i].texture->set_flags(p_flags);
}
}
uint32_t LargeTexture::get_flags() const {
if (pieces.size())
return pieces[0].texture->get_flags();
return 0;
}
int LargeTexture::add_piece(const Point2 &p_offset, const Ref<Texture> &p_texture) {
ERR_FAIL_COND_V(p_texture.is_null(), -1);
Piece p;
p.offset = p_offset;
p.texture = p_texture;
pieces.push_back(p);
return pieces.size() - 1;
}
void LargeTexture::set_piece_offset(int p_idx, const Point2 &p_offset) {
ERR_FAIL_INDEX(p_idx, pieces.size());
pieces[p_idx].offset = p_offset;
};
void LargeTexture::set_piece_texture(int p_idx, const Ref<Texture> &p_texture) {
ERR_FAIL_INDEX(p_idx, pieces.size());
pieces[p_idx].texture = p_texture;
};
void LargeTexture::set_size(const Size2 &p_size) {
size = p_size;
}
void LargeTexture::clear() {
pieces.clear();
size = Size2i();
}
Array LargeTexture::_get_data() const {
Array arr;
for (int i = 0; i < pieces.size(); i++) {
arr.push_back(pieces[i].offset);
arr.push_back(pieces[i].texture);
}
arr.push_back(Size2(size));
return arr;
}
void LargeTexture::_set_data(const Array &p_array) {
ERR_FAIL_COND(p_array.size() < 1);
ERR_FAIL_COND(!(p_array.size() & 1));
clear();
for (int i = 0; i < p_array.size() - 1; i += 2) {
add_piece(p_array[i], p_array[i + 1]);
}
size = Size2(p_array[p_array.size() - 1]);
}
int LargeTexture::get_piece_count() const {
return pieces.size();
}
Vector2 LargeTexture::get_piece_offset(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, pieces.size(), Vector2());
return pieces[p_idx].offset;
}
Ref<Texture> LargeTexture::get_piece_texture(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, pieces.size(), Ref<Texture>());
return pieces[p_idx].texture;
}
void LargeTexture::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_piece", "ofs", "texture:Texture"), &LargeTexture::add_piece);
ClassDB::bind_method(D_METHOD("set_piece_offset", "idx", "ofs"), &LargeTexture::set_piece_offset);
ClassDB::bind_method(D_METHOD("set_piece_texture", "idx", "texture:Texture"), &LargeTexture::set_piece_texture);
ClassDB::bind_method(D_METHOD("set_size", "size"), &LargeTexture::set_size);
ClassDB::bind_method(D_METHOD("clear"), &LargeTexture::clear);
ClassDB::bind_method(D_METHOD("get_piece_count"), &LargeTexture::get_piece_count);
ClassDB::bind_method(D_METHOD("get_piece_offset", "idx"), &LargeTexture::get_piece_offset);
ClassDB::bind_method(D_METHOD("get_piece_texture:Texture", "idx"), &LargeTexture::get_piece_texture);
ClassDB::bind_method(D_METHOD("_set_data", "data"), &LargeTexture::_set_data);
ClassDB::bind_method(D_METHOD("_get_data"), &LargeTexture::_get_data);
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "_set_data", "_get_data");
}
void LargeTexture::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
for (int i = 0; i < pieces.size(); i++) {
// TODO
pieces[i].texture->draw(p_canvas_item, pieces[i].offset + p_pos, p_modulate, p_transpose);
}
}
void LargeTexture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
//tiling not supported for this
if (size.x == 0 || size.y == 0)
return;
Size2 scale = p_rect.size / size;
for (int i = 0; i < pieces.size(); i++) {
// TODO
pieces[i].texture->draw_rect(p_canvas_item, Rect2(pieces[i].offset * scale + p_rect.pos, pieces[i].texture->get_size() * scale), false, p_modulate, p_transpose);
}
}
void LargeTexture::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose) const {
//tiling not supported for this
if (p_src_rect.size.x == 0 || p_src_rect.size.y == 0)
return;
Size2 scale = p_rect.size / p_src_rect.size;
