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resurrected mesh wind; added wind paint tool;

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This commit is contained in:
turanszkij
2020-04-11 12:35:53 +01:00
parent a2ca7d2bcf
commit ed0b3fed07
16 changed files with 282 additions and 89 deletions
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Editor/PaintToolWindow.cpp
+112 -13
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@@ -33,6 +33,7 @@ PaintToolWindow::PaintToolWindow(EditorComponent* editor) : editor(editor)
modeComboBox->AddItem("Hairparticle - Add Triangle");
modeComboBox->AddItem("Hairparticle - Remove Triangle");
modeComboBox->AddItem("Hairparticle - Length (Alpha)");
modeComboBox->AddItem("Wind weight (Alpha)");
modeComboBox->SetSelected(0);
modeComboBox->OnSelect([&](wiEventArgs args) {
textureSlotComboBox->SetEnabled(false);
@@ -71,6 +72,9 @@ PaintToolWindow::PaintToolWindow(EditorComponent* editor) : editor(editor)
case MODE_HAIRPARTICLE_LENGTH:
infoLabel->SetText("In hair particle length mode, you can adjust length of hair particles with the colorpicker Alpha channel (A). The Alpha channel is 0-255, but the length will be normalized to 0-1 range.\nThis will NOT modify random distribution of hair!");
break;
case MODE_WIND:
infoLabel->SetText("Paint the wind affection amount onto the vertices. Use the Alpha channel to control the amount.");
break;
}
});
window->AddWidget(modeComboBox);
@@ -354,6 +358,7 @@ void PaintToolWindow::Update(float dt)
break;
case MODE_VERTEXCOLOR:
case MODE_WIND:
{
ObjectComponent* object = scene.objects.GetComponent(entity);
if (object == nullptr || object->meshID == INVALID_ENTITY)
@@ -371,14 +376,30 @@ void PaintToolWindow::Update(float dt)
material = scene.materials.GetComponent(x.materialID);
if (material != nullptr)
{
material->SetUseVertexColors(true);
switch (mode)
{
case MODE_VERTEXCOLOR:
material->SetUseVertexColors(true);
break;
case MODE_WIND:
material->SetUseWind(true);
break;
}
}
}
material = nullptr;
}
else
{
material->SetUseVertexColors(true);
switch (mode)
{
case MODE_VERTEXCOLOR:
material->SetUseVertexColors(true);
break;
case MODE_WIND:
material->SetUseWind(true);
break;
}
}
const ArmatureComponent* armature = mesh->IsSkinned() ? scene.armatures.GetComponent(mesh->armatureID) : nullptr;
@@ -390,11 +411,25 @@ void PaintToolWindow::Update(float dt)
const XMMATRIX W = XMLoadFloat4x4(&transform->world);
bool rebuild = false;
if (mesh->vertex_colors.empty())
switch (mode)
{
mesh->vertex_colors.resize(mesh->vertex_positions.size());
std::fill(mesh->vertex_colors.begin(), mesh->vertex_colors.end(), 0xFFFFFFFF); // fill white
rebuild = true;
case MODE_VERTEXCOLOR:
if (mesh->vertex_colors.empty())
{
mesh->vertex_colors.resize(mesh->vertex_positions.size());
std::fill(mesh->vertex_colors.begin(), mesh->vertex_colors.end(), wiColor::White().rgba); // fill white
rebuild = true;
}
break;
case MODE_WIND:
if (mesh->vertex_windweights.empty())
{
mesh->vertex_windweights.resize(mesh->vertex_positions.size());
std::fill(mesh->vertex_windweights.begin(), mesh->vertex_windweights.end(), 0xFF); // fill max affection
rebuild = true;
}
break;
}
if (painting)
@@ -429,11 +464,26 @@ void PaintToolWindow::Update(float dt)
if (z >= 0 && z <= 1 && dist <= radius)
{
RecordHistory(true);
wiColor vcol = mesh->vertex_colors[j];
const float affection = amount * std::powf(1 - (dist / radius), falloff);
vcol = wiColor::lerp(vcol, color, affection);
mesh->vertex_colors[j] = vcol.rgba;
rebuild = true;
const float affection = amount * std::powf(1 - (dist / radius), falloff);
switch (mode)
{
case MODE_VERTEXCOLOR:
{
wiColor vcol = mesh->vertex_colors[j];
vcol = wiColor::lerp(vcol, color, affection);
mesh->vertex_colors[j] = vcol.rgba;
}
break;
case MODE_WIND:
{
wiColor vcol = wiColor(0, 0, 0, mesh->vertex_windweights[j]);
vcol = wiColor::lerp(vcol, color, affection);
mesh->vertex_windweights[j] = vcol.getA();
}
break;
}
}
}
}
@@ -460,9 +510,18 @@ void PaintToolWindow::Update(float dt)
XMStoreFloat3(&tri.positionA, P[0]);
XMStoreFloat3(&tri.positionB, P[1]);
XMStoreFloat3(&tri.positionC, P[2]);
tri.colorA.w = 0.8f;
tri.colorB.w = 0.8f;
tri.colorC.w = 0.8f;
if (mode == MODE_WIND)
{
tri.colorA = wiColor(mesh->vertex_windweights[triangle[0]], 0, 0, 255);
tri.colorB = wiColor(mesh->vertex_windweights[triangle[1]], 0, 0, 255);
tri.colorC = wiColor(mesh->vertex_windweights[triangle[2]], 0, 0, 255);
}
else
{
tri.colorA.w = 0.8f;
tri.colorB.w = 0.8f;
tri.colorC.w = 0.8f;
}
wiRenderer::DrawTriangle(tri, true);
}
}
@@ -952,6 +1011,19 @@ void PaintToolWindow::RecordHistory(bool start, CommandList cmd)
archive << mesh->vertex_colors;
}
break;
case PaintToolWindow::MODE_WIND:
{
ObjectComponent* object = scene.objects.GetComponent(entity);
if (object == nullptr || object->meshID == INVALID_ENTITY)
break;
MeshComponent* mesh = scene.meshes.GetComponent(object->meshID);
if (mesh == nullptr)
break;
archive << mesh->vertex_windweights;
}
break;
case PaintToolWindow::MODE_SCULPTING_ADD:
case PaintToolWindow::MODE_SCULPTING_SUBTRACT:
{
@@ -1073,6 +1145,33 @@ void PaintToolWindow::ConsumeHistoryOperation(wiArchive& archive, bool undo)
mesh->CreateRenderData();
}
break;
case PaintToolWindow::MODE_WIND:
{
ObjectComponent* object = scene.objects.GetComponent(entity);
if (object == nullptr || object->meshID == INVALID_ENTITY)
break;
MeshComponent* mesh = scene.meshes.GetComponent(object->meshID);
if (mesh == nullptr)
break;
MeshComponent undo_mesh;
archive >> undo_mesh.vertex_windweights;
MeshComponent redo_mesh;
archive >> redo_mesh.vertex_windweights;
if (undo)
{
mesh->vertex_windweights = undo_mesh.vertex_windweights;
}
else
{
mesh->vertex_windweights = redo_mesh.vertex_windweights;
}
mesh->CreateRenderData();
}
break;
case PaintToolWindow::MODE_SCULPTING_ADD:
case PaintToolWindow::MODE_SCULPTING_SUBTRACT:
{