public static Vector3 GetCloudColor(
Texture2DResource cloudTexture,
SamplerResource samplerState,
Vector2 cloudUV)
{
return(Sample(cloudTexture, samplerState, cloudUV).XYZ());
}
private void FormGame_Load(object sender, EventArgs e)
{
if (DesignMode)
{
return;
}
var resolver = new GenericFileResolver("GameContent");
var resourceManager = new ResourceManager(resolver);
resourceManager.RegisterLoader(new Model3DLoader(), ".fbx");
resourceManager.RegisterLoader(new Texture2DLoader(), ".png;.jpg;.bmp;.tga;.dds");
model = resourceManager.Load <Model3DResource>("material_sample.fbx");
floor = resourceManager.Load <Model3DResource>("floor.fbx");
texture[0] = resourceManager.Load <Texture2DResource>("DefaultMaterial_Base_Color.png");
normalmap[0] = resourceManager.Load <Texture2DResource>("DefaultMaterial_Normal_DirectX.png");
metallicmap[0] = resourceManager.Load <Texture2DResource>("DefaultMaterial_Metallic.png");
roughnessmap[0] = resourceManager.Load <Texture2DResource>("DefaultMaterial_Roughness.png");
texture[1] = resourceManager.Load <Texture2DResource>("t1_c.png");
normalmap[1] = resourceManager.Load <Texture2DResource>("t1_n.png");
metallicmap[1] = resourceManager.Load <Texture2DResource>("t1_m.png");
roughnessmap[1] = resourceManager.Load <Texture2DResource>("t1_r.png");
texture[2] = resourceManager.Load <Texture2DResource>("t2_c.png");
normalmap[2] = resourceManager.Load <Texture2DResource>("t2_n.png");
metallicmap[2] = resourceManager.Load <Texture2DResource>("t2_m.png");
roughnessmap[2] = resourceManager.Load <Texture2DResource>("t2_r.png");
texture[3] = resourceManager.Load <Texture2DResource>("floor_c.png");
normalmap[3] = resourceManager.Load <Texture2DResource>("floor_n.png");
metallicmap[3] = resourceManager.Load <Texture2DResource>("floor_m.png");
roughnessmap[3] = resourceManager.Load <Texture2DResource>("floor_r.png");
cubemap = resourceManager.Load <Texture2DResource>("yoko.dds");
control = new ControlViewport()
{
Dock = DockStyle.Fill
};
control.CustomRender += ControlOnCustomRender;
Controls.Add(control);
control.MouseMove += ControlOnMouseMove;
control.KeyDown += ControlOnKeyDown;
control.KeyUp += ControlOnKeyUp;
gameLoopWatch = Stopwatch.StartNew();
gameTimer = new Timer();
gameTimer.Interval = 15;
gameTimer.Tick += GameTimerOnTick;
gameTimer.Start();
camera.Position = Vector3.ForwardLH * 10f;
}
private Vector4 SampleTexture(
Vector3 worldNormal, Vector2 uv, Vector2 screenPosition,
TextureMapping textureMapping,
Texture2DResource diffuseTexture,
Vector3 viewVector)
{
const float twoPi = 2 * 3.1415926535f;
var t = GlobalConstantsShared.TimeInSeconds;
switch (textureMapping.MappingType)
{
case 0: // TEXTURE_MAPPING_UV
{
uv = new Vector2(uv.X, 1 - uv.Y);
break;
}
case 1: // TEXTURE_MAPPING_ENVIRONMENT
{
uv = (Vector3.Reflect(viewVector, worldNormal).XY() / 2.0f) + new Vector2(0.5f, 0.5f);
break;
}
case 2: // TEXTURE_MAPPING_LINEAR_OFFSET
{
var offset = textureMapping.UVPerSec * t;
uv = new Vector2(uv.X, 1 - uv.Y) + offset;
uv *= textureMapping.UVScale;
break;
}
case 3: // TEXTURE_MAPPING_ROTATE
{
var angle = textureMapping.Speed * t * twoPi;
var s = Sin(angle);
var c = Cos(angle);
uv -= textureMapping.UVCenter;
var rotatedPoint = new Vector2(
uv.X * c - uv.Y * s,
uv.X * s + uv.Y * c);
uv = rotatedPoint + textureMapping.UVCenter;
uv *= textureMapping.UVScale;
break;
}
case 4: // TEXTURE_MAPPING_SINE_LINEAR_OFFSET
{
uv.X += textureMapping.UVAmplitude.X * Sin(textureMapping.UVFrequency.X * t * twoPi - textureMapping.UVPhase.X * twoPi);
uv.Y += textureMapping.UVAmplitude.Y * Cos(textureMapping.UVFrequency.Y * t * twoPi - textureMapping.UVPhase.Y * twoPi);
break;
}
case 5: // TEXTURE_MAPPING_SCREEN
{
uv = (screenPosition / GlobalConstantsPS.ViewportSize) * textureMapping.UVScale;
break;
}
case 6: // TEXTURE_MAPPING_SCALE
{
uv *= textureMapping.UVScale;
break;
}
case 7: // TEXTURE_MAPPING_GRID
{
uv = new Vector2(uv.X, 1 - uv.Y);
// TODO: This should really use a uint overload of Pow.
