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tools: format most examples and tutorials, add them to v test-cleancode (#9826)
This commit is contained in:
Lukas Neubert
@ -9,10 +9,11 @@
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* TODO:
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**********************************************************************/
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module obj
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import gg.m4
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import strconv
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enum F_state{
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enum F_state {
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start
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first
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ints
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@ -24,10 +25,10 @@ enum F_state{
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// read a int from a string
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fn get_int(s string, start_index int) (int, int) {
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mut i := start_index
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mut res := 0
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mut sgn := 1
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mut i := start_index
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mut res := 0
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mut sgn := 1
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mut state := F_state.start
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for true {
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if i >= s.len {
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@ -50,20 +51,20 @@ fn get_int(s string, start_index int) (int, int) {
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`0`...`9` {
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state = .ints
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}
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` `,`\t` {
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` `, `\t` {
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i++
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continue
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}
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else{ // no number found
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else { // no number found
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break
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}
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}
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}
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if state == .ints {
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match c {
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`0`...`9` {
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//println("$res => ${(int(c) - 48)}")
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// println("$res => ${(int(c) - 48)}")
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res = res * 10 + (int(c) - 48)
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i++
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continue
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@ -73,55 +74,60 @@ fn get_int(s string, start_index int) (int, int) {
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}
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}
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}
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}
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//println("---")
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// println("---")
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return res * sgn, i
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}
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// reas a float number from a string
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fn get_float(s string, start_index int) (f64, int) {
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mut i1 := start_index //+ 1
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for i1 < s.len && s[i1] in [` `,`\t`] {
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for i1 < s.len && s[i1] in [` `, `\t`] {
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i1++
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}
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mut i := i1
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for i < s.len {
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if s[i] in [` `,`\t`] {
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if s[i] in [` `, `\t`] {
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break
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}
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i++
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}
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//println(" get_float: ($start_index,$i) [${s[start_index..i]}]")
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//f_res := strconv.atof_quick(s[start_index..i])
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}
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// println(" get_float: ($start_index,$i) [${s[start_index..i]}]")
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// f_res := strconv.atof_quick(s[start_index..i])
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f_res := strconv.atof_quick(s[i1..i])
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return f_res, i
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}
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// read 3 f32 in sequence from a string
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fn parse_3f(row string, start_index int) m4.Vec4 {
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//println(row)
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// println(row)
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mut i := start_index //+ 1
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mut f1 := f64(0)
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mut f2 := f64(0)
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f0,mut p := get_float(row,i)
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//print("Here f0: $f0 $p ")
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f1, p = get_float(row,p+1)
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//print("Here f1: $f1 $p ")
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f2, p = get_float(row,p+1)
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//print("Here f2: $f2 $p ")
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return m4.Vec4{e:[f32(f0), f32(f1), f32(f2), 1]!}
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f0, mut p := get_float(row, i)
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// print("Here f0: $f0 $p ")
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f1, p = get_float(row, p + 1)
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// print("Here f1: $f1 $p ")
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f2, p = get_float(row, p + 1)
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// print("Here f2: $f2 $p ")
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return m4.Vec4{
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e: [f32(f0), f32(f1), f32(f2), 1]!
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}
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}
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// reas a sequence of f32 from a string
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fn (mut m ObjPart) parse_floats(row string, start_index int) m4.Vec4 {
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mut i := start_index //+ 1
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mut res_f := f64(0)
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mut res := m4.Vec4{e:[f32(0), 0, 0, 1]!}
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mut c := 0
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mut i := start_index //+ 1
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mut res_f := f64(0)
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mut res := m4.Vec4{
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e: [f32(0), 0, 0, 1]!
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}
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mut c := 0
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for true {
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res_f, i = get_float(row, i)
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unsafe { res.e[c] = f32(res_f) }
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unsafe {
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res.e[c] = f32(res_f)
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}
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c++
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i++
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if i >= row.len {
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@ -133,12 +139,12 @@ fn (mut m ObjPart) parse_floats(row string, start_index int) m4.Vec4 {
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// read and manage all the faes from an .obj file data
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fn (mut p Part) parse_faces(row string, start_index int, obj ObjPart) {
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mut i := start_index + 1
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mut res := [][3]int{}
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mut v := 0
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mut t := 0
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mut n := 0
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//println("row: ${row[i..]}")
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mut i := start_index + 1
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mut res := [][3]int{}
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mut v := 0
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mut t := 0
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mut n := 0
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// println("row: ${row[i..]}")
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for true {
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t = 0
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n = 0
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@ -146,29 +152,28 @@ fn (mut p Part) parse_faces(row string, start_index int, obj ObjPart) {
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break
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}
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mut c := row[i]
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if (c > `9` || c < `0`) && c != `-`{
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if (c > `9` || c < `0`) && c != `-` {
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i++
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continue
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}
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v, i = get_int(row, i)
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if i < row.len && row[i] == `/` {
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if row[i+1] != `/` {
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t,i = get_int(row, i+1)
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if row[i + 1] != `/` {
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t, i = get_int(row, i + 1)
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if i < row.len && row[i] == `/` {
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n,i = get_int(row, i+1)
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n, i = get_int(row, i + 1)
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}
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} else {
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i++
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n,i = get_int(row, i+1)
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n, i = get_int(row, i + 1)
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}
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}
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// manage negative indexes
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// NOTE: not well suporeted now
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if v < 0 {
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//println("${obj.v.len} ${obj.v.len-c}")
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// println("${obj.v.len} ${obj.v.len-c}")
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v = obj.v.len - v + 1
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//exit(0)
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// exit(0)
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}
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if n < 0 {
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n = obj.vn.len - n + 1
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@ -176,23 +181,24 @@ fn (mut p Part) parse_faces(row string, start_index int, obj ObjPart) {
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if t < 0 {
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t = obj.vt.len - t + 1
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}
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res << [v-1,n-1,t-1]!
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res << [v - 1, n - 1, t - 1]!
