// TODO(Zhardas): Make a template for vertex buffer structure.
void Renderer::DrawScene(std::shared_ptr<Scene> scene) {
LPDIRECT3DDEVICE9 device = device_;
device->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_ARGB(255, color_.r, color_.g, color_.b), 1.0f, 0);
device->BeginScene();
// Move camera
auto cam_pos = scene->camera_->position_;
D3DXMATRIX view_matrix;
D3DXMatrixIdentity(&view_matrix);
view_matrix(3, 0) = -cam_pos.x;
view_matrix(3, 1) = -cam_pos.y;
view_matrix(3, 2) = cam_pos.z; // TODO(Zhardas): 3D: Check the assigned value.
device->SetTransform(D3DTS_VIEW, &view_matrix);
for (const auto &layer : *scene->GetLayers()) {
// NOTE: Scene has a limit of 256 layers.
UINT index = 0;
// Generate Vertex Buffer
switch (layer->type()) {
case Layer::STATIC: {
if (layer->reload_) {
layer->reload_ = false;
if (layer->vertex_buffer_ != NULL) {
layer->vertex_buffer_->Release();
}
layer->vertex_buffer_ = GenerateVertexBuffer(STATIC, &layer->drawable_list_);
}
break;
}
case Layer::DYNAMIC: {
layer->vertex_buffer_ = GenerateVertexBuffer(DYNAMIC, &layer->drawable_list_);
break;
}
}
// Setup and draw
if (layer->vertex_buffer_ != NULL) {
device_->SetFVF(D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1);
device_->SetStreamSource(0, layer->vertex_buffer_, 0, sizeof(v_3ct));
for (const auto &obj : layer->drawable_list_) {
DrawComplex(obj.get(), index, layer->visible_);
}
}
// Release dynamic buffers
if (layer->type() == Layer::DYNAMIC && layer->vertex_buffer_ != nullptr) {
layer->vertex_buffer_->Release();
layer->vertex_buffer_ = NULL;
}
}
device->EndScene();
device->Present(NULL, NULL, NULL, NULL);
}
MS3Dmodel::MS3Dmodel(char * filename)
{
//Initialize textures handles array
m_hTex = NULL;
//Stage 1: Read binary file into temporary structures in main memory
ms3d_header header;
word NumVertices;
ms3d_vertex *pvert;
word NumTriangles;
ms3d_triangle *ptri;
word NumGroups;
ms3d_group *pgrp;
word NumMaterials;
ms3d_material *pmat;
GLuint i, j;
const int tmpstrsize = 150;
char tmpstr[tmpstrsize];
std::fstream file;
file.open(filename, std::fstream::in | std::fstream::binary);
if (file.is_open())
{ //Due to strange alignment issues (header structure should have a sizeof 14 but is 16) each member will be read separately
//Read header
file.read((char*)(&header.id), 10 * sizeof(char));
file.read((char*)(&header.version), sizeof(int));
//Read number of vertices
file.read((char*)(&NumVertices), sizeof(word));
//Allocate space for vertices information
pvert = new ms3d_vertex[NumVertices];
//Read vertex information
for (i = 0; i<NumVertices; i++)
{
file.read((char*)&pvert[i].flags, sizeof(byte));
file.read((char*)&pvert[i].vertex, 3 * sizeof(float));
file.read((char*)&pvert[i].boneId, sizeof(char));
file.read((char*)&pvert[i].referenceCount, sizeof(byte));
}
//Read number of triangles
file.read((char*)(&NumTriangles), sizeof(word));
//Allocate space for triangles information
ptri = new ms3d_triangle[NumTriangles];
//Read triangle information
for (i = 0; i<NumTriangles; i++)
{
file.read((char*)&ptri[i].flags, sizeof(word));
file.read((char*)&ptri[i].vertexIndices, 3 * sizeof(word));
file.read((char*)&ptri[i].vertexNormals, 9 * sizeof(float));
file.read((char*)&ptri[i].s, 3 * sizeof(float));
file.read((char*)&ptri[i].t, 3 * sizeof(float));
file.read((char*)&ptri[i].smoothingGroup, sizeof(byte));
file.read((char*)&ptri[i].groupIndex, sizeof(byte));
}
//Read number of groups
file.read((char*)(&NumGroups), sizeof(word));
//Allocate space for groups information
