AstralTransRocketries/Cubyz
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Add basic lighting for entity rendering.

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This commit is contained in:
IntegratedQuantum 2025-03-03 19:53:14 +01:00
parent ae4b60349e
commit b50ffa5ea7
2 changed files with 23 additions and 11 deletions
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23
assets/cubyz/shaders/entity_vertex.vs
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@ -9,7 +9,7 @@ uniform mat4 projectionMatrix;
uniform mat4 viewMatrix;
uniform vec3 ambientLight;
uniform vec3 directionalLight;
uniform int light;
uniform uint light;
struct QuadInfo {
vec3 normal;
@ -24,15 +24,18 @@ layout(std430, binding = 11) buffer _quads
QuadInfo quads[];
};
vec3 calcLight(int srgb) {
float s = (srgb >> 24) & 255;
float r = (srgb >> 16) & 255;
float g = (srgb >> 8) & 255;
float b = (srgb >> 0) & 255;
r = max(s*ambientLight.x, r);
g = max(s*ambientLight.y, g);
b = max(s*ambientLight.z, b);
return vec3(r, g, b)/255;
vec3 calcLight(uint fullLight) {
vec3 sunLight = vec3(
fullLight >> 25 & 31u,
fullLight >> 20 & 31u,
fullLight >> 15 & 31u
);
vec3 blockLight = vec3(
fullLight >> 10 & 31u,
fullLight >> 5 & 31u,
fullLight >> 0 & 31u
);
return max(sunLight*ambientLight, blockLight)/31;
}
void main() {

11
src/entity.zig
View File

@ -175,7 +175,16 @@ pub const ClientEntityManager = struct {
for(entities.items()) |ent| {
if(ent.id == game.Player.id) continue; // don't render local player
c.glUniform1i(uniforms.light, @bitCast(@as(u32, 0xffffffff))); // TODO: Lighting
const blockPos: vec.Vec3i = @intFromFloat(@floor(ent.pos));
const lightVals: [6]u8 = main.renderer.mesh_storage.getLight(blockPos[0], blockPos[1], blockPos[2]) orelse .{0} ** 6;
const light = (@as(u32, lightVals[0] >> 3) << 25 |
@as(u32, lightVals[1] >> 3) << 20 |
@as(u32, lightVals[2] >> 3) << 15 |
@as(u32, lightVals[3] >> 3) << 10 |
@as(u32, lightVals[4] >> 3) << 5 |
@as(u32, lightVals[5] >> 3) << 0);
c.glUniform1ui(uniforms.light, @bitCast(@as(u32, light)));
const pos: Vec3d = ent.getRenderPosition() - playerPos;
const modelMatrix = (Mat4f.identity()