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}
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//println("ok res: ${res}")
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//println(p.faces.len)
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// println("ok res: ${res}")
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// println(p.faces.len)
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p.faces << res
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}
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// parse the obj file, if single_material is true it use only one default material
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pub fn (mut obj_part ObjPart) parse_obj_buffer(rows []string, single_material bool){
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pub fn (mut obj_part ObjPart) parse_obj_buffer(rows []string, single_material bool) {
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mut mat_count := 0
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mut row_count := 0
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default_part := Part{name:"default part"}
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default_part := Part{
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name: 'default part'
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}
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obj_part.part << default_part
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//println("OBJ file has ${rows.len} rows")
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// println("OBJ file has ${rows.len} rows")
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for c, row in rows {
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//println("$c $row")
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// println("$c $row")
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mut i := 0
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row_count++
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for true {
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@ -204,32 +210,35 @@ pub fn (mut obj_part ObjPart) parse_obj_buffer(rows []string, single_material bo
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break
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}
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`m` {
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if row[i..i+6] == "mtllib" {
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obj_part.material_file = row[i+7..].trim_space()
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if row[i..i + 6] == 'mtllib' {
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obj_part.material_file = row[i + 7..].trim_space()
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obj_part.load_materials()
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}
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break
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}
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`o`, `g` {
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mut part := Part{}
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part.name = row[i+1..].trim_space()
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part.name = row[i + 1..].trim_space()
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obj_part.part << part
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mat_count = 0
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break
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}
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`u` {
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if single_material == false && row[i..i+6] == "usemtl" {
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material := row[i+7..].trim_space()
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//println("material: $material")
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if single_material == false && row[i..i + 6] == 'usemtl' {
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material := row[i + 7..].trim_space()
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// println("material: $material")
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// manage multiple materials in an part
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if obj_part.part[obj_part.part.len - 1].material.len > 0 {
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mat_count++
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mut part := Part{}
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if mat_count > 1 {
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li := obj_part.part[obj_part.part.len - 1].name.last_index("_m") or {obj_part.part[obj_part.part.len - 1].name.len - 1}
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part.name = obj_part.part[obj_part.part.len - 1].name[..li] + "_m${mat_count:02}"
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li := obj_part.part[obj_part.part.len - 1].name.last_index('_m') or {
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obj_part.part[obj_part.part.len - 1].name.len - 1
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}
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part.name = obj_part.part[obj_part.part.len - 1].name[..li] +
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'_m${mat_count:02}'
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} else {
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part.name = obj_part.part[obj_part.part.len - 1].name + "_m01"
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part.name = obj_part.part[obj_part.part.len - 1].name + '_m01'
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}
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obj_part.part << part
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}
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@ -239,54 +248,53 @@ pub fn (mut obj_part ObjPart) parse_obj_buffer(rows []string, single_material bo
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}
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`v` {
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i++
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match row[i]{
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match row[i] {
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// normals
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`n` {
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obj_part.vn << parse_3f(row, i+2)
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//println("Vertex line: $c")
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obj_part.vn << parse_3f(row, i + 2)
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// println("Vertex line: $c")
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break
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}
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// parameteres uvw
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`p` {
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obj_part.vp << parse_3f(row, i+2)
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//println("Vertex line: ${obj_part.vp.len}")
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obj_part.vp << parse_3f(row, i + 2)
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// println("Vertex line: ${obj_part.vp.len}")
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break
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}
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// texture uvw
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`t` {
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obj_part.vt << obj_part.parse_floats(row, i+2)
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//println("Vertex line: $c")
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obj_part.vt << obj_part.parse_floats(row, i + 2)
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// println("Vertex line: $c")
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break
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}
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else {
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obj_part.v << parse_3f(row, i+1)
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//println("$row => ${obj_part.v[obj_part.v.len-1]}")
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obj_part.v << parse_3f(row, i + 1)
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// println("$row => ${obj_part.v[obj_part.v.len-1]}")
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break
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}
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}
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}
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`f` {
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//println("$c $row")
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// println("$c $row")
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obj_part.part[obj_part.part.len - 1].parse_faces(row, i, obj_part)
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//println(obj_part.part[obj_part.part.len - 1].faces.len)
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//println("Faces line: $c")
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// println(obj_part.part[obj_part.part.len - 1].faces.len)
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// println("Faces line: $c")
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break
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}
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// end of the line, comments
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`\n`,`#` {
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`\n`, `#` {
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break
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}
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else{}
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else {}
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}
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i++
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}
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//if c == 2 { break }
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if c % 100000 == 0 && c > 0{
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println("$c rows parsed")
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// if c == 2 { break }
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if c % 100000 == 0 && c > 0 {
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println('$c rows parsed')
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}
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}
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println("$row_count .obj Rows parsed")
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println('$row_count .obj Rows parsed')
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// remove default part if empty
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if obj_part.part.len > 1 && obj_part.part[0].faces.len == 0 {
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obj_part.part = obj_part.part[1..]
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@ -295,10 +303,10 @@ pub fn (mut obj_part ObjPart) parse_obj_buffer(rows []string, single_material bo
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// load the materials if found the .mtl file
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fn (mut obj_part ObjPart) load_materials() {
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rows := obj.read_lines_from_file(obj_part.material_file)
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println("Material file [${obj_part.material_file}] ${rows.len} Rows.")
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rows := read_lines_from_file(obj_part.material_file)
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println('Material file [$obj_part.material_file] $rows.len Rows.')
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for row in rows {
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//println("$row")
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// println("$row")
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mut i := 0
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for true {
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if i >= row.len {
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@ -306,35 +314,37 @@ fn (mut obj_part ObjPart) load_materials() {
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}
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match row[i] {
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`n` {
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if row[i..i+6] == "newmtl" {
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name := row[i+6..].trim_space()
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mut mat := Material{name: name}
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if row[i..i + 6] == 'newmtl' {
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name := row[i + 6..].trim_space()
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mut mat := Material{
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name: name
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}
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obj_part.mat << mat
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break
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}
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}
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`K` {
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if row[i+1] !in [`a`, `d`, `e`, `s`] {
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if row[i + 1] !in [`a`, `d`, `e`, `s`] {
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break
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}
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k_name := row[i..i+2]
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k_name := row[i..i + 2]
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i += 3
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value := parse_3f(row, i)
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obj_part.mat[obj_part.mat.len - 1].ks[k_name] = value
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break
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}
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`N` {
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n_name := row[i..i+2]
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n_name := row[i..i + 2]
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i += 3
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value, _ := get_float(row, i)
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obj_part.mat[obj_part.mat.len - 1].ns[n_name] = f32(value)
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break
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}
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`m` {
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if row[i..i+4] == "map_" {
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name := row[i..i+6]
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if row[i..i + 4] == 'map_' {
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name := row[i..i + 6]
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if (i + 7) < row.len {
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file_name := row[i+7..].trim_space()
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file_name := row[i + 7..].trim_space()
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obj_part.mat[obj_part.mat.len - 1].maps[name] = file_name
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}
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break
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@ -342,33 +352,33 @@ fn (mut obj_part ObjPart) load_materials() {
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}
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// trasparency
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`d` {
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if row[i+1] == ` ` {
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value, _ := get_float(row, i+2)
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if row[i + 1] == ` ` {
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value, _ := get_float(row, i + 2)
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obj_part.mat[obj_part.mat.len - 1].ns['Tr'] = f32(value)
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}
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}
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`T` {
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if row[i+1] == `r` {
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value, _ := get_float(row, i+3)
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if row[i + 1] == `r` {
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value, _ := get_float(row, i + 3)
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obj_part.mat[obj_part.mat.len - 1].ns['Tr'] = f32(1.0 - value)
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}
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}
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// end of the line, comments
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`\n`,`#` {
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`\n`, `#` {
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break
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}
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` `,`\t` {
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` `, `\t` {
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i++
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continue
|
||||
}
|
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else{
|
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else {
|
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break
|
||||
}
|
||||
}
|
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i++
|
||||
}
|
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}
|
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|
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|
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// create map material name => material index
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for i, m in obj_part.mat {
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if m.name !in obj_part.mat_map {
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@ -376,7 +386,7 @@ fn (mut obj_part ObjPart) load_materials() {
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}
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}
|
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|
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println("Material Loading Done!")
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println('Material Loading Done!')
