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/apps/demos/crawl: cleanup, document

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This commit is contained in:
veclavtalica
2025-02-25 22:20:35 +03:00
parent 9f0d15b9f6
commit 6b2901be28
3 changed files with 60 additions and 50 deletions
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74
apps/demos/crawl/data/scripts/render.lua
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@@ -1,56 +1,57 @@
-- if this is too wasteful, one could check nerby tiles to see whether faces could be visible
-- more robust solution would be to travel the level from observer point of view
function render_dungeon(dungeon)
for y = 1, dungeon.size.y do
for x = 1, dungeon.size.x do
if dungeon.grid[y][x].wall_texture ~= nil then
draw_quad {
texture = dungeon.grid[y][x].wall_texture,
v3 = { x = y, y = 1, z = x },
v2 = { x = y, y = 0, z = x },
v1 = { x = y + 1, y = 0, z = x },
v0 = { x = y + 1, y = 1, z = x },
v3 = { x = x, y = 1, z = y },
v2 = { x = x, y = 0, z = y },
v1 = { x = x + 1, y = 0, z = y },
v0 = { x = x + 1, y = 1, z = y },
texture_region = { w = 128, h = 128 },
}
draw_quad {
texture = dungeon.grid[y][x].wall_texture,
v3 = { x = y + 1, y = 1, z = x },
v2 = { x = y + 1, y = 0, z = x },
v1 = { x = y + 1, y = 0, z = x + 1 },
v0 = { x = y + 1, y = 1, z = x + 1 },
v3 = { x = x + 1, y = 1, z = y },
v2 = { x = x + 1, y = 0, z = y },
v1 = { x = x + 1, y = 0, z = y + 1 },
v0 = { x = x + 1, y = 1, z = y + 1 },
texture_region = { w = 128, h = 128 },
}
draw_quad {
texture = dungeon.grid[y][x].wall_texture,
v3 = { x = y + 1, y = 1, z = x + 1 },
v2 = { x = y + 1, y = 0, z = x + 1 },
v1 = { x = y, y = 0, z = x + 1 },
v0 = { x = y, y = 1, z = x + 1 },
v3 = { x = x + 1, y = 1, z = y + 1 },
v2 = { x = x + 1, y = 0, z = y + 1 },
v1 = { x = x, y = 0, z = y + 1 },
v0 = { x = x, y = 1, z = y + 1 },
texture_region = { w = 128, h = 128 },
}
draw_quad {
texture = dungeon.grid[y][x].wall_texture,
v3 = { x = y, y = 1, z = x + 1 },
v2 = { x = y, y = 0, z = x + 1 },
v1 = { x = y, y = 0, z = x },
v0 = { x = y, y = 1, z = x },
v3 = { x = x, y = 1, z = y + 1 },
v2 = { x = x, y = 0, z = y + 1 },
v1 = { x = x, y = 0, z = y },
v0 = { x = x, y = 1, z = y },
texture_region = { w = 128, h = 128 },
}
elseif dungeon.grid[y][x].tile_texture ~= nil then
draw_quad {
texture = dungeon.grid[y][x].tile_texture,
v0 = { x = y + 1, y = 0, z = x },
v1 = { x = y, y = 0, z = x },
v2 = { x = y, y = 0, z = x + 1 },
v3 = { x = y + 1, y = 0, z = x + 1},
v0 = { x = x + 1, y = 0, z = y },
v1 = { x = x, y = 0, z = y },
v2 = { x = x, y = 0, z = y + 1 },
v3 = { x = x + 1, y = 0, z = y + 1},
texture_region = { w = 128, h = 128 },
}
draw_quad {
texture = dungeon.grid[y][x].tile_texture,
v3 = { x = y + 1, y = 1, z = x },
v2 = { x = y, y = 1, z = x },
v1 = { x = y, y = 1, z = x + 1 },
v0 = { x = y + 1, y = 1, z = x + 1},
v3 = { x = x + 1, y = 1, z = y },
v2 = { x = x, y = 1, z = y },
v1 = { x = x, y = 1, z = y + 1 },
v0 = { x = x + 1, y = 1, z = y + 1},
texture_region = { w = 128, h = 128 },
}
end
@@ -59,24 +60,25 @@ function render_dungeon(dungeon)
if dungeon.grid[y][x].face == "horizon" then
draw_quad {
texture = dungeon.grid[y][x].face_texture,
v3 = { x = y, y = 1, z = x + 1 },
v2 = { x = y, y = 0, z = x + 1 },
v1 = { x = y + 1, y = 0, z = x + 1 },
v0 = { x = y + 1, y = 1, z = x + 1 },
texture_region = { w = 64, h = 96 },
v3 = { x = x + 1, y = 1, z = y },
v2 = { x = x + 1, y = 0, z = y },
v1 = { x = x + 1, y = 0, z = y + 1 },
v0 = { x = x + 1, y = 1, z = y + 1 },
texture_region = { w = 64, h = 64 },
}
draw_quad {
texture = dungeon.grid[y][x].face_texture,
v3 = { x = y + 1, y = 1, z = x + 1 },
v2 = { x = y + 1, y = 0, z = x + 1 },
v1 = { x = y, y = 0, z = x + 1 },
v0 = { x = y, y = 1, z = x + 1 },
texture_region = { w = 64, h = 96 },
v3 = { x = x, y = 1, z = y + 1 },
v2 = { x = x, y = 0, z = y + 1 },
v1 = { x = x, y = 0, z = y },
v0 = { x = x, y = 1, z = y },
texture_region = { w = 64, h = 64 },
}
elseif dungeon.grid[y][x].face == "observer" then
draw_billboard {
texture = dungeon.grid[y][x].face_texture,
position = { x = y + 0.5, y = 0.5, z = x + 0.5 },
position = { x = x + 0.5, y = 0.5, z = y + 0.5 },
size = { x = 0.5, y = 0.5 },
}
end