renamed tri{_deriv,}_vertex.{h,cpp} to tri{_deriv,}.{h,cpp}

1 files changed, 0 insertions, 321 deletions

diff --git a/src/o3d/tri_deriv_vertex.cpp b/src/o3d/tri_deriv_vertex.cpp
deleted file mode 100644
index 3605b51..0000000
--- a/src/o3d/tri_deriv_vertex.cpp
+++ /dev/null
@@ -1,321 +0,0 @@
-#include "o3d/tri_deriv_vertex.h"
-#include <vector>
-#include "math/vector.h"
-#include "o3d/deriv_vertex.h"
-
-using namespace engine::o3d;
-
-TriangleDerivedVertex4::TriangleDerivedVertex4(DerivedVertex4 derived_vertex1, DerivedVertex4 derived_vertex2, DerivedVertex4 derived_vertex3)
-    : derived_vertex1{derived_vertex1}, derived_vertex2{derived_vertex2}, derived_vertex3{derived_vertex3} {
-}
-
-#define P1_OUT 1
-#define P2_OUT 2
-#define P3_OUT 4
-static void _perspective_crop_x(std::vector<TriangleDerivedVertex4>& tris, TriangleDerivedVertex4 t, int n, float x) {
-    switch (n) {
-    case 0:
-        tris.push_back(t);
-        break;
-    case P1_OUT:
-    case P2_OUT:
-    case P3_OUT:
-    case P2_OUT | P3_OUT:
-    case P1_OUT | P3_OUT:
-    case P1_OUT | P2_OUT:
-        {
-            DerivedVertex4* q1;
-            DerivedVertex4* q2;
-            DerivedVertex4* q3;
-            switch (n) {
-            case P1_OUT:
-            case P2_OUT | P3_OUT:
-                q1 = &t.derived_vertex1;
-                q2 = &t.derived_vertex2;
-                q3 = &t.derived_vertex3;
-                break;
-            case P2_OUT:
-            case P1_OUT | P3_OUT:
-                q1 = &t.derived_vertex2;
-                q2 = &t.derived_vertex1;
-                q3 = &t.derived_vertex3;
-                break;
-            case P3_OUT:
-            case P1_OUT | P2_OUT:
-                q1 = &t.derived_vertex3;
-                q2 = &t.derived_vertex2;
-                q3 = &t.derived_vertex1;
-                break;
-            }
-            engine::math::Vector4 dq2 = q1->point - q2->point;
-            float fac2 = (x - q2->point.x) / dq2.x;
-            float r2w = 1.f / (fac2 / q1->point.w + (1.f - fac2) / q2->point.w);
-            float fac2_b = r2w * fac2 / q1->point.w;
-            DerivedVertex4 r2{
-                {
-                    x,
-                    q2->point.y + fac2 * dq2.y,
-                    fac2_b * q1->point.z + (1.f - fac2_b) * q2->point.z,
-                    r2w
-                },
-                fac2_b * q1->b0 + (1.f - fac2_b) * q2->b0,
-                fac2_b * q1->b1 + (1.f - fac2_b) * q2->b1
-            };
-            engine::math::Vector4 dq3 = q1->point - q3->point;
-            float fac3 = (x - q3->point.x) / dq3.x;
-            float r3w = 1.f / (fac3 / q1->point.w + (1.f - fac3) / q3->point.w);
-            float fac3_b = r3w * fac3 / q1->point.w;
-            DerivedVertex4 r3{
-                {
-                    x,
-                    q3->point.y + fac3 * dq3.y,
-                    fac3_b * q1->point.z + (1.f - fac3_b) * q3->point.z,
-                    r3w
-                },
-                fac3_b * q1->b0 + (1.f - fac3_b) * q3->b0,
-                fac3_b * q1->b1 + (1.f - fac3_b) * q3->b1
-            };
-            switch (n) {
-            case P1_OUT:
-                tris.push_back({r3, *q2, *q3});
-                tris.push_back({r3, r2, *q2});
-                break;
-            case P2_OUT:
-                tris.push_back({r2, *q3, *q2});
-                tris.push_back({r2, r3, *q3});
-                break;
-            case P3_OUT:
-                tris.push_back({r2, *q3, *q2});
-                tris.push_back({r2, r3, *q3});
-                break;
-            case P2_OUT | P3_OUT:
-                tris.push_back({*q1, r2, r3});
-                break;
-            case P1_OUT | P3_OUT:
-                tris.push_back({*q1, r3, r2});
-                break;
-            case P1_OUT | P2_OUT:
-                tris.push_back({*q1, r3, r2});
-                break;
-            }
-        }
-        break;
-    case P1_OUT | P2_OUT | P3_OUT:
-        break;
-    }
-}
-