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}
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//==============================================================================
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@ -392,7 +402,7 @@ pub mut:
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nx f32 // normal
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ny f32
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||||
nz f32
|
||||
color u32 = 0xFFFFFFFF // color
|
||||
color u32 = 0xFFFFFFFF // color
|
||||
u f32 // uv
|
||||
v f32
|
||||
// u u16 // for compatibility with D3D11
|
||||
@ -402,33 +412,33 @@ pub mut:
|
||||
// struct used to pass the data to the sokol calls
|
||||
pub struct Skl_buffer {
|
||||
pub mut:
|
||||
vbuf []Vertex_pnct
|
||||
ibuf []u32
|
||||
vbuf []Vertex_pnct
|
||||
ibuf []u32
|
||||
n_vertex u32
|
||||
}
|
||||
|
||||
// transforms data from .obj format to buffer ready to be used in the render
|
||||
pub fn (mut obj_part ObjPart) get_buffer(in_part_list []int) Skl_buffer {
|
||||
//in_part := 0
|
||||
// in_part := 0
|
||||
mut v_count_index := 0
|
||||
mut out_buf := Skl_buffer{}
|
||||
|
||||
mut cache := map[string]int
|
||||
mut out_buf := Skl_buffer{}
|
||||
|
||||
mut cache := map[string]int{}
|
||||
mut cache_hit := 0
|
||||
|
||||
//has_normals := obj_part.vn.len > 0
|
||||
//has_uvs := obj_part.vt.len > 0
|
||||
|
||||
|
||||
// has_normals := obj_part.vn.len > 0
|
||||
// has_uvs := obj_part.vt.len > 0
|
||||
|
||||
for in_part in in_part_list {
|
||||
part := obj_part.part[in_part]
|
||||
for fc, face in part.faces {
|
||||
//println("$fc $face")
|
||||
// println("$fc $face")
|
||||
// default 3 faces
|
||||
mut v_seq := [0, 1, 2]
|
||||
if face.len == 4 {
|
||||
v_seq = [0, 1, 2, 0, 2, 3]
|
||||
}
|
||||
|
||||
|
||||
// if big faces => use the fan of triangles as solution
|
||||
// Note: this trick doesn't work with concave faces
|
||||
if face.len > 4 {
|
||||
@ -437,42 +447,42 @@ pub fn (mut obj_part ObjPart) get_buffer(in_part_list []int) Skl_buffer {
|
||||
for i < (face.len - 1) {
|
||||
v_seq << 0
|
||||
v_seq << i
|
||||
v_seq << (i + 1)
|
||||
v_seq << (i + 1)
|
||||
i++
|
||||
}
|
||||
//println("BIG FACES! ${fc} ${face.len} v_seq:${v_seq.len}")
|
||||
// println("BIG FACES! ${fc} ${face.len} v_seq:${v_seq.len}")
|
||||
}
|
||||
|
||||
|
||||
// no vertex index, generate normals
|
||||
if face[0][1] == -1 && face.len >= 3 {
|
||||
mut v_count := 0
|
||||
v0 := face[v_count + 0][0]
|
||||
v1 := face[v_count + 1][0]
|
||||
v2 := face[v_count + 2][0]
|
||||
|
||||
|
||||
vec0 := obj_part.v[v2] - obj_part.v[v1]
|
||||
vec1 := obj_part.v[v0] - obj_part.v[v1]
|
||||
tmp_normal := vec0 % vec1
|
||||
|
||||
|
||||
for v_count < face.len {
|
||||
obj_part.vn << tmp_normal
|
||||
obj_part.part[in_part].faces[fc][v_count][1] = obj_part.vn.len - 1
|
||||
v_count ++
|
||||
v_count++
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
for vertex_index in v_seq {
|
||||
// position
|
||||
if vertex_index >= face.len {
|
||||
continue
|
||||
}
|
||||
}
|
||||
v_index := face[vertex_index][0] // vertex index
|
||||
n_index := face[vertex_index][1] // normal index
|
||||
t_index := face[vertex_index][2] // uv texture index
|
||||
key := "${v_index}_${n_index}_${t_index}"
|
||||
key := '${v_index}_${n_index}_$t_index'
|
||||
if key !in cache {
|
||||
cache[key] = v_count_index
|
||||
mut pnct := Vertex_pnct {
|
||||
mut pnct := Vertex_pnct{
|
||||
x: obj_part.v[v_index].e[0]
|
||||
y: obj_part.v[v_index].e[1]
|
||||
z: obj_part.v[v_index].e[2]
|
||||
@ -486,23 +496,21 @@ pub fn (mut obj_part ObjPart) get_buffer(in_part_list []int) Skl_buffer {
|
||||
// texture uv
|
||||
if t_index >= 0 {
|
||||
pnct.u = obj_part.vt[t_index].e[0]
|
||||
pnct.v = obj_part.vt[t_index].e[1]
|
||||
pnct.v = obj_part.vt[t_index].e[1]
|
||||
}
|
||||
|
||||
|
||||
out_buf.vbuf << pnct
|
||||
out_buf.ibuf << u32(v_count_index)
|
||||
v_count_index++
|
||||
} else {
|
||||
//println("Cache used! $key")
|
||||
// println("Cache used! $key")
|
||||
out_buf.ibuf << u32(cache[key])
|
||||
cache_hit++
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
println("------------")
|
||||
for c1, x1 in out_buf.vbuf[..10] {
|
||||
@ -510,7 +518,7 @@ pub fn (mut obj_part ObjPart) get_buffer(in_part_list []int) Skl_buffer {
|
||||
}
|
||||
println(out_buf.ibuf[..10])
|
||||
*/
|
||||
//println("vbuf size: ${out_buf.vbuf.len} ibuf size: ${out_buf.ibuf.len} Cache hit: $cache_hit")
|
||||
// println("vbuf size: ${out_buf.vbuf.len} ibuf size: ${out_buf.ibuf.len} Cache hit: $cache_hit")
|
||||
out_buf.n_vertex = u32(out_buf.ibuf.len)
|
||||
return out_buf
|
||||
}
|
||||
@ -520,36 +528,36 @@ pub fn (mut obj_part ObjPart) get_buffer(in_part_list []int) Skl_buffer {
|
||||
//==============================================================================
|
||||
// print on the console the summary of the .obj model loaded
|
||||
pub fn (obj_part ObjPart) summary() {
|
||||
println("---- Stats ----")
|
||||
println("vertices: ${obj_part.v.len}")
|
||||
println("normals : ${obj_part.vn.len}")
|
||||
println("uv : ${obj_part.vt.len}")
|
||||
println("parts : ${obj_part.part.len}")
|
||||
println('---- Stats ----')
|
||||
println('vertices: $obj_part.v.len')
|
||||
println('normals : $obj_part.vn.len')
|
||||
println('uv : $obj_part.vt.len')
|
||||
println('parts : $obj_part.part.len')
|
||||
// Parts
|
||||
println("---- Parts ----")
|
||||
println('---- Parts ----')
|
||||
for c, x in obj_part.part {
|
||||
println("${c:3} [${x.name:-16}] mat:[${x.material:-10}] ${x.faces.len:7} faces")
|
||||
println('${c:3} [${x.name:-16}] mat:[${x.material:-10}] ${x.faces.len:7} faces')
|
||||
}
|
||||
// Materials
|
||||
println("---- Materials ----")
|
||||
println("Material dict: ${obj_part.mat_map.keys()}")
|
||||
println('---- Materials ----')
|
||||
println('Material dict: $obj_part.mat_map.keys()')
|
||||
for c, mat in obj_part.mat {
|
||||
println("${c:3} [${mat.name:-16}]")
|
||||
for k,v in mat.ks {
|
||||
print("$k = $v")
|
||||
println('${c:3} [${mat.name:-16}]')
|
||||
for k, v in mat.ks {
|
||||
print('$k = $v')
|
||||
}
|
||||
for k,v in mat.ns {
|
||||
println("$k = $v")
|
||||
for k, v in mat.ns {
|
||||
println('$k = $v')
|
||||
}
|
||||
for k,v in mat.maps {
|
||||
println("$k = $v")
|
||||
for k, v in mat.maps {
|
||||
println('$k = $v')
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// debug test function, do not remove.
|
||||
pub fn tst(){
|
||||
/*
|
||||
pub fn tst() {
|
||||
/*
|
||||
//fname := "capsule.obj"
|
||||
//fname := "Forklift.obj"
|
||||
fname := "cube.obj"
|
||||
@ -559,8 +567,8 @@ pub fn tst(){
|
||||
buf := os.read_lines(fname) or { panic(err.msg) }
|
||||
obj.parse_obj_buffer(buf)
|
||||
obj.summary()
|
||||
*/
|
||||
/*
|
||||
*/
|
||||
/*
|
||||
a :="f 7048 7070 7071 7072 7073 7074 7075 7076 7077 7078 7079 7080 7003"
|
||||
mut f1 := 0
|
||||
mut f2 := 0
|
||||
@ -568,20 +576,20 @@ pub fn tst(){
|
||||
f1, p = get_int(a,p)
|
||||
f2, p = get_int(a,p)
|
||||
println("res: ${f0} ${f1} ${f2}")
|
||||
*/
|
||||
/*
|
||||
*/
|
||||
/*
|
||||
a :="v -0 0.107769 -0.755914"
|
||||
println("${parse_3f(a,1)}")
|
||||
*/
|
||||
/*
|
||||
*/
|
||||
/*
|
||||
ort := m4.ortho(0,300,0,200,0,0)
|
||||
println(ort)
|
||||
a := m4.vec3(0,0,0)
|
||||
println("a: $a")
|
||||
res := m4.mul_vec(ort, a)
|
||||
println("res:\n${res}")
|
||||
*/
|
||||
s := "K 1 1 1"
|
||||
r := strconv.atof_quick(s[1..s.len-1])
|
||||
*/
|
||||
s := 'K 1 1 1'
|
||||
r := strconv.atof_quick(s[1..s.len - 1])
|
||||
println(r)
|
||||
}
|
||||
}
|
||||
|
||||
@ -9,6 +9,7 @@
|
||||
* TODO:
|
||||
**********************************************************************/
|
||||
module obj
|
||||
|
||||
import sokol.gfx
|
||||
import gg.m4
|
||||
import math
|
||||
@ -46,10 +47,10 @@ pub fn destroy_texture(sg_img C.sg_image) {
|
||||
}
|
||||
|
||||
pub fn load_texture(file_name string) C.sg_image {
|
||||
buffer := obj.read_bytes_from_file(file_name)
|
||||
buffer := read_bytes_from_file(file_name)
|
||||
stbi.set_flip_vertically_on_load(true)
|
||||
img := stbi.load_from_memory(buffer.data, buffer.len) or {
|
||||
eprintln("Texure file: [$file_name] ERROR!")
