void kit::PixelBuffer::clear(std::vector<glm::vec4> colours, float depth)
{
kit::GL::depthMask(GL_TRUE);
this->bind();
if(this->m_depthAttachment == nullptr)
{
KIT_THROW("Cant clear depth attachment as it does not exist, use the other clear method");
}
if(colours.size() != this->m_colorAttachments.size())
{
KIT_THROW("Wrong number of colors passed, one color per attachment is required.");
}
for(int32_t i = 0; i < this->m_colorAttachments.size(); i++)
{
float currColor[4] = {colours[i].x, colours[i].y, colours[i].z, colours[i].w};
KIT_GL(glClearBufferfv(GL_COLOR, i, &currColor[0]));
}
KIT_GL(glClearBufferfv(GL_DEPTH, 0, &depth));
}
kit::Texture::Ptr kit::PixelBuffer::getColorAttachment(uint32_t index)
{
if(index >= this->m_colorAttachments.size())
{
KIT_THROW("Index out of range");
}
return this->m_colorAttachments[index];
}
kit::Window* kit::Window::kitWFromGLFW(GLFWwindow* ptr)
{
for(auto currWindow : kit::Window::m_windows)
{
if(currWindow->getGLFWHandle() == ptr){
return currWindow;
}
}
KIT_THROW("No such window registered.");
return nullptr; // Compiler will nag if we dont return
}
void kit::PixelBuffer::clearDepth(float d)
{
kit::GL::depthMask(GL_TRUE);
this->bind();
if(this->m_depthAttachment == nullptr)
{
KIT_THROW("Cant clear depth attachment as it does not exist, use the other clear method");
}
KIT_GL(glClearBufferfv(GL_DEPTH, 0, &d));
}
void kit::PixelBuffer::clearAttachment(uint32_t attachment, glm::ivec4 clearcolor)
{
this->bind();
if (attachment >= this->m_colorAttachments.size())
{
KIT_THROW("Cant clear attachment, index out of range.");
}
GLint color[4] = { clearcolor.x, clearcolor.y, clearcolor.z, clearcolor.w };
KIT_GL(glClearBufferiv(GL_COLOR, attachment, &color[0]));
}
kit::PixelBuffer::Ptr kit::PixelBuffer::create(glm::uvec2 resolution, kit::PixelBuffer::AttachmentList colorattachments)
{
kit::PixelBuffer::Ptr returner = std::make_shared<kit::PixelBuffer>();
returner->m_resolution = resolution;
if(colorattachments.size() == 0)
{
KIT_GL(glNamedFramebufferDrawBuffer(returner->m_glHandle, GL_NONE));
}
else
{
// Keep track of attachments and create a drawbuffers
std::vector<GLenum> drawBuffers(colorattachments.size());
uint32_t currAttachment = 0;
// Add/create color attachments
for(auto & info : colorattachments)
{
// Fill the drawbuffer
GLenum currEnum = GL_COLOR_ATTACHMENT0+ currAttachment;
drawBuffers[currAttachment] = currEnum;
currAttachment++;
// Add texture if exists, otherwise create it
if(info.texture != nullptr)
{
// Assert resolution
if(info.texture->getResolution().x != resolution.x || info.texture->getResolution().y != resolution.y)
{
KIT_THROW("Pixelbuffer attachments must be of the same size");
}
returner->m_colorAttachments.push_back(info.texture);
KIT_GL(glNamedFramebufferTexture(returner->m_glHandle, currEnum, info.texture->getHandle(), 0));
}
else
{
kit::Texture::Ptr adder = kit::Texture::create2D(resolution, info.format, info.edgeSamplingMode, info.minFilteringMode, info.magFilteringMode);
returner->m_colorAttachments.push_back(adder);
KIT_GL(glNamedFramebufferTexture(returner->m_glHandle, currEnum, adder->getHandle(), 0));
}
}
// Set drawbuffers
KIT_GL(glNamedFramebufferDrawBuffers(returner->m_glHandle, (GLsizei)drawBuffers.size(), &drawBuffers[0]));
}
return returner;
}
void kit::PixelBuffer::blitFrom(kit::PixelBuffer::Ptr source, bool colorMask, std::vector<std::array<bool, 4>> componentMask, bool depthMask, bool stencilMask)
{
bool clearColorMask = false;
GLbitfield mask = 0;
if (colorMask)
{
mask |= GL_COLOR_BUFFER_BIT;
