diff options
Diffstat (limited to 'src/ui.cpp')
| -rw-r--r-- | src/ui.cpp | 82 |
1 files changed, 47 insertions, 35 deletions
@@ -1,56 +1,68 @@ #include "ui.hpp" -#include "events/render.hpp" #include "text.hpp" #include <SDL2/SDL_opengl.h> #include <iostream> #include <string> -static NewRenderEvent NRE (0, 0, 0, 0); static const unsigned int NRE_TEX_DATA = 0xBBBBBBBB; -static std::basic_string<TextMeshData> buffer; void UISystem::configure(entityx::EntityManager&, entityx::EventManager&) { } +void UISystem::createDialogBox(float x, float y, float w, float h) +{ + // Queue for generation in the main thread. + m_boxes.emplace_back(0, x, y, w, h); +} + void UISystem::update(entityx::EntityManager&, entityx::EventManager& events, entityx::TimeDelta) { - static bool t = false; - - if (!t) { - t = true; - - glGenBuffers(1, &NRE.vbo); - glGenTextures(1, &NRE.tex); - - glBindTexture(GL_TEXTURE_2D, NRE.tex); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, &NRE_TEX_DATA); - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - - buffer += { 30, -50, -5, 0, 0, 1 }; - buffer += { 160, -50, -5, 0, 0, 1 }; - buffer += { 160, -10, -5, 0, 0, 1 }; - buffer += { 160, -10, -5, 0, 0, 1 }; - buffer += { 30, -10, -5, 0, 0, 1 }; - buffer += { 30, -50, -5, 0, 0, 1 }; - - glBindBuffer(GL_ARRAY_BUFFER, NRE.vbo); - glBufferData(GL_ARRAY_BUFFER, - buffer.size() * sizeof(TextMeshData), buffer.data(), - GL_DYNAMIC_DRAW); - - NRE.normal = 0; - NRE.vertex = buffer.size(); - events.emit<NewRenderEvent>(NRE); + for (auto& b : m_boxes) { + if (b.vbo == 0) { + auto nre = generateDialogBox(b); + events.emit<NewRenderEvent>(nre); + } } } +NewRenderEvent UISystem::generateDialogBox(Box& box) +{ + NewRenderEvent nre; + std::basic_string<TextMeshData> buffer; + + glGenBuffers(1, &nre.vbo); + glGenTextures(1, &nre.tex); + box.vbo = nre.vbo; + + glBindTexture(GL_TEXTURE_2D, nre.tex); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1, 1, 0, GL_RGBA, + GL_UNSIGNED_BYTE, &NRE_TEX_DATA); + + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + + buffer += { box.x, box.y, -5, 0, 0, 1 }; + buffer += { box.x + box.w, box.y, -5, 0, 0, 1 }; + buffer += { box.x + box.w, box.y + box.h, -5, 0, 0, 1 }; + buffer += { box.x + box.w, box.y + box.h, -5, 0, 0, 1 }; + buffer += { box.x, box.y + box.h, -5, 0, 0, 1 }; + buffer += { box.x, box.y, -5, 0, 0, 1 }; + + glBindBuffer(GL_ARRAY_BUFFER, nre.vbo); + glBufferData(GL_ARRAY_BUFFER, + buffer.size() * sizeof(TextMeshData), buffer.data(), + GL_DYNAMIC_DRAW); + + nre.normal = 0; + nre.vertex = buffer.size(); + return nre; +} + |