pgrp = new ms3d_group[NumGroups];
//Read group information
for (i = 0; i<NumGroups; i++)
{
file.read((char*)&pgrp[i].flags, sizeof(byte));
file.read((char*)&pgrp[i].name, 32 * sizeof(char));
file.read((char*)&pgrp[i].numtriangles, sizeof(word));
pgrp[i].triangleIndices = new word[pgrp[i].numtriangles];
for (j = 0; j<pgrp[i].numtriangles; j++)
{
file.read((char*)&pgrp[i].triangleIndices[j], sizeof(word));
}
file.read((char*)&pgrp[i].materialIndex, sizeof(char));
}
//Read number of materials
file.read((char*)(&NumMaterials), sizeof(word));
//Allocate space for material information
pmat = new ms3d_material[NumMaterials];
//Read material information
for (i = 0; i<NumMaterials; i++)
{
file.read((char*)&pmat[i].name, 32 * sizeof(char));
file.read((char*)&pmat[i].ambient, 4 * sizeof(float));
file.read((char*)&pmat[i].diffuse, 4 * sizeof(float));
file.read((char*)&pmat[i].specular, 4 * sizeof(float));
file.read((char*)&pmat[i].emissive, 4 * sizeof(float));
file.read((char*)&pmat[i].shininess, sizeof(float));
file.read((char*)&pmat[i].transparency, sizeof(float));
file.read((char*)&pmat[i].mode, sizeof(char));
file.read((char*)&pmat[i].texture, 128 * sizeof(char));
file.read((char*)&pmat[i].alphamap, 128 * sizeof(char));
}
//Close model file
file.close();
SetNumVertices(NumTriangles * 3);
for (i = 0; i<NumTriangles; i++)
{
m_pVertices[3 * i + 0].Pos.x = pvert[ptri[i].vertexIndices[0]].vertex[0];
m_pVertices[3 * i + 0].Pos.y = pvert[ptri[i].vertexIndices[0]].vertex[1];
m_pVertices[3 * i + 0].Pos.z = pvert[ptri[i].vertexIndices[0]].vertex[2];
m_pVertices[3 * i + 0].Pos.w = 1.0f;
m_pVertices[3 * i + 1].Pos.x = pvert[ptri[i].vertexIndices[1]].vertex[0];
m_pVertices[3 * i + 1].Pos.y = pvert[ptri[i].vertexIndices[1]].vertex[1];
m_pVertices[3 * i + 1].Pos.z = pvert[ptri[i].vertexIndices[1]].vertex[2];
m_pVertices[3 * i + 1].Pos.w = 1.0f;
m_pVertices[3 * i + 2].Pos.x = pvert[ptri[i].vertexIndices[2]].vertex[0];
m_pVertices[3 * i + 2].Pos.y = pvert[ptri[i].vertexIndices[2]].vertex[1];
m_pVertices[3 * i + 2].Pos.z = pvert[ptri[i].vertexIndices[2]].vertex[2];
m_pVertices[3 * i + 2].Pos.w = 1.0f;
m_pVertices[3 * i + 0].Norm.x = ptri[i].vertexNormals[0][0];
m_pVertices[3 * i + 0].Norm.y = ptri[i].vertexNormals[0][1];
m_pVertices[3 * i + 0].Norm.z = ptri[i].vertexNormals[0][2];
m_pVertices[3 * i + 0].Norm.w = 0.0f;
m_pVertices[3 * i + 1].Norm.x = ptri[i].vertexNormals[1][0];
m_pVertices[3 * i + 1].Norm.y = ptri[i].vertexNormals[1][1];
m_pVertices[3 * i + 1].Norm.z = ptri[i].vertexNormals[1][2];
m_pVertices[3 * i + 1].Norm.w = 0.0f;
m_pVertices[3 * i + 2].Norm.x = ptri[i].vertexNormals[2][0];
m_pVertices[3 * i + 2].Norm.y = ptri[i].vertexNormals[2][1];
m_pVertices[3 * i + 2].Norm.z = ptri[i].vertexNormals[2][2];
m_pVertices[3 * i + 2].Norm.w = 0.0f;
m_pVertices[3 * i + 0].Tex.x = ptri[i].s[0];
m_pVertices[3 * i + 0].Tex.y = ptri[i].t[0];
m_pVertices[3 * i + 0].Tex.z = 0.0f;
m_pVertices[3 * i + 0].Tex.w = 1.0f;
m_pVertices[3 * i + 1].Tex.x = ptri[i].s[1];
m_pVertices[3 * i + 1].Tex.y = ptri[i].t[1];
m_pVertices[3 * i + 1].Tex.z = 0.0f;
m_pVertices[3 * i + 1].Tex.w = 1.0f;
m_pVertices[3 * i + 2].Tex.x = ptri[i].s[2];
m_pVertices[3 * i + 2].Tex.y = ptri[i].t[2];
m_pVertices[3 * i + 2].Tex.z = 0.0f;
m_pVertices[3 * i + 2].Tex.w = 1.0f;
}
GenerateVertexBuffer();
SetNumSubsets(NumGroups);
m_hTex = new GLuint[m_uiNumSubsets];
for (i = 0; i<m_uiNumSubsets; i++)
{
ResizeSubset(i, pgrp[i].numtriangles);
for (j = 0; j<4; j++)
{
m_pSubsets[i].Material.Ambient[j] = pmat[pgrp[i].materialIndex].ambient[j];