for (int i = 0; i < pieces.size(); i++) {
// TODO
Rect2 rect(pieces[i].offset, pieces[i].texture->get_size());
if (!p_src_rect.intersects(rect))
continue;
Rect2 local = p_src_rect.clip(rect);
Rect2 target = local;
target.size *= scale;
target.pos = p_rect.pos + (p_src_rect.pos + rect.pos) * scale;
local.pos -= rect.pos;
pieces[i].texture->draw_rect_region(p_canvas_item, target, local, p_modulate, p_transpose);
}
}
LargeTexture::LargeTexture() {
}
///////////////////////////////////////////////
void CubeMap::set_flags(uint32_t p_flags) {
flags = p_flags;
if (_is_valid())
VS::get_singleton()->texture_set_flags(cubemap, flags | VS::TEXTURE_FLAG_CUBEMAP);
}
uint32_t CubeMap::get_flags() const {
return flags;
}
void CubeMap::set_side(Side p_side, const Image &p_image) {
ERR_FAIL_COND(p_image.empty());
ERR_FAIL_INDEX(p_side, 6);
if (!_is_valid()) {
format = p_image.get_format();
w = p_image.get_width();
h = p_image.get_height();
VS::get_singleton()->texture_allocate(cubemap, w, h, p_image.get_format(), flags | VS::TEXTURE_FLAG_CUBEMAP);
}
VS::get_singleton()->texture_set_data(cubemap, p_image, VS::CubeMapSide(p_side));
valid[p_side] = true;
}
Image CubeMap::get_side(Side p_side) const {
if (!valid[p_side])
return Image();
return VS::get_singleton()->texture_get_data(cubemap, VS::CubeMapSide(p_side));
}
Image::Format CubeMap::get_format() const {
return format;
}
int CubeMap::get_width() const {
return w;
}
int CubeMap::get_height() const {
return h;
}
RID CubeMap::get_rid() const {
return cubemap;
}
void CubeMap::set_storage(Storage p_storage) {
storage = p_storage;
}
CubeMap::Storage CubeMap::get_storage() const {
return storage;
}
void CubeMap::set_lossy_storage_quality(float p_lossy_storage_quality) {
lossy_storage_quality = p_lossy_storage_quality;
}
float CubeMap::get_lossy_storage_quality() const {
return lossy_storage_quality;
}
void CubeMap::set_path(const String &p_path, bool p_take_over) {
if (cubemap.is_valid()) {
VisualServer::get_singleton()->texture_set_path(cubemap, p_path);
}
Resource::set_path(p_path, p_take_over);
}
bool CubeMap::_set(const StringName &p_name, const Variant &p_value) {
if (p_name == "side/left") {
set_side(SIDE_LEFT, p_value);
} else if (p_name == "side/right") {
set_side(SIDE_RIGHT, p_value);
} else if (p_name == "side/bottom") {
set_side(SIDE_BOTTOM, p_value);
} else if (p_name == "side/top") {
set_side(SIDE_TOP, p_value);
} else if (p_name == "side/front") {
set_side(SIDE_FRONT, p_value);
} else if (p_name == "side/back") {
set_side(SIDE_BACK, p_value);
} else if (p_name == "flags") {
set_flags(p_value);
} else if (p_name == "storage") {
storage = Storage(p_value.operator int());
} else if (p_name == "lossy_quality") {
lossy_storage_quality = p_value;
} else
return false;
return true;
}
bool CubeMap::_get(const StringName &p_name, Variant &r_ret) const {
if (p_name == "side/left") {
r_ret = get_side(SIDE_LEFT);
} else if (p_name == "side/right") {
r_ret = get_side(SIDE_RIGHT);
} else if (p_name == "side/bottom") {
r_ret = get_side(SIDE_BOTTOM);
} else if (p_name == "side/top") {
r_ret = get_side(SIDE_TOP);
} else if (p_name == "side/front") {
r_ret = get_side(SIDE_FRONT);
} else if (p_name == "side/back") {
r_ret = get_side(SIDE_BACK);
} else if (p_name == "flags") {
r_ret = flags;
} else if (p_name == "storage") {
r_ret = storage;
} else if (p_name == "lossy_quality") {
r_ret = lossy_storage_quality;
} else
return false;
return true;
}
void CubeMap::_get_property_list(List<PropertyInfo> *p_list) const {
PropertyHint img_hint = PROPERTY_HINT_NONE;
