mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-27 14:17:37 +01:00
525 lines
15 KiB
C++
525 lines
15 KiB
C++
/*************************************************************************/
|
|
/* texture_packer.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* PANDEMONIUM ENGINE */
|
|
/* https://github.com/Relintai/pandemonium_engine */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2022-present Péter Magyar. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* 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_packer.h"
|
|
|
|
int TexturePacker::get_texture_flags() const {
|
|
return _texture_flags;
|
|
}
|
|
void TexturePacker::set_texture_flags(const int flags) {
|
|
_texture_flags = flags;
|
|
}
|
|
|
|
int TexturePacker::get_max_atlas_size() const {
|
|
return _max_atlas_size;
|
|
}
|
|
void TexturePacker::set_max_atlas_size(const int size) {
|
|
_max_atlas_size = size;
|
|
}
|
|
|
|
bool TexturePacker::get_keep_original_atlases() const {
|
|
return _keep_original_atlases;
|
|
}
|
|
void TexturePacker::set_keep_original_atlases(const bool value) {
|
|
_keep_original_atlases = value;
|
|
}
|
|
|
|
Color TexturePacker::get_background_color() const {
|
|
return _background_color;
|
|
}
|
|
void TexturePacker::set_background_color(const Color &color) {
|
|
_background_color = color;
|
|
}
|
|
|
|
int TexturePacker::get_margin() const {
|
|
return _margin;
|
|
}
|
|
void TexturePacker::set_margin(const int margin) {
|
|
_margin = margin;
|
|
}
|
|
|
|
Ref<AtlasTexture> TexturePacker::add_texture(const Ref<Texture> &texture) {
|
|
ERR_FAIL_COND_V(!texture.is_valid(), Ref<AtlasTexture>());
|
|
|
|
Ref<AtlasTexture> atlas_text = texture;
|
|
|
|
if (atlas_text.is_valid()) {
|
|
//we need to check differently this case
|
|
for (int i = 0; i < _rects.size(); ++i) {
|
|
rect_xywhf *r = _rects.get(i);
|
|
|
|
Ref<Texture> t;
|
|
Ref<AtlasTexture> at = texture;
|
|
|
|
if (_keep_original_atlases && at.is_valid())
|
|
t = r->atlas_texture;
|
|
else
|
|
t = r->original_texture;
|
|
|
|
if (t == texture) {
|
|
++(r->refcount);
|
|
|
|
return r->atlas_texture;
|
|
}
|
|
}
|
|
|
|
Ref<AtlasTexture> tex;
|
|
tex.instance();
|
|
|
|
tex->set_atlas(atlas_text->get_atlas());
|
|
tex->set_region(atlas_text->get_region());
|
|
|
|
rect_xywhf *rect = memnew(rect_xywhf);
|
|
|
|
rect->refcount = 1;
|
|
rect->w = atlas_text->get_region().size.x + 2 * _margin;
|
|
rect->h = atlas_text->get_region().size.y + 2 * _margin;
|
|
|
|
_rects.push_back(rect);
|
|
|
|
if (_keep_original_atlases) {
|
|
rect->original_texture = tex;
|
|
rect->atlas_texture = atlas_text;
|
|
|
|
return atlas_text;
|
|
} else {
|
|
rect->original_texture = atlas_text;
|
|
rect->atlas_texture = tex;
|
|
|
|
return tex;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < _rects.size(); ++i) {
|
|
rect_xywhf *r = _rects.get(i);
|
|
|
|
if (r->original_texture == texture) {
|
|
++(r->refcount);
|
|
|
|
return r->atlas_texture;
|
|
}
|
|
}
|
|
|
|
Ref<AtlasTexture> tex;
|
|
tex.instance();
|
|
|
|
//Temp setup, so the texture is usable even while the atlases are generating.
