D3DXVECTOR2/3/4, D3DXMATRIX, D3DXQUATERNION, D3DXPLANE, D3DXCOLOR with d3dx8math.inl operator semantics, plus the D3DX* functions the 2V3 slice logic uses. Covered by port.common; port_gate passes on macOS, Android, iOS and Windows (mingw). Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
// port/common: Win32 widths and MSVC CRT semantics the ported 40250 logic relies on.
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#include "common/StdAfx.h"
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#include "common/D3DXMath.h"
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#include <cmath>
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#include <cstdio>
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#include <cstdlib>
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static int g_failures = 0;
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#define CHECK(cond) \
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do { \
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if (!(cond)) { \
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std::fprintf(stderr, "%s:%d: CHECK(%s)\n", __FILE__, __LINE__, #cond); \
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++g_failures; \
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} \
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} while (0)
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int main()
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{
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// MSVC _snprintf: shorter output is terminated.
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char buf[8];
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std::memset(buf, 'x', sizeof(buf));
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CHECK(_snprintf(buf, 8, "%s", "abc") == 3);
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CHECK(std::strcmp(buf, "abc") == 0);
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// Exactly `count` bytes: written unterminated, returns count.
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std::memset(buf, 'x', sizeof(buf));
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CHECK(_snprintf(buf, 4, "%s", "abcd") == 4);
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CHECK(std::memcmp(buf, "abcdx", 5) == 0);
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// Longer: `count` bytes written unterminated, returns -1.
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std::memset(buf, 'x', sizeof(buf));
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CHECK(_snprintf(buf, 4, "%d", 123456) == -1);
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CHECK(std::memcmp(buf, "1234x", 5) == 0);
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CHECK(stricmp("PLAYER", "player") == 0);
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CHECK(_strnicmp("d:/ymir work/A", "D:/YMIR WORK/b", 12) == 0);
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char s[] = "MixEd";
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CHECK(std::strcmp(_strlwr(s), "mixed") == 0);
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CHECK(MAKELONG(0x1234, 0xABCD) == static_cast<LONG>(0xABCD1234u));
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CHECK(LOWORD(0xABCD1234u) == 0x1234 && HIWORD(0xABCD1234u) == 0xABCD);
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CHECK(MAKEWORD(0x34, 0x12) == 0x1234);
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// DWORD arithmetic wraps like the 32-bit original.
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DWORD t = 0xFFFFFFF0u;
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t += 0x20;
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CHECK(t == 0x10);
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const DWORD a = timeGetTime();
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const DWORD b = timeGetTime();
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CHECK(static_cast<DWORD>(b - a) < 1000);
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// D3DX8 math: row vectors, left-handed rotations, D3DX multiply order.
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const auto near = [](float x, float y) { return std::fabs(x - y) < 1e-5f; };
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D3DXVECTOR3 v(3.0f, 0.0f, 4.0f);
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CHECK(D3DXVec3Length(&v) == 5.0f && D3DXVec3LengthSq(&v) == 25.0f);
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D3DXVECTOR3 n;
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D3DXVec3Normalize(&n, &v);
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CHECK(near(n.x, 0.6f) && n.y == 0.0f && near(n.z, 0.8f));
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D3DXVECTOR3 zero(0.0f, 0.0f, 0.0f);
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D3DXVec3Normalize(&n, &zero);
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CHECK(n == zero);
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CHECK((v / 2.0f) == D3DXVECTOR3(1.5f, 0.0f, 2.0f) && (2.0f * v) == D3DXVECTOR3(6.0f, 0.0f, 8.0f));
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CHECK(near(D3DXToRadian(180.0f), D3DX_PI) && near(D3DXToDegree(D3DX_PI / 2.0f), 90.0f));
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D3DXMATRIX rz, tr, m;
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D3DXMatrixRotationZ(&rz, D3DX_PI / 2.0f); // x axis -> +y
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D3DXVECTOR3 p(1.0f, 0.0f, 0.0f), q;
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D3DXVec3TransformCoord(&q, &p, &rz);
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CHECK(near(q.x, 0.0f) && near(q.y, 1.0f) && near(q.z, 0.0f));
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D3DXMatrixTranslation(&tr, 10.0f, 20.0f, 30.0f);
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m = rz * tr; // rotate, then translate
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D3DXVec3TransformCoord(&q, &p, &m);
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CHECK(near(q.x, 10.0f) && near(q.y, 21.0f) && near(q.z, 30.0f));
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D3DXMATRIX inv, id;
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CHECK(D3DXMatrixInverse(&inv, nullptr, &m) != nullptr);
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D3DXMatrixMultiply(&id, &m, &inv);
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for (int i = 0; i < 4; ++i)
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for (int j = 0; j < 4; ++j)
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CHECK(near(id.m[i][j], i == j ? 1.0f : 0.0f));
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D3DXQUATERNION qz;
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D3DXVECTOR3 zAxis(0.0f, 0.0f, 1.0f);
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D3DXQuaternionRotationAxis(&qz, &zAxis, D3DX_PI / 2.0f);
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D3DXMATRIX mq;
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D3DXMatrixRotationQuaternion(&mq, &qz);
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for (int i = 0; i < 16; ++i)
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CHECK(near((&mq._11)[i], (&rz._11)[i]));
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D3DXMATRIX ypr, ypr2;
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D3DXQUATERNION qypr;
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D3DXMatrixRotationYawPitchRoll(&ypr, 0.3f, 0.5f, 0.7f);
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D3DXQuaternionRotationYawPitchRoll(&qypr, 0.3f, 0.5f, 0.7f);
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D3DXMatrixRotationQuaternion(&ypr2, &qypr);
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for (int i = 0; i < 16; ++i)
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CHECK(near((&ypr._11)[i], (&ypr2._11)[i]));
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CHECK(static_cast<DWORD>(D3DXCOLOR(0xFF804020u)) == 0xFF804020u);
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CHECK(static_cast<DWORD>(D3DXCOLOR(2.0f, -1.0f, 0.5f, 1.0f)) == 0xFFFF0080u);
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if (g_failures)
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return EXIT_FAILURE;
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std::puts("port_common_test: ok");
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return EXIT_SUCCESS;
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}
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