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-rw-r--r--src/model/instance.cpp98
-rw-r--r--src/model/instance.hpp25
2 files changed, 123 insertions, 0 deletions
diff --git a/src/model/instance.cpp b/src/model/instance.cpp
new file mode 100644
index 0000000..83a93c2
--- /dev/null
+++ b/src/model/instance.cpp
@@ -0,0 +1,98 @@
+/*
+ * 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 "instance.hpp"
+
+#include "../model.hpp"
+#include "../vk/model_instance.hpp"
+
+// This variable works as a constant
+static mrb_sym id_at_model;
+
+void
+cg_free_model_instance(mrb_state *mrb, void* obj)
+{
+ auto ptr = static_cast<VK::ModelInstance*>(obj);
+
+ mrb_free(mrb, ptr);
+}
+
+const struct mrb_data_type cg_model_instance_type = {
+ "CG_Model_Instance", cg_free_model_instance };
+
+static mrb_value
+cg_cModel_cInstance_initialize(mrb_state *mrb, mrb_value self)
+{
+ mrb_float position_x, position_y, position_z,
+ rotation_x, rotation_y, rotation_z;
+ mrb_value model;
+ VK::ModelInstance *ptr;
+
+ mrb_get_args(
+ mrb, "offffff",
+ &model,
+ &position_x, &position_y, &position_z,
+ &rotation_x, &rotation_y, &rotation_z);
+ ptr = (VK::ModelInstance*)DATA_PTR(self);
+ if(ptr) mrb_free(mrb, ptr);
+ ptr = (VK::ModelInstance*)mrb_malloc(mrb, sizeof(VK::ModelInstance));
+
+ mrb_iv_set(mrb, self, id_at_model, model);
+ ptr->position = glm::vec3(position_x, position_y, position_z);
+ ptr->rotation = glm::vec3(rotation_x, rotation_y, rotation_z);
+
+ mrb_data_init(self, ptr, &cg_model_instance_type);
+ return self;
+}
+
+static mrb_value
+cg_cModel_cInstance_draw(mrb_state *mrb, mrb_value self)
+{
+ mrb_value model_v;
+
+ VK::ModelInstance *ptr;
+ std::shared_ptr<VK::Model> *model_ptr;
+
+ model_v = mrb_iv_get(mrb, self, id_at_model);
+ ptr = (VK::ModelInstance*)DATA_PTR(self);
+ model_ptr = (std::shared_ptr<VK::Model>*) DATA_PTR(model_v);
+
+ auto &instances =
+ cg_core.vk_graphics_pipeline->models_to_draw[
+ cg_core.vk_graphics_pipeline->current_frame][*model_ptr];
+ instances.push_back(*ptr);
+
+ return self;
+}
+
+void
+cg_model_instance_init(mrb_state *mrb)
+{
+ struct RClass *cg_m, *cg_cModel, *cg_cInstance;
+
+ id_at_model = mrb_intern_cstr(mrb, "@model");
+
+ cg_m = mrb_module_get(mrb, "CandyGear");
+ cg_cModel = mrb_class_get_under(mrb, cg_m, "Model");
+ cg_cInstance = mrb_define_class_under(
+ mrb, cg_cModel, "Instance", mrb->object_class);
+ MRB_SET_INSTANCE_TT(cg_cInstance, MRB_TT_DATA);
+ mrb_define_method(
+ mrb, cg_cInstance, "initialize", cg_cModel_cInstance_initialize,
+ MRB_ARGS_REQ(7));
+ mrb_define_method(
+ mrb, cg_cInstance, "draw", cg_cModel_cInstance_draw, MRB_ARGS_NONE());
+}
diff --git a/src/model/instance.hpp b/src/model/instance.hpp
new file mode 100644
index 0000000..f84003c
--- /dev/null
+++ b/src/model/instance.hpp
@@ -0,0 +1,25 @@
+/*
+ * 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.
+ */
+
+#ifndef CANDY_GEAR_MODEL_INSTANCE_H
+#define CANDY_GEAR_MODEL_INSTANCE_H 1
+
+#include "../core.hpp"
+
+void
+cg_model_instance_init(mrb_state *mrb);
+
+#endif /* CANDY_GEAR_MODEL_INSTANCE_H */