var numFramesPerSide = Pow(2f, textureMapping.Log2Width);
var numFrames = numFramesPerSide * numFramesPerSide;
var currentFrame = Mod(t * textureMapping.FPS, numFrames);
var currentFrameU = Mod(currentFrame, numFramesPerSide);
var currentFrameV = currentFrame / numFramesPerSide;
uv.X += currentFrameU / numFramesPerSide;
uv.Y += currentFrameV / numFramesPerSide;
break;
}
}
return(Sample(diffuseTexture, Sampler, uv));
}
public static Vector4 Sample(Texture2DResource texture, SamplerResource sampler, Vector2 texCoords) => throw new ShaderBuiltinException();
private Vector4 SampleTexture(Texture2DResource myTexture, SamplerResource mySampler)
{
return(Sample(myTexture, mySampler, Vector2.Zero));
}
private Vector4 SampleTexture(
Vector3 worldNormal, Vector2 uv, Vector2 screenPosition,
TextureMapping textureMapping,
Texture2DResource diffuseTexture,
Vector3 viewVector)
{
const float twoPi = 2 * 3.1415926535f;
var t = GlobalConstantsShared.TimeInSeconds;
switch (textureMapping.MappingType)
{
case TextureMappingType.Uv:
{
uv = new Vector2(uv.X, 1 - uv.Y);
break;
}
case TextureMappingType.Environment:
{
uv = (Vector3.Reflect(viewVector, worldNormal).XY() / 2.0f) + new Vector2(0.5f, 0.5f);
break;
}
case TextureMappingType.LinearOffset:
{
var offset = textureMapping.UVPerSec * t;
uv = new Vector2(uv.X, 1 - uv.Y) + offset;
uv *= textureMapping.UVScale;
break;
}
case TextureMappingType.Rotate:
{
var angle = textureMapping.Speed * t * twoPi;
var s = Sin(angle);
var c = Cos(angle);
uv -= textureMapping.UVCenter;
var rotatedPoint = new Vector2(
uv.X * c - uv.Y * s,
uv.X * s + uv.Y * c);
uv = rotatedPoint + textureMapping.UVCenter;
uv *= textureMapping.UVScale;
break;
}
case TextureMappingType.SineLinearOffset:
{
uv.X += textureMapping.UVAmplitude.X * Sin(textureMapping.UVFrequency.X * t * twoPi - textureMapping.UVPhase.X * twoPi);
uv.Y += textureMapping.UVAmplitude.Y * Cos(textureMapping.UVFrequency.Y * t * twoPi - textureMapping.UVPhase.Y * twoPi);
break;
}
case TextureMappingType.Screen:
{
uv = (screenPosition / GlobalConstantsPS.ViewportSize) * textureMapping.UVScale;
break;
}
case TextureMappingType.Scale:
{
uv *= textureMapping.UVScale;
break;
}
case TextureMappingType.Grid:
{
uv = new Vector2(uv.X, 1 - uv.Y);
// TODO: This should really use a uint overload of Pow.
var numFramesPerSide = Pow(2f, textureMapping.Log2Width);
var numFrames = numFramesPerSide * numFramesPerSide;
var currentFrame = Mod(t * textureMapping.Fps, numFrames);
var currentFrameU = Mod(currentFrame, numFramesPerSide);
var currentFrameV = currentFrame / numFramesPerSide;
uv.X += currentFrameU / numFramesPerSide;
uv.Y += currentFrameV / numFramesPerSide;
break;
}
}
return(Sample(diffuseTexture, Sampler, uv));
}
