Began separating lua bindings, moved to src/modules dir

This commit is contained in:
rxi
2016-10-15 15:01:36 +01:00
parent 98800f0a73
commit 3de597d997
11 changed files with 321 additions and 303 deletions

View File

@@ -11,7 +11,6 @@
#include <dirent.h>
#include <sys/stat.h>
#include "luaobj.h"
#include "lib/microtar/microtar.h"
#include "lib/dmt/dmt.h"
@@ -573,110 +572,3 @@ int filesystem_write(const char *filename, const void *data, int size) {
fclose(fp);
return n == size ? FILESYSTEM_ESUCCESS : FILESYSTEM_EWRITEFAIL;
}
/*==================*/
/* Lua Binds */
/*==================*/
int l_filesystem_mount(lua_State *L) {
const char *path = luaL_checkstring(L, 1);
int err = filesystem_mount(path);
if (err) {
lua_pushnil(L);
lua_pushstring(L, filesystem_strerror(err));
return 2;
}
lua_pushboolean(L, 1);
return 1;
}
int l_filesystem_unmount(lua_State *L) {
const char *path = luaL_checkstring(L, 1);
int err = filesystem_unmount(path);
if (err) {
lua_pushnil(L);
lua_pushstring(L, filesystem_strerror(err));
return 2;
}
lua_pushboolean(L, 1);
return 1;
}
int l_filesystem_exists(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
lua_pushboolean( L, filesystem_exists(filename) );
return 1;
}
int l_filesystem_isFile(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
lua_pushboolean( L, filesystem_isFile(filename) );
return 1;
}
int l_filesystem_isDirectory(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
lua_pushboolean( L, filesystem_isDirectory(filename) );
return 1;
}
int l_filesystem_read(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
int size;
void *data = filesystem_read(filename, &size);
if (!data) {
luaL_error(L, "could not read file");
}
lua_pushlstring(L, data, size);
filesystem_free(data);
return 1;
}
int l_filesystem_setWriteDir(lua_State *L) {
const char *path = luaL_checkstring(L, 1);
int err = filesystem_setWriteDir(path);
if (err) {
lua_pushnil(L);
lua_pushstring(L, filesystem_strerror(err));
return 2;
}
lua_pushboolean(L, 1);
return 1;
}
int l_filesystem_write(lua_State *L) {
size_t sz;
const char *filename = luaL_checkstring(L, 1);
const char *data = luaL_tolstring(L, 2, &sz);
int err = filesystem_write(filename, data, sz);
if (err) {
luaL_error(L, "%s", filesystem_strerror(err));
}
lua_pushboolean(L, 1);
return 1;
}
int luaopen_filesystem(lua_State *L) {
luaL_Reg reg[] = {
{ "mount", l_filesystem_mount },
{ "unmount", l_filesystem_unmount },
{ "exists", l_filesystem_exists },
{ "isFile", l_filesystem_isFile },
{ "isDirectory", l_filesystem_isDirectory },
{ "read", l_filesystem_read },
{ "setWriteDir", l_filesystem_setWriteDir },
{ "write", l_filesystem_write },
{ 0, 0 },
};
luaL_newlib(L, reg);
return 1;
}

View File

@@ -13,7 +13,6 @@
#include "lib/stb/stb_truetype.h"
#include "filesystem.h"
#include "font.h"
#include "luaobj.h"
static const char *initFont(font_t *self, const void *data, int ptsize) {
@@ -144,70 +143,3 @@ void font_blit(font_t *self, pixel_t *buf, int bufw, int bufh,
image_blendMode = oldBlendMode;
image_flip = oldFlip;
}
#define CLASS_TYPE LUAOBJ_TYPE_FONT
#define CLASS_NAME "Font"
int l_font_new(lua_State *L) {
const char *filename;
int ptsize = 12;
if ( lua_isnoneornil(L, 2) ) {
filename = NULL;
ptsize = luaL_optnumber(L, 1, ptsize);
} else {
filename = luaL_checkstring(L, 1);
ptsize = luaL_optnumber(L, 2, ptsize);
}
font_t *self = luaobj_newudata(L, sizeof(*self));
luaobj_setclass(L, CLASS_TYPE, CLASS_NAME);
if (filename) {
const char *err = font_init(self, filename, ptsize);
if (err) luaL_error(L, err);
} else {
font_initEmbedded(self, ptsize);
}
return 1;
}
int l_font_gc(lua_State *L) {
font_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
font_deinit(self);
return 0;
}
int l_font_getWidth(lua_State *L) {
font_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
const char *p = luaL_checkstring(L, 2);
int width = 0;
while (*p) {
width += self->glyphs[(int) (*p++ & 127)].xadvance;
}
lua_pushinteger(L, width);
return 1;
}
int l_font_getHeight(lua_State *L) {
font_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
lua_pushinteger(L, self->height);
return 1;
}
int luaopen_font(lua_State *L) {
luaL_Reg reg[] = {
{ "new", l_font_new },
{ "__gc", l_font_gc },
{ "getWidth", l_font_getWidth },
{ "getHeight", l_font_getHeight },
{ 0, 0 },
};
luaobj_newclass(L, CLASS_NAME, NULL, l_font_new, reg);
return 1;
}

