MT_Transform KX_Camera::GetWorldToCamera() const
{
MT_Transform camtrans;
camtrans.invert(MT_Transform(NodeGetWorldPosition(), NodeGetWorldOrientation()));
return camtrans;
}
void KX_LightObject::BindShadowBuffer(RAS_IRasterizer *ras, KX_Camera *cam, MT_Transform& camtrans)
{
GPULamp *lamp;
float viewmat[4][4], winmat[4][4];
int winsize;
/* bind framebuffer */
lamp = GetGPULamp();
GPU_lamp_shadow_buffer_bind(lamp, viewmat, &winsize, winmat);
/* setup camera transformation */
MT_Matrix4x4 modelviewmat((float*)viewmat);
MT_Matrix4x4 projectionmat((float*)winmat);
MT_Transform trans = MT_Transform((float*)viewmat);
camtrans.invert(trans);
cam->SetModelviewMatrix(modelviewmat);
cam->SetProjectionMatrix(projectionmat);
cam->NodeSetLocalPosition(camtrans.getOrigin());
cam->NodeSetLocalOrientation(camtrans.getBasis());
cam->NodeUpdateGS(0);
/* setup rasterizer transformations */
/* SetViewMatrix may use stereomode which we temporarily disable here */
RAS_IRasterizer::StereoMode stereomode = ras->GetStereoMode();
ras->SetStereoMode(RAS_IRasterizer::RAS_STEREO_NOSTEREO);
ras->SetProjectionMatrix(projectionmat);
ras->SetViewMatrix(modelviewmat, cam->NodeGetWorldOrientation(), cam->NodeGetWorldPosition(), cam->GetCameraData()->m_perspective);
ras->SetStereoMode(stereomode);
}
void RAS_MaterialBucket::RenderMeshSlot(const MT_Transform& cameratrans, RAS_IRasterizer* rasty,
RAS_IRenderTools* rendertools, RAS_MeshSlot &ms)
{
m_material->ActivateMeshSlot(ms, rasty);
if (ms.m_pDeformer)
{
ms.m_pDeformer->Apply(m_material);
// KX_ReInstanceShapeFromMesh(ms.m_mesh); // Recompute the physics mesh. (Can't call KX_* from RAS_)
}
if (IsZSort() && rasty->GetDrawingMode() >= RAS_IRasterizer::KX_SOLID)
ms.m_mesh->SortPolygons(ms, cameratrans*MT_Transform(ms.m_OpenGLMatrix));
rendertools->PushMatrix();
if (!ms.m_pDeformer || !ms.m_pDeformer->SkipVertexTransform())
{
rendertools->applyTransform(rasty,ms.m_OpenGLMatrix,m_material->GetDrawingMode());
}
if (rasty->QueryLists())
if (ms.m_DisplayList)
ms.m_DisplayList->SetModified(ms.m_mesh->MeshModified());
// verify if we can use display list, not for deformed object, and
// also don't create a new display list when drawing shadow buffers,
// then it won't have texture coordinates for actual drawing. also
// for zsort we can't make a display list, since the polygon order
// changes all the time.