if (this->m_colorAttachments.size() != source->getNumColorAttachments())
{
KIT_THROW("source: color attachment count mismatch");
return;
}
}
if (depthMask)
{
mask |= GL_DEPTH_BUFFER_BIT;
}
if (stencilMask)
{
mask |= GL_STENCIL_BUFFER_BIT;
}
if (componentMask.size() != 0 && colorMask)
{
if (componentMask.size() != this->m_colorAttachments.size())
{
KIT_ERR("componentMask: color attachment count mismatch");
return;
}
for (int i = 0; i < this->m_colorAttachments.size(); i++)
{
KIT_GL(glColorMaski(i, componentMask[i][0], componentMask[i][1], componentMask[i][2], componentMask[i][3]));
}
clearColorMask = true;
}
KIT_GL(glBlitNamedFramebuffer(source->getHandle(), this->getHandle(), 0, 0, source->getResolution().x, source->getResolution().y, 0, 0, this->getResolution().x, this->getResolution().y, mask, GL_LINEAR));
if (clearColorMask)
{
for (int i = 0; i < this->m_colorAttachments.size(); i++)
{
KIT_GL(glColorMaski(i, true, true, true, true));
}
}
}
void kit::PixelBuffer::clear(std::vector< glm::vec4 > colours)
{
this->bind();
if(colours.size() != this->m_colorAttachments.size())
{
KIT_THROW("Wrong number of colors passed, one color per attachment is required.");
}
for(int32_t i = 0; i < this->m_colorAttachments.size(); i++)
{
float currColor[4] = {colours[i].x, colours[i].y, colours[i].z, colours[i].w};
KIT_GL(glClearBufferfv(GL_COLOR, i, &currColor[i]));
}
}
std::string kit::getDataDirectory(kit::DataSource source)
{
switch (source)
{
case kit::DataSource::Data:
return KIT_DATA;
break;
case kit::DataSource::Static:
return KIT_STATIC_DATA;
break;
case kit::DataSource::Editor:
return KIT_EDITOR_DATA;
break;
}
KIT_THROW("Invalid datasource");
}
void kit::Cubemap::setEdgeSamplingMode(kit::Cubemap::EdgeSamplingMode mode)
{
this->m_edgeSamplingMode = mode;
this->bind();
switch(this->m_edgeSamplingMode)
{
case Repeat:
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_REPEAT);
break;
case RepeatMirrored:
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_MIRRORED_REPEAT);
break;
case Clamp:
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
break;
#ifdef __unix__
case ClampMirrored:
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_MIRROR_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_MIRROR_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_MIRROR_CLAMP_TO_EDGE);
break;
#elif _WIN32
case ClampMirrored:
KIT_THROW("ClampMirrored not supported on windows platforms.");
break;
#endif
}
kit::Cubemap::unbind();
}
kit::Texture::EdgeSamplingMode kit::Texture::getEdgeSamplingMode(EdgeSamplingAxis axis)
{
switch(axis)
{
case kit::Texture::All:
KIT_THROW("Cant get edge sampling mode from all axes, do each one individually");
break;
case kit::Texture::S:
return this->m_edgeSamplingModeS;
break;
case kit::Texture::T:
return this->m_edgeSamplingModeT;
break;
case kit::Texture::R:
return this->m_edgeSamplingModeR;
break;
}
KIT_ERR("Warning: Invalid parameter passed as axis");
return kit::Texture::ClampToEdge;
}
kit::Window::Window(kit::Window::Args const & windowArgs)
{
kit::Window::m_instanceCount++;
this->m_glfwHandle = nullptr;
this->m_isFocused = true;
this->m_isMinimized = false;
this->m_virtualMouse = false;
// Get the GLFW handle from the window to share resources with
GLFWwindow * glfwSharedWindow = nullptr;
if(windowArgs.sharedWindow != nullptr)
{
glfwSharedWindow = windowArgs.sharedWindow->getGLFWHandle();
}
// Get the GLFW handle for the fullscreen monitor to use
GLFWmonitor* glfwFullscreenMonitor = windowArgs.fullscreenMonitor->getGLFWHandle();
// Set OpenGL context hints.