|
||||
eprintln('Texure file: [$file_name] ERROR!')
|
||||
exit(0)
|
||||
}
|
||||
res := create_texture(int(img.width), int(img.height), img.data)
|
||||
@ -82,7 +83,7 @@ pub fn (mut obj_part ObjPart) create_pipeline(in_part []int, shader C.sg_shader,
|
||||
|
||||
// index buffer
|
||||
mut index_buffer_desc := C.sg_buffer_desc{}
|
||||
unsafe {C.memset(&index_buffer_desc, 0, sizeof(index_buffer_desc))}
|
||||
unsafe { C.memset(&index_buffer_desc, 0, sizeof(index_buffer_desc)) }
|
||||
|
||||
index_buffer_desc.size = size_t(obj_buf.ibuf.len * int(sizeof(u32)))
|
||||
index_buffer_desc.data = C.sg_range{
|
||||
@ -90,8 +91,8 @@ pub fn (mut obj_part ObjPart) create_pipeline(in_part []int, shader C.sg_shader,
|
||||
size: size_t(obj_buf.ibuf.len * int(sizeof(u32)))
|
||||
}
|
||||
|
||||
index_buffer_desc.@type = .indexbuffer
|
||||
index_buffer_desc.label = "indbuf_part_${in_part:03}".str
|
||||
index_buffer_desc.@type = .indexbuffer
|
||||
index_buffer_desc.label = 'indbuf_part_${in_part:03}'.str
|
||||
ibuf := gfx.make_buffer(&index_buffer_desc)
|
||||
|
||||
mut pipdesc := C.sg_pipeline_desc{}
|
||||
@ -99,10 +100,10 @@ pub fn (mut obj_part ObjPart) create_pipeline(in_part []int, shader C.sg_shader,
|
||||
pipdesc.layout.buffers[0].stride = int(sizeof(Vertex_pnct))
|
||||
|
||||
// the constants [C.ATTR_vs_a_Position, C.ATTR_vs_a_Color, C.ATTR_vs_a_Texcoord0] are generated by sokol-shdc
|
||||
pipdesc.layout.attrs[C.ATTR_vs_a_Position].format = .float3 // x,y,z as f32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_a_Normal ].format = .float3 // x,y,z as f32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_a_Color ].format = .ubyte4n // color as u32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_a_Texcoord0 ].format = .float2 // u,v as f32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_a_Position].format = .float3 // x,y,z as f32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_a_Normal].format = .float3 // x,y,z as f32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_a_Color].format = .ubyte4n // color as u32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_a_Texcoord0].format = .float2 // u,v as f32
|
||||
// pipdesc.layout.attrs[C.ATTR_vs_a_Texcoord0].format = .short2n // u,v as u16
|
||||
pipdesc.index_type = .uint32
|
||||
|
||||
@ -130,7 +131,7 @@ pub fn (mut obj_part ObjPart) create_pipeline(in_part []int, shader C.sg_shader,
|
||||
res.bind.index_buffer = ibuf
|
||||
res.bind.fs_images[C.SLOT_tex] = texture
|
||||
res.pipeline = gfx.make_pipeline(&pipdesc)
|
||||
//println('Buffers part [$in_part] init done!')
|
||||
// println('Buffers part [$in_part] init done!')
|
||||
|
||||
return res
|
||||
}
|
||||
@ -151,10 +152,10 @@ pub fn (mut obj_part ObjPart) init_render_data(texture C.sg_image) {
|
||||
}
|
||||
}
|
||||
obj_part.rend_data.clear()
|
||||
//println("Material dict: ${obj_part.mat_map.keys()}")
|
||||
// println("Material dict: ${obj_part.mat_map.keys()}")
|
||||
|
||||
for k, v in part_dict {
|
||||
//println("$k => Parts $v")
|
||||
// println("$k => Parts $v")
|
||||
|
||||
mut txt := texture
|
||||
|
||||
@ -164,22 +165,22 @@ pub fn (mut obj_part ObjPart) init_render_data(texture C.sg_image) {
|
||||
file_name := mat_map.maps['map_Kd']
|
||||
if file_name in obj_part.texture {
|
||||
txt = obj_part.texture[file_name]
|
||||
//println("Texture [${file_name}] => from CACHE")
|
||||
// println("Texture [${file_name}] => from CACHE")
|
||||
} else {
|
||||
txt = obj.load_texture(file_name)
|
||||
txt = load_texture(file_name)
|
||||
obj_part.texture[file_name] = txt
|
||||
//println("Texture [${file_name}] => LOADED")
|
||||
// println("Texture [${file_name}] => LOADED")
|
||||
}
|
||||
}
|
||||
}
|
||||
//key := obj_part.texture.keys()[0]
|
||||
//obj_part.rend_data << obj_part.create_pipeline(v, shader, obj_part.texture[key])
|
||||
// key := obj_part.texture.keys()[0]
|
||||
// obj_part.rend_data << obj_part.create_pipeline(v, shader, obj_part.texture[key])
|
||||
obj_part.rend_data << obj_part.create_pipeline(v, shader, txt)
|
||||
}
|
||||
//println("Texture array len: ${obj_part.texture.len}")
|
||||
//println("Calc bounding box.")
|
||||
// println("Texture array len: ${obj_part.texture.len}")
|
||||
// println("Calc bounding box.")
|
||||
obj_part.calc_bbox()
|
||||
println("init_render_data DONE!")
|
||||
println('init_render_data DONE!')
|
||||
}
|
||||
|
||||
pub fn (obj_part ObjPart) bind_and_draw(rend_data_index int, in_data Shader_data) u32 {
|
||||
@ -187,7 +188,7 @@ pub fn (obj_part ObjPart) bind_and_draw(rend_data_index int, in_data Shader_data
|
||||
mut part_render_data := obj_part.rend_data[rend_data_index]
|
||||
|
||||
// pass light position
|
||||
mut tmp_fs_params := obj.Tmp_fs_param{}
|
||||
mut tmp_fs_params := Tmp_fs_param{}
|
||||
tmp_fs_params.ligth = in_data.fs_data.ligth
|
||||
|
||||
if part_render_data.material in obj_part.mat_map {
|
||||
@ -246,27 +247,47 @@ pub fn (obj_part ObjPart) bind_and_draw(rend_data_index int, in_data Shader_data
|
||||
|
||||
pub fn (obj_part ObjPart) bind_and_draw_all(in_data Shader_data) u32 {
|
||||
mut n_vert := u32(0)
|
||||
//println("Parts: ${obj_part.rend_data.len}")
|
||||
// println("Parts: ${obj_part.rend_data.len}")
|
||||
for i, _ in obj_part.rend_data {
|
||||
n_vert += obj_part.bind_and_draw(i,in_data)
|
||||
n_vert += obj_part.bind_and_draw(i, in_data)
|
||||
}
|
||||
return n_vert
|
||||
}
|
||||
|
||||
pub fn (mut obj_part ObjPart) calc_bbox() {
|
||||
obj_part.max = m4.Vec4{e:[f32(-math.max_f32), -math.max_f32, -math.max_f32, 0]!}
|
||||
obj_part.min = m4.Vec4{e:[f32( math.max_f32), math.max_f32, math.max_f32, 0]!}
|
||||
obj_part.max = m4.Vec4{
|
||||
e: [f32(-math.max_f32), -math.max_f32, -math.max_f32, 0]!