-static void _perspective_crop_y(std::vector<TriangleDerivedVertex4>& tris, TriangleDerivedVertex4 t, int n, float y) {
-    switch (n) {
-    case 0:
-        tris.push_back(t);
-        break;
-    case P1_OUT:
-    case P2_OUT:
-    case P3_OUT:
-    case P2_OUT | P3_OUT:
-    case P1_OUT | P3_OUT:
-    case P1_OUT | P2_OUT:
-        {
-            DerivedVertex4* q1;
-            DerivedVertex4* q2;
-            DerivedVertex4* q3;
-            switch (n) {
-            case P1_OUT:
-            case P2_OUT | P3_OUT:
-                q1 = &t.derived_vertex1;
-                q2 = &t.derived_vertex2;
-                q3 = &t.derived_vertex3;
-                break;
-            case P2_OUT:
-            case P1_OUT | P3_OUT:
-                q1 = &t.derived_vertex2;
-                q2 = &t.derived_vertex1;
-                q3 = &t.derived_vertex3;
-                break;
-            case P3_OUT:
-            case P1_OUT | P2_OUT:
-                q1 = &t.derived_vertex3;
-                q2 = &t.derived_vertex2;
-                q3 = &t.derived_vertex1;
-                break;
-            }
-            engine::math::Vector4 dq2 = q1->point - q2->point;
-            float fac2 = (y - q2->point.y) / dq2.y;
-            float r2w = 1.f / (fac2 / q1->point.w + (1.f - fac2) / q2->point.w);
-            float fac2_b = r2w * fac2 / q1->point.w;
-            DerivedVertex4 r2{
-                {
-                    q2->point.x + fac2 * dq2.x,
-                    y,
-                    fac2_b * q1->point.z + (1.f - fac2_b) * q2->point.z,
-                    r2w
-                },
-                fac2_b * q1->b0 + (1.f - fac2_b) * q2->b0,
-                fac2_b * q1->b1 + (1.f - fac2_b) * q2->b1
-            };
-            engine::math::Vector4 dq3 = q1->point - q3->point;
-            float fac3 = (y - q3->point.y) / dq3.y;
-            float r3w = 1.f / (fac3 / q1->point.w + (1.f - fac3) / q3->point.w);
-            float fac3_b = r3w * fac3 / q1->point.w;
-            DerivedVertex4 r3{
-                {
-                    q3->point.x + fac3 * dq3.x,
-                    y,
-                    fac3_b * q1->point.z + (1.f - fac3_b) * q3->point.z,
-                    r3w
-                },
-                fac3_b * q1->b0 + (1.f - fac3_b) * q3->b0,
-                fac3_b * q1->b1 + (1.f - fac3_b) * q3->b1
-            };
-            switch (n) {
-            case P1_OUT:
-                tris.push_back({r3, *q2, *q3});
-                tris.push_back({r3, r2, *q2});
-                break;
-            case P2_OUT:
-                tris.push_back({r2, *q3, *q2});
-                tris.push_back({r2, r3, *q3});
-                break;
-            case P3_OUT:
-                tris.push_back({r2, *q3, *q2});
-                tris.push_back({r2, r3, *q3});
-                break;
-            case P2_OUT | P3_OUT:
-                tris.push_back({*q1, r2, r3});
-                break;
-            case P1_OUT | P3_OUT:
-                tris.push_back({*q1, r3, r2});
-                break;
-            case P1_OUT | P2_OUT:
-                tris.push_back({*q1, r3, r2});
-                break;
-            }
-        }
-        break;
-    case P1_OUT | P2_OUT | P3_OUT:
-        break;
-    }
-}
-
-std::vector<TriangleDerivedVertex4> TriangleDerivedVertex4::perspective_crop_xy_out(float x1, float x2, float y1, float y2) const {
-    std::vector<TriangleDerivedVertex4> tris_final;
-    std::vector<TriangleDerivedVertex4> tris1;
-    _perspective_crop_x(tris1, *this, (derived_vertex1.point.x < x1) | ((derived_vertex2.point.x < x1) << 1) | ((derived_vertex3.point.x < x1) << 2), x1);
-    for (auto t1 : tris1) {
-        std::vector<TriangleDerivedVertex4> tris2;
-        _perspective_crop_x(tris2, t1, (t1.derived_vertex1.point.x > x2) | ((t1.derived_vertex2.point.x > x2) << 1) | ((t1.derived_vertex3.point.x > x2) << 2), x2);
-        for (auto t2 : tris2) {
-            std::vector<TriangleDerivedVertex4> tris3;
-            _perspective_crop_y(tris3, t2, (t2.derived_vertex1.point.y < y1) | ((t2.derived_vertex2.point.y < y1) << 1) | ((t2.derived_vertex3.point.y < y1) << 2), y1);