kit::Window::prepareGLFWHints(GLFW_CONTEXT_VERSION_MAJOR, 4);
kit::Window::prepareGLFWHints(GLFW_CONTEXT_VERSION_MINOR, 3);
kit::Window::prepareGLFWHints(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
// Set window-specific hints and create window according to our window-arguments
switch(windowArgs.mode)
{
case kit::Window::Mode::Windowed:
if(!windowArgs.resizable)
{
kit::Window::prepareGLFWHints(GLFW_RESIZABLE, GL_FALSE);
}
this->m_glfwHandle = glfwCreateWindow(windowArgs.resolution.x, windowArgs.resolution.y, windowArgs.title.c_str(), nullptr, glfwSharedWindow);
break;
case kit::Window::Mode::Fullscreen:
this->m_glfwHandle = glfwCreateWindow(windowArgs.resolution.x, windowArgs.resolution.y, windowArgs.title.c_str(), glfwFullscreenMonitor, glfwSharedWindow);
break;
case kit::Window::Mode::Borderless:
kit::Window::prepareGLFWHints(GLFW_DECORATED, GL_FALSE);
kit::Window::prepareGLFWHints(GLFW_RESIZABLE, GL_FALSE);
this->m_glfwHandle = glfwCreateWindow(windowArgs.resolution.x, windowArgs.resolution.y, windowArgs.title.c_str(), nullptr, glfwSharedWindow);
break;
default:
KIT_THROW("Invalid window mode");
break;
}
// Reset the GLFW hints after creation
kit::Window::restoreGLFWHints();
// Assert that we have a GLFW window
if(!this->m_glfwHandle)
{
KIT_THROW("Failed to create GLFW window");
}
// Register the window to the static list of windows, to keep track of events/callbacks
kit::Window::m_windows.push_back(this);
// Register GLFW callbacks for this window
glfwSetWindowPosCallback(this->m_glfwHandle, kit::Window::__winfunc_position);
glfwSetWindowSizeCallback(this->m_glfwHandle, kit::Window::__winfunc_size);
glfwSetWindowCloseCallback(this->m_glfwHandle, kit::Window::__winfunc_close);
glfwSetWindowFocusCallback(this->m_glfwHandle, kit::Window::__winfunc_focus);
glfwSetWindowIconifyCallback(this->m_glfwHandle, kit::Window::__winfunc_minimize);
glfwSetFramebufferSizeCallback(this->m_glfwHandle, kit::Window::__winfunc_framebuffersize);
glfwSetMouseButtonCallback(this->m_glfwHandle, kit::Window::__infunc_mousebutton);
glfwSetCursorPosCallback(this->m_glfwHandle, kit::Window::__infunc_cursorpos);
glfwSetCursorEnterCallback(this->m_glfwHandle, kit::Window::__infunc_cursorenter);
glfwSetScrollCallback(this->m_glfwHandle, kit::Window::__infunc_scroll);
glfwSetKeyCallback(this->m_glfwHandle, kit::Window::__infunc_key);
glfwSetCharCallback(this->m_glfwHandle, kit::Window::__infunc_char);
// Activate the current windows context
this->activateContext();
// Enable V-sync
glfwSwapInterval(1);
// Make sure GL3W is initialized, and set the viewport
kit::initializeGL3W();
KIT_GL(glViewport(0, 0, this->getFramebufferSize().x , this->getFramebufferSize().y));
}
kit::Texture::Texture(const std::string & filename, kit::Texture::InternalFormat format, uint8_t levels, Type t) : kit::Texture(t)
{
std::cout << "Loading texture from file \"" << filename.c_str() << "\"" << std::endl;
m_filename = filename;
if(t == Type::Texture2D)
{
m_internalFormat = format;
// Try to load data from file
unsigned char* bufferdata;
int x, y, n;
stbi_set_flip_vertically_on_load(1);
bufferdata = stbi_load(filename.c_str(), &x, &y, &n, 4);
if (bufferdata == nullptr)
{
KIT_THROW(stbi_failure_reason());
}
// Set resolution
m_resolution = glm::uvec3(x, y, 0);
uint8_t mipLevels = levels > 0 ? levels : calculateMipLevels();
// Specify storage and upload data to GPU
#ifndef KIT_SHITTY_INTEL
glTextureStorage2D(m_glHandle, mipLevels, m_internalFormat, m_resolution.x, m_resolution.y);
glTextureSubImage2D(m_glHandle, 0, 0, 0, x, y, GL_RGBA, GL_UNSIGNED_BYTE, bufferdata);
#else
bind();
