package.path = package.path..";../../?.lua" local dirtools = require("tools.vfs.dirtools").init("sokol%-luajit") --_G.SOKOL_DLL = "sokol_debug_dll" local sapp = require("sokol_app") sg = require("sokol_gfx") local slib = require("sokol_libs") -- Warn - always after gfx!! local hmm = require("hmm") local hutils = require("hmm_utils") local utils = require("utils") local ffi = require("ffi") local box3d = require("box3d") -- -------------------------------------------------------------------------------------- ffi.cdef[[ /* application state */ typedef struct state { float rx, ry; sg_pipeline pip; sg_bindings* bind; } state; ]] -- -------------------------------------------------------------------------------------- -- The nice way to take a glsl shader and load, compile and return a shader description local shc = require("tools.shader_compiler.shc_compile").init( "sokol%-luajit", false ) local shader = shc.compile("./projects/examples/samples/cube-sapp.glsl", "cube") -- -------------------------------------------------------------------------------------- local function logout(tag, log_level, log_item, message, line_nr, filename, user_data) print("-------->>> ") print(tag.." "..log_level.." "..log_item.." "..message.." "..line_nr.." "..filename) end -- -------------------------------------------------------------------------------------- local state = ffi.new("state[1]") local sg_range = ffi.new("sg_range[1]") local binding = ffi.new("sg_bindings[1]", {}) local worldDef = nil local worldid = nil local function init() local desc = ffi.new("sg_desc[1]") desc[0].environment = slib.sglue_environment() desc[0].logger.func = slib.slog_func desc[0].disable_validation = false sg.sg_setup( desc ) print("Sokol Is Valid: "..tostring(sg.sg_isvalid())) local vertices = ffi.new("float[168]", { -1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, -1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, -1.0, -1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, -1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, -1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, -1.0, -1.0, -1.0, 0.0, 0.0, 1.0, 1.0, -1.0, 1.0, -1.0, 0.0, 0.0, 1.0, 1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, -1.0, -1.0, 1.0, 0.5, 0.0, 1.0, 1.0, 1.0, -1.0, 1.0, 0.5, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.5, 0.0, 1.0, 1.0, -1.0, 1.0, 1.0, 0.5, 0.0, 1.0, -1.0, -1.0, -1.0, 0.0, 0.5, 1.0, 1.0, -1.0, -1.0, 1.0, 0.0, 0.5, 1.0, 1.0, 1.0, -1.0, 1.0, 0.0, 0.5, 1.0, 1.0, 1.0, -1.0, -1.0, 0.0, 0.5, 1.0, 1.0, -1.0, 1.0, -1.0, 1.0, 0.0, 0.5, 1.0, -1.0, 1.0, 1.0, 1.0, 0.0, 0.5, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.5, 1.0, 1.0, 1.0, -1.0, 1.0, 0.0, 0.5, 1.0 }) local buffer_desc = ffi.new("sg_buffer_desc[1]") buffer_desc[0].data.ptr = vertices buffer_desc[0].data.size = ffi.sizeof(vertices) buffer_desc[0].label = "cube-vertices" local vbuf = sg.sg_make_buffer(buffer_desc) local indices = ffi.new("uint16_t[36]", { 0, 1, 2, 0, 2, 3, 6, 5, 4, 7, 6, 4, 8, 9, 10, 8, 10, 11, 14, 13, 12, 15, 14, 12, 16, 17, 18, 16, 18, 19, 22, 21, 20, 23, 22, 20 }) local ibuffer_desc = ffi.new("sg_buffer_desc[1]", {}) ibuffer_desc[0].type = sg.SG_BUFFERTYPE_INDEXBUFFER