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Mesh chunks

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paula
2026-03-13 09:30:41 -03:00
parent e890c561cd
commit 9db229dde4
6 changed files with 141 additions and 54 deletions
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client/renderer/core.ts
+39 -5
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@@ -9,13 +9,14 @@ const VERTS_PER_SPRITE = 6;
const FLOATS_PER_VERT = 9;
let program: WebGLProgram;
let buffer: WebGLBuffer;
let main_buffer: WebGLBuffer;
const vertex_data = new Float32Array(MAX_SPRITES * VERTS_PER_SPRITE * FLOATS_PER_VERT);
let vert_index = 0;
let pos_loc: GLint;
let uv_loc: GLint;
let color_loc: GLint;
let texture_loc: WebGLUniformLocation | null;
let mvp_loc: WebGLUniformLocation | null;
let col_diffuse_loc: WebGLUniformLocation | null;
@@ -75,8 +76,8 @@ export function init_window(canvas_element: HTMLCanvasElement) {
program = create_program(vertex_src, fragment_src);
buffer = gl.createBuffer()!;
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
main_buffer = gl.createBuffer()!;
gl.bindBuffer(gl.ARRAY_BUFFER, main_buffer);
const stride = FLOATS_PER_VERT * 4;
@@ -88,7 +89,7 @@ export function init_window(canvas_element: HTMLCanvasElement) {
gl.enableVertexAttribArray(uv_loc);
gl.vertexAttribPointer(uv_loc, 2, gl.FLOAT, false, stride, 12);
const color_loc = gl.getAttribLocation(program, "vertexColor");
color_loc = gl.getAttribLocation(program, "vertexColor");
gl.enableVertexAttribArray(color_loc);
gl.vertexAttribPointer(color_loc, 4, gl.FLOAT, false, stride, 20);
@@ -153,6 +154,9 @@ export function begin_mode_3d(new_camera: Camera) {
gl.enable(gl.DEPTH_TEST);
gl.enable(gl.CULL_FACE);
gl.depthMask(true);
gl.enable(gl.POLYGON_OFFSET_FILL);
gl.polygonOffset(1, 1);
update_camera();
}
@@ -167,6 +171,8 @@ export function end_mode_3d() {
mode3d = false;
gl.disable(gl.DEPTH_TEST);
gl.disable(gl.CULL_FACE);
gl.depthMask(false);
gl.disable(gl.POLYGON_OFFSET_FILL);
}
export function clear_background(r: number, g: number, b: number, a = 1) {
@@ -179,7 +185,7 @@ export function flush_batch() {
return;
}
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
gl.bindBuffer(gl.ARRAY_BUFFER, main_buffer);
gl.bufferData(gl.ARRAY_BUFFER, vertex_data.subarray(0, vert_index), gl.STREAM_DRAW);
if (mode3d) {
@@ -188,6 +194,11 @@ export function flush_batch() {
gl.uniformMatrix4fv(mvp_loc, false, ortho);
}
const stride = FLOATS_PER_VERT * 4;
gl.vertexAttribPointer(pos_loc, 3, gl.FLOAT, false, stride, 0);
gl.vertexAttribPointer(uv_loc, 2, gl.FLOAT, false, stride, 12);
gl.vertexAttribPointer(color_loc, 4, gl.FLOAT, false, stride, 20);
gl.uniform4f(col_diffuse_loc, 1, 1, 1, 1);
gl.activeTexture(gl.TEXTURE0);
@@ -199,6 +210,29 @@ export function flush_batch() {
vert_index = 0;
}
export function flush_buffer(buffer: WebGLBuffer, draw_count: number) {
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
if (mode3d) {
gl.uniformMatrix4fv(mvp_loc, false, mvp);
} else {
gl.uniformMatrix4fv(mvp_loc, false, ortho);
}
const stride = FLOATS_PER_VERT * 4;
gl.vertexAttribPointer(pos_loc, 3, gl.FLOAT, false, stride, 0);
gl.vertexAttribPointer(uv_loc, 2, gl.FLOAT, false, stride, 12);
gl.vertexAttribPointer(color_loc, 4, gl.FLOAT, false, stride, 20);
gl.uniform4f(col_diffuse_loc, 1, 1, 1, 1);
gl.activeTexture(gl.TEXTURE0);
gl.bindTexture(gl.TEXTURE_2D, current_texture);
gl.uniform1i(texture_loc, 0);
gl.drawArrays(gl.TRIANGLES, 0, draw_count);
}
export function resize_canvas() {
const width = self.innerWidth;
const height = self.innerHeight;