glTexStorage2D(m_type, mipLevels, m_internalFormat, m_resolution.x, m_resolution.y);
glTexSubImage2D(m_type, 0, 0, 0, x, y, GL_RGBA, GL_UNSIGNED_BYTE, bufferdata);
#endif
// Free loaded data
stbi_image_free(bufferdata);
// Set parameters
setEdgeSamplingMode(EdgeSamplingMode::Repeat);
setMinFilteringMode(m_minFilteringMode);
setMagFilteringMode(m_magFilteringMode);
setAnisotropicLevel(1.0f);
}
if(t == Type::Texture3D)
{
m_internalFormat = format;
// Try to load data from file
unsigned char* bufferdata;
int x, y, n;
stbi_set_flip_vertically_on_load(0);
bufferdata = stbi_load(filename.c_str(), &x, &y, &n, 4);
if (bufferdata == nullptr) {
KIT_THROW(stbi_failure_reason());
}
if (y != x*x || y%y != 0)
{
KIT_THROW("Failed to load 3d texture from file, not perfectly cubical");
}
// Set resolution
m_resolution = glm::uvec3(x, x, x);
// Specify storage and upload data to GPU
#ifndef KIT_SHITTY_INTEL
glTextureStorage3D(m_glHandle, 1, m_internalFormat, x, x, x);
glTextureSubImage3D(m_glHandle, 0, 0, 0, 0, x, x, x, GL_RGBA, GL_UNSIGNED_BYTE, bufferdata);
#else
returner->bind();
glTexStorage3D(returner->m_type, 1, m_internalFormat, x, x, x);
glTexSubImage3D(returner->m_type, 0, 0, 0, 0, x, x, x, GL_RGBA, GL_UNSIGNED_BYTE, bufferdata);
#endif
// Free loaded data
stbi_image_free(bufferdata);
setEdgeSamplingMode(EdgeSamplingMode::Repeat);
setMinFilteringMode(m_minFilteringMode);
setMagFilteringMode(m_magFilteringMode);
setAnisotropicLevel(1.0f);
}
}
kit::BakedTerrain::BakedTerrain(std::string const & name)
{
glGenVertexArrays(1, &m_glVertexArray);
glGenBuffers(1, &m_glVertexIndices);
glGenBuffers(1, &m_glVertexBuffer);
uint32_t vertexDataLen = 0;
float * vertexData = nullptr;
uint32_t * indexData = nullptr;
std::string dataDirectory = "./data/terrains/" + name + "/baked/";
// Load data
{
std::cout << "Loading vertex data from disk" << std::endl;
std::ifstream f(dataDirectory + "vertexdata", std::ios_base::in | std::ios_base::binary);
if(!f)
{
KIT_THROW("Failed to load terrain \"" + name + "\": could not load vertexdata.");
}
// Read index-data length (in ints)
m_indexCount = kit::readUint32(f);
// Read index data
indexData = new uint32_t[m_indexCount];
for (uint32_t i = 0; i < m_indexCount; i++)
{
indexData[i] = kit::readUint32(f);
}
// Read vertex-data length (in floats)
vertexDataLen = kit::readUint32(f);
// Read vertex data
vertexData = new float[vertexDataLen];
for (uint32_t i = 0; i < vertexDataLen; i++)
{
vertexData[i] = kit::readFloat(f);
}
f.close();
}
// Upload data
{
std::cout << "Uploading data to GPU" << std::endl;
glBindVertexArray(m_glVertexArray);
// Upload indices
std::cout << "Uploading indices (" << (m_indexCount * sizeof(uint32_t)) << " bytes)" << std::endl;
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_glVertexIndices);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_indexCount * sizeof(uint32_t), &indexData[0], GL_STATIC_DRAW);
// Upload vertices
std::cout << "Uploading vertices (" << (vertexDataLen * sizeof(float)) << " bytes)" << std::endl;
glBindBuffer(GL_ARRAY_BUFFER, m_glVertexBuffer);
glBufferData(GL_ARRAY_BUFFER, vertexDataLen * sizeof(float) , &vertexData[0], GL_STATIC_DRAW);
}
// Cleanup data
{
std::cout << "Cleaning up CPU copy" << std::endl;
delete[] indexData;
delete[] vertexData;
}
// Configure attributes
{
std::cout << "Setting up GPU attributes" << std::endl;
static const uint32_t attributeSize = sizeof(float) * 14;
// Positions
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, attributeSize, (void*)0);
// Texture coordinates
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, attributeSize, (void*) (sizeof(float) * 3) );
