0c1abf8ee8
Batch #16017 by Yommy: 0 byte-identical, 1 confirmed by peer review. - fn_06966 ScreenAngle: logic confirmed by peer review Peer-reviewed-by: ragnarok-clanker, alisonrag, bgamez23 Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
#include "Contents/Effects/EZ2STREffectEx.h"
|
|
|
|
#include "Contents/Effects/EffectMemoryMgr.h"
|
|
#include "Render/Renderer.h"
|
|
#include "Utility/Math/AffineMatrix.h"
|
|
|
|
#include <cmath>
|
|
|
|
// OFFSET: 0x006FF480
|
|
// FUNCTION: fn_06962
|
|
CEZ2STREffectEx::CEZ2STREffectEx() : CEffect(-1), emitter(nullptr), timed(0), frameStep(0), alternateRender(0) {
|
|
}
|
|
|
|
// OFFSET: 0x006FF740
|
|
// FUNCTION: fn_06964
|
|
void CEZ2STREffectEx::Close() {
|
|
if (this->emitter) {
|
|
FreeParticle(reinterpret_cast<CParticle*>(this->emitter));
|
|
this->emitter = nullptr;
|
|
}
|
|
}
|
|
|
|
// OFFSET: 0x006FF770
|
|
// FUNCTION: fn_06965
|
|
void CEZ2STREffectEx::EnableTimeLimit() {
|
|
this->timed = 1;
|
|
}
|
|
|
|
// OFFSET: 0x006FF780
|
|
// FUNCTION: fn_06966
|
|
float ScreenAngle(const float* from, const float* to, const float* matrix) {
|
|
float fromX;
|
|
float fromY;
|
|
float fromDepth = 0.0f;
|
|
float toX;
|
|
float toY;
|
|
float toDepth = 0.0f;
|
|
g_renderer->ProjectViewport(from, matrix, &fromX, &fromY, &fromDepth);
|
|
g_renderer->ProjectViewport(to, matrix, &toX, &toY, &toDepth);
|
|
|
|
const float dx = toX - fromX;
|
|
const float dy = toY - fromY;
|
|
const float length = SquareRoot(dy * dy + dx * dx);
|
|
if (length == 0.0f) {
|
|
return 0.0f;
|
|
}
|
|
|
|
float angle = static_cast<float>(std::acos(static_cast<double>(dx / length))) / 3.141592f * 180.0f;
|
|
if (fromY > toY) {
|
|
angle = 360.0f - angle;
|
|
}
|
|
|
|
return angle;
|
|
}
|