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obj2d: generate flat arrays, use ushort for indices

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This commit is contained in:
Josh Holtrop 2013-11-19 22:46:55 -05:00
parent 6985fe462b
commit a746167957
2 changed files with 20 additions and 8 deletions
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19
obj2d.rb
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@ -7,10 +7,21 @@ float[2][] vertices = [
<%= vertices.map {|v| v[0, 2].inspect}.join(",\n ") %>
];
<% objects.each_pair do |obj_name, obj_array| %>
<% obj_array.each_with_index do |oa, index| %>
int[][][] <%= obj_name %> = [
<%= obj_array.map {|oa| "[" + oa.map {|o| o.inspect}.join(",\n ") + "]"}.join(",\n ") %>
];
ushort[<%= oa.size * oa.first.size %>] <%= obj_name %>_<%= index %> = [
<%= oa.map {|indices| indices.join(", ")}.join(",\n ") %>
];
<% end %>
ushort[][] get_<%= obj_name %>()
{
return [
<% obj_array.each_with_index do |oa, index| -%>
<%= obj_name %>_<%= index %>,
<% end -%>
];
}
<% end %>
EOF
@ -35,7 +46,7 @@ def main(obj_fname, d_fname)
end
end
File.open(d_fname, "w") do |fh|
fh.puts ERB.new(TEMPLATE, nil, "<>").result(binding)
fh.puts ERB.new(TEMPLATE, nil, "<>-").result(binding)
end
end

9
src/logo.d
View File

@ -9,13 +9,14 @@ immutable enum int WIRE = 1;
immutable enum int GENTEX = 0;
immutable enum int CORPORATION = 1;
int[][][][][] object_indices;
ushort[][][2][2] object_indices;
/* Indexed by: face/wire, word, character */
VAO[][2][2] object_vaos;
void init()
{
object_indices = [[logoobj.fg, logoobj.fc], [logoobj.lg, logoobj.lc]];
object_indices = [[logoobj.get_fg(), logoobj.get_fc()],
[logoobj.get_lg(), logoobj.get_lc()]];
Buffer vertices_buffer = new Buffer(logoobj.vertices);
for (int draw_type = FACE; draw_type <= WIRE; draw_type++)
{
@ -45,7 +46,7 @@ void draw(int draw_type, int word, int character, GLint position_idx)
glEnableVertexAttribArray(position_idx);
glVertexAttribPointer(position_idx, 2, GL_FLOAT, GL_FALSE, 0, null);
glDrawElements(draw_type == FACE ? GL_TRIANGLES : GL_LINES,
object_indices[draw_type][word].length,
GL_UNSIGNED_INT,
object_indices[draw_type][word][character].length,
GL_UNSIGNED_SHORT,
null);
}