135 lines
5.1 KiB
Lua
135 lines
5.1 KiB
Lua
package.cpath = package.cpath..";../bin/win64/?.dll"
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package.path = package.path..";../ffi/sokol/?.lua"
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package.path = package.path..";../?.lua"
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--_G.SOKOL_DLL = "sokol_debug_dll"
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local sapp = require("sokol_app")
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sg = require("sokol_imgui") -- Includes gfx!!
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local im = sg -- Will NOT be using imgui in applications. Sample only. Dont recommend.
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local slib = require("sokol_libs") -- Warn - always after gfx!!
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local hmm = require("hmm")
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local hutils = require("hmm_utils")
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local ffi = require("ffi")
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-- --------------------------------------------------------------------------------------
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ffi.cdef[[
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typedef struct {
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uint64_t last_time;
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bool show_test_window;
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bool show_another_window;
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sg_pass_action pass_action;
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} state_t;
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]]
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local state = ffi.new("state_t[1]")
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-- --------------------------------------------------------------------------------------
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local function init(void)
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-- // setup sokol-gfx, sokol-time and sokol-imgui
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local sg_desc = ffi.new("sg_desc[1]")
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sg_desc[0].environment = slib.sglue_environment()
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sg_desc[0].logger.func = slib.slog_func
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sg.sg_setup( sg_desc )
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-- // use sokol-imgui with all default-options (we're not doing
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-- // multi-sampled rendering or using non-default pixel formats)
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local simg = ffi.new("simgui_desc_t[1]")
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simg[0].logger.func = slib.slog_func
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sg.simgui_setup(simg)
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-- /* initialize application state */
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state[0].show_test_window = true
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state[0].pass_action.colors[0].load_action = sg.SG_LOADACTION_CLEAR
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state[0].pass_action.colors[0].clear_value = { 0.7, 0.5, 0.0, 1.0 }
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end
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-- --------------------------------------------------------------------------------------
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local emptyVec2 = ffi.new("ImVec2[1]",{ x=0.0, y=0.0} )
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local f = ffi.new("float[1]", {0.0});
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local color = ffi.new("float[3]", { state[0].pass_action.colors[0].clear_value.r, state[0].pass_action.colors[0].clear_value.g, state[0].pass_action.colors[0].clear_value.b })
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local function frame(void)
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local width = sapp.sapp_width()
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local height = sapp.sapp_height()
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local imframe = ffi.new("simgui_frame_desc_t[1]")
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imframe[0].width = width
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imframe[0].height = height
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imframe[0].delta_time = sapp.sapp_frame_duration()
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imframe[0].dpi_scale = sapp.sapp_dpi_scale()
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im.simgui_new_frame(imframe)
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-- // 1. Show a simple window
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-- // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug"
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im.igText("Hello, world!")
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local sliderset = im.igSliderFloat("float", f, 0.0, 1.0, "%.3f", im.ImGuiSliderFlags_None)
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im.igColorEdit3("clear color", color, 0)
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if (im.igButton("Test Window", emptyVec2[0])) then state[0].show_test_window = not state[0].show_test_window end
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if (im.igButton("Another Window", emptyVec2[0])) then state[0].show_another_window = not state[0].show_another_window end
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im.igText("Application average %.3f ms/frame (%.1f FPS)", 1000.0 / im.igGetIO().Framerate, im.igGetIO().Framerate)
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-- -- // 2. Show another simple window, this time using an explicit Begin/End pair
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if (state[0].show_another_window) then
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local saw = ffi.new("bool[1]", {state[0].show_another_window})
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local winpos = ffi.new("ImVec2[1]", { {200, 100} })
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im.igSetNextWindowSize(winpos[0], im.ImGuiCond_FirstUseEver)
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im.igBegin("Another Window", saw, 0)
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im.igText("Hello");
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im.igEnd();
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end
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-- -- // 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowDemoWindow()
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if (state[0].show_test_window) then
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local stw = ffi.new("bool[1]", {state[0].show_test_window})
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local winpos = ffi.new("ImVec2[1]", { { 460, 20} })
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im.igSetNextWindowPos(winpos[0], im.ImGuiCond_FirstUseEver, emptyVec2[0]);
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im.igShowDemoWindow(stw);
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end
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-- // the sokol_gfx draw pass
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local pass = ffi.new("sg_pass[1]")
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pass[0].action = state[0].pass_action
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pass[0].swapchain = slib.sglue_swapchain()
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sg.sg_begin_pass(pass)
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im.simgui_render()
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sg.sg_end_pass()
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sg.sg_commit()
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end
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-- --------------------------------------------------------------------------------------
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local function cleanup()
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sg.sg_shutdown()
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end
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-- --------------------------------------------------------------------------------------
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local function input(event)
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im.simgui_handle_event(event)
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end
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-- --------------------------------------------------------------------------------------
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local app_desc = ffi.new("sapp_desc[1]")
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app_desc[0].init_cb = init
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app_desc[0].frame_cb = frame
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app_desc[0].cleanup_cb = cleanup
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app_desc[0].event_cb = input
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app_desc[0].width = 1920
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app_desc[0].height = 1080
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app_desc[0].window_title = "cimgui (sokol-app)"
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app_desc[0].icon.sokol_default = true
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app_desc[0].logger.func = slib.slog_func
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app_desc[0].enable_clipboard = true
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app_desc[0].ios_keyboard_resizes_canvas = false
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sapp.sapp_run( app_desc )
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-- -------------------------------------------------------------------------------------- |