virtualx-engine/servers/rendering/renderer_canvas_render.cpp
2022-07-12 22:30:08 +10:00

136 lines
5 KiB
C++

/*************************************************************************/
/* renderer_canvas_render.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 "renderer_canvas_render.h"
#include "servers/rendering/rendering_server_globals.h"
const Rect2 &RendererCanvasRender::Item::get_rect() const {
if (custom_rect || (!rect_dirty && !update_when_visible)) {
return rect;
}
//must update rect
if (commands == nullptr) {
rect = Rect2();
rect_dirty = false;
return rect;
}
Transform2D xf;
bool found_xform = false;
bool first = true;
const Item::Command *c = commands;
while (c) {
Rect2 r;
switch (c->type) {
case Item::Command::TYPE_RECT: {
const Item::CommandRect *crect = static_cast<const Item::CommandRect *>(c);
r = crect->rect;
} break;
case Item::Command::TYPE_NINEPATCH: {
const Item::CommandNinePatch *style = static_cast<const Item::CommandNinePatch *>(c);
r = style->rect;
} break;
case Item::Command::TYPE_POLYGON: {
const Item::CommandPolygon *polygon = static_cast<const Item::CommandPolygon *>(c);
r = polygon->polygon.rect_cache;
} break;
case Item::Command::TYPE_PRIMITIVE: {
const Item::CommandPrimitive *primitive = static_cast<const Item::CommandPrimitive *>(c);
for (uint32_t j = 0; j < primitive->point_count; j++) {
if (j == 0) {
r.position = primitive->points[0];
} else {
r.expand_to(primitive->points[j]);
}
}
} break;
case Item::Command::TYPE_MESH: {
const Item::CommandMesh *mesh = static_cast<const Item::CommandMesh *>(c);
AABB aabb = RSG::mesh_storage->mesh_get_aabb(mesh->mesh, RID());
r = Rect2(aabb.position.x, aabb.position.y, aabb.size.x, aabb.size.y);
} break;
case Item::Command::TYPE_MULTIMESH: {
const Item::CommandMultiMesh *multimesh = static_cast<const Item::CommandMultiMesh *>(c);
AABB aabb = RSG::mesh_storage->multimesh_get_aabb(multimesh->multimesh);
r = Rect2(aabb.position.x, aabb.position.y, aabb.size.x, aabb.size.y);
} break;
case Item::Command::TYPE_PARTICLES: {
const Item::CommandParticles *particles_cmd = static_cast<const Item::CommandParticles *>(c);
if (particles_cmd->particles.is_valid()) {
AABB aabb = RSG::particles_storage->particles_get_aabb(particles_cmd->particles);
r = Rect2(aabb.position.x, aabb.position.y, aabb.size.x, aabb.size.y);
}
} break;
case Item::Command::TYPE_TRANSFORM: {
const Item::CommandTransform *transform = static_cast<const Item::CommandTransform *>(c);
xf = transform->xform;
found_xform = true;
[[fallthrough]];
}
default: {
c = c->next;
continue;
}
}
if (found_xform) {
r = xf.xform(r);
}
if (first) {
rect = r;
first = false;
} else {
rect = rect.merge(r);
}
c = c->next;
}
rect_dirty = false;
return rect;
}
RendererCanvasRender::Item::CommandMesh::~CommandMesh() {
if (mesh_instance.is_valid()) {
RSG::mesh_storage->mesh_instance_free(mesh_instance);
}
}