/*Shader*/
void drawTexture(Texture texture, float opacity)
{
_screenShader.SetTexture("d_screen", texture);
_Device.SetSamplerState(0, SamplerState.AddressU, TextureAddress.Clamp);
_Device.SetSamplerState(0, SamplerState.AddressV, TextureAddress.Clamp);
_Device.SetSamplerState(0, SamplerState.MinFilter, TextureFilter.Point);
_Device.SetSamplerState(0, SamplerState.MagFilter, TextureFilter.Point);
_screenShader.SetValue("d_opacity", _particles.Fade);
// patch pour directx 9, ne pas avoir se code en open gl es
_screenShader.SetValue("d_miPixX", -0.5f / texture.GetLevelDescription(0).Width);
_screenShader.SetValue("d_miPixY", -0.5f / texture.GetLevelDescription(0).Height);
_screenShader.Begin();
_screenShader.BeginPass(0);
UtilDraw.drawInQuad(_Device);
_screenShader.EndPass();
_screenShader.End();
}
private void updateParticles()
{
int particleRes = _particles.getParticleStateResolution();
RenderToSurface rts = new RenderToSurface(_Device, particleRes, particleRes, _stateParticleTexture1.GetLevelDescription(0).Format);
Surface surface = _stateParticleTexture1.GetSurfaceLevel(0);
rts.BeginScene(surface, new SharpDX.Viewport(0, 0, particleRes, particleRes, 0, 1));
/*set parametres shader*/
_updateParticleShader.SetTexture("d_wind", _windTexture);
_Device.SetSamplerState(0, SamplerState.AddressU, TextureAddress.Clamp);
_Device.SetSamplerState(0, SamplerState.AddressV, TextureAddress.Clamp);
_Device.SetSamplerState(0, SamplerState.MinFilter, TextureFilter.Linear);
_Device.SetSamplerState(0, SamplerState.MagFilter, TextureFilter.Linear);
_updateParticleShader.SetTexture("d_particles", _stateParticleTexture0);
_Device.SetSamplerState(1, SamplerState.AddressU, TextureAddress.Clamp);
_Device.SetSamplerState(1, SamplerState.AddressV, TextureAddress.Clamp);
_Device.SetSamplerState(1, SamplerState.MinFilter, TextureFilter.Point);
_Device.SetSamplerState(1, SamplerState.MagFilter, TextureFilter.Point);
//parametros JSON
_updateParticleShader.SetValue("d_rand_seed", (float)new Random().NextDouble());
_updateParticleShader.SetValue("d_wind_resolution", new float[] { _windData.width, _windData.height });
_updateParticleShader.SetValue("d_wind_min", new float[] { _windData.uMin, _windData.vMin });
_updateParticleShader.SetValue("d_wind_max", new float[] { _windData.uMax, _windData.vMax });
_updateParticleShader.SetValue("d_particles_res", particleRes);
_updateParticleShader.SetValue("d_particles_min", min_range);
_updateParticleShader.SetValue("d_particles_max", max_range);
//parametros Menu
_updateParticleShader.SetValue("d_speed_factor", _particles.SpeedFactor);
//correction texture inverse
_updateParticleShader.SetValue("d_miPixX", -0.5f / _stateParticleTexture0.GetLevelDescription(0).Width);
_updateParticleShader.SetValue("d_miPixY", -0.5f / _stateParticleTexture0.GetLevelDescription(0).Height);
if (_particles.IsWave)
{
_updateParticleShader.Technique = "Wave";
}
else
{
_updateParticleShader.Technique = "Default";
}
/************************/
_updateParticleShader.SetValue("d_ParticulesByBlock", _particlesPerBlock);
_updateParticleShader.SetValue("d_delta", dx);
/************************/
_updateParticleShader.Begin();
_updateParticleShader.BeginPass(0);
UtilDraw.drawInQuad(_Device);
_updateParticleShader.EndPass();
_updateParticleShader.End();
rts.EndScene(Filter.None);
surface.Dispose();
rts.Dispose();
/*Change index for fading and reset*/
updateIndexReset();
/*exchange texture*/
_tempTexture = _stateParticleTexture0;
_stateParticleTexture0 = _stateParticleTexture1;
_stateParticleTexture1 = _tempTexture;
}