-            for (auto t3 : tris3)
-                _perspective_crop_y(tris_final, t3, (t3.derived_vertex1.point.y > y2) | ((t3.derived_vertex2.point.y > y2) << 1) | ((t3.derived_vertex3.point.y > y2) << 2), y2);
-        }
-    }
-    return tris_final;
-}
-
-static void _crop_z(std::vector<TriangleDerivedVertex4>& tris, TriangleDerivedVertex4 t, int n, float z) {
-    switch (n) {
-    case 0:
-        tris.push_back(t);
-        break;
-    case P1_OUT:
-    case P2_OUT:
-    case P3_OUT:
-    case P2_OUT | P3_OUT:
-    case P1_OUT | P3_OUT:
-    case P1_OUT | P2_OUT:
-        {
-            DerivedVertex4* q1;
-            DerivedVertex4* q2;
-            DerivedVertex4* q3;
-            switch (n) {
-            case P1_OUT:
-            case P2_OUT | P3_OUT:
-                q1 = &t.derived_vertex1;
-                q2 = &t.derived_vertex2;
-                q3 = &t.derived_vertex3;
-                break;
-            case P2_OUT:
-            case P1_OUT | P3_OUT:
-                q1 = &t.derived_vertex2;
-                q2 = &t.derived_vertex1;
-                q3 = &t.derived_vertex3;
-                break;
-            case P3_OUT:
-            case P1_OUT | P2_OUT:
-                q1 = &t.derived_vertex3;
-                q2 = &t.derived_vertex2;
-                q3 = &t.derived_vertex1;
-                break;
-            }
-            engine::math::Vector4 dq2 = q1->point - q2->point;
-            float fac2 = (z - q2->point.z) / dq2.z;
-            DerivedVertex4 r2{
-                {
-                    q2->point.x + fac2 * dq2.x,
-                    q2->point.y + fac2 * dq2.y,
-                    z,
-                    q2->point.w + fac2 * dq2.w
-                },
-                fac2 * q1->b0 + (1.f - fac2) * q2->b0,
-                fac2 * q1->b1 + (1.f - fac2) * q2->b1
-            };
-            engine::math::Vector4 dq3 = q1->point - q3->point;
-            float fac3 = (z - q3->point.z) / dq3.z;
-            DerivedVertex4 r3{
-                {
-                    q3->point.x + fac3 * dq3.x,
-                    q3->point.y + fac3 * dq3.y,
-                    z,
-                    q3->point.w + fac3 * dq3.w
-                },
-                fac3 * q1->b0 + (1.f - fac3) * q3->b0,
-                fac3 * q1->b1 + (1.f - fac3) * q3->b1
-            };
-            switch (n) {
-            case P1_OUT:
-                tris.push_back({r3, *q2, *q3});
-                tris.push_back({r3, r2, *q2});
-                break;
-            case P2_OUT:
-                tris.push_back({r2, *q3, *q2});
-                tris.push_back({r2, r3, *q3});
-                break;
-            case P3_OUT:
-                tris.push_back({r2, *q3, *q2});
-                tris.push_back({r2, r3, *q3});
-                break;
-            case P2_OUT | P3_OUT:
-                tris.push_back({*q1, r2, r3});
-                break;
-            case P1_OUT | P3_OUT:
-                tris.push_back({*q1, r3, r2});
-                break;
-            case P1_OUT | P2_OUT:
-                tris.push_back({*q1, r3, r2});
-                break;
-            }
-        }
-        break;
-    case P1_OUT | P2_OUT | P3_OUT:
-        break;
-    }
-}
-
-std::vector<TriangleDerivedVertex4> TriangleDerivedVertex4::crop_z_out(float z1, float z2) const {
-    std::vector<TriangleDerivedVertex4> tris;
-    _crop_z(tris, *this, (derived_vertex1.point.z < z1) | ((derived_vertex2.point.z < z1) << 1) | ((derived_vertex3.point.z < z1) << 2), z1);
-    std::vector<TriangleDerivedVertex4> tris2;
-    for (auto t : tris)
-        _crop_z(tris2, t, (t.derived_vertex1.point.z > z2) | ((t.derived_vertex2.point.z > z2) << 1) | ((t.derived_vertex3.point.z > z2) << 2), z2);
-    return tris2;
-}
-#undef P1_OUT
-#undef P2_OUT
-#undef P3_OUT
-
-TriangleDerivedVertex4 TriangleDerivedVertex4::div_by_w() const {
-    return {derived_vertex1.div_by_w(), derived_vertex2.div_by_w(), derived_vertex3.div_by_w()};
-}