if (storage == STORAGE_COMPRESS_LOSSY) {
img_hint = PROPERTY_HINT_IMAGE_COMPRESS_LOSSY;
} else if (storage == STORAGE_COMPRESS_LOSSLESS) {
img_hint = PROPERTY_HINT_IMAGE_COMPRESS_LOSSLESS;
}
p_list->push_back(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Mipmaps,Repeat,Filter"));
p_list->push_back(PropertyInfo(Variant::IMAGE, "side/left", img_hint, String::num(lossy_storage_quality)));
p_list->push_back(PropertyInfo(Variant::IMAGE, "side/right", img_hint, String::num(lossy_storage_quality)));
p_list->push_back(PropertyInfo(Variant::IMAGE, "side/bottom", img_hint, String::num(lossy_storage_quality)));
p_list->push_back(PropertyInfo(Variant::IMAGE, "side/top", img_hint, String::num(lossy_storage_quality)));
p_list->push_back(PropertyInfo(Variant::IMAGE, "side/front", img_hint, String::num(lossy_storage_quality)));
p_list->push_back(PropertyInfo(Variant::IMAGE, "side/back", img_hint, String::num(lossy_storage_quality)));
p_list->push_back(PropertyInfo(Variant::INT, "storage", PROPERTY_HINT_ENUM, "Uncompressed,Compress Lossy,Compress Lossless", PROPERTY_USAGE_EDITOR));
p_list->push_back(PropertyInfo(Variant::REAL, "lossy_quality", PROPERTY_HINT_RANGE, "0.0,1.0,0.01"));
}
void CubeMap::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_width"), &CubeMap::get_width);
ClassDB::bind_method(D_METHOD("get_height"), &CubeMap::get_height);
//ClassDB::bind_method(D_METHOD("get_rid"),&CubeMap::get_rid);
ClassDB::bind_method(D_METHOD("set_flags", "flags"), &CubeMap::set_flags);
ClassDB::bind_method(D_METHOD("get_flags"), &CubeMap::get_flags);
ClassDB::bind_method(D_METHOD("set_side", "side", "image"), &CubeMap::set_side);
ClassDB::bind_method(D_METHOD("get_side", "side"), &CubeMap::get_side);
ClassDB::bind_method(D_METHOD("set_storage", "mode"), &CubeMap::set_storage);
ClassDB::bind_method(D_METHOD("get_storage"), &CubeMap::get_storage);
ClassDB::bind_method(D_METHOD("set_lossy_storage_quality", "quality"), &CubeMap::set_lossy_storage_quality);
ClassDB::bind_method(D_METHOD("get_lossy_storage_quality"), &CubeMap::get_lossy_storage_quality);
BIND_CONSTANT(STORAGE_RAW);
BIND_CONSTANT(STORAGE_COMPRESS_LOSSY);
BIND_CONSTANT(STORAGE_COMPRESS_LOSSLESS);
BIND_CONSTANT(SIDE_LEFT);
BIND_CONSTANT(SIDE_RIGHT);
BIND_CONSTANT(SIDE_BOTTOM);
BIND_CONSTANT(SIDE_TOP);
BIND_CONSTANT(SIDE_FRONT);
BIND_CONSTANT(SIDE_BACK);
BIND_CONSTANT(FLAG_MIPMAPS);
BIND_CONSTANT(FLAG_REPEAT);
BIND_CONSTANT(FLAG_FILTER);
BIND_CONSTANT(FLAGS_DEFAULT);
}
CubeMap::CubeMap() {
w = h = 0;
flags = FLAGS_DEFAULT;
for (int i = 0; i < 6; i++)
valid[i] = false;
cubemap = VisualServer::get_singleton()->texture_create();
storage = STORAGE_RAW;
lossy_storage_quality = 0.7;
}
CubeMap::~CubeMap() {
VisualServer::get_singleton()->free(cubemap);
}
/* BIND_CONSTANT( FLAG_CUBEMAP );
BIND_CONSTANT( CUBEMAP_LEFT );
BIND_CONSTANT( CUBEMAP_RIGHT );
BIND_CONSTANT( CUBEMAP_BOTTOM );
BIND_CONSTANT( CUBEMAP_TOP );
BIND_CONSTANT( CUBEMAP_FRONT );
BIND_CONSTANT( CUBEMAP_BACK );
*/
///////////////////////////
void CurveTexture::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_max", "max"), &CurveTexture::set_max);
ClassDB::bind_method(D_METHOD("get_max"), &CurveTexture::get_max);
ClassDB::bind_method(D_METHOD("set_min", "min"), &CurveTexture::set_min);
ClassDB::bind_method(D_METHOD("get_min"), &CurveTexture::get_min);
ClassDB::bind_method(D_METHOD("set_width", "width"), &CurveTexture::set_width);
ClassDB::bind_method(D_METHOD("set_points", "points"), &CurveTexture::set_points);
ClassDB::bind_method(D_METHOD("get_points"), &CurveTexture::get_points);
