1 files changed, 127 insertions, 0 deletions
diff --git a/src/candy_gear/view_3d.cpp b/src/candy_gear/view_3d.cpp
new file mode 100644
index 0000000..b829cca
--- /dev/null
+++ b/src/candy_gear/view_3d.cpp
@@ -0,0 +1,127 @@
+/*
+ * 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 "view_3d.hpp"
+
+#include "sprite.hpp"
+#include "orientation_3d.hpp"
+#include "vector_3d.hpp"
+#include "vector_4d.hpp"
+#include "../blu_cat/gra/sprite.hpp"
+#include "../blu_cat/gra/view_3d.hpp"
+
+void
+cg_free_view_3d(mrb_state *mrb, void* obj)
+{
+  auto ptr = static_cast<std::shared_ptr<BluCat::GRA::View3D>*>(obj);
+
+  ptr->~shared_ptr();
+  mrb_free(mrb, ptr);
+}
+
+const struct mrb_data_type cg_view_3d_type = { "CG_View3D", cg_free_view_3d };
+
+static mrb_value
+cg_cView3D_initialize(mrb_state *mrb, mrb_value self)
+{
+  std::shared_ptr<glm::vec4> *region;
+  mrb_float projection_width, projection_height;
+  std::shared_ptr<BluCat::GRA::View3D> *ptr;
+
+  mrb_get_args(mrb, "dff", &region, &cg_vector_4d_type,
+               &projection_width, &projection_height);
+  ptr = (std::shared_ptr<BluCat::GRA::View3D>*)DATA_PTR(self);
+  if(ptr) mrb_free(mrb, ptr);
+  ptr = (std::shared_ptr<BluCat::GRA::View3D>*)mrb_malloc(
+    mrb, sizeof(std::shared_ptr<BluCat::GRA::View3D>));
+
+  new(ptr)std::shared_ptr<BluCat::GRA::View3D>(
+    std::make_shared<BluCat::GRA::View3D>(
+      *region->get(), projection_width, projection_height));
+
+  mrb_data_init(self, ptr, &cg_view_3d_type);
+  return self;
+}
+
+static mrb_value
+cg_cView3D_set_camera_position(mrb_state *mrb, mrb_value self)
+{
+  std::shared_ptr<glm::vec3> *camera_position;
+  auto ptr = (std::shared_ptr<BluCat::GRA::View3D>*)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_cView3D_set_camera_orientation(mrb_state *mrb, mrb_value self)
+{
+  std::shared_ptr<glm::quat> *camera_orientation;
+  auto ptr = (std::shared_ptr<BluCat::GRA::View3D>*)DATA_PTR(self);
+
+  mrb_get_args(mrb, "d", &camera_orientation, &cg_orientation_3d_type);
+  (*ptr)->camera_orientation = (*camera_orientation);
+
+  return self;
+}
+
+static mrb_value
+cg_cView3D_get_field_of_view(mrb_state *mrb, mrb_value self)
+{
+  auto ptr = (std::shared_ptr<BluCat::GRA::View3D>*)DATA_PTR(self);
+
+  return mrb_float_value(mrb, (*ptr)->field_of_view);
+
+  return self;
+}
+
+static mrb_value
+cg_cView3D_set_field_of_view(mrb_state *mrb, mrb_value self)
+{
+  mrb_float fov;
+  auto ptr = (std::shared_ptr<BluCat::GRA::View3D>*)DATA_PTR(self);
+
+  mrb_get_args(mrb, "f", &fov);
+  (*ptr)->field_of_view = fov;
+
+  return self;
+}
+
+void
+cg_view_3d_init(mrb_state *mrb)
+{
+  struct RClass *cg_m, *cg_cView3D;
+
+  cg_m = mrb_module_get(mrb, "CandyGear");
+  cg_cView3D = mrb_define_class_under(mrb, cg_m, "View3D", mrb->object_class);
+  MRB_SET_INSTANCE_TT(cg_cView3D, MRB_TT_DATA);
+  mrb_define_method(
+    mrb, cg_cView3D, "initialize", cg_cView3D_initialize, MRB_ARGS_REQ(3));
+  mrb_define_method(
+    mrb, cg_cView3D, "camera_position=", cg_cView3D_set_camera_position,
+    MRB_ARGS_REQ(1));
+  mrb_define_method(
+    mrb, cg_cView3D, "camera_orientation=", cg_cView3D_set_camera_orientation,
+    MRB_ARGS_REQ(1));
+  mrb_define_method(
+    mrb, cg_cView3D, "field_of_view", cg_cView3D_get_field_of_view,
+    MRB_ARGS_NONE());
+  mrb_define_method(
+    mrb, cg_cView3D, "field_of_view=", cg_cView3D_set_field_of_view,
+    MRB_ARGS_REQ(1));
+}