View File

@@ -14,7 +14,6 @@
#include "filesystem.h"
#include "image.h"
#include "palette.h"
#include "luaobj.h"
int image_blendMode = IMAGE_NORMAL;
int image_flip = 0;
@@ -232,129 +231,3 @@ void image_deinit(image_t *self) {
dmt_free(self->data);
dmt_free(self->mask);
}
#define CLASS_TYPE LUAOBJ_TYPE_IMAGE
#define CLASS_NAME "Image"
int l_image_new(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
image_t *self = luaobj_newudata(L, sizeof(*self));
luaobj_setclass(L, CLASS_TYPE, CLASS_NAME);
const char *err = image_init(self, filename);
if (err) luaL_error(L, err);
return 1;
}
int l_image_newCanvas(lua_State *L) {
int width = VGA_WIDTH;
int height = VGA_HEIGHT;
if (lua_gettop(L) > 0) {
width = luaL_checknumber(L, 1);
height = luaL_checknumber(L, 2);
if (width <= 0) luaL_argerror(L, 1, "width must be larger than 0");
if (height <= 0) luaL_argerror(L, 2, "height must be larger than 0");
}
image_t *self = luaobj_newudata(L, sizeof(*self));
luaobj_setclass(L, CLASS_TYPE, CLASS_NAME);
image_initBlank(self, width, height);
return 1;
}
int l_image_gc(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
image_deinit(self);
return 0;
}
int l_image_getDimensions(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
lua_pushinteger(L, self->width);
lua_pushinteger(L, self->height);
return 2;
}
int l_image_getWidth(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
lua_pushinteger(L, self->width);
return 1;
}
int l_image_getHeight(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
lua_pushinteger(L, self->height);
return 1;
}
int l_image_getPixel(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
int x = luaL_checknumber(L, 2);
int y = luaL_checknumber(L, 3);
if (x < 0 || x >= self->width || y < 0 || y >= self->height) {
/* Return `nil` for out of bounds (same as transparent) */
lua_pushnil(L);
return 1;
} else {
/* Return `nil` if color is transparent, else return 3 channel values */
int idx = self->data[x + y * self->width];
if (idx == 0) {
lua_pushnil(L);
return 1;
} else {
int rgb[3];
palette_idxToColor(idx, rgb);
lua_pushinteger(L, rgb[0]);
lua_pushinteger(L, rgb[1]);
lua_pushinteger(L, rgb[2]);
return 3;
}
}
}
int l_image_setPixel(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
int x = luaL_checknumber(L, 2);
int y = luaL_checknumber(L, 3);
if (lua_isnoneornil(L, 4)) {
/* Set transparent */
image_setPixel(self, x, y, 0);
image_setMaskPixel(self, x, y, 0xff);
} else {
/* Get color, set pixel and mask */
int r = luaL_checknumber(L, 4);
int g = luaL_checknumber(L, 5);
int b = luaL_checknumber(L, 6);
int idx = palette_colorToIdx(r, g, b);
if (idx < -1) {
luaL_error(L, "color palette exhausted: use fewer unique colors");
}
image_setPixel(self, x, y, idx);
image_setMaskPixel(self, x, y, 0x0);
}
return 0;
}
int luaopen_image(lua_State *L) {
luaL_Reg reg[] = {
{ "new", l_image_new },
{ "__gc", l_image_gc },
{ "getDimensions", l_image_getDimensions },
{ "getWidth", l_image_getWidth },
{ "getHeight", l_image_getHeight },
{ "getPixel", l_image_getPixel },
{ "setPixel", l_image_setPixel },
{ 0, 0 },
};
luaobj_newclass(L, CLASS_NAME, NULL, l_image_new, reg);
return 1;
}

