luboslenco
194 lines
6.9 KiB
TypeScript
194 lines
6.9 KiB
TypeScript
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class LineDraw {
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static color: Color = 0xffff0000;
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static strength = 0.005;
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static mat: mat4_t = null;
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static dim: vec4_t = null;
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static vertexBuffer: vertex_buffer_t;
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static indexBuffer: index_buffer_t;
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static pipeline: pipeline_t = null;
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static vp: mat4_t;
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static vpID: kinc_const_loc_t;
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static vbData: DataView;
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static ibData: Uint32Array;
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static maxLines = 300;
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static maxVertices = LineDraw.maxLines * 4;
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static maxIndices = LineDraw.maxLines * 6;
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static lines = 0;
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static render = (matrix: mat4_t) => {
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LineDraw.mat = matrix;
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LineDraw.dim = mat4_get_scale(matrix);
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if (LineDraw.pipeline == null) {
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let structure = vertex_struct_create();
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vertex_struct_add(structure, "pos", VertexData.F32_3X);
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vertex_struct_add(structure, "col", VertexData.F32_3X);
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LineDraw.pipeline = pipeline_create();
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LineDraw.pipeline.input_layout = [structure];
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LineDraw.pipeline.fragment_shader = sys_get_shader("line.frag");
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LineDraw.pipeline.vertex_shader = sys_get_shader("line.vert");
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LineDraw.pipeline.depth_write = true;
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LineDraw.pipeline.depth_mode = CompareMode.Less;
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LineDraw.pipeline.cull_mode = CullMode.None;
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LineDraw.pipeline.color_attachment_count = 3;
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LineDraw.pipeline.color_attachments[0] = TextureFormat.RGBA64;
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LineDraw.pipeline.color_attachments[1] = TextureFormat.RGBA64;
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LineDraw.pipeline.color_attachments[2] = TextureFormat.RGBA64;
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LineDraw.pipeline.depth_attachment = DepthFormat.DepthOnly;
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pipeline_compile(LineDraw.pipeline);
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LineDraw.vpID = pipeline_get_const_loc(LineDraw.pipeline, "VP");
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LineDraw.vp = mat4_identity();
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LineDraw.vertexBuffer = vertex_buffer_create(LineDraw.maxVertices, structure, Usage.DynamicUsage);
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LineDraw.indexBuffer = index_buffer_create(LineDraw.maxIndices);
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}
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LineDraw.begin();
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LineDraw.bounds(LineDraw.mat, LineDraw.dim);
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LineDraw.end();
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}
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static wpos: vec4_t;
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static vx = vec4_create();
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static vy = vec4_create();
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static vz = vec4_create();
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static bounds = (mat: mat4_t, dim: vec4_t) => {
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LineDraw.wpos = mat4_get_loc(mat);
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let dx = dim.x / 2;
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let dy = dim.y / 2;
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let dz = dim.z / 2;
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let up = mat4_up(mat);
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let look = mat4_look(mat);
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let right = mat4_right(mat);
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vec4_normalize(up);
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vec4_normalize(look);
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vec4_normalize(right);
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vec4_set_from(LineDraw.vx, right);
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vec4_mult(LineDraw.vx, dx);
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vec4_set_from(LineDraw.vy, look);
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vec4_mult(LineDraw.vy, dy);
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vec4_set_from(LineDraw.vz, up);
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vec4_mult(LineDraw.vz, dz);
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LineDraw.lineb(-1, -1, -1, 1, -1, -1);
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LineDraw.lineb(-1, 1, -1, 1, 1, -1);
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LineDraw.lineb(-1, -1, 1, 1, -1, 1);
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LineDraw.lineb(-1, 1, 1, 1, 1, 1);
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LineDraw.lineb(-1, -1, -1, -1, 1, -1);
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LineDraw.lineb(-1, -1, 1, -1, 1, 1);
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LineDraw.lineb( 1, -1, -1, 1, 1, -1);
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LineDraw.lineb( 1, -1, 1, 1, 1, 1);
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LineDraw.lineb(-1, -1, -1, -1, -1, 1);
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LineDraw.lineb(-1, 1, -1, -1, 1, 1);
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LineDraw.lineb( 1, -1, -1, 1, -1, 1);
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LineDraw.lineb( 1, 1, -1, 1, 1, 1);
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}
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static v1 = vec4_create();
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static v2 = vec4_create();
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static t = vec4_create();
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static lineb = (a: i32, b: i32, c: i32, d: i32, e: i32, f: i32) => {
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vec4_set_from(LineDraw.v1, LineDraw.wpos);
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vec4_set_from(LineDraw.t, LineDraw.vx); vec4_mult(LineDraw.t, a); vec4_add(LineDraw.v1, LineDraw.t);
