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#include "Rml.hpp"
#include <easylogging++.h>
#include "AssetManager.hpp"
#include "Shader.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) : State(&renderState) {
glGenVertexArrays(1, &Vao);
glBindVertexArray(Vao);
glCheckError();
glGenBuffers(1, &Ebo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, Ebo);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, 0, nullptr, GL_STREAM_DRAW);
glCheckError();
glGenBuffers(1, &Vbo);
glBindBuffer(GL_ARRAY_BUFFER, Vbo);
glBufferData(GL_ARRAY_BUFFER, 0, nullptr, GL_STREAM_DRAW);
glCheckError();
{
//Vertex position (2 float)
GLuint PosAttribPos = 0;
glVertexAttribPointer(PosAttribPos, 2, GL_FLOAT, GL_FALSE, 20, (void*)0);
glEnableVertexAttribArray(PosAttribPos);
//Vertex colour (4 uint8 RGBA)
GLuint ColAttribPos = 1;
glVertexAttribIPointer(ColAttribPos, 4, GL_UNSIGNED_BYTE, 20, (void*)8);
glEnableVertexAttribArray(ColAttribPos);
//Vertex tex_coord (2 float)
GLuint TexAttribPos = 2;
glVertexAttribPointer(TexAttribPos, 2, GL_FLOAT, GL_FALSE, 20, (void*)12);
glEnableVertexAttribArray(TexAttribPos);
}
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glCheckError();
}
RmlRenderInterface::~RmlRenderInterface() {
glDeleteVertexArrays(1, &Vao);
glDeleteBuffers(1, &Vbo);
glDeleteBuffers(1, &Ebo);
glCheckError();
}
void RmlRenderInterface::RenderGeometry(Rml::Vertex* vertices, int num_vertices, int* indices, int num_indices, Rml::TextureHandle texture, const Rml::Vector2f& translation) {
if (texture) {
AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rmltex")->shader->Activate();
AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rmltex")->shader->SetUniform("translation", glm::vec2(translation.x, translation.y));
glBindTexture(GL_TEXTURE_2D, texture);
} else {
AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rml")->shader->Activate();
AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rml")->shader->SetUniform("translation", glm::vec2(translation.x, translation.y));
}
glCheckError();
glBindVertexArray(Vao);
glCheckError();
glBindBuffer(GL_ARRAY_BUFFER, Vbo);
glBufferData(GL_ARRAY_BUFFER, num_vertices * sizeof(Rml::Vertex), vertices, GL_STREAM_DRAW);
glCheckError();
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, Ebo);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, num_indices * sizeof(int), indices, GL_STREAM_DRAW);
glCheckError();
glDrawElements(GL_TRIANGLES, num_indices, GL_UNSIGNED_INT, 0);
glCheckError();
glBindVertexArray(0);
}
void RmlRenderInterface::EnableScissorRegion(bool enable) {
if (enable)
glEnable(GL_SCISSOR_TEST);
else
glDisable(GL_SCISSOR_TEST);
}
void RmlRenderInterface::SetScissorRegion(int x, int y, int width, int height) {
glScissor(x, vpHeight - (y + height), width, height);
glCheckError();
}
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) {
int mipLevelCount = 1;
glActiveTexture(GL_TEXTURE0);
GLuint texture;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glCheckError();
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, source_dimensions.x, source_dimensions.y, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, source);
glCheckError();
texture_handle = texture;
return true;
}
void RmlRenderInterface::ReleaseTexture(Rml::TextureHandle texture) {
GLuint textures = texture;
glDeleteTextures(1, &textures);
glCheckError();
}
void RmlRenderInterface::Update(unsigned int windowWidth, unsigned int windowHeight) {
AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rml")->shader->Activate();
AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rml")->shader->SetUniform("viewportSize", windowWidth, windowHeight);
glCheckError();
AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rmltex")->shader->Activate();
AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rmltex")->shader->SetUniform("viewportSize", windowWidth, windowHeight);
AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rmltex")->shader->SetUniform("fontTexture", 0);
glCheckError();
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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