Added skeletal animations and other fixes

destrum/src/Components/MeshRendererComponent.cpp

@@ -1,19 +1,56 @@
 #include <destrum/Components/MeshRendererComponent.h>
 #include <destrum/ObjectModel/Transform.h>
 
+#include "destrum/Components/Animator.h"
+#include "destrum/ObjectModel/GameObject.h"
+#include "destrum/Util/GameState.h"
+
 
 MeshRendererComponent::MeshRendererComponent(GameObject& parent): Component(parent, "MeshRendererComponent") {
+
 }
 
 void MeshRendererComponent::Start() {
     Component::Start();
+    if (auto* animator = GetGameObject()->GetComponent<Animator>()) {
+        const auto& gfxDevice = GameState::GetInstance().Gfx();
+        const auto& mesh = GameState::GetInstance().Renderer().GetMeshCache().getMesh(meshID);
+
+        m_skinnedMesh = std::make_unique<SkinnedMesh>();
+        m_skinnedMesh->skinnedVertexBuffer = gfxDevice.createBuffer(
+            mesh.numVertices * sizeof(CPUMesh::Vertex),
+            VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
+            VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT |
+            VK_BUFFER_USAGE_VERTEX_BUFFER_BIT
+        );
+    }
 }
 
 void MeshRendererComponent::Update() {
 }
 
 void MeshRendererComponent::Render(const RenderContext& ctx) {
-    if (meshID != NULL_MESH_ID && materialID != NULL_MATERIAL_ID) {
+    if (meshID == NULL_MESH_ID || materialID == NULL_MATERIAL_ID) return;
+
+    if (auto* animator = GetGameObject()->GetComponent<Animator>(); animator && m_skinnedMesh) {
+        const auto& mesh = ctx.renderer.GetMeshCache().getCPUMesh(meshID);
+        const auto skeleton = GetGameObject()->GetComponent<Animator>()->getSkeleton();
+        std::uint32_t frameIdx = GameState::GetInstance().Gfx().getCurrentFrameIndex();
+
+        const std::size_t jointMatricesStartIndex = animator->uploadJointMatrices(
+            ctx.renderer.getSkinningPipeline(),
+            *skeleton, // skeleton stored on GPUMesh (or pass from CPUMesh)
+            frameIdx
+        );
+
+        ctx.renderer.drawSkinnedMesh(
+            meshID,
+            GetTransform().GetWorldMatrix(),
+            materialID,
+            m_skinnedMesh.get(),
+            jointMatricesStartIndex
+        );
+    } else {
         ctx.renderer.drawMesh(meshID, GetTransform().GetWorldMatrix(), materialID);
     }
 }