public static float4x4 ProjectionMatrixFromCamera(ref Camera camera)
{
if (camera.mode == ProjectionMode.Orthographic)
{
return(ProjectionHelper.ProjectionMatrixOrtho(camera.clipZNear, camera.clipZFar, camera.fov, camera.aspect));
}
else
{
return(ProjectionHelper.ProjectionMatrixPerspective(camera.clipZNear, camera.clipZFar, camera.fov, camera.aspect));
}
}
protected override void OnUpdate()
{
// add matrices component if needed
Entities.WithNone <LightMatrices>().WithAll <Light>().ForEach((Entity e) =>
{
EntityManager.AddComponent <LightMatrices>(e);
});
// add frustum component if needed
Entities.WithNone <Frustum>().WithAll <Light>().ForEach((Entity e) =>
{
EntityManager.AddComponent <Frustum>(e);
});
// update
Entities.ForEach((ref Light c, ref LocalToWorld tx, ref LightMatrices m, ref SpotLight sl, ref Frustum f) =>
{ // spot light
m.projection = ProjectionHelper.ProjectionMatrixPerspective(c.clipZNear, c.clipZFar, sl.fov, 1.0f);
m.view = math.inverse(tx.Value);
m.mvp = math.mul(m.projection, m.view);
ProjectionHelper.FrustumFromMatrices(m.projection, m.view, ref f);
});
Entities.ForEach((ref Light c, ref LocalToWorld tx, ref LightMatrices m, ref DirectionalLight dr, ref Frustum f) =>
{ // directional
m.projection = ProjectionHelper.ProjectionMatrixOrtho(c.clipZNear, c.clipZFar, dr.size, 1.0f);
m.view = math.inverse(tx.Value);
m.mvp = math.mul(m.projection, m.view);
ProjectionHelper.FrustumFromMatrices(m.projection, m.view, ref f);
});
Entities.WithNone <DirectionalLight, SpotLight>().ForEach((ref Light c, ref LocalToWorld tx, ref LightMatrices m, ref Frustum f) =>
{ // point
m.projection = float4x4.identity;
m.view = math.inverse(tx.Value);
m.mvp = math.mul(m.projection, m.view);
// build furstum from bounds
ProjectionHelper.FrustumFromCube(tx.Value.c3.xyz, c.clipZFar, ref f);
});
}
// gizmos for debuging
protected override void OnUpdate()
{
RendererBGFXInstance *sys = World.GetExistingSystem <RendererBGFXSystem>().InstancePointer();
if (!sys->m_initialized)
{
return;
}
Dependency.Complete();
bgfx.Encoder *encoder = bgfx.encoder_begin(false);
// tangents & normals
Entities.WithoutBurst().WithAll <RenderToPasses>().ForEach((Entity e, ref MeshRenderer mr, ref LocalToWorld tx, ref GizmoNormalsAndTangents giz) =>
{
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
var pass = EntityManager.GetComponentData <RenderPass>(ePass);
float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass);
if (EntityManager.HasComponent <LitMeshRenderData>(mr.mesh))
{
var meshBase = EntityManager.GetComponentData <LitMeshRenderData>(mr.mesh);
Assert.IsTrue(giz.length > 0);
float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h);
SubmitHelper.EncodeDebugTangents(sys, encoder, pass.viewId, normWidth, giz.length, ref meshBase, ref tx.Value, ref pass.viewTransform, ref adjustedProjection);
}
}
}).Run();
// object bounding box
Entities.WithoutBurst().ForEach((Entity e, ref MeshRenderer mr, ref LocalToWorld tx, ref GizmoObjectBoundingBox giz) =>
{
if (!EntityManager.HasComponent <RenderToPasses>(e))
{
return;
}
AABB b = EntityManager.GetComponentData <MeshBounds>(mr.mesh).Bounds;
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
EncodeBox(sys, encoder, ePass, ref tx.Value, b.Min, b.Max, giz.width, giz.color);
}
}).Run();
// world bounds
Entities.WithoutBurst().ForEach((Entity e, ref WorldBounds b, ref LocalToWorld tx, ref GizmoWorldBoundingBox giz) =>
{
if (!EntityManager.HasComponent <RenderToPasses>(e))
{
return;
}
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
float4x4 idm = float4x4.identity;
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