if (ms.m_pDeformer && ms.m_pDeformer->IsDynamic())
ms.m_bDisplayList = false;
else if (!ms.m_DisplayList && rasty->GetDrawingMode() == RAS_IRasterizer::KX_SHADOW)
ms.m_bDisplayList = false;
else if (IsZSort())
ms.m_bDisplayList = false;
else if (m_material->UsesObjectColor() && ms.m_bObjectColor)
ms.m_bDisplayList = false;
else
ms.m_bDisplayList = true;
// for text drawing using faces
if (m_material->GetDrawingMode() & RAS_IRasterizer::RAS_RENDER_3DPOLYGON_TEXT)
rasty->IndexPrimitives_3DText(ms, m_material, rendertools);
// for multitexturing
else if ((m_material->GetFlag() & (RAS_MULTITEX|RAS_BLENDERGLSL)))
rasty->IndexPrimitivesMulti(ms);
// use normal IndexPrimitives
else
rasty->IndexPrimitives(ms);
if (rasty->QueryLists())
if (ms.m_DisplayList)
ms.m_mesh->SetMeshModified(false);
rendertools->PopMatrix();
}
void KX_KetsjiEngine::PostProcessScene(KX_Scene* scene)
{
bool override_camera = (m_overrideCam && (scene->GetName() == m_overrideSceneName));
SG_SetActiveStage(SG_STAGE_SCENE);
// if there is no activecamera, or the camera is being
// overridden we need to construct a temporarily camera
if (!scene->GetActiveCamera() || override_camera)
{
KX_Camera* activecam = NULL;
RAS_CameraData camdata = RAS_CameraData();
if (override_camera)
{
camdata.m_lens = m_overrideCamLens;
camdata.m_clipstart = m_overrideCamNear;
camdata.m_clipend = m_overrideCamFar;
camdata.m_perspective= !m_overrideCamUseOrtho;
}
activecam = new KX_Camera(scene,KX_Scene::m_callbacks,camdata);
activecam->SetName("__default__cam__");
// set transformation
if (override_camera) {
const MT_CmMatrix4x4& cammatdata = m_overrideCamViewMat;
MT_Transform trans = MT_Transform(cammatdata.getPointer());
MT_Transform camtrans;
camtrans.invert(trans);
activecam->NodeSetLocalPosition(camtrans.getOrigin());
activecam->NodeSetLocalOrientation(camtrans.getBasis());
activecam->NodeUpdateGS(0);
} else {
activecam->NodeSetLocalPosition(MT_Point3(0.0, 0.0, 0.0));
activecam->NodeSetLocalOrientation(MT_Vector3(0.0, 0.0, 0.0));
activecam->NodeUpdateGS(0);
}
scene->AddCamera(activecam);
scene->SetActiveCamera(activecam);
scene->GetObjectList()->Add(activecam->AddRef());
scene->GetRootParentList()->Add(activecam->AddRef());
//done with activecam
activecam->Release();
}
scene->UpdateParents(0.0);
}
void RAS_OpenGLLight::BindShadowBuffer(RAS_ICanvas *canvas, KX_Camera *cam, MT_Transform& camtrans)
{
GPULamp *lamp;
float viewmat[4][4], winmat[4][4];
int winsize;
/* bind framebuffer */
lamp = GetGPULamp();
GPU_lamp_shadow_buffer_bind(lamp, viewmat, &winsize, winmat);
if (GPU_lamp_shadow_buffer_type(lamp) == LA_SHADMAP_VARIANCE) {
m_rasterizer->SetShadowMode(RAS_IRasterizer::RAS_SHADOW_VARIANCE);
}
else {
m_rasterizer->SetShadowMode(RAS_IRasterizer::RAS_SHADOW_SIMPLE);
}
/* GPU_lamp_shadow_buffer_bind() changes the viewport, so update the canvas */
canvas->UpdateViewPort(0, 0, winsize, winsize);
/* setup camera transformation */
MT_Matrix4x4 modelviewmat((float *)viewmat);
MT_Matrix4x4 projectionmat((float *)winmat);
MT_Transform trans = MT_Transform((float *)viewmat);
camtrans.invert(trans);
cam->SetModelviewMatrix(modelviewmat);
cam->SetProjectionMatrix(projectionmat);
cam->NodeSetLocalPosition(camtrans.getOrigin());
cam->NodeSetLocalOrientation(camtrans.getBasis());
cam->NodeUpdateGS(0);
/* setup rasterizer transformations */
/* SetViewMatrix may use stereomode which we temporarily disable here */
RAS_IRasterizer::StereoMode stereomode = m_rasterizer->GetStereoMode();
m_rasterizer->SetStereoMode(RAS_IRasterizer::RAS_STEREO_NOSTEREO);
m_rasterizer->SetProjectionMatrix(projectionmat);
m_rasterizer->SetViewMatrix(modelviewmat, cam->NodeGetWorldOrientation(), cam->NodeGetWorldPosition(), cam->NodeGetLocalScaling(), cam->GetCameraData()->m_perspective);
m_rasterizer->SetStereoMode(stereomode);
}
void RAS_MaterialBucket::RenderMeshSlot(const MT_Transform& cameratrans, RAS_IRasterizer *rasty, RAS_MeshSlot *ms)
{
RAS_MeshUser *meshUser = ms->m_meshUser;
rasty->SetClientObject(meshUser->GetClientObject());
rasty->SetFrontFace(meshUser->GetFrontFace());
// Inverse condition of in ActivateMaterial.
