90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
#include "StaticMeshComponent.h"
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#include "BattleFireDirect.h"
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#include <stdio.h>
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void StaticMeshComponent::SetVertexCount(int inVertexCount) {
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mVertexCount = inVertexCount;
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mVertexData = new StaticMeshComponentVertexData[inVertexCount];
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memset(mVertexData, 0, sizeof(StaticMeshComponentVertexData)*inVertexCount);
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}
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void StaticMeshComponent::SetVertexPosition(int inIndex, float inX, float inY, float inZ, float inW /* = 1.0f */) {
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mVertexData[inIndex].mPosition[0] = inX;
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mVertexData[inIndex].mPosition[1] = inY;
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mVertexData[inIndex].mPosition[2] = inZ;
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mVertexData[inIndex].mPosition[3] = inW;
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}
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void StaticMeshComponent::SetVertexTexcoord(int inIndex, float inX, float inY, float inZ, float inW /* = 1.0f */) {
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mVertexData[inIndex].mTexcoord[0] = inX;
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mVertexData[inIndex].mTexcoord[1] = inY;
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mVertexData[inIndex].mTexcoord[2] = inZ;
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mVertexData[inIndex].mTexcoord[3] = inW;
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}
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void StaticMeshComponent::SetVertexNormal(int inIndex, float inX, float inY, float inZ, float inW /* = 1.0f */) {
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mVertexData[inIndex].mNormal[0] = inX;
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mVertexData[inIndex].mNormal[1] = inY;
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mVertexData[inIndex].mNormal[2] = inZ;
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mVertexData[inIndex].mNormal[3] = inW;
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}
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void StaticMeshComponent::SetVertexTangent(int inIndex, float inX, float inY, float inZ, float inW /* = 1.0f */) {
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mVertexData[inIndex].mTangent[0] = inX;
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mVertexData[inIndex].mTangent[1] = inY;
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mVertexData[inIndex].mTangent[2] = inZ;
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mVertexData[inIndex].mTangent[3] = inW;
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}
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void StaticMeshComponent::InitFromFile(ID3D12GraphicsCommandList* inCommandList, const char* inFilePath) {
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FILE* pFile = nullptr;
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errno_t err = fopen_s(&pFile, inFilePath, "rb");
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if (err == 0) {
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int temp = 0;
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fread(&temp, 4, 1, pFile);
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mVertexCount = temp;
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mVertexData = new StaticMeshComponentVertexData[mVertexCount];
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fread(mVertexData, 1, sizeof(StaticMeshComponentVertexData) * mVertexCount, pFile);
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mVBO=CreateBufferObject(inCommandList,mVertexData,
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sizeof(StaticMeshComponentVertexData) * mVertexCount,
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D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER);
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mVBOView.BufferLocation = mVBO->GetGPUVirtualAddress();
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mVBOView.SizeInBytes = sizeof(StaticMeshComponentVertexData) * mVertexCount;
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mVBOView.StrideInBytes = sizeof(StaticMeshComponentVertexData);
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while (!feof(pFile)) {
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fread(&temp, 4, 1, pFile);
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if (feof(pFile)) {
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break;
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}
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char name[256] = {0};
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fread(name, 1, temp, pFile);
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fread(&temp, 4, 1, pFile);
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SubMesh* submesh = new SubMesh;
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submesh->mIndexCount = temp;
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unsigned int *indexes = new unsigned int[temp];
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fread(indexes, 1, sizeof(unsigned int) * temp, pFile);
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submesh->mIBO = CreateBufferObject(inCommandList, indexes,
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sizeof(unsigned int) * temp,
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D3D12_RESOURCE_STATE_INDEX_BUFFER);
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submesh->mIBView.BufferLocation = submesh->mIBO->GetGPUVirtualAddress();
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submesh->mIBView.SizeInBytes = sizeof(unsigned int) * temp;
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submesh->mIBView.Format = DXGI_FORMAT_R32_UINT;
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mSubMeshes.insert(std::pair<std::string, SubMesh*>(name,submesh));
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delete[]indexes;
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}
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fclose(pFile);
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}
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}
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void StaticMeshComponent::Render(ID3D12GraphicsCommandList* inCommandList) {
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D3D12_VERTEX_BUFFER_VIEW vbos[] = {
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mVBOView
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};
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inCommandList->IASetVertexBuffers(0, 1, vbos);
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if (mSubMeshes.empty()) {
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inCommandList->DrawInstanced(mVertexCount, 1, 0, 0);
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}
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else {
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for (auto iter = mSubMeshes.begin();
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iter != mSubMeshes.end(); iter++) {
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inCommandList->IASetIndexBuffer(&iter->second->mIBView);
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inCommandList->DrawIndexedInstanced(iter->second->mIndexCount, 1, 0, 0, 0);
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}
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}
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} |