112
src/modules/l_filesystem.c Normal file
View File

@@ -0,0 +1,112 @@
/**
* Copyright (c) 2016 rxi
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MIT license. See LICENSE for details.
*/
#include "filesystem.h"
#include "luaobj.h"
int l_filesystem_mount(lua_State *L) {
const char *path = luaL_checkstring(L, 1);
int err = filesystem_mount(path);
if (err) {
lua_pushnil(L);
lua_pushstring(L, filesystem_strerror(err));
return 2;
}
lua_pushboolean(L, 1);
return 1;
}
int l_filesystem_unmount(lua_State *L) {
const char *path = luaL_checkstring(L, 1);
int err = filesystem_unmount(path);
if (err) {
lua_pushnil(L);
lua_pushstring(L, filesystem_strerror(err));
return 2;
}
lua_pushboolean(L, 1);
return 1;
}
int l_filesystem_exists(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
lua_pushboolean( L, filesystem_exists(filename) );
return 1;
}
int l_filesystem_isFile(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
lua_pushboolean( L, filesystem_isFile(filename) );
return 1;
}
int l_filesystem_isDirectory(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
lua_pushboolean( L, filesystem_isDirectory(filename) );
return 1;
}
int l_filesystem_read(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
int size;
void *data = filesystem_read(filename, &size);
if (!data) {
luaL_error(L, "could not read file");
}
lua_pushlstring(L, data, size);
filesystem_free(data);
return 1;
}
int l_filesystem_setWriteDir(lua_State *L) {
const char *path = luaL_checkstring(L, 1);
int err = filesystem_setWriteDir(path);
if (err) {
lua_pushnil(L);
lua_pushstring(L, filesystem_strerror(err));
return 2;
}
lua_pushboolean(L, 1);
return 1;
}
int l_filesystem_write(lua_State *L) {
size_t sz;
const char *filename = luaL_checkstring(L, 1);
const char *data = luaL_tolstring(L, 2, &sz);
int err = filesystem_write(filename, data, sz);
if (err) {
luaL_error(L, "%s", filesystem_strerror(err));
}
lua_pushboolean(L, 1);
return 1;
}
int luaopen_filesystem(lua_State *L) {
luaL_Reg reg[] = {
{ "mount", l_filesystem_mount },
{ "unmount", l_filesystem_unmount },
{ "exists", l_filesystem_exists },
{ "isFile", l_filesystem_isFile },
{ "isDirectory", l_filesystem_isDirectory },
{ "read", l_filesystem_read },
{ "setWriteDir", l_filesystem_setWriteDir },
{ "write", l_filesystem_write },
{ 0, 0 },
};
luaL_newlib(L, reg);
return 1;
}

74
src/modules/l_font.c Normal file
View File

@@ -0,0 +1,74 @@
/**
* Copyright (c) 2016 rxi
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MIT license. See LICENSE for details.
*/
#include "font.h"
#include "luaobj.h"
#define CLASS_TYPE LUAOBJ_TYPE_FONT
#define CLASS_NAME "Font"
int l_font_new(lua_State *L) {
const char *filename;
int ptsize = 12;
if ( lua_isnoneornil(L, 2) ) {
filename = NULL;
ptsize = luaL_optnumber(L, 1, ptsize);
} else {
filename = luaL_checkstring(L, 1);
ptsize = luaL_optnumber(L, 2, ptsize);
}
font_t *self = luaobj_newudata(L, sizeof(*self));
luaobj_setclass(L, CLASS_TYPE, CLASS_NAME);
if (filename) {
const char *err = font_init(self, filename, ptsize);
if (err) luaL_error(L, err);
} else {
font_initEmbedded(self, ptsize);
}
return 1;
}
int l_font_gc(lua_State *L) {
font_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
font_deinit(self);
return 0;
}
int l_font_getWidth(lua_State *L) {
font_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
const char *p = luaL_checkstring(L, 2);
int width = 0;
while (*p) {
width += self->glyphs[(int) (*p++ & 127)].xadvance;
}
lua_pushinteger(L, width);
return 1;
}
int l_font_getHeight(lua_State *L) {
font_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
lua_pushinteger(L, self->height);
return 1;
}
int luaopen_font(lua_State *L) {
luaL_Reg reg[] = {
{ "new", l_font_new },
{ "__gc", l_font_gc },
{ "getWidth", l_font_getWidth },
{ "getHeight", l_font_getHeight },
{ 0, 0 },
};
luaobj_newclass(L, CLASS_NAME, NULL, l_font_new, reg);
return 1;
}

