From 43821b0cffc5aa419c0218992f06f8962ae54a13 Mon Sep 17 00:00:00 2001
From: Frederico Linhares <fred@linhares.blue>
Date: Wed, 8 May 2024 17:56:29 -0300
Subject: refa Rename graphical engine to BluCat

---
 src/blucat/sprite.cpp | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 src/blucat/sprite.cpp

(limited to 'src/blucat/sprite.cpp')

diff --git a/src/blucat/sprite.cpp b/src/blucat/sprite.cpp
new file mode 100644
index 0000000..a275df8
--- /dev/null
+++ b/src/blucat/sprite.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "sprite.hpp"
+
+#include <array>
+
+#include "../core.hpp"
+#include "sprite.hpp"
+#include "uniform_data_object.hpp"
+
+namespace
+{
+
+struct SpriteBuilder
+{
+  BluCat::Sprite *sprite;
+  glm::vec4 &rect;
+
+  SpriteBuilder(BluCat::Sprite *sprite, glm::vec4 &rect);
+};
+
+SpriteBuilder::SpriteBuilder(BluCat::Sprite *sprite, glm::vec4 &rect):
+  sprite{sprite},
+  rect{rect}
+{
+}
+
+void
+load_mesh(void *obj)
+{
+  auto self = static_cast<SpriteBuilder*>(obj);
+
+  self->sprite->queue_family =
+    cg_core.vk_device_with_swapchain->get_queue_family_with_graphics();
+
+  glm::vec2 rect[BluCat::Sprite::vertex_count]{
+    glm::vec2{self->rect.x, self->rect.y},
+    glm::vec2{self->rect.x, self->rect.w},
+    glm::vec2{self->rect.z, self->rect.y},
+    glm::vec2{self->rect.z, self->rect.w}
+  };
+
+  void *vertexes_data{&rect};
+  static const size_t vertexes_size =
+    sizeof(glm::vec2) * BluCat::Sprite::vertex_count;
+  self->sprite->source_buffer = new BluCat::SourceBuffer{
+    self->sprite->queue_family->device, vertexes_data, vertexes_size};
+  self->sprite->vertex_buffer = new BluCat::DestinationBuffer{
+    self->sprite->queue_family, self->sprite->source_buffer,
+    VK_BUFFER_USAGE_VERTEX_BUFFER_BIT};
+}
+
+void
+unload_mesh(void *obj)
+{
+  auto self = static_cast<SpriteBuilder*>(obj);
+
+  delete self->sprite->vertex_buffer;
+  delete self->sprite->source_buffer;
+}
+
+static const CommandChain loader{
+  {&load_mesh, &unload_mesh},
+};
+
+}
+
+namespace BluCat
+{
+
+Sprite::Sprite(std::shared_ptr<Texture> texture, glm::vec4 &rect):
+  texture{texture}
+{
+  SpriteBuilder sprite_builder(this, rect);
+  loader.execute(&sprite_builder);
+}
+
+Sprite::~Sprite()
+{
+  glm::vec4 vector_4d{};
+  SpriteBuilder sprite_builder(this, vector_4d);
+  loader.revert(&sprite_builder);
+}
+
+}
-- 
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