if (rasty->GetOverrideShader() == RAS_IRasterizer::RAS_OVERRIDE_SHADER_NONE) {
bool uselights = m_material->UsesLighting(rasty);
rasty->ProcessLighting(uselights, cameratrans);
m_material->ActivateMeshSlot(ms, rasty);
}
else {
// Set cull face without activating the material.
rasty->SetCullFace(m_material->IsCullFace());
}
if (IsZSort() && rasty->GetDrawingMode() >= RAS_IRasterizer::RAS_SOLID) {
ms->m_mesh->SortPolygons(ms, cameratrans * MT_Transform(meshUser->GetMatrix()));
ms->m_displayArrayBucket->SetPolygonsModified(rasty);
}
rasty->PushMatrix();
if ((!ms->m_pDeformer || !ms->m_pDeformer->SkipVertexTransform()) && !m_material->IsText()) {
float mat[16];
rasty->GetTransform(meshUser->GetMatrix(), m_material->GetDrawingMode(), mat);
rasty->MultMatrix(mat);
}
if (m_material->IsText()) {
rasty->IndexPrimitivesText(ms);
}
else {
rasty->IndexPrimitives(ms);
}
rasty->PopMatrix();
}
MT_Transform KX_Camera::GetCameraToWorld() const
{
return MT_Transform(NodeGetWorldPosition(), NodeGetWorldOrientation());
}
MT_Transform SG_Spatial::GetWorldTransform() const
{
return MT_Transform(m_worldPosition,
m_worldRotation.scaled(
m_worldScaling[0], m_worldScaling[1], m_worldScaling[2]));
}
bool
KX_BoneParentRelation::
UpdateChildCoordinates(
SG_Spatial * child,
const SG_Spatial * parent,
bool& parentUpdated
) {
MT_assert(child != NULL);
// This way of accessing child coordinates is a bit cumbersome
// be nice to have non constant reference access to these values.
const MT_Vector3 & child_scale = child->GetLocalScale();
const MT_Point3 & child_pos = child->GetLocalPosition();
const MT_Matrix3x3 & child_rotation = child->GetLocalOrientation();
// we don't know if the armature has been updated or not, assume yes
parentUpdated = true;
// the childs world locations which we will update.
MT_Vector3 child_w_scale;
MT_Point3 child_w_pos;
MT_Matrix3x3 child_w_rotation;
bool valid_parent_transform = false;
if (parent)
{
BL_ArmatureObject *armature = (BL_ArmatureObject*)(parent->GetSGClientObject());
if (armature)
{
MT_Matrix4x4 parent_matrix;
if (armature->GetBoneMatrix(m_bone, parent_matrix))
{
// Get the child's transform, and the bone matrix.
MT_Matrix4x4 child_transform (
MT_Transform(child_pos + MT_Vector3(0.0f, armature->GetBoneLength(m_bone), 0.0f),
child_rotation.scaled(
child_scale[0],
child_scale[1],
child_scale[2])));
// The child's world transform is parent * child
parent_matrix = parent->GetWorldTransform() * parent_matrix;
child_transform = parent_matrix * child_transform;
// Recompute the child transform components from the transform.
child_w_scale.setValue(
MT_Vector3(child_transform[0][0], child_transform[0][1], child_transform[0][2]).length(),
MT_Vector3(child_transform[1][0], child_transform[1][1], child_transform[1][2]).length(),
MT_Vector3(child_transform[2][0], child_transform[2][1], child_transform[2][2]).length());
child_w_rotation.setValue(child_transform[0][0], child_transform[0][1], child_transform[0][2],
child_transform[1][0], child_transform[1][1], child_transform[1][2],
child_transform[2][0], child_transform[2][1], child_transform[2][2]);
child_w_rotation.scale(1.0f/child_w_scale[0], 1.0f/child_w_scale[1], 1.0f/child_w_scale[2]);
child_w_pos = MT_Point3(child_transform[0][3], child_transform[1][3], child_transform[2][3]);
valid_parent_transform = true;
}
}
}
if (valid_parent_transform)
{
child->SetWorldScale(child_w_scale);
child->SetWorldPosition(child_w_pos);
child->SetWorldOrientation(child_w_rotation);
}
else {
child->SetWorldFromLocalTransform();
}
child->ClearModified();
// this node must always be updated, so reschedule it for next time
child->ActivateRecheduleUpdateCallback();
return valid_parent_transform;
}