147 lines
4.1 KiB
C++
147 lines
4.1 KiB
C++
#include "hud_render.h"
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#include <GL/glew.h>
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#include <GLFW/glfw3.h>
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#include "Assets.h"
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#include "graphics/Shader.h"
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#include "graphics/Batch2D.h"
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#include "graphics/Font.h"
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#include "graphics/Mesh.h"
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#include "window/Camera.h"
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#include "window/Window.h"
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#include "window/Events.h"
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#include "voxels/Chunks.h"
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#include "voxels/Block.h"
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#include "world/World.h"
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#include "world/Level.h"
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#include "objects/Player.h"
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HudRenderer::HudRenderer() {
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float vertices[] = {
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// x y
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-0.01f,-0.01f,
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0.01f, 0.01f,
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-0.01f, 0.01f,
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0.01f,-0.01f,
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};
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int attrs[] = {
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2, 0 //null terminator
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};
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crosshair = new Mesh(vertices, 4, attrs);
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batch = new Batch2D(1024);
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uicamera = new Camera(glm::vec3(), Window::height / 1.0f);
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uicamera->perspective = false;
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uicamera->flipped = true;
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}
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HudRenderer::~HudRenderer() {
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delete crosshair;
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delete batch;
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delete uicamera;
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}
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void HudRenderer::drawDebug(Level* level, Assets* assets, int fps, bool occlusion){
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Chunks* chunks = level->chunks;
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Player* player = level->player;
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Font* font = assets->getFont("normal");
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Shader* uishader = assets->getShader("ui");
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uishader->use();
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uishader->uniformMatrix("u_projview", uicamera->getProjection()*uicamera->getView());
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batch->color = vec4(1.0f);
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batch->begin();
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font->draw(batch, L"chunks: "+std::to_wstring(chunks->chunksCount), 16, 16, STYLE_OUTLINE);
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font->draw(batch, std::to_wstring((int)player->camera->position.x), 10, 30, STYLE_OUTLINE);
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font->draw(batch, std::to_wstring((int)player->camera->position.y), 50, 30, STYLE_OUTLINE);
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font->draw(batch, std::to_wstring((int)player->camera->position.z), 90, 30, STYLE_OUTLINE);
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font->draw(batch, L"fps:", 16, 42, STYLE_OUTLINE);
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font->draw(batch, std::to_wstring(fps), 44, 42, STYLE_OUTLINE);
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font->draw(batch, L"occlusion: "+std::to_wstring(occlusion), 16, 54, STYLE_OUTLINE);
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batch->render();
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}
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void HudRenderer::draw(Level* level, Assets* assets){
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uicamera->fov = Window::height;
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glDisable(GL_DEPTH_TEST);
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glDisable(GL_CULL_FACE);
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Shader* uishader = assets->getShader("ui");
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uishader->use();
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uishader->uniformMatrix("u_projview", uicamera->getProjection()*uicamera->getView());
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// Chosen block preview
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Texture* blocks = assets->getTexture("block");
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Texture* sprite = assets->getTexture("slot");
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if (!Events::_cursor_locked) {
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batch->texture(nullptr);
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batch->color = vec4(0.0f, 0.0f, 0.0f, 0.5f);
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batch->rect(0, 0, Window::width, Window::height);
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}
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batch->color = vec4(1.0f);
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batch->texture(sprite);
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batch->sprite(16, uicamera->fov - 80, 64, 64, 16, 0, vec4(1.0f));
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batch->texture(blocks);
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Player* player = level->player;
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{
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Block* cblock = Block::blocks[player->choosenBlock];
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if (cblock->model == BLOCK_MODEL_CUBE){
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batch->blockSprite(24, uicamera->fov - 72, 48, 48, 16, cblock->textureFaces, vec4(1.0f));
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} else if (cblock->model == BLOCK_MODEL_X_SPRITE){
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batch->sprite(24, uicamera->fov - 72, 48, 48, 16, cblock->textureFaces[3], vec4(1.0f));
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}
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}
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if (!Events::_cursor_locked) {
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int size = 48;
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int step = 70;
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int y = uicamera->fov - 72 - 70;
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int x = 0;
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vec4 tint = vec4(1.0f);
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int mx = Events::x;
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int my = Events::y;
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for (unsigned i = 1; i < 256; i++) {
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Block* cblock = Block::blocks[i];
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if (cblock == nullptr)
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break;
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x = 24 + (i-1) * step;
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y -= 72 * (x / (Window::width - step));
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x %= (Window::width - step);
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if (mx > x && mx < x + size && my > y && my < y + size) {
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tint.r *= 1.3f;
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tint.g *= 1.3f;
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tint.b *= 1.3f;
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if (Events::jclicked(GLFW_MOUSE_BUTTON_LEFT)) {
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player->choosenBlock = i;
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}
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} else
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{
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tint = vec4(1.0f);
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}
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if (cblock->model == BLOCK_MODEL_CUBE){
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batch->blockSprite(x, y, size, size, 16, cblock->textureFaces, tint);
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} else if (cblock->model == BLOCK_MODEL_X_SPRITE){
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batch->sprite(x, y, size, size, 16, cblock->textureFaces[3], tint);
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}
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}
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}
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batch->render();
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Shader* crosshairShader = assets->getShader("crosshair");
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crosshairShader->use();
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crosshairShader->uniform1f("u_ar", (float)Window::height / (float)Window::width);
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crosshairShader->uniform1f("u_scale", 1.0f / ((float)Window::height / 1000.0f));
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crosshair->draw(GL_LINES);
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}
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