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Added "[sheet" to the texture special commands. 

"[sheet:W:H: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.
This commit is contained in:
Luke Puchner-Hardman 2014-09-23 14:39:34 +02:00
parent 28438bba27
commit 56120b2da2
3 changed files with 50 additions and 4 deletions
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10
games/minimal/mods/default/init.lua
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@ -1135,8 +1135,9 @@ 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:2:2:0:0", "default_chest.png^[sheet:2:2:0:0",
"default_chest.png^[sheet:2:2:1:0", "default_chest.png^[sheet:2:2:1:0",
"default_chest.png^[sheet:2:2:1:0", "default_chest.png^[sheet:2:2:0:1"},
paramtype2 = "facedir",
groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
legacy_facedir_simple = true,
@ -1168,8 +1169,9 @@ 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:2:2:0:0", "default_chest.png^[sheet:2:2:0:0",
"default_chest.png^[sheet:2:2:1:0", "default_chest.png^[sheet:2:2:1:0",
"default_chest.png^[sheet:2:2:1:0", "default_chest.png^[sheet:2:2:1:1"},
paramtype2 = "facedir",
groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
legacy_facedir_simple = true,

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games/minimal/mods/default/textures/default_chest.png Normal file
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44
src/tile.cpp
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@ -1625,6 +1625,50 @@ bool TextureSource::generateImagePart(std::string part_of_name,
blit_with_alpha_overlay(img, baseimg, v2s32(0,0), v2s32(0,0), dim);
img->drop();
}
/*
[sheet:W:H: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(":"));
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 "