|
||||
}
|
||||
obj_part.min = m4.Vec4{
|
||||
e: [f32(math.max_f32), math.max_f32, math.max_f32, 0]!
|
||||
}
|
||||
for v in obj_part.v {
|
||||
if v.e[0] > obj_part.max.e[0] { obj_part.max.e[0] = v.e[0] }
|
||||
if v.e[1] > obj_part.max.e[1] { obj_part.max.e[1] = v.e[1] }
|
||||
if v.e[2] > obj_part.max.e[2] { obj_part.max.e[2] = v.e[2] }
|
||||
if v.e[0] > obj_part.max.e[0] {
|
||||
obj_part.max.e[0] = v.e[0]
|
||||
}
|
||||
if v.e[1] > obj_part.max.e[1] {
|
||||
obj_part.max.e[1] = v.e[1]
|
||||
}
|
||||
if v.e[2] > obj_part.max.e[2] {
|
||||
obj_part.max.e[2] = v.e[2]
|
||||
}
|
||||
|
||||
if v.e[0] < obj_part.min.e[0] { obj_part.min.e[0] = v.e[0] }
|
||||
if v.e[1] < obj_part.min.e[1] { obj_part.min.e[1] = v.e[1] }
|
||||
if v.e[2] < obj_part.min.e[2] { obj_part.min.e[2] = v.e[2] }
|
||||
if v.e[0] < obj_part.min.e[0] {
|
||||
obj_part.min.e[0] = v.e[0]
|
||||
}
|
||||
if v.e[1] < obj_part.min.e[1] {
|
||||
obj_part.min.e[1] = v.e[1]
|
||||
}
|
||||
if v.e[2] < obj_part.min.e[2] {
|
||||
obj_part.min.e[2] = v.e[2]
|
||||
}
|
||||
}
|
||||
val1 := obj_part.max.mod3()
|
||||
val2 := obj_part.min.mod3()
|
||||
if val1 > val2 { obj_part.radius = f32(val1) } else { obj_part.radius = f32(val2) }
|
||||
//println("BBox: ${obj_part.min} <=> ${obj_part.max}\nRadius: ${obj_part.radius}")
|
||||
if val1 > val2 {
|
||||
obj_part.radius = f32(val1)
|
||||
} else {
|
||||
obj_part.radius = f32(val2)
|
||||
}
|
||||
// println("BBox: ${obj_part.min} <=> ${obj_part.max}\nRadius: ${obj_part.radius}")
|
||||
}
|
||||
|
||||
@ -9,27 +9,28 @@
|
||||
* TODO:
|
||||
**********************************************************************/
|
||||
module obj
|
||||
|
||||
import gg.m4
|
||||
|
||||
// part struct mantain the fae indexes list
|
||||
pub struct Part {
|
||||
pub mut:
|
||||
faces [][][3]int // v n t index order, if -1 not available
|
||||
name string
|
||||
material string
|
||||
faces [][][3]int // v n t index order, if -1 not available
|
||||
name string
|
||||
material string
|
||||
}
|
||||
|
||||
// materias struct, all Ks and Ns are stored as maps of string
|
||||
pub struct Material {
|
||||
pub mut:
|
||||
name string
|
||||
ks map[string]m4.Vec4
|
||||
ns map[string]f32
|
||||
maps map[string]string
|
||||
name string
|
||||
ks map[string]m4.Vec4
|
||||
ns map[string]f32
|
||||
maps map[string]string
|
||||
}
|
||||
|
||||
// render data used for the rendering
|
||||
pub struct Render_data{
|
||||
pub struct Render_data {
|
||||
pub mut:
|
||||
pipeline C.sg_pipeline
|
||||
bind C.sg_bindings
|
||||
@ -40,41 +41,40 @@ pub mut:
|
||||
// base object parts struct
|
||||
pub struct ObjPart {
|
||||
pub mut:
|
||||
v []m4.Vec4 // position
|
||||
vn []m4.Vec4 // normals
|
||||
vp []m4.Vec4 // vertex params
|
||||
vt []m4.Vec4 // textures
|
||||
|
||||
name string
|
||||
part []Part // parts of the ObjPart
|
||||
mat []Material // list of the materials of the ObjPart
|
||||
mat_map map[string]int // maping material name to its material index
|
||||
texture map[string]C.sg_image // GPU loaded texture map
|
||||
material_file string // .mtl file name for the .obj
|
||||
|
||||
rend_data []Render_data // render data used for the rendering
|
||||
|
||||
t_m m4.Mat4 = m4.unit_m4() // transform matrix for this ObjPart
|
||||
//child []ObjPart // childs
|
||||
|
||||
v []m4.Vec4 // position
|
||||
vn []m4.Vec4 // normals
|
||||
vp []m4.Vec4 // vertex params
|
||||
vt []m4.Vec4 // textures
|
||||
|
||||
name string
|
||||
part []Part // parts of the ObjPart
|
||||
mat []Material // list of the materials of the ObjPart
|
||||
mat_map map[string]int // maping material name to its material index
|
||||
texture map[string]C.sg_image // GPU loaded texture map
|
||||
material_file string // .mtl file name for the .obj
|
||||
|
||||
rend_data []Render_data // render data used for the rendering
|
||||
|
||||
t_m m4.Mat4 = m4.unit_m4() // transform matrix for this ObjPart
|
||||
// child []ObjPart // childs
|
||||
// stats
|
||||
min m4.Vec4 // min 3d position in the ObjPart
|
||||
max m4.Vec4 // max 3d position in the ObjPart
|
||||
radius f32 // bounding circle radius of the ObjPart
|
||||
min m4.Vec4 // min 3d position in the ObjPart
|
||||
max m4.Vec4 // max 3d position in the ObjPart
|
||||
radius f32 // bounding circle radius of the ObjPart
|
||||
}
|
||||
|
||||
// used in to pass the matrices to the shader
|
||||
pub struct Mats {
|
||||
pub mut:
|
||||
mv m4.Mat4
|
||||
mvp m4.Mat4
|
||||
nm m4.Mat4
|
||||
mv m4.Mat4
|
||||
mvp m4.Mat4
|
||||
nm m4.Mat4
|
||||
}
|
||||
|
||||
// data passed to the vertex shader
|
||||
pub struct Tmp_vs_param {
|
||||
pub mut:
|
||||
mv m4.Mat4
|
||||
mv m4.Mat4
|
||||
mvp m4.Mat4
|
||||
nm m4.Mat4
|
||||
}
|
||||
@ -83,9 +83,15 @@ pub mut:
|
||||
pub struct Tmp_fs_param {
|
||||
pub mut:
|
||||
ligth m4.Vec4
|
||||
ka m4.Vec4 = m4.Vec4{e:[f32(0.1), 0.0, 0.0, 1.0]!}
|
||||
kd m4.Vec4 = m4.Vec4{e:[f32(0.5), 0.5, 0.5, 1.0]!}
|
||||
ks m4.Vec4 = m4.Vec4{e:[f32(1.0), 1.0, 1.0, 1.0]!}
|
||||
ka m4.Vec4 = m4.Vec4{
|
||||
e: [f32(0.1), 0.0, 0.0, 1.0]!
|
||||
}
|
||||
kd m4.Vec4 = m4.Vec4{
|
||||
e: [f32(0.5), 0.5, 0.5, 1.0]!
|
||||
}
|
||||
ks m4.Vec4 = m4.Vec4{
|
||||
e: [f32(1.0), 1.0, 1.0, 1.0]!