// Normals
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, attributeSize, (void*) (sizeof(float) * 5) );
// Tangents
glEnableVertexAttribArray(3);
glVertexAttribPointer(3, 3, GL_FLOAT, GL_FALSE, attributeSize, (void*) (sizeof(float) * 8) );
glEnableVertexAttribArray(4);
glVertexAttribPointer(4, 3, GL_FLOAT, GL_FALSE, attributeSize, (void*) (sizeof(float) * 11) );
}
// Load maps
{
std::cout << "Loading maps" << std::endl;
m_arCache = new kit::Texture(dataDirectory + "arcache.tga");
m_arCache->setEdgeSamplingMode(Texture::Repeat);
m_arCache->setMinFilteringMode(Texture::LinearMipmapLinear);
m_arCache->setMagFilteringMode(Texture::Linear);
m_arCache->setAnisotropicLevel(8.0f);
m_arCache->generateMipmap();
m_nxCache = new kit::Texture(dataDirectory + "nxcache.tga");
m_nxCache->setEdgeSamplingMode(Texture::Repeat);
m_nxCache->setMinFilteringMode(Texture::LinearMipmapLinear);
m_nxCache->setMagFilteringMode(Texture::Linear);
m_nxCache->setAnisotropicLevel(8.0f);
m_nxCache->generateMipmap();
try
{
m_materialMask[0] = new kit::Texture(dataDirectory + "materialmask0.tga");
m_materialMask[0]->setEdgeSamplingMode(Texture::ClampToEdge);
m_materialMask[0]->setMinFilteringMode(Texture::LinearMipmapLinear);
m_materialMask[0]->setMagFilteringMode(Texture::Linear);
m_materialMask[0]->setAnisotropicLevel(8.0f);
m_materialMask[0]->generateMipmap();
m_materialMask[1] = new kit::Texture(dataDirectory + "materialmask1.tga");
m_materialMask[1]->setEdgeSamplingMode(Texture::ClampToEdge);
m_materialMask[1]->setMinFilteringMode(Texture::LinearMipmapLinear);
m_materialMask[1]->setMagFilteringMode(Texture::Linear);
m_materialMask[1]->setAnisotropicLevel(8.0f);
m_materialMask[1]->generateMipmap();
}
catch (...)
{
}
}
// Load header
{
std::cout << "Loading header" << std::endl;
std::string currLine;
std::ifstream f(dataDirectory + "header", std::ios_base::in);
if(!f)
{
KIT_THROW("Failed to load terrain \"" + name + "\": could not load header.");
}
while(std::getline(f, currLine))
{
if(kit::trim(currLine) == "")
{
continue;
}
auto args = kit::splitString(currLine);
if(args[0] == "xzscale" && args.size() == 2)
{
m_xzScale = (float)std::atof(args[1].c_str());
}
if (args[0] == "yscale" && args.size() == 2)
{
m_yScale = (float)std::atof(args[1].c_str());
}
if(args[0] == "numlayers" && args.size() == 2)
{
m_numLayers = std::atoi(args[1].c_str());
if(m_numLayers > 8)
{
KIT_THROW("Too many layers in terrain");
}
}
if(args[0] == "size" && args.size() == 3)
{
m_size.x = std::atoi(args[1].c_str());
m_size.y = std::atoi(args[2].c_str());
}
if(args[0] == "layer" && args.size() == 3)
{
int currLayer = std::atoi(args[1].c_str());
if(currLayer >= 0 && currLayer <= 7 && currLayer < m_numLayers)
{
m_layerInfo[currLayer].uvScale = (float)std::atof(args[2].c_str());
m_layerInfo[currLayer].used = true;
std::stringstream currAr;
currAr << dataDirectory << "arlayer" << currLayer << ".tga";
m_layerInfo[currLayer].arCache = new kit::Texture(currAr.str());
m_layerInfo[currLayer].arCache->setEdgeSamplingMode(Texture::Repeat);
m_layerInfo[currLayer].arCache->setMinFilteringMode(Texture::LinearMipmapLinear);
m_layerInfo[currLayer].arCache->setMagFilteringMode(Texture::Linear);
m_layerInfo[currLayer].arCache->setAnisotropicLevel(8.0f);
m_layerInfo[currLayer].arCache->generateMipmap();
std::stringstream currNm;
currNm << dataDirectory << "ndlayer" << currLayer << ".tga";
m_layerInfo[currLayer].ndCache = new kit::Texture(currNm.str());
m_layerInfo[currLayer].ndCache->setEdgeSamplingMode(Texture::Repeat);
m_layerInfo[currLayer].ndCache->setMinFilteringMode(Texture::LinearMipmapLinear);
