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jaby
2023-12-18 16:12:13 -05:00
parent 3996680e7e
commit 6568bfcd7d
2 changed files with 65 additions and 17 deletions
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39
include/PSX/GPU/gpu_types.hpp
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@@ -15,7 +15,15 @@ namespace JabyEngine {
}
constexpr T add(S dx, S dy) const {
return T(static_cast<const T*>(this)->x, static_cast<const T*>(this)->y).add(dx, dy);
return T::create(static_cast<const T*>(this)->x, static_cast<const T*>(this)->y).add(dx, dy);
}
constexpr T& add(const T& offset) {
return add(offset.x, offset.y);
}
constexpr T add(const T& offset) const {
return add(offset.x, offset.y);
}
constexpr T& sub(S dx, S dy) {
@@ -29,6 +37,14 @@ namespace JabyEngine {
return T::create(static_cast<const T*>(this)->x, static_cast<const T*>(this)->y).sub(dx, dy);
}
constexpr T& sub(const T& offset) {
return sub(offset.x, offset.y);
}
constexpr T sub(const T& offset) const {
return sub(offset.x, offset.y);
}
constexpr T& move(S dx, S dy) {
return this->add(dx, dy);
}
@@ -160,6 +176,22 @@ namespace JabyEngine {
// Type used for primitives
typedef PositionI16 Vertex;
template<typename T, typename S>
static constexpr T tile_id_for(S id, S row_count, Size<S> size) {
const auto x = id%row_count;
const auto y = id/row_count;
return T::create(static_cast<S>(size.width*x), static_cast<S>(size.height*y));
}
template<typename T, typename S>
static constexpr T tile_id_for16(S id) {
const auto x = id&0xF;
const auto y = id >> 4;
return T::create(static_cast<S>(x << 4), static_cast<S>(y << 4));
}
template<typename T>
struct Area {
Position<T> position;
@@ -201,10 +233,7 @@ namespace JabyEngine {
}
static constexpr PageOffset from_tile_id(int16_t id, int16_t row_count, SizeI16 size) {
const auto x = id%row_count;
const auto y = id/row_count;
return PageOffset::create(static_cast<int16_t>(size.width*x), static_cast<int16_t>(size.height*y));
return tile_id_for<PageOffset>(id, row_count, size);
}
};