425f76d0a4
Batch #13375 by SapitoSucio: 2 byte-identical, 0 confirmed by peer review. - fn_17932 CView::Start: byte-identical - fn_17933 CView::SetAmplitudes: byte-identical Merged automatically: every function is byte-identical to the original.
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
#include "Contents/Camera/Camera.h"
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#include "Contents/Camera/CameraState.h"
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#include "Utility/Math/AffineMatrix.h"
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#include "Utility/Math/ScalarConversion.h"
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#include <cstdlib>
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#include <windows.h>
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#include <timeapi.h>
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namespace {
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// INLINED
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float Jitter(float divisor) {
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const int remainder = std::rand() % 5;
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const int selected = remainder >= 0 ? remainder : 0;
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return static_cast<float>(selected - 2) / divisor;
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}
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}
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// OFFSET: 0x00ADCAC0
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// FUNCTION: fn_17932
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void CView::Start(int enabled, unsigned duration, float horizontal, float distance, float pitch) {
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this->shake.enabled = enabled;
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const unsigned time = timeGetTime();
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this->shake.distance = distance;
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this->shake.start = time;
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this->shake.horizontal = horizontal;
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this->shake.pitch = pitch;
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switch (duration) {
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case 0:
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this->shake.duration = 650;
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break;
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case 1:
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this->shake.duration = 200;
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break;
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default:
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this->shake.duration = duration;
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break;
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}
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}
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// OFFSET: 0x00ADCB30
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// FUNCTION: fn_17933
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void CView::SetAmplitudes(float horizontal, float distance, float pitch) {
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this->shake.horizontal = horizontal;
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this->shake.pitch = pitch;
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this->shake.distance = distance;
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}
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// OFFSET: 0x00ADC7A0
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// FUNCTION: fn_17931
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void CView::Apply(CameraState& camera, int& frameLatch) {
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if (!this->shake.enabled) {
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return;
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}
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if (timeGetTime() >= this->shake.start + this->shake.duration) {
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camera.target[0] = camera.desiredTarget[0];
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camera.target[1] = camera.desiredTarget[1];
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camera.target[2] = camera.desiredTarget[2];
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camera.distance = camera.desiredDistance;
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this->shake.enabled = 0;
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camera.pitch = camera.desiredPitch;
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return;
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}
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if (!frameLatch) {
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return;
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}
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frameLatch = 0;
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// GLOBAL: gl_24565
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static float horizontal = this->shake.horizontal;
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const float horizontalX = Jitter(10.0f) + horizontal;
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const int yawX = TruncateToInt(camera.yaw);
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const float x = static_cast<float>(static_cast<double>(ClientCosine(yawX)) * horizontalX);
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camera.target[0] = x + camera.target[0];
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const float horizontalZ = Jitter(10.0f) + horizontal;
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const int yawZ = TruncateToInt(camera.yaw);
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const float sine = -ClientSine(yawZ);
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horizontal = -horizontal;
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camera.target[2] = horizontalZ * sine + camera.target[2];
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// GLOBAL: gl_24566
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static float distance = this->shake.distance;
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const float distanceDelta = Jitter(10.0f) + distance;
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distance = -distance;
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camera.distance = distanceDelta + camera.distance;
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// GLOBAL: gl_24567
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static float pitch = this->shake.pitch;
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const float pitchDelta = Jitter(15.0f) + pitch;
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pitch = -pitch;
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camera.pitch = pitchDelta + camera.pitch;
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}
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