/// <summary>
/// Setzt das Modell für die First-Person-Ansicht (z.B. Hände oder Waffen)
/// </summary>
/// <param name="modelname">Name des 3D-Modells</param>
/// <param name="isAffectedByLight">Gibt an, ob das Modell auf Lightquellen reagiert oder nicht</param>
/// <param name="receiveShadows">Gibt an, ob Schatten das Modell beeinflussen oder nicht</param>
public void SetFirstPersonObjectItemModel(string modelname, bool isAffectedByLight = true, bool receiveShadows = false)
{
if (KWEngine.CurrentWorld._firstPersonObject == null)
{
return;
}
if (KWEngine.CurrentWorld._firstPersonWeaponObject == null)
{
_firstPersonWeaponObject = new FPVModelObject();
_firstPersonWeaponObject.SetModel(modelname, KWEngine.CurrentWorld, isAffectedByLight, receiveShadows);
}
else
{
_firstPersonWeaponObject.SetModel(modelname, KWEngine.CurrentWorld, isAffectedByLight, receiveShadows);
}
_firstPersonWeaponObject._fakeGameObject.CurrentWorld = this;
}
internal void Draw(GameObject g, ref Matrix4 viewProjection, int textureIndex, FPVModelObject fpModelObject = null)
{
lock (g)
{
GL.Uniform4(mUniform_Glow, g.Glow);
GL.Uniform4(mUniform_Outline, g.ColorOutline);
GL.Uniform3(mUniform_TintColor, g.Color);
GL.Uniform1(mUniform_LightAffection, g.IsAffectedByLight ? 1 : 0);
// Camera
if (!CurrentWorld.IsFirstPersonMode)
{
GL.Uniform3(mUniform_uCameraPos, g.CurrentWorld.GetCameraPosition().X, g.CurrentWorld.GetCameraPosition().Y, g.CurrentWorld.GetCameraPosition().Z);
GL.Uniform3(mUniform_uCameraDirection, g.CurrentWorld.GetCameraLookAtVector());
}
else
{
if (fpModelObject != null)
{
GL.Uniform3(mUniform_uCameraPos, fpModelObject._tmpLAVStartPos);
GL.Uniform3(mUniform_uCameraDirection, fpModelObject._tmpLAV);
}
else
{
GL.Uniform3(mUniform_uCameraPos, g.CurrentWorld.GetFirstPersonObject().Position.X, g.CurrentWorld.GetFirstPersonObject().Position.Y + g.CurrentWorld.GetFirstPersonObject().FPSEyeOffset, g.CurrentWorld.GetFirstPersonObject().Position.Z);
GL.Uniform3(mUniform_uCameraDirection, HelperCamera.GetLookAtVector());
}
}
int index = 0;
for (int i = 0; i < g.Model.Meshes.Keys.Count; i++)
{
string meshName = g.Model.Meshes.Keys.ElementAt(i);
if (g.Model.IsKWCube6)
{
index = 0;
}
// Matrices:
try
{
Matrix4.Mult(ref g.ModelMatrixForRenderPass[index], ref viewProjection, out _modelViewProjection);
Matrix4.Transpose(ref g.ModelMatrixForRenderPass[index], out _normalMatrix);
Matrix4.Invert(ref _normalMatrix, out _normalMatrix);
}
catch (Exception)
{
continue;
}
GL.UniformMatrix4(mUniform_ModelMatrix, false, ref g.ModelMatrixForRenderPass[index]);
GL.UniformMatrix4(mUniform_NormalMatrix, false, ref _normalMatrix);
GL.UniformMatrix4(mUniform_MVP, false, ref _modelViewProjection);
index++;
GL.Disable(EnableCap.Blend);
GeoMesh mesh = g.Model.Meshes.Values.ElementAt(i);
GeoMaterial meshMaterial = g._materials[i];
if (meshMaterial.Opacity <= 0)
{
continue;
}
if (meshMaterial.Opacity < 1 || g.Opacity < 1 || g.Model.Name == "kwquad.obj")
{
GL.Enable(EnableCap.Blend);
}
if (g.ColorEmissive.W > 0)
{
GL.Uniform4(mUniform_EmissiveColor, g.ColorEmissive);
}
else
{
GL.Uniform4(mUniform_EmissiveColor, meshMaterial.ColorEmissive.X, meshMaterial.ColorEmissive.Y, meshMaterial.ColorEmissive.Z, meshMaterial.ColorEmissive.W);
}
GL.Uniform1(mUniform_Opacity, meshMaterial.Opacity * g.Opacity);
if (mesh.BoneNames.Count > 0 && g.AnimationID >= 0 && g.Model.Animations != null && g.Model.Animations.Count > 0)
{
GL.Uniform1(mUniform_UseAnimations, 1);
for (int j = 0; j < g.BoneTranslationMatrices[meshName].Length; j++)
{
Matrix4 tmp = g.BoneTranslationMatrices[meshName][j];
GL.UniformMatrix4(mUniform_BoneTransforms + j, false, ref tmp);
}
}
else
{
GL.Uniform1(mUniform_UseAnimations, 0);
}
GL.Uniform1(mUniform_Roughness, meshMaterial.Roughness);
GL.Uniform1(mUniform_Metalness, meshMaterial.Metalness);
Vector4 texTransform = new Vector4(meshMaterial.TextureAlbedo.UVTransform.X == 0 ? 1 : meshMaterial.TextureAlbedo.UVTransform.X, meshMaterial.TextureAlbedo.UVTransform.Y == 0 ? 1 : meshMaterial.TextureAlbedo.UVTransform.Y, g.mTextureOffset.X, g.mTextureOffset.Y);
