Synthasmagoria/transformation_visualizer
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Better saving/loading

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Synthasmagoria 2026-08-27 21:52:37 +02:00
commit e6bb0cb1f7
3 changed files with 139 additions and 43 deletions
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31
project.odin
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@ -17,27 +17,28 @@ ProjectData :: struct {
version: u32,
matrix_count: u32,
matrices: []f32,
grid: Grid,
animation: Animation,
}
WriteProjectError :: union {
ProjectWriteError :: union {
os.Error,
io.Error,
}
WriteProjectErrorType :: enum {
IncompatibleVersion,
}
project_write :: proc(project: ^ProjectData, path: string) -> os.Error {
project_write :: proc(project: ^ProjectData, path: string) -> ProjectWriteError {
f := os.open(path, {.Create, .Trunc, .Write}) or_return
defer os.close(f)
w := io.to_writer(os.to_stream(f))
version: u32 = PROJECT_DATA_VERSION
header := PROJECT_DATA_HEADER
io.write_full(w, transmute([]u8)header)
io.write_ptr(w, &version, size_of(version))
io.write_ptr(w, &project.matrix_count, size_of(project.matrix_count))
io.write_ptr(w, raw_data(project.matrices), int(project.matrix_count) * 9 * size_of(f32))
io.write_full(w, transmute([]u8)header) or_return
io.write_ptr(w, &version, size_of(version)) or_return
io.write_ptr(w, &project.matrix_count, size_of(project.matrix_count)) or_return
n := io.write_ptr(w, raw_data(project.matrices), int(project.matrix_count) * 9 * size_of(f32)) or_return
fmt.println(n)
// io.write_ptr(w, &project.grid, size_of(Grid))
os.close(f)
return nil
}
@ -54,7 +55,9 @@ ProjectReadErrorType :: enum {
VersionNeedsUpgrade,
}
project_read :: proc(project: ^ProjectData, path: string, allocator: mem.Allocator) -> ProjectReadError {
import "core:fmt"
project_read :: proc(project: ^ProjectData, path: string) -> ProjectReadError {
f := os.open(path, {.Read}) or_return
defer os.close(f)
r := io.to_reader(os.to_stream(f))
@ -71,7 +74,9 @@ project_read :: proc(project: ^ProjectData, path: string, allocator: mem.Allocat
return ProjectReadErrorType.VersionNeedsUpgrade
}
_ = io.read_ptr(r, &project.matrix_count, size_of(project.matrix_count)) or_return
project.matrices = make([]f32, size_of(f32) * int(project.matrix_count) * 9)
_ = io.read_ptr(r, raw_data(project.matrices), size_of(f32) * len(project.matrices)) or_return
n := io.read_ptr(r, raw_data(project.matrices), size_of(f32) * len(project.matrices)) or_return
fmt.println(n)
// _ = io.read_ptr(r, &project.grid, size_of(Grid)) or_return
// _ = io.read_ptr(r, &project.animation, size_of(Animation)) or_return
return nil
}