|
||||
}
|
||||
}
|
||||
|
||||
// shader data for the rendering
|
||||
@ -95,4 +101,4 @@ pub mut:
|
||||
vs_len int
|
||||
fs_data &Tmp_fs_param
|
||||
fs_len int
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,21 +1,22 @@
|
||||
module obj
|
||||
|
||||
import os
|
||||
|
||||
// read a file as single lines
|
||||
pub fn read_lines_from_file(file_path string) []string {
|
||||
mut path := ""
|
||||
mut path := ''
|
||||
mut rows := []string{}
|
||||
$if android {
|
||||
path = "models/"+file_path
|
||||
path = 'models/' + file_path
|
||||
bts := os.read_apk_asset(path) or {
|
||||
eprintln("File [$path] NOT FOUND!")
|
||||
eprintln('File [$path] NOT FOUND!')
|
||||
return rows
|
||||
}
|
||||
rows = bts.bytestr().split_into_lines()
|
||||
} $else {
|
||||
path = "assets/models/"+file_path
|
||||
path = 'assets/models/' + file_path
|
||||
rows = os.read_lines(path) or {
|
||||
eprintln("File [$path] NOT FOUND!")
|
||||
eprintln('File [$path] NOT FOUND!')
|
||||
return rows
|
||||
}
|
||||
}
|
||||
@ -24,20 +25,20 @@ pub fn read_lines_from_file(file_path string) []string {
|
||||
|
||||
// read a file as []byte
|
||||
pub fn read_bytes_from_file(file_path string) []byte {
|
||||
mut path := ""
|
||||
mut path := ''
|
||||
mut buffer := []byte{}
|
||||
$if android {
|
||||
path = "models/"+file_path
|
||||
path = 'models/' + file_path
|
||||
buffer = os.read_apk_asset(path) or {
|
||||
eprintln("Texure file: [$path] NOT FOUND!")
|
||||
eprintln('Texure file: [$path] NOT FOUND!')
|
||||
exit(0)
|
||||
}
|
||||
} $else {
|
||||
path = "assets/models/"+file_path
|
||||
path = 'assets/models/' + file_path
|
||||
buffer = os.read_bytes(path) or {
|
||||
eprintln("Texure file: [$path] NOT FOUND!")
|
||||
eprintln('Texure file: [$path] NOT FOUND!')
|
||||
exit(0)
|
||||
}
|
||||
}
|
||||
return buffer
|
||||
}
|
||||
}
|
||||
|
||||
@ -44,7 +44,6 @@ import sokol.sapp
|
||||
import sokol.gfx
|
||||
import sokol.sgl
|
||||
import time
|
||||
|
||||
import os
|
||||
import obj
|
||||
|
||||
@ -52,6 +51,7 @@ import obj
|
||||
|
||||
#flag -I @VMODROOT/.
|
||||
#include "gouraud.h" #Please use sokol-shdc to generate the necessary rt_glsl.h file from rt_glsl.glsl (see the instructions at the top of this file)
|
||||
|
||||
fn C.gouraud_shader_desc(gfx.Backend) &C.sg_shader_desc
|
||||
|
||||
const (
|
||||
@ -67,19 +67,16 @@ mut:
|
||||
init_flag bool
|
||||
frame_count int
|
||||
|
||||
mouse_x int = -1
|
||||
mouse_y int = -1
|
||||
scroll_y int //mouse wheel value
|
||||
|
||||
mouse_x int = -1
|
||||
mouse_y int = -1
|
||||
scroll_y int // mouse wheel value
|
||||
// time
|
||||
ticks i64
|
||||
|
||||
ticks i64
|
||||
// model
|
||||
obj_part &obj.ObjPart
|
||||
n_vertex u32
|
||||
|
||||
obj_part &obj.ObjPart
|
||||
n_vertex u32
|
||||
// init parameters
|
||||
file_name string
|
||||
file_name string
|
||||
single_material_flag bool
|
||||
}
|
||||
|
||||
@ -88,12 +85,15 @@ mut:
|
||||
******************************************************************************/
|
||||
[inline]
|
||||
fn vec4(x f32, y f32, z f32, w f32) m4.Vec4 {
|
||||
return m4.Vec4{e:[x, y, z, w]!}
|
||||
return m4.Vec4{
|
||||
e: [x, y, z, w]!
|
||||
}
|
||||
}
|
||||
|
||||
fn calc_matrices(w f32, h f32, rx f32, ry f32, in_scale f32, pos m4.Vec4) obj.Mats {
|
||||
proj := m4.perspective(60, w/h, 0.01, 100.0) // set far plane to 100 fro the zoom function
|
||||
view := m4.look_at(vec4(f32(0.0) ,0 , 6, 0), vec4(f32(0), 0, 0, 0), vec4(f32(0), 1, 0, 0))
|
||||
proj := m4.perspective(60, w / h, 0.01, 100.0) // set far plane to 100 fro the zoom function
|
||||
view := m4.look_at(vec4(f32(0.0), 0, 6, 0), vec4(f32(0), 0, 0, 0), vec4(f32(0), 1,
|
||||
0, 0))
|
||||
view_proj := view * proj
|
||||
|
||||
rxm := m4.rotate(m4.rad(rx), vec4(f32(1), 0, 0, 0))
|
||||
@ -101,14 +101,18 @@ fn calc_matrices(w f32, h f32, rx f32, ry f32, in_scale f32, pos m4.Vec4) obj.Ma
|
||||
|
||||
model_pos := m4.unit_m4().translate(pos)
|
||||
|
||||
model_m := (rym * rxm) * model_pos
|
||||
model_m := (rym * rxm) * model_pos
|
||||
scale_m := m4.scale(vec4(in_scale, in_scale, in_scale, 1))
|
||||
|
||||
mv := scale_m * model_m // model view
|
||||
mv := scale_m * model_m // model view
|
||||
nm := mv.inverse().transpose() // normal matrix
|
||||
mvp := mv * view_proj // model view projection
|
||||
mvp := mv * view_proj // model view projection
|
||||
|
||||
return obj.Mats{mv:mv, mvp:mvp, nm:nm}
|
||||
return obj.Mats{
|
||||
mv: mv
|
||||
mvp: mvp
|
||||
nm: nm
|
||||
}
|
||||
}
|
||||
|
||||
fn draw_model(app App, model_pos m4.Vec4) u32 {
|
||||
@ -117,12 +121,12 @@ fn draw_model(app App, model_pos m4.Vec4) u32 {
|
||||
}
|
||||
|
||||
ws := gg.window_size_real_pixels()
|
||||
dw := ws.width/2
|
||||
dh := ws.height/2
|
||||
dw := ws.width / 2
|
||||
dh := ws.height / 2
|
||||
|
||||
mut scale := f32(1)
|
||||
if app.obj_part.radius > 1 {
|
||||
scale = 1/(app.obj_part.radius)
|
||||
scale = 1 / (app.obj_part.radius)
|
||||
} else {
|
||||
scale = app.obj_part.radius
|
||||
}
|
||||
@ -130,29 +134,29 @@ fn draw_model(app App, model_pos m4.Vec4) u32 {
|
||||
|
||||
// *** vertex shader uniforms ***
|
||||
rot := [f32(app.mouse_y), f32(app.mouse_x)]
|
||||
mut zoom_scale := scale + f32(app.scroll_y) / (app.obj_part.radius*4)
|
||||
mats := calc_matrices(dw, dh, rot[0], rot[1] , zoom_scale, model_pos)
|
||||
mut zoom_scale := scale + f32(app.scroll_y) / (app.obj_part.radius * 4)
|
||||
mats := calc_matrices(dw, dh, rot[0], rot[1], zoom_scale, model_pos)
|
||||
|
||||
mut tmp_vs_param := obj.Tmp_vs_param{
|
||||
mv: mats.mv,
|
||||
mvp: mats.mvp,
|
||||
nm: mats.nm
|
||||
mv: mats.mv
|
||||
mvp: mats.mvp
|
||||
nm: mats.nm
|
||||
}
|
||||
|
||||