|
|
tex->set_atlas(texture);
|
|
tex->set_region(Rect2(0, 0, texture->get_width(), texture->get_height()));
|
|
|
|
rect_xywhf *rect = memnew(rect_xywhf);
|
|
|
|
rect->refcount = 1;
|
|
rect->original_texture = texture;
|
|
rect->atlas_texture = tex;
|
|
|
|
rect->w = texture->get_width() + 2 * _margin;
|
|
rect->h = texture->get_height() + 2 * _margin;
|
|
|
|
_rects.push_back(rect);
|
|
|
|
return tex;
|
|
}
|
|
|
|
Ref<AtlasTexture> TexturePacker::get_texture(const Ref<Texture> &texture) {
|
|
for (int i = 0; i < _rects.size(); ++i) {
|
|
rect_xywhf *r = _rects.get(i);
|
|
|
|
Ref<Texture> t;
|
|
Ref<AtlasTexture> at = texture;
|
|
|
|
if (_keep_original_atlases && at.is_valid())
|
|
t = r->atlas_texture;
|
|
else
|
|
t = r->original_texture;
|
|
|
|
if (t == texture) {
|
|
return _rects.get(i)->atlas_texture;
|
|
}
|
|
}
|
|
|
|
return Ref<Texture>();
|
|
}
|
|
|
|
Ref<AtlasTexture> TexturePacker::get_texture_index(const int index) {
|
|
ERR_FAIL_INDEX_V(index, _rects.size(), Ref<AtlasTexture>());
|
|
|
|
return _rects.get(index)->atlas_texture;
|
|
}
|
|
|
|
Ref<Texture> TexturePacker::get_original_texture(const int index) {
|
|
ERR_FAIL_INDEX_V(index, _rects.size(), Ref<Texture>());
|
|
|
|
return _rects.get(index)->original_texture;
|
|
}
|
|
|
|
bool TexturePacker::contains_texture(const Ref<Texture> &texture) {
|
|
for (int i = 0; i < _rects.size(); ++i) {
|
|
rect_xywhf *r = _rects.get(i);
|
|
|
|
Ref<Texture> t;
|
|
Ref<AtlasTexture> at = texture;
|
|
|
|
if (_keep_original_atlases && at.is_valid())
|
|
t = r->atlas_texture;
|
|
else
|
|
t = r->original_texture;
|
|
|
|
if (t == texture) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool TexturePacker::unref_texture_index(const int index) {
|
|
ERR_FAIL_INDEX_V(index, _rects.size(), false);
|
|
|
|
rect_xywhf *r = _rects.get(index);
|
|
|
|
int rc = --(r->refcount);
|
|
|
|
if (rc <= 0) {
|
|
_rects.remove(index);
|
|
|
|
r->original_texture.unref();
|
|
r->atlas_texture.unref();
|
|
|
|
memdelete(r);
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool TexturePacker::unref_texture(const Ref<Texture> &texture) {
|
|
for (int i = 0; i < _rects.size(); ++i) {
|
|
rect_xywhf *r = _rects.get(i);
|
|
|
|
Ref<Texture> t;
|
|
Ref<AtlasTexture> at = texture;
|
|
|
|
if (_keep_original_atlases && at.is_valid())
|
|
t = r->atlas_texture;
|
|
else
|
|
t = r->original_texture;
|
|
|
|
if (t == texture) {
|
|
int rc = --(r->refcount);
|
|
|
|
if (rc <= 0) {
|
|
_rects.remove(i);
|
|
|
|
r->original_texture.unref();
|
|
r->atlas_texture.unref();
|
|
|
|
memdelete(r);
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void TexturePacker::remove_texture_index(const int index) {
|
|
ERR_FAIL_INDEX(index, _rects.size());
|
|
|
|
rect_xywhf *r = _rects.get(index);
|
|
|
|
r->original_texture.unref();
|
|
r->atlas_texture.unref();
|
|
|
|
memdelete(r);
|
|
}
|
|
|
|
void TexturePacker::remove_texture(const Ref<Texture> &texture) {
|
|
for (int i = 0; i < _rects.size(); ++i) {
|
|
rect_xywhf *r = _rects.get(i);
|
|
|
|
Ref<Texture> t;
|
|
Ref<AtlasTexture> at = texture;
|
|
|
|
if (_keep_original_atlases && at.is_valid())
|
|
t = r->atlas_texture;
|
|
else
|
|
t = r->original_texture;
|
|
|
|
if (t == texture) {
|
|
_rects.remove(i);
|
|
|
|
r->original_texture.unref();
|
|
r->atlas_texture.unref();
|
|
|
|
memdelete(r);
|
|
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
int TexturePacker::get_texture_count() {
|
|
return _rects.size();
|
|
}
|
|
|
|
void TexturePacker::clear() {
|
|
for (int i = 0; i < _rects.size(); ++i) {
|
|
rect_xywhf *r = _rects.get(i);
|
|
|
|
r->atlas_texture.unref();
|
|
r->original_texture.unref();
|
|
|
|
memdelete(r);
|
|
}
|
|
|
|
_rects.clear();
|
|
|
|
for (int i = 0; i < _generated_textures.size(); ++i) {
|
|
_generated_textures.get(i).unref();
|
|
}
|
|
|
|
_generated_textures.clear();
|
|
}
|
|
|
