From 3d6ca447a7104c499e92fc954affdaf4bf011388 Mon Sep 17 00:00:00 2001
From: Frederico Linhares <fred@linhares.blue>
Date: Fri, 16 Sep 2022 12:03:04 -0300
Subject: feat Create View

---
 src/view.cpp | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 src/view.cpp

(limited to 'src/view.cpp')

diff --git a/src/view.cpp b/src/view.cpp
new file mode 100644
index 0000000..745c4bc
--- /dev/null
+++ b/src/view.cpp
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2022 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 "view.hpp"
+
+#include "rotation_3d.hpp"
+#include "vector_3d.hpp"
+#include "vector_4d.hpp"
+#include "vk/view.hpp"
+
+void
+cg_free_view(mrb_state *mrb, void* obj)
+{
+  auto ptr = static_cast<std::shared_ptr<VK::View>*>(obj);
+
+  ptr->~shared_ptr();
+  mrb_free(mrb, ptr);
+}
+
+const struct mrb_data_type cg_view_type = { "CG_View", cg_free_view };
+
+static mrb_value
+cg_cView_initialize(mrb_state *mrb, mrb_value self)
+{
+  std::shared_ptr<glm::vec4> *region;
+  std::shared_ptr<VK::View> *ptr;
+
+  mrb_get_args(mrb, "d", &region, &cg_vector_4d_type);
+  ptr = (std::shared_ptr<VK::View>*)DATA_PTR(self);
+  if(ptr) mrb_free(mrb, ptr);
+  ptr = (std::shared_ptr<VK::View>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<VK::View>));
+
+  new(ptr)std::shared_ptr<VK::View>(
+    std::make_shared<VK::View>(*region->get()));
+
+  mrb_data_init(self, ptr, &cg_view_type);
+  return self;
+}
+
+static mrb_value
+cg_cView_set_camera_position(mrb_state *mrb, mrb_value self)
+{
+  std::shared_ptr<glm::vec3> *camera_position;
+  auto ptr = (std::shared_ptr<VK::View>*)DATA_PTR(self);
+
+  mrb_get_args(mrb, "d", &camera_position, &cg_vector_3d_type);
+  (*ptr)->camera_position = (*camera_position);
+
+  return self;
+}
+
+static mrb_value
+cg_cView_set_camera_rotation(mrb_state *mrb, mrb_value self)
+{
+  std::shared_ptr<glm::vec3> *camera_rotation;
+  auto ptr = (std::shared_ptr<VK::View>*)DATA_PTR(self);
+
+  mrb_get_args(mrb, "d", &camera_rotation, &cg_rotation_3d_type);
+  (*ptr)->camera_rotation = (*camera_rotation);
+
+  return self;
+}
+
+void
+cg_view_init(mrb_state *mrb)
+{
+  struct RClass *cg_m, *cg_cView;
+
+  cg_m = mrb_module_get(mrb, "CandyGear");
+  cg_cView = mrb_define_class_under(mrb, cg_m, "View", mrb->object_class);
+  MRB_SET_INSTANCE_TT(cg_cView, MRB_TT_DATA);
+  mrb_define_method(
+    mrb, cg_cView, "initialize", cg_cView_initialize, MRB_ARGS_REQ(1));
+  mrb_define_method(
+    mrb, cg_cView, "camera_position=", cg_cView_set_camera_position,
+    MRB_ARGS_REQ(1));
+  mrb_define_method(
+    mrb, cg_cView, "camera_rotation=", cg_cView_set_camera_rotation,
+    MRB_ARGS_REQ(1));
+}
-- 
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