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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) {
}
void RmlRenderInterface::SetScissorRegion(int x, int y, int width, int 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) {
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();
}
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