|
Ref<ImageTexture> TexturePacker::get_generated_texture(const int index) {
|
|
ERR_FAIL_INDEX_V(index, _generated_textures.size(), Ref<ImageTexture>());
|
|
|
|
return _generated_textures.get(index);
|
|
}
|
|
int TexturePacker::get_generated_texture_count() {
|
|
return _generated_textures.size();
|
|
}
|
|
|
|
void TexturePacker::merge() {
|
|
std::vector<bin> bins;
|
|
|
|
if (pack(_rects.ptr(), _rects.size(), _max_atlas_size, false, bins)) {
|
|
_generated_textures.clear();
|
|
|
|
_generated_textures.resize(bins.size());
|
|
|
|
for (uint32_t i = 0; i < bins.size(); ++i) {
|
|
bin b = bins[i];
|
|
|
|
PoolByteArray data;
|
|
data.resize(b.size.w * b.size.h * 4);
|
|
|
|
//Setup background color
|
|
uint8_t cr = _background_color.r * 255.0;
|
|
uint8_t cg = _background_color.g * 255.0;
|
|
uint8_t cb = _background_color.b * 255.0;
|
|
uint8_t ca = _background_color.a * 255.0;
|
|
|
|
for (int j = 0; j < data.size(); j += 4) {
|
|
data.set(j, cr);
|
|
data.set(j + 1, cg);
|
|
data.set(j + 2, cb);
|
|
data.set(j + 3, ca);
|
|
}
|
|
|
|
//Process rects
|
|
for (uint32_t j = 0; j < b.rects.size(); ++j) {
|
|
rect_xywhf *r = b.rects[j];
|
|
|
|
Ref<Texture> otext = r->original_texture;
|
|
Ref<AtlasTexture> aotext = otext;
|
|
|
|
int rect_pos_x = 0;
|
|
int rect_pos_y = 0;
|
|
|
|
if (aotext.is_valid()) {
|
|
otext = aotext->get_atlas();
|
|
|
|
Rect2 rect = aotext->get_region();
|
|
|
|
rect_pos_x = rect.position.x + 0.5;
|
|
rect_pos_y = rect.position.y + 0.5;
|
|
}
|
|
|
|
ERR_CONTINUE(!otext.is_valid());
|
|
|
|
Ref<Image> img = otext->get_data();
|
|
|
|
ERR_CONTINUE(!img.is_valid());
|
|
|
|
int img_width = img->get_width();
|
|
|
|
PoolByteArray image_data = img->get_data();
|
|
|
|
int input_format_offset = get_offset_for_format(img->get_format());
|
|
|
|
ERR_CONTINUE_MSG(input_format_offset == 0, "Format is not implemented, Skipping!");
|
|
|
|
int h_wo_margin = r->h - 2 * _margin;
|
|
for (int y = 0; y < h_wo_margin; ++y) {
|
|
int orig_img_indx = (rect_pos_y + y) * img_width * input_format_offset + rect_pos_x * input_format_offset;
|
|
int start_indx = (r->y + y + _margin) * b.size.w * 4 + (r->x + _margin) * 4;
|
|
|
|
int row_width = (r->w - 2 * _margin);
|
|
for (int x = 0; x < row_width; ++x) {
|
|
for (int sx = 0; sx < input_format_offset; ++sx) {
|
|
data.set(start_indx + (x * 4) + sx, image_data[orig_img_indx + sx + (x * input_format_offset)]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Ref<Image> image;
|
|
image.instance();
|
|
image->create(b.size.w, b.size.h, false, Image::FORMAT_RGBA8, data);
|
|
|
|
Ref<ImageTexture> texture;
|
|
texture.instance();
|
|
|
|
texture->create_from_image(image, _texture_flags);
|
|
|
|
_generated_textures.set(i, texture);
|
|
|
|
for (uint32_t j = 0; j < b.rects.size(); ++j) {
|
|
rect_xywhf *r = b.rects[j];
|
|
|
|
Ref<AtlasTexture> at = r->atlas_texture;
|
|
|
|
at->set_atlas(texture);
|
|
at->set_region(Rect2(r->x + _margin, r->y + _margin, r->w - 2 * _margin, r->h - 2 * _margin));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int TexturePacker::get_offset_for_format(const Image::Format format) {
|
|
switch (format) {
|
|
case Image::FORMAT_RGB8:
|
|
return 3;
|
|
case Image::FORMAT_RGBA8:
|
|
return 4;
|
|
|
|
case Image::FORMAT_L8:
|
|
case Image::FORMAT_LA8:
|
|
case Image::FORMAT_R8:
|
|
case Image::FORMAT_RG8:
|
|
case Image::FORMAT_RGBA4444:
|
|
case Image::FORMAT_RF:
|
|
case Image::FORMAT_RGF:
|
|
case Image::FORMAT_RGBF:
|
|
case Image::FORMAT_RGBAF:
|
|
case Image::FORMAT_RH:
|
|
case Image::FORMAT_RGH:
|
|
case Image::FORMAT_RGBH:
|
|
case Image::FORMAT_RGBAH:
|
|
case Image::FORMAT_RGBE9995:
|
|
case Image::FORMAT_DXT1:
|
|
case Image::FORMAT_DXT3:
|
|
case Image::FORMAT_DXT5:
|
|
case Image::FORMAT_RGTC_R:
|
|
case Image::FORMAT_RGTC_RG:
|
|
case Image::FORMAT_BPTC_RGBA:
|
|
case Image::FORMAT_BPTC_RGBF:
|
