shakesoda

-- note: https://raw.githubusercontent.com/alexander-yakushev/awesompd/master/utf8.lua

print = function(...)
	local str = ""
	local num = select("#", ...)
	for i = 1, num do
		str = str .. tostring(select(i, ...))
		if i < num then
			local len = utf8.len(str) + 1
			local tab = 8

shakesoda

Creating a new Screen

Defining metrics

Screens need to be defined in a theme's metrics file to be available. At a minimum you must define a screen's name, class, next and previous screen. Different screen classes need different things to work, here is a basic ScreenAttract:

; Screen name

shakesoda

local ffi = require "ffi"

ffi.cdef [[
typedef struct SDL_Rect
{
	int x, y;
	int w, h;
} SDL_Rect;
void SDL_SetTextInputRect(SDL_Rect *rect);
]]

shakesoda

#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <cstdio>

#ifdef _MSC_VER
// I really don't give a shit about your deprecation warnings, MSVC.
#pragma warning(disable: 4996)
#define usleep _sleep
#else
#include <unistd.h>

shakesoda

// For textureSize2D, etc.
#extension GL_EXT_gpu_shader4 : enable

uniform int u_color_correct = 0;

// Sort of a hack: LOVE doesn't expose 3D textures, so we have to sample them
// as 2D and interpolate the samples ourselves.
uniform sampler2D u_lut_primary;
uniform sampler2D u_lut_secondary;
uniform float u_factor = 0.0;

shakesoda

diff -r 125cff058bd5 src/modules/graphics/opengl/Mesh.cpp
--- a/src/modules/graphics/opengl/Mesh.cpp	Mon Jun 02 00:22:41 2014 -0300
+++ b/src/modules/graphics/opengl/Mesh.cpp	Sat Oct 25 10:12:35 2014 -0700
@@ -581,6 +581,8 @@
 	{
 	case DRAW_MODE_FAN:
 		return GL_TRIANGLE_FAN;
+	case DRAW_MODE_LINES:
+		return GL_LINES;
 	case DRAW_MODE_STRIP:

shakesoda

-- $Id: utf8.lua 179 2009-04-03 18:10:03Z pasta $
--
-- Provides UTF-8 aware string functions implemented in pure lua:
-- * string.utf8len(s)
-- * string.utf8sub(s, i, j)
-- * string.utf8reverse(s)
-- * string.utf8char(unicode)
-- * string.utf8unicode(s, i, j)
-- * string.utf8gensub(s, sub_len)
--

shakesoda

		// Generate vertices
		const int size = 256;

		verts.reserve(size*size);
		faces.reserve(size*size);

		for (int j = 0; j < size; j++)
		{
			for (int i = 0; i < size; i++)
			{

shakesoda

local glfw = require("glfw3") --Let's say we have a magic GLFW3 binding there!
local openGL = require("opengl")
openGL.loader = glfw.GetProcAddress
openGL:import()

--and somewhere else
local vbo = ffi.new("GLuint[1]")
gl.GenBuffers(1, vbo)
gl.BindBuffer(GL.ARRAY_BUFFER, vbo[0])
gl.BufferData(GL.ARRAY_BUFFER, ffi.sizeof(vertices), vertices, GL.STATIC_DRAW)

shakesoda

function gate(axis, num)
	local function wrap(x)
		return math.fmod(x, math.pi * 2)
	end

	if math.abs(axis.x) < 0.1 and math.abs(axis.y) < 0.1 then
		return num + 1
	end

	local angle = math.atan2(axis.y, axis.x) -- in radians