var pass = EntityManager.GetComponentData <RenderPass>(ePass);
float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass);
float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h);
for (int j = 0; j < Culling.EdgeTable.Length; j++)
{
float3 p0 = b.GetVertex(Culling.EdgeTable[j] & 7);
float3 p1 = b.GetVertex(Culling.EdgeTable[j] >> 3);
SubmitHelper.EncodeLine(sys, encoder, pass.viewId, p0, p1, giz.color, normWidth,
ref idm, ref pass.viewTransform, ref adjustedProjection);
}
}
}).Run();
// transform
Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref GizmoTransform giz) =>
{
if (!EntityManager.HasComponent <RenderToPasses>(e))
{
return;
}
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
var pass = EntityManager.GetComponentData <RenderPass>(ePass);
float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass);
float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h);
Assert.IsTrue(giz.length > 0);
SubmitHelper.EncodeLine(sys, encoder, pass.viewId, new float3(0), new float3(giz.length, 0, 0), new float4(1, 0, 0, 1), normWidth, ref tx.Value, ref pass.viewTransform, ref adjustedProjection);
SubmitHelper.EncodeLine(sys, encoder, pass.viewId, new float3(0), new float3(0, giz.length, 0), new float4(0, 1, 0, 1), normWidth, ref tx.Value, ref pass.viewTransform, ref adjustedProjection);
SubmitHelper.EncodeLine(sys, encoder, pass.viewId, new float3(0), new float3(0, 0, giz.length), new float4(0, 0, 1, 1), normWidth, ref tx.Value, ref pass.viewTransform, ref adjustedProjection);
}
}).Run();
// sphere
Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref WorldBoundingSphere bs, ref GizmoBoundingSphere giz) =>
{
if (!EntityManager.HasComponent <RenderToPasses>(e))
{
return;
}
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
float4x4 idm = float4x4.identity;
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
var pass = EntityManager.GetComponentData <RenderPass>(ePass);
float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass);
float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h);
Assert.IsTrue(giz.subdiv >= 4);
Circle(sys, encoder, pass.viewId, bs.position, new float3(0, 0, 1), new float3(0, 1, 0), bs.radius, giz.subdiv, new float4(1, 0, 0, 1), normWidth, ref idm, ref pass.viewTransform, ref adjustedProjection); // z/y plane
Circle(sys, encoder, pass.viewId, bs.position, new float3(1, 0, 0), new float3(0, 0, 1), bs.radius, giz.subdiv, new float4(0, 1, 0, 1), normWidth, ref idm, ref pass.viewTransform, ref adjustedProjection); // x/z plane
Circle(sys, encoder, pass.viewId, bs.position, new float3(0, 1, 0), new float3(1, 0, 0), bs.radius, giz.subdiv, new float4(0, 0, 1, 1), normWidth, ref idm, ref pass.viewTransform, ref adjustedProjection); // y/x plane
}
}).Run();
// spot lights
Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref Light l, ref SpotLight sl, ref GizmoLight giz) =>
{
if (!EntityManager.HasComponent <RenderToPasses>(e))
{
return;
}
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
float4 color = giz.overrideColor ? giz.color : new float4(l.color, 1.0f);
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
var pass = EntityManager.GetComponentData <RenderPass>(ePass);
float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h);
float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass);
// render frustum
float t = math.tan(math.radians(sl.fov) * .5f);
for (int j = 0; j < Culling.EdgeTable.Length; j++)
{
float3 pp0 = ProjectionHelper.FrustumVertexPerspective(Culling.EdgeTable[j] & 7, t, t, l.clipZNear, l.clipZFar);
float3 pp1 = ProjectionHelper.FrustumVertexPerspective(Culling.EdgeTable[j] >> 3, t, t, l.clipZNear, l.clipZFar);