|
case Image::FORMAT_BPTC_RGBFU:
|
|
case Image::FORMAT_PVRTC2:
|
|
case Image::FORMAT_PVRTC2A:
|
|
case Image::FORMAT_PVRTC4:
|
|
case Image::FORMAT_PVRTC4A:
|
|
case Image::FORMAT_ETC:
|
|
case Image::FORMAT_ETC2_R11:
|
|
case Image::FORMAT_ETC2_R11S:
|
|
case Image::FORMAT_ETC2_RG11:
|
|
case Image::FORMAT_ETC2_RG11S:
|
|
case Image::FORMAT_ETC2_RGB8:
|
|
case Image::FORMAT_ETC2_RGBA8:
|
|
case Image::FORMAT_ETC2_RGB8A1:
|
|
case Image::FORMAT_RGBA5551:
|
|
case Image::FORMAT_MAX:
|
|
return 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
TexturePacker::TexturePacker() {
|
|
_texture_flags = Texture::FLAG_MIPMAPS | Texture::FLAG_FILTER;
|
|
|
|
_max_atlas_size = 1024;
|
|
_keep_original_atlases = false;
|
|
_margin = 0;
|
|
}
|
|
|
|
TexturePacker::~TexturePacker() {
|
|
clear();
|
|
}
|
|
|
|
void TexturePacker::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("get_texture_flags"), &TexturePacker::get_texture_flags);
|
|
ClassDB::bind_method(D_METHOD("set_texture_flags", "flags"), &TexturePacker::set_texture_flags);
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_flags", PROPERTY_HINT_FLAGS, "Mipmaps,Repeat,Filter,Anisotropic Linear,Convert to Linear,Mirrored Repeat,Video Surface"), "set_texture_flags", "get_texture_flags");
|
|
|
|
ClassDB::bind_method(D_METHOD("get_max_atlas_size"), &TexturePacker::get_max_atlas_size);
|
|
ClassDB::bind_method(D_METHOD("set_max_atlas_size", "size"), &TexturePacker::set_max_atlas_size);
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_atlas_size"), "set_max_atlas_size", "get_max_atlas_size");
|
|
|
|
ClassDB::bind_method(D_METHOD("get_keep_original_atlases"), &TexturePacker::get_keep_original_atlases);
|
|
ClassDB::bind_method(D_METHOD("set_keep_original_atlases", "value"), &TexturePacker::set_keep_original_atlases);
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "keep_original_atlases"), "set_keep_original_atlases", "get_keep_original_atlases");
|
|
|
|
ClassDB::bind_method(D_METHOD("get_background_color"), &TexturePacker::get_background_color);
|
|
ClassDB::bind_method(D_METHOD("set_background_color", "color"), &TexturePacker::set_background_color);
|
|
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "background_color"), "set_background_color", "get_background_color");
|
|
|
|
ClassDB::bind_method(D_METHOD("get_margin"), &TexturePacker::get_margin);
|
|
ClassDB::bind_method(D_METHOD("set_margin", "size"), &TexturePacker::set_margin);
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "margin"), "set_margin", "get_margin");
|
|
|
|
ClassDB::bind_method(D_METHOD("add_texture", "texture"), &TexturePacker::add_texture);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_texture", "texture"), &TexturePacker::get_texture);
|
|
ClassDB::bind_method(D_METHOD("get_texture_index", "index"), &TexturePacker::get_texture_index);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_original_texture", "index"), &TexturePacker::get_original_texture);
|
|
|
|
ClassDB::bind_method(D_METHOD("unref_texture_index", "index"), &TexturePacker::unref_texture_index);
|
|
ClassDB::bind_method(D_METHOD("unref_texture", "texture"), &TexturePacker::unref_texture);
|
|
ClassDB::bind_method(D_METHOD("remove_texture_index", "index"), &TexturePacker::remove_texture_index);
|
|
ClassDB::bind_method(D_METHOD("remove_texture", "texture"), &TexturePacker::remove_texture);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_texture_count"), &TexturePacker::get_texture_count);
|
|
ClassDB::bind_method(D_METHOD("clear"), &TexturePacker::clear);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_generated_texture", "index"), &TexturePacker::get_generated_texture);
|
|
ClassDB::bind_method(D_METHOD("get_generated_texture_count"), &TexturePacker::get_generated_texture_count);
|
|
|
|
ClassDB::bind_method(D_METHOD("merge"), &TexturePacker::merge);
|
|
}
|