static affine2 billboard_texcoords(int x, int y, bool flip)
{
float x0 = 0.125f * x;
float x1 = x0 + 0.125f;
float y0 = 0.125f * y;
float y1 = y0 + 0.125f;
return flip ? affine2(glm::vec2(x1, y0), glm::vec2(x0, y1)) : affine2(glm::vec2(x0, y0), glm::vec2(x1, y1));
}
void UnitTrackingMarker::RenderTrackingShadow(BillboardTextureShape* renderer)
{
glm::vec2 destination = DestinationXXX();
glm::vec3 position = _battleView->GetBattleSimulator()->GetBattleMap()->GetHeightMap()->GetPosition(destination, 0);
renderer->AddBillboard(position, 32, affine2(glm::vec2(0, 0), glm::vec2(1, 1)));
}
void UnitTrackingMarker::RenderTrackingMarker(BillboardTextureShape* renderer)
{
if (_meleeTarget == nullptr)
{
glm::vec2 destination = DestinationXXX();
glm::vec3 position = _battleView->GetBattleSimulator()->GetBattleMap()->GetHeightMap()->GetPosition(destination, 0);
glm::vec2 texsize(0.1875, 0.1875); // 48 / 256
glm::vec2 texcoord = texsize * glm::vec2(_unit->GetTeam() == _battleView->GetCommander()->GetTeam() ? 2 : 0, 2);
renderer->AddBillboard(position, 32, affine2(texcoord, texcoord + texsize));
}
}