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Added "[sheet" to the texture special commands.

"[sheet:WxH:X,Y" assumes the base image is a tilesheet with W*H tiles
on it and crops to the tile at position X,Y.  Basically it works
like "[verticalframe" but in 2D.

For testing, I combined the four default_chest images into one.
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lupuchard authored and sfan5 committed Sep 23, 2014
1 parent 523f0e8 commit 7057c196c442ff3484b53f48d940f4c9e0ffe23a
@@ -403,6 +403,11 @@ Apply a mask to the base image.

The mask is applied using binary AND.

#### `[sheet:<w>x<h>:<x>,<y>`
Retrieves a tile at position x,y from the base image
which it assumes to be a tilesheet with dimensions w,h.


#### `[colorize:<color>:<ratio>`
Colorize the textures with the given color.
`<color>` is specified as a `ColorString`.
@@ -1130,8 +1130,9 @@ minetest.register_node("default:sign_wall", {

minetest.register_node("default:chest", {
description = "Chest",
tiles ={"default_chest_top.png", "default_chest_top.png", "default_chest_side.png",
"default_chest_side.png", "default_chest_side.png", "default_chest_front.png"},
tiles ={"default_chest.png^[sheet:2x2:0,0", "default_chest.png^[sheet:2x2:0,0",
"default_chest.png^[sheet:2x2:1,0", "default_chest.png^[sheet:2x2:1,0",
"default_chest.png^[sheet:2x2:1,0", "default_chest.png^[sheet:2x2:0,1"},
paramtype2 = "facedir",
groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
legacy_facedir_simple = true,
@@ -1164,8 +1165,9 @@ end

minetest.register_node("default:chest_locked", {
description = "Locked Chest",
tiles ={"default_chest_top.png", "default_chest_top.png", "default_chest_side.png",
"default_chest_side.png", "default_chest_side.png", "default_chest_lock.png"},
tiles ={"default_chest.png^[sheet:2x2:0,0", "default_chest.png^[sheet:2x2:0,0",
"default_chest.png^[sheet:2x2:1,0", "default_chest.png^[sheet:2x2:1,0",
"default_chest.png^[sheet:2x2:1,0", "default_chest.png^[sheet:2x2:1,1"},
paramtype2 = "facedir",
groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
legacy_facedir_simple = true,
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@@ -1827,6 +1827,49 @@ bool TextureSource::generateImagePart(std::string part_of_name,
baseimg->setPixel(x, y, c);
}
}
/*
[sheet:WxH:X,Y
Retrieves a tile at position X,Y (in tiles)
from the base image it assumes to be a
tilesheet with dimensions W,H (in tiles).
*/
else if (part_of_name.substr(0,7) == "[sheet:") {
if (baseimg == NULL) {
errorstream << "generateImagePart(): baseimg != NULL "
<< "for part_of_name=\"" << part_of_name
<< "\", cancelling." << std::endl;
return false;
}

Strfnd sf(part_of_name);
sf.next(":");
u32 w0 = stoi(sf.next("x"));
u32 h0 = stoi(sf.next(":"));
u32 x0 = stoi(sf.next(","));
u32 y0 = stoi(sf.next(":"));

core::dimension2d<u32> img_dim = baseimg->getDimension();
core::dimension2d<u32> tile_dim(v2u32(img_dim) / v2u32(w0, h0));

video::IImage *img = driver->createImage(
video::ECF_A8R8G8B8, tile_dim);
if (!img) {
errorstream << "generateImagePart(): Could not create image "
<< "for part_of_name=\"" << part_of_name
<< "\", cancelling." << std::endl;
return false;
}

img->fill(video::SColor(0,0,0,0));
v2u32 vdim(tile_dim);
core::rect<s32> rect(v2s32(x0 * vdim.X, y0 * vdim.Y), tile_dim);
baseimg->copyToWithAlpha(img, v2s32(0), rect,
video::SColor(255,255,255,255), NULL);

// Replace baseimg
baseimg->drop();
baseimg = img;
}
else
{
errorstream << "generateImagePart(): Invalid "

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