// *** fragment shader uniforms ***
|
||||
time_ticks := f32(time.ticks() - app.ticks) / 1000
|
||||
radius_light := f32(app.obj_part.radius)
|
||||
x_light := f32(math.cos(time_ticks) * radius_light)
|
||||
z_light := f32(math.sin(time_ticks) * radius_light)
|
||||
radius_light := f32(app.obj_part.radius)
|
||||
x_light := f32(math.cos(time_ticks) * radius_light)
|
||||
z_light := f32(math.sin(time_ticks) * radius_light)
|
||||
|
||||
mut tmp_fs_params := obj.Tmp_fs_param{}
|
||||
tmp_fs_params.ligth = m4.vec3(x_light, radius_light, z_light)
|
||||
|
||||
sd := obj.Shader_data{
|
||||
vs_data: &tmp_vs_param
|
||||
vs_len: int(sizeof(tmp_vs_param))
|
||||
vs_len: int(sizeof(tmp_vs_param))
|
||||
fs_data: &tmp_fs_params
|
||||
fs_len: int(sizeof(tmp_fs_params))
|
||||
fs_len: int(sizeof(tmp_fs_params))
|
||||
}
|
||||
|
||||
return app.obj_part.bind_and_draw_all(sd)
|
||||
@ -179,8 +183,8 @@ fn frame(mut app App) {
|
||||
// render the data
|
||||
draw_start_glsl(app)
|
||||
draw_model(app, m4.Vec4{})
|
||||
// uncoment if you want a raw benchmark mode
|
||||
/*
|
||||
// uncoment if you want a raw benchmark mode
|
||||
/*
|
||||
mut n_vertex_drawn := u32(0)
|
||||
n_x_obj := 20
|
||||
|
||||
@ -191,14 +195,14 @@ fn frame(mut app App) {
|
||||
}
|
||||
}
|
||||
}
|
||||
*/
|
||||
*/
|
||||
draw_end_glsl(app)
|
||||
|
||||
//println("v:$n_vertex_drawn")
|
||||
// println("v:$n_vertex_drawn")
|
||||
app.frame_count++
|
||||
}
|
||||
|
||||
fn draw_start_glsl(app App){
|
||||
fn draw_start_glsl(app App) {
|
||||
if app.init_flag == false {
|
||||
return
|
||||
}
|
||||
@ -206,7 +210,7 @@ fn draw_start_glsl(app App){
|
||||
gfx.apply_viewport(0, 0, ws.width, ws.height, true)
|
||||
}
|
||||
|
||||
fn draw_end_glsl(app App){
|
||||
fn draw_end_glsl(app App) {
|
||||
gfx.end_pass()
|
||||
gfx.commit()
|
||||
}
|
||||
@ -240,7 +244,6 @@ fn my_init(mut app App) {
|
||||
app.texture = obj.create_texture(1, 1, tmp_txt)
|
||||
free(tmp_txt)
|
||||
}
|
||||
|
||||
// glsl
|
||||
app.obj_part.init_render_data(app.texture)
|
||||
app.init_flag = true
|
||||
@ -248,11 +251,11 @@ fn my_init(mut app App) {
|
||||
|
||||
fn cleanup(mut app App) {
|
||||
gfx.shutdown()
|
||||
/*
|
||||
/*
|
||||
for _, mat in app.obj_part.texture {
|
||||
obj.destroy_texture(mat)
|
||||
}
|
||||
*/
|
||||
*/
|
||||
}
|
||||
|
||||
/******************************************************************************
|
||||
@ -280,20 +283,21 @@ fn my_event_manager(mut ev gg.Event, mut app App) {
|
||||
/******************************************************************************
|
||||
* Main
|
||||
******************************************************************************/
|
||||
[console] // is needed for easier diagnostics on windows
|
||||
// is needed for easier diagnostics on windows
|
||||
[console]
|
||||
fn main() {
|
||||
/*
|
||||
/*
|
||||
obj.tst()
|
||||
exit(0)
|
||||
*/
|
||||
*/
|
||||
|
||||
// App init
|
||||
mut app := &App{
|
||||
gg: 0
|
||||
gg: 0
|
||||
obj_part: 0
|
||||
}
|
||||
|
||||
app.file_name = "v.obj_" // default object is the v logo
|
||||
app.file_name = 'v.obj_' // default object is the v logo
|
||||
|
||||
app.single_material_flag = false
|
||||
$if !android {
|
||||
@ -302,7 +306,7 @@ fn main() {
|
||||
eprintln('file_name : name of the .obj file, it must be in the folder "assets/models"')
|
||||
eprintln(' if no file name is passed the default V logo will be showed.')
|
||||
eprintln(' if you want custom models you can put them in the folder "assets/models".')
|
||||
eprintln('single_material_flag: if true the viewer use for all the model\'s parts the default material\n')
|
||||
eprintln("single_material_flag: if true the viewer use for all the model's parts the default material\n")
|
||||
exit(0)
|
||||
}
|
||||
|
||||
@ -312,8 +316,8 @@ fn main() {
|
||||
if os.args.len >= 3 {
|
||||
app.single_material_flag = os.args[2].bool()
|
||||
}
|
||||
println("Loading model: $app.file_name")
|
||||
println("Using single material: $app.single_material_flag")
|
||||
println('Loading model: $app.file_name')
|
||||
println('Using single material: $app.single_material_flag')
|
||||
}
|
||||
|
||||
app.gg = gg.new_context(
|
||||
|
||||
@ -48,7 +48,8 @@ fn init(mut state AppState) {
|
||||
// or use DroidSerif-Regular.ttf
|
||||
if bytes := os.read_bytes(os.resource_abs_path('../assets/fonts/RobotoMono-Regular.ttf')) {
|
||||
println('loaded font: $bytes.len')
|
||||
state.font_normal = C.fonsAddFontMem(state.fons, 'sans', bytes.data, bytes.len, false)
|
||||
state.font_normal = C.fonsAddFontMem(state.fons, 'sans', bytes.data, bytes.len,
|
||||
false)
|
||||
}
|
||||
}
|
||||
|
||||
@ -101,7 +102,8 @@ fn (state &AppState) render_font() {
|
||||
C.fonsSetSize(state.fons, 20.0)
|
||||
C.fonsSetFont(state.fons, state.font_normal)
|
||||
C.fonsSetColor(state.fons, blue)
|
||||
C.fonsDrawText(state.fons, dx, dy, c'Now is the time for all good men to come to the aid of the party.', C.NULL)
|
||||
C.fonsDrawText(state.fons, dx, dy, c'Now is the time for all good men to come to the aid of the party.',
|
||||
C.NULL)
|
||||
dx = 300
|
||||
dy = 350
|
||||
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
|
||||
|
||||
@ -6,9 +6,8 @@ import sokol.sfons
|
||||
import os
|
||||
import time
|
||||
|
||||
|
||||
const (
|
||||
text = '
|
||||
text = '
|
||||
Once upon a midnight dreary, while I pondered, weak and weary,
|
||||
Over many a quaint and curious volume of forgotten lore—
|
||||
While I nodded, nearly napping, suddenly there came a tapping,
|
||||
@ -51,7 +50,7 @@ Soon again I heard a tapping somewhat louder than before.
|
||||
Let my heart be still a moment and this mystery explore;—
|
||||
’Tis the wind and nothing more!”
