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Checkpoint 2: integrate native Editor, MCP, gameplay builds and standalone export

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Emil
2026-09-18 03:40:15 +03:00
parent 5c6b24d34d
commit 999686a896
125 changed files with 16086 additions and 1714 deletions
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src/render/math.cpp
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#include <faset/render/renderer.hpp>
#include <cmath>
#include <faset/render/renderer.hpp>
#include <stdexcept>
namespace faset::render {
namespace {
Vec3 sub(Vec3 a, Vec3 b) { return {a[0]-b[0],a[1]-b[1],a[2]-b[2]}; }
float dot(Vec3 a,Vec3 b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2];}
Vec3 cross(Vec3 a,Vec3 b){return {a[1]*b[2]-a[2]*b[1],a[2]*b[0]-a[0]*b[2],a[0]*b[1]-a[1]*b[0]};}
Vec3 unit(Vec3 a){float l=std::sqrt(dot(a,a)); if(l<1e-6f) throw std::invalid_argument("Degenerate camera axis"); return {a[0]/l,a[1]/l,a[2]/l};}
Vec3 sub(Vec3 a, Vec3 b) {
return {a[0] - b[0], a[1] - b[1], a[2] - b[2]};
}
Mat4 multiply(const Mat4& a,const Mat4& b){Mat4 r{};for(int c=0;c<4;++c)for(int y=0;y<4;++y)for(int k=0;k<4;++k)r[c*4+y]+=a[k*4+y]*b[c*4+k];return r;}
Mat4 transform(Vec3 p,Vec3 r,Vec3 s){
const float cx=std::cos(r[0]),sx=std::sin(r[0]),cy=std::cos(r[1]),sy=std::sin(r[1]),cz=std::cos(r[2]),sz=std::sin(r[2]);
Mat4 x{1,0,0,0,0,cx,sx,0,0,-sx,cx,0,0,0,0,1};
Mat4 y{cy,0,-sy,0,0,1,0,0,sy,0,cy,0,0,0,0,1};
Mat4 z{cz,sz,0,0,-sz,cz,0,0,0,0,1,0,0,0,0,1};
auto m=multiply(z,multiply(y,x));for(int c=0;c<3;++c)for(int i=0;i<3;++i)m[c*4+i]*=s[c];m[12]=p[0];m[13]=p[1];m[14]=p[2];return m;
float dot(Vec3 a, Vec3 b) {
return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
}
Mat4 perspective(float fov,float aspect,float n,float f){if(aspect<=0||n<=0||f<=n)throw std::invalid_argument("Invalid perspective volume");float q=1/std::tan(fov*.5f);return {q/aspect,0,0,0,0,-q,0,0,0,0,f/(n-f),-1,0,0,n*f/(n-f),0};}
Mat4 orthographic(float l,float r,float b,float t,float n,float f){if(r==l||t==b||f==n)throw std::invalid_argument("Invalid orthographic volume");return {2/(r-l),0,0,0,0,-2/(t-b),0,0,0,0,1/(n-f),0,-(r+l)/(r-l),(t+b)/(t-b),n/(n-f),1};}
Mat4 look_at(Vec3 e,Vec3 t,Vec3 up){auto f=unit(sub(t,e));auto s=unit(cross(f,up));auto u=cross(s,f);return {s[0],u[0],-f[0],0,s[1],u[1],-f[1],0,s[2],u[2],-f[2],0,-dot(s,e),-dot(u,e),dot(f,e),1};}
std::shared_ptr<const Mesh> cube_mesh(){static auto mesh=[](){auto m=std::make_shared<Mesh>();
const Vec3 normals[]={{0,0,1},{0,0,-1},{1,0,0},{-1,0,0},{0,1,0},{0,-1,0}};
const Vec3 points[][4]={{{-.5f,-.5f,.5f},{.5f,-.5f,.5f},{.5f,.5f,.5f},{-.5f,.5f,.5f}},{{.5f,-.5f,-.5f},{-.5f,-.5f,-.5f},{-.5f,.5f,-.5f},{.5f,.5f,-.5f}},{{.5f,-.5f,.5f},{.5f,-.5f,-.5f},{.5f,.5f,-.5f},{.5f,.5f,.5f}},{{-.5f,-.5f,-.5f},{-.5f,-.5f,.5f},{-.5f,.5f,.5f},{-.5f,.5f,-.5f}},{{-.5f,.5f,.5f},{.5f,.5f,.5f},{.5f,.5f,-.5f},{-.5f,.5f,-.5f}},{{-.5f,-.5f,-.5f},{.5f,-.5f,-.5f},{.5f,-.5f,.5f},{-.5f,-.5f,.5f}}};
