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Changed Picking colors from vec2 to ivec2. Picking now working for multiple scenes (Solution not perfect in the editor, yet)

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This commit is contained in:
viktorljung
2016-01-14 15:26:06 +01:00
parent e7f02f14a0
commit 96371a08c8
14 changed files with 133 additions and 34 deletions
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src/Engine/Rendering/PickingPass.cpp
+38 -16
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@@ -45,17 +45,15 @@ void PickingPass::InitializeShaderPrograms()
void PickingPass::Draw(RenderScene& scene)
{
m_PickingColorsToEntity.clear();
PickingPassState* state = new PickingPassState(m_PickingBuffer.GetHandle());
int r = 0;
int g = 0;
//TODO: Render: Add code for more jobs than modeljobs.
GLuint ShaderHandle = m_PickingProgram->GetHandle();
m_PickingProgram->Bind();
std::map<EntityID, glm::vec2> entityColors;
m_Camera = scene.Camera;
@@ -63,22 +61,28 @@ void PickingPass::Draw(RenderScene& scene)
auto modelJob = std::dynamic_pointer_cast<ModelJob>(job);
if (modelJob) {
int pickColor[2] = { r, g };
auto color = entityColors.find(modelJob->Entity);
if (color != entityColors.end()) {
int pickColor[2] = { m_ColorCounter[0], m_ColorCounter[1] };
PickingInfo pickInfo;
pickInfo.Entity = modelJob->Entity;
pickInfo.World = modelJob->World;
pickInfo.Camera = scene.Camera;
auto color = m_EntityColors.find(std::make_tuple(pickInfo.Entity, pickInfo.World, pickInfo.Camera));
if (color != m_EntityColors.end()) {
pickColor[0] = color->second[0];
pickColor[1] = color->second[1];
} else {
entityColors[modelJob->Entity] = glm::vec2(pickColor[0], pickColor[1]);
if (r + 10 > 255) {
r = 0;
g += 1;
m_EntityColors[std::make_tuple(pickInfo.Entity, pickInfo.World, pickInfo.Camera)] = glm::ivec2(pickColor[0], pickColor[1]);
if (m_ColorCounter[0] > 255) {
m_ColorCounter[0] = 0;
m_ColorCounter[1]++;;
} else {
r += 1;
m_ColorCounter[0]++;;
}
}
m_PickingColorsToEntity[glm::vec2(pickColor[0], pickColor[1])] = modelJob->Entity;
m_PickingColorsToEntity[glm::ivec2(pickColor[0], pickColor[1])] = pickInfo;
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "M"), 1, GL_FALSE, glm::value_ptr(modelJob->Matrix));
glUniformMatrix4fv(glGetUniformLocation(ShaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ViewMatrix()));
@@ -101,6 +105,19 @@ void PickingPass::Draw(RenderScene& scene)
void PickingPass::ClearPicking()
{
m_PickingColorsToEntity.clear();
m_EntityColors.clear();
m_ColorCounter[0] = 0;
m_ColorCounter[1] = 0;
m_PickingBuffer.Bind();
glClearColor(0.f, 0.f, 0.f, 0.f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
m_PickingBuffer.Unbind();
}
PickData PickingPass::Pick(glm::vec2 screenCoord)
{
int fbWidth;
@@ -114,14 +131,19 @@ PickData PickingPass::Pick(glm::vec2 screenCoord)
ScreenCoords::PixelData data = ScreenCoords::ToPixelData(screenCoord, &m_PickingBuffer, m_DepthBuffer);
pickData.Depth = data.Depth;
auto it = m_PickingColorsToEntity.find(glm::vec2(data.Color[0], data.Color[1]));
PickingInfo pickInfo;
auto it = m_PickingColorsToEntity.find(glm::ivec2(data.Color[0], data.Color[1]));
if (it != m_PickingColorsToEntity.end()) {
pickData.Entity = it->second;
pickInfo = it->second;
} else {
pickData.Entity = EntityID_Invalid;
}
pickData.Position = ScreenCoords::ToWorldPos(screenCoord.x, screenCoord.y, data.Depth, resolution, m_Camera->ProjectionMatrix(), m_Camera->ViewMatrix());
pickData.Position = ScreenCoords::ToWorldPos(screenCoord.x, screenCoord.y, data.Depth, resolution, pickInfo.Camera->ProjectionMatrix(), pickInfo.Camera->ViewMatrix());
pickData.Entity = pickInfo.Entity;
pickData.Camera = pickInfo.Camera;
return pickData;
}