SubmitHelper.EncodeLine(sys, encoder, pass.viewId, pp0, pp1, color, normWidth,
ref tx.Value, ref pass.viewTransform, ref adjustedProjection);
}
}
}).Run();
// directional lights
Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref Light l, ref DirectionalLight dl, ref GizmoLight giz) =>
{
if (!EntityManager.HasComponent <RenderToPasses>(e))
{
return;
}
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
float4 color = giz.overrideColor ? giz.color : new float4(l.color, 1.0f);
float3 cMin = new float3(-1, -1, l.clipZNear);
float3 cMax = new float3(1, 1, l.clipZFar);
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
EncodeBox(sys, encoder, ePass, ref tx.Value, cMin, cMax, giz.width, color);
}
}).Run();
// point lights
// cameras
Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref Camera cam, ref GizmoCamera giz) =>
{
if (!EntityManager.HasComponent <RenderToPasses>(e))
{
return;
}
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
var pass = EntityManager.GetComponentData <RenderPass>(ePass);
float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h);
float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass);
// render box
if (cam.mode == ProjectionMode.Orthographic)
{
float3 cMin = new float3(-cam.fov, -cam.fov, cam.clipZNear);
float3 cMax = new float3(cam.fov, cam.fov, cam.clipZFar);
EncodeBox(sys, encoder, ePass, ref tx.Value, cMin, cMax, giz.width, giz.color);
}
else if (cam.mode == ProjectionMode.Perspective)
{
float h = math.tan(math.radians(cam.fov) * .5f);
float w = h * cam.aspect;
for (int j = 0; j < Culling.EdgeTable.Length; j++)
{
float3 pp0 = ProjectionHelper.FrustumVertexPerspective(Culling.EdgeTable[j] & 7, w, h, cam.clipZNear, cam.clipZFar);
float3 pp1 = ProjectionHelper.FrustumVertexPerspective(Culling.EdgeTable[j] >> 3, w, h, cam.clipZNear, cam.clipZFar);
SubmitHelper.EncodeLine(sys, encoder, pass.viewId, pp0, pp1, giz.color, normWidth,
ref tx.Value, ref pass.viewTransform, ref adjustedProjection);
}
}
}
}).Run();
// auto bounds
Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref AutoMovingDirectionalLight amd, ref GizmoAutoMovingDirectionalLight giz) =>
{
if (!EntityManager.HasComponent <RenderToPasses>(e))
{
return;
}
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
float4x4 idm = float4x4.identity;
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
EncodeBox(sys, encoder, ePass, ref idm, amd.bounds.Min, amd.bounds.Max, giz.width, giz.colorCasters);
EncodeBox(sys, encoder, ePass, ref idm, amd.boundsClipped.Min, amd.boundsClipped.Max, giz.width, giz.colorClippedReceivers);
}
}).Run();
// debug display textures as overlays
Entities.WithoutBurst().ForEach((Entity e, ref TextureBGFX tex, ref GizmoDebugOverlayTexture giz) => {
if (!EntityManager.HasComponent <RenderToPasses>(e))
{
return;
}
RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e);
DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e);
float4x4 m = float4x4.identity;
m.c3.xy = giz.pos;
m.c0.x = giz.size.x;
m.c1.y = giz.size.y;
SimpleMaterialBGFX sm = new SimpleMaterialBGFX
{
texAlbedoOpacity = tex.handle,
constAlbedo_Opacity = giz.color,
mainTextureScaleTranslate = new float4(1, 1, 0, 0),
state = (ulong)bgfx.StateFlags.WriteRgb
};
for (int i = 0; i < toPasses.Length; i++)
{
Entity ePass = toPasses[i].e;
var pass = EntityManager.GetComponentData <RenderPass>(ePass);
SubmitHelper.EncodeSimpleMesh(sys, encoder, pass.viewId, ref sys->m_quadMesh, ref m, ref sm, 0, 6, pass.GetFlipCulling(), 0);
}
}).Run();
bgfx.encoder_end(encoder);
}
static void FrustumFromCamera(ref CameraMatrices cm, ref Frustum dest)
{
ProjectionHelper.FrustumFromMatrices(cm.projection, cm.view, ref dest);
}
