void rxScreenTriangle::Initialize()
{
if( ! vertexLayout )
{
vertexLayout = RX_GET_INPUT_LAYOUT( ScreenVertex );
}
if( ! vertexBuffer )
{
// NOTE: z = 1 (the farthest possible distance) -> optimization for deferred lighting/shading engines:
// skybox outputs z = w = 1 -> if we set depth test to less than the sky won't be shaded
//
const ScreenVertex vertices[VERTEX_COUNT] =
{
ScreenVertex( Vec4D( -1.0f, -3.0f, 1.0f, 1.0f ), Vec2D( 0.0f, 2.0f ) ), // lower-left
ScreenVertex( Vec4D( -1.0f, 1.0f, 1.0f, 1.0f ), Vec2D( 0.0f, 0.0f ) ), // upper-left
ScreenVertex( Vec4D( 3.0f, 1.0f, 1.0f, 1.0f ), Vec2D( 2.0f, 0.0f ) ), // upper-right
};
vertexBuffer = rxResourceServer::Get().NewVertexBuffer(
sizeof( vertices ),
sizeof(vertices[0]),
vertices
);
}
}
void Renderer::render(Model &model, int *shadow_buffer) {
std::vector<Vec3i> verts(model.nverts());
for (int i=0; i<model.nverts(); i++) {
verts[i] = vertex_shader(model, i);
}
clear();
_zbuffer = std::vector<int>(get_width()*get_height(), -1);
for (int i=0; i<model.nfaces(); i++) {
std::vector<Vec3i> f = model.face(i);
ScreenVertex triangle[3];
for (int t=0; t<3; t++) {
triangle[t] = ScreenVertex(verts[f[t].ivert], model.uv(f[t].iuv));
}
rasterize(triangle, model, shadow_buffer);
}
}
void Screen3D::DrawRectangle( int x, int y, int w, int h, D3DCOLOR color )
{
ScreenVertex v[6];
v[0] = ScreenVertex( x, y, 1, color, 0, 0 );
v[2] = ScreenVertex( x+w, y+h, 1, color, 1, 1 );
v[1] = ScreenVertex( x, y+h, 1, color, 0, 1 );
v[3] = ScreenVertex( x, y, 1, color, 0, 0 );
v[5] = ScreenVertex( x+w, y, 1, color, 1, 0 );
v[4] = ScreenVertex( x+w, y+h, 1, color, 1, 1 );
SetTexture(NULL, 0);
SetFVF(D3DFVF_SCREENVERTEX);
SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
D3DDevice->DrawPrimitiveUP( D3DPT_TRIANGLELIST, 2, v, sizeof(ScreenVertex));
ResetWireframeState();
}
void Screen3D::DrawSprite( int x, int y, Texture* Image, int alpha)
{
SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID );
Texture* T = Image;
Real texturewidth=1, textureheight=1;
if(T)
{
texturewidth = T->GetWidth();
textureheight = T->GetHeight();
}
//float jiggle= (rand() % 10000) - 5000;
//jiggle /= 5000.0f;
float jiggle = 0.5f;
if( alpha != 255 )
jiggle = 0;
x--;
y--;
ScreenVertex v[6];
D3DCOLOR color = D3DCOLOR_ARGB( alpha, 255, 255, 255 );
v[0] = ScreenVertex( x+jiggle, y+jiggle, 1, color, 0, 0 );
v[2] = ScreenVertex( x+jiggle+texturewidth, y+textureheight, 1, color, 1, 1 );
v[1] = ScreenVertex( x+jiggle, y+jiggle+textureheight, 1, color, 0, 1 );
v[3] = ScreenVertex( x+jiggle, y+jiggle, 1, color, 0, 0 );
v[5] = ScreenVertex( x+jiggle+texturewidth, y+jiggle, 1, color, 1, 0 );
v[4] = ScreenVertex( x+jiggle+texturewidth, y+textureheight+jiggle, 1, color, 1, 1 );
SetTexture(Image, 0);
SetFVF(D3DFVF_SCREENVERTEX);
SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
// D3DDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
// D3DDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
//D3DDevice->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
D3DDevice->DrawPrimitiveUP( D3DPT_TRIANGLELIST, 2, v, sizeof(ScreenVertex));
ResetWireframeState();
// Figure out the vertices for the main window
/*ScreenVertex WindowVertices[4];
WindowVertices[0].z = 0;WindowVertices[1].z = 0;WindowVertices[2].z = 0;WindowVertices[3].z = 0;
WindowVertices[0].RHW = 1; WindowVertices[1].RHW = 1; WindowVertices[2].RHW = 1; WindowVertices[3].RHW = 1;
WindowVertices[0].color = D3DCOLOR_RGBA(255, 255, 255, alpha);WindowVertices[1].color = D3DCOLOR_RGBA(255, 255, 255, alpha);
WindowVertices[2].color = D3DCOLOR_RGBA(255, 255, 255, alpha);WindowVertices[3].color = D3DCOLOR_RGBA(255, 255, 255, alpha);
WindowVertices[0].x = x;
WindowVertices[0].y = y;
WindowVertices[1].x = x+texturewidth;
WindowVertices[1].y = y;
WindowVertices[2].x = x;
WindowVertices[2].y = y+textureheight;
WindowVertices[3].x = x+texturewidth;
WindowVertices[3].y = y+textureheight;
WindowVertices[0].tu = 0;
WindowVertices[0].tv = 0;
WindowVertices[1].tu = 1;
WindowVertices[1].tv = 0;
WindowVertices[2].tu = 0;
WindowVertices[2].tv = 1;
WindowVertices[3].tu = 1;
WindowVertices[3].tv = 1;
SetTexture(Image, 0);
D3DDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
D3DDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
D3DDevice->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
SetFVF(D3DFVF_SCREENVERTEX);
D3DDevice->DrawPrimitiveUP( D3DPT_TRIANGLESTRIP, 2, WindowVertices, sizeof(ScreenVertex));*/
}
