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#include "Rml.hpp"
#include <easylogging++.h>
#include "AssetManager.hpp"
#include "Utility.hpp"
double RmlSystemInterface::GetElapsedTime() {
return totalTime;
}
bool RmlSystemInterface::LogMessage(Rml::Log::Type type, const Rml::String& message) {
switch (type) {
case Rml::Log::Type::LT_ALWAYS:
LOG(ERROR) << message;
break;
case Rml::Log::Type::LT_ERROR:
LOG(ERROR) << message;
break;
case Rml::Log::Type::LT_ASSERT:
LOG(ERROR) << message;
break;
case Rml::Log::Type::LT_WARNING:
LOG(WARNING) << message;
break;
case Rml::Log::Type::LT_INFO:
LOG(INFO) << message;
break;
case Rml::Log::Type::LT_DEBUG:
LOG(DEBUG) << message;
break;
case Rml::Log::Type::LT_MAX:
LOG(DEBUG) << message;
break;
}
return true;
}
void RmlSystemInterface::SetClipboardText(const Rml::String& text) {
clipboard = text;
}
void RmlSystemInterface::GetClipboardText(Rml::String& text) {
text = clipboard;
}
RmlRenderInterface::RmlRenderInterface(RenderState& renderState) {
std::string vertexSource, pixelSource, texPixelSource;
{
auto vertAsset = AssetManager::GetAssetByAssetName("/altcraft/shaders/vert/rml");
vertexSource = std::string((char*)vertAsset->data.data(), (char*)vertAsset->data.data() + vertAsset->data.size());
auto pixelAsset = AssetManager::GetAssetByAssetName("/altcraft/shaders/frag/rml");
pixelSource = std::string((char*)pixelAsset->data.data(), (char*)pixelAsset->data.data() + pixelAsset->data.size());
auto texPixelAsset = AssetManager::GetAssetByAssetName("/altcraft/shaders/frag/rmltex");
texPixelSource = std::string((char*)texPixelAsset->data.data(), (char*)texPixelAsset->data.data() + texPixelAsset->data.size());
}
auto gal = Gal::GetImplementation();
vertexBuffer = gal->CreateBuffer();
indexBuffer = gal->CreateBuffer();
{
auto pipelineConfig = gal->CreatePipelineConfig();
pipelineConfig->AddShaderParameter("viewportSize", Gal::Type::Vec2u32);
pipelineConfig->AddShaderParameter("translation", Gal::Type::Vec2);
pipelineConfig->SetTarget(gal->GetDefaultFramebuffer());
pipelineConfig->SetVertexShader(gal->LoadVertexShader(vertexSource));
pipelineConfig->SetPixelShader(gal->LoadPixelShader(pixelSource));
auto vertBuffBind = pipelineConfig->BindVertexBuffer({
{"pos", Gal::Type::Vec2},
{"color", Gal::Type::Vec4u8},
{"", Gal::Type::Vec2}, //it's not used in shader, so driver optimizes it away
});
auto indexBuffBind = pipelineConfig->BindIndexBuffer();
pipeline = gal->BuildPipeline(pipelineConfig);
pipelineInstance = pipeline->CreateInstance({
{vertBuffBind, vertexBuffer},
{indexBuffBind, indexBuffer},
});
}
{
auto texPipelineConfig = gal->CreatePipelineConfig();
texPipelineConfig->AddShaderParameter("viewportSize", Gal::Type::Vec2u32);
texPipelineConfig->AddShaderParameter("translation", Gal::Type::Vec2);
texPipelineConfig->AddShaderParameter("fontTexture", Gal::Type::Int32);
texPipelineConfig->SetTarget(gal->GetDefaultFramebuffer());
texPipelineConfig->SetVertexShader(gal->LoadVertexShader(vertexSource));
texPipelineConfig->SetPixelShader(gal->LoadPixelShader(texPixelSource));
auto texVertBuffBind = texPipelineConfig->BindVertexBuffer({
{"pos", Gal::Type::Vec2},
{"color", Gal::Type::Vec4u8},
{"tex_coord", Gal::Type::Vec2},
});
auto texIndexBuffBind = texPipelineConfig->BindIndexBuffer();
texPipeline = gal->BuildPipeline(texPipelineConfig);
texPipelineInstance = texPipeline->CreateInstance({
{texVertBuffBind, vertexBuffer},
{texIndexBuffBind, indexBuffer},
});
}
}
RmlRenderInterface::~RmlRenderInterface() {
}
void RmlRenderInterface::RenderGeometry(Rml::Vertex* vertices, int num_vertices, int* indices, int num_indices, Rml::TextureHandle texture, const Rml::Vector2f& translation) {