ADD_PROPERTY(PropertyInfo(Variant::REAL, "min", PROPERTY_HINT_RANGE, "-1024,1024"), "set_min", "get_min");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "max", PROPERTY_HINT_RANGE, "-1024,1024"), "set_max", "get_max");
ADD_PROPERTY(PropertyInfo(Variant::INT, "width", PROPERTY_HINT_RANGE, "32,4096"), "set_width", "get_width");
ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "points"), "set_points", "get_points");
}
void CurveTexture::set_max(float p_max) {
max = p_max;
emit_changed();
}
float CurveTexture::get_max() const {
return max;
}
void CurveTexture::set_min(float p_min) {
min = p_min;
emit_changed();
}
float CurveTexture::get_min() const {
return min;
}
void CurveTexture::set_width(int p_width) {
ERR_FAIL_COND(p_width < 32 || p_width > 4096);
width = p_width;
if (points.size())
set_points(points);
}
int CurveTexture::get_width() const {
return width;
}
static void _plot_curve(const Vector2 &p_a, const Vector2 &p_b, const Vector2 &p_c, const Vector2 &p_d, float *p_heights, bool *p_useds, int p_width, float p_min, float p_max) {
float geometry[4][4];
float tmp1[4][4];
float tmp2[4][4];
float deltas[4][4];
double x, dx, dx2, dx3;
double y, dy, dy2, dy3;
double d, d2, d3;
int lastx;
int newx;
float lasty;
float newy;
int ntimes;
int i, j;
int xmax = p_width;
/* construct the geometry matrix from the segment */
for (i = 0; i < 4; i++) {
geometry[i][2] = 0;
geometry[i][3] = 0;
}
geometry[0][0] = (p_a[0] * xmax);
geometry[1][0] = (p_b[0] * xmax);
geometry[2][0] = (p_c[0] * xmax);
geometry[3][0] = (p_d[0] * xmax);
geometry[0][1] = (p_a[1]);
geometry[1][1] = (p_b[1]);
geometry[2][1] = (p_c[1]);
geometry[3][1] = (p_d[1]);
/* subdivide the curve ntimes (1000) times */
ntimes = 4 * xmax;
/* ntimes can be adjusted to give a finer or coarser curve */
d = 1.0 / ntimes;
d2 = d * d;
d3 = d * d * d;
/* construct a temporary matrix for determining the forward differencing deltas */
tmp2[0][0] = 0;
tmp2[0][1] = 0;
tmp2[0][2] = 0;
tmp2[0][3] = 1;
tmp2[1][0] = d3;
tmp2[1][1] = d2;
tmp2[1][2] = d;
tmp2[1][3] = 0;
tmp2[2][0] = 6 * d3;
tmp2[2][1] = 2 * d2;
tmp2[2][2] = 0;
tmp2[2][3] = 0;
tmp2[3][0] = 6 * d3;
tmp2[3][1] = 0;
tmp2[3][2] = 0;
tmp2[3][3] = 0;
/* compose the basis and geometry matrices */
static const float CR_basis[4][4] = {
{ -0.5, 1.5, -1.5, 0.5 },
{ 1.0, -2.5, 2.0, -0.5 },
{ -0.5, 0.0, 0.5, 0.0 },
{ 0.0, 1.0, 0.0, 0.0 },
};
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
tmp1[i][j] = (CR_basis[i][0] * geometry[0][j] +
CR_basis[i][1] * geometry[1][j] +
CR_basis[i][2] * geometry[2][j] +
CR_basis[i][3] * geometry[3][j]);
}
}
/* compose the above results to get the deltas matrix */
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
deltas[i][j] = (tmp2[i][0] * tmp1[0][j] +
tmp2[i][1] * tmp1[1][j] +
tmp2[i][2] * tmp1[2][j] +
tmp2[i][3] * tmp1[3][j]);
}
}
/* extract the x deltas */
x = deltas[0][0];
dx = deltas[1][0];
dx2 = deltas[2][0];
dx3 = deltas[3][0];
/* extract the y deltas */
y = deltas[0][1];
dy = deltas[1][1];
dy2 = deltas[2][1];
dy3 = deltas[3][1];
lastx = CLAMP(x, 0, xmax);
lasty = y;
p_heights[lastx] = lasty;
p_useds[lastx] = true;
/* loop over the curve */
for (i = 0; i < ntimes; i++) {
/* increment the x values */
x += dx;
dx += dx2;
dx2 += dx3;
/* increment the y values */
y += dy;
dy += dy2;
dy2 += dy3;
newx = CLAMP((Math::round(x)), 0, xmax);
newy = CLAMP(y, p_min, p_max);
/* if this point is different than the last one...then draw it */
if ((lastx != newx) || (lasty != newy)) {
p_useds[newx] = true;
