e51133debe
Batch #16042 by Yommy: 0 byte-identical, 2 confirmed by peer review. - fn_17931 CView::Apply: logic confirmed by peer review - fn_17927 CView::Update: logic confirmed by peer review Peer-reviewed-by: eAthena, alisonrag Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
88 lines
2.4 KiB
C++
88 lines
2.4 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 <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() {
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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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this->camera.target[0] = this->camera.desiredTarget[0];
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this->camera.target[1] = this->camera.desiredTarget[1];
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this->camera.target[2] = this->camera.desiredTarget[2];
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this->camera.distance = this->camera.desiredDistance;
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this->shake.enabled = 0;
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this->camera.pitch = this->camera.desiredPitch;
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return;
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}
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if (!g_worldViewDrawn) {
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return;
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}
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g_worldViewDrawn = 0;
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// GLOBAL: gl_24565
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static float horizontal = this->shake.horizontal;
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this->camera.target[0] += (Jitter(10.0f) + horizontal) * ClientCosine(static_cast<int>(this->camera.yaw));
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const float offsetZ = (Jitter(10.0f) + horizontal) * -ClientSine(static_cast<int>(this->camera.yaw));
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horizontal = -horizontal;
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this->camera.target[2] += offsetZ;
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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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this->camera.distance = distanceDelta + this->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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this->camera.pitch = pitchDelta + this->camera.pitch;
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}
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