GL.Uniform4(mUniform_TextureTransform, texTransform);
// albedo map:
int texId = meshMaterial.TextureAlbedo.OpenGLID;
GL.ActiveTexture(TextureUnit.Texture0 + textureIndex);
if (texId > 0)
{
GL.BindTexture(TextureTarget.Texture2D, texId);
GL.Uniform1(mUniform_Texture, textureIndex);
GL.Uniform1(mUniform_TextureUse, 1);
GL.Uniform3(mUniform_BaseColor, 1f, 1f, 1f);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, KWEngine.TextureWhite);
GL.Uniform1(mUniform_Texture, textureIndex);
GL.Uniform1(mUniform_TextureUse, 0);
GL.Uniform3(mUniform_BaseColor, meshMaterial.ColorAlbedo.X, meshMaterial.ColorAlbedo.Y, meshMaterial.ColorAlbedo.Z);
}
// normal map:
texId = meshMaterial.TextureNormal.OpenGLID;
GL.ActiveTexture(TextureUnit.Texture0 + textureIndex + 1);
if (texId > 0)
{
GL.BindTexture(TextureTarget.Texture2D, texId);
GL.Uniform1(mUniform_TextureNormalMap, textureIndex + 1);
GL.Uniform1(mUniform_TextureUseNormalMap, 1);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, KWEngine.TextureWhite);
GL.Uniform1(mUniform_TextureNormalMap, textureIndex + 1);
GL.Uniform1(mUniform_TextureUseNormalMap, 0);
}
// roughness map:
GL.ActiveTexture(TextureUnit.Texture0 + textureIndex + 2);
if (meshMaterial.TextureRoughness.OpenGLID > 0)
{
GL.BindTexture(TextureTarget.Texture2D, meshMaterial.TextureRoughness.OpenGLID);
GL.Uniform1(mUniform_TextureRoughnessMap, textureIndex + 2);
GL.Uniform1(mUniform_TextureUseRoughnessMap, 1);
GL.Uniform1(mUniform_TextureRoughnessIsSpecular, meshMaterial.TextureRoughnessIsSpecular ? 1 : 0);
}
else
{
if (meshMaterial.TextureRoughnessInMetalness && meshMaterial.TextureMetalness.OpenGLID > 0)
{
GL.BindTexture(TextureTarget.Texture2D, KWEngine.TextureWhite);
GL.Uniform1(mUniform_TextureRoughnessMap, textureIndex + 2);
GL.Uniform1(mUniform_TextureUseRoughnessMap, 0);
GL.Uniform1(mUniform_TextureRoughnessIsSpecular, 1);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, KWEngine.TextureWhite);
GL.Uniform1(mUniform_TextureRoughnessMap, textureIndex + 2);
GL.Uniform1(mUniform_TextureUseRoughnessMap, 0);
GL.Uniform1(mUniform_TextureRoughnessIsSpecular, 0);
}
}
// metalness map:
GL.ActiveTexture(TextureUnit.Texture0 + textureIndex + 3);
if (meshMaterial.TextureMetalness.OpenGLID > 0)
{
GL.BindTexture(TextureTarget.Texture2D, meshMaterial.TextureMetalness.OpenGLID);
GL.Uniform1(mUniform_TextureMetalnessMap, textureIndex + 3);
GL.Uniform1(mUniform_TextureUseMetalnessMap, 1);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, KWEngine.TextureBlack);
GL.Uniform1(mUniform_TextureMetalnessMap, textureIndex + 3);
GL.Uniform1(mUniform_TextureUseMetalnessMap, 0);
}
// emissive map:
GL.ActiveTexture(TextureUnit.Texture0 + textureIndex + 4);
if (meshMaterial.TextureEmissive.OpenGLID > 0)
{
GL.BindTexture(TextureTarget.Texture2D, meshMaterial.TextureEmissive.OpenGLID);
GL.Uniform1(mUniform_TextureEmissiveMap, textureIndex + 4);
GL.Uniform1(mUniform_TextureUseEmissiveMap, 1);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, KWEngine.TextureBlack);
GL.Uniform1(mUniform_TextureEmissiveMap, textureIndex + 4);
GL.Uniform1(mUniform_TextureUseEmissiveMap, 0);
}
GL.ActiveTexture(TextureUnit.Texture0 + textureIndex + 5);
if (meshMaterial.TextureLight.OpenGLID > 0)
{
GL.BindTexture(TextureTarget.Texture2D, meshMaterial.TextureLight.OpenGLID);
GL.Uniform1(mUniform_TextureLightMap, textureIndex + 5);
GL.Uniform1(mUniform_TextureUseLightMap, 1);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, KWEngine.TextureWhite);
GL.Uniform1(mUniform_TextureLightMap, textureIndex + 5);
GL.Uniform1(mUniform_TextureUseLightMap, 0);
}
GL.Uniform1(mUniform_TextureFullAlpha, g.Model.Name == "kwquad.obj" ? 1 : 0);
GL.BindVertexArray(mesh.VAO);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, mesh.VBOIndex);
GL.DrawElements(mesh.Primitive, mesh.IndexCount, DrawElementsType.UnsignedInt, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
GL.BindVertexArray(0);
GL.BindTexture(TextureTarget.Texture2D, 0);
}
}
}