p_heights[newx] = newy;
}
lastx = newx;
lasty = newy;
}
}
void CurveTexture::set_points(const PoolVector<Vector2> &p_points) {
points = p_points;
PoolVector<uint8_t> data;
PoolVector<bool> used;
data.resize(width * sizeof(float));
used.resize(width);
{
PoolVector<uint8_t>::Write wd8 = data.write();
float *wd = (float *)wd8.ptr();
PoolVector<bool>::Write wu = used.write();
int pc = p_points.size();
PoolVector<Vector2>::Read pr = p_points.read();
for (int i = 0; i < width; i++) {
wd[i] = 0.0;
wu[i] = false;
}
Vector2 prev = Vector2(0, 0);
Vector2 prev2 = Vector2(0, 0);
for (int i = -1; i < pc; i++) {
Vector2 next;
Vector2 next2;
if (i + 1 >= pc) {
next = Vector2(1, 0);
} else {
next = Vector2(pr[i + 1].x, pr[i + 1].y);
}
if (i + 2 >= pc) {
next2 = Vector2(1, 0);
} else {
next2 = Vector2(pr[i + 2].x, pr[i + 2].y);
}
/*if (i==-1 && prev.offset==next.offset) {
prev=next;
continue;
}*/
_plot_curve(prev2, prev, next, next2, wd, wu.ptr(), width, min, max);
prev2 = prev;
prev = next;
}
}
Image image(width, 1, false, Image::FORMAT_RF, data);
VS::get_singleton()->texture_allocate(texture, width, 1, Image::FORMAT_RF, VS::TEXTURE_FLAG_FILTER);
VS::get_singleton()->texture_set_data(texture, image);
emit_changed();
}
PoolVector<Vector2> CurveTexture::get_points() const {
return points;
}
RID CurveTexture::get_rid() const {
return texture;
}
CurveTexture::CurveTexture() {
max = 1;
min = 0;
width = 2048;
texture = VS::get_singleton()->texture_create();
}
CurveTexture::~CurveTexture() {
VS::get_singleton()->free(texture);
}
//////////////////
//setter and getter names for property serialization
#define COLOR_RAMP_GET_OFFSETS "get_offsets"
#define COLOR_RAMP_GET_COLORS "get_colors"
#define COLOR_RAMP_SET_OFFSETS "set_offsets"
#define COLOR_RAMP_SET_COLORS "set_colors"
GradientTexture::GradientTexture() {
//Set initial color ramp transition from black to white
points.resize(2);
points[0].color = Color(0, 0, 0, 1);
points[0].offset = 0;
points[1].color = Color(1, 1, 1, 1);
points[1].offset = 1;
is_sorted = true;
update_pending = false;
width = 2048;
texture = VS::get_singleton()->texture_create();
_queue_update();
}
GradientTexture::~GradientTexture() {
VS::get_singleton()->free(texture);
}
void GradientTexture::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_point", "offset", "color"), &GradientTexture::add_point);
ClassDB::bind_method(D_METHOD("remove_point", "offset", "color"), &GradientTexture::remove_point);
ClassDB::bind_method(D_METHOD("set_offset", "point", "offset"), &GradientTexture::set_offset);
ClassDB::bind_method(D_METHOD("get_offset", "point"), &GradientTexture::get_offset);
ClassDB::bind_method(D_METHOD("set_color", "point", "color"), &GradientTexture::set_color);
ClassDB::bind_method(D_METHOD("get_color", "point"), &GradientTexture::get_color);
ClassDB::bind_method(D_METHOD("set_width", "width"), &GradientTexture::set_width);
ClassDB::bind_method(D_METHOD("interpolate", "offset"), &GradientTexture::get_color_at_offset);
ClassDB::bind_method(D_METHOD("get_point_count"), &GradientTexture::get_points_count);
ClassDB::bind_method(D_METHOD("_update"), &GradientTexture::_update);
ClassDB::bind_method(D_METHOD(COLOR_RAMP_SET_OFFSETS, "offsets"), &GradientTexture::set_offsets);
ClassDB::bind_method(D_METHOD(COLOR_RAMP_GET_OFFSETS), &GradientTexture::get_offsets);
ClassDB::bind_method(D_METHOD(COLOR_RAMP_SET_COLORS, "colors"), &GradientTexture::set_colors);
ClassDB::bind_method(D_METHOD(COLOR_RAMP_GET_COLORS), &GradientTexture::get_colors);