m_pSubsets[i].Material.Diffuse[j] = pmat[pgrp[i].materialIndex].diffuse[j];
m_pSubsets[i].Material.Emissive[j] = pmat[pgrp[i].materialIndex].emissive[j];
m_pSubsets[i].Material.Specular[j] = pmat[pgrp[i].materialIndex].specular[j];
}
if (pmat[pgrp[i].materialIndex].shininess != 0.0f)
{
m_pSubsets[i].Material.Shininess[0] = pmat[pgrp[i].materialIndex].shininess;
}
else
{
m_pSubsets[i].Material.Shininess[0] = 1.0f;
}
sprintf_s(tmpstr, tmpstrsize, "Textures\\%s", &pmat[pgrp[i].materialIndex].texture);
m_hTex[i] = SOIL_load_OGL_texture(tmpstr, SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_FLAG_MIPMAPS | SOIL_FLAG_POWER_OF_TWO);
for (j = 0; j<pgrp[i].numtriangles; j++)
{
m_pSubsets[i].pIndices[3 * j] = 3 * (pgrp[i].triangleIndices[j]);
m_pSubsets[i].pIndices[3 * j + 1] = (3 * (pgrp[i].triangleIndices[j])) + 1;
m_pSubsets[i].pIndices[3 * j + 2] = (3 * (pgrp[i].triangleIndices[j])) + 2;
}
GenerateSubsetIndicesBuffer(i);
}
delete[] pvert;
delete[] ptri;
delete[] pgrp;
delete[] pmat;
}
}
void DummyModel2::Init() {
IModel::Init();
// data for a cube
GLfloat vertexData[] = {
// X Y Z R G B
// face 0:
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // vertex 0
-1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // vertex 1
1.0f,-1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // vertex 2
-1.0f,-1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // vertex 3
// face 1:
1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, // vertex 0
1.0f,-1.0f, 1.0f, 0.0f, 1.0f, 0.0f, // vertex 1
1.0f, 1.0f,-1.0f, 0.0f, 1.0f, 0.0f, // vertex 2
1.0f,-1.0f,-1.0f, 0.0f, 1.0f, 0.0f, // vertex 3
// face 2:
1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, // vertex 0
1.0f, 1.0f,-1.0f, 0.0f, 0.0f, 1.0f, // vertex 1
-1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, // vertex 2
-1.0f, 1.0f,-1.0f, 0.0f, 0.0f, 1.0f, // vertex 3
// face 3:
1.0f, 1.0f,-1.0f, 1.0f, 1.0f, 0.0f, // vertex 0
1.0f,-1.0f,-1.0f, 1.0f, 1.0f, 0.0f, // vertex 1
-1.0f, 1.0f,-1.0f, 1.0f, 1.0f, 0.0f, // vertex 2
-1.0f,-1.0f,-1.0f, 1.0f, 1.0f, 0.0f, // vertex 3
// face 4:
-1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, // vertex 0
-1.0f, 1.0f,-1.0f, 0.0f, 1.0f, 1.0f, // vertex 1
-1.0f,-1.0f, 1.0f, 0.0f, 1.0f, 1.0f, // vertex 2
-1.0f,-1.0f,-1.0f, 0.0f, 1.0f, 1.0f, // vertex 3
// face 5:
1.0f,-1.0f, 1.0f, 1.0f, 0.0f, 1.0f, // vertex 0
-1.0f,-1.0f, 1.0f, 1.0f, 0.0f, 1.0f, // vertex 1
1.0f,-1.0f,-1.0f, 1.0f, 0.0f, 1.0f, // vertex 2
-1.0f,-1.0f,-1.0f, 1.0f, 0.0f, 1.0f, // vertex 3
}; // 6 faces with 4 vertices with 6 components (floats)
GenerateVAO();
BindVAO();
GenerateVertexBuffer();
BindVertex();
glBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat)*6*4*6, vertexData, GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6*sizeof(GLfloat), (void*)0);
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6*sizeof(GLfloat), (void*)(3*sizeof(GLfloat)));
GenerateIndexBuffer();
BindIndex();
GLuint indexData[] = {
// face 0:
0,1,2, // first triangle
2,1,3, // second triangle
// face 1:
4,5,6, // first triangle
6,5,7, // second triangle
// face 2:
8,9,10, // first triangle
10,9,11, // second triangle
// face 3:
12,13,14, // first triangle
14,13,15, // second triangle
// face 4:
16,17,18, // first triangle
18,17,19, // second triangle
// face 5:
20,21,22, // first triangle
22,21,23, // second triangle
};
// fill with data
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(GLuint)*6*2*3, indexData, GL_STATIC_DRAW);
SetDrawCount(36);
}