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Improve MATRIX and GTE possibilities

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jaby
2024-04-03 18:17:51 -05:00
parent 605162a55d
commit 74a483da28
3 changed files with 40 additions and 13 deletions
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16
include/PSX/GTE/gte.hpp
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@@ -202,5 +202,21 @@ namespace JabyEngine {
static void set_geom_screen(int32_t h) {
__asm__ volatile("ctc2 %0, $26" :: "r"(h));
}
// Implementations for the MATRIX struct
inline MATRIX& MATRIX :: comp(const MATRIX& matrix) {
return comp_matrix(matrix, *this, *this);
}
inline GPU::Vertex& MATRIX :: apply_to(GPU::Vertex& vertex) const {
return apply_matrix(*this, vertex, vertex);
}
inline GPU::Vertex MATRIX :: apply_to(const GPU::Vertex& vertex) const {
GPU::Vertex result;
apply_matrix(*this, vertex, result);
return result;
}
}
}

19
include/PSX/GTE/gte_types.hpp
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@@ -60,11 +60,28 @@ namespace JabyEngine {
struct MATRIX {
ROTMATRIX rotation;
TRANSFERVECTOR transfer;
TRANSFERVECTOR transfer;
static constexpr MATRIX identity() {
return MATRIX{.rotation = ROTMATRIX::identity(), .transfer = TRANSFERVECTOR::identity()};
}
static constexpr MATRIX translated(int32_t x = 0, int32_t y = 0, int32_t z = 0) {
return MATRIX{.rotation = ROTMATRIX::identity(), .transfer = TRANSFERVECTOR::translated(x, y, z)};
}
static constexpr MATRIX rotated(int32_t x_deg = 0, int32_t y_deg = 0, int32_t z_deg = 0) {
return MATRIX{.rotation = ROTMATRIX::rotated(x_deg, y_deg, z_deg), .transfer = TRANSFERVECTOR::identity()};
}
static MATRIX comp(MATRIX new_matrix, const MATRIX& matrix) {
new_matrix.comp(matrix);
return new_matrix;
}
MATRIX& comp(const MATRIX& matrix);
GPU::Vertex& apply_to(GPU::Vertex& vertex) const;
GPU::Vertex apply_to(const GPU::Vertex& vertex) const;
};
static constexpr auto one_degree = FULL_CIRCLE/360;