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ImGui

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This commit is contained in:
Ben
2019-08-20 22:36:57 +01:00
parent d46a11016e
commit 81d8759cf6
27 changed files with 39118 additions and 13 deletions
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42
src/display/display.cpp
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@@ -15,6 +15,7 @@ bool Display::Init() {
bool Display::InitVideoDisplay(std::string title, int x, int y) {
this->XRes = x; this->YRes = y;
Title = title;
m_window = SDL_CreateWindow(
title.c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
@@ -62,6 +63,16 @@ bool Display::InitVideoDisplay(std::string title, int x, int y) {
return true;
}
bool Display::InitImGui() {
ImGui::CreateContext();
ImGuiSDL::Initialize(m_renderer, XRes, YRes);
m_imguiTexture = SDL_CreateTexture(m_renderer, SDL_PIXELFORMAT_RGBA32, SDL_TEXTUREACCESS_TARGET, 100, 100);
if (!m_imguiTexture) return false;
m_imGui = true;
return true;
}
void Display::SetPixel(int x, int y, Pixel p) {
Framebuffer[y * this->XRes + x] = p.rgb();
@@ -89,15 +100,42 @@ void Display::SetFramebuffer(uint32_t* fb) {
}
void Display::Update() {
ImGuiIO& io = ImGui::GetIO();
int mouseX, mouseY, wheel = 0;
const int buttons = SDL_GetMouseState(&mouseX, &mouseY);
io.DeltaTime = 1.0f / 60.0f;
io.MousePos = ImVec2(static_cast<float>(mouseX), static_cast<float>(mouseY));
io.MouseDown[0] = buttons & SDL_BUTTON(SDL_BUTTON_LEFT);
io.MouseDown[1] = buttons & SDL_BUTTON(SDL_BUTTON_RIGHT);
io.MouseWheel = static_cast<float>(wheel);
SDL_UpdateTexture(m_texture, NULL, Framebuffer, this->XRes * sizeof(uint32_t));
SDL_RenderCopy(m_renderer, m_texture, NULL, NULL);
ImGui::Render();
ImGuiSDL::Render(ImGui::GetDrawData());
SDL_RenderPresent(m_renderer);
memset((void*)Framebuffer, 0, this->XRes * this->YRes * sizeof(uint32_t));
}
void Display::UpdatePartial() {
SDL_UpdateTexture(m_texture, NULL, Framebuffer, this->XRes * sizeof(uint32_t));
SDL_RenderCopy(m_renderer, m_texture, NULL, NULL);
SDL_RenderPresent(m_renderer);
}
void Display::UpdateTitle(std::string title) {
Title = title;
UpdateTitle();
}
void Display::UpdateTitle() {
SDL_SetWindowTitle(m_window, Title.c_str());
}
void Display::Close() {
free(Framebuffer);
SDL_DestroyTexture(m_texture);
SDL_DestroyTexture(m_texture);
SDL_DestroyTexture(m_imguiTexture);
SDL_DestroyRenderer(m_renderer);
SDL_DestroyWindow(m_window);
SDL_Quit();