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milestone: GL 客户端构建运行成功（zig cc + go-gl）——窗口/世界/渲染/HUD 全链路 12 秒无崩溃；修复越界查询与编码损坏

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This commit is contained in:
NianGao Dev
2026-08-15 23:39:43 +08:00
parent 2f71900e37
commit 355fa200a6
8176 changed files with 1114054 additions and 30 deletions
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12
internal/render/mesh_gl.go
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@@ -86,7 +86,7 @@ func (cg *chunkGL) destroy() {
// DrawChunks 绘制全部区块网格（三 pass，渲染.md §6）。
// chunks：本帧要绘制的区块（已由视锥剔除过滤）。
func (r *Renderer) DrawChunks(cx, cz func(i int) (int32, int32), n int) {
func (r *Renderer) DrawChunks(get func(i int) (int32, int32), n int) {
gl.UseProgram(r.prog)
gl.ActiveTexture(gl.TEXTURE0)
gl.BindTexture(gl.TEXTURE_2D, r.atlas)
@@ -99,21 +99,21 @@ func (r *Renderer) DrawChunks(cx, cz func(i int) (int32, int32), n int) {
// pass 1+2：不透明与 cutout（alpha test，不排序）
gl.Uniform1f(cutLoc, 0)
drawPass(r, n, cx, cz, false, false)
drawPass(r, get, n, false, false)
gl.Uniform1f(cutLoc, 1)
drawPass(r, n, cx, cz, false, true)
drawPass(r, get, n, false, true)
// pass 3：半透明（关闭深度写入，远→近排序由调用方保证顺序）
gl.Uniform1f(cutLoc, 0)
gl.DepthMask(false)
drawPass(r, n, cx, cz, true, false)
drawPass(r, get, n, true, false)
gl.DepthMask(true)
gl.BindVertexArray(0)
}
// drawPass 按通道绘制。
func drawPass(r *Renderer, n int, cx, cz func(i int) (int32, int32), translucent, cutout bool) {
func drawPass(r *Renderer, get func(i int) (int32, int32), n int, translucent, cutout bool) {
for i := 0; i < n; i++ {
x, z := cx(i), cz(i)
x, z := get(i)
cg, ok := r.chunks[chunkKey(x, z)]
if !ok {
continue

6
internal/render/renderer.go
View File

@@ -164,7 +164,7 @@ func (r *Renderer) SetAtlas(img image.Image) {
gl.BindTexture(gl.TEXTURE_2D, r.atlas)
b := img.Bounds()
w, h := int32(b.Dx()), int32(b.Dy())
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, w, h, 0, gl.RGBA, gl.UNSIGNED_BYTE, imageBytes(img))
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, w, h, 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(imageBytes(img)))
gl.GenerateMipmap(gl.TEXTURE_2D)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
@@ -172,7 +172,7 @@ func (r *Renderer) SetAtlas(img image.Image) {
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)
}
// imageBytes 把 image.Image 转 RGBA 字节流（预乘无关紧要）。
// imageBytes 把 image.Image 转 RGBA 字节流。
func imageBytes(img image.Image) []byte {
b := img.Bounds()
out := make([]byte, 0, b.Dx()*b.Dy()*4)
@@ -237,4 +237,4 @@ void main() {
float b = max(sky, blk * 0.9 + 0.06);
fragColor = vec4(c.rgb * b, c.a);
}
`
`