Gottfried/glitchy-engine-beef
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Added Entity hierarchy and hierarchical transforms

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This commit is contained in:
Simon Lübeß
2021-08-28 22:28:40 +02:00
parent ce03f7c600
commit b376525d30
7 changed files with 127 additions and 53 deletions
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Sandbox/src/SandboxApp.bf
+41 -30
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@@ -270,23 +270,54 @@ namespace Sandbox
*/
}
Entity evenCrazierParent;
Entity crazyParent;
void InitEcs()
{
_world.Register<TransformComponent>();
_world.Register<ParentComponent>();
_world.Register<MeshComponent>();
_world.Register<CameraComponent>();
Entity[20][20] entities;
for(int x < 20)
for(int y < 20)
{
Entity entity = _world.NewEntity();
entities[x][y] = entity;
var transform = _world.AssignComponent<TransformComponent>(entity);
transform.Transform = Matrix.Translation(x * 0.2f, y * 0.2f, 0) * Matrix.Scaling(0.1f);
transform.LocalTransform = Matrix.Translation(x * 0.2f, y * 0.2f, 0) * Matrix.Scaling(0.1f);
var mesh = _world.AssignComponent<MeshComponent>(entity);
mesh.Mesh = _quadGeometryBinding;
}
crazyParent = _world.NewEntity();
evenCrazierParent = _world.NewEntity();
var crazyTransform = _world.AssignComponent<TransformComponent>(evenCrazierParent);
crazyTransform.Position = .Zero;
crazyTransform.Scale = .One;
crazyTransform.Rotation = .Zero;
var pp = _world.AssignComponent<ParentComponent>(crazyParent);
pp.Entity = evenCrazierParent;
crazyTransform = _world.AssignComponent<TransformComponent>(crazyParent);
crazyTransform.Position = .Zero;
crazyTransform.Scale = .(2.0f, 2.0f, 2.0f);
crazyTransform.Rotation = .Zero;
for(int x < 20)
for(int y < 20)
{
var parent = _world.AssignComponent<ParentComponent>(entities[x][y]);
parent.Entity = crazyParent;
}
}
float f = 0.0f;
@@ -387,39 +418,19 @@ namespace Sandbox
}
}
/*
// Draw bind pose
for(Joint joint in Skeleton.Joints)
{
Matrix bindPose = joint.InverseBindPose.Invert();
if(joint.ParentID != uint8.MaxValue)
{
Vector3 start = bindPose.Translation;
Matrix parentBindPose = Skeleton.Joints[joint.ParentID].InverseBindPose.Invert();
Vector3 end = parentBindPose.Translation;
Renderer.DrawLine(start, end, .White);
}
Renderer.DrawLine(.Zero, Vector3(0.1f, 0, 0), .Red, bindPose);
Renderer.DrawLine(.Zero, Vector3(0, 0.1f, 0), .Lime, bindPose);
Renderer.DrawLine(.Zero, Vector3(0, 0, 0.1f), .Blue, bindPose);
}
*/
testEffect.ReleaseRef();
}
_context.SetRasterizerState(_rasterizerState);
for(var entity in _world.Enumerate(typeof(TransformComponent)))
{
var transform = _world.GetComponent<TransformComponent>(entity);
transform.Update();
}
var crazyTransform = _world.GetComponent<TransformComponent>(evenCrazierParent);
crazyTransform.Rotation += .((float)gameTime.FrameTime.TotalSeconds / 2, 0, 0);
crazyTransform = _world.GetComponent<TransformComponent>(crazyParent);
crazyTransform.Rotation += .(0, (float)gameTime.FrameTime.TotalSeconds, 0);
TransformSystem.Update(_world);
int i = 0;
for(var entity in _world.Enumerate(typeof(TransformComponent), typeof(MeshComponent)))
{
@@ -433,7 +444,7 @@ namespace Sandbox
var transform = _world.GetComponent<TransformComponent>(entity);
var mesh = _world.GetComponent<MeshComponent>(entity);
Renderer.Submit(mesh.Mesh, basicEffect, transform.Transform);
Renderer.Submit(mesh.Mesh, basicEffect, transform.WorldTransform);
}
basicEffect.Variables["BaseColor"].SetData(_squareColor1);