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CGuiTextPane: Make use of std::array where applicable 

Same behavior, but with stronger typing and allows removing of a
hardcoded array size.
This commit is contained in:
Lioncash 2020-03-29 07:56:29 -04:00
parent 0aff4dc21e
commit 232ae12802
1 changed files with 25 additions and 20 deletions
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45
Runtime/GuiSys/CGuiTextPane.cpp
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@ -1,5 +1,7 @@
#include "Runtime/GuiSys/CGuiTextPane.hpp"
#include <array>
#include "Runtime/Graphics/CGraphics.hpp"
#include "Runtime/Graphics/CGraphicsPalette.hpp"
#include "Runtime/GuiSys/CFontImageDef.hpp"
@ -8,6 +10,19 @@
#include "Runtime/GuiSys/CGuiWidgetDrawParms.hpp"
namespace urde {
namespace {
constexpr std::array<zeus::CVector3f, 4> NormalPoints{{
{0.f, 0.f, -1.f},
{1.f, 0.f, -1.f},
{1.f, 0.f, 0.f},
{0.f, 0.f, 0.f},
}};
bool testProjectedLine(const zeus::CVector2f& a, const zeus::CVector2f& b, const zeus::CVector2f& point) {
const zeus::CVector2f normal = (b - a).perpendicularVector().normalized();
return point.dot(normal) >= a.dot(normal);
}
} // Anonymous namespace
CGuiTextPane::CGuiTextPane(const CGuiWidgetParms& parms, CSimplePool* sp, const zeus::CVector2f& dim,
const zeus::CVector3f& vec, CAssetId fontId, const CGuiTextProperties& props,
@ -97,32 +112,22 @@ void CGuiTextPane::Draw(const CGuiWidgetDrawParms& parms) {
#endif
}
static const zeus::CVector3f NormalPoints[] = {
{0.f, 0.f, -1.f},
{1.f, 0.f, -1.f},
{1.f, 0.f, 0.f},
{0.f, 0.f, 0.f}
};
static bool testProjectedLine(const zeus::CVector2f& a, const zeus::CVector2f& b, const zeus::CVector2f& point) {
zeus::CVector2f normal = (b - a).perpendicularVector().normalized();
return point.dot(normal) >= a.dot(normal);
}
bool CGuiTextPane::TestCursorHit(const zeus::CMatrix4f& vp, const zeus::CVector2f& point) const {
zeus::CVector2f dims = GetDimensions();
zeus::CTransform local = zeus::CTransform::Translate(xc0_verts.front().m_pos + xc8_scaleCenter) *
zeus::CTransform::Scale(dims.x(), 1.f, dims.y());
zeus::CMatrix4f mvp = vp * (x34_worldXF * local).toMatrix4f();
const zeus::CVector2f dims = GetDimensions();
const zeus::CTransform local = zeus::CTransform::Translate(xc0_verts.front().m_pos + xc8_scaleCenter) *
zeus::CTransform::Scale(dims.x(), 1.f, dims.y());
const zeus::CMatrix4f mvp = vp * (x34_worldXF * local).toMatrix4f();
zeus::CVector2f projPoints[4];
for (int i = 0; i < 4; ++i)
std::array<zeus::CVector2f, 4> projPoints;
for (size_t i = 0; i < projPoints.size(); ++i) {
projPoints[i] = mvp.multiplyOneOverW(NormalPoints[i]).toVec2f();
}
int j;
size_t j;
for (j = 0; j < 3; ++j) {
if (!testProjectedLine(projPoints[j], projPoints[j + 1], point))
if (!testProjectedLine(projPoints[j], projPoints[j + 1], point)) {
break;
}
}
return j == 3 && testProjectedLine(projPoints[3], projPoints[0], point);
}