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This commit is contained in:
robojumper
2025-03-17 00:36:41 +01:00
parent 4a86d9514a
commit aa9d6c1557
1 changed files with 65 additions and 4 deletions
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src/egg/gfx/eggDrawGX.cpp
+65 -4
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@@ -12,13 +12,74 @@
#include "rvl/GX/GXTypes.h"
#include "rvl/GX/GXVert.h"
#include "rvl/MTX/mtx.h"
#include "rvl/MTX/mtxvec.h"
#include "rvl/MTX/vec.h"
#include "rvl/OS/OSCache.h"
namespace {
static void DrawQuadNormal(u8, u8, u8, u8, u8) {}
static void DrawQuadLineStripNormal(u8, u8, u8, u8, u8) {}
static void DrawCircleYPolygonFan(const nw4r::math::MTX34 &mtx, f32, u16) {}
static void DrawQuadNormal(u8 x1, u8 x2, u8 x3, u8 x4, u8 y) {
GXPosition2u8(x1, y);
GXPosition2u8(x2, y);
GXPosition2u8(x3, y);
GXPosition2u8(x4, y);
}
static void DrawQuadLineStripNormal(u8 x1, u8 x2, u8 x3, u8 x4, u8 y) {
GXBegin(GX_LINESTRIP, GX_VTXFMT0, 5);
GXPosition2u8(x1, y);
GXPosition2u8(x2, y);
GXPosition2u8(x3, y);
GXPosition2u8(x4, y);
GXPosition2u8(x1, y);
}
static void DrawCircleYPolygonFan(const nw4r::math::MTX34 &mtx, f32 f, u16 numSegments) {
nw4r::math::VEC3 v1(0.0f, 1.0f, 0.0f);
nw4r::math::VEC3 v2(0.0f, f, 0.0f);
f32 stepSize = (2.0f * M_PI / numSegments);
int seg = numSegments + 1;
PSMTXMultVec(mtx, v1, v1);
PSMTXMultVec(mtx, v2, v2);
GXBegin(GX_TRIANGLEFAN, GX_VTXFMT0, seg + 1);
f32 signedStepSize = -stepSize;
GXPosition3f32(v2.x, v2.y, v2.z);
GXPosition3f32(v1.x, v1.y, v1.z);
for (int i = 0; i < seg; i++) {
nw4r::math::VEC3 v3(
0.5f * nw4r::math::SinRad(signedStepSize * i), 0.0f, 0.5f * nw4r::math::CosRad(signedStepSize * i)
);
PSMTXMultVec(mtx, v3, v3);
GXPosition3f32(v3.x, v3.y, v3.z);
nw4r::math::VEC3 v4(
0.5f * nw4r::math::SinRad(signedStepSize * (i - 1)), 0.0f,
0.5f * nw4r::math::CosRad(signedStepSize * (i - 1))
);
nw4r::math::VEC3 v5(
0.5f * nw4r::math::SinRad(signedStepSize * (i + 1)), 0.0f,
0.5f * nw4r::math::CosRad(signedStepSize * (i + 1))
);
PSMTXMultVec(mtx, v4, v4);
PSMTXMultVec(mtx, v5, v5);
v4 -= v2;
v5 -= v2;
nw4r::math::VEC3 v6;
PSVECCrossProduct(v5, v4, v6);
PSVECNormalize(v6, v6);
GXPosition3f32(v6.x, v6.y, v6.z);
}
}
} // namespace
@@ -28,7 +89,7 @@ u8 sDetailLevels[] = {10, 20};
void DrawGX::CreateDisplayList(EGG::Heap *pHeap) {
u8 ALIGN_DECL(32) tmpDisplayList[16 * 1024];
OSInitFastCast();
for (int i = 0; i < DL_MAX; i++) {