m_layerInfo[currLayer].ndCache->setMagFilteringMode(Texture::Linear);
m_layerInfo[currLayer].ndCache->setAnisotropicLevel(8.0f);
m_layerInfo[currLayer].ndCache->generateMipmap();
}
else
{
KIT_THROW("Invalid layer id");
}
}
}
f.close();
}
// Load height data
{
std::ifstream f(dataDirectory + "heightdata", std::ios_base::in | std::ios_base::binary);
if (!f)
{
KIT_THROW("Failed to load terrain \"" + name + "\": could not load heightdata.");
}
// Reserve and load height data
m_heightData.reserve(m_size.x * m_size.y);
for (unsigned int i = 0; i < m_size.y * m_size.x; i++)
{
kit::BakedTerrain::Vertex adder;
adder.m_height = kit::readFloat(f);
adder.m_normal = kit::readVec3(f);
m_heightData.push_back(adder);
}
}
m_valid = true;
std::cout << "Generating GPU program and verifying cache" << std::endl;
updateGpuProgram();
}
kit::Skeleton::Ptr kit::Skeleton::load(std::string filename)
{
kit::Skeleton::Ptr returner = std::make_shared<kit::Skeleton>();
std::ifstream s(std::string(std::string("./data/skeletons/") + filename).c_str(), std::ios::in | std::ios::binary);
std::cout << "Loading skeleton " << filename.c_str() << std::endl;
if(!s)
{
KIT_THROW("Couldn't open file for reading");
}
if (memcpy(&kit::readBytes(s, 4)[0], "KSKE", 4) != 0)
{
KIT_THROW("Bad signature");
}
uint32_t numBones = kit::readUint32(s);
returner->m_boneIndexId = std::vector<Bone::Ptr>(numBones);
returner->m_inverseBindPose = std::vector<glm::mat4>(numBones);
returner->m_skin = std::vector<glm::mat4>(numBones);
uint32_t numAnimations = kit::readUint32(s);
returner->m_globalInverseTransform = kit::readMat4(s);
// ... Bones
for(uint32_t i = 0; i < numBones; i++)
{
kit::Skeleton::Bone::Ptr newBone = std::make_shared<Bone>();
newBone->m_id = kit::readUint32(s);
newBone->m_parentId = kit::readUint32(s);
newBone->m_name = kit::readString(s);
newBone->m_localTransform = kit::readMat4(s);
newBone->m_globalTransform = glm::mat4(1.0);
returner->m_inverseBindPose[newBone->m_id] = kit::readMat4(s);
returner->m_boneIndexId[newBone->m_id] = newBone;
returner->m_boneIndexName[newBone->m_name] = newBone;
}
// Fill in parents, rootbones and children
for (auto & currBone : returner->m_boneIndexId)
{
if (currBone->m_parentId == 1337)
{
returner->m_rootBones.push_back(currBone);
}
else
{
currBone->m_parent = returner->getBone(currBone->m_parentId);
}
for (auto & currBoneB : returner->m_boneIndexId)
{
if (currBoneB->m_parentId == currBone->m_id)
{
currBone->m_children.push_back(currBoneB);
}
}
}
// .. Animations
for(uint32_t i = 0; i < numAnimations; i++)
{
kit::Skeleton::Animation::Ptr newAnimation = std::make_shared<Animation>();
newAnimation->m_name = kit::readString(s);
uint32_t numChannels = kit::readUint32(s);
newAnimation->m_framesPerSecond = kit::readFloat(s);
newAnimation->m_frameDuration = kit::readFloat(s);
// Channels
for(uint32_t ic = 0; ic < numChannels; ic++)
{
kit::Skeleton::AnimationChannel newChannel;
uint32_t boneId = readUint32(s);
uint32_t numtk = kit::readUint32(s);
uint32_t numrk = kit::readUint32(s);
uint32_t numsk = kit::readUint32(s);
for(uint32_t ctk = 0; ctk < numtk; ctk++)
{
float time = kit::readFloat(s);
newChannel.m_translationKeys[time] = kit::readVec3(s);
}
for(uint32_t crk = 0; crk < numrk; crk++)
{
float time = kit::readFloat(s);
newChannel.m_rotationKeys[time] = kit::readQuat(s);
}
for(uint32_t csk = 0; csk < numsk; csk++)
{
float time = kit::readFloat(s);
newChannel.m_scaleKeys[time] = kit::readVec3(s);
}
newAnimation->m_channels[boneId] = newChannel;
}
returner->m_animations[newAnimation->m_name] = newAnimation;
}
s.close();
return returner;
}