ibuffer_desc[0].data.ptr = indices ibuffer_desc[0].data.size = ffi.sizeof(indices) ibuffer_desc[0].label = "cube-indices" local ibuf = sg.sg_make_buffer(ibuffer_desc) local shd = sg.sg_make_shader(shader) local pipe_desc = ffi.new("sg_pipeline_desc[1]", {}) pipe_desc[0].layout.buffers[0].stride = 28 pipe_desc[0].layout.attrs[0].format = sg.SG_VERTEXFORMAT_FLOAT3 pipe_desc[0].layout.attrs[1].format = sg.SG_VERTEXFORMAT_FLOAT4 pipe_desc[0].shader = shd pipe_desc[0].index_type = sg.SG_INDEXTYPE_UINT16 pipe_desc[0].cull_mode = sg.SG_CULLMODE_BACK pipe_desc[0].depth.write_enabled = true pipe_desc[0].depth.compare = sg.SG_COMPAREFUNC_LESS_EQUAL pipe_desc[0].label = "cube-pipeline" state[0].pip = sg.sg_make_pipeline(pipe_desc) binding[0].vertex_buffers[0] = vbuf binding[0].index_buffer = ibuf state[0].bind = binding worldDef = ffi.new("b3WorldDef[1]") worldDef[0].workerCount = 4 worldDef[0].enableSleep = true worldid = box3d.b3CreateWorld( worldDef ) end -- -------------------------------------------------------------------------------------- local function frame() -- /* NOTE: the vs_params_t struct has been code-generated by the shader-code-gen */ local w = sapp.sapp_widthf() local h = sapp.sapp_heightf() local t = (sapp.sapp_frame_duration() * 60.0) -- Box3d Physics stepper box3d.b3World_Step( worldid, sapp.sapp_frame_duration(), 1 ) local proj = hmm.HMM_Perspective(60.0, w/h, 0.01, 20.0) local view = hmm.HMM_LookAt(hmm.HMM_Vec3(0.0, 1.5, -16.0), hmm.HMM_Vec3(0.0, 0.0, 0.0), hmm.HMM_Vec3(0.0, 1.0, 0.0)) local view_proj = hmm.HMM_MultiplyMat4(proj, view) state[0].rx = state[0].rx + 1.0 * t state[0].ry = state[0].ry + 2.0 * t local rxm = hmm.HMM_Rotate(state[0].rx, hmm.HMM_Vec3(1.0, 0.0, 0.0)) local rym = hmm.HMM_Rotate(state[0].ry, hmm.HMM_Vec3(0.0, 1.0, 0.0)) local model = hmm.HMM_MultiplyMat4(rxm, rym) local mvp = hmm.HMM_MultiplyMat4(view_proj, model) local pass = ffi.new("sg_pass[1]") pass[0].action.colors[0].load_action = sg.SG_LOADACTION_CLEAR pass[0].action.colors[0].clear_value = { 0.25, 0.5, 0.75, 1.0 } pass[0].swapchain = slib.sglue_swapchain() sg.sg_begin_pass(pass) sg.sg_apply_pipeline(state[0].pip) sg.sg_apply_bindings(state[0].bind) local vs_params = ffi.new("vs_params_t[1]") vs_params[0].mvp = mvp sg_range[0].ptr = vs_params sg_range[0].size = ffi.sizeof(vs_params[0]) sg.sg_apply_uniforms(0, sg_range) sg.sg_draw(0, 36, 1) sg.sg_end_pass() sg.sg_commit() -- Display frame stats in console. -- hutils.show_stats() end -- -------------------------------------------------------------------------------------- local function cleanup() box3d.b3DestroyWorld( worldid ) sg.sg_shutdown() end -- -------------------------------------------------------------------------------------- local app_desc = ffi.new("sapp_desc[1]") app_desc[0].init_cb = init app_desc[0].frame_cb = frame app_desc[0].cleanup_cb = cleanup app_desc[0].width = 1920 app_desc[0].height = 1080 app_desc[0].window_title = "Cube (sokol-app)" app_desc[0].fullscreen = false app_desc[0].icon.sokol_default = true app_desc[0].logger.func = slib.slog_func sapp.sapp_run( app_desc ) -- --------------------------------------------------------------------------------------