|
||||
'
|
||||
lines = text.split('\n')
|
||||
lines = text.split('\n')
|
||||
)
|
||||
|
||||
struct AppState {
|
||||
@ -59,7 +58,7 @@ mut:
|
||||
pass_action C.sg_pass_action
|
||||
fons &C.FONScontext
|
||||
font_normal int
|
||||
inited bool
|
||||
inited bool
|
||||
}
|
||||
|
||||
fn main() {
|
||||
@ -102,7 +101,8 @@ fn init(user_data voidptr) {
|
||||
// or use DroidSerif-Regular.ttf
|
||||
if bytes := os.read_bytes(os.resource_abs_path('../assets/fonts/RobotoMono-Regular.ttf')) {
|
||||
println('loaded font: $bytes.len')
|
||||
state.font_normal = C.fonsAddFontMem(state.fons, 'sans', bytes.data, bytes.len, false)
|
||||
state.font_normal = C.fonsAddFontMem(state.fons, 'sans', bytes.data, bytes.len,
|
||||
false)
|
||||
}
|
||||
}
|
||||
|
||||
@ -114,12 +114,11 @@ fn frame(user_data voidptr) {
|
||||
sgl.draw()
|
||||
gfx.end_pass()
|
||||
gfx.commit()
|
||||
println(time.ticks()-t)
|
||||
println(time.ticks() - t)
|
||||
}
|
||||
|
||||
const (
|
||||
|
||||
black = C.sfons_rgba(0, 0, 0, 255)
|
||||
black = C.sfons_rgba(0, 0, 0, 255)
|
||||
)
|
||||
|
||||
fn (mut state AppState) render_font() {
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
// Use of this source code is governed by an MIT license file distributed with this software package
|
||||
module particle
|
||||
|
||||
import vec2
|
||||
import particle.vec2
|
||||
import sokol.sgl
|
||||
|
||||
const (
|
||||
@ -16,9 +16,9 @@ pub fn new(location vec2.Vec2) &Particle {
|
||||
location: location
|
||||
velocity: vec2.Vec2{0, 0}
|
||||
acceleration: vec2.Vec2{0, 0}
|
||||
color: default_v_color
|
||||
life_time: default_life_time
|
||||
life_time_init: default_life_time
|
||||
color: particle.default_v_color
|
||||
life_time: particle.default_life_time
|
||||
life_time_init: particle.default_life_time
|
||||
}
|
||||
return p
|
||||
}
|
||||
@ -75,7 +75,7 @@ pub fn (mut p Particle) reset() {
|
||||
p.acceleration.zero()
|
||||
p.velocity.zero()
|
||||
// p.color = Color{93, 136, 193, 255}
|
||||
p.color = default_v_color
|
||||
p.life_time = default_life_time
|
||||
p.color = particle.default_v_color
|
||||
p.life_time = particle.default_life_time
|
||||
p.life_time_init = p.life_time
|
||||
}
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
// Use of this source code is governed by an MIT license file distributed with this software package
|
||||
module particle
|
||||
|
||||
import vec2
|
||||
import particle.vec2
|
||||
import rand
|
||||
import sokol.sgl
|
||||
|
||||
@ -14,8 +14,8 @@ pub struct System {
|
||||
width int
|
||||
height int
|
||||
mut:
|
||||
pool []&Particle
|
||||
bin []&Particle
|
||||
pool []&Particle
|
||||
bin []&Particle
|
||||
}
|
||||
|
||||
pub fn (mut s System) init(sc SystemConfig) {
|
||||
@ -82,7 +82,7 @@ pub fn (mut s System) free() {
|
||||
print(ptr_str(p) + ' ouch')
|
||||
continue
|
||||
}
|
||||
unsafe {free(p)}
|
||||
unsafe { free(p) }
|
||||
}
|
||||
s.pool.clear()
|
||||
for p in s.bin {
|
||||
|
||||
@ -20,7 +20,7 @@ pub fn (mut v Vec2) from(src Vec2) {
|
||||
|
||||
// * Addition
|
||||
// + operator overload. Adds two vectors
|
||||
pub fn (v1 Vec2) +(v2 Vec2) Vec2 {
|
||||
pub fn (v1 Vec2) + (v2 Vec2) Vec2 {
|
||||
return Vec2{v1.x + v2.x, v1.y + v2.y}
|
||||
}
|
||||
|
||||
@ -43,7 +43,7 @@ pub fn (mut v Vec2) plus_f64(scalar f64) {
|
||||
}
|
||||
|
||||
// * Subtraction
|
||||
pub fn (v1 Vec2) -(v2 Vec2) Vec2 {
|
||||
pub fn (v1 Vec2) - (v2 Vec2) Vec2 {
|
||||
return Vec2{v1.x - v2.x, v1.y - v2.y}
|
||||
}
|
||||
|
||||
@ -66,7 +66,7 @@ pub fn (mut v Vec2) subtract_f64(scalar f64) {
|
||||
}
|
||||
|
||||
// * Multiplication
|
||||
pub fn (v1 Vec2) *(v2 Vec2) Vec2 {
|
||||
pub fn (v1 Vec2) * (v2 Vec2) Vec2 {
|
||||
return Vec2{v1.x * v2.x, v1.y * v2.y}
|
||||
}
|
||||
|
||||
|
||||
@ -26,12 +26,12 @@ fn main() {
|
||||
struct App {
|
||||
pass_action C.sg_pass_action
|
||||
mut:
|
||||
width int
|
||||
height int
|
||||
frame i64
|
||||
last i64
|
||||
ps particle.System
|
||||
alpha_pip C.sgl_pipeline
|
||||
width int
|
||||
height int
|
||||
frame i64
|
||||
last i64
|
||||
ps particle.System
|
||||
alpha_pip C.sgl_pipeline
|
||||
}
|
||||
|
||||
fn (mut a App) init() {
|
||||
@ -80,7 +80,7 @@ fn init(user_data voidptr) {
|
||||
}
|
||||
sgl.setup(&sgl_desc)
|
||||
mut pipdesc := C.sg_pipeline_desc{}
|
||||
unsafe {C.memset(&pipdesc, 0, sizeof(pipdesc))}
|
||||
unsafe { C.memset(&pipdesc, 0, sizeof(pipdesc)) }
|
||||
|
||||
color_state := C.sg_color_state{
|
||||
blend: C.sg_blend_state{
|
||||
|
||||
@ -117,13 +117,12 @@ struct RIFFFormat {
|
||||
}
|
||||
|
||||
fn read_wav_file_samples(fpath string) ?[]f32 {
|
||||
|
||||
mut res := []f32{}
|
||||
// eprintln('> read_wav_file_samples: $fpath -------------------------------------------------')
|
||||
mut bytes := os.read_bytes(fpath) ?
|
||||
mut pbytes := &byte(bytes.data)
|
||||
mut offset := u32(0)
|
||||
rh := unsafe{ &RIFFHeader(pbytes) }
|
||||
rh := unsafe { &RIFFHeader(pbytes) }
|
||||
// eprintln('rh: $rh')
|
||||
if rh.riff != [byte(`R`), `I`, `F`, `F`]! {
|
||||
return error('WAV should start with `RIFF`')
|
||||
@ -141,7 +140,7 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
|
||||
break
|
||||
}
|
||||
//
|
||||
ch := unsafe{ &RIFFChunkHeader(pbytes + offset) }
|
||||
ch := unsafe { &RIFFChunkHeader(pbytes + offset) }
|
||||
offset += 8 + ch.chunk_size
|
||||
// eprintln('ch: $ch')
|
||||
// eprintln('p: $pbytes | offset: $offset | bytes.len: $bytes.len')
|
||||
@ -176,20 +175,20 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
|
||||
}
|
||||
// eprintln('`fmt ` chunk: $rf\n`data` chunk: $ch')
|
||||
mut doffset := 0
|
||||
mut dp := unsafe{ &byte(&ch.chunk_data) }
|
||||
mut dp := unsafe { &byte(&ch.chunk_data) }
|
||||
for doffset < ch.chunk_size {
|
||||
for c := 0; c < rf.nchannels; c++ {
|
||||
mut x := f32(0.0)
|
||||
mut step := 0
|
||||
ppos := unsafe { dp + doffset }
|
||||
if rf.bits_per_sample == 8 {
|
||||
d8 := unsafe{ &byte(ppos) }
|
||||
d8 := unsafe { &byte(ppos) }
|
||||
x = (f32(*d8) - 128) / 128.0
|
||||
step = 1
|
||||
doffset++
|
||||
}
|
||||
if rf.bits_per_sample == 16 {
|
||||
d16 := unsafe{ &i16(ppos) }
|
||||
d16 := unsafe { &i16(ppos) }
|
||||
x = f32(*d16) / 32768.0
|
||||
step = 2
|
||||
}
|
||||
@ -207,5 +206,4 @@ fn read_wav_file_samples(fpath string) ?[]f32 {
|
||||
}
|
||||
}
|
||||
return res
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user