for(int face=0;face<6;++face){for(auto p:points[face])m->vertices.push_back({p,normals[face],{1,1,1,1}});for(auto i:{0u,1u,2u,0u,2u,3u})m->indices.push_back(face*4+i);}return m;}();return mesh;}
Vec3 cross(Vec3 a, Vec3 b) {
return {a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]};
}
Vec3 unit(Vec3 a) {
float l = std::sqrt(dot(a, a));
if (l < 1e-6f)
throw std::invalid_argument("Degenerate camera axis");
return {a[0] / l, a[1] / l, a[2] / l};
}
} // namespace
Mat4 multiply(const Mat4& a, const Mat4& b) {
Mat4 r{};
for (int c = 0; c < 4; ++c)
for (int y = 0; y < 4; ++y)
for (int k = 0; k < 4; ++k)
r[c * 4 + y] += a[k * 4 + y] * b[c * 4 + k];
return r;
}
Mat4 transform(Vec3 p, Vec3 r, Vec3 s) {
const float cx = std::cos(r[0]), sx = std::sin(r[0]), cy = std::cos(r[1]), sy = std::sin(r[1]),
cz = std::cos(r[2]), sz = std::sin(r[2]);
Mat4 x{1, 0, 0, 0, 0, cx, sx, 0, 0, -sx, cx, 0, 0, 0, 0, 1};
Mat4 y{cy, 0, -sy, 0, 0, 1, 0, 0, sy, 0, cy, 0, 0, 0, 0, 1};
Mat4 z{cz, sz, 0, 0, -sz, cz, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
auto m = multiply(z, multiply(y, x));
for (int c = 0; c < 3; ++c)
for (int i = 0; i < 3; ++i)
m[c * 4 + i] *= s[c];
m[12] = p[0];
m[13] = p[1];
m[14] = p[2];
return m;
}
Mat4 perspective(float fov, float aspect, float n, float f) {
if (aspect <= 0 || n <= 0 || f <= n)
throw std::invalid_argument("Invalid perspective volume");
float q = 1 / std::tan(fov * .5f);
return {q / aspect, 0, 0, 0, 0, -q, 0, 0, 0, 0, f / (n - f), -1, 0, 0, n * f / (n - f), 0};
}
Mat4 orthographic(float l, float r, float b, float t, float n, float f) {
if (r == l || t == b || f == n)
throw std::invalid_argument("Invalid orthographic volume");
return {2 / (r - l), 0, 0, 0, 0, -2 / (t - b), 0,
0, 0, 0, 1 / (n - f), 0, -(r + l) / (r - l), (t + b) / (t - b),
n / (n - f), 1};
}
Mat4 look_at(Vec3 e, Vec3 t, Vec3 up) {
auto f = unit(sub(t, e));
auto s = unit(cross(f, up));
auto u = cross(s, f);
return {s[0], u[0], -f[0], 0, s[1], u[1], -f[1], 0,
s[2], u[2], -f[2], 0, -dot(s, e), -dot(u, e), dot(f, e), 1};
}
std::shared_ptr<const Mesh> cube_mesh() {
static auto mesh = []() {
auto m = std::make_shared<Mesh>();
const Vec3 normals[] = {{0, 0, 1}, {0, 0, -1}, {1, 0, 0},
{-1, 0, 0}, {0, 1, 0}, {0, -1, 0}};
const Vec3 points[][4] = {
{{-.5f, -.5f, .5f}, {.5f, -.5f, .5f}, {.5f, .5f, .5f}, {-.5f, .5f, .5f}},
{{.5f, -.5f, -.5f}, {-.5f, -.5f, -.5f}, {-.5f, .5f, -.5f}, {.5f, .5f, -.5f}},
{{.5f, -.5f, .5f}, {.5f, -.5f, -.5f}, {.5f, .5f, -.5f}, {.5f, .5f, .5f}},
{{-.5f, -.5f, -.5f}, {-.5f, -.5f, .5f}, {-.5f, .5f, .5f}, {-.5f, .5f, -.5f}},
