mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-09-21 12:52:43 +02:00
188 lines
6.7 KiB
Plaintext
188 lines
6.7 KiB
Plaintext
function __3dSurfaceExtrude(surface = noone, height = noone, smooth = false) : __3dObject() constructor {
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VF = global.VF_POS_NORM_TEX_COL;
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render_type = pr_trianglelist;
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self.surface = surface;
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self.height = height;
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self.smooth = smooth;
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surface_w = 1;
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surface_h = 1;
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normal_draw_size = 0.05;
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static getHeight = function(h, gw, gh, i, j) {
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gml_pragma("forceinline");
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var _i = round(i * gw);
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var _j = round(j * gh);
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_i = clamp(_i, 0, array_length(h) - 1);
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_j = clamp(_j, 0, array_length(h[_i]) - 1);
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return h[_i][_j];
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}
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static initModel = function() {
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if(!is_surface(surface)) return;
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var _surface = surface;
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var _height = height;
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var ww = surface_get_width_safe(_surface);
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var hh = surface_get_height_safe(_surface);
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surface_w = ww;
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surface_h = hh;
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var ap = ww / hh;
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var tw = ap / ww;
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var th = 1 / hh;
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var sw = -ap / 2;
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var sh = 0.5;
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var useH = is_surface(_height);
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var fw = 1 / ww;
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var fh = 1 / hh;
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#region ---- data prepare ----
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if(smooth) {
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var ts = surface_create(ww, hh);
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surface_set_shader(ts, sh_3d_extrude_filler);
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shader_set_f("dimension", ww, hh);
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draw_surface(_surface, 0, 0);
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surface_reset_shader();
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_surface = ts;
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if(useH) {
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var ds = surface_create(ww, hh);
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surface_set_shader(ds, sh_3d_extrude_filler_depth);
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shader_set_f("dimension", ww, hh);
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draw_surface(_height, 0, 0);
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surface_reset_shader();
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_height = ds;
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}
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}
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if(useH) {
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var hgw = surface_get_width_safe(_height);
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var hgh = surface_get_height_safe(_height);
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var hgtW = hgw / ww;
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var hgtH = hgh / hh;
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var height_buffer = buffer_create(hgw * hgh * 4, buffer_fixed, 2);
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buffer_get_surface(height_buffer, _height, 0);
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buffer_seek(height_buffer, buffer_seek_start, 0);
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var hei = array_create(hgw, hgh);
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for( var j = 0; j < hgh; j++ )
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for( var i = 0; i < hgw; i++ ) {
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var cc = buffer_read(height_buffer, buffer_u32);
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var _b = colorBrightness(cc & ~0b11111111);
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hei[i][j] = _b;
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}
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buffer_delete(height_buffer);
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}
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var surface_buffer = buffer_create(ww * hh * 4, buffer_fixed, 2);
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buffer_get_surface(surface_buffer, _surface, 0);
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buffer_seek(surface_buffer, buffer_seek_start, 0);
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var v = ds_list_create();
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var ap = array_create(ww, hh);
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for( var j = 0; j < hh; j++ )
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for( var i = 0; i < ww; i++ ) {
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var cc = buffer_read(surface_buffer, buffer_u32);
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var _a = (cc & (0b11111111 << 24)) >> 24;
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ap[i][j] = _a;
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}
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buffer_delete(surface_buffer);
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#endregion
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for( var i = 0; i < ww; i++ )