135
src/modules/l_image.c Normal file
View File

@@ -0,0 +1,135 @@
/**
* Copyright (c) 2016 rxi
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MIT license. See LICENSE for details.
*/
#include "luaobj.h"
#include "palette.h"
#include "image.h"
#define CLASS_TYPE LUAOBJ_TYPE_IMAGE
#define CLASS_NAME "Image"
int l_image_new(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
image_t *self = luaobj_newudata(L, sizeof(*self));
luaobj_setclass(L, CLASS_TYPE, CLASS_NAME);
const char *err = image_init(self, filename);
if (err) luaL_error(L, err);
return 1;
}
int l_image_newCanvas(lua_State *L) {
int width = VGA_WIDTH;
int height = VGA_HEIGHT;
if (lua_gettop(L) > 0) {
width = luaL_checknumber(L, 1);
height = luaL_checknumber(L, 2);
if (width <= 0) luaL_argerror(L, 1, "width must be larger than 0");
if (height <= 0) luaL_argerror(L, 2, "height must be larger than 0");
}
image_t *self = luaobj_newudata(L, sizeof(*self));
luaobj_setclass(L, CLASS_TYPE, CLASS_NAME);
image_initBlank(self, width, height);
return 1;
}
int l_image_gc(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
image_deinit(self);
return 0;
}
int l_image_getDimensions(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
lua_pushinteger(L, self->width);
lua_pushinteger(L, self->height);
return 2;
}
int l_image_getWidth(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
lua_pushinteger(L, self->width);
return 1;
}
int l_image_getHeight(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
lua_pushinteger(L, self->height);
return 1;
}
int l_image_getPixel(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
int x = luaL_checknumber(L, 2);
int y = luaL_checknumber(L, 3);
if (x < 0 || x >= self->width || y < 0 || y >= self->height) {
/* Return `nil` for out of bounds (same as transparent) */
lua_pushnil(L);
return 1;
} else {
/* Return `nil` if color is transparent, else return 3 channel values */
int idx = self->data[x + y * self->width];
if (idx == 0) {
lua_pushnil(L);
return 1;
} else {
int rgb[3];
palette_idxToColor(idx, rgb);
lua_pushinteger(L, rgb[0]);
lua_pushinteger(L, rgb[1]);
lua_pushinteger(L, rgb[2]);
return 3;
}
}
}
int l_image_setPixel(lua_State *L) {
image_t *self = luaobj_checkudata(L, 1, CLASS_TYPE);
int x = luaL_checknumber(L, 2);
int y = luaL_checknumber(L, 3);
if (lua_isnoneornil(L, 4)) {
/* Set transparent */
image_setPixel(self, x, y, 0);
image_setMaskPixel(self, x, y, 0xff);
} else {
/* Get color, set pixel and mask */
int r = luaL_checknumber(L, 4);
int g = luaL_checknumber(L, 5);
int b = luaL_checknumber(L, 6);
int idx = palette_colorToIdx(r, g, b);
if (idx < -1) {
luaL_error(L, "color palette exhausted: use fewer unique colors");
}
image_setPixel(self, x, y, idx);
image_setMaskPixel(self, x, y, 0x0);
}
return 0;
}
int luaopen_image(lua_State *L) {
luaL_Reg reg[] = {
{ "new", l_image_new },
{ "__gc", l_image_gc },
{ "getDimensions", l_image_getDimensions },
{ "getWidth", l_image_getWidth },
{ "getHeight", l_image_getHeight },
{ "getPixel", l_image_getPixel },
{ "setPixel", l_image_setPixel },
{ 0, 0 },
};
luaobj_newclass(L, CLASS_NAME, NULL, l_image_new, reg);
return 1;
}