{{-.5f, .5f, .5f}, {.5f, .5f, .5f}, {.5f, .5f, -.5f}, {-.5f, .5f, -.5f}},
{{-.5f, -.5f, -.5f}, {.5f, -.5f, -.5f}, {.5f, -.5f, .5f}, {-.5f, -.5f, .5f}}};
for (int face = 0; face < 6; ++face) {
for (auto p : points[face])
m->vertices.push_back({p, normals[face], {1, 1, 1, 1}});
for (auto i : {0u, 1u, 2u, 0u, 2u, 3u})
m->indices.push_back(face * 4 + i);
}
return m;
}();
return mesh;
}
} // namespace faset::render
src/render/render_graph.cpp
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#include <unordered_set>
#include <utility>
namespace faset::render {
void RenderGraph::import(std::string resource) { imports_.push_back(std::move(resource)); }
void RenderGraph::add(std::string name, std::vector<std::string> reads, std::vector<std::string> writes, Callback execute) {
if (name.empty() || !execute) throw std::invalid_argument("RenderGraph pass requires a name and callback");
for (const auto& pass : passes_) if (pass.name == name) throw std::invalid_argument("Duplicate RenderGraph pass: " + name);
passes_.push_back({std::move(name),std::move(reads),std::move(writes),std::move(execute)});
void RenderGraph::import(std::string resource) {
imports_.push_back(std::move(resource));
}
void RenderGraph::add(std::string name, std::vector<std::string> reads,
std::vector<std::string> writes, Callback execute) {
if (name.empty() || !execute)
throw std::invalid_argument("RenderGraph pass requires a name and callback");
for (const auto& pass : passes_)
if (pass.name == name)
throw std::invalid_argument("Duplicate RenderGraph pass: " + name);
passes_.push_back({std::move(name), std::move(reads), std::move(writes), std::move(execute)});
}
void RenderGraph::execute() const {
std::unordered_set<std::string> available(imports_.begin(), imports_.end());
// Validate the whole graph before recording any GPU work.
for (const auto& pass : passes_) {
for (const auto& resource : pass.reads)
if (!available.contains(resource)) throw std::runtime_error("RenderGraph pass '" + pass.name + "' reads uninitialized resource '" + resource + "'");
for (const auto& resource : pass.writes) available.insert(resource);
if (!available.contains(resource))
throw std::runtime_error("RenderGraph pass '" + pass.name +
"' reads uninitialized resource '" + resource + "'");
for (const auto& resource : pass.writes)
available.insert(resource);
}
for (const auto& pass : passes_) pass.callback();
for (const auto& pass : passes_)
pass.callback();
}
std::vector<std::string> RenderGraph::pass_names() const {
std::vector<std::string> result;
for (const auto& pass : passes_) result.push_back(pass.name);
for (const auto& pass : passes_)
result.push_back(pass.name);
return result;
}
}
} // namespace faset::render
src/render/renderer.cpp
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