indexBuffer->SetData({ reinterpret_cast<std::byte*>(indices), reinterpret_cast<std::byte*>(indices + num_indices) });
vertexBuffer->SetData({ reinterpret_cast<std::byte*>(vertices), reinterpret_cast<std::byte*>(vertices + num_vertices) });
auto tex = textures.find(texture);
if (tex != textures.end()) {
texPipeline->Activate();
texPipeline->SetShaderParameter("translation", glm::vec2(translation.x, translation.y));
texPipeline->SetDynamicTexture("fontTexture", tex->second);
texPipelineInstance->Activate();
texPipelineInstance->Render(0, num_indices);
} else {
pipeline->Activate();
pipeline->SetShaderParameter("translation", glm::vec2(translation.x, translation.y));
pipelineInstance->Activate();
pipelineInstance->Render(0, num_indices);
}
}
void RmlRenderInterface::EnableScissorRegion(bool enable) {
Gal::GetImplementation()->SetScissor(enable);
}
void RmlRenderInterface::SetScissorRegion(int x, int y, int width, int height) {
Gal::GetImplementation()->SetScissor(x, y, width, height);
}
bool RmlRenderInterface::LoadTexture(Rml::TextureHandle& texture_handle, Rml::Vector2i& texture_dimensions, const Rml::String& source) {
return false;
}
bool RmlRenderInterface::GenerateTexture(Rml::TextureHandle& texture_handle, const Rml::byte* source, const Rml::Vector2i& source_dimensions) {
size_t textureId = textures.empty() ? 1 : textures.rbegin()->first + 1;
auto gal = Gal::GetImplementation();
auto textureConfig = gal->CreateTexture2DConfig(source_dimensions.x, source_dimensions.y, Gal::Format::R8G8B8A8);
auto texture = gal->BuildTexture(textureConfig);
texture->SetData({ reinterpret_cast<const std::byte*>(source),reinterpret_cast<const std::byte*>(source + (source_dimensions.x * source_dimensions.y) * 4) });
textures.insert({ textureId,texture });
texture_handle = textureId;
return true;
}
void RmlRenderInterface::ReleaseTexture(Rml::TextureHandle texture) {
textures.erase(textures.find(texture));
}
void RmlRenderInterface::Update(unsigned int windowWidth, unsigned int windowHeight) {
pipeline->SetShaderParameter("viewportSize", glm::uvec2(windowWidth, windowHeight));
texPipeline->SetShaderParameter("viewportSize", glm::uvec2(windowWidth, windowHeight));
vpWidth = windowWidth;
vpHeight = windowHeight;
}
Rml::FileHandle RmlFileInterface::Open(const Rml::String& path) {
Rml::FileHandle fileId = handles.rbegin() != handles.rend() ? handles.rbegin()->first + 1 : 1;
while (handles.find(fileId) != handles.end())
fileId++;
AssetHandle handle;
handle.fileName = path;
std::string assetName = path;
if (*assetName.begin() != '/')
assetName = "/" + assetName;
handle.assetPtr = AssetManager::GetAssetByAssetName(assetName);
handle.filePos = 0;
if (handle.assetPtr != nullptr)
handles.insert(std::make_pair(fileId, handle));
else
fileId = 0;
return fileId;
}
void RmlFileInterface::Close(Rml::FileHandle file) {
handles.erase(file);
}
size_t RmlFileInterface::Read(void* buffer, size_t size, Rml::FileHandle file) {
size_t readed = 0;
readed = _min((size_t)(handles[file].assetPtr->data.size() - handles[file].filePos), size);
std::memcpy(buffer, handles[file].assetPtr->data.data() + handles[file].filePos, readed);
handles[file].filePos += readed;
return readed;
}
bool RmlFileInterface::Seek(Rml::FileHandle file, long offset, int origin) {
unsigned long long base = 0;
if (origin == SEEK_CUR)
base = handles[file].filePos;
else if (origin == SEEK_END)
base = handles[file].assetPtr->data.size();
handles[file].filePos = base + offset;
return true;
}
size_t RmlFileInterface::Tell(Rml::FileHandle file) {
return handles[file].filePos;
}
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