40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
#include "Render/RendererViewport.h"
|
|
|
|
#include <bit>
|
|
#include <cmath>
|
|
|
|
// OFFSET: 0x0055F6A0
|
|
// FUNCTION: fn_02118
|
|
void RendererViewport::SetSize(
|
|
int columns,
|
|
int rows,
|
|
const float& projectionScale,
|
|
float& heightScale,
|
|
float& tangent,
|
|
float& cotangent
|
|
) {
|
|
this->height = rows;
|
|
this->centerX = columns / 2;
|
|
this->width = columns;
|
|
this->centerY = rows / 2;
|
|
const float aspect = static_cast<float>(rows) / static_cast<float>(columns);
|
|
this->aspect = aspect;
|
|
const float narrow = static_cast<float>(std::tan(0.13089966773986816));
|
|
this->scaleY = static_cast<float>(rows / 2) / narrow;
|
|
const float wide = static_cast<float>(std::tan(1.4398963451385498));
|
|
this->clipCenterY = rows / 2;
|
|
this->clipCenterX = columns / 2;
|
|
this->vertical = wide;
|
|
this->horizontal = wide * aspect;
|
|
this->scaleX = (static_cast<float>(columns / 2) / narrow) * aspect;
|
|
this->uiScaleX = static_cast<float>(columns) / 640.0f;
|
|
const float height = (static_cast<float>(rows) * 1.34f) / 768.0f;
|
|
this->uiScaleY = static_cast<float>(rows) / 730.0f;
|
|
heightScale = height;
|
|
tangent = projectionScale / this->uiScaleY;
|
|
cotangent = projectionScale / this->uiScaleY;
|
|
}
|
|
|
|
RenderProjection RendererViewport::Projection() const {
|
|
return {this->scaleX, this->scaleY, this->centerX, this->centerY};
|
|
}
|