ADD_PROPERTY(PropertyInfo(Variant::INT, "width"), "set_width", "get_width");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "offsets"), COLOR_RAMP_SET_OFFSETS, COLOR_RAMP_GET_OFFSETS);
ADD_PROPERTY(PropertyInfo(Variant::REAL, "colors"), COLOR_RAMP_SET_COLORS, COLOR_RAMP_GET_COLORS);
}
void GradientTexture::_queue_update() {
if (update_pending)
return;
call_deferred("_update");
}
void GradientTexture::_update() {
update_pending = false;
PoolVector<uint8_t> data;
data.resize(width * 4);
{
PoolVector<uint8_t>::Write wd8 = data.write();
for (int i = 0; i < width; i++) {
float ofs = float(i) / (width - 1);
Color color = get_color_at_offset(ofs);
wd8[i * 4 + 0] = uint8_t(CLAMP(color.r * 255.0, 0, 255));
wd8[i * 4 + 1] = uint8_t(CLAMP(color.g * 255.0, 0, 255));
wd8[i * 4 + 2] = uint8_t(CLAMP(color.b * 255.0, 0, 255));
wd8[i * 4 + 3] = uint8_t(CLAMP(color.a * 255.0, 0, 255));
}
}
Image image(width, 1, false, Image::FORMAT_RGBA8, data);
VS::get_singleton()->texture_allocate(texture, width, 1, Image::FORMAT_RGBA8, VS::TEXTURE_FLAG_FILTER);
VS::get_singleton()->texture_set_data(texture, image);
emit_changed();
}
void GradientTexture::set_width(int p_width) {
width = p_width;
_queue_update();
}
int GradientTexture::get_width() const {
return width;
}
Vector<float> GradientTexture::get_offsets() const {
Vector<float> offsets;
offsets.resize(points.size());
for (int i = 0; i < points.size(); i++) {
offsets[i] = points[i].offset;
}
return offsets;
}
Vector<Color> GradientTexture::get_colors() const {
Vector<Color> colors;
colors.resize(points.size());
for (int i = 0; i < points.size(); i++) {
colors[i] = points[i].color;
}
return colors;
}
void GradientTexture::set_offsets(const Vector<float> &p_offsets) {
points.resize(p_offsets.size());
for (int i = 0; i < points.size(); i++) {
points[i].offset = p_offsets[i];
}
is_sorted = false;
emit_changed();
_queue_update();
}
void GradientTexture::set_colors(const Vector<Color> &p_colors) {
if (points.size() < p_colors.size())
is_sorted = false;
points.resize(p_colors.size());
for (int i = 0; i < points.size(); i++) {
points[i].color = p_colors[i];
}
emit_changed();
_queue_update();
}
Vector<GradientTexture::Point> &GradientTexture::get_points() {
return points;
}
void GradientTexture::add_point(float p_offset, const Color &p_color) {
Point p;
p.offset = p_offset;
p.color = p_color;
is_sorted = false;
points.push_back(p);
emit_changed();
_queue_update();
}
void GradientTexture::remove_point(int p_index) {
ERR_FAIL_INDEX(p_index, points.size());
ERR_FAIL_COND(points.size() <= 2);
points.remove(p_index);
emit_changed();
_queue_update();
}
void GradientTexture::set_points(Vector<GradientTexture::Point> &p_points) {
points = p_points;
is_sorted = false;
emit_changed();
_queue_update();
}
void GradientTexture::set_offset(int pos, const float offset) {
if (points.size() <= pos)
points.resize(pos + 1);
points[pos].offset = offset;
is_sorted = false;
emit_changed();
_queue_update();
}
float GradientTexture::get_offset(int pos) const {
if (points.size() > pos)
return points[pos].offset;
return 0; //TODO: Maybe throw some error instead?
}
void GradientTexture::set_color(int pos, const Color &color) {
if (points.size() <= pos) {
points.resize(pos + 1);
is_sorted = false;
}
points[pos].color = color;
emit_changed();
_queue_update();
}
Color GradientTexture::get_color(int pos) const {
if (points.size() > pos)
return points[pos].color;
return Color(0, 0, 0, 1); //TODO: Maybe throw some error instead?
}
int GradientTexture::get_points_count() const {
return points.size();
}