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for( var j = 0; j < hh; j++ ) {
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if(!smooth && ap[i][j] == 0) continue;
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var i0 = sw + i * tw;
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var j0 = sh - j * th;
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var i1 = i0 + tw;
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var j1 = j0 - th;
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var tx0 = fw * i, tx1 = tx0 + fw;
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var ty0 = fh * j, ty1 = ty0 + fh;
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var dep = (useH? getHeight(hei, hgtW, hgtH, i, j) : 1) * 0.5;
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ds_list_add(v, new __vertex(i1, j0, -dep).setNormal(0, 0, -1).setUV(tx1, ty0));
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ds_list_add(v, new __vertex(i0, j0, -dep).setNormal(0, 0, -1).setUV(tx0, ty0));
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ds_list_add(v, new __vertex(i1, j1, -dep).setNormal(0, 0, -1).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i1, j1, -dep).setNormal(0, 0, -1).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i0, j0, -dep).setNormal(0, 0, -1).setUV(tx0, ty0));
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ds_list_add(v, new __vertex(i0, j1, -dep).setNormal(0, 0, -1).setUV(tx0, ty1));
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ds_list_add(v, new __vertex(i1, j0, dep).setNormal(0, 0, 1).setUV(tx1, ty0));
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ds_list_add(v, new __vertex(i1, j1, dep).setNormal(0, 0, 1).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i0, j0, dep).setNormal(0, 0, 1).setUV(tx0, ty0));
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ds_list_add(v, new __vertex(i1, j1, dep).setNormal(0, 0, 1).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i0, j1, dep).setNormal(0, 0, 1).setUV(tx0, ty1));
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ds_list_add(v, new __vertex(i0, j0, dep).setNormal(0, 0, 1).setUV(tx0, ty0));
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if((useH && dep * 2 > getHeight(hei, hgtW, hgtH, i, j - 1)) || (j == 0 || ap[i][j - 1] == 0)) { //y side
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ds_list_add(v, new __vertex(i0, j0, dep).setNormal(0, 1, 0).setUV(tx1, ty0));
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ds_list_add(v, new __vertex(i0, j0, -dep).setNormal(0, 1, 0).setUV(tx0, ty0));
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ds_list_add(v, new __vertex(i1, j0, dep).setNormal(0, 1, 0).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i0, j0, -dep).setNormal(0, 1, 0).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i1, j0, -dep).setNormal(0, 1, 0).setUV(tx0, ty0));
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ds_list_add(v, new __vertex(i1, j0, dep).setNormal(0, 1, 0).setUV(tx0, ty1));
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}
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if((useH && dep * 2 > getHeight(hei, hgtW, hgtH, i, j + 1)) || (j == hh - 1 || ap[i][j + 1] == 0)) { //y side
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ds_list_add(v, new __vertex(i0, j1, dep).setNormal(0, -1, 0).setUV(tx1, ty0));
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ds_list_add(v, new __vertex(i1, j1, dep).setNormal(0, -1, 0).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i0, j1, -dep).setNormal(0, -1, 0).setUV(tx0, ty0));
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ds_list_add(v, new __vertex(i0, j1, -dep).setNormal(0, -1, 0).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i1, j1, dep).setNormal(0, -1, 0).setUV(tx0, ty1));
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ds_list_add(v, new __vertex(i1, j1, -dep).setNormal(0, -1, 0).setUV(tx0, ty0));
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}
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if((useH && dep * 2 > getHeight(hei, hgtW, hgtH, i - 1, j)) || (i == 0 || ap[i - 1][j] == 0)) { //x side
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ds_list_add(v, new __vertex(i0, j0, dep).setNormal(-1, 0, 0).setUV(tx1, ty0));
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ds_list_add(v, new __vertex(i0, j1, dep).setNormal(-1, 0, 0).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i0, j0, -dep).setNormal(-1, 0, 0).setUV(tx0, ty0));
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ds_list_add(v, new __vertex(i0, j0, -dep).setNormal(-1, 0, 0).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i0, j1, dep).setNormal(-1, 0, 0).setUV(tx0, ty1));
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ds_list_add(v, new __vertex(i0, j1, -dep).setNormal(-1, 0, 0).setUV(tx0, ty0));
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}
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if((useH && dep * 2 > getHeight(hei, hgtW, hgtH, i + 1, j)) || (i == ww - 1 || ap[i + 1][j] == 0)) { //x side
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ds_list_add(v, new __vertex(i1, j0, dep).setNormal(1, 0, 0).setUV(tx1, ty0));
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ds_list_add(v, new __vertex(i1, j0, -dep).setNormal(1, 0, 0).setUV(tx0, ty0));
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ds_list_add(v, new __vertex(i1, j1, dep).setNormal(1, 0, 0).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i1, j0, -dep).setNormal(1, 0, 0).setUV(tx1, ty1));
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ds_list_add(v, new __vertex(i1, j1, -dep).setNormal(1, 0, 0).setUV(tx0, ty0));
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ds_list_add(v, new __vertex(i1, j1, dep).setNormal(1, 0, 0).setUV(tx0, ty1));
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}
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}
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if(smooth) {
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surface_free(_surface);
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if(useH) surface_free(_height);
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}
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vertex = [ ds_list_to_array(v) ];
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ds_list_destroy(v);
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VB = build();
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} initModel();
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static onParameterUpdate = initModel;
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} |