create instance button

1 files changed, 21 insertions, 1 deletions

diff --git a/src/game.cpp b/src/game.cpp
index f9ef95e..897d305 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -1,5 +1,6 @@
 
 #include "game.hpp"
+#include "memory.hpp"
 
 #include <cstring>
 
@@ -12,6 +13,11 @@ char readLine[readLineLength];
 
 const char *levelName = "demo-level";
 
+struct EntityTypeInstanceCreateInfo {
+	EntityHandle entityTypeEntityHandle;
+};
+DynArray<EntityTypeInstanceCreateInfo> entityInstancesToCreate{16};
+
 const char *PKE_FILE_BEGIN = ":PKFB:";
 const char *PKE_FILE_END = ":PKFE:";
 const char *PKE_FILE_VERSION = ":0:";
@@ -187,7 +193,6 @@ void Game_Tick(double delta) {
 	 * ECS_Tick() gets called first because it updates the public
 	 *  `EntitiesToBeRemoved` for all other ticks to use.
 	 */
-	ECS_Tick(delta);
 	if (shouldCreateEntityType) {
 		assert(entityTypeToCreate != nullptr);
 		assert(entityTypeToCreate != CAFE_BABE(EntityType));
@@ -202,6 +207,13 @@ void Game_Tick(double delta) {
 		Pke_Delete<EntityType>(entityTypeToCreate);
 		shouldCreateEntityType = false;
 	}
+	while (entityInstancesToCreate.Count() > 0) {
+		auto createInfo = entityInstancesToCreate.Pop();
+		EntityHandle newEntity = ECS_CreateEntity();
+		ECS_CreateInstance(newEntity, createInfo.entityTypeEntityHandle);
+	}
+
+	ECS_Tick(delta);
 }
 
 void RecordImGuiEditorWrapper() {
@@ -356,6 +368,12 @@ void RecordImGui_CompGrBinds(bool readonly, CompGrBinds *component) {
 	ImGui::Text("CompGRBinds");
 	ImGui::Separator();
 
+	if (ImGui::Button("Create Instance")) {
+		entityInstancesToCreate.Push({
+			.entityTypeEntityHandle = component->entHandle,
+		});
+	}
+
 	if (component->vkPipelineLayout)
 		ImGui::InputScalar("VkPipelineLayout", ImGuiDataType_U64, &component->vkPipelineLayout, nullptr, nullptr, "0x%016lX", ImGuiInputTextFlags_ReadOnly);
 	if (component->vkDescriptorSet)
@@ -435,6 +453,8 @@ void RecordImGuiSceneEditor() {
 			selectedEntity = EntityHandle_MAX;
 		}
 
+		ImGui::Spacing();
+
 		if (selectedEntity != EntityHandle_MAX) {
 			RecordImGui_CompGrBinds(true, ECS_GetGrBinds(selectedEntity));
 			RecordImGui_CompInstPos(false, ECS_GetInstance(selectedEntity));