AstralTransRocketries/ClassiCube
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3DS: Fix facing opposite direction, fix some rendered chunks getting unexpectedly frustum culled

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This commit is contained in:
UnknownShadow200 2023-07-29 20:02:29 +10:00
parent 347658254b
commit d3783eec8b
2 changed files with 39 additions and 15 deletions
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6
readme.md
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@ -268,7 +268,11 @@ Further information (e.g. style) for ClassiCube's source code can be found in th
* [MinGW-w64](http://mingw-w64.org/doku.php) - Compiles client for windows
* [Clang](https://clang.llvm.org/) - Compiles client for macOS
* [Emscripten](https://emscripten.org/) - Compiles client for web
* [RenderDoc](https://renderdoc.org/) - graphics debugging
* [RenderDoc](https://renderdoc.org/) - Graphics debugging
* [libogc](https://github.com/devkitPro/libogc) - Backend for Wii and GameCube
* [libctru](https://github.com/devkitPro/libctru) - Backend for 3DS
* [citro3D](https://github.com/devkitPro/citro3d) - Rendering backend for 3DS
* [pspsdk](https://github.com/pspdev/pspsdk) - Backend for PSP
## Sound Credits
ClassiCube uses sounds from [Freesound.org](https://freesound.org)<br>

48
src/Graphics_3DS.c
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@ -245,7 +245,7 @@ void Gfx_BindTexture(GfxResourceID texId) {
*-----------------------------------------------------State management----------------------------------------------------*
*#########################################################################################################################*/
void Gfx_SetFaceCulling(cc_bool enabled) {
C3D_CullFace(enabled ? GPU_CULL_FRONT_CCW : GPU_CULL_NONE);
C3D_CullFace(enabled ? GPU_CULL_BACK_CCW : GPU_CULL_NONE);
}
void Gfx_SetAlphaArgBlend(cc_bool enabled) { }
@ -445,26 +445,45 @@ void Gfx_SetFogMode(FogFunc func) {
static C3D_Mtx _view, _proj;
void Gfx_CalcOrthoMatrix(struct Matrix* matrix, float width, float height, float zNear, float zFar) {
Mtx_OrthoTilt(matrix, 0.0f, width, height, 0.0f, zNear, zFar, true);
// See Mtx_OrthoTilt in Citro3D for the original basis
// (it's mostly just a standard orthograph matrix rotated by 90 degrees)
Mem_Set(matrix, 0, sizeof(struct Matrix));
matrix->row2.X = -2.0f / height;
matrix->row4.X = 1.0f;
matrix->row1.Y = -2.0f / width;
matrix->row4.Y = 1.0f;
matrix->row3.Z = 1.0f / (zNear - zFar);
matrix->row4.Z = 0.5f * (zNear + zFar) / (zNear - zFar) - 0.5f;
matrix->row4.W = 1.0f;
}
void Gfx_CalcPerspectiveMatrix(struct Matrix* matrix, float fov, float aspect, float zFar) {
Mtx_PerspTilt(matrix, fov, aspect, 0.1f, zFar, true);
// See Mtx_PerspTilt in Citro3D for the original basis
// (it's mostly just a standard perspective matrix rotated by 90 degrees)
float zNear = 0.1f;
fov = tanf(fov / 2.0f);
Mem_Set(matrix, 0, sizeof(struct Matrix));
matrix->row2.X = 1.0f / fov;
matrix->row1.Y = -1.0f / (fov * aspect);
matrix->row4.Z = zFar * zNear / (zNear - zFar);
matrix->row3.W = -1.0f;
matrix->row3.Z = 1.0f * zNear / (zNear - zFar);
}
void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
if (type == MATRIX_VIEW) {
float* m = (float*)matrix;
// Transpose
for(int i = 0; i < 4; i++)
{
_view.r[i].x = m[0 + i];
_view.r[i].y = m[4 + i];
_view.r[i].z = m[8 + i];
_view.r[i].w = m[12 + i];
}
C3D_Mtx* dst = type == MATRIX_VIEW ? &_view : &_proj;
float* src = (float*)matrix;
// Transpose
for (int i = 0; i < 4; i++)
{
dst->r[i].x = src[0 + i];
dst->r[i].y = src[4 + i];
dst->r[i].z = src[8 + i];
dst->r[i].w = src[12 + i];
}
if (type == MATRIX_PROJECTION) _proj = *((C3D_Mtx*)matrix);
Mtx_Multiply(&_mvp, &_proj, &_view);
DirtyUniform(UNI_MVP_MATRIX);
@ -510,6 +529,7 @@ void Gfx_DisableTextureOffset(void) {
*---------------------------------------------------------Drawing---------------------------------------------------------*
*#########################################################################################################################*/
cc_bool Gfx_WarnIfNecessary(void) { return false; }
static void UpdateAttribFormat(VertexFormat fmt) {
C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
AttrInfo_Init(attrInfo);