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vec4_set_from(LineDraw.t, LineDraw.vy); vec4_mult(LineDraw.t, b); vec4_add(LineDraw.v1, LineDraw.t);
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vec4_set_from(LineDraw.t, LineDraw.vz); vec4_mult(LineDraw.t, c); vec4_add(LineDraw.v1, LineDraw.t);
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vec4_set_from(LineDraw.v2, LineDraw.wpos);
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vec4_set_from(LineDraw.t, LineDraw.vx); vec4_mult(LineDraw.t, d); vec4_add(LineDraw.v2, LineDraw.t);
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vec4_set_from(LineDraw.t, LineDraw.vy); vec4_mult(LineDraw.t, e); vec4_add(LineDraw.v2, LineDraw.t);
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vec4_set_from(LineDraw.t, LineDraw.vz); vec4_mult(LineDraw.t, f); vec4_add(LineDraw.v2, LineDraw.t);
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LineDraw.line(LineDraw.v1.x, LineDraw.v1.y, LineDraw.v1.z, LineDraw.v2.x, LineDraw.v2.y, LineDraw.v2.z);
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}
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static midPoint = vec4_create();
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static midLine = vec4_create();
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static corner1 = vec4_create();
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static corner2 = vec4_create();
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static corner3 = vec4_create();
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static corner4 = vec4_create();
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static cameraLook = vec4_create();
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static line = (x1: f32, y1: f32, z1: f32, x2: f32, y2: f32, z2: f32) => {
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if (LineDraw.lines >= LineDraw.maxLines) {
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LineDraw.end();
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LineDraw.begin();
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}
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vec4_set(LineDraw.midPoint, x1 + x2, y1 + y2, z1 + z2);
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vec4_mult(LineDraw.midPoint, 0.5);
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vec4_set(LineDraw.midLine, x1, y1, z1);
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vec4_sub(LineDraw.midLine, LineDraw.midPoint);
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let camera = scene_camera;
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LineDraw.cameraLook = mat4_get_loc(camera.base.transform.world);
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vec4_sub(LineDraw.cameraLook, LineDraw.midPoint);
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let lineWidth = vec4_cross(LineDraw.cameraLook, LineDraw.midLine);
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vec4_normalize(lineWidth, );
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vec4_mult(lineWidth, LineDraw.strength);
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vec4_add(vec4_set(LineDraw.corner1, x1, y1, z1), lineWidth);
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vec4_sub(vec4_set(LineDraw.corner2, x1, y1, z1), lineWidth);
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vec4_sub(vec4_set(LineDraw.corner3, x2, y2, z2), lineWidth);
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vec4_add(vec4_set(LineDraw.corner4, x2, y2, z2), lineWidth);
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let i = LineDraw.lines * 24; // 4 * 6 (structure len)
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LineDraw.addVbData(i, [LineDraw.corner1.x, LineDraw.corner1.y, LineDraw.corner1.z, color_get_rb(LineDraw.color) / 255, color_get_gb(LineDraw.color) / 255, color_get_ab(LineDraw.color) / 255]);
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i += 6;
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LineDraw.addVbData(i, [LineDraw.corner2.x, LineDraw.corner2.y, LineDraw.corner2.z, color_get_rb(LineDraw.color) / 255, color_get_gb(LineDraw.color) / 255, color_get_ab(LineDraw.color) / 255]);
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i += 6;
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LineDraw.addVbData(i, [LineDraw.corner3.x, LineDraw.corner3.y, LineDraw.corner3.z, color_get_rb(LineDraw.color) / 255, color_get_gb(LineDraw.color) / 255, color_get_ab(LineDraw.color) / 255]);
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i += 6;
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LineDraw.addVbData(i, [LineDraw.corner4.x, LineDraw.corner4.y, LineDraw.corner4.z, color_get_rb(LineDraw.color) / 255, color_get_gb(LineDraw.color) / 255, color_get_ab(LineDraw.color) / 255]);
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i = LineDraw.lines * 6;
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LineDraw.ibData[i ] = LineDraw.lines * 4;
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LineDraw.ibData[i + 1] = LineDraw.lines * 4 + 1;
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LineDraw.ibData[i + 2] = LineDraw.lines * 4 + 2;
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LineDraw.ibData[i + 3] = LineDraw.lines * 4 + 2;
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LineDraw.ibData[i + 4] = LineDraw.lines * 4 + 3;
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LineDraw.ibData[i + 5] = LineDraw.lines * 4;
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LineDraw.lines++;
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}
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static begin = () => {
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LineDraw.lines = 0;
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LineDraw.vbData = vertex_buffer_lock(LineDraw.vertexBuffer);
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LineDraw.ibData = index_buffer_lock(LineDraw.indexBuffer);
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}
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static end = () => {
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vertex_buffer_unlock(LineDraw.vertexBuffer);
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index_buffer_unlock(LineDraw.indexBuffer);
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g4_set_vertex_buffer(LineDraw.vertexBuffer);
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g4_set_index_buffer(LineDraw.indexBuffer);
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g4_set_pipeline(LineDraw.pipeline);
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let camera = scene_camera;
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mat4_set_from(LineDraw.vp, camera.v);
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mat4_mult_mat(LineDraw.vp, camera.p);
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g4_set_mat(LineDraw.vpID, LineDraw.vp);
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g4_draw(0, LineDraw.lines * 6);
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}
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static addVbData = (i: i32, data: f32[]) => {
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for (let offset = 0; offset < 6; ++offset) {
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LineDraw.vbData.setFloat32((i + offset) * 4, data[offset], true);
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}
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}
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}
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